CN103589448A - Driving machine for middle part of drilling rod - Google Patents
Driving machine for middle part of drilling rod Download PDFInfo
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- CN103589448A CN103589448A CN201310321793.2A CN201310321793A CN103589448A CN 103589448 A CN103589448 A CN 103589448A CN 201310321793 A CN201310321793 A CN 201310321793A CN 103589448 A CN103589448 A CN 103589448A
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- drilling rod
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- rotating base
- worm gear
- driving machine
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Abstract
The invention provides a driving machine for a middle part of a drilling rod, which belongs to the technical field of petrifaction oil refining mechanical equipment, and mainly solves the problems that the requirements on the perpendicularity of the drilling rod is high, the impact on a decoking derrick and a drilling rod rail is great and the overhauling and maintenance are inconvenient in an existing drilling rod top drive. The driving machine for the middle part of the drilling rod is mainly characterized by comprising clamping wheel sets which are horizontally and symmetrically arranged, a rotary base, a base and a worm gear case, and a rotary base driving mechanism, wherein the rotary base is provided with an axial through hole; the outer part of the lower section of the base is matched with a central hole of a tower opening centering device; the worm gear case is connected with the base; the rotary base is a shaft sleeve with a radial platform; the rotary base stretches into a cavity formed by the worm gear case and the base; the rotary base driving mechanism is connected with the worm gear case; the clamping wheel sets are fixedly mounted on a radial platform of the rotary base. The driving machine for the middle part of the drilling rod has the characteristics of being simple in structure, being used for driving the middle part of the drilling rod, incapable of moving up and down along the drilling rod and convenient to overhaul; the driving machine for the middle part of the drilling rod is mainly used for driving the drilling rod to rotate in a hydraulic decoking process of a delayed coking device.
Description
Technical field
The invention belongs to petrochemical complex oil refining mechanical equipment technical field, be specifically related to a kind of coke tower decoking drilling rod middle part driving machine, be applied to the mechanical means that delayed coking unit hydraulic decoking equipment middle part drives drilling rod rotation.
Background technology
In current domestic delayed coking unit, the spinning movement of decoking drilling rod, all to drive drilling rod to rotate by being arranged on electric swivel or the pneumatic water tap at drilling rod top, in decoking process, drilling rod should rotate again and move up and down, electric swivel or pneumatic water tap are also along with drilling rod moves up and down, the about 40m of miles of relative movement left and right, top of coke tower service platform height is in 5m to 45m scope relatively, when coke drum decoking is holed, once breaking down, electric swivel or pneumatic water tap rest on tens meters of high-altitudes, to service work, bring very big difficulty, airduct or cable suspension are aloft, cable is easily pulled off etc., there is very large potential safety hazard.In addition, existing installation adopts top drive more, drives drilling rod verticality is had relatively high expectations, and drilling rod speed improves can produce very big whipping, and drilling rod swings together with electric swivel or pneumatic water tap, to decoking derrick and drilling rod track, impacts very large.Employing hydroturbine or water motor that drilling rod bottom has, but because coker decoking situation is complicated severe, often occur that moment of torsion bradawl is motionless, often there is bit freezing phenomenon, affect equipment safety and produce.
Summary of the invention
Object of the present invention be exactly for above-mentioned weak point, provide a kind of simple in structure, can be used for that drilling rod middle part drives and not with drilling rod move up and down, the drilling rod middle part driving machine of convenient maintenance.
Technical solution of the present invention is: a kind of drilling rod middle part driving machine, is characterized in that: comprise clamping wheels, rotating base, base and worm gear case, rotating base driving mechanism that horizontal symmetrical arranges; Wherein, base is provided with can be by the axially extending bore of drilling rod, and base hypomere is outside to match with the centre hole of tower mouth centralizer, and worm gear case is connected with base; Rotating base is can be through the axle sleeve in drilling rod hole with radial platform and band, and rotating base stretches in the chamber of worm gear case and base formation; Rotating base driving mechanism is fixed on base, is connected with rotating base; The clamping wheels of horizontal symmetrical setting are fixed in the radial platform of rotating base.
