CN103205959A - Elastic support device, dynamic compactor lifting device and dynamic compactor - Google Patents
Elastic support device, dynamic compactor lifting device and dynamic compactor Download PDFInfo
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- CN103205959A CN103205959A CN201310104541.4A CN201310104541A CN103205959A CN 103205959 A CN103205959 A CN 103205959A CN 201310104541 A CN201310104541 A CN 201310104541A CN 103205959 A CN103205959 A CN 103205959A
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- 238000005056 compaction Methods 0.000 claims description 40
- 230000007246 mechanism Effects 0.000 claims description 39
- 206010044565 Tremor Diseases 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 62
- 230000000694 effects Effects 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The invention provides an elastic support device comprising a support frame. First elastic components used for abutting against the support frame are arranged under the support frame. When the elastic support device is used, the support frame of the elastic support device can support proper positions of a cylinder barrel of an oil cylinder; and when acting force vertical to the length direction of the oil cylinder is exerted on the oil cylinder, the cylinder barrel transmits the acting force to the elastic support device, and then the first elastic components of the elastic support device are stressed to exert counter-acting force to the cylinder barrel, so that magnitude of external force exerted on the oil cylinder can be effectively reduced and negative influences brought by vibration and impact are weakened finally. Therefore, with the elastic support device, force condition of the oil cylinder can be effectively improved to prolong the service life of the oil cylinder. In addition, the invention further provides a dynamic compactor lifting device and a dynamic compactor both with the elastic support device.
Description
Technical field
The present invention relates to engineering machinery, be specifically related to a kind of resilient supporting unit; In addition, also relate to a kind of dynamic compaction machinery hoisting mechanism and dynamic compaction machinery.
Background technology
At present, oil cylinder has been widely used on the engineering machinery as hydraulic actuator, and it has advantages such as simple in structure, reliable operation, stable drive.Oil cylinder comprises cylinder barrel, piston and piston rod; Wherein, piston is fixedlyed connected with piston rod, and under the effect of hydraulic oil, piston rod can carry out stretching motion.
Usually, engineering machinery is in operation process, vibration and impact are bigger, this causes oil cylinder often will bear dynamic load, and tend to occur dynamic load perpendicular to the situation of the length direction of oil cylinder, this situation is brought harmful effect to oil cylinder easily, such as problems such as seal fails, piston rod bendings, finally can cause the oil cylinder can't operate as normal.
Summary of the invention
In view of this, the present invention proposes a kind of resilient supporting unit, utilizes this resilient supporting unit can effectively improve the force-bearing situation of oil cylinder, thereby prolongs the application life of oil cylinder.
On the one hand, the present invention proposes a kind of resilient supporting unit, comprises bracing frame, and the support frame as described above below is provided be used to first elastomeric element that supports support frame as described above.
Preferably, support frame as described above is provided with sleeve; Described first elastomeric element is located in the described sleeve, and first end of described first elastomeric element is resisted against on the inwall of described sleeve.
Preferably, described resilient supporting unit also comprises guide peg and base; Described guide peg one end is fixedly installed on the described base; Described first elastomeric element is sheathed on the described guide peg, and second end of described first elastomeric element is resisted against on the described base.
Preferably, support frame as described above is provided with described guide peg and cooperates, and is used for the spacing hole of restriction support frame as described above transverse shakiness.
Preferably, described guide peg passes described spacing hole, and described guide peg is provided with limited block away from the end of base.
Preferably, described limited block is connected with described guide peg by connector, and described limited block is adjustable to the distance of described base.
Preferably, described resilient supporting unit also comprises clip, and described clip is fixedly set on the support frame as described above.
Preferably, described resilient supporting unit also comprises buffer board, and described buffer board is arranged on described base and/or the bracing frame.
Preferably, the support frame as described above top is provided be used to second elastomeric element that supports support frame as described above.
Preferably, described second elastomeric element is set on the described guide peg, and the one end is resisted against on the described limited block, and the other end is resisted against bracing frame to deviate from the side of described first elastomeric element.
