CN201125729Y - Slurry pulser - Google Patents
Slurry pulser Download PDFInfo
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- CN201125729Y CN201125729Y CNU2007201827017U CN200720182701U CN201125729Y CN 201125729 Y CN201125729 Y CN 201125729Y CN U2007201827017 U CNU2007201827017 U CN U2007201827017U CN 200720182701 U CN200720182701 U CN 200720182701U CN 201125729 Y CN201125729 Y CN 201125729Y
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Abstract
The utility model relates to a petroleum drilling downhole measurement instrument namely a mud pulser, which is composed of a rotation pulse head, a pulse head supporting seat, a principal axis supporting mechanism, a principal axis assembly, a control and buffer gear, a solenoid valve assembly, a balance piston mechanism, a pulser case and a bearing electrode assembly. An impeller, a rotor, a flow passage structure and the area of the pulse head supporting seat are selected to make the mud pulser with stronger adaptability and improved pulse signal quality; the principal axis assembly, the control and buffer gear and the solenoid valve assembly adopt the embedded type structure, which makes the key mechanisms work in the hydraulic oil of the case, advances the reliability of the mud pulser; the mud pulser has a dynamic seal between the impacting bearing nut of the pulse head supporting seat stator and the principal axis. Due to the internal and the external differential pressure balance ensured by the balance piston mechanism, the dynamic seal has good sealing property, long using period; the utility model has simple structure, low cost of machine and use.
Description
Technical field
The utility model relates to the oil drilling device for subsurface measuring, and especially a kind of downhole wireless measurement while drilling mud pulse generator belongs to the downhole instrument class.
Background technology
Slurry pulsator is a wireless drilling instrument most important parts, uses under the slurry environment of down-hole high temperature, high pressure, strong motion, requires that compliance is strong, reliability is high, signal quality is good, easy to maintenance.The pulse signal of slurry pulsator is of poor quality, can cause and upload error in data; Poor reliability can cause because of instrument failure makes a trip, and strengthens drilling cost.At present, the slurry pulsator that uses in the oil drilling mainly contains the positive pulse type slurry pulsator that negative pulse type slurry pulsator and little valve push away big valve arrangement, the former exists leakage mud, the erosion borehole wall, pulse to chew problems such as easy thorn is bad, nothing salvaging function, the latter directly works in mud owing to little valve head, have easily the stifled and erosion of the landwaste card that is carried by mud, wearing and tearing, more than two kinds of slurry pulsators all have the not problem such as malleable, mud-pulse jitter that disposes.
Summary of the invention
Therefore, at above-mentioned practical problem, developed the utility model---a kind of slurry pulsator, but its purpose is to provide a kind of rotary pulsed device head of arrangement, with choose reasonable impeller moment of torsion, flow passage structure, flow area, the wing stop area etc., effectively improve the mud-pulse signal quality; Main shaft assembly, control and buffer gear, electromagnetic valve assembly etc. are adopted the internal hidden type structure design, improved the working environment of above-mentioned parts, improved the slurry pulsator reliability.
The utility model mainly is made up of rotary pulsed head, head pulse supporting seat, main shaft support mechanism, main shaft assembly, control and buffer gear, electromagnetic valve assembly, dummy piston mechanism, pulser housing and pressure-bearing electrode assemblies, mainly constitute rotary pulsed head by fishing head 1, impeller 4, retaining ring 7, rotor 11, impeller 4 is sleeved on the external surface of fishing head 1; Constitute the head pulse supporting seat by sliding bearing nut 10, stator 13, rectification bracing frame 14,16, No. 0 body housings 0 of tight fully ring; By main shaft 15, main shaft copper sheathing 9, go up pivot pin 5, roller cup 20, shaft coupling pin 32, a following spring 26, the retaining bearing seat of honour 22, main shaft retaining bearing 23, main shaft half-watt to 25, retaining bearing base 27, shaft coupling 31 and No. 1 body housing 28 constitute main shaft assembly, retaining bearing base 27 is between main shaft and No. 2 body