CN210603494U

CN210603494U - Guided wave radar level meter capable of adjusting length of probe

Info

Publication number: CN210603494U
Application number: CN201921594281.2U
Authority: CN
Inventors: 秦兰君
Original assignee: Shaanxi Nuoying Automation Instrument Co Ltd
Current assignee: Shaanxi Nuoying Automation Instrument Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-05-22
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a guided wave radar level meter of adjustable probe length, including level meter body and probe, the probe includes main probe and extends the probe, be equipped with flexible groove in the main probe, flexible groove with it extends controlling means to be equipped with between the probe. Has the advantages that: drive the motor shaft in proper order through positive and negative motor, the spiral pole rotates, under draw-in groove and the limiting displacement who links up probe-slip block, the threaded rod can not rotate to through the screw thread and the interact of spiral and go up and down, thereby the lift that extends the probe can be adjusted to the lift that links up the probe in the regulation that like this can be intelligent, like this can the degree of depth of intelligent control probe when measuring the level, be convenient for adapt to the level measurement of being surveyed the different standard degree of depth of medium, the utility model discloses the device not only structural design is reasonable, easy operation moreover, and the adaptation of being convenient for is surveyed the level measurement of the different standard degree of depth of medium, can generally use widely.

Description

Guided wave radar level meter capable of adjusting length of probe

Technical Field

The utility model relates to a guided wave radar level meter field particularly, relates to a guided wave radar level meter of adjustable probe length.

Background

The guided wave radar level gauge is based on time domain reflection principle (TDR), the electromagnetic pulse of the radar level gauge is transmitted along a steel cable or a probe at the speed of light, when the electromagnetic pulse meets the surface of a measured medium, part of the pulse of the radar level gauge is reflected to form an echo and returns to a pulse transmitting device along the same path, the distance between the transmitting device and the surface of the measured medium is in direct proportion to the transmission time of the pulse between the transmitting device and the surface of the measured medium, and the liquid level height is obtained through calculation.

The conventional guided wave radar level gauge probe or steel cable is fixed in length, so that in actual work, if the depth of the probe or the steel cable is insufficient when the standard depth of a measuring medium is reduced and then the measurement is carried out again, the probe or the steel cable is replaced or the length of the probe or the steel cable is additionally increased, great inconvenience is brought to measurement, and in order to solve the problem, the guided wave radar level gauge with the adjustable probe length is required to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guided wave radar level meter of adjustable probe length to solve the problem that proposes among the above-mentioned background art.

The technical scheme of the utility model is realized like this:

the utility model provides a guided wave radar level gauge of adjustable probe length, includes level gauge body and probe, the probe includes main probe and extends the probe, be equipped with flexible groove in the main probe, flexible groove with extend and be equipped with between the probe and extend controlling means.

Further, the extension control device comprises a positive and negative motor fixedly arranged in the telescopic groove, a motor shaft is arranged at the lower end of the positive and negative motor, and a spiral ring rod is fixedly connected to the lower end of the motor shaft.

Furthermore, a spiral ring groove is arranged in the spiral ring rod, and a spiral ring is fixedly arranged in the spiral ring groove.

Further, the spiral ring inslot activity is equipped with the threaded rod, the fixed screw thread that is equipped with on the threaded rod, the screw thread with the spiro union phase-match, the screw thread with spiro union swing joint, the threaded rod with pass through between the spiral ring pole the screw thread with spiro union swing joint.

Furthermore, a connection probe rod is movably arranged at the lower end of the threaded rod and is fixedly connected with the extension probe rod.

Further, the threaded rod lower extreme is equipped with the swivelling chute, the swivelling chute upper end is equipped with rotatory draw-in groove, link up the rotatory piece of probe upper end fixedly connected with, rotatory piece upper end fixedly connected with rotatory fixture block, rotatory piece with swivelling chute swing joint, rotatory fixture block with rotatory draw-in groove swing joint.

Furthermore, slide groove grooves are formed in two sides of the telescopic groove, connecting rod slide clamping blocks are arranged on two sides of the connecting rod, the connecting rod slide clamping blocks are matched with the slide groove, and the connecting rod slide clamping blocks are movably connected with the slide groove.

The utility model provides a guided wave radar level meter of adjustable probe length, beneficial effect as follows:

(1) the utility model discloses the device not only structural design is reasonable, easy operation moreover, and the adaptation of being convenient for is surveyed the level measurement of the different standard degree of depth of medium, can generally use widely by the level measurement of the different standard degree of depth of medium of being convenient for, can not rotate at draw-in groove and linking probe rod fixture block's limiting displacement, the threaded rod to through the screw thread with spiral interact and go up and down, thereby can adjust the lift that extends the probe rod by the lift of the regulation linking probe rod that can be intelligent like this, like this when measuring the level can the degree of depth of intelligent control probe rod, be convenient for adapt to.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a guided wave radar level gauge with adjustable probe length according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a probe of a guided wave radar level gauge with adjustable probe length according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rotating fixture block in a guided wave radar level gauge capable of adjusting the length of a probe according to an embodiment of the present invention.

In the figure:

1. a level meter body; 2. a probe rod; 3. a main probe rod; 4. extending the probe rod; 5. an extension control device; 6. a telescopic groove; 7. a positive and negative motor; 8. a motor shaft; 9. a screw ring rod; 10. a spiral ring groove; 11. a spiro ring; 12. a threaded rod; 13. a thread; 14. connecting the probe rod; 15. a slide card slot; 16. connecting the probe slide fixture block; 17. a rotating tank; 18. rotating the clamping groove; 19. rotating the block; 20. and rotating the fixture block.

