CN109573891B - Underwater test lifting device - Google Patents
Underwater test lifting device Download PDFInfo
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- CN109573891B CN109573891B CN201811237648.5A CN201811237648A CN109573891B CN 109573891 B CN109573891 B CN 109573891B CN 201811237648 A CN201811237648 A CN 201811237648A CN 109573891 B CN109573891 B CN 109573891B
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- Prior art keywords
- guide
- platform
- lifting
- mounting
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0616—Suspended platforms, i.e. the load platform hangs from the base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
Abstract
The invention discloses an underwater test lifting device which comprises an installation platform, a slewing mechanism and a main lifting mechanism. The slewing mechanism comprises a first driving unit, a slewing body and a guide frame. The first driving unit is arranged on the platform surface, an opening is formed in the middle of the platform surface, one end of the revolving body penetrates through the opening to be in transmission connection with the first driving unit, the guide frame is fixedly connected with the other end of the revolving body, and the guide frame can stretch along the axis direction of the revolving body. The main lifting mechanism comprises a supporting plate, a lifting truss, a hydraulic oil cylinder, a mounting plate and two guide assemblies, wherein the supporting plate is clamped between the revolving body and the guide frame. Two ends of the hydraulic oil cylinder are respectively fixedly connected with the two guide assemblies, and the two guide assemblies are arranged on the supporting plate in a sliding manner. The two ends of the lifting truss are respectively hinged with the two guide assemblies and are connected with the mounting plate in a sliding mode. The guide frame is fixedly connected with the mounting plate, and the mounting plate is used for mounting equipment to be tested. The underwater test lifting device can improve the running stability and precision of test equipment.
Description
Technical Field
The invention relates to the field of underwater test devices, in particular to an underwater test lifting device.
Background
The underwater test lifting device is used for testing the underwater performance and parameters of the test equipment.
The existing underwater testing device is provided with a lifting platform, the lifting platform is arranged on a deck, a winch is arranged on the lifting platform and used for lifting and lowering a lifting rod, and the lifting rod is connected with testing equipment. The deck is provided with an opening, and the test equipment is lowered to a certain depth from the opening through lowering of the lifting rod by the winch and lifting of the lifting platform. And the lower end of the lifting rod is provided with a rotary table driving mechanism, and the rotary table driving mechanism can drive the lifting rod to drive the test equipment to rotate for testing. Test equipment such as sonar equipment, test device detectable sonar equipment is 360 degrees orientations's performance under water.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems: the test equipment is fixed only by the lifter under water, has the unstable operation under the effect of unrestrained stream under water, leads to the problem of poor precision.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiment of the invention provides an underwater test lifting device. The technical scheme is as follows:
the invention provides an underwater test lifting device, which comprises an installation platform, a slewing mechanism and a main lifting mechanism,
the mounting platform comprises a platform surface and a plurality of support legs for supporting the platform surface;
the slewing mechanism comprises a first driving unit, a slewing body and a guide frame, the first driving unit is arranged on the platform surface, an opening is formed in the middle of the platform surface, one end of the slewing body penetrates through the opening to be in transmission connection with the first driving unit, the guide frame is fixedly connected with the other end of the slewing body, and the guide frame can stretch along the axial direction of the slewing body;
the main lifting mechanism comprises a supporting plate, a lifting truss, hydraulic oil cylinders, a mounting plate and guide assemblies, the supporting plate is clamped between the revolving body and the guide frame, the supporting plate is perpendicular to the length direction of the guide frame, two ends of each hydraulic oil cylinder are fixedly connected with the two guide assemblies respectively, the hydraulic oil cylinders are perpendicular to the guide assemblies, and the two guide assemblies can be arranged on the supporting plate in a sliding mode along the axial direction of the hydraulic oil cylinders;
one end of the lifting truss is hinged with the two guide assemblies and is used for being driven by the two guide assemblies to stretch, and the other end of the lifting truss is connected with the mounting plate in a sliding mode;
one end of the guide frame, which is far away from the revolving body, is fixedly connected with the mounting plate, and the mounting plate is used for mounting equipment to be tested.
