CN101963522B - Non-contact type level gage mounting method - Google Patents

Non-contact type level gage mounting method Download PDF

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Publication number
CN101963522B
CN101963522B CN 201010265843 CN201010265843A CN101963522B CN 101963522 B CN101963522 B CN 101963522B CN 201010265843 CN201010265843 CN 201010265843 CN 201010265843 A CN201010265843 A CN 201010265843A CN 101963522 B CN101963522 B CN 101963522B
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device
correction
gage
mounting
level
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CN 201010265843
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Chinese (zh)
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CN101963522A (en )
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季华锋
张晓峰
李德家
郑运洪
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中国一冶集团有限公司
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Abstract

The invention relates to a non-contact type level gage mounting method which belongs to the technical field of instrumentation engineering construction and solves the problem that the measurement angle of the non-contact type level gage is inconvenient for positioning. The method comprises the following steps of: (1) manufacturing a correction device and a lock mechanism capable of being modulated; (2) mounting the correction device on the lock mechanism capable of being modulated; (3) adjusting the position of the lock mechanism capable of being modulated and the inclination angle of the correction device; and (4) unloading the correction device and fixing the level gage. In the invention, (1) the non-contact type level gage is arranged in front of the lock mechanism capable of being modulated, the correction device is used for the accurate positioning of the position and the inclination angle, thereby ensuring the successful rate for mounting the level gage at one time; (2) the correction device can be disassembled and reused after use every time, thereby saving the subsequent mounting process and reducing the mounting cost; and (3) nearly all the parts of the lock mechanism capable of being modulated and the correction device can be conveniently selected from waste materials (steel plate, angle iron, and the like) in the construction site, are simple to produce and low in the cost.

Description

非接触式料位计安装方法 Non-contact type level meter installation method

技术领域 FIELD

[0001] 本发明涉及仪表工程施工技术领域,具体的指一种施工现场非接触式料位计安装方法。 [0001] Technical Field The present invention relates to instrumentation engineering construction, construction site refers to a specific non-contact type level meter installation method.

背景技术 Background technique

[0002] 在石油、化工、冶金、轻工等工业生产中,当某工艺流程需要固体物料的供给时,物料料位的监测和控制是确保生产正常运行的重要参数之一。 [0002] In the petroleum, chemical, metallurgical and light industrial production, the process needs to be supplied when a solid material, the material filling level monitoring and control of production parameters is important to ensure normal operation. 雷达料位计和超声波料位计作为两种主要的非接触式物料料位监测控制热工仪表,因其智能化程度高、性能稳定、测量范围宽、测量精度高、使用方便等特点得到了广泛应用。 Radar level gauge and ultrasonic level meter as two main non-contact thermal control material Level Monitoring instrumentation, because of its high degree of intelligence, stable performance, wide measurement range, high accuracy, ease of use features have been widely used.

[0003] 在实际应用过程中,料位计通常是通过其安装法兰直接固定于容器顶部的预留孔处。 [0003] In practical applications, the level gauge usually by its mounting flange is directly fixed to the prepared hole at the top of the container. 而料位计测量的准确性与其安装部位、安装方式有很大关系,特别是料位计的测量角度是否在合理的范围之内至关重要。 The accuracy level meter to measure its installation site has a lot of installation, especially the level meter to measure the angle is within a reasonable range is crucial. 若测量角度不正确,在容器进料过程中将出现测量失真、 测量值不稳定等情况。 If the measurement angle is not appropriate, the situation appeared unstable measurement measuring distortion in a vessel feeding process. 此时如果进行料位计的二次安装和调整,往往会受到现场条件的制约。 At this point if the secondary level meter installation and adjustment, often restricted site conditions. 很多时候,恶劣的现场环境条件对施工人员的身心健康和安全极为不利;同时,二次安装和调整的操作也影响了试生产的正常进行,进而影响整个生产进度。 In many cases, harsh environmental conditions to which is extremely detrimental to the health and safety of construction workers; at the same time, the second installation and adjustment also affected the normal operation of pilot production, thereby affecting the entire production schedule. 基于多项实际工程所出现的上述问题,如何确保料位计安装的一次成功率,并可根据现场物料的实际情况对料位计进行灵活的动态调整,成为料位计施工过程中亟待解决的问题。 Based on the above number of practical engineering problems that arise, how to ensure a level meter installation success rate, and can be flexible dynamic adjustment of the level meter according to the actual situation at the scene of materials, level meter to be solved in the construction process problem.

