Split type radar liquid level meter

Abstract

The utility model discloses a split type radar liquid level meter, and particularly relates to the technical field of radar liquid level meters, the split type radar liquid level meter comprises a receiver and an emitter, a flange is fixedly arranged at the bottom end of the receiver, a supporting frame is arranged outside the emitter, the receiver and the emitter are connected through a cable, the cable penetrates through the supporting frame, and the flange is fixedly arranged at the bottom end of the receiver. A clamping mechanism for clamping an emitter is arranged in the supporting frame, the clamping mechanism comprises a first containing groove formed in the supporting frame, the interior of the first containing groove is movably connected with a two-way threaded rod through a bearing, and the two ends of the two-way threaded rod are both in threaded connection with limiting plates. The emitter can be taken out from the interior of the supporting frame through the clamping mechanism, liquefied residues on the emitter can be cleaned conveniently, the emitter is prevented from being corroded, the emitter can be driven to rotate through the rotating mechanism, the detection range of the emitter is adjusted, and practicability is improved.

Description

Technical Field

[0001] This utility model relates to the field of radar level gauge technology, specifically to a split-type radar level gauge. Background Technology

[0002] A split-type radar level gauge is an instrument that uses microwave radar technology to measure liquid level. It features high accuracy, strong anti-interference capabilities, and easy installation, playing a vital role in industrial production. The split-type radar level gauge transmits microwave signals to the measured medium via a transmitter. During propagation, the microwave signals are reflected from the surface of the measured medium, and the reflected signals are received and processed by a receiver. By calculating the echo time and frequency changes, the thickness information of the measured medium can be obtained, and thus the liquid level height can be calculated.

[0003] For example, Chinese patent application No. 202421381981.4 discloses a split-type radar level gauge, including a receiver, a bracket disposed on one side of the receiver, and a transmitter disposed inside the bracket. The receiver and the transmitter are electrically connected via a connecting pipeline. This split-type radar level gauge has a simple structure and is easy to use. The design of the rotating shaft and limiting mechanism allows for convenient adjustment of the transmitter angle, which can then be fixed after adjustment to prevent angle changes during use, ensuring the accuracy and stability of the detection. Simultaneously, the combination of a sliding sleeve and a threaded sleeve effectively secures the connecting pipeline, preventing movement or shaking during use and ensuring stability. Furthermore, the sealing ring on the limiting ring fits tightly against the connecting pipeline and the point of use, ensuring the sealing of the perforation and effectively preventing leakage.

[0004] However, the following problems still exist in this technical solution: Since the detection end of the radar level gauge needs to be inserted into the tank, when detecting volatile liquids, the gas generated by the vaporization of the liquid is easy to adhere to the inner wall of the detection end and then produce liquefaction residue. If it is not cleaned for a long time or not cleaned thoroughly, the inner wall surface will be corroded. Utility Model Content

[0005] The purpose of this invention is to provide a split-type radar level gauge. The transmitter can be removed from the support frame through a clamping mechanism, which facilitates the cleaning of liquefied residues on the transmitter and prevents corrosion. The transmitter can also be rotated through a rotating mechanism to adjust its detection range, thereby improving its practicality and addressing the aforementioned shortcomings in the technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a split-type radar level gauge, comprising a receiver and a transmitter, wherein a flange is fixedly provided at the bottom of the receiver, a support frame is provided on the outside of the transmitter, the receiver and the transmitter are connected by a cable, the cable passes through the support frame, and a clamping mechanism for clamping the transmitter is provided inside the support frame.

[0007] Preferably, the clamping mechanism includes a first placement groove inside the support frame, and a bidirectional threaded rod is movably connected inside the first placement groove via a bearing. Both ends of the bidirectional threaded rod are threadedly connected to limit plates. The front side of the limit plate passes through the support frame and extends out of one side of the support frame. A connecting plate is fixedly provided on the front side of the limit plate. Clamping plates are provided on the sides of the two connecting plates that are close to each other for clamping the transmitter.