The clamping wheels of the horizontal symmetrical setting described in the technology of the present invention solution comprise that 4 or a plurality of horizontal symmetrical are arranged in can be through drilling rod hole pinch wheels around on rotating base, and each pinch wheels is all fixed in rotating base radial platform by locating shaft, support, dish spring, bearing.
Rotating base driving mechanism described in the technology of the present invention solution comprises electric motor (one or more drives), worm screw, worm gear, and electric motor is connected with rotating base by worm screw, worm gear.
It between pinch wheels described in invention technical solution and locating shaft, is rolling resistance; Pinch wheels is sparkless material.
The present invention adopts the clamping wheels that arranged by horizontal symmetrical, rotating base, base and worm gear case, the drilling rod middle part driving machine that rotating base driving mechanism forms, wherein, base is provided with can be by the axially extending bore of drilling rod, base hypomere is outside to match with the centre hole of tower mouth centralizer, worm gear case is connected with base, rotating base is can be through the axle sleeve in drilling rod hole with radial platform and band, rotating base stretches in the chamber of worm gear case and base formation, rotating base driving mechanism is fixed on base, be connected with rotating base, the clamping wheels of horizontal symmetrical setting are fixed in the radial platform of rotating base, thereby drilling rod middle part driving machine can be loaded on tower mouth centralizer, be positioned at the middle part of drilling rod, rotating base driving mechanism driven rotary base rotates, by clamping the frictional force drives drilling rod rotation between wheels and drilling rod, make drilling rod middle part driving machine not with the movement of drilling rod on, lower movement, can make cable arrangements simple and reliable.Under any circumstance there was a mechanical failure in the present invention, can easily overhaul.While there is landslide in decoking process, the present invention can produce reverse direction rotary torque again, and the moving drilling rod work of dish, can guarantee equipment safety production.The present invention drives drilling rod at middle part, and the number of critical revolution that drilling rod allows are high, so decoking efficiency is high.That the present invention has is simple in structure, can be used for that drilling rod middle part drives and not with drilling rod move up and down, the feature of convenient maintenance.The present invention is mainly used in driving in delayed coking unit hydraulic decoking equipment the drilling rod middle part drive unit of drilling rod rotation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is vertical view of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are illustrated.
Drilling rod of the present invention middle part driving machine comprises clamping wheels, rotating base 12, base 5 and worm gear case 4, the rotating base driving mechanism that horizontal symmetrical arranges.Base 5 is provided with axially extending bore, can make drilling rod 13 pass through.Base 5 hypomeres are outside to match with the centre hole of tower mouth centralizer 6, can make base 5 be fixed on tower mouth centralizer 6.Worm gear case 4 is connected with base 5, makes the inner cavity that forms of worm gear case 4 and base 5.The top of rotating base 12 is band radial platform, and bottom can be through the axle sleeve in drilling rod 13 holes for being with.The axle sleeve of rotating base 12 bottoms stretches in the chamber of worm gear case 4 and base 5 formation.Rotating base driving mechanism comprises electric motor 1, worm screw 2, worm gear 3, and electric motor 1 is connected with rotating base 12 by worm screw 2, worm gear 3.Electric motor 1 is fixed on worm gear case 4, and balancing weight 11 claims layout with electricity to machine, and rotating base 12 axle sleeves are provided with keyway, and worm gear 3 is fixed on rotating base 12 axle sleeves and uses key connecting.The clamping wheels of horizontal symmetrical setting comprise that 4 horizontal symmetrical are arranged in drilling rod 13 pinch wheels 10 around, each pinch wheels 10 is all fixed in rotating base 12 radial platform by locating shaft 9, support 8, dish spring 7, bearing 14, and adjusts the frictional force between pinch wheels 10 and drilling rod 13 by 7 distortion of dish spring.Pinch wheels 10 is sparkless material, and is rolling resistance between locating shaft 9, and drilling rod external diameter is 139.7-177.8mm(or more multiextent).
