CN215137268U - Gravel and sand filtration system for oil exploration and exploitation - Google Patents
Gravel and sand filtration system for oil exploration and exploitation Download PDFInfo
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- CN215137268U CN215137268U CN202023215955.9U CN202023215955U CN215137268U CN 215137268 U CN215137268 U CN 215137268U CN 202023215955 U CN202023215955 U CN 202023215955U CN 215137268 U CN215137268 U CN 215137268U
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Abstract
The utility model relates to an oil filtration technology field just discloses a gravel and sand filtration system for oil exploration exploitation, including filtering the box, the both sides of filtering the box all are connected with two fixed plates, the bottom of fixed plate is connected with the pneumatic cylinder, the bottom of pneumatic cylinder is connected with the hydraulic stem, the bottom of hydraulic stem is connected with the fixed block, the bottom of fixed block is provided with removes the wheel, the surface connection of pneumatic cylinder has spacing post, the internal connection who filters the box has the support bar, the top of support bar is connected with the filter, the spread groove has been seted up to the left side inner wall top of filtering the box. This gravel and sand filtration system for oil exploration exploitation through the structure that is provided with fixed plate, pneumatic cylinder, hydraulic stem and fixed block on the gag lever post, starts the pneumatic cylinder and can drive the fixed block and reciprocate, through the structure that is provided with fixed block and removal wheel on the hydraulic stem, can be convenient for the removal of this device.
Description
Technical Field
The utility model relates to an oil filtration technology field specifically is a gravel and sand filtration system is used in oil exploration exploitation.
Background
The petroleum exploration refers to the process of understanding the underground geological condition by various exploration means, knowing the conditions of crude oil, oil storage, oil and gas migration, accumulation, storage and the like, comprehensively evaluating the oil and gas-containing prospect, determining the favorable area of oil and gas accumulation, finding the trap of the oil and gas storage, exploring the area of an oil and gas field and clearing the condition and the output capacity of an oil and gas reservoir, wherein the main exploration methods comprise the following four types: the geological method, the geophysical method, the geochemical method and the drilling method, one of the main objects of petroleum and geological exploration is viscous and dark brown liquid which is called industrial blood, the upper part of the crust of the earth has petroleum storage, the main component of the petroleum storage is a mixture of various alkanes, cyclanes and aromatic hydrocarbons, the petroleum exploitation refers to the action of excavating and extracting petroleum in places with petroleum storage, and a filtering device is needed when filtering sand and stones after the petroleum exploitation.
The utility model discloses an oil exploration mining gravel and sand filter equipment that has issued in china in utility model patent application publication specification CN211486751U, this patent possess many times filter and can clear up the advantage of filter, made things convenient for the user to use, improved filter equipment's practicality, through the setting of output tube and control valve, can be with the oil and the gravel and sand after the filtration through discharging, through setting up the control valve, can control the size of discharge capacity, but foretell device:
(1) through holes are formed in two sides of the filtering box body to clean and replace the filtering plates, but under the condition of wind, some dust, sundries and pollutants enter the filtering box body to pollute petroleum in the filtering box body;
(2) because the volume of present gravel and sand filter equipment is great, it is extremely inconvenient when removing gravel and sand filter equipment, be not convenient for change gravel and sand filter equipment's position.
We have therefore proposed a sand and stone filtering system for oil exploration and exploitation in order to solve the problems set forth above.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art's not enough in the above-mentioned background art, the utility model aims to provide an oil exploration is sand and stone filtration system for exploitation to solve some oil exploration on the existing market that provide in the above-mentioned background art and exploit sand and stone filtration system, there is the inside that has some dust, debris and pollutant entering filter box and the problem of being not convenient for remove.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a sand and stone filtering system for oil exploration and exploitation comprises a filtering box body, wherein two sides of the filtering box body are respectively connected with two fixing plates, the bottoms of the fixing plates are connected with a hydraulic cylinder, the bottom of the hydraulic cylinder is connected with a hydraulic rod, the bottom end of the hydraulic rod is connected with a fixing block, the bottom of the fixing block is provided with a moving wheel, and the outer surface of the hydraulic cylinder is connected with a limiting column;
the filter box comprises a filter box body, a filter plate, a connecting pipe, a connecting shaft, a connecting rod, a protection box and a connecting plate, wherein the filter box body is internally connected with a support bar, the top of the support bar is connected with the filter plate, the upper part of the left inner wall of the filter box body is provided with the connecting groove, the left side of the filter plate is connected with the left inner wall of the connecting groove, the inside of the filter box body is connected with a landslide, the middle part of the landslide is connected with the connecting pipe, the bottom of the connecting pipe is connected with a shunt box, the top of the shunt box is connected with the bottom of the landslide, the upper part of the right side of the filter box body is provided with the connecting hole, the inner bottom wall of the connecting hole is connected with the filter plate, the right side of the filter plate is connected with a handle, the right side of the filter box body is connected with two stoppers, the middle part of each stopper is connected with the connecting shaft, the outer surface of the connecting shaft is connected with the connecting rod, the top of the connecting rod is connected with the protection box, a first limiting hole is formed in the upper portion of the right side of the filtering box body, a limiting rod is connected to the inner surface of the first limiting hole, and external threads are formed in the outer surface of the limiting rod.
