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EP0193618B1 - Montagevorrichtung und -verfahren für den orientierten Zusammenbau eines Schraubenmotors - Google Patents

Montagevorrichtung und -verfahren für den orientierten Zusammenbau eines Schraubenmotors Download PDF

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Publication number
EP0193618B1
EP0193618B1 EP85905008A EP85905008A EP0193618B1 EP 0193618 B1 EP0193618 B1 EP 0193618B1 EP 85905008 A EP85905008 A EP 85905008A EP 85905008 A EP85905008 A EP 85905008A EP 0193618 B1 EP0193618 B1 EP 0193618B1
Authority
EP
European Patent Office
Prior art keywords
bushings
mounting
working members
profile
screw
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.)
Expired - Lifetime
Application number
EP85905008A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0193618A4 (de
EP0193618A1 (de
Inventor
Dmitry Fedorovich Baldenko
Nikolai Petrovich Bezlepkin
Jury Vyacheslavovich Vadetsky
Moisei Timofeevich Gusman
Jury Fedorovich Potapov
Valery Igorievich Semenets
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT BUROVOI TEKHNIKI
Original Assignee
VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT BUROVOI TEKHNIKI
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to AT85905008T priority Critical patent/ATE59085T1/de
Publication of EP0193618A1 publication Critical patent/EP0193618A1/de
Publication of EP0193618A4 publication Critical patent/EP0193618A4/de
Application granted granted Critical
Publication of EP0193618B1 publication Critical patent/EP0193618B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
    • F04C2/1073—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/4984—Retaining clearance for motion between assembled parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49904—Assembling a subassembly, then assembling with a second subassembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53087—Means to assemble or disassemble with signal, scale, illuminator, or optical viewer

