CN203295939U - Vertical vibration compacting device for road bed side slope - Google Patents
Vertical vibration compacting device for road bed side slope Download PDFInfo
- Publication number
- CN203295939U CN203295939U CN2013203136911U CN201320313691U CN203295939U CN 203295939 U CN203295939 U CN 203295939U CN 2013203136911 U CN2013203136911 U CN 2013203136911U CN 201320313691 U CN201320313691 U CN 201320313691U CN 203295939 U CN203295939 U CN 203295939U
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- Prior art keywords
- side slope
- vertical vibration
- roadbed side
- rotation
- connecting rod
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Abstract
The utility model discloses a vertical vibration compacting device for a road bed side slope, which comprises a vertical vibration mechanism slantly connected with the side wall of a working device, wherein the vertical vibration mechanism comprises a vibration box body; a rotation shaft I and a rotation shaft II that are parallel to each other are rotationally connected in the vibration box body; a synchronous gear I is mounted on the rotation shaft I; a synchronous gear II meshed with the synchronous gear I is mounted on the rotation shaft II; an eccentric block I is mounted on the rotation shaft I; an eccentric block II is mounted on the rotation shaft II; a tamping plate propped against the road bed side slope is connected with a baseplate of the vibration box body; an actuating device for driving the rotation shaft I and the rotation shaft II to rotate is mounted on the tamping plate. The vertical vibration compacting device for the road bed side slope can perform effective vibration compaction on the road bed side slope, and is good in use effect, simple in operation and convenient to popularize and apply.
Description
Technical field
The utility model relates to a kind of vibrating compaction device, particularly relates to a kind of roadbed side slope vertical vibration compaction apparatus.
Background technology
Paver formed bed of material edge domatic (abbreviation roadbed side slope) when carrying out the steady layer of water paving operation generally freely tumbles and forms by material, its organizational styucture is loose, the stability extreme difference, be easy to make its slump when making this edge of steamroller, when especially the bed of material is thicker, slump can cause overturn accident, so many times road roller can't be completed rolling of this edge, can make like this edge, road surface undercompaction, affect the road surface supporting capacity and cause early stage infringement, shorten service life of road surface.For improving bed of material edge compacting situation, sometimes adopt the side-strut template way, expense is time-consuming.Many occasions increase the design width of roadbed, and uncompacted edge part becomes process allowance, has increased engineering cost.Also have paver this to be carried out some improvement, at edge, increased sliding form apparatus, make surface, bed of material edge smoother even, but do not solve its compaction problems, the slump phenomenon still exists.Along with the development of the steady layer of water Paving Techniques, operation thickness constantly increases at present, and this problem becomes and becomes increasingly conspicuous.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of roadbed side slope vertical vibration compaction apparatus is provided.This roadbed side slope vertical vibration compaction apparatus can carry out effective vibratory compaction to roadbed side slope, has effectively solved domatic moulding and the compaction problems in roadbed side slope bed of material edge.
for achieving the above object, the technical solution adopted in the utility model is: roadbed side slope vertical vibration compaction apparatus, it is characterized in that: comprise the vertical vibration mechanism of tilting to be connected on the apparatus for work sidewall, described vertical vibration mechanism involving vibrations casing, be rotatably connected to the axis of rotation one and the axis of rotation two that are parallel to each other in described vibration casing, on described axis of rotation one, synchromesh gear one is installed, the synchromesh gear two that is meshed with synchromesh gear one is installed on described axis of rotation two, on described axis of rotation one, eccentric block one is installed, on described axis of rotation two, eccentric block two is installed, be connected with the tamping plate that is connected on roadbed side slope on the base plate of described vibration casing, drive unit for driven rotary axle one or axis of rotation two rotations is installed on described tamping plate.
Above-mentioned roadbed side slope vertical vibration compaction apparatus, it is characterized in that: comprise the suspension holdfast that is connected with the sidewall of apparatus for work, described vibration casing and drive unit all are positioned at suspension holdfast inside, and the bottom of described suspension holdfast is connected with the base plate of vibration casing.
