CN217270143U

CN217270143U - Anti-falling device for underground oil field

Info

Publication number: CN217270143U
Application number: CN202221157886.7U
Authority: CN
Inventors: 马玉甲; 王宝萍; 苗小瑞; 杨景立
Original assignee: Yanchang Oil Field Co Ltd
Current assignee: Yanchang Oil Field Co Ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-23
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses an anti-falling device for underground use in oil field, belonging to the technical field of anti-falling device, comprising a shell, wherein the bottom of the shell is welded with a first bottom plate, the inner side of the shell is rotationally connected with a winding drum through a bearing, the surface of the winding drum is wound with a nylon net, the end of the nylon net is fixedly connected with a connecting block, the surface of the connecting block is symmetrically provided with a through hole, one side of the shell is provided with a clamping block, the upper surface of the clamping block is provided with a clamping groove, the inner side of the clamping groove is symmetrically inserted with a pin, the bottom of the clamping block is welded with a second bottom plate, the pin and the inserting part of the bottom of the clamping groove are provided with a pin hole, the pin can block the well mouth through the nylon net, and can intercept the solid in the slurry sprayed from the well mouth through the nylon net, thereby effectively preventing the solid in the slurry from flying out and smashing workers, has good protection effect.

Description

Anti-falling device for underground oil field

Technical Field

The utility model relates to a technical field of anti-falling device, more specifically say, relate to an oil field is with falling thing device of preventing in pit.

Background

The underground operation is carried out in the field, the mobility is large, the environment is hard, and multiple kinds of cooperative construction are adopted; petroleum, natural gas, hydrogen sulfide and the like are inflammable and explosive toxic substances, the accident potential is more in the production process, the danger is larger, if the protective measures cannot be followed up, the production progress is influenced, the construction quality is reduced, the physical quality of workers can be reduced, and the life is threatened. Therefore, "safety is the first and the prevention is the main", catching safe production is one of the important management contents of production managers at all levels, and high attention should be paid.

When carrying out borehole operation, need regularly clear up the pipeline of well head department, need demolish the pipeline, then after the pipeline of well head department is demolishd, well head department can spout impurity such as mud owing to the factor of pressure, can be mingled with the solid in addition in the mud, injures the workman easily at the in-process that falls down, so we have proposed an oil field and have used anti-falling object device in the pit to solve the problem that above-mentioned exists.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an oil field is with preventing thing device that falls in pit, it can realize sheltering from well head department through the nylon wire, can hold back the solid in the mud of well head eruption through the nylon wire to can effectually prevent that the solid departure in the mud from and falling injures the workman by a crashing object, play fine protecting effect.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an oil field is with falling thing device of preventing in pit, includes the casing, the welding of casing bottom has first bottom plate, the casing inboard is rotated through the bearing and is connected with the winding reel, the winding reel surface has the nylon wire around rolling up, nylon wire end fixedly connected with connecting block of department, the through-hole has been seted up to connecting block surface symmetry, the fixture block is installed to casing one side, the draw-in groove has been seted up to the fixture block upper surface, the inboard symmetry of draw-in groove is pegged graft and is had the pin, the welding of fixture block bottom has the second bottom plate, the pinhole has been seted up with draw-in groove bottom grafting department to the pin, the roof is all installed to first bottom plate and second bottom plate bottom, and the roof is connected with first bottom plate and second bottom plate respectively through the bolt.

Further, a handle is installed at one end of the shell and is in transmission connection with the winding drum.

Further, the terminal fixed connection of nylon wire is in winding section of thick bamboo outer wall department, and nylon wire runs through casing department and is provided with a word hole, the piece size is greater than a word hole.

Furthermore, the clamping groove and the connecting block form an embedded structure.

Furthermore, the outer diameter of the bottom end of the pin is matched with the inner diameter of the pin hole, the diameter of the pin hole is the same as that of the through hole, and the through hole corresponds to the pin hole.