The present invention proposes a kind of resilient supporting unit, comprises bracing frame, and the support frame as described above below is provided be used to first elastomeric element that supports support frame as described above.When using, the bracing frame of this resilient supporting unit can support the appropriate location of the cylinder barrel of oil cylinder, when oil cylinder is subjected to active force perpendicular to described oil cylinder length direction, cylinder barrel is given resilient supporting unit with force transmission, this moment resilient supporting unit the first elastomeric element pressurized, and then provide reaction force to cylinder barrel, thus effectively reduce the size of the external force that oil cylinder is subjected to, finally weaken vibration and impact the adverse effect of bringing to oil cylinder.Therefore, utilize this resilient supporting unit can effectively improve the force-bearing situation of oil cylinder, thereby prolong the application life of oil cylinder.
On the other hand, the present invention also proposes a kind of dynamic compaction machinery hoisting mechanism, comprises oil cylinder, fixed pulley group, running block, drag-line and above-mentioned each described resilient supporting unit, and wherein: the formation pulley mechanism is closed in described drag-line, running block and fixed pulley assembly; Described oil cylinder is connected with described movable pulley, is used for driving described pulley mechanism and moves into or emit described drag-line; The bracing frame of described resilient supporting unit is used for supporting the cylinder barrel of described oil cylinder.
Further, the fixed pulley of described fixed pulley group equates with the movable pulley quantity of described running block; One end of described drag-line fixedly installs, and the other end is alternately walked around movable pulley and fixed pulley.
The dynamic compaction machinery hoisting mechanism that the present invention proposes is by arranging resilient supporting unit, in operation process, when oil cylinder is subjected to active force perpendicular to the oil cylinder length direction, described resilient supporting unit can be offset the part component of dynamic load at least, and then improve the stressed of oil cylinder, prevent that oil cylinder is damaged too early, thereby promote the reliability of dynamic compaction machinery.Simultaneously, by with oil cylinder and pulley mechanism in conjunction with the action element as the dynamic compaction machinery hoisting mechanism, can simplify the structure of dynamic compaction machinery hoisting mechanism, for the manufacturing facilitates.
Another aspect, the specific embodiment of the invention propose a kind of dynamic compaction machinery, comprise the chassis, be located at jib and above-mentioned each described dynamic compaction machinery hoisting mechanism on the chassis; And described first elastomeric element is fixedly set on the described jib away from an end of support frame as described above.
Further, described running block is mounted slidably to be located on the described jib, and first end of described oil cylinder is arranged on the jib, and its second end is connected with described running block.
In view of above-mentioned dynamic compaction machinery hoisting mechanism has effectively improved the force-bearing situation of oil cylinder by resilient supporting unit, and then reduce the probability of oil cylinder premature failure, therefore, the more reliable performance of this dynamic compaction machinery, more stable.In addition, by adopting above-mentioned dynamic compaction machinery hoisting mechanism, can simplify the overall structure of dynamic compaction machinery, for its production offers convenience.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the schematic perspective view of the resilient supporting unit of an embodiment of the present invention proposition;
Fig. 2 is the structural representation of resilient supporting unit shown in Figure 1;
Fig. 3 is the partial structurtes schematic diagram of resilient supporting unit shown in Figure 1;
Fig. 4 is the partial structurtes schematic diagram of the resilient supporting unit of another embodiment of the present invention proposition;
Fig. 5 is the partial structurtes schematic diagram of the resilient supporting unit of another embodiment of the present invention proposition;
Fig. 6 is the structural representation of the base portion of the resilient supporting unit of another embodiment of the present invention proposition;
The structure principle chart of a kind of dynamic compaction machinery hoisting mechanism that Fig. 7 provides for the specific embodiment of the invention;
The structural representation of a kind of dynamic compaction machinery that Fig. 8 provides for the specific embodiment of the invention.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the present invention can make up mutually.1 be elaborated to 6 pairs of specific embodiments of the invention of accompanying drawing below with reference to the accompanying drawings.