Above-mentioned roadbed side slope vertical vibration compaction apparatus is characterized in that: the bottom of described suspension holdfast is connected with the base plate of vibration casing by a plurality of shock-absorbing springs.
above-mentioned roadbed side slope vertical vibration compaction apparatus, it is characterized in that: comprise attitude regulation mechanism, described attitude regulation mechanism comprises the slide plate that is arranged on the apparatus for work sidewall in vertical slideway, be installed with thread bush on described slide plate, be equipped with on described apparatus for work and stretch in thread bush and be used for driving thread bush and screw rod that slide plate moves up and down along described vertical slideway, described suspension holdfast is connected with slide plate be connected two connecting rods one by connecting rod two, one end of described connecting rod one is fixedly connected with the sidewall of suspension holdfast, the other end of described connecting rod one and the bottom of slide plate are hinged, one end of described connecting rod two and the top of suspension holdfast are hinged, the other end of described connecting rod two and the top of slide plate are hinged.
Above-mentioned roadbed side slope vertical vibration compaction apparatus is characterized in that: described connecting rod one and connecting rod two are length-adjustable adjusting rod.
Above-mentioned roadbed side slope vertical vibration compaction apparatus is characterized in that: described tamping plate is the monolithic lath or by the polylith lath, is put together.
Above-mentioned roadbed side slope vertical vibration compaction apparatus is characterized in that: be provided with warping part on described tamping plate and along the two ends of roadbed side slope bearing of trend.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design, be easy to install.
2, the utility model is superimposed by eccentric block one and eccentric block two exciting force in the vertical direction, the exciting force that produces passes to the vibration casing by axis of rotation one and axis of rotation two, and then by the vibration casing, pass to tamping plate, it directly drives tamping plate by the vibration casing bed of material of roadbed side slope is carried out good compacting, effectively solve domatic moulding and the compaction problems in roadbed side slope bed of material edge, greatly improved the reliability of shaping strength and stability and road roller flanging operation.
3, the utility model, by shock-absorbing spring is set, makes tamping plate in the situation that keep operating attitude can bring into play best vibratory compaction effect and equipment not produced bad interference again, plays good vibration isolation effect.
4, the utility model is by arranging attitude regulation mechanism, this roadbed side slope vertical vibration compaction apparatus not only can be connected on apparatus for work, can also adjust position and the angle of this roadbed side slope vertical vibration compaction apparatus, can be suitable with roadbed side slope.
5, of the present utility modelly realize that cost is low, result of use is good, 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, 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.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the annexation schematic diagram of the utility model connecting rod one and connecting rod two and slide block.
Fig. 3 is the annexation schematic diagram of the utility model screw rod and sleeve pipe.
Fig. 4 is the annexation schematic diagram of the utility model vertical vibration mechanism and suspension holdfast.
Fig. 5 is the A-A sectional view in Fig. 4.
Fig. 6 is the B-B sectional view in Fig. 4.
Fig. 7 is the structural representation of the utility model adjusting rod one.
Fig. 8 is the structural representation of the utility model adjusting rod two.
Description of reference numerals:
1-apparatus for work; 1-1-sleeve pipe; 2-hinge one;
3-slide plate; 4-thread bush; 5-screw rod;
5-1-screw head; 6-hinge two; 7-connecting rod one;
8-connecting rod two; 9-synchromesh gear one; 10-hinge three;
11-vibration casing; 11-1-base plate; 12-suspension holdfast;
13-synchromesh gear two; 14-shock-absorbing spring; 15-tamping plate;
15-1-warping part; 16-axis of rotation two; 17-axis of rotation one;
18-roadbed side slope; 19-drive unit; 20-shaft coupling;
21-connecting bolt one; 22-eccentric block two; 23-eccentric block one;
24-adjusting rod one; 24-1-junction plate one; 24-2-junction plate two;
24-3-connecting hole one; 24-4-connecting bolt two; 25-adjusting rod two;
25-1-outer tube; 25-2-inner tube; 25-3-articulated joint one;
25-4-articulated joint two; 25-5-joint pin; 25-6-puller bolt.
