CN102022594B - Hoop, pipeline conveyer device and concrete pump truck - Google Patents
Hoop, pipeline conveyer device and concrete pump truck Download PDFInfo
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- CN102022594B CN102022594B CN 200910169093 CN200910169093A CN102022594B CN 102022594 B CN102022594 B CN 102022594B CN 200910169093 CN200910169093 CN 200910169093 CN 200910169093 A CN200910169093 A CN 200910169093A CN 102022594 B CN102022594 B CN 102022594B
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Abstract
The invention discloses a hoop, wherein two parallel first lug plates (11) are protruded from the front end of one semi-pipe clamp of the hoop; the two first lug plates (11) are both provided with a first pin hole (111) correspondingly arranged along the thickness direction thereof; second lug plates (21) are protruded from the front end of the other semi-pipe clamp of the hoop; the second lug plates (21) are provided with a second pin hole (211) correspondingly arranged along the thickness direction thereof; the hoop further comprises a wedge pin (3) having a conical degree less than a self-locking angle thereof; and when the two semi-pipe clamps are matched mutually, the wedge pin (3) is pressed into the first pin hole (111) and the second pin hole (211) which are staggered, so as to tightly combine the two semi-pipe clamps. The hoop is convenient to assemble and disassemble and the work reliability thereof is high. The invention also discloses a pipeline conveyer device and a concrete pump truck having the same.
Description
Technical field
The present invention relates to the pipeline connection technology field, particularly a kind of anchor ear; The invention still further relates to a kind of pipeline transporter that utilizes above-mentioned anchor ear to connect delivery pipe; The invention still further relates to the concrete mixer that comprises above-mentioned pipeline transporter.
Background technique
Concrete mixer is a kind of common engineering mechanical device, is widely used in various the realm of building construction.Concrete mixer is provided with interconnective delivery pipe, and through the delivery pipe of end concrete is exported.
Concrete mixer is after pump concrete finishes; Need the residual concrete in the cleaning concrete delivery pipe, the delivery pipe at some position needs regular dismounting to safeguard, for easy to maintenance; The anchor ear that requirement is used to connect delivery pipe must be convenient to dismounting, and reliable operation.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the structural representation of a kind of typical bolt jointing type anchor ear in the existing technology; Fig. 2 is the structural representation of another kind of typical bolt jointing type anchor ear in the existing technology; Fig. 3 is the structural representation of a kind of typical handle screw fastening type anchor ear in the existing technology.
In the regular use occasion of safeguarding dismounting of needs, the shortcoming of bolt jointing type anchor ear illustrated in figures 1 and 2 is following:
When dismounting is safeguarded, need make swing handle with spanner or suitable round steel anchor ear is taken apart, when concrete splashes down on anchor ear, dismounting will more be wasted time and energy, and will be extremely inconvenient; On the other hand, above-mentioned anchor ear is that bolt connects because of what adopt, thereby has the possibility of threading off, and functional reliability is low.
The shortcoming of handle screw fastening type anchor ear shown in Figure 3 is following:
Said handle screw fastening type anchor ear, higher to the processing request of the part that cooperatively interacts, when delivery pipe and anchor ear Spielpassung, anchor ear is installed not tight, has loosening possibility of rotating, thereby has influenced the reliability of work; When interference cooperates when excessive, anchor ear difficult installation, handle playback or open the difficulty that becomes, waste time and energy.
In sum, how providing a kind of and can make that dismounting is easy to maintenance between each delivery pipe, and connect reliable anchor ear, is the technical problem that solution is needed in the present technique field badly.
Summary of the invention
The technical problem that the present invention will solve provides a kind of anchor ear, and the installation and removal of this anchor ear are more convenient, and functional reliability is high; Another technical problem that will solve of the present invention provides a kind of pipeline transporter that utilizes above-mentioned anchor ear to connect delivery pipe; Another technical problem that will solve of the present invention is that a kind of concrete mixer that comprises above-mentioned pipeline transporter is provided.