Fig. 1 is the schematic perspective view of a kind of resilient supporting unit of specific embodiment of the invention proposition; Fig. 2 is the structural representation of resilient supporting unit shown in Figure 1; Fig. 3 is the partial structurtes schematic diagram of resilient supporting unit shown in Figure 1; Fig. 4 is the partial structurtes schematic diagram of the another kind of resilient supporting unit of specific embodiment of the invention proposition; Fig. 5 is the partial structurtes schematic diagram of the resilient supporting unit of specific embodiment of the invention proposition; Fig. 6 is the structural representation of the base portion of the resilient supporting unit of specific embodiment of the invention proposition; The structure principle chart of a kind of dynamic compaction machinery hoisting mechanism that Fig. 7 provides for the specific embodiment of the invention; The structural representation of a kind of dynamic compaction machinery that Fig. 8 provides for the specific embodiment of the invention.
The specific embodiment of the invention proposes a kind of resilient supporting unit, and as depicted in figs. 1 and 2, this resilient supporting unit comprises bracing frame 1, and bracing frame 1 below is provided be used to first elastomeric element 2 that supports bracing frame 1.When using, the bracing frame 1 of this resilient supporting unit can support the appropriate location of the cylinder barrel of oil cylinder, when oil cylinder is subjected to active force perpendicular to the oil cylinder length direction, cylinder barrel is given resilient supporting unit with force transmission, this moment resilient supporting unit first elastomeric element, 2 pressurizeds, and then provide reaction force to cylinder barrel, thus effectively reduce the size of the external force that oil cylinder is subjected to, finally weaken vibration and impact the adverse effect of bringing to oil cylinder.Therefore, utilize this resilient supporting unit can effectively improve the force-bearing situation of oil cylinder, thereby prolong the application life of oil cylinder.
In technique scheme, bracing frame 1 is provided with sleeve 6; First elastomeric element 2 is located in the sleeve 6, and first end of first elastomeric element 2 is resisted against on the inwall of sleeve 6.Be in the environment of relative closure and work by sleeve 6 being set, making the elastomeric element 2 of winning, can avoid the interference of other object.
In technical scheme further, this resilient supporting unit also is provided with guide peg 3 and base 4; Guide peg 3 one ends are fixedly set on the base 4; First elastomeric element 2 is sheathed on the guide peg 3, and its second end is resisted against on the base 4, and its concrete setting can be with reference to figure 3.By arrange guide peg 3 can limit first elastomeric element 2 deformation direction, the reaction force that first elastomeric element 2 is provided is mainly reverse along guide peg 33, thereby makes first elastomeric element 2 play cushioning effect to greatest extent.In addition, by base 4 is set, and guide peg 3 is arranged on the base 4, can makes things convenient for the installation of resilient supporting unit.
In technical scheme further, bracing frame 1 is provided with spacing hole 11, and spacing hole 11 cooperates with guide peg 3 and is used for restriction bracing frame 1 transverse shakiness; Guide peg 3 can be with reference to figure 5 with the concrete setting of spacing hole 11.Here " laterally " refers to perpendicular to guide peg 3 and oil cylinder length direction; When oil cylinder carried out transverse shakiness under the dynamic load influence, guide peg 3 limited the motion amplitude of spacing hole 11, and then restrains rocking of bracing frame 1, and reduced the amplitude of oil cylinder transverse shakiness.
In technical scheme further, guide peg 3 passes spacing hole 11, and guide peg 3 is provided with limited block 7 away from the end of base 4.By at guide peg 3 limited block 7 being set, when oil cylinder drove bracing frame 1 and moves to limited block 7 positions under the dynamic load effect, limited block 7 can effectively stop the motion amplitude of bracing frame 1.
In technical scheme further, as shown in Figure 4, this resilient supporting unit also comprises is located at second elastomeric element 10 bracing frame 1 top, that be used for supporting support frame as described above 1; Particularly, second elastomeric element 10 can be sheathed on the guide peg 3, and second elastomeric element, 10 1 ends are resisted against on the limited block 7, and the other end is resisted against on the bracing frame 1.By second elastomeric element 10 is set between bracing frame 1 and limited block 7; can avoid bracing frame 1 and limited block 7 rigid collision on the one hand; on the other hand; when oil cylinder and limited block 7 relative fixed; under the dynamic load effect; when oil cylinder drives bracing frame 1 toward the motion of limited block 7 directions; second elastomeric element, 10 pressurizeds; and then provide reaction force to bracing frame 1; thereby the motion amplitude that suppresses bracing frame 1; finally can weaken oil cylinder towards the motion amplitude of limited block 7 directions, reach and suppress the oil cylinder vibration, the purpose of protection oil cylinder.
