CN203189599U - Vibration reduction suspension device of movable type heavy transportation equipment - Google Patents
Vibration reduction suspension device of movable type heavy transportation equipment Download PDFInfo
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- CN203189599U CN203189599U CN 201320138849 CN201320138849U CN203189599U CN 203189599 U CN203189599 U CN 203189599U CN 201320138849 CN201320138849 CN 201320138849 CN 201320138849 U CN201320138849 U CN 201320138849U CN 203189599 U CN203189599 U CN 203189599U
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- spring
- cylindrical shell
- piston rod
- suspension device
- movable type
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- 239000000725 suspension Substances 0.000 title claims abstract description 30
- 230000009467 reduction Effects 0.000 title abstract description 9
- 230000003139 buffering effect Effects 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 claims description 44
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
- 239000003921 oil Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 239000004519 grease Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
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Abstract
The utility model discloses a vibration reduction suspension device of movable type heavy transportation equipment. The vibration reduction suspension device comprises a barrel, a piston rod, a first spring and a second spring. The barrel is provided with an inner cavity, and a central hole is formed in the upper end of the barrel. The lower end of the piston rod is connected with a piston, the piston rod and the piston are arranged in the inner cavity of the barrel, and the upper end of the piston rod extends out from the central hole in the upper end of the barrel. The stiffness factor of the second spring is larger than that of the first spring, the second spring is shorter than the first spring, and the first spring and the second spring are sleeved on the piston rod respectively. The vibration reduction suspension device of the movable type heavy transportation equipment has the advantages that the first spring and the second spring which are different in size can achieve vibration reduction and buffering in different loads, and effectively improve vibration reduction performance in different working conditions, meanwhile, good heat dissipation performance and lubricating conditions enable the device to have the advantages of being high in reliability, long in continuous work time and good in usability and economical efficiency.
Description
Technical field
The utility model relates to vibration damping equipment, is specifically related to a kind of vibration damping suspension device that is applied on the portable heavy haulage device.
Background technique
At present, the chassis of the heavy haulage device of all kinds of movable types generally adopts leaf spring to hang or hydro-pneumatic spring hangs, simple but the shock-absorbing capacity under the different loads operating mode of leaf spring suspension structures is difference to some extent, and the mode of taking this moment preferentially guarantees the severe duty combination property often and ignored shock-absorbing capacity when unloaded; Hydro-pneumatic spring hangs than leaf spring and is suspended on lifting to some extent on the adaptability of mating the varying load operating mode, but because the hydro-pneumatic spring suspension is to transmit power by fluid, the air bag of Xiang Lianing has certain compressibility therewith, be that energy storage pressure must make the gentle bag pressure contracting of fluid just can be delivered to piston earlier, there is congenital slower characteristic in the response that makes hydro-pneumatic spring hang, especially the operating mode obvious effect that resets behind pressurized, reduce rapidly as the road surface, tire separates rapidly with ground, be difficult to this moment guarantee to hang to be in pressured state always, thereby can not absorb external impact energy continuously, occur secondary pulse easily, reduced damping effect, simultaneously because hydraulic oil and inertia pressurized gas finite volume, it is again inner closed cycle, suspension is difficult to rapid heat radiation, makes that hydraulic oil and the temperature rise of inertia pressurized gas are fast, not only influences shock-absorbing capacity, and the working life of Sealing, problems such as leakage also can increase the weight of, and have reduced the operational safety that hangs.
The model utility content
The purpose of this utility model is effectively to overcome the deficiency of above-mentioned technology, and the vibration damping suspension device of the heavy haulage device of a kind of movable type is provided, and this vibration damping suspension device can adapt to different loads, and vibration damping and cushioning effect are better, and be safe and reliable.