[0008] Preferably, a first rotating shaft is movably connected inside the support frame via a bearing. A bevel gear is provided through the bottom end of the first rotating shaft and the outside of the bidirectional threaded rod. The two bevel gears mesh with each other. A first motor is fixedly provided at the top end of the first rotating shaft to drive the bidirectional threaded rod to rotate.

[0009] Preferably, the connecting plate is provided with a rotating mechanism for driving the clamping plate to rotate. The rotating mechanism includes a second rotating shaft disposed inside the connecting plate. The second rotating shaft is movably connected to the connecting plate through a bearing. A third rotating shaft is movably connected to one side of the connecting plate through a bearing. A first gear is provided through one end of the third rotating shaft and one end of the second rotating shaft. The two first gears mesh with each other. A second motor is fixedly provided at one end of the third rotating shaft for driving the clamping plate to rotate.

[0010] Preferably, the connecting plate has a fixing mechanism for fixing the second rotating shaft inside. The fixing mechanism includes a second placement groove inside the connecting plate, a threaded cylinder movably connected to the second placement groove via a bearing, a fourth rotating shaft threadedly connected to the threaded cylinder, a plurality of insertion holes on the second rotating shaft, the insertion holes being adapted to the fourth rotating shaft, the fourth rotating shaft movably connected to the second placement groove via a bearing, a second gear passing through both the fourth rotating shaft and the threaded cylinder, two of the second gears meshing, and a third motor fixed at the top of the fourth rotating shaft for fixing the second rotating shaft.

[0011] Preferably, the flange is threaded with a plurality of first bolts, and the support frame is threaded with two second bolts on each side for installing the flange and the support frame.

[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0013] 1. When disassembling the clamping mechanism, start the first motor. The first motor can drive the bidirectional threaded rod to rotate. The rotation of the bidirectional threaded rod drives the limit plate to move. The limit plate can drive the clamping plate to move. Move the two clamping plates away from both sides of the transmitter, and the transmitter can be taken out from the support frame. This makes it easier to clean the liquefied residue on the transmitter and prevent the transmitter from being corroded.

[0014] 2. Start the second motor. The second motor can drive the third rotating shaft to rotate. The rotation of the third rotating shaft drives the second rotating shaft to rotate. The rotation of the second rotating shaft can drive the clamping plate to rotate. The rotation of the clamping plate can drive the transmitter to rotate, thereby adjusting the detection range of the transmitter and improving its practicality. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0016] Figure 1 This is a front view of the present invention;

[0017] Figure 2 This is a rear view of the present invention;

[0018] Figure 3 This is a schematic diagram of the structure of the first bolt and the second bolt of this utility model;

[0019] Figure 4 This is a schematic diagram of the clamping mechanism of this utility model;

[0020] Figure 5 This is a schematic diagram of the rotating mechanism of this utility model;

[0021] Figure 6 This is a schematic diagram of the fixing mechanism of this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1 receiver, 2 transmitter, 3 flange, 4 support frame;

[0024] 5 Clamping mechanism, 501 First placement slot, 502 Bidirectional threaded rod, 503 Limiting plate, 504 Connecting plate, 505 Clamping plate, 506 First rotating shaft, 507 Bevel gear, 508 First motor;

[0025] 6. Rotating mechanism, 601. Second rotating shaft, 602. Third rotating shaft, 603. First gear, 604. Second motor;

[0026] 7 Fixing mechanism, 701 Second placement slot, 702 Threaded cylinder, 703 Fourth rotating shaft, 704 Second gear, 705 Third motor, 706 Threaded rod, 707 Insertion hole;

[0027] 8 First bolt, 9 Second bolt, 10 Cable. Detailed Implementation

[0028] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0029] This utility model provides, for example Figure 1-6 The split-type radar level gauge shown includes a receiver 1 and a transmitter 2. The receiver 1 is fixedly provided with a flange 3 at its bottom end. The transmitter 2 is provided with a support frame 4 on its outside. The receiver 1 and the transmitter 2 are connected by a cable 10, which passes through the support frame 4. The support frame 4 is provided with a clamping mechanism 5 for clamping the transmitter 2 inside. Multiple first bolts 8 are threaded on the flange 3. Two second bolts 9 are threaded on both sides of the support frame 4.

