CN213874570U

CN213874570U - Buoy type magnetostrictive liquid level transmitter capable of preventing measuring rod from bending

Info

Publication number: CN213874570U
Application number: CN202022712699.8U
Authority: CN
Inventors: 张拴祥; 周秋绒
Original assignee: Shaanxi Hangyu Satellite Measurement Technology Co ltd
Current assignee: Shaanxi Hangyu Satellite Measurement Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-03
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a level sensor technical field, and disclose a buoy type magnetostrictive liquid level transmitter who avoids the measuring staff crooked, including open-top's stainless steel flotation pontoon, the top of stainless steel flotation pontoon is equipped with the annular apron of matching, and is connected through elastic sleeve joint mechanism between annular apron and the stainless steel flotation pontoon, the top fixed mounting of annular apron has magnetostrictive liquid level transmitter, magnetostrictive liquid level transmitter's test end fixed mounting has the measuring staff, the other end of measuring staff runs through the center department of annular apron and the inner chamber setting of downwardly extending to stainless steel flotation pontoon, the magnetism ball that matches is cup jointed in the slip on the measuring staff, the stainless steel flotation pontoon is close to fixedly connected with locating support between the section of thick bamboo wall of bottom. The utility model discloses can not only effectually prevent to be crooked because of the measuring staff that the magnetic levitation ball range is too big and arouse, make moreover between magnetostrictive liquid level transmitter and the stainless steel flotation pontoon convenient as required carry out quick assembly disassembly.

Description

Buoy type magnetostrictive liquid level transmitter capable of preventing measuring rod from bending

Technical Field

The utility model relates to a level sensor technical field especially relates to an avoid crooked pontoon magnetostriction liquid level changer of measuring staff.

Background

The magnetostrictive liquid level transducer is a liquid level sensor manufactured by utilizing the magnetostrictive phenomenon, converts pulse waves into magnetic field waves through a magnetostrictive coil, measures the travel distance of the magnetic field waves through the reflection of the magnetic field waves, and further measures the liquid level position.

In a patent with the Chinese patent authorization number of CN210922781U, a magnetostrictive liquid level transmitter is disclosed, when in use, a panel of a gauge head is provided with an adjusting hole, so that the reference voltage can be conveniently adjusted on the premise of not disassembling the gauge head, and an HART communication hook and a signal waveform test hook are integrated on an integrated circuit, so that the magnetostrictive liquid level transmitter can be conveniently connected with external debugging equipment and can be conveniently subjected to precision debugging;

in the patent with the Chinese patent No. CN202836687U, a bent measuring rod magnetostrictive liquid level sensor is disclosed, when in use, the bent section of the measuring rod can avoid obstacles in a container and ensure that the straight measuring section is vertical to the liquid level, and because a magnetic sensitive part can be bent and has elasticity, a magnetic level detection mechanism can be bent, rolled and transported, can be installed in a low and narrow space, and can adapt to the deformation of the measuring rod under the condition of keeping the total length unchanged;

however, the above two patents still have the following drawbacks:

the measuring rod of the magnetostrictive liquid level transmitter is not provided with any fixing mechanism at the tail end, and when the sliding range of the magnetic suspension ball along the measuring rod is too large, the two ends of the measuring rod are unbalanced in stress, so that the measuring rod is bent and damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the above background art, and the buoy type magnetostrictive liquid level transmitter who avoids the measuring staff to bend that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a buoy type magnetostrictive liquid level transmitter capable of avoiding bending of a measuring bar comprises a stainless steel buoy with an opening at the top, wherein a matched annular cover plate is arranged at the top of the stainless steel buoy, the annular cover plate is connected with the stainless steel buoy through an elastic sleeving mechanism, a magnetostrictive liquid level transmitter is fixedly arranged at the top of the annular cover plate, the measuring bar is fixedly arranged at a testing end of the magnetostrictive liquid level transmitter, the other end of the measuring bar penetrates through the center of the annular cover plate and extends downwards to an inner cavity of the stainless steel buoy, a matched magnetic floating ball is sleeved on the measuring bar in a sliding manner, a positioning support is fixedly connected between the cylinder wall of the stainless steel buoy close to the bottom end, a positioning cylinder is fixedly connected to the lower surface of the positioning support, a positioning hole matched with the measuring bar is formed in the center of the positioning support, and the bottom end of the measuring bar penetrates through the positioning hole and extends into the positioning cylinder, the stainless steel buoy is attached to the bottom of the positioning cylinder, the bottom of the stainless steel buoy is fixedly communicated with a drain pipe through a drain flange, and the drain pipe is fixedly provided with a matched drain valve;

elasticity coupling mechanism includes the first butt joint piece of symmetry fixed connection on annular apron lateral wall, the stainless steel flotation pontoon is close to symmetrical fixedly connected with and the corresponding second butt joint piece of first butt joint piece on the lateral wall on top, first butt joint piece and second butt joint piece are the half cylinder structure, and laminate the setting each other, the tip fixedly connected with horizontal pole of first butt joint piece, the sleeve that matches is cup jointed in the slip on the horizontal pole, and sleeve and the common sliding connection of first butt joint piece and second butt joint piece, the tip fixedly connected with stopper of horizontal pole, fixedly connected with spring between stopper and the sleeve, and the spring housing establishes and sets up on the horizontal pole.

