CN104128865A - Axial pressure type rust removing device for surface of petroleum drill rod - Google Patents
Axial pressure type rust removing device for surface of petroleum drill rod Download PDFInfo
- Publication number
- CN104128865A CN104128865A CN201410358820.8A CN201410358820A CN104128865A CN 104128865 A CN104128865 A CN 104128865A CN 201410358820 A CN201410358820 A CN 201410358820A CN 104128865 A CN104128865 A CN 104128865A
- Authority
- CN
- China
- Prior art keywords
- oil drill
- drill rocker
- motor
- supporting plate
- annular flap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an axial pressure type rust removing device for the surface of a petroleum drill rod. The device comprises an annular rotating plate, wherein the outer diameter part of the petroleum drill rod is sleeved with the annular rotating plate. A gap is formed between the inner diameter face of the annular rotating plate and the petroleum drill rod. Multiple sleeves are arranged on the outer surface of the annular rotating plate, the two ends of each sleeve are open, and the device further comprises sliding columns which penetrate through the annular rotating plate. One end of each sliding column extends into an inner cavity in the corresponding sleeve, and the sleeves are in threaded connection with the sliding columns. One end, extending into the corresponding sleeve, of each sliding column is a knob end, and strip-shaped grooves are formed in the end faces of the knob ends. The other ends of the sliding columns are connected with universal balls which are pressed on the outer diameter face of the petroleum drill rod. A support plate A is arranged on the left side face of the annular rotating plate, a first motor is installed on the support plate A, a first motor output shaft of the first motor penetrates through the support plate A and points to the direction of the petroleum drill rod, and one end, away from the first motor, of the first motor output shaft is connected with a grinding disc. The device can clear substances on the surface of the petroleum drill rod rapidly, and labor intensity can be relieved.
Description
Technical field
The present invention relates to axial pressing type oil drill rocker surface derusting device.
Background technology
Oil drill rocker is being used rear surface can form schmutzband and iron rust layer, in plant maintenance, oil drill rocker need to be removed its surperficial schmutzband and iron rust layer, the operation of prior art is to adopt the hand-held sander of manual type to carry out grinding process, schmutzband and iron rust layer are removed, there is following shortcoming in this mode, long construction period, workmen's manipulation strength is large, efficiency is extremely low, remove the time of an oil drill rocker and at least take 3 days, also need other auxiliary equipment to help rotation oil drill rocker, construction environment is severe, due to the oil drill rocker after using, there is oil substance and iron rust material in surface, therefore when polishing, the rotate effect of High Temperature And Velocity arrives iron rust dust lift aerial, workmen will suck pollution thing, very harmful to workmen.
Summary of the invention
The object of the present invention is to provide a kind of axial pressing type oil drill rocker surface derusting device, this device can solve quick cleaning oil drill rocker surface mass, reduces hand labor intensity.
Object of the present invention is achieved through the following technical solutions: axial pressing type oil drill rocker surface derusting device, comprise the annular flap being set on oil drill rocker external diameter, between the aperture surface of annular flap and oil drill rocker, there is gap, annular flap outer surface is provided with a plurality of sleeves, the both ends open of sleeve, also comprise the slide post that runs through annular flap, slide post one end extends to the barrel bore of sleeve inner, and sleeve and slide post carry out screw thread socket, one end that slide post extends to sleeve inner is knob end, and the end face of knob end is provided with bar-shaped trough; The other end of slide post is connected with multi-directional ball, and multi-directional ball is crimped onto on the outer diametric plane of oil drill rocker; The left surface of annular flap is provided with supporting plate A, the first motor is installed on supporting plate A, the first motor output shaft of the first motor runs through supporting plate A and points to oil drill rocker direction, and the first motor output shaft is connected with mill away from one end of the first motor, and mill is crimped onto on the outer diametric plane of oil drill rocker.
Slide post, sleeve, the multi-directional ball of on annular flap, installing can be so that this device be crimped on oil drill rocker by artificial regulative mode, operating personnel utilize a word to change cutter and are inserted into rotation slide post in bar-shaped trough, slide post is moved to oil drill rocker direction, finally make multi-directional ball be crimped onto on oil drill rocker.
