CN203929547U - A kind of vertical dynamic load casing tube abrasion testing machine - Google Patents

A kind of vertical dynamic load casing tube abrasion testing machine Download PDF

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Publication number
CN203929547U
CN203929547U CN201420306552.0U CN201420306552U CN203929547U CN 203929547 U CN203929547 U CN 203929547U CN 201420306552 U CN201420306552 U CN 201420306552U CN 203929547 U CN203929547 U CN 203929547U
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China
Prior art keywords
sleeve
bearing
slush
dynamic load
casing tube
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CN201420306552.0U
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Chinese (zh)
Inventor
温东
樊建春
张来斌
李�杰
胡治斌
赵坤鹏
孙秉才
张喜明
明学江
商强
高富民
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China University of Petroleum Beijing
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China University of Petroleum Beijing
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Abstract

The utility model provides a kind of vertical dynamic load casing tube abrasion testing machine, comprise: loading system, comprise front bearing, rear support, rail portion and resilient movement portion, rail portion comprises straight rail, straight rail is connected between front bearing and rear support, and resilient movement portion is set on straight rail; Rotary system, is provided with electric rotating machine, and electric rotating machine is fixed in resilient movement portion by electric machine support, and the output shaft of its lower end is connected with shaft coupling, torque sensor and drilling rod portion downwards in turn; Excitation system, comprises shock electric machine and eccentric rotary portion, and shock electric machine is fixed on front bearing by motor mounting rack, and eccentric rotary portion can rotate is arranged in the through hole on front bearing; Mounting and clamping system, is positioned at the downside of rail portion, and it is provided with slush-pit launder, platform part and the lifter of hollow; Frame, comprises base and a plurality of front column, middle part column and rear column being arranged on base.The utility model adopts vertical project organization, realizes the simulation to multiple wear working condition between sleeve pipe and drill pipe sub.

Description

A kind of vertical dynamic load casing tube abrasion testing machine
Technical field
The utility model belongs to field of petroleum exploitation, in particular to a kind of vertical dynamic load casing tube abrasion testing machine.
Background technology
In oil gas well drilling process, the wearing and tearing of drill pipe sub and sleeve pipe are the wearing and tearing of a kind of typical bar-cover, this wearing and tearing cause, for isolating casing wall thickness attenuate, the strength decreased of rock stratum and the support borehole wall, causing the potential safety hazard in drilling process, and drilling efficiency has been produced to impact.According to related data statistics, show, the economic loss of directly bringing due to casing wear is up to more than 1,000,000,000 dollars.Pipe box wearing and tearing have become one and have been badly in need of the key technical problem solving in Chinese drilling engineering.But in actual well drilled process, because pipe box is all located among deep-well, ultra deep well, this to field observation and site test band difficulty, so we only have by carry out the situation of modeling effort pipe box wearing and tearing in laboratory under most of situation.For abrasion mechanism under various complex working conditions is carried out to deep research, especially can produce the simulated conditions of radial impact and slip complex conditions, thereby deep-well and ultra deep well abrasion of petroleum casing pipe rule are had to a more fully research, and provide basic test means for evaluating various Anti-wear Technology performances.
At present, the model experiment device that utilizes full-scale drilling rod sample and sleeve pipe sample to study drilling rod and casing wear mechanism has sliding desk type casing tube abrasion testing machine, yet, in this abrasion tester, drilling rod sample and sleeve pipe sample adopt horizontal wearing and tearing orientation, are not inconsistent with vertical wearing and tearing orientation in real operating mode; It utilizes the transfer function of belt to drive the rotation of drilling rod, and utilizes the deadweight of parts as restoring force, and the friction between drilling rod and sleeve pipe is exerted an influence, and working condition is unstable; Owing to adopting horizontal orientation, the liquid level that its slush-pit launder can maintain can not be realized the sufficient lubrication of drilling rod sample and sleeve pipe sample contact region; Drilling rod sample and sleeve pipe sample can not complete axial relative motion, thereby the downward motion of drilling rod in cannot simulating reality operating mode.
In view of this, the design people, according to the Production design experience of being engaged in for many years this area and association area, develops a kind of vertical dynamic load casing tube abrasion testing machine, the problem existing to solving prior art.
Utility model content
The purpose of this utility model is to be to provide a kind of vertical dynamic load casing tube abrasion testing machine, it adopts vertical project organization, drilling rod and sleeve friction structure orientation in more realistic drilling process, realized the simulation to multiple wear working condition between sleeve pipe and drill pipe sub, the deadweight of its rotary system and excitation system is carried by frame completely, can not produce harmful effect to test, overcome the defect of prior art.
