CN209928020U - Drilling tool accurate measurement positioning device and rotary drilling rig - Google Patents
Drilling tool accurate measurement positioning device and rotary drilling rig Download PDFInfo
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- CN209928020U CN209928020U CN201920553769.4U CN201920553769U CN209928020U CN 209928020 U CN209928020 U CN 209928020U CN 201920553769 U CN201920553769 U CN 201920553769U CN 209928020 U CN209928020 U CN 209928020U
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Abstract
The utility model provides a drilling tool accurate measurement positioning device and a rotary drilling rig, which are used for positioning the mounting position of a drilling tool on a drilling barrel, and comprise a laser transmitter, a laser transmitter fixing plate, a square centering base component, a centering conduction rod, a track centering adjustment component, a centering laser receiver, a measurement detection component and a special fixture, wherein the laser transmitter is fixed on the laser transmitter fixing plate, the laser transmitter fixing plate is fixed at the bottom of the square centering base component through a positioning device, the square centering base component is connected with the centering conduction rod, the measurement detection component is arranged on the centering laser receiver through a rotating shaft, the problem of large mounting deviation caused by frequent positioning by manual experience in the prior art is effectively solved, the mounting position of the drilling tool on the drilling barrel can be rapidly and accurately positioned, and through accurate visual measurement, the consistency of the replaced drilling tool on the drill cylinder is ensured, and the method has high practical value.
Description
Technical Field
The utility model belongs to a pile foundation work progress for gear wheel quick replacement's simple and convenient automation equipment realizes quick, the accurate location of gear wheel drill bit welded position on boring a section of thick bamboo, guarantees that the gear wheel after the change keeps the uniformity on boring a section of thick bamboo.
Background
The rotary drilling method hole forming construction process has the advantages of low noise, low vibration, high drilling speed, convenience in moving in a construction site, small construction occupied area and the like, and is rapidly developed in China in nearly 10 years. Especially in the projects such as building construction, municipal works, and bridges, highways, railways and the like which are scattered in distribution, the rotary drilling rig forms holes, which becomes the first choice for hole forming operation.
The drilling tool is selected and matched in the rotary drilling rig pore-forming operation process which has the greatest influence on the operation cost and speed, and particularly under the condition of hard rock, the drilling tool cost becomes one of the pore-forming operation costs with the greatest specific gravity. At present, drilling tools for forming holes by rotary drilling under a hard rock stratum have two types: rotary cutting picks and roller drills.
In recent years, two types of drilling tools for rotary drilling in foundation engineering pile foundation industry at home and abroad are available: rotary cutting picks and roller drills. The rotary cutting tooth and the gear drill are welded on the wall of a drill barrel of the rotary drilling rig, the rotary cutting tooth and the gear drill are firstly contacted with a rock excavation surface during working and are tightly pressed on the rock surface under the action of thrust, the rotary cutting tooth and the gear drill revolve around a central shaft of a power square shaft of the drill barrel and rotate around the axis of the rotary cutting tooth and the gear drill on the one hand along with the rotation of the drill barrel, under the combined action of the thrust and the torque, hard alloy embedded at the working head of the rotary cutting tooth and the gear drill is pressed into the rock, comprehensive effects such as extrusion, shearing, tension fracture and the like are generated on the rock, the rock cracks are generated on the rock, rock fragments are separated from a matrix along with the continuous rotation of the drill barrel, after a certain depth is reached, a sealing element at the bottom of the drill.
The welding position and the arrangement mode of the rotary excavating cutting teeth and the gear drills on the drill barrel become key influence factors of the quality and the progress of rotary excavating construction, the welding angle, the welding position and the welding height are required to be consistent, the center shaft of the cylindrical barrel wall of the drill barrel is overlapped with the center shaft of the power square shaft of the drill barrel under the condition that the initially-installed drill barrel is not abraded, the center shaft of the power square shaft of the drill barrel does not have an effective positioning measurement mode at present, the initially-installed rotary excavating cutting teeth and the gear drills cut welding openings by taking the center shaft axis of the barrel wall of the drill barrel as a reference in the welding process, the welding openings can only be operated by manual experience, the opened welding openings are generally irregular, the angle and the position of the rotary excavating cutting teeth and the gear drills are difficult to control, the welding height and the position of part of the rotary excavating cutting teeth and the rotary drills are deviated, the maximum deviation is 2CM counted, and the position deviation easily, Overload seriously affects the construction quality and progress.