Based on said structure, design principle of the present invention is: this device comprises oil drill rocker and clasps structure, clasping structure is exactly annular flap and the slide post and the multi-directional ball of installing on slide post that are arranged on annular flap, this clasps structure from circumferencial direction around oil drill rocker setting, the mode that annular flap is clamped on oil drill rocker is the degree of depth that adopts threaded adjusting slide post, detailed process is, under original state, multi-directional ball does not contact with oil drill rocker, rotate slide post, slide post is moved to oil drill rocker direction, multi-directional ball is squeezed in oil drill rocker surface, can form the clamping to oil drill rocker like this, and annular flap can move along oil drill rocker axis direction, annular flap also can be along the circumferential direction in rotary moving, now, mainly by the first motor, the first motor output shaft, mill, the polishing structure that supporting plate A forms can be carried out grinding process to oil drill rocker surface, workmen, only need the annular flap of operation to move along oil drill rocker axis direction or circumferencial direction, operating personnel may stand at a distance, utilize hand-held syndeton to be connected on annular flap, operate a long way off, total can reduce operating personnel's construction intensity, it is less that workmen is subject to air pollution injury.Mill can adopt the polishing sheet of quartz.
Preferably, in order to realize said apparatus at the automatic propulsion functions of axial direction, the left surface of annular flap is provided with supporting plate B, the second motor is installed on supporting plate B, supporting plate B is also provided with rolling wheel support A, rolling wheel support A is connected with axial driving rolls, axially driving rolls is connected with rolling wheel support A by rotating shaft M, the second motor output shaft of the second motor is connected by belt and rotating shaft M, the axis direction of rotating shaft M is vertical with the axis direction of oil drill rocker, axially driving rolls axis direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls.
This structure is to increase axial advance structure on the basis of said structure, the design principle of this structure is: on annular flap, be fixedly connected with supporting plate B, the second motor rotates by belt drives rotating shaft M, axially driving rolls axis direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls, thereby drive supporting plate B moves axially along oil drill rocker, and annular flap is now moving axially along oil drill rocker also.
In like manner preferred, in order to realize said apparatus at circumferential automatic propulsion functions, the 3rd motor is installed on supporting plate B, supporting plate B is also provided with rolling wheel support B, rolling wheel support B is connected with circumferential driving rolls, circumferential driving rolls is connected with rolling wheel support B by rotating shaft N, the 3rd motor output shaft of the 3rd motor is connected by belt and rotating shaft N, the axis direction of rotating shaft N is parallel with the axis direction of oil drill rocker, and circumferential driving rolls circumferencial direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls.
This structure is to increase axial advance structure on the basis of said structure, the design principle of this structure is: on annular flap, be fixedly connected with supporting plate B, the 3rd motor rotates by belt drives rotating shaft N, circumferential driving rolls circumferencial direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls, thereby drive supporting plate B to move along the circumferencial direction of oil drill rocker, annular flap now also moves along the circumferencial direction of oil drill rocker.
The independent use of said structure can form the motion of rectilinear motion or the circumferencial direction of axial direction, and above structure combines that use can be so that this this mobile route that carries out helix, and now this device does not need manpower driving.Now operating personnel do not need to contact construction environment, avoid the harm of construction environment to personnel, and the coupling apparatus of appeal structure can be so that this device can be to oil drill rocker 360 deg without the processing of dead angle, and construction effect is good.
Preferably, annular flap is circular rings or polygon ring.During polygon ring, facilitate the installation of each device.
Preferably, axially the periphery of driving rolls and the periphery of circumferential driving rolls are all arranged with rubber ring.Increase frictional force.
Preferably.The rotating speed of the 3rd motor is at least 2 times of the second motor speed.
The invention has the advantages that: can solve quick cleaning oil drill rocker surface mass, reduce hand labor intensity, workmen is without execute-in-place.
Accompanying drawing explanation
Fig. 1 is that the present invention is at the structure chart of oil drill rocker end face direction.
Fig. 2 is the structure chart of side-looking direction of the present invention.
Fig. 3 is the end face structure figure of slide post.
