Flange limiting device

Abstract

The flange limiting device comprises a supporting base, a driving mechanism and a movable buckling and pressing mechanism, the driving mechanism comprises a driving base and a power output end, the driving base is arranged on the supporting base, and the driving base is in driving connection with the power output end; the movable buckling mechanism comprises a moving assembly and a buckling assembly, and the moving assembly is arranged at the power output end; the buckling assembly comprises a rotating part and a pin shaft which are rotationally connected, the rotating part is rotationally connected with the moving assembly, and the pin shaft is arranged on the side, away from the moving assembly, of the rotating part and used for being movably inserted into a flange hole; the power output end drives the moving assembly to drive the pin shaft to move in the direction close to or away from the flange. The flange limiting device has good operation convenience.

Description

TECHNICAL FIELD

[0001] The utility model belongs to petroleum drilling technical field especially relates to a flange limiting device. BACKGROUND

[0002] The blowout preventer is an important component of well control device, and is mainly used for controlling wellhead pressure in drilling, well repairing and oil testing operations, effectively preventing blowout accidents and realizing safe construction.

[0003] At present, the blowout preventer is fixed by screwing bolts into the flange hole of the blowout preventer.

[0004] It is laborious to tighten the bolts, reducing the operation convenience. INVENTION CONTENTS

[0005] In view of the above technical problems, the utility model provides a flange limiting device.

[0006] The purpose of the application is achieved by the following technical solutions:

[0007] A flange limiting device comprises:

[0008] A support base;

[0009] A driving mechanism comprising a driving base and a power output end, the driving base being arranged on the support base, and the driving base being drivingly connected with the power output end;

[0010] A moving and clamping mechanism comprising a moving assembly and a clamping assembly, the moving assembly being arranged on the power output end; the clamping assembly comprising a rotating member and a pin shaft in rotational connection, the rotating member being in rotational connection with the moving assembly, and the pin shaft being arranged on the side of the rotating member away from the moving assembly, the pin shaft being used for movably inserting into the flange hole; the power output end drives the moving assembly to move the pin shaft towards or away from the flange.

[0011] In one embodiment, the moving assembly is provided with a sliding member, the support base is provided with a sliding rail, and the sliding member is in sliding connection with the sliding rail; the sliding member is arranged on the power output end, and the rotating member is in rotational connection with the sliding member.

[0012] In one of the embodiments, the sliding piece is provided with a receiving gap and a receiving through hole, and the rotating piece is rotatably arranged in the receiving gap; the moving assembly is further provided with a first rotating shaft, the first rotating shaft passes through the receiving through hole and the receiving gap respectively, the first rotating shaft is fixedly connected with the rotating piece, and the first rotating shaft is rotatably connected with the side wall of the receiving through hole.

[0013] In one of the embodiments, the receiving through hole comprises a first sub-hole and a second sub-hole, the first sub-hole is arranged on the side wall of one side of the receiving gap, the second sub-hole is arranged on the side wall of the other side of the receiving gap, and the two ends of the first rotating shaft are rotatably arranged in the first sub-hole and the second sub-hole respectively.

[0014] In one of the embodiments, the rotating piece comprises a pressing part and a connecting part connected with each other, the connecting part is rotatably connected with the pin shaft, and the connecting part is connected with the first rotating shaft.

[0015] In one of the embodiments, the pressing part is provided with a pressing gap.

[0016] In one of the embodiments, the connecting part is provided with a mounting gap and a mounting through hole, and the pin shaft is rotatably arranged in the mounting gap; the pressing assembly is further provided with a second rotating shaft, the second rotating shaft passes through the mounting gap and the mounting through hole respectively, the second rotating shaft is fixedly connected with the pin shaft, and the second rotating shaft is rotatably connected with the side wall of the mounting through hole.

[0017] In one of the embodiments, the driving base is further provided with an extension part, and the sliding rail is arranged on the extension part.

[0018] In one of the embodiments, the flange limiting device further comprises a supporting part, and the supporting part connects the supporting base and the driving base.

[0019] In one of the embodiments, the two ends of the first rotating shaft are provided with locking parts, the diameters of the locking parts are greater than the hole diameters of the first sub-hole and the second sub-hole.

