CN202131779U - Engineering machinery with trailer - Google Patents
Engineering machinery with trailer Download PDFInfo
- Publication number
- CN202131779U CN202131779U CN201120223048U CN201120223048U CN202131779U CN 202131779 U CN202131779 U CN 202131779U CN 201120223048 U CN201120223048 U CN 201120223048U CN 201120223048 U CN201120223048 U CN 201120223048U CN 202131779 U CN202131779 U CN 202131779U
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- chassis
- draw bar
- engineering machinery
- trailer
- vehicle frame
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Abstract
The utility model discloses engineering machinery with a trailer. The engineering machinery comprises a main car (1) and the trailer (2); a traction bar (3) is connected between a frame (11) of the main car (1) and a chassis (21) of the trailer (2), one end of the traction bar (3) is horizontally and rotatably connected with one of the frame (11) and the chassis (2), and the other end of the traction bar (3) is vertically and rotatably connected with the other one of the frame (11) and the chassis (2). When the engineering machinery adopting the structure is climbing, the frame can apply upward oblique force to the chassis, and as the traction bar is closer to the ground, the chassis can be stably stressed compared with a higher stress point in the prior art, thus being capable of avoiding the possibility that wheels of the trailer are raised so as to realize the stable driving of the engineering machinery. Therefore, the engineering machinery adopting the structure can drive stably on all roads, and leads the trailer to be stressed in a balance and stable way, thus enhancing the driving stability and reliability of the engineering machinery.
Description
Technical field
The utility model relates to technical field of engineering machinery, relates in particular to a kind of engineering machinery with trailer.
Background technology
Concrete pumping equipment is a kind of important engineering machinery; Generally comprise running gear, pumping installations and foldable arm rack; Running gear is mainly used in the transfer of concrete pumping equipment work-yard; Pumping installations is used for concrete pump is delivered in the boom of foldable arm rack, the boom through foldable arm rack with transmission and concrete transmission to the height that needs.
At present, along with all kinds of project scales increase gradually, the jib of concrete mixer is also more and more longer, if will be arranged in jib on the chassis, its chassis bridge number will constantly increase, and single jib length also needs constantly lengthening.The increase of chassis bridge number can cause the increase of manufacturing cost and the inconvenience of turning, and the increase of single jib length also can cause the increasing of jib manufacture difficulty and the decline of workmanship.Therefore, the concrete mixer of band trailer arises at the historic moment.
Please refer to Fig. 1, Fig. 1 is the structural representation of the concrete mixer of band trailer in the prior art; Briefly introduce the defective that this concrete mixer exists at work below.
In the prior art, as shown in Figure 1, this concrete mixer comprise main car 1 ' with trailer 2 ', main car 1 ' comprise vehicle frame 11 ' be supported in vehicle frame 11 ' on boom 12 ', boom 12 ' be connected with vehicle frame 11 ' horizontal rotation through turntable; Trailer 2 ' comprise chassis 21 ' be supported in chassis 21 ' on pile up jib 22 ', pile up jib 22 ' be connected with chassis 21 ' horizontal rotation through supporting station, and supporting station can around trailer 2 ' transverse horizontal axis turn round restrictedly; Boom 12 ' with pile up jib 22 ' be connected by connector.
Adopt this structure, on level road, main car 1 ' and trailer 2 ' all steadily walkings; When turning because boom 12 ' with vehicle frame 11 ' be rotatably connected, pile up jib 22 ' with chassis 21 ' be rotatably connected, make winner's car 1 ' and trailer 2 ' also can steadily walk; Yet, when concrete mixer is climbed and since supporting station can around trailer 2 ' transverse horizontal axis can only turn round at certain angle restrictedly; When main car 1 ' reached domatic; Trailer 2 ' still be positioned at slope is during the end, and piles up jib 22 ' when having rotated to horizontal by maximum angle, main car 1 ' through boom 12 ', pile up the pulling force obliquely in jib 22 ' give trailer 2 ' chassis 21 ' apply; Especially when the gradient is big; Can cause trailer 2 ' wheel the trend that upwards starts is arranged, cause the concrete mixer instability of going, brought great potential safety hazard.