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 all belong to the protection scope of the present invention.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

the first embodiment is as follows:

referring to fig. 1-3, a guided wave radar level gauge with adjustable probe length according to an embodiment of the present invention includes a level gauge body 1 and a probe 2, wherein the probe 2 includes a main probe 3 and an extension probe 4, a telescopic slot 6 is disposed in the main probe 3, and an extension control device 5 is disposed between the telescopic slot 6 and the extension probe 4.

Example two:

referring to fig. 1-3, in a specific application, for the extension control device 5, the extension control device 5 includes a positive and negative motor 7 fixedly disposed in the telescopic slot 6, a motor shaft 8 is disposed at a lower end of the positive and negative motor 7, and a screw ring rod 9 is fixedly connected to a lower end of the motor shaft 8.

In a specific application, for the spiral ring rod 9, a spiral ring groove 10 is arranged in the spiral ring rod 9, and a spiral ring 11 is fixedly arranged in the spiral ring groove 10.

In a specific application, for the spiral ring groove 10, a threaded rod 12 is movably arranged in the spiral ring groove 10, a thread 13 is fixedly arranged on the threaded rod 12, the thread 13 is matched with the spiral ring 11, the thread 13 is movably connected with the spiral ring 11, and the threaded rod 12 is movably connected with the spiral ring 11 through the thread 13, and the spiral ring 9.

In a specific application, for the threaded rod 12, the lower end of the threaded rod 12 is movably provided with an engaging probe 14, and the engaging probe 14 is fixedly connected with the extension probe 4.

In specific application, for the threaded rod 12, the lower end of the threaded rod 12 is provided with a rotating groove 17, the upper end of the rotating groove 17 is provided with a rotating clamping groove 18, the upper end of the linking probe 14 is fixedly connected with a rotating block 19, the upper end of the rotating block 19 is fixedly connected with a rotating clamping block 20, the rotating block 19 is movably connected with the rotating groove 17, and the rotating clamping block 20 is movably connected with the rotating clamping groove 18.

In specific application, for the telescopic groove 6, slide groove 15 is arranged on two sides of the telescopic groove 6, engagement probe slide block 16 is arranged on two sides of the engagement probe 14, the engagement probe slide block 16 is matched with the slide groove 15, and the engagement probe slide block 16 is movably connected with the slide groove 15.

Compared with the 201720790823.8, 201720634746.7 and 201822106938.8 patents, the level meter can intelligently control the depth of the probe 2, and is convenient to adapt to level measurement of different standard depths of measured media.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, drive motor shaft 8 in proper order through positive and negative motor 7, spiral pole 9 rotates, under draw-in groove 15 and the limiting displacement who links up probe rod fixture block 16, threaded rod 12 can not rotate, and go up and down through the interact of screw 13 with spiral 11, thereby can adjust the lift that extends probe rod 4 so that the regulation that can be intelligent links up probe rod 14, like this can intelligent control probe rod 2's the degree of depth when measuring the level, be convenient for adapt to the level measurement of being surveyed the different standard degree of depth of medium, the utility model discloses the device is not only structural design reasonable, and easy operation, be convenient for adapt to the measurement of being surveyed the level of the different standard degree of depth of medium, can generally use widely.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The guided wave radar level gauge capable of adjusting the length of the probe is characterized by comprising a level gauge body (1) and a probe (2), wherein the probe (2) comprises a main probe (3) and an extension probe (4), a telescopic groove (6) is formed in the main probe (3), and an extension control device (5) is arranged between the telescopic groove (6) and the extension probe (4).

2. The guided wave radar level gauge capable of adjusting the length of the probe according to claim 1, wherein the extension control device (5) comprises a forward and reverse motor (7) fixedly arranged in the telescopic slot (6), a motor shaft (8) is arranged at the lower end of the forward and reverse motor (7), and a screw ring rod (9) is fixedly connected to the lower end of the motor shaft (8).

3. The guided wave radar level gauge with the adjustable probe length of claim 2, wherein a spiral ring groove (10) is formed in the spiral ring rod (9), and a spiral ring (11) is fixedly arranged in the spiral ring groove (10).

4. The guided wave radar level gauge with the adjustable probe length as claimed in claim 3, wherein a threaded rod (12) is movably arranged in the threaded ring groove (10), a thread (13) is fixedly arranged on the threaded rod (12), the thread (13) is matched with the spiral ring (11), the thread (13) is movably connected with the spiral ring (11), and the threaded rod (12) is movably connected with the spiral ring (9) through the thread (13).

5. The guided wave radar level gauge with adjustable probe length of claim 4, characterized in that the lower end of the threaded rod (12) is movably provided with an engaging probe (14), and the engaging probe (14) is fixedly connected with the extension probe (4).

6. The guided wave radar level gauge with the adjustable probe length as claimed in claim 5, wherein a rotary groove (17) is formed at the lower end of the threaded rod (12), a rotary clamping groove (18) is formed at the upper end of the rotary groove (17), a rotary block (19) is fixedly connected to the upper end of the engagement probe (14), a rotary clamping block (20) is fixedly connected to the upper end of the rotary block (19), the rotary block (19) is movably connected with the rotary groove (17), and the rotary clamping block (20) is movably connected with the rotary clamping groove (18).

7. The guided wave radar level gauge with the adjustable probe length as claimed in claim 6, wherein slide clamping grooves (15) are formed on two sides of the telescopic groove (6), engagement probe slide clamping blocks (16) are formed on two sides of the engagement probe (14), the engagement probe slide clamping blocks (16) are matched with the slide clamping grooves (15), and the engagement probe slide clamping blocks (16) are movably connected with the slide clamping grooves (15).