CN201874588U - Cement spraying equipment and arm end device thereof - Google Patents
Cement spraying equipment and arm end device thereof Download PDFInfo
- Publication number
- CN201874588U CN201874588U CN2010206155465U CN201020615546U CN201874588U CN 201874588 U CN201874588 U CN 201874588U CN 2010206155465 U CN2010206155465 U CN 2010206155465U CN 201020615546 U CN201020615546 U CN 201020615546U CN 201874588 U CN201874588 U CN 201874588U
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- arm
- arm head
- surrounding baffle
- dashboard
- head device
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Abstract
The utility model discloses an arm end device of cement spraying equipment, which comprises an arm end skeleton (21) and a fender (22), wherein a first side face of the arm end skeleton (21) is connected with a fixed arm; the fender (22) is installed on a second side face (211) of the arm end skeleton; a telescopic arm of the cement spraying equipment penetrates through the arm end skeleton (21); and the fender (22) forms an annular structure, and the shape of the inner edge of the fender is fitted with the shape of the outer contour of the cross section of the telescopic arm. The fender (22) of the arm end device can completely remove concrete on the outer surface of the telescopic arm when the telescopic arm is contracted to the fixed arm after cement spraying; and the problem of abrasion of the telescopic arm can be effectively avoided. The utility model also provides the cement spraying equipment comprising the arm end device.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to the arm head device that a kind of fixed arm that is used for spouting plant is connected with telescopic arm.In addition, the utility model also relates to a kind of spouting plant that comprises above-mentioned arm head device.
Background technology
Spouting plant normally utilize compressed air and hydraulic pump with concrete by being arranged on the jet pipe on the boom device, be ejected on the rock on the tunnel that excavates out or top, tunnel and both sides, and make the concrete rapid solidification, so that the tunnel is played a kind of engineering truck of reliable support action.
Because the working depth of job site is higher, and the car load length of Construction traffic is limited by relevant regulations, therefore, generally the boom device with spouting plant is designed to the extension type jib, utilize the stretching motion of telescopic arm in fixed arm, regulate the job area of whitewashing chassis, thereby reach technological requirement.
Usually, the arm head device that is installed in the fixed arm end rises telescopic arm and supports and interconnect function, guarantees the stabilized contraction of telescopic arm in fixed arm.
The operating environment of spouting plant is generally relatively poor, concrete splashes in the course of work, dirts such as concrete can glue and drop on the telescopic arm surface, telescopic arm must be removed dirt when regaining, in case concrete solidifies between fixed arm and telescopic arm, thereby causes its difficulty and scratch fixed arm when stretching out next time, if and concrete falls in the arm head device, in case solidify then can influence the adjusting device of slide block, and the cleaning difficulty, so the arm head device also need have dust reduction capability.
Please refer to Fig. 1, Fig. 1 is the fixed arm of a kind of typical spouting plant (whitewashing car) in the prior art and the arm head apparatus structure schematic diagram of telescopic arm.
As shown in Figure 1, fixed arm 1 is connected by arm head device 3 with telescopic arm 2, and arm head device 3 comprises inner slide block, arm head skeleton, outer surrounding baffle and is installed in dashboard on the outer surrounding baffle.Peripheral dashboard is installed on the periphery wall of arm head device 3, and is welded into an integral body with arm head skeleton 3.First side and the fixed arm 1 of arm head device 3 weld together, the top of second side, about portion with bolt 4 dashboards are installed respectively.
In the spouting plant course of work, to weld incorporate outer surrounding baffle and can stop that external dust enters arm head skeleton inside, after whitewashing finished, in telescopic arm 2 withdrawal fixed arms 1 process, dashboard scraped off the concrete of telescopic arm 2 end faces and two sides.
Usually, in the whitewashing process, jet pipe must satisfy be subjected to spray plane keep vertical, with technological requirements such as distance, waste because of the concrete that resilience causes with minimizing, so the external surface of telescopic arm 2 all might glue concrete.
