CN106225744A - Piston-type mud pulse generator valve rod stroke measuring device and method - Google Patents

Piston-type mud pulse generator valve rod stroke measuring device and method Download PDF

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Publication number
CN106225744A
CN106225744A CN201610525526.0A CN201610525526A CN106225744A CN 106225744 A CN106225744 A CN 106225744A CN 201610525526 A CN201610525526 A CN 201610525526A CN 106225744 A CN106225744 A CN 106225744A
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China
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end
stem
rod
valve
spring
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CN201610525526.0A
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Chinese (zh)
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CN106225744B (en
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林坤
马朝选
亢楠楠
王洁冰
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中国船舶重工集团公司第七八研究所
中国船舶重工集团公司第七一八研究所
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/02Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring length, width, or thickness

Abstract

The invention discloses a piston-type mud pulse generator valve rod stroke measuring device, and belongs to the technical field of logging instrument measurement tooling design. The piston-type mud pulse generator valve rod stroke measuring device comprises a stroke sensor, a support, a compression spring, a fixed base, a connecting sleeve, a regulating rod, a push rod and a spring base, and is characterized in that the regulating rod is arranged at the inner circumferential surface of one end of the connecting sleeve in a sleeved manner; the outer circumferential surface of the support is in threaded connection with the other end of the connecting sleeve, and the spring base and the fixed base are coaxially distributed at the inner circumferential surface of the support, wherein two ends of the spring base are axially limited through a step surface in the support and an open end face of the fixed base respectively; the push rod sequentially penetrates through axial through holes of the spring base and the fixed base and the regulating rod; the compression spring is arranged at the outer circumference surface of the end, at which a groove of the push rod is located, in a sleeved manner; and a rod-shaped portion of the stroke sensor is coaxially distributed with the push rod, one end of the rod-shaped portion of the stroke sensor is located in the groove, and the other end of the rod-shaped portion is installed on the support. The device disclosed by the invention is simple in structure and convenient to install and use. The method disclosed by the invention is accurate and reliable in measurement precision.

Description

一种活塞式泥浆脉冲发生器阀杆行程测量装置及方法 One kind of piston stroke measuring valve stem mud pulser apparatus and method

技术领域 FIELD

[0001]本发明属于测井仪器测量工装设计技术领域,具体涉及一种活塞式泥浆脉冲发生器阀杆行程测量装置及方法。 [0001] The present invention pertains to logging instrument measurement tooling design, and in particular relates to a piston type mud pulser apparatus and method for measuring stroke of the valve stem.

背景技术 Background technique

[0002]活塞式泥浆脉冲发生器在调试和维修保养过程中,需要测量和调节阀杆行程。 [0002] Piston mud pulse generator during commissioning and maintenance, necessary to measure and adjust the stroke of the valve stem. 一般测量工具为直尺、间隙尺、塞尺、游标卡尺和千分尺等常用工具。 Usually ruler measuring tool, the gap foot, feeler, vernier caliper, and common tools such as a micrometer. 然而,阀杆在仪器内部,从仪器外部到阀杆的最小空间直径为几毫米的小孔,常用工具是无法进行测量的。 However, the valve stem inside the instrument, the minimum diameter of the space from the external device to the valve stem orifice is a few millimeters, the tool can not be used for measuring.

发明内容 SUMMARY

[0003]有鉴于此,本发明的目的是提供一种活塞式泥浆脉冲发生器阀杆行程测量装置及方法,该装置结构简单、安装使用方便,该方法测量精度准确可靠。 [0003] In view of this, an object of the present invention is to provide a piston type mud pulser apparatus and method for measuring stroke of the valve stem, the apparatus structure is simple, easy to install, this method is accurate and reliable measurement precision.

