阅读说明：本技术 一种套管刮蜡用套管刮削装置 (Sleeve scraping device for sleeve scraping wax ) 是由 孙昌杰 于 2021-01-19 设计创作，主要内容包括：本发明公开了一种套管刮蜡用套管刮削装置,涉及油田修井设备技术领域,包括上接头、下接头和壳体,所述主动件的外壁啮合有从动件,所述从动件的外壁与摩擦导件的外壁滑动连接,所述辅助连接杆的顶部固定连接有支撑杆,所述支撑杆的底部固定连接有收集袋。本发明利用光滑板的转动作为驱动源带动从动件快速转动,使其外端和摩擦板不断的摩擦产生热量,根据热传导热量通过导热片传到刮刀使其温度升高,加速硬蜡融化,提高了刮削效果,在刮削之前调整转动杆的上下位置来调整支撑杆的直径,使支撑杆和套管内壁完美贴合,蜡可以通过支撑杆上的接收槽滴落在收集袋中进行收集,防止刮削过程中滴落的蜡掉落在套管底部,造成刮削效果不彻底的不利影响。(The invention discloses a casing scraping device for scraping wax from a casing, which relates to the technical field of oilfield workover equipment and comprises an upper connector, a lower connector and a shell, wherein a driven part is meshed with the outer wall of a driving part, the outer wall of the driven part is in sliding connection with the outer wall of a friction guide part, the top of an auxiliary connecting rod is fixedly connected with a supporting rod, and the bottom of the supporting rod is fixedly connected with a collecting bag. The invention uses the rotation of the optical slide plate as a driving source to drive the driven part to rotate rapidly, so that the outer end of the driven part and the friction plate generate heat by continuous friction, the heat is transferred to the scraper through the heat conducting sheet according to the heat conduction and heat conduction to accelerate the melting of hard wax, the scraping effect is improved, the diameter of the support rod is adjusted by adjusting the upper position and the lower position of the rotating rod before scraping, the support rod is perfectly attached to the inner wall of the sleeve, the wax can drip into the collecting bag through the receiving groove on the support rod to be collected, and the adverse effect that the scraping effect is incomplete because the dripping wax falls into the bottom of the sleeve in the scraping process is prevented.)

1. The utility model provides a sleeve pipe scraping device for wax is scraped to sleeve pipe, includes top connection (1), lower clutch (3) and casing (2), its characterized in that: the bottom of top connection (1) and the top fixed connection of casing (2), the bottom of casing (2) and the top fixed connection of lower clutch (3), casing (2) include cutting board (22) and cutting board seat (21), the inner wall of cutting board seat (21) and the outer wall fixed connection of cutting board (22), just cutting board seat (21) include two cutting boards (22).

2. The casing scraping apparatus as claimed in claim 1, wherein: the cutting board (22) includes smooth board (221), scraper (226) and friction guide spare (225), the outer wall of smooth board (221) and the inner wall swing joint of cutting board (22), the bottom fixedly connected with axis of rotation (222) of smooth board (221), the both sides fixedly connected with of axis of rotation (222) drives piece (223), just the quantity of driving piece (223) is four, the outer wall meshing of driving piece (223) has follower (224), the outer wall of follower (224) and the outer wall sliding connection of friction guide spare (225), the outer wall of friction guide spare (225) and the inner wall sliding connection of scraper (226), the outer wall fixedly connected with of scraper (226) has a plurality of gleitbretter (227).

3. The casing scraping apparatus for scraping wax from a casing as claimed in claim 2, wherein: one end of the friction guide piece (225) is fixedly connected with a friction plate (a1), the other end of the friction guide piece (225) is fixedly connected with a plurality of heat-conducting sheets (a2), and the outer walls of the heat-conducting sheets (a2) are connected with the inner side of the scraper (226) in a sliding mode.

4. The casing scraping apparatus as claimed in claim 1, wherein: lower clutch (3) are including lower shell (31), lower shell (31) are including bearing post (311) and collection device (312), the fluting has been seted up to the left and right sides that bears post (311), the inside of bearing post (311) is provided with collection device (312), the top of collection device (312) and the top swing joint of top connection (1).

5. The casing scraping apparatus as claimed in claim 4, wherein: bottom fixedly connected with dwang (c1) of collection device (312), the bottom fixedly connected with of dwang (c1) adjusts pole (c2), the both ends swing joint of adjusting pole (c2) has telescopic link (c3), the bottom swing joint of telescopic link (c3) has auxiliary connecting rod (c5), the top fixedly connected with bracing piece (c4) of auxiliary connecting rod (c5), receiving groove has been seted up at the top both ends of bracing piece (c4), the bottom fixedly connected with of bracing piece (c4) collects bag (c 6).

