Non-contact flowmeter mounting device

Abstract

The utility model provides a non-contact type flowmeter installation device. Comprising a first clamping plate, a second clamping plate, a fine adjustment assembly, a locking assembly, a wave guide plate, a jacking assembly, a probe fixing frame and a limiting shaft, the first clamping plate and the second clamping plate are assembled outside a pipeline, the fine adjustment assembly and the locking assembly are assembled between the first clamping plate and the second clamping plate, and the wave guide plate is inserted in a mounting groove close to the pipeline; the upper end of the wave guide plate is sleeved with a probe fixing frame, and a jacking assembly is assembled in the first clamping plate; the upper part and the lower part of the device are connected through the limiting shaft, the locking screw is fastened, the fine adjustment nut is adjusted according to a standard value, the inner diameter of the device is made to be consistent with the outer diameter of a pipeline, the wave guide plate is pressed on the metal coupling piece through the puller bolt, and stable installation of the non-contact flow meter sensor is achieved. The device is easy to operate and convenient to disassemble, assemble and maintain, non-synchronous deviation and looseness generated by the two sensors in a long-term vibration environment are reduced, and the installation precision and the measurement precision of the non-contact flowmeter are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the auxiliary device in the ship installation technical field, in particular to non-contact flowmeter installation device. BACKGROUND

[0002] In the past, the flow of large-diameter pipeline has never been directly measured on the ship, but the pipeline flow is collected by the way of thermal parameter conversion. Nowadays, in order to improve the measurement accuracy and response speed, the medium flow in the large-diameter pipeline needs to be directly measured, and it can work stably in the long-time impact and swing environment.

[0003] To solve the above problems, a stable non-contact measurement method needs to be used. At present, the non-contact flowmeter is two sensors, which are independently installed by Z type installation method. The traditional Z type installation method first determines the upstream sensor position according to the upstream straight pipe length, then marks the downstream sensor position by using ruler and clamp according to the measurement distance requirement, and finally fixes the two sensors by clamp. In this process, there is a certain installation error in measurement and installation, and at the same time, in the long-term vibration environment, the pipeline will drive the two sensors to produce non-synchronous deviation and looseness, which affects the measurement accuracy.

[0004] Therefore, how to design and use adjustable special installation fixture and installation method to fix and install non-contact flowmeter and improve subsequent measurement accuracy has become a problem to be solved. SUMMARY

[0005] In order to improve the measurement accuracy of non-contact flowmeter, the utility model provides non-contact flowmeter installation device. The device uses fixture, and adopts fixture assembly, fixture and pipeline fixation, high temperature waveguide plate and sensor part installation, ultrasonic sensor and high temperature waveguide plate fixation, and thermal insulation cotton covering steps to control the distance between the two sensors, realize the improvement of non-contact flowmeter measurement accuracy, and solve the technical problem that the two sensors produce non-synchronous deviation and looseness in long-term vibration environment, which affects the measurement accuracy.

[0006] The utility model adopts the following solutions to solve the technical problems:

[0007] The non-contact flowmeter mounting device comprises: a first clamping plate arranged on one side of the periphery of the pipeline to be measured, which is designed in a double-layer structure and has a mounting groove near the pipeline, and a first supporting sleeve is arranged between the double-layer structure for support; a second clamping plate arranged on the other side of the periphery of the pipeline to be measured, which is designed in a double-layer structure and has a second supporting sleeve arranged between the double-layer structure for support; a fine adjustment assembly assembled at one end of the rear side of the first clamping plate and at the other end of the rear side of the second clamping plate, used for fine adjustment of the distance between the first clamping plate and the second clamping plate; a locking assembly assembled at one end of the front side of the first clamping plate and at the other end of the front side of the second clamping plate, used for locking the device on the periphery of the pipeline to be measured; a waveguide plate inserted at one end into the inside of the mounting groove and extended upward at the other end; a jacking assembly assembled in the first clamping plate, placed at one end outside the first clamping plate and extended to the waveguide plate at the other end and used for jacking the side wall of the waveguide plate against the outer wall of the pipeline to be measured; and a probe fixing frame sleeved on the upper end of the waveguide plate, with the front end used for fixing the sensor of the non-contact flowmeter; wherein the first clamping plate, the second clamping plate, the fine adjustment assembly, the locking assembly, the waveguide plate, the jacking assembly and the probe fixing frame constitute the upper half of the device, the lower half of the device is the same structure as the upper half and is arranged in a central symmetry, and the two are connected by a limiting shaft.

