A docking mounting structure for a flow meter

Abstract

The application belongs to the technical field of flow meter installation, in particular to a butt joint installation structure of a flow meter, which is used for realizing butt joint between a bend pipe, a flow meter at the top of the bend pipe and an upper pipe at the top of the flow meter, and comprises a supporting mechanism, a righting mechanism arranged at the top of the supporting mechanism, and clamping mechanisms symmetrically arranged at the upper and lower ends of the righting mechanism, wherein the clamping mechanisms and the righting mechanism cooperate to clamp the bend pipe and the upper pipe. The righting mechanism is arranged to insert a limiting assembly into a flange where the bend pipe is connected with the flow meter, so that the bend pipe is kept stable and aligned with the bottom axis of the flow meter, which facilitates workers to install the flow meter on the upper and lower connected pipes, ensures the alignment of the axes between the upper and lower connected pipes and the flow meter, improves the installation efficiency of the workers, reduces the number of workers for operation and installation, avoids the direct contact of the workers with the pipes for adjustment due to the large size and roundness of the pipes, and improves the safety of construction.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of flow meter installation, and particularly relates to a butt joint installation structure of a flow meter. BACKGROUND

[0002] The flow meter is also called a flow meter, which is used for measuring the flow of fluid (the volume of fluid passing through per unit time) in a pipeline, measuring the instantaneous flow and cumulative volume of liquid, and can also control the quantity of liquid, has the characteristics of high precision, long service life, simple operation and maintenance, etc., and is mainly applied to industrial production process, energy metering, environmental protection engineering, transportation, biotechnology, scientific experiment, ocean weather, rivers and lakes, etc. Common flow meters include electromagnetic flow meters, rotor flow meters, ultrasonic flow meters, vortex flow meters, mass flow meters, etc. The flow meter is widely used in medium flow detection in liquid delivery to ensure that the medium flow is controlled within a proper range.

[0003] In the installation structure of the flow meter, the basic requirement is sealed installation and convenient assembly. In the installation process of the flow meter in the prior art, multiple people need to hold and support, and then multiple installation tools are used to butt joint the flanges at both ends of the flow meter and the flanges of the connecting pipes on both sides. Since multiple people work at the same time, the connecting pipes are usually long and large, and it is difficult to ensure accurate mutual alignment when the workers manually hold and support the connecting pipes and assemble the butt joint structure. The alignment and installation process is time-consuming and laborious. SUMMARY

[0004] In view of the defects of the prior art, the technical scheme adopted by the application to solve the technical problems is: a butt joint installation structure of a flow meter, which is used for realizing butt joint between a bend pipe, a flow meter at the top of the bend pipe and an upper pipe at the top of the flow meter, and comprises:

[0005] A supporting mechanism, a righting mechanism is arranged at the top of the supporting mechanism;

[0006] A clamping mechanism, the clamping mechanisms are symmetrically arranged at the upper and lower ends of the righting mechanism, and the clamping mechanisms cooperate with the righting mechanism to realize clamping of the bend pipe and the upper pipe;

[0007] The righting mechanism comprises:

[0008] A lower shell, the outer wall of the lower shell is sleeved with the outer wall of the supporting mechanism;

[0009] An upper shell, the bottom of the upper shell is rotationally connected with the top of the lower shell;

[0010] A limiting assembly, the limiting assemblies are symmetrically arranged on the inner wall of the upper shell;

[0011] An alignment assembly is arranged in the middle of the inner wall of the upper shell;

[0012] The limiting assembly comprises:

[0013] A fixing frame is symmetrically arranged on the inner wall of the upper shell;

[0014] A guide rod is arranged on the inner wall of the fixing frame, and air holes are arranged at both ends of the guide rod;

[0015] An inflation ring is arranged on the outer wall of the guide rod, the inner wall of the inflation ring is connected with the inner wall of the guide rod, and a one-way hole is arranged on the side of the guide rod close to the inflation ring;

[0016] The limiting assembly further comprises:

[0017] Two air supply pipes are symmetrically arranged, and the air supply pipes are arranged at both ends of the guide rod;

[0018] An air bag is arranged at the end of the air supply pipe away from the guide rod;