For this reason, the utility model proposes a kind of vertical dynamic load casing tube abrasion testing machine, it comprises:
One loading system, include a front bearing, a rear support, a rail portion and a resilient movement portion, described rail portion comprises the straight rail that two along continuous straight runs are set up in parallel, described straight rail is connected between described front bearing and rear support, described resilient movement portion is mobile be set in two described on straight rail, the collision locknut being spirally connected on the rear end of its front side and a collision bar contacts, and its rear side contacts with described rear support, and described collision bar is mobile to be arranged on described front bearing;
One rotary system, it is provided with an electric rotating machine, described electric rotating machine is fixed in described resilient movement portion by an electric machine support, the output shaft of its lower end is connected with shaft coupling, torque sensor and drilling rod portion downwards in turn, described drilling rod portion can rotate is arranged in the pilot hole in described resilient movement portion, and its lower end is provided with one and establishes portion for the group of installing bull stick sample;
One excitation system, it includes a shock electric machine and an eccentric rotary portion, described shock electric machine is fixed on described front bearing by a motor mounting rack, described eccentric rotary portion can rotate is arranged in the through hole on described front bearing, its upper end is connected with the output shaft of described shock electric machine lower end, the sheathed lower bearing that is fixed with of its lower end, described lower bearing contacts with the front end of described collision bar;
One mounting and clamping system, be positioned at the downside of described rail portion, it is provided with slush-pit launder, a platform part and a lifter of a hollow, described slush-pit launder is fixed in described platform part, its upper end is openend, and the sidewall of described slush-pit launder is provided with a clamping part for grip sleeve sample, and the upper end of described lifter is connected with described platform part, when described platform part is up, the lower end of described drilling rod portion can protrude out in described slush-pit launder;
One frame, comprise a base, on described base, be provided with a plurality of front columns, middle part column and rear column, both sides, the front and back correspondence of described front bearing is arranged on described front column and middle part column, described rear support is fixed on described rear column, and wherein, the front side of described platform part, rear side are respectively equipped with the vertical sliding sleeve in front side and the vertical sliding sleeve of rear side, described front vertical sliding sleeve is corresponding with the vertical sliding sleeve of rear side to be set on described middle part column and rear column, and described lifter is fixed on described base.
Vertical dynamic load casing tube abrasion testing machine as above, wherein, described drilling rod portion includes a connecting short section and a drill rod connector, and the correspondence that described drill rod connector can rotate is arranged in described pilot hole, and its upper end is connected with described torque sensor by described connecting short section;
Wherein, a sheathed taper roll bearing and the roller bearing of being fixed with in interval on described drill rod connector, described taper roll bearing and roller bearing correspondence are embedded upper port and the lower port that is fixed on described pilot hole;
Wherein, the described group of portion of establishing comprises a ring portion and a drilling rod sample catch, described ring portion is convexly equipped with on the lateral surface of described drill rod connector, and the lower end of close described drill rod connector, described drilling rod sample catch is connected by screw on the lower surface of described drill pipe sub, its external diameter is greater than the external diameter of described drill rod connector, forms a scrobicular ring for the described drilling rod sample of installing between described ring portion and described drilling rod sample catch.
Vertical dynamic load casing tube abrasion testing machine as above, wherein, described eccentric rotary portion includes a camshaft and an eccentric wheel, the upper end of described camshaft is connected with the output shaft of described shock electric machine, its lower end is sheathed is fixed with described eccentric wheel, and described lower bearing sleeve is located on described eccentric wheel;
Wherein, described eccentric outside convexes with a baffle ring, and described baffle ring, adjacent to the upside of described lower bearing, is separately arranged with a Lower shaft sleeve on described eccentric wheel, described Lower shaft sleeve is adjacent to the downside of described lower bearing, between itself and described eccentric wheel, by spring collar, connects and fixes;
Wherein, the correspondence that described camshaft can rotate is arranged in described through hole, its outside is arranged with a Upper shaft sleeve and a head bearing from top to bottom successively, the ring shoulder grafting that the upper end of described Upper shaft sleeve and described camshaft outside are convexly equipped with touches, its lower end is adjacent with described head bearing, and described head bearing is embedded in described through hole.
Vertical dynamic load casing tube abrasion testing machine as above, wherein, described resilient movement portion includes a motor slide block is installed, two elastic portion and a push pedal, described pilot hole is positioned at described motor and installs on slide block, the two opposite sides that described motor is installed slide block are respectively equipped with sleeve joint hole, described in each, sleeve joint hole is corresponding with straight rail described in each, and in described sleeve joint hole, be embedded with a sliding sleeve, described motor install slide block by described sliding sleeve correspondence, be set in two described on straight rail, described push pedal is adjacent with described rear support, its can movable sleeving be located at two described on straight rail, described in two elastic correspondence be set in two described on straight rail, described in each, the corresponding and described motor installation slide block in the two ends of elastic and described push pedal are connected,
Wherein, the front side that described motor is installed slide block contacts with the described collision locknut in described collision bar, the electric machine support of described rotary system is fixed on described motor and installs on slide block, described electric rotating machine is and is vertically fixed on described electric machine support, on described front bearing, a laser displacement sensor is separately installed, described laser displacement sensor is adjacent to a side of described collision bar.
Vertical dynamic load casing tube abrasion testing machine as above, wherein, described elastic bag one spring, a front side spring protecting sleeve and a rear side spring protecting sleeve, the two ends correspondence of described spring is embedded in described front side spring protecting sleeve and rear side spring protecting sleeve, described front side spring protecting sleeve and rear side spring protecting sleeve be mobile being set on described straight rail respectively, described front side spring protecting sleeve is connected with the trailing flank that described motor is installed slide block, and described rear side spring protecting sleeve is connected with described push pedal.
Vertical dynamic load casing tube abrasion testing machine as above, wherein, described rear support is provided with a distance adjustor, described distance adjustor includes a pedestal, a screw mandrel and a manual wrench, described pedestal is positioned on described rear support, and it is provided with a threaded hole, and described leading screw is bolted in described threaded hole, its front end contacts with described push pedal, and its rear end is connected with described manual wrench.
Vertical dynamic load casing tube abrasion testing machine as above, wherein, is separately provided with a pressure transducer in described push pedal, described pressure transducer is relative with the position of described screw mandrel, and the front end correspondence of described screw mandrel contacts with described pressure transducer.
Vertical dynamic load casing tube abrasion testing machine as above, wherein, described platform part includes a upper mounting plate and a lower platform, described slush-pit launder is fixed on described lower platform, the sheathed upper end that is fixed on described slush-pit launder of described upper mounting plate, front side between described upper mounting plate and lower platform and rear side is corresponding is connected by the vertical sliding sleeve in described front side and the vertical sliding sleeve of rear side, the upper end of described lifter is connected with described lower platform;
Wherein, described clamping part comprises a plurality of jackscrews and a plurality of screw, and described in each, screw is along being circumferentially distributed on the sidewall of described slush-pit launder, and described in each, jackscrew correspondence is screwed onto screw place described in each.
