CN201809763U - Elastic buffering device for dynamic compaction machine - Google Patents
Elastic buffering device for dynamic compaction machine Download PDFInfo
- Publication number
- CN201809763U CN201809763U CN 201020558016 CN201020558016U CN201809763U CN 201809763 U CN201809763 U CN 201809763U CN 201020558016 CN201020558016 CN 201020558016 CN 201020558016 U CN201020558016 U CN 201020558016U CN 201809763 U CN201809763 U CN 201809763U
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- dynamic compaction
- compaction machinery
- link
- compaction machine
- retractable supports
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Abstract
The utility model relates to an elastic buffering device for a dynamic compaction machine. The elastic buffering device comprises a dynamic compaction machine supporting device which is connected with the machine body of the dynamic compaction machine and is positioned under a dynamic compaction machine suspension arm, wherein the dynamic compaction machine supporting device is detachably connected with at least one elastic steel rope for connecting the dynamic compaction machine supporting device with the dynamic compaction machine suspension arm; and the length of the elastic steel rope is matched with the distance between the dynamic compaction machine supporting device and the dynamic compaction machine suspension arm. The device can effectively prevent severe shake produced by the suspension arm of the dynamic compaction machine when counterforce is applied to the suspension arm, greatly reduces the stress and vibration of a support rod damping spring of the dynamic compaction machine suspension arm, reduces the stress damage of a dynamic compaction machine slewing bearing, enhances the safety performance and the stable performance of the dynamic compaction machine and prolongs the service life of the dynamic compaction machine.
Description
Technical field
The utility model relates to a kind of building machinery field, the used dynamic compaction machinery elastic buffering mechanism of dynamic compaction machinery when in especially a kind of Construction of Civil Engineering process ground being handled.
Background technology
In building construction process, when natural ground can not satisfy building to the requiring of foundation strength, stability and distortion, often need reinforce ground, changing the engineering property of ground soil property, and then satisfy the construction work requirement.
In the building operations ground was handled, the method for the most frequently used a kind of consolidated subsoil was a dynamic compaction, and dynamic compaction machinery in to the ground processing procedure, is being brought into play important role as implementing strong plant equipment of ramming a kind of primary selection of Ground Treatment; Common dynamic compaction machinery comprises fuselage, hammer ram and tripping gear, and wherein, tripping gear links to each other by the suspension hook of dynamic compaction machinery fuselage, and the weight of dynamic compaction machinery hammer ram is bigger usually, generally weighs several tons to tens tons; Carry out ground treatment construction when doing at dynamic compaction machinery, make tripping gear hook hammer ram, hammer ram hung several meters to tens meters height, tripping gear and hammer ram are separated, at this moment, hammer ram collides with ground from falling in the air, in collision process, produce very big impact energy, impact energy produces corresponding stress wave and dynamic stress on the ground, under the effect repeatedly of stress wave and dynamic stress, loose soft ground soil property obtains reinforcing, and bearing capacity is improved, and the density homogenizing of the soil layer of ground, sedimentation phenomenon reduces; Though carrying out the ground processing, dynamic compaction machinery has above-mentioned advantage, but because the weight of hammer ram is heavier, in the hammer ram lifting process, because dynamic compaction machinery front fuselage weight increases the weight of suddenly, the dynamic compaction machinery fuselage is run-off the straight forward generally, arrive the moment of certain altitude and tripping gear unhook at hammer ram, because dynamic compaction machinery front fuselage weight alleviates suddenly, the arm of dynamic compaction machinery is subjected to huge counter-force effect and produces violent rocking backward, to support bar generation strong wallop thereafter, spring moment of support bar is compressed to the limit, when arm rocks the power that produced when surpassing the limit that the support bar spring born backward, directly can cause the damage of dynamic compaction machinery parts such as support bar, also can cause turning over behind the arm when serious; In addition, acutely the rocking of dynamic compaction machinery arm can directly cause dynamic compaction machinery complete machine moment unbalance, the security performance of dynamic compaction machinery is reduced, and the unbalance pivoting support impact wear injury to dynamic compaction machinery of moment of dynamic compaction machinery complete machine is serious, has reduced its application life.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of dynamic compaction machinery elastic buffering mechanism, the arm that this dynamic compaction machinery elastic buffering mechanism can effectively prevent dynamic compaction machinery is done the time spent and is produced and acutely rock being subjected to counter-force, improves the security performance and the stationary performance of dynamic compaction machinery.