The technical solution of the utility model is achieved in that the vibration damping suspension device of the heavy haulage device of a kind of movable type, and it comprises:
Cylindrical shell has an inner chamber, and the upper end of this cylindrical shell is provided with a center hole;
Piston rod, the lower end of described piston rod connects a piston, and described piston rod and piston are arranged in the inner chamber of described cylindrical shell, and the upper end of piston rod is stretched out by the center hole on the described cylindrical shell;
First spring and second spring, the [coefficient of of described second spring be greater than the first spring [coefficient of, and the length of second spring is less than the first spring length, and described first spring and second spring are sheathed on respectively on the described piston rod; The lower end of described first spring and described piston upper surface offset, upper end and described cylindrical shell upper end contacted inner surfaces; The lower end of described second spring and described piston upper surface offset, and under nature, the upper end of described second spring and described cylindrical shell upper end internal surface have a spacing.
Below technique scheme is further set forth:
Further, described piston rod upper end is connected with a locking nut, and the lower end surface of described locking nut and described cylindrical shell upper end outer surface offset.
Further, described piston rod upper end is provided with an air introduction hole, described cylindrical shell upper end is provided with the damping hole that is communicated with described cylinder lumen and external environment condition, be provided with the one-way valve that enters described cylinder lumen in the permission outside air in the described air introduction hole, be provided with the air flow channel of a described air introduction hole of connection and described cylinder lumen in the described piston rod.
Further, described piston and described cylindrical shell lower end inwall closely cooperate, and form the first fricting movement pair; The lubricant oil of described inner barrel is provided with annular oil guide slot in described piston circumferential surface, so that can enter in the gap of the described first fricting movement pair by annular oil guide slot.
Further, described piston rod and described cylindrical shell upper end center bore inner wall closely cooperate, and form the second fricting movement pair; Be provided with the radial hole that is communicated with described annular oil guide slot in described internal piston, be provided with the axial bore that is communicated with described radial hole in the described piston rod, described axial bore upper end communicates with described external environment condition.
Further, described cylindrical shell comprises a body and is embedded in the copper sheathing of described body lower end inwall, forms the described first fricting movement pair between described piston and the described copper sheathing.
Further, described cylindrical shell upper end outer surface is for being the concave face of extreme lower position with described center hole.
Further, the diameter of described damping hole is less than described air flow channel diameter, so that when second spring was received the external impact force compresses, described cylinder lumen pressure increased, forms buffering.
Further, described one-way valve comprises a rigid ball and one the 3rd spring, described the 3rd spring arranges in the described air introduction hole, described rigid ball card establish and described air introduction hole and described the 3rd spring upper end between so that allow outside air to be inhaled into described cylinder lumen.
Further, the external diameter of described first spring is less than the external diameter of second spring, and described second spring housing is located at the first spring outside.
The beneficial effects of the utility model are: first spring that the utility model utilization varies in size and second spring are realized vibration damping and the buffering under the different loads, concrete, under unloaded state, because first spring is longer than the length of second spring, the compression of first spring, second spring does not compress, and the [coefficient of of first spring is less than the [coefficient of of second spring, so this vibration damping suspension device can utilize the external impact of the first spring buffer equipment in unloaded transportation process well, under the heavy duty state or impact when big, second spring begins compressed, play buffer function preferably, to adapt to the requirement of heavy duty vibration damping, therefore, this first of the different sizes of placing in parallel, second spring is used mode, can make the equipment shock-absorbing capacity better adapt to needs under the different loads operating mode, and first spring of common spring silk and second spring are faster than the hydro-pneumatic spring response, especially the operating mode that resets behind pressurized plays a role clearly, reduce rapidly as the road surface, tire separates rapidly with ground, the easier assurance suspension arrangement of common spring silk spring is in pressured state always, and then can absorb external impact energy continuously, be conducive to eliminate the generation that secondary significantly shakes, improve operator's impression, its adaptability is strong.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1;
The structural representation that Fig. 3 installs for the utility model;
Among the figure: cylindrical shell 1; Damping hole 101; Concave face 102; Piston rod 2; Axial bore 201; Air flow channel 202; Air introduction hole 203; Piston 3; Annular oil guide slot 301; Radial hole 302; First spring 4; Second spring 5; Locking nut 6; Copper sheathing 7; Rigid ball 8; The 3rd spring 9; Haulage device chassis 100; Vibration damping suspension device 200; Wheel 300; Service bridge 400.
