CN105217502A - A kind of utilize gravitional force be used as power source air pressure drive container spreader - Google Patents

A kind of utilize gravitional force be used as power source air pressure drive container spreader Download PDF

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Publication number
CN105217502A
CN105217502A CN201510711134.9A CN201510711134A CN105217502A CN 105217502 A CN105217502 A CN 105217502A CN 201510711134 A CN201510711134 A CN 201510711134A CN 105217502 A CN105217502 A CN 105217502A
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China
Prior art keywords
suspender
container spreader
storage tank
expansion bracket
pneumatic system
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CN201510711134.9A
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Chinese (zh)
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CN105217502B (en
Inventor
肖汉斌
祝锋
刘敏
邹晟
许昌
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Wuhan Polytechnic Harbour And Navigation Science And Technology Research Institute Co ltd
Xiao Hanbin
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Wuhan University of Technology WUT
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Publication of CN105217502B publication Critical patent/CN105217502B/en
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Abstract

The present invention relates to container spreader technical field, refer in particular to a kind of utilize gravitional force be used as power source air pressure drive container spreader, container spreader comprises sling upper rack, suspender undercarriage and suspender expansion bracket, sling upper rack is located on suspender undercarriage, sling upper rack is provided with lifting pulley and energy storage equipment, suspender undercarriage is provided with flexible pneumatic system and controller, suspender undercarriage is corresponding with suspender expansion bracket to be connected, suspender expansion bracket is provided with rotation pneumatic system, guide piece and storage tank, be provided with drag chain between sling upper rack with suspender expansion bracket to be connected, drag chain inside is provided with tracheae and connects storage tank and flexible pneumatic system, revolve lock pneumatic system.Traditional hydraulic-driven, chain drive, as energy source, are replaced with pneumatic actuation by the gravitional force that the present invention passes through container spreader to decline, and adopt wireless remote control to control simultaneously, save cable and control line, effectively save electric energy.

Description

A kind of utilize gravitional force be used as power source air pressure drive container spreader
Technical field
The present invention relates to container spreader technical field, refer in particular to a kind of utilize gravitional force be used as power source and can realize Long-distance Control air pressure drive container spreader.
Background technology
At present, conveniently shipping, the standardized freight container of increasing goods transports, and along with the demand of freight container increases day by day, proposes more and more higher requirement to energy-conservation, the control of container spreader.
Existing container spreader is by sling upper rack, and suspender undercarriage, revolves lock actuating device, guide piece, suspender pulley, oil pump driving device and cable storage device composition.When container spreader drops to above freight container, after being located by guide piece, realized the locking action of the flexible of suspender and rotary-locking device by electrical motor driven hydraulic oil pump after suspender energising, thus complete the lifting of freight container, such suspender can consume a large amount of electric energy and hydraulic oil in operation process, need a large amount of cable power supplies, also need to arrange torque motor to realize automatic winding and the unwrapping wire of cable or wire simultaneously.
Summary of the invention
For above problem, the invention provides a kind of utilize gravitional force be used as power source air pressure drive container spreader, its gravitional force utilizing container spreader to decline to discharge is as propulsion source, traditional hydraulic-driven, chain drive are replaced with pneumatic actuation, can realize energy-conservation, adopt wireless remote control to carry out remote operation to controller, abridged control line and cable simultaneously, no longer need to arrange torque motor.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of utilize gravitional force be used as power source air pressure drive container spreader, container spreader comprises sling upper rack, suspender undercarriage and suspender expansion bracket, sling upper rack is located on suspender undercarriage, sling upper rack is provided with lifting pulley and energy storage equipment, suspender undercarriage is provided with flexible pneumatic system and controller, suspender undercarriage is corresponding with suspender expansion bracket to be connected, suspender expansion bracket is provided with and revolves lock pneumatic system, guide piece and storage tank, be provided with drag chain between sling upper rack with suspender expansion bracket to be connected, drag chain inside is provided with tracheae and connects storage tank and flexible pneumatic system, revolve lock pneumatic system.
