CN203581152U - Combined mechanical type automobile-cab overturning device - Google Patents
Combined mechanical type automobile-cab overturning device Download PDFInfo
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- CN203581152U CN203581152U CN201320783825.6U CN201320783825U CN203581152U CN 203581152 U CN203581152 U CN 203581152U CN 201320783825 U CN201320783825 U CN 201320783825U CN 203581152 U CN203581152 U CN 203581152U
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- rack
- tooth bar
- turnover device
- hinged
- rack bracket
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Abstract
The utility model discloses a combined mechanical type automobile-cab overturning device. The combined mechanical type automobile-cab overturning device comprises a sector-shaped gear, a rocking arm, a rack, a rack guide device, a connecting rod and a pushing and pulling device, wherein the sector-shaped gear is arranged under a cab and is rotatably connected onto an automobile-body girder; the rocking arm is fixedly connected with the sector-shaped gear; the rack is meshed with the sector-shaped gear; the rack guide device is used for guiding the rack to move; the connecting rod is used for driving the cab to rotate around the overturning fulcrum; the pushing and pulling device is arranged on the automobile-body girder and is used for driving the rack to move; one end of the rocking arm is fixedly connected on the sector-shaped gear, one end of the connecting rod is hinged with to the other end of the rocking arm and the other end of the connecting rod is hinged with to a skeleton at the bottom part of the cab; the pushing and pulling device comprises a screw rod, a worm wheel and a worm matched with the worm wheel; the central part of the worm wheel is provided with a thread hole matched with the screw rod; and the output end of the screw rod is connected with one end of the rack. The combined mechanical type automobile-cab overturning device disclosed by the utility model is good in safety performance, and not only is applicable to heavy trucks, but also is applicable to small and medium trucks.
Description
Technical field
The utility model relates to a kind of automobile driving cabin overturning device, particularly relates to a kind of combination machinery formula turnover device for automobile cab.
Background technology
In Prospect in Modern Auto Manufacture Industry, the proportion of cab over type truck in truck sharply rises, the upset that cab over type truck mostly relates to operator's compartment checks and the needs that keep in repair devices such as below driving engines to meet, a kind of torsion bar device of the normal employing of middle-size and small-size cab-over-engine truck, rely on manpower election effect and by the pre-torsional interaction of torsion bar to realize the upset of operator's compartment, large-scale and heavy duty truck takes take the devices such as hydraulic technique as main turning device mostly, conventionally by Hydraulic Pump, elevating ram, the formations such as hydraulic control lock integrate upset and latch functions, and the system of tool relative independentability.
Effect based on switching mechanism and operating characteristic thereof, require it must there is very high safety, especially for heavy card, in upset and reseting procedure, switching mechanism must have for the Action of Gravity Field of operator's compartment failure-free auto-lock function, with guarantee operator's compartment can be randomly by parked in a certain position.Require reversal rate in relatively mild, must not have and relate to safe impact phenomenon simultaneously.
Existing switching mechanism, torsion bar class is not had an auto-lock function, is not suitable for heavily card.Though the common advantage of hydraulic pressure class tool hydraulic efficiency equipment, forms a closely-related total system by Hydraulic Pump, elevating ram and hydraulic lock etc., wherein arbitrary part et out of order all easily causes turn over function cannot realize and relate to safety.In addition, external environment condition feature based on this device and operating characteristic (for a long time in off working state), easily cause air and sneak into, and the auto-lock function building on Hydraulic Balancing Circuit principle basis is encroached on, thereby initiation dysfunction, that is the reliability of auto-lock function has to be hoisted.Moreover hydraulic component, because higher grade of processing, also causes the problem of manufacturing with maintenance cost and highlights, the application of more sealing member also restricts service life and the cycle of single unit system to a certain extent.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of combination machinery formula turnover device for automobile cab is provided.The safety performance of this combination machinery formula turnover device for automobile cab is good, has both been applicable to heavy duty truck, is also applicable to middle-size and small-size truck.