[0004]本发明是通过下述技术方案实现的: [0004] The present invention is achieved by the following technical scheme:

[0005] —种活塞式泥浆脉冲发生器阀杆行程测量装置,包括:行程传感器、支座、压缩弹簧、固定座、连接套筒、调节杆、推杆及弹簧座; [0005] - species Piston mud pulser valve stem travel measuring apparatus, comprising: a stroke sensor, the carrier, a compression spring, mounts, attachment sleeve, the adjusting lever, and the plunger spring seat;

[0006]所述固定座为一端开放一端封闭的筒状结构,其封闭端加工有轴向通孔; [0006] The open end of the fixing base of the cylindrical structure is closed at one end, the closed end with an axial through-hole processing;

[0007 ]所述调节杆上设有轴向通孔,其一端端面加工有定位柱,另一端固定有调节轮; [0007] The adjusting lever provided with an axial through hole, one end face processing a positioning post, and the other end is fixed to an adjusting wheel;

[0008]所述推杆的一端加工有凹槽; [0008] One end of the push rod has a processing recess;

[0009]调节杆套装在连接套筒一端的内圆周面;支座的外圆周面螺纹连接在连接套筒的另一端,支座的内圆周面安装有同轴分布的弹簧座和固定座,其中,弹簧座的两端分别通过支座内的台阶面及固定座的开放端端面进行轴向限位; [0009] Set the adjusting lever in the circumferential surface of one end of the connecting sleeve; threaded outer peripheral surface of the bearing sleeve is connected at the other end, the inner circumferential face of the support profile is mounted coaxially fixed seat and a spring seat, wherein ends of the spring seat respectively by the stepped axial stop surface and the open side end face of the holder in the holder;

[0010]推杆依次穿过弹簧座、固定座的轴向通孔及调节杆;压缩弹簧套装在推杆的凹槽所在端的外圆周面,且压缩弹簧的一端抵触在推杆外圆周面的台阶面上,另一端抵触在弹簧座的端面; [0010] pushrod passes through the spring seat, an axial through hole and fixed seat adjustment lever; a compression spring sleeved on an outer circumferential surface of the groove where the push rod end, and the end of the compression spring is in conflict with the outer circumferential surface of the push rod the stepped surface, the other end of the end surface of the spring seat in conflict;

[0011]行程传感器的杆状部分与推杆同轴分布,且其杆状部分的一端位于推杆的凹槽中,另一端安装在支座上。 Rod portion [0011] coaxial with the push rod stroke sensor profile, and one end of the rod portion of the plunger is located in the recess, and the other end mounted on a carriage.

[0012]进一步的,还包括锁紧环和锁紧螺钉,所述行程传感器的杆状部分通过锁紧环安装在支座上,并通过锁紧螺钉对锁紧环进行锁紧。 [0012] Further, further comprising a locking ring and a locking screw, said rod portion of the stroke sensor by a lock ring mounted on the carrier, and the locking of the locking ring by screws.

[0013]进一步的,所述连接套筒的外圆周面加工有开口槽,调节杆的调节轮与连接套筒的开口槽相对。 [0013] Further, the connecting sleeve outer circumferential surface machined with an open slot, and modulating wheel coupling sleeve opening groove opposite the rod.

[0014]基于所述一种活塞式泥浆脉冲发生器阀杆行程测量装置进行行程测量的方法,应用该方法的待测量的结构包括:外筒、截流阀、阀杆及驱动组件;所述截流阀一端的端面加工有定位孔; [0014] The position measuring method based on said one piston mud pulser valve stem travel measuring device, the application of the method to be measured structure comprising: an outer cylinder, the shut-off valve, the valve stem and drive assembly; said closure valve end face machining a positioning hole;

[0015]截流阀螺纹连接在外筒内部,所述测量装置的调节杆端固定在外筒的一端,驱动组件安装在外筒的另一端;阀杆的一端通过弹簧安装在驱动组件上,另一端抵触在截流阀未加工定位孔一端的端面;驱动组件能够驱动阀杆进行轴向运动; [0015] The cutoff valve screwed inside the outer cylinder, the other end of the adjusting rod end fixed to the outer end of the cylinder, the outer cylinder drive assembly mounting said measurement; end of the stem by a spring mounted on the drive assembly, the other end contradicted One end of the positioning hole shutoff valve unprocessed end surface; drive assembly capable of driving the axial movement of the valve stem;

[0016]第一步,所述推杆在压缩弹簧的作用下穿过截流阀,并抵触在阀杆的端面后,调节行程传感器的示数,使其归零; [0016] The first step of the push rod through a shutoff valve under the action of a compression spring, and the rear end face of the valve stem conflict, adjust the number shown stroke sensor, so that zero;