Preferably, the lateral wall of stainless steel flotation pontoon is fixed the intercommunication and is had two violently pipes that the symmetry set up, and violently the tip of pipe is equipped with mounting flange.

Preferably, the lower surface of the annular cover plate is fixedly connected with a convex ring, and a sealing ring which is attached to the inner wall of the stainless steel buoy is installed on the outer side of the convex ring.

Preferably, the diameters of the first butt block, the second butt block and the cross rod are all equal.

Preferably, the lower surface of the first butt joint block is fixedly connected with a convex block, the upper surface of the second butt joint block is provided with a groove, and the convex block and the groove are clamped.

Compared with the prior art, the utility model provides an avoid crooked pontoon magnetostriction liquid level changer of measuring staff possesses following beneficial effect:

the buoy type magnetostrictive liquid level transmitter capable of avoiding the bending of the measuring bar has the advantages that the stainless steel buoy, the annular cover plate, the elastic sleeving mechanism, the magnetostrictive liquid level transmitter, the measuring bar, the magnetic floating ball, the positioning support, the positioning cylinder, the blow-off pipe and the blow-off valve are arranged, the magnetostrictive liquid level transmitter is arranged in the stainless steel buoy, the occupied space is effectively reduced through the integrated structure design, the magnetostrictive liquid level transmitter and the measuring bar can be protected by the stainless steel buoy, the bottom end of the measuring bar penetrates through the positioning support and extends into the positioning cylinder, so that when the magnetic floating ball slides along the measuring bar, the two ends of the measuring bar can be uniformly stressed, the bending of the measuring bar caused by the overlarge measuring range of the magnetic floating ball can be effectively prevented, the elastic sleeving mechanism is convenient for quickly disassembling and assembling the annular cover plate and the stainless steel buoy, and the magnetostrictive liquid level transmitter and the measuring bar are convenient to maintain as required, and a drain valve is opened periodically, and the stainless steel buoy is convenient to drain through a drain pipe.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can not only effectually prevent to be crooked because of the measuring staff that the magnetic levitation ball range is too big and arouse, make moreover between magnetostrictive liquid level transmitter and the stainless steel flotation pontoon convenient as required carry out quick assembly disassembly.

Drawings

Fig. 1 is a schematic structural view of a float-type magnetostrictive liquid level transmitter for avoiding bending of a measuring bar according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the device comprises a stainless steel buoy 1, an annular cover plate 2, a magnetostrictive liquid level transmitter 3, a measuring rod 4, a magnetic floating ball 5, a positioning support 6, a positioning cylinder 7, a sewage discharge flange 8, a sewage discharge pipe 9, a sewage discharge valve 10, a first butt joint block 11, a second butt joint block 12, a cross rod 13, a sleeve 14, a limiting block 15, a spring 16, a transverse pipe 17, an installation flange 18, a convex ring 19, a sealing ring 20 and a convex block 21.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Embodiment 1 as shown in fig. 1-3, the buoy type magnetostrictive liquid level transmitter capable of preventing a measuring bar from bending includes a stainless steel buoy 1 with an open top, a matched annular cover plate 2 is disposed on the top of the stainless steel buoy 1, the annular cover plate 2 is connected with the stainless steel buoy 1 through an elastic sleeving mechanism, a magnetostrictive liquid level transmitter 3 is fixedly mounted on the top of the annular cover plate 2, a measuring bar 4 is fixedly mounted on a testing end of the magnetostrictive liquid level transmitter 3, the other end of the measuring bar 4 penetrates through the center of the annular cover plate 2 and extends downwards to an inner cavity of the stainless steel buoy 1, a matched magnetic floating ball 5 is slidably sleeved on the measuring bar 4, a positioning bracket 6 is fixedly connected between cylinder walls of the stainless steel buoy 1 near the bottom end, a positioning cylinder 7 is fixedly connected to the lower surface of the positioning bracket 6, a positioning hole matched with the measuring bar 4 is formed in the center of the positioning bracket 6, the bottom end of the measuring rod 4 penetrates through the positioning hole and extends into the positioning cylinder 7, and is attached to the cylinder bottom inside the positioning cylinder 7, the bottom of the stainless steel buoy 1 is fixedly communicated with a sewage discharge pipe 9 through a sewage discharge flange 8, and a matched sewage discharge valve 10 is fixedly arranged on the sewage discharge pipe 9;

