CN217501585U

CN217501585U - Novel elastic centralizer

Info

Publication number: CN217501585U
Application number: CN202221680587.1U
Authority: CN
Inventors: 谭延祥; 马亚宵; 孙俊刚; 李小芬
Original assignee: Dezhou Longke Petroleum Equipment Co ltd
Current assignee: Dezhou Longke Petroleum Equipment Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-27
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to an elasticity centralizer technical field specifically is a novel elasticity centralizer, including the centralizer body, the surface of centralizer body is equipped with limit structure, limit structure includes the backup pad, the vertical cross-section of backup pad is "L" shape, backup pad forearm and centralizer body fixed connection, the surperficial slip cover of backup pad long arm has the slide pipe, the equal fixedly connected with connecting plate in both sides of slide pipe, the lower fixed surface of connecting plate is connected with the push pedal, the lower fixed surface of backup pad long arm is connected with the fixed plate, the vertical cross-section of fixed plate is "U" shape, the equal horizontal slip in surface of fixed plate both sides arm has run through the square bar, two the equal fixedly connected with limiting plate of one end that the square bar is close to each other. This application has solved because the structure of elasticity centralizer is relatively fixed, and the staff need use not unidimensional spring centralizer to carry out the problem of rightting to unidimensional sleeve pipe.

Description

Novel elastic centralizer

Technical Field

The application relates to the technical field of elastic centralizers, in particular to a novel elastic centralizer.

Background

The elasticity centralizer is in the oil and gas drilling, and the casing string of putting into for guaranteeing is in the pit shaft center and at the rich elastic frame of rightting of sleeve pipe surface mounting, but because the structure of elasticity centralizer is more fixed, when rightting not unidimensional sleeve pipe, the staff need use not unidimensional spring centralizer, and this application scope that just leads to spring centralizer is less, has reduced spring centralizer's practicality.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve exist among the prior art because the structure of elasticity centralizer is more fixed, the staff need use not unidimensional spring centralizer to carry out the shortcoming of rightting to the sleeve pipe of unidimensional not, and the novel elasticity centralizer that provides.

In order to achieve the purpose, the following technical scheme is adopted in the application: the utility model provides a novel elasticity centralizer, includes the centralizer body, the surface of centralizer body is equipped with limit structure, limit structure includes the backup pad, the vertical cross-section of backup pad is "L" shape, backup pad forearm and centralizer body fixed connection, the surface slip cover of backup pad long arm has the slide pipe, the equal fixedly connected with connecting plate in both sides of slide pipe, the lower fixed surface of connecting plate is connected with the push pedal, the lower fixed surface of backup pad long arm is connected with the fixed plate, the vertical cross-section of fixed plate is "U" shape, the equal horizontal slip in surface of fixed plate both sides arm has run through the square bar, two the equal fixedly connected with limiting plate of one end that the square bar is close to each other, the one end and the push pedal sliding connection of limiting plate are kept away from to the square bar.

The effect that above-mentioned part reaches is: through setting up limit structure, reach and to the position restriction that can be with the centralizer body on not unidimensional sleeve pipe to make the centralizer body can support the sleeve pipe better, enlarged the application scope of centralizer body, improved the effect of centralizer body practicality.

Preferably, a screw rod is connected to the upper surface of the sliding tube in a threaded manner, and the screw rod penetrates through the sliding tube to abut against the upper surface of the supporting plate.

The effect that above-mentioned part reaches is: when the screw rod is rotated, the screw rod can move by means of the threads, and after the screw rod is abutted to the upper surface of the supporting plate, the screw rod achieves the effect of limiting the position of the sliding pipe and further limiting the position of the limiting plate.

Preferably, the position of the slide pipe relative to the screw rod is fixedly connected with a positioning plate, and the vertical section of the positioning plate is U-shaped.

The effect that above-mentioned part reaches is: the positioning plate achieves the effect of limiting the moving distance of the screw rod so as to prevent the screw rod from being separated from the sliding pipe as much as possible.

Preferably, the surface of the square rod is fixedly connected with a cylindrical block, and two side arms of the fixing plate are both positioned between the two cylindrical blocks.

