Lift sub anti-falling device for oil drilling

Abstract

The utility model relates to the technical field of elevator disengagement prevention, in particular to an elevator disengagement prevention device for oil drilling, which comprises a first elevator ring, a second elevator ring, an anti-disengagement display mechanism, a second elevator ring, an anti-disengagement display mechanism and an anti-disengagement display mechanism. The anti-disengaging display mechanism used for displaying that the anti-disengaging component stably moves to the anti-disengaging position is arranged on one side of the first elevator ring and one side of the second elevator ring, the anti-disengaging display mechanism comprises a connecting block fixedly installed on one side of the second elevator ring, a display assembly is arranged on one side of the first elevator ring, and the connecting block is fixedly installed on one side of the second elevator ring. A separation assembly is arranged on one side of the display assembly; when the elevator is used, the installation process of the anti-falling part can be confirmed and displayed through the display assembly, so that whether the elevator is stably connected or not is rapidly known, the problem that the elevator falls off due to the fact that the anti-falling part is not completely fixed is solved, and when the anti-falling part is separated, rapid separation is conducted through the separation assembly, and the elevator is quite convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of prevent the detachment of elevator, and particularly relates to prevent the detachment of elevator for petroleum drilling. BACKGROUND

[0002] In petroleum drilling operation, the elevator is mainly used for clamping, lifting and fixing the drill pipe, casing or other drilling pipe column, to ensure the stability and controllability of the pipe column in the drilling operation, and a prevent detachment device is usually arranged to prevent the detachment of the elevator during the drilling operation.

[0003] As shown in the reference case "prevent detachment protection device for petroleum drilling elevator" with the announcement number "CN221074134U", the device can be adapted to the mechanical drilling machine, and the positioning mode of the threaded screw structure can avoid the problem of stability decline after long-time use.

[0004] The existing prevent detachment device for the elevator lacks an intuitive confirmation mechanism during installation, and cannot clearly display whether the elevator has been stably connected, so that if the prevent detachment device is not completely fixed, the elevator may still be detached due to the locking failure of the prevent detachment component during the operation, thereby affecting the operation safety.

[0005] Therefore, the prevent detachment device for the petroleum drilling elevator is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims to provide the prevent detachment device for the petroleum drilling elevator to solve the above problems, and improve the problem that the existing prevent detachment device for the elevator lacks an intuitive confirmation mechanism during installation, and cannot clearly display whether the elevator has been stably connected, so that if the prevent detachment device is not completely fixed, the elevator may still be detached due to the locking failure of the prevent detachment component during the operation, thereby affecting the operation safety.

[0007] The utility model realizes the above-mentioned purpose through the following technical scheme, the prevent detachment device for the petroleum drilling elevator comprises: a first elevator ring and a second elevator ring, one side of the first elevator ring and the second elevator ring is hingedly connected; a prevent detachment display mechanism is arranged on one side of the first elevator ring and the second elevator ring, and is used for displaying that the prevent detachment component is stably moved to the prevent detachment position; wherein the prevent detachment display mechanism comprises a connecting block fixedly installed on one side of the second elevator ring, one side of the first elevator ring is provided with a display assembly, one side of the display assembly is provided with a separation assembly, and in use, the installation process of the prevent detachment component can be confirmed and displayed through the display assembly, so that whether the elevator is stably connected can be quickly understood, the detachment of the elevator caused by the incomplete fixing of the prevent detachment component is avoided, and the prevent detachment component can be quickly separated through the separation assembly when the prevent detachment component is separated, which is very convenient.

[0008] Preferably, the display assembly comprises two contact blocks fixedly installed on one side of the first hanging clasp, both of the two contact blocks are located on the two sides of the connecting block, both sides of the connecting block are provided with limiting holes, both sides of the two contact blocks are fixedly installed with fixed frames, both of the two fixed frames are slidingly installed with limiting rods, one end of both of the two limiting rods penetrates through the corresponding contact block, the surface of the limiting rod is fixedly installed with a display ring, in use, the first hanging clasp and the second hanging clasp can be moved close to each other, the connecting block is moved between the two contact blocks, the limiting rods on the two sides of the two contact blocks are moved into the corresponding limiting holes respectively, and the display ring is moved synchronously driven by the limiting rods, by observing the position of the display ring, it can be directly judged whether the anti-falling part is correctly installed in place, not only the visual confirmation of the hanging clasp anti-falling state is realized, but also the stability of the anti-falling part is ensured, and the accidental falling of the hanging clasp in the operation process caused by incorrect installation is avoided.

