CN111661783A - Armor lifting and sinking prevention device for bottom plate - Google Patents
Armor lifting and sinking prevention device for bottom plate Download PDFInfo
- Publication number
- CN111661783A CN111661783A CN202010547731.3A CN202010547731A CN111661783A CN 111661783 A CN111661783 A CN 111661783A CN 202010547731 A CN202010547731 A CN 202010547731A CN 111661783 A CN111661783 A CN 111661783A
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- China
- Prior art keywords
- plate
- bottom plate
- connecting rod
- ship
- lifting
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Soil Working Implements (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The invention discloses an automatic anti-sinking paddy field wheel device, which comprises a boat-shaped bottom plate, a linkage mechanism, a lifting connecting rod device, a driving device and a chassis connecting device, wherein the chassis connecting device comprises a fixed bottom plate, a guide sleeve and a guide pillar; the invention provides a bottom plate armor lifting anti-sinking device which can effectively solve the problem that when a large agricultural machine is trapped in a mud field, a ship-shaped bottom plate is pressed down to lift the whole height of the agricultural machine, so that an engine and a connecting rod device are protected from being damaged by mud, a sinking point is conveniently pulled out, damage to the agricultural machine due to pulling is avoided, the use safety of the agricultural machine is protected, and the use efficiency is improved.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a bottom plate armor lifting and sinking prevention device.
Background
In modern agricultural production, machine-assisted production is the mainstream trend, more and more agricultural machines are applied to agricultural production, but a lot of problems still exist in the actual production process. Particularly, many farmlands are transformed from swamps and forests, a lot of mud sinking fields such as pits exist, large agricultural machines are particularly easy to sink in the land after entering the land, once the land is sunk in the land, the large agricultural machines cannot be pulled up by a common tractor, and the frames of the agricultural machines are easily damaged by pulling even if the large agricultural machines are pulled by the large tractor, so that the agricultural machines are damaged, and the engine and the link mechanism are damaged in the sinking process, so that great loss is caused to users.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a bottom plate armor lifting and anti-sinking device.
In order to solve the technical problems, the invention is solved by the following technical scheme: the lifting mechanism comprises a ship-shaped bottom plate, a linkage mechanism, a lifting connecting rod device, a driving device and a chassis connecting device, wherein the chassis connecting device comprises a fixed bottom plate, a guide sleeve and a guide pillar; the invention provides a bottom plate armor lifting anti-sinking device which can effectively solve the problem that when a large agricultural machine is trapped in a mud field, a ship-shaped bottom plate is pressed down to lift the height of the agricultural machine, an engine and a connecting rod device are protected from being damaged by mud, sinking points are conveniently dragged out, damage to the agricultural machine due to pulling is avoided, the use safety of the agricultural machine is protected, and the use efficiency is improved.
The lifting connecting rod device comprises a first connecting rod, a second connecting rod, a first fixing plate, a second fixing plate, a first sliding plate, a second sliding plate, a center pin and a driving pin, the first connecting rod and the second connecting rod are connected together through the center pin in a rotating mode, the first fixing plate and the second sliding plate are arranged on the lower surface of the fixing bottom plate, the first connecting rod is connected to the first fixing plate through the pin in a rotating mode, one end of the second connecting rod is connected to the sliding groove of the second sliding plate through the driving pin in a sliding mode, the second fixing plate and the first sliding plate are arranged on the upper surface of the ship-shaped bottom plate, the other end of the first connecting rod is connected to the sliding groove of the first sliding plate through the pin in a sliding mode, and the other end of the second connecting rod is connected to the second fixing plate through the.
The linkage mechanism comprises a floating block, a spring seat pin, a spring, a rotating pin, an upper cover plate and a driving device switch, wherein one end of the floating block is rotatably connected with the inside of a slotted hole of the ship-shaped bottom plate through the rotating pin, the other end of the floating block touches the upper edge of the boundary of the slotted hole of the ship-shaped bottom plate, the spring seat pin is fixedly arranged in the floating block, one end of the spring is arranged on the spring seat pin and pushes against the inner wall of the floating block, the other end of the spring is pressed against the inner wall of the upper cover plate, and the driving device switch is arranged at one end inside the upper cover plate and at one end below the upper cover plate and has a flanged end for the floating.
The driving device comprises a driver and a driver fixing plate, the driver fixing plate is fixedly arranged on the lower surface of the fixing base plate, one end of the driver is rotatably connected onto the driver fixing plate, and the other end of the driver is rotatably connected with the driving pin shaft.
