Inserting structure of target flowmeter

Abstract

The utility model relates to the technical field of target flowmeter installation, in particular to a target flowmeter insertion structure which comprises a hollow column fixedly connected with a ball valve through a flange, a sliding rod is inserted in the hollow column in a sliding mode, an installation base is fixedly installed at the top end of the hollow column, an instrument is fixedly installed on the top face of the installation base, and the sliding rod is of a hollow structure. A rigid rod is installed in the sliding rod, the bottom end of the rigid rod extends into the pipeline, and a target plate is installed at the bottom end of the rigid rod. A positioning mechanism is fixedly installed on the periphery of the sliding rod and comprises a driving assembly fixedly installed on the periphery of the sliding rod, and two clamping assemblies used in cooperation with the periphery of the pipeline are installed on the driving assembly in a transmission mode. According to the positioning mechanism, the driving assembly and the clamping assembly are arranged in a matched mode, so that the target plate can be rapidly located at a proper detection position, the axial limiting function is achieved during clamping, the target plate can be kept in a stable position state, and alignment operation of the flowmeter target plate is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of target type flow meter installation, in particular to a target type flow meter plug-in structure. Background Art

[0002] A target flowmeter is an instrument used to measure the flow rate of media in a pipeline. Its operating principle is to place a circular plate called a "target" in the pipeline. When fluid flows past the target, it experiences a thrust force proportional to the fluid's kinetic energy and the target's area. By measuring this force, the flow rate can be calculated. It can provide accurate flow measurement under a variety of complex and demanding conditions, providing strong support for industrial production and scientific research.

[0003] When an existing target flowmeter is installed in a pipeline, a docking socket is installed by opening a hole in the pipeline, and a ball valve is installed on the docking socket. The ball valve is fixedly connected to the target flowmeter through a flange. The target flowmeter is usually raised and lowered using a screw nut structure to complete the insertion and removal of the target flowmeter relative to the pipeline.

[0004] However, the existing target flowmeter still has the following shortcomings during the plugging and unplugging operation:

[0005] When the target plate is extended into the pipeline, it should be located in the center area of ​​the pipeline. However, the real-time position of the existing target plate when extended into the pipeline cannot be displayed intuitively, which increases the difficulty of aligning the target plate with the center area of ​​the pipeline and leads to increased measurement errors. Utility Model Content

[0006] The purpose of the present utility model is to provide a target type flow meter plug-in structure to solve the problems raised in the above background technology.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] A target flowmeter plug-in structure includes a hollow column fixedly connected to a ball valve through a flange, a sliding rod slidably inserted in the hollow column, a mounting seat fixedly installed on the top end, an instrument fixedly installed on the top surface of the mounting seat, the sliding rod is a hollow structure, a rigid rod is installed in the sliding rod, the bottom end of the rigid rod extends into the pipeline and is installed with a target plate; a positioning mechanism is fixedly installed on the periphery of the sliding rod, the positioning mechanism includes a driving assembly fixedly installed on the periphery of the sliding rod, and two groups of clamping assemblies that cooperate with the periphery of the pipeline are transmission-mounted on the driving assembly.

[0009] Furthermore, the drive assembly includes a mounting plate fixedly mounted on the periphery of the slide rod near the top, fixed seats are fixedly mounted at both ends of the bottom surface of the mounting plate, a guide rod is fixedly connected between the two fixed seats, and a bidirectional screw rod is rotatably mounted thereon, two slide seats symmetrically distributed about the slide rod are threadedly mounted on the bidirectional screw rod, and the slide seats are slidably connected to the guide rod in a through-type manner;

[0010] The bottom surface of the slide is fixedly connected with the clamping assembly;

[0011] One end of the bidirectional screw is rotated to pass through the fixing seat and then a knob is fixedly installed thereon.

[0012] Furthermore, the clamping assembly includes a suspension rod, the top end of which is fixedly connected to the bottom surface of the slide, and a second and a first interference wheel are installed on the side of the suspension rod close to the slide at the top position through a U-shaped seat, and the second interference wheel is located directly above the first interference wheel;

[0013] The height of the middle position between the second and first friction wheels is consistent with the height of the target plate.

[0014] Furthermore, a locking bolt for limiting relative sliding between the slide rod and the hollow column is threadedly installed on the periphery of the hollow column near the top.

[0015] Furthermore, a mounting ring is fixedly installed at the middle position of the periphery of the hollow column, and two symmetrically distributed telescopic rods are fixedly connected to the periphery of the mounting ring. A limiting ring is fixedly installed at one end of the telescopic rod away from the hollow column, and the two limiting rings are respectively slidably mounted on the periphery of the two suspension rods.