[0019] When the upper shell is kept in a horizontal state, the flow meter is placed on the alignment assembly, the upper pipe is placed at the end of the upper shell away from the alignment assembly, so that the outer wall of the upper pipe is fixed by the upper shell and the upper clamping mechanism, then the guide rod is inserted into the flange of the upper pipe and the flange of the flow meter, and the upper air supply pipe passes through the flange of the upper pipe and the flange of the flow meter;

[0020] After confirming that the axis of the upper pipe is aligned with the axis of the flow meter through the alignment assembly, the upper pipe is fixed with the flow meter except for the flange screw holes of the guide rod, then the upper shell is rotated upward to coincide with the lower shell, the bottom of the flow meter is aligned with the top of the elbow pipe fixed by the lower shell and the lower clamping mechanism, then the guide rod is inserted into the flange at the top of the elbow pipe, so that the axis of the elbow pipe coincides with the flow meter, at this time the worker inflates the inflation ring by pressing the air bag, so that the guide rod and the fixing frame are fixed.

[0021] Further, the supporting mechanism comprises:

[0022] A support is arranged at the top of the support, and the outer wall of the support is connected with the inner wall of the righting mechanism.

[0023] A sleeve rod is symmetrically arranged at the top of the support, and the outer wall of the sleeve rod is connected with the inner wall of the righting mechanism.

[0024] Further, the righting mechanism further comprises:

[0025] An air cylinder is arranged on the back of the lower shell, and the top of the air cylinder is rotatably connected with the outer wall of the lower shell.

[0026] a base plate, an outer wall of the base plate being rotationally connected to a bottom of the cylinder;

[0027] a rotating plate, the rotating plate being symmetrically arranged on an outer wall of the lower shell, an outer wall of the rotating plate being rotationally connected to the outer wall of the lower shell, and the rotating plate being used for limiting rotation of the upper shell.

[0028] Further, the righting mechanism further comprises:

[0029] a second telescopic column, the second telescopic column being uniformly arranged on an inner wall of the upper shell in a ring direction;

[0030] a clamping block, the clamping block being arranged on a top of the second telescopic column, an outer wall of the clamping block being in contact with the inner wall of the upper shell;

[0031] an infrared receiver, the infrared receiver being arranged on a side of the clamping block close to the alignment assembly.

[0032] Further, the clamping mechanism comprises:

[0033] a clamping ring, an outer wall of the clamping ring being rotationally connected to an outer wall of the righting mechanism;

[0034] a sleeve, the sleeve being uniformly arranged on the outer wall of the clamping ring in a ring direction, an inner wall of the sleeve being uniformly provided with a limiting slot in an axial direction;

[0035] a connecting rod, an outer wall of the connecting rod being sleeved with an inner wall of the clamping ring.

[0036] Further, the clamping mechanism further comprises:

[0037] a rotating block, a bottom of the rotating block being rotationally connected to a top of the connecting rod, an outer wall of the rotating block being provided with a protrusion, the protrusion being inserted into the limiting slot inside the sleeve;

[0038] a U-shaped rod, the U-shaped rod being installed on a top of the rotating block;

[0039] a cushion block, the cushion block being installed on a bottom of the connecting rod, an outer wall of the cushion block being in contact with the inner wall of the clamping ring.

[0040] Further, the limiting assembly comprises:

[0041] a fixing frame, the fixing frame being symmetrically arranged on an inner wall of the upper shell;

[0042] a guide rod, the guide rod being installed on an inner wall of the fixing frame, two ends of the guide rod being provided with air holes;

[0043] an inflation ring, the inflation ring being arranged on an outer wall of the guide rod, an inner wall of the inflation ring being connected to the inner wall of the guide rod, a side of the guide rod close to the inflation ring being provided with a one-way hole.

[0044] Further, the limiting assembly further comprises:

[0045] The gas conveying pipe is symmetrically provided with two, which is arranged at both ends of the guide rod;

[0046] The air bag is arranged at one end of the gas conveying pipe away from the guide rod.

[0047] Further, the alignment assembly comprises:

[0048] The first telescopic column is mounted on the middle part of the inner wall of the upper shell;

[0049] The arc-shaped plate is mounted on the top of the first telescopic column.

[0050] Further, the alignment assembly further comprises:

[0051] The infrared emitter is symmetrically arranged at the upper and lower ends of the arc-shaped plate;

[0052] The clamping rod is uniformly arranged on the inner wall of the arc-shaped plate, and the bottom of the clamping rod is rotationally connected with the inner wall of the arc-shaped plate.

