CN107364819B - Connecting rod slider formula protection device for hydraulic pressure unloading machine - Google Patents
Connecting rod slider formula protection device for hydraulic pressure unloading machine Download PDFInfo
- Publication number
- CN107364819B CN107364819B CN201710847336.5A CN201710847336A CN107364819B CN 107364819 B CN107364819 B CN 107364819B CN 201710847336 A CN201710847336 A CN 201710847336A CN 107364819 B CN107364819 B CN 107364819B
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- Prior art keywords
- locking
- unloader
- base
- rod
- unloading machine
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Classifications
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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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/24—Unloading land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
-
- 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
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
-
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Ship Loading And Unloading (AREA)
Abstract
A connecting rod slider type protection device for a hydraulic unloader comprises an unloader base and an unloader bearing plate, wherein one end of the unloader bearing plate is hinged with the unloader base, a lifting hydraulic cylinder is connected between the bottom of the other end of the unloader bearing plate and the unloader base, movable slider type protection mechanisms are symmetrically arranged on two sides of the unloader bearing plate, the movable slide block type protection mechanism comprises a slide way arranged on a base of the unloading machine, a movable base which moves along the slide way is arranged on the slide way, a locking device is arranged between the movable base and the slide way, a push-pull rod is hinged on the movable base, the tail end of the push-pull rod is hinged with the side wall of a loading plate of the unloading machine, the oil port department of lifting hydraulic cylinder is equipped with pressure sensor, and pressure sensor is connected with the controller, and the controller is connected with the dead ware of lock, and it has that structural design is reasonable, structural strength is high, ensures that lift platform is stable, effectively solves pneumatic cylinder inefficacy and causes advantages such as harm.
Description
The technical field is as follows:
the invention relates to the technical field of hydraulic unloader protection, in particular to a connecting rod slider type protection device for a hydraulic unloader.
Background art:
bulk materials are generally transported by a large transport vehicle, in order to save cost and reduce the self weight of the large transport vehicle, the large transport vehicle is not provided with a hydraulic unloading device generally, but a special hydraulic unloading machine is designed in an unloading yard to unload the large transport vehicle, the use of the hydraulic unloading machine greatly improves the unloading speed, but the existing hydraulic unloading machine still has some defects or potential safety hazards in actual use, for example, a hydraulic cylinder of the existing hydraulic unloading machine generally only depends on a one-way valve to protect a hydraulic oil circuit, although the hydraulic unloading machine plays a role in protection to a certain extent, when the hydraulic cylinder is damaged (including seal ring aging, improper installation and the like) to cause leakage of hydraulic oil, the one-way valve cannot prevent the leakage, the hydraulic cylinder is damaged seriously, and the lifting platform is turned on the side due to the loss of balance and the transport vehicle on the lifting platform, so that serious accidents are caused; in addition, the one-way valve has potential safety hazard after long-term use, and safety accidents are easily caused once the one-way valve is damaged.
The invention content is as follows:
the invention aims to make up the defects of the prior art, and provides a connecting rod slider type protection device for a hydraulic unloading machine, which has the advantages of reasonable structural design, high structural strength, capability of ensuring the stability of a lifting platform, effectively solving the problem of damage caused by the failure of a hydraulic cylinder and the like, and solves the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a connecting rod slider formula protection device for hydraulic pressure unloader, includes unloader base and unloader loading board, and unloader loading board one end is connected with the unloader base is articulated, is connected with the pneumatic cylinder that lifts between other end bottom and the unloader base, and unloader loading board bilateral symmetry is equipped with and removes slider formula protection mechanism, remove slider formula protection mechanism including setting up the slide on the unloader base, be equipped with on the slide along the removal seat that the slide removed, remove and be equipped with the lock and die the ware between seat and the slide, remove still articulated the push-and-pull rod that has on the seat, the terminal articulated connection with the unloader loading board lateral wall of push-and-pull rod, the oil port department of lifting the pneumatic cylinder is equipped with pressure sensor, and pressure sensor is connected with the controller, and the controller is connected with the lock and die the ware.
The slide both sides are equipped with the guide rail respectively, are equipped with on the guide rail and remove the seat, remove and be equipped with a plurality of gyro wheels along guide rail length direction interval on the seat, the gyro wheel is connected with the guide rail contact.
The guide rail is an I-shaped guide rail.
And a limiting lug matched with the I-shaped guide rail is arranged on the outer side of the moving seat.
The guide rail is obliquely arranged, and the included angle between the plane of the guide rail and the horizontal plane is 0-15 degrees, preferably 6 degrees.