The specific embodiment
as Fig. 1-a kind of roadbed side slope vertical vibration compaction apparatus shown in Figure 6, comprise the vertical vibration mechanism of tilting to be connected on apparatus for work 1 sidewall, described vertical vibration mechanism involving vibrations casing 11, be rotatably connected to the axis of rotation 1 and the axis of rotation 2 16 that are parallel to each other in described vibration casing 11, on described axis of rotation 1, synchromesh gear 1 is installed, the synchromesh gear 2 13 that is meshed with synchromesh gear 1 is installed on described axis of rotation 2 16, on described axis of rotation 1, eccentric block 1 is installed, on described axis of rotation 2 16, eccentric block 2 22 is installed, be connected with the tamping plate 15 that is connected on roadbed side slope 18 on the base plate 11-1 of described vibration casing 11, drive unit 19 for driven rotary axle 1 or axis of rotation 2 16 rotations is installed on described tamping plate 15.
In the present embodiment, described apparatus for work 1 for can be for supporting, drag vehicle or other devices that can move it of this roadbed side slope vertical vibration compaction apparatus, as paver, road roller or chassis voluntarily.Described drive unit 19 can be air motor, electro-motor or hydraulic motor, the output shaft of described drive unit 19 is connected with an end of axis of rotation 2 16 by shaft coupling 20, described axis of rotation 1 and axis of rotation 2 16 all are rotationally connected by bearing and vibration casing 11, described eccentric block 1 is connected with synchromesh gear and 9 all with axis of rotation one 17 keys, is connected, described eccentric block 2 22 is connected with synchromesh gear and 13 all with axis of rotation 2 16 keys, is connected, and described tamping plate 15 is connected by connecting bolt 1 with the base plate 11-1 of vibration casing 11.Described synchromesh gear 1 is all identical with the number of teeth and the physical dimension of synchromesh gear 2 13.Described eccentric block 1 is all identical with quality and the physical dimension of eccentric block 2 22.Described tamping plate 15 is the monolithic lath or by the polylith lath, is put together.
before use, during i.e. initial installation, must make eccentric block 1 keep identical phase place with eccentric block 2 22, the bottom surface that is the line in eccentric block one 23 centers of gravity and axis of rotation one 17 axle center and tamping plate 15 is perpendicular, the line in eccentric block 2 22 centers of gravity and axis of rotation 2 16 axle center and the bottom surface of tamping plate 15 are perpendicular, when this roadbed side slope vertical vibration compaction apparatus uses, drive unit 19 driven rotary axles 2 16 rotate, described axis of rotation 2 16 drives eccentric block 2 22 and synchromesh gear 2 13 rotates, simultaneously, synchromesh gear 2 13 drives synchromesh gear 1 as driving wheel and rotates, thereby driven rotary axle 1 rotates, and then drive eccentric block 1 rotates, eccentric block 1 and eccentric block 2 22 locking phases are to rotation, thereby realized directional vertical vibration, eccentric block 1 and eccentric block 2 22 exciting force in the vertical direction are superimposed, the exciting force that produces passes to vibration casing 11 by axis of rotation 1 and axis of rotation 2 16, and then by vibration casing 11, pass to tamping plate 15, it carries out good compacting by the bed of material that vibration casing 11 directly drives 15 pairs of roadbeds of tamping plate, effectively solved domatic moulding and the compaction problems in roadbed bed of material edge, greatly improved the reliability of shaping strength and stability and road roller flanging operation.