[0020] Compared with the prior art, the flange limiting device has the following advantages or beneficial effects:

[0021] In the utility model, in the process of inserting the pin shaft into the flange hole, the pin shaft is higher than the flange by rotating the rotating part, and the power output end drives the moving assembly to drive the pin shaft to move towards the direction of the flange, then the rotating part is loosened, and the power output end drives the moving assembly to drive the pin shaft to move away from the flange, so that the pin shaft is inserted into the flange hole, and in the process of separating the pin shaft from the flange, the pin shaft is higher than the flange by rotating the rotating part, and the power output end drives the moving assembly to drive the pin shaft to move away from the flange, so that the pin shaft is separated from the flange;The pin shaft replaces the traditional bolt, does not need to be tightened, is more labor-saving, and does not need to use a tightening tool, thereby improving production convenience. BRIEF DESCRIPTION OF DRAWINGS

[0022] ATTACHMENT Figure 1 It is the flange limiting device of an embodiment of the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the application more clear, the application is further described in detail below in combination with examples and drawings, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0024] It should be understood that, in the embodiment, the flange limiting device can be suitable for limiting and fixing various objects or components with hole-shaped structures. In the following examples, the flange of the blowout preventer is taken as an example for further limitation. However, it should be understood that the application of the embodiment is not limited to the limiting of the flange of the blowout preventer.

[0025] Please refer to Figure 1 The flange limiting device 10A of an embodiment includes a support base 10, a driving mechanism 20 and a moving clamping mechanism 30. The driving mechanism 20 includes a driving base 100 and a power output end 200, the driving base 100 is arranged on the support base 10, and the driving base 100 is drivingly connected with the power output end 200. The moving clamping mechanism 30 includes a moving assembly 300 and a clamping assembly 400, the moving assembly 300 is arranged on the power output end 200. The clamping assembly 400 includes a rotating part 410 and a pin shaft 420 which are rotatably connected, the rotating part 410 is rotatably connected with the moving assembly 300, the pin shaft 420 is arranged on the side of the rotating part 410 away from the moving assembly 300, and the pin shaft 420 is used for movably inserting into a flange hole 201. The power output end 200 drives the moving assembly 300 to drive the pin shaft 420 to move towards or away from the direction of the flange 20A.

[0026] In the process of inserting the pin shaft 420 into the flange hole 201, the rotating member 410 is rotated to make the pin shaft 420 higher than the flange 20A, and the power output end 200 drives the moving assembly 300 to drive the pin shaft 420 to move towards the flange 20A, then the rotating member 410 is released, and the power output end 200 drives the moving assembly 300 to drive the pin shaft 420 to move away from the flange 20A, so that the pin shaft 420 is inserted into the flange hole 201. Similarly, in the process of separating the pin shaft 420 from the flange 20A, the rotating member 410 is rotated to make the pin shaft 420 higher than the flange 20A, and the power output end 200 drives the moving assembly 300 to drive the pin shaft 420 to move away from the flange 20A, so that the pin shaft 420 is separated from the flange 20A. The pin shaft 420 replaces the traditional bolt, which does not need to be tightened, is more labor-saving, and does not need to use a tightening tool, thereby improving the production convenience.

[0027] In the embodiment, the pin shaft 420 is rotationally connected with the rotating member 410, so that the axis of the pin shaft 420 is arranged in the vertical direction under the action of gravity of the pin shaft 420, so that the pin shaft 420 is easy to enter and exit the flange hole 201, and the operation convenience of the pin shaft 420 movably inserted into the flange hole 201 is improved.

[0028] In the embodiment, the support base 10 supports the driving base 100, that is, the driving base 100 is fixed on the support base 10 to realize the power output of the power output end 200, that is, the power output end 200 drives the moving assembly 300 to drive the pin shaft 420 to move towards or away from the flange 20A.

[0029] In the embodiment, the diameter of the pin shaft 420 is arranged to be smaller than the hole diameter of the flange hole 201, so that the pin shaft 420 moves in the flange hole 201, and the phenomenon that the pin shaft 420 is stuck in the flange hole 201 is reduced.

[0030] In one of the embodiments, the rotating member 410 can be rotated by manually pressing and lifting the end of the rotating member 410 away from the pin shaft 420. The rotating member 410 is rotationally connected with the first rotating shaft 320, that is, the rotating member 410 rotates around the axis of the first rotating shaft 320. When the end of the rotating member 410 away from the pin shaft 420 is pressed, the end of the rotating member 410 close to the pin shaft 420 drives the pin shaft 420 to rise. Similarly, when the end of the rotating member 410 away from the pin shaft 420 is lifted, the end of the rotating member 410 close to the pin shaft 420 drives the pin shaft 420 to descend.