The locking device comprises a locking driving mechanism arranged on a movable seat and a locking fixing mechanism arranged between two guide rails, the locking driving mechanism and the locking fixing mechanism are matched to lock the loading plate of the unloading machine, the locking driving mechanism comprises a locking hydraulic cylinder base arranged on the movable seat, the locking hydraulic cylinder base is hinged to a locking hydraulic cylinder, a piston rod of the locking hydraulic cylinder is connected with a driving rod, the driving rod is fixedly connected with a locking rod, one end of the locking rod, which is connected with the driving rod, is installed on the movable seat through a rotating shaft, the other end of the locking rod is provided with an arc-shaped clamping groove, the locking fixing mechanism comprises a base arranged between the two guide rails, a plurality of clamping columns are arranged on the base at equal intervals, and a lug is arranged between every two adjacent clamping columns.
And a piston rod of the locking hydraulic cylinder is hinged with the driving rod.
The end of a piston rod of the locking hydraulic cylinder is provided with two baffles at intervals, a drive rod is arranged on the piston rod between the two baffles, and the diameter of a mounting hole of the drive rod is larger than that of the piston rod.
The push-pull rod is installed on the side wall of the loading plate of the unloading machine through the upper support frame, the upper support frame comprises an I-shaped connecting piece installed on the side wall of the loading plate of the unloading machine, a mounting frame perpendicular to the I-shaped connecting piece is arranged on the outer side of the I-shaped connecting piece, and a hinge seat hinged with the push-pull rod is arranged at the bottom of the mounting frame.
The pressure sensor is a hydraulic pressure sensor.
The controller is a PLC controller.
The invention adopts the scheme, and aims at the technical problems of the hydraulic system of the existing hydraulic unloader, the invention designs the connecting rod slider type protection device for the hydraulic unloader, the connecting rod slider type protection mechanisms are designed on the two sides of the hydraulic unloader, so that when the hydraulic system is normal, the unloader bearing plate is lifted or falls back under the action of the lifting hydraulic cylinder, the bearing plate drags the movable seat to move along the guide rail through the push-pull rod, when the hydraulic system fails, particularly when the lifting hydraulic cylinder fails, the oil pressure is reduced, the hydraulic sensor transmits a pressure signal to the controller, the locking hydraulic cylinder is started, the piston rod pushes the driving rod and the locking rod to rotate, the arc-shaped clamping groove at the tail end of the locking rod is clamped on the clamping column, thereby realizing the locking of the movable seat, and simultaneously, the movable seat locks the unloader bearing plate through the push-pull rod, and prevents the bearing plate from losing balance due to the loss of the support of the lifting hydraulic cylinder, cause the incident, the connecting rod slider formula protection device of this application, structural design is simple reliable, reaction time is fast, the lock is died firmly reliably, effectively solves because of the unsafe factor that hydraulic cylinder damage caused.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic structural view of the moving-block type mechanism of the present invention;
FIG. 4 is a schematic structural view of the slideway of the present invention;
FIG. 5 is a side view of the slideway of the present invention
FIG. 6 is a schematic view of the movable base of the present invention;
FIG. 7 is a side view of the mobile station of the present invention;
FIG. 8 is a top view of the mobile base of the present invention;
FIG. 9 is a schematic view of the hinge structure of the deadlocking hydraulic cylinder and the driving rod of the present invention;
FIG. 10 is a schematic view of a push-pull rod configuration of the present invention;
FIG. 11 is a schematic structural view of an upper support frame of the present invention;
FIG. 12 is a side view of the upper support bracket of the present invention;
in the figure, 1, a car unloader base, 2, a car unloader loading plate, 3, a lifting hydraulic cylinder, 4, a slideway, 5, a moving seat, 6, a locking device, 61, a locking driving mechanism, 6101, a locking hydraulic cylinder base, 6102, a locking hydraulic cylinder, 6103, a piston rod, 6104, a driving rod, 6105, a locking rod, 6106, an arc-shaped clamping groove, 6107, a baffle, 6108, a mounting hole, 6109, a rotating shaft, 62, a locking fixing mechanism, 6201, a base, 6202, a clamping column, 6203, a bump, 7, a push-pull rod, 8, a pressure sensor, 9, a controller, 10, a guide rail, 11, a roller, 12, a limit bump, 13, an upper supporting frame, 1301, an I-shaped connecting piece, 1302, a mounting frame, 1303 and a hinged seat.