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
With reference to shown in Figure 1, the utility model provides the vibration damping suspension device of the heavy haulage device of a kind of movable type, can be applicable to various heavy haulage devices, to adapt to different loads, play favorable damping and cushioning effect, safe and reliable, it comprises cylindrical shell 1, piston rod 2, first spring 4 and second spring 5, and wherein, cylindrical shell 1 has an inner chamber, the upper end of this cylindrical shell 1 is provided with a center hole, and this cylindrical shell 1 general bigger metallic material of intensity that adopts; The lower end of described piston rod 2 connects a piston 3, and described piston rod 2 and piston 3 are arranged in the inner chamber of described cylindrical shell 1, and the upper end of piston rod 2 is stretched out by the center hole of described cylindrical shell 1 upper end; First spring 4 be mainly used in haulage device be in unloaded or less impact under play vibration damping and buffer function, second spring 5 is mainly used in being at haulage device and plays vibration damping and buffer function under heavy duty or the greater impact, this first spring 4 and second spring 5 adopt common spring silk spring, the [coefficient of of second spring 5 is greater than first spring, 4 [coefficient ofs, and the length of second spring 5 is less than first spring, 4 length, and described first spring 4 and second spring 5 are sheathed on respectively on the described piston rod 2; The lower end of described first spring 4 and described piston 3 upper surfaces offset, upper end and described cylindrical shell 1 upper end contacted inner surfaces; The lower end of described second spring 5 and described piston 3 upper surfaces offset, under nature, the upper end of described second spring 5 and described cylindrical shell 1 upper end internal surface have a spacing L, preferable, the external diameter of described first spring 4 is less than the external diameter of second spring 5, and described second spring 5 is sheathed on first spring, 4 outsides.When piston 3 is moved upward by external force, can make first spring 4 in the cylindrical shell 1 begin compression, this moment, piston rod 2 upper ends were protruded upward by the center hole of cylindrical shell 1 upper end, and piston rod 2 plays leading role, along with piston 3 continues to move upward, when the distance of piston 3 motion during greater than described spacing L, second spring 5 begins compression with first spring 4, at this moment, the same distance of piston 3 risings, then need bigger external force, remove external force after, piston 3 recovers deformation with first spring 4 and second spring 5 and resets.
With reference to shown in Figure 3, vibration damping suspension device 200 of the present utility model is when concrete the application, this cylindrical shell 1 is rigidly connected with haulage device chassis 100, piston 3 lower surfaces are connected with service bridge 400 between two wheels 300, when haulage device is under unloaded or the less impact, be subjected to impact force at service bridge 400, piston 3 moves upward, and first spring, 4 compressions of compression cylindrical shell 1 inside are because zero load and impact force are less, so second spring 5 can be not compressed or decrement is very little, therefore, at this moment, first spring 4 that [coefficient of is less, its decrement can satisfy unloaded requirement, has played the vibration reduction and cushioning effect under unloaded; When haulage device is under heavy duty or the greater impact, be subjected to impact force at service bridge 400, piston 3 moves upward, first spring, 4 compressions of compression cylindrical shell 1 inside, after first spring 4 is compressed, because impact force is bigger, piston 3 continues to rise, and then this moment, second spring 5 began compression with first spring 4, bigger because of second spring, 5 [coefficient ofs again, can bear greater impact power, therefore, at this moment, on the basis of first spring, 4 compressions, second spring 5 that [coefficient of is bigger is compressed, to adapt to greater impact power, has played the vibration reduction and cushioning effect under the heavy duty.
In addition, described piston rod 2 upper ends are connected with a locking nut 6, the lower end surface of described locking nut 6 and described cylindrical shell 1 upper end outer surface offset, can set first spring, 4 initial lengths by adjusting locking nut 6, first spring 4 is by secondary compression when being subjected to impact force, when initial length difference, when being subjected to onesize impact force, then initial length is big than long secondary compression amount, and initial length is little than short secondary compression amount, the size of decrement is the buffer shock-absorbing amplitude, so, and to adapt to different drivers different requirements to buffer shock-absorbing amplitude size under unloaded state.
