CN109990992B - Clamping table of power drilling tool load performance testing device - Google Patents
Clamping table of power drilling tool load performance testing device Download PDFInfo
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- CN109990992B CN109990992B CN201910130613.XA CN201910130613A CN109990992B CN 109990992 B CN109990992 B CN 109990992B CN 201910130613 A CN201910130613 A CN 201910130613A CN 109990992 B CN109990992 B CN 109990992B
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- 238000012360 testing method Methods 0.000 title claims abstract description 107
- 238000005553 drilling Methods 0.000 title claims abstract description 78
- 239000012530 fluid Substances 0.000 claims description 33
- 238000011084 recovery Methods 0.000 claims description 25
- 238000005096 rolling process Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a clamping table of a power drilling tool load performance testing device, which comprises a base, wherein a supporting cylinder is assembled on the base in a sliding manner, a test block placing table is arranged in the supporting cylinder, a test block holding piece is also arranged on the supporting cylinder, and the working end of the test block holding piece faces the test block placing table; the base is provided with a pushing piece, and the pushing piece is connected with the test block placing table. The clamping table of the power drilling tool load performance testing device has the remarkable effects that test blocks arranged according to the actual need simulated stratum environment are placed on the test block placement, and the test block holding piece is used for holding the test blocks tightly; simulating the rock breaking state of the power drilling tool; therefore, the performance parameters of the drill bit during rock breaking can be measured under the condition close to the actual working condition, and more reasonable basis is provided for evaluation and selection of constructors.
Description
Technical Field
The invention relates to a test system of a power drilling tool, in particular to a clamping table of a power drilling tool load performance test device.
Background
The power drilling tool is a bottom hole drilling tool capable of converting the energy of drilling fluid into drilling and rock breaking power, and is determined to be one of the best drilling tools of directional wells, cluster wells, highly deviated wells, horizontal wells and emergency rescue wells in western developed countries. Compared with the traditional rotary table drilling, the power drilling tool has great superiority in the aspects of improving the mechanical drilling speed, increasing the footage of a single drill bit, reducing the drilling cost per meter, realizing the directional control and the rapid and accurate target centering of the well track, ensuring the well quality and the drilling safety and the like.
The conventional mechanical properties such as the output torque of the power drilling tool and the like have important guiding significance for the evaluation, measurement and selection of people, the conventional mechanical properties such as the output torque, the pressure, the rotating speed and the like of the drilling tool can only be detected by the conventional power drilling tool test system at present, the load performance parameters such as the rock breaking torque, the bit pressure, the track change and the like cannot be detected, the difference between the test condition and the actual working condition is large, the combination of the drilling tool is unreasonable, the stress condition is deteriorated easily caused, the mechanical property and the service life are rapidly reduced, and the underground accidents such as the breakage of the drilling tool.
Disclosure of Invention
In order to solve the problem that the difference between the test condition and the actual working condition is large, the invention provides a clamping table of a power drilling tool load performance testing device, which can clamp test blocks for simulating various types of stratum conditions.
The technical scheme is as follows:
the utility model provides a power drilling tool load capability test device clamping platform which the key lies in: the test block placing device comprises a base, wherein a supporting cylinder is assembled on the base in a sliding manner, the supporting cylinder is horizontally placed, the cylinder center line of the supporting cylinder is parallel to the sliding direction of the supporting cylinder, a test block placing table is arranged in the supporting cylinder, a test block holding piece is further arranged on the supporting cylinder, and the working end of the test block holding piece faces the test block placing table;
the base is further provided with a pushing piece, the pushing direction of the pushing piece is parallel to the sliding direction of the supporting barrel, the pushing piece is located behind the test block placing table, and the pushing piece is connected with the test block placing table.
The technical scheme has the obvious effects that the test block is arranged according to the stratum environment to be simulated, the test block placing table is used for placing the test block, and the test block holding piece is used for holding the test block tightly; during testing, the power drilling tool is fixedly installed, a drill bit of the power drilling tool rotates, the pushing piece pushes the supporting cylinder and the test block placing table, and the test block is close to the drill bit of the power drilling tool, so that the rock breaking process is simulated; the supporting cylinder is used for installing the test block holding piece.
