CN112064703B - Free adjusting device of excavator dozer blade - Google Patents
Free adjusting device of excavator dozer blade Download PDFInfo
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- CN112064703B CN112064703B CN202010965721.1A CN202010965721A CN112064703B CN 112064703 B CN112064703 B CN 112064703B CN 202010965721 A CN202010965721 A CN 202010965721A CN 112064703 B CN112064703 B CN 112064703B
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- rod
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- connecting rod
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/815—Blades; Levelling or scarifying tools
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/815—Blades; Levelling or scarifying tools
- E02F3/8155—Blades; Levelling or scarifying tools provided with movable parts, e.g. cutting discs, vibrating teeth or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The invention relates to the technical field of a dozer blade of an excavator and discloses a free adjusting device of the dozer blade of the excavator, which comprises an engine body, wherein an adjusting cylinder is fixedly arranged on the right side of a fixed connecting rod, a belt is rotatably arranged on the outer side of a main rotating wheel, a secondary rotating wheel is rotatably arranged on the upper side of the belt, a limiting rod is fixedly arranged at the upper end of a limiting disc, a sliding connecting rod is fixedly arranged on the right side of a following disc, a stabilizing rod is fixedly arranged on the right side of the sliding connecting rod, and an auxiliary gear is rotatably arranged below the stabilizing rod. This free adjusting device of excavator dozer blade rotates through adjusting a section of thick bamboo and drives auxiliary gear and remove to the right side, and the belt on the main runner drives from the runner rotation simultaneously to drive the gag lever post and rotate and drive the sliding connection pole and slide to the right side, thereby adjust a section of thick bamboo and slide bar and drive the stabilizer bar simultaneously and remove, thereby drive the bull-dozer and remove to the right side, need not the effect that the excavator removed when having realized the short distance removal earth and rockwork.
Description
Technical Field
The invention relates to the technical field of a dozer blade of an excavator, in particular to a free adjusting device of the dozer blade of the excavator.
Background
The dozer blade is mainly a device for the engineering machinery to transport earthwork, and at present, in order to be more convenient in the aspect of engineering construction, the dozer blade device is also equipped on the excavator so as to play the roles of removing obstacles in the front, cleaning the road surface and stabilizing the machine body.
In the in-service use process, when excavator dozer blade mainly has short distance promotion earthwork, need the excavator athey wheel to rotate to the realization leads to the oil consumption of excavator to increase to the promotion of earthwork, and has prolonged operating time, and current dozer blade lift up with descend the height not enough, the unable condition that adapts to different ground, lead to excavator dozer blade to have shortcomings such as certain limitation when using.
Disclosure of the invention technical problem (1)
Aiming at the defects of the prior art, the invention provides a free adjusting device for a dozer blade of an excavator, which has the advantages of being capable of pushing earthwork in a short distance to avoid the integral movement of the excavator, being capable of freely adjusting the height of the dozer blade according to actual conditions and the like, and solves the problems that the excavator needs to be integrally moved when the earthwork is pushed in a short distance, the traditional dozer blade of the excavator is not enough to be lifted and descended, and the like, and can not adapt to various ground conditions.