Reference numeral in figure is expressed as: 1, oil drill rocker; 2, annular flap; 3, sleeve; 4, supporting plate A; 5, supporting plate B; 31, barrel bore; 32, slide post; 33, multi-directional ball; 34, bar-shaped trough; 41, the first motor; 42, the first motor output shaft; 43, mill; 51, the second motor; 52, axial driving rolls; 53, rolling wheel support A; 54, the 3rd motor; 55, the 3rd motor output shaft; 56, rolling wheel support B; 57, circumferential driving rolls.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1-Figure 3
Axial pressing type oil drill rocker surface derusting device, comprise the annular flap 2 being set on oil drill rocker 1 external diameter, between the aperture surface of annular flap 2 and oil drill rocker 1, there is gap, annular flap outer surface is provided with a plurality of sleeves 3, the both ends open of sleeve, also comprise the slide post 32 that runs through annular flap, slide post 32 one end extend to the barrel bore 31 of sleeve 3 inside, and sleeve 3 carries out screw thread socket with slide post 32, one end that slide post 32 extends to sleeve 3 inside is knob end, and the end face of knob end is provided with bar-shaped trough 34; The other end of slide post 32 is connected with multi-directional ball 33, and multi-directional ball 33 is crimped onto on the outer diametric plane of oil drill rocker 1; The left surface of annular flap is provided with supporting plate A4, the first motor 41 is installed on supporting plate A4, the first motor output shaft 42 of the first motor 41 runs through supporting plate A4 and points to oil drill rocker 1 direction, the first motor output shaft 42 is connected with mill 43 away from one end of the first motor, and mill 43 is crimped onto on the outer diametric plane of oil drill rocker.
Slide post, sleeve, the multi-directional ball of on annular flap, installing can be so that this device be crimped on oil drill rocker by artificial regulative mode, operating personnel utilize a word to change cutter and are inserted into rotation slide post 32 in bar-shaped trough, slide post 32 is moved to oil drill rocker direction, finally make multi-directional ball be crimped onto on oil drill rocker.
Based on said structure, design principle of the present invention is: this device comprises oil drill rocker and clasps structure, clasping structure is exactly annular flap and the slide post and the multi-directional ball of installing on slide post that are arranged on annular flap, this clasps structure from circumferencial direction around oil drill rocker setting, the mode that annular flap is clamped on oil drill rocker is the degree of depth that adopts threaded adjusting slide post, detailed process is, under original state, multi-directional ball does not contact with oil drill rocker, rotate slide post, slide post is moved to oil drill rocker direction, multi-directional ball is squeezed in oil drill rocker surface, can form the clamping to oil drill rocker like this, and annular flap can move along oil drill rocker axis direction, annular flap also can be along the circumferential direction in rotary moving, now, mainly by the first motor, the first motor output shaft, mill, the polishing structure that supporting plate A forms can be carried out grinding process to oil drill rocker surface, workmen, only need the annular flap of operation to move along oil drill rocker axis direction or circumferencial direction, operating personnel may stand at a distance, utilize hand-held syndeton to be connected on annular flap, operate a long way off, total can reduce operating personnel's construction intensity, it is less that workmen is subject to air pollution injury.Mill can adopt the polishing sheet of quartz.
Preferably, in order to realize said apparatus at the automatic propulsion functions of axial direction, the left surface of annular flap is provided with supporting plate B5, the second motor 51 is installed on supporting plate B5, supporting plate B5 is also provided with rolling wheel support A53, rolling wheel support A53 is connected with axial driving rolls 52, axially driving rolls 52 is connected with rolling wheel support A53 by rotating shaft M, the second motor output shaft of the second motor 51 is connected by belt and rotating shaft M, the axis direction of rotating shaft M is vertical with the axis direction of oil drill rocker, axially driving rolls 52 axis direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls.
This structure is to increase axial advance structure on the basis of said structure, the design principle of this structure is: on annular flap, be fixedly connected with supporting plate B, the second motor 51 rotates by belt drives rotating shaft M, axially driving rolls 52 axis direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls, thereby drive supporting plate B5 moves axially along oil drill rocker, and annular flap is now moving axially along oil drill rocker also.
