CN105289915A - Automatic antiseptic grease applying device for oil pipe drill pipe screw thread - Google Patents
Automatic antiseptic grease applying device for oil pipe drill pipe screw thread Download PDFInfo
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- CN105289915A CN105289915A CN201510801681.6A CN201510801681A CN105289915A CN 105289915 A CN105289915 A CN 105289915A CN 201510801681 A CN201510801681 A CN 201510801681A CN 105289915 A CN105289915 A CN 105289915A
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Abstract
The invention relates to an automatic antiseptic grease applying device for an oil pipe drill pipe screw thread, and belongs to the technical field of petroleum drilling rig protection and maintenance equipment. The automatic antiseptic grease applying device is composed of a bottom plate, an oil storage tank, a control box, a transmission screw, a screw motor, a pressurizing motor and an applying device body. A screw box is arranged at one end of the upper surface of the bottom plate, and a push frame is arranged at the other end of the upper surface of the bottom plate. The oil storage tank is arranged on the part, between the push frame and the screw box, of the bottom plate. The pressurizing motor is arranged on the part, on one side of the oil storage tank, of the bottom plate. The transmission screw in the screw box is provided with a lifting rod through a sliding block. The applying device body is fixedly arranged at the top end of the lifting rod. The applying device body, the screw motor and the pressurizing motor are all connected with the control box. According to the applying device, a rotation bucket is driven by a rotation motor to rotate so as to drive an oil applying brush to rotate, and accordingly antiseptic grease is applied to the oil pipe drill pipe screw thread. The problems that manual applying of the antiseptic grease is not even, thread gluing is likely to happen, and the labor amount is large are effectively solved, and the automatic antiseptic grease applying device is particularly suitable for antiseptic grease applying of the oil pipe drill pipe screw thread.
Description
Technical field
The present invention relates to a kind of oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus, belong to oil drilling tools protection and maintenance equipment technical field.
Background technology
Oil drilling tools, as oil pipe drill rod smear anti-corrosion grease time, it is method comparatively conventional at present that artificial hand-held anti-corrosion grease is smeared drilling rod, although most of region of oil pipe drill rod can be smeared, also can reach the anti-corrosive technology requirement of drilling rod, but have uneven, the easy thread gluing of anti-corrosion grease, the amount of labour large, smear the problems such as efficiency is low, particularly when bad environments, add the danger coefficient of operating personnel, also cause the serious waste of anti-corrosion grease resource simultaneously.Therefore, for in oil pipe drill rod production accumulating, on-the-spot application process, manually smear that screw thread anti-corrosion grease workload is large, efficiency is low, high in cost of production problem, urgently develop a kind of anti-corrosion grease and automatically smear equipment, efficiency is smeared to improve, reduce the danger coefficient of operating personnel, avoid the serious waste of anti-corrosion grease resource simultaneously.
Summary of the invention
The object of the invention is to: provide that a kind of structure is simple, operating efficiency is high, effectively can solve and manually smear the problems such as uneven, the easy thread gluing of anti-corrosion grease, the amount of labour be large, the waste of anti-corrosion grease resource can be avoided simultaneously, thus reduce the oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus of drilling tool maintenance cost.
Technical scheme of the present invention is:
A kind of oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus, it by base plate, oil storage tank, control cabinet, drive lead screw, lead screw motor, add Medium-voltage Motor and applicator is formed, it is characterized in that: base plate lower surface is equipped with roller, screw mandrel case is equipped with in plate upper surface one end, the plate upper surface other end is equipped with push bracket, and push bracket is equipped with control cabinet; Base plate between push bracket and screw mandrel case is equipped with oil storage tank, extrusion piston is provided with in oil storage tank, the base plate of oil storage tank side is equipped with and adds Medium-voltage Motor, add Medium-voltage Motor and be connected with the extrusion piston in oil storage tank by pressurization screw mandrel, the base plate adding Medium-voltage Motor one end is provided with power supply box; Power supply box is communicated with control cabinet, is provided with drive lead screw in screw mandrel case, and the base plate of screw mandrel case side is equipped with lead screw motor, and lead screw motor is connected with drive lead screw; Drive lead screw in screw mandrel case is equipped with elevating lever by slide block, and termination, elevating lever top is fixed with applicator, described applicator, lead screw motor with add Medium-voltage Motor and be connected with control cabinet respectively.