Optionally, two parallel guide legs are arranged on two side edges of the supporting plate, two guide grooves matched with the guide legs are arranged on each guide assembly, and the guide assemblies can slide along the guide legs through the guide grooves.
Optionally, the guide assembly is further provided with a guide pin, the guide leg is provided with a sliding groove for allowing the guide pin to slide along the sliding direction of the guide assembly, and the guide pin is perpendicular to the sliding direction of the guide assembly and penetrates through the two sliding grooves and the guide groove.
Optionally, the guide frame with the one end that the mounting panel is connected is equipped with the reinforcing plate, the reinforcing plate with mounting panel fixed connection.
Optionally, be equipped with slewing bearing on the solid of revolution, slewing bearing one side the outer lane with keeping away from of the solid of revolution the one end fixed connection of leading truck, slewing bearing's opposite side is equipped with the ring flange, the ring flange with slewing bearing's inner circle fixed connection, the diameter of ring flange is greater than slewing bearing's outer lane's diameter, the ring flange pass through the support column with platform face fixed connection.
Optionally, the platform face includes supporting platform and sets up moving platform on the supporting platform, the last slide that is equipped with of supporting platform, moving platform be equipped with slide complex pulley, the last circular opening that is equipped with of moving platform, moving platform is equipped with length and is greater than the rectangle opening of solid of revolution diameter, the solid of revolution is located moving platform is last, and passes circular opening with the rectangle opening.
Optionally, the mounting platform further comprises a telescopic unit, one end of the telescopic unit is fixedly connected with the supporting platform, the other end of the telescopic unit is fixedly connected with the moving platform, and the telescopic unit can stretch in a plane parallel to the moving platform.
Optionally, the slewing mechanism further comprises a locking plate and a locking pin, the slewing body, the locking plate and the guide frame are sequentially and fixedly connected, a first locking hole is formed in the locking plate, a second locking hole corresponding to the first locking hole is formed in the guide assembly, and the locking pin can penetrate through the first locking hole and the second locking hole to lock the guide assembly and the locking plate together.
Optionally, experimental elevating gear still is equipped with inferior elevating system under water, inferior elevating system includes two winch of taking the rope and a plurality of locating respectively the lift fixed pulley of the tip of supporting leg, it is a plurality of the supporting leg passes the landing deck, the landing deck can be followed the endwise slip of supporting leg, two hank ropes of every winch pass two lift fixed pulleys respectively, the other end of hank rope is fixed in the landing deck.
On the other hand, the underwater test ship comprises an underwater test lifting device and a mounting platform, wherein a mounting opening is formed in a deck of the underwater test ship, the mounting plate is arranged right above the mounting opening, and the mounting platform is slidably arranged at the mounting opening.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the device comprises an installation platform, a slewing mechanism and a main lifting mechanism. Wherein, mounting platform includes the platform face, supports the platform face through a plurality of supporting legs. The slewing mechanism comprises a first driving unit, a slewing body and a guide frame, wherein the first driving unit is arranged on a platform surface and supported by the platform surface of the mounting platform, an opening is formed in the middle of the platform surface, the slewing body penetrates through the opening to be in transmission connection with the first driving unit, and the other end of the slewing body is connected with the guide frame, so that the guide frame and the slewing body can rotate around the axis of the slewing body under the driving of the first driving unit. The main lifting mechanism comprises a supporting plate, a lifting truss, a hydraulic oil cylinder, a mounting plate and two guide assemblies, wherein the supporting plate is fixedly connected to the connecting end of the revolving body and the guide frame and rotates under the driving of the revolving body, the two ends of the hydraulic oil cylinder are connected with the guide assemblies, the two guide assemblies can be driven by the extension and contraction of the hydraulic oil cylinder to slide on the supporting plate, one end of the lifting truss is hinged to the guide assemblies, the other end of the lifting truss is connected with the mounting plate in a sliding mode, and therefore the extension and the retraction of the lifting truss can be driven by the. One end of the guide frame, which is far away from the revolving body, is fixedly connected with the mounting plate, and the mounting plate can be provided with equipment to be tested. When the test ship is used, the supporting legs