As a preferred technical scheme:
the upper surface that the platform was placed to the test block is equipped with the arc spacing groove, the extending direction of this arc spacing groove with the tube core line of a support section of thick bamboo is parallel, and the front end in this arc spacing groove is worn out the test block is placed the platform and in order to form open test block bayonet socket, and the rear end in this arc spacing groove is fixed with the test block baffle that seals its port, the work end orientation of test block holding member the arc spacing groove.
The arc-shaped limiting groove is used for stably placing the test block and plays a certain positioning role.
The drilling fluid recovery sleeve is characterized by further comprising a drilling fluid recovery sleeve, wherein the tube center line of the drilling fluid recovery sleeve is parallel to the tube center line of the supporting tube, the rear end of the drilling fluid recovery sleeve is in butt joint with the front end port of the arc-shaped limiting groove, and a blanking hole penetrates through the lower tube wall of the drilling fluid recovery sleeve. Cuttings, mud, and drilling fluid are recovered from the blanking holes.
The device comprises two bases, an arc supporting plate, a supporting cylinder, a rolling clamping groove and a plurality of sliding guide wheels, wherein the two bases are arranged oppositely, the arc supporting plate is connected between the two bases, the two arc edges of the arc supporting plate are respectively connected with the two bases, the inner arc surface of the arc supporting plate faces upwards, at least two parallel sliding guide rails are arranged on the inner arc surface of the arc supporting plate, the length direction of each sliding guide rail is parallel to the cylinder center line of the supporting cylinder, the outer wall of the supporting cylinder is provided with the sliding guide wheels, the sliding guide wheels fall on the corresponding sliding guide rails, the outer circumferential surface of each sliding guide wheel is provided with the rolling clamping groove in an annular mode, and the rolling clamping groove falls on the sliding guide;
the pushing part is arranged on the base behind the test block placing table and comprises a pushing hydraulic cylinder, the cylinder body of the pushing hydraulic cylinder is fixed on the corresponding base, the piston rod of the pushing hydraulic cylinder is parallel to the sliding guide rail, and the free end of the piston rod of the pushing hydraulic cylinder is connected with the test block baffle.
The test block holding piece comprises at least one holding hydraulic cylinder, the cylinder body of the holding hydraulic cylinder is fixed on the supporting cylinder respectively, the piston rod of the holding hydraulic cylinder faces towards the arc limiting groove in the radial direction, and the free end of the piston rod of the holding hydraulic cylinder is provided with a holding press block respectively.
A semi-cylindrical arc-shaped splash guard is buckled on the arc-shaped limiting groove and is positioned at the front part of the arc-shaped limiting groove, the inner arc surface of the arc-shaped splash guard faces downwards, outwards turned-up mounting lugs are respectively arranged on two straight line side edges of the arc-shaped splash guard, and the arc-shaped splash guard is respectively fixedly mounted on two sides of a notch of the arc-shaped limiting groove through the mounting lugs on the two straight line side edges of the arc-shaped splash guard;
the front arc edge of the arc-shaped splash shield is in butt joint with the upper edge of the rear end of the drilling fluid recovery sleeve, the lower edge of the rear end of the drilling fluid recovery sleeve is in butt joint with the front end edge of the arc-shaped limiting groove, and the arc-shaped splash shield and the drilling fluid recovery sleeve are integrally formed;
the working end of the test block holding piece faces the rear part of the arc-shaped limiting groove.
And the arc-shaped edge at the rear side of the arc-shaped splash guard is provided with a hooping deformation sheet which is arranged in a zigzag manner. The test block is simultaneously located the drilling fluid recovery sleeve, the arc splash guard and the arc spacing inslot, and rubber sheet or adhesive tape are filled between the arc splash guard and the test block, and the deformation in-sheet buckle will be cramped again and the rubber sheet or adhesive tape compresses tightly to play the sealing effect, prevent that mud from the rear portion spill.
