CN209855725U - Safety oil pipe elevator - Google Patents

Abstract

The utility model belongs to the technical field of oil machinery equipment, especially, safe oil pipe elevator does not prevent the shortcoming of mistake starting device to current ordinary elevator, and proposes following scheme, and it includes the elevator body, the hole has been seted up to the top side of elevator body, places downthehole oil pipe of having placed, and oil pipe's both ends all extend to outside placing the hole, and oil pipe's top fixed mounting has the oil pipe head, has seted up the notch on placing one side inner wall of hole, and movable mounting has the door of sealing in the notch, has seted up the fixed slot on one side inner wall of notch, and the door of sealing is close to one side fixed mounting of fixed slot and has the fixed plate. The utility model discloses simple structure, when the oil pipe cluster is sat on the elevator body, the safety pin is pressed down, and the elevator body can not be opened, only can normally open when being hoisted by the operation car to avoided the emergence of the well crash accident that leads to because of the maloperation, reduced the potential safety hazard, the security performance is high, has satisfied the user demand.

Description

Safety oil pipe elevator

Technical Field

The utility model relates to a petroleum machinery equipment technical field especially relates to a safe oil pipe elevator.

Background

In the well drilling engineering, an elevator is a tool for hoisting pipes such as drill pipes, oil pipes, casing pipes and the like, is hung in hoisting rings on two sides of a hook of a hoisting system so as to hoist or lower drilling tools, oil pipes and casing pipes in a well hole, and is a special tool for hoisting or lowering a pipe column in oil drilling.

The patent with the publication number of CN203531796U discloses an anticreep crescent oil pipe elevator, the problem that the thread tripping phenomenon often appears in the threaded connection of crescent moon and handle pin and influences the safety in production is solved, through adopting the penetrating connection mode, the tripping phenomenon is avoided, the safety in production is reached, at present, the ordinary elevator does not prevent the device of mistake start, when the well site operation, often because of the carelessness of operating personnel, at oil pipe not the knot yet, just open the elevator, prepare to lift oil pipe, consequently, cause the instrument well fall in the pit, cause very big loss, consequently, need a high security performance prevent maloperation oil pipe elevator.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the common elevator does not prevent the error starting device in the prior art, and providing a safe oil pipe elevator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a safe oil pipe elevator comprises an elevator body, wherein a placing hole is formed in the top side of the elevator body, an oil pipe is placed in the placing hole, two ends of the oil pipe extend out of the placing hole, an oil pipe head is fixedly mounted at the top end of the oil pipe, a notch is formed in the inner wall of one side of the placing hole, a sealing door is movably mounted in the notch, a fixing groove is formed in the inner wall of one side of the notch, a fixing plate is fixedly mounted at one side, close to the fixing groove, of the sealing door, one side of the fixing plate extends into the fixing groove, a groove is formed in the top side of the elevator body, a moving hole is formed in the inner wall of the bottom side of the groove in the vertical direction, the moving hole is communicated with the fixing groove, a fastening groove located in the fixing groove is formed in the top side of the fixing plate, a fastening rod is, the top side of safety pin and the bottom side looks adaptation of oil pipe head, the mounting groove has been seted up on the one side inner wall that the fixed slot was kept away from to the notch, seals the door and is close to mounting groove one side fixed mounting and have the erection column, and one side of erection column extends to in the mounting groove, and when the oil pipe cluster was sat on the elevator body, the safety pin was pressed down, and the elevator body can not be opened, only can normally open by the operation car when lifting to avoided the emergence of the accident of falling into the well that leads to because of the maloperation, reduced the potential safety hazard.

Preferably, an L-shaped hole is formed in one side of the fixing plate, a clamping groove is formed in the inner wall of the bottom side of the fixing groove, a clamping rod is movably mounted in the L-shaped hole, the bottom end of the clamping rod extends into the clamping groove, and after the sealing door rotates to enable the fixing plate to rotate into the fixing groove, the sealing door is convenient and fast to fix.

Preferably, the top fixed mounting of kelly has the handle, and outside the one end of handle extended to L type hole, the handle was adjusted more conveniently.

Preferably, all seted up the spacing groove on the both sides inner wall in removal hole, two equal slidable mounting in the spacing groove have the stopper, and one side that two stoppers are close to each other is fixed mounting respectively on the both sides of anchorage bar, and is spacing to the carriage release lever, makes it reciprocate not rock.

Preferably, the fastening rod is movably sleeved with a spring, the top end of the spring is fixedly installed on the bottom side of the limiting block, the bottom end of the spring is fixedly installed on the inner wall of the bottom side of the limiting groove, and the oil pipe head is automatically reset through the safety pin after being hoisted.