Further, the welding of roof lower surface has branch, the welding of branch bottom has the base, and the symmetry has seted up the mounting hole in base surface edge.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme, through installing casing and fixture block respectively and fixing in the both sides of oil well head, with the inboard of the draw-in groove that the connecting block joint was seted up at the fixture block top, then utilize the pin to pass through the through-hole through connection piece, then make the pin bottom peg graft to the inboard of pinhole, and then fixed to the nylon wire, when well head department has mud blowout, can hold back the solid in the mud through the nylon wire to can effectually prevent the solid departure in the mud and fall and injure the workman by a crashing object, play fine protecting effect.

(2) This scheme, through artifical handheld handle and drag its rotation to make the handle drive the winding drum and rotate, and then usable winding drum rolls nylon wire, is convenient for accomodate nylon wire.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a schematic view of the connecting block structure of the present invention;

fig. 4 is a schematic view of the external structure of the housing of the present invention;

FIG. 5 is a schematic view of the fixture block structure of the present invention;

fig. 6 is a schematic diagram of the pin hole structure of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 101. a handle; 102. a first base plate; 103. winding the roll; 104. a nylon mesh; 105. connecting blocks; 106. a through hole; 107. a straight hole;

2. a clamping block; 201. a card slot; 202. a pin; 203. a second base plate; 204. a pin hole;

3. a top plate; 301. a strut; 302. a base.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example (b):

referring to fig. 1-6, an oilfield underground falling prevention device comprises a shell 1, wherein a first bottom plate 102 is welded at the bottom of the shell 1, a winding drum 103 is rotatably connected to the inner side of the shell 1 through a bearing, a nylon net 104 is wound on the surface of the winding drum 103, a connecting block 105 is fixedly connected to the end of the nylon net 104, through holes 106 are symmetrically formed in the surface of the connecting block 105, a clamping block 2 is installed at one side of the shell 1, a clamping groove 201 is formed in the upper surface of the clamping block 2, pins 202 are symmetrically inserted into the inner side of the clamping groove 201, a second bottom plate 203 is welded at the bottom of the clamping block 2, a pin hole 204 is formed in the insertion position of the pins 202 and the bottom of the clamping groove 201, top plates 3 are installed at the bottoms of the first bottom plate 102 and the second bottom plate 203, and the top plates 3 are respectively connected with the first bottom plate 102 and the second bottom plate 203 through bolts;

through installing casing 1 and fixture block 2 respectively and fixing in the both sides of oil well wellhead, then drag the connecting block 105 of nylon net 104 tip through the manual work, thereby utilize the reel 103 to emit nylon net 104, make nylon net 104 shelter from well head top department, simultaneously through the inboard with the draw-in groove 201 that connecting block 105 joint was seted up at fixture block 2 top, it is corresponding with the pinhole 204 that the draw-in groove 201 inboard was seted up to make the through-hole 106 that sets up on the connecting block 105 simultaneously, then utilize pin 202 to pass through-hole 106 through connection piece 105, then make the inboard of pin 202 bottom grafting to pinhole 204, and then fix nylon net 104, when there is the mud blowout in well head department, can hold back the solid in the mud through nylon net 104.

Referring to fig. 1 and 2, a handle 101 is installed at one end of the housing 1, the handle 101 is in transmission connection with the winding drum 103, the handle 101 is held by a hand and is dragged to rotate, so that the handle 101 drives the winding drum 103 to rotate, the nylon net 104 can be wound by the winding drum 103, and the nylon net 104 can be conveniently stored.

Furthermore, the tail end of the nylon net 104 is fixedly connected with the outer wall of the winding drum 103, the nylon net 104 can be prevented from falling off from the winding drum 103, the nylon net 104 penetrates through the shell 1 and is provided with a straight hole 107, the size of the connecting block 105 is larger than that of the straight hole 107, the connecting block 105 can play the role of a limiting block by virtue of the fact that the size of the connecting block 105 is larger than that of the straight hole 107, when the connecting block 105 is abutted against the straight hole 107, the end of the nylon net 104 can be effectively prevented from entering the inner side of the shell 1,

referring to fig. 1, 3 and 5, the clamping groove 201 and the connecting block 105 form an embedded structure, which facilitates clamping between the connecting block 105 and the clamping block 2, thereby facilitating positioning of the connecting block 105.

