Anti-slip device for ocean engineering drilling platform

Abstract

The utility model discloses an anti-slip device for an ocean engineering drilling platform, which relates to the technical field of ocean engineering drilling platforms and comprises a drill floor support connected onto a cantilever beam track in a sliding manner, and a controller is fixedly mounted on the side wall of the drill floor support. A vertical limiting and locking mechanism and a transverse limiting and locking mechanism are sequentially arranged on the drill floor support, the vertical limiting and locking mechanism comprises four lifting type magnetic attraction assemblies distributed in a rectangular array, and the transverse limiting and locking mechanism comprises a double-rack translation assembly and a self-locking type driving assembly. According to the utility model, a convenient electromagnetic chuck structure is adopted to limit and lock the drilling platform mounted on the drill floor support, so that the drilling platform mounted on the drill floor support does not slip after staying at any position of the cantilever beam track; compared with a traditional locking mode that a locking pin is matched with a pin hole for locking, the locking device is low in operation difficulty, and the working efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ocean engineering drilling platform technical field especially relates to a kind of ocean engineering drilling platform anti-sliding device. BACKGROUND

[0002] In the process of ocean engineering drilling, drilling platform is affected by operation area wind force, drill floor vibration and platform pitching, rolling and other factors during actual operation and towing process, and the drill floor will slide or overturn on the track support beam, which may cause serious safety accidents. Therefore, the drilling platform needs to be fixed and locked during drilling operation and platform towing.

[0003] Through the cooperation of locking pin and locking pin hole, the locking device provides resistance to sliding and overturning force, so that the drill floor is locked at any position of the cantilever beam track support beam during normal operation, avoiding the drill floor from sliding or overturning. The above-mentioned prior art locks by the cooperation of locking pin and pin hole. In the case of different centers of locking pin and locking pin hole, it needs to be adjusted repeatedly to align. This operation is relatively difficult and troublesome, which reduces the work efficiency. Moreover, it can only be locked in a single direction, and the position locking is not comprehensive enough, which may affect the anti-sliding effect. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides an ocean engineering drilling platform anti-sliding device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An ocean engineering drilling platform anti-sliding device includes a drill floor support connected to the cantilever beam track, a controller is fixedly installed on the side wall of the drill floor support, and a vertical limiting locking mechanism and a horizontal limiting locking mechanism are sequentially arranged on the drill floor support.

[0007] The vertical limiting locking mechanism includes four lifting magnetic attraction assemblies arranged in a rectangular array, and the horizontal limiting locking mechanism includes a double-rack translation assembly and a self-locking drive assembly.

[0008] Each of the four lifting magnetic attraction assemblies includes a mounting bracket welded to the side wall of the drill floor support, an electric push rod fixedly installed on the bottom outer wall of the mounting bracket, a connecting block fixedly connected to the telescopic end of the electric push rod, and a vertical electromagnetic chuck fixedly installed on the bottom outer wall of the connecting block.

[0009] Preferably, the double-rack translation assembly comprises two linkage racks, guide rails fixedly connected to the outer wall of the bottom of the drilling platform support, two sliding plates symmetrically distributed and slidingly connected to the guide rails, and two lateral electromagnetic suction cups fixedly installed on the outer walls of the sides of the two sliding plates away from each other.

[0010] Preferably, the two linkage racks are symmetrically and staggeredly arranged, and the two sliding plates are welded with the two linkage racks in sequence through reinforcing connecting ribs.

[0011] Preferably, the self-locking driving assembly comprises a transmission shaft rotatably installed in the drilling platform support, a gear fixedly installed at the lower part of the transmission shaft, a stepping motor fixedly installed in the inner wall of the top of the drilling platform support, a worm fixedly sleeved on the output shaft of the stepping motor, and a worm wheel fixedly installed at the upper part of the transmission shaft, and the stepping motor is electrically connected with the controller.

[0012] Preferably, the worm and the worm wheel are in meshing relationship, and the two linkage racks are in meshing relationship with the gear.

[0013] The drilling platform support of the present application has the following beneficial effects:

[0014] 1. The electromagnetic suction cup structure is used to limit and lock the drilling platform installed on the drilling platform support, so that the drilling platform installed on the drilling platform support will not slip after being stopped at any position of the cantilever beam track, and the operation difficulty is low, the operation is simple and convenient, and the working efficiency is improved.

[0015] 2. The lateral electromagnetic suction cup and the vertical electromagnetic suction cup are used to limit and lock in the lateral and vertical directions, so that the position locking is more comprehensive, and the anti-slip effect is further improved compared with the traditional single-direction locking structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the present application on the cantilever beam track;

[0017] Figure 2 It is a three-dimensional structure schematic view of the present application as a whole;

[0018] Figure 3 It is a three-dimensional structure schematic view of the present application after the top of the drilling platform support is cut off;

[0019] Figure 4 It is a three-dimensional structure schematic view of the present application from the bottom of the drilling platform support;

[0020] Figure 5 It is a three-dimensional structure schematic view of the double-rack translation assembly of the present application;

[0021] Figure 6 It is a three-dimensional enlarged structural schematic view of the worm, the worm wheel and the stepping motor in the utility model.