Still with reference to shown in Figure 1, as further improvement of this embodiment, described piston rod 2 upper ends are provided with an air introduction hole 203, described cylindrical shell 1 upper end is provided with the damping hole 101 that is communicated with described cylindrical shell 1 inner chamber and external environment condition, gas in the cylindrical shell 1 can be discharged by damping hole 101, be provided with the one-way valve that enters described cylindrical shell 1 inner chamber in the permission outside air in the described air introduction hole 203, be provided with the air flow channel 202 of a described air introduction hole 203 of connection and described cylindrical shell 1 inner chamber in the described piston rod 2, the diameter of described damping hole 101 is less than the diameter of described air flow channel 202 and air introduction hole 203.Piston 3 is subjected to can overcoming first spring 4 after the impact force of service bridge 400 and/the second spring 5 elastic force shrink (moving upward) fast in cylindrical shell 1, because the one-way valve effect can only be discharged the gas of cylindrical shell 1 inner chamber from damping hole 101, because damping hole 101 diameters are very little, to forming certain obstruction through air-flow, cylindrical shell 1 inner chamber air pressure can raise, and then generation hinders the resistance that piston 3 moves upward, and piston 3 speed are more high, this resistance is more big, pressure can be able to be converted into heat energy during pressed gas process damping hole 101, this moment, the gas with heat was discharged from; After the external impact force of service bridge 400 disappears, first spring, 4 power and second spring 5 can promote piston 3 and move downward, at this moment, the air pressure of cylindrical shell 1 inner chamber has reduction trend, one-way valve opens, outside atmosphere can enter cylindrical shell 1 inner chamber simultaneously from air flow channel 202, damping hole 101, because the diameter of air flow channel 202 is bigger, gas mainly sucks from air flow channel 202; Therefore, this suspension arrangement can utilize 101 pairs of cylindrical shells of damping hole, 1 interior air resistance to play buffer function, can utilize the energy of external impact force to make cylindrical shell 1 inner chamber become a similar air pump structure again, constantly suck the cold air in the external environment condition circularly, the internal heat gas that will absorb the part impact energy then is discharged in the outside atmosphere, plays good thermolysis.
With reference to shown in Figure 2, in the present embodiment, described one-way valve comprises a rigid ball 8 and one the 3rd spring 9, described the 3rd spring 9 arranges in the described air introduction hole 203, described rigid ball 8 cards establish and described air introduction hole 203 and described the 3rd spring 9 upper ends between, so that allow outside air to be inhaled into described cylindrical shell 1 inner chamber, when first spring 4 and the 5 recovery deformation of second spring move downward piston 3 in cylindrical shell 1, cylindrical shell 1 air pressure inside descends, and external pressure is bigger, can make rigid ball 8 move downward, compress the 3rd spring 9, so that form the gap between the hole wall of rigid ball 8 and air introduction hole 203, one-way valve is opened, so, outside air can enter to air flow channel 202 by this gap, enters cylindrical shell 1 inner chamber by air flow channel 202, and when cylindrical shell 1 inside and outside air pressure balance, rigid ball 8 recovers deformation with the 3rd spring 9 and rises and air introduction hole 203 inner butts, forms air-tight state, i.e. closed check valve.
