CN207655623U - A kind of novel petroleum well drilling drilling rod cleaning device - Google Patents

Abstract

The utility model discloses a kind of novel petroleum well drilling drilling rod cleaning devices, including slide plate, third cylinder is fixed on slide plate, the third mandril of third cylinder connects the first scraper plate by holder, U-frame frame is additionally provided on holder, symmetrically be open with the backing plate strut of side of U-frame frame is rotatablely connected with it by axis pin, the symmetrical both sides of U-frame frame are equipped with identical side wiper mechanism, the side that strut corresponds to arc scraping article is equipped with rear wiper mechanism, U-frame frame one end is equipped with limited block, side wiper mechanism includes rotation seat, rotation seat is equipped with the side scraper plate of cooperation, wiper mechanism includes gripping block afterwards, gripping block is equipped with adjustable rear scraper plate.A kind of novel petroleum well drilling drilling rod cleaning device described in the utility model, it can realize the cleaning to drilling rod surface soil and drilling fluid circumferencial direction, ensure the cleannes that drilling rod takes out from drilling well, the ground of surrounding will not be polluted, safety coefficient is improved, and can be taken out easily and fast and be moved to other positions and cleaned.

Description

A kind of novel petroleum well drilling drilling rod cleaning device

Technical field

The utility model belongs to oil exploitation field of tool more particularly to a kind of novel petroleum well drilling drilling rod cleaning device.

Background technology

During oil drilling, drilling rod is essential a kind of using tool, and long-term repetition is needed to make With, in use, often due to native and drilling fluid mixing in the unknown situation of underground and drilling process, to the outer of drilling rod Wall abrasion is larger, and consolidation is not easy to clean in drilling-rod external wall when taking out, and if cleaned after drilling rod taking-up, bores Well liquid keeps surface more smooth around dropping in, not easy to clean, easy to fall, the safety of staff is endangered, for such Situation, the utility model proposes a kind of novel petroleum well drilling drilling rod cleaning devices, can realize to drilling rod surface soil and brill The cleaning of well liquid circumferencial direction ensures the cleannes that drilling rod takes out from drilling well, will not pollute the ground of surrounding, improves safety system Number, and can take out easily and fast and be moved to other positions and cleaned.

Invention content

The purpose of this part be summarize the embodiments of the present invention some aspects and briefly introduce some compared with Good embodiment.May be done in this part and the description of the present application abstract and utility model title it is a little simplify or omit with The purpose for avoiding making this part, abstract of description and utility model title is fuzzy, and this simplification or omission cannot be used for limiting The scope of the utility model.

The problem of describing in view of the aforementioned technical background, it is proposed that the utility model, therefore, the utility model is wherein One purpose can realize the cleaning to drilling rod surface soil and drilling fluid circumferencial direction, ensure the cleaning that drilling rod takes out from drilling well Degree will not pollute the ground of surrounding, improve safety coefficient, and can take out easily and fast and be moved to other positions progress clearly It is clean.

In order to solve the above technical problems, the technical solution adopted in the utility model is：

A kind of novel petroleum well drilling drilling rod cleaning device, including it is placed in the slide plate of backing plate basal sliding connection, the slide plate On be fixed with third cylinder, the third mandril of the third cylinder passes through holder and connects the first scraper plate, the end of first scraper plate Portion is arcwall face, and which is provided with multiple equally distributed arc scraping articles, and U-frame frame, the U-frame are additionally provided on the holder Symmetrically the be open strut of side of frame and the backing plate is rotatablely connected with it by axis pin, the strut and the U of the other end Shape frame is detachably connected by screw, and the symmetrical both sides of U-frame frame are equipped with identical side wiper mechanism, the strut pair The side of the arc scraping article is answered to be equipped with rear wiper mechanism, the U-frame is provided with the side of the axis pin and far from the pin One end of axis is equipped with limited block, and the limited block is fastened by fastening bolt and strut cooperation, the side wiper mechanism packet Rotation seat is included, the rotation seat is equipped with the side scraper plate by adjusting shaft rotation connection of cooperation, the rear wiper mechanism packet The gripping block being connect with the strut is included, the gripping block is equipped with adjustable rear scraper plate, is equipped in the rear scraper plate and clamps spiral shell Bolt, the fishbolt are connected across the gripping block by nut, and spring is equipped between the gripping block and the rear scraper plate.