[0053] The beneficial effects of the present application are as follows:

[0054] 1. The present application sets up the righting mechanism, the limiting assembly is inserted into the flange where the elbow pipe is connected with the flowmeter, so that the elbow pipe is kept stable and aligned with the bottom axis of the flowmeter, then the screw is inserted into the flange plate for pre-fixing, finally the limiting assembly is pulled out, and all the screws are tightened, which is convenient for workers to install the flowmeter on the upper and lower connected pipelines, ensures the alignment of the axis between the upper and lower connected pipelines and the flowmeter, improves the installation efficiency of workers, reduces the number of workers for operation and installation, avoids the direct contact of workers with the pipeline for adjustment due to the large and round pipeline, and improves the safety of construction.

[0055] 2. The present application sets up the clamping mechanism, so that the axis of the upper pipe is kept consistent with the axis of the flowmeter, then the worker manually rotates the U-shaped rod, so that the U-shaped rod drives the gasket below the connecting rod to approach the pipeline and forms extrusion, the U-shaped rod drives the rotating block to be inserted into the limiting slot in the sleeve, so that the gasket is clamped on the outer wall of the pipeline and wrapped with the clamping block to clamp the upper pipe, so that the pipeline keeps the same axis, which assists the worker to install and reduces the difficulty of manual adjustment of the worker.

[0056] 3. The application sets the limiting assembly, the guide rod can be inserted into the flange, indicating that the flow meter and the axis of the elbow pipe are small, and the pipeline can be further limited, avoiding the offset of the pipeline after the clamping mechanism fixes the pipeline, increasing the displacement limit of the pipeline, and after fine adjustment, the operation of installing the flow meter on the upper and lower pipelines can be quickly completed, reducing the difficulty of manual alignment and adjustment work.

[0057] 4. The application sets the alignment assembly, so that the axis of the flow meter is aligned with the axis of the arc-shaped plate, and also ensures that the axis of the arc-shaped plate corresponds to the arrangement position of the infrared emitter, so that when the signal of the infrared emitter and the infrared receiver is connected, it indicates that the axis of the pipeline and the flow meter is consistent, which is convenient for workers to quickly judge whether the axis is aligned, reduces the labor consumption of workers manually aligning the pipeline, and more intuitively judges whether the pipeline is aligned before tightening the screw, avoiding the need for secondary disassembly and delaying the work process. BRIEF DESCRIPTION OF DRAWINGS

[0058] Figure 1 is a structural schematic view of the application;

[0059] Figure 2 is a rear view of the application;

[0060] Figure 3 is a structural schematic view of the supporting mechanism of the application;

[0061] Figure 4 is a structural schematic view of the righting mechanism of the application;

[0062] Figure 5 is a partial structural schematic view of the righting mechanism of the application;

[0063] Figure 6 is a structural schematic view of the clamping mechanism of the application;

[0064] Figure 7 is a structural schematic view of the application Figure 6 at A;

[0065] Figure 8 is a structural schematic view of the limiting assembly of the application;

[0066] Figure 9 is a structural schematic view of the alignment assembly of the application.

[0067] In the figure: 1, support mechanism; 101, support; 102, sleeve rod; 103, roller; 2, elbow; 3, flow meter; 4, upper pipe; 5, centralizing mechanism; 501, lower shell; 502, air cylinder; 503, pad plate; 504, rotating plate; 505, upper shell; 506, limiting assembly; 5061, fixed frame; 5062, guide rod; 5063, air hole; 5064, inflatable ring; 5065, one-way hole; 5066, gas conveying pipe; 5067, air bag; 507, alignment assembly; 5071, first telescopic column; 5072, arc plate; 5073, infrared emitter; 5074, clamping rod; 508, second telescopic column; 509, clamping block; 510, infrared receiver; 6, clamping mechanism; 601, clamping ring; 602, sleeve; 603, limiting groove; 604, U-shaped rod; 605, rotating block; 606, protrusion; 607, connecting rod; 608, pad block. DETAILED DESCRIPTION

[0068] The application will be further described below in conjunction with the drawings and specific embodiments. The embodiments of the application are given for illustrative and descriptive purposes only, and are not exhaustive or limiting of the application. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

