CN105692252A - Movable truck side-tipping unloading platform and working method thereof - Google Patents
Movable truck side-tipping unloading platform and working method thereof Download PDFInfo
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- CN105692252A CN105692252A CN201610256712.9A CN201610256712A CN105692252A CN 105692252 A CN105692252 A CN 105692252A CN 201610256712 A CN201610256712 A CN 201610256712A CN 105692252 A CN105692252 A CN 105692252A
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- hydraulic
- hydraulic cylinder
- platform
- tipple
- hydraulic lock
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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
- B65G67/30—Unloading land vehicles using transportable tipping apparatus
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- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention discloses a movable truck side-tipping unloading platform and a working method thereof, and belongs to the field of transportation. In order to achieve side-tipping unloading of a truck and movability of the unloading platform, the movable truck side-tipping unloading platform comprises a side-tipping executing mechanism, a universal wheel lifting system arranged on the side-tipping executing mechanism and a force servo hydraulic control system. Side-tipping unloading of the truck and movability of the unloading platform are achieved, and efficiency and safety of unloading are greatly improved.
Description
Technical field
The invention belongs to traffic and transport field, relate to one and unload platform, particularly to the removable truck side tipple platform of one and method of work thereof。
Background technology
For many years, the dumper of stylishness high-grade, novel, great and competitiveness is always up the main product of commercial vehicle market, and the load-carrying capacity of its super large and powerful power transmit, and not only constitute the common feature of this family car, meanwhile, the uniqueness " bright spot " in each of which contention for hegemony rivers and lakes is also become。In recent years, along with the high speed development of the industries such as electric power, coal, chemical industry, agricultural, transport lorry moves towards to maximize just gradually。Often topple from the car system that car carries when carrying large cargo and carry the situations such as inefficient, it is necessary to relying on the car platform having safety guarantee and the output of powerful hydraulic power to make to the turner completing large cargo。
The goods platform operations flow process that present plant adopts is after the heavy-duty freight car equipped with loose unpacked material positions in the middle part of platform, operator operate automatically controlled button at control room (can see the current intelligence of unload platform and vehicle from control room) and bring into operation Hydraulic Station, oil cylinder slowly synchronizes to reach certain position to be stopped, when all materials unload most, open down from platform from operating automatically controlled button platform platform plateau when destroked state (oil cylinder recover) goods vehicle that starts to playback control room。High efficiency and safety are two leading indicators of this goods platform。Being fixed on original place in general car platform, wait lorry to open up and carry out afterwards turning on one's side or erecting turning over, danger is relatively big and is prone to accidents；And loading capacity is inadequate, and the efficiency of goods is difficult to meet the traffic goods requirement of factory。
Summary of the invention
According to above the deficiencies in the prior art, the technical problem to be solved is to propose the removable truck side tipple platform of one and method of work thereof, by arranging side dumper platform, the rollover goods of lorry can not only be realized, and realize the mobility of goods platform with lifting universal wheel。
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of removable truck side tipple platform, described removable truck side tipple platform includes rollover actuator, the universal wheel jacking system that is arranged in rollover actuator and power are raised and taken hydraulic control system。