A supporting table is arranged on the inner wall of the supporting cylinder, the supporting table is positioned at the bottom of the supporting cylinder, a placing table sliding groove is arranged on the upper surface of the supporting table, the length direction of the placing table sliding groove is parallel to the length direction of the sliding guide rail, a placing table sliding block is arranged at the bottom of the test block placing table, the placing table sliding block falls into the placing table sliding groove, and a placing table locking pin is inserted between the placing table sliding block and the placing table sliding groove;
at least one placing table guide rod is connected between the two bases, and the placing table guide rod movably penetrates through the test block placing table.
Has the advantages that: by adopting the clamping table of the power drilling tool load performance testing device, the test block arranged according to the actual need simulated stratum environment is placed on the test block placement, and the test block holding piece is used for holding the test block tightly; simulating the rock breaking state of the power drilling tool; therefore, the performance parameters of the drill bit during rock breaking can be measured under the condition close to the actual working condition, and more reasonable basis is provided for evaluation and selection of constructors.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view C-C of FIG. 3;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 3;
FIG. 7 is an enlarged view of the j portion of FIG. 6;
FIG. 8 is a schematic view of the mounting structure of the test block placing table a13, the drilling fluid recovery sleeve a16 and the arc-shaped splash plate a 23;
FIG. 9 is a perspective assembly view of the present invention with horizontal slide b and lifting assembly c;
FIG. 10 is a plan view of the present invention in combination with a horizontal slide b and a lifting assembly c;
FIG. 11 is an enlarged view of section i of FIG. 10;
FIG. 12 is a cross-sectional view E-E of FIG. 10;
FIG. 13 is an enlarged view of the portion p of FIG. 12;
FIG. 14 is an enlarged view of portion q of FIG. 12;
FIG. 15 is a schematic perspective view of the present invention in use;
FIG. 16 is an enlarged view of the portion m of FIG. 15;
FIG. 17 is a schematic plan view of the present invention in use;
fig. 18 is an enlarged view of the n-part of fig. 17.
Detailed Description
The invention is further illustrated by the following examples and figures.
As shown in fig. 1-8, a clamping table of a power drill load performance testing device comprises a base a10, a support cylinder a11 is slidably assembled on the base a10, the support cylinder a11 is horizontally placed, the center line of the support cylinder a11 is parallel to the sliding direction of the support cylinder a, a test block placing table a13 is arranged in the support cylinder a11, a test block holding piece a14 is further arranged on the support cylinder a11, and the working end of the test block holding piece a14 faces the test block placing table a 13;
the base a10 is further provided with a pushing piece a15, the pushing direction of the pushing piece a15 is parallel to the sliding direction of the supporting cylinder a11, the pushing piece a15 is positioned behind the test block placing table a13, and the pushing piece a15 is connected with the test block placing table a 13.
The upper surface of the test block placing table a13 is provided with an arc-shaped limiting groove, the extending direction of the arc-shaped limiting groove is parallel to the cylinder center line of the supporting cylinder a11, the front end of the arc-shaped limiting groove penetrates out of the test block placing table a13 to form an open test block bayonet, the rear end of the arc-shaped limiting groove is fixed with a test block baffle a22 for sealing the port of the arc-shaped limiting groove, and the working end of the test block holding piece a14 faces the arc-shaped limiting groove; the test block clasping piece a14 comprises at least one clasping hydraulic cylinder, the cylinder body of the clasping hydraulic cylinder is fixed on the supporting cylinder a11, the piston rod of the clasping hydraulic cylinder faces inwards in the radial direction to the arc-shaped limiting groove, and the free end of the piston rod of the clasping hydraulic cylinder is provided with a clasping press block a 21.
