Probe for guided wave radar liquid level meter

Abstract

A probe for a guided wave radar liquid level meter comprises a liquid storage tank, the radar liquid level meter, a fixing ring plate, a threaded supporting rod, a fastening retaining ring, a positioning vertical rod and a limiting clamping ring, a fixing pipe is arranged on the upper portion of the liquid storage tank, a second flange is arranged on the upper portion of the fixing pipe, a first flange is arranged on the lower portion of the radar liquid level meter, and a mounting rod is arranged on the lower portion of the first flange. The lower portion of the first flange is connected with the second flange, the first flange is provided with a pressing ring plate, the second flange is provided with a pressing ring plate groove, the pressing ring plate is matched with the pressing ring plate groove, the pressing ring plate is connected with the pressing ring plate groove, and the upper portion of the first flange is connected with the fixing ring plate. The fixing ring plate is provided with a plurality of positioning rods, the first flange is provided with a plurality of upper penetrating holes, the second flange is provided with a plurality of lower penetrating holes, the upper penetrating holes and the lower penetrating holes are matched with the positioning rods, and the positioning rods sequentially penetrate through the upper penetrating holes and the lower penetrating holes.

Description

Technical Field

[0001] The utility model relates to the field of liquid level meters, in particular to a probe used for a guided wave radar liquid level meter. Background Art

[0002] The existing patent (Announcement No.: CN207248294U) proposes a guided wave radar level meter, including a meter head, a waveguide rod, and a sealing device for connecting the meter head and the waveguide rod. The waveguide rod is provided with a metal floating platform that can slide along the length direction of the waveguide rod. The upper surface of the metal floating platform is a plane, and the upper surface of the metal floating platform is coated with a barium titanate coating. However, in this device, "the lower part of the shell is connected to a flange, and the flange is used to fix the guided wave radar level meter to a container containing the liquid to be measured to detect the liquid." Its flange connection structure is simple. When it is fixed to the liquid container, it is easy to loosen the bolts, affecting the fixity of the connection, resulting in errors in the measurement data. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a probe for a guided wave radar level meter, which is easy to disassemble, improves the installation efficiency of the radar level meter, fills the gap between the flange contact surfaces, strengthens the fixation of the flange connection, and strengthens the connection positioning between the flanges through longitudinal, transverse and axial multi-point synchronous limiting, prevents the installation rod and the fixed pipe from rotating and loosening at the threaded connection, keeps the probe in an upright state in the vertical direction in the liquid storage tank, and improves the accuracy of liquid measurement data.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A probe for a guided wave radar level meter comprises a liquid storage tank, a radar level meter, a fixed ring plate, a threaded support rod, a fastening buckle, a positioning rod, and a limit clamp ring. The upper portion of the liquid storage tank is provided with a fixed tube, the upper portion of the fixed tube is provided with a No. 2 flange, the lower portion of the radar level meter is provided with a No. 1 flange, the lower portion of the No. 1 flange is provided with a mounting rod, the mounting rod is connected to the fixed tube through threads, the lower portion of the mounting rod is provided with a probe, the probe is placed in the liquid storage tank, the lower portion of the No. 1 flange is connected to the No. 2 flange, the No. 1 flange has a pressure ring plate, the No. 2 flange has a pressure ring plate groove, the pressure ring plate is adapted to the pressure ring plate groove, the pressure ring plate is connected to the pressure ring plate groove, the upper portion of the No. 1 flange is connected to the fixed ring plate, the fixed ring plate has a plurality of positioning rods, the No. 1 flange has a plurality of upper through holes, the No. 2 flange has a plurality of lower through holes, the upper through holes and the lower through holes are adapted to the positioning rods, and the positioning rods pass through the upper through holes and the lower through holes in sequence.

[0006] The utility model provides a side guard plate at the lower part of the fixed ring plate, the side guard plate is connected to the No. 1 flange, the side guard plate is connected to the No. 2 flange, the fixed ring plate is provided with a side support plate on the outside, the side support plate is provided with a fastening sleeve on the outside, the side support plate is provided with a sliding hole on the inside, the sliding hole is adapted to the positioning pole, the upper end of the positioning pole passes through the sliding hole, the lower end of the positioning pole is provided with a support rod, the support rod is provided with a limiting clamp, the inner side of the limiting clamp is connected to a fixing pipe, and the upper part of the limiting clamp fits the No. 2 flange.