Still with reference to shown in Figure 1, further improvement as present embodiment, described cylindrical shell 1 comprises a body and is embedded in the copper sheathing 7 of described body lower end inwall, closely cooperate between described piston 3 and the described copper sheathing 7, form the first fricting movement pair, this copper sheathing 7 can be avoided piston 3 and cylindrical shell 1 inwall direct friction, causes problems such as cylindrical shell 1 damage.The lubricant oil of described cylindrical shell 1 inside is provided with annular oil guide slot 301 in described piston 3 circumferential surfaces, so that can enter in the gap of the described first fricting movement pair by annular oil guide slot 301.Described piston rod 2 closely cooperates with described cylindrical shell 1 upper end center bore inner wall, forms the second fricting movement pair; Be provided with the radial hole 302 that is communicated with described annular oil guide slot 301 in described piston 3 inside, be provided with the axial bore 201 that is communicated with described radial hole 302 in the described piston rod 2, described axial bore 201 upper ends communicate with described external environment condition.In cylindrical shell 1 inner chamber, be marked with a certain amount of lubricant grease, the iterative motion of piston 3 can constantly produce heat, can melt gradually when being raised to the uniform temperature lubricant grease, and outside atmosphere is sucked in the process of cylindrical shell 1 inside at piston 3, with the lubricant grease that melts by above-mentioned annular oil guide slot 301, radial hole 302 and axial bore 201 etc. continuously are pressed into each fricting movement pair, simultaneously, it is the concave face 102 of extreme lower position that described cylindrical shell 1 upper end outer surface is designed to described center hole, so, parts of lubricating oil fat can be collected at the concave face 102 of cylindrical shell 1 upper end again, and flow back into cylindrical shell 1 inner chamber by damping hole 101, the self-lubricating function that has circulation when making this vibration damping suspension device busy, the design of annular oil groove can be held more lubricating oil fat, prolong lubricant grease and inject blanking time, be conducive to reduce maintenance work personnel's labor intensity, can increase directly lubricated area again, can improve lubrication effect.Lubricated available fluid oil is available lubricant grease also, has reduced the requirement of suspension arrangement to sealing, and the product sealing configuration is simple, also can improve the Economy of product.
In sum, vibration damping and buffering that first spring 4 that the utility model utilization varies in size and second spring 5 are realized under the different loads, can obviously improve the damping performance under different operating modes, it is higher that while good performance of heat dissipation and lubricating condition make device have reliability, the characteristics that stream time is long have good usability and Economy.
Described above only is preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (10)
1. the vibration damping suspension device of the heavy haulage device of movable type, it is characterized in that: it comprises cylindrical shell, has an inner chamber, the upper end of this cylindrical shell is provided with a center hole;
Piston rod, the lower end of described piston rod connects a piston, and described piston rod and piston are arranged in the inner chamber of described cylindrical shell, and the upper end of piston rod is stretched out by the center hole on the described cylindrical shell;
First spring and second spring, the [coefficient of of described second spring be greater than the first spring [coefficient of, and the length of second spring is less than the first spring length, and described first spring and second spring are sheathed on respectively on the described piston rod; The lower end of described first spring and described piston upper surface offset, upper end and described cylindrical shell upper end contacted inner surfaces; The lower end of described second spring and described piston upper surface offset, and under nature, the upper end of described second spring and described cylindrical shell upper end internal surface have a spacing.
2. the vibration damping suspension device of the heavy haulage device of movable type according to claim 1 is characterized in that: described piston rod upper end is connected with a locking nut, and outer surface offsets on the lower end surface of described locking nut and the described cylindrical shell.
3. the vibration damping suspension device of the heavy haulage device of movable type according to claim 1, it is characterized in that: described piston rod upper end is provided with an air introduction hole, described cylindrical shell upper end is provided with the damping hole that is communicated with described cylinder lumen and external environment condition, be provided with the one-way valve that enters described cylinder lumen in the permission outside air in the described air introduction hole, be provided with the air flow channel of a described air introduction hole of connection and described cylinder lumen in the described piston rod.
4. the vibration damping suspension device of the heavy haulage device of movable type according to claim 1, it is characterized in that: described piston and described cylindrical shell lower end inwall closely cooperate, and form the first fricting movement pair; The lubricant oil of described inner barrel is provided with annular oil guide slot in described piston circumferential surface, so that can enter in the gap of the described first fricting movement pair by annular oil guide slot.
5. the vibration damping suspension device of the heavy haulage device of movable type according to claim 4 is characterized in that: described piston rod and described cylindrical shell upper end center bore inner wall closely cooperate, and form the second fricting movement pair; Be provided with the radial hole that is communicated with described annular oil guide slot in described internal piston, be provided with the axial bore that is communicated with described radial hole in the described piston rod, described axial bore upper end communicates with described external environment condition.