[0017]第二步,给驱动组件通电,驱动组件驱动阀杆向远离行程传感器的方向移动,当驱动组件处于吸合状态时,阀杆运动到位移最大位置,阀杆的移动距离为阀杆的行程;同时,在阀杆的移动过程中,推杆在压缩弹簧的作用下随着阀杆向远离行程传感器的方向运动,行程传感器通过测量推杆的移动距离得到阀杆的行程; [0017] The second step, the drive assembly is energized, the drive assembly to drive the stem moves away from the stroke sensor, when the drive assembly is in the pull condition, the maximum displacement of the valve stem is moved to the position, moving distance of the valve stem of the valve stem stroke; while, during movement of the valve stem, push rod stroke with the valve stem in a direction away from the stroke sensor motion, the stroke sensor by measuring a moving distance of the plunger stem obtained under action of a compression spring;

[0018]第三步,对比阀杆的行程是否满足设定行程要求,若满足则测量结束,若不满足则停止给驱动组件通电,阀杆失去驱动力后,在阀杆与驱动组件之间弹簧的作用下复位;然后,将调节杆的定位柱插入到截流阀的定位孔内,通过旋转调节杆的调节轮使截流阀沿外筒轴向移动设定距离;其中,阀杆始终抵触在截流阀的端面; [0018] The third step, compared to the stem travel stroke meets the requirements set, if yes then the end of the measurement, not satisfied to stop the drive assembly is energized, the valve stem the loss of the driving force between the drive assembly and the valve stem under the action of the reset spring; then adjust the positioning of the mast is inserted into a positioning hole shutoff valve, by rotating the adjusting lever adjusting wheel to set the shutoff valve to move axially a distance along the outer cylinder; wherein the valve stem is always in conflict the end face of the shut-off valve;

[0019]第四步,重复第一步至第三步,进行阀杆行程的测量,直到阀杆行程满足设定行程要求。 [0019] The fourth step, repeat steps 1 through 3, the measurement of the stem travel, until stem travel stroke satisfies the set requirements.

[0020]有益效果:本发明结构简单,安装使用方便,测量位移精度及重复精度准确可靠,体积小巧,携带方便,便于现场调试和保养仪器,有利于提高阀杆行程测量的效率,提高测量数据的准确度。 [0020] Advantageous Effects: The present invention has simple structure, easy to install, the displacement measurement accuracy and repeatability is accurate and reliable, compact, easy to carry, easy commissioning and maintenance equipment, and improving efficiency of measurement of valve stem travel, to improve the measurement data accuracy.

附图说明 BRIEF DESCRIPTION

[0021]图1为本发明的结构组成图。 [0021] FIG. 1 structure of the present invention, the composition of FIG.

[0022] 其中,1-行程传感器,2-锁紧环,3-支座,4-压缩弹簧,5-固定座,6_连接套筒,7_调节杆,8-定位柱,9-外筒,10-截流阀,11-阀杆,12-驱动组件,13-推杆,14-凹槽,15-弹簧座,16-锁紧螺钉。 [0022] wherein, l-stroke sensor, the locking ring 2-, 3- abutment, compression springs 4-, 5- holder, 6_ coupling sleeve 7_ adjusting lever positioning post 8-, 9- outer barrel, 10-shutoff valve, 11 stem, 12 drive assembly, plunger 13-, 14- recess, the spring seat 15, 16 the locking screw.

具体实施方式 Detailed ways

[0023]下面结合附图并举实施例,对本发明进行详细描述。 [0023] The following embodiments in conjunction with the accompanying drawings and embodiments, the present invention will be described in detail.

