CN203274675U - Platform capable of at least detecting three dimensional array induction logger axial direction wire coil cylindricity - Google Patents

Abstract

The utility model discloses a platform capable of at least detecting three dimensional array induction logger axial direction wire coil cylindricity. The platform comprises a horizontal fixed platen, multiple support members and one or more mirror ring units, wherein the multiple support members are detachably arranged on the fixed platen, and therefore a probe short section of a three dimensional array induction logger can be horizontally supported above the fixed platen, each mirror ring unit is mounted at the same transverse side of the multiple support members on the fixed platen, one or more vertical induction rings are arranged on the mirror ring main body of each mirror ring unit, and each mirror ring main body is installed in such a way that the each mirror ring main body can independently move in the axial direction relative to the fixed platen. The platform of the utility model is characterized by simple structure, ease of operation, convenience of maintenance, and high generality.

Description

At least detect the platform of the axial coil cylindricity of cubical array induction instrument

Technical field

The utility model relates to array induction logging tool structure precision detection technique, relates more specifically to cubical array induction instrument structure precision detection platform.

Background technology

Array induction logging is a kind of important geophysical probing technique, and its mutual inductance principle based on alternating current is surveyed.Particularly, array induction logging is to utilize the alternating current in transmitting coil to induce electromotive force in receiving coil, because transmitting coil and receiving coil all are in well to be detected, therefore the alternating current of transmitting coil is inevitable induces eddy current in the stratum around pit shaft, and this eddy current exerts an influence to the induction electromotive force of receiving coil, therefore this induction electromotive force is relevant with the intensity of eddy current, namely relevant with the conductivity on stratum.

Fig. 1 schematically shows the cubical array induction instrument 100 of a prior art.The cubical array induction instrument is to grow up on the basis of generic array induction instrument, has certain radially detectivity.

Cubical array induction instrument 100 generally comprises electronic cartridge 110, preposition amplification pipe nipple 120 and probe pipe nipple 130 3 parts, and the structure precision of the pipe nipple 130 of wherein popping one's head in has decisive role to the measuring accuracy of cubical array induction instrument.

Fig. 2 schematically shows probe pipe nipple 130 and has removed the inner structure after the shell.As shown in the drawing, probe pipe nipple 130 generally comprises the three dimensional coils array 131 that a plurality of length do not wait.The insulating short section 133 that is not waited by length between these coil arrays separates.

Fig. 3 schematically shows a coil unit 140, and each coil array 131 can comprise one or more such coil units.Each coil unit 140 is made of the matrix 145 with axial center through hole and the many groups wire coil that is wrapped on outer surface of matrix.Matrix 145 is insulation band of columns of being made by nonmetal electrically insulating material.Be wrapped on matrix 145, how the group wire coils comprise axial coil 141 and radial coil 142 and 142', their coiling length may be different.Coil unit in each coil array 131 can be on demand respectively as transmitting coil or receiving coil.

Probe pipe nipple 130 has a metal axle 132 that runs through wherein, and its diameter is generally 30 millimeters to 50 millimeters, and slenderness ratio is usually greater than 60.The coil unit 140 of probe pipe nipple 130 all coils arrays 131 and the insulating short section 133 of each coil array of interval are arranged on metal axle 132 vertically adjacently.Fig. 4 shows coil unit 140 and is assemblied in a schematic cross sectional views on metal axle 132, and Fig. 5 schematically shows the position relationship between latter two coil unit of assembling.

In order to make matrix 145 obtain higher cut precision and higher thermal stability, prior art has been introduced this matrix of engineering structure ceramic making.The stupalith that can be used to form matrix 145 is generally aluminium oxide ceramics and silicon nitride ceramics, the roughly band of column shape matrix that utilizes the high temperature sintering moulding process these stupaliths can be made to have center through hole.It is little and without the characteristic of magnetic insulation that these stupaliths have a thermal expansivity, is conducive to guarantee the structure precision of each coil on each matrix 145 and whole coil array.

In the various structure precisions of probe pipe nipple 130, generally having that large or people expect to detect usually on the impact of the measuring accuracy of cubical array induction instrument 100 is following several:

(1) probe pipe nipple integrated straight dimension;

(2) in probe pipe nipple coil array radially the flatness on coil winding plane (referring to Fig. 5, the radial coil that is each coil unit 140 is wound around plane 143, the flatness of 143'), it also can be called the radial coil flatness of cubical array induction instrument for short;

(3) in probe pipe nipple coil array radially the linearity of the longitudinal center line on coil winding plane (referring to Fig. 5, the radial coil that is each coil unit 140 is wound around plane 143, the longitudinal center line 144 of 143', the linearity of 144'), it also can be called the radial coil central straight dimension of cubical array induction instrument for short;

(4) in probe pipe nipple coil array axially coil with respect to the concentricity of probe pipe nipple axle (referring to Fig. 5, be that the axial coil 141 of each coil unit is with respect to the concentricity of metal axle 132), it also can be called the axial coil concentricity of cubical array induction instrument for short;

(5) in probe pipe nipple coil array axially the cylindricity of coil winding (referring to Fig. 5, be the cylindricity that the axial coil 141 of each coil unit is wound around on matrix 145 axial external surface), it also can be called the axial coil cylindricity of cubical array induction instrument for short.

How to detect quickly and easily one or more precision and the performances to guarantee well logger in the said structure precision, be the difficulties in this area always.At present, state of the art or adopt complicated measurement or calibrating instrument (for example optical gauge) to carry out above-mentioned detection by loaded down with trivial details operation steps, not only cost is higher, and detection efficiency is low; Utilize independently that the hand dipping apparatus carries out various measurements with wasting time and energy, then carry out complicated calculating, not only detection efficiency is low, and accuracy of detection is also unsatisfactory.

Especially, measure simultaneously the concentricity of all axial coils on cubical array inductolog instrument probe pipe nipple axle, a great problem of this area, there is no at present suitable device and can carry out comparatively easily this detection especially.

The utility model content

A purpose of the present utility model is will provide a kind of can detect at least the particularly structure precision detection platform of cubical array inductolog instrument probe pipe nipple integrated straight dimension of induction instrument.

Another purpose of the present utility model is that a kind of structure precision detection platform that can detect at least cubical array induction instrument radial coil flatness will be provided.

Another purpose of the present utility model is that a kind of structure precision detection platform that can detect at least cubical array induction instrument radial coil central straight dimension will be provided.

Another purpose of the present utility model is the structure precision detection platform that the axial coil concentricity of a kind of induction instrument of cubical array at least will be provided.

Another purpose of the present utility model is that a kind of structure precision detection platform that can detect at least the axial coil cylindricity of cubical array induction instrument will be provided.

A further purpose of the present utility model is to make detection platform of the present utility model can detect the above-mentioned various structures precision of cubical array induction instrument, and guarantee to detect the various structures precision on identical platform, testing process can be not interfering with each other, reduces accuracy of detection.

Of the present utility model one further purpose be to make not only simple in structure, processing ease, easy to maintenance of the platform that can detect the various structures precision of the present utility model, and have higher versatility.

