CN202689570U - Concrete distributing device and concrete pump truck - Google Patents
Concrete distributing device and concrete pump truck Download PDFInfo
- Publication number
- CN202689570U CN202689570U CN 201220357183 CN201220357183U CN202689570U CN 202689570 U CN202689570 U CN 202689570U CN 201220357183 CN201220357183 CN 201220357183 CN 201220357183 U CN201220357183 U CN 201220357183U CN 202689570 U CN202689570 U CN 202689570U
- Authority
- CN
- China
- Prior art keywords
- retainer ring
- side plate
- stay pipe
- jib
- flange
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a concrete distributing device and a concrete pump truck. The concrete distributing device comprises a first supporting pipe (1), a delivery pipe (2) and a cantilever crane (3), wherein the delivery pipe (2) is fixedly connected with a first end of the first supporting pipe (1); and a second end of the first supporting pipe (1) is fixedly connected with the cantilever crane (3) through a bolt. According to the concrete distributing device, side plates of the cantilever crane are free of welding; in the use process of the concrete distributing device, the cantilever crane is not easy to suffer from fatigue cracking, so that the durability of the cantilever crane of the concrete pump truck can be improved; and moreover, compared with a welding manner, the adopted bolt connection manner facilitates the demounting and replacement of the supporting pipe for fixing the delivery pipe.
Description
Technical field
The utility model relates to the concreting machinery field, particularly relates to a kind of concrete distributing device and concrete mixer.
Background technology
Concrete mixer is by pumping system concrete conveyance to be arrived concrete distributing device, with the machinery of realizing that concrete continuous is carried.It can significantly improve the flexibility of concrete conveyance, improves the efficient of concreting operation.Include elephant trunk in the distribution device of concrete mixer, carrier pipe is fixed on the jib by stay pipe.In the prior art, the stay pipe for fixed ducts generally is the side plate that is fixed on jib by the mode of welding.
Yet, will make the stress of welding place become concentrated in the side plate welding of jib, reduce the load ability of welding place, in use, easily cause fatigue cracking, affect the application life of jib; Simultaneously, this welding manner causes the dismounting and all comparatively inconvenience of replacing of the stay pipe of fixed ducts.
The utility model content
The utility model provides a kind of concrete distributing device and concrete mixer, to improve the durability of concrete pump truck arm, makes simultaneously the stay pipe of fixed ducts be convenient to dismounting and change.For this reason, the utility model embodiment adopts following technical scheme:
A kind of concrete distributing device comprises the first stay pipe, carrier pipe and jib, wherein:
Carrier pipe is fixedly connected with the first end of the first stay pipe;
The second end and the jib of the first stay pipe are bolted to connection.
Preferably,
Also comprise the second stay pipe;
The second end of the first stay pipe, the first end of the second stay pipe and the second end are respectively arranged with flange;
The flange of the first stay pipe the second end is arranged at the outside of the first side plate of jib, the flange of the second stay pipe first end is arranged at the inboard of the first side plate of jib, and the flange of the first stay pipe the second end, flange and first side plate of the second stay pipe first end are bolted to connection;
The flange of the second stay pipe the second end and the second side plate of jib are bolted to connection.
Preferably,
Be provided with installing hole on the second side plate of jib, the radius of installing hole is greater than the radius of the second stay pipe first end flange, less than the radius of the second stay pipe the second end flanges;
The flange of the first end of the second stay pipe passes the inboard that installing hole is positioned over jib the first side plate, and the flange of the second stay pipe the second end is bolted in the outside of the second side plate.
Preferably, be used for fixing the head of screw of bolt of the flange of flange, the second stay pipe first end of the first stay pipe the second end and the first side plate and the flange welding of the second stay pipe first end.
Preferably, the inboard of the second side plate is provided with pad, and the flange of pad, the second side plate and the second stay pipe the second end is bolted to connection, and the head of screw and pad welding.