[0030] like Figure 4 As shown, the clamping mechanism 5 includes a first placement groove 501 opened inside the support frame 4. A bidirectional threaded rod 502 is movably connected inside the first placement groove 501 via a bearing. Both ends of the bidirectional threaded rod 502 are threadedly connected to a limiting plate 503. The front side of the limiting plate 503 passes through the support frame 4 and extends out of one side of the support frame 4. A connecting plate 504 is fixedly provided on the front side of the limiting plate 503. A clamping plate 505 is provided on the side of the two connecting plates 504 that are close to each other.

[0031] like Figure 4 As shown, the support frame 4 is movably connected to a first rotating shaft 506 via bearings. The bottom end of the first rotating shaft 506 and the outside of the bidirectional threaded rod 502 are both provided with bevel gears 507, which mesh with each other. The top end of the first rotating shaft 506 is fixedly provided with a first motor 508.

[0032] First, place the transmitter 2 between two clamping plates 505, then start the first motor 508. The first motor 508 drives the first rotating shaft 506 to rotate. Under the action of two bevel gears 507, the first rotating shaft 506 can drive the bidirectional threaded rod 502 to rotate. The rotation of the bidirectional threaded rod 502 drives the limiting plate 503 to move. The movement of the limiting plate 503 drives the connecting plate 504 to move. The connecting plate 504 drives the clamping plate 505 to move. Move the clamping plate 505 to one side of the transmitter 2. The transmitter 2 is clamped and fixed by the clamping plate 505. Then, the flange 3 is fixed in a suitable position by the first bolt 8. Then, the support frame 4 is fixed above the tank by the second bolt 9. The transmitter 2 emits a radio frequency signal, which is transmitted to the receiver 1 via the cable 10. The receiver 1 receives the reflected signal and transmits it back, thereby realizing liquid level measurement.

[0033] When disassembling the clamping mechanism 5, start the first motor 508. The first motor 508 can drive the bidirectional threaded rod 502 to rotate. The rotation of the bidirectional threaded rod 502 drives the limiting plate 503 to move. The limiting plate 503 can drive the clamping plate 505 to move. By moving the two clamping plates 505 away from both sides of the transmitter 2, the transmitter 2 can be taken out from the support frame 4, which is convenient for cleaning the liquefied residue on the transmitter 2 and preventing the transmitter 2 from being corroded.

[0034] like Figure 5 As shown, the connecting plate 504 is provided with a rotating mechanism 6 that drives the clamping plate 505 to rotate. The rotating mechanism 6 includes a second rotating shaft 601 disposed inside the connecting plate 504. The second rotating shaft 601 is movably connected to the connecting plate 504 through a bearing. A third rotating shaft 602 is movably connected to one side of the connecting plate 504 through a bearing. A first gear 603 is provided through one end of the third rotating shaft 602 and one end of the second rotating shaft 601. The two first gears 603 mesh with each other. A second motor 604 is fixedly disposed at one end of the third rotating shaft 602.

[0035] The second motor 604 is started, which drives the third rotating shaft 602 to rotate. The third rotating shaft 602 drives the second rotating shaft 601 to rotate under the action of the first gear 603. The second rotating shaft 601 drives the clamping plate 505 to rotate. The rotation of the clamping plate 505 can drive the transmitter 2 to rotate, thereby adjusting the detection range of the transmitter 2 and improving its practicality.

[0036] like Figure 6As shown, the connecting plate 504 has a fixing mechanism 7 for fixing the second rotating shaft 601 inside. The fixing mechanism 7 includes a second placement groove 701 opened inside the connecting plate 504. A threaded cylinder 702 is movably connected inside the second placement groove 701 through a bearing. A fourth rotating shaft 703 is threadedly connected inside the threaded cylinder 702. The second rotating shaft 601 has multiple insertion holes 707. The insertion holes 707 are adapted to the fourth rotating shaft 703. The fourth rotating shaft 703 is movably connected inside the second placement groove 701 through a bearing. A second gear 704 is provided through the outside of both the fourth rotating shaft 703 and the threaded cylinder 702. The two second gears 704 mesh with each other. A third motor 705 is fixedly installed at the top of the fourth rotating shaft 703.