[0009] Preferably, the display ring is located on one side of the fixed frame, one end of the limiting rod is provided in a semicircular shape, when the limiting rod contacts the connecting block, the resistance of the limiting rod in the process of entering the limiting hole can be reduced through one end of the semicircle, so that it can smoothly enter the limiting hole when the connecting block moves.

[0010] Preferably, the surface of the limiting rod is fixedly installed with a fixed ring, the fixed ring is located in the inside of the fixed frame, the inside of the fixed frame is fixedly installed with a spring, the other end of the spring is fixedly connected with the fixed ring, in use, the fixed ring is moved by the spring, so as to synchronously drive the limiting rod to move towards the connecting block, so that the limiting rod is more stable in use.

[0011] Preferably, both sides of the connecting block are provided with guide grooves, both of the two guide grooves are communicated with the two limiting holes, when the limiting rod contacts the connecting block, it will enter the corresponding guide groove, and there is a clear sliding path before entering the limiting hole, so as to avoid the jam caused by position deviation during installation, and improve the assembly smoothness.

[0012] Preferably, the separation assembly comprises a bidirectional screw rod arranged on one side of the two contact blocks, the surface of the bidirectional screw rod is threadedly connected with two movable pipes, and both of the two movable pipes are located on one side of the two display rings, when separation is needed, the two movable pipes are moved synchronously driven by rotating the bidirectional screw rod, so that the two movable pipes are in contact with the display rings respectively, the limiting rods are moved by synchronously pushing the two display rings, so that they are quickly separated from the limiting holes, which is very convenient.

[0013] Preferably, one side of the two contact blocks is provided with a connecting groove, one side of the two movable pipes is slidably connected with the corresponding connecting groove, and the top end of the bidirectional screw rod is fixedly installed with a knob.

[0014] The utility model discloses the beneficial effects are:

[0015] 1, in use can confirm the display of the installation process of the anti -drop part through the display component, thereby the quick understanding whether the lifting clamp is firmly connected, avoid the problem that the lifting clamp falls because of the anti -drop part not completely fixed, and when separating the anti -drop part, through the quick separation of separating component, it is very convenient;

[0016] 2, when needing to separate, can through the rotation bidirectional screw rod synchronous drive two movable pipes move, make two movable pipes respectively with display ring contact, through the synchronous promotion two display rings to drive the movement of the limiting rod, make it quick with the limiting hole separation, very convenient. DRAWINGS

[0017] Figure 1 It is the main body structure schematic diagram of the utility model;

[0018] Figure 2 It is the anti -drop display mechanism structure schematic diagram of the utility model;

[0019] Figure 3 It is the display component structure schematic diagram of the utility model;

[0020] Figure 4 It is the separating component structure schematic diagram of the utility model.

[0021] In the drawing: 1, first lifting clamp ring;2, second lifting clamp ring;3, anti -drop display mechanism;31, connecting block;32, display component;321, limiting hole;322, contact block;323, fixed frame;324, limiting rod;325, fixed ring;326, spring;327, display ring;328, guide slot;33, separating component;331, bidirectional screw rod;332, movable pipe;333, connecting groove;334, knob. DETAILED DESCRIPTION

