CN112960606A - Universal cross shaft lead screw lifting portal system of electric forklift - Google Patents
Universal cross shaft lead screw lifting portal system of electric forklift Download PDFInfo
- Publication number
- CN112960606A CN112960606A CN202110224305.0A CN202110224305A CN112960606A CN 112960606 A CN112960606 A CN 112960606A CN 202110224305 A CN202110224305 A CN 202110224305A CN 112960606 A CN112960606 A CN 112960606A
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- screw
- gantry
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- shaft
- nut seat
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/24—Electrical devices or systems
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
A universal cross shaft screw lifting gantry system of an electric forklift belongs to the technical field of forklifts and comprises an inner gantry, an outer gantry and a universal screw power transmission system, wherein the inner gantry and the outer gantry are connected through an outer gantry guide roller arranged on the outer gantry; the outer gantry is connected with the forklift body through a pitching hinged fixer, a pitching electric screw rod and a gantry connecting plate; the universal screw power transmission system comprises a top fixedly-connected support, a lifting speed-reducing motor, a motor end synchronous pulley, a screw end synchronous pulley, a synchronous toothed belt, a universal cross-shaped shaft coupling component, a ball screw, a middle shaft positioning sleeve and a ball screw nut. The invention solves the problem that the lifting of the ball screw is broken due to the transverse ectopy of the inner and outer door frames in the common electric forklift; the aim of simple structure, easy control, stable lifting, light weight and convenient maintenance of the forklift gantry is fulfilled.
Description
Technical Field
The invention belongs to the technical field of forklifts, and particularly relates to a universal cross shaft screw lifting portal system of an electric forklift.
Background
At present, a hydraulic ejector rod which is mostly adopted by a gantry lifting system of a common forklift is used as a main lifting execution component, the transmission efficiency of a hydraulic system is low, the energy consumption is high, the parts of the whole system are numerous, and the problems of heating, vibration, noise, leakage and the like frequently occur in the working process of the hydraulic system. Although part fork truck has adopted the mode transmission of motor and lead screw to replace the pneumatic cylinder to lift power, often because of the horizontal dystopy "knuckle" phenomenon of the inside and outside portal when the work is lifted to the heavy burden, lead to the lead screw to bear too much radial force, and then lead to the lead screw fracture the condition sometimes to take place.
Therefore, there is a need in the art for a new solution to solve the above problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the universal cross-shaft screw lifting gantry system of the electric forklift solves the problem that a ball screw is broken due to transverse dislocation of an inner gantry and an outer gantry in a common electric forklift; the aim of simple structure, easy control, stable lifting, light weight and convenient maintenance of the forklift gantry is fulfilled.
The utility model provides an electric fork-lift universal cross axle lead screw lifts portal system, characterized by: the device comprises an inner gantry, an outer gantry and a universal screw power transmission system, wherein the inner gantry is connected with the outer gantry through an outer gantry guide roller arranged on the outer gantry; the outer gantry is connected with the forklift body through a pitching hinged fixer, a pitching electric screw rod and a gantry connecting plate;
the universal screw power transmission system comprises a top fixedly-connected support, a lifting speed-reducing motor, a motor end synchronous pulley, a screw end synchronous pulley, a synchronous toothed belt, a universal cross-shaft coupling component, a ball screw, a middle shaft positioning sleeve and a ball screw nut, wherein the top fixedly-connected support is arranged on the lower side of the top of the inner door frame; the lifting speed-reducing motor is arranged at the lower part of the top fixedly-connected support, and the output torque of the lifting speed-reducing motor drives the synchronous belt pulley at the motor end to rotate so as to drive the synchronous toothed belt and the synchronous belt pulley at the screw rod end to rotate; the universal cross shaft coupling assembly is respectively connected with a lead screw end synchronous belt pulley and a ball screw; the end part of the ball screw is connected with a universal screw nut seat component arranged at the lower part of the inner gantry through a middle shaft positioning sleeve and a ball screw nut.