Further, the backing plate both sides are arranged with the second cylinder, and the second mandril of second cylinder is across described Backing plate is connect with the slide plate.

Further, the arc axis of the arcwall face is parallel with the axis of the second mandril, second mandril The axis of axis and the third mandril is mutually perpendicular to.

Further, the axis of second mandril is parallel with the axis of supporting rod, the adjacent two arc scraping articles Symmetrical center line it is parallel with the plane of pedestal.

Further, the end of the side scraper plate is arcwall face, and is again provided with multiple equally distributed arcs thereon Shape scraping article.

Further, the end of the rear scraper plate is arcwall face, which is provided with same multiple equally distributed arcs Shape scraping article.

The utility model has the advantages and positive effects of：Compared with prior art, 1, the utility model is simple in structure, It can freely quickly move between the drilling rod in different work according to demand, where need where movement works, surely It is qualitative more preferable；2, for drilling rod to be cleaned, after support device is moved to corresponding position, there can be further fixing device It realizes fixation to its position, ensures the stability of device, the case where there is no deflections in the course of work, damage is avoided to bore Bar；3, stability of the locating rod when not working further ensure that by the design of retaining mechanism, increases protective device, no It can collide in the process of moving, improve the service life of corresponding parts；4, clamping device is placed on cleaning device Side, ensures more preferable in the stability of clamping, and drilling rod is not forced shaking in cleaning process, ensures that the surface of drilling rod is not damaged It is bad, improve its service life；5, clamping device by circumference design realize circumferencial direction uniform clamping, uniform force, no Easily glance off, more fixed modes of point of use, force dispersion and uniformly, guarantee will not drilling rod be led to due to excessive power Deformation, and the design of corresponding position does not interfere with the movement of normal device, can take out easily and fast；6, cleaning dress The setting set can realize the cleaning to drilling rod surface soil and drilling fluid, ensure the cleannes that drilling rod takes out from drilling well, will not Ground around polluting, prevents staff from slipping, and improves safety coefficient；7, cleaning device is gradually deeply bored by U-frame frame It around bar, is then realized and is closed by the shaft of rotation, and then realized that drilling rod circumference is multidirectional and carry out scraping soil, improve cleaning Effect does not interfere with follow-up work using finishing, and can take out to be moved at other drilling rods easily and fast and be cleaned, side Just practical；8, the design method of the rotation of each corresponding position is conducive to being normally carried out for work, and it is corresponding not interfere with other Corresponding parts are protected in the work of workpiece, improve its service life.

Description of the drawings

It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of novel petroleum well drilling drill steel support device overall structure diagram of the utility model；

Fig. 2 is a kind of novel petroleum well drilling drill-rod clamping apparatus structure schematic diagram of the utility model；

Fig. 3 is a kind of novel petroleum well drilling drilling rod cleaning device structural schematic diagram of the utility model；

Fig. 4 is a kind of novel petroleum well drilling drilling rod locking positioning mechanism structural schematic diagram of the utility model.

