CN105417376A - Discharging device - Google Patents

Discharging device Download PDF

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Publication number
CN105417376A
CN105417376A CN201511026178.4A CN201511026178A CN105417376A CN 105417376 A CN105417376 A CN 105417376A CN 201511026178 A CN201511026178 A CN 201511026178A CN 105417376 A CN105417376 A CN 105417376A
Authority
CN
China
Prior art keywords
hydraulic
piston rod
cylinder body
suspension bracket
cylinder
Prior art date
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.)
Granted
Application number
CN201511026178.4A
Other languages
Chinese (zh)
Other versions
CN105417376B (en
Inventor
段俊峰
徐素兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Shuoli Heavy Industry Co Ltd
Original Assignee
Suzhou Shuoli Heavy Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Shuoli Heavy Industry Co Ltd filed Critical Suzhou Shuoli Heavy Industry Co Ltd
Priority to CN201511026178.4A priority Critical patent/CN105417376B/en
Publication of CN105417376A publication Critical patent/CN105417376A/en
Application granted granted Critical
Publication of CN105417376B publication Critical patent/CN105417376B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/12Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/18Control systems or devices
    • B66C13/40Applications of devices for transmitting control pulses; Applications of remote control devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

The invention discloses a discharging device. The discharging device comprises a lifting ring at the top end, at least two suspending ropes connected with the lifting ring, a lifting frame transversely connected to the bottom ends of the at least two suspending ropes, a supporting rope, a pulling rope and a carrying hopper suspended below the lifting frame. A hydraulic system and a hydraulic control system are arranged in the lifting frame. The hydraulic system comprises a hydraulic cylinder and an energy storage device. The hydraulic control system controls circulation of hydraulic oil between the hydraulic cylinder and the energy storage device. The hydraulic cylinder comprises a cylinder body and a piston rod. The piston rod comprises a first end located in the cylinder body and a second end located outside the cylinder body. One of the piston rod and the cylinder body can move in the circulating process of the hydraulic oil, and the other one of the piston rod and the cylinder body is kept fixed in the circulating process of the hydraulic oil. One end of the carrying hopper is connected to the lower portion of the lifting frame through the supporting rope, and the other end of the carrying hopper is connected with the one, capable of moving, of the piston rod and the cylinder body through the pulling rope. The discharging device is easy to operate, and loading and unloading of large-block-type materials are achieved.