As Fig. 1, shown in Figure 4 and Figure 5, this roadbed side slope vertical vibration compaction apparatus also comprises the suspension holdfast 12 that is connected with the sidewall of apparatus for work 1, described vibration casing 11 and drive unit 19 all are positioned at suspension holdfast 12 inside, and the bottom of described suspension holdfast 12 is connected with the base plate 11-1 of vibration casing 11.In the present embodiment, the bottom of described suspension holdfast 12 is connected with the base plate 11-1 of vibration casing 11 by a plurality of shock-absorbing springs 14, by shock-absorbing spring 14 is set, make tamping plate 15 in the situation that keep operating attitude can bring into play best vibratory compaction effect and equipment 1 not produced bad interference again, play good vibration isolation effect.
as Fig. 1, Fig. 2 and shown in Figure 3, this roadbed side slope vertical vibration compaction apparatus also comprises attitude regulation mechanism, described attitude regulation mechanism comprises the slide plate 3 that is arranged on apparatus for work 1 sidewall in vertical slideway, be installed with thread bush 4 on described slide plate 3, be equipped with on described apparatus for work 1 and stretch in thread bush 4 and be used for driving thread bush 4 and screw rod 5 that slide plate 3 moves up and down along described vertical slideway, described suspension holdfast 12 is connected with slide plate 3 be connected two connecting rods 1 by connecting rod 28, one end of described connecting rod 1 is fixedly connected with the sidewall of suspension holdfast 12, the bottom of the other end of described connecting rod 1 and slide plate 3 is hinged, one end of described connecting rod 28 and the top of suspension holdfast 12 are hinged, the top of the other end of described connecting rod 28 and slide plate 3 is hinged.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 6, in the present embodiment, by being set, attitude regulation mechanism this roadbed side slope vertical vibration compaction apparatus not only can be connected on apparatus for work 1, can also adjust the position of this roadbed side slope vertical vibration compaction apparatus, described connecting rod 1 and connecting rod 28 are length-adjustable adjusting rod, can be the adjusting rod of the connecting modes such as screw thread pair, sliding pair or round.
In the present embodiment, this roadbed side slope vertical vibration compaction apparatus is when reality is used, for adapting to the requirement at different roadbed side slope 18 width and different side slopes inclination angle, at first can determine by the combination (width or quantity) that changes tamping plate 15 the amalgamation width of suitable tamping plate 15, then require to adjust respectively position (by adjusting screw(rod) 5, obtaining), connecting rod 1 and connecting rod 28 length of slide plate 3 according to the inclination angle of roadbed side slope 18, make tamping plate 15 suitable with the inclined-plane of roadbed side slope 18.During use, rotation is simultaneously through the unthreaded hole sleeve pipe 1-1 on apparatus for work 1 sidewall and the screw rod 5 in the thread bush 4 on slide plate 3, the lower surface of the screw head 5-1 of described screw rod 5 is connected to the upper surface of unthreaded hole sleeve pipe 1-1,5 of described like this screw rods rotate and do not produce vertical displacement, but can drive slide plate 3 by thread bush 4 moves up and down along the vertical slideway on apparatus for work 1 sidewall, slide plate 3 when moving up and down, drives this roadbed side slope vertical vibration compaction apparatus integral body by connecting rod 1 and connecting rod 28 and moves up or down; The length of adjustment connecting rod 1 can be controlled the distance between tamping plate 15 edges and apparatus for work 1 sidewall; The length of adjusting connecting rod 28 can be controlled the inclination angle of tamping plate 15 bottom surfaces.So improve the versatility of this roadbed side slope vertical vibration compaction apparatus, it is simple to operate, uses more convenient.
Show respectively two kinds of adjusting rods that can be used as connecting rod 1 and connecting rod 28 as Fig. 7 and Fig. 8.adjusting rod 1 as shown in Figure 7, this adjusting rod 1 comprises junction plate one 24-1 and junction plate two 24-2, offer a plurality of connecting hole one 24-3 on described junction plate one 24-1, offer a plurality of connecting holes two on described junction plate two 24-2, described connecting hole one 24-3 is corresponding with the position of described connecting hole two, described connecting hole one 24-3 connects by connecting bolt two 24-4 with being connected in connecting hole two, thereby the length of regulating this adjusting rod 1 by the correspondence position that changes connecting hole one 24-3 and described connecting hole two, when this adjusting rod 1 is used as connecting rod one 7 use, the one end is hinged on thread bush 4, the other end of described adjusting rod 1 is welded on suspension holdfast 12, when this adjusting rod 1 is used as connecting rod 28 use, the one end is hinged on thread bush 4, its other end is hinged on suspension holdfast 12.