[0024]本发明提供了 一种活塞式泥浆脉冲发生器阀杆行程测量装置,参见附图1,包括:行程传感器1、锁紧环2、支座3、压缩弹簧4、固定座5、连接套筒6、调节杆7、推杆13、弹簧座15和锁紧螺钉16; [0024] The present invention provides a piston type mud pulser valve stem travel measuring apparatus 1 of the drawings, comprising: a stroke sensor 1, the locking ring 2, the support 3, the compression spring 4, the fixing base 5 is connected sleeve 6, the adjusting lever 7, the push rod 13, the spring seat 15 and the locking screw 16;

[0025]待测量的结构包括:外筒9、截流阀10、阀杆11及驱动组件12;所述截流阀10—端的端面加工有定位孔;截流阀10螺纹连接在外筒9内部,驱动组件12安装在外筒9的一端,阀杆11的一端通过弹簧安装在驱动组件12上,另一端抵触在截流阀10未加工定位孔一端的端面;驱动组件12能够驱动阀杆11进行轴向运动; [0025] The structure to be measured comprising: an outer cylinder 9, the shut-off valve 10, the valve stem 11 and drive assembly 12; 10- the shutoff valve end face machining a positioning hole; shutoff valve 10 is screwed inside the outer cylinder 9, the drive assembly 9 the outer tube 12 is attached to an end of the one end of the valve stem 11 is mounted on the drive assembly by a spring 12, the other end of the conflict in the positioning hole shutoff valve 10 at one end of unprocessed end surface; the drive assembly 12 can drive the axial movement of the valve stem 11;

[0026]所述固定座5为一端开放一端封闭的筒状结构,其封闭端加工有轴向通孔; [0026] The holder 5 is an open end of a closed end cylindrical configuration, closed end with an axial through-hole processing;

[0027 ]所述调节杆7上设有轴向通孔,其一端端面加工有定位柱8,另一端固定有调节轮; [0027] The adjusting lever provided with an axial through hole 7, which has an end face processing positioning post 8, and the other end is fixed to an adjusting wheel;

[0028]所述连接套筒6的外圆周面加工有开口槽,用于方便调节杆7的调节轮转动; [0028] The outer circumferential surface of the connecting sleeve 6 has an opening groove processing, modulating wheel for facilitating rotation of the lever 7;

[0029]所述推杆13的一端加工有凹槽14; [0029] The ram 13 is machined with a recess 14 at one end;

[0030]其连接关系如下:连接套筒6的一端固定在外筒9的另一端,调节杆7套装在连接套筒6的内圆周面,调节杆7的调节轮与连接套筒6的开口槽相对,且在调节杆7与截流阀10对接时,调节杆7的定位柱8与截流阀1的定位孔配合; [0030] which is connected as follows: one end connected to the other end of the sleeve 6 fixed to the outer cylinder 9, the adjusting lever 7 set in the circumferential surface of the coupling sleeve 6, the adjustment lever opening groove 7 is connected with the adjusting wheel sleeve 6 relative, and the shutoff valve 7 and the adjusting lever 10 abutting, the adjusting lever positioning posts 7 and 8 of the positioning hole shutoff valve 1 is fitted;

[0031]支座3的外圆周面螺纹连接在连接套筒6的另一端,支座3的内圆周面安装有同轴分布的弹簧座15和固定座5,其中,弹簧座15的两端分别通过支座3内的台阶面及固定座5的开放端端面进行轴向限位; [0031] The outer circumferential surface of the threaded seat 3 is connected at the other end of the sleeve 6, the inner circumferential surface of the support 3 is mounted coaxially with the spring seat 15 and the distribution of fixed base 5, wherein the ends of the spring seat 15 respectively through the stepped axial stop surface and the open-end face 5 of the holder 3 inside the seat;

[0032]推杆13依次穿过弹簧座15、固定座5的轴向通孔、调节杆7及截流阀10后,与阀杆11的端面相抵触;压缩弹簧4套装在推杆13的凹槽14所在端的外圆周面,且压缩弹簧4的一端抵触在推杆13外圆周面的台阶面上,另一端抵触在弹簧座15的端面; [0032] 13 passes through the plunger 15, the axial through hole of the spring holder 5 of the seat adjustment lever 7 and the shutoff valve 10, inconsistent with the end surface of the valve stem 11; compression spring 4 fitted over the recess of the push rod 13 14 where the end of the outer circumferential surface of the groove, the stepped surface of one end and the compression spring 4 in the outer circumferential surface of the conflict the push rod 13 and the other end of the conflict of the end surface of the spring seat 15;