Preferably,
Be respectively equipped with the first installing hole and the second installing hole on the first side plate of jib, the second side plate;
The axial two ends of the first installing hole are respectively arranged with the first outer retainer ring and the first interior retainer ring, and the axial two ends of the second installing hole are respectively arranged with the second outer retainer ring and the second interior retainer ring;
The second end of the first stay pipe passes the first outer retainer ring, the first installing hole, the first interior retainer ring, the second interior retainer ring, the second installing hole, the second outer retainer ring successively;
The first outer retainer ring, the first side plate and the first interior retainer ring are bolted to connection, and the second interior retainer ring, the second side plate, the second outer retainer ring are bolted to connection;
The first stay pipe is fixedly connected with in the first outer retainer ring, the first interior retainer ring, the second interior retainer ring, the second outer retainer ring at least one.
Preferably,
The first side plate of jib and the second side plate are by forming along the superstructure that separates on the length direction of jib and substructure;
The bottom of the superstructure of the first side plate is provided with mounting groove on first, and the top of the substructure of the first side plate is provided with mounting groove first time, and mounting groove and first time mounting groove consist of the first installing hole on first;
The bottom of the superstructure of the second side plate is provided with mounting groove on second, and the top of the substructure of the second side plate is provided with mounting groove second time, and mounting groove and second time mounting groove consist of the second installing hole on second.
Preferably, be used for to connect the nut-welding of bolt of the first outer retainer ring, the first side plate and the first interior retainer ring at the first interior retainer ring;
Be used for to connect the nut-welding of bolt of the second interior retainer ring, the second side plate, the second outer retainer ring at the second interior retainer ring.
Preferably, the material of jib is aluminium alloys.
A kind of concrete mixer comprises aforesaid concrete distributing device.
Compared with prior art, the concrete distributing device that the utility model embodiment provides comprises the first stay pipe, carrier pipe and jib, wherein, carrier pipe is fixedly connected with the first end of the first stay pipe, and the second end and the jib of the first stay pipe are bolted to connection.By this structure, need not to weld at the side plate of jib, in the process of using, jib is not prone to fatigue cracking, can improve the durability of concrete pump truck arm, and, with respect to the mode of welding, adopt the connected mode of bolt can make the stay pipe of fixed ducts be convenient to dismounting and change.
Description of drawings
The elevation of the concrete distributing device structure that Fig. 1 provides for a kind of embodiment of the utility model;
The top view of the concrete distributing device structure that Fig. 2 provides for a kind of embodiment of the utility model;
Fig. 3 is the A-A sectional drawing of Fig. 1;
The elevation of the concrete distributing device structure that Fig. 4 provides for another embodiment of the utility model;
The top view of the concrete distributing device structure that Fig. 5 provides for another embodiment of the utility model;
The stereogram of the concrete distributing device structure that Fig. 6 provides for another embodiment of the utility model.
Marginal data
1, the first stay pipe 2, carrier pipe
3, jib 31, top board
32, base plate 33, the first side plate
34, the second side plate 4, the second stay pipe
5, installing hole 6, pad
71, the first outer retainer ring 72, the first interior retainer ring
73, the second outer retainer ring 74, the second interior retainer ring
8, bent plate 9, U-bolt
The specific embodiment
For specifying the technical solution of the utility model and effect, below in conjunction with specific embodiments and the drawings the utility model is done detailed description.
The utility model embodiment provides a kind of concrete distributing device, comprises the first stay pipe 1, carrier pipe 2 and jib 3, and wherein: carrier pipe 2 is fixedly connected with the first end of the first stay pipe 1; The second end and the jib 3 of the first stay pipe 1 are bolted to connection.The first stay pipe 1 is preferably steel cylindrical tube.Wherein, jib 3 comprises top board 31, base plate 32, the first side plate 33 and the second side plate 34.The first end that can adopt bent plate 8 and U-bolt 9 to fix carrier pipe 2, the first stay pipes 1 is fixed with bent plate 8, and carrier pipe 2 is fixed on the bent plate 8 by U-bolt 9.The one side that bent plate 8 protrudes can be fixed on the first end of the first stay pipe 1, the two ends of bent plate 8 are provided with bolt hole, and the two ends of U-bolt 9 are fixed in two bolts hole by nut respectively, thereby U-bolt 9 can be fixed on carrier pipe 2 on the bent plate 8.