of the mounting platform are mounted on a deck, provided with a mounting opening, of the test ship, the lifting truss is located right above the mounting opening and drives the revolving body to rotate through the first driving unit, and therefore the supporting plate and the mounting plate are driven to rotate, and the test equipment is driven to rotate. Extension and shortening of the hydraulic oil cylinder can drive the guide assembly to slide, and the guide assembly drives the lifting truss to extend and retract, so that the testing equipment is driven to be transferred and recovered. The mounting plate is not only connected with the guide frame, but also connected with the lifting truss. Therefore, when the mounting plate rotates underwater, the stress is more uniform and the operation is more stable. Similarly, the equipment to be tested, which is arranged on the mounting plate, can run more stably and the precision is higher during the test.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an underwater test lifting device provided by an embodiment of the invention;
FIG. 2 is a top view of a main lift mechanism provided in accordance with an embodiment of the present invention;
fig. 3 is a partially expanded view of a lifting truss unit provided in an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line A as provided in FIG. 2;
FIG. 5 is a schematic structural diagram of a guide assembly provided in an embodiment of the present invention;
fig. 6 is a schematic top view of an underwater test lifting device provided in an embodiment of the present invention;
fig. 7 is an extension schematic diagram of an underwater test lifting device provided by an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an underwater test lifting device provided in an embodiment of the present invention, and as shown in fig. 1, the underwater test lifting device includes a mounting platform 1, a slewing mechanism 2, and a main lifting mechanism 3, where the mounting platform 1 includes a platform surface 11 and a plurality of support legs 12 for supporting the platform surface 11.
The swing mechanism 2 includes a first drive unit 21, a rotation body 22, and a guide frame 23. The first driving unit 21 is arranged on the platform surface 11, an opening is formed in the middle of the platform surface 11, one end of the revolving body 22 penetrates through the opening to be in transmission connection with the first driving unit 21, the guide frame 23 is fixedly connected with the other end of the revolving body 22, and the guide frame 23 can stretch along the axial direction of the revolving body 22.
Fig. 2 is a top view of a lifting mechanism according to an embodiment of the present invention, and as shown in fig. 2, the main lifting mechanism 3 includes a support plate 31, a lifting truss 32, a hydraulic cylinder 33, a mounting plate 34, and two guide assemblies 35. The support plate 31 is clamped between the revolving body 22 and the guide frame 23, the support plate 31 is perpendicular to the length direction of the guide frame 23, two ends of the hydraulic cylinder 33 are respectively fixedly connected with the 2 guide assemblies 35, and the two guide assemblies 35 are arranged on the support plate 31 in a manner of sliding along the axial direction of the hydraulic cylinder 33. One end of the lifting truss 32 is hinged to the two guide assemblies 35 and is driven by the two guide assemblies 35 to extend and retract, and the other end of the lifting truss 32 is slidably connected with the mounting plate 34. One end of the guide frame 23 far away from the revolving body 22 is fixedly connected with a mounting plate 34, and the mounting plate 34 is used for mounting equipment to be tested.
As shown in fig. 1, in the embodiment of the present invention, the lifting truss 32 includes n lifting truss units 321 of a campstool cross type connected in sequence, the lifting truss units 321 are hinged to each other, and each lifting truss unit 321 is a telescopic structure. Fig. 3 is a partially expanded view of a lifting truss unit according to an embodiment of the present invention, and referring to fig. 3, each lifting truss unit 321 includes 4 lifting truss rods 3211 and a locking pin shaft 3212 passing through a midpoint of the 4 lifting truss rods 3211, and the 4 lifting truss rods 3211 are rotatable about an axis of the locking pin shaft 3212. The guide frame 23 is provided with a slide groove 231 extending in the axial direction, and each lock pin shaft 3212 passes through the slide groove 231 and is slidable in the axial direction of the guide frame 23. Two lifting truss rods 3211 are respectively disposed at two ends of the locking pin 3212, that is, two lifting truss rods 3211 are respectively disposed at two sides of the guide frame 23. The end of the lifting truss rod of each intermediate lifting truss unit 321 is hinged to the end of the lifting truss rod 3211 of the corresponding adjacent lifting truss unit 321. The locking pin shaft 3212 axially slides along the sliding groove 231 of the guide frame 23, and the locking pin shaft 3212 passes through the midpoint of the lifting truss rod 3211, thereby ensuring that the lifting truss 32 is maintained to be symmetrical with respect to the plane in which the sliding groove 231 and the locking pin shaft 3212 are located.