Anchor ear provided by the present invention is used to connect two sections delivery pipes, comprises two semicanal cards that are hinged; In two said semicanal cards, one front end is protruding with two first otic placodes that laterally arrange, and another person's front end is protruding with second otic placode; Two said first otic placodes all have along corresponding first pin-and-hole that is provided with of its thickness direction, and said second otic placode has second pin-and-hole that is provided with along its thickness direction; Said anchor ear comprises that also tapering is less than its wedge pin from the locking angle; When two said semicanal cards cooperate; Said second otic placode inserts between two said first otic placodes; And two said first pin-and-holes and said second pin-and-hole shift to install, and said wedge pin is arranged in two said first pin-and-holes and said second pin-and-hole, so that lock two said semicanal cards;
Said wedge pin has two oblique locking faces that are oppositely arranged; In two said oblique locking faces, the hole wall of one and two said first pin-and-holes is fitted and is compressed, and the hole wall of another person and said second pin-and-hole is fitted and compressed.
Preferably, said wedge pin has the oblique locking face that straight locking face reaches and said straight locking face is oppositely arranged; In said straight locking face and the said oblique locking face, the hole wall of one and two said first pin-and-holes is fitted and is compressed, and the hole wall of another person and said second pin-and-hole is fitted and compressed.
Preferably, the hole wall of said straight locking face and two said first pin-and-holes is fitted and is compressed, and the hole wall of said oblique locking face and said second pin-and-hole is fitted and compressed.
Preferably, the direction convergent that the hole wall of said second pin-and-hole inserts along said wedge pin, the angle of convergent equals the tapering of said wedge pin substantially.
Preferably, the direction convergent that the hole wall of said second pin-and-hole and two said first pin-and-holes inserts along said wedge pin, the angle of convergent equals the tapering of said wedge pin substantially.
Preferably, the front end of said wedge pin is provided with positioning hole, is inserted with dismountable locating stud in the positioning hole.
Preferably, said anchor ear further comprises connecting rope, and the terminal part of said wedge pin is through said connecting rope and said semicanal card connection.
In addition, for solving the problems of the technologies described above, the present invention also provides a kind of pipeline transporter, connects through above-mentioned each described anchor ear between two sections delivery pipes of said pipeline transporter.
Moreover for solving the problems of the technologies described above, the present invention also provides a kind of concrete mixer, comprises above-mentioned each described pipeline transporter.
Anchor ear provided by the present invention is used to connect two sections delivery pipes on the basis of existing technology, comprises two semicanal cards that are hinged; In two said semicanal cards, one front end is protruding with two first otic placodes that laterally arrange, and another person's front end is protruding with second otic placode; Two said first otic placodes all have along corresponding first pin-and-hole that is provided with of its thickness direction, and said second otic placode has second pin-and-hole that is provided with along its thickness direction; Said anchor ear comprises that also tapering is less than its wedge pin from the locking angle; When two said semicanal cards cooperate; Said second otic placode inserts between two said first otic placodes; And two said first pin-and-holes and said second pin-and-hole shift to install, and said wedge pin is arranged in two said first pin-and-holes and said second pin-and-hole, thereby lock said two semicanal cards.
When said anchor ear and delivery pipe are installed; In wedge pin two first pin-and-holes of preliminary insertion and second pin-and-hole; And knock wedge pin with tup or other weights, make wedge pin constantly in two first pin-and-holes and second pin-and-hole, advance, thereby realized the installation of anchor ear easily.Because first pin-and-hole and second pin-and-hole shift to install; And wedge pin has tapering; Thereby two end faces of wedge pin push the hole wall of first pin-and-hole and the hole wall of second pin-and-hole respectively, produce to make two semicanal cards close tight active force each other, thereby make the matching gap between anchor ear and the delivery pipe dwindle gradually; And make the fitting surface between the delivery pipe be adjacent to gradually, and then improved the reliability of anchor ear work.In addition and since the tapering of wedge pin less than it from the locking angle, thereby wedge pin is difficult to from first pin-and-hole and second pin-and-hole, skid off.
When needs are dismantled said anchor ear, use tup or other weights to knock wedge pin in the other direction, at this moment, wedge pin can skid off from two first pin-and-holes and second pin-and-hole at an easy rate, thereby, realized the dismounting of anchor ear too easily.