The beneficial effects are as follows: when the agricultural machine is sunk in the mud field, the silt pushes against the floating block to enable one end of the floating block to move upwards and touch the switch of the driving device, the driver shortens the stroke inwards to drive the sliding end of the second connecting rod to slide on the second sliding plate, the first connecting rod and the second connecting rod are connected together through the central pin shaft in a rotating mode, so that the first connecting rod is driven to slide on the sliding chute of the first sliding plate, the boat-shaped bottom plate is lifted downwards under the action of the guide sleeve and the guide post, and the boat-shaped bottom plate presses and touches the silt, and the stress area is large, so that the relative height of the lifting agricultural machine from the silt surface reaches the whole height of the lifting agricultural machine, the engine and the connecting rod device are protected from being damaged by the silt, and the boat-shaped bottom plate is designed to save labor when the pulling agricultural machine leaves the sinking point, the damage to the agricultural machine due to pulling is avoided, and the use safety of the agricultural machine is protected, the use efficiency is improved.
In the technical scheme, preferably, when the driver is an electric push rod, the driving device switch is a press type electric control switch, when the driver is a hydraulic oil cylinder, the driving device switch comprises a zipper, a spring pressure contact plate, a zipper spring and a hydraulic valve, one end of the zipper is connected to one end, movable, of the floating block, the other end of the zipper is fixed to a control rod of the hydraulic valve, the spring pressure contact plate is arranged on the hydraulic valve and erected above the control rod, the zipper spring is respectively in pressure contact with the inner side of the spring pressure contact plate and one end of the control rod, and the hydraulic valve is arranged on an agricultural machine frame.
Among the above-mentioned technical scheme, preferred, the ship type bottom plate is the design of polymer plastic slab, and its beneficial effect lies in making the weight that alleviates ship type bottom plate, increases its buoyancy for can more effectual lifting agricultural machinery overall height.
Among the above-mentioned technical scheme, preferred, be provided with 4 sets of guide pin bushing and guide pillar combinations on the ship type bottom plate, and be provided with 2 sets of link gear, its beneficial effect lies in making at the in-process of lifting agricultural machinery overall height, and ship type bottom plate can evenly atress, makes the agricultural machinery keep the horizontality, and 2 sets of link gear can ensure also to lift agricultural machinery overall height when one side is sunken.
The invention has the beneficial effects that: the invention provides a bottom plate armor lifting anti-sinking device which can effectively solve the problem that when a large agricultural machine is trapped in a mud field, a ship-shaped bottom plate is pressed down to lift the whole height of the agricultural machine, so that an engine and a connecting rod device are protected from being damaged by mud, a sinking point is conveniently pulled out, the damage to the agricultural machine caused by pulling is avoided, the use safety of the agricultural machine is protected, and the use efficiency is improved.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a sectional view of a link mechanism in embodiment 1 of the present invention.
FIG. 3 is a schematic view of a lift link assembly according to the present invention.
Fig. 4 is a structural view of the driving device of the present invention.
FIG. 5 is a schematic view of a chassis attachment apparatus of the present invention.
Fig. 6 is a schematic view of a linkage mechanism in embodiment 2 of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
example 1: referring to fig. 1-5, a bottom plate armor lifting anti-sinking device comprises a ship-shaped bottom plate 1, a linkage mechanism 2, a lifting link device 3, a driving device 4 and a chassis connecting device 5, wherein the chassis connecting device 5 comprises a fixed bottom plate 51, a guide sleeve 52 and a guide pillar 53, the upper surface of the fixed bottom plate 51 is fixed on an agricultural machine frame and located at the bottommost position, the guide sleeve 52 and the guide pillar 53 are connected together in a sliding manner, the guide sleeve 52 and the driving device 4 are both arranged on the lower surface of the fixed bottom plate 51, the guide pillar 53 and the linkage mechanism 2 are arranged on the upper surface of the ship-shaped bottom plate 1, and the lifting link device 3 connects the ship-shaped bottom plate 1 and the chassis connecting device 5 together.