Meanwhile, in the construction process, the working environment of the drill cylinder of the rotary drilling rig is relatively severe, the deformation of the drill cylinder is easily caused, the central axis of the drill cylinder is not overlapped with the central axis of the power square shaft of the drill cylinder any more, and relative displacement occurs, at the moment, the distance between the welded rotary drilling cutting teeth and the cone drill which are mainly aligned by manual experience and are welded and the distance from the factory to the central axis of the power square shaft is different, so that the rock breaking track formed by revolution around the central line of the power square shaft is dispersed into a group of concentric circles, the motion tracks among the rotary drilling cutting teeth or the cone drill are not overlapped, the rock breaking track of the rotary drilling cutting teeth or the cone drill is dispersed into a group of concentric circles rotating around the central axis from the original circular track which takes the power square shaft of the drill bit as the center, namely the rotary drilling cutting teeth or the cone drill which is originally concentrated on one rock breaking track are dispersed onto a plurality of concentric circles, so that the number of rock breaking alloy, the stress of the gear wheel and a single alloy is increased, and meanwhile, due to the change of the welding position, the staggered protection function between two adjacent gear wheels is lost, so that the abrasion of the gear wheel is intensified, and the situations of alloy tooth breakage and tooth breakage, even locking of a gear wheel bit and tooth leg fracture occur in serious cases.
In conclusion, in the rotary excavating construction process, the correct installation reference of the rotary cutter and the cone drill track is determined for avoiding the variation of the track of the rotary cutter and the cone drill track, namely the determination of the central axis of the power square shaft for providing the rotary power for the drill barrel becomes a key.
Disclosure of Invention
The utility model discloses mainly for solving above-mentioned problem, a novel centering conduction mechanism is provided, through visual measurement, carry out the location quick, accurate power square shaft center pin to digging soon the first installation of pick or gear drill and follow-up change, can accurately mark the setting of the welding mouth that uses the center pin of boring a section of thick bamboo power square shaft as the benchmark through the device and dig pick or gear drill's installation angle, height soon, avoid the problem that the welding risk and the section of thick bamboo wall deformation brought that artificial experience are leading, belong to the simple and convenient automation equipment who is applicable to the job site.
The technical scheme of the utility model is realized like this:
a drilling tool precision measurement positioning device comprising: laser generator, the laser emitter fixed plate, square centering base subassembly, centering conduction pole, orbit centering adjusting part, centering laser receiver, measure the determine module, special fixture, wherein laser generator fixes on the laser emitter fixed plate, the bottom at square centering base subassembly is fixed to the laser emitter fixed plate, square centering base subassembly links together with centering conduction pole, orbit centering adjusting part and centering laser receiver fix the one end of keeping away from square centering base subassembly, it installs on centering laser receiver through central pivot to measure the determine module installation, special fixture swing joint is on measuring the determine module.
Optimally, a fixing through hole for installing the laser transmitter is arranged on the central axis of the laser transmitter fixing plate, and two mounting holes communicated with the fixing through hole are arranged on the side wall of the laser transmitter fixing plate and used for installing and locking a locking device of the laser transmitter.
Optimally, square location base subassembly includes square roof, lateral wall all around, wherein square roof sets up cylindrical counter bore in top plane center pin department, and cylindrical counter bore bottom sets up the through-hole that laser passed through, the lateral wall be the rectangle sheet metal, the lateral wall is fixed on square roof all around.
Optimally, the square positioning base assembly is provided with a wear loss adjusting device, the wear loss adjusting device comprises a flat key, a flat key groove, an adjusting bolt and corresponding threaded through holes, the flat key groove is formed in the peripheral side wall, the extension amount of the flat key relative to the peripheral side wall is adjusted by setting the screwing-in amount of the adjusting bolt, and the flat key and the peripheral outer plane of the peripheral side wall are in the same plane or slightly lower in a normal state.
Optimally, the centering conduction rod is set to be of a circular tubular structure, one end of the centering conduction rod is fixed on the square top plate of the square centering base, the other end of the centering conduction rod is connected with the track centering adjusting component and the centering laser receiver, and the axis of the centering conduction rod coincides with the central axis of the square centering base component.
Optimally, the centering laser receiver is of a T-shaped tubular structure, a first counter bore, a second counter bore and a laser receiving through hole are sequentially arranged inside the centering laser receiver from one end face to the inside along the direction of the central axis, the diameter of the first counter bore is larger than that of the second counter bore, the diameter of the second counter bore is larger than that of the laser receiving through hole, and the diameter of the laser receiving through hole is consistent with that of the through hole in the square top plate.