The first stay pipe 1 and jib 3 adopt the fixing structure of bolt, need not to weld at the side plate of jib, the corresponding load ability that also can not reduce the jib side plate, in the process of using, jib is not prone to fatigue cracking, thereby can improve the durability of concrete pump truck arm, and, with respect to the mode of welding, adopt the structure of the connection of bolt can make the stay pipe of fixed ducts be convenient to dismounting and change.
Preferably, the material of jib 3 can be aluminium alloys.The material of jib 3 adopts aluminium alloys, can alleviate the weight of jib.
The below has provided respectively the instantiation of two kind of first stay pipe 1 and jib 3 syndetons:
Structure one
Shown in Fig. 1, Fig. 2, Fig. 3 (Fig. 3 is the A-A cross section view of Fig. 1), the syndeton of the first stay pipe 1 and jib 3 can be specially: also comprise the second stay pipe 4; The second end of the first stay pipe 1, the first end of the second stay pipe 4 and the second end are respectively arranged with flange; The flange of the first stay pipe 1 second end is arranged at the outside of the first side plate 33 of jib 3, the flange of the second stay pipe 4 first ends is arranged at the inboard of the first side plate 33 of jib 3, and flange and first side plate 33 of the flange of the first stay pipe 1 second end, the second stay pipe 4 first ends are bolted to connection; The flange of the second stay pipe 4 second ends and the second side plate 34 of jib 3 are bolted to connection.The second stay pipe 4 is preferably cylindrical tube.
Position corresponding on the flange of the flange of the first stay pipe 1 second end and the second stay pipe 4 first ends is provided with bolt hole, the position of corresponding erection bolt at the first side plate 33 also is provided with bolt hole, thereby, can the first stay pipe 1 and the second stay pipe 4 be fixed on by bolt the both sides of the first side plate 33.In addition, flange and second side plate 34 of the second stay pipe 4 second ends also can be bolted to connection, and can bolt hole be set at flange and second side plate 34 of the second stay pipe 4 second ends, are used for erection bolt.By the setting of the second stay pipe 4, can increase the intensity of jib 3 and the first stay pipe 1 fixed point, prevent deformation.
Concrete, being provided with installing hole 5 on the second side plate 34 of jib 3, the radius of installing hole 5 is greater than the radius of the second stay pipe 4 first end flanges, less than the radius of the second stay pipe 4 second end flanges; The flange of the second stay pipe 4 first ends passes installing hole 5, is bolted in the inboard of the first side plate 33, and the flange of the second stay pipe 4 second ends is bolted in the outside of the second side plate 34.
The length of the second stay pipe 4 equals the distance between the first side plate 33 and the second side plate 34, thereby when the flange of the second stay pipe 4 first ends was fixed on the first side plate 33 inboard, the flange of the second stay pipe 4 second ends can contact with the outside of the second side plate 34.Position that can (around the installing hole 5) is corresponding on the flange of the second stay pipe 4 second ends and the second side plate 34 arranges bolt hole, is used for erection bolt.By the setting of installing hole 5, can install more easily and fix the second stay pipe 4 and the first stay pipe 1.
Concrete, be used for fixing the flange of flange, the second stay pipe 4 first ends of the first stay pipe 1 second end and the first side plate 33 bolt screw head can with the flange welding of the second stay pipe 4 first ends.In addition, the inboard of the second side plate 34 can be provided with pad 6, and the flange of pad 6, the second side plate 34 and the second stay pipe 4 second ends is bolted to connection, and the head of screw and pad 6 welding.Wherein, the shape of pad 6 can be circular arc, can adopt two pads 6 to be separately positioned on the excircle of installing hole.Can make the second stay pipe 4 be connected ground with the second side plate 34 by pad 6 more fastening.The second stay pipe 4 is installed to the interior rear flank of jib 3 first side plates 33 by installing hole 5, the space of jib 3 inside is closed, and is not easy to carry out fastening to bolt.And the head of the screw of bolt is welded on the flange of the second stay pipe 4 first ends, when placing the second stay pipe 4, screw is passed from corresponding bolt hole, and screw reaches the outside of the first side plate 33 by bolt hole, thereby it is fastening to use easily nut to carry out.In like manner, the head of the screw of bolt is welded on the pad 6, screw is passed bolt hole on the second side plate 34 from inside to outside, and pad is sticked on the inboard of the second side plate 34, after the second stay pipe 4 is in place, screw reaches the outside of the second side plate 34 by bolt hole, thereby it is fastening to use easily nut to carry out.