[0022] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In practical implementation: such as Figures 1-4 As shown, the oil drilling jack anti-detachment device includes: a first jack ring 1 and a second jack ring 2, with one side of the first jack ring 1 and the second jack ring 2 hinged together; an anti-detachment display mechanism 3, used to display the stable movement of the anti-detachment component to the anti-detachment position, is disposed on one side of the first jack ring 1 and the second jack ring 2; wherein, the anti-detachment display mechanism 3 includes a connecting block 31 fixedly installed on one side of the second jack ring 2, a display component 32 is disposed on one side of the first jack ring 1, and a separation component 33 is disposed on one side of the display component 32. During use, the installation process of the anti-detachment component can be confirmed and displayed through the display component 32, thereby quickly understanding whether the jack is securely connected, avoiding the problem of the jack falling off due to the anti-detachment component not being completely fixed, and when separating the anti-detachment component, it can be quickly separated through the separation component 33, which is very convenient;

[0024] Both the oil drilling jack and the anti-detachment component can be used normally. The display component 32 only enables visual confirmation of the anti-detachment component. During the installation process, it can be intuitively judged whether the anti-detachment component is locked. It will not affect the normal use of the oil drilling jack and the anti-detachment component. The separation component 33 enables the anti-detachment component to be quickly separated when it needs to be disassembled, without affecting its original use.

[0025] like Figure 2 , Figure 3 and Figure 4 As shown, the display component 32 includes two contact blocks 322 fixedly installed on one side of the first hanging ring 1. The two contact blocks 322 are located on both sides of the connecting block 31. Limiting holes 321 are opened on both sides of the connecting block 31. Fixing frames 323 are fixedly installed on both sides of the two contact blocks 322, and limiting rods 324 are slidably installed on both fixing frames 323. One end of each limiting rod 324 passes through the corresponding contact block 322. A display ring 327 is fixedly installed on the surface of the limiting rod 324. In use, the first hanging ring 1 and the second hanging ring 2 can be brought closer together. By moving the connecting block 31 between the two contact blocks 322, the limiting rods 324 on one side of the two contact blocks 322 are... Do not move it into the corresponding limiting hole 321, and the limiting rod 324 simultaneously drives the display ring 327 to move. By observing the position of the display ring 327, it is possible to intuitively judge whether the anti-detachment component is correctly installed. This not only realizes the visual confirmation of the anti-detachment status of the hanging clamp, but also ensures the stability of the anti-detachment component and avoids the hanging clamp from accidentally falling off during operation due to improper installation. The display ring 327 is located on one side of the fixed frame 323. One end of the limiting rod 324 is set to a semi-circular shape. When the limiting rod 324 contacts the connecting block 31, the resistance of the limiting rod 324 entering the limiting hole 321 can be reduced by the semi-circular end, so that it can slide smoothly into the limiting hole 321 when the connecting block 31 moves.

[0026] The surface of the limiting rod 324 is fixedly installed with a fixed ring 325, the fixed ring 325 is located in the inside of the fixed frame 323, the inside of the fixed frame 323 is fixedly installed with a spring 326, the other end of the spring 326 is fixedly connected with the fixed ring 325, the limiting rod 324 can move by pushing the fixed ring 325 through the spring 326 during use, so as to synchronously drive the limiting rod 324 to move to the direction of the connecting block 31, so that the limiting rod 324 is more stable during use, the two sides of the connecting block 31 are both provided with a guide groove 328, the two guide grooves 328 are respectively communicated with the two limiting holes 321, when the limiting rod 324 contacts with the connecting block 31, it will enter the corresponding guide groove 328, and there is a clear sliding path before entering the limiting hole 321, so that the jamming caused by the position deviation during installation is avoided, and the assembly smoothness is improved.

[0027] As shown in Figure 2 and Figure 4 The separation assembly 33 includes a bidirectional screw 331 arranged on one side of the two contact blocks 322, the surface of the bidirectional screw 331 is threadedly connected with two movable pipes 332, and the two movable pipes 332 are located on one side of the two display rings 327, when separation is needed, the two movable pipes 332 can be driven to move synchronously by rotating the bidirectional screw 331, so that the two movable pipes 332 are in contact with the display rings 327, the limiting rod 324 is driven to move by synchronously pushing the two display rings 327, so that it is quickly separated from the limiting hole 321, and the separation is very convenient, one side of the two contact blocks 322 is provided with a connecting groove 333, one side of the two movable pipes 332 is slidably connected with the corresponding connecting groove 333, and the top end of the bidirectional screw 331 is fixedly installed with a knob 334, so that the movable pipe 332 can be limited and guided by the connecting groove 333 during movement, so that the movable pipe 332 can be stably driven by the bidirectional screw 331.