Furthermore, described container spreader is provided with the steel rope of regular length, suspender running block and suspender fixed pulley group, and (rope capacity and fixed pulley, movable pulley number are determined by the Maximum Descent Height of container spreader, regulated by pulley block ratio, compression cylinder stroke can meet suspender Maximum Descent Height), suspender fixed pulley group correspondence is provided with two dolly fixed pulleys, steel rope is wound on suspender running block, suspender fixed pulley group and two dolly fixed pulleys successively, and steel rope is corresponding with energy storage equipment to be arranged.
Furthermore, described energy storage equipment comprises air compressing cylinder, and air compressing cylinder is shaping is provided with rodless cavity and rod chamber, is provided with energy stroage spring and piston in rod chamber, air compressing cylinder is provided with blow off valve and air suction valve, and steel rope is through at energy stroage spring and is connected to piston.
Furthermore, described storage tank is provided with safety valve, and storage tank is connected with three-position four-way electromagnetic directional valve, and three-position four-way electromagnetic directional valve is connected with flow regulating valve, flow regulating valve is connected with locking straight-line motion cylinder, and locking straight-line motion cylinder is provided with retraction limit switch and stretches out limit switch.
Furthermore, described storage tank is provided with safety valve, and storage tank is connected with three-position four-way electromagnetic directional valve, and three-position four-way electromagnetic directional valve is connected with flow regulating valve, flow regulating valve is connected with locking oscillating type cylinder, and locking oscillating type cylinder is provided with lock limit switch and unblock limit switch.
Furthermore, described drag chain A end is connected with suspender undercarriage, and drag chain B holds and is connected with suspender expansion bracket, described drag chain inner hollow and be provided with tracheae, tracheae one end is held with pneumatic system of stretching by drag chain A, is revolved and lock pneumatic system and be connected, and the tracheae other end passes through drag chain B and holds and be connected with storage tank.
Furthermore, described suspender undercarriage is provided with controller, for controlling the flexible of container spreader and revolving lock action, with the remote controller wireless connections of driver's cab.
Beneficial effect of the present invention:
The gravitional force that the present invention declines using container spreader stretches as telescopic boom and revolves the propulsion source of lock, changes the energy supply form of suspender operation, achieves energy-conservation; Gravitional force energy supply eliminates cable, and Long-distance Control eliminates control line simultaneously, makes suspender need not arrange torque motor and comes folding and unfolding cable and control line, and it is convenient to control; Traditional hydraulic-driven, chain drive are replaced with air pressure and drive, changes drive form.
Accompanying drawing explanation
Fig. 1 is integral structure figure of the present invention;
Fig. 2 is accumulation of energy schematic diagram of the present invention;
Fig. 3 is that the present invention stretches pneumatic system diagram;
Fig. 4 is that lock pneumatic system diagram is revolved in the present invention;
Fig. 5 is drag chain action diagram of the present invention;
Fig. 6 is suspender expansion bracket extend action schematic diagram of the present invention;
Fig. 7 is suspender expansion bracket retract action schematic diagram of the present invention;
Fig. 8 is that the latch mechanism that revolves of the present invention is locked action schematic diagram;
Fig. 9 of the present inventionly revolves latch mechanism unlocking motion schematic diagram.
10, sling upper rack; 20, suspender undercarriage; 30, suspender expansion bracket; 40, lock pneumatic system is revolved; 50, guide piece; 60, lifting pulley; 70, storage tank; 80, energy storage equipment; 90, flexible pneumatic system; 100, drag chain; 110, controller; 41, locking oscillating type cylinder; 45, to lock limit switch; 46, limit switch is unlocked; 81, dolly fixed pulley; 82, energy stroage spring; 83, air compressing cylinder; 84, blow off valve; 85, air suction valve; 86, suspender running block; 87, suspender fixed pulley group; 91, three-position four-way electromagnetic directional valve; 92, flow regulating valve; 93, locking straight-line motion cylinder; 94, safety valve; 95, retraction limit switch; 96, limit switch is stretched out; I0.0, suspender expansion bracket stretch out button; I0.1, stretch out limit switch; I0.2, suspender expansion bracket retract button; I0.3, retraction limit switch; I0.4, revolve latch mechanism and to lock button; I0.5, limit switch of locking; I0.6, revolve latch mechanism unlock button; I0.7, unblock limit switch; Q0.0, suspender expansion bracket extend action; Q0.1, suspender expansion bracket retract action; Q0.2, revolve latch mechanism and to lock action; Q0.3, revolve latch mechanism unlocking motion.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is described.
Embodiment one:
As shown in Figure 1, of the present invention a kind of utilize gravitional force be used as power source air pressure drive container spreader, container spreader comprises sling upper rack 10, suspender undercarriage 20 and suspender expansion bracket 30, sling upper rack 10 is located on suspender undercarriage 20, sling upper rack 10 is provided with lifting pulley 60 and energy storage equipment 80, suspender undercarriage 20 is provided with flexible pneumatic system 90 and controller 110, suspender undercarriage 20 is corresponding with suspender expansion bracket 30 to be connected, suspender expansion bracket 30 is provided with and revolves lock pneumatic system 40, guide piece 50 and storage tank 70, be provided with drag chain 100 between sling upper rack 10 with suspender expansion bracket 30 to be connected, drag chain 100 inside is provided with tracheae and connects storage tank and flexible pneumatic system 90, revolve lock pneumatic system 40.
The above forms basic structure of the present invention.
More specifically, as shown in Figure 2, described container spreader be provided with regular length steel rope, (determined by the Maximum Descent Height of container spreader by rope capacity and fixed pulley, fixed pulley number with suspender fixed pulley group 87 for running block 86, regulated by pulley block ratio, compression cylinder stroke can meet suspender Maximum Descent Height), monkey is provided with two dolly fixed pulleys 81, steel rope is wound on suspender running block 86, suspender fixed pulley group 87 and two dolly fixed pulleys 81 successively, and steel rope is corresponding with energy storage equipment 80 to be arranged.Energy storage equipment 80 comprises air compressing cylinder 83, air compressing cylinder 83 is shaping is provided with rodless cavity and rod chamber, be provided with energy stroage spring 82 and piston in rod chamber, air compressing cylinder 83 is provided with blow off valve 84 and air suction valve 85, and steel rope is through at energy stroage spring 82 and is connected to piston.
Principle of work: under initial condition, the rod chamber aerification of air compressing cylinder 83, when container spreader declines, two dolly fixed pulleys 81 are motionless, air compressing cylinder 83, suspender running block 86, suspender fixed pulley group 87 declines together along with suspender, because rope capacity is certain, when suspender declines, steel rope just drives piston in air compressing cylinder 83 to move to right, gas in air compressing cylinder 83 rod chamber is compressed, when air pressure reaches certain value, the blow off valve 84 that gas will be washed open on compression cylinder enters into storage tank 70, as the source of the gas of pneumatic system, energy stroage spring 82 is compressed simultaneously, such container spreader gravitional force discharged that declines just is stored in storage tank 70 and energy stroage spring 82, when container spreader hoists, steel wire rope looseness, energy stroage spring 82 discharges elastic potential energy, the piston of air compressing cylinder 83 then moves to left under the action of the spring, the rod chamber air pressure of air compressing cylinder 83 reduces, outside air air pressure is greater than inner chamber internal gas pressure, outside air is washed air suction valve 85 open and is entered into air compressing cylinder 83 rod chamber, when suspender rises simultaneously, energy stroage spring 82 does positive work, effectively achieve energy-conserving action, in order to the stroke meeting air compressing oil cylinder meets the maximum height of container spreader decline, set up suspender running block 86 and suspender fixed pulley group 87, rope capacity and fixed pulley, movable pulley number can regulate according to the Maximum Descent Height of container spreader.
More specifically, as shown in Figure 3, described storage tank 70 is provided with safety valve 94, storage tank 70 is connected with three-position four-way electromagnetic directional valve 91, three-position four-way electromagnetic directional valve 91 is connected with flow regulating valve 92, flow regulating valve 92 is connected with locking straight-line motion cylinder 93, and locking straight-line motion cylinder 93 is provided with retraction limit switch 95 and stretches out limit switch 96.
Principle of work: do not pressing under any switch conditions, storage tank 70 air inlets hold one's breath, when in tank, gas reaches capacity, if also have gas to enter, safety valve 94 so on storage tank 70 is opened automatically, is discharged by unnecessary gas, effectively ensures the safety of storage tank 70.
When container spreader from lift by crane 20 forty equivalent unit 40s become lifting 40 forty equivalent unit 40 time, suspender need stretch out, be energized to A2 and the A3 electromagnet of three-position four-way electromagnetic directional valve 91, left side three-position four-way electromagnetic directional valve 91 is made to be placed in right position, right side three-position four-way electromagnetic directional valve 91 is placed in left position, gas in storage tank 70 then flows into the rodless cavity of two locking straight-line motion cylinders 93 through flow regulating valve 92, the effect of flow regulating valve 92 is the flow velocity regulating air-flow, stablize air pressure, along with the pressure gas in storage tank 70 slowly enters the rodless cavity of locking straight-line motion cylinder 93, it is protruding that its piston rod will slowly promote expansion bracket, because Nowadays, Container shipping only has 20 feet and 40 feet of two kinds of sizes, so the end position that expansion bracket stretches is certain, when piston rod promotion expansion bracket extend out to 40 forty equivalent unit 40 length, touch and stretch out limit switch 96, stretch out limit switch 96 transmission of signal and make its power-off to A2 and A3 electromagnet, three-position four-way electromagnetic directional valve 91 is reset to meta under the action of the spring and makes its pressure release, in storage tank 70, gas no longer flows out, cylinder piston rod position maintains static and makes expansion bracket be fixed on 40 forty equivalent unit 40 length places simultaneously, its control principle drawing as shown in Figure 6, suspender expansion bracket extend action, press suspender on remote controller and stretch out button, controller controls electromagnet A2, A3 obtains electric, cylinder piston rod drives suspender expansion bracket to stretch out, when suspender expansion bracket touch stretch out limit switch 96 time, electromagnet A2, A3 dead electricity, pneumatic circuit interrupts, telescopic jib stops stretching out.
When container spreader from lift by crane 40 forty equivalent unit 40s become lifting 20 forty equivalent unit 40 time, suspender needs to shrink, be energized to A1 and the A4 electromagnet of three-position four-way electromagnetic directional valve 91, left side three-position four-way electromagnetic directional valve 91 is made to be placed in left position, right side three-position four-way electromagnetic directional valve 91 is placed in right position, gas in storage tank 70 then flows into the rod chamber of two locking straight-line motion cylinders 93 through flow regulating valve 92, along with the pressure gas in storage tank 70 slowly enters the rod chamber of locking straight-line motion cylinder 93, its piston rod slowly will promote the inside indentation of expansion bracket, when piston rod promotion expansion bracket is retracted to 20 forty equivalent unit 40 length, touch retraction limit switch 95, retraction limit switch 95 transmission of signal makes its power-off to A1 and A4 electromagnet, three-position four-way electromagnetic directional valve 91 is reset to meta under the action of the spring and makes its pressure release, in storage tank 70, gas no longer flows out, cylinder piston rod position maintains static and makes expansion bracket be fixed on 20 forty equivalent unit 40 length places simultaneously, its use principle as shown in Figure 7, suspender expansion bracket retract action, press suspender retract button on remote controller, controller controls electromagnet A1, A4 obtains electric, cylinder piston rod drives suspender expansion bracket to retract, when suspender expansion bracket touches retraction limit switch 95, electromagnet A1, A4 dead electricity, pneumatic circuit interrupts, telescopic jib stops retracting.
If the inertia due to piston rod in real process makes locating bias, then regulate voluntarily by the continuous power on/off voluntarily of three-position four-way electromagnetic directional valve 91.
Embodiment two:
As shown in Figure 4, described in the present embodiment, storage tank 70 is provided with safety valve 94, storage tank 70 is connected with three-position four-way electromagnetic directional valve 91, three-position four-way electromagnetic directional valve 91 is connected with flow regulating valve 92, flow regulating valve 92 is connected with locking oscillating type cylinder 41, and locking oscillating type cylinder 41 is provided with lock limit switch 45 and unblock limit switch 46.
Do not pressing under any switch conditions, storage tank 70 air inlets hold one's breath, and when in tank, gas reaches capacity, if also have gas to enter, the safety valve 94 so on storage tank 70 is opened automatically, is discharged by unnecessary gas, effectively the safety of what card storage tank 70.