Based on this structure, the installation procedure of the first stay pipe 1, the second stay pipe 4 and jib 3 can comprise the steps:
Structure two
Such as Fig. 4, Fig. 5, shown in Figure 6, the syndeton of the first stay pipe 1 and jib 3 can be specially: be respectively equipped with the first installing hole and the second installing hole on the first side plate 33 of jib 3, the second side plate 34; The axial two ends that the axial two ends of the first installing hole are respectively arranged with the first outer retainer ring 71 and the first interior retainer ring 72, the second installing holes are respectively arranged with the second outer retainer ring 73 and the second interior retainer ring 74; The second end of the first stay pipe 1 passes the first outer retainer ring 71, the first installing hole, the first interior retainer ring 72, the second interior retainer ring 74, the second installing hole, the second outer retainer ring 73 successively; The first outer retainer ring 71, the first side plate 33 and the first interior retainer ring 72 are bolted to connection, and the second interior retainer ring 74, the second side plate 34, the second outer retainer ring 73 are bolted to connection; The first stay pipe 1 is fixedly connected with in the first outer retainer ring 71, the first interior retainer ring 72, the second interior retainer ring 74, the second outer retainer ring 73 at least one.On the first side plate 33 of jib 3 and the second side plate 34, all establish installing hole, make the first stay pipe 1 can pass jib 3, be equipped with retainer ring in the interior outside of the first side plate 33 and the second side plate 34, can make the bolt at two installing hole places connect more fastening; A retainer ring is all established in the outside in each installing hole, makes that any is fixedly connected with the first stay pipe 1 in 4 retainer rings, can make the first stay pipe 1 axial restraint; Such structure can increase jib 3 and the intensity that the first stay pipe 1 is connected, and prevents deformation.
Preferably, the first side plate 33 of jib 3 and the second side plate 34 are by forming along the superstructure that separates on the length direction of jib 3 and substructure; The bottom of the superstructure of the first side plate 33 is provided with mounting groove on first, and the top of the substructure of the first side plate 33 is provided with mounting groove first time, and mounting groove and first time mounting groove consist of the first installing hole on first; The bottom of the superstructure of the second side plate 34 is provided with mounting groove on second, and the top of the substructure of the second side plate 34 is provided with mounting groove second time, and mounting groove and second time mounting groove consist of the second installing hole on second.The biside plate of jib 3 forms by superstructure and substructure, can be so that the installation of the inside and outside retainer ring of installing hole.
Wherein, mounting groove can be semicircle, and the first stay pipe 1 can be for cylindrical, and the radius of mounting groove can equal the radius of the first stay pipe 1.Two bolts hole can be set in the edge of each mounting groove, and corresponding on the first outer retainer ring 71 and the first interior retainer ring 72 and on the second interior retainer ring 74 and the second outer retainer ring 73 four bolts hole are set, two bolts hole are corresponding with bolt hole on the superstructure in four bolts hole, and two bolts hole are corresponding with bolt hole on the substructure.The first stay pipe 1 can with the first outer retainer ring 71, the first interior retainer ring 72, the second outer retainer ring 73 and the 4th interior retainer ring 74 in any welding.The first outer retainer ring 71, the first interior retainer ring 72, the second interior retainer ring 74 and the second outer retainer ring 73 are preferably annular, and the radius of the interior ring of the retainer ring that can intert for the first stay pipe 1 on it can be identical with the radius of the first stay pipe 1.
Preferably, be used for to connect the nut-welding of bolt of the first outer retainer ring 71, the first side plate 33 and the first interior retainer ring 72 at the first interior retainer ring 72; Be used for to connect the nut-welding of bolt of the second interior retainer ring 74, the second side plate 34, the second outer retainer ring 73 at the second interior retainer ring 74.After the superstructure of two side plates of jib 3 and substructure put together, the enclose inside of jib 3, may bring inconvenience to fastening bolt, nut is welded on the first interior retainer ring 72 and the second interior retainer ring 74 in advance, can easily screw be screwed into from jib 3 outsides carry out the nut fastening.