[0008] The fine adjustment assembly comprises: a fine adjustment screw rod assembled at one end in the double-layer structure of the first clamping plate and at the other end in the double-layer structure of the second clamping plate; and a fine adjustment nut sleeved on the periphery of the fine adjustment screw rod, used for controlling the extension length of the fine adjustment screw rod.

[0009] The locking assembly comprises: a locking screw rod arranged on the opposite side of the fine adjustment screw rod, assembled at one end in the double-layer structure of the first clamping plate and extended to the second clamping plate at the other end and vertically provided with a through hole; and a rotating shaft passed through the double-layer structure of the second clamping plate and assembled in the through hole of the locking screw rod.

[0010] The contact part between the waveguide plate and the pipeline to be measured is provided with a metal coupling sheet, used for strengthening the conduction effect of the waveguide plate and improving the measurement accuracy.

[0011] The locking assembly comprises a square nut fixed in the double-layer structure of the first clamping plate, a jacking bolt assembled in the square nut, one end of which is placed outside the first clamping plate and the other end of which extends to the waveguide plate and jacks up the waveguide plate, and an elastic plate arranged between the jacking bolt and the waveguide plate, which is used for buffering the force of the jacking bolt to avoid damage to the waveguide plate.

[0012] Positive effects:

[0013] The first clamping plate and the second clamping plate are assembled on the two sides of the periphery of the pipeline to be measured, the fine adjustment assembly and the locking assembly are assembled between the two clamping plates, the waveguide plate is inserted into the mounting groove of the first clamping plate close to the pipeline, the probe fixing frame is sleeved on the upper end of the waveguide plate, and the jacking assembly is assembled in the interior of the first clamping plate. The upper and lower parts of the device are connected through the limiting shaft, the nut on the locking screw is fastened, the first clamping plate and the second clamping plate are locked on the periphery of the pipeline to be measured, the distance between the two clamping plates is measured, if the standard value does not meet the technical requirements, the fine adjustment nut is adjusted, so that the inner diameter of the device is consistent with the outer diameter of the pipeline to be measured, the jacking bolt is used to jack up the waveguide plate, the waveguide plate is completely pressed on the metal coupling sheet, and the sensor is installed on the probe fixing frame, so that the stable installation of the upper and lower sensors of the non-contact flowmeter is realized. The device is simple and convenient to operate, easy to disassemble and maintain, reduces the non-synchronous deviation and loosening of the two sensors in the long-term vibration environment, effectively improves the installation precision and measurement precision of the non-contact flowmeter, and is suitable for use as a non-contact flowmeter installation device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the embodiment of the application;

[0015] Figure 2 It is a front view of the embodiment of the application;

[0016] Figure 3 It is a bottom view of the embodiment of the application;

[0017] Figure 4 It is a schematic diagram of the installation of the thermal insulation cotton of the embodiment of the application.

[0018] In the figure:

[0019] 10. The first clamping plate,

[0020] 11. The mounting groove,

[0021] 12. The first support sleeve;

[0022] 20. The second clamping plate,

[0023] 21. The second support sleeve;

[0024] 30. fine adjustment assembly,

[0025] 31. fine adjustment screw,

[0026] 32. fine adjustment nut;

[0027] 40. locking assembly,

[0028] 41. locking screw,

[0029] 42. rotating shaft;

[0030] 50. waveguide plate,

[0031] 51. metal coupling sheet;

[0032] 60. tightening assembly,

[0033] 61. square nut,

[0034] 62. tightening bolt,

[0035] 63. elastic plate;

[0036] 70. probe fixing frame;

[0037] 80. limiting shaft. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0039] As shown in the figure, the non-contact flowmeter mounting device comprises:

[0040] The first clamping plate 10 is designed in a double-layer structure, arranged on one side of the periphery of the pipeline to be measured, and an installation groove 11 is formed near the pipeline, and a first support sleeve 12 for support is arranged between the double-layer structure;

[0041] The second clamping plate 20 is designed in a double-layer structure, arranged on the other side of the periphery of the pipeline to be measured, and a second support sleeve 21 for support is arranged between the double-layer structure;

