CN211342820U

CN211342820U - Self-locking type elevator structure for mining and drilling

Info

Publication number: CN211342820U
Application number: CN201922401142.XU
Authority: CN
Inventors: 周斌
Original assignee: Chengdu Gaopu Petroleum Engineering Technology Co Ltd
Current assignee: Chengdu Gaopu Petroleum Engineering Technology Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-25
Anticipated expiration: 2029-12-27

Abstract

The utility model provides an exploitation drilling is with from locking-type elevator structure relates to oil, natural gas exploitation drilling equipment technical field. The method comprises the following steps: the fixing part comprises an elevator main body in a major arc shape, and lifting lugs are arranged at two ends of the elevator main body in an extending mode along the diameter; one end of the movable door is hinged with one side of the elevator main body through a first pin shaft, and the movable door is shaped like a minor arc; the locking piece is hinged with the other side of the elevator main body through a second pin shaft and can connect the movable door with the elevator main body to form a closed ring shape; the locking piece comprises an elastic connecting part and a matched locking block, one end of the elastic connecting part is hinged to the second pin shaft, and the other end of the elastic connecting part is connected with the matched locking block; a lock hole is arranged on the matching lock block; the outer side of the other end of the movable door is provided with a lock tooth matched with the lock hole, and the lock tooth and the lock hole can be buckled. This elevator structure, the design is simple reasonable, cup joints, release pipeline convenient operation is swift, and the centre gripping dynamics to the pipeline is big, can effectively prevent that the pipeline from taking off and taking off.

Description

Self-locking type elevator structure for mining and drilling

Technical Field

The utility model belongs to the technical field of oil, natural gas exploitation drilling equipment, concretely relates to exploitation drilling is with from locking-type elevator structure.

Background

The elevator can be used for fixing pipelines, is mainly used for hoisting drill pipes, oil pipes, sleeves and the like in the drilling and exploitation process of petroleum and natural gas, and is common hoisting and fixing equipment. During use, the elevator needs to grip the pipe, rotate to place and release the pipe. When the pipeline is clamped with the pipeline, the pipeline is usually in motion, an operator is required to rapidly clamp and lock the pipeline by the elevator, and meanwhile, the pipeline is guaranteed not to be loosened and dropped in the transportation process. The existing elevator is generally complex in structure, inconvenient to operate, long in pipe clamping operation and not beneficial to pipe clamping at an opening speed; and the clamping force is not enough, the self weight and the movement potential energy of the pipeline cannot be borne, and the loosening phenomenon is easy to occur, so that the danger is caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims at providing an exploitation drilling is with locking-type elevator structure, and it is complicated to solve the centre gripping operation, and is consuming time long, and the centre gripping dynamics is not enough, the problem that the pine takes off easily appears.

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

a self-locking elevator structure for mining and drilling comprises:

the fixing part comprises an elevator main body in a major arc shape, and lifting lugs are arranged at two ends of the elevator main body in an extending mode along the diameter;

one end of the movable door is hinged with one side of the elevator main body through a first pin shaft, and the movable door is shaped like a minor arc;

the locking piece is hinged with the other side of the elevator main body through a second pin shaft and can connect the movable door with the elevator main body to form a closed ring shape;

the locking piece comprises an elastic connecting part and a matched locking block, one end of the elastic connecting part is hinged to the second pin shaft, and the other end of the elastic connecting part is connected with the matched locking block; a lock hole is arranged on the matching lock block; the outer side of the other end of the movable door is provided with a lock tooth matched with the lock hole, and the lock tooth and the lock hole can be buckled.

Further, the elastic connection portion includes a hinge ring and a tension spring; the hinge ring is sleeved on the second pin shaft; one end of the extension spring is fixedly connected with the hinge ring, and the other end of the extension spring is fixedly connected with the matching locking block. The extension spring has reset elasticity after being extended, and can pull back the matched locking block to tightly close the elevator.

Furthermore, the elastic connecting part further comprises a limiting rod, the limiting rod penetrates through the extension spring, one end of the limiting rod is fixedly connected with the hinge ring, and the other end of the limiting rod is movably inserted in the limiting hole of the matching locking block.

Furthermore, the dodge gate is equipped with 3 lock teeth along the periphery, the corresponding 3 lockholes that are equipped with on the cooperation locking piece. The lock holes and the lock teeth can be buckled with 1 or 2 or 3 lock holes, so that the application range of the elevator is enlarged, and pipelines with various sizes can be hoisted; 2 or 3 lockholes and lock tooth lock joint, the fastening structure is firm reliable.

Furthermore, the locking teeth are arranged in an inclined mode, and the inclined direction of the locking teeth faces the hinged end of the movable door and the first pin shaft. After the locking piece is matched with the locking teeth which are obliquely arranged in a fastening mode, the locking piece and the locking teeth can be prevented from being loosened in a fastening mode in the using process under the pulling action force of the elastic connecting portion, and the clamping performance of the elevator is guaranteed.

Furthermore, a handle is arranged on the outer side of the movable door.