[0007] The fixed ring plate of the utility model has an installation groove, which is adapted to the threaded support rod. The threaded support rod is sequentially connected to the fastening support sleeve, the side support plate, the positioning vertical rod and the installation groove. The threaded support rod is connected to the positioning vertical rod through threads. The outer end of the threaded support rod has a knob, and the inner side of the knob fits the fastening support sleeve. Beneficial Effects

[0008] The installation rod of the radar level meter of the utility model and the fixed pipe of the liquid storage tank are screwed, and the disassembly and assembly operation is convenient, thereby improving the installation efficiency of the radar level meter; and as the installation rod rotates, the No. 1 flange is driven to move down until it is pressed on the upper part of the No. 2 flange, and the pressure ring plate is then embedded in the pressure ring plate groove to fill the gap between the contact surfaces of the No. 1 flange and the No. 2 flange, thereby enhancing the stability of the connection between the No. 1 flange and the No. 2 flange.

[0009] The utility model fixation ring plate is pressed on the upper part of the No. 1 flange, and the outer peripheries of the No. 1 flange and the No. 2 flange are surrounded and protected by side guard plates, and the positioning rod passes through the upper through hole and the lower through hole in sequence, and the longitudinal connection fulcrums between the fixation ring plate and the No. 1 flange and the No. 2 flange are increased, so that the longitudinal position of the three is kept fixed, and the No. 1 flange is prevented from rotating due to accidental collision or other external forces, and the stability of the screw connection between the installation rod and the fixed pipe is improved, and the firmness of the connection between the radar level meter and the liquid storage tank is strengthened, so that the probe is always kept in an upright state in the vertical direction in the radar level meter, and the accuracy of liquid measurement data is improved.

[0010] The threaded support rod of the utility model is connected with the positioning rod through the thread, so that when the threaded support rod is driven to rotate by turning the knob, the positioning rod drives the limit clamp ring to perform horizontal linear displacement. When the positioning rod moves outward until its outer surface fits with the side support plate, the limit clamp ring moves outward to the maximum extent. At this time, the limit clamp ring is on the outside of the side guard plate. When the fixed ring plate is installed vertically, it will not block the lower component of the No. 1 flange. When the fixed ring plate is fixedly installed, the positioning rod can be driven to move inward to the limit clamp ring The inner surface of the ring fits with the outer surface of the fixed tube, and the limiting clamps on both sides are used to hug the outside of the fixed tube and tighten it, thereby increasing the fixed fulcrum of the fixed ring plate, and the No. 2 flange blocks and limits the upper part of the limiting clamp, so that the fixed ring plate cannot be displaced longitudinally, thereby increasing the stability of the connection between the positioning rod and the No. 1 and No. 2 flanges, and through the longitudinal, transverse and axial multi-point synchronous limiting of the fixed ring plate, its positioning between the No. 1 and No. 2 flanges is strengthened, preventing the installation rod and the fixed tube from rotating and loosening at the screw connection, and the structure is stable.

[0011] The utility model is convenient for disassembly, improves the installation efficiency of the radar level meter, fills the gap between the flange contact surfaces, strengthens the fixation of the flange connection, and strengthens the connection positioning between the flanges through longitudinal, transverse and axial multi-point synchronous limiting, prevents the installation rod and the fixed pipe from rotating and loosening at the screw connection, so that the probe can always be kept in the vertical upright state in the liquid storage tank, thereby improving the accuracy of liquid measurement data. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the fixed ring plate and the limiting clamp ring described in the utility model.

[0013] Figure 2 It is a bottom view of the fixed ring plate and the limiting clamp ring structure described in the utility model.

[0014] Figure 3 The utility model is a cross-sectional view of a probe structure for a guided wave radar level meter.

[0015] Figure 4 This is a schematic diagram of the fixed ring plate structure described in the utility model.