Preferably, a second limiting hole is formed in the left side of the connecting plate, the inner surface of the second limiting hole is connected with the limiting rod, and the radius of the first limiting hole is equal to that of the second limiting hole.
Furthermore, the inner surface of the second limiting hole is movably connected with the outer surface of the limiting rod, and the radius of the first limiting hole and the radius of the second limiting hole are located on the same horizontal line when the connecting plate is in a vertical state.
Furthermore, the inner surface of the second limiting hole is provided with an internal thread, and the external thread on the outer surface of the limiting rod is movably connected with the internal thread on the inner surface of the second limiting hole.
Furthermore, the left side of the fixed plate is fixed with the right side of the filtering box body, the top of the hydraulic cylinder is fixed with the right end of the bottom of the fixed plate, the top of the hydraulic rod is movably connected with the bottom of the hydraulic rod, the top of the fixed block is fixed with the bottom of the hydraulic rod, the bottom of the fixed block is movably connected with a movable wheel through a pin shaft, the left end of the limit column is fixed with the right side of the filtering box body, the two sides of the supporting strip are respectively fixed with the inner walls of the two sides of the filtering box body, the bottom of the filtering plate is movably connected with the top of the supporting strip, the inner surface of the connecting groove is movably connected with the left side of the filter plate, the two sides of the landslide are respectively fixed with the inner walls of the two sides of the filter box body, the surface of connecting tube is fixed with the middle part of landslide, the middle part of reposition of redundant personnel case is fixed with the surface of connecting tube, the top of reposition of redundant personnel case is fixed with the bottom of landslide.
Further, the surface of charge-in pipeline and the internal surface fixed of connecting hole, place the interior diapire in hole and the bottom swing joint of filter, the left side of handle is fixed with the right side of filter, the left side of stopper is fixed with the right side of filtering the box, the surface both ends of connecting axle all with the middle part swing joint of stopper, the bottom of connecting rod and the external surface fixed of connecting axle, the bottom left end of guard box is fixed with the top of connecting rod, the bottom of connecting plate is fixed with the top left end of guard box, the surface left end of gag lever post and the internal surface swing joint in first spacing hole.
Furthermore, the top of the hydraulic rod is connected with the bottom of the hydraulic rod in a sliding mode, the bottom of the filter plate is connected with the top of the supporting bar in a sliding mode, and the inner surface of the connecting groove is connected with the left side of the filter plate in a sliding mode.
Furthermore, the inner bottom wall of the placing hole is connected with the bottom of the filter plate in a sliding mode, two ends of the outer surface of the connecting shaft are connected with the middle of the limiting block in a rotating mode, and the left end of the outer surface of the limiting rod is movably connected with the inner surface of the first limiting hole through threads.
Furthermore, the inner surface of the first limiting hole is provided with an internal thread matched with the external thread, and the external thread on the outer surface of the limiting rod is movably connected with the internal thread on the inner surface of the first limiting hole.
Further, the handle is located the inside of guard box, the landslide is located the below of filter, the right side of filtering the box and the left side of connecting plate can dismantle fixed connection through the gag lever post.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that: this sand and stone filtration system for oil exploration exploitation:
(1) the hydraulic cylinder is started to drive the fixing block to move up and down through the structure that the fixing plate, the hydraulic cylinder, the hydraulic rod and the fixing block are arranged on the limiting rod, and the device can move conveniently through the structure that the fixing block and the moving wheel are arranged on the hydraulic rod.