The specific implementation mode is as follows:
in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
As shown in fig. 1-12, a connecting rod slider type protection device for a hydraulic unloader comprises an unloader base 1 and an unloader bearing plate 2, one end of the unloader bearing plate 2 is hinged with the unloader base 1, a lifting hydraulic cylinder 3 is connected between the bottom of the other end and the unloader base 1, moving slider type protection mechanisms are symmetrically arranged on two sides of the unloader bearing plate 2, each moving slider type protection mechanism comprises a slide way 4 arranged on the unloader base 1, a moving seat 5 moving along the slide way 4 is arranged on the slide way 4, a locking device 6 is arranged between the moving seat 5 and the slide way 4, a push-pull rod 7 is further hinged on the moving seat 5, the tail end of the push-pull rod 7 is hinged with the side wall of the unloader bearing plate 2, a pressure sensor 8 is arranged at an oil port of the lifting hydraulic cylinder 3, the pressure sensor 8 is connected with a controller 9, the controller 9 is connected with the locking device 6, and connecting rod slider type protection mechanisms are designed on two sides of the hydraulic unloader, when a hydraulic system is normal, the unloading machine bearing plate 2 is lifted or falls back under the action of the lifting hydraulic cylinder 3, the bearing plate drags the moving seat 5 to move along the guide rail 10 through the push-pull rod 7, when the hydraulic system fails, particularly when the lifting hydraulic cylinder 3 fails, the oil pressure is reduced, the hydraulic sensor transmits a pressure signal to the controller 9, the locking hydraulic cylinder 6102 is started, the piston rod 6103 pushes the driving rod 6104 and the locking rod 6105 to rotate, the arc-shaped clamping groove 6106 at the tail end of the locking rod 6105 is clamped on the clamping column 6202, so that the moving seat 5 is locked, meanwhile, the moving seat 5 locks the unloading machine bearing plate 2 through the push-pull rod 7, the unloading machine bearing plate 2 is prevented from losing balance due to losing the support of the lifting hydraulic cylinder 3, and safety accidents are caused, the connecting rod slider type protection device of the application has simple and reliable structural design, quick response time and firm and reliable locking, effectively solving the unsafe factors caused by the damage of the lifting hydraulic cylinder 3.
The guide rail 10 is an i-shaped guide rail, and has high structural strength.
The outer side of the moving seat 5 is provided with a limit bump 12 matched with the I-shaped guide rail to prevent the moving seat 5 from separating from the guide rail 10.
The guide rail 10 is obliquely arranged, the included angle between the plane of the guide rail 10 and the horizontal plane is 0-15 degrees, preferably 6 degrees, and the moving seat 5 is prevented from being clamped when the loading plate 2 of the unloading machine is initially lifted.
The locking device 6 comprises a locking driving mechanism 61 arranged on the movable base 5 and a locking fixing mechanism 62 arranged between the two guide rails 10, the locking driving mechanism 61 cooperates with the locking fixing mechanism 62 to lock the unloader loading plate 2, the locking driving mechanism 61 comprises a locking hydraulic cylinder base 6101 arranged on the movable base 5, the locking hydraulic cylinder base 6101 is hinged with a locking hydraulic cylinder 6102, a piston rod 6103 of the locking hydraulic cylinder 6102 is connected with a driving rod 6104, the driving rod 6104 is fixedly connected with the locking rod 6105, one end of the locking rod 6105 connected with the driving rod 6104 is arranged on the movable base 5 through a rotating shaft 6109, the other end is provided with an arc-shaped clamping groove 6106, the locking fixing mechanism 62 comprises a base 6201 arranged between the two guide rails 10, a plurality of clamping columns 6202 are arranged on the base 6201 at equal intervals, a bump 6203 is arranged between two adjacent clamping columns 6202, when the lifting hydraulic cylinder 3 fails, the lifting hydraulic cylinder can be quickly, accurately and accurately positioned, The loading plate 2 of the unloading machine is firmly locked, so that the unloading machine loading plate 2 is prevented from losing balance and collapsing to cause safety accidents.
The piston rod 6103 of the locking hydraulic cylinder 6102 is hinged with the driving rod 6104, so as to realize the precise control of the locking rod 6105, and the locking hydraulic cylinder 6102 can be matched with the clamping column 6202 to lock the movable base 5 accurately and timely.
Two baffles 6107 are arranged at the end of a piston rod 6103 of the locking hydraulic cylinder 6102 at intervals, a driving rod 6104 is installed on the piston rod 6103 between the two baffles 6107, the diameter of an installation hole 6108 of the driving rod 6104 is larger than that of the piston rod 6103, and the structural strength is high.