The drilling fluid recovery sleeve a16 is further included, the tube center line of the drilling fluid recovery sleeve a16 is parallel to the tube center line of the support tube a11, the rear end of the drilling fluid recovery sleeve a16 is in butt joint with the front end port of the arc-shaped limiting groove, and a blanking hole a17 penetrates through the lower tube wall of the drilling fluid recovery sleeve a 16; a semi-cylindrical arc-shaped splash guard a23 is buckled on the arc-shaped limiting groove, the arc-shaped splash guard a23 is positioned at the front part of the arc-shaped limiting groove, the inner arc surface of the arc-shaped splash guard a23 faces downwards, two straight line sides of the arc-shaped splash guard a23 are respectively provided with an outward-turned mounting lug a24, and the arc-shaped splash guard a23 is respectively fixedly mounted at two sides of a notch of the arc-shaped limiting groove through the mounting lugs a24 on the two straight line sides;
the front arc edge of the arc-shaped splash guard a23 is butted with the upper edge of the rear end of the drilling fluid recovery sleeve a16, the lower edge of the rear end of the drilling fluid recovery sleeve a16 is butted with the front end edge of the arc-shaped limiting groove, and the arc-shaped splash guard a23 is integrally formed with the drilling fluid recovery sleeve a 16;
the working end of the test block clasping piece a14 faces the rear part of the arc-shaped limiting groove;
and the rear arc edge of the arc-shaped splash guard a23 is provided with a clamping deformation sheet a25 which is arranged in a zigzag manner.
The number of the bases a10 is two, the two bases a10 are arranged oppositely, an arc-shaped supporting plate a18 is connected between the two bases a10, two arc-shaped edges of the arc-shaped supporting plate a18 are respectively connected with the two bases a10, the inner arc surface of the arc-shaped supporting plate a18 faces upwards, at least two parallel sliding guide rails a19 are arranged on the inner arc surface of the arc-shaped supporting plate a18, the length direction of each sliding guide rail a19 is parallel to the cylinder center line of the supporting cylinder a11, a sliding guide wheel a20 is arranged on the outer wall of the supporting cylinder a11, the sliding guide wheels a20 fall on the corresponding sliding guide rails a19, and rolling clamping grooves are circumferentially arranged on the outer circumferential surface of each sliding guide wheel a20 and fall on the corresponding sliding guide rails a 19;
the pushing piece a15 is arranged on the base a10 behind the test block placing table a13, the pushing piece a15 comprises a pushing hydraulic cylinder, the cylinder body of the pushing hydraulic cylinder is fixed on the corresponding base a10, the piston rod of the pushing hydraulic cylinder is parallel to the sliding guide rail a19, and the free end of the piston rod of the pushing hydraulic cylinder is connected with the test block baffle a 22;
a support table a26 is provided on the inner wall of the support cylinder a11, the support table a26 is located at the bottom of the support cylinder a11, a placing table chute is provided on the upper surface of the support table a26, the longitudinal direction of the placing table chute is parallel to the longitudinal direction of the slide rail a19, a placing table slider a27 is provided at the bottom of the test block placing table a13, the placing table slider a27 is placed in the placing table chute, and a placing table lock pin is inserted between the placing table slider a27 and the placing table chute;
at least one placing table guide rod a28 is connected between the two bases a10, and the placing table guide rod a28 movably penetrates through the test block placing table a 13.
Fig. 9-18 show the state of the invention in use:
the horizontal sliding part b is provided with a lifting assembly c, and the lifting assembly c is provided with a clamping table a of the power drilling tool load performance testing device; the horizontal sliding part b comprises two horizontal rails b10 which are arranged oppositely, and power travelling mechanisms are respectively arranged on the horizontal rails b 10;
the power walking mechanism comprises a walking linkage seat b17, a walking guide bar b12 and a walking rack b15 which are parallel to each other, the walking guide bar b12 and the walking rack b15 are respectively and horizontally arranged on the horizontal track b10, the walking linkage seat b17 is positioned above the horizontal track b10, a walking servo motor b11, a walking roller b13 and a driven gear b16 are arranged on the walking linkage seat b17, a driving gear b14 is coaxially and fixedly sleeved on an output shaft of the walking servo motor b11, the driving gear b14 is meshed with the driven gear b16, the driven gear b16 is meshed with the walking rack b15, the walking roller b13 is arranged on the walking guide bar b12 in a riding mode, anti-deviation baffles b18 are respectively and vertically arranged on the two horizontal tracks b10, the anti-deviation baffles b18 are arranged in parallel to the walking guide bar b12, and anti-deviation wheels 19 b18 are respectively arranged in front of the anti-deviation baffles, the anti-deviation wheel b19 is mounted on the corresponding walking linkage seat b17, and the anti-deviation wheel b19 abuts against the anti-deviation baffle b18 and can roll along the anti-deviation baffle b 18.
Two sets of lifting components c are arranged on each walking linkage seat b17, each lifting component c comprises a lifting screw c10, a lifting guide post c11 and a fixing seat c12 which are vertically arranged, each fixing seat c12 is positioned above each walking linkage seat b17, the lower end of each lifting guide post c11 is fixedly connected with each walking linkage seat b17, and the upper end of each lifting guide post c11 is fixedly connected with each fixing seat c 12;
a lifting servo motor c13 is arranged on the fixed seat c12, the body of the lifting servo motor c13 is fixed on the fixed seat c12, the output shaft of the lifting servo motor c13 is downward vertically, the lower end of the lifting screw c10 is installed on the walking linkage seat b17 through a bearing, and the upper end of the lifting screw c10 is axially connected with the output shaft of the lifting servo motor c 13;
the lifting guide column c11 passes through the lifting base a10 movably, and the lifting screw c10 passes through the lifting base a10 and is connected with the lifting base a10 in a threaded manner.
The drilling tool further comprises a drilling tool mounting part and a drilling fluid pump s; the drilling tool mounting part comprises an overturning base d1, at least two drilling tool clamping devices e are arranged on the overturning base d1, the same screw drilling tool d2 is clamped on the drilling tool clamping devices e, the tail part of the screw drilling tool d2 is connected with the drilling fluid pump s through a pipeline, and a drill bit d3 is arranged at the head part of the screw drilling tool d 2;
a test block x is placed in the arc-shaped limiting groove, the test block x is cylindrical, the rear end face of the test block x abuts against the test block baffle a22, the test block x is located in the drilling fluid recovery sleeve a16, the arc-shaped splash guard a23 wraps the test block x, the tightening press block a21 is in contact with and abuts against the outer circumferential surface of the test block x, the blanking hole a17 is connected with a liquid return hose y, the tail end of the liquid return hose y is connected with a drilling fluid storage tank z, the drilling fluid pump s obtains drilling fluid from the drilling fluid storage tank z, and the drill bit d3 is located in front of the test block placing table a13 and faces the test block x;
the overturning base d1 is long, the length direction of the overturning base d1 is perpendicular to the sliding direction of the horizontal sliding piece b, an overturning jacking hydraulic cylinder d4 is arranged below the overturning base d1, a piston rod of the overturning jacking hydraulic cylinder d4 extends upwards and supports the overturning base d1, one end, close to the test block clamping part, of the overturning base d1 is provided with a hinge seat d5, and the end part of the overturning base d1 is hinged with the hinge seat d 5; at least two angle positioning holes d6 are circumferentially distributed on the hinged seat d5 around the hinged point, an angle locking hole is arranged on the turnover base d1 and corresponds to any angle positioning hole d6, and an angle locking bolt d7 is inserted into the angle locking hole and the corresponding angle positioning hole d 6.
The drilling tool clamping device e is assembled on the turnover type base d1 in a sliding mode, a linear guide rail-sliding block fit, a guide rod-guide hole fit or a rail-roller fit can be formed between the turnover type base d1 and the drilling tool clamping device e, the drilling tool clamping device e slides along the length direction of the turnover type base d1, a clamping device power walking assembly can be further arranged between the turnover type base d1 and the drilling tool clamping device e, and the structure of the clamping device power walking assembly is consistent with the structure and installation and placement of a power walking mechanism on the horizontal rail b 10; the drilling tool clamping device e is disclosed in the prior patent documents [ such as chinese patent/patent application (publication/publication number): CN105756584A, CN105781453A, CN204552653U, CN102367726A, CN202300252U, and CN201346689Y are all described in the specification, wherein the structure, function, and use of the device are the same as those of the drilling tool clamping device e in the present application, and therefore, the description thereof is omitted here.
Pressure sensors (such as ASCARI-SIN-LCLY, Riwow-LF-502 and the like) are arranged between the rear end face of the test block x and the block baffle a22 to measure the drilling pressure during rock breaking, torque sensors (such as Tianyu constant wound-CYT-304 and the like) are arranged between the output end (rotor) of the screw drill d2 and the drill bit d3 to measure the dynamic torque during rock breaking, and the output end of the screw drill d2 is connected with the torque sensors and the drill bit d3 is connected with the torque sensors through couplings.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (3)
1. The utility model provides a power drilling tool load capability test device clamping platform which characterized in that: the test block placing device comprises a base (a 10), wherein a supporting cylinder (a 11) is assembled on the base (a 10) in a sliding manner, the supporting cylinder (a 11) is horizontally placed, the cylinder center line of the supporting cylinder (a 11) is parallel to the sliding direction of the supporting cylinder, a test block placing table (a 13) is arranged in the supporting cylinder (a 11), a test block holding piece (a 14) is further arranged on the supporting cylinder (a 11), and the working end of the test block holding piece (a 14) faces the test block placing table (a 13);
the base (a 10) is also provided with a pushing piece (a 15), the pushing direction of the pushing piece (a 15) is parallel to the sliding direction of the supporting cylinder (a 11), the pushing piece (a 15) is positioned behind the test block placing table (a 13), and the pushing piece (a 15) is connected with the test block placing table (a 13);
the upper surface of the test block placing table (a 13) is provided with an arc-shaped limiting groove, the extending direction of the arc-shaped limiting groove is parallel to the cylinder center line of the supporting cylinder (a 11), the front end of the arc-shaped limiting groove penetrates out of the test block placing table (a 13) to form an open test block bayonet, the rear end of the arc-shaped limiting groove is fixed with a test block baffle (a 22) for sealing the port of the arc-shaped limiting groove, and the working end of the test block holding piece (a 14) faces the arc-shaped limiting groove;
the drilling fluid recovery sleeve (a 16) is further included, the tube center line of the drilling fluid recovery sleeve (a 16) is parallel to the tube center line of the supporting tube (a 11), the rear end of the drilling fluid recovery sleeve (a 16) is in butt joint with the front end port of the arc-shaped limiting groove, and a blanking hole (a 17) penetrates through the lower tube wall of the drilling fluid recovery sleeve (a 16);
the two bases (a 10) are arranged oppositely, two bases (a 10) are arranged oppositely, an arc-shaped supporting plate (a 18) is connected between the two bases (a 10), two arc-shaped edges of the arc-shaped supporting plate (a 18) are respectively connected with the two bases (a 10), the inner arc surface of the arc-shaped supporting plate (a 18) faces upwards, at least two parallel sliding guide rails (a 19) are arranged on the inner arc surface of the arc-shaped supporting plate (a 18), the length direction of each sliding guide rail (a 19) is parallel to the tube center line of the supporting tube (a 11), a sliding guide wheel (a 20) is arranged on the outer wall of the supporting tube (a 11), the sliding guide wheel (a 20) falls on the corresponding sliding guide rail (a 19), a rolling clamping groove is arranged on the outer circumferential surface of the sliding guide wheel (a 20) in an annular mode, and the rolling clamping groove falls on the sliding guide rail (a 19);