Described rollover actuator includes being arranged on the base plate on ground, is arranged on the gripper shoe of base plate upper end and arranges renovating on the supporting plate, and described base plate, gripper shoe are all that rectangle and area equation, shape are identical with the vertical projection renovated；The side of gripper shoe be respectively arranged at the two ends with one support axle bed, support axle bed be provided with rotary fastenings, two rotary fastenings are connected with the edge renovated, and the top renovated is provided with two axle beds and a lorry baffle plate；Axle bed is provided with fixing bar；Described gripper shoe is provided with hydraulic cylinder vestibule, and hydraulic cylinder vestibule is provided with hydraulic cylinder and the piston rod being connected with hydraulic cylinder, and piston rod is connected with renovating away from one end of hydraulic cylinder。The upper surface of described gripper shoe and base plate fits tightly, and the bottom of base plate is provided with 4 firm bankings。Described lorry baffle plate is vertical with the upper face renovated。Described universal wheel jacking system is arranged on the supporting plate, universal wheel jacking system includes arranging four work shape parts on the supporting plate and four sleeves, two short axles, major axis, it is arranged on the rolling bearing units on work shape part, being arranged on the tooth bar on sleeve, the lower end of tooth bar is provided with caster bracket, and described caster bracket is provided with universal wheel。Described major axis is arranged on the rolling bearing units on two work shape parts, major axis is connected with motor, short axle is arranged on the rolling bearing units on a work shape part, the rolling bearing units being arranged on major axis are arranged on the two ends of major axis, the rolling bearing units being arranged on short axle are arranged on the middle part of short axle, the axis of major axis and short axle is mutually perpendicular to, and two short axles are parallel to each other；The end, one end that major axis is relative with short axle is additionally provided with the first bevel gear, and the end, one end that short axle is relative with major axis is provided with the second bevel gear, and the first bevel gear and the second bevel gear engage each other；Described short axle be respectively arranged at the two ends with a spur gear engaged with tooth bar。Described base plate is provided with some paliform holes, and the lower end of tooth bar, caster bracket and universal wheel are through paliform hole。The diameter of described universal wheel is less than the diameter of paliform hole inscribed circle。Described force servo hydraulic control system includes force servo hydraulic control circuit and oil supply system, described force servo hydraulic control circuit includes three the first hydraulic cylinders in parallel, second hydraulic cylinder and the 3rd hydraulic cylinder, the first hydraulic lock being connected with the first hydraulic cylinder oil inlet, the second hydraulic lock being connected with the second hydraulic cylinder oil inlet, the 3rd hydraulic lock being connected with the 3rd hydraulic cylinder oil inlet, connect the second electric-hydraulic proportion flow divider of the second hydraulic lock and the 3rd hydraulic lock, connect the first electric-hydraulic proportion flow divider of the second electric-hydraulic proportion flow divider and the first hydraulic lock, connect the first hydraulic cylinder, 4th hydraulic lock of the second hydraulic cylinder and the 3rd hydraulic cylinder place hydraulic fluid port, the electrohydraulic servo valve being connected with the 4th hydraulic lock and the first electric-hydraulic proportion flow divider, electrohydraulic servo valve is connected with fuel tank and check valve respectively, check valve is connected by pipeline with fuel tank, pipeline between check valve and fuel tank is provided with the pump providing power；The outlet of check valve is also connected with overflow valve, and the outlet of overflow valve is connected with fuel tank；First hydraulic lock, the second hydraulic lock, the 3rd hydraulic lock and the 4th hydraulic lock be second overflow valve in parallel respectively, and the inlet and outlet of the second overflow valve is connected with the export and import of the first hydraulic lock, the second hydraulic lock, the 3rd hydraulic lock and the 4th hydraulic lock respectively。
A kind of method of work of removable truck side tipple platform, it is characterised in that: step one: truck side down tilt platform is dragged to goods place with trailer；Step 2: risen by universal wheel, is fixed base and ground with screw；Step 3: lorry is travelled above rollover platform, rise fixing bar, hook truck with the hook fastened on fixing bar；Step 4: driver opens boxcar breast board；Step 5: operator releases the button and implements rollover, renovates and slowly rotates to 35 degree of automatic lockings, completes rollover goods；Step 6: after completing goods, unclamps the nut of base and ground；Step 7: open motor and regain universal wheel, with trailer, rollover platform is dragged to warehouse。
The medicine have the advantages that the rollover goods achieving lorry, and realize the mobility of goods platform with lifting universal wheel, substantially increase efficiency and the safety of unloading。