(II) technical scheme
In order to achieve the purposes of pushing earthwork in a short distance to avoid the overall movement of the excavator and freely adjusting the height of the dozer blade according to actual conditions, the invention provides the following technical scheme:
a free adjusting device of a dozer blade of an excavator comprises an excavator body, crawler wheels are rotatably installed on two sides of the excavator body, a pushing mechanism is fixedly installed on the right side of the excavator body, a supporting rod is fixedly installed inside the pushing mechanism, a fixed connecting rod is rotatably installed inside the supporting rod, an adjusting cylinder is fixedly installed on the right side of the fixed connecting rod, a driven wheel is fixedly installed on the left side of the fixed connecting rod, a driving wheel is meshed and connected with the lower portion of the driven wheel, a main rotating wheel is fixedly installed below the driving wheel, a belt is rotatably installed on the outer side of the main rotating wheel, a driven rotating wheel is rotatably installed on the upper side of the belt, a supporting connecting rod is fixedly installed on the upper end of the main rotating wheel, a limiting disc is fixedly installed on the upper end of the supporting connecting rod, a limiting rod is fixedly installed on the upper end of the limiting disc, a following disc is movably installed on the outer side of the limiting rod, and a sliding connecting rod is fixedly installed on the right side of the following disc, a fixed seat is fixedly arranged on the outer side of the sliding connecting rod, a stabilizer bar is fixedly arranged on the right side of the sliding connecting rod, an auxiliary gear is rotatably arranged below the stabilizer bar, a lifting mechanism is fixedly arranged on the right side of the stabilizer bar, a driving mechanism is rotatably arranged inside the lifting mechanism, a rotating lug is arranged inside the driving mechanism, the left side of the rotating lug is rotatably connected with the stabilizer bar, a base is fixedly arranged on the right side of the rotating lug, a hydraulic cylinder is fixedly arranged on the right side of the base, a connecting lug is fixedly arranged on the right side of the hydraulic cylinder, an L-shaped rod is rotatably connected with the right end of the connecting lug, the left end of the L-shaped rod is rotatably arranged on the stabilizer bar, a stabilizing mechanism is rotatably arranged on the inner side of the L-shaped rod, a rotating rod is rotatably arranged above the stabilizing mechanism, a stabilizing spring is fixedly arranged at the lower end of the rotating rod, the lower end of the stabilizing spring is rotatably connected with the L-shaped rod, and a moving rod is fixedly arranged on the right side of the stabilizing mechanism, a bulldozing plate is fixedly arranged on the right side of the moving rod.
Preferably, the upper end of adjusting a section of thick bamboo is the slope form, and inside is provided with the helical gear and is connected with the auxiliary gear meshing, can strengthen auxiliary gear's rotational stability, prevents that auxiliary gear from skidding on adjusting a section of thick bamboo, is the slope form through adjusting a section of thick bamboo simultaneously, drives auxiliary gear and removes to the drive stabilizer bar removes.
Preferably, the inside of following the dish is seted up the spout that corresponds with the gag lever post, follows the inside spout and the gag lever post cooperation of dish to realize following moving about the dish.
Preferably, the sliding connecting rod is connected with the fixed seat in a sliding manner, and the sliding connecting rod can slide in the fixed seat, so that the stabilizer bar can move.
Preferably, the L-shaped rods are symmetrically distributed by taking the center line of the base as a reference point, and the symmetrical distribution of the L-shaped rods can enhance the stability of the up-and-down movement of the bulldozer.
Preferably, stabilizing gear is rotatably installed in stabilizing mechanism's inside, and stabilizing gear's the outside is rotated and is installed the chain, and stabilizing gear can rotate and rotate along with L type pole, can guarantee that the bull-dozer board remains the horizontality all the time under the auxiliary action of chain.
(III) advantageous effects
Compared with the prior art, the invention provides a free adjusting device for a dozer blade of an excavator, which has the following beneficial effects:
1. the free adjusting device of the earth shovel of the excavator drives the driving wheel to rotate by starting the main rotating wheel to rotate, thereby driving the adjusting cylinder to rotate by the driven wheel, the adjusting cylinder is inclined, thereby driving the auxiliary gear to rotate and move towards the right side simultaneously, thereby driving the stabilizer bar to move, thereby driving the lifting mechanism to move towards the right side, simultaneously the belt on the main rotating wheel drives the auxiliary rotating wheel to rotate, thereby driving the limiting disc to rotate by the supporting connecting rod, the limiting rod thereby driving the sliding connecting rod to slide towards the right side, thereby driving the stabilizer bar to move towards the right side, the adjusting cylinder and the sliding rod simultaneously drive the stabilizer bar to move, thereby enhancing the stability of the moving process of the stabilizer bar, thereby driving the earth-moving plate to move towards the right side, completing the short-distance pushing of the earth-rock direction, and the crawler wheel of the excavator does not need to move, thereby realizing the effect that the excavator does not need to integrally move when moving the earth-rock direction in a short distance, the oil consumption of the excavator is reduced, the operation process is simplified, and the working efficiency is improved.