(2) Through be provided with the stopper on filtering the box, the connecting axle, the structure of connecting rod and guard box, can play the effect of protection to placing the hole, prevent that dust and some infects the inside that the thing got into filtering the box, cause the pollution to the oil, through the handle, the stopper, the connecting axle, the structure of connecting rod and guard box, the guard box that can be convenient for rotates round the connecting axle, the convenience is to the dismantlement of filter, through guard box, the connecting plate, first spacing hole, the structure in the spacing hole of gag lever post and second, the convenience is to the fixed of guard box.
Drawings
FIG. 1 is a schematic diagram of the front view structure of the sand and stone filtering system for oil exploration and exploitation of the present invention;
FIG. 2 is a schematic perspective view of a hydraulic cylinder of the sand and stone filtering system for oil exploration and exploitation according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of the sand and stone filtering system for oil exploration and exploitation according to the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 of the sand and stone filtering system for oil exploration and exploitation according to the present invention;
FIG. 5 is a schematic side view of the filtering box of the sand and stone filtering system for oil exploration and exploitation according to the present invention;
FIG. 6 is a schematic perspective view of a connecting plate of the sand and stone filtering system for oil exploration and exploitation according to the present invention;
fig. 7 is a schematic top view of the handle of the sand and stone filtering system for oil exploration and exploitation according to the present invention.
In the figure: 1. a filter box body; 2. a fixing plate; 3. a hydraulic cylinder; 4. a hydraulic lever; 5. a fixed block; 6. a moving wheel; 7. a limiting column; 8. a supporting strip; 9. a filter plate; 10. connecting grooves; 11. landslide; 12. connecting a pipeline; 13. a shunt box; 14. connecting holes; 15. a feed conduit; 16. placing holes; 17. a handle; 18. a limiting block; 19. a connecting shaft; 20. a connecting rod; 21. a protection box; 22. a connecting plate; 23. a first limit hole; 24. a limiting rod; 25. a second limiting hole.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a sand and stone filtering system for oil exploration and exploitation; the filtering box comprises a filtering box body 1, two fixing plates 2 are connected to two sides of the filtering box body 1, a hydraulic cylinder 3 is connected to the bottom of each fixing plate 2, a hydraulic rod 4 is connected to the bottom of each hydraulic cylinder 3, a fixing block 5 is connected to the bottom end of each hydraulic rod 4, a moving wheel 6 is arranged at the bottom of each fixing block 5, and a limiting column 7 is connected to the outer surface of each hydraulic cylinder 3;
the inside of the filtering box body 1 is connected with a supporting strip 8, the top of the supporting strip 8 is connected with a filtering plate 9, a connecting groove 10 is arranged above the inner wall of the left side of the filtering box body 1, the left side of the filtering plate 9 is connected with the inner wall of the left side of the connecting groove 10, the inside of the filtering box body 1 is connected with a landslide 11, the middle of the landslide 11 is connected with a connecting pipeline 12, the bottom of the connecting pipeline 12 is connected with a shunt box 13, the top of the shunt box 13 is connected with the bottom of the landslide 11, the upper part of the right side of the filtering box body 1 is provided with a connecting hole 14, the inner bottom wall of the connecting hole 14 is connected with the filtering plate 9, the right side of the filtering plate 9 is connected with a handle 17, the right side of the filtering box body 1 is connected with two limit blocks 18, the middle of the limit blocks 18 is connected with a connecting shaft 19, the outer surface of the connecting shaft 19 is connected with a connecting rod 20, the top of the connecting rod 20 is connected with a protection box 21, and the top of the protection box 21 is connected with a connecting plate 22, a first limiting hole 23 is formed in the upper portion of the right side of the filtering box body 1, a limiting rod 24 is connected to the inner surface of the first limiting hole 23, and external threads are formed in the outer surface of the limiting rod 24;
as an optimal technical solution of the utility model: a second limiting hole 25 is formed in the left side of the connecting plate 22, the inner surface of the second limiting hole 25 is connected with a limiting rod 24, and the radius of the first limiting hole 23 is equal to that of the second limiting hole 25;
as an optimal technical solution of the utility model: the inner surface of the second limiting hole 25 is movably connected with the outer surface of the limiting rod 24, the radius of the first limiting hole 23 and the radius of the second limiting hole 25 are positioned on the same horizontal line when the connecting plate 22 is in a vertical state, and the protection box 21 is conveniently fixed through the structures of the protection box 21, the connecting plate 22, the first limiting hole 23, the limiting rod 24 and the second limiting hole 25;