But, only be provided with dashboard in the prior art at telescopic arm 2 upper sides and two sides, telescopic arm circular arc place and downside all are not provided with dust guard, concrete is brought into fixed arm 1 inside easily, scratch fixed arm 1, and in order to realize scraping the mud effect, prior art can only be used the harder material of material, easily scratch telescopic arm 2.
Therefore, how improving the structure of arm head device, dashboard is had scrape the mud ability preferably, and be not easy the scratch telescopic arm, is those skilled in the art's problem demanding prompt solutions.
The utility model content
The purpose of this utility model aims to provide a kind of arm head device that is used for spouting plant, is guaranteeing to have on the basis of scraping the mud ability preferably, and the problem of the telescopic arm of can also effectively avoiding wearing and tearing occurs.Another purpose of the present utility model aims to provide a kind of spouting plant that comprises above-mentioned arm head device.
For solving the problems of the technologies described above, the utility model provides a kind of arm head device that is used for spouting plant, comprise arm head skeleton and dashboard, first side of described arm head skeleton is connected and fixed arm, second side connects described dashboard, the telescopic arm of described spouting plant runs through the inside of described arm head skeleton, and described dashboard surrounds circulus, and the outer contour shape of the cross section of the shape of its inner rim and described telescopic arm matches.
Preferably, described dashboard comprises first dashboard, two second dashboards and two the 3rd dashboards, and respectively with the top of second side of described arm head skeleton, about the relevant position of portion, lower left quarter and right lower quadrant be connected; And each dashboard head and the tail connection successively surrounds circulus.
Preferably, described arm head device also comprises two first slide blocks, two second slide blocks; Two described first slide blocks are connected with the both sides of the upper end inwall of described arm head skeleton respectively, two described second slide blocks are connected with the both sides of the interior bottom inwall of described arm head skeleton respectively, and the inner edge of described first slide block and described second slide block all offsets with the external surface of described telescopic arm; And each slide block and arm head skeleton are slidingly connected.
Preferably, described arm head device also comprises the first outer surrounding baffle, the second outer surrounding baffle, the 3rd outer surrounding baffle and surrounding baffle all round; The described first outer surrounding baffle, the described second outer surrounding baffle and the described the 3rd outer surrounding baffle join end to end and are installed on the outer peripheral face of described arm head skeleton; Described all round surrounding baffle be connected with the dashboard lateral surface; Each outer surrounding baffle surrounds box structure.
Preferably, described arm head skeleton be provided with screwed hole, described all round the relevant position of surrounding baffle and described dashboard offer circular hole and slotted hole respectively, bolt pass described slotted hole and corresponding described circular hole with described all round surrounding baffle be installed on the described arm head skeleton.
Preferably, the diameter of described circular hole is greater than the diameter of described screwed hole.
Preferably, described all round surrounding baffle comprise outer surrounding baffle and outer surrounding baffle two parts down.
Preferably, the interior profile that two described the 3rd dashboards surround is consistent with the interior profile of described outer surrounding baffle down, and the former size is less than the latter's size.
The utility model also provides a kind of spouting plant, comprises above-mentioned each described arm head device.
The utility model provides a kind of arm head device that is used for spouting plant, comprise arm head skeleton and dashboard, first side of described arm head skeleton is connected and fixed arm, the telescopic arm of described spouting plant runs through the inside of described arm head skeleton, and the outer contour shape that described dashboard surrounds the cross section of the shape of circulus and its inner rim and described telescopic arm matches.When the gunite work end, telescopic arm shrinks back in the fixed arm internal procedure, and dashboard can be with more comprehensive must the striking off of concrete of telescopic arm surface bonding.
Unlike the prior art be; dashboard of the prior art can only be removed the mud on three sides of telescopic arm; and the dashboard of arm head device provided by the utility model surrounds the whole periphery wall of telescopic arm; in spouting plant work finishes telescopic arm withdrawal process; dashboard can glue the concrete that falls with telescopic arm periphery wall each several part and strike off; thereby protected fixed arm inside not to be scratched and worn and torn, prolonged the application life of each component, and then reduced the use cost of machine.