Technical Field

The invention relates to a scraping device, relates to the technical field of oil field well repairing equipment, and particularly relates to a casing scraping device for scraping wax from a casing.

Background

The casing scraper is a tool for cutting the inner wall of casing and removing cement, hard wax, salt scale and blast hole burr on the inner wall of casing, and is an important process for well repair and normal downhole operation. The following problems exist in the prior art:

1. in the prior art, when a casing scraper scrapes hard wax in a casing, the outer layer of the hard wax is smoother, so that the problem that the scraper slips is more likely to occur, the scraping progress and effect are further influenced, and the progress of downhole operation is also influenced;

2. in the prior art, as is well known, wax can appear certain melting when being heated, and the scraper can produce certain heat at the continuous friction in wax surface, so have some wax that melt and drop in the sleeve pipe bottom, can remain certain hard wax at last on the sleeve pipe wall in addition and be difficult to clear away, have and scrape incomplete problem, and then reach not thorough scraping clean use original intention to the sleeve pipe, this sleeve pipe scraper's suitability worsens, consequently need carry out the structure innovation and solve specific problem.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a sleeve scraping device for scraping wax from a sleeve, wherein one purpose is to continuously heat hard wax in the scraping process of a scraper to melt the wax, solve the problem that the surface of the hard wax is smooth and easy to slip, and solve the problem that the wax on the wall of the sleeve is difficult to remove; the wax scraping device is used for solving the problem that the wax is not scraped thoroughly due to the fact that the wax drops to the bottom of the sleeve after being melted, so that the melted wax can be collected in time after being scraped, and the wax is prevented from dropping to the bottom of the sleeve.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a sleeve pipe is scraped wax and is scraped device with sleeve pipe, includes top connection, lower clutch and casing, the bottom of top connection and the top fixed connection of casing, the bottom of casing and the top fixed connection of lower clutch, the casing includes cutting board and cutting board seat, the inner wall of cutting board seat and the outer wall fixed connection of cutting board, just the cutting board seat includes two cutting boards.

The technical scheme of the invention is further improved as follows: the cutting board comprises a smooth board, a scraper and a friction guide piece, the outer wall of the smooth board is movably connected with the inner wall of the cutting board, the bottom of the smooth board is fixedly connected with a rotating shaft, two sides of the rotating shaft are fixedly connected with driving pieces, the number of the driving pieces is four, the outer wall of the driving piece is meshed with a driven piece, the outer wall of the driven piece is connected with the outer wall of the friction guide piece in a sliding mode, the outer wall of the friction guide piece is connected with the inner wall of the scraper in a sliding mode, and the outer wall of the scraper is fixedly connected with a plurality of sliding pieces.

The technical scheme of the invention is further improved as follows: one end of the friction guide piece is fixedly connected with a friction plate, the other end of the friction guide piece is fixedly connected with a plurality of heat conducting fins, and the outer walls of the heat conducting fins are connected with the inner side of the scraper in a sliding mode.

The technical scheme of the invention is further improved as follows: the lower joint includes lower shell, lower shell includes carrier post and collection device, the fluting has been seted up to the left and right sides of carrier post, the inside of carrier post is provided with collection device, collection device's top and the top swing joint of top connection.

The technical scheme of the invention is further improved as follows: the bottom fixedly connected with dwang of collection device, the bottom fixedly connected with of dwang adjusts the pole, the both ends swing joint who adjusts the pole has the telescopic link, the bottom swing joint of telescopic link has the auxiliary connecting rod, the top fixedly connected with bracing piece of auxiliary connecting rod, the receiving tank has been seted up at the top both ends of bracing piece, the bag is collected to the bottom fixedly connected with of bracing piece.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a sleeve scraping device for scraping wax from a sleeve, which is ingenious in design, a smooth plate and a friction plate are combined, the contact surface of the outer wall of the smooth plate and the inner wall of a cutter plate is made of smooth materials, the friction force is small, the rotation of the smooth plate is used as a driving source to drive a driving part and a driven part to rotate, the driven part rotates rapidly to enable the outer end of the driven part to continuously rub against the friction plate, the friction plate is a wear-resistant friction material capable of generating heat, the heat can be transmitted to a scraper through a heat conduction sheet according to the heat conduction heat, the temperature of the scraper is increased, the melting of hard wax can be accelerated in the scraping process, the scraping effect is improved, the wax on the wall of the sleeve can be scraped more easily, the friction force between the scraper and the hard wax can be increased through a sliding sheet arranged on the outer wall of the scraper, the phenomenon that the scraper and the hard.

