CN214879516U - Hoisting device - Google Patents

Abstract

The utility model relates to a lifting device; the hoisting device comprises a main body frame, a transmission shaft, a driving assembly, a limiting assembly and a connecting assembly; the connecting assembly comprises a connecting seat and a mounting plate which moves relative to the connecting seat in the axial direction of the transmission shaft; at least one group of through holes are arranged on the connecting seat; each group of through holes comprises a plurality of layers of through holes; the multi-layer through holes are positioned on one side of the transmission shaft and are arranged at intervals along the direction vertical to the motion direction of the transmission shaft; the mounting plate is provided with at least one group of bolts; each group of bolts comprises a plurality of layers of bolts which have different lengths and are used for being connected with a plurality of hanging strips arranged corresponding to the plurality of layers of workpieces; the multilayer bolt sets up in one side of transmission shaft, and sets up along the direction interval of perpendicular to transmission shaft motion to be cascaded and arrange, correspond the setting with a plurality of locks position subassembly. The hoisting device is easy and convenient to operate, the construction efficiency can be greatly improved, and the cost is saved.

Description

Hoisting device

Technical Field

The utility model relates to an ocean engineering field, more specifically say, relate to a hang and put device.

Background

The underwater production system is an important link in the ocean oil and gas development process, comprises various submarine pipelines, submarine cables, cables and the like, is used for conveying oil and gas and transmitting electric power and signals, and can not normally operate due to abrasion of the submarine pipelines and the submarine cables caused by factors such as uneven and complicated geology of submarine topography, variable ocean conditions, interference influence of marine life of passing ships and the like. To avoid wear, these umbilical lines are often protected by covering with a cement block to ensure proper operation of the subsea production system.

The existing installation technology can only transfer and install one layer of workpieces at each time, such as the existing cement pressing block installation technology can only transfer and install one layer of cement pressing block at each time, and at the depth of 1500 m of operation water, the crane needs 3 hours to receive and release once, so that under the condition that the depth of water is deep and the number of cement pressing blocks needing to be installed is large, a large amount of time and ship and manpower resources are consumed, the construction efficiency is low, the progress is slow, and the cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a modified hangs puts device, aims at a plurality of work pieces of handling simultaneously to different regional successive layers release installation or the installation of releasing simultaneously of same regional multilayer under water, easily operation and ROV can carry out the unblock release of multilayer work piece in the device department of keeping away, make the work piece higher at deep water operation environment installation effectiveness, it is more convenient to operate, saves cost and resource by a wide margin, and can better deal with proruption situation, reduce the risk.

The utility model provides a technical scheme that its technical problem adopted is: constructing a lifting device, which comprises a main body frame, a transmission shaft, a driving assembly, a connecting assembly and a locking structure, wherein the transmission shaft and the main body frame do relative motion and are arranged on the main body frame, the driving assembly is connected with the transmission shaft to drive the transmission shaft to move, the connecting assembly is arranged on the transmission shaft and the main body frame and is used for connecting a plurality of hanging strips arranged corresponding to a plurality of layers of workpieces, and the locking structure is used for locking the transmission shaft and the main body frame;

the locking structure comprises a plurality of locking components which are arranged at intervals along the axial direction of the transmission shaft;

the connecting assembly comprises a connecting seat and a mounting plate which moves relative to the connecting seat in the axial direction of the transmission shaft;

at least one group of through holes are formed in the connecting seat; each set of the through holes comprises a plurality of layers of through holes; the through holes are positioned on one side of the transmission shaft and are arranged at intervals along the direction vertical to the motion direction of the transmission shaft;

at least one group of bolts is arranged on the mounting plate; each group of bolts comprises a plurality of layers of bolts which have different lengths and are used for being connected with a plurality of hanging strips arranged corresponding to the plurality of layers of workpieces; the plurality of layers of the bolts are arranged on one side of the transmission shaft, are arranged at intervals along the direction vertical to the motion direction of the transmission shaft, are distributed in a step mode and are arranged corresponding to the plurality of locking assemblies; when the transmission shaft and the main body frame do relative motion, the transmission shaft and the main body frame are sequentially inserted into the through holes correspondingly formed in the connecting seat to hoist the multilayer workpieces, or the locking assemblies are sequentially unlocked, and when the transmission shaft and the main body frame do relative motion, the transmission shaft and the main body frame sequentially disengage from the through holes correspondingly formed in the connecting seat to sequentially release and install the multilayer workpieces.

Preferably, the connecting assemblies are in multiple groups; the multiple groups of connecting components are arranged at intervals along the axial direction of the transmission shaft;

a plurality of connecting seats of the plurality of groups of connecting components are arranged on the main body frame at intervals along the axial direction of the transmission shaft and are sleeved on the periphery of the transmission shaft;

the multiple mounting plates of the multiple groups of connecting assemblies are arranged at intervals along the axial direction of the transmission shaft and sleeved on the periphery of the transmission shaft, and the transmission shaft drives the connecting seats to move relatively.

Preferably, a guide structure for guiding the installation of the hanging strip is arranged on the main body frame;

the guide structure and the connecting assembly are correspondingly arranged.

