CN110745210B - Hydraulic synchronous jacking device for hatch covers of large container ships and application method thereof - Google Patents
Hydraulic synchronous jacking device for hatch covers of large container ships and application method thereof Download PDFInfo
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- CN110745210B CN110745210B CN201910858162.1A CN201910858162A CN110745210B CN 110745210 B CN110745210 B CN 110745210B CN 201910858162 A CN201910858162 A CN 201910858162A CN 110745210 B CN110745210 B CN 110745210B
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- hydraulic
- hatch cover
- hydraulic jack
- bolt
- box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
- B63B19/12—Hatches; Hatchways
- B63B19/14—Hatch covers
Abstract
The invention relates to a hydraulic synchronous jacking device for a hatch cover of a large container ship and a using method thereof, and the hydraulic synchronous jacking device structurally comprises box legs, wherein rectangular openings are formed in the box legs, the box legs are fixedly arranged on a hatch cover, the hydraulic synchronous jacking device also comprises a hydraulic control device, a hydraulic oil pump, hydraulic jacks and L-shaped supports, the hydraulic control device is connected with the hydraulic oil pump through a high-pressure oil pipe, the L-shaped supports are arranged on the box legs through locking bolts, one ends of the L-shaped supports extend to the periphery of the hatch cover from the hatch cover, the hydraulic jacks are arranged below the L-shaped supports, at least four hydraulic jacks are arranged, and the hydraulic jacks are uniformly distributed around the hatch cover; when the device is used, the device is well installed, stepped jacking is carried out, and the hatch cover is gradually lifted. The synchronous jacking device can realize the synchronous jacking of the hatch cover, can reduce the use of hoisting, and is simple and convenient and high in efficiency.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a hydraulic synchronous jacking device for a hatch cover of a large container ship and a using method thereof.
Background
In the construction process of ships, the construction period of hatches of large container ships is long, each hatch cover needs to be repeatedly hung and unloaded for at least 4 times in the construction process, a single cargo hold of a single ship generally comprises four hatch covers, the whole ship has more than 20 cargo holds, the calculation is performed, the hatch cover of the single ship needs to be hung and unloaded for more than 320 times, the practical frequency of a crane is high, personnel cooperation is needed for hanging and unloading every time, and the manpower consumption is high.
Present hatch board jacking device often is at hatch board bottom installation jacking device, when needs jack up the hatch board, often need to hoist the hatch board with the crane earlier, place the hatch board on the jacking device again, then jack up the hatch board, at the shipbuilding scene, the hoist and mount resource is comparatively nervous, and hoist and mount hatch board to jacking device upper end just can lead to the jacking device to empty carelessly a little, the operation accident takes place, and after jacking device installation was accomplished the jacking, the jacking device is difficult for taking out, just can cause the resource to occupy to the jacking device, the utilization ratio to the resource is lower.
Current special utility model patent as application number 201420640104.4, a jacking device of hatch board is disclosed, place the base on final assembly bed-jig including one, the panel central point at base top puts and opens there is the round hole, match mounting nut in the round hole, an adjusting bolt matches and twists on the nut, it is porose to bore on adjusting bolt's well upper portion, an adjusting rod matches and wears the hole, rotatory this adjusting rod makes adjusting bolt activity from top to bottom, install the slab on the adjusting bolt, the hatch board is arranged in on this slab, place jacking device during the use and adjust same height on final assembly bed-jig, again with hatch board handling to jacking device on, utilize the height of every jacking assembly of adjusting rod adjustment according to actual conditions again, finally reach whole level.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a device which is portable and can reduce the hanging and unloading times of a hatch cover, and the technical purpose of the invention is realized by the following technical scheme:
the utility model provides a synchronous jacking device of large-scale container ship hatch board hydraulic pressure, including the case foot, be equipped with the rectangle opening on the case foot, case foot fixed mounting is on the hatch board, its structure still includes hydraulic control device, the hydraulic oil pump, hydraulic jack, L type support, hydraulic control device passes through high pressure fuel pipe and connects the hydraulic oil pump, L type support passes through locking bolt and installs on the case foot, L type support one end extends to the hatch board periphery from the hatch board, hydraulic jack installs in L type support below, hydraulic jack has four at least, hydraulic jack evenly distributed is around the hatch board.