Fig. 4 is a sectional view taken along direction a of fig. 2, and referring again to fig. 3 and 4, the end of the first lifting truss unit 321a at one end of the lifting truss 32 is connected to two guide assemblies 35, two lifting truss rods 3211 at each side of the axis of the locking pin shaft 3212 are hinged to both ends of 1 guide assembly 35, and the nth lifting truss unit at the other end of the lifting truss 32 is slidably connected to the mounting plate. One end of the guide frame 23 away from the revolving body 22 is fixedly connected with a mounting plate 34 (see fig. 1). The mounting plate 34 is used for mounting the equipment to be tested, and the mounting plate 34 is provided with a connecting device. For example, the mounting plate 34 is provided with a connecting hole, or the mounting plate 34 is provided with a connecting member, through which a test device to be tested is connected.
Fig. 5 is a schematic structural diagram of a guide assembly according to an embodiment of the present invention. As shown in fig. 4 and 5, alternatively, two parallel guide legs 311 are disposed on two sides of the supporting plate 31, two guide grooves 351 matched with the guide legs 311 are disposed on each guide assembly 35, and the guide assemblies 35 can slide along the guide legs 311 through the guide grooves 351. The guide groove 351 and the guide leg 311 may linearly displace the guide assembly 35 along the length direction of the guide leg 311. The lifting truss 32 is hinged with the guide component 35, and the displacement of the guide component 35 can drive the lifting truss 32 to extend and retract.
Optionally, a guide pin 352 is disposed in the guide assembly 35, a pin slot allowing the guide pin 252 to slide is disposed in the guide leg 311 in the longitudinal direction, and the guide pin 352 is perpendicular to the sliding direction of the guide assembly 35 and passes through the guide slot 351 and the pin slot. Displacement of the guide pin 352 within the pin slot may further limit linear displacement of the guide assembly 35. The parts of the two ends of the guide pin 352 penetrating through the sliding grooves and the guide grooves 351 can provide hinge positions for the lifting truss 32 and the hydraulic oil cylinder 33 to be hinged with the guide assembly 35, namely, the lifting truss 32 and the hydraulic oil cylinder 33 are hinged with the guide assembly 35 through the two ends of the guide pin 352. Illustratively, a lifting lug is welded to the connection part of the first lifting truss unit 321a of the lifting truss 32 and the guide pin 352, and the first lifting truss unit 321a is hinged to both ends of the guide pin 352 through the lifting lug. Similarly, lifting lugs may be provided at both ends of hydraulic cylinder 33, and hydraulic cylinder 33 is hinged to both ends of guide pin 352 via the lifting lugs. The lifting lugs of the first lifting truss unit 321a are located inside the lifting lugs of the hydraulic rams 33.
In this embodiment, the guide assembly 35 includes a right mounting plate 353, a left mounting plate 354, a right lower plate 355, a left lower plate 356, and an upper plate 357. The right and left lower plates 355, 356 and 357 are parallel to each other, and the right and left mounting plates 353, 354 are perpendicular to and connected to the right and left lower plates 355, 356 and 357, respectively. Illustratively, the guide groove 351 is formed by welding the right mounting plate 353 to the right lower plate 355 and the upper plate 357, and the guide groove 351 is formed by welding the left mounting plate 354 to the left lower plate 356 and the upper plate 357. The right mounting plate 353 is provided with a right pin hole 3531, and the left mounting plate 354 is provided with a left pin hole 3541. The guide pin 352 (see fig. 4) passes through the right pin hole 3531 and the left pin hole 3541.