2. This free adjusting device of excavator dozer blade, through the inside pneumatic cylinder of start-up actuating mechanism, the inside hydraulic stem extension of pneumatic cylinder, thereby drive L type pole downwardly rotating through the engaging lug, thereby drive the inside stabilizer gear of stabilizing mean and rotate along the chain, thereby guarantee that the bull-dozer board of fixing on the carriage release lever is at the in-process that descends, remain the horizontality throughout, thereby do not influence the bulldozing operation of bull-dozer board, the dwang downwardly rotating simultaneously, L type pole pulling stabilizer spring extends, utilize dwang and stabilizer spring's cooperation, the descending height that has realized the bull-dozer board extends, thereby solve raising or descending the problem that the high distance is short of bull-dozer board.
Drawings
FIG. 1 is a schematic top view of the structure of the present invention;
FIG. 2 is a schematic top view of the pushing mechanism of the present invention;
FIG. 3 is a schematic top view of the pushing mechanism of the present invention;
FIG. 4 is a perspective view of an adjusting cylinder according to the present invention;
FIG. 5 is a perspective view of a limiting plate according to the present invention;
FIG. 6 is a schematic side view of the lifting mechanism of the present invention;
FIG. 7 is a schematic side view of the elevator mechanism of the present invention;
FIG. 8 is a schematic top view of the drive mechanism of the present invention;
FIG. 9 is a side schematic view of the stabilizing mechanism of the present invention.
In the figure: 1. a body; 2. a crawler wheel; 3. a pushing mechanism; 301. a support bar; 302. a fixed connecting rod; 303. an adjusting cylinder; 304. a driven wheel; 305. a drive wheel; 306. a main runner; 307. a belt; 308. a slave wheel; 309. a support link; 310. a limiting disc; 311. a follower disk; 312. a sliding connecting rod; 313. a fixed seat; 314. a stabilizer bar; 315. an auxiliary gear; 3101. a limiting rod; 4. a lifting mechanism; 401. a drive mechanism; 402. an L-shaped rod; 403. a stabilizing mechanism; 404. rotating the rod; 405. a stabilizing spring; 406. a travel bar; 4011. rotating the lug; 4012. a base; 4013. a hydraulic cylinder; 4014. connecting lugs; 4031. a stabilizing gear; 4032. a chain; 5. and (7) a soil shifter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, a free adjustment device for a blade of an excavator comprises a machine body 1, crawler wheels 2 are rotatably mounted on two sides of the machine body 1, a pushing mechanism 3 is fixedly mounted on the right side of the machine body 1, a supporting rod 301 is fixedly mounted inside the pushing mechanism 3, a fixed connecting rod 302 is rotatably mounted inside the supporting rod 301, an adjusting cylinder 303 is fixedly mounted on the right side of the fixed connecting rod 302, the upper end of the adjusting cylinder 303 is inclined, a helical gear is arranged inside the adjusting cylinder 303 and meshed with an auxiliary gear 315, so that the rotational stability of the auxiliary gear 315 can be enhanced, the auxiliary gear 315 is prevented from slipping on the adjusting cylinder 303, the auxiliary gear 315 is driven to move by the adjusting cylinder 303 to drive a stabilizer bar 314 to move, a driven wheel 304 is fixedly mounted on the left side of the fixed connecting rod 302, a driving wheel 305 is meshed with the lower portion of the driven wheel 304, and a main rotating wheel 306 is fixedly mounted on the lower portion of the driving wheel 305, a belt 307 is rotatably installed on the outer side of the main rotating wheel 306, a secondary rotating wheel 308 is rotatably installed on the upper side of the belt 307, a supporting connecting rod 309 is fixedly installed on the upper end of the secondary rotating wheel 308, a limiting disc 310 is fixedly installed on the upper end of the supporting connecting rod 309, a limiting rod 3101 is fixedly installed on the upper end of the limiting disc 310, a following disc 311 is movably installed on the outer side of the limiting rod 3101, a sliding groove corresponding to the limiting rod 3101 is formed in the following disc 311, the sliding groove in the following disc 311 is matched with the limiting rod 3101 so as to realize the left-right movement of the following disc 311, a sliding connecting rod 312 is fixedly installed on the right side of the following disc 311, the sliding connecting rod 312 is in sliding connection with a fixed seat 313, the sliding connecting rod 312 can slide in the fixed seat so as to realize the movement of the stabilizer bar 314, a fixed seat 313 is installed on the outer side of the sliding connecting rod 312, and a fixed seat 314 is installed on the right side of the stabilizer bar 312, an auxiliary gear 315 is rotatably mounted below the stabilizer bar 314, and a lifting mechanism 4 is fixedly mounted on the right side of the stabilizer bar 314.