[0022] In the figure: 1, cantilever beam track; 2, drilling platform support; 3, controller; 4, mounting bracket; 5, electric push rod; 6, vertical electromagnetic chuck; 7, linkage rack; 8, guide rail; 9, sliding plate; 10, lateral electromagnetic chuck; 11, reinforcing connecting rib; 12, transmission shaft; 13, gear; 14, stepping motor; 15, worm; 16, worm wheel. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Embodiment 1, refer to Figures 1-6 A marine engineering drilling platform anti-sliding device, including the drilling platform support 2 that is slidably connected on the cantilever beam track 1, the drilling platform support 2 is used to install the drilling platform, the side wall of the drilling platform support 2 is fixedly installed with the controller 3, the drilling platform support 2 is sequentially provided with vertical limiting locking mechanism and horizontal limiting locking mechanism;

[0025] In the embodiment, the cantilever beam track 1 is iron metal material, the drilling platform support 2 is provided with vertical limiting locking mechanism, and the vertical limiting locking mechanism includes four lifting type magnetic suction assemblies arranged in a rectangular array.

[0026] Specifically, the four lifting type magnetic suction assemblies each include a mounting bracket 4 welded to the side wall of the drilling platform support 2, an electric push rod 5 fixedly installed on the bottom outer wall of the mounting bracket 4, a connecting block fixedly connected to the extension end of the electric push rod 5 and a vertical electromagnetic chuck 6 fixedly installed on the bottom outer wall of the connecting block, and the four electric push rods 5 and the four vertical electromagnetic chucks 6 are electrically connected with the controller 3.

[0027] The vertical limiting locking mechanism in specific use: first, when the drilling platform installed on the drilling platform support 2 slides to a certain position, at this time, the four vertical electromagnetic chucks 6 are moved downward to the bottom of the cantilever beam track 1 by controlling the four electric push rods 5 to work through the controller 3, and then the four vertical electromagnetic chucks 6 are powered on to realize the effect of vertical magnetic suction limiting locking; second, the four vertical electromagnetic chucks 6 are powered off to lose magnetic attraction, and then the four vertical electromagnetic chucks 6 are moved upward to leave the bottom of the cantilever beam track 1 by controlling the four electric push rods 5 to work through the controller 3, at this time, the drilling platform installed on the drilling platform support 2 can continue to slide.

[0028] In the embodiment, the drilling platform support 2 is provided with a transverse limiting locking mechanism, which comprises a double-rack translation assembly and a self-locking driving assembly.

[0029] Specifically, the double-rack translation assembly comprises two linkage racks 7, a guide rail 8 fixedly connected to the bottom outer wall of the drilling platform support 2, two sliding plates 9 symmetrically distributed and slidingly connected to the guide rail 8, and two lateral electromagnetic suction discs 10 fixedly installed on the outer walls of the two sliding plates 9 away from each other.

[0030] Further, the two linkage racks 7 are symmetrically and staggered arranged, and the two sliding plates 9 are welded with the two linkage racks 7 through reinforcing connecting ribs 11 in sequence.

[0031] Specifically, the self-locking driving assembly comprises a transmission shaft 12 rotatably installed in the drilling platform support 2, a gear 13 fixedly installed at the lower part of the transmission shaft 12, a stepping motor 14 fixedly installed on the inner wall of the top of the drilling platform support 2, a worm 15 fixedly sleeved on the output shaft of the stepping motor 14, and a worm wheel 16 fixedly installed on the upper part of the transmission shaft 12, and the stepping motor 14 and the two lateral electromagnetic suction discs 10 are electrically connected with the controller 3.

[0032] Further, the worm 15 and the worm wheel 16 are meshed with each other, and through the self-locking performance after the meshing of the worm 15 and the worm wheel 16, the movement of the two linkage racks 7 can be reversely locked, that is, the two linkage racks 7 will not easily move reversely under the action of external force, the two linkage racks 7 are meshed with the gear 13, and the movement of the two linkage racks 7 can only be realized by rotating the gear 13 controlled by the stepping motor 14.

[0033] In specific use, the transverse limiting locking mechanism: first, the stepping motor 14 is controlled to work by the controller 3, then the worm 15 is controlled to rotate forward by the stepping motor 14, then the worm wheel 16 meshed with the worm 15 drives the gear 13 on the transmission shaft 12 to rotate forward, and then the two sliding plates 9 are driven away from each other by the forward rotation of the gear 13, then the two sliding plates 9 away from each other drive the two lateral electromagnetic suction discs 10 to adhere to the two side walls of the cantilever beam track 1, and then the two lateral electromagnetic suction discs 10 are energized to realize the effect of transverse magnetic attraction limiting locking.