[0037] After adjusting the position of transmitter 2, start the third motor 705. The third motor 705 can drive the fourth rotating shaft 703 to rotate. Under the action of the two second gears 704, the fourth rotating shaft 703 can drive the threaded cylinder 702 to rotate. The rotation of the threaded cylinder 702 drives the threaded rod 706 to move. The top end of the threaded rod 706 is inserted into the insertion hole 707 on the second rotating shaft 601. The threaded rod 706 can fix the second rotating shaft 601, so as to prevent the transmitter 2 from rotating during the detection process and affecting the accuracy of the detection.

[0038] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A split-type radar level gauge, comprising a receiver (1) and a transmitter (2), characterized in that: The transmitter (2) is provided with a support frame (4) on the outside. The receiver (1) and the transmitter (2) are connected by a cable (10). The cable (10) passes through the support frame (4). The support frame (4) is provided with a clamping mechanism (5) for clamping the transmitter (2) inside. The clamping mechanism (5) includes a first placement groove (501) opened inside the support frame (4). A bidirectional threaded rod (502) is movably connected inside the first placement groove (501) via a bearing. Both ends of the bidirectional threaded rod (502) are threadedly connected to a limiting plate (503). The front side of the limiting plate (503) passes through the support frame (4) and extends out of one side of the support frame (4). A connecting plate (504) is fixedly provided on the front side of the limiting plate (503). A clamping plate (505) is provided on the side of the two connecting plates (504) that are close to each other.

2. The split-type radar level gauge according to claim 1, characterized in that: The support frame (4) is movably connected to a first rotating shaft (506) via a bearing. The bottom end of the first rotating shaft (506) and the outside of the bidirectional threaded rod (502) are both provided with bevel gears (507). The two bevel gears (507) mesh with each other. The top end of the first rotating shaft (506) is fixedly provided with a first motor (508).

3. The split-type radar level gauge according to claim 1, characterized in that: The connecting plate (504) is provided with a rotating mechanism (6) that drives the clamping plate (505) to rotate. The rotating mechanism (6) includes a second rotating shaft (601) disposed inside the connecting plate (504). The second rotating shaft (601) is movably connected to the connecting plate (504) via a bearing. A third rotating shaft (602) is movably connected to one side of the connecting plate (504) via a bearing. A first gear (603) is provided through one end of the third rotating shaft (602) and one end of the second rotating shaft (601). The two first gears (603) mesh with each other. A second motor (604) is fixedly provided at one end of the third rotating shaft (602).

4. A split-type radar level gauge according to claim 3, characterized in that: The connecting plate (504) is provided with a fixing mechanism (7) for fixing the second rotating shaft (601). The fixing mechanism (7) includes a second placement groove (701) opened inside the connecting plate (504). A threaded cylinder (702) is movably connected inside the second placement groove (701) via a bearing. A fourth rotating shaft (703) is threadedly connected inside the threaded cylinder (702). A plurality of insertion holes (707) are opened on the second rotating shaft (601), and the insertion holes (707) are adapted to the fourth rotating shaft (703).

5. A split-type radar level gauge according to claim 4, characterized in that: The second placement groove (701) is movably connected to a fourth rotating shaft (703) via a bearing. The fourth rotating shaft (703) and the threaded cylinder (702) are both provided with second gears (704) that mesh with each other. A third motor (705) is fixedly provided at the top of the fourth rotating shaft (703).

6. A split-type radar level gauge according to claim 1, characterized in that: The receiver (1) is fixedly provided with a flange (3) at the bottom end, and a plurality of first bolts (8) are threaded on the flange (3). The support frame (4) is threaded with two second bolts (9) on both sides.

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