Based on this structure, the installation procedure of the first stay pipe 1, jib 3 can comprise the steps:
The utility model embodiment also provides a kind of concrete mixer, comprises aforesaid concrete distributing device.
Among the utility model embodiment, concrete distributing device comprises the first stay pipe, carrier pipe and jib, and wherein, carrier pipe is fixedly connected with the first end of the first stay pipe, and the second end and the jib of the first stay pipe are bolted to connection.By this structure, need not to weld at the side plate of jib, in the process of using, jib is not prone to fatigue cracking, can improve the durability of concrete pump truck arm, and, with respect to the mode of welding, adopt the connected mode of bolt can make the stay pipe of fixed ducts be convenient to dismounting and change.
The above only is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.
Claims (10)
1.
A kind of concrete distributing device is characterized in that, comprises the first stay pipe (1), carrier pipe (2) and jib (3), wherein:
Carrier pipe (2) is fixedly connected with the first end of the first stay pipe (1);
The second end of the first stay pipe (1) and jib (3) are bolted to connection.
2.
Concrete distributing device as claimed in claim 1 is characterized in that,
Also comprise the second stay pipe (4);
First end and second end of the second end of the first stay pipe (1), the second stay pipe (4) are respectively arranged with flange;
The flange of the first stay pipe (1) second end is arranged at the outside of first side plate (33) of jib (3), the flange of the second stay pipe (4) first end is arranged at the inboard of first side plate (33) of jib (3), and flange and first side plate (33) of the flange of the first stay pipe (1) second end, the second stay pipe (4) first end are bolted to connection;
The flange of the second stay pipe (4) second ends and second side plate (34) of jib (3) are bolted to connection.
3.
Concrete distributing device as claimed in claim 2 is characterized in that,
Be provided with installing hole (5) on second side plate (34) of jib (3), the radius of installing hole (5) is greater than the radius of the second stay pipe (4) first end flange, less than the radius of the second stay pipe (4) second end flanges;
The flange of the first end of the second stay pipe (4) passes the inboard that installing hole (5) is positioned over jib (3) first side plates (33), and the flange of the second stay pipe (4) second ends is bolted in the outside of the second side plate (34).
4.
Concrete distributing device as claimed in claim 3 is characterized in that,
Be used for fixing the head of screw of bolt of the flange of flange, the second stay pipe (4) first end of the first stay pipe (1) second end and the first side plate (33) and the flange welding of the second stay pipe (4) first end.
5.
Concrete distributing device as claimed in claim 3 is characterized in that,
The inboard of the second side plate (34) is provided with pad (6), and the flange of pad (6), the second side plate (34) and the second stay pipe (4) second ends is bolted to connection, and the head of screw and pad (6) welding.
6.
Concrete distributing device as claimed in claim 1 is characterized in that,
Be respectively equipped with the first installing hole and the second installing hole on first side plate (33) of jib (3), the second side plate (34);
The axial two ends of the first installing hole are respectively arranged with the first outer retainer ring (71) and the first interior retainer ring (72), and the axial two ends of the second installing hole are respectively arranged with the second outer retainer ring (73) and the second interior retainer ring (74);
The second end of the first stay pipe (1) passes the first outer retainer ring (71), the first installing hole, the first interior retainer ring (72), the second interior retainer ring (74), the second installing hole, the second outer retainer ring (73) successively;
The first outer retainer ring (71), the first side plate (33) and the first interior retainer ring (72) are bolted to connection, and the second interior retainer ring (74), the second side plate (34), the second outer retainer ring (73) are bolted to connection;
The first stay pipe (1) is fixedly connected with in the first outer retainer ring (71), the first interior retainer ring (72), the second interior retainer ring (74), the second outer retainer ring (73) at least one.
7.