Definitions

  • the invention relates to drilling equipment, in particular to a method for the oriented assembly of the working elements of a section - borehole bottom screw motor using a mounting device.
  • the length of the working elements - the stators and rotors - of the bottom-of-the-hole screw motors is limited with regard to the technological possibilities of their manufacture.
  • the specific sizes of the torque and the pressure drop occurring during the work of the motor are sufficiently large per unit length of the working elements or per screw thread of their screw thread.
  • the sections are connected as follows: the stators are connected by means of a threaded bush, the rotors are connected by means of a joint.
  • the work of the motor is characterized by increased radial vibrations, since the displacement of the longitudinal axes of the adjacent rotors is doubled Eccentricity of the rotor axis with respect to the stator axis in the variant of the motor can be increased, which leads to the destruction of screw connections and the possibility of severe accidents in the borehole and to more intensive wear of the contact surfaces of the screw pair as a result of increased dynamic stresses during the work of the motor.
  • a mounting device is known to ensure an oriented assembly of the working elements of a screw-type bottom-hole motor (see US Pat. No. 3982858).
  • the device includes a mounting stator and a mounting rotor, each of which is of sufficient length to ensure the attachment of the working elements of the same name (stators or rotors) to its profiled surface.
  • the assembly stator or assembly rotor has a profiled surface that is adequate to the profiled surface of the work elements to be connected.
  • the method of assembling the motor is to first assemble the spindle section containing the support and sealing units. Then the working sections of the motor sections are assembled in succession while maintaining a predetermined orientation of the profiled surfaces.
  • the order of the oriented assembly is as follows. Two stators, which have the same geometrical dimensions of the profiled surfaces, are attached to the assembly rotor until the end faces touch, cylindrical surfaces (on one stator a cylindrical outer surface and on the other stator a cylindrical inner surface). After establishing the contact of the end faces when the stators are placed on the cylindrical surfaces to be coupled, cracks are applied to each of the stators, which necessitate the mutual arrangement of the stators when the assembly rotor is inserted in them.
  • the rotors of said motors which ensure motor operation when they are inserted into the stators, are connected to one another within a uniform assembly stator, the inner surface of which corresponds perfectly to the profiled surface of the rotors to be connected. After assembly, the rotors are fastened in the axial direction, the assembly stator is removed by releasing the joint between the rotors to be connected. The two rotors are welded together over the entire circumference of the outer surface. The following rotors are added in the same way.
  • a disadvantage of the methods for assembling the working elements of the engine described above are technical difficulties in carrying out the oriented assembly of the working elements.
  • the presence of a simplified assembly device made the motor construction complicated.
  • the actual process of oriented assembly became more complicated.
  • the welding of the working elements is not a reliable type of connection for products that work under tense conditions of increased loads and vibrations, because when connecting the neighboring working elements of the same name, axis deviation and misalignment of their longitudinal axes are unavoidable, which results from a positional deviation from the parallelism of the end faces of the work units to be sectioned. Welding stators covered with rubber can damage the rubber covering.
  • the welded connection renders the construction of the motor disassemblable and, in the event of damage to one of the working elements of the sections to be connected, necessitates a complicated repair of the motor or the complete replacement thereof.
  • the present invention has for its object to provide a method for the oriented assembly of the working elements of a sectional bottom-hole screw drive using a mounting device, in which the connection of the working elements of the bottom-hole drive is possible while simplifying its assembly without welding.
  • the mounting elements are connected in pairs by means of a rigid coupling, and each of them contains sockets with profiled surfaces, one of which is rigidly connected to the rigid coupling and the other is arranged displaceably with respect to its own longitudinal axis, the device having a disc with Lock is provided, which is attached to the rigid coupling, the end faces of the disc and the movable bushing have the same distance from each other radial notches, the number of which is the profiled surface he of the mounting element is the same.
  • a section borehole sole screw motor the work elements of which are assembled by means of a one-piece threaded bushing, has an increased operational reliability because the threaded bushing compensates for the axis deviation and misalignment of the axes of the connected work elements, which inevitably arise when the individually producible work elements are joined together.
  • the section borehole bottom screw motor in the assembly method according to the invention ensures a considerable increase in the target operating time of the working elements and prevents breaks in their connecting unit.