[0033]行程传感器I的杆状部分与推杆13同轴分布,且其杆状部分的一端位于推杆13的凹槽14中,另一端通过锁紧环2安装在支座3上,并通过锁紧螺钉16对锁紧环2进行锁紧; A coaxial rod portion 13 [0033] I with the push rod stroke sensor profile and located in one end of the rod portion 13 of the push rod in the recess 14, and the other end mounted on a carriage 2 by means of a locking ring 3, and Blocking the locking ring 2 by means of locking screw 16;

[0034] —种利用所述活塞式泥浆脉冲发生器阀杆行程测量装置进行行程测量方法,该方法包括以下步骤: [0034] - said species using mud pulser piston stem travel stroke measuring device measuring method, the method comprising the steps of:

[0035]第一步,所述推杆13在压缩弹簧4的作用下抵触在阀杆11的端面后,调节行程传感器I的示数,使其归零; [0035] In a first step, the push rod 13 by the compression spring 4 is in conflict with the rear end surface of the valve stem 11, adjusting the stroke sensor I shows the number of zero it;

[0036]第二步,给驱动组件12通电,驱动组件12驱动阀杆11向远离行程传感器I的方向移动,当驱动组件12处于吸合状态时,阀杆11运动到位移最大位置,阀杆11的移动距离为阀杆11的行程;同时,在阀杆11的移动过程中,推杆13在压缩弹簧4的作用下随着阀杆11向远离行程传感器I的方向运动,行程传感器I通过测量推杆13的移动距离得到阀杆11的行程,行程传感器I的示数即为阀杆11的行程; [0036] The second step, the drive assembly 12 is energized, the drive assembly 12 drives the valve stem 11 moves away from the stroke sensor I, when the drive assembly 12 is in the pull-in state, the valve stem 11 is moved to the maximum displacement position, the valve stem 11 is a moving distance of the valve stem 11 of the stroke; while, during movement of the valve stem 11, the push rod 13 by the compression spring 4 with the valve stem 11 in a direction away from the stroke motion sensor I, by the stroke sensor I measuring a moving distance of the push rod 13 of the valve stem 11 to give the stroke, the stroke sensor I is shown is the number of stroke of the valve stem 11;

[0037]第三步,对比阀杆11的行程是否满足设定行程要求,若满足则测量结束,若不满足则停止给驱动组件12通电,阀杆11失去驱动力后,在阀杆11与驱动组件12之间弹簧的作用下复位;然后,将调节杆7的定位柱8插入到截流阀1的定位孔内,通过旋转调节杆7的调节轮使截流阀10沿外筒9轴向移动设定距离,进而实现阀杆11行程的调节;其中,阀杆11始终抵触在截流阀10的端面; After [0037] The third step, Comparative stem travel stroke 11 meets the requirements set, if yes then the end of the measurement, not satisfied to stop the drive assembly 12 is energized, the valve stem 11 loses the driving force, and the valve stem 11 reset drive assembly 12 under the action of a spring between; then adjust the positioning of the mast 7 of the shut-off valve 8 is inserted into a positioning hole of the adjusting wheel 7 by rotating the adjustment lever 10 in that the shut-off valve axially movable outer cylinder 9 set distance, adjustable stem 11 so as to realize the stroke; wherein, the valve stem 11 is always in conflict with the end face 10 of the shut-off valve;

[0038]第四步,重复第一步至第三步,进行阀杆11行程的测量,直到阀杆11行程满足设定行程要求。 [0038] The fourth step, repeat steps 1 through 3, the measurement stroke of the stem 11, the stem 11 until the stroke to meet the requirements set stroke.

[0039]综上所述,以上仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围。 [0039] In summary, the foregoing is only preferred embodiments of the present invention but are not intended to limit the scope of the present invention. 凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention.