Furthermore, one end, far away from the elastic connecting part, of the matching locking block is provided with a lifting part which tilts outwards. The lifting part is arranged to facilitate the pulling of the locking part to perform the sleeving and the opening of the elevator.

Furthermore, the inner sides of the elevator main body and the movable door are respectively provided with a wear-resistant layer which is transversely distributed. The wear-resistant layer is arranged to prevent the elevator from being worn and deformed in the use process, so that the elevator fails; meanwhile, the friction force between the elevator and the pipeline is increased, and the hoisted pipeline falls off.

Compared with the prior art, the beneficial effects of the utility model are that:

the elevator structure of the utility model is provided with a locking piece which is buckled with the locking teeth outside the movable door through the locking hole matched with the locking block, so as to realize the closed connection of the elevator main body and the movable door; be equipped with elastic connection portion between the cooperation locking piece of retaining member and the second round pin axle, be convenient for cooperate locking piece and dodge gate lock joint to pulling cooperation locking piece and dodge gate make elevator main part and dodge gate closely cup joint on the pipeline of being connected, prevent that the elevator pine from taking off, the pipeline drops. This elevator structure, the design is simple reasonable, cup joints, release pipeline convenient operation is swift, and the centre gripping dynamics to the pipeline is big, can effectively prevent that the pipeline from taking off and taking off.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of the overall overlooking structure of the present invention.

Fig. 2 is a schematic structural view of the locking member of the present invention.

Fig. 3 is a schematic structural diagram of a portion B in fig. 2 according to the present invention.

Fig. 4 is a schematic view of a partial structure of the outer side of the middle sliding door of the present invention.

Fig. 5 is a schematic sectional view in the direction of a-a in fig. 1 according to the present invention.

Reference numerals:

1: a fixed part; 11: an elevator main body; 111: a wear layer; 12: lifting lugs; 13: a first pin shaft; 14: a second pin shaft; 2: a movable door; 21: locking teeth; 22: a handle; 3: a locking member; 31: an elastic connection portion; 32: matching with a locking block; 321: a lock hole; 311: a hinge ring; 312: an extension spring; 313: a limiting rod; 322: a limiting hole; 323: a pulling part.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the embodiment of the present invention provides a self-locking elevator structure for mining and drilling, which includes a fixing portion 1, a movable door 2 and a locking member 3. The fixing part 1 comprises an elevator main body 11 and lifting lugs 12, the elevator main body 11 is in a major arc shape, and the lifting lugs 12 comprise two lifting lugs and are arranged at two ends of the elevator main body 11 and extend along the diameter. The elevator main body 11 and the lifting lug 12 are of an integrated structure. The movable door 2 is in a minor arc shape, one end of the movable door is hinged with one side of the elevator main body 11 through a first pin shaft 13, the movable door 2 can rotate around the first pin shaft 13, and the movable door 2 and the elevator main body 11 can be spliced to form a circular structure. The locking piece 3 is hinged with the other side of the elevator main body 11 through a second pin shaft 14, the locking piece 3 can rotate around the second pin shaft 14, and the movable door 2 is connected with the elevator main body 11 to form a closed annular structure.

As shown in fig. 1 to 4, the locking member 3 includes an elastic connection portion 31 and a matching locking piece 32, one end of the elastic connection portion 31 is hinged to the second pin 14, and the other end is connected to the matching locking piece 32; the mating lock block 32 is provided with a lock hole 321. The outer side of the other end of the movable door 2, i.e. the outer side of the end far away from the first pin 13, is provided with a locking tooth 21, and the locking tooth 21 is matched with the locking hole 321 on the matching locking block 32. The locking hole 321 on the matching locking block 32 is matched and buckled with the locking tooth 21 on the outer side of the movable door 2, and the locking piece 3 is used for connecting the elevator main body 11 with the movable door in a closing way.

The elastic connecting portion 31 is stretchable and stretchable, and has a restoring function. When the locking piece 3 is buckled, the elastic connecting part 31 is stretched, so that the matched locking piece 32 and the locking tooth 21 of the movable door 2 are easy to buckle; after the fastening, the elastic connection portion 31 tends to automatically return, and the restoring force thereof pulls the locking block 32 backwards, so that the locking hole 321 of the locking block 32 is fastened with the locking tooth 21, thereby pressing the movable door 2 and increasing the clamping force of the elevator structure.

As shown in fig. 2 and 3, in a preferred embodiment, the elastic connection portion 31 includes a hinge ring 311 and a tension spring 312. The hinge ring 311 is sleeved on the second pin 14; one end of the extension spring 312 is fixedly connected with the hinge ring 311, and the other end of the extension spring 312 is fixedly connected with the end of the matching locking piece 32.

Furthermore, the elastic connection portion 31 may further include a limiting rod 313, the limiting rod 313 penetrates through the extension spring 312, one end of the limiting rod is fixedly connected with the hinge ring 311, and the other end of the limiting rod is movably inserted into the limiting hole 322 of the locking block 32. The expansion spring 312 is fixedly connected with the periphery of the opening of the limiting hole 322; the end part of the limiting rod 313 located in the limiting hole 322 is also provided with an anti-falling block, the opening of the limiting hole 322 is smaller than the anti-falling block, and the anti-falling block is always located in the limiting hole 322 and can prevent the limiting rod 313 from falling out of the limiting hole 322. So that the locking member 3 has a stable structure and is not easy to deviate by matching with the locking block 32.