In technical scheme further, limited block 7 is connected with guide peg 3 by connector, and limited block 7 is adjustable to the distance of base 4.In this technical scheme, limited block 7 is connected with guide peg 3 by connector (such as bolt), and make limited block 7 adjustable with base 4 distances, and make this resilient supporting unit that distance between limited block 7 and the base 4 can be set as required, thus the motion amplitude of adjustment bracing frame 1; Certainly on the basis that second elastomeric element 10 is set, the distance between adjustment limited block 7 and the base 4 can also play the effect of the pretightning force of adjusting first elastomeric element 2 and second elastomeric element 10.
In technical scheme further, resilient supporting unit also comprises clip, and clip is fixedly set on the bracing frame 1.By clip is set, can when using, easily oil cylinder be fixed on the bracing frame 1.
In technical scheme further, resilient supporting unit also comprises buffer board 8,9, and buffer board 8,9 is arranged on base 4 and/or the bracing frame 1.By arrange at bracing frame 1 buffer board 8(form specifically is set can be with reference to figure 2) can avoid the rigid impact between oil cylinder and the bracing frame 1, and then play the effect of protection oil cylinder and bracing frame 1; In like manner, base 4 arrange buffer board 9(form specifically is set can be with reference to figure 6), can avoid the rigid impact of bracing frame 1 and base 4 and then protection bracing frame 1 and base 4.Certainly, for playing buffering effect preferably, buffer board 8,9 can select flexible material to make, such as nylon.
First elastomeric element 2 in the technique scheme and second elastomeric element 10 can be spring, air spring or hydro-pneumatic spring, in view of spring structure is simple, preferentially select spring for use.
On the other hand, the present invention also proposes a kind of dynamic compaction machinery hoisting mechanism, comprise oil cylinder 21, fixed pulley group 40, running block 30, drag-line 25 and above-mentioned each resilient supporting unit 23, wherein: drag-line 25, running block 30 and fixed pulley group 40 cooperate and form pulley mechanisms 26; Oil cylinder 21 is connected with running block 30, is used for pulley mechanism 26 and moves into or emit drag-line 25; The bracing frame 1 of resilient supporting unit 23 is used for the cylinder barrel of support cylinder 21.Fig. 7 is the schematic diagram of this dynamic compaction machinery hoisting mechanism, the course of work of this dynamic compaction machinery hoisting mechanism is: when the piston rod of oil cylinder 21 is withdrawn, drive running block 30 motions, pulley mechanism 26 moves into drag-line 25 and then pull-up hammer ram 24, thereby plays the effect that promotes hammer ram 24; When hammer ram 24 pull-ups during to predetermined altitude, the piston rod of oil cylinder 21 stretches out, and pulley mechanism 26 is emitted drag-line 25, and hammer ram 24 accelerates down motion under the gravity effect.The dynamic compaction machinery hoisting mechanism that the specific embodiment of the invention proposes by with oil cylinder 21 and pulley mechanism 26 in conjunction with the action element as the dynamic compaction machinery hoisting mechanism, can simplify the structure of dynamic compaction machinery hoisting mechanism, for the manufacturing facilitates.Because needing to promote hammer ram to the predetermined altitude that quality reaches several tons or tens of tons in the course of the work, this dynamic compaction machinery hoisting mechanism discharges suddenly then, in this process, oil cylinder 21 needs to bear the shock and vibration perpendicular to the oil cylinder length direction often, make that the force-bearing situation of oil cylinder 21 is more abominable, may occur the situation that the piston rod of oil cylinder 21 is bent when serious.Therefore, by resilient supporting unit 23 is set, in operation process, when oil cylinder 21 is subjected to active force perpendicular to oil cylinder 21 length directions, resilient supporting unit 23 can be offset the part dynamic load at least, and then improve the stressed of oil cylinder 21, prevent that oil cylinder 21 is damaged too early, thereby promote the reliability of dynamic compaction machinery hoisting mechanism.