Optimally, measure the determine module and include central pivot, measure sleeve, leveling ruler, slant support and fastener, wherein measure the sleeve and install in central pivot to can be through installing the tight central pivot of fastener top on measuring the sleeve and lock both relative positions, central pivot be the round bar structure, set up runway shape heavy groove on vertical lateral wall, the measurement sleeve be circular tubular structure, set up two at least fastener that link up along the central axis direction on vertical lateral wall, the leveling ruler is fixed in the one end of measuring the sleeve, the slant support is fixed between measurement sleeve and leveling ruler, form stable triangle-shaped supporting structure, the leveling ruler side on have a set of minimum scale to be 1 mm's scale mark.
Optimally, the special fixture comprises a sliding block, a T-shaped connecting neck and a special clamping jaw, wherein the sliding block is of a tubular structure, the T-shaped connecting neck is arranged between the clamping jaw and the sliding block, one end, close to the clamping jaw, of the T-shaped connecting neck is provided with a dial indicator fixing hole, a jackscrew hole which is communicated with the fixing hole is formed in the side face of the T-shaped connecting neck, the dial indicator is fixed through a jackscrew, a through hole used for fixing a scribing tool is formed in the front side wall of the clamping jaw, a jackscrew hole which is communicated with the clamping jaw is formed in the right side wall of the clamping jaw, and the special fixture is installed on a.
The utility model discloses a dig rig soon's technical scheme is like:
the rotary drilling rig comprises a drilling barrel, wherein the drilling barrel is provided with the drilling tool accurate measurement positioning device, and the drilling tool accurate measurement positioning device is connected with the drilling barrel through a supporting assembly.
Optimally, the supporting assembly comprises a supporting screw rod, a supporting shoe and a locking device, one end of the supporting screw rod is connected with the track centering adjusting assembly through the supporting shoe, the other end of the supporting screw rod is connected with the drilling barrel, and the locking device is arranged on the supporting shoe.
Optimally, the supporting shoe consists of a circular sleeve with an opening at one end and an arc-shaped plate, and the radian of the outer side wall of the arc-shaped plate is consistent with that of the inner wall of the drilling cylinder of the rotary drilling rig.
Optimally, the dimension of the square fixing holes for installing the power square shaft on the drilling cylinder of the rotary drilling rig is kept consistent with the dimension of the outline dimension 1 of the peripheral side wall of the square positioning base assembly.
The utility model discloses an operation method of rotary drilling rig, its characterized in that: which comprises the following steps:
A. firstly, completing the overlapping arrangement of the central axis of a square base and the central axis of a square power shaft mounting hole of a drill cylinder in a first step;
the method comprises the steps of removing abrasion loss measured by each square mounting hole by measuring the square mounting hole of the power square shaft at the bottom of a drill barrel head, placing a square centering base assembly of a centering and conducting mechanism into the square mounting hole if abrasion does not occur, supporting a supporting shoe of a supporting assembly on the inner side wall of the drill barrel, ejecting flat keys by adjusting bolts if the square mounting hole of the square power shaft is abraded by measuring the fact that the peripheral side walls of the square base form a square tubular structure and the external dimension of the tubular structure is consistent with the dimension of a square fixing hole for mounting the power square shaft, the central axis of the square base is coincident with the central axis of the square power mounting hole, and compensating the abrasion loss of the square power shaft mounting hole by the extension amount of the flat keys according to the abrasion loss of each surface on the square power shaft mounting hole corresponding to the ejection loss of each flat key, then the square centering base assembly is arranged in the square power shaft mounting hole in a flat key protruding mode, and a support shoe of the support assembly is supported on the inner side wall of the drill barrel, and at the moment, the central axis of the square base is overlapped with the central axis of the square positioning mounting hole;
B. the setting of the coincidence of the rotation central axis of the measuring component (9) and the central axis of the square positioning base component (3) is completed:
the laser transmitter arranged on the laser transmitter fixing plate is opened, so that the laser enters the centering conduction rod through the through hole, because the laser can not accurately pass through the laser receiving hole under the action of the gravity of the track centering adjusting component, the initial supporting position of the supporting shoe of the supporting component and the deformation of the drilling barrel, the supporting screw rod is further rotated in the threaded pipe of the track centering adjusting component through the square boss to drive the track centering adjusting component to move along the rotating supporting screw rod and further drive the centering transmission rod and the laser receiver to move, through the rotation of the 3 groups of supporting screw rods, the position state that laser can pass through a laser receiving hole is found, at the moment, a locking bolt/screw is tightly propped against the annular open slot through the threaded through hole, the supporting screw rods and the supporting shoes are locked, and the coincidence of the rotation central axis of the measuring and detecting assembly and the central axis of the square positioning base assembly is completed;
C. the cutting position and the cone mounting position are accurately positioned:
after the setting of the rotation central axis of the measuring and detecting assembly and the central axis of the square positioning base assembly are overlapped, the rotation of the measuring and detecting assembly rotates by the central axis of the power square shaft mounting hole, the cone mounting position calibrated by taking the central axis of the power square shaft mounting hole as a reference is measured by a special fixture for measuring the height of the cone bit which is not damaged and the distance relative to the central axis, and the measurement is finished. And locking and fixing the special fixture, locking the movement of the measuring sleeve in the axial direction by screwing the fastening screw, namely determining the installation distance of the cone relative to the central axis and the installation height of the cone, and calibrating the installation position of the cone to be maintained by taking the installation distance as a reference.