as an optimal technical solution of the utility model: the inner surface of the second limiting hole 25 is provided with internal threads, and the external threads on the outer surface of the limiting rod 24 are movably connected with the internal threads on the inner surface of the second limiting hole 25;
as an optimal technical solution of the utility model: the left side of the fixed plate 2 is fixed with the right side of the filtering box body 1, the top of the hydraulic cylinder 3 is fixed with the right end of the bottom of the fixed plate 2, the top of the hydraulic rod 4 is movably connected with the bottom of the hydraulic rod 4, the top of the fixed block 5 is fixed with the bottom of the hydraulic rod 4, the bottom of the fixed block 5 is movably connected with the movable wheel 6 through a pin shaft, the fixed plate 2 is arranged on the limiting rod 24, the hydraulic cylinder 3 can drive the fixed block 5 to move up and down by starting the hydraulic cylinder 3, the movement of the device can be facilitated by the structure that the fixed block 5 and the movable wheel 6 are arranged on the hydraulic rod 4, the left end of the limiting column 7 is fixed with the right side of the filtering box body 1, the two sides of the supporting strips 8 are respectively fixed with the inner walls of the two sides of the filtering box body 1, the bottom of the filtering plate 9 is movably connected with the top of the supporting strips 8, and the inner surface of the connecting groove 10 is movably connected with the left side of the filtering plate 9, two sides of the landslide 11 are respectively fixed with the inner walls of two sides of the filtering box body 1, the outer surface of the connecting pipeline 12 is fixed with the middle part of the landslide 11, the middle part of the flow dividing box 13 is fixed with the outer surface of the connecting pipeline 12, and the top part of the flow dividing box 13 is fixed with the bottom part of the landslide 11;
as an optimal technical solution of the utility model: the outer surface of the feeding pipeline 15 is fixed with the inner surface of the connecting hole 14, the inner bottom wall of the placing hole 16 is movably connected with the bottom of the filter plate 9, the left side of the handle 17 is fixed with the right side of the filter plate 9, the left side of the limiting block 18 is fixed with the right side of the filter box body 1, both ends of the outer surface of the connecting shaft 19 are movably connected with the middle part of the limiting block 18, the bottom of the connecting rod 20 is fixed with the outer surface of the connecting shaft 19, the limiting block 18, the connecting shaft 19, the connecting rod 20 and the protection box 21 are arranged on the filter box body 1, the placing hole 16 can be protected, dust and some infectious matters are prevented from entering the interior of the filter box body 1 and polluting petroleum, the left end of the bottom of the protection box 21 is fixed with the top of the connecting rod 20, the bottom of the connecting plate 22 is fixed with the left end of the top of the protection box 21, and the left end of the outer surface of the limiting rod 24 is movably connected with the inner surface of the first limiting hole 23, through the structures of the handle 17, the limiting block 18, the connecting shaft 19, the connecting rod 20 and the protection box 21, the protection box 21 can conveniently rotate around the connecting shaft 19, and the filter plate 9 is convenient to disassemble;
as an optimal technical solution of the utility model: the top of the hydraulic rod 4 is connected with the bottom of the hydraulic rod 4 in a sliding way, the bottom of the filter plate 9 is connected with the top of the support bar 8 in a sliding way, and the inner surface of the connecting groove 10 is connected with the left side of the filter plate 9 in a sliding way
As an optimal technical solution of the utility model: the inner bottom wall of the placing hole 16 is connected with the bottom of the filter plate 9 in a sliding mode, two ends of the outer surface of the connecting shaft 19 are rotatably connected with the middle of the limiting block 18, and the left end of the outer surface of the limiting rod 24 is movably connected with the inner surface of the first limiting hole 23 through threads, so that the protection box 21 can be conveniently rotated;
as an optimal technical solution of the utility model: the inner surface of the first limiting hole 23 is provided with an internal thread matched with the external thread, and the external thread on the outer surface of the limiting rod 24 is movably connected with the internal thread on the inner surface of the first limiting hole 23, so that the connecting plate 22 can be conveniently fixed;
as an optimal technical solution of the utility model: the handle 17 is located the inside of guard box 21, and the landslide 11 is located the below of filter 9, and the right side of filtering box 1 and the left side of connecting plate 22 can dismantle fixed connection through gag lever post 24, play the guard action to the inside of filtering box 1.