The effect that above-mentioned part reaches is: the square bar can drive the cylinder piece and slide when sliding, and after the cylinder piece contacted the back with the fixed plate, the cylinder piece reached and stops the square bar and continue to slide to prevent the effect of square bar from the surface landing of fixed plate as far as possible.

Preferably, the lower surface of the long arm of the support plate is fixedly connected with two distance limiting plates, and the sliding pipe is positioned between the two distance limiting plates.

The effect that above-mentioned part reaches does: the two distance limiting plates reach the sliding distance of the limiting sliding pipe, so that the square rod and the push plate are always kept in contact.

Preferably, the surface of limiting plate is equipped with auxiliary structure, auxiliary structure includes two fixture blocks, two card holes have been seted up on the surface of limiting plate, the inner wall and the fixture block sliding connection in card hole on the limiting plate, two the fixed surface of fixture block is connected with the arc, arc and limiting plate sliding connection, one side fixedly connected with a plurality of antislip strip of limiting plate is kept away from to the arc.

The effect that above-mentioned part reaches is: through setting up auxiliary structure, reach the frictional force on increase limiting plate surface to further improve the spacing effect's of limiting plate effect.

Preferably, the limiting plate is provided with a mounting groove relative to the position of the arc-shaped plate, the inner wall of the mounting groove in the limiting plate is fixedly connected with a magnetic block, the magnetic block is connected with the arc-shaped plate in a sliding mode, and the arc-shaped plate is an iron plate.

The effect that above-mentioned part reaches is: when the arc plate is contacted with the magnetic block, the magnetic block can attract the arc plate by means of the magnetic force of the magnetic block because the arc plate is an iron plate, and the magnetic block achieves the effect of limiting the position of the arc plate.

In summary, the following steps:

in this application, through setting up limit structure, reach and to can be with the position restriction of centralizer body on not unidimensional sleeve pipe to make the centralizer body can support the sleeve pipe better, enlarged the application scope of centralizer body, improved the effect of centralizer body practicality.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic partial structural view of FIG. 1 of the present application;

FIG. 3 is a schematic view of a portion of the structure at the support plate of the present application;

FIG. 4 is a partial schematic structural view of the rear right side of FIG. 3 of the present application;

fig. 5 is a partial structural schematic diagram of the auxiliary structure of the present application.

Illustration of the drawings: 1. a centralizer body; 2. a limiting structure; 201. a support plate; 202. a slide pipe; 203. a connecting plate; 204. pushing the plate; 205. a fixing plate; 206. a square bar; 207. a limiting plate; 208. a screw; 209. positioning a plate; 210. a cylindrical block; 211. a distance limiting plate; 3. an auxiliary structure; 31. a clamping hole; 32. a clamping block; 33. an arc-shaped plate; 34. anti-slip strips; 35. a magnetic block.

Detailed Description

Referring to fig. 1, the present application provides a technical solution: the utility model provides a novel elasticity centralizer, including centralizer body 1 and limiting plate 207, the surface of centralizer body 1 is equipped with limit structure 2, through setting up limit structure 2, reach and to restricting the position of centralizer body 1 on not unidimensional sleeve pipe, thereby make centralizer body 1 can support the sleeve pipe better, the application scope of centralizer body 1 has been enlarged, the effect of centralizer body 1 practicality has been improved, the surface of limiting plate 207 is equipped with auxiliary structure 3, through setting up auxiliary structure 3, reach the surperficial frictional force of increase limiting plate 207, thereby further improve the effect of the spacing effect of limiting plate 207.

The specific arrangement and function of the limit structure 2 and the auxiliary structure 3 will be described in detail below.