A kind of preferred embodiment in, described dashboard comprises first dashboard, two second dashboards and two the 3rd dashboards, and be installed in respectively described arm head skeleton near the top of the side of telescopic arm outlet, about the relevant position of portion, lower left quarter and right lower quadrant, described first dashboard, two described second dashboards, two described the 3rd dashboard head and the tail connections successively constitute circulus; This minute body structure of dashboard not only is convenient to processing, and the rigging position between being convenient to regulate relatively, thereby be convenient to regulate the formed inner edge shape in each dashboard assembling back, make the outline of cross section of itself and telescopic arm more identical, help that the telescopic arm periphery wall is concrete to be struck off.
Description of drawings
Fig. 1 is the fixed arm of a kind of typical spouting plant (whitewashing car) in the prior art and the arm head apparatus structure schematic diagram of telescopic arm;
Fig. 2 provides the structural representation of a kind of specific embodiment of arm head device for the utility model;
Fig. 3 is confined explosion's structural representation of arm head device shown in Figure 2;
Fig. 4 is that the installation of dashboard in the arm head device shown in Figure 2 concerns schematic diagram;
Fig. 5 is that the installation of slide block in the arm head device shown in Figure 2 concerns schematic diagram;
Fig. 6 provides the cross-sectional structure schematic diagram of a kind of specific embodiment of telescopic arm for the utility model;
Fig. 7 is that the installation of arm head device shown in Figure 2 China and foreign countries surrounding baffle concerns schematic diagram;
Fig. 8 is the general assembly schematic diagram of spouting plant that the utility model provides.
The specific embodiment
Core of the present utility model aims to provide a kind of arm head device that is used for spouting plant, is guaranteeing to have on the basis of scraping the mud ability preferably, and the problem of the telescopic arm of can also effectively avoiding wearing and tearing occurs.Another core of the present utility model aims to provide a kind of spouting plant that comprises above-mentioned arm head device.
In order to make those skilled in the art person understand the utility model scheme better, this paper is that hexagon is an example with the shape of cross section of telescopic arm, with the specific embodiment the utility model is described in further detail in conjunction with the accompanying drawings.The shape of cross section that should be appreciated that telescopic arm is including, but not limited to hexagonal structure, and the structure example of other shapes such as quadrangle etc. also can satisfy needs of the present utility model.
Please refer to Fig. 2 and Fig. 3, Fig. 2 provides the structural representation of a kind of specific embodiment of arm head device for the utility model; Fig. 3 is confined explosion's structural representation of arm head device shown in Figure 2.
In a kind of specific embodiment, arm head device provided by the utility model, comprise arm head skeleton 21 and dashboard 22, first side of arm head skeleton 21 is connected and fixed arm, arm head skeleton 21 can be fixed by welding manner and fixed arm, the telescopic arm of spouting plant runs through the inside of arm head skeleton 21, and telescopic arm one end is connected and fixed arm inside, and the other end connects the ejecting device that is used for sprayed mortar; 21 pairs of telescopic arms of arm head skeleton play a part to support and guiding.Dashboard 22 is installed on second side 211 of arm head skeleton 21, and the outer contour shape that dashboard 22 surrounds the cross section of the shape of circulus and its inner rim and described telescopic arm matches.
After the spouting plant gunite work finished, telescopic arm shrank back in the process of fixed arm inside, and the dashboard 22 that is installed on the above-mentioned arm head skeleton 21 can strike off the concrete of telescopic arm surface bonding fully.
Unlike the prior art be; dashboard of the prior art can only be removed the concrete on three sides of telescopic arm; and the dashboard 22 of arm head device provided by the utility model surrounds the whole periphery wall of telescopic arm; and the outer contour shape of the cross section of inner edge shape and telescopic arm matches; in whitewashing finishes telescopic arm withdrawal process; dashboard 22 can glue the periphery wall of telescopic arm the concrete that falls and strike off; thereby protected fixed arm inside not to be scratched and worn and torn; prolong the application life of each component, and then reduced the use cost of machine.
Please refer to Fig. 4, Fig. 4 is that the installation of dashboard in the arm head device shown in Figure 2 concerns schematic diagram.