Preferably, the equal fixed mounting in both ends of erection column has the axis of rotation that is located the mounting groove, has all seted up on the top side of mounting groove and the bottom side inner wall and has rotated the groove, and the one end that two axis of rotation kept away from each other rotates respectively and installs at two rotation inslots.

In the utility model, the safe oil pipe elevator is used by matching the fixed groove, the fixed plate, the groove, the moving hole, the fastening rod, the safety pin, the fastening groove and the limiting block, when the oil pipe string sits on the elevator body, the safety pin is pressed down by the oil pipe head, the safety pin drives the fastening rod to move downwards and is clamped into the fastening groove, so that the fixed plate is fixed with the fastening rod, at the moment, even if the elevator body is opened without buckling the oil pipe due to the negligence of an operator, the elevator body still cannot be opened, thereby avoiding the occurrence of well falling accidents caused by misoperation and reducing the potential safety hazard;

the utility model discloses simple structure, when the oil pipe cluster is sat on the elevator body, the safety pin is pressed down, and the elevator body can not be opened, only can normally open when being hoisted by the operation car to avoided the emergence of the well crash accident that leads to because of the maloperation, reduced the potential safety hazard, the security performance is high, has satisfied the user demand.

Drawings

Fig. 1 is a schematic front view of a safety tubing elevator according to the present invention;

fig. 2 is a schematic top view of the safety tubing elevator of the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 1 of a safety oil pipe elevator according to the present invention;

fig. 4 is a schematic side view of the safety tubing elevator of the present invention.

In the figure: the elevator comprises an elevator body 1, a placing hole 2, a notch 3, a sealing door 4, an oil pipe 5, an oil pipe head 6, a fixing groove 7, a fixing plate 8, a groove 9, a moving hole 10, a fastening rod 11, a safety pin 12, a fastening groove 13, a limiting block 14, an installation groove 15, an installation column 16, a rotating shaft 17, a rotating groove 18, an L-shaped hole 19, a clamping groove 20, a clamping rod 21 and a handle 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a safe oil pipe elevator comprises an elevator body 1, a placing hole 2 is formed in the top side of the elevator body 1, an oil pipe 5 is placed in the placing hole 2, both ends of the oil pipe 5 extend out of the placing hole 2, an oil pipe head 6 is fixedly installed at the top end of the oil pipe 5, a notch 3 is formed in one side inner wall of the placing hole 2, a sealing door 4 is movably installed in the notch 3, a fixing groove 7 is formed in one side inner wall of the notch 3, a fixing plate 8 is fixedly installed at one side of the sealing door 4 close to the fixing groove 7, one side of the fixing plate 8 extends into the fixing groove 7, a groove 9 is formed in the top side of the elevator body 1, a moving hole 10 is formed in the bottom side inner wall of the groove 9 along the vertical direction, the moving hole 10 is communicated with the fixing groove 7, a fastening groove 13 located in the fixing groove 7 is, bottom and fastening groove 13 looks adaptation of anchorage bar 11, recess 9 and fixed mounting have safety pin 12 are run through on the top of anchorage bar 11, the top side of safety pin 12 and the bottom side looks adaptation of oil pipe head 6, mounting groove 15 has been seted up on the one side inner wall that fixed slot 7 was kept away from to notch 3, it has erection column 16 to seal door 4 to be close to mounting groove 15 one side fixed mounting, one side of erection column 16 extends to in the mounting groove 15, when oil pipe 5 cluster is sat on elevator body 1, safety pin 12 is pressed down, elevator body 1 can not be opened, only can normally open when being hoisted by the operation car, thereby avoided the emergence of the well accident that leads to because of the maloperation, the potential safety hazard has been reduced.

The utility model discloses in, L type hole 19 has been seted up to one side of fixed plate 8, has seted up draw-in groove 20 on the bottom side inner wall of fixed slot 7, and movable mounting has kelly 21 in the L type hole 19, and in the bottom of kelly 21 extended to draw-in groove 20, seal door 4 and rotate and make fixed plate 8 change to fixed slot 7 in the back, convenient will seal door 4 fixedly.

The utility model discloses in, the top fixed mounting of kelly 21 has handle 22, and outside handle 22's one end extended to L type hole 19, handle 22 adjusted more conveniently.

The utility model discloses in, all seted up the spacing groove on the both sides inner wall of removal hole 10, two equal slidable mounting in the spacing groove have stopper 14, and one side that two stoppers 14 are close to each other is fixed mounting respectively on the both sides of anchorage bar 11, and is spacing to carriage release lever 11, makes it reciprocate not rock.

The utility model discloses in, the spring has been cup jointed in the activity on the anchorage bar 11, and the top fixed mounting of spring is on the bottom side of stopper 14, and the bottom fixed mounting of spring is on the bottom side inner wall of spacing groove, and 12 automatic re-setting of back safety pin are hoisted to oil pipe head 6.