For achieving the above object, the technical solution adopted in the utility model is: combination machinery formula turnover device for automobile cab, it is characterized in that: comprise and be arranged on under-cab and be rotatably connected on the quadrant gear on car body crossbeam, the rocking arm being connected with quadrant gear, the tooth bar being meshed with quadrant gear, tooth bar guide piece and the connecting rod for driving operator's compartment to rotate around overturning pivot for guiding tooth bar to move, and be arranged on the load push-pull on car body crossbeam and for moving with carry-over bar; One end of described rocking arm is fixedly connected on quadrant gear, and one end of described connecting rod and the other end of rocking arm are hinged, and the other end of described connecting rod and operator's compartment bottom skeleton are hinged; Described load push-pull comprise screw rod, worm gear and with the suitable worm screw of worm gear, the centre of described worm gear offers the tapped bore suitable with screw rod, the mouth of described screw rod is connected with one end of tooth bar.
Above-mentioned combination machinery formula turnover device for automobile cab, it is characterized in that: described tooth bar guide piece comprises rack bracket, described tooth bar is arranged in rack bracket, in described rack bracket, be provided with rack guide rail, the bottom of described tooth bar is provided with the guide chute with rack guide rail bearing fit.
Above-mentioned combination machinery formula turnover device for automobile cab, is characterized in that: the two ends of described rack bracket are respectively arranged with for limiting the first locating dowel pin and second locating dowel pin of tooth bar miles of relative movement.
Above-mentioned combination machinery formula turnover device for automobile cab, it is characterized in that: one end of described rack bracket is connected with the shell of load push-pull, the below of described rack bracket is provided with the control apparatus for adjusting gear rack bracket locations, described control apparatus comprises anchor plate and the hanger being connected with rack bracket, described anchor plate is hinged by bolt and car body crossbeam, one end of described anchor plate and the bar hole on hanger are hinged, and the other end of described anchor plate is equiped with for adjusting the set screw of anchor plate and rack bracket relative position.
Above-mentioned combination machinery formula turnover device for automobile cab, is characterized in that: the cross-sectional plane of described rack bracket is " U " shape.
Above-mentioned combination machinery formula turnover device for automobile cab, is characterized in that: rear defence guard shield is installed on described rack bracket.
Above-mentioned combination machinery formula turnover device for automobile cab, is characterized in that: one end of described connecting rod is hinged by " L " shape chute and operator's compartment bottom skeleton.
Above-mentioned combination machinery formula turnover device for automobile cab, it is characterized in that: described load push-pull is hinged by the pipe connecting piece of adapter shaft and car body crossbeam, on described adapter shaft and with the outer circumference surface of car body crossbeam connecting portion on offer the circular groove moving for restrictive axial.
Above-mentioned combination machinery formula turnover device for automobile cab, is characterized in that: described screw rod and tooth bar are hinged.
Above-mentioned combination machinery formula turnover device for automobile cab, it is characterized in that: the shell right-hand member of described load push-pull is equiped with end cap, on described end cap, be equiped with flange, on described flange, be equiped with front protective cover, on described screw rod, offer axially directed groove, on described flange, be provided with the orienting lug with described axially directed groove bearing fit.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design.
2, the utility model is according to functional requirement, and work and operating skill demand, under particular constraints condition, use limited traditional standard member to implement the efficient combination of multiple type of drive and structure, outstanding design reasonable and novel.Than the switching mechanism of torsion bar type, because himself has self-locking property, so more meet the gap of the manual operation feature of exerting oneself.(torsion bar class is not had a self-locking performance, and switching process disapproves intermittently).
3, the utility model is than the switching mechanism that utilizes hydraulic technique, the reliability of self-locking property greatly promotes, the fault rate that outstanding relative independentability can cause turn over function declines to a great extent, can enhance at double the service life that mainly depends on member mechanics key element, simultaneously because working accuracy grade is not high, also can make manufacturing cost be declined, and be convenient to install and safeguard.
4, the utility model type of drive is optional, and desirable manpower crank drives, also desirable small-sized DC slowspeed machine; Applied widely, the driver's cab turnover of applicable all types of cab-over-engine trucks, is particularly suited for heavy duty truck, is convenient to promote the use of.