Described applicator is made up of mount pad, fixing oil drum, rotary barrel, suspension bracket, electric rotating machine, travelling gear, gear ring and brush; Mount pad is fixed with fixing oil drum, the forward end seal shape of fixing oil drum is set with rotary barrel, and the front end face of rotary barrel is fixed with brush, and the below of fixing oil drum is provided with electric rotating machine by suspension bracket, and the output shaft of electric rotating machine is equipped with travelling gear; Rotary barrel is set with gear ring, and gear ring and travelling gear are connected with a joggle; Fixing oil drum in described rotary barrel is circumferentially evenly equipped with oil outlet.
Described fixing oil drum is convex character shape; Fixing oil drum is communicated with oil storage tank by being communicated with flexible pipe.
Described brush is made up of bend pipe, sleeve pipe, regulating part and polish applying shoes-brush, and bend pipe is movably installed with sleeve pipe by regulating part, and sleeve pipe is set with polish applying shoes-brush, and the sleeve pipe corresponding with polish applying shoes-brush is circumferentially provided with oil-out.
Beneficial effect of the present invention is:
This oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus drives leading screw to drive piston press anti-corrosion grease by motor, and grease brush provides anti-corrosion grease.And rotated by electric rotating machine driven rotary bucket, and then drive polish applying shoes-brush to rotate, realize rail drilling rod thread thus and smear anti-corrosion grease.This oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus can be carried out up and down and the movement of left and right applicator by elevating lever and drive lead screw, can be finely tuned polish applying shoes-brush by regulating part, closely rotate around drilling rod thread to make polish applying shoes-brush, and then anti-corrosion grease is spread upon on screw thread equably, efficiently solve that manually to smear anti-corrosion grease uneven, easy thread gluing, the problems such as the amount of labour is large, this oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus structure is simple, operating efficiency is high, effectively can avoid the waste of anti-corrosion grease resource, thus reduce drilling tool maintenance cost, be specially adapted to oil pipe drill rod screw thread anti-corrosion grease and smear use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is side-looking structural representation of the present invention;
Fig. 3 is plan structure schematic diagram of the present invention;
Fig. 4 is the structural representation of applicator of the present invention.
In figure: 1, base plate, 2, oil storage tank, 3, control cabinet, 4, drive lead screw, 5, add Medium-voltage Motor, 6, roller, 7, screw mandrel case, 8, push bracket, 9, power supply box, 10, slide block, 11, elevating lever, 12, mount pad, 13, fixing oil drum, 14, rotary barrel, 15, suspension bracket, 16, electric rotating machine, 17, travelling gear, 18, gear ring, 19, flexible pipe is communicated with, 20, bend pipe, 21, sleeve pipe, 22, regulating part, 23, polish applying shoes-brush, 24, oil-out, 25, oil outlet, 26, lead screw motor.
Detailed description of the invention
This oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus by base plate 1, oil storage tank 2, control cabinet 3, drive lead screw 4, lead screw motor 26, add Medium-voltage Motor 5 and applicator is formed.Base plate 1 lower surface is equipped with roller 6, and screw mandrel case 7 is equipped with in base plate 1 upper surface one end, the base plate 1 upper surface other end is equipped with push bracket 8, push bracket 8 is equipped with control cabinet 3; Base plate 1 between push bracket 8 and screw mandrel case 7 is equipped with oil storage tank 2, in oil storage tank 2, is provided with extrusion piston, the base plate 1 of oil storage tank 2 side is equipped with and adds Medium-voltage Motor 5, add Medium-voltage Motor 5 and be connected with the extrusion piston in oil storage tank 2 by pressurization screw mandrel.
The base plate 1 adding Medium-voltage Motor 5 one end is provided with power supply box 9; Power supply box 9 is communicated with control cabinet 3.Be provided with drive lead screw 4 in screw mandrel case 7, the base plate 1 of screw mandrel case 7 one end is equipped with lead screw motor 26, and lead screw motor 26 is connected with drive lead screw 4.Drive lead screw 4 in screw mandrel case 7 is equipped with elevating lever 11 by slide block 10, and termination, elevating lever 11 top is fixed with applicator.
