Height adjusting mechanism of radar liquid level meter

Abstract

The utility model discloses a height adjusting mechanism of a radar liquid level meter, which belongs to the technical field of radar liquid level meter installation, and comprises a solution tank and an installation pipe installed at the top of the solution tank, and the installation pipe is provided with a radar liquid level meter main body. A sleeve shell is fixedly connected to the outer wall of the root of the solution tank, a mounting cavity is formed in the inner side of the sleeve shell, limiting grooves are symmetrically formed in the inner side of the mounting cavity, a first butterfly bolt is mounted on the outer side of the sleeve shell, and a height adjusting mechanism is mounted on the inner side of the sleeve shell; the lifting work of the radar liquid level meter body can be completed through the height adjusting mechanism, the structure is simple, electric transmission is not needed, the fault rate is reduced, and it is guaranteed that the radar liquid level meter body can be normally lifted.

Description

Technical Field

[0001] The utility model relates to the technical field of radar level gauge installation, and more specifically to a height adjustment mechanism of a radar level gauge. Background Art

[0002] A radar level meter is a device that measures distance by reflecting radar waves. It is installed above the liquid surface and perpendicular to the liquid surface. It can measure the height of the liquid level. If it is installed on the tank body, its installation position needs to maintain a certain distance from the side wall of the tank.

[0003] When the radar level gauge is installed at the upper end of the tank body, the commonly used installation method is to fix the flange on the upper end of the installation pipe of the solution tank, which cannot be lifted or lowered or adjusted in height. Therefore, during use, replacement, inspection or maintenance of the radar level gauge requires climbing to the upper end of the tank body for operation, which is not only troublesome to operate, but also has certain safety risks during the climbing process. An existing patent for a radar level gauge height adjustment mechanism, the patent authorization number is CN 219639975 U, in which a guide rod is used to lift and guide the main body of the radar level gauge, so that the main body of the radar level gauge can slide on the guide rod by rotating the threaded rod. When the main body of the radar level gauge is replaced or inspected, there is no need to climb to the top of the solution tank, making the operation safer and more convenient.

[0004] However, in the patent authorization number CN 219639975 U, the entire device is first connected to an external power supply, and then the output end of the servo motor is rotated to rotate the threaded rod, so that the sliding block slides up and down in the lifting groove, and finally the connection block is used to drive the lifting plate and the radar level meter body to move up and down on the outside of the guide rod. Since the servo motor is installed at the top of the guide rod and the device is used outdoors, the servo motor is affected by various factors and is prone to failure, resulting in the radar level meter being unable to achieve normal lifting and lowering. At the same time, the servo motor is in a high position, which is not conducive to maintenance. Therefore, we propose a height adjustment mechanism for the radar level meter to solve the above-mentioned problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a height adjustment mechanism for a radar level gauge, which can complete the lifting and lowering of the radar level gauge body through the height adjustment mechanism. It has a simple structure, does not require electric transmission, reduces the failure rate, and ensures that the radar level gauge body can be lifted and lowered normally.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A height adjustment mechanism of a radar level gauge, comprising a solution tank, a mounting pipe mounted on the top of the solution tank, and the mounting pipe is provided with a radar level gauge body;

[0010] The root outer wall of the solution tank is fixedly connected with a casing, the inner side of the casing is provided with an installation cavity, the inner side of the installation cavity is symmetrically provided with limiting grooves, and the outer side of the casing is provided with a first butterfly bolt;

[0011] A height adjustment mechanism is installed on the inner side of the casing;

[0012] The height adjustment mechanism includes a sleeve inserted into the inner side of the installation cavity, a limit block symmetrically integrally formed on the outer wall of the sleeve and matching the limit groove gap, a lifting rod inserted into the inner side of the sleeve, a positioning hole opened on the outer wall of the lifting rod, a U-shaped frame welded to the top end of the lifting rod, a shaft rod fixedly connected to the inner side of the U-shaped frame, a rotating rod rotatably connected to the shaft rod and with the top end connected to the radar level meter body, and a second butterfly bolt installed on the outer side of the U-shaped frame and screwed to the bottom end of the rotating rod.

[0013] Furthermore, a sealing plate is installed at the main body of the radar level gauge, and a sealing gasket is embedded on the lower surface of the sealing plate.

[0014] Furthermore, the sealing plate is fixedly connected with a mounting plate near the outer wall of the rotating rod.

[0015] Furthermore, a mounting bracket is welded to the top end of the rotating rod, and the mounting bracket is connected to the mounting plate via fastening bolts.

[0016] Furthermore, the first butterfly bolt extends to the inner side of the installation cavity, and the first butterfly bolt passes through the sleeve and is threadedly connected to the positioning hole, and two positioning holes are provided.

[0017] Furthermore, a through hole is provided at the junction of the rotating rod and the shaft rod, and the inner diameter of the through hole is matched with the outer diameter of the shaft rod.

