CN204210434U - Hydraulic support leg and engineering vehicle - Google Patents
Hydraulic support leg and engineering vehicle Download PDFInfo
- Publication number
- CN204210434U CN204210434U CN201420663794.5U CN201420663794U CN204210434U CN 204210434 U CN204210434 U CN 204210434U CN 201420663794 U CN201420663794 U CN 201420663794U CN 204210434 U CN204210434 U CN 204210434U
- Authority
- CN
- China
- Prior art keywords
- supporting leg
- hydraulic ram
- tapered cup
- cup nut
- strut bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a hydraulic support leg and an engineering vehicle, which comprises a hydraulic cylinder, a support leg shell (2) and a support rod part, one end of the supporting leg shell (2) is connected with the end part of the cylinder body (1) of the hydraulic cylinder, which is used for extending the piston rod (3), the port of the other end is formed into an opening, which is used for extending the supporting rod part, the supporting rod part is the piston rod (3) accommodated in the supporting leg shell (2) or a supporting rod (9) connected with the piston rod (3), wherein, the periphery of the supporting rod part is provided with an external thread, the hydraulic supporting leg also comprises a locking device, the locking device comprises a locking piece and a fastening device, wherein the locking piece is provided with an internal thread and can be sleeved on the periphery of the supporting rod part in a thread fit mode, and the fastening device is used for enabling the locking piece to be connected and fixed to the other end of the supporting rod shell (2). The locking reliability of the hydraulic support leg is high, and the hydraulic support leg can be particularly suitable for the severe environment with more dust and the working condition with larger vibration.
Description
Technical field
The utility model relates to hydraulic mechanical device field, particularly, relates to a kind of hydraulic ram and engineering truck.
Background technology
Along with the fast development of engineering truck, the requirement of people to engineering truck repacking function is more and more higher, to get rid of the superimposed trailer hung.In order to ensure the safety and stability (especially this platform is high-frequency vibration platform) of workplatform on superimposed trailer, all be equipped with chassis support leg before and after chassis of semi-trailer, the chassis support leg adopted at present can be divided into mechanical type and fluid pressure type two kinds usually by version.
Wherein, mechanical type supporting leg has supporting & stablizing, prevents the advantages such as landing, accurate positioning, but the operation of mechanical type supporting leg is wasted time and energy, and on the tire mobile unit car requiring to operate quickly and easily, the use of mechanical type supporting leg has significant limitation.Therefore, hydraulic ram is easy to operate with it, installing space is changeable, bearing force is large and be able to widespread use on tire mobile unit car.But because hydraulic efficiency pressure system self exists the limitation being difficult to overcome, let out as interior, stain resistance difference etc., cause it to there will be the phenomenon that automatically declines under long-time load, if excessive from discharge, can cause device damage, even occur human casualty accident.Although a lot of hydraulic pressure producer adopts the hydraulic units such as hydraulic lock to be optimized design, but still there will not be the problem from letting out decline after cannot ensureing the long-time load of hydraulic ram.
Therefore, hydraulic ram of the prior art is all equipped with lockable mechanism, a kind of lockable mechanism for relying on gravity to carry out locking, thus the situation that workplatform is high-frequency vibration can not be applicable to, and this lockable mechanism carries out locking by the mode of tapered end and tooth bar, for there being a grade locking, be not suitable for the situation that requirement for horizontality is high, another kind of lockable mechanism of the prior art relies on the friction force splitting the ball screw surface of latch segment and hydraulic ram to carry out locking to hydraulic ram, require high to the surface processing accuracy of the ball screw of hydraulic ram like this, and the friction force split when high-frequency vibration between latch segment and bulb surface may reduce, cause locking poor reliability, moreover, if under this hydraulic ram is in the more harsh environment of dust, these dust can between open locking block and bulb surface, and then also can affect the friction force between them and cause locking unreliable.
Given this, be necessary to provide a kind of novel hydraulic ram, to overcome or to alleviate above-mentioned defect.
Utility model content
An object of the present utility model is to provide a kind of hydraulic ram, and the locking reliability of this hydraulic ram is strong, especially can be adapted to the more harsh environment of dust and vibrate larger operating mode.
Another object of the present utility model is to provide a kind of engineering truck, the hydraulic ram that this project vehicle uses the utility model to provide.