housings 30, there is through hole the main shaft lower end, lay shaft coupling pin 32 in the hole, have groove and shaft coupling pin 32 suitable in the shaft coupling 31; By shaft coupling cross 33, rotation lock tooth 34, the little bearing 36 of dolly, lock tooth axle 37, the big bearing 38 of dolly, lock tooth bearing 39, dolly 41, dolly sliding sleeve 43, the torsion spring seat of honour 47, solenoid shaft 56, torsion spring 49, cushion pad 48, following 53 of torsion spring constitutes control and buffer gear, dolly 41 lower ends have internal thread to be connected with solenoid shaft 56, following 53 front end sleeves of torsion spring are on base rear end on the torsion spring, and the torsion spring seat of honour 47 all is enclosed within on the main shaft 15 with following 53 of torsion spring, cushion pad 48 is positioned at the cavity of following 53 of 47 rear ends, the torsion spring seat of honour and torsion spring, and solenoid shaft 56 lower ends have screw thread to be connected with electromagnetism valve head 58; Constitute pressure balance mechanism jointly by 65, No. 6 body housings 71 of axle and double No. 5 body housings 63 doing piston bush in No. 5 body housings 63, piston 69, the piston, piston 69 is enclosed within on the interior axle 65 of piston, the axle middle part is a through hole in the piston, connects electric wire in order to pass through electrode; No. 7 body housing 73, plug body 82, electrode insulation frame 83, plug are equipped with tight ring 84, electrode bolts 85, electrode 86, oiling plug 89 formation pressure-bearing electrode assemblies, between electrode bolts 85 and No. 7 body housings 73 dead ring 74 is arranged, nut 75 has internal thread to be connected with electrode bolts 85 upper ends, electrode insulation frame 83 external surfaces are step-like and suitable with the inner surface of plug body 82 relevant positions, electrode insulation frame 83 is enclosed within on the electrode bolts 85, plug is equipped with tight ring 84 front ends has screw thread to be connected with No. 7 body housings 73, and electrode 86 is fixed on the electrode bolts 85; Fishing head 1 has internal thread to be connected with main shaft 15 1 ends, retaining ring 7 is enclosed within on the conical step surface of main shaft 15, stator 13 adopts with No. 1 body housing 28 and is threaded, No. 0 body housing 0 is between main shaft 15 and rectification bracing frame 14, and ring 16 is connected with being equipped with tightly with screw thread, in the cavity between No. 1 body housing 28 and the retaining bearing seat of honour 22 main dish spring 21 is arranged, No. 2 body housing 30 front ends have external screw thread to be connected with No. 1 body housing 28, and No. 6 body housing 71 rear ends have internal thread to be connected with No. 7 body housing 73 front ends.Between fishing head 1 and the impeller 4 the O RunddichtringO is arranged, in the cavity of Xing Chenging dish spring 3 is arranged between the two.Fishing head 1 external surface is processed with the salvaging step.The packing ring 6 of adjustment is arranged in the cavity of rotor 11 and retaining ring 7.Y-type seal ring 8 sealings are arranged between main shaft 15 and the sliding bearing nut 10.Rotor 11 is identical with the fin number of stator 13, and the fin number can be respectively 2,3,4.Roller cup 20 is between main shaft 15 and needle bearing 19 in the main shaft assembly, and roller cup 20 front ends have main shaft jump ring 18.In between No. 1 body housing 28 and the retaining bearing seat of honour 22 main dish spring 21 is arranged.The main shaft half-watt has cannelure on 25, lay half-watt snap ring 24.In the cavity of retaining bearing base 27 and main shaft 15 retaining bearing base spring 26 is arranged.In the cavity between No. 2 body housings 30 and the main shaft 15 preloading spring 29 is arranged.There is lock tooth axle snap ring 35 lock tooth axle 37 lower ends.The two-layer stepped tooth of evenly arranging up and down in rotation lock tooth 34 inner peripherys, the tooth row mode for cloth is 2 according to the fin quantity design of stator as the fin number, and then tooth is arranged with 90 ° of angles, and the fin number is 3, then arranges with 60 °, and the fin number is 4, arranges with 45 °.Between dolly sliding sleeve 43 and No. 3 body housings 55 needle bearing 42 is housed.Between lock tooth bearing 39 and No. 3 body housings 55 snap ring 40 is arranged.In the cavity between main shaft 15 and No. 3 body housings 55 preloading spring 29 is arranged.Dolly sliding