[0069] Embodiment 1, please refer to Figures 1-7 The application provides a technical solution: a docking installation structure of a flow meter, for realizing the docking between an elbow 2, a flow meter 3 at the top of the elbow 2, and an upper pipe 4 at the top of the flow meter 3, comprising:

[0070] A support mechanism 1, the top of the support mechanism 1 is provided with a centralizing mechanism 5;

[0071] A clamping mechanism 6, the clamping mechanism 6 is symmetrically arranged at the upper and lower ends of the centralizing mechanism 5, and the clamping mechanism 6 cooperates with the centralizing mechanism 5 to realize the clamping of the elbow 2 and the upper pipe 4;

[0072] In work, the upper pipe 4 and the flow meter 3 are placed inside the centralizing mechanism 5, the upper half of the centralizing mechanism 5 is in a horizontal state initially, then the upper pipe 4 and the top of the flow meter 3 are installed, then the support mechanism 1 is pushed to make the elbow 2 clamped at the lower half of the centralizing mechanism 5 and fixed, and after the upper pipe 4 and the elbow 2 are fixed at both ends of the centralizing mechanism 5 by the clamping mechanism, the centralizing mechanism 5 is combined to make the bottom of the flow meter 3 installed with the top of the elbow 2.

[0073] The support mechanism 1 comprises:

[0074] The bracket 101 is provided with symmetrical rollers 103 at the bottom thereof, and the outer wall of the roller 103 is rotationally connected with the inner wall of the bracket 101.

[0075] The sleeve rod 102 is provided at the top of the bracket 101 in a symmetrical manner, and the outer wall of the sleeve rod 102 is sleeved with the inner wall of the centralizing mechanism 5.

[0076] The centralizing mechanism 5 comprises:

[0077] The lower shell 501 is sleeved with the outer wall of the supporting mechanism 1;

[0078] The upper shell 505 is rotationally connected with the top of the lower shell 501;

[0079] The limiting assembly 506 is provided on the inner wall of the upper shell 505 in a symmetrical manner;

[0080] The alignment assembly 507 is provided on the middle portion of the inner wall of the upper shell 505.

[0081] The centralizing mechanism 5 further comprises:

[0082] The air cylinder 502 is provided on the back of the lower shell 501, and the top of the air cylinder 502 is rotationally connected with the outer wall of the lower shell 501;

[0083] The backing plate 503 is rotationally connected with the bottom of the air cylinder 502;

[0084] The rotating plate 504 is provided on the outer wall of the lower shell 501 in a symmetrical manner, and the outer wall of the rotating plate 504 is rotationally connected with the outer wall of the lower shell 501, so as to limit the rotation of the upper shell 505.

[0085] The centralizing mechanism 5 further comprises:

[0086] The second telescopic column 508 is provided on the inner wall of the upper shell 505 in a uniform manner along the circumferential direction;

[0087] The clamping block 509 is provided on the top of the second telescopic column 508, and the outer wall of the clamping block 509 is in contact with the inner wall of the upper shell 505. The clamping block 509 is made of rubber material with high hardness. Since the second telescopic column 508 is arranged in a manner that the axis of the alignment assembly 507 is taken as the center, the clamping block 509 can adjust the pipes with different diameters on the same axis, so that the pipes with different specifications are in contact with the clamping block 509 and fixed to keep the same axis.

[0088] The infrared receiver 510 is provided on the side of the clamping block 509 close to the alignment assembly 507.

[0089] In use, first rotate the rotating plate 504 by 180 degrees downward, separate the upper shell 505 from the lower shell 501, and place the upper shell 505 horizontally. Then place the flowmeter 3 and the upper pipe 4 inside the upper pipe 4. The alignment assembly 507 clamps the flowmeter 3, the clamping mechanism 6 on the outer wall of the upper shell 505 clamps the upper pipe 4, and the cooperation of the limiting assembly 506 makes the alignment assembly 507 keep the axis of the upper pipe 4 aligned with the flowmeter 3. Then install the upper pipe 4 and the flowmeter 3.