According to first aspect of the present utility model, a kind of platform of the inductolog of detection arrays at least instrument probe pipe nipple integrated straight dimension is provided, comprising: the stationary platen of level is formed with a straight visual axial mark line on the end face of described stationary platen; And a plurality of V-type back-up blocks that support the probe pipe nipple of described induction instrument, each described V-type back-up block has the V-shaped groove of a upward opening, and each described V-type back-up block is formed with the visual vertical mark line that a bottom land center line from described V-shaped groove vertically extends to the bottom surface of this V-type back-up block downwards on its at least one axial sides; Described a plurality of V-type back-up block removably is arranged on described stationary platen along the line of the visual axial mark on described stationary platen compartment of terrain, and the visual vertical mark line on each described V-type back-up block is rule with the visual axial mark on described stationary platen and alignd in a lateral direction.

Preferably, each described V-type back-up block all is formed with a described visual vertical mark line on two axial sides.

Preferably, each described V-type back-up block is plugged on the corresponding reference column that is fixed on described stationary platen by two pilot holes on its bottom surface.

Preferably, be provided with between the part in described a plurality of V-type back-up blocks or all V-type back-up blocks and described stationary platen and highly regulate pad.

Preferably, described a plurality of V-type back-up block is made by " the disposable feed of material all in one piece-be divided into piece " technique.

Preferably, on described a plurality of V-type back-up block, the visual vertical mark line on the homonymy axial sides adopts " one-pass " technique to make.

Preferably, described platform also comprises the independent adjustable leg assembly of a plurality of length, and it is arranged on the below of described stationary platen.

Preferably, described induction instrument is the cubical array induction instrument.

Preferably, described platform also comprises: sub-platen, but its be arranged on described stationary platen by transverse shifting ground, and wherein be formed with a plurality of openings that the described V-type back-up block of confession at least a portion extends up through; One or more horizontal induction loop, it is disposed on described sub-platen, and is looped around around described sub-the above opening of platen; And one or more mirror ring elements, it is arranged on the same cross side outside the above sub-platen of described stationary platen shared zone, and each described mirror ring element further comprises: mirror ring slide rail, but be arranged on described stationary platen its transverse shifting, the mirror ring support, it can be arranged on described mirror ring slide rail with moving axially, and mirror ring main body, it is fixed on described mirror ring support, and is furnished with one or more vertical induction loop on it.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission all adopts nonmetal electrically insulating material to make.

According to second aspect of the present utility model, a kind of platform that detects at least cubical array induction instrument radial coil flatness also is provided, comprising: the stationary platen of level; A plurality of supporting members, it removably is arranged on described stationary platen, with the probe pipe nipple of described cubical array induction instrument flatly, can be supported on rotationally described stationary platen top around self axis; And one or more horizontal induction loop, it is disposed on described stationary platen or described stationary platen top, be looped around the described supporting member of at least a portion around.

Preferably, described horizontal induction loop is embedded on described stationary platen; And

The longitudinal center line of described horizontal induction loop aligns in a lateral direction with the longitudinal center line of the support profile of described supporting member.

Preferably, described platform also comprises a sub-platen that is arranged on described stationary platen, wherein be formed with for those by described horizontal induction loop around a plurality of openings of extending up through of supporting member; Described horizontal induction loop be embedded in described sub-the above opening of platen around; And the longitudinal center line of described horizontal induction loop aligns in a lateral direction with the longitudinal center line of described opening.

Preferably, described sub-platen is fixedly mounted on described stationary platen, and the longitudinal center line of described horizontal induction loop aligns in a lateral direction with the longitudinal center line of the support profile of described supporting member.

Preferably, but described sub-platen by transverse shifting be arranged on described stationary platen.

Preferably, described a plurality of supporting members are a plurality of V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And described a plurality of V-type back-up block in axial direction is plugged on described stationary platen the compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

Preferably, described one or more horizontal induction loop further are set to a plurality of horizontal induction loop, and these horizontal induction loop are arranged in same level by identical orientation concentrically.

Preferably, each described horizontal induction loop is the square circle, and the uniformity and being equal to each other on whole ring week of the radial spacing between the adjacent level induction loop.

Preferably, the part in described a plurality of horizontal induction loop or all horizontal induction loop disconnect on Zhou Fangxiang at ring, and each comfortable contiguous open position place is provided with closed socket; And in the horizontal induction loop of all disconnections, the closed socket of one or more horizontal induction loop is closed with inserting mode by the resistance web joint with closed plug.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission all adopts nonmetal electrically insulating material to make.

Preferably, the probe pipe nipple of described cubical array induction instrument has metal axle and the three dimensional coils array that is fixed on described metal axle, and each described three dimensional coils array is made of one or more coil units of making as matrix winding wire coil take the insulation band of column.

According to the third aspect of the present utility model, a kind of platform that detects at least cubical array induction instrument radial coil central straight dimension also is provided, comprising: the stationary platen of level; A plurality of supporting members, it removably is arranged on described stationary platen, with the probe pipe nipple of described cubical array induction instrument flatly, can be supported on rotationally described stationary platen top around self axis; Sub-platen, but its be arranged on described stationary platen by transverse shifting ground, and wherein be formed with a plurality of openings that the described supporting member of confession at least a portion extends up through; And one or more horizontal induction loop, it is disposed on described sub-platen, and is looped around around described sub-the above opening of platen.

Preferably, the transverse width of described opening is more than or equal to the transverse width sum of maximum transversal stroke and the corresponding described supporting member of described sub-platen; And described horizontal induction loop be embedded in described sub-the above opening of platen around, and the longitudinal center line of described horizontal induction loop aligns in a lateral direction with the longitudinal center line of described opening.

Preferably, be fixed with a sub-platen retainer on the bottom surface of described sub-platen, it passes the below that opening in described stationary platen extends to described stationary platen; And described platform further comprises sub-platen transverse shifting drive unit, and it is arranged under described stationary platen and with described sub-platen retainer and is connected, and drives described sub-platen and carries out transverse shifting.

Preferably, has a horizontal thread through hole in the part of described sub-platen retainer below it is in described stationary platen; Described sub-platen transverse shifting drive unit comprises sub-platen retainer and sub-platen drive screw, wherein said sub-platen retainer is fixed on the bottom surface of described stationary platen, and described sub-platen drive screw extends and is rotatably installed in described sub-platen retainer along horizontal direction; And the internal thread in the tapped through hole of the external thread on described sub-platen drive screw and described sub-platen retainer matches, and drives described sub-platen and carries out transverse shifting.

Preferably, described platform further comprises two guide plates, and it is arranged in the position of two axial sides of contiguous described sub-platen on described stationary platen, and the axial inboard of each described guide plate coordinates with the adjacent axial sides of described sub-platen.

Preferably, described a plurality of supporting members are a plurality of V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And described a plurality of V-type back-up block in axial direction is plugged on described stationary platen the compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

Preferably, all be formed with the visual vertical mark line that a bottom land center line from its V-shaped groove vertically extends to its bottom surface downwards on two of each described V-type back-up block relative axial sides; And being formed with a straight visual axial mark line on the end face of described sub-platen, the longitudinal center line of described horizontal induction loop aligns in a lateral direction with the visual axial mark line on described sub-platen.