发明内容 SUMMARY

[0004] 本发明的目的就是提供一种非接触式料位计安装方法,能够对非接触式料位计进行准确定位,并可实现料位计测量角度的动态调整。 [0004] The object of the present invention is to provide a non-contact type level gauge mounting method capable of accurately positioning the non-contact type level gauge, and dynamic adjustment of the angle material measured position.

[0005] 为实现上述目的,本发明提供的一种非接触式料位计安装方法,包括如下步骤: [0005] To achieve the above object, the present invention provides a non-contact type level gauge mounting method, comprising the steps of:

[0006] 1)制作找正装置:制备与料位计安装法兰匹配的预安装法兰,在预安装法兰的轴心处垂直安装激光源;制作可调幅的锁紧机构:制作一对转动幅度可调的法兰支撑杆,在一对法兰支撑杆上设置与料位计安装法兰匹配的法兰安装孔; [0006] 1) Preparation of alignment means: Preparation level gauge mounting flange mounting flange pre-matching, the laser source is mounted perpendicular to the axial center of the pre-mounting flange; AM locking mechanism can be made of: making one pair rotation rate adjustable support bar flange, the flange is provided with mounting hole flange matching level gauge is mounted on a pair of flanges support bars;

[0007] 2)将找正装置安装在可调幅的锁紧机构上:将预安装法兰通过法兰安装孔与一对法兰支撑杆固定,且激光源的发射端朝向法兰支撑杆的一边; [0007] 2) the alignment means is mounted on a locking mechanism AM: pre-mounting flange fixed support bars and a pair of flanges by flange mounting holes, and emits the laser light source toward the flange end of the support rod side;

[0008] 3)调整可调幅的锁紧机构的位置和找正装置的倾斜角度:将可调幅的锁紧机构放在容器顶面上的料位计安装预留孔处,使激光源的发射端朝向料位计安装预留孔,打开激光源,观察激光源在容器内的照射点,同时调整一对法兰支撑杆的位置和/或转动幅度,当激光源的照射点位于容器的出料口时,固定一对法兰支撑杆的位置和转动幅度; [0008] 3) position of the locking mechanism can be adjusted and the inclination angle amplitude alignment means: reserve level meter mounting hole locking mechanism can be placed in the container top surface of the amplitude of the emitted laser light source toward the end of the reservation level meter mounting hole, open the laser source, laser light source to observe the irradiation point inside the container, while adjusting the position of a pair of flanges supporting rod and / or rotation rate, when the irradiation point of the laser light source out of the container when the discharge port, a fixed location and amplitude of a pair of flanges rotatable support bars;

[0009] 4)卸下找正装置并固定料位计:从一对法兰支撑杆上卸下预安装法兰,然后将料位计安装法兰通过法兰安装孔与一对法兰支撑杆固定,且料位计天线朝向料位计安装预留孔的一边。 [0009] 4) Remove the alignment means and secured level meter: a pre-mounting flange from a pair of flanges support bars removed, then the level gauge mounting flange with mounting holes through the flange to support a pair of flanges a fixed rod, and the antenna level meter level meter toward the mounting side of the prepared hole.

[0010] 所述步骤1)还可包括在预安装法兰上设置用于观测激光源照射位置的观察孔的操作。 [0010] step 1) further comprises a viewing aperture setting operation position of the laser irradiation source for viewing on the pre-mounting flange. [0011] 所述步骤1)还可包括对预安装法兰的平面度和/或激光源与预安装法兰的同心度等进行检查的操作。 [0011] step 1) further comprises a pre-flatness of the mounting flange and / or the laser light source and the concentricity of the mounting flange pre-operation check.

[0012] 与传统安装方法相比,本发明的有益效果在于:1)将非接触式料位计安装在可调幅的锁紧机构之前,用找正装置进行位置和倾斜角度的准确定位,确保了料位计安装的一次成功率,且安装位置和倾斜角度的调整本身非常方便;2)找正装置每次使用完毕后均可拆卸、重复使用,节省了后续安装进程,也降低了安装成本;3)可调幅的锁紧机构和找正装置的几乎所有部件均可取自施工现场的废料(钢板、角钢等),取材方便、制作简单,成本低廉 [0012] Compared with the conventional installation method, the beneficial effects of the present invention is that: 1) the non-contact type level gauge is mounted in the locking mechanism before the amplitude modulation, by the position and alignment means of the inclination angle of accurate positioning, ensuring a level gauge installed success rate, and the installation position and tilt angle adjustment itself is very convenient; 2) after completion of each alignment means are removable, reuse, save subsequent installation process, but also reduces installation costs ; 3) and a locking mechanism amplitude alignment means almost all parts are waste from construction site (steel, angle iron, etc.), easily obtained, making simple, low cost

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附图说明 BRIEF DESCRIPTION

[0013] 图Ia为料位计安装法兰的结构示意图。 [0013] FIG. Ia is a schematic structural level gauge mounting flange.