Furthermore, the structure of the hydraulic support further comprises a hydraulic jack hanging bracket, the hydraulic jack hanging bracket is installed at the lower end of the L-shaped support, and the hydraulic jack is installed on the hydraulic jack hanging bracket.
Further, hydraulic control device includes controller, oil pump control box, through cable electric connection between controller and the oil pump control box, and hydraulic oil pump all passes through cable and oil pump control box electric connection. The controller controls the oil pump control box to operate, and the oil pump control box is connected with the plurality of hydraulic oil pumps simultaneously, so that the synchronous starting operation of the hydraulic jack can be realized.
Furthermore, the hydraulic jack hanger comprises a bottom plate and first lug plates, the first lug plates are vertically fixed at two ends of the bottom plate, a threaded hole for mounting the hydraulic jack is formed in the center of the bottom plate, and a fixing bolt is arranged on each first lug plate.
Furthermore, the locking bolt comprises a screw rod, one end of the screw rod is fixedly provided with a stop block, the other end of the screw rod is also provided with a second lug plate, the second lug plate is provided with a round hole, the second lug plate is also provided with a bolt with a chain, and the bolt with the chain is inserted into the round hole in the second lug plate so as to facilitate the rotation of the stop block in the direction of the box leg; the section of the stop block perpendicular to the screw rod direction is rectangular, the width of the rectangle is not more than the width of the rectangular opening on the box leg, and the maximum length of the rectangle is not more than the length of the rectangular opening on the box leg; the screw rod is also provided with a nut.
Furthermore, a screw rod of the locking bolt penetrates through the L-shaped support, the stop block is clamped in the box leg, the L-shaped support is located between the nut and the stop block, and the L-shaped support is fixed on the box leg through tightening the nut.
Furthermore, the first ear plates are respectively arranged on two sides of the L-shaped support, and the hydraulic jack hanger is installed at the bottom of the L-shaped support through a fixing bolt.
Further, bottom plate one side of hydraulic jack gallows still is equipped with a stud, and threaded hole at bottom plate center is equipped with stud, and stud's upper end spiro union is in the screwed hole, and stud one end supports stud, and a stud can carry on spacingly to stud, avoids in the use stud from the screw hole in the spin, in case stud revolves along the screw hole, causes the extrusion to L type support very easily.
Furthermore, the upper end of the hydraulic jack is screwed at the lower end of the stud bolt, and the upper end of the hydraulic jack is attached to the lower end of the bottom plate. Hydraulic jack spiro union is at hydraulic jack gallows lower extreme, and hydraulic jack upper end withstands hydraulic jack gallows simultaneously, can prevent that the in-process hydraulic jack that the hatch board lifted is askew to fall, can also reduce the extrusion to L type support simultaneously, prevents that L type support from warping.
A use method of a hydraulic synchronous jacking device for a large container ship hatch cover comprises the following steps:
s1, mounting the hydraulic jack hanger at the bottom of the L-shaped support, mounting the L-shaped support on the box leg by using a locking bolt, during mounting, firstly enabling a screw rod of the locking bolt to penetrate through the L-shaped support, then inserting a stop block at the lower end of the screw rod of the locking bolt into a rectangular opening of the box leg, inserting a bolt with a chain into a round hole in the second lug plate, rotating the locking bolt by 90 degrees by using the bolt with the chain, then screwing a nut at the upper end of the screw rod, and mounting the L-shaped support on the box leg;
s2, placing the hydraulic control device and the hydraulic oil pump on the hatch cover and connecting, then installing the hydraulic jack at the lower end of the threaded hole of the jack hanger, and screwing the upper end of the hydraulic jack with the stud bolt;
s3, starting a hydraulic control device, extending a hydraulic jack to lift the hatch cover for the first time, then placing a temporary support for the hatch cover at the lower end of the hatch cover, and retracting the hydraulic jack to the original length;
s4, placing a base at the lower end of the hydraulic jack, extending the hydraulic jack again, lifting the hatch cover for the second time, and placing a hatch cover support below the hatch cover; since the lifting height of the hydraulic jack is limited, the second lifting is performed, and when the second lifting still does not satisfy the required lifting height, the third lifting or more lifting is performed according to the steps of S3-S4.