[0042] Fine-tuning assembly 30, one end is assembled to the rear side of the first clamping plate 10, the other end is assembled to the rear side of the second clamping plate 20, for fine-tuning the distance between the first clamping plate 10 and the second clamping plate 20;

[0043] Locking assembly 40, one end is assembled to the front side of the first clamping plate 10, the other end is assembled to the front side of the second clamping plate 20, for locking the device on the periphery of the pipe to be measured;

[0044] Waveguide plate 50, one end is inserted into the inside of the mounting groove 11, the other end extends upward;

[0045] Tightening assembly 60, assembled to the inside of the first clamping plate 10, one end is placed outside the first clamping plate 10, the other end extends to the waveguide plate 50 and tightens the side wall of the waveguide plate 50 on the outer wall of the pipe to be measured;

[0046] Probe fixing bracket 70, sleeved on the upper end of the waveguide plate 50, the front end is used for fixing the sensor of the non-contact flowmeter;

[0047] Among them, the first clamping plate 10, the second clamping plate 20, the fine-tuning assembly 30, the locking assembly 40, the waveguide plate 50, the tightening assembly 60 and the probe fixing bracket 70 are constructed as the upper half of the device, the lower half of the device is the same structure as the upper half and is arranged in central symmetry, the two are connected by the limiting shaft 80, the limiting shaft 80 is designed as a stepped shaft structure, and the two ends are arranged through the first support sleeve 12 and the second support sleeve 21 respectively.

[0048] Specifically, the first clamping plate 10 is designed with a double-layer structure and is arranged on one side of the periphery of the pipe to be measured. The first supporting sleeve 12 is fixedly arranged between the upper and lower layers by welding, and a accommodating space is supported and constructed by the first supporting sleeve 12. The mounting groove 11 is opened at a position close to the pipe to be measured for plugging and assembling the waveguide plate 50; the second clamping plate 20 is also designed with a double-layer structure and is arranged on the other side of the periphery of the pipe to be measured. The second supporting sleeve 21 is fixedly arranged between the upper and lower layers by welding, and another accommodating space is supported and constructed by the second supporting sleeve 21; One end of the fine-tuning assembly 30 is assembled to the rear side of the first clamping plate 10 by means of bolt connection, and the other end is assembled to the rear side of the second clamping plate 20 by means of bolt connection, and both are arranged between the double-layer structures of the two, for fine-tuning the horizontal distance between the first clamping plate 10 and the second clamping plate 20; one end of the locking assembly 40 is assembled to the front side of the first clamping plate 10 by means of bolt connection and is arranged between the double-layer structures of the first clamping plate 10, and the other end is assembled through the double-layer structure of the second clamping plate 20 and is arranged on the front side of the second clamping plate 20, for The device is locked to the periphery of the pipe to be measured; one end of the waveguide plate 50 is plugged into the inside of the mounting groove 11, and the other end extends vertically upward; the tightening assembly 60 is fastened to the inside of the side wing of the first clamping plate 10 by two sets of bolts and nuts, one end of which is placed on the outside of the first clamping plate 10, and the other end extends toward the waveguide plate 50 and tightens its side wall to the outer wall of the pipe to be measured; the probe fixing bracket 70 is set on the upper end of the waveguide plate 50, and is close to the front end of the pipe to be measured for fixing the sensor of the non-contact flow meter; wherein, the first clamping plate 10 and the second clamping plate 20. The fine-tuning assembly 30, the locking assembly 40, the waveguide plate 50, the tightening assembly 60 and the probe fixing frame 70 constitute the upper half of the device. The lower half of the device has the same structure as its upper half and is arranged in a central symmetrical manner. The two are assembled and connected by the limiting shaft 80. The limiting shaft 80 is designed as a stepped shaft structure, and its two ends are respectively arranged through the first support sleeve 12 and the second support sleeve 21, and are locked with nuts at the top and bottom ends respectively. The length of the middle section of the limiting shaft 80 determines the vertical distance between the first clamping plate 10 and the second clamping plate 20.

[0049] The fine-tuning component 30 includes:

[0050] A fine-tuning screw 31, one end of which is assembled in the double-layer structure of the first clamping plate 10, and the other end of which is assembled in the double-layer structure of the second clamping plate 20;

[0051] The fine adjustment nut 32 is sleeved on the periphery of the fine adjustment screw rod 31 to control the telescopic length of the fine adjustment screw rod 31.