To achieve these goals, the utility model provides a kind of hydraulic ram, comprise hydraulic actuating cylinder, supporting leg shell and strut bar portion, one end of described supporting leg shell is connected with the end supplying piston rod to stretch out of the cylinder body of described hydraulic actuating cylinder, the port of the other end is formed as the opening stretched out for described strut bar portion, described strut bar portion is contained in the described piston rod in described supporting leg shell or the strut bar for being connected with described piston rod, wherein, the periphery in described strut bar portion is formed with outside thread, described hydraulic ram also comprises Locking Device, described Locking Device comprise there is negative thread and the lock piece that can be set in the periphery in described strut bar portion screw thread fit with for making described lock piece be connected and being fixed on the securing device of the described other end of described supporting leg shell.
Preferably, described lock piece and the contact surface each other for contacting connection of the described other end of described supporting leg shell are respectively the dip plane that the axis direction along described piston rod tilts.
Preferably, described lock piece is tapered cup nut, the dip plane of described lock piece is the male cone (strobilus masculinus) of described tapered cup nut, described opening is tapered opening, the dip plane of the described other end of described supporting leg shell is the inner conical surface of described opening, the small end of described tapered cup nut is towards described supporting leg shell, and the large end of described tapered cup nut deviates from described supporting leg shell.
Preferably, described tapered cup nut also comprises clearance portion, and described clearance portion makes the mounting hole of described tapered cup nut along the radial direction of described tapered cup nut and described tapered cup nut ft connection.
Preferably, described tapered cup nut comprises multiple nut lobes of the circumferential directions along described tapered cup nut, and described multiple nut lobe removably connects.
Preferably, the periphery of the described other end of described supporting leg shell is provided with the first connecting portion, and the periphery of the large end of described tapered cup nut is provided with the second connecting portion, and described securing device comprises the screw rod for fixing described first connecting portion and described second connecting portion.
Preferably, described securing device also comprises pressing plate, described second connecting portion is the hinged screw of the large end inserting described tapered cup nut, the one end with articulated section and the described hinged screw of described screw rod are hinged, the other end is set with described pressing plate, one in described first connecting portion and described pressing plate is formed with lug boss, and another one is formed with recess, described pressing plate being made to be fixed on described first connecting portion by being inserted in the female portion by described lug boss.
Preferably, described supporting leg shell is provided with the sensor of the overhang for detecting described strut bar portion.
Preferably, described negative thread and described outside thread are respectively Acme thread.
Preferably, the one end away from described cylinder body in described strut bar portion is connected with supporting leg seat, and the ball slot fit of the bulb of the one end away from described cylinder body in this strut bar portion and described supporting leg seat.
In addition, the utility model also provides a kind of engineering truck, wherein, and the hydraulic ram described in the with good grounds technique scheme of this project vehicle set.
Pass through technique scheme, in the hydraulic ram that the utility model provides, can by screw thread fit be set in the periphery in described strut bar portion lock piece with for described lock piece is connected and be fixed on the described other end of described supporting leg shell securing device and by hydraulic ram locking effectively, this form by screw thread locking can meet for a long time, the requirement of large load support, reliability is strong, and the reliability of screw thread locking is enough to adapt to the more harsh environment of dust, and the optional position that lock piece can be rotated to strut bar portion, realize the stepless of supporting leg to stretch out, for the high precision leveling realizing supporting leg lays the first stone.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the hydraulic ram according to embodiment of the present utility model, and the piston rod of the hydraulic actuating cylinder of wherein said hydraulic ram is in the state of stretching out.
Fig. 2 is the structural representation of the hydraulic ram according to embodiment of the present utility model, and the piston rod of the hydraulic actuating cylinder of wherein said hydraulic ram is in retracted mode.
Fig. 3 is the upward view of the tapered cup nut according to embodiment of the present utility model.
Description of reference numerals
1 cylinder body 2 supporting leg shell
3 piston rod 4 tapered cup nuts
The hinged screw of 5 screw rod 6
7 sensor 8 supporting leg seats
9 strut bar 10 pressing plates
41 clearance portion
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, term " first ", " second " object only for describing, and instruction can not be interpreted as or imply its significance level or the implicit quantity indicating indicated technical characteristic.In addition, in description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with embodiment.
See Fig. 1 and Fig. 2, according to an aspect of the present utility model, provide a kind of hydraulic ram, this hydraulic ram comprises hydraulic actuating cylinder, supporting leg shell 2 and strut bar portion, one end of supporting leg shell 2 is connected with the end supplying piston rod 3 to stretch out of the cylinder body 1 of hydraulic actuating cylinder, the port of the other end is formed as the opening stretched out for strut bar portion, strut bar portion is contained in the piston rod 3 in supporting leg shell 2 or the strut bar 9 for being connected with piston rod 3, wherein, the periphery in strut bar portion is formed with outside thread, hydraulic ram also comprises Locking Device, Locking Device comprise there is negative thread and the lock piece that can be set in the periphery in strut bar portion screw thread fit with for making lock piece be connected and being fixed on the securing device of the other end of supporting leg shell 2.