There was a mechanical failure in any case in the present invention, can conveniently overhaul.Cable arrangements nearby, easy, safety.The present invention's design simple in structure is ingenious, can produce one direction rotation, guarantees normally to produce, and can produce again reverse direction rotation, and the fault while solving bit freezing, makes drilling rod working properly, ensures safety in production.
Claims (4)
1. a drilling rod middle part driving machine, is characterized in that: comprise clamping wheels, rotating base (12), base (5) and worm gear case (4), rotating base driving mechanism that horizontal symmetrical arranges; Wherein, base (5) is provided with the axially extending bore that can pass through drilling rod (13), and base (5) hypomere is outside to match with the centre hole of tower mouth centralizer (6), and worm gear case (4) is connected with base (5); Rotating base (12) is the axle sleeve that band radial platform and band can pass drilling rod (13) hole, and rotating base stretches in the chamber of worm gear case (4) and base (5) formation; It is upper that rotating base driving mechanism is fixed on base (5), is connected with rotating base (12); The clamping wheels of horizontal symmetrical setting are fixed in the radial platform of rotating base.
2. drilling rod according to claim 1 middle part driving machine, it is characterized in that: the clamping wheels of described horizontal symmetrical setting comprise that 4 or a plurality of horizontal symmetrical are arranged on rotating base and can pass drilling rod (13) hole pinch wheels (10) around, each pinch wheels (10) is all fixed in rotating base (12) radial platform by locating shaft (9), support (8), dish spring (7), bearing (14).
3. drilling rod according to claim 1 and 2 middle part driving machine, it is characterized in that: described rotating base driving mechanism comprises electric motor (1), worm screw (2), worm gear (3), electric motor (1) is connected with rotating base (12) by worm screw (2), worm gear (3).
4. drilling rod according to claim 2 middle part driving machine, is characterized in that: between described pinch wheels (10) and locating shaft (9), be rolling resistance, pinch wheels (10) is sparkless material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321793.2A CN103589448B (en) | 2013-07-29 | 2013-07-29 | Driving machine in the middle part of drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321793.2A CN103589448B (en) | 2013-07-29 | 2013-07-29 | Driving machine in the middle part of drilling rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103589448A true CN103589448A (en) | 2014-02-19 |
| CN103589448B CN103589448B (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310321793.2A Active CN103589448B (en) | 2013-07-29 | 2013-07-29 | Driving machine in the middle part of drilling rod |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048541C (en) * | 1993-06-19 | 2000-01-19 | Imo-工业-莫曼藤拉格·斯托尔及拉斯股份有限公司 | Worm gearing mechanism for rotary driving of part of machine or apparatus |
| JP2001286097A (en) * | 2000-03-31 | 2001-10-12 | Asmo Co Ltd | Motor |
| JP2003172407A (en) * | 2001-09-27 | 2003-06-20 | Mabuchi Motor Co Ltd | Compact motor with worm reduction gear and manufacturing method therefor |
| CN2861439Y (en) * | 2005-10-21 | 2007-01-24 | 金朝晖 | Worm gearing capable of multinomial interlocking |
| CN203411512U (en) * | 2013-07-29 | 2014-01-29 | 赵予吉 | Driver in middle of drill rod |
-
2013
- 2013-07-29 CN CN201310321793.2A patent/CN103589448B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048541C (en) * | 1993-06-19 | 2000-01-19 | Imo-工业-莫曼藤拉格·斯托尔及拉斯股份有限公司 | Worm gearing mechanism for rotary driving of part of machine or apparatus |
| JP2001286097A (en) * | 2000-03-31 | 2001-10-12 | Asmo Co Ltd | Motor |
| JP2003172407A (en) * | 2001-09-27 | 2003-06-20 | Mabuchi Motor Co Ltd | Compact motor with worm reduction gear and manufacturing method therefor |
| CN2861439Y (en) * | 2005-10-21 | 2007-01-24 | 金朝晖 | Worm gearing capable of multinomial interlocking |
| CN203411512U (en) * | 2013-07-29 | 2014-01-29 | 赵予吉 | Driver in middle of drill rod |
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| Publication number | Publication date |
|---|---|
| CN103589448B (en) | 2015-08-05 |
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