the pushing piece (a 15) is arranged on the base (a 10) behind the test block placing table (a 13), the pushing piece (a 15) comprises a pushing hydraulic cylinder, the cylinder body of the pushing hydraulic cylinder is fixed on the corresponding base (a 10), the piston rod of the pushing hydraulic cylinder is parallel to the sliding guide rail (a 19), and the free end of the piston rod of the pushing hydraulic cylinder is connected with the test block baffle (a 22);
the test block clasping piece (a 14) comprises at least one clasping hydraulic cylinder, the cylinder bodies of the clasping hydraulic cylinders are respectively fixed on a support cylinder (a 11), the piston rods of the clasping hydraulic cylinders radially and inwards face the arc-shaped limiting grooves, and the free ends of the piston rods of the clasping hydraulic cylinders are respectively provided with a clasping press block (a 21);
a semi-cylindrical arc-shaped splash guard (a 23) is buckled on the arc-shaped limiting groove, the arc-shaped splash guard (a 23) is positioned at the front part of the arc-shaped limiting groove, the inner arc surface of the arc-shaped splash guard (a 23) faces downwards, outwards turned mounting lugs (a 24) are respectively arranged on two straight line sides of the arc-shaped splash guard (a 23), and the arc-shaped splash guard (a 23) is respectively fixedly mounted on two sides of a notch of the arc-shaped limiting groove through the mounting lugs (a 24) on the two straight line sides;
the front arc edge of the arc-shaped splash guard (a 23) is butted with the upper edge of the rear end of the drilling fluid recovery sleeve (a 16), the lower edge of the rear end of the drilling fluid recovery sleeve (a 16) is butted with the front end edge of the arc-shaped limiting groove, and the arc-shaped splash guard (a 23) is integrally formed with the drilling fluid recovery sleeve (a 16);
the working end of the test block clasping piece (a 14) faces the rear part of the arc-shaped limiting groove.
2. The clamping table of the power drill load performance testing device according to claim 1, characterized in that: and the rear arc edge of the arc-shaped splash guard (a 23) is provided with clamping deformation sheets (a 25) which are arranged in a zigzag manner.
3. The clamping table of the power drill load performance testing device according to claim 2, characterized in that: a support table (a 26) is arranged on the inner wall of the support cylinder (a 11), the support table (a 26) is positioned at the bottom of the support cylinder (a 11), a placing table sliding groove is arranged on the upper surface of the support table (a 26), the length direction of the placing table sliding groove is parallel to the length direction of the sliding guide rail (a 19), a placing table sliding block (a 27) is arranged at the bottom of the test block placing table (a 13), the placing table sliding block (a 27) falls in the placing table sliding groove, and a placing table locking pin is inserted between the placing table sliding block (a 27) and the placing table sliding groove;
at least one placing table guide rod (a 28) is connected between the two bases (a 10), and the placing table guide rod (a 28) movably penetrates through the test block placing table (a 13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130613.XA CN109990992B (en) | 2019-02-21 | 2019-02-21 | Clamping table of power drilling tool load performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130613.XA CN109990992B (en) | 2019-02-21 | 2019-02-21 | Clamping table of power drilling tool load performance testing device |
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| CN109990992A CN109990992A (en) | 2019-07-09 |
| CN109990992B true CN109990992B (en) | 2020-12-04 |
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| CN111594136B (en) * | 2020-04-28 | 2022-04-29 | 重庆科技学院 | Multifunctional power drilling tool experiment platform |
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| CN103216220B (en) * | 2013-04-11 | 2015-10-28 | 甘肃蓝科石化高新装备股份有限公司 | Rotary steerable tool horizontal drilling experimental rig |
| CN108760280A (en) * | 2018-08-14 | 2018-11-06 | 重庆科技学院 | A kind of large torque power drilling tool fictitious load experimental rig |
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| Title |
|---|
| 螺杆钻具试验台应用研究;高晓雷;《石油和化工设备》;20181231;第21卷(第4期);第47-50页 * |
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|---|---|
| CN109990992A (en) | 2019-07-09 |
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