Vertical dynamic load casing tube abrasion testing machine as above, wherein, separately be provided with a mud circulating system, described mud circulating system includes a steam piano, one mud tank and a flowmeter, described flowmeter is arranged in the outlet of described mud tank, the bottom of described slush-pit launder is provided with an export department, in described export department, throttling valve is installed, wherein, between the input port of described steam piano and described flowmeter, between the delivery outlet of described steam piano and described export department, between the openend of described slush-pit launder and the entrance of described mud tank, by a slip casting pipeline, be connected respectively.
Vertical dynamic load casing tube abrasion testing machine of the present utility model, adopt vertical project organization, the orientation of drilling rod and casing operation in the properer actual well drilled process in orientation while making the friction of drilling rod and sleeve pipe, thus for carrying out the casing tube abrasion testing research of deep & ultra-deep well, established reliable basis.
In the utility model, utilize the electric rotating machine of rotary system directly to drive the drilling rod sample of its lower end to rotate, and utilize the acting in conjunction of the eccentric wheel of excitation system and the spring restoring force of loading system, realize the reciprocating of drilling rod sample, thereby while there is high density drilling fluid medium lubricating condition in simulation, between drilling-rod external wall and internal surface of sleeve pipe, with constant load, pulsation, load or impact the casing wear situation under loading condition, having realized the simulation to multiple wear working condition between sleeve pipe and drill pipe sub.
In the utility model, by regulating the throttling valve on slush-pit launder, can control the height of the liquid level of mud liquid in slush-pit launder, realize the effect between comprehensively lubricated drilling rod sample and sleeve pipe sample contact region; By lifter, drive slush-pit launder and sleeve pipe sample to move up and down, can also simulating reality drilling process in the downward motion of drilling rod.
In a word, the vertical dynamic load casing tube abrasion testing machine the utility model proposes, both can provide a kind of laboratory facilities for the abrasional behavior of further investigation drilling rod and sleeve pipe, can provide evaluation means for anti-wear technology between drilling rod and sleeve pipe again.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the perspective view of vertical dynamic load casing tube abrasion testing machine of the present utility model.
Fig. 2 is the floor map of vertical dynamic load casing tube abrasion testing machine of the present utility model.
Fig. 3 is another schematic perspective view of vertical dynamic load casing tube abrasion testing machine of the present utility model, not shown mud circulating system.
Fig. 4 is the sectional perspective schematic diagram that in the utility model, mud circulating system is connected with slush-pit launder.
Fig. 5 is the composition structure upward view of loading system in the utility model.
Fig. 6 is the composition structural representation of rotary system in the utility model.
Fig. 7 is the composition structure cut-open view of rotary system in the utility model.
Fig. 8 is the cut-open view of excitation system in the utility model.
Fig. 9 is the connection diagram of loading system and excitation system in the utility model.
Figure 10 is the schematic appearance of slush-pit launder in the utility model.
Figure 11 a be sleeve pipe sample be positioned over slush-pit launder use with reference to schematic perspective view, illustrate sleeve pipe sample and be and be eccentrically set in slush-pit launder.
Figure 11 b is the use reference section figure that sleeve pipe sample is positioned over slush-pit launder.
Figure 11 c is the cut-open view along A-A line in Figure 11 b.
Main element label declaration:
The front bearing of 1 loading system 11
111 through hole 112 laser displacement sensors
12 rear support 13 rail portion
131 straight rail 14 resilient movement portions
140 pilot hole 141 motors are installed slide block
1411 sliding sleeve 142 elastic
1421 spring 1422 front side spring protecting sleeves
1423 rear side spring protecting sleeves
143 push pedal 15 collision bar
151 collision locknut 16 distance adjustors
161 pedestal 162 screw mandrels
163 manual wrench 17 pressure transducers
2 rotary system 21 electric rotating machines
211 output shafts
22 electric machine support 23 shaft couplings
24 torque sensor 25 drilling rod portions
251 connecting short section 252 drill rod connectors
2521 ring portion 253 drilling rod sample catch
254 screw 255 scrobicular rings
26 taper roll bearing 27 roller bearings
3 excitation system 31 shock electric machines
311 output shaft 32 eccentric rotary portions
321 camshaft 3211 ring shoulders
322 eccentric wheel 3221 baffle rings
33 motor mounting rack 34 lower bearings
35 Lower shaft sleeve 351 spring collars
36 Upper shaft sleeve 37 head bearings
4 mounting and clamping system 41 slush-pit launder
411 openend 412 screws
413 export department's 414 throttling valve
42 platform part 421 upper mounting plates
422 lower platform 43 lifters
The 44 vertical sliding sleeves in front side
Vertical sliding sleeve 46 jackscrews of 45 rear side
5 frame 51 bases
52 front column 53 middle part columns
54 rear column 6 mud circulating systems
61 steam piano 62 mud tanks
63 flowmeter 64 slip casting pipelines
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect to the vertical dynamic load casing tube abrasion testing machine the utility model proposes, be described in detail as follows.In addition, by the explanation of embodiment, when can be to reach technological means and the effect that predetermined object takes more to be goed deep into concrete understanding to the utility model, however institute's accompanying drawing be only to provide with reference to and explanation use, be not used for the utility model to be limited.