In like manner preferred, in order to realize said apparatus at circumferential automatic propulsion functions, the 3rd motor 54 is installed on supporting plate B5, supporting plate B5 is also provided with rolling wheel support B56, rolling wheel support B56 is connected with circumferential driving rolls 57, circumferential driving rolls 57 is connected with rolling wheel support B56 by rotating shaft N, the 3rd motor output shaft 55 of the 3rd motor 54 is connected by belt and rotating shaft N, the axis direction of rotating shaft N is parallel with the axis direction of oil drill rocker, circumferential driving rolls 57 circumferencial direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls.
This structure is to increase axial advance structure on the basis of said structure, the design principle of this structure is: on annular flap, be fixedly connected with supporting plate B, the 3rd motor 54 rotates by belt drives rotating shaft N, circumferential driving rolls 57 circumferencial direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls, thereby drive supporting plate B5 to move along the circumferencial direction of oil drill rocker, annular flap now also moves along the circumferencial direction of oil drill rocker.
The independent use of said structure can form the motion of rectilinear motion or the circumferencial direction of axial direction, and above structure combines that use can be so that this this mobile route that carries out helix, and now this device does not need manpower driving.Now operating personnel do not need to contact construction environment, avoid the harm of construction environment to personnel, and the coupling apparatus of appeal structure can be so that this device can be to oil drill rocker 360 deg without the processing of dead angle, and construction effect is good.
Preferably, annular flap 2 is circular rings or polygon ring.During polygon ring, facilitate the installation of each device.
Preferably, axially the periphery of driving rolls and the periphery of circumferential driving rolls are all arranged with rubber ring.Increase frictional force.
Preferably.The rotating speed of the 3rd motor is at least 2 times of the second motor speed.
As mentioned above, can well realize the present invention.
Claims (6)
1. axial pressing type oil drill rocker surface derusting device, it is characterized in that: comprise the annular flap (2) being set on oil drill rocker (1) external diameter, between the aperture surface of annular flap (2) and oil drill rocker (1), there is gap, annular flap outer surface is provided with a plurality of sleeves (3), the both ends open of sleeve, also comprise the slide post (32) that runs through annular flap, slide post (32) one end extends to the inner barrel bore (31) of sleeve (3), and sleeve (3) carries out screw thread socket with slide post (32), it is knob end that slide post (32) extends to the inner one end of sleeve (3), the end face of knob end is provided with bar-shaped trough (34), the other end of slide post (32) is connected with multi-directional ball (33), and multi-directional ball (33) is crimped onto on the outer diametric plane of oil drill rocker (1), the left surface of annular flap is provided with supporting plate A(4), the first motor (41) is installed supporting plate A(4), first motor output shaft (42) of the first motor (41) runs through supporting plate A(4) sensing oil drill rocker (1) direction, the first motor output shaft (42) is connected with mill (43) away from one end of the first motor, and mill (43) is crimped onto on the outer diametric plane of oil drill rocker.
2. axial pressing type oil drill rocker surface derusting device according to claim 1, it is characterized in that: the left surface of annular flap is provided with supporting plate B(5), the second motor (51) is installed supporting plate B(5), supporting plate B(5) rolling wheel support A(53 is also installed), rolling wheel support A(53) be connected with axial driving rolls (52), axially driving rolls (52) is by rotating shaft M and rolling wheel support A(53) be connected, the second motor output shaft of the second motor (51) is connected by belt and rotating shaft M, the axis direction of rotating shaft M is vertical with the axis direction of oil drill rocker, axially driving rolls (52) axis direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls.
3. axial pressing type oil drill rocker surface derusting device according to claim 2, it is characterized in that: the 3rd motor (54) is installed supporting plate B(5), supporting plate B(5) rolling wheel support B(56 is also installed), rolling wheel support B(56) be connected with circumferential driving rolls (57), circumferential driving rolls (57) is by rotating shaft N and rolling wheel support B(56) be connected, the 3rd motor output shaft (55) of the 3rd motor (54) is connected by belt and rotating shaft N, the axis direction of rotating shaft N is parallel with the axis direction of oil drill rocker, circumferential driving rolls (57) circumferencial direction along oil drill rocker on the outer diametric plane of oil drill rocker rolls.