For solving the problems of the technologies described above, the utility model adopts following technical proposals: this dynamic compaction machinery elastic buffering mechanism comprises and links to each other with the fuselage of dynamic compaction machinery and be positioned at dynamic compaction machinery bracing or strutting arrangement under the dynamic compaction machinery arm, removably be connected with at least one in order to connect the Elastic steel cable of described dynamic compaction machinery bracing or strutting arrangement and dynamic compaction machinery arm on the dynamic compaction machinery bracing or strutting arrangement, the distance between the length of described Elastic steel cable and dynamic compaction machinery bracing or strutting arrangement and the dynamic compaction machinery arm is suitable.
According to design concept of the present utility model, described dynamic compaction machinery bracing or strutting arrangement comprises the link that links to each other in order to the dynamic compaction machinery fuselage, described link is provided with at least one and matches with link in order to the retractable supports top of balance dynamic compaction machinery fuselage, the lateral surface on described retractable supports top is along being fixed with junction plate on the short transverse, described junction plate offers a plurality of adjustment holes along himself length direction, described Elastic steel cable one end removably links to each other with adjustment hole, and the other end links to each other with the dynamic compaction machinery arm straight up.
According to design concept of the present utility model, described junction plate has two, these two junction plates compartment of terrain that is parallel to each other is fixed on the lateral surface on described retractable supports top, the two ends that described Elastic steel cable has two and an every Elastic steel cable are connected with the U-shaped snap ring in order to link to each other with the dynamic compaction machinery arm with the retractable supports top respectively, the corresponding suspension ring that are provided with in position in described dynamic compaction machinery arm and Elastic steel cable connection, described each Elastic steel cable one end snaps in the adjustment hole of junction plate by the U-shaped snap ring correspondence that is arranged in this end, and other end correspondence snaps in the suspension ring of dynamic compaction machinery arm.
According to design concept of the present utility model, described retractable supports top comprises a support shell, hydraulic cylinder and a support inner casing, described support shell links to each other with link and described support shell one end opening is hollow cylindrical, described hydraulic cylinder is fixed in the support shell and the expansion link of hydraulic cylinder links to each other with a support inner casing, and an end of described support inner casing plugs and is positioned at a support shell.
According to design concept of the present utility model, described retractable supports top comprises a support shell, pneumatic cylinder and a support inner casing, described support shell links to each other with link and this support shell one end opening is hollow cylindrical, described pneumatic cylinder is fixed in the support shell and the expansion link of pneumatic cylinder links to each other with a support inner casing, and an end of described support inner casing plugs and is positioned at a support shell.
According to design concept of the present utility model, described support inner casing exterior bottom position is provided with ball contact, and rotating being connected with is discoidal base for supporting on the described ball contact.
According to design concept of the present utility model, described link comprises the skeleton of the nearly cone-shaped that is formed by many angle steel welding and is fixed on skeleton steel plate all around, described skeleton comprises big end of opening and opening small end, and described retractable supports top removably links to each other with the opening small end of described skeleton.
According to design concept of the present utility model, described junction plate is fixedly installed on the support shell on described retractable supports top.