The present embodiment changes into except locking oscillating type cylinder 41 except by locking straight-line motion cylinder 93, its principle and flexible pneumatic system basically identical, the compressed air source unit that storage tank 70 rotates as air pressure, when locking, after hanger twist lock inserts container apex angle piece, locking oscillating type cylinder 41 drives hanger twist to lock rotation, when 90-degree rotation, touch limit switch 45 of locking, limit switch 45 transmission of signal of locking makes its power-off to A6 and A7 electromagnet, three-position four-way electromagnetic directional valve 91 is reset to meta under the action of the spring and makes its pressure release, complete locking, its control principle as shown in Figure 8, revolve latch mechanism to lock action, press hanger twist lock button on remote controller, controller controls electromagnet A6, A7 obtains electric, rotary oil cylinder drives hanger twist to turn 90 degrees, touch when locking limit switch 45, electromagnet A6, A7 dead electricity, pneumatic circuit interrupts, oil cylinder stops the rotation, complete and lock.
During unblock, locking oscillating type cylinder 41 drives hanger twist to lock contrarotation, when 90-degree rotation, touch and unlock limit switch 46, unlock limit switch 46 transmission of signal and make its power-off to A5 and A8 electromagnet, solenoid directional control valve 43 is reset to meta under the action of the spring and makes its pressure release, unlock successfully, its control principle as shown in Figure 9, revolve latch mechanism unlocking motion, press suspender unlock button on remote controller, controller controls electromagnet A5, A8 obtains electric, rotary oil cylinder drives suspender contrarotation 90 degree, when touching unblock limit switch 46, electromagnet A5, A8 dead electricity, pneumatic circuit interrupts, oil cylinder stops the rotation, complete unblock.
For saving space, storage tank 70 is located at suspender expansion bracket 30 inner, the A end of drag chain 100 is connected with suspender undercarriage 20, the B end of drag chain 100 is connected with suspender expansion bracket 30, drag chain 100 inner hollow and be provided with tracheae, tracheae one end by the A of drag chain 100 end and pneumatic system 90 of stretching, revolve and lock pneumatic system 40 and be connected, the tracheae other end is held by the B of drag chain 100 and is connected with storage tank 70.The object arranging drag chain 100 is that the outlet side making suspender in telescopic process is fixed, even if telescopic boom is in motion process, its air pressure drives and is flowed out by storage tank 70, after AB section tracheae, fix and export from the A point of suspender undercarriage, drag chain 100 also can prevent tracheae to be damaged in telescopic process simultaneously, as shown in Figure 5,5A is that suspender stretches out view completely, and 5B is the complete retracted mode schematic diagram of suspender.
Be more than the present invention's preferably embodiment, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to above-mentioned detailed description of the invention, and any apparent improvement that every those skilled in the art do on basis of the present invention, replacement or modification all belong to protection scope of the present invention.

Claims (7)

1. one kind utilize gravitional force be used as power source air pressure drive container spreader, it is characterized in that: described container spreader comprises sling upper rack (10), suspender undercarriage (20) and suspender expansion bracket (30), described sling upper rack (10) is located on suspender undercarriage (20), described sling upper rack (10) is provided with lifting pulley (60) and energy storage equipment (80), described suspender undercarriage (20) is provided with flexible pneumatic system (90) and controller (110), described suspender undercarriage (20) is corresponding with suspender expansion bracket (30) to be connected, described suspender expansion bracket (30) is provided with revolves lock pneumatic system (40), guide piece (50) and storage tank (70), described sling upper rack (10), with be provided with drag chain (100) between suspender expansion bracket (30) and be connected, drag chain (100) inside is provided with tracheae and connects storage tank (70) and flexible pneumatic system (90), revolve lock pneumatic system (40).
2. according to claim 1 a kind of utilize gravitional force be used as power source air pressure drive container spreader, it is characterized in that: described container spreader is provided with the steel rope of regular length, suspender running block (86) and suspender fixed pulley group (87) (rope capacity and fixed pulley, movable pulley number is determined by the Maximum Descent Height of container spreader, regulated by pulley block ratio, compression cylinder stroke can meet suspender Maximum Descent Height), described suspender fixed pulley group (87) correspondence is provided with two dolly fixed pulleys (81), described steel rope is wound in suspender running block (86) successively, suspender fixed pulley group (87) is with on two dolly fixed pulleys (81), described steel rope is corresponding with energy storage equipment (80) to be arranged.