As mentioned above, in the hydraulic ram that the utility model provides, can by screw thread fit be set in the periphery in described strut bar portion lock piece with for described lock piece is connected and be fixed on the other end of supporting leg shell 2 securing device and by hydraulic ram locking effectively, this form by screw thread locking can meet for a long time, the requirement of large load support, reliability is strong, and the reliability of screw thread locking is enough to adapt to the more harsh environment of dust, and the optional position that lock piece can be rotated to strut bar portion, realize the stepless of supporting leg to stretch out, for the high precision leveling realizing supporting leg lays the first stone.In addition, can realize the high precision leveling to the workplatform that this hydraulic ram supports by the operation format of this hydraulic lifting of fluid control piston rod 3 fore and aft motion, and hydraulic lifting speed is fast, labour intensity is low.Above-mentioned negative thread and externally threaded concrete form are also not particularly limited, but are preferably the Acme thread that power transmission is large, self-lock ability is strong and easy to process.
Be connected better each other to make lock piece and supporting leg shell 2 and fix thus realize more effectively locking hydraulic ram, lock piece and the contact surface each other for contacting connection of the other end of supporting leg shell 2 can be respectively the dip plane that the axis direction along piston rod 3 tilts, thus, lock piece is connected to each other with supporting leg shell 2 and lock piece more closely can be contacted each other with supporting leg shell 2 by the guiding of respective dip plane in the process of fixing.Being described as what setting " dip plane " more intuitively below in conjunction with preferred implementation of the present utility model can make lock piece more closely contact each other with supporting leg shell 2.Still see Fig. 1 or Fig. 2, according to preferred implementation of the present utility model, lock piece can be tapered cup nut 4, the dip plane of lock piece can be the male cone (strobilus masculinus) of tapered cup nut 4, opening is tapered opening, the dip plane of the other end of supporting leg shell 2 can be the inner conical surface of opening, the small end of tapered cup nut 4 is towards supporting leg shell 2, the large end of tapered cup nut 4 deviates from supporting leg shell 2, specifically for Fig. 1, if now tapered cup nut 4 is up screwed onto when to fit with the inner conical surface of the other end of supporting leg shell 2 and to tighten further, the inner conical surface of the other end of supporting leg shell 2 can produce squeese pressure along piston rod 3 radial direction to tapered cup nut 4, thus make tapered cup nut 4 hold strut bar portion tightly, obvious like this can more effectively with tapered cup nut 4 by strut bar portion locking, the locking reliability of this hydraulic ram is improve from another aspect.
As can be seen from Figure 3, tapered cup nut 4 can also comprise clearance portion 41 and (from figure, be seen as the form of grooving, but the utility model is not limited thereto), clearance portion 41 makes the mounting hole of tapered cup nut 4 along the radial direction of tapered cup nut 4 and tapered cup nut 4 ft connection.The benefit arranging this clearance portion 41 is to make tapered cup nut 4 to hold strut bar 9 tightly when the extruding of inner conical surface of the other end being subject to supporting leg shell 2, further enhancing the locking reliability of the hydraulic ram that the utility model provides.
In addition, tapered cup nut 4 can have various ways, such as integral type, or tapered cup nut 4 can comprise multiple nut lobes of the circumferential directions along tapered cup nut 4, and multiple nut lobe removably connects.Like this strut bar 9 by the retracted mode in Fig. 2 arrive in Fig. 1 stretch out state time, without the need to tapered cup nut 4 is threaded to upper end from the lower end of strut bar 9, but multiple nut lobe can be disassembled from the lower end of strut bar 9, and then multiple nut lobe is mounted to the upper end of strut bar 9, considerably reduce labour intensity and the time of operator like this.
In addition, the periphery of the other end of supporting leg shell 2 is provided with the first connecting portion, and the periphery of the large end of tapered cup nut 4 is provided with the second connecting portion, and securing device comprises the screw rod 5 for fixing the first connecting portion and the second connecting portion.Particularly, securing device can also comprise pressing plate 10, second connecting portion is the hinged screw 6 of the large end inserting tapered cup nut 4, the one end with articulated section and the hinged screw 6 of screw rod 5 are hinged, the other end is set with pressing plate 10, one in first connecting portion and pressing plate 10 is formed with lug boss, and another one is formed with recess, pressing plate 10 being made to be fixed on the first connecting portion by being inserted in recess by lug boss.Certainly, in order to fixation clip 10, the position being positioned at pressing plate 10 both sides on screw rod 5 can be separately installed with clamp nut.Like this, make when unscrewing clamp nut pressing plate 10 away from first connecting portion motion and make lug boss and recess separated from one another time, screw rod 5 can be made to turn to around the position hinged with hinged screw 6 first connecting portion and the second connecting portion are unclamped each other.Be understandable that, with securing device fix the first connecting portion and the second connecting portion so that supporting leg shell 2 and tapered cup nut 4 are fixed to one another process in contrast, repeat no more here.