Preferably, the guide structure comprises a plurality of guide holes corresponding to the plurality of layers of the plug pins.

Preferably, each locking assembly comprises a locking hole and a locking bolt; the lock hole is arranged on the side wall of the transmission shaft;

the locking bolt is connected with the main body frame and is detachably inserted in the lock hole to be matched with the lock hole.

Preferably, the main body frame includes a frame main body and two support rods disposed at two opposite sides of the frame main body;

the support rod is provided with a connecting convex part; the connecting convex part is connected with the position locking bolt through a drawing cable;

the frame main body is provided with a connecting ring; a small hook is arranged in the middle of the locking bolt; the small hook is connected with the locking bolt through a cable.

Preferably, a limit structure for limiting the transmission shaft is arranged on the main body frame;

the limiting structure comprises a plurality of limiting doors which are arranged along the axial direction of the transmission shaft at intervals and sleeved on the transmission shaft.

Preferably, the driving assembly comprises an operating handle which is arranged at one end of the transmission shaft, is hinged with the transmission shaft and the main body frame and is operated by external equipment or an operator.

Preferably, the lifting device further comprises a lifting structure arranged on the main body frame for lifting;

and/or the handle is arranged on the main body frame and used for external equipment to hold;

and/or the connecting structure is arranged on the main body frame and connected with the free end of the hanging strip.

Preferably, the positioning structure is arranged on the main body frame and used for lowering and positioning the main body frame.

Implement the utility model discloses a hang and put device has following beneficial effect: this hoisting device accessible drive assembly drives the transmission shaft and main body frame and is relative motion, and then make to be cascaded arrangement in one side of transmission shaft and insert in the each layer through-hole that corresponds the setting on the connecting seat or follow the through-hole that corresponds the setting on the connecting seat in proper order and deviate from in the connecting seat, thereby realize a plurality of work pieces of handling simultaneously, and release the installation or the installation of releasing simultaneously of the same regional multilayer by layer in different regions under water, easy operation and ROV can carry out the unblock release of multilayer work piece in the device remote department, make the work piece higher at deep water operation environment installation effectiveness, it is more convenient to operate, save cost and resource by a wide margin, and can better deal with proruption situation, risk reduction.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic structural view of a locking state of a hoisting device according to some embodiments of the present invention;

FIG. 2 is a schematic illustration of the hoist of FIG. 1 in a first unlocked state;

FIG. 3 is a schematic illustration of the hoist of FIG. 1 in a second unlocked state;

FIG. 4 is a schematic illustration of the hoist of FIG. 1 in a third unlocked state;

FIG. 5 is a partial schematic view of the hoist of FIG. 1;

FIG. 6 is a schematic view of a drive shaft of the hoist assembly of FIG. 1;

FIG. 7 is a schematic view of the capture latch of the hoist of FIG. 1;

fig. 8 is a process flow chart of the workpiece hoisting device of the utility model.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 shows some preferred embodiments of the lifting device of the present invention. The hoisting device can be suitable for a deepwater operation environment, of course, the hoisting device can also be suitable for land, the hoisting device can hoist a plurality of layers of workpieces simultaneously or lower the plurality of layers of workpieces layer by layer, and particularly, in some embodiments, the workpieces can be cement briquettes. The hoisting device can be used for efficiently installing cement briquettes, namely, multiple layers of cement briquettes can be hoisted at each time and can be installed layer by layer under water. In some embodiments, the lifting device can be operated by external equipment, such as an ROV underwater robot, manual operation is not needed, the lifting device is simple and convenient to operate, the construction efficiency can be improved, the cost is saved, the external equipment is convenient to operate, the emergency situation can be better dealt with, and the risk is reduced.

As shown in fig. 1 to 4, further, in some embodiments, the hoist may include a main body frame 10, a driving shaft 20, a driving assembly 30, and a connecting assembly 40. The main body frame 10 can be used for mounting the transmission shaft 20, the driving assembly 30 and the connecting assembly 40, and can function as a workpiece support. The transmission shaft 20 may be disposed on the main body frame 10 and may be disposed to move relative to the main body frame 10. The driving component 30 can be connected to the transmission shaft 20 and can be used to drive the transmission shaft 20 to move. The connecting assembly 40 may be disposed on the transmission shaft 20 and the main body frame 10, and may be used to connect a plurality of straps disposed corresponding to a plurality of layers of workpieces.

Further, as shown in fig. 5, in some embodiments, the size of the main frame 10 is matched with the size of the lifted cement briquette, and the material specification and model are determined according to the weight of the lifted cement briquette, the load of working conditions such as lifting and lowering. The main body frame 10 can bear most of external loads when hanging and installing cement briquettes and the like, and in some embodiments, various auxiliary structures with different functions can be installed on the main body frame 10.