[0034] Secondly, by the two lateral electromagnetic chuck 10 disappears by power off magnetic force, then by the controller 3 controls the step motor 14 work again, then by the step motor 14 control worm 15 reverse rotation, then the worm 15 meshed with worm gear 16 will drive the transmission shaft 12 on the gear 13 reverse rotation, in turn by the reverse rotation of the gear 13 to drive two sliding plates 9 to each other, then two mutual approach sliding plate 9 will drive two lateral electromagnetic chuck 10 away from the cantilever beam track 1, realize the effect of unlocking, in turn can make the drilling platform installed on the drilling platform support 2 continue to slip.

[0035] Working principle: first, when the drilling platform installed on the drilling platform support 2 slip to a certain position, at this time by the controller 3 controls four electric push rod 5 work will four vertical electromagnetic chuck 6 to the bottom of the cantilever beam track 1 downward movement, then by the four vertical electromagnetic chuck 6 power to realize the effect of vertical magnetic attraction limit position locking;

[0036] Secondly, by the controller 3 controls the step motor 14 work, then by the step motor 14 control worm 15 forward rotation, then the worm 15 meshed with worm gear 16 will drive the transmission shaft 12 on the gear 13 forward rotation, in turn by the forward rotation of the gear 13 to drive two sliding plates 9 away from each other, then two mutual away sliding plate 9 will drive two lateral electromagnetic chuck 10 adhere to the two side wall of the cantilever beam track 1, then by the two lateral electromagnetic chuck 10 power to realize the effect of horizontal magnetic attraction limit position locking;

[0037] In summary: the utility model discloses a more convenient electromagnetic chuck structure is positioned to the drilling platform installed on the drilling platform support 2 locking, in turn make the drilling platform installed on the drilling platform support 2 in the cantilever beam track 1 arbitrary position stay will not slip, compared with the traditional locking pin and pin hole cooperation locking mode, the utility model discloses the operation difficulty is lower, it is more simple and convenient to operate, effectively improve the work efficiency, and, the utility model discloses the cooperation of lateral electromagnetic chuck 10 and vertical electromagnetic chuck 6 can be positioned in lateral and vertical two directions locking, make the position locking more comprehensive, compared with the traditional single direction locking structure, the utility model discloses further improve the effect of anti slip.

[0038] The above, only for the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled in the art person in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept of the utility model are equivalent to replace or change, all should be covered in the protection scope of the utility model.

Claims

1. An anti-slip device for a marine engineering drilling platform, comprising a drilling platform support (2) slidably connected to a cantilever beam track (1), characterized in that, The side wall of the drill support (2) is fixedly equipped with a controller (3), and the drill support (2) is provided with a vertical limiting locking mechanism and a horizontal limiting locking mechanism in sequence. The vertical limiting locking mechanism includes four rectangular arrays of lifting magnetic suction components, and the horizontal limiting locking mechanism includes a double rack translation component and a self-locking drive component. Each of the four lifting magnetic chuck components includes a mounting bracket (4) welded to the side wall of the drill bench support (2), an electric push rod (5) fixedly installed on the bottom outer wall of the mounting bracket (4), a connecting block fixedly connected to the telescopic end of the electric push rod (5), and a vertical electromagnetic chuck (6) fixedly installed on the bottom outer wall of the connecting block.

2. The anti-slip device for a marine engineering drilling platform according to claim 1, characterized in that, The double rack translation assembly includes two linked racks (7), a guide rail (8) fixedly connected to the bottom outer wall of the drill support (2), two sliding plates (9) slidably connected to the guide rail (8) and symmetrically distributed, and two lateral electromagnetic chucks (10) fixedly installed on the outer walls of the two sliding plates (9) away from each other.

3. The anti-slip device for a marine engineering drilling platform according to claim 2, characterized in that, The two linkage racks (7) are symmetrically and staggered, and the two sliding plates (9) are welded to the two linkage racks (7) in sequence by reinforcing connecting ribs (11).

4. The anti-slip device for a marine engineering drilling platform according to claim 1, characterized in that, The self-locking drive assembly includes a drive shaft (12) rotatably mounted in the drill support (2), a gear (13) fixedly mounted on the lower part of the drive shaft (12), a stepper motor (14) fixedly mounted on the inner wall of the top of the drill support (2), a worm gear (15) fixedly mounted on the output shaft of the stepper motor (14), and a worm wheel (16) fixedly mounted on the upper part of the drive shaft (12).

5. The anti-slip device for a marine engineering drilling platform according to claim 4, characterized in that, The worm (15) meshes with the worm wheel (16), and both linkage racks (7) mesh with the gear (13).

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