In sum, the installation and removal of anchor ear provided by the present invention are more convenient, and functional reliability is high.
Description of drawings
Fig. 1 is the structural representation of a kind of typical bolt jointing type anchor ear in the existing technology;
Fig. 2 is the structural representation of another kind of typical bolt jointing type anchor ear in the existing technology;
Fig. 3 is the structural representation of a kind of typical handle screw fastening type anchor ear in the existing technology;
Fig. 4 is that the axle of anchor ear is surveyed schematic representation in an embodiment of the present invention;
Fig. 5 is the schematic top plan view of anchor ear in an embodiment of the present invention;
Connection schematic representation in Fig. 6 an embodiment of the present invention between the delivery pipe of pipeline transporter.
Embodiment
Core of the present invention provides a kind of anchor ear, and the installation and removal of this anchor ear are more convenient, and functional reliability is high; Another core of the present invention provides a kind of pipeline transporter that utilizes above-mentioned anchor ear to connect delivery pipe; Another core of the present invention is that a kind of concrete mixer that comprises above-mentioned pipeline transporter is provided.
In order to make those skilled in the art understand technological scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is that the axle of anchor ear is surveyed schematic representation in an embodiment of the present invention; Fig. 5 is the schematic top plan view of anchor ear in an embodiment of the present invention.
In first kind of embodiment, anchor ear provided by the present invention is used to connect two sections delivery pipes 6; Comprise two semicanal cards that are hinged; The convenience of describing for hereinafter can be with two said semicanal cards called after first semicanal cards 1 respectively, and the second semicanal card 2 hinged with the first semicanal card 1; The front end of the first semicanal card 1 is protruding with two 11, two first otic placodes 11 of first otic placode that laterally arrange all to have along corresponding first pin-and-hole 111 that is provided with of its thickness direction; The front end of the second semicanal card 2 is protruding with second otic placode, 21, the second otic placodes 21 and has second pin-and-hole 211 that is provided with along its thickness direction; Anchor ear comprises that also tapering is less than its wedge pin 3 from the locking angle; When the first semicanal card 1 and the second semicanal card 2 cooperated, wedge pin 3 was pressed in two first pin-and-holes 111 and second pin-and-hole 211 of mutual dislocation, thereby closes the tight first semicanal card 1 and the second semicanal card 2.
The front end of the front end of the first semicanal card 1 and the second semicanal card 2 in the epimere is meant the position that the first semicanal card 1 and the second semicanal card 2 are connected through wedge pin 3, thereby corresponding with said front end, the first semicanal card 1 and the second semicanal card 2 are hinged endways.
In the epimere, the tapering of wedge pin 3, the hole wall that is meant wedge pin 3 and above-mentioned first pin-and-hole 111 or second pin-and-hole 211 fit and the axis of the plane that compresses and first pin-and-hole 111 or second pin-and-hole 211 between angle.As shown in Figure 5, said tapering is the angle between the axis of oblique locking face 32 and first pin-and-hole 111 or second pin-and-hole 211, that is tiltedly locking face 32 and the angle between the locking face 31 directly.
When said anchor ear and delivery pipe 6 are installed; With wedge pin 3 preliminary insertions in two first pin-and-holes 111 and second pin-and-hole 211; And knock wedge pin 3 with tup or other weights; Make wedge pin 3 constantly in two first pin-and-holes 111 and second pin-and-hole 211, advance, thereby realized the installation of anchor ear easily.Because first pin-and-hole 111 and second pin-and-hole 211 shift to install; And wedge pin 3 has tapering; Thereby two end faces of wedge pin 3 push the hole wall of first pin-and-hole 111 and the hole wall of second pin-and-hole 211 respectively, produce to make win semicanal card 1 and the second semicanal card 2 close tight active force each other, thereby make the matching gap between anchor ear and the delivery pipe 6 dwindle gradually; And make the fitting surface between the delivery pipe 6 be adjacent to gradually, and then improved the reliability of anchor ear work.In addition and since the tapering of wedge pin 3 less than it from the locking angle, thereby wedge pin 3 is difficult to from first pin-and-hole 111 and second pin-and-hole 211, skid off.