Applicator is made up of mount pad 12, fixing oil drum 13, rotary barrel 14, suspension bracket 15, electric rotating machine 16, travelling gear 17, gear ring 18 and brush; Mount pad 12 is fixed with fixing oil drum 13, fixing oil drum 13 is in convex character shape; Fixing oil drum 13 is communicated with oil storage tank 2 by being communicated with flexible pipe 19.
The forward end seal shape of fixing oil drum 13 is set with rotary barrel 14, and the front end face of rotary barrel 14 is fixed with brush.Brush is made up of bend pipe 20, sleeve pipe 21, regulating part 22 and polish applying shoes-brush 23, and bend pipe 20 is movably installed with sleeve pipe 21 by regulating part 22, sleeve pipe 21 is set with polish applying shoes-brush 23, and the sleeve pipe 20 corresponding with polish applying shoes-brush 23 is circumferentially provided with oil-out 24.
The below of fixing oil drum 13 is provided with electric rotating machine 16 by suspension bracket 15, the output shaft of electric rotating machine 16 is equipped with travelling gear 17.Rotary barrel 14 is set with gear ring 18, gear ring 18 and travelling gear 17 are connected with a joggle.Fixing oil drum 13 in rotary barrel 14 is circumferentially evenly equipped with oil outlet 25.
Electric rotating machine 16, lead screw motor 26 with add Medium-voltage Motor 5 and be connected with control cabinet 3 respectively.
This oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus drives leading screw to drive anti-corrosion grease in piston press oil storage tank 2 by adding Medium-voltage Motor 5, anti-corrosion grease enters fixing oil drum 13 through being communicated with flexible pipe 19, and enter to rotary barrel 14 by oil outlet 25, be sprayed onto on polish applying shoes-brush 23 by bend pipe 20, sleeve pipe 21 by oil-out 24 again, be applied on the screw thread of oil pipe drill rod eventually through polish applying shoes-brush 23, thus complete the oiling work of the screw thread of oil pipe drill rod.
Rotated by electric rotating machine 16, travelling gear 17 and gear ring 18 driven rotary bucket 14 in this oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus course of work, thus drive polish applying shoes-brush 23 around the oil pipe drill rod circular-rotation treating oiling.In this process, can be carried out up and down and the movement of left and right applicator by elevating lever 11 and drive lead screw 4, to adapt to the oil pipe drill rod framed bent of different height, thus determine axle center; Can be finely tuned polish applying shoes-brush 23 by regulating part 22, closely rotate round drilling rod thread to make polish applying shoes-brush 23, and then anti-corrosion grease is spread upon on screw thread equably, efficiently solve and manually smear the problems such as uneven, the easy thread gluing of anti-corrosion grease, the amount of labour be large, this oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus structure is simple, operating efficiency is high, effectively can avoid the waste of anti-corrosion grease resource, thus reduce drilling tool maintenance cost, be specially adapted to oil pipe drill rod screw thread anti-corrosion grease and smear use.
Claims (4)
1. an oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus, it by base plate (1), oil storage tank (2), control cabinet (3), drive lead screw (4), lead screw motor (26), add Medium-voltage Motor (5) and applicator is formed, it is characterized in that: base plate (1) lower surface is equipped with roller (6), screw mandrel case (7) is equipped with in base plate (1) upper surface one end, base plate (1) the upper surface other end is equipped with push bracket (8), and (8) are equipped with control cabinet (3) to push bracket; Base plate (1) between push bracket (8) and screw mandrel case (7) is equipped with oil storage tank (2), oil storage tank is provided with extrusion piston in (2), the base plate (1) of oil storage tank (2) side is equipped with and adds Medium-voltage Motor (5), add Medium-voltage Motor (5) to be connected with the extrusion piston in oil storage tank (2) by pressurization screw mandrel, the base plate (1) adding Medium-voltage Motor (5) one end is provided with power supply box (9); Power supply box (9) is communicated with control cabinet (3), is provided with drive lead screw (4) in screw mandrel case (7), and the base plate (1) of screw mandrel case (7) side is equipped with lead screw motor (26), and lead screw motor (26) is connected with drive lead screw (4); Drive lead screw (4) in screw mandrel case (7) is equipped with elevating lever (11) by slide block (10), and elevating lever (11) termination, top is fixed with applicator, described applicator, lead screw motor (26) with add Medium-voltage Motor (5) and be connected with control cabinet respectively.