sleeve 43 is fixing with alignment pin 45 with the torsion spring seat of honour 47.The torsion spring seat of honour 47 corresponding positions are equipped with a groove and cooperate with spacer pin 46.No. 3 bodies have in the groove of a through hole and 47 relevant positions, the torsion spring seat of honour spacer pin 46 are arranged.The torsion spring seat of honour 47 first halfs respectively have an alignment pin 50 in the front-end and back-end of torsion spring 49 relevant positions.Between No. 3 body housing 55 rear ends and No. 4 body housing 60 front ends O RunddichtringO 51 is arranged.Following 53 external surfaces of torsion spring are fluted, have in the groove with main shaft pre-twist pin 52 is arranged in vertical direction.Axle 65 front ends have the axis of the piston snap ring 64 in the piston, and between the piston 69 piston packing 66 are arranged.Outer O RunddichtringO 67 and 63 sealings of No. 5 body housings are arranged on the piston 69, in axle 65 sealings in the O RunddichtringO 68 and piston in the piston are arranged.There are O type circle 70 and No. 6 body housing 71 sealings in axle 65 rear ends in the piston.No. 7 threaded step through-hole is arranged at body housing 73 tops, places oiling plug 89, and Lower Half has axial internal thread hole attachment screw 72.Space between plug body 82 and the nut 75 has locking dish spring 76, pad 77 successively, both are sleeved on the electrode bolts 85, between electrode bolts 85 and the plug body 82 insulation tube 78 is arranged, between plug body 82 and No. 7 body housings 73 outer O type circle 79 sealings of electrode are arranged, O type circle 80 sealings in the electrode are arranged between plug body 82 and the electrode insulation frame 83, O type circle 81 sealings in the electrode are arranged between electrode insulation frame 83 and the electrode bolts 85.The electromagnetic valve assembly is by drilling Well Technology Institute, Petroleum Administration bureau, Xinjiang's patent " a kind of slurry pulsator electromagnetic valve " (application number: 200620056455) disclose application and that authorized.
The utility model has the advantages that:
1. can match the flow passage structure and the area of impeller, back rake angle rotor and the head pulse supporting seat of rotary pulsed head according to different operating modes, not only make slurry pulsator have stronger compliance, but also improved the pulse signal quality.
2. main shaft assembly, control and buffer gear, electromagnetic valve assembly etc. are adopted the internal hidden type structure design, these key mechanism are worked in the hydraulic oil of enclosure interior, improved the reliability of slurry pulsator.
3. slurry pulsator only only has a place to adopt movable sealing compressing of head pulse supporting seat stator between bearing nut and the main shaft.Because dummy piston mechanism has guaranteed that the inside and outside pressure reduction of housing is in a basic balance, thereby the movable sealing performance is good, life cycle is long.
4. slurry pulsator is reasonable in design, and is simple in structure, and processing and use cost are low.Assembling, maintenance are convenient in the design of whole employing modular construction.
Description of drawings
Fig. 1 the utility model structural representation.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
The present invention mainly is made up of rotary pulsed head, head pulse supporting seat, main shaft support mechanism, main shaft assembly, control and buffer gear, electromagnetic valve assembly, dummy piston mechanism, pulser housing and pressure-bearing electrode assemblies, mainly constitute rotary pulsed head by fishing head 1, impeller 4, retaining ring 7, rotor 11, impeller 4 is sleeved on the external surface of fishing head 1; Constitute the head pulse supporting seat by sliding bearing nut 10, stator 13, rectification bracing frame 14,16, No. 0 body housings 0 of tight fully ring; By main shaft 15, main shaft copper sheathing 9, go up pivot pin 5, roller cup 20, shaft coupling pin 32, a following spring 26, the retaining bearing seat of honour 22, main shaft retaining bearing 23, main shaft half-watt to 25, retaining bearing base 27, shaft coupling 31 and No. 1 body housing 28 constitute main shaft assembly, retaining bearing base 27 is between main shaft and No. 2 body housings 30, there is through hole the main shaft lower end, lay shaft coupling pin 32 in the hole, have groove and shaft coupling pin 32 suitable in the shaft coupling 31; By shaft coupling cross 33, rotation lock tooth 34, the little bearing 36 of dolly, lock tooth axle 37, the big bearing 38 of dolly, lock tooth bearing 39, dolly 41, dolly sliding sleeve 43, the torsion spring seat of honour 47, solenoid shaft 56, torsion spring 49, cushion pad 48, following 53 of torsion spring constitutes control and buffer gear, dolly 41 lower ends have internal thread to be connected with solenoid shaft 56, following 53 front end sleeves of torsion spring are on base rear end on the torsion spring, and the torsion spring seat of honour 47 all is enclosed within on the main shaft 15 with following 53 of torsion spring, cushion pad 48 is positioned at the cavity of following 53 of 47 rear ends, the torsion spring seat of honour and torsion spring, and solenoid shaft 56 lower ends have screw thread to be connected with electromagnetism valve head 58; Constitute pressure balance mechanism jointly by 65, No. 6 body housings 71 of axle and double No. 5 body housings 63 doing piston bush in No. 5 body housings 63, piston 69, the piston, piston 69 is enclosed within on the interior axle 65 of piston, the axle middle part is a through hole in the piston, connects electric wire in order to pass through electrode; No. 7 body housing 73, plug body 82, electrode insulation frame 83, plug are equipped with tight ring 84, electrode bolts 85, electrode 86, oiling plug 89 formation pressure-bearing electrode assemblies, between electrode bolts 85 and No. 7 body housings 73 dead ring 74 is arranged, nut 75 has internal thread to be connected with electrode bolts 85 upper ends, electrode insulation frame 83 external surfaces are step-like and suitable with the inner surface of plug body 82 relevant positions, electrode insulation frame 83 is enclosed within on the electrode bolts 85, plug is equipped with tight ring 84 front ends has screw thread to be connected with No. 7 body housings 73, and electrode 86 is fixed on the electrode bolts 85; Fishing head 1 has internal thread to be connected with main shaft 15 1 ends, retaining ring 7 is enclosed within on the conical step surface of main shaft 15, stator 13 adopts with No. 1 body housing 28 and is threaded, No. 0 body housing 0 is between main shaft 15 and rectification bracing frame 14, and ring 16 is connected with being equipped with tightly with screw thread, in the cavity between No. 1 body housing 28 and the retaining bearing seat of honour 22 main dish spring 21 is arranged, No. 2 body housing 30 front ends have external screw thread to be connected with No. 1 body housing 28, and No. 6 body housing 71 rear ends have internal thread to be connected with No. 7 body housing 73 front ends.Between fishing head 1 and the impeller 4 the O RunddichtringO is arranged, in the cavity of Xing Chenging dish spring 3 is arranged between the two.Fishing head 1 external surface is processed with the salvaging step.The packing ring 6 of adjustment is arranged in the cavity of rotor 11 and retaining ring 7.Y-type seal ring 8 sealings are arranged between main shaft 15 and the sliding bearing nut 10.Rotor 11 is identical with the fin number of stator 13, and the fin number can be respectively 2,3,4.Roller cup 20 is between main shaft 15 and needle bearing 19 in the main shaft assembly, and roller cup 20 front ends have main shaft jump ring 18.In between No. 1 body housing 28 and the retaining bearing seat of honour 22 main dish spring 21 is arranged.The main shaft half-watt has cannelure on 25, lay half-watt snap ring 24.In the cavity of retaining bearing base 27 and main shaft 15 retaining bearing base spring 26 is arranged.In the cavity between No. 2 body housings 30 and the main shaft 15 preloading spring 29 is arranged.There is lock tooth axle snap ring 35 lock tooth axle 37 lower ends.The two-layer stepped tooth of evenly arranging up and down in rotation lock tooth 34 inner peripherys, the tooth row mode for cloth is 2 according to the fin quantity design of stator as the fin number, and then tooth is arranged with 90 ° of angles, and the fin number is 3, then arranges with 60 °, and the fin number is 4, arranges with 45 °.Between dolly sliding sleeve 43 and No. 3 body housings 55 needle bearing 42 is housed.Between lock tooth bearing 39 and No. 3 body housings 55 snap ring 40 is arranged.In the cavity between main shaft 15 and No. 3 body housings 55 preloading spring 29 is arranged.Dolly sliding sleeve 43 is fixing with alignment pin 45 with the torsion spring seat of honour 47.The torsion spring seat of honour 47 corresponding positions are equipped with a groove and