[0014] 图Ib为预安装法兰的结构示意图。 [0014] FIG. Ib is a schematic structural diagram of a pre-mounting flange.

[0015] 图2为带激光源的预安装法兰的结构示意图。 [0015] FIG. 2 is a pre-mounting flange with a structural diagram of the laser source.

[0016] 图3为可调幅的锁紧机构的结构示意图。 [0016] FIG. 3 is a schematic view of the structure of the locking mechanism may be amplitude modulated.

[0017] 图4为图3中法兰支撑杆绕轴旋转一个角度时的左视图。 [0017] FIG. 4 is a left side view of the rotational angle of a support rod of FIG. 3 the flange around the shaft.

[0018] 图5为整个料位计安装支架的结构示意图。 [0018] FIG. 5 is a schematic structural diagram of the entire level gauge mounting bracket.

[0019] 图6为图5中法兰支撑杆绕轴旋转一个角度并安装有激光源时的左视图。 [0019] FIG. 6 is a flange support rod 5 rotates about an axis and a mounting angle of view of the left laser source.

[0020] 图7为安装后的非接触式料位计的工作原理图。 [0020] FIG. 7 is a non-contact type level meter after the installation works FIG.

[0021] 图中:1 一紧固螺栓,2—观察孔,3—法兰安装孔,4一预安装法兰,5—激光源安装孔,6—支架固定座,7—激光源,8—激光源固定座,9一锁紧螺丝,10—法兰支撑杆,11 一支架调节底座,12—长孔,13—料位计安装法兰,14一安装螺孔,15—料位计安装预留孔,16-容器,17—进料口,18—出料口。 [0021] FIG: a fastening bolt 1, 2 observation hole, 3-hole mounting flange, a pre-mounting flange 4, 5 of the laser source mounting hole, the bracket holder 6-, 7- laser light source, 8 - a laser light source holder, a locking screw 9, 10 flange support bars, a stand adjustment base 11, the long hole 12-, 13- level gauge mounting flange, a mounting screw hole 14, 15 level meter reservation mounting hole, 16 container, 17-inlet, 18 discharge opening.

具体实施方式 detailed description

[0022] 以下结合附图对本发明的一个具体实施例作进一步的详细描述。 [0022] below with reference to a specific embodiment of the present invention will be further described in detail.

[0023] 如图所示,一种非接触式料位计安装方法,包括如下步骤: [0023] As illustrated, a non-contact type level gauge mounting method, comprising the steps of:

[0024] 1)制作找正装置:该找正装置包括预安装法兰4和激光源7。 [0024] 1) Preparation of alignment means: the alignment means includes a pre-mounting flange 4 and the laser source 7. 首先,测量料位计安装法兰13的直径大小及其安装螺孔14的孔径dl、孔距Ml等(如图Ia所示),据此,利用施工现场的普通钢板裁制成预安装法兰4,并保证预安装法兰4的直径大小、安装螺孔14的孔径和孔距等与相应的料位计安装法兰13尺寸相一致(如图Ib所示)。 First, a level gauge measuring the diameter of the mounting flange 13 and mounting holes 14 dl aperture, pitch and other Ml (shown in FIG. Ia), whereby the construction site using a ordinary steel plate is made of pre-cut mounting method blue 4, and to ensure that the pre-installed diameter of the flange 4, the mounting aperture 14, and the like pitch screw 13 coincides with the corresponding dimension level gauge mounting flange (shown in FIG. Ib). 在预安装法兰4的轴心处和轴心附近分别开一个激光源安装孔5和一个观察孔2,并将预安装法兰4的加工面进行打磨,以保证预安装法兰4的切割部分无毛刺。 Pre-installed in the vicinity of the flange and the axis of shaft 4, respectively, to open a laser source 5 and the mounting hole 2 a viewing aperture, and the pre-processed mounting surface of the flange 4 is polished, to ensure that pre-cut in the mounting flange 4 part no glitches. 在激光源安装孔5处插入激光源7,用施工现场废弃的45*45*5等边角钢制成激光源固定座8,激光源固定座8的一边焊接在预安装法兰4上位于激光源安装孔5旁,另一边用1. 5mm单芯铜丝固定激光源7并保证激光源7与预安装法兰4垂直。 Inserted into the mounting hole 5 of the laser source the laser source 7, made of a construction site waste edge angle 45 * 45 * 5 8 fixed base, such as laser source, laser light source side of the holder 8 is positioned the laser welding on the pre-mounting flange 4 source mounting hole 5 side, the other side with a single core wire 1. 5mm fixed laser source 7 and to ensure the pre-mounting the laser source 7 and the vertical flange 4. 激光源7采用日常生活中常见的纽扣电池式激光小电筒即可。 7 laser source using everyday common button batteries laser small flashlight can be. 制作完成后,对预安装法兰4的平面度和激光源7与预安装法兰4的同心度等进行检查,以保证其在后续使用时的准确性(如图2所示); Once created, the flatness of the laser light source and the mounting flange 4 of the 7 pre-check and the pre-mounting flange 4 concentricity to ensure the accuracy in subsequent use (Figure 2);

[0025] 制作可调幅的锁紧机构:用角钢分别制作一对法兰支撑杆10、一对支架固定座6 和一对支架调节底座11。 [0025] The locking mechanism can be made of amplitude modulation: making a pair of flanges, respectively, with angle support bars 10, a pair of brackets fixed base 6 and a pair of adjustable mounting brackets 11. 每一支架固定座6的一边用于同容器16的顶面连接,另一边通过紧固螺栓1与法兰支撑杆10的一端连接;每一支架调节底座11的一边也用于同容器16的顶面连接,另一边设有长孔12并与法兰支撑杆10另一端的长孔12通过锁紧螺丝9连接。 Each side of the bracket holder with a top surface 6 of the container 16 is connected on the other side is connected to one end of a fastening bolt 10 through the supporting rod flange; each side of the base holder 11 is also adjusted to the same container 16 the top-surface, the other side is provided with elongated holes 12 and 10 and the other end of the elongated hole 12 by a locking screw flange support rod 9 is connected. 于是,紧固螺栓1和锁紧螺丝9都松开时,每一法兰支撑杆10即可以紧固螺栓1为轴,在一定角度内转动。 Thus, when the fastening bolt and a locking screw 9 are released, i.e., each flange support bar 10 may be a fastening bolt axis, is rotated within a certain angle. 根据已测得的料位计安装法兰13的直径大小及其安装螺孔14的孔径dl、 孔距Ml等,在一对法兰支撑杆10上设置法兰安装孔3,可用于料位计安装法兰13和上述预安装法兰4的固定(如图3和图4所示); According been measured level gauge mounting flange 13 and the aperture diameter DL, like Ml pitch of the mounting holes 14, a pair of flanges disposed on the supporting rod flange mounting hole 10 3 can be used for fill level gauge mounting flange 13 fixed to the mounting flange and said pre-4 (FIGS. 3 and 4);

[0026] 2)将找正装置安装在可调幅的锁紧机构上:将预安装法兰4通过法兰安装孔3与一对法兰支撑杆10固定,且激光源7的发射端朝向法兰支撑杆10的一边(如图5和图6所示); [0026] 2) The alignment device is mounted on the locking mechanism amplitude modulation: pre-mounting flange 4 is fixed by flange mounting hole supporting rod 3 with a pair of flanges 10, and the emission end of the laser source 7 towards France Lan side support bar 10 (shown in FIG. 5 and FIG. 6);