Description

Device for discharging
Technical field
The present invention relates to a kind of device for discharging, especially a kind of wireless remote control device for discharging of applicable bulk materials handling.
Background technology
In known technology now, the handling of lump material in bulk adopt special implement or the equipment of the relative maturity such as the string bag, grab bucket, loader, excavating machine usually.But, large for some bodily forms, volume is not of uniform size and the large-block material such as mountain stone, broken concrete of profile irregularity, still lacks applicable efficient loading and unloading apparatus.
Filling out in the construction of extra large random riprap, mostly using string bag loading and unloading operation by prior art, needing manually to link up with, and the unhook that lands, security risk is high, operating efficiency is low, and string bag loss is large; If use cable type orange-peel bucket or the operation of electric hydaulic orange-peel bucket, because of often occur grabbing when volume of material is not of uniform size, different and grab bucket self structure reason captures tight, embrace the situation that unreal, pocket do not live, get half the result with twice the effort, safety and work efficiency can not get effective guarantee.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of device for discharging, described device for discharging is simple to operate, improve operating efficiency, and solve a large-block material handling difficult problem.
The present invention in order to the technical scheme solving its technical matters and adopt is: a kind of device for discharging, comprise the suspension ring on top, at least two pendant lines be connected with suspension ring and the suspension bracket being laterally connected at least two pendant line bottoms, hydraulic efficiency pressure system and hydraulic control system is provided with in described suspension bracket, described hydraulic efficiency pressure system comprises hydraulic ram and energy storage equipment, the circulation of hydraulic control system hydraulic control oil between hydraulic ram and energy storage equipment, hydraulic ram comprises cylinder body and piston rod, described piston rod comprises the first end being positioned at cylinder body and the second end be positioned at outside cylinder body, one of them in piston rod and cylinder body can be moved in hydraulic oil cyclic process and another one in piston rod and cylinder body keeps motionless in hydraulic oil cyclic process, be provided with support rope, trailing cable and the goods charging bucket hung on below suspension bracket, one end of described goods charging bucket is by supporting that rope is connected to the below of suspension bracket, the other end of described goods charging bucket is connected by that can move in trailing cable and above-mentioned piston rod and cylinder body.
As a further improvement on the present invention, described hydraulic ram rod chamber side is provided with cylinder top hydraulic fluid port, hydraulic efficiency pressure system comprises electromagnetic valve, two-port valve and the first check valve, energy storage equipment is connected to cylinder top hydraulic fluid port by the two-port valve of solenoid control, energy storage equipment is also connected to cylinder top hydraulic fluid port by the first check valve, the break-make of hydraulic control system Controlling solenoid valve.
As a further improvement on the present invention, be provided with independent of the hand-held remote control projector outside suspension bracket and the wireless remote controlled receiver in suspension bracket, can dock by radio between wireless remote controlled receiver with hand-held remote control projector, described wireless remote controlled receiver is electrically connected with hydraulic control system.
As a further improvement on the present invention, described hydraulic ram rodless cavity side is provided with cylinder bottom hydraulic fluid port, and described cylinder bottom hydraulic fluid port communicates with ambient atmosphere.
As a further improvement on the present invention, be provided with fuel tank and the second check valve, fuel tank is connected to the cylinder top hydraulic fluid port of hydraulic ram rod chamber side by the second check valve.
As a further improvement on the present invention, described trailing cable is connected with the second end of piston rod.
As a further improvement on the present invention, be provided with fixed pulley in described suspension bracket, described trailing cable is set around on fixed pulley.
As a further improvement on the present invention, the second end of described piston rod is between cylinder body and fixed pulley.
As a further improvement on the present invention, described suspension bracket bottom is provided with conductor rope cover, and described trailing cable passes suspension bracket by conductor rope cover.
As a further improvement on the present invention, be provided with shackle, the described lower end of support rope and the lower end of trailing cable are all connected with goods charging bucket by shackle.
The invention has the beneficial effects as follows: device for discharging of the present invention, use wireless remote control and hydraulic principle, by the circulation of wireless remote control hydraulic oil to hydraulic control system instruction thus in hydraulic control system, realize hydraulic energy and change mechanical energy into, namely trailing cable slides up and down the horizontal and inclination that control goods charging bucket, thus realize the carrying of material and dump, simple to operate, raising operating efficiency, and solve a large-block material handling difficult problem.
Accompanying drawing explanation
Fig. 1 is the block diagram of device for discharging of the present invention;
Fig. 2 is the block diagram of the suspension bracket assembly of device for discharging of the present invention;
Fig. 3 is the block diagram of the hydraulic efficiency pressure system of device for discharging of the present invention;
Fig. 4 is the schematic diagram that device for discharging of the present invention arrives at charging place;
Fig. 5 is the schematic diagram of device for discharging loaded material of the present invention;
Fig. 6 is that device for discharging of the present invention is fully loaded with rear crane lifting and leaves the schematic diagram on ground;
Fig. 7 is the schematic diagram in device for discharging transportation of the present invention;
Fig. 8 is that device for discharging of the present invention arrives at discharging place and operates the schematic diagram of hand-held remote control transmitter and discharging;
Fig. 9 is the complete schematic diagram of device for discharging discharging of the present invention.
Contrast above accompanying drawing, be supplemented as follows explanation:
1---suspension ring 2---pendant line
3---suspension bracket 4---hydraulic efficiency pressure system
41---hydraulic ram 411---cylinder body
412---piston rod 4121---first end
4122---second end 413---hydraulic ram rod chamber
4130---cylinder top hydraulic fluid port 414---hydraulic ram rodless cavity
4140---cylinder bottom hydraulic fluid port 42---energy storage equipment
43---electromagnetic valve 44---two-port valve
45---first check valve 46---fuel tank
47---second check valve 5---hydraulic control system
6---supports rope 7---trailing cable
8---goods charging bucket 9---hand-held remote control projector
10---wireless remote controlled receiver 11---fixed pulley
12---conductor rope cover 13---shackle
Detailed description of the invention
A kind of device for discharging of system of the present invention, comprise the suspension ring 1 on top, at least two pendant lines 2 be connected with suspension ring 1 and be laterally connected in the suspension bracket 3 of at least two pendant lines 2 bottom, hydraulic efficiency pressure system 4 and hydraulic control system 5 is provided with in described suspension bracket 3, described hydraulic efficiency pressure system 4 comprises hydraulic ram 41 and energy storage equipment 42, the circulation of hydraulic control system 5 hydraulic control oil between hydraulic ram 41 and energy storage equipment 42, hydraulic ram 41 comprises cylinder body 411 and piston rod 412, described piston rod 412 comprises the first end 4121 being positioned at cylinder body 411 and the second end 4122 be positioned at outside cylinder body 411, one of them in piston rod 412 and cylinder body 411 can be moved in hydraulic oil cyclic process and another one in piston rod 412 and cylinder body 411 keeps motionless in hydraulic oil cyclic process.Device for discharging of the present invention is provided with the goods charging bucket 8 supported rope 6, trailing cable 7 and hang on below suspension bracket 3, one end of described goods charging bucket 8 is by supporting that rope 6 is connected to the below of suspension bracket 3, and the other end of described goods charging bucket 8 is connected by that can move in trailing cable 7 and above-mentioned piston rod 412 and cylinder body 411.
In device for discharging preferred implementation of the present invention be that piston rod 412 can move in hydraulic oil cyclic process and cylinder body 411 keeps motionless in hydraulic oil cyclic process, therefore, described trailing cable 7 is connected with the second end 4122 of piston rod 412.
The right chamber that described hydraulic ram 41 has piston rod 412 to stretch out is hydraulic ram rod chamber 413, and the left chamber not having piston rod 412 to stretch out is hydraulic ram rodless cavity 414.Described hydraulic ram rod chamber 413 side is provided with cylinder top hydraulic fluid port 4130, hydraulic efficiency pressure system 4 comprises electromagnetic valve 43, two-port valve 44 and the first check valve 45, energy storage equipment 42 is connected to cylinder top hydraulic fluid port 4130 by the two-port valve 44 that electromagnetic valve 43 controls, energy storage equipment 42 is also connected to cylinder top hydraulic fluid port 4130 by the first check valve 45, the break-make of hydraulic control system 5 Controlling solenoid valve 43.The circulating direction of the first check valve 45 is from energy storage equipment 42 to hydraulic ram 41, and hydraulic ram 41 is non-return to energy storage equipment 42 direction.
Device for discharging of the present invention is provided with independent of the hand-held remote control projector 9 outside suspension bracket 3 and the wireless remote controlled receiver 10 in suspension bracket 3, can dock by radio between wireless remote controlled receiver 10 with hand-held remote control projector 9, described wireless remote controlled receiver 10 is electrically connected with hydraulic control system 5.Operator presses hand-held remote control projector 9, sends impulse singla to wireless remote controlled receiver 10, and wireless remote controlled receiver 10 is energized to electromagnetic valve 43 by hydraulic control system 5; Shut-down operation hand-held remote control projector 9, impulse singla stops, electromagnetic valve 43 dead electricity.
Hydraulic oil being circulated throughout between hydraulic ram 41 and energy storage equipment 42 is called: electromagnetic valve 43 obtains electric, two-port valve 44 leads to, because described energy storage equipment 42 initial pressure value is less than the force value in hydraulic ram 41 rod chamber, in described rod chamber, hydraulic oil backs down the spool press-in energy storage equipment 42 of two-port valve 44 and stores; Electromagnetic valve 43 dead electricity, two-port valve 44 breaks, and the hydraulic oil that described energy storage equipment 42 stores is entered in hydraulic ram 41 rod chamber by the first check valve 45.
Described hydraulic ram rodless cavity 414 side is provided with cylinder bottom hydraulic fluid port 4140, and described cylinder bottom hydraulic fluid port 4140 communicates with ambient atmosphere.Maintain atmospheric pressure in rodless cavity, be convenient to piston rod 412 and move.
Device for discharging of the present invention is provided with fuel tank 46 and the second check valve 47, and fuel tank 46 is connected to the cylinder top hydraulic fluid port 4130 of hydraulic ram rod chamber 413 side by the second check valve 47.The circulating direction of the second check valve 47 is from fuel tank 46 to hydraulic ram 41, and hydraulic ram 41 is non-return to fuel tank 46 direction.Fuel tank 46 of the present invention only works as when servicing fluids force feed or replenisher force feed.Because energy storage equipment 42 has initially set less force value, and without pressure in fuel tank 46, so the second check valve 47 be connected with fuel tank 46 is in closed condition all the time when hydraulic efficiency pressure system 4 normally works.
Further, be provided with fixed pulley 11 in the suspension bracket 3 of device for discharging of the present invention, described trailing cable 7 is set around on fixed pulley 11.Described fixed pulley 11 has directional tagging.Second end 4122 of described piston rod 412 is between cylinder body 411 and fixed pulley 11.Described suspension bracket 3 bottom is provided with conductor rope cover 12, and described trailing cable 7 overlaps 12 by conductor rope and passes suspension bracket 3.
Device for discharging of the present invention is provided with shackle 13, and the lower end of described support rope 6 and the lower end of trailing cable 7 are all connected with goods charging bucket 8 by shackle 13, is convenient to goods charging bucket 8 and disassembles from support rope 6 and trailing cable 7.The upper end of described support rope 6 is also connected with suspension bracket 3 by shackle 13, and the upper end of described pendant line 2 is also connected with suspension ring 1 by shackle 13, and the lower end of pendant line 2 is also connected with suspension bracket 3 by shackle 13, is all design requirements for convenience detach.Described suspension ring 1 are connected with crane hook or other attaching parts.
Operator system is by operate wireless remote control transmitter 9 hydraulic control system 4, and concrete work cycle process please refer to Fig. 4 to Fig. 9:
When goods charging bucket 8 at full load, crane lifting, take device for discharging of the present invention liftoff or leave stockpile, tensioning is stressed under load for the support rope 6 be now connected with goods charging bucket 8 and trailing cable 7, and trailing cable 7 passes to piston rod 412 1 pulling force by fixed pulley 11.Now, in described hydraulic ram rod chamber 413, pressure set up by hydraulic oil, and piston rod 412 is in the state of being fully retracted, and can not be stretched, and goods charging bucket 8 keeps horizontal state.
When device for discharging of the present invention is migrated to emptying point by hoisting crane, operate wireless remote control transmitter 9, wireless remote controlled receiver 10 Received signal strength, the hydraulic control system 5 be electrically connected with wireless remote controlled receiver 10 sends instruction, electromagnetic valve 43 obtains electric, in described hydraulic ram rod chamber 413, hydraulic oil backs down two-port valve 44 spool press-in energy storage equipment 42 and stores, now goods charging bucket 8 is under load effect, piston rod 412 is stretched out, trailing cable 7 is descending by fixed pulley 11, goods charging bucket 8 is inclined, and emptying point poured into by material.After completing material unloading, shut-down operation wireless remote control emitter 9, wireless remote controlled receiver 10 does not have Signal reception, the hydraulic control system 5 be electrically connected with wireless remote controlled receiver 10 stops sending instruction, electromagnetic valve 43 dead electricity, but due to support rope 6 and trailing cable 7 still tensioning under self gravitation effect of goods charging bucket 8, heeling condition when goods charging bucket 8 is still in discharging.
The device for discharging of the present invention completing discharging is moved to feeding place by hoisting crane, is steadily shelved on place or stockpile by goods charging bucket 8, and starts to goods charging bucket 8 feeding after support rope 6 is in relaxed state with trailing cable 7.After supporting that rope 6 and trailing cable 7 are in relaxed state, the hydraulic oil stored in energy storage equipment 42 is just discharged by the first check valve 45 and is pressed in hydraulic ram rod chamber 413, piston rod 412 is retracted into by hydraulic oil pressure, drag trailing cable 7 to go upward to after goods charging bucket 8 leaves ground and revert to horizontal state, wait for next discharge operation, and complete a work cycle.
To sum up, electromagnetic valve 43 electric and dead electricity is the insufficient condition of necessity of goods charging bucket 8 State Transferring, also will see and support that rope 6 and trailing cable 7 are in tensioning state or relaxed state, namely whether trailing cable 7 passes to piston rod 412 1 pulling force.In other words, pulling force namely produced before electromagnetic valve 43 energising starts, and just disappears after electromagnetic valve 43 energising terminates, therefore, have pulling force and electromagnetic valve 43 be energized when, hydraulic oil is from hydraulic ram 41 pressure release to energy storage equipment 42, piston rod 412 stretches out, and goods charging bucket 8 tilts; Electromagnetic valve 43 dead electricity and pulling force without when, hydraulic oil is back to hydraulic ram 41 from energy storage equipment 42, and piston rod 412 is retracted, goods charging bucket 8 horizontal.
Device for discharging of the present invention adopts goods charging bucket 8 to deliver material, solves the security risk that the closed not close caused material of grab bucket spills or falls; Eliminate the string bag and take off the loss linking up with security risk and the string bag brought; Realize optional position discharging with wireless remote control, change string bag operation and must to land unhook discharging, improve operating efficiency.