Referring to fig. 1, 3 and 6, the outer diameter of the bottom end of the pin 202 is matched with the inner diameter of the pin hole 204, the diameters of the pin hole 204 and the through hole 106 are the same, the through hole 106 corresponds to the pin hole 204, the pin 202 penetrates through the connecting block 105 through the through hole 106, and then the bottom end of the pin 202 is inserted into the inner side of the pin hole 204, so that the nylon net 104 is conveniently fixed.

Referring to fig. 1, a support rod 301 is welded on the lower surface of the top plate 3, a base 302 is welded at the bottom end of the support rod 301, mounting holes are symmetrically formed in the edge of the surface of the base 302, and the base 302 is fixed on the ground through expansion bolts, so that the upper structure is stably supported.

When in use: through installing casing 1 and fixture block 2 respectively and fixing in the both sides of oil well wellhead, then drag the connecting block 105 of nylon net 104 tip through the manual work, thereby utilize the reel 103 to emit nylon net 104, make nylon net 104 shelter from well head top department, simultaneously through the inboard with the draw-in groove 201 that connecting block 105 joint was seted up at the top of fixture block 2, make the through-hole 106 that sets up on the connecting block 105 correspond with the pinhole 204 that the draw-in groove 201 inboard was seted up simultaneously, then utilize pin 202 to pass through-hole 106 through connection piece 105, then make the inboard of pegging graft to pinhole 204 in pin 202 bottom, and then fixed to nylon net 104, when there is mud blowout in well head department, can hold back the solid in the mud through nylon net 104, thereby can effectually prevent the solid departure in the mud and fall and injure the workman by a crashing, play fine safeguard effect.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an oil field is with preventing thing device that falls in pit which characterized in that: comprises a shell (1), a first bottom plate (102) is welded at the bottom of the shell (1), the inner side of the shell (1) is rotationally connected with a winding drum (103) through a bearing, a nylon net (104) is wound on the surface of the winding drum (103), the end of the nylon net (104) is fixedly connected with a connecting block (105), through holes (106) are symmetrically formed in the surface of the connecting block (105), a clamping block (2) is arranged on one side of the shell (1), a clamping groove (201) is formed in the upper surface of the clamping block (2), pins (202) are symmetrically inserted into the inner sides of the clamping grooves (201), a second bottom plate (203) is welded at the bottom of the clamping block (2), a pin hole (204) is arranged at the insertion position of the pin (202) and the bottom of the clamping groove (201), the bottom parts of the first bottom plate (102) and the second bottom plate (203) are both provided with a top plate (3), and the top plate (3) is respectively connected with the first bottom plate (102) and the second bottom plate (203) through bolts.

2. The device of claim 1, wherein the device comprises: handle (101) are installed to casing (1) one end, handle (101) are connected with take-up reel (103) transmission.

3. The device of claim 1, wherein the device comprises: the terminal fixed connection of nylon net (104) is in receipts reel (103) outer wall department, and nylon net (104) runs through casing (1) and locates to be provided with straight line hole (107), connecting block (105) size is greater than straight line hole (107).

4. The device of claim 1, wherein the device comprises: the clamping groove (201) and the connecting block (105) form an embedded structure.

5. The oilfield downhole fall arrest device of claim 1, wherein: the outer diameter of the bottom end of the pin (202) is matched with the inner diameter of the pin hole (204), the diameter of the pin hole (204) is the same as that of the through hole (106), and the through hole (106) corresponds to the pin hole (204).

6. The device of claim 1, wherein the device comprises: the welding of roof (3) lower surface has branch (301), branch (301) bottom welding has base (302), and base (302) surface edge has seted up the mounting hole symmetrically.