cooperate with spacer pin 46.No. 3 bodies have in the groove of a through hole and 47 relevant positions, the torsion spring seat of honour spacer pin 46 are arranged.The torsion spring seat of honour 47 first halfs respectively have an alignment pin 50 in the front-end and back-end of torsion spring 49 relevant positions.Between No. 3 body housing 55 rear ends and No. 4 body housing 60 front ends O RunddichtringO 51 is arranged.Following 53 external surfaces of torsion spring are fluted, have in the groove with main shaft pre-twist pin 52 is arranged in vertical direction.Axle 65 front ends have the axis of the piston snap ring 64 in the piston, and between the piston 69 piston packing 66 are arranged.Outer O RunddichtringO 67 and 63 sealings of No. 5 body housings are arranged on the piston 69, in axle 65 sealings in the O RunddichtringO 68 and piston in the piston are arranged.There are O type circle 70 and No. 6 body housing 71 sealings in axle 65 rear ends in the piston.No. 7 threaded step through-hole is arranged at body housing 73 tops, places oiling plug 89, and Lower Half has axial internal thread hole attachment screw 72.Space between plug body 82 and the nut 75 has locking dish spring 76, pad 77 successively, both are sleeved on the electrode bolts 85, between electrode bolts 85 and the plug body 82 insulation tube 78 is arranged, between plug body 82 and No. 7 body housings 73 outer O type circle 79 sealings of electrode are arranged, O type circle 80 sealings in the electrode are arranged between plug body 82 and the electrode insulation frame 83, O type circle 81 sealings in the electrode are arranged between electrode insulation frame 83 and the electrode bolts 85.The electromagnetic valve assembly is by drilling Well Technology Institute, Petroleum Administration bureau, Xinjiang's patent " a kind of slurry pulsator electromagnetic valve " (application number: 200620056455) disclose application and that authorized.
Carry out the slurry pulsator assembling by structure shown in Figure 1.Is the center with control with buffer gear, launches to both sides.Shaft coupling end at control and buffer gear assembles main shaft assembly, main shaft support mechanism, head pulse supporting seat successively earlier; Tourist bus drag link end at control and buffer gear assembles the electromagnetic valve assembly successively again, dummy piston mechanism, pressure-bearing electrode assemblies, the paired pulses device carries out electromagnetic valve coil resistance test, Insulation test, impeller torque check etc. then, after every index was qualified, the paired pulses device vacuumized and oil-filled work again.
Its operating principle is: by the rotary pulsed device head that the rotary pulsed head and the head pulse supporting seat of slurry pulsator constitutes jointly, work in the flow of drilling tool runner overlaps.When slurry flows is crossed the impeller of rotation head pulse, the impeller moment of torsion that rotates under the effect of mud impulse force is delivered to the controlling organization that is made of jointly control and buffer gear and electromagnetic valve assembly by the main shaft device that is made of jointly main shaft assembly and main shaft support mechanism.Control circuit arrives the electromagnetic valve assembly by the drive current that instruction produces through the pressure-bearing electrode assemblies, drive the dolly axle motion that spool drives control and buffer gear, and make the rotation lock tooth turn over a tooth position, be exactly to have rotated a special angle rotary pulsed performance.Repeat above function and action, rotary pulsed head carries out controlled rotation at intermittence, stops or links up head pulse mud runner, causes that the mud flowpath pressure changes, and reaches the purpose of generation mud-pulse signal.Choose reasonable stops and intermittent time of linking up, the impeller moment of torsion of rotary pulsed head, the flow passage structure and the area that stop area, head pulse supporting seat of the rotor wing, can effectively improve the mud-pulse signal quality.
At the scene,, and dock, together put into non-magnetic drilling tool, time use to the down-hole with drilling tool with other parts of wireless drilling instrument according to the stator and the bracing frame of the rotary pulsed head of the concrete parameter configuration of drilling well, head pulse supporting seat.As long as mud circulation is normal, slurry pulsator just can send the mud-pulse signal earthward under the driving of control circuit.
Claims (24)
1. slurry pulsator, form by rotary pulsed head, head pulse supporting seat, main shaft support mechanism, main shaft assembly, control and buffer gear, electromagnetic valve assembly, dummy piston mechanism, pulser housing and pressure-bearing electrode assemblies, be primarily characterized in that: mainly constitute rotary pulsed head by fishing head (1), impeller (4), retaining ring (7), rotor (11), impeller (4) is sleeved on the external surface of fishing head (1); By sliding bearing nut (10), stator (13), rectification bracing frame (14), tight fully (16), No. 0 body housing (0) the formation head pulse supporting seat of encircling; By main shaft (15), main shaft copper sheathing (9), last pivot pin (5), roller cup (20), shaft coupling pin (32), a following spring (26), the retaining bearing seat of honour (22), main shaft retaining bearing (23), main shaft half-watt (25), retaining bearing base (27), shaft coupling (31) and No. 1 body housing (28) are constituted main shaft assembly, retaining bearing base (27) is positioned between main shaft and No. 2 body housings (30), there is through hole the main shaft lower end, lay shaft coupling pin (32) in the hole, have groove and shaft coupling pin (32) suitable in the shaft coupling (31); No. 3 body housings (55) have in the groove of a through hole and relevant position, the torsion spring seat of honour (47) spacer pin (46) are arranged; By shaft coupling cross (33), rotation lock tooth (34), the little bearing of dolly (36), lock tooth axle (37), the big bearing of dolly (38), lock tooth bearing (39), dolly (41), dolly sliding sleeve (43), the torsion spring seat of honour (47), solenoid shaft (56), torsion spring (49), cushion pad (48), torsion spring following (53) constitutes control and buffer gear, dolly (41) lower end has internal thread to be connected with solenoid shaft (56), following (53) front end sleeve of torsion spring is on base rear end on the torsion spring, and the torsion spring seat of honour (47) all are enclosed within on the main shaft (15) with torsion spring following (53), cushion pad (48) is positioned at the cavity of (47) rear end, the torsion spring seat of honour and torsion spring following (53), and solenoid shaft (56) lower end has screw thread to be connected with electromagnetism valve head (58); Constitute pressure balance mechanism jointly by axle (65), No. 6 body housings (71) and double No. 5 body housings (63) of doing piston bush in No. 5 body housings (63), piston (69), the piston, piston (69) is enclosed within on the interior axle of piston (65), the axle middle part is a through hole in the piston, connects electric wire in order to pass through electrode; No. 7 body housings (73), plug body (82), electrode insulation frame (83), plug is equipped with tight ring (84), electrode bolts (85), electrode (86), the plug (89) that refuels constitutes the pressure-bearing electrode assemblies, between electrode bolts (85) and No. 7 body housings (73) dead ring (74) is arranged, nut (75) has internal thread to be connected with electrode bolts (85) upper end, electrode insulation frame (83) external surface is step-like and suitable with the inner surface of plug body (82) relevant position, electrode insulation frame (83) is enclosed within on the electrode bolts (85), plug is equipped with tight ring (84) front end has screw thread to be connected with No. 7 body housings (73), and electrode (86) is fixed on the electrode bolts (85); Fishing head (1) has internal thread to be connected with main shaft (15) one ends, retaining ring (7) is enclosed within on the conical step surface of main shaft (15), stator (13) adopts with No. 1 body housing (28) and is threaded, No. 0 body housing (0) is positioned between main shaft (15) and the rectification bracing frame (14), and ring (16) is connected with being equipped with tightly with screw thread, in the cavity between No. 1 body housing (28) and the retaining bearing seat of honour (22) main dish spring (21) is arranged, No. 2 body housings (30) front end has external screw thread to be connected with No. 1 body housing (28), and No. 6 body housings (71) rear end has internal thread to be connected with No. 7 body housings (73) front end.
2. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: between fishing head (1) and the impeller (4) the O RunddichtringO is arranged, dish spring (3) is arranged in the cavity of Xing Chenging between the two.
3. as claim 1 or the described a kind of slurry pulsator of claim 2, be primarily characterized in that: fishing head (1) external surface is processed with the salvaging step.
4. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: in the cavity of rotor (11) and retaining ring (7) adjustment packing ring (6) is arranged.
5. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: y-type seal ring (8) sealing is arranged between main shaft (15) and the sliding bearing nut (10).
6. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: rotor (11) is identical with the fin number of stator (13), and the fin number can be respectively 2,3,4.
7. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: roller cup in the main shaft assembly (20) is positioned between main shaft (15) and the needle bearing (19), and roller cup (20) front end has main shaft jump ring (18).
8. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: between No. 1 body housing (28) and the retaining bearing seat of honour (22) main dish spring (21) is arranged.
9. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: the main shaft half-watt is laid half-watt snap ring (24) on (25) cannelure being arranged.
10. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: in the cavity of retaining bearing base (27) and main shaft (15) a following spring (26) is arranged.
11. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: in the cavity between No. 2 body housings (30) and the main shaft (15) preloading spring (29) is arranged.
12. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: there is lock tooth axle snap ring (35) lock tooth axle (37) lower end.
13. a kind of slurry pulsator as claimed in claim 1, be primarily characterized in that: the two-layer stepped tooth of evenly arranging up and down in rotation lock tooth (34) inner periphery, the tooth row mode for cloth is according to the fin quantity design of stator, as the fin number is 2, then tooth is arranged with 90 ° of angles, and the fin number is 3, then arranges with 60 °, the fin number is 4, arranges with 45 °.
14. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: between dolly sliding sleeve (43) and No. 3 body housings (55) needle bearing (42) is housed.
15. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: between lock tooth bearing (39) and No. 3 bodies (55) snap ring (40) is arranged.
16. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: in the cavity between main shaft (15) and No. 2 body housings (30) preloading spring (29) is arranged.
17. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: dolly sliding sleeve (43) is fixing with alignment pin (45) with the torsion spring seat of honour (47).
18. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: the torsion spring seat of honour (47) first half respectively has an alignment pin (50) in the front-end and back-end of torsion spring (49) relevant position.
19. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: following (53) external surface of torsion spring is fluted, has in the groove with main shaft pre-twist pin (52) is arranged in vertical direction.
20. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: axle (65) front end has the axis of the piston snap ring (64) in the piston, and between the piston (69) piston packing (66) is arranged.
21. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: the sealing of outer O RunddichtringO (67) and No. 5 body housings (63) is arranged on the piston (69), in axle (65) sealing in the O RunddichtringO (68) and piston in the piston is arranged.
22. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: there are O type circle (70) and No. 6 body housings (71) sealing in axle (65) rear end in the piston.
23. a kind of slurry pulsator as claimed in claim 1 is primarily characterized in that: threaded step through-hole is arranged at No. 7 body housings (73) top, places oiling plug (89), and Lower Half has axial internal thread hole attachment screw (72).
24. a kind of slurry pulsator as claimed in claim 1, be primarily characterized in that: the space between plug body (82) and the nut (75) has locking dish spring (76) successively, pad (77), both are sleeved on the electrode bolts (85), between electrode bolts (85) and the plug body (82) insulation tube (78) is arranged, outer O type circle (79) sealing of electrode is arranged between plug body (82) and No. 7 body housings (73), O type circle (80) sealing in the electrode is arranged between plug body (82) and the electrode insulation frame (83), O type circle (81) sealing in the electrode is arranged between electrode insulation frame (83) and the electrode bolts (85).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201827017U CN201125729Y (en) | 2007-09-24 | 2007-09-24 | Slurry pulser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201827017U CN201125729Y (en) | 2007-09-24 | 2007-09-24 | Slurry pulser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201125729Y true CN201125729Y (en) | 2008-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201827017U Expired - Fee Related CN201125729Y (en) | 2007-09-24 | 2007-09-24 | Slurry pulser |
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| Country | Link |
|---|---|
| CN (1) | CN201125729Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660407B (en) * | 2009-09-09 | 2012-08-29 | 北京市普利门电子科技有限公司 | Pulse generator |
| CN105971492A (en) * | 2016-06-08 | 2016-09-28 | 西南石油大学 | Magnet-based torsion percussion boring tool |
| CN108104803A (en) * | 2017-12-15 | 2018-06-01 | 北京六合伟业科技股份有限公司 | One kind can salvage suspension rotary rotary valve pulser system |
-
2007
- 2007-09-24 CN CNU2007201827017U patent/CN201125729Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660407B (en) * | 2009-09-09 | 2012-08-29 | 北京市普利门电子科技有限公司 | Pulse generator |
| CN105971492A (en) * | 2016-06-08 | 2016-09-28 | 西南石油大学 | Magnet-based torsion percussion boring tool |
| CN105971492B (en) * | 2016-06-08 | 2018-04-24 | 西南石油大学 | A kind of magnetic base torsion impact drilling tool |
| CN108104803A (en) * | 2017-12-15 | 2018-06-01 | 北京六合伟业科技股份有限公司 | One kind can salvage suspension rotary rotary valve pulser system |
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Owner name: WEST DRILLING KARAMAY DRILLING CRAFT RESEARCH INST Free format text: FORMER OWNER: DRILLING WELL TECHNOLOGY INSTITUTE, PETROLEUM ADMINISTRATION BUREAU, XINJIANG Effective date: 20081219 |
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