Accompanying drawing explanation
Below the content expressed by this specification accompanying drawing and the labelling in figure are briefly described:
Fig. 1 is the overall structure figure of the removable truck side tipple platform of the specific embodiment of the invention；
Fig. 2 is the jacking system structure chart of specific embodiment of the invention car platform；
Fig. 3 is the polycrystalline substance layout drawing of specific embodiment of the invention car platform；
Fig. 4 is the hydraulic principle sketch of specific embodiment of the invention car platform；
Fig. 5 is the hydraulic control system schematic diagram of specific embodiment of the invention car platform；
Fig. 6 is the structure chart of the removable truck side tipple platform of the specific embodiment of the invention；
In figure: 1, fixing bar, 2, lorry baffle plate, 3, rolling bearing units, 4, rotary fastenings, 5, support axle bed, 6, ramp structure part, 7, work shape part, 8, sleeve, 9, hydraulic cylinder vestibule, 10, renovate, 11, gripper shoe, 12, base plate, 13, axle bed, 14, major axis, 15, piston rod, 16, first bevel gear, 17, second bevel gear, 18, tooth bar, 19, short axle, 20, spur gear, 21, hydraulic cylinder, 22, paliform hole, 23, firm banking, 24, caster bracket, 25, universal wheel, 26, 3rd hydraulic cylinder, 27, second hydraulic cylinder, 28, second hydraulic lock, 29, first hydraulic cylinder, 30, first hydraulic lock, 31, overflow valve, 32, oil cylinder, 33, pump, 34, check valve, 35, electrohydraulic servo valve, 36, first electric-hydraulic proportion flow divider, 37, second electric-hydraulic proportion flow divider, 38, 4th hydraulic lock, 39, 3rd hydraulic lock。
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, mutual alignment between the such as involved shape of each component of the specific embodiment of the present invention, structure, each several part and annexation, effect and operation principle, the manufacturing process of each several part and operate with method etc., it is described in further detail, to help those skilled in the art that the inventive concept of the present invention, technical scheme are had more complete, accurate and deep understanding。
As it is shown in figure 1, a kind of removable truck side tipple platform, raise take hydraulic control system including rollover actuator, the universal wheel jacking system being arranged in rollover actuator and power。
Described rollover actuator includes being arranged on the base plate 12 on ground, is arranged on the gripper shoe 11 of base plate 12 upper end and is arranged on and renovates 10 in gripper shoe 11, and described base plate 12, gripper shoe 11 are all that rectangle and area equation, shape are identical with the vertical projection renovating 10。The upper surface of gripper shoe 11 and base plate 12 fits tightly, and in order to fix and keep the steady of base plate 12, the bottom of base plate 12 is provided with 4 firm bankings 23。In order to strengthen the rigidity of base plate 12, described base plate 12 vertical projection minor face be provided with ramp structure 6。The side of gripper shoe 11 be respectively arranged at the two ends with one support axle bed 5, support axle bed 5 be provided with rotary fastenings 4, two rotary fastenings 4 are connected with the edge renovating 10, and so renovating 10 can rotate around gripper shoe 11。The top renovating 10 is provided with two axle beds 13 and a lorry baffle plate 2, and lorry baffle plate 2 is vertical with the upper face renovating 10, and axle bed 13 is provided with fixing bar 1。Renovating, in order to give, the power that 10 offers rotate, described gripper shoe 11 is provided with hydraulic cylinder vestibule 9, and hydraulic cylinder vestibule 9 is provided with hydraulic cylinder 21 and the piston rod 15 being connected with hydraulic cylinder 21, and hydraulic cylinder vestibule 9 is connected by bearing pin with hydraulic cylinder 21。Piston rod 15 is connected with renovating 10 away from one end of hydraulic cylinder 21, and hydraulic cylinder 21 drives piston rod 15 to move thus driving and renovating 10 rotations。
Described universal wheel jacking system is arranged in gripper shoe 11, four work shape parts 7 that universal wheel jacking system includes being arranged in gripper shoe 11 and four sleeves 8, two short axles 19, major axis 14, it is arranged on the rolling bearing units 3 on work shape part 7, being arranged on the tooth bar 18 on sleeve 8, the lower end of tooth bar 18 is provided with caster bracket 24, and described caster bracket 24 is provided with universal wheel 25。Described major axis 14 is arranged on the rolling bearing units 3 on two work shape parts 7, short axle 19 is arranged on the rolling bearing units 3 on a work shape part 7, the rolling bearing units 3 being arranged on major axis 14 are arranged on the two ends of major axis 14, the rolling bearing units 3 being arranged on short axle 19 are arranged on the middle part of short axle 19, and the axis of major axis 14 and short both axles 19 is mutually perpendicular to。Short axle 19 will be passed to for the kinetic energy on major axis 14 and moment of torsion, the end, one end that major axis 14 is relative with short axle 19 is provided with the first bevel gear 16, the end, one end that short axle 19 is relative with major axis 14 is provided with the second bevel gear 17, and the first bevel gear 16 and the second bevel gear 17 engage each other。Universal wheel 25 in order to be can move up and down, described short axle 19 be respectively arranged at the two ends with a spur gear 20, described spur gear 20 engages with tooth bar 18, and spur gear 20 rotates band carry-over bar 18 and moves, thus driving universal wheel 25 to move up and down。
In order to alleviate the system weight of structure and facilitate universal wheel 25 to move up and down, described base plate 12 is provided with some paliform holes 22, the lower end of tooth bar 18 is with caster bracket 24 and universal wheel 25 traverse paliform hole 22, and the diameter of universal wheel 25 is less than the diameter of paliform hole 22 inscribed circle。
Described force servo hydraulic control system includes force servo hydraulic control circuit and oil supply system, described force servo hydraulic control circuit includes three the first hydraulic cylinders 29 in parallel, second hydraulic cylinder 27 and the 3rd hydraulic cylinder 26, the first hydraulic lock 30 being connected with the first hydraulic cylinder 29 oil-in, the second hydraulic lock 28 being connected with the second hydraulic cylinder 27 oil-in, the 3rd hydraulic lock 39 being connected with the 3rd hydraulic cylinder 26 oil-in, connect the second electric-hydraulic proportion flow divider 37 of the second hydraulic lock 28 and the 3rd hydraulic lock 39, connect the first electric-hydraulic proportion flow divider 36 of the second electric-hydraulic proportion flow divider 37 and the first hydraulic lock 30, connect the first hydraulic cylinder 29, 4th hydraulic lock 38 of the second hydraulic cylinder 27 and the 3rd hydraulic cylinder 26 place hydraulic fluid port, the electrohydraulic servo valve 35 being connected with the 4th hydraulic lock 38 and the first electric-hydraulic proportion flow divider 36, electrohydraulic servo valve 35 is connected with fuel tank 32 and check valve 34 respectively, check valve 34 is connected by pipeline with fuel tank, pipeline between check valve 34 and fuel tank 32 is provided with the pump 33 providing power。For preventing overload, the outlet of check valve 34 is also connected with overflow valve 31, and the outlet of overflow valve 31 is connected with fuel tank 32；First hydraulic lock the 30, second hydraulic lock the 28, the 3rd hydraulic lock 39 and the 4th hydraulic lock 38 be second overflow valve in parallel respectively, and the inlet and outlet of the second overflow valve is connected with the export and import of first hydraulic lock the 30, second hydraulic lock the 28, the 3rd hydraulic lock 39 and the 4th hydraulic lock 38 respectively。
The top of described piston rod 15 is additionally provided with the pressure transducer that force signal can be converted into the signal of telecommunication, and gripper shoe 11 is provided with D/A sensor, A/D sensor and computer。If pressure transducer detects that pressure is excessive, force signal is converted into the signal of telecommunication and feeds back to computer by pressure transducer, computer distributes different proportion flow by controlling electric-hydraulic proportion electric-hydraulic proportion flow divider 26, thus controlling first hydraulic cylinder the 29, second hydraulic cylinder 27 and the 3rd hydraulic cylinder 26 exports different dynamic respectively。
The work process of a kind of removable truck side tipple platform: with trailer, truck side down tilt platform is dragged to goods place, is risen by universal wheel 25, is fixed base 12 and ground with screw。Lorry is travelled above rollover platform, rise fixing bar 1, hook truck with the hook fastened on fixing bar 1。At this moment driver opens boxcar breast board, and then operator releases the button and implements rollover, renovates 10 and slowly rotates to nearly about 35 degree automatic lockings, completes rollover goods。After completing goods, unclamp the nut of base 12 and ground。Open motor and fall universal wheel 15, with trailer, rollover platform is dragged to warehouse。