4. axial pressing type oil drill rocker surface derusting device according to claim 1, is characterized in that: annular flap (2) is circular rings or polygon ring.
5. axial pressing type oil drill rocker surface derusting device according to claim 3, is characterized in that: axially the periphery of driving rolls and the periphery of circumferential driving rolls are all arranged with rubber ring.
6. axial pressing type oil drill rocker surface derusting device according to claim 3, is characterized in that: the rotating speed of the 3rd motor is at least 2 times of the second motor speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358820.8A CN104128865A (en) | 2014-07-27 | 2014-07-27 | Axial pressure type rust removing device for surface of petroleum drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358820.8A CN104128865A (en) | 2014-07-27 | 2014-07-27 | Axial pressure type rust removing device for surface of petroleum drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104128865A true CN104128865A (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410358820.8A Pending CN104128865A (en) | 2014-07-27 | 2014-07-27 | Axial pressure type rust removing device for surface of petroleum drill rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN104128865A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786122A (en) * | 2015-03-31 | 2015-07-22 | 成都来宝石油设备有限公司 | Rust removing machine special for petroleum pipeline |
| CN105856034A (en) * | 2016-04-06 | 2016-08-17 | 西安优盛航空科技有限公司 | Positioning and polishing device for aircraft oil pipe |
| CN106217209A (en) * | 2016-08-23 | 2016-12-14 | 盐城市锦瑞石油机械有限公司 | Drilling rod automatic rust-removing dust exhaust apparatus |
| CN108340255A (en) * | 2017-12-13 | 2018-07-31 | 建始县楚瑜精密铸造有限责任公司 | A kind of metal grinding device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311652A (en) * | 1992-05-26 | 1994-05-17 | Shaw Industries Ltd. | Method of improving the surface of steel pipe for corrosion resistant coating |
| CN101255942A (en) * | 2007-03-01 | 2008-09-03 | 中国石油天然气股份有限公司 | Automatic spraying machine for on-site overhaul of pipeline |
| CN202742181U (en) * | 2012-06-07 | 2013-02-20 | 郑春山 | Steel pipe derusting machine |
| CN203189603U (en) * | 2013-04-09 | 2013-09-11 | 甘肃蓝科石化高新装备股份有限公司 | Novel elastic damping righting frame |
| CN203579369U (en) * | 2013-10-11 | 2014-05-07 | 广东工业大学 | Steel tube outer surface derusting grinding device |
-
2014
- 2014-07-27 CN CN201410358820.8A patent/CN104128865A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311652A (en) * | 1992-05-26 | 1994-05-17 | Shaw Industries Ltd. | Method of improving the surface of steel pipe for corrosion resistant coating |
| CN101255942A (en) * | 2007-03-01 | 2008-09-03 | 中国石油天然气股份有限公司 | Automatic spraying machine for on-site overhaul of pipeline |
| CN202742181U (en) * | 2012-06-07 | 2013-02-20 | 郑春山 | Steel pipe derusting machine |
| CN203189603U (en) * | 2013-04-09 | 2013-09-11 | 甘肃蓝科石化高新装备股份有限公司 | Novel elastic damping righting frame |
| CN203579369U (en) * | 2013-10-11 | 2014-05-07 | 广东工业大学 | Steel tube outer surface derusting grinding device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786122A (en) * | 2015-03-31 | 2015-07-22 | 成都来宝石油设备有限公司 | Rust removing machine special for petroleum pipeline |
| CN105856034A (en) * | 2016-04-06 | 2016-08-17 | 西安优盛航空科技有限公司 | Positioning and polishing device for aircraft oil pipe |
| CN106217209A (en) * | 2016-08-23 | 2016-12-14 | 盐城市锦瑞石油机械有限公司 | Drilling rod automatic rust-removing dust exhaust apparatus |
| CN108340255A (en) * | 2017-12-13 | 2018-07-31 | 建始县楚瑜精密铸造有限责任公司 | A kind of metal grinding device |
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