When needs are dismantled said anchor ear, use tup or other weights to knock wedge pin 3 in the other direction, at this moment, wedge pin 3 can skid off from first pin-and-hole 111 and second pin-and-hole 211 at an easy rate, thereby, realized the dismounting of anchor ear too easily.
In sum, the installation and removal of anchor ear provided by the present invention are more convenient, and functional reliability is high.
Please refer to Fig. 5, in above-mentioned first kind of embodiment, the wedge pin 3 of said anchor ear has straight locking face 31, and the oblique locking face 32 that is oppositely arranged with straight locking face 31, the tapering of oblique locking face 32 less than wedge pin 3 from the locking angle; In straight locking face 31 and the said oblique locking face 32, the hole wall of one and first pin-and-hole 111 is fitted and is also compressed, and the hole wall of another person and second pin-and-hole 211 also compresses.
Certainly, 31 replacement of the straight locking face in the technique scheme are oblique locking face 32, promptly anchor ear has two oblique locking faces 32 that are oppositely arranged, and also can realize goal of the invention this moment.On this basis, the direction convergent of the hole wall of second pin-and-hole 211 and two first pin-and-holes 111 along wedge pin 3 insertions can be set further, the angle of convergent equals the tapering of wedge pin 3 substantially.
In the epimere, the tapering of wedge pin 3 is the angle between the axis of a locking face 32 and first pin-and-hole 111 or second pin-and-hole 211, and is not two angles between the oblique locking face 32.
This improved procedure can reduce wedge pin 3 effectively through first pin-and-hole 111 and the suffered resistance of second pin-and-hole 211, and then is convenient to the knocking in two holes of wedge pin 3.
It is pointed out that at first pin-and-hole 111 and second pin-and-hole 211 during that straight locking face 31 and oblique locking face 32 are meant straight arc shaped surface and oblique arc shaped surface for oblate hole; Certainly, when first pin-and-hole 111 and second pin-and-hole 211 were rectangular opening, correspondingly, straight locking face 31 was straight plane and tapered plane with oblique locking face 32.
When knocking wedge pin two first pin-and-holes 111 of 3 entering and second pin-and-hole 211 (knocking direction shown in arrow among Fig. 5); The straight locking face 31 that can wedge pin 3 and the hole wall of second pin-and-hole 211 are fitted, and push the hole wall of second pin-and-hole 211 gradually along with progressing into of wedge pin 3; Simultaneously, the oblique locking face 32 of wedge pin 3 and the hole wall of two first pin-and-holes 111 are fitted, and push the hole wall of two first pin-and-holes 111 gradually along with progressing into of wedge pin 3.
When upset wedge pin 3; And when getting into two first pin-and-holes 111 and second pin-and-hole 211 (knocking direction shown in arrow among Fig. 5); As shown in Figure 5; The straight locking face 31 of wedge pin 3 and the hole wall of two first pin-and-holes 111 are fitted, and push the hole wall (direction of power is shown in two equidirectional arrows among Fig. 5) of two first pin-and-holes 111 gradually along with progressing into of wedge pin 3; Simultaneously, the hole wall of the oblique locking face 32 of wedge pin 3 and second pin-and-hole 211 is fitted, and pushes the hole wall (direction of power is shown in single arrow among Fig. 5) of second pin-and-hole 211 gradually along with progressing into of wedge pin 3.
Obviously, the mode of entrance of above-mentioned second kind of wedge pin 3 can realize that wedge pin 3 gets into two first pin-and-holes 111 and second pin-and-hole 211 in more convenient and quicker ground.
When the hole wall of the oblique locking face 32 of wedge pin 3 and second pin-and-hole 211 is fitted, can do further to improve to the hole wall of second pin-and-hole 211.Particularly, the direction convergent that the hole wall of second pin-and-hole 211 inserts along wedge pin 3, the angle of convergent equals the tapering of wedge pin 3.Obviously, this improved procedure can reduce wedge pin 3 effectively through the suffered resistance of second pin-and-hole 211, and then is convenient to the knocking in the hole of wedge pin 3.
Please refer to Fig. 5, on above-mentioned any embodiment's basis, can do further improvement.