Referring to fig. 2 and 3, in the present embodiment: limiting structure 2 includes backup pad 201, and the vertical cross-section of backup pad 201 is "L" shape, and backup pad 201 short arm and centralizer body 1 fixed connection, the surface sliding sleeve of backup pad 201 long arm has slide 202. The connecting plates 203 are fixedly connected to both sides of the sliding tube 202, and the sliding tube 202 drives the connecting plates 203 to slide. The lower surface of the connecting plate 203 is fixedly connected with a push plate 204, and the sliding of the connecting plate 203 can drive the push plate 204 to slide. The lower surface fixedly connected with fixed plate 205 of the long arm of backup pad 201, the vertical cross-section of fixed plate 205 is "U" shape, and the equal horizontal slip in surface of fixed plate 205 both sides arm has run through square pole 206, and two limiting plate 207 are fixed connection respectively in the one end that two square poles 206 are close to each other, and square pole 206 slides and can drive limiting plate 207 and slide. One end of the square rod 206, which is far away from the limit plate 207, is slidably connected with the push plate 204, and the sliding of the push plate 204 drives the square rod 206 to slide.

Referring to fig. 3 and 4, specifically, a screw 208 is threadedly connected to the upper surface of the slide tube 202, the screw 208 passes through the slide tube 202 and abuts against the upper surface of the support plate 201, when the screw 208 is rotated, the screw 208 moves by means of the thread, and after the screw 208 abuts against the upper surface of the support plate 201, the screw 208 achieves the function of limiting the position of the slide tube 202 and thus the position of the limit plate 207. The position of the slide tube 202 relative to the screw 208 is fixedly connected with a positioning plate 209, the vertical section of the positioning plate 209 is in a U shape, and the positioning plate 209 limits the moving distance of the screw 208, so that the screw 208 is prevented from being separated from the slide tube 202 as much as possible. The surface of the square rod 206 is fixedly connected with a cylindrical block 210, two side arms of the fixing plate 205 are both located between the two cylindrical blocks 210, the square rod 206 can drive the cylindrical block 210 to slide when sliding, and after the cylindrical block 210 is contacted with the fixing plate 205, the cylindrical block 210 can prevent the square rod 206 from continuously sliding, so that the square rod 206 can be prevented from sliding from the surface of the fixing plate 205 as much as possible. Two distance limiting plates 211 are fixedly connected to the lower surface of the long arm of the supporting plate 201, the sliding tube 202 is located between the two distance limiting plates 211, and the two distance limiting plates 211 limit the sliding distance of the sliding tube 202, so that the square rod 206 and the push plate 204 are always kept in contact.

Referring to fig. 3 and 5, specifically, the auxiliary structure 3 includes two blocks 32, two block holes 31 are formed in the surface of the limit plate 207, and the inner walls of the block holes 31 on the limit plate 207 are slidably connected with the blocks 32. The surfaces of the two clamping blocks 32 are fixedly connected with the arc-shaped plate 33, and the limiting plate 207 slides to drive the arc-shaped plate 33 to slide. The arc plate 33 is connected with the limiting plate 207 in a sliding manner, one side of the arc plate 33, which is far away from the limiting plate 207, is fixedly connected with a plurality of anti-slip strips 34, and the arc plate 33 can drive the anti-slip strips 34 to slide when sliding. The position of limiting plate 207 for arc 33 has seted up the mounting groove, the inner wall fixedly connected with magnetic path 35 of mounting groove on the limiting plate 207, magnetic path 35 and arc 33 sliding connection, arc 33 is iron plate, when arc 33 and magnetic path 35 contact, because arc 33 is iron plate, magnetic path 35 can attract arc 33 with the help of self magnetic force this moment, and magnetic path 35 reaches the effect of restriction arc 33 position.

The theory of operation, when needing to use centralizer body 1, remove arc 33, arc 33 slides and can drive fixture block 32 and slide in along the inner wall of card hole 31, and card hole 31 reaches the effect of restriction fixture block 32 position and then restriction arc 33 position this moment, and arc 33 continues to slide and can contact with magnetic path 35, because arc 33 is iron plate, magnetic path 35 can attract arc 33 with the help of self magnetic force this moment, and magnetic path 35 reaches the effect of restriction arc 33 position.

