CN210981454U

CN210981454U - Automatic calibration device for radar liquid level meter

Info

Publication number: CN210981454U
Application number: CN201922411645.5U
Authority: CN
Inventors: 钟苑香
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-07-10
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses an automatic calibration device of a radar liquid level meter, which comprises two mounting plates, wherein the middle part of one side of each mounting plate is provided with a chute, one side of the inner wall of each chute is respectively and fixedly connected with the two sides of a first bottom plate, a calibration device is placed in the middle part of a top plate, a rotating handle is rotated and drives a first gear and a second gear to rotate, the first gear drives a screw rod to rotate, thereby driving the second fixing frame to move, clamping and fixing the calibration device, facilitating the installation and fixation of the calibration device, turning on the switch of the level meter, calibrating the position of the calibration device by the level meter, if the calibration device is installed obliquely, a sliding block, the sliding block drives the second bottom plate to move, the second bottom plate drives the second supporting rod to move, the second supporting rod drives the top plate to move, therefore, the angle of the top plate can be adjusted, the top plate is in a horizontal state, and the influence on the calibration of the radar liquid level instrument due to the inclination of the calibration device is avoided.

Description

Automatic calibration device for radar liquid level meter

Technical Field

The utility model relates to a radar level gauge, in particular to radar level gauge automatic calibration device.

Background

The radar level gauge transmits and receives very short microwave pulses of very low energy through an antenna system, the radar waves are run at the speed of light and the run time can be converted into a level signal through electronic components, a special time extension method can ensure stable and accurate measurement in a very short time.

Among the prior art, calibrating device need install calibrating device in advance when carrying out the calibration to radar level gauge, mostly be the screw thread installation among the prior art, and the installation is more troublesome, reduces calibrating device's installation effectiveness, and calibrating device when the calibration, if calibrating device's angle takes place the deviation, easily makes radar level gauge's calibration emergence error, influences radar level gauge's calibration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radar level gauge automatic calibration device to solve the more troublesome problem of installation that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a radar level gauge automatic calibration device, includes two mounting panels, two the spout has all been seted up at the middle part of mounting panel one side, two one side of spout inner wall respectively with the both sides fixed connection of first bottom plate, the both sides on first bottom plate top respectively with the one end fixed connection of first bracing piece, two the both sides of spout inner wall respectively with the both sides sliding connection of two sliders, two a avris of slider respectively with the both sides fixed connection of second bottom plate, the both sides on second bottom plate top respectively with the one end of two second bracing pieces articulated, the other end of two the other end of first bracing piece and the other end of two second bracing pieces respectively with the both sides of two diaphragm bottoms articulated, the top of two the diaphragm respectively with the both sides fixed connection of roof bottom.

As a preferred technical scheme of the utility model, one side on roof top is fixed and is equipped with first mount, the middle part at first mount both ends has all been seted up and has been worn the groove, two wear the groove to alternate with the both ends of second mount respectively and be connected.

As a preferred technical scheme of the utility model, the middle part at second mount both ends respectively with the one end threaded connection of two screw rods, two the middle part of screw rod outer wall rotates with one side of two wearing inslot walls respectively and is connected, two the other end of screw rod respectively with the middle part fixed connection of two first gear one sides.

As a preferred technical scheme of the utility model, two first gear all is connected with the transmission of second gear through the chain, the middle part of second gear one side and the one end fixed connection of pivot, the middle part of pivot outer wall is rotated with the middle part of backup pad one side and is connected, and the fixed one side that sets up on the roof top of backup pad, the other end of pivot and the middle part fixed connection who changes one side.

As a preferred technical scheme of the utility model, the both sides of roof bottom are all fixed and are equipped with the pull rod, two the one end of pull rod respectively with the both sides fixed connection on workstation top.

As a preferred technical scheme of the utility model, the draw-in groove has all been seted up to the both sides on workstation top, two the draw-in groove is connected with the one end block of two supporting legs respectively, two the other end of supporting leg respectively with the both sides fixed connection of a supporting bench bottom, the fixed spirit level that is equipped with in middle part on a supporting bench top.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses set up the second mount, place calibrating device at the middle part of roof, rotate and change the handle, change and drive first gear and second gear rotation, first gear drives the screw rod and rotates to drive the motion of second mount, press from both sides calibrating device tight fixed, the calibrating device's of being convenient for installation is fixed.