2. a kind of oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus according to claim 1, is characterized in that: described applicator is made up of mount pad (12), fixing oil drum (13), rotary barrel (14), suspension bracket (15), electric rotating machine (16), travelling gear (17), gear ring (18) and brush; Mount pad (12) is fixed with fixing oil drum (13), the forward end seal shape of fixing oil drum (13) is set with rotary barrel (14), the front end face of rotary barrel (14) is fixed with brush, the below of fixing oil drum (13) is provided with electric rotating machine (16) by suspension bracket (15), the output shaft of electric rotating machine (16) is equipped with travelling gear (17); Rotary barrel (14) is set with gear ring (18), gear ring (18) and travelling gear (17) are connected with a joggle; Fixing oil drum (13) in described rotary barrel (14) is circumferentially evenly equipped with oil outlet (25).
3. a kind of oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus according to claim 2, is characterized in that: described fixing oil drum (13) is in convex character shape; Fixing oil drum (13) is communicated with oil storage tank (2) by being communicated with flexible pipe (19).
4. a kind of oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus according to claim 2, it is characterized in that: described brush is made up of bend pipe (20), sleeve pipe (21), regulating part (22) and polish applying shoes-brush (23), bend pipe (20) is movably installed with sleeve pipe (21) by regulating part (22), sleeve pipe (21) is set with polish applying shoes-brush (23), the sleeve pipe (21) corresponding with polish applying shoes-brush (23) is circumferentially provided with oil-out (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801681.6A CN105289915B (en) | 2015-11-19 | 2015-11-19 | A kind of oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801681.6A CN105289915B (en) | 2015-11-19 | 2015-11-19 | A kind of oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus |
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| Publication Number | Publication Date |
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| CN105289915A true CN105289915A (en) | 2016-02-03 |
| CN105289915B CN105289915B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510801681.6A Expired - Fee Related CN105289915B (en) | 2015-11-19 | 2015-11-19 | A kind of oil pipe drill rod screw thread anti-corrosion grease automatic painting apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944909A (en) * | 2016-06-27 | 2016-09-21 | 无锡中地钻探装备有限公司 | Manual rapid oil coating device for drill rod |
| CN105944914A (en) * | 2016-06-27 | 2016-09-21 | 无锡中地钻探装备有限公司 | Oil coating device for end part of drill rod |
| CN108057551A (en) * | 2018-01-21 | 2018-05-22 | 西南石油大学 | A kind of drilling rod thread automatic fuel spray device based on tracking cart |
| CN108554863A (en) * | 2017-12-27 | 2018-09-21 | 韩菲菲 | A kind of endoporus oil-adding mechanism of roller inner holes oiling machine |
| CN109107804A (en) * | 2018-08-08 | 2019-01-01 | 芜湖易测自动化设备有限公司 | A kind of metal plate bending machine mold care device |
| CN110142177A (en) * | 2019-05-24 | 2019-08-20 | 安徽商贸职业技术学院 | A kind of bamboo product goods of furniture for display rather than for use oils equipment |
| CN115069478A (en) * | 2022-07-12 | 2022-09-20 | 天津金一金属丝绳有限公司 | Elevator is straight line paint equipment for wire rope |
| CN115999830A (en) * | 2023-03-28 | 2023-04-25 | 南通土力机械制造有限公司 | Drilling rod tip oiling station of rotary drill |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2877889Y (en) * | 2006-01-25 | 2007-03-14 | 国营红阳机械厂 | Revolving body inner and outer surface spraying machine |