[0090] After the installation of the upper pipe 4 and the flowmeter 3 is completed, the lower shell 501 cooperates with the clamping mechanism 6 to fix the outer wall of the elbow pipe 2. Then the worker uses external force to rotate the upper shell 505 together with the upper pipe 4 and the flowmeter 3 by 90 degrees. When the rotating plate 504 rotates to contact the upper shell 505, it remains stationary. At this time, the upper shell 505 and the lower shell 501 keep the axis of the elbow pipe 2 aligned with the upper pipe 4, and also ensure that the flowmeter 3 is aligned with the top of the elbow pipe 2. Then insert the limiting assembly 506 into the flange where the elbow pipe 2 and the flowmeter 3 are connected, so that the elbow pipe 2 remains stable and aligned with the bottom axis of the flowmeter 3. Then insert the screws into the flange for pre-fixing. Finally, pull out the limiting assembly 506 and tighten all the screws. This facilitates the worker to install the flowmeter 3 on the upper and lower connected pipes, ensures the axis alignment between the upper and lower connected pipes and the flowmeter 3, improves the installation efficiency of the worker, reduces the number of workers operating and installing, avoids the difficulty of applying force to the pipe which is large and round, and improves the safety of construction.

[0091] The clamping mechanism 6 comprises:

[0092] The clamping ring 601 is rotationally connected to the outer wall of the centralizing mechanism 5;

[0093] The sleeve 602 is uniformly arranged on the outer wall of the clamping ring 601 in the ring direction, and the inner wall of the sleeve 602 is uniformly provided with a limiting groove 603 in the axial direction;

[0094] The connecting rod 607 is sleeved with the inner wall of the clamping ring 601.

[0095] The clamping mechanism 6 further comprises:

[0096] The rotating block 605 is rotationally connected to the top of the connecting rod 607, and the outer wall of the rotating block 605 is provided with a protrusion 606;

[0097] The U-shaped rod 604 is installed on the top of the rotating block 605;

[0098] The cushion block 608 is installed at the bottom of the connecting rod 607, the outer wall of the cushion block 608 is in contact with the inner wall of the clamping ring 601, and the cushion block 608 has elasticity.

[0099] Initially, one end of the clamping ring 601 is rotated to move away from the upper shell 505, and the upper pipe 4 is placed in the clamping groove of the upper shell 505, then the second telescopic column 508 drives the clamping block 509 to be close to the outer wall of the upper pipe 4, the clamping ring 601 is rotated to clamp the upper pipe 4 and the upper shell 505, the second telescopic column 508 drives the clamping block 509 to move, until the infrared receiver 510 on the clamping block 509 is in signal communication with the infrared emitter 5073 on the alignment assembly 507, so that the axis of the upper pipe 4 is consistent with the axis of the flowmeter 3, then the worker manually rotates the U-shaped rod 604, so that the U-shaped rod 604 drives the cushion block 608 under the connecting rod 607 to be close to the pipeline and form extrusion, the U-shaped rod 604 is rotated to drive the protrusion 606 to be inserted into the limiting groove 603 in the sleeve 602, so that the cushion block 608 is clamped on the outer wall of the pipeline and is wrapped and clamped with the clamping block 509, so that the pipeline keeps the same axis, and the worker is assisted to install, and the difficulty of manual adjustment of alignment is reduced.

[0100] Embodiment 2, please refer to Figures 1-9 The application provides a technical scheme: on the basis of embodiment 1, the limiting assembly 506 comprises:

[0101] The fixed frame 5061 is symmetrically arranged on the inner wall of the upper shell 505.

[0102] The guide rod 5062 is arranged on the inner wall of the fixed frame 5061, the outer wall of the guide rod 5062 is sleeved with the inner wall of the fixed frame 5061, the guide rod 5062 can slide back and forth in the fixed frame 5061, and gas holes 5063 are arranged at two ends of the guide rod 5062.

[0103] The inflatable ring 5064 is arranged on the outer wall of the guide rod 5062, the inner wall of the inflatable ring 5064 is connected with the inner wall of the guide rod 5062, a one-way hole 5065 is arranged on the side, close to the inflatable ring 5064, of the guide rod 5062, and a recess is arranged on the part, close to the inflatable ring 5064, of the guide rod 5062, so that the inflatable ring 5064 can be withdrawn in the recess in the un-inflated state, and the outer diameter of the guide rod 5062 remains consistent.

[0104] The limiting assembly 506 further comprises:

[0105] The gas conveying pipe 5066 is symmetrically provided with two, and the gas conveying pipe 5066 is arranged at the two ends of the guide rod 5062.