In technique scheme, pulley mechanism 26 specifically arrange can for: the fixed pulley of fixed pulley group 40 equates with the movable pulley quantity of running block 30; One end of drag-line 25 fixedly installs, and the other end is alternately walked around movable pulley and fixed pulley, specifically can be with reference to figure 7.By movable pulley and the fixed pulley that quantity equates is set, and drag-line 25 alternately walked around movable pulley and fixed pulley, the pulley mechanism 26 of this form of structure is ripe relatively, also easier production, therefore, adopt the pulley mechanism 26 of this form can make things convenient for the manufacturing of dynamic compaction machinery hoisting mechanism.
Another aspect, the specific embodiment of the invention propose a kind of dynamic compaction machinery, comprise chassis 20, be located at jib 22 and above-mentioned each dynamic compaction machinery hoisting mechanism on the chassis 20; And first elastomeric element 2 is fixedly set on the jib 22 away from an end of bracing frame 1.Here " first elastomeric element 2 is fixedly set on the jib 22 away from an end of bracing frame 1 " comprises two layers of meaning at least: 1) first elastomeric element 1 directly fixedlys connected 2 with jib 22) first elastomeric element 1 fixedlys connected with jib 22 by base 4.Certainly, this dynamic compaction machinery can be mounted slidably running block 30 and be located on the jib 22 when specifically arranging, and first end of oil cylinder 21 is connected with jib 22, and second end of oil cylinder 21 is connected with running block 30.
In view of above-mentioned dynamic compaction machinery hoisting mechanism can effectively improve the force-bearing situation of oil cylinder 21 by resilient supporting unit 23, and then reduce the probability of oil cylinder 21 premature failure, therefore, the more reliable performance of this dynamic compaction machinery, more stable.In addition, by adopting above-mentioned dynamic compaction machinery hoisting mechanism, can simplify the overall structure of dynamic compaction machinery, for its production offers convenience.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a resilient supporting unit is characterized in that, comprises bracing frame (1), and support frame as described above (1) below is provided be used to first elastomeric element (2) that supports support frame as described above (1).
2. resilient supporting unit according to claim 1 is characterized in that, support frame as described above (1) is provided with sleeve (6); Described first elastomeric element (2) is located in the described sleeve (6), and first end of described first elastomeric element (2) is resisted against on the inwall of described sleeve (6).
3. resilient supporting unit according to claim 2 is characterized in that, also comprises guide peg (3) and base (4); Described guide peg (3) one ends are fixedly installed on the described base (4); Described first elastomeric element (2) is sheathed on the described guide peg (3), and second end of described first elastomeric element (2) is resisted against on the described base (4).
4. resilient supporting unit according to claim 3 is characterized in that, support frame as described above (1) is provided with described guide peg (3) and cooperates, and is used for the spacing hole (11) of restriction support frame as described above (1) transverse shakiness.
5. resilient supporting unit according to claim 3 is characterized in that, also comprises buffer board, and described buffer board is arranged on described base (4) and/or the bracing frame (1).
6. resilient supporting unit according to claim 4 is characterized in that, described guide peg (3) passes described spacing hole (11), and described guide peg (3) is provided with limited block (7) away from the end of base.
7. resilient supporting unit according to claim 6 is characterized in that, described limited block (7) is connected with described guide peg (3) by connector, and described limited block (7) is adjustable to the distance of described base (4).
8. resilient supporting unit according to claim 1 is characterized in that, also comprises clip, and described clip is fixedly set on the support frame as described above (1).
9. according to each described resilient supporting unit of claim 1-8, it is characterized in that support frame as described above (1) top is provided be used to second elastomeric element (10) that supports support frame as described above (1).
10. resilient supporting unit according to claim 9, it is characterized in that, described second elastomeric element (10) is set on the described guide peg (3), and the one end is resisted against on the described limited block (7), and the other end is resisted against bracing frame (1) to deviate from the side of described first elastomeric element (2).
11. a dynamic compaction machinery hoisting mechanism is characterized in that, comprises oil cylinder (21), fixed pulley group (40), running block (30), drag-line (25) and each described resilient supporting unit of claim 1 to 10, wherein:
Described drag-line (25), running block (30) and fixed pulley group (40) cooperate formation pulley mechanism (26); Described oil cylinder (21) is connected with described movable pulley, is used for driving described pulley mechanism (26) and moves into or emit described drag-line (25); The bracing frame of described resilient supporting unit (1) is used for supporting the cylinder barrel of described oil cylinder (21).