[0052] Specifically, one end of the fine adjustment screw rod 31 is fixedly assembled in the double-layer structure of the first clamping plate 10 by means of bolt connection, and the other end is fixedly assembled in the double-layer structure of the second clamping plate 20 by means of bolt connection; the fine adjustment nut 32 is sleeved on the periphery of the fine adjustment screw rod 31, and the telescopic length of the fine adjustment screw rod 31 is controlled by rotating the fine adjustment nut 32, so as to adjust the distance between the first clamping plate 10 and the second clamping plate 20; when the distance changes by 1 mm, the fine adjustment nut 32 rotates by 180 degrees.

[0053] The locking assembly 40 comprises:

[0054] The locking screw rod 41 is arranged on the opposite side of the fine adjustment screw rod 31, one end is assembled in the double-layer structure of the first clamping plate 10, and the other end extends to the second clamping plate 20 and vertically opens a through hole;

[0055] The rotating shaft 42 is assembled in the through hole of the locking screw rod 41 through the double-layer structure of the second clamping plate 20.

[0056] Specifically, the locking screw rod 41 is arranged on the opposite side of the fine adjustment screw rod 31, i.e. the front side of the first clamping plate 10, one end is assembled in the double-layer structure of the first clamping plate 10 by means of bolt connection, and the other end extends to the second clamping plate 20 and vertically opens a through hole; the rotating shaft 42 is arranged through the double-layer structure of the front side of the second clamping plate 20, and the upper and lower ends are locked by nuts, wherein the outer diameter of the middle part is matched with the size of the through hole of the locking screw rod 41 and is movably assembled in the through hole, so that the first clamping plate 10 rotates in the horizontal direction with the rotating shaft 42 as the shaft, and the distance between the first clamping plate 10 and the second clamping plate 20 is adjusted by the fine adjustment assembly 30.

[0057] The contact part between the waveguide plate 50 and the pipeline to be measured is provided with a metal coupling sheet 51, which is used to strengthen the conduction effect of the waveguide plate 50 and improve the measurement accuracy.

[0058] Specifically, the metal coupling sheet 51 is attached to the side wall of the waveguide plate 50 close to the pipeline to be measured, and the torque value used for completely pressing the waveguide plate 50 is in the range of (10~15) N×m, which is used to strengthen the conduction effect of the waveguide plate 50 and improve the measurement accuracy.

[0059] The locking assembly 40 comprises:

[0060] The square nut 61 is fixedly arranged in the double-layer structure of the first clamping plate 10.

[0061] A top bolt 62 is assembled in the square nut 61, one end of which is placed outside the first clamping plate 10, and the other end extends to the waveguide plate 50 and tightens it;

[0062] An elastic plate 63 is arranged between the top bolt 62 and the waveguide plate 50, which buffers the force of the top bolt 62 and avoids damage to the waveguide plate 50.

[0063] Specifically, the square nut 61 is fixedly arranged in the double-layer structure of the first clamping plate 10 by welding, and its height is matched with the height of the first support sleeve 12; the top bolt 62 is assembled in the square nut 61 by bolt connection, one end of which is placed outside the first clamping plate 10, and the other end extends to the waveguide plate 50 and tightens it; the elastic plate 63 is arranged between the top bolt 62 and the waveguide plate 50, and is fastened and assembled in the inside of the side wing of the first clamping plate 10 by two sets of bolt and nut groups, which buffers the force of the top bolt 62 and avoids damage to the waveguide plate 50; the top bolt 62 pushes the elastic plate 63 to the direction of the pipeline to be measured, and then tightens the side wall of the waveguide plate 50 to the outer wall of the pipeline to be measured.

[0064] The characteristics of the embodiment are:

[0065] In the embodiment, the first clamping plate 10 and the second clamping plate 20 are assembled on the two sides of the outer periphery of the pipeline to be measured, the fine adjustment assembly 30 and the locking assembly 40 are assembled between the two, the waveguide plate 50 is inserted and assembled in the mounting groove 11 of the first clamping plate 10 close to the pipeline, the probe fixing frame 70 is sleeved on the upper end of the waveguide plate 50, and the tightening assembly 60 is assembled in the inside of the first clamping plate 10. In actual use, the upper and lower parts of the device are connected by the limiting shaft 80, the nut on the locking screw 41 is fastened, the first clamping plate 10 and the second clamping plate 20 are locked on the outer periphery of the pipeline to be measured, the distance between the two is measured, if the standard value does not meet the technical requirements, the fine adjustment nut 32 is adjusted, so that the inner diameter of the device is consistent with the outer diameter of the pipeline to be measured, the top bolt 62 tightens the waveguide plate 50, so that it is completely pressed on the metal coupling sheet 51, and the sensor is installed on the probe fixing frame 70, realizing the stable installation of the upper and lower sensors of the non-contact flowmeter. Through this technical scheme, the non-synchronous deviation and looseness of the two sensors in the long-term vibration environment are reduced, the installation precision and measurement precision of the non-contact flowmeter are effectively improved, the device is simple and convenient to operate, easy to disassemble, maintain and improve the working efficiency of workers and reduce the construction cost.

[0066] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. Non-contact flow meter installation device, characterized by: include: The first clamping plate (10) is designed as a double-layer structure and is arranged on one side of the outer periphery of the pipe to be measured. A mounting groove (11) is provided near the pipe, and a first supporting sleeve (12) is provided between the double-layer structure for support; The second clamping plate (20) is designed as a double-layer structure and is arranged on the other side of the periphery of the pipe to be measured, and a second supporting sleeve (21) is provided between the double-layer structure for support; a fine-tuning assembly (30), one end of which is assembled on the rear side of the first clamping plate (10) and the other end of which is assembled on the rear side of the second clamping plate (20), and is used to fine-tune the distance between the first clamping plate (10) and the second clamping plate (20); A locking assembly (40), one end of which is assembled on the front side of the first clamping plate (10) and the other end of which is assembled on the front side of the second clamping plate (20), and is used to lock the device on the periphery of the pipe to be measured; A waveguide plate (50), one end of which is inserted into the interior of the mounting groove (11) and the other end of which extends upward; a tightening assembly (60) assembled inside the first clamping plate (10), with one end placed outside the first clamping plate (10) and the other end extending toward the waveguide plate (50) to tighten its side wall against the outer wall of the pipe to be measured; and A probe fixing frame (70) is sleeved on the upper end of the waveguide plate (50), and its front end is used to fix the sensor of the non-contact flow meter; The first clamping plate (10), the second clamping plate (20), the fine-tuning assembly (30), the locking assembly (40), the waveguide plate (50), the tightening assembly (60) and the probe fixing frame (70) constitute the upper half of the device, and the lower half of the device has the same structure as the upper half and is arranged in a central symmetrical manner. The two are assembled and connected by a limiting shaft (80). The limiting shaft (80) is designed as a stepped shaft structure, and its two ends are respectively arranged through the first support sleeve (12) and the second support sleeve (21).

2. The non-contact flow meter installation device according to claim 1, characterized in that: The fine-tuning component (30) comprises: a fine-tuning screw (31), one end of which is assembled in the double-layer structure of the first clamping plate (10), and the other end of which is assembled in the double-layer structure of the second clamping plate (20); and A fine-tuning nut (32) is sleeved on the periphery of the fine-tuning screw (31) and is used to control the telescopic length of the fine-tuning screw (31).

3. The non-contact flow meter installation device according to claim 2, characterized in that: The locking assembly (40) comprises: A locking screw (41) is arranged on the opposite side of the fine-tuning screw (31), one end of which is assembled in the double-layer structure of the first clamping plate (10), and the other end of which extends toward the second clamping plate (20) and has a vertical through hole; and The rotating shaft (42) passes through the double-layer structure of the second clamping plate (20) and is assembled in the through hole of the locking screw (41).

4. The non-contact flow meter installation device according to claim 1, characterized in that: A metal coupling piece (51) is arranged at the contact portion between the waveguide plate (50) and the pipe to be measured, for enhancing the conduction effect of the waveguide plate (50), thereby improving measurement accuracy.

5. The non-contact flow meter installation device according to claim 1, characterized in that: The locking assembly (40) comprises: A square nut (61) is fixedly mounted in the double-layer structure of the first clamping plate (10); a tightening bolt (62) assembled in the square nut (61), with one end placed outside the first clamping plate (10) and the other end extending toward the waveguide plate (50) to tighten it; and An elastic plate (63) is provided between the tightening bolt (62) and the waveguide plate (50) and is used to buffer the force of the tightening bolt (62) to prevent it from causing damage to the waveguide plate (50).

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