| CN201231209Y (en) * | 2008-07-29 | 2009-05-06 | 大庆油田龙阳实业公司 | Anti-corrosive oil-tube internal-diameter high-pressure airless sprayer under oilfield well |
| CN202719351U (en) * | 2012-08-10 | 2013-02-06 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Drill rod lubricating grease automatic shelling-out device |
| CN203425997U (en) * | 2013-08-01 | 2014-02-12 | 胜利油田森诺胜利工程有限公司 | Novel sealing grease coating device of oil tube screw thread |
| CN104511403A (en) * | 2013-09-30 | 2015-04-15 | 扬州市油田金达实业有限公司 | Drilling rod screw thread oiling machine |
| CN204276253U (en) * | 2014-11-17 | 2015-04-22 | 中国石油大学(华东) | A kind of for drilling rod automatic oiling tool arm device |
| CN205096037U (en) * | 2015-11-19 | 2016-03-23 | 长江大学 | Automatic device of paining of anticorrosive fat of oil pipe drilling rod screw thread |
-
2015
- 2015-11-19 CN CN201510801681.6A patent/CN105289915B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2877889Y (en) * | 2006-01-25 | 2007-03-14 | 国营红阳机械厂 | Revolving body inner and outer surface spraying machine |
| CN201231209Y (en) * | 2008-07-29 | 2009-05-06 | 大庆油田龙阳实业公司 | Anti-corrosive oil-tube internal-diameter high-pressure airless sprayer under oilfield well |
| CN202719351U (en) * | 2012-08-10 | 2013-02-06 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Drill rod lubricating grease automatic shelling-out device |
| CN203425997U (en) * | 2013-08-01 | 2014-02-12 | 胜利油田森诺胜利工程有限公司 | Novel sealing grease coating device of oil tube screw thread |
| CN104511403A (en) * | 2013-09-30 | 2015-04-15 | 扬州市油田金达实业有限公司 | Drilling rod screw thread oiling machine |
| CN204276253U (en) * | 2014-11-17 | 2015-04-22 | 中国石油大学(华东) | A kind of for drilling rod automatic oiling tool arm device |
| CN205096037U (en) * | 2015-11-19 | 2016-03-23 | 长江大学 | Automatic device of paining of anticorrosive fat of oil pipe drilling rod screw thread |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944909A (en) * | 2016-06-27 | 2016-09-21 | 无锡中地钻探装备有限公司 | Manual rapid oil coating device for drill rod |
| CN105944914A (en) * | 2016-06-27 | 2016-09-21 | 无锡中地钻探装备有限公司 | Oil coating device for end part of drill rod |
| CN108554863A (en) * | 2017-12-27 | 2018-09-21 | 韩菲菲 | A kind of endoporus oil-adding mechanism of roller inner holes oiling machine |
| CN108554863B (en) * | 2017-12-27 | 2021-02-23 | 韩菲菲 | Inner hole oiling mechanism of roller inner hole oiling machine |
| CN108057551A (en) * | 2018-01-21 | 2018-05-22 | 西南石油大学 | A kind of drilling rod thread automatic fuel spray device based on tracking cart |
| CN109107804A (en) * | 2018-08-08 | 2019-01-01 | 芜湖易测自动化设备有限公司 | A kind of metal plate bending machine mold care device |
| CN110142177A (en) * | 2019-05-24 | 2019-08-20 | 安徽商贸职业技术学院 | A kind of bamboo product goods of furniture for display rather than for use oils equipment |
| CN115069478A (en) * | 2022-07-12 | 2022-09-20 | 天津金一金属丝绳有限公司 | Elevator is straight line paint equipment for wire rope |
| CN115069478B (en) * | 2022-07-12 | 2024-06-11 | 天津金一金属丝绳有限公司 | Linear paint drawing equipment for elevator steel wire rope |
| CN115999830A (en) * | 2023-03-28 | 2023-04-25 | 南通土力机械制造有限公司 | Drilling rod tip oiling station of rotary drill |
| CN115999830B (en) * | 2023-03-28 | 2023-06-16 | 南通土力机械制造有限公司 | Drilling rod tip oiling station of rotary drill |
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| CN105289915B (en) | 2017-07-21 |
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