Optimally, the method also comprises a welding inspection step, after welding is finished, a certain top surface or a certain alloy tooth of the cone to be tested is selected as a measuring object, the rotating radius of each cone around the central axis is read through the movement of the measuring clamp on the measuring scale of the level ruler, the height difference between the cones is measured through the up-and-down movement of the measuring sleeve on the central rotating shaft, and the inspection of the cone after butt welding is finished.
The utility model has the advantages that:
1. the structure is simple, the operation is convenient, and the large-scale application is facilitated;
2. the installation position of the drilling tool on the drill barrel is quickly positioned, so that the drilling tool is convenient to install and replace quickly;
3. the measurement precision is high, and the consistency of the replaced cone on the drill cylinder is ensured through accurate visual measurement;
4. the function is diversified, and the installation position of the individual damaged roller cone can be calibrated and the roller cone can be subjected to completion inspection after a drilling tool is installed.
Drawings
FIG. 1 is a schematic structural diagram of a rotary drilling rig according to the present application;
FIG. 2 is a schematic diagram of the structure of the precision measurement positioning device of the drilling tool of the present application;
FIG. 3 is a directional view of this FIG. 2;
fig. 4 is a schematic structural diagram of a laser transmitter fixing plate according to the present application;
FIG. 5 is a schematic structural view of a square centering pedestal of the present application;
FIG. 6 is a cross-sectional view of a square centering pedestal of the present application;
FIG. 7 is a schematic structural view of a directionally conductive rod of the present application;
FIG. 8 is a schematic structural view of the centering adjustment assembly of the present application;
fig. 9 is a schematic structural view of a centering laser receiver of the present application;
FIG. 10 is a schematic structural view of the support assembly of the present application;
FIG. 11 is a schematic structural view of the support assembly of the present application;
FIG. 12 is a schematic structural view of the support screw of the present application;
FIG. 13 is a schematic structural view of a support boot of the present application;
FIG. 14 is a schematic structural view of a measurement detection assembly of the present application;
FIG. 15 is a schematic view of the construction of the special fixture of the present application;
fig. 16 is a schematic structural view of the special fixture of the present application.
In the figure: 1-laser generator, 2-laser emitter fixing plate, 3-square centering base component, 4-middle connecting sleeve, 5-centering conducting rod, 6-track centering adjusting component, 7-centering laser receiver, 8-supporting component, 9-measuring detecting component, 10-special fixture, 11-connecting plate, 12-locking screw, 2.1-positioning pin hole, 2.2-countersunk hole, 2.3-fixing hole, 2.4-threaded hole, 3.1-square top plate, 3.1.1-cylindrical countersunk hole, 3.1.2-through hole, 3.2.3-positioning pin hole, 6.2-threaded pipe, 7.3-receiving hole, 8.1-supporting screw rod, 8.1.1-square boss, 8.1.2-annular open slot, 8.2-supporting shoe, 8.2.3-threaded through hole, 9.1-central rotating shaft, 9.3-horizontal measuring scale, 10.1-sliding block, 11-5: and a square fixing hole.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following embodiments of the present invention are combined to make clear and complete description of the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the scope of protection of the present application.
The first embodiment is as follows:
as shown in the figures, the utility model provides a drilling tool accurate measurement positioning device, a novel centering conduction mechanism mainly comprises a laser generator 1, a laser emitter fixing plate 2, a square centering base component 3, an intermediate connection sleeve 4, a centering conduction rod 5, a track centering adjustment component 6, a centering laser receiver 7, a support component 8, a measuring detection component 9, a fixture special for roller bit installation 10, a connection plate 11, a locking screw 12 and a positioning pin 13, wherein the laser emitter is fixed on the laser emitter fixing plate 2, the laser emitter fixing plate 2 is fixed at the bottom of the square centering base component 3 through the locking screw 12 and the positioning pin 13, the intermediate connection sleeve 4 is arranged between the square centering base component 3 and the centering conduction rod 5, the track centering adjustment component 6 is fixed at one end of the centering conduction rod 5 far away from the square centering base component 3 through the connection plate 11, the centering laser receiver 7 is arranged at one end, far away from the square centering base component 3, of the centering conducting rod 5, the supporting component 8 is fixed in a threaded pipe 6.2 of the track centering adjusting component 6 through one end, provided with a square boss 8.1.1, of a supporting screw 8.1, the measuring component 9 is inserted into a first counter bore 7.1 of the centering laser receiver 7 through a central rotating shaft 9.1 and can freely rotate around a central axis, and the special fixture 10 is installed on a horizontal measuring scale 9.3 of the measuring component 9 through a sliding block 10.1;
further explanation is as follows: the laser transmitter 1 is arranged in a fixing hole 2.3 in a laser transmitter fixing plate 2, and is fastened by two screws/jackscrews arranged in the two threaded holes 2.4, the laser emitter fixing plate 2 finishes the fine positioning at the bottom of the square centering base component 3 by two positioning pins arranged in the positioning pin holes 2.1 and the positioning pin holes 3.2.3, the coincidence of the central axis of the laser emitter fixing plate 2 and the central axis of the square centering base component 3 is effectively ensured, and is fixed at the bottom of the square centering base component 3 through two bolts placed in the countersunk holes 2.2, because the fixing hole 2.3 is positioned on the central axis of the laser generator fixing plate 2, the central axis of the laser generator and the emitted laser coincide with the square centering base component 3, namely, the laser emitted by the laser emitter 1 can pass through the through hole 3.1.2 arranged on the square top plate 3.1;
further, the middle connecting sleeve 4 is arranged in a cylindrical counter bore 3.1.1 arranged on a square top plate 3.1 of the square centering base component 3 in a welding mode, the counter bore 5.1 of the centering conducting rod 5 is sleeved on the middle connecting sleeve 4, the end face of the middle connecting sleeve is welded with the square top plate 3.1 of the square centering base component 3, and laser emitted by the laser emitter 1 can enter the centering conducting rod 5 through the through hole 3.1.2;
further, the track centering adjustment assembly 6 is connected with one end, far away from the square centering base assembly 3, of the centering conduction rod 5 through 3 connecting plates 11 uniformly distributed relative to the central axis in a welding mode, the laser receiver 7 is installed at the same end of the centering conduction rod 5 where the track centering adjustment assembly 6 is located, and at the moment, under the condition that the centering conduction rod 5 is not deformed at all, laser emitted by the laser emitter 1 enters the centering conduction rod 5 through a through hole 3.1.2 in a square top plate 3.1 and is emitted from a receiving hole 7.3 in the laser receiver 7, namely, the central axis of the square centering base assembly 3 is overlapped with the central axis of the laser receiver 7;
further, the support assembly 8 is fixed in the threaded pipe 6.2 of the trajectory centering adjustment assembly 6 through one end of the support screw 8.1 with the square boss 8.1.1, the distance between the support shoe 8.2 and the trajectory centering adjustment assembly 6 can be adjusted by screwing in and screwing out the support screw 8.1 in the threaded pipe 6.2, in this case, 3 groups of support assemblies are uniformly distributed, and other numbers of uniformly distributed support assemblies, such as 4-5 groups, can be arranged according to needs in the actual use process.
Further, when the laser receiver 7 can pass through the receiving hole 7.3 on the laser receiver 7, the measuring component 9 is inserted into the first counter bore 7.1 of the centering laser receiver 7 through the central rotating shaft 9.1, and can freely rotate around the central axis, and the central line of the rotating shaft is coincided with the central axis of the square centering base component 3;
further, the special fixture 10 is mounted on a horizontal measuring scale 9.3 of the measuring assembly 9 through a sliding block 10.1, a group of scale marks with the minimum scale of 1mm are arranged on the vertical side surface of the horizontal measuring scale 9.3, the special fixture 10 is placed at different positions according to the scale marks, the measuring assembly 9 drives the special fixture 10 to rotate around a central shaft, a formed track is a group of center circles with the central axis of the square centering base assembly 3 as the center of a circle, and the radius value of the center circles can be read on the horizontal measuring scale 9.3.
The drilling tool mounting position calibrated by taking the positioning device as a reference is determined by taking the central axis of the power square shaft mounting hole as a reference and the laser emitted by the laser emitter as a reference, so that the positioning of the mounting position of the drilling tool on the drill pipe is rapid, the drilling tool is convenient to mount and replace quickly, the accurate visual measurement is adopted, the accurate positioning of the welding position of the drilling tool on the drill pipe can be realized, and the consistency of the replaced drilling tool on the drill pipe is ensured.
In addition, the structure is simple, the operation automation degree is high, and the large-scale popularization and use in the field of engineering construction are facilitated.
When the welding completion inspection is carried out, a certain top surface or a certain alloy tooth of the cone to be inspected is selected as a measuring object, the rotating radius of each cone around the central axis is read by measuring the movement of the special fixture on the level ruler measuring scale, the height difference between the cones is measured by up-and-down movement of the measuring sleeve on the central rotating shaft, and the inspection of the welded cones is completed.
Example two:
referring to fig. 1 to 16, the utility model provides a rotary drilling rig, it includes bores a section of thick bamboo, bores to be provided with drilling tool precision measurement positioner on the section of thick bamboo, drilling tool precision measurement positioner passes through 3 supporting component and bores a section of thick bamboo and connects.
The supporting component comprises a supporting screw rod, a supporting shoe and a locking device, and one end of the supporting component is connected with the drill barrel. The support assembly is fixed in the threaded pipe of the track centering adjustment assembly through one end of the support screw rod with the square boss, and the distance between the support shoe and the track centering adjustment assembly can be adjusted by screwing in and screwing out the support screw rod in the threaded pipe. The other end of the supporting screw rod is provided with an annular open slot, and the top end of the supporting screw rod is of a spherical arc top structure.
The supporting shoe is composed of a circular sleeve with an opening at one end and an arc-shaped plate, and the radian of the outer side wall of the arc-shaped plate is consistent with that of the inner wall of the drilling cylinder of the rotary drilling rig. The cylindrical side wall of the circular sleeve is provided with 3 threaded through holes which are uniformly distributed relative to the central axis, the locking bolt is arranged in the threaded through holes, and the supporting screw rod and the supporting shoe are locked by tightly jacking the annular open slot. The bottom of the cylindrical counter bore of the circular sleeve is provided with a spherical surface, one end of the supporting screw rod with a spherical arc top structure is arranged in the circular sleeve, and the supporting screw rod and the circular sleeve can rotate relatively.
Due to the self-gravity action of the track centering adjusting assembly and the existence of the initial supporting position of the supporting shoe of the supporting assembly and the deformation amount of the drill cylinder, when the laser does not accurately pass through the centering laser receiving through hole, the supporting screw rod rotates in the threaded pipe of the track centering adjusting component to drive the track centering adjusting component to move along the rotating supporting screw rod, so as to further drive the centering conducting rod and the centering laser receiver to move, through the rotary adjustment to 3 groups of supporting screw rods, find laser can pass through the position of radium-shine laser receiving through-hole, pass through the tight annular open slot in screw thread through-hole top with the locking bolt this moment, will support screw rod and supporting shoe locking, accomplish this moment measuring component axis of rotation with the coincidence of square positioning base subassembly central axis.
The operation method of the rotary drilling rig is as follows: which comprises the following steps:
firstly, completing the overlapping arrangement of the central axis of a square base and the central axis of a square power shaft mounting hole of a drill cylinder in a first step; the square centering base component 3 of the centering conduction mechanism is placed in the square mounting hole, the supporting shoe of the supporting component 8 is supported on the inner side wall of the drill cylinder, the peripheral side wall 3.2 of the square base 3 forms a square tubular structure, the external dimension of the tubular structure is consistent with the dimension of the square fixing hole 11-5 for mounting the power square shaft, and the central axis of the square base 3 is coincided with the central axis of the square power mounting hole;
the completion measurement assembly 9 rotation central axis and the setting of the coincidence of the central axis of the square positioning base assembly 3 are as follows: the laser transmitter 1 arranged on the laser transmitter fixing plate 2 is opened, laser enters the centering conduction rod 5 through the through hole 3.1.2, the laser can not accurately pass through the laser receiving hole 7.3 due to the action of the gravity of the track centering adjustment component 6, the initial supporting position of the supporting shoe 8.2 of the supporting component 8 and the deformation amount of the drill cylinder, the supporting screw 8.1 is rotated in the threaded pipe 6.2 of the track centering adjustment component 6 through the square boss 8.1.1 to drive the track centering adjustment component 6 to move along the rotating supporting screw 8.1, the centering conduction rod 5 and the laser receiver 7 are further driven to move, the position state that the laser can pass through the laser receiving hole 7.3 is found through the rotation of 3 groups of supporting screws 8.1, at the moment, the locking bolt/screw 8.3 is tightly pressed against the annular opening groove 8.2.3 through the annular opening groove 8.1.2, locking the support screw 8.1 and the support shoe 8.2 to complete the rotation of the central axis of the measuring component 9 and the central axis of the square positioning base component 3;
the cutting position and the cone mounting position are accurately positioned: after the setting of the rotation central axis of the measuring assembly 9 and the central axis of the square positioning base assembly 3 are overlapped, the measuring assembly 9 rotates by the central axis of the power square shaft mounting hole, the cone mounting position calibrated by taking the central axis of the power square shaft mounting hole as a reference is measured by the special fixture 10 to the height of the cone bit which is not damaged and the distance relative to the central axis, and the measurement is finished. The special fixture 10 is locked and fixed, the movement of the measuring sleeve in the axial direction is locked by tightening the fastening screw 9.5, namely the installation distance of the roller cone relative to the central axis and the installation height of the roller cone are determined, and the installation position of the roller cone to be maintained is calibrated by taking the installation distance as a reference.
Example 3:
the difference between this embodiment and embodiment 2 is that this embodiment further comprises a welding inspection component and an inspection step, and further comprises a measurement assembly, where the measurement assembly comprises a central rotating shaft, a measurement sleeve, a horizontal measurement ruler, an oblique bracket, and a fastening device, where the measurement sleeve is installed on the central rotating shaft and can lock the relative positions of the two by pushing the central rotating shaft with the fastening device installed on the measurement sleeve, the central rotating shaft is of a round rod structure, a runway-shaped sinking groove is formed on the numerical side wall, the measurement sleeve is of a round tubular structure, at least two through fastening devices are arranged on the side wall along the central axis direction, the horizontal measurement ruler is fixed at one end of the measurement sleeve, the oblique bracket is fixed between the measurement sleeve and the horizontal measurement ruler to form a stable triangular bracket structure, and the side surface of the horizontal measurement ruler is provided with a set of scale lines with a minimum scale of 1mm, after welding, a certain top surface or a certain alloy tooth of the cone to be tested is selected as a measuring object, the rotating radius of each cone around the central axis is read through the movement of the measuring clamp 10 on the level ruler measuring scale 9.3, the height difference between the cones is measured through the up-down fixing of the measuring sleeve 9.2 on the central rotating shaft 9.1, and the inspection of the cone after butt welding is completed.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An accurate measurement positioning device for a drilling tool, comprising: laser generator, the laser emitter fixed plate, square centering base subassembly, centering conduction pole, orbit centering adjusting part, centering laser receiver, measure the determine module, special fixture, wherein laser generator fixes on the laser emitter fixed plate, the bottom at square centering base subassembly is fixed to the laser emitter fixed plate, square centering base subassembly links together with centering conduction pole, orbit centering adjusting part and centering laser receiver fix the one end of keeping away from square centering base subassembly, it installs on centering laser receiver through central pivot to measure the determine module installation, special fixture swing joint is on measuring the determine module.
2. The device for accurately measuring and positioning the drilling tool as claimed in claim 1, wherein a fixing through hole for mounting the laser transmitter is formed on the central axis of the fixing plate of the laser transmitter, and two mounting holes penetrating the fixing through hole are formed on the side wall for mounting a locking device for locking the laser transmitter.
3. The drilling tool precision measurement positioning device according to claim 1, wherein the square positioning base assembly comprises a square top plate and a peripheral side wall, wherein the square top plate is provided with a cylindrical counter bore at the central axis of the top plane, the bottom of the cylindrical counter bore is provided with a through hole for laser to pass through, the side wall is a rectangular thin plate, and the peripheral side wall is fixed on the square top plate.
4. The drilling tool accurate measurement positioning device according to claim 3, wherein the square positioning base assembly is provided with a wear amount adjusting device, the wear amount adjusting device comprises a flat key, a flat key groove, an adjusting bolt and a corresponding threaded through hole, the flat key groove is arranged on the peripheral side wall, the extension amount of the flat key relative to the peripheral side wall is adjusted by setting the screwing-in amount of the adjusting bolt, and the flat key and the outer plane of the peripheral side wall are in the same plane or slightly lower in a normal state.