Reference numeral：

1- universal wheels；2- pedestals；3- rubber boots；4- sliding slots；5- locking positioning mechanisms；6- supporting rods；7- arcs Slot；8- arc fixed plates；9- backing plates；The first mandrils of 10-；11- fixed plates；The first cylinders of 12-；13- clamping devices；14- is slided Block；15- swing handles；16- fixed seats；17- fixed links；18- cleaning devices；19- screw rods；20- locating rods；21- tapers are fixed Head；501- motor；502- retarders；503- leading screws；504- slideways；505- guide blocks；506- briquettings；507- rubber springs； 508- pressing plates；509- locating slots；510- locating racks；511- check lock levers；1301-L shape fixed seats；The first gripping blocks of 1302-； 1303- support plates；1304- guide rods；1305- guide blots；The first rubber springs of 1306-；1307- baffles；1308- is compressed Protrusion；1309- extension plates；1310- shafts；1311-L shape positioning plates；1312- elastomer blocks；1313- slide plates；1314- square grooves； 1315- adjusting bolts；1316- stabiliser bars；1317- clamping bars；1318- rounded corners；The second cylinders of 1801-；1802- second is pushed up Bar；1803- slide plates；1804- third cylinders；1805- third mandrils；1806- holders；The first scraper plates of 1807-；1808- arcs are scraped Item；1809-U shape frames；1810- limited blocks；1811- fastening bolts；1812- rotation seats；1813- adjusts shaft；1814- is sold Axis；1815- side scraper plates；1816- springs；1817- gripping blocks；1818- nuts；1819- struts；1820- screws；1821- is pressed from both sides Tight bolt；Scraper plate after 1822-.

Specific implementation mode

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this The specific implementation mode of utility model is described in detail.

Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new Type can also be implemented using other different from other manner described here, and those skilled in the art can be without prejudice to this reality With doing similar popularization in the case of novel intension, therefore the utility model is not limited by following public specific embodiment.

Secondly, the utility model combination schematic diagram is described in detail, when the utility model embodiment is described in detail, for ease of Illustrate, indicates that the sectional view of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example, This should not limit the range of the utility model protection.In addition, three-dimensional space that should be comprising length, width and depth in actual fabrication Between size

Again, it should be noted that in the absence of conflict, the spy in the embodiments of the present invention and embodiment Sign can be combined with each other.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another It is described, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.

To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the accompanying drawings to the utility model Specific embodiment elaborate.

Such as Fig. 1, a kind of novel petroleum well drilling drilling rod cleaning device, including pedestal 2 and it is placed on it at triangle arrangement Supporting rod 6, be slidably connected on the supporting rod 6 backing plate 9, and 9 both sides of the backing plate are equipped with symmetrical arc fixed plate 8, the arc Arc groove 7 is provided in shape fixed plate 8, the arc groove 7 is equipped with the sliding block 14 being slidably matched, and 14 bottom of the sliding block passes through solid 17 connection fixing base 16 of fixed pole, the fixed seat 16 are equipped with locating rod 20, screw rod 19, institute are threadedly coupled in the locating rod 20 It states screw rod 19 and is equipped with taper gland 21 close to one end of the pedestal 2, the pedestal 2 is equipped with symmetrical sliding slot 4, corresponding institute The edge for stating 4 position of sliding slot is equipped with locking positioning mechanism 5, and the locking positioning mechanism 5 includes slideway 504 and coordinates sliding with it The guide block 505 of connection, 505 side wall of the guide block are equipped with briquetting 506, and the side that the pedestal 2 corresponds to the sliding slot 4 is equipped with pressing plate 508, the guide block 505 is placed in side of the pressing plate 508 far from the sliding slot 4, the briquetting 506 and the pressing plate 508 it Between be equipped with rubber spring 507, and the briquetting 506 be equipped with check lock lever 511, the check lock lever 511 pass through the pressing plate 508 and its It is slidably connected, the sliding slot 4 is equipped with locating rack 510 with 505 symmetrical side of the guide block, and the locating rack 510 is equipped with fixed Position slot 509, is additionally provided with clamping device 13 and cleaning device 18 on the backing plate 9, can be according to demand freely quickly in difference Work in drilling rod between move, where need movement where work, stability is more preferable；It, will for drilling rod to be cleaned After support device is moved to corresponding position, there can be further fixing device to realize the fixation to its position, ensure device The case where stability, there is no deflections in the course of work, avoids damage drilling rod；It is further protected by the design of retaining mechanism Stability of the locating rod 20 when not working has been demonstrate,proved, has increased protective device, will not collide in the process of moving, raising pair The service life for the parts answered.

Wherein, the supporting rod 6 of two of which is equipped with fixed plate 11, and the fixed plate 11 is equipped with the first cylinder 12, the first mandril 10 of first cylinder 12 is connect with the backing plate 9, axis and the pedestal 2 of first mandril 10 Plane is vertical.

Wherein, the fixed seat 16 is disposed away from one end of the pedestal 2, the axis of the locating rod 20 and the pedestal 1 plane is vertical.

Wherein, internal thread is equipped in the locating rod 20, the screw rod 19 is threadedly coupled across the locating rod 20 with it, The other end of the screw rod 19 is equipped with swing handle 15.

Wherein, 2 bottom of the pedestal is equipped with the universal wheel 1 of triangle arrangement, and the pedestal 2 corresponds to the position of the sliding slot 4 Bottom is equipped with rubber boot 3, and the direction that the rubber boot 3 corresponds to the sliding slot 4 is provided with trepanning.

Wherein, 505 side of the guide block stretch out be placed on leading screw 503 and with its screw-thread fit, one end of the leading screw 503 Concentric connection retarder 502, the other end of the retarder 502 is connected by motor 501 to be driven.

Wherein, the clamping device 13 includes the first clamp system being placed on the backing plate 9, symmetrical two arcs The one end of shape fixed plate 8 far from the pedestal 2 is equipped with the second clamp system of mirror image setting, and first clamp system is to fix L-shaped fixed seat 1301 on the backing plate 9 connects support plate 1303 on 1301 side of L-shaped fixed seat by support base, Guide rod 1304 is connect with the baffle of both sides 1307 respectively across the support plate 1303, and guide blot 1305 passes through the L-shaped The other side of fixed seat 1301 is connect with baffle described in one of them 1307, is connected with the baffle of the guide blot 1305 The first rubber spring 1306, the gear not connect with the guide blot 1305 are equipped between 1307 and the support plate 1303 Plate 1307 is disposed away from one end of the supporting rod 6, and the one end of 1307 side wall of the baffle far from the guide blot 1305 is set There are the first gripping block 1302,1302 end of the first gripping block to be equipped with a plurality of equally distributed compression protrusion 1308, the pressure Tight protrusion 1308 is rubber material, and the axis of the guide rod 1304 is vertical with the axis of the supporting rod 6.

Wherein, second clamp system is to be placed in extension plate 1309 that the arc fixed plate 8 extends out by turning The L-shaped positioning plate 1311 that axis 1310 is rotatablely connected is provided with square groove 1314, the square groove on the L-shaped positioning plate 1311 1314 are equipped with the slide plate 1313 of cooperation being slidably connected, side of the slide plate 1313 far from the shaft 1310 and the L Elastomer block 1312 is equipped between the side wall of shape positioning plate 1311, and adjusting bolt 1315 passes through the two is adjustable to fix, the cunning Upper lateral part of the plate 1313 far from 1310 side of the shaft connects two clamping bars 1317, the clamping bar by stabiliser bar 1316 1317 axis is parallel with the axis of the adjusting bolt 1315, and vertical with the axis of the shaft 1310, the shaft 1310 axis is parallel with the axis of the supporting rod 6, and two 1317 ends of clamping bar side close to each other is equipped with Fillet 1318.

Wherein, the cleaning device 18 includes the slide plate 1803 for being placed in 9 basal sliding of backing plate connection, the backing plate 9 Both sides are arranged with the second cylinder 1801, and the second mandril 1802 of second cylinder 1801 passes through the backing plate 9 and the cunning Plate 1803 connects, and third cylinder 1804 is fixed on the slide plate 1803, and the third mandril 1805 of the third cylinder 1804 is logical It crosses holder 1806 and connects the first scraper plate 1807, the end of first scraper plate 1807 is arcwall face, and be which is provided with multiple uniform The arc scraping article 1808 of distribution, the arc axis of the arcwall face is parallel with the axis of second mandril 1802, and described second The axis of mandril 1802 and the axis of the third mandril 1805 are mutually perpendicular to, axis and the branch of second mandril 1802 The axis of strut 6 is parallel, and the symmetrical center line of adjacent two arc scraping articles 1808 is parallel with the plane of the pedestal 2, U-frame frame 1809, the branch of the U-frame frame 1809 and the symmetrical opening side of the backing plate 9 are additionally provided on the holder 1806 Bar 1819 is rotatablely connected with it by axis pin 1814, and the strut 1819 of the other end passes through screw with the U-frame frame 1809 1820 are detachably connected, and 1809 symmetrical both sides of the U-frame frame are equipped with identical side wiper mechanism, and the strut 1819 corresponds to The side of the arc scraping article 1808 is equipped with rear wiper mechanism, and the U-frame frame 1809 is equipped with the side of axis pin 1814 and separate One end of the axis pin 1814 is equipped with limited block 1810, and the limited block 1810 is coordinated by fastening bolt 1811 and strut 1819 Fastening.

Wherein, the side wiper mechanism includes rotation seat 1812, and the rotation seat 1812 passes through adjusting equipped with cooperation The end of the side scraper plate 1815 that shaft 1813 is rotatablely connected, the side scraper plate 1815 is arcwall face, and is again provided with thereon multiple The equally distributed arc scraping article 1808, the rear wiper mechanism includes the gripping block 1817 being connect with the strut 1819, The gripping block 1817 is equipped with adjustable rear scraper plate 1822, and fishbolt 1821, the folder are equipped in the rear scraper plate 1822 Tight bolt 1821 is connected across the gripping block 1817 by nut 1818, the gripping block 1817 and the scraper plate 1822 afterwards it Between be equipped with spring 1816, it is described after the end of scraper plate 1822 be arcwall face, which is provided with same multiple equally distributed described Arc scraping article 1808, clamping device 13 are placed in the top of cleaning device 18, ensure it is more preferable in the stability of clamping, in cleaning process Drilling rod is not forced shaking, ensures that the surface of drilling rod is without damage, improves its service life；Clamping device 13 is set by circumference Meter realizes that the uniform clamping of circumferencial direction, uniform force are not susceptible to deflection, more fixed modes of point of use, stress point It dissipates and uniformly, guarantee will not cause drilling rod to deform due to excessive power, and the design of corresponding position does not interfere with normally The movement of device can take out easily and fast；The setting of cleaning device 18 can be realized to drilling rod surface soil and drilling fluid Cleaning, ensure the cleannes taken out from drilling well of drilling rod, the ground of surrounding will not be polluted, prevent staff from slipping, raising is pacified Overall coefficient；Cleaning device 18 is gradually goed deep into around drilling rod by U-frame frame, is then realized and is closed by the shaft of rotation 1814, And then realize that drilling rod circumference is multidirectional and carry out scraping soil, cleaning effect is improved, follow-up work is not interfered with using finishing, it can It takes out to be moved at other drilling rods easily and fast and be cleaned, it is convenient and practical；The design side of the rotation of each corresponding position Formula is conducive to being normally carried out for work, does not interfere with the work of other corresponding workpiece, protects corresponding parts, and improving it makes Use the service life

In actual use, for the drilling rod not taken out after work to be cleaned, whole device is moved by universal wheel 1 It to the edge equipped with drilling rod well, postpones in place, locking positioning mechanism 5 works, and the work of motor 501 drives guide block 505 thereon Movement, and then compress and check lock lever 511 is driven to return, it is moved to the direction far from sliding slot 4, opens check lock lever 511, push locating rod The 20 arcuately slidings of slot 7, are placed in the circumference of drilling rod, and the first cylinder 12 drives backing plate 9 to rise or fall to suitable position, with energy Enough to be easily clamped to drilling rod, after adjusting, rotation screw rod 19 is rotated down, by the part with taper gland 21 It being pressed downward, pierces in soil, further realize is fixed, after the completion of fixed, 1310 turns of the shaft on the arc fixed plate 8 of both sides It is dynamic, so that clamping bar 1317 is disposed adjacent to one end of drilling rod, locks shaft 1310, adjusting bolt 1315 above is rotated, Clamping bar 1317 moves closer to drilling rod, and realizes and clamped to the point of drilling rod, after adjusting, locks adjusting bolt 1315, another Side pushes the first gripping block 1302 to travel forward by guide blot 1305 compresses the first rubber spring 1306, and then realizes The clamping of the circumference multiple directions of drilling rod is realized in clamping to another direction of drilling rod, and clamping effect is more preferable, bottom after the completion of clamping The drilling rod cleaning device in portion, which starts to adjust, arrives corresponding position, and strut 1819 is in limited block 1810, and third cylinder 1804 drives First scraper plate 1807 and U-frame frame 1809 travel forward, and after moving to corresponding position, the side shield rotation of both sides further will The drilling-rod external wall hidden before clamps, this position wipes corresponding mud off, and rotation strut 1819 forms closure with U-frame frame 1809 It is rectangular, make it close to drilling rod by the adjusting of nut 1818, compression wipes the soil of this part off, after the completion the circumference of this position The soil in direction removes substantially, and the second cylinder 1801 moves up and down, and then drives and move back and forth down on the whole, and then realizes drilling rod On cleaning, it is convenient and efficient, by a partial reset after use, go to next station work.

It should be noted that above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although reference The utility model is described in detail in preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this reality It is modified or replaced equivalently with novel technical solution, without departing from the spirit and scope of technical solutions of the utility model, It should all cover in the right of the utility model.

Claims (6)

1. a kind of novel petroleum well drilling drilling rod cleaning device, it is characterised in that：Slide plate including being placed in backing plate basal sliding connection, It is fixed with third cylinder on the slide plate, the third mandril of the third cylinder connects the first scraper plate by holder, and described first The end of scraper plate is arcwall face, and which is provided with multiple equally distributed arc scraping articles, and U-frame frame is additionally provided on the holder, Symmetrically the be open strut of side of the U-frame frame and the backing plate is rotatablely connected with it by axis pin, the branch of the other end Bar is detachably connected with the U-frame frame by screw, and the symmetrical both sides of U-frame frame are equipped with identical side wiper mechanism, The strut correspond to the arc scraping article side be equipped with rear wiper mechanism, the U-frame be provided with the side of the axis pin and One end far from the axis pin is equipped with limited block, and the limited block is fastened by fastening bolt and strut cooperation, the side Wiper mechanism includes rotation seat, and the rotation seat is equipped with the side scraper plate by adjusting shaft rotation connection of cooperation, after described Wiper mechanism includes the gripping block being connect with the strut, and the gripping block, which is equipped with, is adjusted rear scraper plate, in the rear scraper plate Equipped with fishbolt, the fishbolt is connected across the gripping block by nut, the gripping block and it is described after scraper plate it Between be equipped with spring.

2. a kind of novel petroleum well drilling drilling rod cleaning device according to claim 1, it is characterised in that：The backing plate both sides It is arranged with the second cylinder, the second mandril of second cylinder is connect across the backing plate with the slide plate.

3. a kind of novel petroleum well drilling drilling rod cleaning device according to claim 2, it is characterised in that：The arcwall face Arc axis is parallel with the axis of the second mandril, and the axis of second mandril and the axis of the third mandril mutually hang down Directly.

4. a kind of novel petroleum well drilling drilling rod cleaning device according to claim 3, it is characterised in that：Second mandril Axis it is parallel with the axis of supporting rod, the symmetrical center line of two adjacent arc scraping articles is parallel with the plane of pedestal.

5. a kind of novel petroleum well drilling drilling rod cleaning device according to claim 1, it is characterised in that：The side scraper plate End is arcwall face, and is again provided with multiple equally distributed arc scraping articles thereon.

6. a kind of novel petroleum well drilling drilling rod cleaning device according to claim 1, it is characterised in that：Scraper plate after described End is arcwall face, which is provided with same multiple equally distributed arc scraping articles.