[0016] Figure 5 This is a schematic diagram of the limit clamp structure described in the utility model.

[0017] Figure 6 This is a cross-sectional view of the threaded support rod limiting structure described in the utility model.

[0018] Figure 7 It is a schematic diagram of the structure of the limit clamp ring of the utility model in the outward movement state.

[0019] Figure 8 The utility model Figure 3A magnified view of the local structure. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0021] Embodiment 1:

[0022] A probe for a guided wave radar level gauge, comprising a liquid storage tank 01, a radar level gauge 02, a fixed ring plate 13, a threaded support rod 16, a fastening buckle 22, a positioning pole 24, and a limit clamp 27. The liquid storage tank 01 has a fixed pipe 09 on the upper part, and the fixed pipe 09 has a second flange 06 on the upper part. The radar level gauge 02 has a first flange 05 on the lower part, and the first flange 05 has a mounting rod 04 on the lower part. The mounting rod 04 is connected to the fixed pipe 09 by threads, and the mounting rod 04 has a probe 03 on the lower part. The probe 03 is placed in the liquid storage tank 01, and the lower part of the No. 1 flange 05 is connected to the No. 2 flange 06. The No. 1 flange 05 has a pressure ring plate 07, and the No. 2 flange 06 has a pressure ring plate groove 08. The pressure ring plate 07 is adapted to the pressure ring plate groove 08, and the pressure ring plate 07 is connected to the pressure ring plate groove 08. The mounting rod 04 of the radar level meter 02 and the fixed pipe 09 of the liquid storage tank 01 are screwed, which is convenient for disassembly and assembly, thereby improving the installation efficiency of the radar level meter 02, and the No. 1 flange 05 is driven to move down to be pressed on the No. 2 flange as the mounting rod 04 rotates. When flange 06 is on the top, pressure ring plate 07 is embedded in pressure ring plate groove 08 to fill the gap between the contact surfaces of flange No. 1 05 and flange No. 2 06, so as to strengthen the stability of the connection between flange No. 1 05 and flange No. 2 06. The top of flange No. 1 05 is connected with a fixed ring plate 13, which has a plurality of positioning rods 10, flange No. 1 05 has a plurality of upper through holes 11, and flange No. 2 06 has a plurality of lower through holes 12, which are adapted to the positioning rods 10, and the positioning rods 10 pass through the upper through holes 11 and the lower through holes 12 in sequence.

[0023] Embodiment 2:

[0024] The utility model provides a side guard plate 14 at the lower part of the fixed ring plate 13, the side guard plate 14 is connected to the No. 1 flange 05, and the side guard plate 14 is connected to the No. 2 flange 06. The fixed ring plate 13 has a side support plate 26 on the outside, and the side support plate 26 has a fastening sleeve 18 on the outside. The side support plate 26 has a sliding hole 23 inside, and the sliding hole 23 is adapted to the positioning rod 24. The upper end of the positioning rod 24 passes through the sliding hole 23, and the lower end of the positioning rod 24 has a support rod 25. The support rod 25 has a limiting clamp 27, and the inner side of the limiting clamp 27 is connected to the fixed pipe 09. The upper part of the limiting clamp 27 fits the No. 2 flange 06. The fixed ring plate 13 is pressed on the upper part of the No. 1 flange 05, and the outer periphery of the No. 1 flange 05 and the No. 2 flange 06 is surrounded and protected by the side guard plate 14. , and the positioning rod 10 passes through the upper through hole 11 and the lower through hole 12 in sequence, and increases the longitudinal connection fulcrum between the fixed ring plate 13 and the No. 1 flange 05 and the No. 2 flange 06, so that the longitudinal position of the three is kept fixed, and the No. 1 flange 05 is prevented from rotating due to accidental collision or other external forces. The stability of the screw connection between the mounting rod 04 and the fixed pipe 09 is improved, and the firmness of the connection between the radar level meter 02 and the liquid storage tank 01 is strengthened, so that the probe 03 always remains in an upright state in the vertical direction in the radar level meter 02, thereby improving the accuracy of liquid measurement data.