The lifting link device 3 includes a first link 31, a second link 32, a first fixed plate 37, a second fixed plate 33, a first sliding plate 34, a second sliding plate 35, a center pin 38, and a driving pin 36, the first link 31 and the second link 32 are rotatably connected together by the center pin 38, the first fixing plate 37 and the second sliding plate 35 are disposed on the lower surface of the fixing base plate 51, the first connecting rod 31 is rotatably connected to the first fixing plate 37 through a pin, one end of the second connecting rod 32 is slidably connected to the sliding slot of the second sliding plate 35 through the driving pin 36, the second fixed plate 33 and the first sliding plate 34 are provided on the upper surface of the boat form base plate 1, the other end of the first link 31 is slidably connected to the sliding slot of the first sliding plate 34 through a pin, the other end of the second connecting rod 32 is rotatably connected to the second fixing plate 33 through a pin.
The link gear 2 includes slider 21, spring seat round pin 22, spring 23, swivel pin 25, upper cover plate 26 and drive arrangement switch 24, slider 21's one end is passed through swivel pin 25 and is rotated and be connected in the slotted hole of ship type bottom plate 1 and its other end have the turn-ups design, and the turn-ups is detained on the border of ship type bottom plate 1's slotted hole, spring seat round pin 22 sets firmly in slider 21, just spring 23's one end sets up on spring seat round pin 22 and top touches slider 21 inner wall, spring 23's the other end pressure is touched upper cover plate 26 inner wall, drive arrangement switch 24 sets up and just has the turn-ups one end to slider 21 in the inside one end of upper cover plate 26 of telling and its below.
The driving device 4 comprises a driver 42 and a driver fixing plate 41, the driver fixing plate 41 is fixedly arranged on the lower surface of the fixing base plate 51, one end of the driver 42 is rotatably connected to the driver fixing plate 41, and the other end of the driver 42 is rotatably connected to the driving pin shaft 36.
In this embodiment, the driver 42 is an electric push rod, and the driving device switch 24 is a push-type electric control switch.
Wherein when the agricultural machinery sinks in the mud field, the silt pushes against the floating block 21, so that one end of the floating block 21 pushes upwards to touch the press type electric control switch, thereby controlling the electric push rod to shorten the stroke, because the electric push rod and the sliding end of the second connecting rod 32 are both connected on the driving pin shaft 36, thereby driving the sliding end of the second connecting rod 32 to slide on the second sliding plate 35, the first connecting rod 31 and the second connecting rod 32 are rotatably connected together through the central pin shaft 38, so the first connecting rod 31 is driven to slide on the sliding chute of the first sliding plate 34, and because under the action of the guide sleeve 52 and the guide post 53, the boat-shaped bottom plate 1 is lifted downwards, the boat-shaped bottom plate 1 presses and touches the silt, because the stress area is large, the height of the opposite lifting agricultural machinery is away from the silt surface, the integral height of the lifting agricultural machinery is reached, the engine and the connecting rod device are protected from the silt, and because the boat-shaped bottom plate 1, thereby make and pull agricultural machinery and leave the sinking point and become laborsaving, avoid causing because of dragging and be the destruction to agricultural machinery, protect the safe in utilization of agricultural machinery, promote the availability factor.
Example 2: the difference from embodiment 1 is that the structure of the driver and the driving device switch is different, and the rest is the same.
Referring to fig. 1, 3-6, in this embodiment, when the actuator 42 is a hydraulic cylinder, the driving device switch 24 includes a zipper 241, a spring pressure contact plate 242, a zipper spring 244 and a hydraulic valve 243, one end of the zipper 241 is connected to the movable end of the slider 21, the other end of the zipper 241 is fixed to a control rod 245 of the hydraulic valve 243, the spring pressure contact plate 242 is disposed on the hydraulic valve 243 and is erected above the control rod 245, the zipper spring 244 respectively presses and contacts the inner side of the spring pressure contact plate 242 and one end of the control rod 245, and the hydraulic valve 243 is disposed on the agricultural machine frame.