A driving mechanism 401 is rotatably installed inside the lifting mechanism 4, a rotating lug 4011 is arranged inside the driving mechanism 401, the left side of the rotating lug 4011 is rotatably connected with the stabilizer bar 314, a base 4012 is fixedly installed on the right side of the rotating lug 4011, a hydraulic cylinder 4013 is fixedly installed on the right side of the base 4012, a connecting lug 4014 is fixedly installed on the right side of the hydraulic cylinder 4013, an L-shaped rod 402 is rotatably connected to the right end of the connecting lug 4014, the L-shaped rod 402 is symmetrically distributed by taking the center line of the base 4012 as a reference point, the L-shaped rod 402 is symmetrically distributed to enhance the stability of the up-and-down movement of the bulldozer 5, the left end of the L-shaped rod 402 is rotatably installed on the stabilizer bar 314, a stabilizing mechanism 403 is rotatably installed on the inner side of the L-shaped rod 402, a stabilizing gear 4031 is rotatably installed inside the stabilizing mechanism 403, a chain 4032 is rotatably installed on the outer side of the stabilizing gear 4031, the stabilizing gear 4031 can rotate along with the rotation of the L-shaped rod 402, and the bulldozer 5 can be ensured to be always kept in a horizontal state under the assistance of the chain 4032, a rotating rod 404 is rotatably mounted above the stabilizing mechanism 403, a stabilizing spring 405 is fixedly mounted at the lower end of the rotating rod 404, the lower end of the stabilizing spring 405 is rotatably connected with the L-shaped rod 402, a moving rod 406 is fixedly mounted at the right side of the stabilizing mechanism 403, and a soil shifter 5 is fixedly mounted at the right side of the moving rod 406.
The working principle is as follows: when the earth and stone direction needs to be pushed, the main rotating wheel 306 is started to rotate, thereby driving the driving wheel 305 to rotate, thereby driving the adjusting cylinder 303 to rotate through the driven wheel 304, because the adjusting cylinder 303 is inclined, thereby driving the auxiliary gear 315 to rotate and move towards the right side simultaneously, thereby driving the stabilizing rod 314 to move, thereby driving the lifting mechanism 4 to move towards the right side, meanwhile, the belt 307 on the main rotating wheel 306 drives the auxiliary rotating wheel 308 to rotate, thereby driving the limiting disc 310 to rotate through the supporting connecting rod 309, thereby driving the sliding connecting rod 312 to slide towards the right side through the limiting rod 3101 on the limiting disc 310, thereby driving the stabilizing rod 314 to move towards the right side, the adjusting cylinder 303 and the sliding rod 312 simultaneously drive the stabilizing rod 314 to move, thereby enhancing the stability of the moving process of the stabilizing rod 314, thereby driving the earth and stone direction 5 to move towards the right side, thereby completing the short-distance pushing of the earth and stone direction, and the crawler wheel 2 of the excavator does not need to move, the excavator is not required to move integrally when the earthwork is moved in a short distance, the oil consumption of the excavator is reduced, the operation process is simplified, and the working efficiency is improved.