[0028] The utility model discloses a first hanging card ring 1 and second hanging card ring 2 are approached each other through in use, through the connecting block 31 is removed to two contact blocks 322 between, when two contact blocks 322 one side's spacing pole 324 removes to corresponding limit hole 321 respectively, and spacing pole 324 synchronous drive display ring 327 moves, through the position of observation display ring 327, can directly judge whether the anti -disengagement part is correct installation in place, not only realized the visualization confirmation of hanging card anti -disengagement state, can also ensure the stability of anti -disengagement part, avoid because install not in place and lead to the accidental drop of hanging card in the operation process, spacing pole 324 can push fixed ring 325 and move through spring 326 when using, thereby synchronous drive spacing pole 324 and move to the direction of connecting block 31, make spacing pole 324 more stable when using, when spacing pole 324 and connecting block 31 contact, will enter corresponding guide slot 328, have definite sliding path before entering limit hole 321, avoid the stagnation of card because of the position deviation during installation, improve the assembly smoothness, when needing to separate, can through the synchronous drive two movable tubes 332 of rotating two -way screw rod 331 and move, let two movable tubes 332 respectively with display ring 327 contact, through the synchronous pushing two display rings 327 to drive spacing pole 324 and move, make it fast and limit hole 321 separate, very convenient.

[0029] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A slip device for use in oil drilling, characterized in that, The utility model relates to a first hanging ring (1) and second hanging ring (2), one side of first hanging ring (1) and second hanging ring (2) are hinged to each other, prevent the display mechanism (3) for showing that the anti -drop part is stably moved to the anti -drop position, and the anti -drop display mechanism (3) is arranged on one side of first hanging ring (1) and second hanging ring (2), wherein the anti -drop display mechanism (3) includes the connecting block (31) fixedly installed on one side of second hanging ring (2), one side of first hanging ring (1) is provided with display assembly (32), one side of display assembly (32) is provided with separation component (33). The display assembly (32) includes two contact blocks (322) fixedly installed on one side of the first hanging ring (1), both sides of the connecting block (31) are provided with a limiting hole (321), both sides of the two contact blocks (322) are fixedly installed with a fixed frame (323), and both sides of the two fixed frames (323) are slidably installed with a limiting rod (324), one end of the two limiting rods (324) penetrates the corresponding contact block (322), and the surface of the limiting rod (324) is fixedly installed with a display ring (327). The display ring (327) is located on one side of the fixed frame (323), and one end of the limiting rod (324) is provided in a semicircular shape. The surface of the limiting rod (324) is fixedly installed with a fixed ring (325), the fixed ring (325) is located in the inside of the fixed frame (323), the inside of the fixed frame (323) is fixedly installed with a spring (326), and the other end of the spring (326) is fixedly connected with the fixed ring (325).

2. The elevator anti-drop device for oil drilling according to claim 1, characterized in that: Both sides of the connecting block (31) are provided with a guide groove (328), and the two guide grooves (328) are communicated with the two limiting holes (321) respectively.

3. The elevator anti-drop device for oil drilling according to claim 2, characterized in that: The separation component (33) includes a bidirectional screw rod (331) arranged on one side of the two contact blocks (322), the surface of the bidirectional screw rod (331) is threadedly connected with two movable pipes (332), and both sides of the two movable pipes (332) are located on one side of the two display rings (327).

4. The elevator anti-drop device for oil drilling according to claim 2, characterized in that: Both sides of the two contact blocks (322) are provided with a connecting groove (333), both sides of the two movable pipes (332) are slidably connected with the corresponding connecting grooves (333), and the top end of the bidirectional screw rod (331) is fixedly installed with a knob (334).

5. The elevator anti-drop device for oil drilling according to claim 1, characterized in that: ​ 6. The elevator anti-drop device for oil drilling according to claim 1, characterized in that: ​ 7. The elevator anti-drop device for oil drilling according to claim 6, characterized in that: ​

Images