The working principle of the embodiment is as follows: when the sand and stone filtering system for oil exploration and exploitation is used, as shown in figures 1-7, the device integrally comprises a filtering box body 1, a moving wheel 6 and a protection box 21, and when the device needs to move, as shown in figures 1 and 2, a hydraulic cylinder 3 is started, the hydraulic cylinder 3 drives a hydraulic rod 4 to move downwards, so that a fixed block 5 and the moving wheel 6 are driven to move downwards until the moving wheel 6 is close to the ground and the bottom of the filtering box body 1 leaves the ground, and then the pushing device is pushed to move;
as shown in fig. 5-7, when the filter plate 9 needs to be detached, the limiting rod 24 is first screwed, the limiting rod 24 is screwed off from the connecting plate 22 through the thread fit between the first limiting hole 23 and the second limiting hole 25, then the limiting rod 24 is screwed off, then the protection box 21 is rotated, the protection box 21 is rotated around the connecting shaft 19 through the connecting rod 20, then the handle 17 is exposed, then the handle 17 is pulled rightwards, the handle 17 drives the filter plate 9 to interact rightwards on the supporting bar 8 until the filter plate 9 slides out of the filter box body 1, which is the working process of the whole device, and the content which is not described in detail in this specification belongs to the prior art known to the professional in the field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "set", "mounted", "connected", "fixed", and the like are to be interpreted broadly, and may be, for example, either fixedly connected or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art; it will be appreciated by those skilled in the art that modifications may be made to the above-described embodiments, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and the like which fall within the spirit and scope of the present invention may be resorted to.
Claims (10)
1. The sand and stone filtering system for oil exploration and exploitation comprises a filtering box body (1), a feeding pipeline (15) and a placing hole (16), and is characterized in that two sides of the filtering box body (1) are respectively connected with two fixing plates (2), the bottom of each fixing plate (2) is connected with a hydraulic cylinder (3), the bottom of each hydraulic cylinder (3) is connected with a hydraulic rod (4), the bottom end of each hydraulic rod (4) is connected with a fixing block (5), the bottom of each fixing block (5) is provided with a moving wheel (6), and the outer surface of each hydraulic cylinder (3) is connected with a limiting column (7);
the filter box is characterized in that a supporting strip (8) is connected to the inside of the filter box body (1), a filter plate (9) is connected to the top of the supporting strip (8), a connecting groove (10) is formed in the upper portion of the inner wall of the left side of the filter box body (1), the left side of the filter plate (9) is connected with the inner wall of the left side of the connecting groove (10), a landslide (11) is connected to the inside of the filter box body (1), a connecting pipeline (12) is connected to the middle of the landslide (11), a shunt box (13) is connected to the bottom of the connecting pipeline (12), the top of the shunt box (13) is connected to the bottom of the landslide (11), a connecting hole (14) is formed in the upper portion of the right side of the filter box body (1), the inner bottom wall of the connecting hole (14) is connected with the filter plate (9), a handle (17) is connected to the right side of the filter plate (9), and two limit blocks (18) are connected to the right side of the filter box body (1), the middle part of stopper (18) is connected with connecting axle (19), the surface of connecting axle (19) is connected with connecting rod (20), the top of connecting rod (20) is connected with guard box (21), the top of guard box (21) is connected with connecting plate (22), first spacing hole (23) have been seted up on the right side upper portion of filtering box (1), the internal surface connection in first spacing hole (23) has gag lever post (24), the external screw thread has been seted up to the surface of gag lever post (24).
2. The sand and stone filtering system for oil exploration and exploitation according to claim 1, wherein a second limiting hole (25) is formed in the left side of the connecting plate (22), the inner surface of the second limiting hole (25) is connected with the limiting rod (24), and the radius of the first limiting hole (23) is equal to that of the second limiting hole (25).
3. The sand and stone filtering system for oil exploration and exploitation as claimed in claim 2, wherein the inner surface of the second limiting hole (25) is movably connected with the outer surface of the limiting rod (24), and the radius of the first limiting hole (23) and the radius of the second limiting hole (25) are on the same horizontal line when the connecting plate (22) is in a vertical state.