Therefore how on the basis of existing technology,, improve the main car and the connected mode of trailer of concrete mixer, make it more can adapt to climb and go, strengthen the stability that it goes, be that those skilled in the art are badly in need of the technical problem that solves at present.
The utility model content
The technical problem that the utility model will solve is that a kind of engineering machinery with trailer is provided, its can adapt to well the climbing go, strengthened the stability that engineering machinery is gone.
For solving the problems of the technologies described above, the utility model provides a kind of engineering machinery with trailer, comprises main car and trailer; Be connected with draw bar between the vehicle frame of said main car and the chassis of said trailer, said draw bar one end and said vehicle frame, the said chassis horizontal rotations in the two are connected, and its other end vertically turns round with another person in the two and is connected.
Preferably, said draw bar one end is provided with the first vertical through hole, and the other end is provided with second through hole of level; One hinged in said first through hole, hinged in said second through hole in the two of said draw bar and said vehicle frame, said chassis with another person.
Preferably, on the said vehicle frame, on the said chassis respectively horizontal rotation be connected with first jib, second jib; In the transportation, said first jib is connected with the said second jib horizontal rotation, and said second jib vertically turns round with said chassis and is connected.
Preferably, the parts on hinged said draw bar and said vehicle frame, said draw bar and said chassis are bearing pin, and two said bearing pins are plugged in respectively in said first through hole, said second through hole, and said bearing pin two ends are provided with limiting component.
Preferably, said limiting component comprises the block of being located at said bearing pin one end, and said block cross section is greater than the cross section of said first through hole, second through hole; Also comprise the catch of being located at said its other end of bearing pin, said catch is removably connected to said draw bar, and blocks said bearing pin.
Preferably, the pars intermedia of said draw bar is a hollow stem.
Preferably, said hollow stem is a cylindrical bar.
Preferably; Said draw bar one end is provided with first connecting shaft of horizontal cross; Its other end is provided with the second vertical connecting shaft, hinged through said first connecting shaft, hinged through said second connecting shaft with another person in the two of said draw bar and said vehicle frame, said chassis.
Preferably, said draw bar all is connected through the ball-joint structure with said chassis with said vehicle frame, said draw bar.
Preferably, above-mentioned engineering machinery is specially concrete mixer.
The engineering machinery of the band trailer that the utility model provides is connected with draw bar between the vehicle frame of its main car and the chassis of trailer, and draw bar one end and vehicle frame, the chassis horizontal rotations in the two are connected, and its other end vertically turns round with another person in the two and is connected.
Adopt this structure, when engineering machinery was gone on level road, main car and trailer be steadily walking all; Running into when turning because draw bar one end is connected with horizontal rotations in vehicle frame, the chassis, can realize vehicle frame and chassis in the horizontal direction angle change greatly or diminish, make the engineering machinery smooth-ride in the turning; Running into when climbing, be connected because the draw bar other end vertically turns round with another person in vehicle frame, the chassis, the change that can realize vehicle frame and chassis in the vertical direction angle greatly or diminish; Even when the main car of engineering machinery has reached domaticly, trailer still is positioned at the slope during end, and promptly the angle between vehicle frame and the chassis changes when big; Vehicle frame can apply a power obliquely to the chassis; Because draw bar is nearer apart from ground, compares stress point higher in the prior art, can make the chassis steadily stressed; The possibility that can avoid the wheel of trailer upwards to start realizes the smooth-ride of engineering machinery.
This shows, adopt the engineering machinery of said structure, it can smooth-ride on different kinds of roads, and makes the trailer stress equalization stable, has strengthened stability and reliability that engineering machinery is gone.
In the concrete embodiment of another kind, above-mentioned draw bar can be provided with the first vertical through hole for an end, and the other end is provided with second through hole of level; One hinged in first through hole, hinged in second through hole in the two of draw bar and vehicle frame, chassis with another person.Adopt the draw bar of this spline structure,, can realize and being rotationally connected of above-mentioned vehicle frame, chassis through in first through hole, second through hole, hinge member being set; And characteristics simple in structure, convenient processing and manufacture that the draw bar of this structure has.