  • the mounting device proposed according to the invention ensures the visual inspection of the quality of the assembly, since the bushings connected by the rigid coupling are inserted into the neighboring work organs of the same name and the mutual arrangement of the screw threads is observed at the relative position of the notches on the end face of the movable bushing and the washer.
  • the profiled surfaces of the bushings of the mounting element are combined with the profiled surface of the adjusting element, the length of which is not less than the distance between the outer end faces of the bushings, and the profiled surface of which is identical to the profiled surface of the working member of the engine, and also brings by displacing the washer with respect to the longitudinal axis of the bushings, the radial notches of the washer with the radial notches of the movable bushing to match, whereupon the washer is fastened to the rigid coupling by means of the lock.
  • the adjustment of the mounting device does not require any additional devices, and the adjustment element represents a common element of the screw pair, i.e. the rotor or the stator, which are intended for the assembly of the section bottom sole screw motor.
  • the object is also achieved in that in the process for the oriented assembly of the working goggles of a section bottom-hole screw motor with a support unit which is connected to a motor section, the working elements - a stator and a rotor - arranged one behind the other, have a profiled screw surface over their profiled screw surfaces interact with each other, the smoothness of which is determined by the screw thread of these surfaces, the pairs of the same name of the adjacent working elements being connected to each other rigidly and axially rigidly by one-piece threaded bushes, using the mounting device, which combines the profiled surfaces of the working elements of the engine and the bushes of the mounting elements of the Mounting device includes, according to the invention, the work organs of the same name are connected to one another by means of the threaded bushings with provisional fastening on the threads, the profiled surfaces of the bushings of the mounting elements te of the set assembly device in each case combined with the profiled surfaces of the work elements to be connected and the final fastening of the thread
  • the method of assembling the section bottom-hole screw motor using the preliminarily set mounting device simplifies the technological assembly process, since the use of the mounting device eliminates the need for additional technological operations, and ensures the required accuracy of the oriented screw threads of the neighboring work organs of the same name.
  • Each motor section 1, (2) contains working elements - a stator 4 (5) and a rotor 6 arranged inside the same. 7).
  • the stator 4 (5) represents a metallic housing 8 (9), on the inner surface of which an elastic covering 10 (11) is vulcanized.
  • the part of the elastic covering 10 (11) of the stator 4 (5) which contacts the rotor 6 (7) has a multi-start profiled screw surface 12 (13).
  • the rotor 6 (7) has a multi-start profiled screw surface 14 (15) which contacts the associated profiled surface 12 (13) of the elastic covering 10 (11) of the stator 4 (5).
  • the number of gears of the profiled surface 14 (15) of the rotor 6 (7) differs by one from the number of gears of the profiled surface 12 (13) of the elastic covering 10 (11) of the stator 4 (5).
  • the rotor 6 (7) is housed within the stator 4 (5) such that its axis is distant from the axis of the stator 4 (5) by the amount of the eccentricity "e".
  • the stators 4 and 5 of the motor sections 1 and 2 are connected to one another via a one-piece threaded bushing 16.
  • a threaded bushing 17 is also fastened to the upper stator 4 by means of a thread, via which the motor is connected to a (not shown) drill pipe.
  • the lower stator 5 of the motor section 2 is connected to the housing 18 of the spindle section 3 by means of a thread.
  • the rotors 6 and 7 are also connected to one another by means of a one-piece threaded bushing 19.
  • the rotor 7 of the motor section 2 is connected to the output shaft 20 of the spindle section 3, which in turn is connected to a rock-destroying tool (not shown).
  • the mounting device 21 for the oriented assembly of the rotors 6 and 7 of a section-bottom sole screw motor includes two mounting elements 22 and 23 which are connected to one another by means of rigid couplings 24.
  • the mounting element 22 represents a bush 25, on which an elastic covering 26 is vulcanized on the inner surface in this embodiment, which has a multi-start profiled screw surface 27.
  • the number of gears of the profiled surface 27 is the same as the number of gears of the profiled surface 14 (15) of the rotors 6 (7).
  • the profile of the surface 27 is designed so that when it is coupled to the profiled surface 14 (15) of the rotors 6 (7) there is no gap between them.
  • the mounting element 23 is designed in the form of a housing 28, in the interior of which a bearing 29 is accommodated, which is fastened by means of a pin 30.
  • the housing 28 is rigidly connected to the socket 25 by means of the rigid couplings 24.
  • a movable bushing 31 is arranged in the bearing 29. In this embodiment, the mobility of the bushing 31 is ensured by the possibility of its rotation about its own longitudinal axis.
  • the sockets 25 and 31 are mounted coaxially.
  • a stop ring 32 is attached to its outer surface.
  • the movable bushing 31 has an elastic covering 33 vulcanized onto its inner surface, which has a multi-start profiled screw surface 34.
  • the number of gears of the surface 34 and the formation of the profile are corresponding to those of the profiled surface 27 of the elastic covering 26 of the bushing 25.