Claims (4)

1.一种活塞式泥浆脉冲发生器阀杆行程测量装置,其特征在于,包括:行程传感器(I)、支座(3)、压缩弹簧(4)、固定座(5)、连接套筒(6)、调节杆(7)、推杆(13)及弹簧座(15); 所述固定座(5)为一端开放一端封闭的筒状结构,其封闭端加工有轴向通孔; 所述调节杆(7)上设有轴向通孔,其一端端面加工有定位柱(8),另一端固定有调节轮; 所述推杆(13)的一端加工有凹槽(14); 调节杆(7)套装在连接套筒(6)—端的内圆周面;支座(3)的外圆周面螺纹连接在连接套筒(6)的另一端,支座(3)的内圆周面安装有同轴分布的弹簧座(15)和固定座(5),其中,弹簧座(15)的两端分别通过支座(3)内的台阶面及固定座(5)的开放端端面进行轴向限位;推杆(13)依次穿过弹簧座(15)、固定座(5)的轴向通孔及调节杆(7);压缩弹簧(4)套装在推杆(13)的凹槽(14)所在端的外圆周面,且压缩弹簧(4)的一端抵触在推 A piston type mud pulser valve stem travel measuring device comprising: a stroke sensor (the I), the support (3), a compression spring (4), the fixing base (5), the attachment sleeve ( 6), the adjusting lever (7), the push rod (13) and a spring seat (15); said fixed base (5) open at one end to a closed end of the cylindrical structure, closed end with an axial through-hole processing; the It is provided on the adjusting lever (7) an axial bore through which one end of a positioning end face machining column (8), and the other end is fixed to an adjusting wheel; said push rod (13) is machined with an end recess (14); adjusting lever (7) set in the connecting sleeve (6) - of the inner peripheral surface of the end; the inner circumferential surface of the outer circumferential surface of the screw holder (3) is connected to the other end of the connecting sleeve (6), the support (3) is mounted distribution coaxial spring seat (15) and the holder (5), wherein ends of the spring seats (15) are axially through the open end to end abutment surface of the stepped surface and a fixing base (5) in the (3) limit; the push rod (13) passes through the spring seat (15), holder (5) and the axial through hole of the adjusting lever (7); a compression spring (4) set the ram recess (13) in ( 14) where the end of the outer circumferential surface of the end, and the compression spring (4) pushing the conflict (13)外圆周面的台阶面上,另一端抵触在弹簧座(15)的端面; 行程传感器(I)的杆状部分与推杆(13)同轴分布,且其杆状部分的一端位于推杆(13)的凹槽(14)中,另一端安装在支座(3)上。 The stepped surface, and the other end (13) of the outer circumferential surface of the end face contradicted spring seat (15); a stroke sensor (I) portion of the pusher rod (13) coaxial distribution, and one end of the rod-like portion is located a recess (14) the push rod (13), and the other end mounted on a carriage (3).
2.如权利要求1所述的一种活塞式泥浆脉冲发生器阀杆行程测量装置,其特征在于,还包括锁紧环(2)和锁紧螺钉(16),所述行程传感器(I)的杆状部分通过锁紧环(2)安装在支座(3)上,并通过锁紧螺钉(16)对锁紧环(2)进行锁紧。 2. An mud pulser valve stem piston stroke measuring device according to claim 1, characterized in that, further comprising a locking ring (2) and a locking screw (16), the stroke sensor (I) the rod-shaped portion by a lock ring (2) is mounted on a support (3), and the locking of the locking ring (2) by means of a locking screw (16).
3.如权利要求1所述的一种活塞式泥浆脉冲发生器阀杆行程测量装置,其特征在于,所述连接套筒(6)的外圆周面加工有开口槽,调节杆(7)的调节轮与连接套筒(6)的开口槽相对。 3. An mud pulser valve stem piston stroke measuring device according to claim 1, characterized in that the connecting sleeve (6) has an outer circumferential surface of the opening groove processing, the adjusting lever (7) open groove connection sleeve and the adjusting wheel (6) opposite.