[0027] 3)调整可调幅的锁紧机构的位置和找正装置的倾斜角度:将可调幅的锁紧机构放在容器16顶面上的料位计安装预留孔15处,使激光源7的发射端朝向料位计安装预留孔15。 [0027] 3) position of the locking mechanism can be adjusted and the inclination angle amplitude alignment means: the amplitude of the locking mechanism on the surface of the container 16 of the reserve level gauge mounting hole 15, the laser light source transmitting end 7 toward the reserve level gauge mounting hole 15. 打开激光源7,通过观察孔2或者在容器16的出料口18处观察激光源7在容器16内的照射点,同时松开紧固螺栓1和锁紧螺丝9,调整一对法兰支撑杆10的转动幅度,必要时, 通过整体移动还可微调一对法兰支撑杆10的位置,当激光源7的照射点位于容器16的出料口18时(如图7中的c线所示),锁紧紧固螺栓1和锁紧螺丝9,并将一对支架固定座6和一对支架调节底座11固定在容器16的顶面上,即固定了一对法兰支撑杆(10)的位置和转动幅度。 Open the laser source 7, or observed illumination point of the laser source 7 in the container 16 at the discharge opening 18 of the container 16 through the observation hole 2, while loosening the fastening bolt and a locking screw 9, a pair of flanges supporting the adjustment the amplitude of rotation of the rod 10, if necessary, by further moving the entire trim position a pair of flanges 10 of the support bars, when the irradiation point of the laser source 7 when the discharge opening 18 of container 16 is positioned (c line in FIG. 7 shown), and a fastening bolt lock locking screw 9, and the pair of supports 6 fixed base and a pair of adjustable mounting brackets 11 secured to the top surface of the container 16, i.e., a pair of flanges fixed to the support bars (10 ) position and rotation rate. 固定一对支架固定座6和一对支架调节底座11时,如果容器16为混凝土基础,则采取钻孔用膨胀螺栓固定的方式;如果容器16为钢结构形式,则直接用电焊焊接固定; A pair of brackets fixed to the mount 6 and a pair of adjustable mounting brackets 11 while, if the container 16 is a concrete foundation, is taken drilling expansion bolt fixed manner; If the container 16 is in the form of steel, is welded and fixed directly by welding;

[0028] 4)卸下找正装置并固定料位计:从一对法兰支撑杆10上卸下预安装法兰4,然后将料位计安装法兰13通过法兰安装孔3与一对法兰支撑杆(10)固定,且料位计天线朝向料位计安装预留孔15的一边,即完成了非接触式料位计的安装。 [0028] 4) Remove the alignment means and secured level meter: a pair of flanges from the support bars 10 to remove any pre-mounting flange 4, then the level gauge mounting flange 13 through the flange with a mounting hole 3 (10) fixed to the flange support rods, and the antenna level meter level meter mounted toward the side of the prepared hole 15, to complete the installation of non-contact type level gauge.

[0029] 日后的使用过程中,松开紧固螺栓1和锁紧螺丝9,仍可根据实际需要对料位计的倾斜角度进行调节。 [0029] for future use, loosen the locking screw and a fastening bolt 9 can still be adjusted according to actual needs of the inclination angle of the level meter.

[0030] 非接触式料位计的安装过程中还应注意如下事项。 [0030] installation of non-contact type level gauge in the following points should also be noted.

[0031] 一)如果料位计天线为圆柱形,则其末端必须至少超出容器16的壁厚10mm。 [0031] a) If an antenna level meter is cylindrical, it must exceed at least the wall thickness of the end 16 of the container 10mm.

[0032] 二)如果料位计天线为锥形,则其锥形天线部分必须超出容器16的壁厚。 [0032] b) if the level gauge tapered antenna, it must exceed the tapered portion of the antenna 16 of the container wall thickness.

[0033] 三)料位计安装法兰13与被测物料最高料位之间的距离不能小于200〜500mm, 因为该距离为料位计的测量盲区。 [0033] c) The level gauge mounting flange 13 and the distance between the highest filling level measured material can not be less than 200~500mm, because the dead zone distance is measured level gauge. 其具体数值以各型产品说明书为准。 Specific values ​​subject to various types of product specifications.

[0034] 四)料位计的接线盒出线锁紧头要拧紧,以免使水汽、灰尘和脏物进入接线盒中。 [0034] d) level meter outlet junction box to tighten the locking head, so as not to water vapor, dust and dirt into the junction box.

[0035] 五)安装于露天或是灰尘比较大的场所,在料位计的上方加装防护罩,即可保证料位计免受踩踏及碰撞损坏,也起到以防雨防尘的作用。 [0035] E) is attached to the dust or relatively large open spaces, above the level meter of the installation of protective cover to ensure the level gauge and collision damage from foot traffic, rain and dust also play a role in the .