The main body frame 10 may include a frame body 11 and two support bars 12 disposed at opposite sides of the frame body 11. The frame body 11 may include a plurality of first support beams 111 arranged side by side and at intervals, and a second support beam 112 connected to the plurality of first support beams 111. The plurality of first supporting beams 111 may be arranged side by side and at intervals along the length direction of the supporting rod 12, and both ends of the plurality of first supporting beams 111 may be respectively connected to the two supporting rods 12, and in some embodiments, both ends of the plurality of first supporting beams 111 may be welded and fixed to the supporting rod 12. In some embodiments, the first support beam 111 may be an i-beam. Of course, it is understood that in other embodiments, the first support beam 111 may not be limited to an i-beam. The second support beam 112 may be disposed parallel to the support rods 12, may be disposed at the middle of the first support beams 111, and may be fixed to each of the first support beams 111 by welding. Of course, it is understood that in other embodiments, the second support beam 112 may not be limited to being located in the middle of the first support beam 111, but may be located at both ends of the first support beam 111. In some embodiments, the second support beam 112 may be an i-beam. It is understood that in other embodiments, the second support beam 112 may not be limited to an i-beam. In some embodiments, the hoist may further include handles 1111, the handles 1111 may be disposed on the main body frame 10 at two opposite sides of the main body frame 10, two handles 1111 may be disposed at each side of the main body frame 10, and in particular, may be disposed on the outermost first support beam 111 for being held by external equipment, and in some embodiments, the handles 1111 may be used for being held by an ROV for the ROV to assist the positioning of the hoist, thereby facilitating the ROV to operate the hoist underwater. In some embodiments, the hanging device can also include a positioning structure 1112; the positioning structure 1112 can be a beacon, and the positioning structure 1112 can be disposed on the main body frame 10 for lowering and positioning the main body frame 10. Specifically, in some embodiments, the beacon may be located on the first support beam 111 of the main body frame 10, and located at two opposite corners of the main body frame 10, each corner may be one for two, and the beacon may be used for positioning the underwater target site of the hoisting device. In some embodiments, the support rod 12 may be a round tube, and in particular, in some embodiments, the support rod 12 may be a steel tube. Of course, it will be appreciated that in other embodiments, the support pole 12 may not be limited to a steel tube.

Further, in some embodiments, a limiting structure 13 may be disposed on the main body frame 10, and the limiting structure 13 may be disposed on the second supporting beam 112 and may be used for limiting the position of the transmission shaft 20. In some embodiments, the position-limiting structure 13 may be a position-limiting door, the cross-sectional shape of which is adapted to the cross-sectional shape of the transmission shaft 20. In some embodiments, the check door may be a rectangular parallelepiped frame shape. Of course, it is understood that in other embodiments, the check door may not be limited to a rectangular parallelepiped frame shape. In other embodiments, the retaining gate may be arch-shaped. The number of the limiting doors may be multiple, and the limiting doors may be disposed on the second supporting beam 112 at intervals along the length direction of the second supporting beam 112, that is, disposed at intervals along the axial direction of the transmission shaft 20 and sleeved on the transmission shaft 20, so as to limit the transmission shaft 20 from deviating towards the supporting rod 12, that is, the transmission shaft 20 is packaged without deviating from the left and right sides during the transmission process.

Further, as shown in fig. 6, in some embodiments, the transmission shaft 20 is reciprocally mounted on the second support beam 112, and the length direction thereof may be identical to the length direction of the second support beam 112. In some embodiments, the length of the transmission shaft 20 can be greater than the length of the second support beam 112, but it is understood that the length of the transmission shaft 20 can be equal to the length of the second support beam 112 or less than the length of the second support beam 112 in other embodiments. The transmission shaft 20 may be a square pipe, and has a hollow structure with two ends penetrating. Of course, it is understood that in other embodiments, the transmission shaft 20 may not be limited to a square tube, but may also be a circular tube. The transmission shaft 20 may be a steel pipe, but it is understood that in other embodiments, the transmission shaft 20 may not be limited to be a steel pipe, and may also be made of other materials. The drive shaft 20 may be provided with a connecting lug 21 near the end, and the connecting lug 21 may be used for connecting with the driving assembly 30, and specifically, in some embodiments, the connecting lug 21 may be hinged with the driving assembly 30.

Further, as shown in fig. 1 to 4, in some embodiments, the driving assembly 30 may be disposed at one end of the transmission shaft 20, and is used for the transmission shaft 20 and the main body frame 10 to be hinged. In some embodiments, the drive assembly 30 may include an operating handle 31, and a connecting arm 32. The operating handle 31 may be disposed at one end of the transmission shaft 20, hinged to the transmission shaft 20 and the main body frame 10, and may be used for an external device or an operator to operate. In some embodiments, the operating handle 31 may be used for operation of an ROV underwater machine. The connecting arm 32 can be connected to the operating handle 31, and the connecting arm 32 can be hinged to the transmission shaft 20 and the main body frame 10, so as to hinge the operating handle 31 to the connecting arm 32 and the transmission shaft 20. In some embodiments, the connecting arm 32 can be rotatably connected to the connecting lug 21 of the transmission shaft 20 by providing a first hinge shaft 33. In some embodiments, the connecting arm 32 may be rotatably connected to the ear plate 1122 at one end of the second support beam 112 of the main body frame 10 by providing the second hinge shaft 34. During the use, the ROV can be under water to the direction pulling operating handle 31 of keeping away from main body frame 10, and then can drive this transmission shaft 20 to the direction that is equipped with this operating handle 31 and slide, and the ROV can be under water to the direction pulling operating handle 31 of being close to main body frame 10, and then can drive this transmission shaft 20 to the direction of keeping away from this operating handle 31 and slide.