[0106] An air bag 5067 is arranged at the end of the gas conveying pipe 5066 away from the guide rod 5062, and the air bag 5067 is made of rubber and unidirectionally conveys air to the inflatable ring 5064, and the inflatable ring 5064 can autonomously deflate.

[0107] When the upper shell 505 is kept in a horizontal state, the flowmeter 3 is placed on the alignment assembly 507, the upper pipe 4 is placed at the end of the upper shell 505 away from the alignment assembly 507, the outer wall of the upper pipe 4 is fixed by the upper shell 505 and the upper clamping mechanism 6, then the guide rod 5062 is inserted into the flange of the upper pipe 4 and the flange of the flowmeter 3, and the upper gas conveying pipe is passed through the flange of the upper pipe 4 and the flange of the flowmeter 3;

[0108] After confirming that the axis of the upper pipe 4 is aligned with the axis of the flowmeter 3 by the alignment assembly 507, the upper pipe 4 is fixed with the flowmeter 3 except the flange screw holes of the guide rod 5062, then the upper shell 505 is rotated by 90 degrees upwards and coincides with the lower shell 501, the bottom of the flowmeter 3 is aligned with the top of the elbow pipe 2 which is fixed by the lower shell 501 and the lower clamping mechanism 6, then the guide rod 5062 is inserted into the flange of the top of the elbow pipe 2, so that the axis of the elbow pipe 2 keeps coinciding with the flowmeter 3, at this time, the worker inflates the inflatable ring 5064 by pressing the air bag 5067, keeps the guide rod 5062 fixed between the fixing frame 5061, supports the flowmeter 3 by the inflatable ring 5064, reduces the gravity extrusion of the flowmeter 3, and keeps the stability of the guide rod 5062;

[0109] After confirming the position, the inflatable ring 5064 is deflated, the guide rod 5062 is extracted, and the remaining screws are tightened to fix the bottom of the flowmeter 3 with the elbow pipe 2, and the guide rod 5062 can be inserted into the flange, which indicates that the axis of the flowmeter 3 and the elbow pipe 2 is small, and the pipe can be further limited, avoiding the deviation of the pipe after the pipe is fixed by the clamping mechanism 6, increasing the displacement limitation of the pipe, after fine adjustment, the operation of installing the flowmeter 3 on the upper and lower pipes can be quickly completed, reducing the difficulty of manual alignment and adjustment.

[0110] The alignment assembly 507 comprises:

[0111] A first telescopic column 5071 is installed on the middle part of the inner wall of the upper shell 505.

[0112] An arc-shaped plate 5072 is installed on the top of the first telescopic column 5071.

[0113] The alignment assembly 507 further comprises:

[0114] An infrared emitter 5073 is symmetrically arranged at the upper and lower ends of the arc-shaped plate 5072.

[0115] Clamping rods 5074 are uniformly arranged on the inner wall of the arc-shaped plate 5072, and the bottom of the clamping rod 5074 is rotationally connected with the inner wall of the arc-shaped plate 5072.

[0116] After the flowmeter 3 is placed on the arc-shaped plate 5072, the clamping rod 5074 automatically clamps the outer wall of the flowmeter 3, so that the axis of the flowmeter 3 is aligned with the axis of the arc-shaped plate 5072, and at the same time, the axis of the arc-shaped plate 5072 corresponds to the arrangement position of the infrared emitter 5073, so that when the infrared emitter 5073 and the infrared receiver 510 are signal-connected, it indicates that the axis of the pipeline is consistent with the axis of the flowmeter 3, which facilitates the worker to quickly judge whether the axis is aligned, reduces the labor consumption of the worker manually aligning the pipeline, and more intuitively judges whether the pipeline is aligned before tightening the screw, thereby avoiding the need for secondary disassembly and delaying the work progress.

[0117] The specific working process is as follows:

[0118] In use, first rotate the rotating plate 504 by 180 degrees downward, so that the upper shell 505 is separated from the lower shell 501, and the upper shell 505 and the lower shell 501 are in a vertical state. The upper shell 505 is placed horizontally, and then the flowmeter 3 and the upper pipe 4 are placed inside the upper pipe 4. The alignment assembly 507 clamps the flowmeter 3, the clamping mechanism 6 on the outer wall of the upper shell 505 clamps the upper pipe 4, and the limiting assembly 506 cooperates to make the alignment assembly 507 keep the axis of the upper pipe 4 aligned with the axis of the flowmeter 3, and then the upper pipe 4 and the flowmeter 3 are installed.