And S5, the hydraulic jack is contracted to the original length, and the hydraulic control device at the level of the hydraulic jack is taken down, so that the operation can be carried out on the area below the hatch cover.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention reduces the use times of the crane in the installation process of the hatch cover accessory and saves the production cost.
2. The invention realizes the positioning, installation, welding and debugging of the accessories of the container ship hatch cover without dismounting.
3. The device is light in carrying, simple in use, safe and reliable.
Drawings
Fig. 1 is a schematic view of a lock bolt according to the present invention.
Fig. 2 is a schematic view of an L-shaped stent according to the present invention.
Fig. 3 is a schematic view of a headbolt according to the present invention.
Fig. 4 is a schematic view of the installation of the hydraulic jack in the present invention.
Fig. 5 is a schematic view of the structure of the box pin of the present invention.
Fig. 6 is a schematic use view of the hydraulic synchronous jacking device for the hatch cover of the large container ship in the invention.
In the figure, the 1, L-shaped bracket; 2. locking the bolt; 3. a hydraulic jack; 4. a hydraulic jack hanger; 5. a base; 6. a hydraulic oil pump; 7. an oil pump control box; 8. a controller; 9. the hatch cover is temporarily supported; 10. a hatch cover support; 11. a screw; 12. a nut; 13. a stopper; 14. a cable; 15. a base plate; 16. a first ear plate; 17. a stud bolt; 18. fixing the bolt; 19. a head bolt; 20. a high pressure oil pipe; 21. a box leg; 22. a rectangular opening; 23. a second ear panel; 24. a bolt with a chain.
Detailed Description
The invention is described in further detail below with reference to specific embodiments:
as shown in fig. 1-6, a hydraulic synchronous jacking device for a hatch cover of a large container ship structurally comprises a controller 8, an oil pump control box 7, a hydraulic oil pump 6, a hydraulic jack 3 and an L-shaped support 1, wherein the controller 8 is connected with the oil pump control box 7 through a cable 14, the hydraulic oil pump 6 is also connected with the oil pump control box 7 through the cable 14, the hydraulic oil pump is SMP-4032SW-TCB in type, the hydraulic oil pump 6 is connected with the hydraulic jack 3 through a high-pressure oil pipe 20, the L-shaped support 1 is installed on a box foot (21) on the hatch cover through a locking bolt 2, a rectangular opening 22 is formed in the box foot (21), one end of the L-shaped support 1 is fixed on the box foot (21), the other end of the L-shaped support extends to the periphery of the hatch cover, and a hydraulic jack hanger 4 is further installed below the end of the hydraulic jack 3 extending to the periphery of the hatch cover; hydraulic jack gallows 4 includes bottom plate 15, first otic placode 16 vertical fixation is at bottom plate 15 both ends, the center of bottom plate 15 is equipped with the screw hole of installation hydraulic jack 3, be equipped with fixing bolt 18 on the first otic placode 16, it has stud 17 to peg graft in the screw hole, 15 one side of bottom plate of hydraulic jack gallows 4 still is equipped with a stud 19, the upper end spiro union of stud 17 is downthehole at the screw thread, the 15 lower extreme of upper end laminating bottom plate of hydraulic jack 3, peg 19 one end supports stud 17, hydraulic jack 3 has 4, evenly distributed is around the hatch board, 3 upper ends of hydraulic jack and the lower extreme spiro union of stud 17, hydraulic jack 3 installs at 4 lower extremes of hydraulic jack gallows.
Furthermore, the locking bolt 2 comprises a screw rod 11, one end of the screw rod 11 is fixedly provided with a stop block 13, the other end of the screw rod 11 is provided with a second lug plate 23, and the width of the second lug plate 23 is not more than the diameter of the screw rod 11; a round hole is formed in the second lug plate 23, a bolt 24 with a chain is further connected to the second lug plate 23, the section of the stop block 13 perpendicular to the direction of the screw rod 11 is rectangular, the width of the rectangle is not more than the width of the rectangular opening 22 in the box foot 21, and the maximum length of the rectangle is not more than the length of the rectangular opening 22 in the box foot 21; the screw 11 is also provided with a nut 12. A screw 11 of the locking bolt 2 penetrates through the L-shaped support 1, the stop block 13 is clamped in the box leg 21, and the L-shaped support 1 is located between the nut 12 and the stop block 13.