In sum, the utility model is simple in structure, and rationally novel in design, functional reliability is high, long service life, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the assembly relation schematic diagram of the utility model tooth bar and load push-pull and quadrant gear.
Fig. 3 is the A-A cutaway view in Fig. 2.
Fig. 4 is the B-B cutaway view in Fig. 2.
Fig. 5 is the constructional drawing of the utility model connecting rod.
Fig. 6 is the C-C cutaway view in Fig. 5.
Description of reference numerals:
1-crank; 2-crank bracket; 3-load push-pull;
3-1-worm gear; 3-2-worm screw; 3-2-1-twist pin;
3-3-screw rod; 3-3-1-axially directed groove; 3-4-end cap;
3-5-thrust baring; 3-6-flange; 3-7-the first attaching screw;
3-8-the second attaching screw; 3-9-front protective cover; 3-10-orienting lug;
3-11-three attaching screw; 3-12-four attaching screw; 3-13-five attaching screw;
3-14-link pin; 3-15-connecting shaft end cap; 3-16-six attaching screw;
3-17-front end cover; 3-18-seven attaching screw; 3-19-tuning support;
3-20-the first bolt; 3-21-adapter shaft; 3-22-circular groove;
3-23-shell; 4-tooth bar; 4-1-guide chute;
5-bolster; 6-tooth bar guide piece; 6-1-rack bracket;
6-2-rack guide rail; 6-3-the second tightening screw; 6-4-the first locating dowel pin;
6-5-the second locating dowel pin; 7-quadrant gear; 7-1-copper sheathing;
8-rocking arm; 8-1-the first tightening screw; 9-oscillating bearing;
10-connecting rod; 11-car front-wheel; 12-car body crossbeam;
15-operator's compartment bottom skeleton; 16-operator's compartment; 17-" L " shape chutes;
18-overturning pivot; 20-control apparatus; 20-1-hanger;
20-2-the second bolt; 20-3-bolt; 20-4-anchor plate;
20-5-set screw; 21-rear defence guard shield; 22-bolt sleeve;
23-bearing support; 24-jam nut; 25-protective cover.
The specific embodiment
A kind of combination machinery formula turnover device for automobile cab as shown in Figure 1, Figure 2, Figure 3 and Figure 4, comprise and be arranged on operator's compartment 16 belows and be rotatably connected on the quadrant gear 7 on car body crossbeam 12, the rocking arm 8 being connected with quadrant gear 7, the tooth bar 4 being meshed with quadrant gear 7, tooth bar guide piece 6 and the connecting rod 10 for driving operator's compartment 16 to rotate around overturning pivot 18 for guiding tooth bar 4 to move, and be arranged on the load push-pull 3 on car body crossbeam 12 and for moving with carry-over bar 4; One end of described rocking arm 8 is fixedly connected on quadrant gear 7, and the other end of one end of described connecting rod 10 and rocking arm 8 is hinged, and the other end of described connecting rod 10 and operator's compartment bottom skeleton 15 are hinged; Described load push-pull 3 comprise screw rod 3-3, worm gear 3-1 and with the suitable worm screw 3-2 of worm gear 3-1, the centre of described worm gear 3-1 offers the tapped bore suitable with screw rod 3-3, the mouth of described screw rod 3-3 is connected with one end of tooth bar 4.In the present embodiment, one end of described rocking arm 8 is connected by oscillating bearing 9 with connecting rod 10.The other end of described rocking arm 8 is connected with quadrant gear 7 by the first tightening screw 8-1.
During use, crank bracket 2 by crank 1 by the outside insertion of car body tubulose, the groove of its end and the twist pin 3-2-1 on worm screw 3-2 input end are involutory, up time is to rotating crank 1, worm screw 3-2 with crank 1 up time to synchronous rotation, thereby drive worm gear 3-1 deceleration vertical with it to rotate, screw rod 3-3 according to worm drive principle to operator's compartment 16 rears to movement, then be with carry-over bar 4 synchronously to move in the same way, quadrant gear 7 is and clockwise rotates under the thrust of tooth bar 4, synchronize with it rotation with 8, the rocking arm of quadrant gear 7 consubstantialities, rocking arm 8 drivening rods 10.Due to described rocking arm 8, connecting rod 10, form a kind of double rocker mechanism together with operator's compartment bottom skeleton 15, so 15, the skeleton in operator's compartment bottom is up time to swing according to double rocker mechanism principle around its overturning pivot 18, ongoing operation crank 1 rotates, and can make operator's compartment 16 gently turn to predeterminated position.If reverse operating crank 1, according to same principle, makes operator's compartment 16 oppositely rotate around overturning pivot 18, until be back to again normal station.