adjusting rod 2 25 as shown in Figure 8, described adjusting rod 2 25 comprises outer tube 25-1 and is enclosed within the interior inner tube 25-2 of outer tube 25-1, the end of described outer tube 25-1 is equipped with articulated joint one 25-3, the upper end away from articulated joint one 25-3 of described inner tube 25-2 is provided with articulated joint two 25-4, described outer tube 25-1 is upper and along the length direction of outer tube 25-1, be provided with a plurality of joint pin 25-5, offer vertical through hole on described joint pin 25-5, described inner tube 25-2 is upper and along the length direction of inner tube 25-2, offer the corresponding locating hole of a plurality of and vertical through hole, described vertical through hole is connected by puller bolt 25-6 with described locating hole, inner tube 25-2 is extracted out or advances from outer tube 25-1, and then by puller bolt 25-6, outer tube 25-1 and inner tube 25-2 are fastenedly connected, when this adjusting rod 2 25 is used as connecting rod one 7 use, its articulated joint one 25-3 is hinged on thread bush 4, articulated joint two 25-4 are welded on suspension holdfast 12, when this adjusting rod 2 25 is used as connecting rod 28 use, articulated joint one 25-3 is hinged on thread bush 4, articulated joint one 25-3 is hinged on suspension holdfast 12.
As shown in Figure 4, be provided with warping part 15-1 on described tamping plate 15 and along the two ends of roadbed side slope 18 bearing of trends.By being set, warping part 15-1 make tamping plate 15 can not insert in the bed of material of roadbed side slope 18 at its two ends when vibrating, while and when this roadbed side slope vertical vibration compaction apparatus vibrates and moves, tamping plate 15 is eaten into more material.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. roadbed side slope vertical vibration compaction apparatus, it is characterized in that: comprise the vertical vibration mechanism of tilting to be connected on apparatus for work (1) sidewall, described vertical vibration mechanism's involving vibrations casing (11), be rotatably connected to the axis of rotation one (17) and the axis of rotation two (16) that are parallel to each other in described vibration casing (11), on described axis of rotation one (17), synchromesh gear one (9) is installed, the synchromesh gear two (13) that is meshed with synchromesh gear one (9) is installed on described axis of rotation two (16), on described axis of rotation one (17), eccentric block one (23) is installed, on described axis of rotation two (16), eccentric block two (22) is installed, be connected with the tamping plate (15) that is connected on roadbed side slope (18) on the base plate (11-1) of described vibration casing (11), drive unit (19) for driven rotary axle one (17) or axis of rotation two (16) rotations is installed on described tamping plate (15).
2. roadbed side slope vertical vibration compaction apparatus according to claim 1, it is characterized in that: comprise the suspension holdfast (12) that is connected with the sidewall of apparatus for work (1), described vibration casing (11) and drive unit (19) all are positioned at suspension holdfast (12) inside, and the bottom of described suspension holdfast (12) is connected with the base plate (11-1) of vibration casing (11).
3. roadbed side slope vertical vibration compaction apparatus according to claim 2 is characterized in that: the bottom of described suspension holdfast (12) is connected with the base plate (11-1) of vibration casing (11) by a plurality of shock-absorbing springs (14).
4. roadbed side slope vertical vibration compaction apparatus according to claim 2, it is characterized in that: comprise attitude regulation mechanism, described attitude regulation mechanism comprises the slide plate (3) that is arranged on apparatus for work (1) sidewall in vertical slideway, be installed with thread bush (4) on described slide plate (3), be equipped with on described apparatus for work (1) and stretch in thread bush (4) and be used for driving thread bush (4) and screw rod (5) that slide plate (3) moves up and down along described vertical slideway, described suspension holdfast (12) is connected with slide plate (3) be connected two connecting rods one (7) by connecting rod two (8), one end of described connecting rod one (7) is fixedly connected with the sidewall of suspension holdfast (12), the bottom of the other end of described connecting rod one (7) and slide plate (3) is hinged, the top of one end of described connecting rod two (8) and suspension holdfast (12) is hinged, the top of the other end of described connecting rod two (8) and slide plate (3) is hinged.