2. The utility model discloses set up the spirit level, opened the spirit level switch, the spirit level calibrates calibrating device's position, if calibrating device installation when inclining, the slider that slides, the slider drives the motion of second bottom plate, and the second bottom plate drives the motion of second bracing piece, and the second bracing piece drives the roof motion to can adjust the angle of roof, make the roof be in the horizontality, avoid influencing radar liquid level meter's calibration because calibrating device inclines.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a first gear structure of the present invention;

fig. 3 is a schematic view of the supporting table structure of the present invention.

In the figure: 1. mounting a plate; 2. a first base plate; 3. a first support bar; 4. a first fixing frame; 5. turning a handle; 6. a second fixing frame; 7. a top plate; 8. a chute; 9. a second base plate; 10. a second support bar; 11. a transverse plate; 12. a rotating shaft; 13. a second gear; 14. a support plate; 15. a chain; 16. a first gear; 17. a pull rod; 18. a work table; 19. a card slot; 20. supporting legs; 21. a support table; 22. a level gauge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution of an automatic calibration device for a radar level gauge:

referring to fig. 1 and 3, the device comprises two mounting plates 1, wherein a sliding groove 8 is formed in the middle of one side of each of the two mounting plates 1, one side of the inner wall of each of the two sliding grooves 8 is fixedly connected with two sides of a first bottom plate 2, two sides of the top end of the first bottom plate 2 are fixedly connected with one end of a first supporting rod 3, two sides of the inner wall of each of the two sliding grooves 8 are slidably connected with two sides of two sliding blocks, one side of each of the two sliding blocks is fixedly connected with two sides of a second bottom plate 9, two sides of the top end of the second bottom plate 9 are hinged with one end of two second supporting rods 10, the other ends of the two first supporting rods 3 and the other ends of the two second supporting rods 10 are hinged with two sides of the bottom ends of two transverse plates 11, the top ends of the two transverse plates 11 are fixedly connected with two sides of the bottom end of a top plate 7, the second support rod 10 drives the top plate 7 to move, so that the angle of the top plate 7 can be adjusted, the top plate 7 is in a horizontal state, the influence on the calibration of the radar liquid level instrument caused by the inclination of the calibration device is avoided, pull rods 17 are fixedly arranged on two sides of the bottom end of the top plate 7, one ends of the two pull rods 17 are respectively and fixedly connected with two sides of the top end of a workbench 18, clamping grooves 19 are respectively arranged on two sides of the top end of the workbench 18, the two clamping grooves 19 are respectively and fixedly connected with one ends of two support legs 20, the other ends of the two support legs 20 are respectively and fixedly connected with two sides of the bottom end of a support table 21, a level instrument 22 is fixedly arranged in the middle, can install spirit level 22 on workstation 18, spirit level 22's model is NI004, the installation and the dismantlement of spirit level 22 of being convenient for, spirit level 22 calibrates calibrating device's position, avoids calibrating device to take place to incline and influence radar liquid level appearance's calibration.

According to the drawings of fig. 1 and 2, a first fixing frame 4 is fixedly arranged on one side of the top end of a top plate 7, the middle parts of the two ends of the first fixing frame 4 are respectively provided with a through groove, the two through grooves are respectively connected with the two ends of a second fixing frame 6 in an inserting manner, a calibration device is placed in the middle part of the top plate 7, the second fixing frame 6 is moved to enable the two ends of the second fixing frame 6 to be connected with the two through grooves in an inserting manner, so that the calibration device can be clamped and fixed, the middle parts of the two ends of the second fixing frame 6 are respectively in threaded connection with one ends of two screws, the middle parts of the outer walls of the two screws are respectively in rotary connection with one sides of the inner walls of the two through grooves, the other ends of the two screws are respectively in fixed connection with the middle parts of one sides of two first gears 16, the two first gears 16 are respectively in transmission connection with a second gear 13 through chains 15, the middle, and backup pad 14 is fixed to be set up in one side on roof 7 top, the other end of pivot 12 with change 5 one side middle part fixed connection, rotate and change 5, change 5 and drive pivot 12 and rotate, pivot 12 drives second gear 13 and rotates, second gear 13 drives first gear 16 through chain 15 and rotates, first gear 16 drives the screw rod and rotates to drive second mount 6 motion, press from both sides the tight fixed of calibrating device, the installation of the calibrating device of being convenient for is fixed.