  • the assembly device described here is equipped with a correction device 35, which includes a disk 36 (FIGS. 2, 3), which is fastened to the housing 28 with the aid of a screw 37.
  • Notches 38 and 39 are applied to the end face of the disk 36 and the bushing 31, respectively.
  • the distances between the notches 38 on the surface of the disk 36, which are determined by the size of the central angle a, are one and the same and between any two adjacent notches 38.
  • the notches 39 are also at the same distance from one another on the end face of the bushing 31.
  • the number of radial notches 38 and 39 on the disk 36 and the bushing 31 is the same as that of the profiled screw surface 14 (15) of the rotors 6 (7).
  • the rigid coupling 24, which rigidly connects the mounting elements 22 and 23, has threaded ends with nuts 40, with the aid of which the distance between the mounting elements 22 and 23 is regulated in the axial direction.
  • the mounting device 41 for the oriented assembly of the stators 4 and 5 of the section borehole sole screw motor (FIG. 4) is designed similarly.
  • This mounting device 41 consists of two mounting elements 42 and 43.
  • the mounting element 42 represents a bush 44 with a multi-start profiled screw surface 45.
  • the bush 44 is rigidly connected to a rigid coupling 46, on which the mounting element 43 is also mounted.
  • a bearing 47 is arranged between the rigid coupling 46 and the mounting element 43, thanks to which, in this embodiment of the mounting device 41, the possibility of rotation of the mounting element 43 with respect to the longitudinal axis of the bush 44 is ensured.
  • a stop ring 48 is attached to the latter.
  • the mounting element 43 itself is designed in the form of a movable bushing 49 with a multi-start profiled screw surface 50.
  • the bushings 44 and 49 are arranged coaxially.
  • the assembly device 41 in question is equipped with a correction device 51 (FIGS. 4, 5) which includes a disk 52 which is attached to a conical surface 53 of the rigid coupling 46.
  • a nut 54 is provided for rigid attachment of the disk 52 and is adjustable on a thread along the rigid coupling 46.
  • Radial notches 55 are made on the end face of the disk 52.
  • the distances between the notches 55, which are determined by the size of the central angle ⁇ , are one and the same and between any two adjacent notches 55 are the same.
  • the number of radial notches 55 and 56 on the disk 52 and the bushing 49 is the smoothness of the profiled screw surface 12 (13) of the elastic covering 10 (11) of the stator 4 (5) is the same.
  • the profiles of the surfaces 45 and 50 of the respective bushes 44 and 49 are designed such that when they are coupled to the profiled surface 12 (13) of the elastic covering 10 (11) of the stator 4 (5) there is no gap between them.
  • the setting of the mounting device 21, (41) for the oriented assembly of the rotors 6 and 7 (or the stators 4 and 5) of the sectioned-bottom screw motor is carried out so that when mounting the mounting elements 22 and 23 (42 and 43) on the profiled surfaces 14 and 15 (12 and 13) of the rotors 6 and 7 to be connected (or the stators 4 and 5) - with the possibility of performing a continuous visual inspection - a uniform profiled surface of these mounting elements 22 and 23 (42 and 43) is maintained, ie the profiled surface 34 (50) of the mounting element 23 (43) is the continuation of the profiled surface 27 (45) of the mounting element 22 (42).
  • the method for adjusting the assembly device 21 for the oriented assembly of the rotors 6 and 7 consists of the following (FIG. 6): the assembly device 21 is attached to the profiled surface 57 of an adjusting rotor 58.
  • the length L, the multi-course profiled surface 57 of the rotor 58 is at least equal to the distance L 2 between the outer end faces 59 and 60 of the mounting elements 22 and 23.
  • the profiled surfaces 27 and 34 of the elastic coverings 26 and 33 of the mounting elements 22 and 23 are suitable for the profiled surface 57 of the adjusting rotor 58, the profiled surface 34 of the covering 33 of the mounting element 23 will form a continuation of the profiled surface 27 of the elastic covering 26 of the mounting element 22 after the mounting device 21 has been attached to the adjusting rotor 58.
  • the mounting elements 22 and 23 are rigidly connected to one another by means of the rigid couplings 24, while the disk 36 of the correction device 35 is in the free, unsecured state.
  • the disk 36 By rotating the disk 36 with respect to the longitudinal axis of the bushes 25, 31, the disk 36 is rotated in the angular direction in such a way that the radial notches 38 of the disk 36 are aligned with the radial notches 39, which were applied to the end face of the bush 31 . Since the radial notches 38 and 39 are uniformly attached to the two individual parts, ie the central angle ⁇ between any two adjacent radial notches is one and the same, the radial notches 38 and 39 can be matched in any position of the disk 36.
  • the position of the disc 36 with respect to the housing 28 is fixed without changing the position of the individual parts Screw 37. Since the housing 28 of the mounting element 23 is rigidly connected to the bush 25 of the mounting element 22 by means of the rigid coupling 24, the washer 36 is fixed in relation to the housing 28 and the mounting device 21 is located on the profiled surface 57 of the adjusting rotor 58 , the device 21 is set after completion of these operations.
  • the assembly device 41 is set for the oriented assembly of the stators 4 and 5 (FIG. 7).
  • the recruitment process consists of the following.
  • the mounting device 41 is attached to the profiled surface 61 of a setting stator 62.
  • the setting stator 62 is designed in the form of a housing 63 with an elastic coating 64 vulcanized onto its inner surface.