6. the vibration damping suspension device of the heavy haulage device of movable type according to claim 4, it is characterized in that: described cylindrical shell comprises a body and is embedded in the copper sheathing of described body lower end inwall, forms the described first fricting movement pair between described piston and the described copper sheathing.
7. the vibration damping suspension device of the heavy haulage device of movable type according to claim 5 is characterized in that: described cylindrical shell upper end outer surface is for being the concave face of extreme lower position with described center hole.
8. the vibration damping suspension device of the heavy haulage device of movable type according to claim 3, it is characterized in that: the diameter of described damping hole is less than described air flow channel diameter, so that when second spring was received the external impact force compresses, described cylinder lumen pressure increased, form buffering.
9. the vibration damping suspension device of the heavy haulage device of movable type according to claim 3, it is characterized in that: described one-way valve comprises a rigid ball and one the 3rd spring, described the 3rd spring arranges in the described air introduction hole, described rigid ball card establish and described air introduction hole and described the 3rd spring upper end between so that allow outside air to be inhaled into described cylinder lumen.
10. the vibration damping suspension device of the heavy haulage device of movable type according to claim 1, it is characterized in that: the external diameter of described first spring is less than the external diameter of second spring, and described second spring housing is located at the first spring outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320138849 CN203189599U (en) | 2013-03-25 | 2013-03-25 | Vibration reduction suspension device of movable type heavy transportation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320138849 CN203189599U (en) | 2013-03-25 | 2013-03-25 | Vibration reduction suspension device of movable type heavy transportation equipment |
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| Publication Number | Publication Date |
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| CN203189599U true CN203189599U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320138849 Expired - Lifetime CN203189599U (en) | 2013-03-25 | 2013-03-25 | Vibration reduction suspension device of movable type heavy transportation equipment |
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| Country | Link |
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| CN (1) | CN203189599U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327536A (en) * | 2017-08-29 | 2017-11-07 | 温州优比科实业有限公司 | A kind of bourdon tube |
| CN109404351A (en) * | 2018-12-07 | 2019-03-01 | 安徽江淮汽车集团股份有限公司 | Pressure regulators accumulators |
| CN115071351A (en) * | 2022-05-31 | 2022-09-20 | 上海智远弘业智能技术股份有限公司 | Shock attenuation buffering suspension structure of wheat wheel actuating mechanism |
| CN118129000A (en) * | 2024-05-07 | 2024-06-04 | 大庆恒驰电气有限公司 | Supporting and hanging bracket device for electromechanical installation of building |
-
2013
- 2013-03-25 CN CN 201320138849 patent/CN203189599U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327536A (en) * | 2017-08-29 | 2017-11-07 | 温州优比科实业有限公司 | A kind of bourdon tube |
| CN109404351A (en) * | 2018-12-07 | 2019-03-01 | 安徽江淮汽车集团股份有限公司 | Pressure regulators accumulators |
| CN115071351A (en) * | 2022-05-31 | 2022-09-20 | 上海智远弘业智能技术股份有限公司 | Shock attenuation buffering suspension structure of wheat wheel actuating mechanism |
| CN118129000A (en) * | 2024-05-07 | 2024-06-04 | 大庆恒驰电气有限公司 | Supporting and hanging bracket device for electromechanical installation of building |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200513 Address after: 414002 workshop 9, Jihua 3517 Industrial Park, Chenglingji port area, Yueyang City, Hunan Province Patentee after: YUEYANG SHANYI TECHNOLOGY Co.,Ltd. Address before: 410000 Hunan province Changsha Yuhua District of Shaoshan City Road No. 127 Hunan District 39 building 201 room Patentee before: Deng Ximei |
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| TR01 | Transfer of patent right | ||
| DD01 | Delivery of document by public notice |
Addressee: Deng Ximei Document name: Notice of conformity |
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| DD01 | Delivery of document by public notice | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
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| CX01 | Expiry of patent term |