When the automatic calibration device is used, the utility model relates to an automatic calibration device of a radar liquid level meter, the calibration device is placed in the middle of a top plate 7, a rotating handle 5 is rotated, the rotating handle 5 drives a rotating shaft 12 to rotate, the rotating shaft 12 drives a second gear 13 to rotate, the second gear 13 drives a first gear 16 to rotate through a chain 15, the first gear 16 drives a screw rod to rotate, thereby driving a second fixing frame 6 to move, the calibration device is clamped and fixed, the installation and fixation of the calibration device are convenient, a supporting leg 20 is clamped with a clamping groove 19, a gradienter 22 can be installed on a workbench 18, the installation and the disassembly of the gradienter 22 are convenient, a gradienter switch is opened, the position of the calibration device is calibrated by the gradienter 22, if the calibration device is installed obliquely, a sliding block drives a second bottom plate 9 to move, the second bottom plate 9 drives a second supporting rod 10 to move, the second supporting rod 10 drives the, therefore, the angle of the top plate 7 can be adjusted, the top plate 7 is in a horizontal state, and the influence on the calibration of the radar liquid level gauge due to the inclination of the calibration device is avoided.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic calibration device for a radar level gauge, comprising two mounting plates (1), characterized in that: the middle parts of one sides of the two mounting plates (1) are both provided with sliding chutes (8), one sides of the inner walls of the two sliding chutes (8) are respectively fixedly connected with the two sides of the first bottom plate (2), the two sides of the top end of the first bottom plate (2) are respectively fixedly connected with one end of the first supporting rod (3), the two sides of the inner wall of the two sliding chutes (8) are respectively connected with the two sides of the two sliding blocks in a sliding manner, one side sides of the two sliding blocks are respectively fixedly connected with the two sides of the second bottom plate (9), the both sides on second bottom plate (9) top are articulated with the one end of two second bracing pieces (10) respectively, two the other end of first bracing piece (3) and the other end of two second bracing pieces (10) are articulated with the both sides of two diaphragm (11) bottoms respectively, two the top of diaphragm (11) is respectively with the both sides fixed connection of roof (7) bottom.

2. An automatic calibration device for a radar level gauge according to claim 1, characterized in that: one side on roof (7) top is fixed and is equipped with first mount (4), wear the groove has all been seted up at the middle part at first mount (4) both ends, two wear the groove and alternate with the both ends of second mount (6) respectively and be connected.

3. An automatic calibration device for a radar level gauge according to claim 2, characterized in that: the middle parts of two ends of the second fixing frame (6) are respectively in threaded connection with one ends of the two screws, the middle parts of the outer walls of the two screws are respectively in rotary connection with one sides of the two through groove inner walls, and the other ends of the two screws are respectively in fixed connection with the middle parts of one sides of the two first gears (16).

4. An automatic calibration device for a radar level gauge according to claim 3, characterized in that: two first gear (16) all are connected through chain (15) and second gear (13) transmission, the middle part of second gear (13) one side and the one end fixed connection of pivot (12), the middle part of pivot (12) outer wall is rotated with the middle part of backup pad (14) one side and is connected, and backup pad (14) are fixed to be set up in one side on roof (7) top, the other end of pivot (12) with change the middle part fixed connection of (5) one side.

5. An automatic calibration device for a radar level gauge according to claim 1, characterized in that: pull rods (17) are fixedly arranged on two sides of the bottom end of the top plate (7), and one ends of the pull rods (17) are fixedly connected with two sides of the top end of the workbench (18) respectively.

6. An automatic calibration device for a radar level gauge according to claim 5, characterized in that: draw-in groove (19) have all been seted up to the both sides on workstation (18) top, two draw-in groove (19) are connected with the one end block of two supporting legs (20) respectively, two the other end of supporting leg (20) respectively with the both sides fixed connection of brace table (21) bottom, the middle part on brace table (21) top is fixed and is equipped with spirit level (22).