  • the length L 3 of the profiled surface 61 of the adjusting stator 62 is at least equal to the corresponding distance L 4 between the outer end faces 65 and 66 of the mounting elements 42 and 43.
  • the profiled surface 61 of the elastic covering 64 is the adjusting stator 62 to match the profiled surfaces 45 and 50 of the mounting elements 42 and 43. Therefore, after inserting the mounting device 41 in the setting stator 62, the profiled surface 50 of the mounting element 43 is a continuation of the profiled surface 45 of the mounting element 42.
  • the bushing 44 of the mounting element 42 is rigidly attached to the coupling 46, and the position of the movable bushing 49 is determined by the setting stator 62, inside which the mounting device 41 is located.
  • the rotation of the disk 52 with respect to the longitudinal axis of the bushes 44, 49 is carried out in the angular direction such that the radial notches 55 of the disk 52 coincide with the radial notches 56 on the end face of the movable bush 49.
  • the disk 52 is moved in the axial direction towards the conical surface (53) of the rigid coupling 46 and the disk 52 is fastened thereon.
  • the mounting devices 21 and 41 set in this way are used further for the oriented assembly of the stators 4 and 5 as well as the rotors 6 and 7 of the sectioned-bottom sole screw motor.
  • the section bottom sole screw motor is assembled by successively assembling the rotors 6 and 7 and the stators 4 and 5 of the motor sections 1 and 2.
  • the assembly of the rotors 6 and 7 is carried out as follows. (Fig. 8).
  • the rotors 6 and 7 are by means of the thread socket 19 connected to each other and then temporarily attached to the threads 67 and 68.
  • the mounting device 21 with the correction device 35 is attached to the profiled surfaces 14 and 15 of the rotors 6 and 7 to be connected in such a way that the profiled surface 27 of the elastic covering 26 of the mounting element 22 is located on the profiled surface 14 of the rotor 6 is located, while the profiled surface 34 of the elastic covering 33 of the movable bushing 31 of the mounting element 23 is located on the profiled surface 15 of the rotor 7. Then you make the final fastening of the threads 67 and 68. When the threads 67 and 68 are fastened, the rotor 6 is fastened immovably, together with it the mounting element 22 of the mounting device 21 is immovably fastened.
  • the rotor 7 arranged in the movable part of a mechanical assembly key (not shown in the drawing) is rotated together with the movable bushing 31 relative to the fixed housing 28 of the assembly element 23.
  • the radial notches 39 of the movable bushing 31 match the radial notches 38 of the disk of the provisionally adjusted correction device 35 in the area of the angular displacements of the individual parts to be connected (the rotors 6 and 7 and the threaded bushing 19 ) within the permissible torques for the threads 67 and 68 to be screwed.
  • a constant visual inspection of the size of the screwing torque and the position of the radial notches 38 and 39 is exercised.
  • the rotors 6 and 7 assembled in this way have profiled surfaces 14 and 15 which are a continuation of the one through the other or, in other words, a monolithic rotor with a uniform profiled surface.
  • stators 4 and 5 of the sectional borehole sole screw motor is carried out in a similar manner with the aid of the mounting device 41 with the correction device 51 (FIG. 9).
  • the stators 4 and 5 are connected to one another by means of the threaded bushing 16, and all the individual parts to be connected are fastened to one another on the threads 69 and 70.
  • the mounting device 41 with the correction device 51 is attached to the profiled surfaces 12 and 13 of the stators 4 and 5 in such a way that the profiled surface 45 of the bushing 44 of the mounting element 42 is located on the profiled surface 12 of the elastic covering 10 of the stator 4, while the profiled surface 50 of the movable bushing 49 of the mounting element 43 is located on the profiled surface 13 of the elastic covering 11 of the stator 5. Furthermore, the threads 69 and 70 are finally fastened.
  • stator 4 When fastening the threads 69 and 70, the stator 4 is immovably fastened, together with it the mounting element 42 of the mounting device 41 is immovably fastened, while the stator 5 together with the movable bushing 49 of the mounting element 43 in the moving part of a mechanical (not shown) Key is rotated relative to the fixed disc 52 which is rigidly attached to the rigid coupling 46.
  • the radial notches 56 of the movable bushing 49 match the radial notches 55 of the washer 52 of the correction device 51 in the area of the angular displacements of the parts to be connected (the stators 4 and 5 and the threaded bushing 16) within the threads to be screwed 69 and 70 permissible torques.
  • the stators 4 and 5 assembled according to the described method have profiled surfaces 12 and 13 similar to the profiled surface of a uniform monolithic stator.
  • the required number of individual parts of the same name can be assembled into a uniform monolithic group which has a uniform profiled surface. Then the rotors 6 and 7 assembled in this way are inserted into the stators 4 and 5 assembled in a similar manner, the threaded bushing 17 is fastened to the upper stator 4 and the two motor sections 1 and 2 are connected to the spindle section 3 of the section borehole bottom. Screw motor connected (Fig. 1).
  • the present invention can be applied as a bottom-hole hydraulic motor for drilling oil and gas wells.
  • the invention can also in other fields of technology are used, for example, in ore mining in the drilling of ar t esischen wells and geological exploration drilling, as well as major overhaul of wells.