It can also be seen that from Fig. 1 or Fig. 2, supporting leg shell 2 can be provided with the sensor 7 of the overhang for detecting strut bar portion, thus when strut bar portion overhang reaches control position, in time signal can be passed to control mechanism control strut bar portion and stop stretching out.
In addition, for the ease of supporting, the one end away from cylinder body 1 in strut bar portion is connected with supporting leg seat 8, and the bulb of the one end away from cylinder body 1 in this strut bar portion and the ball slot fit of supporting leg seat 8.And the utility model is not limited thereto.
According to another aspect of the present utility model, also provide a kind of engineering truck, such as superimposed trailer etc., wherein, hydraulic ram described in the with good grounds technique scheme of this project vehicle set, particularly, can install this hydraulic ram before and after the chassis of this project vehicle.Owing to refer to the many advantages of this hydraulic ram above, this has improve the overall performance of the engineering truck being provided with this hydraulic ram undoubtedly.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (11)
1. a hydraulic ram, comprise hydraulic actuating cylinder, supporting leg shell (2) and strut bar portion, one end of described supporting leg shell (2) is connected with the end supplying piston rod (3) to stretch out of the cylinder body (1) of described hydraulic actuating cylinder, the port of the other end is formed as the opening stretched out for described strut bar portion, described strut bar portion is for being contained in the described piston rod (3) in described supporting leg shell (2) or the strut bar (9) for being connected with described piston rod (3), it is characterized in that, the periphery in described strut bar portion is formed with outside thread, described hydraulic ram also comprises Locking Device, described Locking Device comprise there is negative thread and the lock piece that can be set in the periphery in described strut bar portion screw thread fit with for making described lock piece be connected and being fixed on the securing device of the described other end of described supporting leg shell (2).
2. hydraulic ram according to claim 1, it is characterized in that, described lock piece and the contact surface each other for contacting connection of the described other end of described supporting leg shell (2) are respectively the dip plane that the axis direction along described piston rod (3) tilts.
3. hydraulic ram according to claim 2, it is characterized in that, described lock piece is tapered cup nut (4), the dip plane of described lock piece is the male cone (strobilus masculinus) of described tapered cup nut (4), described opening is tapered opening, the dip plane of the described other end of described supporting leg shell (2) is the inner conical surface of described opening, the small end of described tapered cup nut (4) is towards described supporting leg shell (2), and the large end of described tapered cup nut (4) deviates from described supporting leg shell (2).
4. hydraulic ram according to claim 3, it is characterized in that, described tapered cup nut (4) also comprises clearance portion (41), and described clearance portion (41) makes the mounting hole of described tapered cup nut (4) along the radial direction of described tapered cup nut (4) and described tapered cup nut (4) ft connection.
5. hydraulic ram according to claim 3, is characterized in that, described tapered cup nut (4) comprises multiple nut lobes of the circumferential directions along described tapered cup nut (4), and described multiple nut lobe removably connects.
6. hydraulic ram according to claim 3, it is characterized in that, the periphery of the described other end of described supporting leg shell (2) is provided with the first connecting portion, the periphery of the large end of described tapered cup nut (4) is provided with the second connecting portion, and described securing device comprises the screw rod (5) for fixing described first connecting portion and described second connecting portion.
7. hydraulic ram according to claim 6, it is characterized in that, described securing device also comprises pressing plate (10), described second connecting portion is the hinged screw (6) of the large end inserting described tapered cup nut (4), the one end with articulated section and the described hinged screw (6) of described screw rod (5) are hinged, the other end is set with described pressing plate (10), one in described first connecting portion and described pressing plate (10) is formed with lug boss, another one is formed with recess, described pressing plate (10) being made to be fixed on described first connecting portion by being inserted in the female portion by described lug boss.
8. hydraulic ram as claimed in any of claims 1 to 7, is characterized in that, described supporting leg shell (2) is provided with the sensor (7) of the overhang for detecting described strut bar portion.
9. hydraulic ram as claimed in any of claims 1 to 7, is characterized in that, described negative thread and described outside thread are respectively Acme thread.
10. hydraulic ram as claimed in any of claims 1 to 7, it is characterized in that, the one end away from described cylinder body (1) in described strut bar portion is connected with supporting leg seat (8), and the bulb of the one end away from described cylinder body (1) in this strut bar portion and the ball slot fit of described supporting leg seat (8).
11. 1 kinds of engineering trucks, is characterized in that, the hydraulic ram in the with good grounds claim 1 to 10 of this project vehicle set described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663794.5U CN204210434U (en) | 2014-11-07 | 2014-11-07 | Hydraulic support leg and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663794.5U CN204210434U (en) | 2014-11-07 | 2014-11-07 | Hydraulic support leg and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204210434U true CN204210434U (en) | 2015-03-18 |
Family
ID=52979136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420663794.5U Expired - Fee Related CN204210434U (en) | 2014-11-07 | 2014-11-07 | Hydraulic support leg and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204210434U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275618A (en) * | 2018-02-12 | 2018-07-13 | 上海外高桥造船有限公司 | A kind of threaded support bar of locking device |
| CN108862086A (en) * | 2018-08-15 | 2018-11-23 | 太原重工股份有限公司 | Hanging device jacking apparatus and its application method |
| CN111688649A (en) * | 2020-06-19 | 2020-09-22 | 杭州恒领科技有限公司 | Transportation vehicle supporting and positioning device with V2X smart antenna |
| CN113442668A (en) * | 2021-06-01 | 2021-09-28 | 胡素珍 | Mine repair auxiliary fixing mechanism capable of avoiding slipping |
-
2014
- 2014-11-07 CN CN201420663794.5U patent/CN204210434U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275618A (en) * | 2018-02-12 | 2018-07-13 | 上海外高桥造船有限公司 | A kind of threaded support bar of locking device |
| CN108862086A (en) * | 2018-08-15 | 2018-11-23 | 太原重工股份有限公司 | Hanging device jacking apparatus and its application method |
| CN111688649A (en) * | 2020-06-19 | 2020-09-22 | 杭州恒领科技有限公司 | Transportation vehicle supporting and positioning device with V2X smart antenna |
| CN113442668A (en) * | 2021-06-01 | 2021-09-28 | 胡素珍 | Mine repair auxiliary fixing mechanism capable of avoiding slipping |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204210434U (en) | Hydraulic support leg and engineering vehicle | |
| CN205201067U (en) | Anchor clamps are used in processing of fork truck portal support pilot hole | |
| CN204263855U (en) | A kind of towing hook and there is the automobile of this towing hook | |
| CN104227604A (en) | Gyroscope mounting fixture of automobile operation stability testing instrument | |
| CN203658065U (en) | Automobile pedal stroke limiting device | |
| CN204237504U (en) | A kind of detachable hanging device for heavily loaded tractor-truck | |
| CN206040357U (en) | Multi -functional transformer foundation | |
| CN203228686U (en) | Integrated hydraulic lifting system | |
| CN103645058A (en) | Tubular rear auxiliary frame assembly test device | |
| CN204161020U (en) | A kind of integral type classification load carrier | |
| CN203566637U (en) | Device for compressing and disassembling sieve cover rapidly | |
| CN204151024U (en) | A kind of fork truck lifting oil cylinder fixed mechanism | |
| CN202518035U (en) | Suspension spherical shell of automobile chassis | |
| CN106015172A (en) | Lug ring type hydraulic cylinder displacement sensor installation structure | |
| CN202491639U (en) | Spherical shell of automobile chassis | |
| CN202491845U (en) | Spherical shell of automotive chassis | |
| CN106078599A (en) | A kind of instrument for dismantling bogie central traction apparatus | |
| CN206766109U (en) | A kind of bracket assembly of adjustable steering tube column | |
| CN203567814U (en) | Width-adjustable auxiliary beam bearing mechanism | |
| CN204567162U (en) | Device for monitoring tyre pressure | |
| CN202125498U (en) | Axial fixing device for pin shaft of crane | |
| CN204415150U (en) | A kind of transmission shaft flange york structure, a kind of driving system and a kind of automobile | |
| CN202491842U (en) | Spherical housing forge piece for pull rod | |
| CN204021635U (en) | A kind of boats and ships LNG fuel tank swash plate apparatus | |
| CN203974468U (en) | A kind of automobile front axle lateral stability rod connecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170621 Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Patentee after: ZOOMLION ENVIRONMENTAL INDUSTRY Co.,Ltd. Address before: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu Lugu office building No. 288 room 3020 Co-patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Patentee before: ZOOMLION MATERIAL HANDLING EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20161107 |