5. The drilling tool precise measurement positioning device according to claim 1, wherein the centering conducting rod is provided with a round tubular structure, one end of the centering conducting rod is fixed on the square top plate of the square centering base, the other end of the centering conducting rod is connected with the track centering adjusting component and the centering laser receiver, and the axis of the centering conducting rod is coincident with the central axis of the square centering base member.
6. The drilling tool precision measurement positioning device according to claim 1, wherein the centering laser receiver is a T-shaped tubular structure, a first counter bore, a second counter bore and a laser receiving through hole are sequentially arranged inside the centering laser receiver from one end face to the inside along the central axis direction, the diameter of the first counter bore is larger than that of the second counter bore, the diameter of the second counter bore is larger than that of the laser receiving through hole, and the diameter of the laser receiving through hole is consistent with that of the through hole on the square top plate.
7. The drilling tool precision measurement positioning device of claim 1, wherein the measurement detection assembly comprises a central rotating shaft, a measurement sleeve, a horizontal measurement ruler, an oblique bracket and a fastening device, wherein the measuring sleeve is arranged on the central rotating shaft and can tightly push the central rotating shaft through a fastening device arranged on the measuring sleeve to lock the relative positions of the measuring sleeve and the central rotating shaft, the central rotating shaft is of a round rod structure, set up runway shape heavy groove on vertical lateral wall, the measuring sleeve be circular tubular structure, set up two at least fastener that link up along the central axis direction on vertical lateral wall, the leveling ruler is fixed in measuring telescopic one end, the slant support is fixed between measuring sleeve and leveling ruler, form stable triangle-shaped supporting structure, the leveling ruler side on have a set of minimum scale and be 1 mm's scale mark.
8. The drilling tool precise measurement positioning device according to claim 1, characterized in that the device further comprises a special fixture, the special fixture comprises a sliding block, a T-shaped connecting neck and a special jaw, the sliding block is of a tubular structure, the T-shaped connecting neck is arranged between the jaw and the sliding block, one end, close to the jaw, of the T-shaped connecting neck is provided with a dial indicator fixing hole, the side face of the T-shaped connecting neck is provided with a jackscrew hole communicated with the fixing hole, the dial indicator is fixed through a jackscrew, the front side wall of the jaw is provided with a through hole for fixing a marking tool, the right side wall of the jaw is provided with a jackscrew hole communicated with the front side wall of the jaw, and the special fixture is mounted on.
9. A rotary drilling rig, which comprises a drill barrel and is characterized in that the drill barrel is provided with the drilling tool accurate measurement positioning device of claims 1-8, and the drilling tool accurate measurement positioning device is connected with the drill barrel through a supporting component.
10. The rotary drilling rig according to claim 9, wherein: the supporting assembly comprises a supporting screw rod, a supporting shoe and a locking device, one end of the supporting screw rod is connected with the track centering adjusting assembly through the supporting shoe, the other end of the supporting screw rod is connected with the drilling barrel, and the locking device is arranged on the supporting shoe; the supporting shoe consists of a circular sleeve with an opening at one end and an arc-shaped plate, and the radian of the outer side wall of the arc-shaped plate is consistent with that of the inner wall of the drilling cylinder of the rotary drilling rig; the overall dimension of the peripheral side wall of the square positioning base assembly is consistent with the dimension of a square fixing hole for installing a power square shaft on a drilling cylinder of the rotary drilling rig.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920553769.4U CN209928020U (en) | 2019-04-23 | 2019-04-23 | Drilling tool accurate measurement positioning device and rotary drilling rig |
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| CN201920553769.4U CN209928020U (en) | 2019-04-23 | 2019-04-23 | Drilling tool accurate measurement positioning device and rotary drilling rig |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917403A (en) * | 2019-04-23 | 2019-06-21 | 张学强 | Drilling tool precise measurement positioning device and rotary drilling rig and operating method |
| CN113932717A (en) * | 2021-11-24 | 2022-01-14 | 武汉联影智融医疗科技有限公司 | Robot precision verification system and method |
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2019
- 2019-04-23 CN CN201920553769.4U patent/CN209928020U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917403A (en) * | 2019-04-23 | 2019-06-21 | 张学强 | Drilling tool precise measurement positioning device and rotary drilling rig and operating method |
| CN113932717A (en) * | 2021-11-24 | 2022-01-14 | 武汉联影智融医疗科技有限公司 | Robot precision verification system and method |
| CN113932717B (en) * | 2021-11-24 | 2023-09-26 | 武汉联影智融医疗科技有限公司 | Robot precision verification system and method |
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