Description of drawings
Fig. 1 is the structural representation of the concrete mixer of band trailer in the prior art;
Fig. 2 is the structural representation of a kind of specific embodiment of engineering machinery that the utility model provides;
Fig. 3 is the perspective view of a kind of specific embodiment of the draw bar among Fig. 2;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the front view of Fig. 3;
Fig. 6 is the front view of the another kind of specific embodiment of the draw bar among Fig. 2;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the front view of the third specific embodiment of the draw bar among Fig. 2;
Fig. 9 is the vertical view of Fig. 8.
Wherein, Reference numeral among Fig. 1 and the corresponding relation between the component names are: 1 ' main car; 11 ' vehicle frame; 12 ' boom; 2 ' trailer; 21 ' chassis; 22 ' pile up jib;
Reference numeral and the corresponding relation between the component names among Fig. 2 to Fig. 9 are:
1 main car; 11 vehicle frames; 12 first jibs; 2 trailers; 21 chassis; 22 second jibs; 3 draw bars; 31 first through holes; 32 second through holes; 33 first connecting shafts; 34 second connecting shafts.
The specific embodiment
The core of the utility model is that a kind of engineering machinery with trailer is provided, and connects between the main car of this project machinery and the trailer steadily, and it can adapt to climbing well and goes, and has strengthened the stability that engineering machinery is gone.
In order to make those skilled in the art understand the technical scheme of the utility model better, be example below with the concrete mixer, in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify.
Please refer to Fig. 2, Fig. 2 is the structural representation of a kind of specific embodiment of engineering machinery that the utility model provides.
In a kind of concrete embodiment, the engineering machinery that the utility model provided is a big machinery, and it comprises main car 1 and trailer 2; The support component of main car 1 is a vehicle frame 11; The support component of trailer 2 is chassis 21; Be connected with draw bar 3 between vehicle frame 11 and the chassis 21, these draw bar 3 one ends and vehicle frame 11, chassis 21 horizontal rotations in the two are connected, and its other end vertically turns round with another person in the two and is connected.
Adopt this structure, when engineering machinery is gone on level road, main car 1 and all steadily walkings of trailer 2; Running into when turning because draw bar 3 one ends are connected with horizontal rotations in vehicle frame 11, the chassis 21, can realize vehicle frame 11 and chassis 21 in the horizontal direction angle change greatly or diminish, make the engineering machinery smooth-ride in the turning; Running into when climbing, be connected because draw bar 3 other ends vertically turn round with another person in vehicle frame 11, the chassis 21, the change that can realize vehicle frame 11 and chassis 21 in the vertical direction angles greatly or diminish; Even when the main car 1 of engineering machinery has reached domaticly, trailer 2 still is positioned at the slope during end, when promptly the angle between vehicle frame 11 and the chassis 21 changes greatly; Vehicle frame 11 applies a power obliquely can for chassis 21; Because draw bar 3 is nearer apart from ground, compares stress point higher in the prior art, can make chassis 21 steadily stressed; The possibility that can avoid the wheel of trailer 2 upwards to start realizes the smooth-ride of engineering machinery.
This shows, adopt the engineering machinery of said structure, it can smooth-ride on different kinds of roads, and makes trailer 2 stress equalizations stable, has strengthened stability and reliability that engineering machinery is gone.
Need to prove; Do not limit the specific constructive form of draw bar 3 in the above-mentioned specific embodiment; Which the end horizontal rotation that does not also limit draw bar 3 connects, which end vertically turns round connection, and the engineering machinery that every vehicle frame 11 and chassis 21 are connected through above-mentioned draw bar 3 is all in the protection domain of the utility model.
Especially, the noun of locality that occurs among this paper " preceding " refers to the direction of being pointed to main car 1 by trailer 2, i.e. dextrosinistral direction in the accompanying drawing 2; " back " refers to the direction of being pointed to trailer 2 by main car 1, i.e. from left to right direction in the accompanying drawing 2; " laterally " refers to the horizontal direction perpendicular to the length direction of engineering machinery; It is the direction in the accompanying drawing 2 perpendicular to paper; Should be appreciated that these nouns of locality are that benchmark is set up with the Figure of description, its appearance should not influence the protection domain of the utility model.
The specific constructive form of above-mentioned draw bar 3 can also further be set.
Please refer to Fig. 3, Fig. 4 and Fig. 5, Fig. 3 is the perspective view of a kind of specific embodiment of the draw bar 3 among Fig. 2; Fig. 4 is the vertical view of Fig. 3; Fig. 5 is the front view of Fig. 3.
In the concrete embodiment of another kind, above-mentioned draw bar 3 can be provided with the first vertical through hole 31 for an end, and the other end is provided with second through hole 32 of level; One hinged at first through hole, 31 places, hinged at second through hole, 32 places in the two of draw bar 3 and vehicle frame 11, chassis 21 with another person.
Adopt the draw bar 3 of this spline structure,, can realize and being rotationally connected of above-mentioned vehicle frame 11, chassis 21 through in first through hole 31, second through hole 32, hinge member being set; And the draw bar 3 of this structure has characteristics simple in structure, convenient processing and manufacture.Here; Do not limit draw bar 3 with which person's horizontal rotation in vehicle frame 11, the chassis 21 is connected, which person vertically turns round connection; In fact, this draw bar 3 can front end be connected with vehicle frame 11 horizontal rotations, rear end and chassis 21 vertically revolution is connected, certain; Also can adopt the opposite configuration form, the user can select as required voluntarily.
Certainly, the specific constructive form of above-mentioned draw bar 3 is not limited to said structure, and please in the lump with reference to figure 6 and Fig. 7, Fig. 6 is the front view of the another kind of specific embodiment of the draw bar among Fig. 2; Fig. 7 is the vertical view of Fig. 6.
As shown in the figure; This draw bar 3 can also be established first connecting shaft 33 of horizontal cross for an end; Its other end is established the structure of the second vertical connecting shaft 34, hinged, hinged through second connecting shaft 34 with another person through first connecting shaft 33 in the two of draw bar 3 and vehicle frame 11, chassis 21.
Adopt this form of structure; First connecting shaft 33 at draw bar 3 two ends has served as the jointed shaft that is connected with vehicle frame 11, chassis 21 respectively with second connecting shaft 34; Like this; After on vehicle frame 11, the chassis 21 corresponding pore structure being set, can realize being rotationally connected of draw bar 3 and above-mentioned vehicle frame 11, chassis 21.This jointed shaft is integrated in the structure on the draw bar 3, makes engineering machinery when installation and removal, need not the jointed shaft that provides independent, have characteristics such as structure is integrated, convenient and swift and step is simple.
Certainly, the above-mentioned specific embodiment does not limit the specific constructive form of first connecting shaft 33 and second connecting shaft 34 yet, please refer to Fig. 8 and shown in Figure 9, and Fig. 8 is the front view of the third specific embodiment of the draw bar among Fig. 2; Fig. 9 is the vertical view of Fig. 8.As shown in the figure, first connecting shaft 33 and second connecting shaft 34 can be symmetrically set in the both sides of draw bar 3 main bodys respectively, have symmetrical configuration like this, make vehicle frame 11, chassis 21 stress equalizations; Can also be with first connecting shaft 33; Second connecting shaft 34 is provided with a side of draw bar 3 main bodys, and such structure can realize equally and vehicle frame 11, chassis 21 hinged, and has the characteristics of convenient processing and manufacture.
Except that above-mentioned two kinds of specific embodiment; Above-mentioned draw bar 3 can also adopt other structures; For example draw bar 3 can all be connected through the ball-joint structure with chassis 21 with vehicle frame 11, draw bar 3, and like this, vehicle frame 11 all constitutes spherical pair with draw bar 3, chassis 21 with draw bar 3; Promptly further increased the flexibility that connects between main car 1 and the trailer 2, made that engineering machinery can be in all steadily walkings of various road conditions.
The concrete connected mode of above-mentioned main car 1, trailer 2 miscellaneous parts can also further be set.
At the concrete embodiment of another kind, on the above-mentioned vehicle frame 11, be respectively equipped with first jib 12, second jib 22 on the chassis 21, horizontal rotation is connected with first jib 12, second jib 22; In transportation, first jib 12 is connected with second jib, 22 horizontal rotations, and second jib 22 is connected with chassis 21 vertical revolutions.
On the basis that connects above-mentioned draw bar 3 between vehicle frame 11 and the chassis 21, adopt such structure, when engineering machinery when relatively poor road conditions such as turning, climbing are gone; Because first jib 12 is connected with second jib, 22 horizontal rotations, can adapt to the road conditions of turning, because vertically turning round with chassis 21, second jib 22 is connected; Make engineering machinery can adapt to the road conditions of climbing; This shows that first jib 12 further turns round with second jib 22 and is connected, and is identical with draw bar 3 effects; Can coordinate the connection between vehicle frame 11 and the chassis 21; Make trailer 2 the chassis 21 upper and lower 2 all receive pulling force, further strengthen the connective stability of main car 1 and trailer 2, make that engineering machinery can be in various complex road condition smooth-rides.
The hinge member on above-mentioned draw bar 3 and vehicle frame 11, chassis 21 can also further be set.
In the concrete embodiment of another kind, free drawbar 3 can be bearing pin with vehicle frame 11, draw bar 3 with the parts on chassis 21, and two bearing pins are plugged in respectively in first through hole 31, second through hole 32, and the bearing pin two ends are provided with limiting component.Through the hinged mode of bearing pin, be common articulated manner, can make draw bar 3 convenient with the installation and removal on vehicle frame 11, chassis 21, make draw bar 3 have characteristics simple in structure, easy to process.
Particularly, above-mentioned limiting component can comprise the block of being located at bearing pin one end, and this block cross section is greater than the cross section of first through hole 31, second through hole 32; Also comprise the catch of being located at its other end of bearing pin, catch is removably connected to draw bar 3, and blocks bearing pin.Adopt the limiting component of an end block, an end catch, can limit bearing pin along its axial displacement, avoid bearing pin from first through hole 31 of draw bar 3 or second through hole 32, to break away from, this limiting component has characteristics simple in structure, easy to use.Certainly, limiting component is not limited to said structure, can also adopt the form of two above-mentioned catch, promptly after bearing pin is plugged in the through hole of draw bar 3, at the two ends of draw bar 3 above-mentioned catch is installed respectively, is used to block the axial displacement of bearing pin.
Need to prove that above-mentioned hinge member also is not limited to bearing pin, can also adopt other form of structure; For example can adopt studs; The optical axis length at this studs middle part is greater than the axial length of first through hole 31, second through hole 32, studs is plugged in first through hole 31, second through hole 32 of draw bar 3, screws in the nut of radius greater than first through hole 31, second through hole 32 at its two ends; Like this; Vehicle frame 11, draw bar 3 and chassis 21 are hinged through the optical axis part in the studs, and the nut at studs two ends plays the effect of limiting component, prevent that studs breaks away from from the through hole of draw bar 3.
The specific constructive form of above-mentioned draw bar 3 can also further be set.
In the concrete embodiment of another kind, the pars intermedia of above-mentioned draw bar 3 can be hollow stem.Adopt such structure, make draw bar 3 when accomplishing above-mentioned hinged function, also have the characteristics of lighter weight, make its installation and removal lighter, further saved the cost of production of draw bar 3.Certainly, it is hollow that above-mentioned draw bar 3 is not limited to the middle part, can also be solid draw bar 3.
In the scheme, above-mentioned hollow stem can be cylindrical bar further, can also be rectangular body rod certainly, and for example the cross section is foursquare rectangular body rod, and perhaps the cross section is rectangular rectangular body rod, and the user can select according to self needs flexibly.
Particularly, above-mentioned engineering machinery can be specially concrete mixer.Need to prove; This paper only is that example has been explained the technique effect that engineering machinery had that adopts above-mentioned draw bar 3 with the concrete mixer; In fact, said structure does not limit the use of in concrete mixer, and is applicable to any engineering machinery that comprises main car 1 and trailer 2.
More than a kind of engineering machinery with trailer that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. the engineering machinery with trailer comprises main car (1) and trailer (2); It is characterized in that; Be connected with draw bar (3) between the vehicle frame (11) of said main car (1) and the chassis (21) of said trailer (2); Said draw bar (3) one ends and said vehicle frame (11), said chassis (21) horizontal rotations in the two are connected, and its other end vertically turns round with another person in the two and is connected.
2. engineering machinery according to claim 1 is characterized in that, said draw bar (3) one ends are provided with vertical first through hole (31), and the other end is provided with second through hole (32) of level; Said draw bar (3) and said vehicle frame (11), said chassis (21) one in the two located hinged at said first through hole (31), locate hinged with another person at said second through hole (32).
3. engineering machinery according to claim 2 is characterized in that, said vehicle frame (11) is gone up, on said chassis (21) respectively horizontal rotation be connected with first jib (12), second jib (22); In the transportation, said first jib (12) is connected with said second jib (22) horizontal rotation, and said second jib (22) is connected with said chassis (21) vertical revolution.
4. engineering machinery according to claim 2; It is characterized in that; Hinged said draw bar (3) is bearing pin with said vehicle frame (11), said draw bar (3) with the parts on said chassis (21); Two said bearing pins are plugged in respectively in said first through hole (31), said second through hole (32), and said bearing pin two ends are provided with limiting component.
5. engineering machinery according to claim 4 is characterized in that, said limiting component comprises the block of being located at said bearing pin one end, and said block cross section is greater than the cross section of said first through hole (31), second through hole (32); Also comprise the catch of being located at said its other end of bearing pin, said catch is removably connected to said draw bar (3), and blocks said bearing pin.
6. engineering machinery according to claim 2 is characterized in that, the pars intermedia of said draw bar (3) is a hollow stem.
7. engineering machinery according to claim 6 is characterized in that, said hollow stem is a cylindrical bar.
8. engineering machinery according to claim 1; It is characterized in that; Said draw bar (3) one ends are provided with first connecting shaft (33) of horizontal cross; Its other end is provided with vertical second connecting shaft (34), and hinged through said first connecting shaft (33) in the two of said draw bar (3) and said vehicle frame (11), said chassis (21) is hinged through said second connecting shaft (34) with another person.
9. engineering machinery according to claim 1 is characterized in that, said draw bar (3) all is connected through the ball-joint structure with said chassis (21) with said vehicle frame (11), said draw bar (3).
10. according to each described engineering machinery of claim 1-9, it is characterized in that, be specially concrete mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120223048U CN202131779U (en) | 2011-06-28 | 2011-06-28 | Engineering machinery with trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120223048U CN202131779U (en) | 2011-06-28 | 2011-06-28 | Engineering machinery with trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202131779U true CN202131779U (en) | 2012-02-01 |
Family
ID=45520552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120223048U Expired - Fee Related CN202131779U (en) | 2011-06-28 | 2011-06-28 | Engineering machinery with trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202131779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963872A (en) * | 2014-04-30 | 2014-08-06 | 中联重科股份有限公司 | Trailer and engineering machine with same |
-
2011
- 2011-06-28 CN CN201120223048U patent/CN202131779U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963872A (en) * | 2014-04-30 | 2014-08-06 | 中联重科股份有限公司 | Trailer and engineering machine with same |
| CN103963872B (en) * | 2014-04-30 | 2016-03-23 | 中联重科股份有限公司 | Trailer and comprise the construction machinery and equipment of this trailer |
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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: 20130507 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130507 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: Sanyi Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |