CN216922665U - Hydraulic system of inboard elevator - Google Patents
Hydraulic system of inboard elevator Download PDFInfo
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- CN216922665U CN216922665U CN202122741418.6U CN202122741418U CN216922665U CN 216922665 U CN216922665 U CN 216922665U CN 202122741418 U CN202122741418 U CN 202122741418U CN 216922665 U CN216922665 U CN 216922665U
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Abstract
The utility model provides a hydraulic system of an inboard elevator, which is used for controlling the inboard elevator and comprises the hydraulic system, wherein the inboard elevator comprises a platform component, an elevating driving mechanism used for driving the platform component to ascend and descend, a lock pin used for locking the platform component and a turning plate arranged in a gap between a hatch opening on a deck of a ship body and the ship body, and the turning plate is used for filling the gap between the hatch opening and the deck; the utility model has the advantages of safety and stability of the inboard elevator and the function of falling prevention.
Description
Technical Field
The utility model relates to the technical field of ship machinery, in particular to a hydraulic system of an inboard elevator.
Background
Due to the requirement of carrying, a lifting platform is generally arranged on a ship body, and the lifting platform generally used for cargo transportation is mainly a boom type platform. The lifting platform for airplane berthing and transferring is rarely found on large ships, in the current large ships with airplane berthing, the airplane is generally berthed on a splint of a ship body, and the airplane needs to be considered to be collected in the ship body due to the limited area of the splint and the large risk of exposed berthing; in the prior art, the inboard elevator is generally hoisted by four points; the elevator has only two access directions; and the two directions are on the same straight line; when the airplane needs to enter the lifter, the airplane needs to move to the front or the back of the lifter; meanwhile, aligning the airplane body with the access passage; then the vehicle drives into the elevator; therefore, the occupied space is large when the airplane enters and exits the elevator; meanwhile, the elevator is hoisted by adopting four-point type, so that the airplane is prevented from colliding with a hoisting device when entering and exiting the lifting platform; the speed needs to be slowed down; which in turn reduces the operating efficiency of the elevator.
Disclosure of Invention
The utility model provides a hydraulic system of an inboard elevator, and by using the structure of the hydraulic system, the inboard elevator is safe and stable and has a falling prevention function.
In order to achieve the purpose, the technical scheme of the utility model is as follows: the hydraulic system of the inboard elevator is used for controlling the inboard elevator and comprises the hydraulic system, the inboard elevator comprises a platform assembly, a lifting driving mechanism used for driving the platform assembly to lift, a lock pin used for locking the platform assembly and a turning plate arranged in a gap between a hatch opening on a ship deck and the ship body, and the turning plate is used for filling the gap between the hatch opening and the deck.
The hydraulic system comprises a hydraulic pump station, a platform component driving system, a hatch cover system, a vehicle garage flat lock pin system, a flap system, an energy accumulator, a proportional speed regulating valve and a multi-way valve; the ports P of the proportional speed regulating valve and the multi-way valve are respectively connected with the port P of the hydraulic pump station; the T ports of the proportional speed regulating valve and the multi-way valve are respectively connected with the T port of the hydraulic pump station; the L ports of the proportional speed regulating valve and the multi-way valve are respectively connected with the L port of the hydraulic pump station; an oil inlet and an oil outlet of the platform assembly driving system are respectively connected with the proportional speed regulating valve; an oil inlet and an oil outlet of the hatch cover system are respectively connected with the multi-way valve; an oil inlet and an oil outlet of the hangar flat-layer lock pin system are respectively connected with a multi-way valve; an oil inlet and an oil outlet of the garage flat bed lock pin system are respectively connected with a multi-way valve; an oil inlet and an oil outlet of the flap system are respectively connected with the multi-way valve.
An oil discharge port of the energy accumulator is connected with the multi-way valve, and an oil outlet of the multi-way valve is respectively connected with an oil inlet and an oil outlet of the platform assembly driving system; the port P of the energy accumulator is respectively connected with the port P of the proportional speed control valve and the port P of the multi-way valve, and the port T of the energy accumulator is respectively connected with the port T of the proportional speed control valve and the port T of the multi-way valve; the cabin cover system, the vehicle garage flat lock pin system, the garage flat lock pin system and the plate turnover system are respectively controlled by controlling the multi-way valve.
According to the arrangement, when the platform assembly needs to be controlled to lift, the platform assembly can be driven to lift by controlling the flow direction of the hydraulic oil of the proportional speed regulating valve; when the platform assembly reaches a garage flat layer or a garage flat layer, the multi-way valve adjusts the oil outlet to output hydraulic oil to the lock pin system corresponding to the flat layer where the platform assembly is located at present according to the current flat layer position of the platform assembly, so that the lock pin system of the current flat layer locks the platform assembly, and the safety of the platform assembly is improved; after the platform assembly is loaded on the current flat layer, the locking pin system of the current flat layer is controlled by the multi-way valve to unlock the platform assembly, and the platform assembly is driven to the next target flat layer by the proportional speed regulating valve, so that the platform assembly safely finishes the loading of goods; when the platform assembly needs to ascend to a deck for operation, the hatch cover is opened through the multi-way valve control hatch cover system, then the oil outlet is adjusted through the multi-way valve, the plate turning system is enabled to obtain oil, the turning plate is driven to be opened, the platform assembly ascends to the outside of the hatch cover through the proportional speed control valve, and at the moment, the platform assembly is locked through the multi-way valve control cabin leveling lock pin system; after the platform assembly finishes the operation on the deck, the multi-way valve controls the hangar flat lock pin system to unlock the platform assembly, the platform assembly is controlled to descend through the proportional speed control valve, and then the turnover plate and the hatch cover are sequentially retracted through the multi-way valve; thus, the hull deck and the platform assembly are connected through the turning plate; the influence of the clearance between the ship deck and the platform assembly on the entrance and exit of the airplane on the platform assembly is avoided; the stability of the airplane entering and exiting on the platform assembly is improved; when hydraulic power unit broke down, accessible multiple valve regulation energy storage ware station output hydraulic oil, as emergent power to platform subassembly actuating system output hydraulic oil, accomplished emergency operation, further improved the security of inboard lift.
Further, the platform assembly driving system comprises a first lifting driving oil cylinder, a second lifting driving oil cylinder, a first lifting reversing valve, a second lifting reversing valve, a first balance valve, a second balance valve, a third balance valve and a fourth balance valve; the P port of the first lifting reversing valve is connected with the oil outlet of the proportional speed regulating valve, and the T port of the first lifting reversing valve is connected with the oil return port of the proportional speed regulating valve; the port A of the first lifting reversing valve is connected with the port A of the first balance valve, and the port B of the first lifting reversing valve is connected with the port A of the second balance valve; the port B of the first balance valve is connected with an oil inlet of the first lifting driving oil cylinder, and the port B of the second balance valve is connected with an oil return port of the first lifting driving oil cylinder; a port P of the second lifting reversing valve is connected with an oil outlet of the proportional speed regulating valve, and a port T of the second lifting reversing valve is connected with an oil return port of the proportional speed regulating valve; the port A of the second lifting reversing valve is connected with the port A of the third balance valve, and the port B of the second lifting reversing valve is connected with the port A of the fourth balance valve; and a port B of the third balance valve is connected with an oil inlet of the second lifting driving oil cylinder, and a port B of the fourth balance valve is connected with an oil return port of the second lifting driving oil cylinder.
According to the arrangement, when the driving platform assembly ascends, the first lifting reversing valve and the second lifting reversing valve are controlled to reverse, so that the port P of the first lifting reversing valve is communicated with the port B, and the port P of the second lifting reversing valve is communicated with the port B; therefore, hydraulic oil enters the first lifting driving oil cylinder from the port A of the second balance valve after passing through the first lifting reversing valve, and enters the second lifting driving oil cylinder from the port A of the fourth balance valve after passing through the second lifting reversing valve, so that the first lifting driving oil cylinder and the second lifting driving oil cylinder extend out to drive the platform assembly to ascend; when the driving platform assembly ascends, the first lifting reversing valve and the second lifting reversing valve are controlled to reverse, so that the port P of the first lifting reversing valve is communicated with the port A, and the port P of the second lifting reversing valve is communicated with the port A; therefore, hydraulic oil enters the first lifting driving oil cylinder from the port A of the first balance valve after passing through the first lifting reversing valve, and enters the second lifting driving oil cylinder from the port A of the third balance valve after passing through the second lifting reversing valve, so that the first lifting driving oil cylinder and the second lifting driving oil cylinder are contracted to drive the platform assembly to descend.
Furthermore, a first one-way throttle valve is connected between a control oil port of the first balance valve and an A port of the second balance valve, an oil inlet of the first one-way throttle valve is connected with a control oil port of the first balance valve, and an oil outlet of the first one-way throttle valve is connected with the A port of the second balance valve; a second one-way throttle valve is connected between a control oil port of the second balance valve and the port A of the first balance valve, an oil inlet of the second one-way throttle valve is connected with a control oil port of the second balance valve, and an oil outlet of the second one-way throttle valve is connected with the port A of the first balance valve; a third one-way throttle valve is connected between a control oil port of the third balance valve and an A port of the fourth balance valve, an oil inlet of the third one-way throttle valve is connected with a control oil port of the third balance valve, and an oil outlet of the third one-way throttle valve is connected with the A port of the fourth balance valve; and a fourth one-way throttle valve is connected between a control oil port of the fourth balance valve and the port A of the third balance valve, an oil inlet of the fourth one-way throttle valve is connected with a control oil port of the fourth balance valve, and an oil outlet of the fourth one-way throttle valve is connected with the port A of the third balance valve.
According to the arrangement, when the platform assembly ascends, hydraulic oil in the first lifting driving oil cylinder enters the first balance valve from the oil inlet and flows out of the port A of the first balance valve; when hydraulic oil enters an oil return port of the first lifting driving oil cylinder through the second balance valve, the second balance valve conveys the hydraulic oil to a control oil port of the first balance valve, and the hydraulic oil is regulated by the first one-way throttle valve, so that an overflow valve of the first balance valve is opened, the hydraulic oil on one side of an oil inlet of the first lifting driving oil cylinder is improved, and the working efficiency of the first lifting driving oil cylinder is improved; similarly, hydraulic oil in the second lifting driving oil cylinder enters the third balance valve from the oil inlet and flows out from the port A of the third balance valve; when hydraulic oil enters the oil return opening of the second lifting driving oil cylinder through the fourth balance valve, the fourth balance valve conveys the hydraulic oil to the control oil port of the third balance valve, and the hydraulic oil is regulated by the third one-way throttle valve, so that the overflow valve of the third balance valve is opened, the flow of the hydraulic oil on one side of the oil return opening of the first lifting driving oil cylinder is improved, and the working efficiency of the first lifting driving oil cylinder is improved.
When the platform assembly descends, hydraulic oil in the first lifting driving oil cylinder enters the second balance valve from the oil return port and flows out of the port A of the second balance valve; when hydraulic oil enters an oil inlet of the first lifting driving oil cylinder through the first balance valve, the first balance valve conveys the hydraulic oil to a control oil port of the second balance valve, and the hydraulic oil is regulated by the second one-way throttle valve, so that an overflow valve of the second balance valve is opened, the flow of the hydraulic oil on one side of an oil return port of the first lifting driving oil cylinder is increased, and the working efficiency of the second lifting driving oil cylinder is increased; similarly, hydraulic oil in the second lifting driving oil cylinder enters the fourth balance valve from the oil return port and flows out from the port A of the fourth balance valve; when hydraulic oil enters the oil inlet of the second lifting driving oil cylinder through the third balance valve, the third balance valve conveys the hydraulic oil to the control oil port of the fourth balance valve, and the hydraulic oil is regulated by the fourth one-way throttle valve, so that the overflow valve of the fourth balance valve is opened, the flow of the hydraulic oil on one side of the oil return port of the first lifting driving oil cylinder is improved, and the working efficiency of the first lifting driving oil cylinder is improved.
Further, the hatch cover system comprises a first hatch cover oil cylinder, a second hatch cover oil cylinder, a first hatch cover balance valve, a second hatch cover balance valve, a third hatch cover balance valve and a fourth hatch cover balance valve; the port A of the first cabin cover balance valve and the port A of the third cabin cover balance valve are connected with the oil outlet of the multi-way valve in parallel; the port A of the second hatch cover balance valve and the port A of the fourth hatch cover balance valve are connected with the oil outlet of the multi-way valve in parallel; the port B of the first hatch cover balance valve is connected with an oil inlet of the first hatch cover oil cylinder, and the port B of the second hatch cover balance valve is connected with an oil return port of the first hatch cover oil cylinder; the port B of the third hatch cover balance valve is connected with an oil inlet of the second hatch cover oil cylinder, and the port B of the fourth hatch cover balance valve is connected with an oil return port of the second hatch cover oil cylinder; according to the arrangement, when the hatch is opened, hydraulic oil in the first hatch oil cylinder enters the first hatch balance valve from the oil inlet and flows out of the port A of the first hatch balance valve; when the hydraulic oil enters the oil return port of the first hatch cover oil cylinder through the second balance valve, the second hatch cover balance valve conveys the hydraulic oil to the control oil port of the first hatch cover balance valve, so that the overflow valve of the first hatch cover balance valve is opened, the hydraulic oil on one side of the oil inlet of the first hatch cover oil cylinder is improved, and the working efficiency of the first hatch cover oil cylinder is improved; similarly, hydraulic oil in the second hatch cover oil cylinder enters the third balance valve from the oil inlet and flows out from the port A of the third balance valve; when hydraulic oil enters the oil return opening of the second hatch cover oil cylinder through the fourth balance valve, the fourth balance valve conveys the hydraulic oil to the control oil opening of the third balance valve, so that the overflow valve of the third balance valve is opened, the flow of the hydraulic oil on one side of the oil inlet of the second hatch cover oil cylinder is improved, and the working efficiency of the second hatch cover oil cylinder is improved.
When the hatch is closed, hydraulic oil in the first hatch oil cylinder enters the second hatch balance valve from the oil return port and flows out from the port A of the second hatch balance valve; when hydraulic oil enters the oil inlet of the first hatch cover oil cylinder through the first balance valve, the first hatch cover balance valve conveys the hydraulic oil to the control oil port of the second hatch cover balance valve, so that the overflow valve of the second hatch cover balance valve is opened, the hydraulic oil on one side of the oil return port of the first hatch cover oil cylinder is improved, and the working efficiency of the first hatch cover oil cylinder is improved; similarly, hydraulic oil in the second hatch cover oil cylinder enters the fourth balance valve from the oil return port and flows out from the port A of the fourth balance valve; when hydraulic oil enters the oil inlet of the second hatch cover oil cylinder through the third balance valve, the third balance valve conveys the hydraulic oil to the control oil port of the fourth balance valve, so that the overflow valve of the fourth balance valve is opened, the flow of the hydraulic oil on one side of the oil return port of the second hatch cover oil cylinder is improved, and the working efficiency of the second hatch cover oil cylinder is improved.
Further, the vehicle garage flat-bed lock pin system and the hangar flat-bed lock pin system respectively comprise lock pin driving systems, in the embodiment, the lock pin driving systems comprise seven lock pin oil cylinders which are arranged in parallel, and an oil inlet and an oil return port of each lock pin oil cylinder are respectively connected with a first lock pin one-way throttle valve and a second lock pin one-way throttle valve; the port A of the first lock pin one-way throttle valve is connected with an oil outlet of the multi-way valve, and the port B of the first lock pin one-way throttle valve is connected with an oil inlet of the lock pin oil cylinder; the port A of the second lock pin one-way throttle valve is connected with an oil return port of the multi-way valve, and the port B of the first lock pin one-way throttle valve is connected with an oil return port of the lock pin oil cylinder; through the arrangement, the speed of the lock pin oil cylinder can be adjusted by adjusting the first one-way throttle valve and the second one-way throttle valve.
Furthermore, the plate turnover system comprises two first plate turnover oil cylinders and two second plate turnover oil cylinders; an oil inlet of each first flap cylinder is connected with a first flap balance valve, and an oil outlet of each first flap cylinder is connected with a first second flap balance valve;
the port A of the first flap balance valve is connected with the oil outlet of the multi-way valve, and the port B of the first flap balance valve is connected with the oil inlet of the first flap oil cylinder; the port A of the first two-turn plate balance valve is connected with an oil return port of the multi-way valve, and the port B of the first two-turn plate balance valve is connected with an oil return port of the first turn plate oil cylinder; the control oil port of the first one-turn plate balance valve is connected with the port A of the first two-turn plate balance valve; the control oil port of the first two-turn plate balance valve is connected with the port A of the first one-turn plate balance valve;
an oil inlet of each second flap cylinder is connected with a second flap balance valve, and an oil outlet of each second flap cylinder is connected with a second flap balance valve;
the port A of the second first flap balance valve is connected with the oil outlet of the multi-way valve, and the port B of the second flap balance valve is connected with the oil inlet of the second flap oil cylinder; the port A of the second flap balance valve is connected with an oil return port of the multi-way valve, and the port B of the second flap balance valve is connected with an oil return port of the second flap oil cylinder; a control oil port of the second first flap balance valve is connected with an A port of the second flap balance valve; a control oil port of the second flap balance valve is connected with the port A of the second first flap balance valve;
according to the arrangement, when the hatch cover is closed, the turning plate is in a collection state; when the platform assembly needs to ascend to the clamping plates, the hatch cover system drives the hatch cover to open, then the turning plate system drives the first turning plate oil cylinder and the second turning plate oil cylinder to extend out to drive the turning plates to open, and after the platform assembly ascends to the clamping plates, the turning plate system drives the first turning plate oil cylinder and the second turning plate oil cylinder to contract so that the turning plates rotate and are attached to the edges of the platform assembly, and therefore the turning plates fill gaps between a deck and a hatch and prevent water on the deck from flowing into the hatch.
The platform assembly is characterized by further comprising a dead weight balance system for keeping the platform assembly balanced, the dead weight balance system is respectively connected with the first lifting driving oil cylinder and the second lifting driving oil cylinder, and an oil port of the platform assembly dead weight balance system is connected with an oil outlet of the energy accumulator; like this, the energy storage ware is connected to the balanced system, and the energy storage ware can carry out the compensation to two lift drive hydro-cylinders and leak to two lift drive hydro-cylinders keep invariable pressure, and then guarantee the stability of platform subassembly.
Drawings
FIG. 1 is a hydraulic schematic block diagram of the present invention.
Fig. 2 is a hydraulic schematic of the platform assembly drive system of the present invention.
Fig. 3 is a hydraulic schematic of the hatch cover system of the present invention.
FIG. 4 is a hydraulic schematic of the latch system of the present invention.
Fig. 5 is a hydraulic schematic diagram of the flap system of the present invention.
Reference numerals: 1a, a platform assembly driving system; 111a, a first lifting driving oil cylinder; 112a and a second lifting driving oil cylinder; 121a, a first lifting reversing valve; 122a, a second lifting reversing valve; 131a, a first counter-balance valve; 132a, a second counter balance valve; 133a, a third counter balance valve; 134a, a fourth counter balance valve; 141a, a first one-way throttle valve; 142a, a second one-way throttle valve; 143a, a third one-way throttle valve; 144a, a fourth one-way throttle valve; 145a and an emergency operation oil path; 2a, a hatch cover system; 211a, a first hatch cylinder; 212a, a second hatch cylinder; 221a, a first hatch balance valve; 222a, a second hatch balancing valve; 223a, a third deck lid balancing valve; 224a, a fourth hatch balancing valve; 3a, a lock pin driving system; 31a, a lock pin oil cylinder; 32a, a first lock pin one-way throttle valve; 33a, a second lock pin one-way throttle valve; 41a, a first flap cylinder; 411a, a first flap balance valve; 412a, a first second flap balance valve; 42a, a second plate turnover oil cylinder; 421a, a second flap balance valve; 422a and a second flap balance valve; 5a, an energy accumulator; 6a, a platform assembly self-weight balance system.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1-5, a hydraulic system of an inboard elevator for controlling the inboard elevator comprises a hydraulic system, the inboard elevator comprises a platform assembly, a lifting driving mechanism for driving the platform assembly to lift, a lock pin for locking the platform assembly, and a turning plate arranged on a deck of a ship body and used for filling a gap between a hatch and the deck.
The hydraulic system comprises a hydraulic pump station, a platform component driving system 1a, a hatch cover system 2a, a vehicle garage flat lock pin system, a flap system, an energy accumulator 5a, a proportional speed regulating valve and a multi-way valve; the P ports of the proportional speed regulating valve and the multi-way valve are respectively connected with the P port of the hydraulic pump station; the T ports of the proportional speed regulating valve and the multi-way valve are respectively connected with the T port of the hydraulic pump station; the proportional speed regulating valve and the L port of the multi-way valve are respectively connected with the L port of the hydraulic pump station; an oil inlet and an oil outlet of the platform component driving system 1a are respectively connected with a proportional speed regulating valve; an oil inlet and an oil outlet of the hatch cover system 2a are respectively connected with the multi-way valve; an oil inlet and an oil outlet of the hangar flat-layer lock pin system are respectively connected with a multi-way valve; an oil inlet and an oil outlet of the garage flat bed lock pin system are respectively connected with a multi-way valve; an oil inlet and an oil outlet of the flap system are respectively connected with the multi-way valve.
An oil discharge port of the energy accumulator 5a is connected with the multi-way valve, and an oil outlet of the multi-way valve is respectively connected with an oil inlet and an oil outlet of the platform assembly driving system 1 a; the port P of the energy accumulator 5a is respectively connected with the port P of the proportional speed regulating valve and the port P of the multi-way valve, and the port T of the energy accumulator 5a is respectively connected with the port T of the proportional speed regulating valve and the port T of the multi-way valve; the hatch cover system 2a, the vehicle garage flat lock pin system, the garage flat lock pin system and the plate turnover system are respectively controlled by controlling the multi-way valve.
According to the arrangement, when the platform assembly needs to be controlled to lift, the platform assembly can be driven to lift by controlling the flow direction of the hydraulic oil of the proportional speed regulating valve; when the platform assembly reaches a machine garage leveling layer or a garage leveling layer, the multi-way valve adjusts the oil outlet to output hydraulic oil to the lock pin system corresponding to the leveling layer where the platform assembly is currently located according to the current leveling layer position of the platform assembly, so that the lock pin system of the current leveling layer locks the platform assembly, and the safety of the platform assembly is improved; after the platform assembly is loaded on the current flat layer, the locking pin system of the current flat layer is controlled by the multi-way valve to unlock the platform assembly, and the platform assembly is driven to the next target flat layer by the proportional speed regulating valve, so that the platform assembly safely finishes the loading of goods; when the platform assembly needs to ascend to a deck for operation, the hatch cover is opened through the multi-way valve control hatch cover system 2a, then the oil outlet is adjusted through the multi-way valve, the flap system is enabled to obtain oil, the flap is driven to be opened, the platform assembly ascends out of the hatch cover through the proportional speed control valve, and at the moment, the platform assembly is locked through the multi-way valve control cabin leveling lock pin system; after the platform assembly finishes the operation on the deck, the multi-way valve controls the hangar flat lock pin system to unlock the platform assembly, the platform assembly is controlled to descend through the proportional speed regulating valve, and then the turning plate and the hatch cover are sequentially folded through the multi-way valve; thus, the hull deck and the platform assembly are connected through the turning plate; the influence of the clearance between the ship deck and the platform assembly on the entrance and exit of the airplane on the platform assembly is avoided; the stability of the airplane entering and exiting on the platform assembly is improved; when a hydraulic pump station breaks down, hydraulic oil can be output from the energy accumulator 5a through the multi-way valve and used as emergency power to output the hydraulic oil to the platform assembly driving system 1a, emergency operation is completed, and safety of the inboard elevator is further improved.
Platform assembly drive system 1a includes a first lift drive cylinder 111a, a second lift drive cylinder 112a, a first lift direction valve 121a, a second lift direction valve 122a, a first counter valve 131a, a second counter valve 132a, a third counter valve 133a, and a fourth counter valve 134 a; a P port of the first lifting reversing valve 121a is connected with an oil outlet of the proportional speed regulating valve, and a T port of the first lifting reversing valve 121a is connected with an oil return port of the proportional speed regulating valve; the port a of the first elevation reversing valve 121a is connected to the port a of the first balance valve 131a, and the port B of the first elevation reversing valve 121a is connected to the port a of the second balance valve 132 a; a port B of the first balance valve 131a is connected with an oil inlet of the first lifting driving oil cylinder 111a, and a port B of the second balance valve 132a is connected with an oil return port of the first lifting driving oil cylinder 111 a; a P port of the second lifting reversing valve 122a is connected with an oil outlet of the proportional speed regulating valve, and a T port of the second lifting reversing valve 122a is connected with an oil return port of the proportional speed regulating valve; the port A of the second up-down directional valve 122a is connected with the port A of the third balance valve 133a, and the port B of the second up-down directional valve 122a is connected with the port A of the fourth balance valve 134 a; the port B of the third balance valve 133a is connected to the oil inlet of the second lift driving cylinder 112a, and the port B of the fourth balance valve 134a is connected to the oil return port of the second lift driving cylinder 112 a.
According to the arrangement, when the driving platform assembly ascends, the first lifting reversing valve 121a and the second lifting reversing valve 122a are controlled to reverse, so that the port P of the first lifting reversing valve 121a is communicated with the port B, and the port P of the second lifting reversing valve 122a is communicated with the port B; thus, the hydraulic oil enters the first lift driving cylinder 111a from the port a of the second balance valve 132a after passing through the first lift switching valve 121a, and enters the second lift driving cylinder 112a from the port a of the fourth balance valve 134a after passing through the second lift switching valve 122a, so that the first lift driving cylinder 111a and the second lift driving cylinder 112a extend out to drive the platform assembly to ascend; when the driving platform assembly ascends, controlling the first lifting reversing valve 121a and the second lifting reversing valve 122a to reverse, so that the port P of the first lifting reversing valve 121a is communicated with the port A, and the port P of the second lifting reversing valve 122a is communicated with the port A; thus, the hydraulic oil enters the first lift driving cylinder 111a from the port a of the first balance valve 131a after passing through the first lift switching valve 121a, and enters the second lift driving cylinder 112a from the port a of the third balance valve 133a after passing through the second lift switching valve 122a, so that the first lift driving cylinder 111a and the second lift driving cylinder 112a are contracted to drive the platform assembly to descend.
A first one-way throttle valve 141a is connected between the control oil port of the first balance valve 131a and the port a of the second balance valve 132a, the oil inlet of the first one-way throttle valve 141a is connected with the control oil port of the first balance valve 131a, and the oil outlet of the first one-way throttle valve 141a is connected with the port a of the second balance valve 132 a; a second one-way throttle valve 142a is connected between the control oil port of the second balance valve 132a and the port a of the first balance valve 131a, the oil inlet of the second one-way throttle valve 142a is connected with the control oil port of the second balance valve 132a, and the oil outlet of the second one-way throttle valve 142a is connected with the port a of the first balance valve 131 a; a third one-way throttle valve 143a is connected between the control oil port of the third balanced valve 133a and the port a of the fourth balanced valve 134a, the oil inlet of the third one-way throttle valve 143a is connected with the control oil port of the third balanced valve 133a, and the oil outlet of the third one-way throttle valve 143a is connected with the port a of the fourth balanced valve 134 a; a fourth one-way throttle valve 144a is connected between the control oil port of the fourth balanced valve 134a and the port a of the third balanced valve 133a, the oil inlet of the fourth one-way throttle valve 144a is connected with the control oil port of the fourth balanced valve 134a, and the oil outlet of the fourth one-way throttle valve 144a is connected with the port a of the third balanced valve 133 a.
According to the arrangement, when the platform assembly ascends, hydraulic oil in the first lifting driving oil cylinder enters the first balance valve 131a from the oil inlet and flows out from the port A of the first balance valve 131 a; when the hydraulic oil enters the oil return port of the first lifting driving oil cylinder through the second balance valve 132a, the second balance valve 132a conveys the hydraulic oil to the control oil port of the first balance valve 131a, and the hydraulic oil is regulated by the first one-way throttle valve 141a, so that the overflow valve of the first balance valve 131a is opened, the hydraulic oil on one side of the oil inlet of the first lifting driving oil cylinder is improved, and the working efficiency of the first lifting driving oil cylinder is improved; similarly, the hydraulic oil in the second lift driving cylinder 112a enters the third balance valve 133a from the oil inlet, and flows out from the port a of the third balance valve 133 a; when the hydraulic oil enters the oil return port of the second lift driving cylinder 112a through the fourth balance valve 134a, the fourth balance valve 134a conveys the hydraulic oil to the control oil port of the third balance valve 133a, and the hydraulic oil is regulated by the third one-way throttle valve 143a, so that the overflow valve of the third balance valve 133a is opened, the flow of the hydraulic oil on one side of the oil return port of the first lift driving cylinder is increased, and the working efficiency of the first lift driving cylinder is increased.
When the platform assembly descends, hydraulic oil in the first lifting driving oil cylinder enters the second balance valve 132a from an oil return port and flows out from the port A of the second balance valve 132 a; when hydraulic oil enters the oil inlet of the first lifting drive oil cylinder through the first balance valve 131a, the first balance valve 131a conveys the hydraulic oil to the control oil port of the second balance valve 132a, and the hydraulic oil is regulated by the second one-way throttle valve 142a, so that the overflow valve of the second balance valve 132a is opened, the flow of the hydraulic oil on one side of the oil return port of the first lifting drive oil cylinder is increased, and the working efficiency of the second lifting drive oil cylinder 112a is increased; similarly, the hydraulic oil in the second lift drive cylinder 112a enters the fourth balanced valve 134a from the oil return port, and flows out from the port a of the fourth balanced valve 134 a; when the hydraulic oil enters the oil inlet of the second lift driving cylinder 112a through the third balance valve 133a, the third balance valve 134a conveys the hydraulic oil to the control oil port of the fourth balance valve 133a, and the hydraulic oil is regulated by the fourth one-way throttle valve 142a, so that the overflow valve of the fourth balance valve 134a is opened, the flow of the hydraulic oil on one side of the oil return port of the first lift driving cylinder is increased, and the working efficiency of the first lift driving cylinder is increased.
The hatch system 2a comprises a first hatch cylinder 211a, a second hatch cylinder 212a, a first hatch balance valve 221a, a second hatch balance valve 222a, a third hatch balance valve 223a and a fourth hatch balance valve 224 a; the port A of the first hatch cover balance valve 221a and the port A of the third hatch cover balance valve 223a are connected with the oil outlet of the multi-way valve in parallel; the port A of the second hatch balance valve 222a and the port A of the fourth hatch balance valve 224a are connected in parallel with the oil outlet of the multi-way valve; a port B of the first hatch balance valve 221a is connected with an oil inlet of the first hatch oil cylinder 211a, and a port B of the second hatch balance valve 222a is connected with an oil return port of the first hatch oil cylinder 211 a; the port B of the third hatch balance valve 223a is connected with an oil inlet of the second hatch cylinder 212a, and the port B of the fourth hatch balance valve 224a is connected with an oil return port of the second hatch cylinder 212 a; according to the arrangement, when the hatch is opened, hydraulic oil in the hydraulic cylinder of the first lifting driving hatch hydraulic cylinder enters the first hatch balance valve 221a from the oil inlet and flows out from the port A of the first hatch balance valve 221 a; when hydraulic oil enters an oil return opening of the first hatch lifting driving hydraulic cylinder through the second balance valve 132a, the second hatch balance valve 222a conveys the hydraulic oil to a control oil opening of the first hatch balance valve 221a, so that an overflow valve of the first hatch balance valve 221a is opened, the hydraulic oil on one side of an oil inlet of the first lifting driving liquid hatch lifting driving hydraulic cylinder is improved, and the working efficiency of the first hatch lifting driving hydraulic cylinder is improved; similarly, the hydraulic oil in the second hatch cover oil lifting driving hydraulic cylinder enters the third balance valve 133a from the oil inlet and flows out from the port A of the third balance valve 133 a; when hydraulic oil enters an oil return opening of the second hatch cover lifting driving oil cylinder through the fourth balance valve 134a, the fourth balance valve 134a conveys the hydraulic oil to a control oil opening of the third balance valve 133a, so that an overflow valve of the third balance valve 133a is opened, the flow of the hydraulic oil on one side of an oil return opening of the first and second hatch cover lifting driving hydraulic cylinder is improved, and the working efficiency of the first and second hatch cover lifting driving hydraulic cylinder is improved.
When the hatch is closed, the hydraulic oil in the first hatch oil cylinder 211a enters the first second hatch balance valve from the oil inlet and return port and flows out from the port A of the first second hatch balance valve; when the hydraulic oil enters the oil return inlet of the first hatch cover oil cylinder 211a through the second balance valve, the second hatch cover balance valve conveys the hydraulic oil to the control oil port of the first second hatch cover balance valve, so that the overflow valve of the first second hatch cover balance valve is opened, the hydraulic oil on the side of the oil inlet and return inlet of the first hatch cover oil cylinder 211a is improved, and the working efficiency of the first hatch cover oil cylinder 211a is improved; similarly, the hydraulic oil in the second hatch cylinder 212a enters the fourth third balance valve from the oil inlet/return port and flows out from the port a of the third fourth balance valve; when hydraulic oil enters the oil return inlet of the second hatch cover oil cylinder 212a through the fourth third balance valve, the fourth third balance valve conveys the hydraulic oil to the control oil port of the third fourth balance valve, so that the overflow valve of the third fourth balance valve is opened, the flow of the hydraulic oil on one side of the oil return inlet of the first and second hatch cover oil cylinders is improved, and the working efficiency of the first and second hatch cover oil cylinders is improved.
The vehicle garage flat lock pin system and the hangar flat lock pin system respectively comprise a lock pin driving system 3a, in the embodiment, the lock pin driving system 3a comprises more than two seven lock pin oil cylinders 31a which are arranged in parallel, and an oil inlet and an oil return port of each lock pin oil cylinder 31a are respectively connected with a first lock pin one-way throttle valve 32a and a second lock pin one-way throttle valve 33 a; the port A of the first lock pin one-way throttle valve 32a is connected with an oil outlet of the multi-way valve, and the port B of the first lock pin one-way throttle valve 32a is connected with an oil inlet of the lock pin oil cylinder 31 a; the port A of the second lockpin one-way throttle valve 33a is connected with an oil return port of the multi-way valve, and the port B of the first lockpin one-way throttle valve 32a is connected with an oil return port of the lockpin oil cylinder 31 a; with the above arrangement, the speed of the latch cylinder 31a can be adjusted by adjusting the first and second one- way throttle valves 141a and 142 a.
The flap system comprises two first flap cylinders 41a and two second flap cylinders 42 a; an oil inlet of each first flap cylinder 41a is connected with a first flap balance valve 411a, and an oil outlet of each first flap cylinder 41a is connected with a first second flap balance valve 412 a.
A port A of the first flap balance valve 411a is connected with an oil outlet of the multi-way valve, and a port B of the first flap balance valve 411a is connected with an oil inlet of the first flap oil cylinder 41 a; a port A of the first two-flap balance valve 412a is connected with an oil return port of the multi-way valve, and a port B of the first two-flap balance valve 412a is connected with an oil return port of the first flap cylinder 41 a; the control oil port of the first one-flap balance valve 411a is connected with the port A of the first two-flap balance valve 412 a; the control oil port of the first two-flap balance valve 412a is connected with the port A of the first one-flap balance valve 411 a; an oil inlet of each second flap cylinder is connected with a second first flap balance valve 421a, and an oil outlet of each second flap cylinder is connected with a second flap balance valve 422 a.
The port A of the second first flap balance valve 421a is connected with the oil outlet of the multi-way valve, and the port B of the second flap balance valve 421a is connected with the oil inlet of the second flap cylinder 42 a; an opening A of the second flap balance valve 422a is connected with an oil return opening of the multi-way valve, and an opening B of the second flap balance valve 422a is connected with an oil return opening of the second flap cylinder 42 a; a control oil port of the second first flap balance valve 421a is connected with an port A of the second flap balance valve 422 a; a control oil port of the second flap balance valve 422a is connected with an port A of the second first flap balance valve 421 a; according to the arrangement, when the hatch cover is closed, the turning plate is in a collection state; when the platform assembly needs to ascend to the clamping plate, the hatch cover system 2a drives the hatch cover to be opened, then the turning plate system drives the first turning plate oil cylinder 41a and the second turning plate oil cylinder 42a to extend out, the turning plate is driven to be opened, and after the platform assembly ascends to the clamping plate, the turning plate system drives the first turning plate oil cylinder 41a and the second turning plate oil cylinder to contract, so that the turning plate rotates and is attached to the edge of the platform assembly, the turning plate fills a gap between the deck and the hatch, and water on the deck is prevented from flowing into the hatch.
Further, the system also comprises a self-weight balance system for keeping the platform assembly balanced, the self-weight balance system is respectively connected with the first lifting driving oil cylinder and the second lifting driving oil cylinder 112a, and an oil port of the self-weight balance system of the platform assembly is connected with an oil outlet of the energy accumulator 5 a; like this, balanced system connects energy storage ware 5a, and energy storage ware 5a can compensate the leakage to two lift drive hydro-cylinders keep invariable pressure, and then guarantee the stability of platform subassembly.
Claims (7)
1. A hydraulic system of an inboard hoist for controlling the inboard hoist, comprising a hydraulic system characterized in that: the inboard elevator comprises a platform assembly, an elevating driving mechanism for driving the platform assembly to ascend and descend, a lock pin for locking the platform assembly and a turning plate arranged in a gap between a hatch on a deck of the ship body and the ship body, wherein the turning plate is used for filling the gap between the hatch and the deck;
the hydraulic system comprises a hydraulic pump station, a platform component driving system, a hatch cover system, a vehicle garage flat lock pin system, a flap system, an energy accumulator, a proportional speed regulating valve and a multi-way valve; the P ports of the proportional speed regulating valve and the multi-way valve are respectively connected with the P port of the hydraulic pump station; t ports of the proportional speed regulating valve and the multi-way valve are respectively connected with a T port of a hydraulic pump station; the proportional speed regulating valve and the L port of the multi-way valve are respectively connected with the L port of the hydraulic pump station; an oil inlet and an oil outlet of the platform assembly driving system are respectively connected with the proportional speed regulating valve; an oil inlet and an oil outlet of the hatch cover system are respectively connected with the multi-way valve; an oil inlet and an oil outlet of the hangar flat-layer lock pin system are respectively connected with a multi-way valve; an oil inlet and an oil outlet of the garage flat bed lock pin system are respectively connected with a multi-way valve; an oil inlet and an oil outlet of the flap system are respectively connected with the multi-way valve;
an oil discharge port of the energy accumulator is connected with the multi-way valve, and an oil outlet of the multi-way valve is respectively connected with an oil inlet and an oil outlet of the platform assembly driving system; the port P of the energy accumulator is respectively connected with the port P of the proportional speed control valve and the port P of the multi-way valve, and the port T of the energy accumulator is respectively connected with the port T of the proportional speed control valve and the port T of the multi-way valve; the cabin cover system, the vehicle garage flat lock pin system, the garage flat lock pin system and the plate turnover system are respectively controlled by controlling the multi-way valve.
2. The hydraulic system of an inboard lift of claim 1, wherein: the platform assembly driving system comprises a first lifting driving oil cylinder, a second lifting driving oil cylinder, a first lifting reversing valve, a second lifting reversing valve, a first balance valve, a second balance valve, a third balance valve and a fourth balance valve;
the P port of the first lifting reversing valve is connected with the oil outlet of the proportional speed regulating valve, and the T port of the first lifting reversing valve is connected with the oil return port of the proportional speed regulating valve; the port A of the first lifting reversing valve is connected with the port A of the first balance valve, and the port B of the first lifting reversing valve is connected with the port A of the second balance valve; the port B of the first balance valve is connected with an oil inlet of the first lifting driving oil cylinder, and the port B of the second balance valve is connected with an oil return port of the first lifting driving oil cylinder;
a port P of the second lifting reversing valve is connected with an oil outlet of the proportional speed regulating valve, and a port T of the second lifting reversing valve is connected with an oil return port of the proportional speed regulating valve; the port A of the second lifting reversing valve is connected with the port A of the third balance valve, and the port B of the second lifting reversing valve is connected with the port A of the fourth balance valve; and the port B of the third balance valve is connected with an oil inlet of the second lifting driving oil cylinder, and the port B of the fourth balance valve is connected with an oil return port of the second lifting driving oil cylinder.