Preferably, described one or more horizontal induction loop further are set to a plurality of horizontal induction loop, and described a plurality of horizontal induction loop are by concentrically, be arranged in same level by identical orientation.

Preferably, each described horizontal induction loop is the square circle, and the uniformity and being equal to each other on whole ring week of the radial spacing between the adjacent level induction loop.

Preferably, the part in described a plurality of horizontal induction loop or all horizontal induction loop disconnect on Zhou Fangxiang at ring, and each comfortable contiguous open position place is provided with closed socket; And in the horizontal induction loop of all disconnections, the closed socket of one or more horizontal induction loop is closed with inserting mode by the resistance web joint with closed plug.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission all adopts nonmetal electrically insulating material to make.

Preferably, the probe pipe nipple of described cubical array induction instrument has metal axle and the three dimensional coils array that is fixed on described metal axle, and each described three dimensional coils array is made of one or more coil units of making as matrix winding wire coil take the insulation band of column.

According to fourth aspect of the present utility model, a kind of platform that detects at least the axial coil concentricity of cubical array induction instrument also is provided, comprising: the stationary platen of level; A plurality of supporting members, it removably is arranged on described stationary platen, flatly is supported on described stationary platen top with the probe pipe nipple with described cubical array induction instrument; And one or more mirror ring elements, but be arranged on the same cross side of described the above a plurality of supporting member of stationary platen each described mirror ring element quilt transverse shifting, and be furnished with one or more vertical induction loop on the mirror ring main body of each described mirror ring element.

Preferably, each described mirror ring element also comprises: mirror ring slide rail, but its by transverse shifting be arranged on described stationary platen; And the mirror ring support of fixing corresponding described mirror ring main body, it is arranged on described mirror ring slide rail.

Preferably, be extruded with an orienting lug downwards on the bottom surface of the mirror ring slide rail of each described mirror ring element; And have the gathering sill of the horizontal expansion that matches with the orienting lug of each described mirror ring element in described stationary platen, lead with the transverse shifting to described mirror ring slide rail.

Preferably, the mirror ring support of each described mirror ring element can be arranged on its mirror ring slide rail with moving axially.

Preferably, be provided with mirror ring transverse shifting latch mechanism between the mirror ring slide rail of each described mirror ring element and described stationary platen; And be provided with the mirror annulate shaft to mobile latch mechanism between the mirror ring support of each described mirror ring element and corresponding mirror ring slide rail.

Preferably, the one or more vertical induction loop of arranging on each described mirror ring main body further is set to a plurality of vertical induction loop, and described a plurality of vertical induction loop are arranged in same vertical plane concentrically.

Preferably, each described vertical induction loop is circle, the uniformity and being equal to each other on whole ring Zhou Changdu of the radial spacing between the adjacent vertical induction loop on itself and same described mirror ring main body.

Preferably, the part in described a plurality of vertical induction loop or all vertical induction loop disconnect on Zhou Fangxiang at ring, and each comfortable contiguous open position place is provided with closed socket; And in the vertical induction loop of all disconnections, the closed socket of one or more vertical induction loop is closed with inserting mode by the resistance web joint with closed plug.

Preferably, described a plurality of supporting members are a plurality of V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And described a plurality of V-type back-up block in axial direction is plugged on described stationary platen the compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission all adopts nonmetal electrically insulating material to make.

Preferably, the probe pipe nipple of described cubical array induction instrument has metal axle and the three dimensional coils array that is fixed on described metal axle, and each described three dimensional coils array is made of one or more coil units of making as matrix winding wire coil take the insulation band of column.

According to the 5th aspect of the present utility model, a kind of platform that detects at least the axial coil cylindricity of cubical array induction instrument also is provided, comprising: the stationary platen of level; A plurality of supporting members, it removably is arranged on described stationary platen, flatly is supported on described stationary platen top with the probe pipe nipple with described cubical array induction instrument; And one or more mirror ring elements, each described mirror ring element is installed in the same cross side of described the above a plurality of supporting member of stationary platen, be furnished with one or more vertical induction loop on the mirror ring main body of each described mirror ring element, and each described mirror ring main body is installed into independently, and relatively described stationary platen moves axially.

Preferably, each described mirror ring element also comprises: mirror ring slide rail, and it is arranged on described stationary platen; And the mirror ring support of fixing corresponding mirror ring main body, it can be arranged on described mirror ring slide rail with moving axially.

Preferably, but the mirror ring slide rail of each described mirror ring element by transverse shifting be arranged on described stationary platen.

Preferably, be extruded with an orienting lug downwards on the bottom surface of the mirror ring slide rail of each described mirror ring element; And have the gathering sill of the horizontal expansion that matches with the orienting lug of each described mirror ring element in described stationary platen.

Preferably, be provided with mirror ring transverse shifting latch mechanism between the mirror ring slide rail of each described mirror ring element and described stationary platen; And be provided with the mirror annulate shaft to mobile latch mechanism between the mirror ring support of each described mirror ring element and corresponding mirror ring slide rail.

Preferably, the one or more vertical induction loop of arranging on each described mirror ring main body further is set to a plurality of vertical induction loop, and described a plurality of vertical induction loop are arranged in same vertical plane concentrically.

Preferably, each described vertical induction loop is circle, the uniformity and being equal to each other on whole ring Zhou Changdu of the radial spacing between the adjacent vertical induction loop on itself and same described mirror ring main body.

Preferably, the part in described a plurality of vertical induction loop or all vertical induction loop disconnect on Zhou Fangxiang at ring, and each comfortable contiguous open position place is provided with closed socket; And in the vertical induction loop of all disconnections, the closed socket of one or more vertical induction loop is closed with inserting mode by the resistance web joint with closed plug.

Preferably, described a plurality of supporting members are a plurality of V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And described a plurality of V-type back-up block in axial direction is plugged on described stationary platen the compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

Preferably, all in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission all adopts nonmetal electrically insulating material to make.

Preferably, the probe pipe nipple of described cubical array induction instrument has metal axle and the three dimensional coils array that is fixed on described metal axle, and each described three dimensional coils array is made of one or more coil units of making as matrix winding wire coil take the insulation band of column.

The platform that the utility model provides is particularly probe pipe nipple integrated straight dimension, radial coil flatness, radial coil central straight dimension, axially coil concentricity, axial one or more in the structure precision such as coil cylindricity of cubical array induction instrument of detection arrays induction instrument easily, and guaranteed when identical platform detects above-mentioned various structures precision, testing process can be not interfering with each other, reduces accuracy of detection.In addition, platform of the present utility model is simple in structure, processing ease, easy to maintenance not only, and has higher versatility.

By reference to the accompanying drawings to the utility model detailed description of preferred embodiment, those skilled in the art will understand above-mentioned and other purposes, advantage and feature of the present utility model more according to hereinafter.

Description of drawings

Hereinafter will be described in detail embodiment more of the present utility model with reference to accompanying drawing and in exemplary and nonrestrictive mode, in accompanying drawing, identical Reference numeral has indicated same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not draw by actual ratio.In accompanying drawing:

Fig. 1 schematically shows a cubical array induction instrument of prior art;

Fig. 2 schematically shows the inner structure of probe pipe nipple after having removed shell of Fig. 1 cubical array induction instrument, and this is the concrete part that the utility model will detect;

Fig. 3 schematically shows a coil unit;

Fig. 4 schematically shows the cut-open view that is assemblied in the coil unit on axle;

Fig. 5 schematically shows two position relationships after the coil unit assembling;

Fig. 6 is the perspective schematic view according to the detection platform of a preferred embodiment of the utility model, and this detection platform is suitable for detecting the various structures precision of cubical array induction instrument;

Fig. 7 is the schematic side elevation of a leg assembly of detection platform shown in Figure 6;

The schematic, exploded perspective view that Fig. 8 is a V-type back-up block of detection platform shown in Figure 6 and corresponding reference column thereof, highly regulate pad;

Fig. 9 is the sub-platen of detection platform shown in Figure 6 and the schematic amplification decomposition diagram of driving mechanism thereof;

Figure 10 is the schematic enlarged perspective that of detection platform shown in Figure 6 is assembled in the mirror ring element on stationary platen.

The Reference numeral that uses in accompanying drawing is as follows:

100 cubical array induction instruments

110 electronic cartridges

120 preposition amplification pipe nipples

130 probe pipe nipples

131 coil arrays

132 metal axles

133 insulating short sections

140 coil units

141 axial coils

142 radial coils

143 radial coils are wound around the plane

144 radial coils are wound around the longitudinal center line on plane

The 142' radial coil

The 143' radial coil is wound around the plane

The 144' radial coil is wound around the longitudinal center line on plane

145 matrixes

200 detection platform

210 stationary platens

Gathering sill on 211 stationary platens

Visual axial mark line on 214 stationary platen end faces

220 leg assemblies

221 supporting leg main bodys

222 supporting leg retaining rings

223 supporting leg adjustment seats

230 V-type back-up blocks

231 V-type grooves

232 bottom surfaces

233 pilot holes

234 visual vertical mark line

236 reference columns

238 highly regulate pad

240 sub-platens

241 guide plates

The resistance web joint of 242 horizontal induction loop

Rectangular channel on 243 sub-platens

Visual axial mark line on 244 sub-platen end faces

Opening on 245 sub-platens

The ring embedding groove of 247 horizontal induction loop

248 horizontal induction loop

The closed socket of 249 horizontal induction loop

251 drive screws

252 stationary platen retainers

253 sub-platen retainers

260 mirror ring elements

261 mirror ring main bodys

262 mirror ring supports

The locking jackscrew of 263 mirror ring supports

264 mirror ring slide rails

The resistance web joint of 265 vertical induction loop

Ring embedding groove on 267 mirror ring main bodys

268 vertical induction loop

The closed socket of 269 vertical induction loop

Rectangular channel on 273 mirror ring main bodys

The orienting lug of 275 mirror ring slide rails

The locking knob of 276 mirror ring slide rails.

Embodiment

Fig. 6 schematically shows the detection platform 200 according to a preferred embodiment of the utility model, and it is suitable for detecting the various structures precision of cubical array induction instrument.Detection platform 200 detects the probe pipe nipple of cubical array induction instrument specifically.As described in " background technology " part, this probe pipe nipple preferably has metal axle and the three dimensional coils array that is fixed on the metal axle, and each three dimensional coils array is made of one or more coil units of making as matrix winding wire coil take the insulation band of column.The detectable structure precision of detection platform 200 of the present utility model comprises:

(1) probe pipe nipple integrated straight dimension;

(2) radial coil flatness;

(3) radial coil central straight dimension;

(4) axial coil concentricity;

(5) axial coil cylindricity.

Generally speaking, detection platform 200 of the present utility model can comprise the stationary platen 210 of level, it typically is the flat plate-shaped member of essentially rectangular.Be preferably formed with a straight visual axial mark line 214 on the end face of stationary platen 210, its length direction along stationary platen 210 (being the axial direction of tested probe pipe nipple) extends, the middle permission by disconnections such as slotted eye, openings.In addition, stationary platen 210 can arrange corresponding location notch hole, grafting slotted eye, mounting hole, pass opening etc. according to the member that will be attached to it or pass wherein.For this class minutia on stationary platen 210, this paper generally will not describe especially because they to be all those skilled in the art easily understand and can be according to the actual conditions relative set.

The effect of stationary platen 210 mainly is to provide a fixing level basis for other members in the utility model.As those skilled in the art will appreciate that, can adopt arbitrarily suitably that calibrating instrument (for example laser level) provides horizontal calibration line, in order to stationary platen 210 is regulated level exactly.Particularly, horizontal calibration line can be incident upon on an end face sideline of stationary platen 210 or near it, at first with the leveling of this edge line; Then, successively horizontal calibration line is incident upon on next end face sideline of stationary platen 210 or near it, completes the leveling in this sideline, until four of all of stationary platen 210 end faces sidelines is all by leveling; Afterwards, making stationary platen 210 remain on this horizontal level maintains static.This kind method can effectively guarantee stationary platen 210 integral planar levels, for the layout of other detection means provides reliable horizontal reference.

In order to facilitate the leveling of stationary platen 210, the utility model preferably provides a plurality of length independent adjustable leg assembly 220.These leg assemblies are arranged on stationary platen 210 times, supporting stationary platen 210 at suitable position, thereby jointly consist of the integrated support framework of the utility model detection platform.

As shown in Figure 7, leg assembly 220 can comprise supporting leg main body 221, supporting leg retaining ring 222 and supporting leg adjustment seat 223, wherein all adopts helicitic texture to be connected between supporting leg adjustment seat 223 and supporting leg main body 221, supporting leg retaining ring 222.Can regulate independently the length of this leg assembly by the shank adjustment seat 222 of rotating each leg assembly 220, namely regulate the height at respective support position on the stationary platen.Preferably, after adopting that calibrating instrument is auxiliary and completing the leveling work of stationary platen 210, can screw the supporting leg retaining ring 222 of all leg assemblies, to realize the position locking on stationary platen 210 short transverses, the stability of the testing environment of improving the standard.

The position of leg assembly 220 and quantity can be according to weight and the length of tested probe pipe nipple, and the factors such as bearing capacity of leg assembly 220 specifically arrange, but setting example is as 3,4,5,6,8 or more leg assembly.In certain embodiments, 4 leg assemblies can be set, for example four of stationary platen 210 bights are respectively established one.Perhaps, in further embodiments, 6 leg assemblies can be set, for example four of stationary platen 210 bights are respectively established one, and equally spaced set up again two leg assemblies near the long side of tested probe pipe nipple placement location at stationary platen 210, this situation is as shown in Figure 6.

One. the detection of probe pipe nipple integrated straight dimension

Be the detection arrays induction instrument probe pipe nipple integrated straight dimension of cubical array induction instrument particularly, detection platform 200 of the present utility model has adopted a plurality of V-type back-up blocks 230 to support tested probe pipe nipple as supporting member especially.

As shown in Figure 8, each V-type back-up block 230 has V-shaped groove 231 and planar bottom surface 232 of a upward opening.Each V-type back-up block 230 is formed with the visual vertical mark line 234 that a bottom land center line from V-shaped groove 231 (being the longitudinal center line that V-type back-up block 230 supports profile) vertically extends to bottom surface 232 downwards on its at least one axial sides.Preferably, all be formed with so visual vertical mark line 234 on two axial sides of each V-type back-up block 230.

Be the linearity environment that guarantees that tested probe pipe nipple is placed, all V-type back-up blocks 230 are preferably made by " material all in one piece one-pass-be divided into piece " technique, this technique itself is known in the machine work field, concrete operations are: process one with the integrated member of V-type groove with material all in one piece, and in the process of V-type groove, get rid of all excess stock surpluses last on the V-type channel profile in continuous continual feed process the last time; Then, the integrated member that obtains is divided into the independently V-type back-up block of different-thickness.Such processing technology can guarantee effectively that the V-shaped groove of V-type back-up blocks all in the utility model has consistent support profile (that is to say, the shape of cross section of each V-shaped groove, cross sectional dimensions and to extend axially trend all identical).

In addition, in order to guarantee the consistance of visual vertical mark scribing position on all V-type back-up blocks 230, the visual vertical mark that the utility model preferably adopts " one-pass " technique to mark and marks on all V-type back-up block homonymy axial sides is rule, this technique itself is also that the machine work field is known, concrete operations are: with all V-type back-up blocks tile vertically aligned after, complete the mark of visual vertical mark line on all V-type back-up block homonymy axial sides and draw in the one-pass process.

A plurality of V-type back-up blocks 230 are removably rule compartment of terrain installation (preferably pegging graft) on stationary platen along the visual axial mark on stationary platen 210.During installation, should guarantee that the visual vertical mark line 234 on each V-type back-up block 230 is alignd in a lateral direction with the visual axial mark line 214 on stationary platen 210 (that is to say their vertical projection coincidences on a surface level).The concrete quantity of V-type back-up block and position can be supported according to needs on tested probe pipe nipple quantity and the location positioning of support zone.Preferably, can a corresponding V-type back-up block 230 be set at each insulating short section place of tested probe pipe nipple supports.That is to say, the utility model is with the support zone used when detecting its structure precision of the insulating short section on tested probe pipe nipple.Therefore, in the utility model, when integrally being placed on the probe pipe nipple of having removed shell on a plurality of V-type back-up blocks 230, the coil array of probe pipe nipple is distributed between each support zone also unsettled, thereby has effectively avoided the situation of the stressed damage of coil array.

Further, can have normally blind hole of two pilot hole 233(that vertically extend on the bottom surface 232 of each V-type back-up block 230).Each V-type back-up block 230 can be plugged on the reference column 236 of stationary platen 210 easily by its pilot hole 233.All can recognize as those skilled in the art, the degree of depth of pilot hole 233 will be designed to stretch out greater than reference column 236 height of stationary platen 210 end faces usually.

Can be provided with around the height of corresponding reference column 236 between some (part or all) V-type back-up block 233 and stationary platen 210 and regulate pad 238.Regulate pad 238 by the height that adds different-thickness and/or varying number, not only can make each the V-type back-up block in the utility model all can effectively contact and support each support zone of various probe pipe nipple various outer diameters.And the utility model can realize highly regulating changing the outfit of pad to the connected structure that the V-type back-up block adopts easily, makes the utility model all have good versatility to the support zone external diameter various probe pipe nipples different with radial distribution.

A plurality of V-type back-up blocks 230 are installed on horizontal stationary platen 210 of the present utility model by the preamble requirement after, the probe pipe nipple of tested cubical array induction instrument can be placed on V-type back-up block 230.Observe or measure the applying situation of each V-type back-up block 230 and probe pipe nipple support zone, can determine qualitatively the integrated straight dimension of tested probe pipe nipple.For example, when the gap that exists between inclined-plane of the V-shaped groove of any V-type back-up block 230 and probe pipe nipple respective support position greater than a certain preset limit value (for example 1mm, 2mm, 3mm, 4mm or 5mm), can judge that the integrated straight dimension of this probe pipe nipple can not meet the demands.

Here need to prove, for the detection of probe pipe nipple other structure precisions, the utility model is preferably at previously described integrated support framework (comprising stationary platen 210 and leg assembly 220) and support and increase further on the basis of the members such as V-type back-up block of probe pipe nipple that other members realize.But, one skilled in the art would recognize that V-type back-up block 230 is only a kind of supporting member of preferred form.It is also possible adopting the supporting member (but supporting the jig of back-up block clamping substantial cylindrical member of concave surface or clamp etc. such as having circular arc) of other appropriate formats to replace the V-type back-up block, if these supporting members can with tested probe pipe nipple flatly, be supported on the top of stationary platen 210 the capable of regulating circumferential position.These supporting members preferably are arranged to make the longitudinal center line of tested probe pipe nipple to be in the vertical top of the preferred visual axial mark line 214 of stationary platen 210.In addition, preferably also can mark the visual vertical mark line 234 corresponding with the longitudinal center line of its support profile at the vertical side of these supporting members subscript by for example optical calibrating instrument.

Two. the detection of radial coil flatness

In order to detect the radial coil flatness of cubical array induction instrument, detection platform 200 of the present utility model is except comprising previously described horizontal stationary platen 210, a plurality of supporting member (for example the V-type back-up block 230), preferred leg assembly 220, also comprise and one or morely be arranged on stationary platen 210 or the horizontal induction loop 248 of top, it is for example certain conductive metal ring, the conductive metal ring of preferably being made by copper bar or copper pipe.

In the embodiment shown in fig. 6, horizontal induction loop 248 is embedded on sub-platen 240, but and sub-platen 240 by transverse shiftings be arranged on stationary platen 210.Sub-platen 240 is preferably the flat plate-shaped member of essentially rectangular, and wherein is formed with a plurality of openings 245, for those by horizontal induction loop 248 around supporting member extend up through opening 245, tested probe pipe nipple is supported.These openings preferably are formed and make their longitudinal center line be in alignment with each other in a lateral direction, and have identical transverse width.Preferably also be formed with on sub-platen 240 be looped around all opening 245 peripheries ring embedding groove 247(as shown in Figure 9), in order to horizontal induction loop 248 is embedded on sub-platen 240 reliably.The longitudinal center line of these ring embedding grooves 247 and horizontal induction loop 248 wherein preferably aligns in a lateral direction with the longitudinal center line of opening 245.This arrangement not only allows this detection platform can be used for detecting the radial coil flatness of cubical array induction instrument, and allows this detection platform can be used for detecting the radial coil central straight dimension of cubical array induction instrument.

But need to prove here, above-mentioned transversely movable sub-platen 240 is not necessary for the detection of radial coil flatness itself.That is to say, in some does not need to detect the alternate embodiment of radial coil central straight dimension, not only sub-platen 240 can be connected in stationary platen 210, even can directly horizontal induction loop 248 be embedded on stationary platen 210 and sub-platen 240 needn't be set.According to instruction of the present utility model, such alternate embodiment is all that those skilled in the art easily understand and realize, thereby this paper does not provide special diagram to them.However, those skilled in the art all will be appreciated that, these alternate embodiment are clearly open and disclose by this paper.

No matter horizontal induction loop 248 be disposed on stationary platen 210 or fixing or transversely movable sub-platen 240 on, detect the radial coil flatness and preferably will make the longitudinal center line of horizontal induction loop 248 align in a lateral direction with the longitudinal center line of the support profile of supporting member (for example by visual axial mark line 214 signs on the visual vertical mark line 234 on V-type back-up block 230 or stationary platen 210).

The horizontal induction loop 248 that arranges be looped around at least a portion supporting member around, with at least a portion of surrounding tested probe pipe nipple or all coil arrays.

Especially, in some preferred embodiment, the quantity of horizontal induction loop 248 can be a plurality of, for example two, three (as shown in Figure 6), four or more.These horizontal induction loop 248 preferably are arranged in same level by identical orientation concentrically.More preferably, these horizontal induction loop 248 are the square circle, and the uniformity and being equal to each other on whole ring week of the radial spacing between the adjacent level induction loop.

When being provided with a plurality of horizontal induction loop 248, a part wherein or all horizontal induction loop 248 can disconnect on ring Zhou Fangxiang, preferably disconnect at same circumferential position place (for example rectangular channel 243 places shown in Figure 9).That is to say, these horizontal induction loop 248 itself can be the rings of non-closure.The horizontal induction loop 248 that can be each disconnection its open position place or near a corresponding closed socket 249(is set in Fig. 6, inserted the resistance web joint 242 that hereinafter will describe on closed socket 249, but those skilled in the art all can understand, and the closed socket 249 on sub-platen 240 is under resistance web joint 242).Especially, can comprise two separated banana bins in each closed socket 249, they are electrically connected to respectively two open ends at respective horizontal induction loop 248 open position places.

When detecting operation, can utilize the one or more horizontal induction loop of selecting from the horizontal induction loop 248 of all disconnections with the inserting mode closure with the resistance web joint 242 of closed plug (not shown), the closed-loop path that makes its formation can produce induction electromotive force, thus different induction electromotive force testing environments provided for the detection of radial coil flatness (and hereinafter described radial coil central straight dimension).

When wanting closed horizontal induction loop 248 selecting, normally allow the transmitting coil in tested probe pipe nipple coil array send electromagnetic field, closed horizontal induction loop 248 so the induction electromotive force of generation can affect the receiving coil in coil array; Then, in the magnetic test coil array, whether the whole signal that receives of receiving coil, satisfy the demand to select according to the intensity size of this signal the closed horizontal induction loop of wanting.After being met the signal intensity that needs, just can carry out follow-up detecting step.

Preferably, the closed plug on each resistance web joint 242 can be made of two banana plugs, is connected by suitable resistance between these two banana plugs.Particularly, when using the horizontal induction loop 248 of resistance web joint 242 closed disconnections, closed plug on resistance web joint 242 is inserted in the corresponding closed socket of this horizontal induction loop, thereby make this horizontal induction loop switch to closure state from off-state; And extract resistance web joint 242, can make this horizontal induction loop 248 switch to off-state from closure state.Those skilled in the art also can recognize, in some alternate embodiment, also can set up a suitable on-off switch between the closed plug of this resistance web joint, like this, just can plug all the time the resistance web joint on the closed socket of the horizontal induction loop of each disconnection, switch the open circuit/closure state of horizontal induction loop by the operation on-off switch, and needn't plug the resistance web joint.

When detecting the radial coil flatness, at first to make the probe pipe nipple roughly be in a suitable circumferential position on supporting member, so that the winding plane 143 of one group of radial coil 142 to be detected is in the position of approximate horizontal.Then, under the help of electrical signal system, the circumferential position of accurate adjustment probe pipe nipple on supporting member, make the whole intensity that receives signal of receiving coil in tested coil array maximum (at this moment, the winding plane 143 of all tested radial coils be in horizontal induction loop 248 integral plane of living on the most parallel position).Then, keep probe pipe nipple circumferential position constant, detect the signal message that each tested radial coil receives, can determine that according to these signal messages each tested radial coil is wound around plane 143 with respect to the flatness difference on horizontal induction loop 248 planes of living in, and then can determine that all tested radial coils are wound around the integral planar degree situation on plane 143.

If also need detect and calibrate to the flatness of vertical another group radial coil 142' of coil 142 normals, the roughly 90-degree rotation of pipe nipple of can popping one's head on supporting member so, make another winding plane 143' that organizes radial coil be in the position of approximate horizontal, then utilize identical operation to measure.

Three. the detection of radial coil central straight dimension

Preamble is mentioned, and in some the preferred detection platform that detects the radial coil flatness, is provided with a transversely movable sub-platen 240, and such detection platform can be used to detect the radial coil central straight dimension of cubical array induction instrument.

Due in the testing process of radial coil central straight dimension, need sub-platen 240 carrying horizontal induction loop 248 on it with respect to stationary platen 210(that is be longitudinal center line with respect to tested probe pipe nipple) carry out transverse shifting, therefore, for the ease of determining the lateral attitude of sub-platen, allow by disconnections such as slotted eye, openings preferably be formed with a straight visual axial mark line 244(on the end face of sub-platen 240 in the middle of), this visual axial mark line 244 is alignd in a lateral direction with the longitudinal center line of horizontal induction loop 248.

In order to realize the transverse shifting of sub-platen 240, preferably can fix a sub-platen retainer 253 on the bottom surface of sub-platen 240.Sub-platen retainer 253 passes the below that respective openings (not shown) in stationary platen 210 extends to stationary platen 210.Stationary platen is equipped with a sub-platen transverse shifting drive unit for 210 times, and it is connected with sub-platen retainer 253, carries out transverse shifting with driven element platen 240.Particularly, described sub-platen transverse shifting drive unit can comprise that the sub-platen retainer 252 that is fixed on stationary platen 210 bottom surfaces and one are installed on sub-platen drive screw 251 in sub-platen retainer 252, horizontal expansion.The part of sub-platen retainer 253 below it is in stationary platen 210 is provided with a horizontal thread through hole.External thread on sub-platen drive screw 251 matches with internal thread in sub-platen retainer 253 tapped through holes, by can driven element platen 240 carrying out back and forth transverse shifting without blind spot ground in certain travel range along being rotated counterclockwise sub-platen drive screw 251.

In order to ensure linearity and the stationarity of sub-platen 240 transverse shiftings, also two guide plates 241 can be set on stationary platen 210.These two guide plates 241 are positioned to respectively two axial sides of contiguous sub-platen 240.The axial inboard of each guide plate 241 coordinates with adjacent sub-platen axial sides, and the transverse shifting of antithetical phrase platen 240 leads, and realizes that effectively the guiding in sub-platen 240 transverse shifting processes is proofreaied and correct.

In addition, in order to realize that sub-platen 240 carries out transverse shifting without blind spot ground in certain maximum transversal travel range, on sub-platen 240 transverse width of a plurality of openings 245 should greater than or equal at least the transverse width sum of maximum transversal stroke and the respective support member of sub-platen 240.

When detecting radial coil central straight dimension, at first by the operation of describing in " detection of radial coil flatness " joint, make the probe pipe nipple be in the circumferential position that makes the whole received signal strength maximum of receiving coil in tested coil array on supporting member.Then, keep probe pipe nipple circumferential position constant, adjust sub-platen 240 with respect to the lateral attitude of probe pipe nipple longitudinal center line, find the sub-platen lateral attitude point (at this moment, on sub-platen 240, the whole registration of the longitudinal center line of the longitudinal center line of horizontal induction loop 248 and tested coil array is best) that makes above-mentioned signal intensity maximum in this adjustment process.Then, keep probe pipe nipple circumferential and axial invariant position, detect the signal message of each coil unit, can determine that according to these signal messages each tested radial coil is wound around the linearity situation of plane centreline 144, and then can determine that all tested radial coils are wound around the integrated straight dimension situation of plane centreline 144.

If also need detect and calibrate to the central straight dimension of vertical another group radial coil 142' of coil 142 normals, the roughly 90-degree rotation of pipe nipple of can popping one's head on supporting member so, make another group radial coil be wound around the position that plane 143' is in approximate horizontal, then utilize identical operation to measure.

Both detected the radial coil flatness if wish with this detection platform of the present utility model, detect again radial coil central straight dimension, so, preference be as can first detect the flatness of one group of radial coil, and then then detects the central straight dimension of this group radial coil.

Four. the axially detection of coil concentricity

In order to detect the axial coil concentricity of cubical array induction instrument, detection platform 200 of the present utility model also comprises one or more mirror ring elements 260 except comprising previously described horizontal stationary platen 210, a plurality of supporting member (for example the V-type back-up block 230), preferred leg assembly 220.Be furnished with one or more vertical induction loop 268 on the mirror ring main body 261 of each mirror ring element 260, it is for example certain conductive metal ring, the conductive metal ring of preferably being made by copper bar or copper pipe.These vertical induction loop 268 preferably are embedded in ring embedding groove 267 on mirror ring main body 261.But be arranged on the same cross side of stationary platen 210 upper support members each mirror ring element 260 quilt transverse shifting.Generally by the quantity decision of the coil array that will detect, a common mirror ring element 260 is for detection of a coil array for the quantity of mirror ring element 260.Owing to having adopted especially independently mirror ring element, make this detection platform of the present utility model have good versatility, can be used for detection probe pipe nipple coil array number difference and/or various cubical array well loggers different in size.

The effect of the vertical induction loop 268 on mirror ring main body 261 is similar to previously described horizontal induction loop 248.That is to say, vertically induction loop 268 is subjected to the excitation of the electromagnetic field that in tested coil array, transmitting coil sends in testing process, can produce induction electromotive force; And this induction electromotive force can affect the signal that in tested coil array, receiving coil receives, and can determine according to the information of this signal concentricity and/or the cylindricity of axial coil in tested coil array thereby make.

Especially, in a preferred embodiment, the quantity of the vertical induction loop 268 on each mirror ring main body 261 can be a plurality of, for example two, three (as shown in Figure 6), four or more.Vertical induction loop 268 on each mirror ring main body 261 preferably is arranged in same vertical plane concentrically.More preferably, these vertical induction loop 268 are circle, and the uniformity and being equal to each other on whole ring Zhou Changdu of the radial spacing between adjacent vertical induction loop on same mirror ring main body 261.

When being provided with a plurality of vertical induction loop 268 on a mirror ring main body, a part in these vertical induction loop or all vertical induction loop 268 can disconnect on ring Zhou Fangxiang, preferably disconnect at same circumferential position place (for example rectangular channel 273 places shown in Figure 10).That is to say, these vertical induction loop itself can be the rings of non-closure.The vertical induction loop 268 that can be each disconnection its open position place or near a corresponding closed socket 269(is set in Figure 10, inserted the resistance web joint 265 that hereinafter will describe on closed socket 269, but those skilled in the art all can understand, and closed socket 265 is on the position corresponding with resistance web joint 265 on Figure 10 mirror ring main body 261).The 26S Proteasome Structure and Function that is used for the closed socket 269 of vertical induction loop and resistance web joint 265 is similar with the closed socket 249 and 242 for horizontal induction loop that preamble has been described, thereby it will not go into details to it at this.

But each mirror ring element 260 is arranged on the mirror ring slide rail 264 on stationary platen 210 with also can comprising the mirror ring support 262 of fixing corresponding mirror ring main body 261 and transverse shifting.

In the embodiment shown in fig. 6, mirror ring support 262 can be arranged on corresponding mirror ring slide rail 264 with moving axially.This arrangement not only allows this detection platform can be used for detecting the axial coil concentricity of cubical array induction instrument, and allows this detection platform can be used for detecting the axial coil cylindricity of cubical array induction instrument.

But need to prove here, it is not necessary for the detection of axial coil concentricity itself that mirror ring support 262 can be arranged on corresponding mirror ring slide rail 264 with moving axially.That is to say, in some does not need to detect the alternate embodiment of axial coil cylindricity, mirror ring support 262 can be connected on mirror ring slide rail 264 and (perhaps make mirror ring support 262 and mirror ring slide rail 264 become an integrated member).According to instruction of the present utility model, such alternate embodiment is that those skilled in the art easily understand and realize, thereby this paper does not provide special diagram to them.However, those skilled in the art all will be appreciated that, these alternate embodiment are clearly open and disclose by this paper.

In order to guarantee the linearity of mirror ring element 260 transverse shiftings, be extruded with an orienting lug 275 downwards on the bottom surface of the mirror ring slide rail 264 of each mirror ring element 260, and have in stationary platen 210 that orienting lug 275 with each mirror ring element 260 is that match, the gathering sill 211 of horizontal expansion, in order to the transverse shifting of mirror ring slide rail 264 is led.The length of gathering sill 211 should greater than or equal at least the transverse width sum of maximum transversal stroke and the orienting lug 275 of mirror ring slide rail 264.

Preferably, also be provided with mirror ring transverse shifting latch mechanism between the mirror ring slide rail 264 of each mirror ring element 260 and stationary platen 210, with after the adjustment of the lateral attitude of this mirror ring slide rail 264 is complete, with respect to the lateral attitude of stationary platen 210 these mirror ring slide rails 264 of locking.Such latch mechanism itself is known in this field and the technician easily realizes, it for example can be implemented to any suitable screw threads for fastening mechanism.Particularly, for example can a threaded hole be set in the bottom surface of mirror ring slide rail 264 orienting lugs 275, thereby so just can utilize the locking knob 276 with spiro rod section below stationary platen, its spiro rod section to be screwed in this threaded hole with respect to stationary platen 210 locking mirror ring slide rails 264.

When detecting the axial coil concentricity of cubical array induction instrument, adjust the lateral attitude of mirror ring element 260 on stationary platen 210, make the whole intensity maximum that receives signal of receiving coil in coil array, then mirror ring element 260 is locked at this lateral attitude; Then, process the signal message that in tested coil array, receiving coil receives, can determine axial coil concentricity in tested coil array according to this signal message.

Five. the axially detection of coil cylindricity

Preamble is mentioned, in some the preferred detection platform that detects axial coil concentricity, mirror ring support 262 can be arranged on corresponding mirror ring slide rail 264 with moving axially, and such detection platform can be used to detect the axial coil cylindricity of cubical array induction instrument.