The utility model discloses in, the equal fixed mounting in both ends of erection column 16 has the axis of rotation 17 that is located mounting groove 15, has all seted up rotation groove 18 on the top side of mounting groove 15 and the bottom side inner wall, and the one end that two axis of rotation 17 kept away from each other rotates respectively and installs in two rotation grooves 18.

In the utility model, the oil pipe 5 is placed in the placing hole 2 on the elevator body 1, the sealing door 4 is rotated, the mounting column 16 rotates in the two rotating grooves 18 through the two rotating shafts 17 respectively until one side of the fixing plate 8 rotates into the fixing groove 7, the handle 22 is shifted downwards, the handle 22 drives the clamping rod 21 to move downwards until the bottom end of the clamping rod 21 is clamped into the clamping groove 20, thereby fixing the sealing door 4 and the elevator body 1, when the oil pipe 5 sits on the elevator body 1 in series, the safety pin 12 is pressed down by the oil pipe head 6, the safety pin 12 drives the fastening rod 11 to move downwards and is clamped into the fastening groove 13, so that the fixing plate 8 and the fastening rod 11 are fixed, at the moment, even if the elevator body 1 is opened without being buckled by the operator, the elevator body 1 still can not be opened, thereby avoiding the occurrence of well falling accidents caused by misoperation, the potential safety hazard is reduced, when the oil pipe 5 and the oil pipe head 6 are hoisted by the operation vehicle, the safety pin 12 is popped up under the rebounding action of the spring, and the sealing door 4 can be normally opened through the handle 22.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A safe oil pipe elevator comprises an elevator body (1) and is characterized in that a placing hole (2) is formed in the top side of the elevator body (1), an oil pipe (5) is placed in the placing hole (2), two ends of the oil pipe (5) extend out of the placing hole (2), an oil pipe head (6) is fixedly mounted at the top end of the oil pipe (5), a notch (3) is formed in the inner wall of one side of the placing hole (2), a sealing door (4) is movably mounted in the notch (3), a fixing groove (7) is formed in the inner wall of one side of the notch (3), a fixing plate (8) is fixedly mounted at one side, close to the fixing groove (7), of the sealing door (4), one side of the fixing plate (8) extends into the fixing groove (7), a groove (9) is formed in the top side of the elevator body (1), and a moving hole (10) is formed in the inner wall of the, remove hole (10) and be linked together with fixed slot (7), fastening groove (13) that are located fixed slot (7) are seted up to the top side of fixed plate (8), and movable mounting has anchorage bar (11) in removing hole (10), the bottom and fastening groove (13) looks adaptation of anchorage bar (11), and recess (9) and fixed mounting have safety pin (12) are run through on the top of anchorage bar (11), the top side of safety pin (12) and the bottom side looks adaptation of oil pipe head (6), mounting groove (15) have been seted up on one side inner wall of fixed slot (7) is kept away from in notch (3), seal door (4) and be close to mounting groove (15) one side fixed mounting have erection column (16), and one side of erection column (16) extends to in mounting groove (15).

2. The safety oil pipe elevator as claimed in claim 1, wherein one side of the fixing plate (8) is provided with an L-shaped hole (19), the inner wall of the bottom side of the fixing groove (7) is provided with a clamping groove (20), a clamping rod (21) is movably mounted in the L-shaped hole (19), and the bottom end of the clamping rod (21) extends into the clamping groove (20).

3. The safety tubing elevator as claimed in claim 2, wherein a handle (22) is fixedly mounted at the top end of the clamping rod (21), and one end of the handle (22) extends out of the L-shaped hole (19).

4. The safety tubing elevator as claimed in claim 1, wherein the inner walls of the two sides of the moving hole (10) are provided with limiting grooves, the limiting blocks (14) are slidably mounted in the two limiting grooves, and the sides of the two limiting blocks (14) close to each other are fixedly mounted on the two sides of the fastening rod (11) respectively.

5. The safety tubing elevator as claimed in claim 1, wherein the fastening rod (11) is movably sleeved with a spring, the top end of the spring is fixedly mounted on the bottom side of the limiting block (14), and the bottom end of the spring is fixedly mounted on the inner wall of the bottom side of the limiting groove.

6. The safety tubing elevator as claimed in claim 1, wherein both ends of the mounting post (16) are fixedly mounted with a rotating shaft (17) positioned in the mounting groove (15), the top and bottom inner walls of the mounting groove (15) are respectively provided with a rotating groove (18), and the ends of the two rotating shafts (17) far away from each other are respectively rotatably mounted in the two rotating grooves (18).