The universal screw nut seat assembly comprises a screw nut fixing sleeve, a nut seat transverse middle shaft rod, a nut seat side vertical plate, a nut seat longitudinal middle shaft rod, a fastening bolt group and a nut seat rear vertical plate, wherein the nut seat rear vertical plate is arranged on the inner door frame through the nut seat longitudinal middle shaft rod; the two nut seat side vertical plates are respectively arranged on two sides of the nut seat rear vertical plate and are fixedly connected through fastening bolt groups; the screw nut fixing sleeve is arranged on the nut seat side vertical plate through a nut seat transverse middle shaft rod; the ball screw is arranged inside the screw nut fixing sleeve.
The universal cross shaft coupling assembly comprises an output shaft, an upper fork body, a cross shaft and a lower fork body, wherein the output shaft is connected with a synchronous belt pulley at the screw rod end, and the upper fork body is connected with a transverse shaft of the cross shaft and is connected with a longitudinal shaft of the lower fork body and the cross shaft; the lower part of the lower fork body is connected with the ball screw.
The top fixedly-connected support comprises a top fixing flat plate, a top fixing vertical plate and a top fixing support rib plate, the top fixing flat plate and the top fixing vertical plate are arranged perpendicularly, and the top fixing support rib plate is in a direct triangle shape and is arranged at an included angle position of the top fixing flat plate and the top fixing vertical plate.
The top fixedly-connected support is also provided with a position detection sensor.
And the universal screw nut seat assembly is also provided with an induction sensor.
The universal screw power transmission system is connected with the fork frame, and the fork frame is provided with a fork sliding polished rod and a fork.
Through the design scheme, the invention can bring the following beneficial effects: the utility model provides an electric fork truck universal cross lead screw lifts portal system, realizes that fork truck portal simple structure, control are easy, lift steady, the quality is light, easy maintenance's purpose.
Specifically, the invention has the further beneficial effects that:
1. the lifting of the universal cross shaft ball screw replaces the lifting of the original hydraulic cylinder, so that the pollution of hydraulic oil is reduced, and the working occasions of the electric forklift are improved;
2. the upper end and the lower end of the ball screw are fixed by a specially-made universal cross shaft fixed end and a universal screw nut seat assembly, the working angle of the ball screw can be automatically adjusted at any time in the lifting process, the phenomenon that the ball screw bears excessive radial force due to the transverse dislocation of an inner gantry and an outer gantry during load lifting work, the situation that the ball screw is broken is caused sometimes, and the service life of the ball screw is greatly prolonged;
3. the ball screw is adopted to replace a hydraulic mechanism, so that the energy consumption is greatly reduced, the lifting efficiency is improved, and the hydraulic transmission mechanism has higher transmission efficiency compared with the existing hydraulic transmission mechanism;
4. the internal space of the portal frame is reasonably utilized, the structure of the member is compact and reasonable, the components such as a hydraulic cylinder, a hydraulic pump, a valve and the like are omitted, the system cost is low, and the maintenance is convenient.
Drawings
The invention is further described with reference to the following figures and detailed description:
FIG. 1 is a schematic diagram of the overall structure of a forklift of an electric forklift universal cross-axle lead screw lifting portal system.
FIG. 2 is a schematic structural diagram of a universal lead screw lifting gantry system of the universal cross lead screw lifting gantry system of the electric forklift.
FIG. 3 is a schematic structural view of a universal cross-pin screw power transmission system of the universal cross-pin screw lifting gantry system of the electric forklift.
FIG. 4 is a schematic structural view of a top fixed connection support of the universal cross shaft screw lifting gantry system of the electric forklift.
FIG. 5 is a schematic structural view of a universal cross-shaft screw rod lifting portal system cross-shaft coupling assembly of an electric forklift.
FIG. 6 is a schematic structural view of a universal lead screw nut seat assembly of the universal cross-shaft lead screw lifting gantry system of the electric forklift.