In the gap operating manually, because whole mechanism utilizes the load push-pull 3 consisting of worm-and-wheel gear and screw mechanism, therefore there is very strong auto-lock function.So the gravity of operator's compartment in any case Dou Buhuidui mechanism produces initiatively effect, the safety of mechanism depends primarily on the strength and stiffness of member.The Main Function of described load push-pull 3 is: the one, according to design, need to change sense of motion, mode, be about to horizontal winding crossbeam vertically to rotation transfer to along car body crossbeam 12 straight-line motion longitudinally; The 2nd, obtain the high ratio that rotates, significantly to reduce propulsive effort (moment); The 3rd, can obtain failure-free mechanical self-latching function required to meet upset performance characteristic.
In the present embodiment, this combination machinery formula turnover device for automobile cab whole installation is below operator's compartment 16 and be positioned at the position, front side of car front-wheel 11.Described quadrant gear 7, it has toothed portion is that central angle is about fan-shaped (fixed according to design corner size) of 200 °.The setting-in copper sheathing 7-1 of center of circle portion of quadrant gear 7, is installed with bolster 5 in copper sheathing 7-1, described bolster 5 is so that radially support reaction and operator's compartment Action of Gravity Field balance each other.One end of described bolster 5 and car body crossbeam 12 are connected, and the other end of described bolster 5 is installed jam nut 24.On described rack bracket 6-1, be provided with for playing the rear defence guard shield 21 of dustproof and protective effect.Described protective cover 21 installs protective cover 25 additional at jam nut 24 places.
As shown in Figure 2, described tooth bar guide piece 6 comprises rack bracket 6-1, described tooth bar 4 is arranged in rack bracket 6-1, in described rack bracket 6-1, is provided with rack guide rail 6-2, and described tooth bar 4 belows are provided with the guide chute 4-1 with rack guide rail 6-2 bearing fit.The cross-sectional plane of described rack bracket 6-1 is " U " shape.The two ends of described rack bracket 6-1 are respectively arranged with for limiting the first locating dowel pin 6-4 and the second locating dowel pin 6-5 of tooth bar 4 miles of relative movement.
In the present embodiment, described rack bracket 6-1 carries out supporting role to tooth bar 4, and by the bearing fit of guide chute 4-1 and rack guide rail 6-2, and then tooth bar 4 is carried out to actv. guiding.Described rack guide rail 6-2 is connected with rack bracket 6-1 by the second tightening screw 6-3, by the first locating dowel pin 6-4 and the second locating dowel pin 6-5 are set, thus the moving range of restriction tooth bar 4.
As shown in Figure 2, one end of described rack bracket 6-1 is connected with the shell 3-23 of load push-pull 3, the below of described rack bracket 6-1 is provided with the control apparatus 20 for adjusting gear rack bracket 6-1 position, described control apparatus 20 comprises anchor plate 20-4 and the hanger 20-1 being connected with rack bracket 6-1, described anchor plate 20-4 is hinged by bolt 20-3 and car body crossbeam, bar hole on one end of described anchor plate 20-4 and hanger 20-1 is hinged, the other end of described anchor plate 20-4 is equiped with for adjusting the set screw 20-5 of anchor plate 20-4 and rack bracket 6-1 relative position.
As shown in Figure 2, the shell 3-23 right-hand member installing end cap 3-4 of described load push-pull 3, the upper installing of described end cap 3-4 flange 3-6, on described flange 3-6, be equiped with front protective cover 3-9, on described screw rod 3-3, offer axially directed groove 3-3-1, on described flange 3-6, be provided with the orienting lug 3-10 with described axially directed groove 3-3-1 bearing fit.