Preferably, the number of the locking teeth 21 on the outer side of the movable door 2 is 3, and the 3 locking teeth 21 are distributed along the circumferential direction of the minor arc structure of the movable door 2. Correspondingly, the matching locking block 32 is provided with 3 matching locking holes 321. The 3 locking holes 321 and the 3 locking teeth 21 can be fastened only by 1, or 2 or 3.

Further, the locking teeth 21 are arranged obliquely. The inclination direction of the first pin shaft is towards the hinged end of the movable door 2 and the first pin shaft 13. After the matched locking piece 32 is fastened with the obliquely arranged locking tooth 21, the fastening of the matched locking piece 32 and the locking tooth 21 can be prevented from being loosened in the using process under the pulling action force of the elastic connecting part 31, and the clamping performance of the elevator is ensured.

Preferably, a handle 22 is further arranged on the outer side of the movable door 2; the end of the matching locking piece 32 far away from the elastic connecting part 31 is provided with a lifting part 323 tilting outwards. When the elevator is locked or unlocked, the operator holds the handle 22 with one hand and the lifting part 323 with the other hand, which is convenient for operation.

As shown in fig. 1 and 5, in a preferred embodiment, the inside of the elevator body 11 and the inside of the movable door 2 are provided with wear resistant layers 111 distributed laterally. The wear-resistant layer 111 may be a wear-resistant rubber layer, or may be a spray-welded wear-resistant alloy layer, such as a tungsten carbide wear-resistant layer. The wear-resistant layers 111 are transversely distributed at intervals, so that the elevator can be effectively prevented from being worn and deformed in the using process, and the elevator is prevented from losing efficacy; meanwhile, the friction force between the elevator and the pipeline is increased, the hoisted pipeline is prevented from falling, and the clamping performance is improved.

In the foregoing, only certain exemplary embodiments have been described briefly. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings, or are orientations and positional relationships conventionally understood by those skilled in the art, which are merely for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Claims

1. The utility model provides a mining drilling is with from locking-type elevator structure which characterized in that includes:

the elevator fixing device comprises a fixing part (1), wherein the fixing part (1) comprises an elevator main body (11) in a major arc shape, and lifting lugs (12) are arranged at two ends of the elevator main body (11) in an extending mode along the diameter;

one end of the movable door (2) is hinged with one side of the elevator main body (11) through a first pin shaft (13), and the movable door (2) is shaped like a minor arc;

the locking piece (3) is hinged with the other side of the elevator main body (11) through a second pin shaft (14), and the movable door (2) and the elevator main body (11) can be connected into a closed ring shape through the locking piece (3);

the locking piece (3) comprises an elastic connecting part (31) and a matched locking block (32), one end of the elastic connecting part (31) is hinged to the second pin shaft (14), and the other end of the elastic connecting part is connected with the matched locking block (32); a lock hole (321) is arranged on the matching lock block (32); the outer side of the other end of the movable door (2) is provided with a lock tooth (21) matched with the lock hole (321), and the lock tooth (21) and the lock hole (321) can be buckled.

2. The self-locking elevator structure for production drilling according to claim 1, wherein the elastic connection portion (31) comprises a hinge ring (311) and a tension spring (312); the hinged ring (311) is sleeved on the second pin shaft (14); one end of the extension spring (312) is fixedly connected with the hinged ring (311), and the other end of the extension spring is fixedly connected with the matched locking block (32).

3. The self-locking elevator structure for the mining and drilling as claimed in claim 2, wherein the elastic connecting portion (31) further comprises a limiting rod (313), the limiting rod (313) is arranged in the extension spring (312) in a penetrating manner, one end of the limiting rod is fixedly connected with the hinge ring (311), and the other end of the limiting rod is movably inserted into the limiting hole (322) of the matching locking block (32).

4. The self-locking elevator structure for mining and drilling as claimed in any one of claims 1 to 3, wherein the movable door (2) is provided with 3 locking teeth (21) along the periphery, and the matching locking block (32) is correspondingly provided with 3 locking holes (321).

5. The self-locking elevator structure for mining and drilling as claimed in claim 4, wherein the locking teeth (21) are arranged obliquely with the inclination directed towards the hinged end of the movable door (2) and the first pin (13).

6. The self-locking elevator structure for mining and drilling as claimed in claim 1 or 5, wherein a handle (22) is arranged outside the movable door (2).

7. The self-locking elevator structure for mining and drilling as claimed in claim 1 or 5, wherein one end of the matching locking block (32) far away from the elastic connecting part (31) is provided with a lifting part (323) which is tilted outwards.

8. The self-locking elevator structure for mining and drilling according to claim 1, wherein the inside of the elevator body (11) and the inside of the movable door (2) are provided with wear resistant layers (111) distributed transversely.