When the descending height of the bulldozer 5 is adjusted according to different ground requirements, the hydraulic cylinder 4013 inside the driving mechanism 401 is started, the hydraulic rod inside the hydraulic cylinder 4013 extends, thereby driving the L-shaped rod 402 to rotate downwards through the connecting lug 4014, and driving the stabilizing gear 4031 inside the stabilizing mechanism 403 to rotate along the chain 4032, thereby ensuring that the blade 5, which is fixed to the travel bar 406, is always kept horizontal during the lowering process, so that the dozing work of the dozer blade 5 is not affected, while the rotating lever 404 is rotated downward, the L-shaped lever 2 pulls the stabilizing spring 405 to extend, thereby ensuring the stability of the bulldozer 5 in the descending process, when the bulldozer needs to be raised, the bulldozer can finish the operation by retracting a hydraulic rod in the hydraulic cylinder 4013, and the lowered height of the blade 5 can be extended by the cooperation of the rotating lever 404 and the stabilizing spring 405, thereby solving the problem that the raised or lowered height distance of the blade 5 is short.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an excavator dozer blade is adjusting device freely, includes organism (1), its characterized in that: the crawler wheel (2) is rotatably installed on two sides of the machine body (1), a pushing mechanism (3) is fixedly installed on the right side of the machine body (1), a supporting rod (301) is fixedly installed inside the pushing mechanism (3), a fixed connecting rod (302) is rotatably installed inside the supporting rod (301), an adjusting barrel (303) is fixedly installed on the right side of the fixed connecting rod (302), a driven wheel (304) is fixedly installed on the left side of the fixed connecting rod (302), a driving wheel (305) is connected to the lower portion of the driven wheel (304) in a meshed mode, a main rotating wheel (306) is fixedly installed below the driving wheel (305), a belt (307) is rotatably installed on the outer side of the main rotating wheel (306), a driven rotating wheel (308) is rotatably installed on the upper side of the belt (307), a supporting connecting rod (309) is fixedly installed on the upper end of the driven rotating wheel (308), and a limiting disc (310) is fixedly installed on the upper end of the supporting connecting rod (309), the upper end fixed mounting of spacing dish (310) has gag lever post (3101), the outside movable mounting of gag lever post (3101) has following dish (311), the right side fixed mounting of following dish (311) has sliding connection pole (312), the outside fixed mounting of sliding connection pole (312) has fixing base (313), the right side fixed mounting of sliding connection pole (312) has stabilizer bar (314), auxiliary gear (315) is installed in the below rotation of stabilizer bar (314), the right side fixed mounting of stabilizer bar (314) has elevating system (4), the inside of elevating system (4) is rotated and is installed drive mechanism (401), the inside of drive mechanism (401) is provided with rotation ear (4011), the left side of rotation ear (4011) is connected with stabilizer bar (314) rotation, the right side fixed mounting of rotation ear (4011) has base (4012), the right side fixed mounting of base (4012) has pneumatic cylinder (4013), the right side of a hydraulic cylinder (4013) is fixedly provided with a connecting lug (4014), the right end of the connecting lug (4014) is connected with an L-shaped rod (402) in a rotating manner, the left end of the L-shaped rod (402) is installed on a stabilizing rod (314) in a rotating manner, the inner side of the L-shaped rod (402) is installed with a stabilizing mechanism (403) in a rotating manner, a rotating rod (404) is installed above the stabilizing mechanism (403) in a rotating manner, the lower end of the rotating rod (404) is fixedly provided with a stabilizing spring (405), the lower end of the stabilizing spring (405) is connected with the L-shaped rod (402) in a rotating manner, the right side of the stabilizing mechanism (403) is fixedly provided with a moving rod (406), the right side of the moving rod (406) is fixedly provided with a bulldozing plate (5), the upper end of an adjusting cylinder (303) is inclined, the inner part of the adjusting cylinder is provided with a helical gear which is meshed with an auxiliary gear (315), a sliding groove which corresponds to a limiting rod (3101) is arranged in the following disc (311), and a stabilizing gear (4031) is rotatably arranged in the stabilizing mechanism (403), and a chain (4032) is rotatably arranged on the outer side of the stabilizing gear (4031).
2. The free adjustment device of excavator dozer blade of claim 1, wherein: the sliding connecting rod (312) is connected with the fixed seat (313) in a sliding mode.