3. according to claim 2 a kind of utilize gravitional force be used as power source air pressure drive container spreader, it is characterized in that: described energy storage equipment (80) comprises air compressing cylinder (83), described air compressing cylinder (83) is shaping is provided with rodless cavity and rod chamber, energy stroage spring (82) and piston is provided with in described rod chamber, described air compressing cylinder (83) is provided with blow off valve (84) and air suction valve (85), and described steel rope is through at energy stroage spring (82) and is connected to piston.
4. according to claim 1 a kind of utilize gravitional force be used as power source air pressure drive container spreader, it is characterized in that: described storage tank (70) is provided with safety valve (94), described storage tank (70) is connected with three-position four-way electromagnetic directional valve (91), described three-position four-way electromagnetic directional valve (91) is connected with flow regulating valve (92), described flow regulating valve (92) is connected with locking straight-line motion cylinder (93), and described locking straight-line motion cylinder (93) is provided with retraction limit switch (95) and stretches out limit switch (96).
5. according to claim 1 a kind of utilize gravitional force be used as power source air pressure drive container spreader, it is characterized in that: described storage tank (70) is provided with safety valve (94), described storage tank (70) is connected with three-position four-way electromagnetic directional valve (91), described three-position four-way electromagnetic directional valve (91) is connected with flow regulating valve (92), described flow regulating valve (92) is connected with locking oscillating type cylinder (41), and described locking oscillating type cylinder (41) is provided with limit switch of locking (45) and unlocks limit switch (46).
6. according to claim 1 a kind of utilize gravitional force be used as power source air pressure drive container spreader, it is characterized in that: described drag chain (100) A end is connected with suspender undercarriage (20), described drag chain (100) B end is connected with suspender expansion bracket (30), described drag chain (100) inner hollow and be provided with tracheae, described tracheae one end is held with pneumatic system of stretching (90) by drag chain (100) A, is revolved and lock pneumatic system (40) and be connected, and the described tracheae other end passes through drag chain (100) B and holds and be connected with storage tank (70).
7. according to claim 1 a kind of utilize gravitional force be used as power source air pressure drive container spreader, it is characterized in that: described controller (110) is for controlling the flexible of container spreader and revolving lock action, with the remote controller wireless connections of driver's cab.
CN201510711134.9A 2015-10-28 2015-10-28 A kind of utilization gravitional force be used as power source air pressure driving container spreader Active CN105217502B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106704154A (en) * 2016-12-23 2017-05-24 北京首钢国际工程技术有限公司 Air-self-filling method for walking mechanism of walking beam furnace

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628865A1 (en) * 1976-06-26 1977-12-29 Kraftanlagen Ag Rail vehicle leads connection system - has guide surfaces formed on grab and half couplings with remote control operation
CN101580207A (en) * 2009-06-15 2009-11-18 江绍成 Hydraulic energy saving system for harbour crane
CN101927951A (en) * 2009-06-18 2010-12-29 上海振华重工(集团)股份有限公司 Pneumatic rotating pin mechanism of container spreader
CN104444755A (en) * 2014-09-26 2015-03-25 上海港机重工有限公司 Full-automatic pneumatic ultrahigh frame

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628865A1 (en) * 1976-06-26 1977-12-29 Kraftanlagen Ag Rail vehicle leads connection system - has guide surfaces formed on grab and half couplings with remote control operation
CN101580207A (en) * 2009-06-15 2009-11-18 江绍成 Hydraulic energy saving system for harbour crane
CN101927951A (en) * 2009-06-18 2010-12-29 上海振华重工(集团)股份有限公司 Pneumatic rotating pin mechanism of container spreader
CN104444755A (en) * 2014-09-26 2015-03-25 上海港机重工有限公司 Full-automatic pneumatic ultrahigh frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106704154A (en) * 2016-12-23 2017-05-24 北京首钢国际工程技术有限公司 Air-self-filling method for walking mechanism of walking beam furnace

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