Above in conjunction with accompanying drawing, the present invention is exemplarily described; the obvious present invention implements and is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that the design of the method for the present invention carries out with technical scheme; or the not improved design by the present invention and technical scheme directly apply to other occasion, all within protection scope of the present invention。Protection scope of the present invention should be as the criterion with claims protection defined。
Claims (10)
1. a removable truck side tipple platform, it is characterised in that: described removable truck side tipple platform include rollover actuator, be arranged on rollover actuator on universal wheel jacking system and power raise and take hydraulic control system。
2. removable truck side tipple platform according to claim 1, it is characterized in that: described rollover actuator includes being arranged on the base plate (12) on ground, is arranged on the gripper shoe (11) of base plate (12) upper end and is arranged on renovating (10) in gripper shoe (11), described base plate (12), gripper shoe (11) are all that rectangle and area equation, shape are identical with the vertical projection renovating (10)；The side of gripper shoe (11) be respectively arranged at the two ends with one support axle bed (5), support axle bed (5) and be provided with rotary fastenings (4), two rotary fastenings (4) are connected with the edge renovating (10), and the top renovating (10) is provided with two axle beds (13) and a lorry baffle plate (2)；Axle bed (13) is provided with fixing bar (1)；Described gripper shoe (11) is provided with hydraulic cylinder vestibule (9), hydraulic cylinder vestibule (9) is provided with hydraulic cylinder (21) and the piston rod (15) being connected with hydraulic cylinder (21), and piston rod (15) is connected with renovating (10) away from one end of hydraulic cylinder (21)。
3. removable truck side tipple platform according to claim 2, it is characterized in that: the upper surface of described gripper shoe (11) and base plate (12) fits tightly, and the bottom of base plate (12) is provided with 4 firm bankings (23)。
4. removable truck side tipple platform according to claim 2, it is characterised in that: described lorry baffle plate (2) is vertical with the upper face renovating (10)。
5. removable truck side tipple platform according to claim 2, it is characterized in that: described universal wheel jacking system is arranged in gripper shoe (11), four works shape part (7) that universal wheel jacking system includes being arranged in gripper shoe (11) and four sleeves (8), two short axles (19), major axis (14), it is arranged on the rolling bearing units (3) in work shape part (7), it is arranged on the tooth bar (18) on sleeve (8), the lower end of tooth bar (18) is provided with tooth bar caster bracket (24), described tooth bar caster bracket (24) is provided with universal wheel (25)。
6. removable truck side tipple platform according to claim 5, it is characterized in that: described major axis (14) is arranged on the rolling bearing units (3) on two works shape part (7), major axis (14) is connected with motor, short axle (19) is arranged on the rolling bearing units (3) on work shape part (7), the rolling bearing units (3) being arranged on major axis (14) are arranged on the two ends of major axis (14), the rolling bearing units (3) being arranged on short axle (19) are arranged on the middle part of short axle (19), major axis (14) and short axle (19) both axis are mutually perpendicular to, two short axles (19) are parallel to each other；The end, one end that major axis (14) is relative with short axle (19) is additionally provided with the first bevel gear (16), the end, one end that short axle (19) is relative with major axis (14) is provided with the second bevel gear (17), the first bevel gear (16) and the second bevel gear (17) and engages each other；Described short axle (19) be respectively arranged at the two ends with a spur gear (20) engaged with tooth bar (18)。
7. removable truck side tipple platform according to claim 2, it is characterized in that: described base plate (12) is provided with some paliform holes (22), the lower end of tooth bar (18), tooth bar caster bracket (24) and universal wheel (25) traverse paliform hole (22)。
8. removable truck side tipple platform according to claim 7, it is characterised in that: the diameter of described universal wheel (25) is less than the diameter of paliform hole (22) inscribed circle。
9. removable truck side tipple platform according to claim 1, it is characterized in that: described force servo hydraulic control system includes force servo hydraulic control circuit and oil supply system, described force servo hydraulic control circuit includes three the first hydraulic cylinders (29) in parallel, second hydraulic cylinder (27) and the 3rd hydraulic cylinder (26), the first hydraulic lock (30) being connected with the first hydraulic cylinder (29) oil-in, the second hydraulic lock (28) being connected with the second hydraulic cylinder (27) oil-in, the 3rd hydraulic lock (39) being connected with the 3rd hydraulic cylinder (26) oil-in, connect the second electric-hydraulic proportion flow divider (37) of the second hydraulic lock (28) and the 3rd hydraulic lock (39), connect the first electric-hydraulic proportion flow divider (36) of the second electric-hydraulic proportion flow divider (37) and the first hydraulic lock (30), connect the first hydraulic cylinder (29), 4th hydraulic lock (38) of the second hydraulic cylinder (27) and the 3rd hydraulic cylinder (26) place hydraulic fluid port, the electrohydraulic servo valve (35) being connected with the 4th hydraulic lock (38) and the first electric-hydraulic proportion flow divider (36), electrohydraulic servo valve (35) is connected with fuel tank (32) and check valve (34) respectively, check valve (34) is connected by pipeline with fuel tank, pipeline between check valve (34) and fuel tank (32) is provided with the pump (33) providing power；The outlet of check valve (34) is also connected with overflow valve (31), and the outlet of overflow valve (31) is connected with fuel tank (32)；First hydraulic lock (30), the second hydraulic lock (28), the 3rd hydraulic lock (39) and the 4th hydraulic lock (38) be second overflow valve in parallel respectively, and the inlet and outlet of the second overflow valve is connected with the export and import of the first hydraulic lock (30), the second hydraulic lock (28), the 3rd hydraulic lock (39) and the 4th hydraulic lock (38) respectively。
10. the method for work of a removable truck side tipple platform, it is characterised in that: step one: truck side down tilt platform is dragged to goods place with trailer；Step 2: risen by universal wheel (25), is fixed base plate (12) and ground with screw；Step 3: lorry is travelled above rollover platform, rise fixing bar (1), hook truck with the hook fastened on fixing bar (1)；Step 4: driver opens boxcar breast board；Step 5: operator releases the button and implements rollover, renovates (10) and slowly rotates to 35 degree of automatic lockings, completes rollover goods；Step 6: after completing goods, unclamps the nut of base plate (12) and ground；Step 7: open motor and regain universal wheel (25), with trailer, rollover platform is dragged to warehouse。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256712.9A CN105692252A (en) | 2016-04-23 | 2016-04-23 | Movable truck side-tipping unloading platform and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256712.9A CN105692252A (en) | 2016-04-23 | 2016-04-23 | Movable truck side-tipping unloading platform and working method thereof |
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| Publication Number | Publication Date |
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| CN105692252A true CN105692252A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610256712.9A Pending CN105692252A (en) | 2016-04-23 | 2016-04-23 | Movable truck side-tipping unloading platform and working method thereof |
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| CN (1) | CN105692252A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585603A (en) * | 2017-09-25 | 2018-01-16 | 中铁第四勘察设计院集团有限公司 | A kind of high ferro logistics handling system and method |
| CN110282457A (en) * | 2019-07-08 | 2019-09-27 | 安徽云龙粮机有限公司 | A kind of movable type side dumping platform |
| CN112901599A (en) * | 2021-01-26 | 2021-06-04 | 中车青岛四方机车车辆股份有限公司 | Hydraulic power unit, carriage lifting system and rail vehicle |
| CN115303827A (en) * | 2022-08-12 | 2022-11-08 | 哈尔滨峰雷重工机械装备科技有限公司 | Automobile rollover sweeper and sweeping method |
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| CN204896861U (en) * | 2015-07-24 | 2015-12-23 | 九江正大饲料有限公司 | Side lift -type automatic discharge platform |
| CN205526793U (en) * | 2016-04-23 | 2016-08-31 | 安徽工程大学 | Portable freight train platform of unloading of turning on one's side |
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| US6402451B1 (en) * | 1999-10-04 | 2002-06-11 | Herbert Louis Brown | Drive across low-profile portable hydraulic trailer dumper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585603A (en) * | 2017-09-25 | 2018-01-16 | 中铁第四勘察设计院集团有限公司 | A kind of high ferro logistics handling system and method |
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| CN112901599A (en) * | 2021-01-26 | 2021-06-04 | 中车青岛四方机车车辆股份有限公司 | Hydraulic power unit, carriage lifting system and rail vehicle |
| CN112901599B (en) * | 2021-01-26 | 2022-11-29 | 中车青岛四方机车车辆股份有限公司 | Hydraulic power unit, carriage lifting system and rail vehicle |
| CN115303827A (en) * | 2022-08-12 | 2022-11-08 | 哈尔滨峰雷重工机械装备科技有限公司 | Automobile rollover sweeper and sweeping method |
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Application publication date: 20160622 |
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