In the figure, 1-vehicle tire, 2-front and rear axle, 3-wheel hub, 4-rear wing plate, 5-forklift body, 6-pitching electric screw rod, 7-seat, 8-control rod, 9-vehicle lamp, 10-steering wheel, 11-roof protection frame, 12-inner gantry, 13-top fixed connection support, 14-outer gantry guide roller, 15-lifting speed reducing motor, 16-universal cross shaft screw rod power transmission system, 17-pitching hinged fixer, 18-fork frame, 19-fork sliding polish rod, 20-fork, 21-gantry link plate, 22-outer gantry, 23-position detection sensor, 24-induction sensor, 25-motor end synchronous pulley, 26-fastening bolt, 27-synchronous cog belt, 28-a synchronous belt pulley at a screw rod end, 29-a slotted nut, 30-a top end bearing seat, 31-a universal cross shaft coupling component, 32-a ball screw, 33-a middle shaft positioning sleeve, 34-a ball screw nut, 40-a top fixing flat plate, 41-a top fixing vertical plate, 42-a top fixing support rib plate, 45-an output shaft, 46-an upper fork body, 47-a cross shaft, 48-a lower fork body, 50-a screw nut fixing sleeve, 51-a nut seat transverse middle shaft rod, 52-a nut seat side vertical plate, 53-a nut seat longitudinal middle shaft rod, 54-a fastening bolt group and 55-a nut seat rear vertical plate.
Detailed Description
A universal cross-axle screw rod lifting portal system of an electric forklift, as shown in figures 2 to 6,
the device comprises an inner gantry 12, an outer gantry 22 and a universal screw power transmission system 16, wherein the inner gantry 12 is connected with the outer gantry 22 through an outer gantry guide roller 14 arranged on the outer gantry 22; the outer gantry 22 is connected with the forklift body 5 through the pitching hinged fixator 17, the pitching electric screw 6 and the gantry connecting plate 21, so that the lifting of the gantry system is realized;
the universal screw power transmission system 16 comprises a top fixedly-connected support 13, a lifting speed-reducing motor 15, a motor-end synchronous pulley 25, a screw-end synchronous pulley 28, a synchronous toothed belt 27, a universal cross shaft coupling assembly 31, a ball screw 32, a middle shaft positioning sleeve 33 and a ball screw nut 34, wherein the top fixedly-connected support 13 is arranged on the lower side of the top of the inner gantry 12; the lifting speed-reducing motor 15 is arranged at the lower part of the top fixedly-connected support 13, and the lifting speed-reducing motor 15 outputs torque to drive the motor end synchronous belt pulley 25 to rotate so as to drive the synchronous toothed belt 27 and the screw rod end synchronous belt pulley 28 to rotate; the universal cross shaft coupling assembly 31 is respectively connected with the screw end synchronous pulley 28 and the ball screw 32; the end of the ball screw 32 is connected with a universal screw nut seat assembly arranged at the lower part of the inner gantry 12 through a middle shaft positioning sleeve 33 and a ball screw nut 34.
The universal screw and nut seat assembly comprises a screw and nut fixing sleeve 50, a nut seat transverse middle shaft rod 51, a nut seat side vertical plate 52, a nut seat longitudinal middle shaft rod 53, a fastening bolt group 54 and a nut seat rear vertical plate 55, wherein the nut seat rear vertical plate 55 is arranged on the inner gantry 12 through the nut seat longitudinal middle shaft rod 53; the two nut seat side vertical plates 52 are respectively arranged on two sides of the nut seat rear vertical plate 55 and are fixedly connected through a fastening bolt group 54; the screw nut fixing sleeve 50 is arranged on a nut seat side vertical plate 52 through a nut seat transverse middle shaft rod 51; the ball screw 32 is disposed inside the screw nut fixing sleeve 50.