3. The hydraulic system of an inboard lift of claim 2, wherein: a first one-way throttle valve is connected between a control oil port of the first balance valve and an A port of the second balance valve, an oil inlet of the first one-way throttle valve is connected with a control oil port of the first balance valve, and an oil outlet of the first one-way throttle valve is connected with the A port of the second balance valve;
a second one-way throttle valve is connected between a control oil port of the second balance valve and the port A of the first balance valve, an oil inlet of the second one-way throttle valve is connected with a control oil port of the second balance valve, and an oil outlet of the second one-way throttle valve is connected with the port A of the first balance valve;
a third one-way throttle valve is connected between a control oil port of the third balance valve and an A port of the fourth balance valve, an oil inlet of the third one-way throttle valve is connected with a control oil port of the third balance valve, and an oil outlet of the third one-way throttle valve is connected with the A port of the fourth balance valve;
and a fourth one-way throttle valve is connected between a control oil port of the fourth balance valve and the port A of the third balance valve, an oil inlet of the fourth one-way throttle valve is connected with a control oil port of the fourth balance valve, and an oil outlet of the fourth one-way throttle valve is connected with the port A of the third balance valve.
4. The hydraulic system of an inboard lift of claim 1, wherein: the hatch cover system comprises a first hatch cover oil cylinder, a second hatch cover oil cylinder, a first hatch cover balance valve, a second hatch cover balance valve, a third hatch cover balance valve and a fourth hatch cover balance valve; the port A of the first cabin cover balance valve and the port A of the third cabin cover balance valve are connected with the oil outlet of the multi-way valve in parallel; the port A of the second hatch cover balance valve and the port A of the fourth hatch cover balance valve are connected with the oil outlet of the multi-way valve in parallel; the port B of the first hatch cover balance valve is connected with an oil inlet of the first hatch cover oil cylinder, and the port B of the second hatch cover balance valve is connected with an oil return port of the first hatch cover oil cylinder; and a port B of the third hatch cover balance valve is connected with an oil inlet of the second hatch cover oil cylinder, and a port B of the fourth hatch cover balance valve is connected with an oil return port of the second hatch cover oil cylinder.
5. The hydraulic system of an inboard lift of claim 1, wherein: the vehicle garage flat lock pin system and the hangar flat lock pin system respectively comprise lock pin driving systems, each lock pin driving system comprises more than two lock pin oil cylinders which are arranged in parallel, and an oil inlet and an oil return port of each lock pin oil cylinder are respectively connected with a first lock pin one-way throttle valve and a second lock pin one-way throttle valve; the port A of the first lock pin one-way throttle valve is connected with an oil outlet of the multi-way valve, and the port B of the first lock pin one-way throttle valve is connected with an oil inlet of the lock pin oil cylinder; the port A of the second lock pin one-way throttle valve is connected with an oil return port of the multi-way valve, and the port B of the first lock pin one-way throttle valve is connected with an oil return port of the lock pin oil cylinder.
6. The hydraulic system of an inboard lift of claim 1, wherein: the plate turnover system comprises two first plate turnover oil cylinders and two second plate turnover oil cylinders; an oil inlet of each first flap cylinder is connected with a first flap balance valve, and an oil outlet of each first flap cylinder is connected with a first second flap balance valve;
the port A of the first flap balance valve is connected with the oil outlet of the multi-way valve, and the port B of the first flap balance valve is connected with the oil inlet of the first flap oil cylinder; the port A of the first two-turn plate balance valve is connected with an oil return port of the multi-way valve, and the port B of the first two-turn plate balance valve is connected with an oil return port of the first turn plate oil cylinder; the control oil port of the first one-turn plate balance valve is connected with the port A of the first two-turn plate balance valve; the control oil port of the first two-turn plate balance valve is connected with the port A of the first one-turn plate balance valve;
an oil inlet of each second flap cylinder is connected with a second flap balance valve, and an oil outlet of each second flap cylinder is connected with a second flap balance valve;
the port A of the second first flap balance valve is connected with the oil outlet of the multi-way valve, and the port B of the second flap balance valve is connected with the oil inlet of the second flap oil cylinder; the port A of the second flap balance valve is connected with an oil return port of the multi-way valve, and the port B of the second flap balance valve is connected with an oil return port of the second flap oil cylinder; a control oil port of the second first flap balance valve is connected with an A port of the second flap balance valve; the control oil port of the second flap balance valve is connected with the port A of the second first flap balance valve.
7. The hydraulic system of an inboard lift of claim 2, wherein: the platform assembly is characterized by further comprising a dead weight balance system used for keeping the platform assembly balanced, the dead weight balance system is respectively connected with the first lifting driving oil cylinder and the second lifting driving oil cylinder, and an oil port of the platform assembly dead weight balance system is connected with an oil outlet of the energy accumulator.
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| CN202122741418.6U CN216922665U (en) | 2021-11-10 | 2021-11-10 | Hydraulic system of inboard elevator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215802A (en) * | 2021-11-10 | 2022-03-22 | 中船华南船舶机械有限公司 | Control method of hydraulic system of elevator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215802A (en) * | 2021-11-10 | 2022-03-22 | 中船华南船舶机械有限公司 | Control method of hydraulic system of elevator |
| CN114215802B (en) * | 2021-11-10 | 2024-05-31 | 中船华南船舶机械有限公司 | Control method of hydraulic system of lifter |
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