A use method of a hydraulic synchronous jacking device for a large container ship hatch cover comprises the following steps:
s1, installing the hydraulic jack hanger 4 at the bottom of the L-shaped support 1, then installing the L-shaped support 1 on the box leg (21) by using the locking bolt 2, during installation, firstly enabling the screw rod 11 of the locking bolt 2 to penetrate through the L-shaped support 1, then inserting the stop block 13 at the lower end of the screw rod 11 of the locking bolt 2 into the rectangular opening 22 of the box leg (21), inserting the chain bolt 24 into the circular hole of the second lug plate 23, rotating the locking bolt 2 by 90 degrees, then screwing the nut 12 at the upper end of the screw rod 11, and installing the L-shaped support 1 on the box leg (21);
s2, placing the hydraulic control device and the hydraulic oil pump on the hatch cover and connecting, then installing the hydraulic jack 3 at the lower end of the threaded hole of the jack hanging bracket 4, and screwing the upper end of the hydraulic jack 3 with the stud bolt 17;
s3, starting a hydraulic control device, extending a hydraulic jack 3 to lift the hatch cover for the first time, then placing a temporary hatch cover support 9 at the lower end of the hatch cover, and retracting the hydraulic jack to the original length;
s4, placing the base 5 at the lower end of the hydraulic jack 3, extending the hydraulic jack 3 again, lifting the hatch cover for the second time, and placing the hatch cover support 10 below the hatch cover; since the lifting height of the hydraulic jack 3 is limited, the second lifting is performed, and when the second lifting does not satisfy the required lifting height, the third lifting or more lifting is performed according to the steps of S3 to S4.
And S5, the hydraulic jack 3 is contracted to the original length, and the hydraulic jack 3 and the hydraulic control device are taken down, so that the operation can be carried out on the area below the hatch cover.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.
Claims (8)
1. A hydraulic synchronous jacking device for a hatch cover of a large container ship comprises box feet (21), wherein rectangular openings (22) are formed in the box feet (21), and the box feet (21) are fixedly installed on the hatch cover, and is characterized in that the hydraulic synchronous jacking device structurally comprises a hydraulic control device, a hydraulic oil pump (6), hydraulic jacks (3) and an L-shaped support (1), wherein the hydraulic control device is connected with the hydraulic oil pump (6) through a high-pressure oil pipe (20), the L-shaped support (1) is installed on the box feet (21) through locking bolts (2), one end of the L-shaped support (1) extends to the periphery of the hatch cover, the hydraulic jacks (3) are installed below the L-shaped support (1), the number of the hydraulic jacks (3) is at least four, and the hydraulic jacks (3) are uniformly distributed around the hatch cover; the locking bolt (2) comprises a screw rod (11), a stop block (13) is fixedly arranged at one end of the screw rod (11), a second lug plate (23) is further arranged at the other end of the screw rod (11), a round hole is formed in the second lug plate (23), a bolt (24) with a chain is further arranged on the second lug plate (23), the cross section of the stop block (13) in the direction perpendicular to the screw rod (11) is rectangular, the width of the rectangle is not more than that of a rectangular opening (22) in the box foot (21), and the maximum length of the rectangle is not more than that of the rectangular opening (22) in the box foot (21); the screw rod (11) is also provided with a nut (12); a screw rod (11) of the locking bolt (2) penetrates through the L-shaped support (1), the stop block (13) is clamped in the box leg (21), and the L-shaped support (1) is located between the nut (12) and the stop block (13).
2. The hydraulic synchronous jacking device for the hatch cover of the large container ship as claimed in claim 1, wherein the structure further comprises a hydraulic jack hanger (4), the hydraulic jack hanger (4) is installed at the lower end of the L-shaped bracket (1), and the hydraulic jack (3) is installed on the hydraulic jack hanger (4).
3. The hydraulic synchronous jacking device for the hatch covers of the large container ships, as recited in claim 1, wherein the hydraulic control device comprises a controller (8) and an oil pump control box (7), the controller (8) and the oil pump control box (7) are electrically connected through a cable (14), and the hydraulic oil pumps (6) are electrically connected with the oil pump control box (7) through the cable (14).
4. The hydraulic synchronous jacking device for the hatch cover of the large container ship as claimed in claim 2, wherein the hydraulic jack hanger (4) comprises a bottom plate (15) and first lug plates (16), the first lug plates (16) are vertically fixed at two ends of the bottom plate (15), a threaded hole for installing the hydraulic jack (3) is formed in the center of the bottom plate (15), and a fixing bolt (18) is arranged on the first lug plate (16).
5. The hydraulic synchronous jacking device for the hatch cover of the large container ship as claimed in claim 4, wherein the first ear plates (16) are respectively arranged at two sides of the L-shaped bracket (1), and the hydraulic jack hanger (4) is installed at the bottom of the L-shaped bracket (1) through a fixing bolt (18).
6. The hydraulic synchronous jacking device for the hatch cover of the large container ship as claimed in claim 5, wherein a support bolt (19) is further arranged on one side of the bottom plate (15) of the hydraulic jack hanger (4), a stud bolt is arranged in a threaded hole in the center of the bottom plate, the upper end of the stud bolt is screwed in the threaded hole, and one end of the support bolt is abutted against the stud bolt.
7. The hydraulic synchronous jacking device for the hatch cover of the large container ship as claimed in claim 6, wherein the upper end of the hydraulic jack (3) is screwed on the lower end of the double-headed bolt (17), and the upper end of the hydraulic jack (3) is attached to the lower end of the bottom plate (15).
8. A method for using the hydraulic synchronous jacking device for the hatch covers of the large container ships according to any one of the claims 1 to 7, which is characterized by comprising the following steps:
s1, installing the hydraulic jack hanger at the bottom of the L-shaped support, then installing the L-shaped support (1) on the box leg (21) by using the locking bolt (2), during installation, firstly enabling the screw rod (11) of the locking bolt (2) to penetrate through the L-shaped support (1), then inserting the stop block (13) at the lower end of the screw rod (11) of the locking bolt (2) into the rectangular opening (22) of the box leg (21), inserting the chain-provided bolt (24) into the round hole in the second lug plate (23), rotating the locking bolt (2) by 90 degrees, then screwing the nut (12) at the upper end of the screw rod (11), and installing the L-shaped support (1) on the box leg (21);
s2, placing the hydraulic control device and the hydraulic oil pump (6) on the hatch cover and connecting, then installing the hydraulic jack (3) at the lower end of the threaded hole of the jack hanger (4), and screwing the upper end of the hydraulic jack (3) with the stud bolt (17);
s3, starting a hydraulic control device, extending a hydraulic jack (3) to lift the hatch cover for the first time, then placing a temporary hatch cover support (9) at the lower end of the hatch cover, and retracting the hydraulic jack (3) to the original length;
s4, placing a base (5) at the lower end of the hydraulic jack (3), extending the hydraulic jack (3) again, lifting the hatch cover for the second time, placing a hatch cover support (10) below the hatch cover, and lifting the hatch cover to a required height according to the method of S3-S4;
and S5, the hydraulic jack (3) is contracted to the original length, and the hydraulic jack (3) and the hydraulic control device are taken down, so that the operation can be carried out on the area below the hatch cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910858162.1A CN110745210B (en) | 2019-09-11 | 2019-09-11 | Hydraulic synchronous jacking device for hatch covers of large container ships and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910858162.1A CN110745210B (en) | 2019-09-11 | 2019-09-11 | Hydraulic synchronous jacking device for hatch covers of large container ships and application method thereof |
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| CN110745210A CN110745210A (en) | 2020-02-04 |
| CN110745210B true CN110745210B (en) | 2022-04-05 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479288A (en) * | 2021-06-24 | 2021-10-08 | 上海江南长兴造船有限责任公司 | Container ship hatch cover edge protection device and use method thereof |
| CN113428294B (en) * | 2021-07-22 | 2022-03-01 | 无锡市欣帆船舶设备有限公司 | Control method, system, device and medium for large-scale vertical jacking hydraulic hatch cover |
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