Compared with prior art, the utlity model has following beneficial effect: (1) is because the utility model is connected with Elastic steel cable on being used for dynamic compaction machinery the time between dynamic compaction machinery arm and dynamic compaction machinery bracing or strutting arrangement, arrive the moment of certain altitude and tripping gear unhook at hammer ram, the arm of dynamic compaction machinery is subjected to huge counter-force when layback, the Elastic steel cable that is positioned at the arm below of dynamic compaction machinery is tightened up, arm layback power is cushioned by the pulling force of Elastic steel cable, the layback stroke suffers restraints, stressed and the vibrations reduction greatly of the support bar damping spring of dynamic compaction machinery arm, dynamic compaction machinery integral body is rocked and is reduced, and has also reduced the stressed damage of pivoting support; Improve the security performance and the stationary performance of dynamic compaction machinery, prolonged the application life of dynamic compaction machinery; (2) since the lateral surface on retractable supports of the present utility model top along being fixed with junction plate on the short transverse, describedly offer a plurality of adjustment holes along the junction plate length direction, therefore, in use, can be as the case may be, the degree of tightness that the adjustment hole of selection diverse location is regulated Elastic steel cable, very easy to use; (3) position, both ends of every Elastic steel cable is respectively arranged with U-loop, when Elastic steel cable links to each other with the dynamic compaction machinery bracing or strutting arrangement with the dynamic compaction machinery arm, directly by getting final product in the corresponding respectively adjustment hole that snaps in junction plate of this U-loop and in the suspension ring of dynamic compaction machinery arm, mount and dismount all easily, improved the use effect of dynamic compaction machinery; (4) dynamic compaction machinery bracing or strutting arrangement of the present utility model comprises link and retractable supports top, this dynamic compaction machinery bracing or strutting arrangement in order to dynamic compaction machinery on the time, make link be connected correct position on the fuselage rotating disk of dynamic compaction machinery, when the dial rotation of dynamic compaction machinery, this dynamic compaction machinery bracing or strutting arrangement rotates thereupon, guaranteed when dynamic compaction machinery carries out work this bracing or strutting arrangement be positioned at all the time the dynamic compaction machinery arm under the position, provide firm support to dynamic compaction machinery; Like this, powerful counter-force effect changes from hammer ram even dynamic compaction machinery is subjected to, because having retractable supports withstands on dynamic compaction machinery cantilever below dynamic compaction machinery is supported, the fuselage of dynamic compaction machinery can not take place to change suddenly to produce bigger rocking because of counter-force, and then the security performance and the stationary performance of dynamic compaction machinery have been promoted, the arm layback that has prevented to cause because of careless manipulation also makes be prolonged the application life of dynamic compaction machinery; (5) because the utility model provides strong ground supports to the dynamic compaction machinery fuselage, when dynamic compaction machinery is sling hammer ram at the softer ground of soil property, even do not filling up stone or sleeper below its crawler belt, the fuselage of dynamic compaction machinery can not occur sinking or balance phenomenon yet, and then reduced labour intensity in the strong rammer process, improved operating efficiency; (6) since retractable supports of the present utility model top and link for removably connecting, when not needing to use this retractable supports top or the damage of retractable supports top, can remove and change it very easily; (7) because dynamic compaction machinery bracing or strutting arrangement of the present utility model comprises link and retractable supports top, and its overall structure is simple, cost of production is low; (8) application of the novel dynamic compaction machinery bracing or strutting arrangement of this use, the unbalanced moment when having offset dynamic compaction machinery work has effectively significantly reduced wearing and tearing and impact to important mechanism such as dynamic compaction machinery rotating disk, arms, thereby has prolonged equipment life and time between overhauls(TBO).
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the utility model dynamic compaction machinery elastic buffering mechanism, and shown in the figure is the state that the support inner casing stretches out that props up on retractable supports top;
Fig. 2 is the plan structure schematic diagram of the utility model dynamic compaction machinery elastic buffering mechanism;
Fig. 3 is the main TV structure schematic diagram of the utility model dynamic compaction machinery elastic buffering mechanism, the not shown link structure of the dynamic compaction machinery bracing or strutting arrangement among the figure;
Fig. 4 is the side-looking structural representation of the utility model dynamic compaction machinery elastic buffering mechanism, the not shown link structure of the dynamic compaction machinery bracing or strutting arrangement among the figure;
Fig. 5 is the main TV structure schematic diagram of the utility model U-shaped snap ring;
Fig. 6 is for being equipped with dynamic compaction machinery master TV structure schematic diagram of the present utility model, and shown in the figure is the holding state of retractable supports top to dynamic compaction machinery, and arrow is illustrated in the process that falls after aerial hammer ram breaks off relations.