Claims (10)

1. a device for discharging, comprise the suspension ring on top, at least two pendant lines be connected with suspension ring and the suspension bracket being laterally connected at least two pendant line bottoms, hydraulic efficiency pressure system and hydraulic control system is provided with in described suspension bracket, described hydraulic efficiency pressure system comprises hydraulic ram and energy storage equipment, the circulation of hydraulic control system hydraulic control oil between hydraulic ram and energy storage equipment, hydraulic ram comprises cylinder body and piston rod, described piston rod comprises the first end being positioned at cylinder body and the second end be positioned at outside cylinder body, one of them in piston rod and cylinder body can be moved in hydraulic oil cyclic process and another one in piston rod and cylinder body keeps motionless in hydraulic oil cyclic process, it is characterized in that: be provided with support rope, trailing cable and the goods charging bucket hung on below suspension bracket, one end of described goods charging bucket is by supporting that rope is connected to the below of suspension bracket, the other end of described goods charging bucket is connected by that can move in trailing cable and above-mentioned piston rod and cylinder body.
2. device for discharging according to claim 1, it is characterized in that: described hydraulic ram rod chamber side is provided with cylinder top hydraulic fluid port, hydraulic efficiency pressure system comprises electromagnetic valve, two-port valve and the first check valve, energy storage equipment is connected to cylinder top hydraulic fluid port by the two-port valve of solenoid control, energy storage equipment is also connected to cylinder top hydraulic fluid port by the first check valve, the break-make of hydraulic control system Controlling solenoid valve.
3. device for discharging according to claim 2, it is characterized in that: be provided with independent of the hand-held remote control projector outside suspension bracket and the wireless remote controlled receiver in suspension bracket, can dock by radio between wireless remote controlled receiver with hand-held remote control projector, described wireless remote controlled receiver is electrically connected with hydraulic control system.
4. device for discharging according to claim 2, is characterized in that: described hydraulic ram rodless cavity side is provided with cylinder bottom hydraulic fluid port, and described cylinder bottom hydraulic fluid port communicates with ambient atmosphere.
5. device for discharging according to claim 2, is characterized in that: be provided with fuel tank and the second check valve, and fuel tank is connected to the cylinder top hydraulic fluid port of hydraulic ram rod chamber side by the second check valve.
6. device for discharging according to claim 1, is characterized in that: described trailing cable is connected with the second end of piston rod.
7. device for discharging according to claim 6, is characterized in that: be provided with fixed pulley in described suspension bracket, and described trailing cable is set around on fixed pulley.
8. device for discharging according to claim 7, is characterized in that: the second end of described piston rod is between cylinder body and fixed pulley.
9. device for discharging according to claim 7, is characterized in that: described suspension bracket bottom is provided with conductor rope cover, and described trailing cable passes suspension bracket by conductor rope cover.
10. device for discharging according to claim 1, is characterized in that: be provided with shackle, and the described lower end of support rope and the lower end of trailing cable are all connected with goods charging bucket by shackle.
CN201511026178.4A 2015-12-31 2015-12-31 Device for discharging Active CN105417376B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511026178.4A CN105417376B (en) 2015-12-31 2015-12-31 Device for discharging

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Application Number Priority Date Filing Date Title
CN201511026178.4A CN105417376B (en) 2015-12-31 2015-12-31 Device for discharging

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CN105417376B CN105417376B (en) 2017-10-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106241607A (en) * 2016-10-13 2016-12-21 霍进铭 Device for discharging

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632941A1 (en) * 1988-06-17 1989-12-22 Saint Eloi Sarl Ateliers INSTALLATION OF LOADING AND / OR UNLOADING ARTICLES IN A CONTAINER
CN202481949U (en) * 2012-02-21 2012-10-10 上海基澎机械科技有限公司 Portal movable container crane
CN203372846U (en) * 2013-07-23 2014-01-01 鞍钢集团工程技术有限公司 Automatic unloading box device for converter overhead bunker loading
CN103836011A (en) * 2012-11-23 2014-06-04 武汉华液传动制造有限公司 Rapid pressurization system of hydraulic energy accumulator
CN105197777A (en) * 2015-10-16 2015-12-30 重庆宝汇建筑材料有限公司 Steel plate lifting appliance provided with two height-adjustable ends
CN205294639U (en) * 2015-12-31 2016-06-08 苏州硕力重工有限公司 Discharge device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2632941A1 (en) * 1988-06-17 1989-12-22 Saint Eloi Sarl Ateliers INSTALLATION OF LOADING AND / OR UNLOADING ARTICLES IN A CONTAINER
CN202481949U (en) * 2012-02-21 2012-10-10 上海基澎机械科技有限公司 Portal movable container crane
CN103836011A (en) * 2012-11-23 2014-06-04 武汉华液传动制造有限公司 Rapid pressurization system of hydraulic energy accumulator
CN203372846U (en) * 2013-07-23 2014-01-01 鞍钢集团工程技术有限公司 Automatic unloading box device for converter overhead bunker loading
CN105197777A (en) * 2015-10-16 2015-12-30 重庆宝汇建筑材料有限公司 Steel plate lifting appliance provided with two height-adjustable ends
CN205294639U (en) * 2015-12-31 2016-06-08 苏州硕力重工有限公司 Discharge device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106241607A (en) * 2016-10-13 2016-12-21 霍进铭 Device for discharging

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