In this embodiment, two hydraulic rams 33 are provided between the two guide assemblies 35. Two ends of each hydraulic oil cylinder 33 are respectively connected with two guide assemblies 35, and the length directions of the two hydraulic oil cylinders 33 are parallel, so that the stress is more uniform. Illustratively, both ends of hydraulic ram 33 are hinged to both ends of guide pin 352 of guide assembly 35. The first lifting truss unit 321a is also connected to both ends of the guide pin 352.
Referring again to fig. 1, optionally, a reinforcing plate 232 is disposed at an end of the guide frame 23 connected to the mounting plate 34, and the reinforcing plate 232 may be fixedly connected to the mounting plate 34. Reinforcing plate 232 can make mounting panel 34 more stable, and mounting panel 34 installation test equipment back also can make test equipment operation more stable.
Alternatively, the rotation body 22 is provided with a rotation support bearing 221. The outer ring of one side of the rotation support bearing 221 is fixedly connected with one end of the rotation body 22 far away from the guide frame 23, and the other side of the rotation support bearing 221 is provided with a flange. The flange plate is fixedly connected with the inner ring of the rotary support bearing 221, the diameter of the flange plate is larger than that of the outer ring of the rotary support bearing 221, and the flange plate is fixedly connected with the platform surface 11 through the support columns. The revolving body 22 is connected with the platform surface 11 through the revolving support bearing 221, so that the revolving body 22 can rotate relative to the platform surface 11, and the platform surface 11 can provide axial support force for the revolving body 22. Illustratively, a gear is provided on an outer ring of the slewing bearing 221, and the first drive unit 21 drives the slewing body 22 to rotate through the gear. Illustratively, the first driving unit 21 includes a motor and a reduction gearbox, and the motor can drive the revolving body to rotate through the engagement of the reduction gearbox and the gear on the bearing.
Alternatively, the platform surface 11 may include a supporting platform 111 and a moving platform 112 disposed on the supporting platform 111, the supporting platform 111 is provided with a slideway 1111, the moving platform 112 is provided with a pulley 1121 matched with the slideway, the moving platform 112 is provided with a circular opening, the supporting platform 111 is provided with a rectangular opening having a length greater than the diameter of the revolving body 22, and the revolving body 22 is disposed on the moving platform 112 and passes through the circular opening and the rectangular opening. The arrangement of the pulley 1121 on the movable platform 112 enables the movable platform 12 to move along the slide 111 within a certain range of the fixed support platform 11, thereby driving the revolving body 22 to move within the rectangular opening of the support platform 111. When the installation equipment is not aligned with the connecting device on the mounting plate 34, the moving platform 11 can slide along the slide rail 111 to drive the revolving body 22 to move, so that the mounting plate 34 connected with the lifting truss 32 is driven to move, and the connecting device of the mounting plate 34 is conveniently aligned with the installation equipment.
Optionally, the mounting platform 1 further includes a telescopic unit 13, one end of the telescopic unit 13 is fixedly connected to the supporting platform 111, the other end of the telescopic unit 13 is fixedly connected to the moving platform 112, and the telescopic unit 13 can be extended and retracted in a plane parallel to the moving platform 112. Of course, the other end of the telescopic unit 13 may also be fixedly connected to the first driving unit 21, the first driving unit 21 is fixed on the movable platform 112, and the telescopic unit 13 can be telescopic in a plane parallel to the movable platform 112. The telescopic unit 13 is exemplarily a hydraulic cylinder. The telescopic unit 13 can push the moving platform 112 to move, so that the moving platform 112 can move along the slideway 1111 mechanically, and the precision can be improved, and the labor can be saved.
In this embodiment, the two ends of the slide rail 111 are further provided with a limiting plate 1112, the limiting plate 1112 is disposed on the supporting platform 111, and the limiting plate 1112 can limit the maximum displacement of the moving platform 112, so as to prevent the moving platform 112 from sliding off the slide rail 1111.