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  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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  • Clamps And Clips (AREA)
  • Connection Of Plates (AREA)
EP85905008A 1984-07-19 1985-06-27 Montagevorrichtung und -verfahren für den orientierten Zusammenbau eines Schraubenmotors Expired - Lifetime EP0193618B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85905008T ATE59085T1 (de) 1984-07-19 1985-06-27 Montagevorrichtung und -verfahren fuer den orientierten zusammenbau eines schraubenmotors.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SU3771625 1984-07-19
SU843771625A SU1192432A1 (ru) 1984-07-19 1984-07-19 Mohtaжhoe пpиcпocoблehиe для opиehtиpobahhoй cбopkи paбoчиx opгahob bиhtoboгo зaбoйhoгo дbигateля, cпocoб eгo hactpoйkи и cпocoб opиehtиpobahhoй cбopkи paбoчиx opгahob bиhtoboгo зaбoйhoгo дbигateля

Publications (3)

Publication Number Publication Date
EP0193618A1 EP0193618A1 (de) 1986-09-10
EP0193618A4 EP0193618A4 (de) 1988-09-28
EP0193618B1 true EP0193618B1 (de) 1990-12-12

Family

ID=21131066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85905008A Expired - Lifetime EP0193618B1 (de) 1984-07-19 1985-06-27 Montagevorrichtung und -verfahren für den orientierten Zusammenbau eines Schraubenmotors

Country Status (14)

Country Link
US (1) US4711006A (pt)
EP (1) EP0193618B1 (pt)
JP (1) JPS61502773A (pt)
AT (1) ATE59085T1 (pt)
BR (1) BR8506824A (pt)
CA (1) CA1242183A (pt)
DE (1) DE3580913D1 (pt)
DK (1) DK124486D0 (pt)
ES (4) ES8702990A1 (pt)
IE (1) IE56774B1 (pt)
MX (1) MX159478A (pt)
NO (1) NO167101C (pt)
SU (1) SU1192432A1 (pt)
WO (1) WO1986000954A1 (pt)