As shown in Figures 2 and 3, in the present embodiment, described worm gear 3-1 and worm screw 3-2 are installed in shell 3-23, described worm gear 3-1 is supported by the thrust baring 3-5 of both sides, described flange 3-6 is connected with shell 3-23 with the 4th attaching screw 3-12 by the first attaching screw 3-7, described flange 3-6 is connected with front protective cover 3-9 by the second attaching screw 3-8, and described flange 3-6 is connected with orienting lug 3-10 by the 3rd attaching screw 3-11.One end of described rack bracket 6-1 is connected with shell 3-23 by the 5th attaching screw 3-13.Described shell 3-23 bottom is connected with tuning support 3-19 by the first bolt 3-20.
As shown in Figure 2, in the present embodiment, by control apparatus 20 is set, for tooth bar guide piece 6, play supporting role on the one hand; Pass through on the other hand set screw 20-5 with the equipped distance between adjusting gear rack 4 and quadrant gear 7.Described anchor plate 20-4 is connected and then tooth bar guide piece 6 is play supporting role with the bearing support 23 on car body crossbeam 12 by bolt 20-3.Between described anchor plate 20-4 and bearing support 23, be provided with the bolt sleeve 22 being enclosed within on bolt 20-3, described anchor plate 20-4 is connected by the second bolt 20-2 with hanger 20-1.Axially directed groove 3-3-1 and be the setting of the orienting lug 3-10 of bearing fit with it, is to guarantee that the realization that screw rod 3-3 is stable moves axially.
As shown in Figure 1, one end of described connecting rod 10 is hinged by " L " shape chute 17 and operator's compartment bottom skeleton 15.The object of described " L " shape chute 17 designs, is to guarantee that the effect of jolting of travelling under operator's compartment 16 reset normal conditions does not make connecting rod stressed.
As shown in Figure 3, described load push-pull 3 is hinged by the pipe connecting piece on adapter shaft 3-21 and car body crossbeam 12, described adapter shaft 3-21 upper and with the outer circumference surface of car body crossbeam 12 connecting portions on offer circular groove 3-22.The object that circular groove 3-22 is set is the needs that restrictive axial moves, described adapter shaft 3-21 and connecting shaft end cap 3-15 are structure as a whole, described connecting shaft end cap 3-15 is connected with shell 3-23 by the 6th attaching screw 3-16, the upper other end relative with connecting shaft end cap 3-15 of described shell 3-23 is connected with front end cover 3-17 by the 7th attaching screw 3-18
As shown in Figure 2, described screw rod 3-3 and tooth bar 4 are hinged by link pin 3-14, are for improving self stressed reasonableness.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (10)
1. combination machinery formula turnover device for automobile cab, it is characterized in that: comprise and be arranged on operator's compartment (16) below and be rotatably connected on the quadrant gear (7) on car body crossbeam (12), the rocking arm (8) being connected with quadrant gear (7), the tooth bar (4) being meshed with quadrant gear (7), tooth bar guide piece (6) and the connecting rod (10) for driving operator's compartment (16) to rotate around overturning pivot (18) for guiding tooth bar (4) to move, and be arranged on the load push-pull (3) of car body crossbeam (12) above and for moving with carry-over bar (4); It is upper that one end of described rocking arm (8) is fixedly connected on quadrant gear (7), and the other end of one end of described connecting rod (10) and rocking arm (8) is hinged, and the other end of described connecting rod (10) and operator's compartment bottom skeleton (15) are hinged; Described load push-pull (3) comprise screw rod (3-3), worm gear (3-1) and with the suitable worm screw (3-2) of worm gear (3-1), the centre of described worm gear (3-1) offers the tapped bore suitable with screw rod (3-3), and the mouth of described screw rod (3-3) is connected with one end of tooth bar (4).
2. combination machinery formula turnover device for automobile cab according to claim 1, it is characterized in that: described tooth bar guide piece (6) comprises rack bracket (6-1), described tooth bar (4) is arranged in rack bracket (6-1), in described rack bracket (6-1), be provided with rack guide rail (6-2), the bottom of described tooth bar (4) is provided with the guide chute (4-1) with rack guide rail (6-2) bearing fit.