Referring to fig. 3, optionally, the swing mechanism 2 further includes a locking plate 24 and a locking pin 25, the swing body 22, the locking plate 24 and the guide frame 23 are sequentially and fixedly connected, the support plate 31 and the locking plate 24 are parallel to each other, a first locking hole 241 is provided on the locking plate 24, a second locking hole 3571 corresponding to the first locking hole 241 is provided on the guide assembly 35, and the locking pin 25 can pass through the first locking hole 241 and the second locking hole 3571 to lock the guide assembly 35 and the locking plate 24 together. The extension and contraction of the hydraulic oil cylinder 33 drives the guide assembly 35 to displace, so that the lifting truss is driven to extend and retract. When the lifting truss 32 is fully retracted or extended, the guide assembly 31 and the locking plate 24 are locked together by inserting the locking pin 25, i.e., the locking of the lifting truss 32 and the slewing mechanism 2 is achieved. At this time, the hydraulic cylinder 33 may lock the working state of the upgrade truss 32 without being completely stressed, and the reliability of the main elevating mechanism 3 may be improved.
Fig. 6 is a schematic top view of an underwater test lifting device according to an embodiment of the present invention. Referring to fig. 1 and fig. 6, optionally, the underwater test lifting device is further provided with a secondary lifting mechanism 4, the secondary lifting mechanism 4 includes two winch 41 with rope and a plurality of lifting fixed pulleys 42 respectively arranged at the ends of the supporting legs 12, the plurality of supporting legs 12 pass through the platform surface 11, the platform surface 11 can slide along the axial direction of the supporting legs 12, two twisted ropes of each winch 41 respectively pass through the two lifting fixed pulleys 42, and the other ends of the twisted ropes are fixed on the platform surface 11. Winch 41 drives and can pull the stranded rope, drives mounting platform 1 to displace along the length direction of supporting leg 12, and supporting leg 42 is fixedly mounted on the deck. Therefore, the secondary lifting mechanism 4 can lift the platform surface 11 to displace in the length direction of the supporting legs 12, so that the mounting plate 34 of the underwater test lifting device has enough distance from the deck, and the mounting of the test equipment is convenient.
In the present embodiment, the secondary lifting mechanism 4 further includes 4 vertical pulleys 43 and 4 horizontal pulleys 44. Each winch 41 pulls two strands through two horizontal pulleys 44, two vertical pulleys 43 and two lifting fixed pulleys 42, respectively, the other ends of the strands being fixed to the mounting platform 1. The winch 41 drives and pulls the twisted rope, so that the mounting platform 1 can be driven to move along the length direction of the supporting leg. The design can use two winches to drive 4 pulley blocks, so that the number of the winches is saved, and the space of a platform can be saved.
The embodiment of the invention also provides an underwater test ship, and referring to fig. 1, the underwater test ship comprises the underwater test lifting device and a mounting table 5, a mounting opening is arranged on a deck of the underwater test ship, a mounting plate 34 is arranged right above the mounting opening, and the mounting table 5 is slidably arranged at the mounting opening. The installation table 5 is provided with an object placing table 51 and two parallel guide rails 52, the guide rails 52 are arranged on the deck, and the object placing table 51 can be moved out of the installation opening along the guide rails 52. The object placing table 51 can slide away from the installation opening along the guide rail 52 when the test equipment is installed, the test equipment is placed on the object placing table 51 through a crane or other equipment, and then the object placing table 51 is moved to the installation opening along the guide rail 52, namely, the position right below the installation plate 34, so that the test equipment can be conveniently installed. After the test equipment is installed, the object placing table 51 can be slid away from the installation opening, so that the underwater test lifting mechanism is lowered into water from the installation opening.
Optionally, the mounting table 5 further includes a second driving unit 53 and a lifting rod 54, the lifting rod 54 is disposed on two sides of the mounting table 5, the lifting rod 54 is perpendicular to the mounting table, a rack is disposed in an axial direction of the lifting rod 54, the second driving unit 53 is provided with a gear engaged with the rack, and the second driving unit 53 is disposed on the guide rail. In this embodiment, the second driving unit 53 is a motor, and the motor operates to drive the gear to rotate, so as to drive the lifting rod provided with the rack to move up and down. The relative position of the object placing table 51 and the mounting plate 34 can be adjusted, and the mounting plate 34 is provided with a connecting device, such as a connecting piece or a connecting hole. When the test equipment is installed and the connecting device of the test equipment and the mounting plate 34 has a height gap, the second driving unit 53 can drive the lifting rod 54 to move up and down, so that the object placing table 51 is driven to move up and down, the test equipment is close to the mounting plate 34, and the installation is convenient.