The specific embodiment
The utility model relates to a kind of parts that are used for the building machinery dynamic compaction machinery, and it can be when the dynamic compaction machinery Ground Treatment, does the time spent and produces and acutely rock being subjected to counter-force in order to the arm that prevents dynamic compaction machinery, thereby improve the security performance and the stationary performance of dynamic compaction machinery.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the utility model dynamic compaction machinery elastic buffering mechanism comprises dynamic compaction machinery bracing or strutting arrangement 10, when this dynamic compaction machinery bracing or strutting arrangement 10 is installed on the dynamic compaction machinery, its be positioned at dynamic compaction machinery arm 41 (Fig. 6 illustrates) under, on dynamic compaction machinery bracing or strutting arrangement 10, removably be connected with Elastic steel cable 6, this Elastic steel cable 6 is in order to connect dynamic compaction machinery bracing or strutting arrangement 10 and dynamic compaction machinery arm 41, and the distance between its length and dynamic compaction machinery bracing or strutting arrangement 10 and the dynamic compaction machinery arm 41 is suitable.
Dynamic compaction machinery bracing or strutting arrangement 10 of the present utility model comprises link 1, link 1 is provided with at least one retractable supports top 2, wherein, link 1 is in order to linking to each other with the dynamic compaction machinery fuselage, matches in order to balance dynamic compaction machinery fuselage with link 1 in retractable supports top 2.
Along being fixed with junction plate 25 on the short transverse, this junction plate is preferably two, can certainly be one or more at the lateral surface on described retractable supports top 2, and its concrete number is consistent with Elastic steel cable 6 numbers; When junction plate 25 when being two or more, each junction plate 25 compartment of terrain that is parallel to each other is fixed on the lateral surface on described retractable supports top 2.
Described junction plate 25 offers a plurality of adjustment holes 251 along himself length direction, and described Elastic steel cable 6 one ends are dismountable to link to each other with adjustment hole 251, and the other end links to each other with dynamic compaction machinery arm 41 straight up.In use, can be as the case may be, the degree of tightness that the adjustment hole 251 of selection diverse location is regulated Elastic steel cable 6, very easy to use.
Link 1 of the present utility model comprises skeleton 11 and steel plate 12, and wherein, skeleton 11 is nearly cone-shaped, and it is formed by 113 welding of many angle steel; Described skeleton 11 comprises big end 111 of opening and opening small end 112; Retractable supports of the present utility model top 2 is preferably one, and when this retractable supports top 2 was one, it removably linked to each other with the opening small end 112 of described skeleton 1, can certainly be a plurality of, and like this, corresponding link 1 both sides that are arranged on get final product; The big end 111 of described opening is in order to link to each other with the fuselage of dynamic compaction machinery; Steel plate 12 is fixed on around the skeleton strengthening the intensity of skeleton 11, and makes link 1 seem more attractive in appearance; And when not needing to use this retractable supports top 2 or retractable supports top 2 to damage, because retractable supports of the present utility model top 2 and link 1 for removably connecting, can be removed and change it very easily.