3. combination machinery formula turnover device for automobile cab according to claim 2, is characterized in that: the two ends of described rack bracket (6-1) are respectively arranged with for limiting the first locating dowel pin (6-4) and second locating dowel pin (6-5) of tooth bar (4) miles of relative movement.
4. combination machinery formula turnover device for automobile cab according to claim 2, it is characterized in that: one end of described rack bracket (6-1) is connected with the shell (3-23) of load push-pull (3), the below of described rack bracket (6-1) is provided with the control apparatus (20) for adjusting gear rack bracket (6-1) position, described control apparatus (20) comprises anchor plate (20-4) and the hanger (20-1) being connected with rack bracket (6-1), described anchor plate (20-4) is hinged by bolt (20-3) and car body crossbeam, bar hole on one end of described anchor plate (20-4) and hanger (20-1) is hinged, the other end of described anchor plate (20-4) is equiped with for adjusting the set screw (20-5) of anchor plate (20-4) and rack bracket (6-1) relative position.
5. combination machinery formula turnover device for automobile cab according to claim 2, is characterized in that: the cross-sectional plane of described rack bracket (6-1) is " U " shape.
6. combination machinery formula turnover device for automobile cab according to claim 2, is characterized in that: rear defence guard shield (21) is installed on described rack bracket (6-1).
7. combination machinery formula turnover device for automobile cab according to claim 1, is characterized in that: one end of described connecting rod (10) is hinged by " L " shape chute (17) and operator's compartment bottom skeleton (15).
8. combination machinery formula turnover device for automobile cab according to claim 1, it is characterized in that: described load push-pull (3) is hinged by the pipe connecting piece of adapter shaft (3-21) and car body crossbeam (12), described adapter shaft (3-21) upper and with the outer circumference surface of car body crossbeam (12) connecting portion on offer the circular groove (3-22) moving for restrictive axial.
9. combination machinery formula turnover device for automobile cab according to claim 1, is characterized in that: described screw rod (3-3) is hinged with tooth bar (4).
10. combination machinery formula turnover device for automobile cab according to claim 1, it is characterized in that: shell (3-23) right-hand member of described load push-pull (3) is equiped with end cap (3-4), on described end cap (3-4), be equiped with flange (3-6), on described flange (3-6), be equiped with front protective cover (3-9), on described screw rod (3-3), offer axially directed groove (3-3-1), on described flange (3-6), be provided with the orienting lug (3-10) with described axially directed groove (3-3-1) bearing fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320783825.6U CN203581152U (en) | 2013-11-30 | 2013-11-30 | Combined mechanical type automobile-cab overturning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320783825.6U CN203581152U (en) | 2013-11-30 | 2013-11-30 | Combined mechanical type automobile-cab overturning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203581152U true CN203581152U (en) | 2014-05-07 |
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ID=50579111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320783825.6U Expired - Fee Related CN203581152U (en) | 2013-11-30 | 2013-11-30 | Combined mechanical type automobile-cab overturning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203581152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725605A (en) * | 2018-07-20 | 2018-11-02 | 河南垣发专用车辆集团有限公司 | A kind of forklift tilt cab |
| CN111114657A (en) * | 2019-12-19 | 2020-05-08 | 长春一东汽车零部件制造有限责任公司 | Cab turnover mechanical cylinder |
-
2013
- 2013-11-30 CN CN201320783825.6U patent/CN203581152U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725605A (en) * | 2018-07-20 | 2018-11-02 | 河南垣发专用车辆集团有限公司 | A kind of forklift tilt cab |
| CN111114657A (en) * | 2019-12-19 | 2020-05-08 | 长春一东汽车零部件制造有限责任公司 | Cab turnover mechanical cylinder |
| CN111114657B (en) * | 2019-12-19 | 2024-05-28 | 长春一东汽车零部件制造有限责任公司 | Cab overturning mechanical cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140507 Termination date: 20181130 |