Concrete distributing device as claimed in claim 6 is characterized in that,
First side plate (33) of jib (3) and the second side plate (34) are by forming along the superstructure that separates on the length direction of jib (3) and substructure;
The bottom of the superstructure of the first side plate (33) is provided with mounting groove on first, and the top of the substructure of the first side plate (33) is provided with mounting groove first time, and mounting groove and first time mounting groove consist of the first installing hole on first;
The bottom of the superstructure of the second side plate (34) is provided with mounting groove on second, and the top of the substructure of the second side plate (34) is provided with mounting groove second time, and mounting groove and second time mounting groove consist of the second installing hole on second.
8.
Concrete distributing device according to claim 7 is characterized in that, be used for to connect the nut-welding of bolt of the first outer retainer ring (71), the first side plate (33) and the first interior retainer ring (72) at the first interior retainer ring (72);
Be used for to connect the nut-welding of bolt of the second interior retainer ring (74), the second side plate (34), the second outer retainer ring (73) at the second interior retainer ring (74).
9.
Such as each described concrete distributing device of claim 1-8, it is characterized in that, the material of jib (3) is aluminium alloys.
10.
A kind of concrete mixer is characterized in that, comprises each described concrete distributing device such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357183 CN202689570U (en) | 2012-07-23 | 2012-07-23 | Concrete distributing device and concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357183 CN202689570U (en) | 2012-07-23 | 2012-07-23 | Concrete distributing device and concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202689570U true CN202689570U (en) | 2013-01-23 |
Family
ID=47545205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220357183 Expired - Lifetime CN202689570U (en) | 2012-07-23 | 2012-07-23 | Concrete distributing device and concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202689570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019193016A1 (en) * | 2018-04-04 | 2019-10-10 | Putzmeister Engineering Gmbh | Boom arm with inner pipe holder screw connection |
| DE102019111496B3 (en) * | 2019-05-03 | 2020-09-17 | Putzmeister Engineering Gmbh | Extension arm with holding element passed through |
-
2012
- 2012-07-23 CN CN 201220357183 patent/CN202689570U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019193016A1 (en) * | 2018-04-04 | 2019-10-10 | Putzmeister Engineering Gmbh | Boom arm with inner pipe holder screw connection |
| DE102019111496B3 (en) * | 2019-05-03 | 2020-09-17 | Putzmeister Engineering Gmbh | Extension arm with holding element passed through |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1856644B (en) | Method of conducting service on a wind turbine using equipment mounted on the hub | |
| CN202689570U (en) | Concrete distributing device and concrete pump truck | |
| CN201626397U (en) | Compact gas reservoir support device | |
| CN201504056U (en) | Cable pay-off rack | |
| CN102040165A (en) | Temporary supporting piece for installation of ropeway of cabling machine | |
| CN201259021Y (en) | Tube supporting rack | |
| CN104098016A (en) | Easy lifting bracket of transformer | |
| CN102633183A (en) | Variable propeller bearing lifting appliance of wind generating set and method thereof | |
| CN203674590U (en) | Stand construction platform | |
| CN211371459U (en) | Supplementary mounting structure of gas pipeline in tunnel | |
| CN203713977U (en) | Axle-free car frame | |
| CN203558720U (en) | Marine crane base | |
| CN102544145A (en) | Solar support and method for preventing solar photovoltaic panel from being stolen | |
| CN203649773U (en) | Opening alignment device for welding of water supply and sewerage steel pipe | |
| CN201071684Y (en) | Sheave wheel platform connected by L shaped bolt | |
| CN202580614U (en) | Mounting bracket for gas tank of vehicle | |
| CN204174940U (en) | The tensioning equipment of steel-structured circular flange high-strength bolt | |
| CN103663133A (en) | Base for marine crane | |
| CN202012084U (en) | Adjustable connection joint of steel support installation | |
| CN102626716A (en) | Roll collar assembling and disassembling clamp | |
| CN103452371A (en) | Integral sleeve suspension chimney | |
| CN211812994U (en) | Double-circular-tube type frame hoisting structure | |
| CN220700891U (en) | Quick detachable centrally-mounted gas cylinder device | |
| CN204978756U (en) | Pipeline tow trucks | |
| CN202527477U (en) | Roll collar assembling and disassembling clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: Sany Automobile Manufacturing Co.,Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: SANY HEAVY INDUSTRY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
|
| CX01 | Expiry of patent term |