The push-pull rod 7 is installed on the side wall of the unloading machine bearing plate 2 through the upper support frame 13, the upper support frame 13 comprises an I-shaped connector 1301 installed on the side wall of the unloading machine bearing plate 2, an installation frame 1302 perpendicular to the I-shaped connector 1301 is arranged on the outer side of the I-shaped connector 1301, and a hinge seat 1303 hinged with the push-pull rod 7 is arranged at the bottom of the installation frame 1302, so that connection is firm and reliable.
The pressure sensor 8 is a hydraulic pressure sensor.
The controller 9 is a PLC controller.
The working process of the invention is as follows:
when the unloader works, the lifting hydraulic cylinder 3 is started to lift the unloader bearing plate 2, when a hydraulic system is normal, the unloader bearing plate 2 is lifted or falls back under the action of the lifting hydraulic cylinder 3, the bearing plate drags the movable seat 5 to move along the guide rail 10 through the push-pull rod 7, when the hydraulic system fails, particularly when the lifting hydraulic cylinder 3 fails, the oil pressure is reduced, a pressure signal is transmitted to the controller 9 by the hydraulic sensor, the locking hydraulic cylinder 6102 is started, the piston rod 6103 pushes the driving rod 6104 and the locking rod 6105 to rotate, the arc-shaped clamping groove 6106 at the tail end of the locking rod 6105 is clamped on the clamping column 6202, so as to realize the locking of the movable seat 5, meanwhile, the movable seat 5 locks the unloader bearing plate 2 through the push-pull rod 7, the unloader bearing plate 2 is prevented from losing balance due to the loss of the support of the lifting hydraulic cylinder 3, so as to cause a safety accident, and further realize the protection of the whole unloader, the utility model provides a connecting rod slider formula protection device, structural design is simple reliable, reaction time is fast, the lock is died firmly reliably, effectively solves because of the unsafe factor that hydraulic lifting cylinder damaged and cause.
The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (9)
1. The utility model provides a hydraulic pressure is connecting rod slider formula protection device for car unloader which characterized in that: comprises an unloader base and an unloader bearing plate, one end of the unloader bearing plate is hinged with the unloader base, a lifting hydraulic cylinder is connected between the bottom of the other end and the unloader base, movable slider type protection mechanisms are symmetrically arranged on two sides of the unloader bearing plate, the movable slide block type protection mechanism comprises a slide way arranged on a base of the unloading machine, a movable base which moves along the slide way is arranged on the slide way, a locking device is arranged between the movable base and the slide way, a push-pull rod is hinged on the movable base, the tail end of the push-pull rod is hinged with the side wall of a loading plate of the unloading machine, a pressure sensor is arranged at an oil port of the lifting hydraulic cylinder and connected with a controller, the controller is connected with a locking device, the slide both sides are equipped with the guide rail respectively, are equipped with on the guide rail and remove the seat, remove and be equipped with a plurality of gyro wheels along guide rail length direction interval on the seat, the gyro wheel is connected with the guide rail contact.
2. The connecting rod slider type protecting device for the hydraulic unloading machine as claimed in claim 1, wherein: the guide rail is an I-shaped guide rail.
3. The connecting rod slider type protecting device for the hydraulic unloading machine as claimed in claim 2, wherein: and a limiting lug matched with the I-shaped guide rail is arranged on the outer side of the moving seat.
4. The connecting rod slider type protecting device for the hydraulic unloading machine as claimed in claim 1, wherein: the guide rail is obliquely arranged, and the included angle between the plane of the guide rail and the horizontal plane is 0-15 degrees.
5. The connecting rod slider type protecting device for the hydraulic unloading machine as claimed in claim 1, wherein: the locking device comprises a locking driving mechanism arranged on a movable seat and a locking fixing mechanism arranged between two guide rails, the locking driving mechanism and the locking fixing mechanism are matched to lock the loading plate of the unloading machine, the locking driving mechanism comprises a locking hydraulic cylinder base arranged on the movable seat, the locking hydraulic cylinder base is hinged to a locking hydraulic cylinder, a piston rod of the locking hydraulic cylinder is connected with a driving rod, the driving rod is fixedly connected with a locking rod, one end of the locking rod, which is connected with the driving rod, is installed on the movable seat through a rotating shaft, the other end of the locking rod is provided with an arc-shaped clamping groove, the locking fixing mechanism comprises a base arranged between the two guide rails, a plurality of clamping columns are arranged on the base at equal intervals, and a lug is arranged between every two adjacent clamping columns.
6. The connecting rod slider type protecting device for the hydraulic unloading machine as claimed in claim 5, wherein: and a piston rod of the locking hydraulic cylinder is hinged with the driving rod.