As an embodiment of the present utility model, described retractable supports top 2 comprises a support shell 21, hydraulic cylinder 22 and a support inner casing 23, wherein, described support shell 21 links to each other with link 1, the one end opening is hollow cylindrical, described hydraulic cylinder 22 is fixed in the support shell 21 and the expansion link 221 of hydraulic cylinder 22 links to each other with a support inner casing 23, and an end of described support inner casing 23 plugs and is positioned at a support shell 24; Under the effect of described hydraulic cylinder 22, described support inner casing 23 can prop up support shell 21 relatively and do stretching motion, promptly when the expansion link 221 of hydraulic cylinder 22 stretches out in cylinder body, under the thrust of this expansion link 221, described support inner casing 23 stretches out from a support shell 21, until arriving ground, and then dynamic compaction machinery steadily supported, when the expansion link 221 of hydraulic cylinder 22 is withdrawn outside cylinder body, under the tension of this expansion link 221, described support inner casing 23 at first breaks away from ground, and withdrawal in a support shell 21; As a kind of alternative way on the utility model retractable supports top 2, above-mentioned hydraulic cylinder 22 obviously can adopt pneumatic cylinder to substitute, and concrete connected mode still adopts the connected mode of above-mentioned hydraulic cylinder 22, can reach the technique effect that hydraulic cylinder 22 reaches equally; Obviously, other mechanical structure form also can be adopted in retractable supports of the present utility model top 2, shakes such as adopting by counter-force, makes a support inner casing 23 prop up a support shell 21 relatively and does stretching motion etc.; Described junction plate 25 is fixedly installed on the support shell 21 on described retractable supports top 2.
For when dynamic compaction machinery is supported, increase the contact area on retractable supports top 2 and ground, dynamic compaction machinery is provided effective support more, the utility model is provided with ball contact 232 in support inner casing 23 an exterior bottom position, be connected with base for supporting 231 on the described ball contact 232, described base for supporting 231 is provided with the suitable curved surface groove of ball contact 232, and described base for supporting 231 is rotatably connected by this curved surface groove and ball contact 232; Described base for supporting 231 is disc, like this when these base for supporting 231 kiss the earths, because its area is relatively large, when dynamic compaction machinery is supported, more firmly steadily; And when base for supporting 231 runs into broken terrain, can adjust the position automatically, reach the effect of stable support.
Referring to Fig. 6, dynamic compaction machinery has multiplely in the practice, and what the utility model preferably adopted is caterpillar dynamic compaction machinery, also can adopt the dynamic compaction machinery of other type certainly; When desiring on dynamic compaction machinery 4 to use dynamic compaction machinery bracing or strutting arrangement of the present utility model, at first the utility model dynamic compaction machinery bracing or strutting arrangement is linked to each other with the fuselage rotating disk of dynamic compaction machinery 4 by link 1, like this, when the dynamic compaction machinery dial rotation, the dynamic compaction machinery bracing or strutting arrangement also can rotate thereupon, in the position of the required support of institute's dynamic compaction machinery dynamic compaction machinery is carried out firm support.
When dynamic compaction machinery of the present utility model being installed carrying out work, at first start the hydraulic cylinder 22 on the utility model retractable supports top 2, when the expansion link 221 of hydraulic cylinder 22 is stretched out in cylinder body, under the thrust of this expansion link 221, described support inner casing 23 stretches out from a support shell 21, until arriving ground, Elastic steel cable 6 one ends are linked to each other with dynamic compaction machinery arm 41, the other end is connected the correct position of the junction plate 25 on the retractable supports top 2, make dynamic compaction machinery 4 hammer ram 5 of slinging, because retractable supports top 2 front ends at dynamic compaction machinery 4 fuselages support dynamic compaction machinery 4, therefore, even hammer ram 5 is very heavy, the dynamic compaction machinery fuselage also can not lean forward, when hammer ram 5 aloft breaks away from dynamic compaction machinery 4, change though dynamic compaction machinery 4 front ends are stressed suddenly, but because the utility model is connected with Elastic steel cable 6 between dynamic compaction machinery arm 41 and dynamic compaction machinery bracing or strutting arrangement 2, dynamic compaction machinery arm 41 is subjected to huge counter-force when layback, the Elastic steel cable 6 that is positioned at dynamic compaction machinery arm 41 belows is tightened up, arm layback power is cushioned by the pulling force of Elastic steel cable 6, the layback stroke suffers restraints, stressed and the vibrations reduction greatly of the support bar damping spring of dynamic compaction machinery arm 61, dynamic compaction machinery integral body is rocked and is reduced, and has also reduced the stressed damage of pivoting support; Improve the security performance and the stationary performance of dynamic compaction machinery, prolonged the application life of dynamic compaction machinery.