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* Cited by examiner, † Cited by third party
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JPH03501635A (ja) * 1988-09-30 1991-04-11 ゲー　デー　アンケル　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング 偏心ネジポンプ
SE8904359L (sv) * 1989-12-22 1991-06-23 Opcon Autorotor Ab Skruvkompressor foer foerbraenningsmotorer
GB9010686D0 (en) * 1990-05-12 1990-07-04 Concentric Pumps Ltd Gerotor pumps
US5195882A (en) * 1990-05-12 1993-03-23 Concentric Pumps Limited Gerotor pump having spiral lobes
US5321506A (en) * 1991-06-14 1994-06-14 Usx Corporation Automatic screw-on pipe couplings
US5620056A (en) * 1995-06-07 1997-04-15 Halliburton Company Coupling for a downhole tandem drilling motor
US5807087A (en) * 1997-03-21 1998-09-15 Tarby, Inc. Stator assembly for a progressing cavity pump
US6173794B1 (en) 1997-06-30 2001-01-16 Intedyne, Llc Downhole mud motor transmission
US5911284A (en) * 1997-06-30 1999-06-15 Pegasus Drilling Technologies L.L.C. Downhole mud motor
US6288470B1 (en) * 1999-02-11 2001-09-11 Camco International, Inc. Modular motor construction
CA2406663C (en) 2000-05-05 2006-01-03 Weatherford/Lamb, Inc. Apparatus and methods for forming a lateral wellbore
US6700252B2 (en) * 2000-12-21 2004-03-02 Schlumberger Technology Corp. Field configurable modular motor
US7168510B2 (en) * 2004-10-27 2007-01-30 Schlumberger Technology Corporation Electrical transmission apparatus through rotating tubular members
NO327503B1 (no) * 2007-09-20 2009-07-27 Agr Subsea As Eksenterskruepumpe med flere pumpeseksjoner
NO329714B1 (no) * 2008-08-21 2010-12-06 Agr Subsea As Ytre rotor i eksenterskruepumpe med en indre og en ytre rotor
US8109746B2 (en) * 2009-06-12 2012-02-07 Robbins & Myers Energy Systems L.P. Progressing cavity pump/motor
RU2463430C1 (ru) * 2011-02-07 2012-10-10 Открытое акционерное общество "Пермнефтемашремонт" Способ сборки секционного статора винтового забойного двигателя
US20150122549A1 (en) * 2013-11-05 2015-05-07 Baker Hughes Incorporated Hydraulic tools, drilling systems including hydraulic tools, and methods of using hydraulic tools
DE102015101352A1 (de) * 2015-01-29 2016-08-04 Netzsch Pumpen & Systeme Gmbh Stator-Rotor-System und Verfahren zum Einstellen eines Stators in einem Stator-Rotor-System
CN109915044B (zh) * 2019-03-22 2023-11-21 中国地质大学（北京） 一种装配式螺杆钻具金属定子轴向加工装配工艺
CN114352187B (zh) * 2022-03-16 2022-05-31 山东地瑞科森能源技术股份有限公司 石油无杆钻井装置及方法
CN115030654B (zh) * 2022-06-15 2024-01-12 大庆市佰昂石油科技有限公司 一种可调式挠性螺杆钻具
CN116652614B (zh) * 2023-07-26 2023-10-13 常州富丽康精密机械有限公司 一种自动夹持式滚珠丝杠加工用胚料切割装置

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US3999901A (en) * 1973-11-14 1976-12-28 Smith International, Inc. Progressive cavity transducer
US3982858A (en) * 1973-11-14 1976-09-28 Smith International Corporation, Inc. Segmented stator for progressive cavity transducer
US4011917A (en) * 1974-08-19 1977-03-15 Wladimir Tiraspolsky Process and universal downhole motor for driving a tool
JPS593276B2 (ja) * 1975-04-11 1984-01-23 凸版印刷株式会社 レコ−ドセンタ−ラベルノ セイゾウホウホウ
SU1012647A1 (ru) * 1980-09-12 1984-02-23 Пермский Филиал Всесоюзного Ордена Трудового Красного Знамени Научно-Исследовательского Института Буровой Техники Шарнирна муфта (ее варианты)
JPS5758518A (en) * 1980-09-26 1982-04-08 Komatsu Ltd Speed0change controlling system for car rquipped with hydraulic transmission gear
US4585401A (en) * 1984-02-09 1986-04-29 Veesojuzny Ordena Trudovogo Krasnogo Znameni Naucho-Issle Multistage helical down-hole machine with frictional coupling of working elements, and method therefor

Also Published As

Publication number Publication date
DK124486A (da) 1986-03-18
ES8701894A1 (es) 1986-12-01
DK124486D0 (da) 1986-03-18
EP0193618A4 (de) 1988-09-28
IE851825L (en) 1986-01-19
ES555088A0 (es) 1987-02-16
ES545348A0 (es) 1987-01-16
ES8702990A1 (es) 1987-01-16
NO167101B (no) 1991-06-24
NO167101C (no) 1991-10-02
DE3580913D1 (de) 1991-01-24
ES545349A0 (es) 1986-12-01
BR8506824A (pt) 1986-11-25
IE56774B1 (en) 1991-12-04
CA1242183A (en) 1988-09-20
JPS61502773A (ja) 1986-11-27
NO860807L (no) 1986-03-04
EP0193618A1 (de) 1986-09-10
ES554268A0 (es) 1987-09-01
MX159478A (es) 1989-06-15
ES8703582A1 (es) 1987-02-16
WO1986000954A1 (en) 1986-02-13
SU1192432A1 (ru) 1989-07-07
US4711006A (en) 1987-12-08
ES8708041A1 (es) 1987-09-01
ATE59085T1 (de) 1990-12-15

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