4.基于权利要求1所述的一种活塞式泥浆脉冲发生器阀杆行程测量装置进行行程测量的方法,应用该方法的待测量的结构包括:外筒(9)、截流阀(10)、阀杆(11)及驱动组件(12);所述截流阀(10) —端的端面加工有定位孔; 截流阀(10)螺纹连接在外筒(9)内部,所述测量装置的调节杆(7)端固定在外筒(9)的一端,驱动组件(12)安装在外筒(9)的另一端;阀杆(11)的一端通过弹簧安装在驱动组件(12)上,另一端抵触在截流阀(10)未加工定位孔一端的端面;驱动组件(12)能够驱动阀杆(11)进行轴向运动; 其特征在于, 第一步,所述推杆(13)在压缩弹簧(4)的作用下穿过截流阀(10),并抵触在阀杆(11)的端面后,调节行程传感器(I)的示数,使其归零; 第二步,给驱动组件(12)通电,驱动组件(12)驱动阀杆(11)向远离行程传感器(I)的方向移动,当驱动组件(12)处于吸合状态时,阀杆(11)运动到位 4. The demand for a claim based on a mud pulse generator piston stem travel measuring device for distance measurement according to a method of application of the method to be measured structure comprising: an outer cylinder (9), the shut-off valve (10), the stem (11) and drive assembly (12); the shutoff valve (10) - end face machining a positioning hole; shutoff valve (10) connected to the outer threaded cylinder (9) inside the adjusting lever (7 of the measuring device ) fixed to the outer end of the cylinder (9) at one end, the drive assembly (12) mounting the other end of the outer cylinder (9); the end of the stem (11) is mounted on the drive assembly by a spring (12), the other end of the shut-off valve contradicted (10) end face rough positioning hole at the end; a drive assembly (12) capable of driving the stem (11) axial movement; characterized in that a first step, the push rod (13) a compression spring (4) through the action of the shut-off valve (10), and the rear end conflict stem (11), adjust the number shown stroke sensor (I) to make it zero; the second step, the drive assembly (12) is energized, the drive assembly (12) to drive the stem (11) moves away from the stroke sensor (I) when the drive assembly (12) in the pull condition, the stem (11) moving in place 最大位置,阀杆(11)的移动距离为阀杆(11)的行程;同时,在阀杆(11)的移动过程中,推杆(13)在压缩弹簧(4)的作用下随着阀杆(11)向远离行程传感器(I)的方向运动,行程传感器(I)通过测量推杆(13)的移动距离得到阀杆(11)的行程; 第三步,对比阀杆(11)的行程是否满足设定行程要求,若满足则测量结束,若不满足则停止给驱动组件(12)通电,阀杆(11)失去驱动力后,在阀杆(11)与驱动组件(12)之间弹簧的作用下复位;然后,将调节杆(7)的定位柱(8)插入到截流阀(10)的定位孔内,通过旋转调节杆(7)的调节轮使截流阀(10)沿外筒(9)轴向移动设定距离;其中,阀杆(11)始终抵触在截流阀(10)的端面; 第四步,重复第一步至第三步,进行阀杆(11)行程的测量,直到阀杆(11)行程满足设定行程要求。 The maximum position, the distance the valve stem (11) of the stem (11) travel; the same time, the valve stem (11) during movement of the push rod (13) as the valve under the action of a compression spring (4) rod (11) moving in a direction away from the stroke sensor (I), the stroke sensor (I) by measuring ram (13) to obtain the moving distance the stem (11) travel; a third step, compared to the stem (11) meets the requirements set travel itinerary, is satisfied if the end of the measurement, not satisfied to stop the drive assembly (12) is energized, the valve stem (11) loses a driving force, the valve stem (11) and drive assembly (12) of under the action of a spring during the reset; then, the adjusting lever (7) positioning post (8) is inserted into the shutoff valve (10) of the pilot hole, by rotating the adjusting lever (7) that the shutoff valve adjusting wheel (10) along the an outer cylinder (9) axially moving distance is set; wherein the stem (11) in the end face is always inconsistent shutoff valve (10); a fourth step, repeat steps 1 through 3, a stem (11) travel measurement, until the stem (11) travel stroke satisfies the set requirements.
CN201610525526.0A 2016-07-06 2016-07-06 A kind of piston type mud pulse generator valve rod travel measuring device and method CN106225744B (en)

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CN104931242A (en) * 2015-05-28 2015-09-23 扬中市第一蝶阀厂有限公司 Fault detection method for detecting whether regulating valve can reach rated stroke
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090222220A1 (en) * 2008-02-29 2009-09-03 Fisher Controls International Llc Diagnostic method for detecting control valve component failure
CN102182864A (en) * 2011-04-22 2011-09-14 合肥通用机械研究所压力容器检验站 Valve stroke testing system
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