Then the centralizer body 1 is sleeved on the arc surface of the sleeve, then the screw 208 is rotated, the screw 208 moves upwards by means of threads to be separated from and contacted with the upper surface of the supporting plate 201, the positioning plate 209 limits the moving distance of the screw 208, so that the screw 208 is prevented from being separated from and contacted with the sliding tube 202 as much as possible, then the sliding tube 202 slides along the surface of the long arm of the supporting plate 201, at the moment, the two distance limiting plates 211 limit the sliding distance of the sliding tube 202, the sliding tube 202 slides to drive the connecting plate 203 to slide, the connecting plate 203 slides to drive the push plate 204 to slide, at the moment, the two push plates 204 respectively push the two square rods 206 to slide in the direction that the two square rods 206 approach each other, in the process, the square rods 206 slide to drive the cylindrical block 210 to slide, the cylindrical block 210 achieves the effect of preventing the square rods 206 from sliding off from the surface of the fixing plate 205 as much as possible, the limiting plate 207 slides to drive the arc-shaped plate 33 to slide, the arc plate 33 slides to drive the anti-slip strips 34 to slide, and after the anti-slip strips 34 are contacted with the sleeve, the anti-slip strips 34 increase the friction force between the limiting plate 207 and the sleeve, so that the limiting effect of the limiting plate 207 on the centralizer body 1 is improved.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims

1. The utility model provides a novel elasticity centralizer, includes centralizer body (1), its characterized in that: the surface of the centralizer body (1) is provided with a limiting structure (2), the limiting structure (2) comprises a supporting plate (201), the vertical section of the supporting plate (201) is L-shaped, the short arm of the supporting plate (201) is fixedly connected with the centralizer body (1), a sliding pipe (202) is sleeved on the surface of the long arm of the supporting plate (201) in a sliding manner, connecting plates (203) are fixedly connected to the two sides of the sliding pipe (202), the lower surface of the connecting plate (203) is fixedly connected with a push plate (204), the lower surface of the long arm of the supporting plate (201) is fixedly connected with a fixing plate (205), the vertical section of the fixing plate (205) is U-shaped, the surfaces of two side arms of the fixing plate (205) are horizontally and slidably penetrated with square rods (206), one ends of the two square rods (206) close to each other are fixedly connected with limiting plates (207), one end of the square rod (206) far away from the limit plate (207) is connected with the push plate (204) in a sliding mode.

2. The novel elastic centralizer of claim 1, wherein: the upper surface of the sliding pipe (202) is in threaded connection with a screw rod (208), and the screw rod (208) penetrates through the sliding pipe (202) and abuts against the upper surface of the supporting plate (201).

3. The novel elastic centralizer of claim 2, wherein: the position of the sliding pipe (202) relative to the screw rod (208) is fixedly connected with a positioning plate (209), and the vertical section of the positioning plate (209) is U-shaped.

4. The novel elastic centralizer of claim 1, wherein: the surface of the square rod (206) is fixedly connected with a cylindrical block (210), and two side arms of the fixing plate (205) are located between the two cylindrical blocks (210).

5. The novel elastic centralizer of claim 1, wherein: the lower surface of the long arm of the supporting plate (201) is fixedly connected with two distance limiting plates (211), and the sliding pipe (202) is located between the two distance limiting plates (211).

6. The novel elastic centralizer of claim 1, wherein: the surface of limiting plate (207) is equipped with auxiliary structure (3), auxiliary structure (3) include two fixture blocks (32), two card holes (31) have been seted up on the surface of limiting plate (207), the inner wall and fixture block (32) sliding connection of card hole (31) are gone up in limiting plate (207), two the fixed surface of fixture block (32) is connected with arc (33), arc (33) and limiting plate (207) sliding connection, one side fixedly connected with a plurality of antislip strip (34) of limiting plate (207) are kept away from in arc (33).

7. The novel elastic centralizer of claim 6, wherein: the limiting plate (207) is provided with a mounting groove relative to the position of the arc-shaped plate (33), the inner wall of the mounting groove on the limiting plate (207) is fixedly connected with a magnetic block (35), the magnetic block (35) is in sliding connection with the arc-shaped plate (33), and the arc-shaped plate (33) is an iron plate.