In the time need handling to the ground that is positioned at dynamic compaction machinery 4 lateral location, retractable supports top 2 is separated with ground, make the rotating disk rotation of dynamic compaction machinery 4, dynamic compaction machinery bracing or strutting arrangement 2 rotates thereupon, when dynamic compaction machinery bracing or strutting arrangement 2 is rotated to needed position, retractable supports top 2 is contacted with ground, firm support is carried out in dynamic compaction machinery 4 sides, and then prevented from when dynamic compaction machinery 4 side grounds are handled the security performance of dynamic compaction machinery and stationary performance further to be got a promotion owing to dynamic compaction machinery is subjected to the security incident that causes centre-of gravity shift to cause from the gravity that rammer is beaten; After work is finished, Elastic steel cable 6 and retractable supports top 2 are separated, the expansion link 221 of hydraulic cylinder 22 is withdrawn outside cylinder body, under the tension of this expansion link 221, described support inner casing 23 at first breaks away from ground, and withdrawal in a support shell 21, at this moment, dynamic compaction machinery 4 just can move freely thereupon, and is very easy to use.
Claims (8)
1. dynamic compaction machinery elastic buffering mechanism, it is characterized in that, described device comprises and links to each other with the fuselage of dynamic compaction machinery and be positioned at dynamic compaction machinery bracing or strutting arrangement under the dynamic compaction machinery arm, removably be connected with at least one in order to connect the Elastic steel cable of described dynamic compaction machinery bracing or strutting arrangement and dynamic compaction machinery arm on the dynamic compaction machinery bracing or strutting arrangement, the distance between the length of described Elastic steel cable and dynamic compaction machinery bracing or strutting arrangement and the dynamic compaction machinery arm is suitable.
2. dynamic compaction machinery elastic buffering mechanism as claimed in claim 1, it is characterized in that, described dynamic compaction machinery bracing or strutting arrangement comprises the link that links to each other in order to the dynamic compaction machinery fuselage, described link is provided with at least one and matches with link in order to the retractable supports top of balance dynamic compaction machinery fuselage, the lateral surface on described retractable supports top is along being fixed with junction plate on the short transverse, described junction plate offers a plurality of adjustment holes along himself length direction, described Elastic steel cable one end removably links to each other with adjustment hole, and the other end links to each other with the dynamic compaction machinery arm straight up.
3. dynamic compaction machinery elastic buffering mechanism as claimed in claim 2, it is characterized in that, described junction plate has two, these two junction plates compartment of terrain that is parallel to each other is fixed on the lateral surface on described retractable supports top, the two ends that described Elastic steel cable has two and an every Elastic steel cable are connected with the U-shaped snap ring in order to link to each other with the dynamic compaction machinery arm with the retractable supports top respectively, the corresponding suspension ring that are provided with in position in described dynamic compaction machinery arm and Elastic steel cable connection, described each Elastic steel cable one end snaps in the adjustment hole of junction plate by the U-shaped snap ring correspondence that is arranged in this end, and other end correspondence snaps in the suspension ring of dynamic compaction machinery arm.
4. dynamic compaction machinery elastic buffering mechanism as claimed in claim 2, it is characterized in that, described retractable supports top comprises a support shell, hydraulic cylinder and a support inner casing, described support shell links to each other with link and described support shell one end opening is hollow cylindrical, described hydraulic cylinder is fixed in the support shell and the expansion link of hydraulic cylinder links to each other with a support inner casing, and an end of described support inner casing plugs and is positioned at a support shell.