Particularly, dashboard 22 can comprise first dashboard 221, two second dashboards 222 and two the 3rd dashboards 223; First dashboard 221 is installed in the top of second side 211 of arm head skeleton 21, two second dashboards 222 are connected with one about second side 211 respectively, two the 3rd dashboards 223 are connected with the lower left quarter of second side 211 of arm head skeleton 21 and the relevant position of right lower quadrant respectively, and each dashboard head and the tail successively connects, and constitutes circulus.
It is not only easy for removal and installation that dashboard 22 is designed to the branch body structure, be more convenient for regulating the relative position that assembles between each dashboard, thereby make the cross section outline of the inner edge shape of formation and telescopic arm more identical, help concrete striking off on the telescopic arm outer peripheral face more.
Need to prove that above-mentioned cross section refers to the cross section perpendicular to the flexible direction of telescopic arm, below roughly the same.
Usually, also comprise slide block in the arm head device, slide block mainly plays a part to support and guiding to telescopic arm, and can there be form not of the same race the shape of slide block, quantity and the position in arm head skeleton 21, and this paper is that example is introduced in a kind of specific design mode of slide block.Should be appreciated that the form of the utility model slide block shown in herein, the form of the slide block of other identity functions is also in protection domain of the present utility model.
Please refer to Fig. 5 and Fig. 6, Fig. 5 is that the installation of slide block in the arm head device shown in Figure 2 concerns schematic diagram; Fig. 6 provides the cross-sectional structure schematic diagram of a kind of specific embodiment of telescopic arm for the utility model.
In a kind of specific embodiment, the arm head device comprises two first slide blocks 231 and two second slide blocks 232; Two first slide blocks 231 can be installed in the inwall both sides of the upper end of arm head skeleton 21 respectively by bolt, and two second slide blocks can be installed in the inwall both sides of the bottom of described arm head skeleton 21 respectively by bolt; The inner edge of first slide block 231 and second slide block 232 all offsets with the external surface of described telescopic arm, and can regulate corresponding first slide block 231 and second slide block 232 position by the length of regulating set bolt with respect to telescopic arm, make its near or away from the external surface of telescopic arm.
The slide block that is arranged at four ends of arm head skeleton 21 has not only played good support and guide effect to telescopic arm, and its inner rim shape is consistent with telescopic arm contact position shape, the stability of having stretched when having increased telescopic arm work.
Additionally,, both can not be fitted fully, influence the flexible stability of telescopic arm because the rigging error of slide block and the wearing and tearing in the telescopic arm course of work all will produce certain influence to the assembling of slide block and telescopic arm.
Herein first slide block 231 and second slide block 232 are connected on the arm head skeleton 21 by bolt, can adjusting slider near or away from the external surface of telescopic arm, slide block inwall and telescopic arm external surface are fitted, thus flexible stablizing when realizing telescopic arm work.
Further, the arm head device can also comprise outer surrounding baffle, please refer to Fig. 7, and Fig. 7 is that the installation of arm head device shown in Figure 2 China and foreign countries surrounding baffle concerns schematic diagram.
In a kind of specific embodiment, arm head skeleton 21 comprises first outer surrounding baffle 241, second outer surrounding baffle the 242, the 3rd outer surrounding baffle 243 and surrounding baffle 244 all round; First outer surrounding baffle 241, the second outer surrounding baffle 242 and the 3rd outer surrounding baffle 243 join end to end and are installed on the outer peripheral face of arm head skeleton 21; The all round surrounding baffle 244 connect dashboards 22 lateral surfaces; Each outer surrounding baffle surrounds box structure.
On the one hand, with peripheral baffle design is removably, is convenient to the maintenance and the replacing of inner components (for example slide block 23), the working condition of also being convenient to observe arm head skeleton 21 inner slide blocks 23, even be convenient to the position of adjusting slider 23, make telescopic arm be in optimum Working; On the other hand, outer surrounding baffle has strengthened the rigidity of dashboard 22 from outer side compression dashboard 22, thereby make it be difficult for bending and damage, and its material adopts the material softer than telescopic arm, nylon for example, the external surface of unlikely scuffing telescopic arm when telescopic arm moves.
Particularly, dashboard 22 and the mounting means of outer surrounding baffle on arm head skeleton 21 can adopt bolt connecting mode, be provided with screwed hole on second side 211 of arm head skeleton 21 and the outer peripheral face, cooperate the relevant position of the outer surrounding baffle of installing to offer circular hole with arm head skeleton 21, outer surrounding baffle is by being bolted on the arm head skeleton 21, wherein be installed on the dashboard 22 of outer surrounding baffle inboard and be provided with the outside slotted hole of opening, the slotted hole that bolt passes on the dashboard 22 is fixed on the outer surrounding baffle in its outside on the arm head skeleton 21.
Bolt connects is convenient to operation, and design has slotted hole on the dashboard 22, is convenient to regulate the installation site of dashboard, is convenient to install.
Further, bolt and outside can add plain washer between the surrounding baffle, prevent that bolt is because of the rotation in the rundown process with compress and damage outer surrounding baffle.
Wherein, the Circularhole diameter size on each outer surrounding baffle can be slightly larger than the screwed hole size on the arm head skeleton 21, is convenient to installing and fixing of bolt; On the outer surrounding baffle with respect to the fixing double-screw bolt position of slide block 23 circular hole can be set further, the Circularhole diameter size is greater than the maximum size of double-screw bolt end face, the not only installation of convenient outer surrounding baffle, and can increase the fixedly length of the double-screw bolt of slide block 23, increase the regulated quantity of slide block 23 relative telescopic arm external surface distances
Install for the cooperation that further facilitates outer surrounding baffle and dashboard 22, the 3rd outer surrounding baffle 243 that is installed in dashboard 22 outsides can further be designed to separate form, comprises outer surrounding baffle 2431 and following outer surrounding baffle 2432.
The 3rd outer surrounding baffle 243 is designed to the branch body structure, the processing of not only convenient the 3rd outer surrounding baffle 243, and be convenient on circular hole and the corresponding dashboard 22 on the 3rd outer surrounding baffle 243 installing hole cooperate installation, improved installation accuracy.
The interior profile that two the 3rd dashboards 223 surround and the interior profiles of outer surrounding baffle 2432 can be consistent down, and the interior overall size of the 3rd dashboard 223 is less than the size of the interior profile that descends outer surrounding baffle 2432.
It is designed to identical interior contour shape is convenient to determining of dashboard and hole dimension position, outer surrounding baffle cooperation place, convenient processing, and the interior overall size of outer surrounding baffle 2432 is bigger than the interior overall size that two the 3rd dashboards 223 surround down, can conveniently observe down the installation site of outer surrounding baffle 2432, the position under regulating between outer surrounding baffle 2432 and telescopic arm.
Consider attractive in appearance, the factors such as convenience of installing of design outline, with each component in the arm head device, for example dashboard and outer surrounding baffle are designed to the bilateral symmetry form in the various embodiments described above.The shape that it is pointed out that each dashboard and outer surrounding baffle is not limited to description herein, needs only and can realize effect of the present utility model.
Additionally, the nouns of locality such as upper and lower, left and right used herein are to define with component ground relative position in the arm head device among Fig. 2 to Fig. 7, are in order to describe the convenience of embodiment purely.Should be appreciated that the noun of locality that this paper adopts should not limit the protection domain of this patent.
The utility model also provides a kind of spouting plant, comprises fixed arm, connects the telescopic arm of inside of described fixed arm and the arm head device that supports described telescopic arm, and the arm head device of this spouting plant is the arm head device that above-mentioned arbitrary specific embodiment is described.The structure of other each several parts of this spouting plant please refer to prior art, and this paper repeats no more.
More than spouting plant provided by the utility model and arm head device thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.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 (9)
1. the arm head device of a spouting plant, comprise arm head skeleton (21) and dashboard (22), first side of described arm head skeleton (21) is connected and fixed arm, second side (211) connects described dashboard (22), the telescopic arm of described spouting plant runs through the inside of described arm head skeleton (21), it is characterized in that described dashboard (22) surrounds circulus, and the outer contour shape of the cross section of the shape of its inner rim and described telescopic arm matches.
2. the arm head device of spouting plant as claimed in claim 1, it is characterized in that, described dashboard (22) comprises first dashboard (221), two second dashboards (222) and two the 3rd dashboards (223), and respectively with the top of second side (211) of described arm head skeleton (21), about the relevant position of portion, lower left quarter and right lower quadrant be connected; And each dashboard head and the tail connection successively surrounds circulus.
3. the arm head device of spouting plant as claimed in claim 1 is characterized in that, described arm head device also comprises two first slide blocks (231), two second slide blocks (232); Two described first slide blocks (231) are connected with the both sides of the upper end inwall of described arm head skeleton (21) respectively, two described second slide blocks (232) are connected with the both sides of the bottom inwall of described arm head skeleton (21) respectively, and the inner edge of described first slide block (231) and described second slide block (232) all offsets with the external surface of described telescopic arm; Each slide block and arm head skeleton (21) are slidingly connected.
4. the arm head device of spouting plant as claimed in claim 1 is characterized in that, described arm head device also comprises the first outer surrounding baffle (241), the second outer surrounding baffle (242), the 3rd outer surrounding baffle (243) and surrounding baffle (244) all round; The described first outer surrounding baffle (241), the described second outer surrounding baffle (242) and the described the 3rd outer surrounding baffle (243) head and the tail are mounted on the outer peripheral face of described arm head skeleton (21); Described all round surrounding baffle (244) connect dashboard (22) lateral surface; Each outer surrounding baffle surrounds box structure.
5. the arm head device of spouting plant as claimed in claim 4, it is characterized in that, described arm head skeleton (21) be provided with screwed hole, described all round the relevant position of surrounding baffle (244) and described dashboard (22) offer circular hole and slotted hole respectively, bolt pass described slotted hole and corresponding described circular hole with described all round surrounding baffle (244) be installed on the described arm head skeleton (21).
6. the arm head device of spouting plant as claimed in claim 5 is characterized in that, the diameter of described circular hole is greater than the diameter of described screwed hole.
7. as the arm head device of each described spouting plant of claim 4 to 6, it is characterized in that, described all round surrounding baffle (244) comprise outer surrounding baffle (2341) and outer surrounding baffle (2342) two parts down.
8. the arm head device of spouting plant as claimed in claim 7 is characterized in that, the interior profile that two described the 3rd dashboards (223) surround is consistent with the interior profile of described outer surrounding baffle (2342) down, and the former size is less than the latter's size.
9. spouting plant comprises fixed arm, is connected in the telescopic arm of inside of described fixed arm and the arm head device that supports described telescopic arm, it is characterized in that described arm head device is each described arm head device of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206155465U CN201874588U (en) | 2010-11-19 | 2010-11-19 | Cement spraying equipment and arm end device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206155465U CN201874588U (en) | 2010-11-19 | 2010-11-19 | Cement spraying equipment and arm end device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201874588U true CN201874588U (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206155465U Expired - Fee Related CN201874588U (en) | 2010-11-19 | 2010-11-19 | Cement spraying equipment and arm end device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201874588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814320A (en) * | 2017-11-06 | 2018-03-20 | 北京新能正源环境科技有限公司 | Bow member installation chassis, telescopic arm and its protection device |
-
2010
- 2010-11-19 CN CN2010206155465U patent/CN201874588U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814320A (en) * | 2017-11-06 | 2018-03-20 | 北京新能正源环境科技有限公司 | Bow member installation chassis, telescopic arm and its protection device |
| CN107814320B (en) * | 2017-11-06 | 2024-03-26 | 北京新能正源智能装备有限公司 | Arch frame mounting trolley, telescopic arm and protection device thereof |
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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: XUZHOU XUGONG SCHWING MACHINERY CO., LTD. Free format text: FORMER OWNER: BUILDING MACHINERY CO., LTD., XCMG CONSTRUCTION MACHINERY CO., LTD. Effective date: 20130609 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130609 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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20171119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |