CN101382421A - Guide shape laser detector based on anchor point positioning and detecting method thereof - Google Patents

Abstract

The invention discloses a cage guide-shaped laser detector which carries out positioning based on a locating point and a detection method thereof. The detector mainly comprises: a lifting device, a depth gauge, a ground upper computer, a measuring instrument and a laser positioning device, wherein, the measuring instrument comprises two ranging lasers which are arranged at a set included angle and can simultaneously emit laser beams to a same side cage guide; the laser positioning device is composed of the locating point arranged on the measuring instrument and a positioning laser fixed on a derrick, and detects the locating point aligned to a positioning laser beam emitted by the positioning laser. The cage guide-shaped laser detector which carries out positioning based on the locating point and the detection method thereof can greatly improve the detection precision of the cage guide, and has a plurality of advantages of high efficiency, easy operation and the like.

Description

Cage conductor shape laser detector and detection method thereof based on the anchor point location

Technical field

The invention of this group relates to cage conductor shape checkout equipment and a kind of detection method thereof of mine vertical shaft pit shaft.

Background technology

Cage guide and bunton are the chief components of shaft of vertical well equipment, are used for eliminating the teeter that container produces at lifting process.When wire cable rupture or lifting pulleying, the prevention container falls and makes it safety braking.Shaft equipment can be divided into the rigidity equipment and flexibility is equipped two kinds.Owing to reasons such as shaft deformation, alignment error and recovery activity influences, pit shaft and rigid cage guide can deform inevitably.Tilt to have become a kind of typical fault pattern of rigid cage guide, comprise forms such as bulk deformation, integrally bending, the bending of S shape and local crowning.Distortion detects accurately and timely and adopts an effective measure to cage guide to adopt rational measuring technology, and to reducing device damage, the accident that prevents takes place, and guarantees that the high efficiency smooth of producing carries out significant.

At present, cage conductor shape is taked traditional static detection method more, as the steel wire suspension method, though instrument is simple, operate loaded down with trivial details, precision is lower.And some tiltmeters that occur at present adopt obliquity sensor to detect more because be subjected to cost of development, bad working environments is limit, still be in the junior stage.

Summary of the invention

One of task of the present invention is to overcome the above-mentioned technological deficiency that prior art exists, and a kind of cage conductor shape laser detector based on the anchor point location is provided.

Two of task of the present invention is to provide a kind of detection method of above-mentioned cage conductor shape laser detector based on the anchor point location.

For realizing invention task one, its technical solution is:

A kind of cage conductor shape laser detector based on the anchor point location comprises:

One is used for promoting the lifting gear of following measuring instrument in the pit shaft lifting;

One is used to measure the degree of depth instrument that following measuring instrument is transferred the degree of depth;

And one be used for following measuring instrument is obtained the ground host computer that data and other related data are handled; Also comprise:

One measuring instrument comprises ranging laser in the measuring instrument;

One laser locating apparatus, laser locating apparatus constitutes by being arranged on the anchor point on the above-mentioned measuring instrument and being fixed on the location of one on derrick laser instrument, and the locating laser bundle that the locating laser device is launched in the middle of detecting is tackled certainly site.

Above-mentioned locating laser device can be launched the locating laser bundle of vertical direction in pit shaft.

Above-mentioned ranging laser is two, and two ranging lasers become to set angle and distribute, simultaneously the side cage guide emission of lasering beam in pit shaft.

For realizing invention task two, its technical solution is:

A kind of detection method of above-mentioned cage conductor shape laser detector based on anchor point location comprises step:

A regularly sends pulse locating laser bundle by the locating laser device;

B utilizes lifting gear that measuring instrument is transferred in the pit shaft, and the pulse locating laser bundle that allows the well head direction throw to get off can reach on the measuring instrument;

The c measuring instrument is in lifting process, in a certain setting-up time unit, the locating laser bundle shines on the measuring instrument, by artificial adjustment measuring instrument position the locating laser bundle is beaten on anchor point, two ranging lasers of measuring instrument are launched the distance that two range finding laser beam are measured each laser emission point corresponding reflection spot to the cage guide wall respectively simultaneously, according to known conditions and algorithm, calculate the horizontal range of cage guide to position line, and measure the depth data at current measuring instrument place by degree of depth instrument, preserve horizontal range value and depth value; Repeat aforesaid operations in next setting-up time unit;

D offers the ground host computer during with the data in real time obtained among the step c or he, carries out the testing result that data processing draws relevant cage conductor shape by the ground host computer.

Among the above-mentioned steps c, also comprise: the laser beam angle a of described two ranging lasers is known, and d ₁₀With d ₂₀Also known, in a certain timing, two ranging lasers are launched laser beam simultaneously, project on the homonymy cage guide respectively and reflect, received by ranging laser separately, the launching site that can draw two bundle laser processes by laser distance measuring principle to the reflection spot apart from d ₁₁With d ₂₁, thus by A, B, 3 triangles that constitute of C known both sides AC and BC and their angle a, by triangle relation can draw the C point apart from cage guide apart from d ₀Conversion method is:

d ₁＝d ₁₁+d ₁₀ (1)

d ₂＝d ₂₁+d ₂₀ (2)

$\mathrm{\&beta;}=\&angle;\mathrm{BAC}=\mathrm{<figure-callout\; id="2"\; label="arctan\; d"\; filenames="A200810157270E00071.png,A200810157270E00072.png"\; state="\{\{state\}\}">arctan</figure-callout>}\frac{d_{}}{}\frac{{}_2\sin a}{d_1-{\mathrm{<figure-callout\; id="2"\; label="d"\; filenames="A200810157270E00071.png,A200810157270E00072.png"\; state="\{\{state\}\}">d</figure-callout>}}_2\cos a}---\left(3\right)$

d ₀＝d ₁cosβ (4)

Plurality of advantages such as the invention of this group can increase substantially the guide detecting precision, and have the efficient height based on the cage conductor shape laser detector and the detection method thereof of anchor point location, and is easy to operate.

Description of drawings

Fig. 1 in this group invention based on a kind of embodiment structural principle synoptic diagram of the cage conductor shape laser detector of anchor point location.

Fig. 2 mainly shows location and range measurement principle synoptic diagram such as measuring instrument in the above-mentioned embodiment.

Invention describes to this group below in conjunction with accompanying drawing:

Embodiment

In conjunction with Fig. 1 and Fig. 2, a kind of cage conductor shape laser detector based on the anchor point location comprises:

One is used for promoting the lifting gear of measuring instrument 2 in pit shaft 7 liftings.

One is used to measure the degree of depth instrument 3 that following measuring instrument 2 is transferred the degree of depth; Can adopt photoelectric code disk to measure the mode of hanging the wire rope displacement that is hoisting conveyance 1 in the lifting gear, also can be mode that adopts laser ranging or the like.Obtaining depth data can be sent in the measuring instrument by wired or wireless mode.

One is used for following measuring instrument is obtained the ground host computer 4 that data and other related data are handled.

One measuring instrument comprises in the measuring instrument that 5,6, two ranging lasers 5 of two ranging lasers, 6 one-tenth setting angles distribute, can be simultaneously towards a side cage guide 8 emission of lasering beam;

One laser locating apparatus, laser locating apparatus constitutes by being arranged on the anchor point on the above-mentioned measuring instrument and being fixed on the location of one on derrick laser instrument 9, locating laser device 9 can be launched the locating laser bundle of vertical direction in pit shaft 7, the locating laser bundle that locating laser device 9 is launched in the middle of detecting is tackled certainly site.

Its range measurement principle roughly is: the laser beam angle a of above-mentioned two ranging lasers is known, and d ₁₀With d ₂₀Also known, as shown in Figure 2.In a certain timing, two ranging lasers are launched laser beam simultaneously, project on the homonymy cage guide 8 respectively and reflect, and are received by ranging laser separately, the launching site that can draw two bundle laser processes by laser distance measuring principle to the reflection spot apart from d ₁₁With d ₂₁, thus by A, B, 3 triangles that constitute of C known both sides AC and BC and their angle a, by triangle relation can draw the C point apart from cage guide apart from d ₀A kind of conversion method is:

d ₁＝d ₁₁+d ₁₀ (1)

d ₂＝d ₂₁+d ₂₀ (2)

$\mathrm{\&beta;}=\&angle;\mathrm{BAC}=\mathrm{<figure-callout\; id="2"\; label="arctan\; d"\; filenames="A200810157270E00071.png,A200810157270E00072.png"\; state="\{\{state\}\}">arctan</figure-callout>}\frac{d_{}}{}\frac{{}_2\sin a}{d_1-{\mathrm{<figure-callout\; id="2"\; label="d"\; filenames="A200810157270E00071.png,A200810157270E00072.png"\; state="\{\{state\}\}">d</figure-callout>}}_2\cos a}---\left(3\right)$

d ₀＝d ₁cosβ (4)

Position line: the C point promptly is an anchor point, during owing to each the measurement, all is to beat under the prerequisite of (aligning) anchor point at the locating laser bundle to launch, and therefore guarantees that in the measurement of whole cage conductor shape the residing position of C point is all the time on the locating laser bundle.And the track during the C point measurement is a position line.

A kind of detection method of above-mentioned cage conductor shape laser detector based on anchor point location comprises step:

A regularly sends pulse locating laser bundle by the locating laser device;

B utilizes lifting gear that measuring instrument is transferred in the pit shaft, and the pulse locating laser bundle that allows the well head direction throw to get off can reach on the measuring instrument;

The c measuring instrument is in lifting process, in a certain setting-up time unit, the locating laser bundle shines on the measuring instrument, by artificial adjustment measuring instrument position the locating laser bundle is beaten on anchor point, two ranging lasers of measuring instrument are launched the distance that two range finding laser beam are measured each laser emission point corresponding reflection spot to the cage guide wall respectively simultaneously, according to known conditions and algorithm, calculate the horizontal range of cage guide to position line, and measure the depth data at current measuring instrument place by degree of depth instrument, preserve horizontal range value and depth value; Repeat aforesaid operations in next setting-up time unit;

D carries out the testing result that data processing draws relevant cage conductor shape with the data in real time or the follow-up ground host computer that offers that obtain among the step c by the ground host computer.Can be transferred to the ground host computer by modes such as movable storage device, real-time Communication for Power such as the data that will obtain among the step c etc. and carry out data processing, and make cage conductor shape and parameter demonstration etc.

Among the above-mentioned steps c, also comprise: the laser beam angle a of described two ranging lasers is known, and d ₁₀With d ₂₀Also known, in a certain timing, two ranging lasers are launched laser beam simultaneously, project on the homonymy cage guide respectively and reflect, received by ranging laser separately, the launching site that can draw two bundle laser processes by laser distance measuring principle to the reflection spot apart from d ₁₁With d ₂₁, thus by A, B, 3 triangles that constitute of C known both sides AC and BC and their angle a, by triangle relation can draw the C point apart from cage guide apart from d ₀Conversion method is:

d ₁＝d ₁₁+d ₁₀ (1)

d ₂＝d ₂₁+d ₂₀ (2)

$\mathrm{\&beta;}=\&angle;\mathrm{BAC}=\mathrm{<figure-callout\; id="2"\; label="arctan\; d"\; filenames="A200810157270E00071.png,A200810157270E00072.png"\; state="\{\{state\}\}">arctan</figure-callout>}\frac{d_{}}{}\frac{{}_2\sin a}{d_1-{\mathrm{<figure-callout\; id="2"\; label="d"\; filenames="A200810157270E00071.png,A200810157270E00072.png"\; state="\{\{state\}\}">d</figure-callout>}}_2\cos a}---\left(3\right)$

d ₀＝d ₁cosβ (4)

Claims (5)

1, a kind of cage conductor shape laser detector based on the anchor point location comprises:

One is used for promoting the lifting gear of following measuring instrument in the pit shaft lifting;

One is used to measure the degree of depth instrument that following measuring instrument is transferred the degree of depth;

And one be used for following measuring instrument is obtained the ground host computer that data and other related data are handled;

Feature is also to comprise:

One measuring instrument comprises ranging laser in the measuring instrument;

One laser locating apparatus, laser locating apparatus constitutes by being arranged on the anchor point on the above-mentioned measuring instrument and being fixed on the location of one on derrick laser instrument, and the locating laser bundle that the locating laser device is launched in the middle of detecting is tackled certainly site.

2, the cage conductor shape laser detector based on the anchor point location according to claim 1, it is characterized in that: described locating laser device can be launched the locating laser bundle of vertical direction in pit shaft.

3, the cage conductor shape laser detector based on the anchor point location according to claim 1, it is characterized in that: described ranging laser is two, two ranging lasers become to set angle and distribute, simultaneously the side cage guide emission of lasering beam in pit shaft.

4, a kind of detection method of the cage conductor shape laser detector based on anchor point location according to claim 1 comprises step:

A regularly sends pulse locating laser bundle by the locating laser device;

B utilizes lifting gear that measuring instrument is transferred in the pit shaft, and the pulse locating laser bundle that allows the well head direction throw to get off can reach on the measuring instrument;

The c measuring instrument is in lifting process, in a certain setting-up time unit, the locating laser bundle shines on the measuring instrument, by artificial adjustment measuring instrument position the locating laser bundle is beaten on anchor point, two ranging lasers of measuring instrument are launched the distance that two range finding laser beam are measured each laser emission point corresponding reflection spot to the cage guide wall respectively simultaneously, according to known conditions and algorithm, calculate the horizontal range of cage guide to position line, and measure the depth data at current measuring instrument place by degree of depth instrument, preserve horizontal range value and depth value; Repeat aforesaid operations in next setting-up time unit;

D offers the ground host computer with the data of obtaining among the step c, carries out the testing result that data processing draws relevant cage conductor shape by the ground host computer.

5, a kind of detection method of the cage conductor shape laser detector based on anchor point location according to claim 4, feature is also to comprise among the described step c: the laser beam angle a of described two ranging lasers is known, and d ₁₀With d ₂₀Also known, in a certain timing, two ranging lasers are launched laser beam simultaneously, project on the homonymy cage guide respectively and reflect, received by ranging laser separately, the launching site that can draw two bundle laser processes by laser distance measuring principle to the reflection spot apart from d ₁₁With d ₂₁, thus by A, B, 3 triangles that constitute of C known both sides AC and BC and their angle a, by triangle relation can draw the C point apart from cage guide apart from d ₀Conversion method is:

d ₁＝d ₁₁+d ₁₀ (1)

d ₂＝d ₂₁+d ₂₀ (2)

$\mathrm{\&beta;}=\&angle;\mathrm{BAC}=\arctan \frac{d_2\sin a}{d_1-d_2\cos a}---\left(3\right)$

d ₀＝d ₁?cos?β (4)

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