[0018] Furthermore, a screw hole is provided at a position corresponding to the second butterfly bolt at the bottom end of the shaft rod, and the screw hole is threadedly connected to the second butterfly bolt.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] (1) This solution uses a height adjustment mechanism to complete the lifting and lowering of the radar level gauge body. It has a simple structure and does not require electric transmission, which reduces the failure rate and ensures that the radar level gauge body can be lifted and lowered normally.

[0022] (2) In this solution, a sealing gasket provided on the lower surface of the sealing plate abuts against the top opening of the mounting tube to fill the gap at the junction of the sealing plate and the mounting tube, thereby effectively preventing impurities from entering the inner side of the solution tank through the mounting tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 This is a schematic diagram of the casing structure of the utility model;

[0025] Figure 3 It is an enlarged schematic diagram of part A of the utility model;

[0026] Figure 4 It is a front view schematic diagram of the lifting mechanism of the utility model;

[0027] Figure 5 It is a schematic cross-sectional view of the AA part of the lifting mechanism of the utility model;

[0028] Figure 6 This is a schematic diagram of the sealing plate structure of the utility model.

[0029] Description of the numbers in the figure:

[0030] 1. Solution tank; 2. Mounting pipe; 3. Radar level meter body; 4. Sealing plate; 5. Housing; 6. Mounting cavity; 7. Limiting groove; 8. First butterfly bolt; 9. Sleeve; 10. Limiting block; 11. Lifting rod; 12. Positioning hole; 13. U-shaped frame; 14. Shaft; 15. Rotating rod; 16. Second butterfly bolt; 17. Mounting frame; 18. Sealing gasket; 19. Mounting plate. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0032] Example:

[0033] See also Figure 1-6 , a height adjustment mechanism of a radar level gauge, comprising a solution tank 1, a mounting pipe 2 mounted on the top of the solution tank 1, and the mounting pipe 2 is provided with a radar level gauge body 3;

[0034] The outer wall of the root of the solution tank 1 is fixedly connected with a casing 5, the inner side of the casing 5 is provided with a mounting cavity 6, the inner side of the mounting cavity 6 is symmetrically provided with a limiting groove 7, and the outer side of the casing 5 is provided with a first butterfly bolt 8;

[0035] A height adjustment mechanism is installed on the inner side of the casing 5;

[0036] The height adjustment mechanism includes a sleeve 9 inserted into the inner side of the installation cavity 6, a limit block 10 symmetrically integrally formed on the outer wall of the sleeve 9 and matching the limit groove 7, a lifting rod 11 inserted into the inner side of the sleeve 9, a positioning hole 12 provided on the outer wall of the lifting rod 11, a U-shaped frame 13 welded to the top end of the lifting rod 11, a shaft 14 fixedly connected to the inner side of the U-shaped frame 13, a rotating rod 15 rotatably connected to the shaft 14 and the top end of which is connected to the radar level meter body 3, and a second butterfly bolt 16 installed on the outer side of the U-shaped frame 13 and screwed to the bottom end of the rotating rod 15;

[0037] It should be noted that when the radar level meter body 3 installed at the mounting tube 2 needs to be inspected and maintained, it is preferred to manually rotate the first butterfly bolt 8 installed at the casing 5 to disengage it from one of the positioning holes 12, and then cooperate with the casing 9 to drag the lifting rod 11 upward to make the radar level meter body 3 completely move out from the inner side of the mounting tube 2, and then cooperate with the casing 9 to drag the lifting rod 11 downward, use the first butterfly bolt 8 to screw with the other positioning hole 12, and then rotate the second butterfly bolt 16 to disengage it from the rotating rod 15, and then rotate the rotating rod 15 to cooperate with the shaft rod 14 on the inner side of the U-shaped frame 13 to lower the radar level meter body 3 to the standing position of the operator, so as to inspect and maintain the radar level meter body 3. After completion, the rotating rod 15 is reset and positioned using the second butterfly bolt 16, and the lifting rod 11 is dragged downward to assemble the radar level meter body 3 to the inner side of the mounting tube 2. The structure is simple, no electric transmission is required, the failure rate is reduced, and the radar level meter body 3 can be lifted and lowered normally.

[0038] like Figure 1 , Figure 6 As shown, a sealing plate 4 is installed at the radar level gauge body 3, and a sealing gasket 18 is embedded on the lower surface of the sealing plate 4;

[0039] It should be noted that the sealing gasket 18 provided on the lower surface of the sealing plate 4 abuts against the top of the mounting tube 2 to fill the gap at the junction of the sealing plate 4 and the mounting tube 2, thereby effectively preventing impurities from entering the inner side of the solution tank 1 through the mounting tube 2.

[0040] like Figure 4 , Figure 6As shown, the sealing plate 4 is fixedly connected to the outer wall of the rotating rod 15 with a mounting plate 19, the top of the rotating rod 15 is welded with a mounting frame 17, and the mounting frame 17 is connected to the mounting plate 19 by fastening bolts;

[0041] It should be noted that it is convenient to disassemble and assemble the radar level gauge body 3, thereby facilitating the inspection and maintenance of the radar level gauge body 3.