12. dynamic compaction machinery hoisting mechanism according to claim 11 is characterized in that, the fixed pulley of described fixed pulley group (40) equates with the movable pulley quantity of described running block (30); One end of described drag-line (25) fixedly installs, and the other end is alternately walked around movable pulley and fixed pulley.
13. a dynamic compaction machinery comprises chassis (20) and jib (22), it is characterized in that, also comprises claim 11 or 12 described dynamic compaction machinery hoisting mechanisms; And described first elastomeric element (2) is fixedly set on the described jib (22) away from an end of support frame as described above (1).
14. dynamic compaction machinery according to claim 13, it is characterized in that, described running block (30) is mounted slidably to be located on the described jib (22), first end of described oil cylinder (21) is arranged on the described jib (22), and second end of described oil cylinder (21) is connected with described running block (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310104541.4A CN103205959B (en) | 2012-11-22 | 2013-03-28 | Resilient supporting unit, dynamic compaction machinery hoisting mechanism and dynamic compaction machinery |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206235435 | 2012-11-22 | ||
| CN201220623543 | 2012-11-22 | ||
| CN201220623543.5 | 2012-11-22 | ||
| CN201310104541.4A CN103205959B (en) | 2012-11-22 | 2013-03-28 | Resilient supporting unit, dynamic compaction machinery hoisting mechanism and dynamic compaction machinery |
Publications (2)
| Publication Number | Publication Date |
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| CN103205959A true CN103205959A (en) | 2013-07-17 |
| CN103205959B CN103205959B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320148024.2U Expired - Lifetime CN203393698U (en) | 2012-11-22 | 2013-03-28 | Elastic support device, lifting mechanism for dynamic compactor, and dynamic compactor |
| CN201310104541.4A Expired - Fee Related CN103205959B (en) | 2012-11-22 | 2013-03-28 | Resilient supporting unit, dynamic compaction machinery hoisting mechanism and dynamic compaction machinery |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320148024.2U Expired - Lifetime CN203393698U (en) | 2012-11-22 | 2013-03-28 | Elastic support device, lifting mechanism for dynamic compactor, and dynamic compactor |
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| Country | Link |
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| CN (2) | CN203393698U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019424A (en) * | 2015-09-09 | 2015-11-04 | 金陵科技学院 | Tamper with handle damping function |
| CN108149671A (en) * | 2018-02-07 | 2018-06-12 | 武汉南方旭域科技工程有限公司 | A kind of reciprocating vibration strong rammer hammer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203393698U (en) * | 2012-11-22 | 2014-01-15 | 三一重工股份有限公司 | Elastic support device, lifting mechanism for dynamic compactor, and dynamic compactor |
| CN106074068A (en) * | 2016-06-13 | 2016-11-09 | 黄山金富医疗器械有限公司 | A kind of physiotherapy bed resonance mechanism |
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| CN203393698U (en) * | 2012-11-22 | 2014-01-15 | 三一重工股份有限公司 | Elastic support device, lifting mechanism for dynamic compactor, and dynamic compactor |
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2013
- 2013-03-28 CN CN201320148024.2U patent/CN203393698U/en not_active Expired - Lifetime
- 2013-03-28 CN CN201310104541.4A patent/CN103205959B/en not_active Expired - Fee Related
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| CN1699894A (en) * | 2004-05-18 | 2005-11-23 | Lg电子株式会社 | Vibration isolation apparatus for wine refrigerator |
| CN201144432Y (en) * | 2007-12-15 | 2008-11-05 | 徐州鹏达科技有限公司 | Crawler type multifunctional rotary drilling rig |
| JP2011105448A (en) * | 2009-11-17 | 2011-06-02 | Ihi Corp | Cylinder type deck crane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019424A (en) * | 2015-09-09 | 2015-11-04 | 金陵科技学院 | Tamper with handle damping function |
| CN108149671A (en) * | 2018-02-07 | 2018-06-12 | 武汉南方旭域科技工程有限公司 | A kind of reciprocating vibration strong rammer hammer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103205959B (en) | 2015-08-12 |
| CN203393698U (en) | 2014-01-15 |
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