The universal cross shaft coupling assembly 31 comprises an output shaft 45, an upper fork body 46, a cross shaft 47 and a lower fork body 48, wherein the output shaft 45 is connected with the screw rod end synchronous pulley 28, the upper fork body 46 is connected with a transverse shaft of the cross shaft 47, and is connected with a longitudinal shaft of the lower fork body 48 and the cross shaft; the lower part of the lower fork body 48 is connected with the ball screw 32; the universal angle adjustment of the fork 18 is achieved by the universal cross coupling assembly 31 cooperating with the ball screw 32.
The top fixedly-connected support 13 comprises a top fixing flat plate 40, a top fixing vertical plate 41 and a top fixing support rib plate 42, wherein the top fixing flat plate 40 is perpendicular to the top fixing vertical plate 41, and the top fixing support rib plate 42 is in a direct triangle shape and is arranged at an included angle position between the top fixing flat plate 40 and the top fixing vertical plate 41.
The top fixedly-connected bracket 13 is also provided with a position detection sensor 23.
And the universal screw nut seat assembly is also provided with an induction sensor 24.
The universal screw power transmission system 16 is connected with a fork frame 18, and a fork slip polished rod 19 and a fork 20 are arranged on the fork frame 18.
The forklift as a whole shown in fig. 1 further includes a tire 1, a front and rear axle 2, a hub 3, a rear fender 4, a forklift body 5, a pitch electric screw 6, a seat 7, an operating lever 8, a lamp 9, a steering wheel 10, and a roof fender bracket 11.
The universal cross shaft screw rod lifting portal system of the electric forklift adopts electric energy as a power source, so that loss caused by energy conversion is saved, and running energy consumption of the forklift is greatly reduced; the system adopts the ball screw 32 to replace the traditional bilateral hydraulic lifting structure, so that the response speed and the operation efficiency are improved, and the loss is reduced;
the lifting speed-reducing motor outputs 15 torque to drive the motor end synchronous belt pulley 25 to rotate, the synchronous toothed belt 27 drives the screw rod end synchronous belt pulley 28 to drive the universal cross shaft coupling assembly 31 and the ball screw 32 to rotate, and the output of a lifting power source is completed.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall into the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides an electric fork-lift universal cross axle lead screw lifts portal system, characterized by: the device comprises an inner gantry (12), an outer gantry (22) and a universal screw power transmission system (16), wherein the inner gantry (12) is connected with the outer gantry (22) through an outer gantry guide roller (14) arranged on the outer gantry (22); the outer gantry (22) is connected with the forklift body (5) through a pitching hinged fixer (17), a pitching electric screw rod (6) and a gantry connecting plate (21);
the universal screw power transmission system (16) comprises a top fixedly-connected support (13), a lifting speed-reducing motor (15), a motor end synchronous pulley (25), a screw end synchronous pulley (28), a synchronous toothed belt (27), a universal cross shaft coupling component (31), a ball screw (32), a middle shaft positioning sleeve (33) and a ball screw nut (34), wherein the top fixedly-connected support (13) is arranged on the lower side of the top of the inner gantry (12); the lifting speed-reducing motor (15) is arranged at the lower part of the top fixedly-connected support (13), and the output torque of the lifting speed-reducing motor (15) drives a motor end synchronous belt wheel (25) to rotate so as to drive a synchronous toothed belt (27) and a screw rod end synchronous belt wheel (28) to rotate; the universal cross shaft coupling component (31) is respectively connected with a screw end synchronous pulley (28) and a ball screw (32); the end part of the ball screw (32) is connected with a universal screw nut seat component arranged at the lower part of the inner gantry (12) through a middle shaft positioning sleeve (33) and a ball screw nut (34).
2. The universal cross-shaft screw lifting gantry system of the electric forklift as claimed in claim 1, wherein: the universal screw and nut seat assembly comprises a screw and nut fixing sleeve (50), a nut seat transverse middle shaft rod (51), a nut seat side vertical plate (52), a nut seat longitudinal middle shaft rod (53), a fastening bolt group (54) and a nut seat rear vertical plate (55), wherein the nut seat rear vertical plate (55) is arranged on the inner gantry (12) through the nut seat longitudinal middle shaft rod (53); the two nut seat side vertical plates (52) are respectively arranged on two sides of the nut seat rear vertical plate (55) and are fixedly connected through a fastening bolt group (54); the screw nut fixing sleeve (50) is arranged on a nut seat side vertical plate (52) through a nut seat transverse middle shaft rod (51); the ball screw (32) is arranged inside the screw nut fixing sleeve (50).
3. The universal cross-shaft screw lifting gantry system of the electric forklift as claimed in claim 1, wherein: the universal cross shaft coupling component (31) comprises an output shaft (45), an upper fork body (46), a cross shaft (47) and a lower fork body (48), wherein the output shaft (45) is connected with a synchronous belt pulley (28) at the screw rod end, the upper fork body (46) is connected with a transverse shaft of the cross shaft (47), and the lower fork body (48) is connected with a longitudinal shaft of the cross shaft; the lower part of the lower fork body (48) is connected with the ball screw (32).
4. The universal cross-shaft screw lifting gantry system of the electric forklift as claimed in claim 1, wherein: the top fixedly-connected support (13) comprises a top fixing flat plate (40), a top fixing vertical plate (41) and a top fixing support rib plate (42), the top fixing flat plate (40) and the top fixing vertical plate (41) are arranged vertically, and the top fixing support rib plate (42) is in a direct triangle shape and is arranged at an included angle position of the top fixing flat plate (40) and the top fixing vertical plate (41).
5. The universal cross-shaft screw lifting gantry system of the electric forklift as claimed in claim 1, wherein: the top fixedly-connected support (13) is also provided with a position detection sensor (23).
6. The universal cross-shaft screw lifting gantry system of the electric forklift as claimed in claim 1, wherein: and the universal lead screw nut seat assembly is also provided with an induction sensor (24).
7. The universal cross-shaft screw lifting gantry system of the electric forklift as claimed in claim 1, wherein: the universal screw power transmission system (16) is connected with the fork frame (18), and a fork sliding polish rod (19) and a fork (20) are arranged on the fork frame (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224305.0A CN112960606B (en) | 2021-03-01 | 2021-03-01 | Universal cross shaft lead screw lifting portal system of electric forklift |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110224305.0A CN112960606B (en) | 2021-03-01 | 2021-03-01 | Universal cross shaft lead screw lifting portal system of electric forklift |
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| CN112960606A true CN112960606A (en) | 2021-06-15 |
| CN112960606B CN112960606B (en) | 2022-08-02 |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU592711A2 (en) * | 1976-09-20 | 1978-02-15 | Проектно-Технологическое Бюро Приорского Территориального Транспортного Управления | Device for engaging motor vehicle gearboxes and reducers to garage hoist |
| TW306500U (en) * | 1996-10-09 | 1997-05-21 | Yang Shing Machinery Works Co Ltd | Structural improvement of assembling supporting rod, first horizontal rod and second horizontal rod of frame of lifting machine |
| DE19954475C1 (en) * | 1999-11-12 | 2001-07-05 | Mtu Friedrichshafen Gmbh | Method for balancing a shaft, in particular an articulated shaft, with a vibration damper arranged thereon |
| CN101059042A (en) * | 2007-06-08 | 2007-10-24 | 河北宏地停车设备有限公司 | Dynamic synchronous lifting device for lifting platform |
| CN101216097A (en) * | 2007-01-05 | 2008-07-09 | 中国人民解放军国防科学技术大学 | Controllable universal flexible drive axle |
| CN102155390A (en) * | 2011-03-25 | 2011-08-17 | 杨天博 | Flexible transmission mechanism for deep well screw pump |
| CN102156483A (en) * | 2011-04-25 | 2011-08-17 | 华南农业大学 | Solar tracking device based on screw rod transmission and controlling and adjusting method thereof |
| CN104140058A (en) * | 2013-06-08 | 2014-11-12 | 国家电网公司 | Remotely-controlled lifting support leg and multi-point synchronous lifting mechanism using same |
| TWM537584U (en) * | 2016-12-08 | 2017-03-01 | Yang Shing Machinery Works Co Ltd | Pallet separator |
| CN106698252A (en) * | 2017-03-09 | 2017-05-24 | 哈尔滨理工大学 | Movable type automatic lifting platform |
| CN206553157U (en) * | 2017-03-17 | 2017-10-13 | 厦门厦工机械股份有限公司 | A kind of Novel pallet fork jacking system of fork truck |
| CN108147333A (en) * | 2018-02-27 | 2018-06-12 | 太原科技大学 | A kind of electric cleaning car sub-power clutch transmission lifting device and method |
| CN108178095A (en) * | 2018-01-23 | 2018-06-19 | 昆明理工大学 | A kind of electrolysis copper starting sheet elevating table device |
| CN210237012U (en) * | 2019-06-28 | 2020-04-03 | 安徽升力机械制造有限公司 | Adjustable oil drum transport dump truck |
-
2021
- 2021-03-01 CN CN202110224305.0A patent/CN112960606B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU592711A2 (en) * | 1976-09-20 | 1978-02-15 | Проектно-Технологическое Бюро Приорского Территориального Транспортного Управления | Device for engaging motor vehicle gearboxes and reducers to garage hoist |
| TW306500U (en) * | 1996-10-09 | 1997-05-21 | Yang Shing Machinery Works Co Ltd | Structural improvement of assembling supporting rod, first horizontal rod and second horizontal rod of frame of lifting machine |
| DE19954475C1 (en) * | 1999-11-12 | 2001-07-05 | Mtu Friedrichshafen Gmbh | Method for balancing a shaft, in particular an articulated shaft, with a vibration damper arranged thereon |
| CN101216097A (en) * | 2007-01-05 | 2008-07-09 | 中国人民解放军国防科学技术大学 | Controllable universal flexible drive axle |
| CN101059042A (en) * | 2007-06-08 | 2007-10-24 | 河北宏地停车设备有限公司 | Dynamic synchronous lifting device for lifting platform |
| CN102155390A (en) * | 2011-03-25 | 2011-08-17 | 杨天博 | Flexible transmission mechanism for deep well screw pump |
| CN102156483A (en) * | 2011-04-25 | 2011-08-17 | 华南农业大学 | Solar tracking device based on screw rod transmission and controlling and adjusting method thereof |
| CN104140058A (en) * | 2013-06-08 | 2014-11-12 | 国家电网公司 | Remotely-controlled lifting support leg and multi-point synchronous lifting mechanism using same |
| TWM537584U (en) * | 2016-12-08 | 2017-03-01 | Yang Shing Machinery Works Co Ltd | Pallet separator |
| CN106698252A (en) * | 2017-03-09 | 2017-05-24 | 哈尔滨理工大学 | Movable type automatic lifting platform |
| CN206553157U (en) * | 2017-03-17 | 2017-10-13 | 厦门厦工机械股份有限公司 | A kind of Novel pallet fork jacking system of fork truck |
| CN108178095A (en) * | 2018-01-23 | 2018-06-19 | 昆明理工大学 | A kind of electrolysis copper starting sheet elevating table device |
| CN108147333A (en) * | 2018-02-27 | 2018-06-12 | 太原科技大学 | A kind of electric cleaning car sub-power clutch transmission lifting device and method |
| CN210237012U (en) * | 2019-06-28 | 2020-04-03 | 安徽升力机械制造有限公司 | Adjustable oil drum transport dump truck |
Non-Patent Citations (2)
| Title |
|---|
| 赵升吨等: "汽车纵梁辊压柔性成形辊子驱动与调整方式探讨", 《锻压装备与制造技术》 * |
| 钱袁萍: "《机械设计 第2版》", 31 October 2014, 复旦大学出版社 * |
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|---|---|
| CN112960606B (en) | 2022-08-02 |
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