[0042] like Figure 4 , Figure 5 As shown, the first butterfly bolt 8 extends to the inner side of the installation cavity 6, and the first butterfly bolt 8 passes through the sleeve 9 and is screwed to the positioning hole 12, and two positioning holes 12 are provided;

[0043] It should be noted that the lifting height of the lifting rod 11 can be adjusted.

[0044] like Figure 4 As shown, a through hole is provided at the junction of the rotating rod 15 and the shaft rod 14, and the inner diameter of the through hole is matched with the outer diameter of the shaft rod 14;

[0045] It should be noted that the stability of the shaft rod 14 and the rotating rod 15 during the rotation process is ensured.

[0046] like Figure 4 As shown, a screw hole is provided at the bottom end of the shaft 14 corresponding to the second butterfly bolt 16, and the screw hole is threadedly connected to the second butterfly bolt 16;

[0047] It should be noted that the rotating rod 15 can be positioned to ensure that the radar level meter body 3 can be connected to the mounting pipe 2 .

[0048] During use: When the radar level meter body 3 installed at the mounting tube 2 needs to be inspected and maintained, it is preferred to manually rotate the first butterfly bolt 8 installed at the sleeve 5 to disengage it from one of the positioning holes 12, and then cooperate with the sleeve 9 to drag the lifting rod 11 upward to make the radar level meter body 3 completely move out from the inner side of the mounting tube 2, and then cooperate with the sleeve 9 to drag the lifting rod 11 downward, use the first butterfly bolt 8 to screw with the other positioning hole 12, and then rotate the second butterfly bolt 16 to disengage it from the rotating rod 15, and then make the rotating rod 15 cooperate with the shaft rod 14 on the inner side of the U-shaped frame 13 to rotate, and lower the radar level meter body 3 to the standing position of the operator, so as to inspect and maintain the radar level meter body 3, and after completion, reset the rotating rod 15 and use the second butterfly bolt 16 to position it, drag the lifting rod 11 downward, and assemble the radar level meter body 3 to the inner side of the mounting tube 2.

[0049] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A height adjustment mechanism for a radar level gauge, comprising a solution tank (1), and a mounting pipe (2) mounted on the top of the solution tank (1), characterized in that: The installation pipe (2) is provided with a radar level meter body (3); The outer wall of the root of the solution tank (1) is fixedly connected with a casing (5), the inner side of the casing (5) is provided with a mounting cavity (6), the inner side of the mounting cavity (6) is symmetrically provided with a limiting groove (7), and the outer side of the casing (5) is provided with a first butterfly bolt (8); A height adjustment mechanism is installed on the inner side of the casing (5); The height adjustment mechanism comprises a sleeve (9) inserted into the inner side of the installation cavity (6), a limit block (10) symmetrically integrally formed on the outer wall of the sleeve (9) and loosely matched with the limit groove (7), a lifting rod (11) inserted into the inner side of the sleeve (9), a positioning hole (12) provided on the outer wall of the lifting rod (11), a U-shaped frame (13) welded to the top end of the lifting rod (11), a shaft (14) fixedly connected to the inner side of the U-shaped frame (13), a rotating rod (15) rotatably connected to the shaft (14) and the top end of which is connected to the radar level meter body (3), and a second butterfly bolt (16) installed on the outer side of the U-shaped frame (13) and screwed to the bottom end of the rotating rod (15).

2. The height adjustment mechanism of a radar level gauge according to claim 1, characterized in that: A sealing plate (4) is installed on the radar level meter body (3), and a sealing gasket (18) is embedded on the lower surface of the sealing plate (4).

3. The height adjustment mechanism of a radar level gauge according to claim 2, characterized in that: The sealing plate (4) is fixedly connected to a mounting plate (19) near the outer wall of the rotating rod (15).

4. The height adjustment mechanism of a radar level gauge according to claim 3, characterized in that: A mounting frame (17) is welded to the top end of the rotating rod (15), and the mounting frame (17) is connected to the mounting plate (19) via fastening bolts.

5. The height adjustment mechanism of a radar level gauge according to claim 1, characterized in that: The first butterfly bolt (8) extends to the inner side of the installation cavity (6), and the first butterfly bolt (8) passes through the sleeve (9) and is threadedly connected to the positioning hole (12), and two positioning holes (12) are provided.

6. The height adjustment mechanism of a radar level gauge according to claim 1, characterized in that: A through hole is provided at the junction of the rotating rod (15) and the shaft rod (14), and the inner diameter of the through hole is matched with the outer diameter of the shaft rod (14).

7. The height adjustment mechanism of a radar level gauge according to claim 1, characterized in that: A screw hole is provided at the bottom end of the shaft rod (14) corresponding to the second butterfly bolt (16), and the screw hole is threadedly connected to the second butterfly bolt (16).

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