[0119] Initially, rotate along one end of the clamping ring 601 to make the clamping ring 601 away from the upper shell 505, and present an open state. Then, after the upper pipe 4 is placed in the clamping groove of the upper shell 505, the second telescopic column 508 drives the clamping block 509 to approach the outer wall of the upper pipe 4, the clamping ring 601 rotates to clamp the upper pipe 4 and the upper shell 505, the second telescopic column 508 drives the clamping block 509 to move until the infrared receiver 510 on the clamping block 509 is in signal communication with the infrared emitter 5073 on the alignment assembly 507, so that the axis of the upper pipe 4 is consistent with the axis of the flowmeter 3, and then the worker manually rotates the U-shaped rod 604 to make the U-shaped rod 604 drive the gasket 608 below the connecting rod 607 to approach the pipeline and form extrusion, and then rotate the U-shaped rod 604 to drive the rotating block 605 to insert into the limiting groove 603 in the sleeve 602, so that the gasket 608 is clamped on the outer wall of the pipeline and clamps the upper pipe 4 together with the clamping block 509, so that the pipeline keeps the same axis;

[0120] After the upper pipe 4 and the flowmeter 3 are installed, the lower shell 501 cooperates with the clamping mechanism 6 to fix the outer wall of the elbow pipe 2, then the worker uses external force to rotate the upper shell 505 together with the upper pipe 4 and the flowmeter 3 by 90 degrees, makes the rotating plate 504 rotate to contact with the upper shell 505, and keeps still, at this time, the upper shell 505 and the lower shell 501 keep the axis of the elbow pipe 2 and the upper pipe 4 aligned, also ensure the flowmeter 3 and the top of the elbow pipe 2 aligned, then insert the limiting assembly 506 into the flange where the elbow pipe 2 and the flowmeter 3 are connected, make the axis of the bottom of the elbow pipe 2 and the flowmeter 3 aligned, then insert the screw into the flange plate to be pre-fixed, finally, extract the limiting assembly 506, and tighten all the screws.

[0121] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A butt joint installation structure of a flow meter, used for realizing butt joint between a bend pipe (2), a flow meter (3) on top of the bend pipe (2) and an upper pipe (4) on top of the flow meter (3), comprising: a supporting mechanism (1), characterized in that: a centralizing mechanism (5) is arranged on top of the supporting mechanism (1); a clamping mechanism (6), which is symmetrically arranged on upper and lower ends of the centralizing mechanism (5), and which realizes clamping of the bend pipe (2) and the upper pipe (4) in cooperation with the centralizing mechanism (5); the centralizing mechanism (5) comprises: a lower shell (501), whose outer wall is sleeved with an outer wall of the supporting mechanism (1); an upper shell (505), whose bottom is rotationally connected with a top of the lower shell (501); a limiting assembly (506), which is symmetrically arranged on an inner wall of the upper shell (505); an alignment assembly (507), which is arranged on a middle part of the inner wall of the upper shell (505); the limiting assembly (506) comprises: a fixed frame (5061), which is symmetrically arranged on the inner wall of the upper shell (505); a guide rod (5062), which is installed on an inner wall of the fixed frame (5061), and whose both ends are provided with air holes (5063); an air inflation ring (5064), which is arranged on an outer wall of the guide rod (5062), and whose inner wall is connected with an inner wall of the guide rod (5062), and one-way holes (5065) are arranged on a side of the guide rod (5062) close to the air inflation ring (5064); the limiting assembly (506) further comprises: a gas conveying pipe (5066), which is symmetrically provided with two, and which is arranged on both ends of the guide rod (5062); an air bag (5067), which is arranged on an end of the gas conveying pipe (5066) away from the guide rod (5062); when the upper shell (505) is kept in a horizontal state, the flow meter (3) is placed on the alignment assembly (507), and the upper pipe (4) is placed on an end of the upper shell (505) away from the alignment assembly (507), so that an outer wall of the upper pipe (4) is fixed by the upper shell (505) and the upper clamping mechanism (6), then the guide rod (5062) is inserted into flanges of the upper pipe (4) and the flow meter (3), and the upper gas conveying pipe (5066) is passed through the flanges of the upper pipe (4) and the flow meter (3). After the alignment component (507) confirms that the upper pipe (4) is aligned with the axis of the flowmeter (3), the upper pipe (4) is fixed with the flowmeter (3) except for the flange screw hole of the guide rod (5062), then the upper shell (505) is turned upward to coincide with the lower shell (501), the bottom of the flowmeter (3) is aligned with the top of the elbow pipe (2) fixed by the lower shell (501) and the lower clamping mechanism (6), then the guide rod (5062) is inserted into the flange at the top of the elbow pipe (2), so that the axis of the elbow pipe (2) coincides with the flowmeter (3), at this time the worker inflates the air ring (5064) by pressing the air bag (5067), so that the guide rod (5062) and the fixing frame (5061) are fixed, and the air ring (5064) supports the flowmeter (3).