Fig. 1 is the perspective view of vertical dynamic load casing tube abrasion testing machine of the present utility model.Fig. 2 is the floor map of vertical dynamic load casing tube abrasion testing machine of the present utility model.Fig. 3 is another schematic perspective view of vertical dynamic load casing tube abrasion testing machine of the present utility model, not shown mud circulating system.Fig. 4 is the sectional perspective schematic diagram that in the utility model, mud circulating system is connected with slush-pit launder.Fig. 5 is the composition structure upward view of loading system in the utility model.Fig. 6 is the composition structural representation of rotary system in the utility model.Fig. 7 is the composition structure cut-open view of rotary system in the utility model.Fig. 8 is the cut-open view of excitation system in the utility model.Fig. 9 is the connection diagram of loading system and excitation system in the utility model.Figure 10 is the schematic appearance of slush-pit launder in the utility model.Figure 11 a be sleeve pipe sample be positioned over slush-pit launder use with reference to schematic perspective view, illustrate sleeve pipe sample and be and be eccentrically set in slush-pit launder.Figure 11 b is the use reference section figure that sleeve pipe sample is positioned over slush-pit launder.Figure 11 c is the cut-open view along A-A line in Figure 11 b.
As shown in Figure 1 to Figure 3, the vertical dynamic load casing tube abrasion testing machine the utility model proposes, comprises a loading system 1, a rotary system 2, an excitation system 3, a mounting and clamping system 4 and a frame 5, wherein:
Refer to Fig. 5, described loading system 1 includes a front bearing 11, one rear support 12, one rail portion 13 and a resilient movement portion 14, described rail portion 13 comprises the straight rail 131 that two along continuous straight runs are set up in parallel, described straight rail 131 is connected between described front bearing 11 and rear support 12, described resilient movement portion 14 is mobile be set in two described on straight rail 131, the collision locknut 151 being spirally connected on the rear end of its front side and a collision bar 15 contacts, its rear side contacts with described rear support 12, described collision bar 15 is mobile to be arranged on described front bearing 11, as shown in the figure, preferred embodiment, , on described front bearing 11, a pivot joint block is set, mobile this pivot joint block that is arranged in of described collision bar 15, and the front end of described straight rail 131 is connected on this pivot joint block,
As shown in Figure 6 to 7, described rotary system 2 is provided with an electric rotating machine 21, described electric rotating machine 21 is fixed in described resilient movement portion 14 by an electric machine support 22, the output shaft 211 of its lower end is connected with shaft coupling 23 downwards in turn, torque sensor 24 and drilling rod portion 25, described drilling rod portion 25 can rotate is arranged in the pilot hole 140 in described resilient movement portion 14, its lower end is provided with one and establishes portion for the group of installing bull stick sample 71, in actual applications, when drilling rod sample rotates under the driving of electric rotating machine 21, it can also together move along transverse reciprocating with resilient movement portion 14 with electric rotating machine 21, met diversified testing requirements, wherein, torque sensor 24 can on-line monitoring sleeve pipe sample and drilling rod sample friction process in the torque value of drilling rod portion,
Refer to Fig. 8, described excitation system 3 includes a shock electric machine 31 and an eccentric rotary portion 32, described shock electric machine 31 is fixed on described front bearing 11 by a motor mounting rack 33, described eccentric rotary portion 32 can rotate is arranged in the through hole 111 on described front bearing 11, its upper end is connected with the output shaft 311 of described shock electric machine 31 lower ends, the sheathed lower bearing 34 that is fixed with of its lower end, described lower bearing 34 contacts with the front end of described collision bar 15;
Described mounting and clamping system 4, be positioned at the downside of described rail portion 13, it is provided with slush-pit launder 41, a platform part 42 and a lifter 43 of a hollow, described slush-pit launder 41 is fixed in described platform part 42, its upper end is openend 411, and the sidewall of described slush-pit launder 41 is provided with a clamping part for grip sleeve sample 72, when described platform part 42 is up, the lower end of described drilling rod portion 25 can protrude out in described slush-pit launder 41, and the upper end of described lifter 43 is connected with described platform part 42;
Described frame 5 comprises a base 51, on described base 51, be provided with a plurality of front columns 52, middle part column 53 and rear column 54, both sides, the front and back correspondence of described front bearing 11 is arranged on described front column 52 and middle part column 53, described rear support 12 is fixed on described rear column 54, wherein, the front side of described platform part 42, rear side is respectively equipped with the vertical sliding sleeve 44 in front side and the vertical sliding sleeve 45 of rear side, described front vertical sliding sleeve 44 is corresponding with the vertical sliding sleeve 45 of rear side to be set on described middle part column 53 and rear column 54, described lifter 43 is fixed on described base 51, wherein, when specific works, also can at the outside surface interval of middle part column 53 and rear column 54, up principal vertical line be set respectively, descending principal vertical line, make platform part only between up principal vertical line and descending principal vertical line along vertical movement, prevent move up too high destruction rotary system and move down too low destruction lifter of platform part.In addition, for improving the stability of base 51, also can on four jiaos of base, distinguish mounting foot 511.
As shown in Figure 7, described drilling rod portion 25 includes a connecting short section 251 and a drill rod connector 252, and the correspondence that described drill rod connector 252 can rotate is arranged in described pilot hole 140, and its upper end is connected with described torque sensor 24 by described connecting short section 251;
Wherein, a sheathed taper roll bearing 26 and the roller bearing 27 of being fixed with in interval on described drill rod connector 252, described taper roll bearing 26 and roller bearing 27 correspondences are embedded upper port and the lower port that is fixed on described pilot hole 140, when excitation system 2 clashes into by 14 pairs of rotary systems of collision bar 15 and resilient movement portion 2, taper roll bearing 26 and roller bearing 27 guarantee that whole rotary system 1 is all the time in vertical state, avoid the output shaft of electric rotating machine 21 in rotary system 2, connecting short section and drill rod connector fracture, thereby rotary system 2 is played a good protection, and described taper roll bearing 26 can also be by the weight transmitting of its top parts to resilient movement portion 14,
Wherein, the described group of portion of establishing comprises a ring portion 2521 and a drilling rod sample catch 253, described ring portion 2521 is convexly equipped with on the lateral surface of described drill rod connector 252, and the lower end of close described drill rod connector 252, described drilling rod sample catch 253 is connected on the lower surface of described drill pipe sub 252 by screw 254, its external diameter is greater than the external diameter of described drill rod connector 252, forms a scrobicular ring 255 for the described drilling rod sample of installing between described ring portion 2521 and described drilling rod sample catch 253.
Wherein, the mode preferably coordinating by keyway respectively between the output shaft of shaft coupling 23 and electric rotating machine 21, torque sensor 24 is connected, between described connecting short section 251 and drill rod connector 252, pin joint is fixed, above-mentioned keyway coordinates and pin coordinates, can avoid each parts of rotary system 2 to relatively rotate, and described pin coordinate the effect that prevents that parts from coming off of also playing.
Refer to Fig. 8, described eccentric rotary portion 32 includes a camshaft 321 and an eccentric wheel 322, the upper end of described camshaft 321 is connected with the output shaft 311 of described shock electric machine 31, and its lower end is sheathed is fixed with described eccentric wheel 322, and described lower bearing 34 is set on described eccentric wheel 322;
The outside of described eccentric wheel 322 convexes with a baffle ring 3221, described baffle ring 3221 is adjacent to the upside of described lower bearing 34, on described eccentric wheel 322, be separately arranged with a Lower shaft sleeve 35, described Lower shaft sleeve 35 is adjacent to the downside of described lower bearing 34, between itself and described eccentric wheel 322, by spring collar 351, connects and fixes;
Wherein, the correspondence that described camshaft 321 can rotate is arranged in described through hole 111, its outside is arranged with a Upper shaft sleeve 36 and a head bearing 37 from top to bottom successively, the ring shoulder 3211 that the upper end of described Upper shaft sleeve 36 is convexly equipped with described camshaft 321 outsides contacts, its lower end is adjacent with described head bearing 37, the correspondence that described camshaft 321 can rotate is arranged in described through hole 111, and 37 of described head bearings are embedded in described through hole 111 places.
During concrete application, the upper/lower terminal of preferred described camshaft 321 is connected with the mode that eccentric wheel 322 coordinates with pin joint with the output shaft 311 of shock electric machine 31 respectively, in addition, the motor mounting rack 33 of described excitation system 3 is fixed on described front bearing 11, described motor mounting rack 33 is and is vertically fixed on described front bearing 11, and the weight of excitation system 3 is carried on front bearing 11 (as shown in Figure 9) by the transfer function of motor mounting rack 33.
Preferably, as shown in Figure 5, described resilient movement portion 14 includes a motor slide block 141 is installed, two elastic portion 142 and a push pedal 143, described pilot hole 140 is positioned at described motor and installs on slide block 141, the two opposite sides that described motor is installed slide block 141 are respectively equipped with sleeve joint hole (not indicating in figure), described in each, sleeve joint hole is corresponding with straight rail 121 described in each, and in described sleeve joint hole, be embedded with a sliding sleeve 1411, described motor install slide block 141 by described sliding sleeve 1411 correspondences, be set in two described on straight rail 131, described push pedal 142 is adjacent with described rear support 12, its can movable sleeving be located at two described on straight rail 131, described in two 142 correspondences of elastic be set in two described on straight rail 131, described in each, the corresponding and described motor installation slide block 141 in the two ends of elastic 142 and described push pedal 143 are connected,
Wherein, the front side that described motor is installed slide block 141 contacts with the described collision locknut 151 in described collision bar 15, the electric machine support 22 of described rotary system 2 is fixed on described motor and installs on slide block 141,21 of described electric rotating machines are and are vertically fixed on described electric machine support 22, one laser displacement sensor 112 is separately installed on described front bearing 11, and described laser displacement sensor 112 is adjacent to a side of described collision bar 15.Thus, the upper/lower terminal of described electric machine support 22 is installed slide block 141 with electric rotating machine 21 and motor respectively and is coordinated, and it plays the effect of carrying electric rotating machine 21 weight; And by laser displacement sensor is set, can carry out on-line monitoring to the displacement of the horizontal reciprocating of rotary system 2.
Further, described elastic 142 comprises a spring 1421, a front side spring protecting sleeve 1422 and a rear side spring protecting sleeve 1423, the two ends correspondence of described spring 1421 is embedded in described front side spring protecting sleeve 1422 and rear side spring protecting sleeve 1423, described front side spring protecting sleeve 1422 and rear side spring protecting sleeve 1423 be mobile being set on described straight rail 13 respectively, described front side spring protecting sleeve 1422 is connected with the trailing flank that described motor is installed slide block 141, and described rear side spring protecting sleeve 1423 is connected with described push pedal 143.
Wherein, described rear support 12 is provided with a distance adjustor 16, described distance adjustor 16 includes a pedestal 161, a screw mandrel 162 and a manual wrench 163, described pedestal 161 is positioned on described rear support 12, it is provided with a threaded hole (not indicating in figure), described leading screw 162 is bolted in described threaded hole, and its front end contacts with described push pedal 143, and its rear end is connected with described manual wrench 163.
Further, be separately provided with a pressure transducer 17 in described push pedal 143, described pressure transducer 17 is relative with the position of described screw mandrel 162, and the front end correspondence of described screw mandrel 162 contacts with described pressure transducer 17.So, the horizontal pretightning force that manual wrench 163 loads to resilient movement portion, the sizes values of its power can read out accurately by pressure transducer 17.
Please also refer to Fig. 1-Fig. 3, described platform part 42 includes a upper mounting plate 421 and a lower platform 422, described slush-pit launder 41 can be by the mode such as being spirally connected, be fixed on described lower platform 422, the sheathed upper end that is fixed on described slush-pit launder 41 of described upper mounting plate 421, front side between described upper mounting plate 421 and lower platform 422 and rear side is corresponding is connected by the vertical sliding sleeve 44 in described front side and the vertical sliding sleeve 45 of rear side, the upper end of described lifter 43 is connected with described lower platform 422;
Wherein, refer to Figure 10, Figure 11 b and Figure 11 c, described clamping part comprises a plurality of jackscrews 46 and a plurality of screw 412, and described in each, screw 412 is along being circumferentially distributed on the sidewall of described slush-pit launder 41, and described in each, jackscrew 46 correspondences are screwed onto screw 412 places described in each.
As shown in Figure 4, separately be provided with a mud circulating system 6, described mud circulating system 6 includes a steam piano 61, one mud tank 62 and a flowmeter 63, described flowmeter 63 is arranged in the outlet of described mud tank 62, the bottom of described slush-pit launder 41 is provided with an export department 413, in described export department 413, throttling valve 414 is installed, so that mud flow rate is controlled, wherein, between the input port of described steam piano 61 and described flowmeter 63, between the delivery outlet of described steam piano 61 and described export department 413, between the openend 411 of described slush-pit launder 41 and the entrance of described mud tank 62 respectively by a slip casting pipeline 64 (such as, metallic conduit, plastic flexible pipe etc.) be connected.When specific works, can will between slush-pit launder 41, steam piano 61 and mud tank 62, form the system of a circulation, thereby form the adjustable multiphase medium lubricating system of flow, described flowmeter can be for on-line monitoring flow.Due to this mud circulating system structure each parts be known configurations, therefore, no longer its structure is described in detail herein.
In addition, also can on mud tank 62, by flange, be fixedly connected with a stirring motor 65, the rotation of the blade connecting by stirring motor lower end, is uniformly distributed the high-density slurry in mud tank, to reach better result of use.
As shown in Figure 5, when concrete use, collision nut 151 is spirally connected on rear end by this collision bar 15, to match with resilient movement portion 14 (being that motor is installed slide block 141) by collision locknut 151, and by rotary collision locknut 151, can adjust the distance of collision bar 15 front ends and eccentric wheel 322 pericenters, and then set the amplitude size that excitation system 3 impacts, collision locknut 151 is installed slide block 141 with motor all the time and is close to.
The vertical dynamic load casing tube abrasion testing machine the utility model proposes, in actual use, in advance by sheathed scrobicular ring 255 places that are fixed on drill rod connector 252 lower ends of drilling rod sample 71, and sleeve pipe sample 72 is placed in slush-pit launder 41, spiral shell by jackscrew 46 in screw 412 enters, be resisted against the lateral surface of sleeve pipe sample 72, so that sleeve pipe sample is fixed, wherein, adjustable each jackscrew 46 stretches into the length in slush-pit launder 41, sleeve pipe sample and slush-pit launder setting are to concentric or eccentric (as shown in Figure 11 a-Figure 11 c) to be arranged, to meet different experiment needs, by lifter 43, regulate again the height of slush-pit launder 41, make drilling rod sample be arranged in the sleeve pipe sample of slush-pit launder 41, meanwhile, rotation manual spanner 163, utilize leading screw 162 to apply certain pretightning force to push pedal 143, slide block 141 to be installed by spring 1422 pushing motors, move, make together with a side (on the left of in Figure 11 a) close contact of drilling rod sample 71 that rotary system 2 lower ends install and sleeve pipe sample 72 in being clamped in slush-pit launder 41, having simulated actual well drilled middle sleeve maintains static, the original state of drilling rod spin friction sleeve pipe, when starting rotary system 2 and excitation system 3, just can carry out wear test,
Subsequently, by mud circulating system 6, in slush-pit launder 41, inject mud liquid, with lubricated to sleeve pipe sample, must note controlling the aperture of throttling valve 414 simultaneously, guarantee that the mud liquid of the injection in slush-pit launder is appropriate, avoid mud liquid overflow or splash in slush-pit launder 41, start respectively the electric rotating machine 21 of rotary system 2 and the shock electric machine 31 of excitation system 3, on the one hand, electric rotating machine 21 is by shaft coupling 23, the rotation of torque sensor 24 and drill rod connector 252, drive drilling rod sample to rotate, to do spin friction action with the madial wall of sleeve pipe sample, on the other hand, shock electric machine 31 band movable eccentric wheels 322 rotate, make lower bearing 34 rotations on eccentric wheel 322, utilize the design feature of eccentric wheel 322 known, lower bearing 34 is done eccentric rotary, and then by collision bar 15 pushing motors, slide block 141 is installed, make motor slide block 141 is installed under the eccentric wheel 322 of its both sides and the acting in conjunction of spring 1421, can reciprocatingly move along straight rail 131, then make the related drilling rod sample of electric rotating machine 21 move back and forth thereupon, also be, excitation system 3 clashes into by 15 pairs of rotary systems 2 of collision bar, make drilling rod sample and sleeve pipe sample when relatively rotating wearing and tearing, be subject to horizontal effect of impact, simulate drilling rod and casing wear in real operating mode and be subject to the effect of exciting, thus, under the drive of drilling rod sample along with electric rotating machine 21, in the inner vertically rotation of sleeve pipe sample, under the acting in conjunction of eccentric wheel 322 and spring 1421, move back and forth simultaneously, the inwall of sleeve pipe sample is applied to reciprocating percussive action, thereby the wear condition between simulation drilling rod drill pipe sub outer wall and internal surface of sleeve pipe.