5. roadbed side slope vertical vibration compaction apparatus according to claim 4, it is characterized in that: described connecting rod one (7) and connecting rod two (8) are length-adjustable adjusting rod.
6. roadbed side slope vertical vibration compaction apparatus according to claim 1 is characterized in that: described tamping plate (15) is for the monolithic lath or by the polylith lath, be put together.
7. roadbed side slope vertical vibration compaction apparatus according to claim 1 is characterized in that: described tamping plate (15) is upper and along the two ends of roadbed side slope (18) bearing of trend, be provided with warping part (15-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203136911U CN203295939U (en) | 2013-05-31 | 2013-05-31 | Vertical vibration compacting device for road bed side slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203136911U CN203295939U (en) | 2013-05-31 | 2013-05-31 | Vertical vibration compacting device for road bed side slope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203295939U true CN203295939U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203136911U Expired - Lifetime CN203295939U (en) | 2013-05-31 | 2013-05-31 | Vertical vibration compacting device for road bed side slope |
Country Status (1)
| Country | Link |
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| CN (1) | CN203295939U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266550A (en) * | 2013-05-31 | 2013-08-28 | 陕西中大机械集团有限责任公司 | Roadbed slop vertical vibrating compacting device |
| CN104863114A (en) * | 2015-05-10 | 2015-08-26 | 孙华平 | Hydraulic ramming apparatus |
| CN107524134A (en) * | 2017-09-29 | 2017-12-29 | 董岳良 | A kind of erecting cable device of stabilization |
| CN107687165A (en) * | 2017-09-29 | 2018-02-13 | 董岳良 | A kind of erecting cable device |
| CN110792074A (en) * | 2019-11-19 | 2020-02-14 | 何秋梅 | Special tamping unit of slope |
-
2013
- 2013-05-31 CN CN2013203136911U patent/CN203295939U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266550A (en) * | 2013-05-31 | 2013-08-28 | 陕西中大机械集团有限责任公司 | Roadbed slop vertical vibrating compacting device |
| CN103266550B (en) * | 2013-05-31 | 2015-06-17 | 陕西中大机械集团有限责任公司 | Roadbed slop vertical vibrating compacting device |
| CN104863114A (en) * | 2015-05-10 | 2015-08-26 | 孙华平 | Hydraulic ramming apparatus |
| CN107524134A (en) * | 2017-09-29 | 2017-12-29 | 董岳良 | A kind of erecting cable device of stabilization |
| CN107687165A (en) * | 2017-09-29 | 2018-02-13 | 董岳良 | A kind of erecting cable device |
| CN110792074A (en) * | 2019-11-19 | 2020-02-14 | 何秋梅 | Special tamping unit of slope |
| CN110792074B (en) * | 2019-11-19 | 2021-05-07 | 何秋梅 | Special tamping unit of slope |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190528 Address after: 710119 West Avenue 109, New Industrial Park, Xi'an High-tech Zone, Shaanxi Province Patentee after: SHAANXI ZHONGDA LIDING TECHNOLOGY Co.,Ltd. Address before: 710119 West Avenue 109, New Industrial Park, Xi'an High-tech Zone, Shaanxi Province Patentee before: SHAANXI JOINTANK MACHINERY GROUP Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Roadbed slop vertical vibrating compacting device Effective date of registration: 20200720 Granted publication date: 20131120 Pledgee: Shaanxi credit re Company Limited by Guarantee Pledgor: SHAANXI ZHONGDA LIDING TECHNOLOGY Co.,Ltd. Registration number: Y2020610000094 |
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Effective date of registration: 20210830 Granted publication date: 20131120 |
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Date of cancellation: 20230531 Granted publication date: 20131120 |
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| CX01 | Expiry of patent term |
Granted publication date: 20131120 |