2. The dock mount structure for a flow meter according to claim 1, wherein: The support mechanism (1) comprises: a bracket (101), the bottom of the bracket (101) is symmetrically provided with a roller (103), and the outer wall of the roller (103) is rotationally connected with the inner wall of the bracket (101); a sleeve rod (102), the sleeve rod (102) is symmetrically arranged at the top of the bracket (101), and the outer wall of the sleeve rod (102) is sleeved with the inner wall of the centralizing mechanism (5).

3. The dock mount for a flow meter of claim 1, wherein: The centralizing mechanism (5) further comprises: a gas cylinder (502), the gas cylinder (502) is arranged on the back of the lower shell (501), and the top of the gas cylinder (502) is rotationally connected with the outer wall of the lower shell (501); a backing plate (503), the outer wall of the backing plate (503) is rotationally connected with the bottom of the gas cylinder (502); a rotating plate (504), the rotating plate (504) is symmetrically arranged on the outer wall of the lower shell (501), and the outer wall of the rotating plate (504) is rotationally connected with the outer wall of the lower shell (501), for limiting the rotation of the upper shell (505).

4. The dock mount structure for a flow meter according to claim 3, wherein: The centralizing mechanism (5) further comprises: a second telescopic column (508), the second telescopic column (508) is uniformly arranged on the inner wall of the upper shell (505) along the ring direction; a clamping block (509), the clamping block (509) is arranged at the top of the second telescopic column (508), and the outer wall of the clamping block (509) is in contact with the inner wall of the upper shell (505); an infrared receiver (510), the infrared receiver (510) is arranged on the side of the clamping block (509) close to the alignment component (507).

5. The dock mount for a flow meter of claim 4, wherein: The clamping mechanism (6) comprises: a clamping ring (601), the outer wall of the clamping ring (601) is rotationally connected with the outer wall of the centralizing mechanism (5); a sleeve pipe (602), the sleeve pipe (602) is uniformly arranged on the outer wall of the clamping ring (601) along the ring direction, and the inner wall of the sleeve pipe (602) is uniformly provided with a limiting groove (603) along the axial direction; a connecting rod (607), the outer wall of the connecting rod (607) is sleeved with the inner wall of the clamping ring (601); the clamping mechanism (6) further comprises: A rotating block (605) is rotationally connected to the top of the connecting rod (607), and the outer wall of the rotating block (605) is provided with a protrusion (606) inserted into the limiting groove (603) inside the sleeve (602); A U-shaped rod (604) is installed on the top of the rotating block (605); A cushion block (608) is installed on the bottom of the connecting rod (607), and the outer wall of the cushion block (608) is in contact with the inner wall of the clamping ring (601).

6. The dock mount for a flow meter of claim 1, wherein: The alignment assembly (507) comprises: A first telescopic column (5071) is installed on the middle part of the inner wall of the upper shell (505); An arc-shaped plate (5072) is installed on the top of the first telescopic column (5071).

7. The dock mount structure for a flow meter according to claim 6, wherein: The alignment assembly (507) further comprises: An infrared emitter (5073) is symmetrically arranged on the upper and lower ends of the arc-shaped plate (5072); A clamping rod (5074) is uniformly arranged on the inner wall of the arc-shaped plate (5072), and the bottom of the clamping rod (5074) is rotationally connected to the inner wall of the arc-shaped plate (5072).

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