[0036] 以上的描述仅为本发明的较佳实施例而已,显然不能以此来限定本发明的保护范围。 Described above [0036] Although the invention has preferred embodiments, it is clearly not intended to limit the scope of the present invention. 因此,依据本发明申请专利范围所作的任何等效变化,仍属于本发明的保护范围。 Thus, any equivalent variations based on the scope of the present invention patent application is made, still fall within the scope of the present invention.

Claims (3)

  1. 1. 一种非接触式料位计安装方法,其特征在于,它包括如下步骤:1)制作找正装置:制备预安装法兰G),预安装法兰的安装螺孔(14)的孔径和孔距与相应的料位计安装法兰(13)尺寸相一致,在预安装法兰(4)的轴心处垂直安装激光源(7);制作可调幅的锁紧机构:制作一对转动幅度可调的法兰支撑杆(10),在一对法兰支撑杆(10)上设置与料位计安装法兰(13)匹配的法兰安装孔(3);2)将找正装置安装在可调幅的锁紧机构上:将预安装法兰(4)通过法兰安装孔(3)与一对法兰支撑杆(10)固定,且激光源(7)的发射端朝向法兰支撑杆(10);3)调整可调幅的锁紧机构的位置和找正装置的倾斜角度:将可调幅的锁紧机构放在容器(16)顶面上的料位计安装预留孔(1¾处,使激光源(7)的发射端朝向料位计安装预留孔(15),打开激光源(7),观察激光源(7)在容器(16)内 A non-contact type level gauge is mounted, characterized in that it comprises the following steps: 1) making alignment means: preparing a pre-mounting flange G), pre-installed aperture flange mounting holes (14) and the corresponding pitch level gauge mounting flange (13) coincides size, vertically mounted the laser source (7) at the axial center of the pre-mounting flange (4); a locking mechanism can be made of amplitude modulation: making one pair rotation rate adjustable flange support bar (10), a pair of flanges disposed on the support bars (10) and the level gauge mounting flange (13) matches the flange mounting hole (3); 2) the alignment means mounted on the locking mechanism amplitude modulation: pre-mounting flange (4) (10) fixed to the mounting hole through the flange (3) and a pair of flanges supporting rod, and the laser source (7) emitting end facing method Lan support bar (10); 3) the position of the locking mechanism and the amplitude adjustment may be inclined angle alignment means: the amplitude of the locking mechanism on the container (16) level gauge mounting top surface of the prepared hole (1¾, the laser source (7) towards the transmitting end of the reservation level gauge mounting hole (15), to open the laser source (7), to observe the laser source (7) in the container (16) 照射点,同时调整一对法兰支撑杆(10)的位置和/或转动幅度,当激光源(7)的照射点位于容器(16)的出料口(18)时, 固定一对法兰支撑杆(10)的位置和转动幅度;4)卸下找正装置并固定料位计:从一对法兰支撑杆(10)上卸下预安装法兰,然后将料位计安装法兰(13)通过法兰安装孔(3)与一对法兰支撑杆(10)固定,且料位计天线朝向料位计安装预留孔(15)的一边。 When the irradiation point, while adjusting the position of a pair of flanges supporting rod (10) and / or the rotation rate, when the irradiation point of the laser source (7) of the container (16) of the discharge opening (18), a pair of flanges secured support bars (10) position and rotation rate; 4) Remove the alignment means and secured level meter: a pair of support rods Removing the flange pre-mounting flange (10), and the level meter mounting flange (13) (10) fixed to the mounting hole through the flange (3) and a pair of flanges supporting rod, and the antenna level meter level meter toward the mounting hole reserve (15) side.
  2. 2.根据权利要求1所述的一种非接触式料位计安装方法,其特征在于:所述步骤1)还包括在预安装法兰(4)上设置用于观测激光源(7)照射位置的观察孔O)的操作。 2. A non-contact type level gauge mounting method according to claim 1, wherein: said step a) further comprises a pre-irradiation provided on the mounting flange (4) for observing the laser source (7) O viewing aperture position) of the operation.
  3. 3.根据权利要求1所述的一种非接触式料位计安装方法,其特征在于:所述步骤1)还包括对预安装法兰(4)的平面度和/或激光源(7)与预安装法兰(4)的同心度进行检查的操作。 3. A non-contact type level gauge mounting method according to claim 1, wherein: said step a) further comprises pre-mounting flange flatness (4) and / or the laser source (7) check the operation of the pre-mounting flange (4) of concentricity.
CN 201010265843 2010-08-30 2010-08-30 Non-contact type level gage mounting method CN101963522B (en)

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