[0025] Embodiment 3:

[0026] The fixed ring plate 13 of the utility model has a mounting groove 15, and the mounting groove 15 is adapted to the threaded support rod 16. The threaded support rod 16 is sequentially connected to the fastening support sleeve 18, the side support plate 26, the positioning rod 24, and the mounting groove 15. The threaded support rod 16 is connected to the positioning rod 24 through a thread. The outer end of the threaded support rod 16 has a knob 17, and the inner side of the knob 17 fits the fastening support sleeve 18. The threaded support rod 16 is positioned and connected with the positioning rod 24 through a thread, so that when the threaded support rod 16 is driven to rotate by rotating the knob 17, the positioning rod 24 drives the limiting clamp ring 27 to perform a lateral linear displacement. When the positioning rod 24 moves outward until its outer surface fits with the side support plate 26, it is the maximum limit of the outward movement of the limiting clamp ring 27. At this time, the limiting clamp ring 27 is on the outside of the side guard plate 14. When the plate 13 is installed vertically, it will not block the lower component of the No. 1 flange 05. After the fixed ring plate 13 is fixedly installed, the positioning vertical rod 24 can be driven to move inward until the inner surface of the limiting clamp 27 is in contact with the outer surface of the fixed tube 09. The limiting clamps 27 on both sides are used to hug the outside of the fixed tube 09 and tighten it to increase the fixed fulcrum of the fixed ring plate 13. The No. 2 flange 06 blocks and limits the upper part of the limiting clamp 27, so that the fixed ring plate 13 cannot be displaced longitudinally, and the stability of the connection between the positioning rod 10 and the No. 1 flange 05 and the No. 2 flange 06 is increased. By synchronously limiting the fixing ring plate 13 at multiple points in the longitudinal, transverse and axial directions, its positioning between the No. 1 flange 05 and the No. 2 flange 06 is strengthened to prevent the installation rod 04 and the fixed tube 09 from rotating and loosening at the screw connection, and the structure is stable.

[0027] Embodiment 4:

[0028] The utility model discloses a fastening support sleeve 18 with a fastening buckle 22 on the outside, a fastening card plate 19 on the inside of the fastening buckle 22, card plate through holes 21 on both sides of the fastening support sleeve 18, and a threaded support rod 16 with a fastening card slot 20. The fastening card slot 20 and the card plate through holes 21 are adapted to the fastening card plate 19. The fastening card plate 19 passes through the card plate through holes 21, and the fastening card plate 19 is connected to the fastening card slot 20. This device is easy to disassemble, improves the installation efficiency of the radar level meter 02, fills the gap between the flange contact surfaces, strengthens the fixation of the flange connection, and strengthens the connection positioning between the flanges through longitudinal, transverse and axial multi-point synchronous limiting, prevents the installation rod 04 and the fixed pipe 09 from rotating and loosening at the threaded connection, so that the probe 03 always maintains an upright state in the vertical direction in the liquid storage tank 01, and improves the accuracy of liquid measurement data.

[0029] Embodiment 5:

[0030] Installation steps: first assemble the fixed ring plate 13 structure, first place the limit clamping ring 27 on the lower part of the side guard plate 14, and the positioning rod 24 passes through the sliding hole 23, and then the threaded support rod 16 is connected to the fastening sleeve 18, the side support plate 26, the positioning rod 24, and the fixed ring plate 13 in sequence, until the inner surface of the knob 17 fits with the outer surface of the fastening sleeve 18, the inner end of the threaded support rod 16 is embedded in the installation groove 15, and the card plate through hole 21 corresponds to the position of the fastening card slot 20, the threaded support rod 16 is positioned and connected with the positioning rod 24 through the thread, and then the fastening buckle 22 is placed on the outside of the fastening sleeve 18, and the fastening buckles 22 on both sides are buckled and fixedly connected, the fastening card plate 19 passes through the card plate through hole 21 and is embedded in the fastening card slot 20, and is completed. After the fixed ring plate 13 structure is assembled, the radar level meter 02 is placed on the upper part of the liquid storage tank 01, and the probe 03 is placed in the liquid storage tank 01. The mounting rod 04 is fixedly connected to the fixed tube 09 through threads until the lower surface of the No. 1 flange 05 fits with the upper surface of the No. 2 flange 06, and the pressure ring plate 07 is embedded in the pressure ring plate groove 08, and the upper through hole 11 corresponds to the lower through hole 12. Then the fixed ring plate 13 is placed on the upper part of the No. 1 flange 05, and the side guard plate 14 is wrapped around the outside of the No. 1 flange 05 and the No. 2 flange 06. The positioning rod 10 passes through the upper through hole 11 and the lower through hole 12 in turn. Finally, the positioning vertical rod 24 is driven to move to the position by turning the knob 17, and the inner surface of the limit clamp 27 fits with the outer surface of the fixed tube 09 to complete the installation.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A probe for a guided wave radar level meter, characterized in that : comprising a liquid storage tank (01), a radar level gauge (02), a fixed ring plate (13), a threaded support rod (16), a fastening buckle (22), a positioning rod (24), and a limit clamp (27); the liquid storage tank (01) has a fixed pipe (09) at the top, the fixed pipe (09) has a second flange (06) at the top, the radar level gauge (02) has a first flange (05) at the bottom, the first flange (05) has a mounting rod (04) at the bottom, the mounting rod (04) is connected to the fixed pipe (09) by threads, and the mounting rod (04) has a probe (03) at the bottom, The probe (03) is placed in the liquid storage tank (01); the lower part of the No. 1 flange (05) is connected to the No. 2 flange (06); the No. 1 flange (05) has a pressure ring plate (07); the No. 2 flange (06) has a pressure ring plate groove (08); the pressure ring plate (07) is adapted to the pressure ring plate groove (08); the pressure ring plate (07) is connected to the pressure ring plate groove (08); the upper part of the No. 1 flange (05) is connected to the fixed ring plate (13); the fixed ring plate (13) has a plurality of positioning rods (10); the No. 1 flange (05) has a plurality of upper through holes (11); the No. 2 flange (06) has a plurality of lower through holes (12); the upper through holes (11) and the lower through holes (12) are adapted to the positioning rods (10); the positioning rods (10) pass through the upper through holes (11) and the lower through holes (12) in sequence.

2. A probe for a guided wave radar level gauge according to claim 1, characterized in that The fixing ring plate (13) has a side guard plate (14) at the lower part, the side guard plate (14) is connected to the first flange (05), and the side guard plate (14) is connected to the second flange (06). The fixing ring plate (13) has a side support plate (26) at the outer side, and the side support plate (26) has a fastening sleeve (18) at the outer side. The side support plate (26) has a sliding hole (23) at the inner side, and the sliding hole (23) is adapted to the positioning rod (24). The upper end of the positioning rod (24) passes through the sliding hole (23). The lower end of the positioning rod (24) has a support rod (25), and the support rod (25) has a limit clamp (27). The inner side of the limit clamp (27) is connected to the fixing pipe (09), and the upper part of the limit clamp (27) is in contact with the second flange (06).

3. A probe for a guided wave radar level gauge according to claim 2, characterized in that The fixing ring plate (13) has a mounting groove (15), the mounting groove (15) is adapted to the threaded support rod (16), the threaded support rod (16) is sequentially connected to the fastening support sleeve (18), the side support plate (26), the positioning rod (24), and the mounting groove (15), the threaded support rod (16) is connected to the positioning rod (24) through a thread, the outer end of the threaded support rod (16) has a knob (17), and the inner side of the knob (17) is in contact with the fastening support sleeve (18).

4. A probe for a guided wave radar level gauge according to claim 3, characterized in that The fastening support sleeve (18) is externally connected to a fastening buckle (22), the fastening buckle (22) is provided with a fastening card plate (19) on the inner side, the fastening support sleeve (18) is provided with card plate through holes (21) on both sides, the threaded support rod (16) is provided with a fastening card slot (20), the fastening card slot (20) and the card plate through hole (21) are adapted to the fastening card plate (19), the fastening card plate (19) passes through the card plate through hole (21), and the fastening card plate (19) is connected to the fastening card slot (20).

Images