[0031] In some other embodiments, the slide plate is provided with a driver, two ends of the driver are respectively rotatably connected with the slide plate and the rotating member 410 away from one end of the pin shaft 420, and the driver is configured to drive the one end of the rotating member 410 to move in the vertical direction.

[0032] In one of the embodiments, the sliding member 310 is a slide plate.

[0033] In one of the embodiments, the moving assembly 300 is provided with the sliding member 310, the support base 10 is provided with a slide rail 330, the sliding member 310 is slidably connected with the slide rail 330, the sliding member 310 is arranged on the power output end 200, and the rotating member 410 is rotatably connected with the sliding member 310.

[0034] It can be understood that the slide rail 330 plays a role of guiding the direction of the sliding member 310, the power output end 200 drives the sliding member 310 to move along the slide rail 330, so that the pin shaft 420 reliably moves towards or away from the flange 20A, and the slide rail 330 plays a role of bearing the weight of the sliding member 310, thereby reducing the stress of the power output end 200 and prolonging the service life of the driving mechanism 20.

[0035] In one of the embodiments, the sliding member 310 is provided with a receiving gap and a receiving through hole, and the rotating member 410 is rotatably arranged in the receiving gap; the moving assembly 300 is further provided with a first rotating shaft 320, the first rotating shaft 320 passes through the receiving through hole and the receiving gap respectively, the first rotating shaft 320 is fixedly connected with the rotating member 410, and the first rotating shaft 320 is rotatably connected with the side wall of the receiving through hole.

[0036] It can be understood that the sliding member 310 is rotatably connected with the rotating member 410 through the first rotating shaft 320, that is, the rotating member 410 can rotate around the axis of the first rotating shaft 320, so that the rotating member 410 can drive the pin shaft 420 to ascend and descend, so that the pin shaft 420 is movably arranged in the flange hole 201.

[0037] In one of the embodiments, the receiving through hole includes a first sub-hole and a second sub-hole, the first sub-hole is arranged on the side wall of one side of the receiving gap, the second sub-hole is arranged on the side wall of the other side of the receiving gap, and two ends of the first rotating shaft 320 are rotatably arranged in the first sub-hole and the second sub-hole respectively.

[0038] It can be understood that two ends of the first rotating shaft 320 are rotatably arranged in the first sub-hole and the second sub-hole respectively, that is, the side wall of the first sub-hole and the side wall of the second sub-hole both play a role of limiting the first rotating shaft 320, thereby guiding the rotating direction of the first rotating shaft 320.

[0039] In one of the embodiments, the rotating member 410 comprises a pressing portion 411 and a connecting portion 412 connected with each other, the connecting portion 412 is rotationally connected with the pin shaft 420, and the connecting portion 412 is connected with the first rotating shaft 320.

[0040] It can be understood that the pin shaft 420 is lifted by the connecting portion 412 through pressing the pressing portion 411, and the pin shaft 420 is lowered by the connecting portion 412 through lifting the pressing portion 411, which improves the operation convenience of the flange limiting device 10A. In one of the embodiments, the pressing portion 411 is vertically arranged with the connecting portion 412, and the end of the pressing portion 411 away from the connecting portion 412 is arranged above the sliding member 310. It can be understood that the pressing portion 411 is pressed and lifted conveniently, which improves the operation convenience of the flange limiting device 10A.

[0041] In one of the embodiments, the length of the pressing portion 411 is greater than the length of the connecting portion 412. It can be understood that the rotating member 410 rotates around the axis of the first rotating shaft 320 to move in a lever manner, the length of the pressing portion 411 is greater than the length of the connecting portion 412, which makes it more labor-saving to press and lift the rotating member 410, and ensures the operation convenience of the flange limiting device 10A.

[0042] In one of the embodiments, the pressing portion 411 is provided with a pressing gap. It can be understood that the fingers can be placed on the pressing gap when the pressing portion 411 is pressed manually, which facilitates the pressing and improves the operation convenience of the flange limiting device 10A.