Particularly, the front end of wedge pin 3 is provided with positioning hole 33, is inserted with dismountable locating stud (not shown) in the positioning hole 33, so that stop wedge pin 3 from first pin-and-hole 111 and said second pin-and-hole 211, to skid off.
After wedge pin 3 inserted first pin-and-holes 111 and fixes with second pin-and-hole 211, at this moment, positioning hole 33 was in the position near first otic placode 11, locating stud is inserted in the positioning hole 33, thereby prevent that wedge pin 3 receives external force and from the hole, skids off in the course of the work.
Please refer to Fig. 5, on above-mentioned any embodiment's basis, can also do further improvement.
Particularly, said anchor ear further comprises connecting rope 4, and the terminal part of wedge pin 3 is connected with the first semicanal card 1 or the second semicanal card 2 through connecting rope 4.Specifically, connecting rope 4 can be connected with the relevant position of second otic placode 21 of first otic placode 11 of the first semicanal card 1 or the second semicanal card 2, and to this, this specification does not limit.
Connecting rope 4 can be flexible steel cable, certainly can also be for the rope of other types, and to this, this specification does not limit.
Obviously, connecting rope 4 can effectively prevent to lose in the using process wedge pin 3.
In addition, the present invention also provides a kind of pipeline transporter, connects through the anchor ear among above-mentioned any embodiment between two sections delivery pipes 6 of said pipeline transporter.
Please refer to Fig. 6, the connection schematic representation in Fig. 6 an embodiment of the present invention between the delivery pipe of pipeline transporter.
In above-mentioned pipeline transporter, can be between the delivery pipe 6 through 5 sealings of O shape circle.Obviously, this structural design can improve the sealability between the delivery pipe 6 effectively.
Moreover the present invention also provides a kind of concrete pumping car, and said concrete mixer comprises the described pipeline transporter of the foregoing description, and other parts of concrete pumping car can be with reference to existing technology, and this paper no longer launches.
More than anchor ear provided by the present invention, pipeline transporter and concrete mixer have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. an anchor ear is used to connect two sections delivery pipes, comprises two semicanal cards that are hinged; It is characterized in that in two said semicanal cards, one front end is protruding with two first otic placodes (11) that laterally arrange, another person's front end is protruding with second otic placode (21); Two said first otic placodes (11) all have along corresponding first pin-and-hole (111) that is provided with of its thickness direction, and said second otic placode (21) has second pin-and-hole (211) that is provided with along its thickness direction; Said anchor ear comprises that also tapering is less than its wedge pin from the locking angle (3); When two said semicanal cards cooperate; Said second otic placode (21) inserts between two said first otic placodes (11); And two said first pin-and-holes (111) and said second pin-and-hole (211) shift to install; Said wedge pin (3) is arranged in two said first pin-and-holes (111) and said second pin-and-hole (211), so that lock two said semicanal cards;
Said wedge pin (3) has two oblique locking faces that are oppositely arranged; In two said oblique locking faces, the hole wall of one and two said first pin-and-holes (111) is fitted and is compressed, and the hole wall of another person and said second pin-and-hole (211) is fitted and compressed.
2. anchor ear as claimed in claim 1 is characterized in that, the oblique locking face (32) that said wedge pin (3) has straight locking face (31) and is oppositely arranged with said straight locking face (31); In said straight locking face (31) and the said oblique locking face (32), the hole wall of one and two said first pin-and-holes (111) is fitted and is compressed, and the hole wall of another person and said second pin-and-hole (211) is fitted and compressed.
3. anchor ear as claimed in claim 2 is characterized in that, said straight locking face (31) is fitted with the hole wall of two said first pin-and-holes (111) and compressed, and said oblique locking face (32) is fitted with the hole wall of said second pin-and-hole (211) and compressed.
4. anchor ear as claimed in claim 3 is characterized in that, the direction convergent that the hole wall of said second pin-and-hole (211) inserts along said wedge pin (3), and the angle of convergent equals the tapering of said wedge pin (3) substantially.