When the agricultural machine is sunk in the mud field, the silt pushes against the floating block 21, so that one end of the floating block 21 moves upwards, the zipper 241 is loosened, the control rod 245 of the hydraulic valve 243 slides towards the interior of the hydraulic valve 243 under the action of the zipper spring 244, so that the hydraulic oil cylinder is controlled to retract inwards, the sliding ends of the hydraulic oil cylinder and the second connecting rod 32 are both connected onto the driving pin shaft 36, so that the sliding end of the second connecting rod 32 is driven to slide on the second sliding plate 35, the first connecting rod 31 and the second connecting rod 32 are rotationally connected together through the central pin shaft 38, so that the first connecting rod 31 is driven to slide on the sliding chute of the first sliding plate 34, and the boat-shaped bottom plate 1 is lifted downwards under the action of the guide sleeve 52 and the guide post 53, so that the boat-shaped bottom plate 1 presses against the silt, and the lifting height of the opposite lifting agricultural machine is higher than the silt surface due to large stress area, so that the whole height of the, protection engine and link means do not receive the destruction of silt, because ship type bottom plate 1 is the ship type design again to make to pull the agricultural machinery and leave the sink point and become laborsaving, avoid causing because of dragging to destroy to the agricultural machinery, protect the safe in utilization of agricultural machinery, promote the availability factor.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A bottom plate armor lifting anti-trap device comprises a ship-shaped bottom plate (1), a linkage mechanism (2), a lifting connecting rod device (3), a driving device (4) and a chassis connecting device (5), the chassis connecting device (5) comprises a fixed bottom plate (51), a guide sleeve (52) and a guide post (53), the upper surface of the fixed bottom plate (51) is fixed on the agricultural machinery frame and is positioned at the bottom, the guide sleeve (52) is fixed on the lower surface, the driving device (4) is arranged on the lower surface of the fixed bottom plate (51), the guide post (53) is fixed on the ship-shaped bottom plate (1), the guide sleeve (52) is connected with the guide post (53) in a sliding mode, the ship-shaped bottom plate (1) is connected with the chassis connecting device (5) through the lifting connecting rod device (3), and the linkage mechanism (2) is arranged on the ship-shaped bottom plate (1);
the lifting connecting rod device (3) comprises a first connecting rod (31), a second connecting rod (32), a first fixing plate (37), a second fixing plate (33), a first sliding plate (34), a second sliding plate (35), a center pin shaft (38) and a driving pin shaft (36), wherein the first fixing plate (37) and the second sliding plate (35) are arranged on the lower surface of the fixed base plate (51), the second fixing plate (33) and the first sliding plate (34) are arranged on the upper surface of the ship-shaped base plate (1), one end of the first connecting rod (31) is rotatably connected to the first fixing plate (37) through the pin shaft, the other end of the first connecting rod is slidably connected to a sliding groove of the first sliding plate (34) through the pin shaft, one end of the second connecting rod (32) is rotatably connected to the second fixing plate (33) through the pin shaft, and the other end of the second connecting rod is slidably connected to a sliding groove of the second sliding plate (35) through the driving, the first connecting rod (31) and the second connecting rod (32) are connected together through the central pin shaft (38);
the linkage mechanism (2) comprises a floating block (21), a spring seat pin (22), a spring (23), a rotating pin (25), an upper cover plate (26) and a driving device switch (24), one end of the floating block (21) is rotatably connected in a slotted hole of the ship-shaped bottom plate (1) through the rotating pin (25), the other end of the floating block touches the upper edge of the slotted hole of the ship-shaped bottom plate (1), the spring seat pin (22) is fixedly arranged in the floating block (21), one end of the spring (23) is arranged on the spring seat pin, the other end of the spring (23) is pressed and contacted with the inner wall of the upper cover plate (26), and the driving device switch (24) is arranged at one end in the upper cover plate (26) and at the lower part of the upper cover plate (26) and is directly opposite to one end of the floating block (21) which touches the upper edge of the slotted hole of the ship-shaped bottom plate (1);
drive arrangement (4) include driver (42) and driver fixed plate (41), driver fixed plate (41) set firmly bottom plate (51) lower surface, driver (42) one end rotate to be connected on driver fixed plate (41), its other end with drive round pin axle (36) rotate to be connected.
2. The bottom plate armor lifting trap prevention device of claim 1, wherein: when the driver (42) is an electric push rod, the driving device switch (24) is a press type electric control switch.
3. The bottom plate armor lifting trap prevention device of claim 1, wherein: when the driver (42) is a hydraulic oil cylinder, the driving device switch (24) comprises a zipper (241), a spring pressure contact plate (242), a zipper spring (244) and a hydraulic valve (243), one end of the zipper (241) is connected to one end, movable, of the floating block (21), the other end of the zipper (241) is fixed to a control rod (245) of the hydraulic valve (243), the spring pressure contact plate (242) is arranged on the hydraulic valve (243) and erected above the control rod (245), the zipper spring (244) is respectively in pressure contact with the inner side of the spring pressure contact plate (242) and one end of the control rod (245), and the hydraulic valve (243) is arranged on the agricultural machine frame.