4. The system for filtering the sand and the stone for the oil exploration and exploitation as claimed in claim 3, wherein an internal thread is formed on an inner surface of the second limiting hole (25), and the external thread on the outer surface of the limiting rod (24) is movably connected with the internal thread on the inner surface of the second limiting hole (25).
5. The sand and stone filtering system for oil exploration and exploitation according to claim 1, wherein the left side of the fixing plate (2) is fixed to the right side of the filtering box body (1), the top of the hydraulic cylinder (3) is fixed to the right end of the bottom of the fixing plate (2), the top of the hydraulic rod (4) is movably connected to the bottom of the hydraulic rod (4), the top of the fixing block (5) is fixed to the bottom of the hydraulic rod (4), the bottom of the fixing block (5) is movably connected to a moving wheel (6) through a pin shaft, the left end of the limiting column (7) is fixed to the right side of the filtering box body (1), the two sides of the supporting bar (8) are respectively fixed to the inner walls of the two sides of the filtering box body (1), the bottom of the filtering plate (9) is movably connected to the top of the supporting bar (8), the inner surface of the connecting groove (10) is movably connected to the left side of the filtering plate (9), the both sides of landslide (11) are fixed with the both sides inner wall of filtering box (1) respectively, the surface of connecting tube (12) is fixed with the middle part of landslide (11), the middle part of reposition of redundant personnel case (13) and the surface mounting of connecting tube (12), the top of reposition of redundant personnel case (13) is fixed with the bottom of landslide (11).
6. The system of claim 1, wherein the sand filter system for oil exploration and production, the outer surface of the feeding pipeline (15) is fixed with the inner surface of the connecting hole (14), the inner bottom wall of the placing hole (16) is movably connected with the bottom of the filter plate (9), the left side of the handle (17) is fixed with the right side of the filter plate (9), the left side of the limit block (18) is fixed with the right side of the filter box body (1), both ends of the outer surface of the connecting shaft (19) are movably connected with the middle part of the limiting block (18), the bottom of the connecting rod (20) is fixed with the outer surface of the connecting shaft (19), the left end of the bottom of the protection box (21) is fixed with the top of the connecting rod (20), the bottom of the connecting plate (22) is fixed with the left end of the top of the protection box (21), the left end of the outer surface of the limiting rod (24) is movably connected with the inner surface of the first limiting hole (23).
7. The sand and stone filtering system for oil exploration and exploitation according to claim 5, wherein the top of the hydraulic rod (4) is slidably connected with the bottom of the hydraulic rod (4), the bottom of the filter plate (9) is slidably connected with the top of the supporting bar (8), and the inner surface of the connecting groove (10) is slidably connected with the left side of the filter plate (9).
8. The system for filtering the sand and the stone for the oil exploration and exploitation according to claim 6, wherein the inner bottom wall of the placing hole (16) is slidably connected with the bottom of the filter plate (9), both ends of the outer surface of the connecting shaft (19) are rotatably connected with the middle of the limiting block (18), and the left end of the outer surface of the limiting rod (24) is movably connected with the inner surface of the first limiting hole (23) through threads.
9. The sand and stone filtering system for oil exploration and exploitation as claimed in claim 6, wherein an internal thread matched with the external thread is formed on the inner surface of the first limiting hole (23), and the external thread on the outer surface of the limiting rod (24) is movably connected with the internal thread on the inner surface of the first limiting hole (23).
10. The system for filtering the sand and the stone for the oil exploration and exploitation as claimed in claim 1, wherein the handle (17) is located inside the protection box (21), the landslide (11) is located below the filter plate (9), and the right side of the filter box body (1) is detachably and fixedly connected with the left side of the connecting plate (22) through a limiting rod (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023215955.9U CN215137268U (en) | 2020-12-28 | 2020-12-28 | Gravel and sand filtration system for oil exploration and exploitation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023215955.9U CN215137268U (en) | 2020-12-28 | 2020-12-28 | Gravel and sand filtration system for oil exploration and exploitation |
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| CN215137268U true CN215137268U (en) | 2021-12-14 |
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| CN202023215955.9U Active CN215137268U (en) | 2020-12-28 | 2020-12-28 | Gravel and sand filtration system for oil exploration and exploitation |
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