3. The free adjustment device of excavator dozer blade of claim 1, wherein: the L-shaped rods (402) are symmetrically distributed by taking the center line of the base (4012) as a reference point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965721.1A CN112064703B (en) | 2020-09-15 | 2020-09-15 | Free adjusting device of excavator dozer blade |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965721.1A CN112064703B (en) | 2020-09-15 | 2020-09-15 | Free adjusting device of excavator dozer blade |
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| Publication Number | Publication Date |
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| CN112064703A CN112064703A (en) | 2020-12-11 |
| CN112064703B true CN112064703B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010965721.1A Active CN112064703B (en) | 2020-09-15 | 2020-09-15 | Free adjusting device of excavator dozer blade |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112693276B (en) * | 2020-12-24 | 2023-06-30 | 乐清市星火汽车电子有限公司 | Auxiliary device of automobile air conditioner |
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| GB766031A (en) * | 1954-04-20 | 1957-01-16 | Gen Motors Corp | Improvements in earth scraper apparatus |
| ES2036660T3 (en) * | 1988-02-04 | 1993-06-01 | Reno Salvage Company | EARTH MOVING MACHINE. |
| CN205975755U (en) * | 2016-08-27 | 2017-02-22 | 浙江卡森建设有限公司 | Multifunctional excavator |
| CN207003513U (en) * | 2017-07-17 | 2018-02-13 | 张淑杰 | A kind of multifunctional excavator with adjustable bulldozing device |
| CN108487349A (en) * | 2018-02-06 | 2018-09-04 | 黔西南州万宏机械制造有限责任公司 | A kind of adjustable bulldozer working device of width |
| CN109989436A (en) * | 2019-05-06 | 2019-07-09 | 浙江顺得机械有限公司 | A kind of excavator ejector dozer |
| CN210263206U (en) * | 2019-07-03 | 2020-04-07 | 平潭综合实验区大魏装饰设计工程有限公司 | Construction is excavated and is used dozer blade |
| CN111456124A (en) * | 2020-04-21 | 2020-07-28 | 三一重机有限公司 | Dozer blade assembly and excavator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9015967B2 (en) * | 2011-12-21 | 2015-04-28 | Caterpillar Inc. | Adjustable blade rake |
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2020
- 2020-09-15 CN CN202010965721.1A patent/CN112064703B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB766031A (en) * | 1954-04-20 | 1957-01-16 | Gen Motors Corp | Improvements in earth scraper apparatus |
| ES2036660T3 (en) * | 1988-02-04 | 1993-06-01 | Reno Salvage Company | EARTH MOVING MACHINE. |
| CN205975755U (en) * | 2016-08-27 | 2017-02-22 | 浙江卡森建设有限公司 | Multifunctional excavator |
| CN207003513U (en) * | 2017-07-17 | 2018-02-13 | 张淑杰 | A kind of multifunctional excavator with adjustable bulldozing device |
| CN108487349A (en) * | 2018-02-06 | 2018-09-04 | 黔西南州万宏机械制造有限责任公司 | A kind of adjustable bulldozer working device of width |
| CN109989436A (en) * | 2019-05-06 | 2019-07-09 | 浙江顺得机械有限公司 | A kind of excavator ejector dozer |
| CN210263206U (en) * | 2019-07-03 | 2020-04-07 | 平潭综合实验区大魏装饰设计工程有限公司 | Construction is excavated and is used dozer blade |
| CN111456124A (en) * | 2020-04-21 | 2020-07-28 | 三一重机有限公司 | Dozer blade assembly and excavator |
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| CN112064703A (en) | 2020-12-11 |
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Effective date of registration: 20220722 Address after: 276000 100 meters north of 327 National Road, Linshu County, Linyi City, Shandong Province Applicant after: Shandong deqili Machinery Co.,Ltd. Address before: 310000 China media science and Technology Innovation Park, No. 68, Xiasha 1st Street, Jianggan District, Hangzhou, Zhejiang Province Applicant before: Fang Ping |
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