5. anchor ear as claimed in claim 1 is characterized in that, the direction convergent that the hole wall of said second pin-and-hole (211) and two said first pin-and-holes (111) inserts along said wedge pin (3), and the angle of convergent equals the tapering of said wedge pin (3) substantially.
6. like each described anchor ear of claim 1 to 5, it is characterized in that the front end of said wedge pin (3) is provided with positioning hole (33), positioning hole is inserted with dismountable locating stud in (33).
7. like each described anchor ear of claim 1 to 5, it is characterized in that said anchor ear further comprises connecting rope (4), the terminal part of said wedge pin (3) is through said connecting rope (4) and said semicanal card connection.
8. a pipeline transporter is characterized in that, connects through each described anchor ear of claim 1 to 7 between two sections delivery pipes (6) of said pipeline transporter.
9. a concrete mixer is characterized in that, comprises the described pipeline transporter of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910169093 CN102022594B (en) | 2009-09-21 | 2009-09-21 | Hoop, pipeline conveyer device and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910169093 CN102022594B (en) | 2009-09-21 | 2009-09-21 | Hoop, pipeline conveyer device and concrete pump truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102022594A CN102022594A (en) | 2011-04-20 |
| CN102022594B true CN102022594B (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910169093 Active CN102022594B (en) | 2009-09-21 | 2009-09-21 | Hoop, pipeline conveyer device and concrete pump truck |
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| CN (1) | CN102022594B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401202B (en) * | 2011-11-02 | 2013-05-08 | 中联重科股份有限公司 | Pipe clamp and connecting structure of fluid conveying pipeline |
| CN103447770B (en) * | 2013-09-06 | 2016-03-09 | 中联重科股份有限公司 | Manufacture the method for pipe clamp, pipe clamp and pipeline |
| CN103526943B (en) * | 2013-09-24 | 2016-06-22 | 三一汽车制造有限公司 | A kind of hinge elbow connecting device and concrete pumping equipment |
| CN113216638B (en) * | 2021-04-16 | 2022-06-03 | 湖南响箭重工科技股份有限公司 | Conveying pipe device, pumping system and pump truck |
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| KR20050081711A (en) * | 2004-02-16 | 2005-08-19 | 주식회사 케이티 | Joint structure for perforated pipe |
| CN2895953Y (en) * | 2006-03-22 | 2007-05-02 | 申涛 | Two-way positioning pipe dog |
| CN201250505Y (en) * | 2008-08-27 | 2009-06-03 | 何勇 | Steel tube scaffold edging rotary fastener |
| CN201507736U (en) * | 2009-09-21 | 2010-06-16 | 徐州重型机械有限公司 | Anchor ear, pipeline conveying device and concrete pump truck |
| CN201757230U (en) * | 2010-02-02 | 2011-03-09 | 李寿山 | Apparatus for connecting tubes |
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- 2009-09-21 CN CN 200910169093 patent/CN102022594B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050081711A (en) * | 2004-02-16 | 2005-08-19 | 주식회사 케이티 | Joint structure for perforated pipe |
| CN2895953Y (en) * | 2006-03-22 | 2007-05-02 | 申涛 | Two-way positioning pipe dog |
| CN201250505Y (en) * | 2008-08-27 | 2009-06-03 | 何勇 | Steel tube scaffold edging rotary fastener |
| CN201507736U (en) * | 2009-09-21 | 2010-06-16 | 徐州重型机械有限公司 | Anchor ear, pipeline conveying device and concrete pump truck |
| CN201757230U (en) * | 2010-02-02 | 2011-03-09 | 李寿山 | Apparatus for connecting tubes |
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| CN102022594A (en) | 2011-04-20 |
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Owner name: XUZHOU XUGONG SCHWING MACHINERY CO., LTD. Free format text: FORMER OWNER: BUILDING MACHINERY CO., LTD., XCMG CONSTRUCTION MACHINERY CO., LTD. Effective date: 20130513 |
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Effective date of registration: 20130513 Address after: 221004 No. 29, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu, Xuzhou Patentee after: XCMG Schwing Machinery Co., Ltd. Address before: 221004 No. 19 Peach Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee before: Building Machinery Co., Ltd., XCMG Construction Machinery Co., Ltd. |