7. The connecting rod slider type protecting device for the hydraulic unloading machine as claimed in claim 5, wherein: the end of a piston rod of the locking hydraulic cylinder is provided with two baffles at intervals, a drive rod is arranged on the piston rod between the two baffles, and the diameter of a mounting hole of the drive rod is larger than that of the piston rod.
8. The connecting rod slider type protecting device for the hydraulic unloading machine as claimed in claim 5, wherein: the push-pull rod is installed on the side wall of the loading plate of the unloading machine through the upper support frame, the upper support frame comprises an I-shaped connecting piece installed on the side wall of the loading plate of the unloading machine, a mounting frame perpendicular to the I-shaped connecting piece is arranged on the outer side of the I-shaped connecting piece, and a hinge seat hinged with the push-pull rod is arranged at the bottom of the mounting frame.
9. The connecting rod slider type protecting device for the hydraulic unloading machine as claimed in claim 1, wherein: the pressure sensor is a hydraulic sensor, and the controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847336.5A CN107364819B (en) | 2017-09-19 | 2017-09-19 | Connecting rod slider formula protection device for hydraulic pressure unloading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847336.5A CN107364819B (en) | 2017-09-19 | 2017-09-19 | Connecting rod slider formula protection device for hydraulic pressure unloading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107364819A CN107364819A (en) | 2017-11-21 |
| CN107364819B true CN107364819B (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710847336.5A Active CN107364819B (en) | 2017-09-19 | 2017-09-19 | Connecting rod slider formula protection device for hydraulic pressure unloading machine |
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| CN (1) | CN107364819B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110817739A (en) * | 2018-08-07 | 2020-02-21 | 营口冠华良易汽保设备有限公司 | Non-column movable lifter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201817112U (en) * | 2010-08-28 | 2011-05-04 | 孔庆山 | Automobile hydraulic fast unloader |
| KR20120033446A (en) * | 2010-09-30 | 2012-04-09 | 정미순 | The lift fixing equipment for an automobil |
| CN104843607A (en) * | 2014-05-05 | 2015-08-19 | 诸城福田汽车科技开发有限公司 | Bridge type chain assembly line |
| CN105947720A (en) * | 2016-06-20 | 2016-09-21 | 吴兆波 | Full-sealing dedusting system for automotive unloading machine |
| CN205709767U (en) * | 2016-02-25 | 2016-11-23 | 江苏牧羊控股有限公司 | Discharging platform is turned over after a kind of hydraulic pressure |
| CN106966201A (en) * | 2017-04-11 | 2017-07-21 | 苏州市琇泽升降机械科技有限公司 | Fixed dock ramp with safety guard |
| CN207243403U (en) * | 2017-09-19 | 2018-04-17 | 济南璐宇万特科贸有限公司 | A kind of hydraulic pressure car unloader connecting rod slider-type protective device |
-
2017
- 2017-09-19 CN CN201710847336.5A patent/CN107364819B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201817112U (en) * | 2010-08-28 | 2011-05-04 | 孔庆山 | Automobile hydraulic fast unloader |
| KR20120033446A (en) * | 2010-09-30 | 2012-04-09 | 정미순 | The lift fixing equipment for an automobil |
| CN104843607A (en) * | 2014-05-05 | 2015-08-19 | 诸城福田汽车科技开发有限公司 | Bridge type chain assembly line |
| CN205709767U (en) * | 2016-02-25 | 2016-11-23 | 江苏牧羊控股有限公司 | Discharging platform is turned over after a kind of hydraulic pressure |
| CN105947720A (en) * | 2016-06-20 | 2016-09-21 | 吴兆波 | Full-sealing dedusting system for automotive unloading machine |
| CN106966201A (en) * | 2017-04-11 | 2017-07-21 | 苏州市琇泽升降机械科技有限公司 | Fixed dock ramp with safety guard |
| CN207243403U (en) * | 2017-09-19 | 2018-04-17 | 济南璐宇万特科贸有限公司 | A kind of hydraulic pressure car unloader connecting rod slider-type protective device |
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| CN107364819A (en) | 2017-11-21 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 1202, Building B, Block C1, Greenland Central Plaza, No. 2999 Qizhou Road, Huaiyin District, Jinan City, Shandong Province, 250000 Patentee after: Jinan Luyu Wante Intelligent Equipment Co.,Ltd. Address before: Room 3-501, no.253-2 dianbei Road, Huaiyin District, Jinan City, Shandong Province Patentee before: JINAN LUYUWANTE TECHNOLOGY AND TRADE CO.,LTD. |