In addition, in experimentation, also can, by controlling the rotating speed of shock electric machine 31, regulate the transverse vibration frequency of drilling rod sample; Utilize the lifting action of lifter, drive the sleeve pipe sample in slush-pit launder to move up and down, simulated the downward motion of drilling rod in real drilling process; When not starting the shock electric machine of excitation system, also can only by electric rotating machine, drive drilling rod sample to rotate, to carry out the casing tube abrasion testing of quiet contact load and pulsation contact load.
In a word, the vertical dynamic load casing tube abrasion testing machine the utility model proposes, can realize the simulation to multiple wear working condition between sleeve pipe and drill pipe sub, both can provide a kind of laboratory facilities for the abrasional behavior of further investigation drilling rod and sleeve pipe, can provide evaluation means for anti-wear technology between drilling rod and sleeve pipe again.
The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the modification of doing under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.

Claims (10)

1. a vertical dynamic load casing tube abrasion testing machine, is characterized in that, described vertical dynamic load casing tube abrasion testing machine comprises:
One loading system, include a front bearing, a rear support, a rail portion and a resilient movement portion, described rail portion comprises the straight rail that two along continuous straight runs are set up in parallel, described straight rail is connected between described front bearing and rear support, described resilient movement portion is mobile be set in two described on straight rail, the collision locknut being spirally connected on the rear end of its front side and a collision bar contacts, and its rear side contacts with described rear support, and described collision bar is mobile to be arranged on described front bearing;
One rotary system, it is provided with an electric rotating machine, described electric rotating machine is fixed in described resilient movement portion by an electric machine support, the output shaft of its lower end is connected with shaft coupling, torque sensor and drilling rod portion downwards in turn, described drilling rod portion can rotate is arranged in the pilot hole in described resilient movement portion, and its lower end is provided with one and establishes portion for the group of installing bull stick sample;
One excitation system, it includes a shock electric machine and an eccentric rotary portion, described shock electric machine is fixed on described front bearing by a motor mounting rack, described eccentric rotary portion can rotate is arranged in the through hole on described front bearing, its upper end is connected with the output shaft of described shock electric machine lower end, the sheathed lower bearing that is fixed with of its lower end, described lower bearing contacts with the front end of described collision bar;
One mounting and clamping system, be positioned at the downside of described rail portion, it is provided with slush-pit launder, a platform part and a lifter of a hollow, described slush-pit launder is fixed in described platform part, its upper end is openend, and the sidewall of described slush-pit launder is provided with a clamping part for grip sleeve sample, and the upper end of described lifter is connected with described platform part, when described platform part is up, the lower end of described drilling rod portion can protrude out in described slush-pit launder;
One frame, comprise a base, on described base, be provided with a plurality of front columns, middle part column and rear column, both sides, the front and back correspondence of described front bearing is arranged on described front column and middle part column, described rear support is fixed on described rear column, and wherein, the front side of described platform part, rear side are respectively equipped with the vertical sliding sleeve in front side and the vertical sliding sleeve of rear side, described front vertical sliding sleeve is corresponding with the vertical sliding sleeve of rear side to be set on described middle part column and rear column, and described lifter is fixed on described base.
2. vertical dynamic load casing tube abrasion testing machine as claimed in claim 1, it is characterized in that, described drilling rod portion includes a connecting short section and a drill rod connector, the correspondence that described drill rod connector can rotate is arranged in described pilot hole, and its upper end is connected with described torque sensor by described connecting short section;
Wherein, a sheathed taper roll bearing and the roller bearing of being fixed with in interval on described drill rod connector, described taper roll bearing and roller bearing correspondence are embedded upper port and the lower port that is fixed on described pilot hole;
Wherein, the described group of portion of establishing comprises a ring portion and a drilling rod sample catch, described ring portion is convexly equipped with on the lateral surface of described drill rod connector, and the lower end of close described drill rod connector, described drilling rod sample catch is connected by screw on the lower surface of described drill pipe sub, its external diameter is greater than the external diameter of described drill rod connector, forms a scrobicular ring for the described drilling rod sample of installing between described ring portion and described drilling rod sample catch.
3. vertical dynamic load casing tube abrasion testing machine as claimed in claim 1, it is characterized in that, described eccentric rotary portion includes a camshaft and an eccentric wheel, the upper end of described camshaft is connected with the output shaft of described shock electric machine, its lower end is sheathed is fixed with described eccentric wheel, and described lower bearing sleeve is located on described eccentric wheel;
Wherein, described eccentric outside convexes with a baffle ring, and described baffle ring, adjacent to the upside of described lower bearing, is separately arranged with a Lower shaft sleeve on described eccentric wheel, described Lower shaft sleeve is adjacent to the downside of described lower bearing, between itself and described eccentric wheel, by spring collar, connects and fixes;
Wherein, the correspondence that described camshaft can rotate is arranged in described through hole, its outside is arranged with a Upper shaft sleeve and a head bearing from top to bottom successively, the ring shoulder grafting that the upper end of described Upper shaft sleeve and described camshaft outside are convexly equipped with touches, its lower end is adjacent with described head bearing, and described head bearing is embedded in described through hole.
4. vertical dynamic load casing tube abrasion testing machine as claimed in claim 2, it is characterized in that, described eccentric rotary portion includes a camshaft and an eccentric wheel, the upper end of described camshaft is connected with the output shaft of described shock electric machine, its lower end is sheathed is fixed with described eccentric wheel, and described lower bearing sleeve is located on described eccentric wheel;
Wherein, described eccentric outside convexes with a baffle ring, and described baffle ring, adjacent to the upside of described lower bearing, is separately arranged with a Lower shaft sleeve on described eccentric wheel, described Lower shaft sleeve is adjacent to the downside of described lower bearing, between itself and described eccentric wheel, by spring collar, connects and fixes;
Wherein, state the correspondence that camshaft can rotate and be arranged in described through hole, its outside is arranged with a Upper shaft sleeve and a head bearing from top to bottom successively, the ring shoulder grafting that the upper end of described Upper shaft sleeve and described camshaft outside are convexly equipped with touches, its lower end is adjacent with described head bearing, and described head bearing is embedded in described through hole.
5. the vertical dynamic load casing tube abrasion testing machine as described in claim 1 to 4 any one, it is characterized in that, described resilient movement portion includes a motor slide block is installed, two elastic portion and a push pedal, described pilot hole is positioned at described motor and installs on slide block, the two opposite sides that described motor is installed slide block are respectively equipped with sleeve joint hole, described in each, sleeve joint hole is corresponding with straight rail described in each, and in described sleeve joint hole, be embedded with a sliding sleeve, described motor install slide block by described sliding sleeve correspondence, be set in two described on straight rail, described push pedal is adjacent with described rear support, its can movable sleeving be located at two described on straight rail, described in two elastic correspondence be set in two described on straight rail, described in each, the corresponding and described motor installation slide block in the two ends of elastic and described push pedal are connected,
Wherein, the front side that described motor is installed slide block contacts with the described collision locknut in described collision bar, the electric machine support of described rotary system is fixed on described motor and installs on slide block, described electric rotating machine is and is vertically fixed on described electric machine support, on described front bearing, a laser displacement sensor is separately installed, described laser displacement sensor is adjacent to a side of described collision bar.
6. vertical dynamic load casing tube abrasion testing machine as claimed in claim 5, it is characterized in that, described elastic bag one spring, a front side spring protecting sleeve and a rear side spring protecting sleeve, the two ends correspondence of described spring is embedded in described front side spring protecting sleeve and rear side spring protecting sleeve, described front side spring protecting sleeve and rear side spring protecting sleeve be mobile being set on described straight rail respectively, described front side spring protecting sleeve is connected with the trailing flank that described motor is installed slide block, and described rear side spring protecting sleeve is connected with described push pedal.
7. vertical dynamic load casing tube abrasion testing machine as claimed in claim 6, it is characterized in that, described rear support is provided with a distance adjustor, described distance adjustor includes a pedestal, a screw mandrel and a manual wrench, described pedestal is positioned on described rear support, and it is provided with a threaded hole, and described leading screw is bolted in described threaded hole, its front end contacts with described push pedal, and its rear end is connected with described manual wrench.
8. vertical dynamic load casing tube abrasion testing machine as claimed in claim 7, is characterized in that, is separately provided with a pressure transducer in described push pedal, and described pressure transducer is relative with the position of described screw mandrel, and the front end correspondence of described screw mandrel contacts with described pressure transducer.
9. vertical dynamic load casing tube abrasion testing machine as claimed in claim 1, it is characterized in that, described platform part includes a upper mounting plate and a lower platform, described slush-pit launder is fixed on described lower platform, the sheathed upper end that is fixed on described slush-pit launder of described upper mounting plate, front side between described upper mounting plate and lower platform and rear side is corresponding is connected by the vertical sliding sleeve in described front side and the vertical sliding sleeve of rear side, the upper end of described lifter is connected with described lower platform;
Wherein, described clamping part comprises a plurality of jackscrews and a plurality of screw, and described in each, screw is along being circumferentially distributed on the sidewall of described slush-pit launder, and described in each, jackscrew correspondence is screwed onto screw place described in each.
10. the vertical dynamic load casing tube abrasion testing machine as described in claim 1 or 9, it is characterized in that, separately be provided with a mud circulating system, described mud circulating system includes a steam piano, one mud tank and a flowmeter, described flowmeter is arranged in the outlet of described mud tank, the bottom of described slush-pit launder is provided with an export department, in described export department, throttling valve is installed, wherein, between the input port of described steam piano and described flowmeter, between the delivery outlet of described steam piano and described export department, between the openend of described slush-pit launder and the entrance of described mud tank, by a slip casting pipeline, be connected respectively.
CN201420306552.0U 2014-06-10 2014-06-10 A kind of vertical dynamic load casing tube abrasion testing machine Withdrawn - After Issue CN203929547U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104007034A (en) * 2014-06-10 2014-08-27 中国石油大学(北京) Vertical dynamic load casing-pipe wear testing machine
CN107965309A (en) * 2017-11-21 2018-04-27 中国神华能源股份有限公司 Shock simulation mechanism and shock simulation method for drillng operation
CN111997601A (en) * 2020-09-27 2020-11-27 西南石油大学 Device and method for measuring influence of rock debris content on natural gas hydrate drilling erosion
CN112081574A (en) * 2020-09-27 2020-12-15 西南石油大学 Device and method for measuring influence of microbend of natural gas hydrate drilling pipeline on flow field

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104007034A (en) * 2014-06-10 2014-08-27 中国石油大学(北京) Vertical dynamic load casing-pipe wear testing machine
CN107965309A (en) * 2017-11-21 2018-04-27 中国神华能源股份有限公司 Shock simulation mechanism and shock simulation method for drillng operation
CN111997601A (en) * 2020-09-27 2020-11-27 西南石油大学 Device and method for measuring influence of rock debris content on natural gas hydrate drilling erosion
CN112081574A (en) * 2020-09-27 2020-12-15 西南石油大学 Device and method for measuring influence of microbend of natural gas hydrate drilling pipeline on flow field
CN111997601B (en) * 2020-09-27 2022-07-15 西南石油大学 Device and method for measuring influence of rock debris content on natural gas hydrate drilling erosion

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