Further, in some embodiments, the connecting assemblies 40 may be provided in multiple sets, and the multiple sets of connecting assemblies 40 may be spaced apart along the axial direction of the drive shaft 20. Specifically, in some embodiments, the number of the connecting members 40 may be 9. Of course, it is understood that in other embodiments, the connecting members 40 may not be limited to a plurality of sets, and in other embodiments, the connecting members 40 may also be a set. In some embodiments, each set of connection assemblies 40 may include a connection mount 41 and a mounting plate 42. In some embodiments, the connecting seat 41 may be disposed on the main body frame 10, and specifically, the connecting seat 41 may be disposed on the second support beam 112 and may be welded to the second support beam 112. Of course, it is understood that in other embodiments, the connection seat 41 may not be limited to be disposed on the main body frame 10, and in other embodiments, the connection seat 41 may be disposed on the transmission shaft 20. In some embodiments, the connecting seats 41 of the connecting assemblies 40 may be disposed on the main frame 10 at intervals along the axial direction of the transmission shaft 20 and may be sleeved on the periphery of the transmission shaft 20. In some embodiments, the mounting plate 42 and the connecting seat 41 are disposed to move relatively in the axial direction of the driving shaft 20. In some embodiments, the mounting plate 42 can be sleeved on the transmission shaft 20 and driven by the transmission shaft 20 to move relative to the connecting base 41. Of course, it is understood that, in other embodiments, the mounting plate 42 may not be limited to be disposed on the transmission shaft 20, may be disposed on the second support beam 112 of the main body frame 10, and may be sleeved on the periphery of the transmission shaft 20. In some embodiments, the mounting plates 42 of the multiple sets of connecting elements 40 may be disposed at intervals along the axial direction of the transmission shaft 20, and may be sleeved on the periphery of the transmission shaft 20, and may be driven by the transmission shaft 20 to move relative to the corresponding connecting seats 41.

Further, in some embodiments, the connecting seat 41 may have a concave shape, and in some embodiments, the connecting seat 41 may be formed by splicing two opposite and spaced concave plates. At least one set of through holes 411 may be formed on the connecting socket 41, that is, at least one set of through holes 411 may be formed on each concave plate. Specifically, in some embodiments, the through holes 411 may be two sets, and the two sets of through holes may be respectively located on two opposite protrusions of the connecting seat 41, and may be located corresponding to two opposite sides of the transmission shaft 20. In some embodiments, each set of through holes 411 may include multiple layers of through holes 411, and the multiple layers of through holes 411 may be located on one side of the driving shaft 20 and spaced apart in a direction perpendicular to the movement direction of the driving shaft 20. In some embodiments, there may be three through holes 411 in each set, and the three through holes 411 may be spaced apart in a direction perpendicular to the second support beam 112.

Further, in some embodiments, the mounting plate 42 may be substantially square, may be sleeved on the transmission shaft 20, and may be welded and fixed with the transmission shaft 20. Of course, it is understood that in other embodiments, the mounting plate 42 may not be limited to being welded to the drive shaft 20. In some embodiments, at least one set of pins 421 may be disposed on the mounting plate 42, and in particular, in some embodiments, two sets of pins 421 may be disposed on the mounting plate 42, the two sets of pins 421 may be disposed on two opposite sides of the driving shaft 20, and the two sets of pins 421 may be disposed corresponding to the two sets of through holes 411. In some embodiments, each set of pins 421 may include multiple layers of pins 421, and the multiple layers of pins 421 may have different lengths and may be used to connect to multiple straps correspondingly disposed on multiple layers of workpieces. In some embodiments, the latch 421 can be disposed through the mounting plate 42 in a direction in which the through hole 411 is disposed. In some embodiments, the number of the latches 421 may be three, and the latches may be disposed in one-to-one correspondence with the through holes 411. In some embodiments, the multi-layer pins 421 may be disposed on one side of the transmission shaft 20 and may be spaced apart along a direction perpendicular to the movement direction of the transmission shaft 20 and may be arranged in a stepped manner. In some embodiments, each set of pins 421 may be arranged in three layers, i.e., from top to bottom, and may be marked with different extensions, for example, green, blue, and yellow pigments may be sequentially marked, and the marked extensions may correspond to the colors of the multiple layers of straps connected to the multiple layers of workpieces, i.e., the straps of the green, blue, and yellow cement compacts correspond to one another. Of course, it is understood that in other embodiments, each set of pins 421 is not limited to include three layers of pins, and may be two layers or more than three layers. The three layers of pins 421 may be arranged from top to bottom or from left to right.

In some embodiments, the driving assembly 30 is controlled to drive the transmission shaft 20 and the main body frame 10 to move relatively, when the transmission shaft 20 and the main body frame 10 move relatively, the transmission shaft 20 can drive the multi-layer bolts 421 to be sequentially inserted into the corresponding through holes on the connecting seat 41, and the transmission shaft 20 and the main body frame 10 are locked by the locking assemblies 61, so that multi-layer workpieces can be lifted; when the locking assemblies 61 are sequentially unlocked and the transmission shaft 20 and the main frame 10 move relatively, the transmission shaft 20 can drive the multi-layer bolts 421 to sequentially disengage from the through holes 411 correspondingly formed on the connecting seat 41, so as to sequentially release and mount the multi-layer workpieces. Specifically, the operating handle 31 can be pulled by the ROV in a direction away from the main body frame 10, so as to drive the transmission shaft 20 to slide in a direction in which the operating handle 31 is disposed, and further drive the latch 421 to disengage from the corresponding through hole 411. The operating handle 31 is pulled by the ROV toward the direction close to the main body frame 10, so as to drive the transmission shaft 20 to slide toward the direction away from the operating handle 31, and further drive the plug 421 to be inserted into the corresponding through hole 411.

Further, in some embodiments, the hanging device may further include a guide structure 50, and the guide structure 50 may be disposed on the main body frame 10 and may be used to guide the installation of the hanging strip. In some embodiments, the guiding structure 50 may be disposed on the supporting rod 12, may be disposed opposite to the connecting members 40, and may be disposed in one-to-one correspondence with the connecting members 40. In some embodiments, the guiding structure 50 may include a plurality of guiding holes 51, and in some embodiments, the guiding structure 50 may have a shape of arch, and the inner side thereof may be divided into a plurality of guiding holes 51 by arranging ribs. The plurality of guiding holes 51 may be disposed in one-to-one correspondence with the plurality of layers of latches 421, that is, the guiding holes 51 may be disposed in one-to-one correspondence with each layer of workpieces. In some embodiments, the walls of the guide hole 51 may be coated with a color corresponding to the color of the correspondingly disposed strap and the correspondingly disposed latch 421. In some embodiments, the guide holes 51 may be three, and the three guide holes may be sequentially coated with green, blue, and yellow pigments. When in use, the eye at one end of the hanging strip can be inserted into the bolt 421 marked with the corresponding color, and then the eye at the other end of the hanging strip is connected with the connecting structure 70 arranged on the supporting rod 12 through the guiding hole 51 with the corresponding color and the eye of the hanging strip on the workpiece.

Further, as shown in fig. 7, in some embodiments, the hanging device may further include a capture structure 60; the locking structure 60 can be used to lock the transmission shaft 20 and the main body frame 10, and further lock each layer of sling, so as to hoist multiple layers of cement briquettes simultaneously, and release and install the cement briquettes layer by layer under water by sequentially unlocking each layer of sling. In some embodiments, the capture structure 60 can include a plurality of capture elements 61, and the plurality of capture elements 61 can be disposed corresponding to the plurality of layers of pins 421, and thus can be disposed corresponding to the plurality of layers of straps. In some embodiments, the plurality of capture assemblies 61 may be spaced apart along the axial direction of the drive shaft 20. Specifically, in some embodiments, the number of the locking assemblies 61 may be three, and the three locking assemblies 61 may be spaced along the axial direction of the transmission shaft 20, and may limit the transmission shaft to slide freely back and forth, so as to fix the transmission shaft.

Further, in some embodiments, each of the locking elements 61 may include a locking hole 612 and a locking pin 611. The locking hole 612 may be disposed on a sidewall of the transmission shaft 20, and specifically, the locking hole 612 may be correspondingly disposed on a sidewall opposite to the supporting rod 12. In some embodiments, the locking hole 612 may be a circular through hole. The locking pin 611 is connected to the main body frame 10 and is detachably disposed with the locking hole 612, and is adapted to be detachably inserted into the locking hole 612 to cooperate with the locking hole 612. Further, in some embodiments, the supporting rod 12 may be disposed on a connecting protrusion 121 corresponding to the locking bolt 611, the connecting protrusion 121 is disposed with a through hole, a pull cable 6114 with a monkey fist is attached to a handle side of the locking bolt 611, the pull cable 6114 is connected to the connecting protrusion 121, one end of the pull cable 6114 may be connected to the supporting rod 12, the other end may penetrate through the through hole and be connected to the through hole, and when the locking bolt 611 is unlocked, the pull cable 6114 may be pulled by an ROV outside. The second support beam 112 can be provided with a connecting ring 1121, the middle part of the locking bolt 611 can be provided with a cap plate 6111 and a small hook 6112 connected with the cap plate 6111, and the small hook 6112 can be connected with the connecting ring 1121 through a cable 6115, so that the locking bolt 611 can be restrained at two sides when being pulled out from the transmission shaft 20 and hung in a designated area, and further the recovery of the locking bolt 611 is realized. In some embodiments, a through hole 6113 may be disposed at an end of the capture bolt 611 away from the handle, and the through hole 6113 may be used for inserting a cotter pin when the capture bolt 611 passes through the locking hole 612, so as to lock the capture bolt 611 with the locking hole 612. In some embodiments, the capture latches 611 and cables of the three sets of capture assemblies 61 may be colored with a color corresponding to the color of the three layers of straps, i.e., green, blue, and yellow, in sequence from back to front. Before hoisting, the three locking bolts 611 can be inserted into the correspondingly arranged locking holes 612, and then the whole device can be in a locking state. When the workpiece is lowered, the three locking bolts 611 can be sequentially released from the locking holes 612, so that a first unlocking state, a second unlocking state and a third unlocking state are formed. When the workpiece is in the first unlocking state, the workpiece positioned at the bottom layer can be placed downwards, and when the workpiece is in the second unlocking state, the workpiece positioned at the middle layer can be placed downwards; when in the third unlocked state, the workpiece on the upper layer can be placed downwards.

In some embodiments, the hanging device can also include a connection structure 70. The connecting structure 70 can be disposed on the main body frame 10 and can be used for connecting with the free end of the hanging strip. In some embodiments, the connecting structures 70 may be disposed on the supporting rods 12 on the bottom surface of the supporting rods 12, a plurality of connecting structures 70 may be disposed on each supporting rod 12, and the plurality of connecting structures 70 may be disposed in one-to-one correspondence with the plurality of connecting components 40, and in particular, in one-to-one correspondence with the connecting bases 41. In some embodiments, the connecting structure 70 may be a shackle, which may be a wide body sling type shackle. In some embodiments, the supporting rod 12 is provided with a plurality of mounting protrusions 122 corresponding to the connecting structures 70 for mounting the connecting structures 70, and the mounting protrusions 122 may be provided in a one-to-one manner with the connecting structures 70. Before hoisting, the bolts 421 with corresponding colors can be sleeved with the eyelets at one ends of the green, blue and yellow cement pressing block slings, and then the eyelets at the other ends of the cement pressing block slings penetrate through the corresponding guide holes 51 and then penetrate into the shackle to be connected with the shackle.

Further, the lifting device may further include a lifting structure 123, and the lifting structure 123 may be disposed on the main body frame 10 and may be used for lifting the whole lifting device. In some embodiments, the hanging structure 123 may be a lifting lug that can be disposed on the support pole 12.

As shown in fig. 1 to 4 and 8, the workpiece is lifted by the lifting device of the present invention, which specifically comprises the following steps:

s1, placing the eye at one end of the hanging strip connected with the workpiece at the through hole 411 at the lower layer of the connecting seat 41, driving the transmission shaft 20 of the hanging device to move along the first direction through the driving assembly 30 of the hanging device, so that the bolt 421 at the lower layer on the mounting plate 42 of the hanging device penetrates through the eye at one end of the hanging strip and is inserted into the through hole 411 of the connecting seat 41 of the hanging device, and the other bolt 421 at the upper layer and arranged adjacent to the bolt 421 is inserted into the through hole 411 correspondingly to stop driving the transmission shaft 20 to move, and the other end of the hanging strip penetrates through the lifting eye of the workpiece and is detachably connected to the main body frame 10 of the hanging device.

Specifically, before the step S1 is performed, the shackle may be mounted on the mounting protrusion 122 of the lower portion of the support pole 12; the number of the lifting lugs on each supporting rod 12 can be two, and the number of the shackles on each supporting rod 12 can be 9.

The three capture latches 611 are all pulled out and the operating handle 31 of the driving assembly 30 is pulled (so that the latches 421 are all disengaged from the through holes 411), and the whole device is set to the unlocking state.

Further, the eyelet of one end of the yellow cement sling is placed at the through hole 411 of the lower layer of the connecting seat 41, by pushing the operating handle 31 in the first direction, i.e. the direction close to the main body frame 10, the yellow bolt 421 of the lowest layer passes through the through hole 411 of the concave plate at one side of the connecting seat 41, then passes through the eyelet of one end of the sling and is inserted into the through hole 411 of the concave plate at the other side of the connecting seat 41, the operating handle 31 is pushed continuously, the blue bolt 421 of the middle layer is about to enter between the grooves formed by the two concave plates of the connecting seat 41, the pushing of the operating handle 31 is stopped, the eyelet of the other end of the yellow sling passes through the guide hole 51 of the corresponding color of the guide structure 50, then passes through the eyelet on the workpiece, and is connected with the shackle correspondingly arranged on the support rod 12.

And S2, repeating the step S1 along the arrangement direction of the multilayer plugs 421 to sequentially connect the multilayer workpieces to the hanging device.

Specifically, the eyelet at one end of the blue cement sling is placed at the through hole 411 at the middle layer of the connecting seat 41, the operating handle 31 is pushed in a first direction, namely the direction close to the main body frame 10, so that the blue bolt 421 at the middle layer passes through the through hole 411 of the concave plate at one side of the connecting seat 41, then passes through the eyelet at one end of the sling and is inserted into the through hole 411 of the concave plate at the other side of the connecting seat 41, the operating handle 31 is pushed continuously, the green bolt 421 at the uppermost layer is about to enter between the grooves formed by the two concave plates of the connecting seat 41, the operating handle 31 is stopped being pushed, the eyelet at the other end of the blue sling passes through the guide hole 51 of the corresponding color of the guide structure 50, then passes through the eyelet on the workpiece, and is connected with the shackle arranged corresponding to the support rod 12.

The eyelet of one end of the green cement sling is placed at the through hole 411 of the uppermost layer of the connecting seat 41, the operating handle 31 is pushed in the first direction, namely the direction close to the main body frame 10, so that the green bolt 421 of the uppermost layer passes through the through hole 411 of the concave plate at one side of the connecting seat 41, then passes through the eyelet of one end of the sling and is inserted into the through hole 411 of the concave plate at the other side of the connecting seat 41, and the eyelet of the other end of the green sling passes through the guide hole 51 of the corresponding color of the guide structure 50 and then passes through the eyelet on the workpiece and is connected with the shackle correspondingly arranged on the support rod 12.

And S3, locking the transmission shaft 20, and connecting the whole hanging device with a plurality of layers of workpieces to hang and set positions. Specifically, all three capture bolts 611 are inserted into corresponding holes on the transmission shaft 20, and a cotter pin is inserted into a through hole 6113 at the end of the capture bolt 611, so that the whole device is in a locked state. And connecting a rigging at the lifting lug 123, connecting the rigging with a lifting hook of a ship crane, placing the crane in place, preparing to lift, lifting the whole lifting device and the three layers of cement briquettes to a set height through the crane, separating the cement briquettes at the lowest layer from a ship deck, and preparing to put water in.

And (3) putting into water, after reaching a certain water depth, positioning by a beacon, and enabling the ROV to reach a target position through the auxiliary device of the handle 1111 on the main body frame structure. At this point, the cement briquettes have contacted the seabed.

And S4, driving the transmission shaft 20 of the lifting device to move along the second direction through the driving assembly 30 of the lifting device, so that the bolt 421 on the upper layer on the mounting plate 42 of the lifting device is separated from the through hole 411 of the connecting seat 41 and the eye at one end of the hanging strip, and the workpiece is lowered to a specified position. Before releasing the workpieces of each layer separately, the pulling cable 6114 may be pulled at the outer side of the main body frame 10 to pull the capture bolt 611 out of the transmission shaft 20, so as to unlock the workpieces of each layer.

Specifically, the cotter pin of the rearmost green-locking latch 611 is pulled out by the ROV, then the pull cable 6114 at one end of the green-locking latch 611 is pulled, and the operating handle 31 is pulled in the second direction, that is, the operating handle 31 is pulled in the direction away from the main body frame 10, when the cap plate 6111 of the blue-locking latch 611 contacts the door stopper, the driving shaft stops moving, the green strap is separated from the uppermost green latch 421 and the connecting seat 41, and then the cement briquette is lowered to a designated position.

And S5, repeating the step S1 along the arrangement direction of the multilayer plugs 421, and sequentially lowering the multilayer workpieces to the designated positions.

Specifically, the cotter pin of the blue-lock latch 611 located in the middle is pulled out by the ROV, then the pull cable 6114 at one end of the blue-lock latch 611 is pulled, and the operating handle 31 is pulled in the second direction, that is, the operating handle 31 is pulled in the direction away from the main body frame 10, when the cap plate 6111 of the yellow-lock latch 611 contacts the door stopper, the driving shaft stops moving, the blue sling is disengaged from the blue-lock latch 421 and the connecting seat 41 of the middle layer, and then the cement pressing block is lowered to a designated position.

Then, the ROV can pull out the cotter pin of the yellow locking bolt 611 located at the foremost end, pull the pull cable 6114 at one end of the yellow locking bolt 611, and pull the operating handle 31 in the second direction, i.e. in the direction away from the main body frame 10, so that when the mounting plate 42 and the yellow bolt 421 are disengaged from the connecting seat 41, the yellow strap is disengaged from the yellow bolt 421 and the connecting seat 41. And then the cement briquettes are lowered to the designated position.

And finally, lifting the crane and recovering the hoisting device. And then the steps are carried out to carry out the next round of three-layer cement briquette installation operation.

Adopt the utility model discloses hang and put device and hang and put the method and carry out the installation of multilayer cement briquetting, have following beneficial effect:

1) and the cement pressing blocks are simultaneously placed at each time, so that the construction efficiency is improved, the project progress is accelerated, the deeper the operation water depth is, the more the cement pressing blocks are installed, and the more the effect is obvious.

2) The installation quantity of the same cement briquettes is reduced, the use times of the ship crane are reduced, the use times of the ship auxiliary equipment are reduced, the operation time of operators is reduced, a large amount of cost is saved, and resource waste is avoided.

3) The ROV is convenient to operate underwater, few in command action and high in reliability.

4) When the two ROVs are matched, the cement pressing block is high in installation precision, quick in location and accurate in positioning.

5) The method and the device are flexible to apply, the hoisting scheme can be adjusted according to actual requirements, emergency situations can be better dealt with, and risks are reduced. Each layer of cement pressing block can be placed below the same region layer by each time according to project requirements, each layer of cement pressing block can also be placed below different regions, and then each layer of cement pressing block is respectively arranged in different regions, the number of layers of the pressing block is adjusted according to project conditions and offshore conditions, and two devices can be assembled together, and double layers of the pressing block are arranged. The device can be modified to hang two layers, four layers, five layers and the like at the same time according to the actual situation. Meanwhile, land can also be used for transferring briquetting operation, and the transfer efficiency is improved.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. A lifting device is characterized by comprising a main body frame (10), a transmission shaft (20) which moves relative to the main body frame (10) and is arranged on the main body frame (10), a driving assembly (30) which is connected with the transmission shaft (20) to drive the transmission shaft (20) to move, a connecting assembly (40) which is arranged on the transmission shaft (20) and the main body frame (10) and is used for connecting a plurality of hanging strips which are arranged corresponding to a plurality of layers of workpieces, and a locking structure (60) which locks the transmission shaft (20) and the main body frame (10);

the locking structure (60) comprises a plurality of locking assemblies (61) which are arranged at intervals along the axial direction of the transmission shaft (20);

the connecting assembly (40) comprises a connecting seat (41) and a mounting plate (42) which moves relative to the connecting seat (41) in the axial direction of the transmission shaft (20);

at least one group of through holes (411) are formed in the connecting seat (41); each set of said vias (411) comprises a plurality of layers of vias (411); the through holes (411) are positioned on one side of the transmission shaft (20) and are arranged at intervals along the direction perpendicular to the movement direction of the transmission shaft (20);

at least one group of bolts (421) are arranged on the mounting plate (42); each group of the bolts (421) comprises a plurality of layers of bolts (421) which have different lengths and are used for being connected with a plurality of hanging strips arranged corresponding to the plurality of layers of workpieces; multilayer bolt (421) set up in one side of transmission shaft (20), and follow the perpendicular to the direction interval setting of transmission shaft (20) motion to be cascaded arrangement, correspond the setting with a plurality of lock position subassembly (61), in order transmission shaft (20) with when relative motion is done to main body frame (10) insert in proper order correspond the setting on connecting seat (41) through-hole (411) and then handling multilayer work piece, perhaps a plurality of lock position subassembly (61) unblock in proper order just transmission shaft (20) with when relative motion is done to main body frame (10) follow in proper order correspond the setting on connecting seat (41) through-hole (411) are deviate from and then release the installation in proper order with multilayer work piece.

2. A hoisting device as claimed in claim 1, characterized in that the connecting assemblies (40) are in groups; a plurality of groups of the connecting assemblies (40) are arranged at intervals along the axial direction of the transmission shaft (20);

a plurality of connecting seats (41) of the plurality of groups of connecting components (40) are arranged on the main body frame (10) at intervals along the axial direction of the transmission shaft (20) and are sleeved on the periphery of the transmission shaft (20);

the multiple mounting plates (42) of the multiple groups of connecting assemblies (40) are arranged along the axial direction of the transmission shaft (20) at intervals and sleeved on the periphery of the transmission shaft (20), and the transmission shaft (20) drives the connecting seats (41) which are correspondingly arranged to move relatively.

3. A lifting device according to claim 1, characterized in that the main frame (10) is provided with a guide structure (50) for guiding the sling mounting;

the guide structure (50) is arranged corresponding to the connecting component (40).

4. A lifting device according to claim 3, characterized in that said guiding structure (50) comprises a plurality of guiding holes (51) arranged in correspondence of said plurality of layers of pins (421).

5. A hoist arrangement according to claim 1, characterized in that each capture assembly (61) comprises a lock hole (612) and a capture latch (611); the lock hole (612) is arranged on the side wall of the transmission shaft (20);

the locking bolt (611) is connected with the main body frame (10) and is detachably inserted into the lock hole (612) to be matched with the lock hole (612).

6. A hoisting device as claimed in claim 5, characterized in that the main frame (10) comprises a frame body (11) and two support bars (12) arranged on opposite sides of the frame body (11);

the support rod (12) is provided with a connecting convex part (121); the connecting convex part (121) is connected with the locking bolt (611) through a drawing cable (6114);

the frame main body (11) is provided with a connecting ring (1121); a small hook (6112) is arranged in the middle of the locking bolt (611); the small hook (6112) is connected with the locking bolt (611) through a cable (6115).

7. The hoisting device of claim 1, wherein the main frame (10) is provided with a limiting structure (13) for limiting the transmission shaft (20);

the limiting structure (13) comprises a plurality of limiting doors which are arranged along the axial direction of the transmission shaft (20) at intervals and sleeved on the transmission shaft (20).

8. A hoist arrangement according to claim 1, characterized in that the drive assembly (30) includes an operating handle (31) provided at one end of the drive shaft (20) and hinged to the drive shaft (20) and the main frame (10) for operation by an external device or an operator.

9. A hoisting device as claimed in claim 1, further comprising a hoisting structure (123) arranged on the main frame (10) for hoisting;

and/or the multifunctional electric tool also comprises a handle (1111) which is arranged on the main body frame (10) and is used for external equipment to hold;

and/or a connecting structure (70) arranged on the main body frame (10) and connected with the free end of the hanging strip.

10. A lifting device according to claim 1, further comprising a positioning structure (1112) arranged on the main body frame (10) for lowering and positioning the main body frame (10).

Images