2. The invention provides a sleeve scraping device for scraping wax from a sleeve, which can realize that the diameter of a support rod is adjusted by adjusting the vertical position of a rotating rod before scraping by adopting the combined arrangement of the rotating rod and the support rod, so that the support rod is perfectly attached to the inner wall of the sleeve, hard wax falls on the support rod after melting, the two ends of the top of the support rod are provided with receiving grooves, the wax can drip into the support rod through the receiving grooves and can be collected in a collecting bag at the bottom of the support rod, and the wax dripping in the scraping process is prevented from falling at the bottom of the sleeve to cause adverse effect of incomplete scraping effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of a cutting board according to the present invention;

FIG. 3 is a cross-sectional view of a cutting board according to the present invention;

FIG. 4 is a front cross-sectional view of the lower fitting of the present invention;

FIG. 5 is a schematic view of the construction of the doctor blade of the present invention;

figure 6 is a top view of a doctor blade of the invention.

In the figure: 1. an upper joint; 2. a housing; 3. a lower joint; 21. a cutting board seat; 22. a cutting board; 221. a smooth plate; 222. a rotating shaft; 223. a driving member; 224. a driven member; 225. a friction guide; 226. a scraper; 227. sliding blades; a1, friction plate; a2, heat-conducting sheet; c1, rotating rod; c2, adjusting rod; c3, a telescopic rod; c4, support bars; c5, auxiliary connecting rod; c6, collecting bag; 31. a lower housing; 311. a load bearing column; 312. and (4) a collecting device.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1 to 3, the present invention provides a casing scraping device for scraping wax from a casing, which comprises an upper joint 1, a lower joint 3 and a housing 2, wherein the bottom of the upper joint 1 is fixedly connected with the top of the housing 2, the bottom of the housing 2 is fixedly connected with the top of the lower joint 3, the housing 2 comprises a knife plate 22 and a knife plate seat 21, the inner wall of the knife plate seat 21 is fixedly connected with the outer wall of the knife plate 22, the knife plate seat 21 comprises two knife plates 22, the knife plate 22 comprises a smoothing plate 221, a scraper 226 and a friction guide 225, the outer wall of the smoothing plate 221 is movably connected with the inner wall of the knife plate 22, the bottom of the smoothing plate 221 is fixedly connected with a rotating shaft 222, driving members 223 are fixedly connected to both sides of the rotating shaft 222, the number of the driving members 223 is four, driven members 224 are engaged with the outer wall of the driving members 223, the outer wall of the driven members 224 is slidably connected with the outer wall of the friction guide 225, the outer, the outer wall of the scraper 226 is fixedly connected with a plurality of sliding vanes 227, one end of the friction guide 225 is fixedly connected with a friction plate a1, the other end of the friction guide 225 is fixedly connected with a plurality of heat-conducting fins a2, and the outer wall of the heat-conducting fins a2 is slidably connected with the inner side of the scraper 226.

In this embodiment, the upper joint 1 is used to connect a fixed rotating member, the sleeve scraping device is driven by the rotating member to rotate, the two knife boards 22 are disposed on the inner wall of the housing 2, and the two knife boards 22 are perpendicular to each other, and can scrape all directions of the sleeve, the outer wall of the smoothing board 221 is made of smooth material, the surface of the inner wall of the knife board 22 contacting with the outer wall is also made of material with small smooth resistance, when the sleeve scraping device starts to rotate, the smoothing board 221 starts to rotate according to inertia, the smoothing board 221 serves as a driving source to drive the rotating shaft 222 at the bottom to rotate, the rotating shaft 222 serves to drive the driving member 223 of the outer wall to rotate, the driving member 223 is engaged with the driven member 224, and the diameter of the driven member 224 is much smaller than that of the driving member 223, so that the driving member 223 serves to drive the driven member 224 to rotate quickly, the outer surface of the driven member, the outer side of the driven member 224 is provided with a friction guide member 225, one end of the friction guide member 225, which is in contact with the driven member 224, is provided with a friction plate a1, the friction plate a1 is a wear-resistant friction material which can generate heat, the outer wall of the driven member 224 and the friction plate a1 rub against each other to generate a large amount of heat, the heat can be transmitted to the scraper 226 through a heat conduction sheet a2 at the other end of the friction guide member 225 according to the heat conduction, so that the temperature of the scraper 226 is increased, the temperature of the scraper 226 is increased in the process of scraping hard wax by the scraper 226 to accelerate melting of the wax, the scraping effect is improved, a layer of wax on the wall of the casing is easier to scrape, a plurality of sliding pieces 227 are arranged on the outer wall of the scraper 226, the sliding pieces 227 can increase the friction force between the scraper 226 and the hard wax, the phenomenon that the scraper 226 and the hard wax.

Example 2

As shown in fig. 4-6, on the basis of embodiment 1, the present invention provides a technical solution: lower clutch 3 includes lower shell 31, lower shell 31 includes bearing post 311 and collection device 312, the fluting has been seted up to the left and right sides of bearing post 311, the inside of bearing post 311 is provided with collection device 312, the top of collection device 312 and the top swing joint of top connection 1, the bottom fixedly connected with dwang c1 of collection device 312, the bottom fixedly connected with of dwang c1 adjusts pole c2, the both ends swing joint of adjusting pole c2 has telescopic link c3, the bottom swing joint of telescopic link c3 has auxiliary connecting rod c5, the top fixedly connected with bracing piece c4 of auxiliary connecting rod c5, the receiving groove has been seted up at the top both ends of bracing piece c4, the bottom fixedly connected with of bracing piece c4 collects bag c 6.

In this embodiment, when the scraper 226 melts and scrapes the hard wax in the sleeve, a part of the wax falls off after melting, before the scraping starts, the sleeve scraping device needs to enter the position of the adjusting and scraping device from the sleeve opening, the top of the rotating rod c1 is movably connected with the upper joint 1, the rotating rod c1 can rotate and stretch up and down, by adjusting the height of the rotating rod c1, the adjusting rod c2 at the bottom of the rotating rod c1 is adjusted accordingly, the telescopic rods c3 at the two ends of the adjusting rod c2 drive the auxiliary connecting rod c5 at the bottom of the adjusting rod c2 to adjust the angle, so as to drive the supporting rod c4 at the top of the auxiliary connecting rod c5 to adjust, the middle of the supporting rod c4 is telescopically arranged, the diameter of the supporting rod c3 can be adjusted until the two ends of the supporting rod 539c 7 reach the sleeve wall, the two ends of the supporting rod c4 are made of soft deformable and stretchable material, the melted wax drops into the supporting rod c4 from the receiving groove after dropping, and is collected in the collecting bag c6 at the bottom of the supporting rod c4, so that the phenomenon that the melted wax drops to cause incomplete scraping is prevented.

The working principle of the casing scraping device for scraping wax from the casing is described in detail below.

As shown in fig. 1-6, in the using process, before beginning to scrape, the cannula scraping device needs to enter the position of the adjusting scraping device from the cannula opening, the position of the bottom adjusting rod c2 is adjusted by adjusting the up-down position of the rotating rod c1, the telescopic rods c3 at the two ends of the adjusting rod c2 are rotated and adjusted under the action of the adjusting rod c2, so as to drive the auxiliary connecting rod c5 at the bottom end to rotate, the bottom of the auxiliary connecting rod c5 is provided with a torsion spring component which can automatically restore the position, the auxiliary connecting rod c5 drives the supporting rod c4 at the top to support outwards, the middle of the supporting rod c4 is provided with a telescopic arrangement, so as to change the length of the supporting rod c4 until the supporting rod c4 is perfectly attached to the inner wall of the cannula, the two ends of the supporting rod c4 are made of soft deformable elastic material, so as to prevent the inner wall of the cannula from being, the collecting bag c6 is arranged at the bottom to collect the melted and dropped wax, when the scraping device rotates and the external scraper 226 scrapes hard wax, because of the rotation of the scraping device, the outer wall of the smooth plate 221 and the inner wall of the knife plate are both smooth, the smooth plate 221 starts to rotate according to inertia, thereby driving the rotating shaft 222 at the bottom to rotate, the rotating shaft 222 plays a role of driving the driving member 223 of the outer wall to rotate, the driving member 223 is engaged with the driven member 224, and the diameter of the driven member 224 is much smaller than that of the driving member 223, therefore, the driving member 223 plays a role of driving the driven member 224 to rotate rapidly, the friction plate a1 is a wear-resistant friction material which can generate heat, the outer wall of the driven member 224 and the friction plate a1 rub against each other to generate a large amount of heat, according to the heat conduction amount, the heat can be conducted to the scraper 226 through the heat conduction sheet a2 at the other end of, the temperature of scraper 226 risees, scraper 226 has accelerateed melting of wax at the in-process of scraping hard wax, the effect of scraping is improved, also scrape a layer of wax on the casing wall more easily, a plurality of gleitbretter 227 has been set up at the outer wall of scraper 226 simultaneously, gleitbretter 227 can increase the frictional force of scraper 226 and hard wax, the phenomenon that the blade skidded appears in scraper 226 and hard wax prevents to appear, whole sleeve pipe scraping device is when scraping the hard wax to the inside pipe wall, scraper 226 temperature risees melting of accelerating wax, reach better scraping effect, collect the wax of drippage simultaneously, the scraping effect of scraping the device has been improved.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.