Fig. 7 is an extension schematic diagram of an underwater test lifting device provided by an embodiment of the invention. As shown in fig. 7, the secondary lift mechanism 4 is now lowered to the deck level and the primary lift mechanism is deployed to extend from the deck's installation opening into the water. The mounting plate 34 may be attached to a test apparatus for testing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An underwater test lifting device is characterized by comprising an installation platform (1), a slewing mechanism (2) and a main lifting mechanism (3),
the mounting platform (1) comprises a platform surface (11) and a plurality of supporting legs (12) for supporting the platform surface (11);
the slewing mechanism (2) comprises a first driving unit (21), a slewing body (22) and a guide frame (23), the first driving unit (21) is arranged on the platform surface (11), an opening is formed in the middle of the platform surface (11), one end of the slewing body (22) penetrates through the opening to be in transmission connection with the first driving unit (21), the guide frame (23) is fixedly connected with the other end of the slewing body (22), and the guide frame (23) can stretch along the axial direction of the slewing body (22);
the main lifting mechanism (3) comprises a supporting plate (31), a lifting truss (32), a hydraulic oil cylinder (33), a mounting plate (34) and two guide assemblies (35), the supporting plate (31) is clamped between the revolving body (22) and the guide frame (23), the supporting plate (31) is perpendicular to the length direction of the guide frame (23), two ends of the hydraulic oil cylinder (33) are fixedly connected with the two guide assemblies (35) respectively, and the two guide assemblies (35) can be arranged on the supporting plate (31) in a sliding manner along the axial direction of the hydraulic oil cylinder (33);
one end of the lifting truss (32) is hinged with the two guide assemblies (35) and is used for being driven by the two guide assemblies (35) to stretch, and the other end of the lifting truss (32) is connected with the mounting plate (34) in a sliding mode;
one end, far away from the revolving body (22), of the guide frame (23) is fixedly connected with the mounting plate (34), and the mounting plate (34) is used for mounting equipment to be tested.
2. An underwater test lifting device as claimed in claim 1, wherein two guide legs (311) parallel to each other are provided on both sides of the supporting plate (31), and two guide grooves (351) matching with the guide legs (311) are provided on each guide member (35), and the guide members (35) can slide along the guide legs (311) through the guide grooves (351).
3. An underwater test lifting device according to claim 2, characterized in that the guide assembly (35) is further provided with a guide pin (352), the guide leg (311) is provided with a sliding groove for sliding the guide pin (352) along the sliding direction of the guide assembly (35), and the guide pin (352) is perpendicular to the sliding direction of the guide assembly (35) and passes through both the sliding groove and the guide groove (351).
4. The underwater test lifting device as claimed in claim 1, wherein a reinforcing plate (232) is arranged at one end of the guide frame (23) connected with the mounting plate (34), and the reinforcing plate (232) is fixedly connected with the mounting plate (34).
5. The underwater test lifting device according to claim 1, wherein a rotation support bearing (221) is arranged on the rotation body (22), an outer ring of one side of the rotation support bearing (221) is fixedly connected with one end, far away from the guide frame (23), of the rotation body (22), a flange is arranged on the other side of the rotation support bearing (221), the flange is fixedly connected with an inner ring of the rotation support bearing (221), the diameter of the flange is larger than that of the outer ring of the rotation support bearing (221), and the flange is fixedly connected with the platform surface (11) through a support column.
6. The underwater test lifting device of claim 1, wherein the platform surface (11) comprises a supporting platform (111) and a moving platform (112) arranged on the supporting platform (111), a slide (1111) is arranged on the supporting platform (111), the moving platform (112) is provided with a pulley (1121) matched with the slide, a circular opening is arranged on the moving platform (112), the supporting platform (111) is provided with a rectangular opening with a length larger than the diameter of the revolving body (22), and the revolving body (22) is arranged on the moving platform (112) and passes through the circular opening and the rectangular opening.
7. The underwater test lifting device according to claim 6, wherein the mounting platform (1) further comprises a telescopic unit (13), one end of the telescopic unit (13) is fixedly connected with the supporting platform (111), the other end of the telescopic unit (13) is fixedly connected with the moving platform (112), and the telescopic unit (13) can be telescopic in a plane parallel to the moving platform (112).
8. The underwater test lifting device as claimed in any one of claims 1 to 6, wherein the slewing mechanism (2) further comprises a locking plate (24) and a locking pin (25), the slewing body (22), the locking plate (24) and the guide frame (23) are sequentially and fixedly connected, a first locking hole (241) is formed in the locking plate (24), a second locking hole (3571) corresponding to the first locking hole (241) is formed in the guide assembly (35), and the locking pin (25) can pass through the first locking hole (241) and the second locking hole (3571) to lock the guide assembly (35) and the locking plate (24) together.
9. The underwater test lifting device according to any one of claims 1 to 6, further provided with a secondary lifting mechanism (4), wherein the secondary lifting mechanism (4) comprises two rope winches (41) and a plurality of lifting fixed pulleys (42) respectively arranged at the ends of the supporting legs (12), the plurality of supporting legs (12) pass through the platform surface (11), the platform surface (11) can slide along the axial direction of the supporting legs (12), two stranded ropes of each winch (41) respectively pass through the two lifting fixed pulleys (42), and the other ends of the stranded ropes are fixed on the platform surface (11).
10. An underwater test ship, characterized in that the underwater test ship comprises the underwater test lifting device and a mounting platform (5) according to any one of claims 1 to 9, a mounting port is arranged on a deck of the underwater test ship, the mounting plate (34) is arranged right above the mounting port, and the mounting platform (5) is slidably arranged at the mounting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237648.5A CN109573891B (en) | 2018-10-23 | 2018-10-23 | Underwater test lifting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811237648.5A CN109573891B (en) | 2018-10-23 | 2018-10-23 | Underwater test lifting device |
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| CN109573891A CN109573891A (en) | 2019-04-05 |
| CN109573891B true CN109573891B (en) | 2020-11-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113108034B (en) * | 2021-04-27 | 2022-06-21 | 哈尔滨工业大学 | Small-size solid of revolution rotation release |
| CN113247202B (en) * | 2021-05-19 | 2022-04-08 | 中国船舶科学研究中心 | Underwater test guaranteeing device and testing method |
| CN115092858B (en) * | 2022-06-17 | 2023-09-19 | 中国舰船研究设计中心 | Ship underwater test operation system and method |
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| JPH01285585A (en) * | 1988-05-10 | 1989-11-16 | Hikoma Seisakusho Kk | Stabilizing mechanism for pantograph |
| US8162159B2 (en) * | 2007-04-04 | 2012-04-24 | Carter Mark C | Modular garage storage |
| CN101402393B (en) * | 2008-11-13 | 2012-11-28 | 大连理工大学 | Special operation platform for mounting wind-driven generator |
| CN102180427B (en) * | 2011-05-11 | 2013-04-03 | 清华大学 | Pivot fixed multi-face constrained scissor-type lifting mechanism |
| CN204079372U (en) * | 2014-09-11 | 2015-01-07 | 宝鸡市银光电力机具有限责任公司 | Hydraulic lifting type fliping lifting frame |
| CN205918365U (en) * | 2016-07-21 | 2017-02-01 | 宝鸡石油机械有限责任公司 | Ocean reconnaissance ship hydraulic pressure plays to rise a type derrick drilling system |
| CN108100968A (en) * | 2017-12-19 | 2018-06-01 | 华中科技大学无锡研究院 | A kind of scissor type telescopic arm |
| CN207932969U (en) * | 2018-02-24 | 2018-10-02 | 广州宇跃自动化设备有限公司 | a kind of elevator |
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