5. dynamic compaction machinery elastic buffering mechanism as claimed in claim 2, it is characterized in that, described retractable supports top comprises a support shell, pneumatic cylinder and a support inner casing, described support shell links to each other with link and this support shell one end opening is hollow cylindrical, described pneumatic cylinder is fixed in the support shell and the expansion link of pneumatic cylinder links to each other with a support inner casing, and an end of described support inner casing plugs and is positioned at a support shell.
6. as claim 4 or 5 described dynamic compaction machinery elastic buffering mechanisms, it is characterized in that described support inner casing exterior bottom position is provided with ball contact, rotating being connected with is discoidal base for supporting on the described ball contact.
7. as claim 4 or 5 described dynamic compaction machinery elastic buffering mechanisms, it is characterized in that, described link comprises the skeleton of the nearly cone-shaped that is formed by many angle steel welding and is fixed on skeleton steel plate all around, described skeleton comprises big end of opening and opening small end, and described retractable supports top removably links to each other with the opening small end of described skeleton.
8. as claim 4 or 5 described dynamic compaction machinery elastic buffering mechanisms, it is characterized in that described junction plate is fixedly installed on the support shell on described retractable supports top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020558016 CN201809763U (en) | 2010-10-11 | 2010-10-11 | Elastic buffering device for dynamic compaction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020558016 CN201809763U (en) | 2010-10-11 | 2010-10-11 | Elastic buffering device for dynamic compaction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201809763U true CN201809763U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020558016 Expired - Fee Related CN201809763U (en) | 2010-10-11 | 2010-10-11 | Elastic buffering device for dynamic compaction machine |
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| CN (1) | CN201809763U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733365A (en) * | 2012-07-13 | 2012-10-17 | 徐工集团工程机械股份有限公司 | Device and method for protecting web member of dynamic compactor |
| CN102797250A (en) * | 2011-05-24 | 2012-11-28 | 郑州宇通重工有限公司 | Buffer device of large-sized dynamic compactor |
| CN108376601A (en) * | 2017-09-08 | 2018-08-07 | 江西鑫固电气有限公司 | A kind of transformer being conveniently replaceable mounting bracket |
| CN109185384A (en) * | 2018-11-23 | 2019-01-11 | 高旭春 | Freely falling body restrains buffer to other side |
-
2010
- 2010-10-11 CN CN 201020558016 patent/CN201809763U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797250A (en) * | 2011-05-24 | 2012-11-28 | 郑州宇通重工有限公司 | Buffer device of large-sized dynamic compactor |
| CN102797250B (en) * | 2011-05-24 | 2015-07-08 | 郑州宇通重工有限公司 | Buffer device of large-sized dynamic compactor |
| CN102733365A (en) * | 2012-07-13 | 2012-10-17 | 徐工集团工程机械股份有限公司 | Device and method for protecting web member of dynamic compactor |
| CN102733365B (en) * | 2012-07-13 | 2015-04-29 | 徐工集团工程机械股份有限公司 | Device for protecting web member of dynamic compactor |
| CN108376601A (en) * | 2017-09-08 | 2018-08-07 | 江西鑫固电气有限公司 | A kind of transformer being conveniently replaceable mounting bracket |
| CN108376601B (en) * | 2017-09-08 | 2020-01-07 | 江西鑫固电气有限公司 | Transformer convenient to change installing support |
| CN109185384A (en) * | 2018-11-23 | 2019-01-11 | 高旭春 | Freely falling body restrains buffer to other side |
| CN109185384B (en) * | 2018-11-23 | 2023-08-11 | 高旭春 | Free falling body opposite-side holding buffer |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN GONGKAN GEOTECHNICAL GROUP CO., LTD. Free format text: FORMER NAME: SHENZHEN GONGKAN GEOTECHNICAL ENGINEERING CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Futian District Fu Road Fujing building 3 building 20-21 layer Patentee after: Shenzhen Gongkan Geotechnical Group Co., Ltd. Address before: 518026 Guangdong city of Shenzhen province Futian District Fu Road King Fook building, block 20-22 Patentee before: Shenzhen Gongkan Geotechnical Engineering Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20161011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |