CN104760661A - Locking device for connecting modular buoyancy boxes - Google Patents

Abstract

The invention discloses a locking device for connecting a modular buoyant tank used on an ocean platform, which comprises two bolts, a locking plate, an upper positioning plate and a lower positioning plate; The upper and lower positioning plates on the sides of a pontoon house the lock plate and can move the lock plate up and down. When the bolt is inserted into the lock plate through the opening on the upper and lower positioning plates, only the lock plate needs to be moved down so that the lock plate is caught in the groove of the bolt, and the two buoyancy tanks can be connected together, avoiding the use of The traditional welding method connects the two pontoons together, which greatly improves the precision of offshore platform construction, facilitates transportation and is suitable for operations in sea areas where the height of the cross-sea bridge is limited. In addition, the manufacturing process of the bolt and the lock plate is simple and low in cost, which can effectively control the cost.

Description

A locking device for connecting modular pontoons

technical field

The invention belongs to the technical field of offshore platforms, in particular to a locking device for connecting modular floating tanks.

Background technique

There are many existing locking devices, but few are used in offshore platforms. At present, the locking devices used in offshore platforms are only used for the lifting system of the legs of offshore platforms, but not for modular buoyancy tanks. Connected locking device.

For offshore platforms, adopting a modular construction method can increase the production cycle, improve construction quality and platform life, reduce construction costs and life-cycle costs, and be easier to transport and maintain than traditional design and construction models. The existing modular segmental connection generally adopts the form of welding, but because the seam that needs to be welded is too large, the deformation caused by welding is not easy to control. Such defects make the deformation caused by welding too large, which has a great impact on the accuracy of the platform .

Therefore, a new technical solution is needed to solve the above problems.

Contents of the invention

In order to facilitate the transportation of the offshore platform, the modular floating tank can be separated and transported. At the same time, compared with the influence of excessive welding deformation on the platform construction accuracy in the prior art, the present invention provides a lock for connecting the modular floating tank The tightening device has the characteristics of simple manufacturing process, low cost, simple and fast locking and unlocking operations.

In order to achieve the above object, the locking device used to connect the modular floating tanks of the present invention can adopt the following technical solutions:

A locking device for connecting modular floating tanks, comprising two bolts, a lengthwise locking plate, an upper positioning plate, and a lower positioning plate; the locking plate includes an upper locking plate, a lower locking plate, connecting the upper locking plate and the lower locking plate The connecting plate of the lock plate; the bolt includes a steel plate and a bolt rod passing through the steel plate, the head end of the bolt rod is a conical head, and one side of the bolt rod has a groove between the steel plate and the conical head; The lock plate is provided with an upper polygonal hole that matches the groove of the above-mentioned one bolt; and the lower lock plate is provided with a lower polygonal hole that matches the groove of another bolt; the upper positioning plate has an upper main body and a self-upper main body. The upper welding parts bent and extended on both sides, a storage space for accommodating the locking plate is formed between the two upper welding parts and the upper main body, and the upper main body is provided with a hole corresponding to the upper polygonal hole of the upper locking plate. The upper circular opening of the said one bolt passes through the upper circular opening and the upper polygonal hole in turn; the lower positioning plate has a lower main board body and a lower welding part bent and extended from both sides of the lower main board body, A storage space for receiving the lower lock plate is formed between the two lower welding parts and the lower main plate body; the lower main plate body is provided with a lower circular hole that cooperates with the lower lock plate and has a lower polygonal hole corresponding to the lower lock plate. Open the hole, and the latch rod of the other latch passes through the lower circular opening and the lower polygonal hole in turn; the lock plate moves up and down in the accommodation space of the upper positioning plate and the lower positioning plate.

In order to achieve the above object, the present invention is used to connect the locking device of the modular floating tank using the following technical solutions:

Fix the two bolts on the side panel of one pontoon in the way of one up and one down, and weld the upper positioning plate and the lower positioning plate to the side panel of the other pontoon, and then insert the locking plate into the upper positioning plate from top to bottom. In the storage space of the storage space and the lower positioning plate, the upper locking plate is located between the upper positioning plate and the side panel of the pontoon, and the lower locking plate is located between the lower positioning plate and the side panel of the pontoon. In the accommodation space between the box bodies, one of the latch rods of the two bolts can pass through the upper circular opening and the upper polygonal hole and the other can pass through the lower circular opening and the lower polygonal hole; Moving down makes the upper side edge of the upper polygonal hole and the upper side edge of the lower polygonal hole snap into the groove of the corresponding bolt respectively.

Compared with the prior art, the beneficial effect of the present invention is that the present invention is a locking device for the connection of modular floating tanks forming an ocean platform, by installing a latch and a locking plate at the same height on the sides of the two floating tanks , by moving the locking plate up and down so that the latch is stuck, so that the two modular pontoons are connected together. It avoids the traditional welding method to connect two modular floating tanks together, avoids the large deformation of welding, and greatly improves the precision of construction. In addition, the manufacturing process of the bolt and the lock plate is simple and low in cost, which can effectively control the cost.

Adopting the locking device of the present invention facilitates the transportation of the offshore platform by land. The offshore platform can be divided into independent boxes of different specifications, and each box is provided with a serial number. An appropriate number of locking devices can be quickly assembled according to a certain number sequence, and the assembly and disassembly are convenient and fast.

The locking device for connecting modular floating tanks of the present invention is simple in manufacture, compact in structure, convenient in use, high in production efficiency, high in precision, and has good economic and social benefits.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the locking device for connecting modular floating tanks used on two adjacent floating tanks according to the present invention.

Fig. 2 is an enlarged view of the position where the bolt, the upper positioning plate and the upper locking plate are connected to each other in Fig. 1 .

Fig. 3 is a structural schematic diagram of the plug in the present invention.

Fig. 4 is a structural schematic diagram of the lock plate in the present invention.

Fig. 5 is a schematic structural view of the upper positioning plate in the present invention.

FIG. 6 is a schematic cross-sectional view showing the position of the positioning plate 1 - 1 in FIG. 5 .

Fig. 7 is a schematic structural view of the middle and lower positioning plate of the present invention.

Detailed ways

Please refer to Fig. 1 to Fig. 7, the present invention discloses a locking device for connecting modular buoys, which is characterized in that it includes two bolts 1, a lengthwise locking plate 2, an upper positioning plate 16, Lower positioning plate 17; Locking plate 2 comprises upper locking plate 14, lower locking plate 15, connecting plate 4 connecting upper locking plate 14 and lower locking plate 15, connecting plate 4 is a rectangular plate provided with lightening hole 119, and upper locking plate 14 and the connecting plate 4 are welded by deep penetration welding; the lower locking plate 15 and the connecting plate 4 are also welded by deep penetration welding.

The latch 1 includes a steel plate 12 and a latch rod 11 that runs through the steel plate 12. The head end of the latch rod 11 is a conical head 111, and one side of the latch rod 11 has a groove 112 between the steel plate 12 and the conical head. The upper locking plate 14 is provided with an upper polygonal hole 116 matching with the groove 112 of the above-mentioned one bolt; and the lower locking plate 15 is provided with a lower polygonal hole 118 matching with the groove 112 of another bolt. Preferably, in this embodiment, the groove 112 extends along half of the circumference of the side of the latch rod 11, and the cross section of the groove 112 is half of a circle, so that when the groove 112 When inserting and mating with the upper edge of the upper polygonal hole 116 or the lower polygonal hole 118 , a large space can be given by the circular groove 112 to facilitate the inserting and mating. The front side of the steel plate 12 is a square with arc chamfers and a circular hole in the middle, and the back side of the steel plate 12 is a square slightly larger than the diameter of the bolt rod, which is sloped for buffering. The structure of the steel plate 12 increases the welding surface connecting the bolt and the box body, avoiding stress concentration and excessive local strength.

The upper positioning plate 16 has an upper main body 161 and an upper welding portion 162 bent and extended from both sides of the upper main body, and a storage space for accommodating the locking plate 14 is formed between the two upper welding portions 162 and the upper main body 161 , the upper main plate body 161 is provided with an upper circular opening 120 corresponding to the upper polygonal hole 116 of the upper lock plate 14, and the latch rod 11 of the one bolt passes through the upper circular opening 120 and the upper polygonal hole in turn. 116; the lower positioning plate 17 has a lower main board body 171 and a lower welding part 172 bent and extended from both sides of the lower main board body 161, and the lower locking board 16 is formed between the two lower welding parts 172 and the lower main board body 171 The lower main board body 171 is provided with a lower circular opening 122 that is matched with the lower locking plate 15 and has a lower polygonal hole 118 corresponding to the lower locking plate 16, and another latch rod passes through the lower locking plate in turn. A circular opening 122 and a lower polygonal hole 118; the locking plate 2 moves up and down in the accommodation space of the upper positioning plate 16 and the lower positioning plate 17. The upper polygonal hole 116 and the lower polygonal hole 118 are composed of a rectangle and a semicircle with two upper chamfers.

As shown in Figure 1, the two latches 1 are arranged and fixed on the side panel of a floating tank, and the upper positioning plate 16 and the lower positioning plate 17 are welded on the side panel of another floating tank, and the locking plate 2 limits Between the upper positioning plate, the lower positioning plate and the side panel of another pontoon.

The locking plate 14 has a first bolt hole 115 and a second bolt hole 117, the first bolt hole 115 is located on the axis of symmetry of the locking plate, and the second bolt holes 117 are two groups, each group is 4 , respectively located on both sides of the symmetry axis of the upper locking plate; the upper positioning plate 16 is provided with two sets of third bolt holes 121 corresponding to the second bolt holes. When there is no need to connect the bolt 1, such as when carrying out box transportation, the second bolt hole 117 and the third bolt hole 121 can be used to lock the upper locking plate 14 and the upper positioning plate 16 by bolts to avoid falling off. And the upper edge of the upper lock plate is bent and provided with a handle 114. During specific operations, the lock plate 2 can be pulled up or put down by the handle 114. At the same time, the handle 114 can lean against the upper edge of the upper positioning plate 16. to play a limiting role.

To sum up, the locking device for connecting the modular floating tanks of the present invention is simple in structure, easy to manufacture and low in cost. In combination with Fig. 1 to Fig. 7, in specific use, the locking device used to connect the modular floating tank is used as follows: two bolts 1 are fixed on the side of a floating tank A in a way of going up and down. side panel, and the upper positioning plate 16 and the lower positioning plate 17 are welded on the side panel of another buoyant tank B, then the locking plate 2 is inserted into the accommodation space of the upper positioning plate 16 and the accommodation space of the lower positioning plate 17 from top to bottom Inside, the upper locking plate 14 is positioned between the upper positioning plate 16 and the side panel of the buoyant tank B, the lower locking plate 15 is positioned between the lower positioning plate 17 and the side panel of the buoyant tank B, and the locking plate 14 is pulled up earlier to make the two latches One of the latch rods 11 passes through the upper circular opening 120, the upper polygonal hole 116 and the other passes through the lower circular opening 122 and the lower polygonal hole 118; then the locking plate 14 is moved downwards to make the upper side of the upper polygonal hole Edge and the upper edge of the lower polygonal hole snap into the groove 112 of the corresponding latch respectively, so that the two floating tanks A, B can be connected together, and the second bolt hole 117 and the third bolt hole 121 are passed through the bolt. The upper locking plate 14 and the upper positioning plate 16 are locked, so that the locking plate and the positioning plate are integrally connected together.

In addition, there are many specific implementation methods and approaches of the present invention, and the above descriptions are only preferred implementation modes of the present invention. It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. All components that are not specified in this embodiment can be realized by existing technologies.

Claims (10)

1. for a latching device for connecting die blocking buoyancy tank, it is characterized in that: comprise two latches (1), the jam plate (2) of lengthwise, upper locating plate (16), lower locating plate (17); Jam plate (2) comprises the connecting panel (4) of upper lock plate (14), lower locking plate (15), connection upper lock plate and lower locking plate;

Described latch (1) comprises steel plate (12) and runs through the bolt rod (11) of steel plate, the head end of described bolt rod is nose cone (111), and the side of bolt rod has the groove (112) between steel plate and nose cone;

Described upper lock plate (14) is provided with the upper polygonal hole (116) coordinated with the groove (112) of an above-mentioned latch; And lower locking plate (15) is provided with the lower polygonal hole (118) coordinated with the groove of another latch (112);

The upper weld part (162) that upper locating plate (16) has upper mainboard body (161) and extends from upper mainboard body two lateral buckling, the receiving space of accommodating upper lock plate is formed between described two upper weld parts and upper mainboard body, described upper mainboard body (161) is provided with the upper round hole (120) corresponding with the upper polygonal hole (116) of upper lock plate, and the bolt rod (11) of a described latch is successively through upper round hole (120) and upper polygonal hole (116); The lower weld part (172) that lower locating plate (17) has lower mainboard body (171) and extends from lower mainboard body two lateral buckling, forms the receiving space of accommodating lower locking plate between described two lower weld parts and lower mainboard body; Described lower mainboard body (171) is provided with and coordinates with lower locking plate (15) and to have the lower round hole (122) corresponding with the lower polygonal hole (118) of lower locking plate, and the bolt rod of another latch is successively through lower round hole (122) and lower polygonal hole (118); Described jam plate (2) moves up and down in the receiving space of upper locating plate and lower locating plate.

2. the latching device for connecting die blocking buoyancy tank according to claim 1, is characterized in that: connecting panel (4) is for being provided with the rectangular plate of lightening hole (119).

3. the latching device for connecting die blocking buoyancy tank according to claim 1, it is characterized in that: described groove (112) extends along the circumference of bolt rod side 1/2nd, and the cross-sectional plane of groove (112) is the annular arrangement of 1/2nd.

4. the latching device for connecting die blocking buoyancy tank according to claim 1, it is characterized in that: described two latches (1) arrange and are fixed on the side panel of a buoyancy tank, and upper locating plate (16) and lower locating plate (17) are welded on the side panel of another buoyancy tank, described jam plate (2) is limited in locating plate and between lower locating plate and the side panel of another buoyancy tank.

5. the latching device for connecting die blocking buoyancy tank according to claim 1, is characterized in that: described upper polygonal hole (116) and lower polygonal hole (118) are made up of the oblong and semicircle with two chamferings in top.

6. the latching device for connecting die blocking buoyancy tank according to claim 5, it is characterized in that: described upper lock plate (14) has the first bolt hole (115) and the second bolt hole (117), described first bolt hole (115) is positioned on the axis of symmetry of upper lock plate, second bolt hole (117) is two groups, lays respectively at the both sides of the axis of symmetry of upper lock plate; Described upper locating plate (16) is provided with some two group three bolts hole (121) arranging corresponding to the second bolt hole.

7. the latching device for connecting die blocking buoyancy tank according to claim 1, it is characterized in that: the upper limb bending of upper lock plate is provided with handle (114), and described handle (114) can be resisted against the upper limb of locating plate (16).

8. the latching device for connecting die blocking buoyancy tank according to claim 1, is characterized in that: upper lock plate (14) is welded by deep penetration welding with connecting panel (4); Lower locking plate (15) is same with connecting panel (4) to be welded by deep penetration welding.

9. the latching device for connecting die blocking buoyancy tank according to claim 1, it is characterized in that: the front of steel plate (12) is have circular arc chamfering and middle part has the square of circular opening, the back side of steel plate is the square being greater than bolt rod diameter, becomes slope type buffering.

10. as claimed in any one of claims 1-9 wherein for the using method of the latching device of connecting die blocking buoyancy tank, it is characterized in that: the side panel two latches (1) mode being one on the other fixed on a buoyancy tank, and upper locating plate (16) and lower locating plate (17) are welded on the side panel of another buoyancy tank, again jam plate (2) is inserted in the receiving space of locating plate (16) and the receiving space of lower locating plate (17) from top to bottom, make upper lock plate (14) between upper locating plate and buoyancy tank side panel, lower locking plate (15) is between lower locating plate and buoyancy tank side panel, first jam plate (14) pull-up made the bolt rod (11) of two latches through upper round hole (120), upper polygonal hole (116) and another is through lower round hole (122) and lower polygonal hole (118), then jam plate (14) is moved down and the upper lateral margin of upper polygonal hole and the upside edge of lower polygonal hole are snapped in the groove (112) of corresponding latch respectively.