Due in the testing process of axial coil cylindricity, need mirror ring main body 261 carrying vertical induction loop 268 on it with respect to stationary platen 210(that is be with respect to the axial coil in tested probe pipe nipple coil array) independently move axially, so each mirror ring main body 261 need to be installed into and can move axially with respect to stationary platen 210 independently at this.Particularly, be that the mirror ring support 262 that is arranged on mirror ring slide rail 264 is arranged to and can be moved vertically at mirror ring slide rail 264.

In such embodiments, the main body of mirror ring slide rail 264 is extensible certain length in axial direction, and preferably, this length can be determined according to the axial length of corresponding tested coil array.Two cross sides of mirror ring slide rail main body preferably are provided with certain profile, it coordinates with the corresponding profile of mirror ring support 262, in order to allow mirror ring support 262 and mirror ring main body 261 fixed thereon in axial direction steadily to move on the main body of mirror ring slide rail 264.

Preferably also be provided with the mirror annulate shaft to mobile latch mechanism between the mirror ring support 262 of each mirror ring element 260 and mirror ring slide rail 264, with after the axial location adjustment of corresponding mirror ring main body 261 is complete, with respect to mirror ring slide rail 264 locking mirror ring supports 262, thereby locking mirror ring main body 261 is with respect to the axial location (because mirror ring slide rail can not move axially with respect to stationary platen) of stationary platen.As previously mentioned, such latch mechanism itself is known in this field and the technician easily realizes, it for example can be implemented to any suitable screw threads for fastening mechanism.Particularly, as shown in figure 10, for example can be each mirror ring support 262 a screw-threaded coupling jackscrew 263 is provided, it is screwed in the threaded hole of mirror ring support 262, so that when tightening this locking jackscrew, mirror ring support 262 is locked on corresponding mirror ring slide rail 264.

When detecting axial coil cylindricity, the mirror ring main body 261 of conveying the corresponding mirror ring element 260 of probe pipe nipple inspection coil array moves axially on its mirror ring slide rail 264, the signal message that in the magnetic test coil array, receiving coil receives can be determined in tested coil array the axially cylindricity of coil according to these signal messages.

If utilize this detection platform of the present utility model both to detect axial coil concentricity, detect again axial coil cylindricity, so, preference be as can first detect axial coil concentricity, and then detects axial coil cylindricity.

in addition, need to prove, in various detection platform of the present utility model, except horizontal induction loop 248, vertically induction loop 268 and their closed socket 249,269, the closed plug of resistance web joint 242,265 and contact resistance etc. need conduction or produce outside the electrical components of induction electromotive force, all the other all carry out mechanical connection, the location, support, fixing, the constructive elements of transmission comprises stationary platen 210, leg assembly 220, supporting member (for example the V-type back-up block 230), reference column 236, highly regulate pad 238, sub-platen 240, guide plate 241, drive screw 251, stationary platen retainer 252, sub-platen retainer 253, mirror ring main body 261, mirror ring support 262, mirror ring slide rail 264, mirror ring transverse shifting latch mechanism (comprising locking knob 276) and mirror annulate shaft even comprise nut may be installed to mobile latch mechanism (comprising locking jackscrew 263), the securing members such as screw all adopt nonmetal electrically insulating material (for example engineering plastics of electrical isolation) to make, and have noninductive testing environment to make platform of the present utility model as far as possible.

And those skilled in the art should clearly realize that, detect structure and the feature of described five structure precisions of preamble in the utility model and can organically combine, and form a comprehensive detection platform, as shown in the embodiment of Fig. 6.

At last, those skilled in the art also will be appreciated that, although this paper at large illustrates and has described a plurality of exemplary embodiments, but, in the situation that do not break away from the utility model spirit and scope, still can content disclosed according to the application directly determine or derive many other modification or the modification that meets the utility model principle.Therefore, scope of the present utility model should be understood and regard as and cover all these other modification or modifications.

Claims (11)

1. platform that detects at least the axial coil cylindricity of cubical array induction instrument is characterized in that comprising:

The stationary platen of level;

A plurality of supporting members, it removably is arranged on described stationary platen, flatly is supported on described stationary platen top with the probe pipe nipple with described cubical array induction instrument; And

One or more mirror ring elements, each described mirror ring element is installed in the same cross side of described the above a plurality of supporting member of stationary platen, be furnished with one or more vertical induction loop on the mirror ring main body of each described mirror ring element, and each described mirror ring main body is installed into independently, and relatively described stationary platen moves axially.

2. platform according to claim 1, is characterized in that,

Each described mirror ring element also comprises:

Mirror ring slide rail, it is arranged on described stationary platen; And

The mirror ring support of fixing corresponding mirror ring main body, it can be arranged on described mirror ring slide rail with moving axially.

3. platform according to claim 2, is characterized in that,

But be arranged on described stationary platen the mirror ring slide rail of each described mirror ring element quilt transverse shifting.

4. platform according to claim 3, is characterized in that,

Be extruded with an orienting lug downwards on the bottom surface of the mirror ring slide rail of each described mirror ring element; And

Have the gathering sill of the horizontal expansion that matches with the orienting lug of each described mirror ring element in described stationary platen.

5. platform according to claim 3, is characterized in that,

Be provided with mirror ring transverse shifting latch mechanism between the mirror ring slide rail of each described mirror ring element and described stationary platen; And

Be provided with the mirror annulate shaft to mobile latch mechanism between the mirror ring support of each described mirror ring element and corresponding mirror ring slide rail.

6. platform according to claim 1, is characterized in that,

The one or more vertical induction loop of arranging on each described mirror ring main body further is set to a plurality of vertical induction loop, and described a plurality of vertical induction loop are arranged in same vertical plane concentrically.

7. platform according to claim 6, is characterized in that,

Each described vertical induction loop is circle, the uniformity and being equal to each other on whole ring Zhou Changdu of the radial spacing between the adjacent vertical induction loop on itself and same described mirror ring main body.

8. platform according to claim 6, is characterized in that,

A part in described a plurality of vertical induction loop or all vertical induction loop disconnect on Zhou Fangxiang at ring, and each comfortable contiguous open position place is provided with closed socket; And

In the vertical induction loop of all disconnections, the closed socket of one or more vertical induction loop is closed with inserting mode by the resistance web joint with closed plug.

9. platform according to claim 1, is characterized in that,

Described a plurality of supporting member is a plurality of V-type back-up blocks, and each described V-type back-up block has the V-shaped groove of a upward opening; And

Described a plurality of V-type back-up block in axial direction is plugged on described stationary platen the compartment of terrain, and the bottom land center line of the V-shaped groove of each described V-type back-up block is in alignment with each other in a lateral direction.

10. platform according to claim 1, is characterized in that,

All in described platform are carried out mechanical connection, location, support, constructive elements fixing, transmission all adopts nonmetal electrically insulating material to make.

11. platform according to claim 1 is characterized in that,

The probe pipe nipple of described cubical array induction instrument has metal axle and the three dimensional coils array that is fixed on described metal axle, and each described three dimensional coils array is made of one or more coil units of making as matrix winding wire coil take the insulation band of column.

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