[0016] Beneficial effects of the utility model:

[0017] 1. The positioning mechanism of the utility model can quickly place the target plate in a suitable detection position through the coordinated arrangement of the drive assembly and the clamping assembly, and has an axial limiting effect when clamping, which can keep the target plate in a stable position, thereby simplifying the alignment operation of the flowmeter target plate.

[0018] 2. The utility model can guide and limit the boom by setting the mounting ring, telescopic rod and limiting ring, thereby improving the structural stability of the clamping assembly and preventing the boom from bending and deforming in the clamped state.

[0019] 3. By setting the locking bolt, the sliding movement between the slide rod and the hollow column can be restricted in real time, so as to avoid the situation where the target plate extends out of the hollow column and is easily damaged when the flow meter is not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, it is possible for a person skilled in the art to derive other drawings based on these drawings without inventive effort.

[0021] Figure 1 It is a schematic structural diagram of the utility model as a whole;

[0022] Figure 2 yes Figure 1 Enlarged view of part A;

[0023] Figure 3 yes Figure 1 Enlarged view of part B;

[0024] The accompanying drawings are numerals as follows:

[0025] 1-Clamping assembly, 2-Slide rod, 3-Hollow column, 4-Locking bolt, 5-Suspension rod, 6-Mounting ring, 7-Telescopic rod, 8-Limiting ring, 9-Ball valve, 10-Target plate, 11-Pipeline, 12-Mounting seat, 13-Instrument, 14-Mounting plate, 15-Fixed seat, 16-Guide rod, 17-Two-way screw, 18-Knob, 19-Contact wheel 1, 20-Contact wheel 2, 21-Slide seat. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Example 1:

[0028] See also Figures 1 to 3 In an embodiment of the present invention, a target flowmeter plug-in structure includes a hollow column 3 fixedly connected to a ball valve 9 through a flange, a slide rod 2 is slidably inserted in the hollow column 3, a mounting seat 12 is fixedly installed on the top of 2, and an instrument 13 is fixedly installed on the top surface of the mounting seat 12. The slide rod 2 is a hollow structure, and a rigid rod is installed in the slide rod 2. The bottom end of the rigid rod extends into the pipe 11 and is installed with a target plate 10; a positioning mechanism is fixedly installed on the periphery of the slide rod 2, and the positioning mechanism includes a driving assembly fixedly installed on the periphery of the slide rod 2, and two sets of clamping assemblies 1 that cooperate with the periphery of the pipe 11 are transmission-installed on the driving assembly.

[0029] The drive assembly includes a mounting plate 14 fixedly mounted on the periphery of the slide rod 2 near the top, with fixed seats 15 fixedly mounted at both ends of the bottom surface of the mounting plate 14, a guide rod 16 fixedly connected between the two fixed seats 15, and a bidirectional screw rod 17 rotatably mounted thereon, and two slides 21 symmetrically distributed about the slide rod 2 are threadedly mounted on the bidirectional screw rod 17, and the slides 21 are slidably connected to the guide rod 16 in a through-type manner;

[0030] The bottom surface of the slide 21 is fixedly connected with the clamping assembly 1;

[0031] One end of the bidirectional screw rod 17 rotates through the fixing seat 15 and is fixedly mounted with a knob 18 .

[0032] The clamping assembly 1 includes a suspension rod 5, the top of which is fixedly connected to the bottom surface of the slide 21. A second contact wheel 20 and a first contact wheel 19 are installed on the side of the suspension rod 5 close to the slide 2 at the top position through a U-shaped seat. The second contact wheel 20 is located directly above the first contact wheel 19.

[0033] The height of the middle position between the second contact wheel 20 and the first contact wheel 19 is consistent with the height position of the target plate 10.

[0034] When the utility model is in use:

[0035] After the hollow column 3 and the ball valve 9 are fixedly connected by the flange, the slide rod 2 is moved downward so that the target plate 10 is moved into the pipe 11. During the process, the mounting plate 14 is held by hand. After the second contact wheel 20 and the first contact wheel 19 are aligned with the pipe 11, the two-way screw rod 17 is rotated by the knob 18, so that the two slide seats 21 are synchronously slid close to each other under the guidance of the guide rod 16, thereby synchronously driving the two suspension rods 5 to move close to each other; until the second contact wheel 20 and the first contact wheel 19 are squeezed and contacted with the outer periphery of the pipe 11, at this time, the two sets of clamping assemblies 1 clamp the pipe 11. During the clamping process, the clamping assemblies 1 and the pipe 11 are automatically aligned. In the clamped state, the middle position between the second contact wheel 20 and the first contact wheel 19 is aligned with the axis of the pipe 11, and the target plate 10 is also in the middle position in the pipe 11; at the same time, the clamping state of the two sets of clamping assemblies 1 can limit the sliding movement between the slide rod 2 and the hollow column 3, so that the target plate 10 can be stably located in the middle position of the pipe 11.

[0036] Therefore, the positioning mechanism of the present invention can quickly place the target plate 10 in a suitable detection position through the coordinated arrangement of the drive assembly and the clamping assembly, and has an axial limiting effect when clamping, which can keep the target plate 10 in a stable position, thereby simplifying the alignment operation of the flowmeter target plate.

[0037] When disassembly is required, the bidirectional screw 17 is rotated through the limit ring 8 to separate the clamping assembly 1 and the pipe 11, and then the slide rod 2 is moved upward to retract the target plate 10 into the hollow column 3, and then the ball valve 9 is closed, and then the hollow column 3 and the ball valve 9 can be disassembled.

[0038] Example 2:

[0039] :Please refer to Figure 1 On the basis of Example 1, a mounting ring 6 is fixedly installed at the middle position of the periphery of the hollow column 3, and two symmetrically distributed telescopic rods 7 are fixedly connected to the periphery of the mounting ring 6. A limit ring 8 is fixedly installed at one end of the telescopic rod 7 away from the hollow column 3, and the two limit rings 8 are respectively slidably sleeved on the periphery of the two suspension rods 5.

[0040] By setting the mounting ring 6, the telescopic rod 7 and the limiting ring 8, the boom 5 can be guided and limited, thereby improving the structural stability of the clamping assembly and preventing the boom 5 from bending and deforming in the clamped state.

[0041] Example 3:

[0042] :Please refer to Figure 1 On the basis of Example 1, a locking bolt 4 for limiting the relative sliding between the slide rod 2 and the hollow column 3 is threadedly installed on the periphery of the hollow column 3 near the top.

[0043] By setting the locking bolt 4, the sliding movement between the slide rod 2 and the hollow column 3 can be restricted in real time, thereby preventing the target plate 10 from extending out of the hollow column 3 and being easily damaged when the flow meter is not in use.

[0044] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A target flow meter plug-in structure, comprising a hollow column (3) fixedly connected to a ball valve (9) via a flange, a slide rod (2) slidably inserted in the hollow column (3), a mounting seat (12) fixedly mounted on the top of the 2, an instrument (13) fixedly mounted on the top surface of the mounting seat (12), the slide rod (2) being a hollow structure, a rigid rod mounted in the slide rod (2), the bottom end of the rigid rod extending into a pipe (11) and being mounted with a target plate (10); characterized in that: A positioning mechanism is fixedly mounted on the periphery of the slide bar (2), and the positioning mechanism includes a driving assembly fixedly mounted on the periphery of the slide bar (2), and two sets of clamping assemblies (1) used in conjunction with the periphery of the pipe (11) are transmission-mounted on the driving assembly.

2. A target flow meter plug-in structure according to claim 1, characterized in that: The driving assembly includes a mounting plate (14) fixedly mounted on the periphery of the slide rod (2) near the top position, fixed seats (15) are fixedly mounted at both ends of the bottom surface of the mounting plate (14), a guide rod (16) is fixedly connected between the two fixed seats (15), and a bidirectional screw rod (17) is rotatably mounted, and two slides (21) symmetrically distributed about the slide rod (2) are installed on the bidirectional screw rod (17) in a through-threaded manner, and the slides (21) are in through-sliding connection with the guide rod (16); The bottom surface of the slide seat (21) is fixedly connected to the clamping assembly (1); One end of the bidirectional screw rod (17) is rotated to pass through the fixed seat (15) and then fixedly mounted with a knob (18).

3. A target flow meter plug-in structure according to claim 2, characterized in that: The clamping assembly (1) includes a suspension rod (5), the top end of which is fixedly connected to the bottom surface of the slide seat (21), and a second friction wheel (20) and a first friction wheel (19) are installed on the side of the suspension rod (5) close to the slide rod (2) at the top position through a U-shaped seat, and the second friction wheel (20) is located directly above the first friction wheel (19); The height of the middle position between the second collision wheel (20) and the first collision wheel (19) is consistent with the height position of the target plate (10).

4. A target flow meter plug-in structure according to claim 1, characterized in that: A locking bolt (4) for limiting relative sliding between the slide rod (2) and the hollow column (3) is threadedly installed on the periphery of the hollow column (3) near the top.

5. The target flow meter plug-in structure according to claim 3, characterized in that: A mounting ring (6) is fixedly installed at the middle position of the periphery of the hollow column (3), and two symmetrically distributed telescopic rods (7) are fixedly connected to the periphery of the mounting ring (6). A limiting ring (8) is fixedly installed at one end of the telescopic rod (7) away from the hollow column (3), and the two limiting rings (8) are respectively slidably sleeved on the peripheries of the two suspension rods (5).

Images