[0043] In one of the embodiments, the connecting portion 412 is provided with a mounting gap and a mounting through hole, and the pin shaft 420 is rotationally arranged in the mounting gap; the buckle assembly 400 is further provided with a second rotating shaft 430, the second rotating shaft 430 passes through the mounting gap and the mounting through hole respectively, the second rotating shaft 430 is fixedly connected with the pin shaft 420, and the second rotating shaft 430 is rotationally connected with the side wall of the mounting through hole.

[0044] It can be understood that the pin shaft 420 is rotationally connected with the rotating member 410 through the second rotating shaft 430, that is, the pin shaft 420 can rotate around the axis of the second rotating shaft 430, so that the axis of the pin shaft 420 is arranged in the vertical direction under the action of the gravity of the pin shaft 420, so that the pin shaft 420 is easy to enter and exit the flange hole 201, which improves the operation convenience of the pin shaft 420 movably arranged in the flange hole 201.

[0045] In one of the embodiments, the driving base 100 is further provided with an extension part, and the slide rail 330 is arranged on the extension part.

[0046] In one of the embodiments, the flange limiting device 10A further comprises a supporting part 40, which connects the supporting base 10 and the driving base 100.

[0047] In one of the embodiments, the first rotating shaft 320 is provided with a locking part at each end, the diameter of the locking part is greater than the hole diameter of the first sub-hole, and the diameter of the locking part is greater than the hole diameter of the second sub-hole.

[0048] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be further described in detail in combination with embodiments and drawings, by which the realization process of how to apply technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0049] It should be further noted that the above description is only the preferred embodiments of the utility model and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

Claims

1. A flange stop device, characterized by, The utility model relates to a flange pressing device, including: Support base; Driving mechanism, the driving mechanism includes driving base and power output, the driving base sets up on the support base, the driving base with power output drive connection; Mobile buckle pressure mechanism, the mobile buckle pressure mechanism includes mobile component and buckle pressure component, the mobile component sets up in the power output;The buckle pressure component includes rotatory connection's rotator and pin shaft, the rotator with mobile component rotatory connection, the pin shaft sets up in the rotator side away from mobile component, the pin shaft is used for the activity and is inserted in the flange hole;The power output drives the mobile component and drives the pin shaft to move towards the direction close to or away from the flange.

2. The flange stop device of claim 1, wherein The mobile component is equipped with sliding piece, the support base is provided with slide rail, and the sliding piece is slidably connected with the slide rail;The sliding piece is provided on the power output, and the rotator is rotatably connected with the sliding piece.

3. The flange stop device of claim 2, wherein, The sliding piece is provided with a receiving notch and a receiving through hole, and the rotator is rotatably arranged in the receiving notch; The mobile component is also provided with a first rotating shaft, the first rotating shaft passes through the receiving through hole and the receiving notch respectively, the first rotating shaft is fixedly connected with the rotator, and the first rotating shaft is rotatably connected with the side wall of the receiving through hole.

4. The flange stop device of claim 3, wherein The receiving through hole includes a first sub-hole and a second sub-hole, the first sub-hole is formed in the side wall of one side of the receiving notch, and the second sub-hole is formed in the side wall of the other side of the receiving notch, both ends of the first rotating shaft are rotatably arranged in the first sub-hole and the second sub-hole respectively.

5. The flange stop device of claim 3, wherein The rotator includes a pressing portion and a connecting portion connected with each other, the connecting portion is rotatably connected with the pin shaft, and the connecting portion is connected with the first rotating shaft.

6. The flange stop device of claim 5, wherein, The pressing portion is provided with a pressing notch.

7. The flange stop device of claim 5, wherein, The connecting portion is provided with a mounting notch and a mounting through hole, and the pin shaft is rotatably arranged in the mounting notch; The buckle pressure component is also provided with a second rotating shaft, the second rotating shaft passes through the mounting notch and the mounting through hole respectively, the second rotating shaft is fixedly connected with the pin shaft, and the second rotating shaft is rotatably connected with the side wall of the mounting through hole.

8. The flange stop device of claim 2, wherein, The driving base is also provided with an extension part, and the slide rail is arranged on the extension part.

9. The flange stop device of claim 1, wherein, The flange limiting device further includes a support portion connected to the support base and the driving base.

10. The flange stop device of claim 4, wherein, Both ends of the first rotating shaft are provided with locking portions, the diameter of the locking portion is greater than the hole diameter of the first sub-hole, and the diameter of the locking portion is greater than the hole diameter of the second sub-hole.

Images