4. The bottom plate armor lifting trap prevention device of claim 1, wherein: the ship-shaped bottom plate (1) is designed by a polymer plastic plate.
5. The bottom plate armor lifting trap prevention device of claim 1, wherein: 4 sets of guide sleeve (52) and guide post (53) combinations are arranged on the ship-shaped bottom plate (1), and 2 sets of linkage mechanisms (2) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010547731.3A CN111661783B (en) | 2020-06-16 | 2020-06-16 | Armor lifting and sinking prevention device for bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010547731.3A CN111661783B (en) | 2020-06-16 | 2020-06-16 | Armor lifting and sinking prevention device for bottom plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111661783A true CN111661783A (en) | 2020-09-15 |
| CN111661783B CN111661783B (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010547731.3A Active CN111661783B (en) | 2020-06-16 | 2020-06-16 | Armor lifting and sinking prevention device for bottom plate |
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| Country | Link |
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| CN (1) | CN111661783B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317608Y (en) * | 1997-11-18 | 1999-05-12 | 喻寿南 | Supporting and anti-subsidence device for field machine |
| CN2408659Y (en) * | 2000-02-25 | 2000-12-06 | 黄小华 | Grain and straw separated multifunction rice harvester |
| US20050189528A1 (en) * | 2003-10-30 | 2005-09-01 | Rincoe Richard G. | Mechanical arm assembly and method therefor |
| CN201509412U (en) * | 2009-09-15 | 2010-06-23 | 陈恳 | Automatic scram device of handheld type working machine |
| CN203457514U (en) * | 2013-06-13 | 2014-03-05 | 王全义 | Self-propelled multifunctional truss used for hoisting farming facilities |
| CN103797981A (en) * | 2014-02-25 | 2014-05-21 | 湘乡市高峰五金机械制造有限公司 | Mire machine self-rescuing device |
| CN204474252U (en) * | 2015-03-17 | 2015-07-15 | 舟山市沥港船舶修造有限公司 | A kind of concrete ship monitor station |
| CN204689533U (en) * | 2015-05-30 | 2015-10-07 | 中交第三公路工程局有限公司 | A kind of jacking apparatus |
| CN205820424U (en) * | 2015-12-22 | 2016-12-21 | 江苏通惠机电设备有限公司 | The portable scissor lift multi-stage, belt ship loader of a kind of driving |
| CN110329950A (en) * | 2019-07-19 | 2019-10-15 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Large-scale elevator structure peculiar to vessel |
-
2020
- 2020-06-16 CN CN202010547731.3A patent/CN111661783B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317608Y (en) * | 1997-11-18 | 1999-05-12 | 喻寿南 | Supporting and anti-subsidence device for field machine |
| CN2408659Y (en) * | 2000-02-25 | 2000-12-06 | 黄小华 | Grain and straw separated multifunction rice harvester |
| US20050189528A1 (en) * | 2003-10-30 | 2005-09-01 | Rincoe Richard G. | Mechanical arm assembly and method therefor |
| CN201509412U (en) * | 2009-09-15 | 2010-06-23 | 陈恳 | Automatic scram device of handheld type working machine |
| CN203457514U (en) * | 2013-06-13 | 2014-03-05 | 王全义 | Self-propelled multifunctional truss used for hoisting farming facilities |
| CN103797981A (en) * | 2014-02-25 | 2014-05-21 | 湘乡市高峰五金机械制造有限公司 | Mire machine self-rescuing device |
| CN204474252U (en) * | 2015-03-17 | 2015-07-15 | 舟山市沥港船舶修造有限公司 | A kind of concrete ship monitor station |
| CN204689533U (en) * | 2015-05-30 | 2015-10-07 | 中交第三公路工程局有限公司 | A kind of jacking apparatus |
| CN205820424U (en) * | 2015-12-22 | 2016-12-21 | 江苏通惠机电设备有限公司 | The portable scissor lift multi-stage, belt ship loader of a kind of driving |
| CN110329950A (en) * | 2019-07-19 | 2019-10-15 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Large-scale elevator structure peculiar to vessel |
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| CN111661783B (en) | 2021-04-09 |
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Denomination of invention: An anti-sinking device for raising the bottom plate armor Effective date of registration: 20230112 Granted publication date: 20210409 Pledgee: Yongkang branch of the Industrial Commercial Bank of China Ltd. Pledgor: ZHEJIANG XINGLAIHE AGRICULTURAL EQUIPMENT Co.,Ltd. Registration number: Y2023330000122 |
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