the elastic sleeve joint mechanism comprises a first butt joint block 11 symmetrically and fixedly connected on the side wall of the annular cover plate 2, a second butt joint block 12 corresponding to the first butt joint block 11 is symmetrically and fixedly connected on the side wall of the stainless steel buoy 1 close to the top end, the first butt joint block 11 and the second butt joint block 12 are both in a semi-cylinder structure and are mutually attached, a cross rod 13 is fixedly connected at the end part of the first butt joint block 11, a matched sleeve 14 is sleeved on the cross rod 13 in a sliding mode, the sleeve 14 is connected with the first butt joint block 11 and the second butt joint block 12 in a sliding mode, a limiting block 15 is fixedly connected at the end part of the cross rod 13, a spring 16 is fixedly connected between the limiting block 15 and the sleeve 14, the spring 16 is sleeved on the cross rod 13, the magnetostrictive liquid level transmitter 3 is arranged in the stainless steel buoy 1, the integral structure design is adopted, the occupied space is effectively reduced, and the stainless steel buoy 1 can protect the magnetostrictive liquid level transmitter 3 and the measuring rod 4, the bottom end of the measuring rod 4 penetrates through the positioning support 6 and extends into the positioning cylinder 7, so that when the magnetic floating ball 5 slides along the measuring rod 4, two ends of the measuring rod 4 can be uniformly stressed, the bending of the measuring rod 4 caused by the overlarge range of the magnetic floating ball 5 can be effectively prevented, the sleeve 14 is pulled to slide along the cross rod 13 and compress the spring 16, the sleeve 14 is separated from the first butt joint block 11 and the second butt joint block 12 which are mutually attached, the annular cover plate 2 and the stainless steel buoy 1 can be conveniently detached and separated, the sleeve 14 is pulled to slide along the cross rod 13, the annular cover plate 2 is arranged at the top of the stainless steel buoy 1, the first butt joint block 11 on the side wall of the annular cover plate 2 and the second butt joint block 12 on the side wall of the stainless steel buoy 1 are mutually attached, the sleeve 14 is loosened, the spring 16 drives the sleeve to automatically reset, and the sleeve 14 is sleeved on the first butt joint block 11 and the second butt joint block 12 together, can accomplish the installation between annular apron 2 and the stainless steel flotation pontoon 1 fast to make magnetostrictive liquid level transmitter 3 and measuring staff 4 convenient as required maintain, regularly open blowoff valve 10, make things convenient for stainless steel flotation pontoon 1 to carry out the blowdown through blow off pipe 9 and handle.

Embodiment 2 is based on embodiment 1, as shown in fig. 1, two symmetrically arranged transverse pipes 17 are fixedly communicated with the side wall of the stainless steel buoy 1, and an installation flange 18 is arranged at the end of each transverse pipe 17, so that the stainless steel buoy 1 can be conveniently positioned and installed.

Embodiment 3 as shown in fig. 2 based on embodiment 1, a convex ring 19 is fixedly connected to the lower surface of the annular cover plate 2, and a sealing ring 20 attached to the inner wall of the stainless steel buoy 1 is installed outside the convex ring 19 to ensure the sealing performance between the annular cover plate 2 and the stainless steel buoy 1.

Example 4 is based on example 1 and is shown in fig. 2, and the diameters of the first butt block 11, the second butt block 12 and the cross bar 13 are all equal.

In embodiment 5, as shown in fig. 2 based on embodiment 1, a bump 21 is fixedly connected to a lower surface of a first butt block 11, a groove is formed in an upper surface of a second butt block 12, and the bump 21 and the groove are engaged with each other, so that the first butt block 11 and the second butt block 12 can be positioned and attached to each other.

Embodiment 6 as shown in fig. 1-3, the buoy type magnetostrictive liquid level transmitter capable of preventing a measuring bar from bending includes a stainless steel buoy 1 with an open top, a matched annular cover plate 2 is disposed on the top of the stainless steel buoy 1, the annular cover plate 2 is connected to the stainless steel buoy 1 through an elastic sleeving mechanism, a magnetostrictive liquid level transmitter 3 is fixedly mounted on the top of the annular cover plate 2, a measuring bar 4 is fixedly mounted on a testing end of the magnetostrictive liquid level transmitter 3, the other end of the measuring bar 4 penetrates through the center of the annular cover plate 2 and extends downwards to an inner cavity of the stainless steel buoy 1, a matched magnetic floating ball 5 is slidably sleeved on the measuring bar 4, a positioning bracket 6 is fixedly connected between cylinder walls of the stainless steel buoy 1 near the bottom end, a positioning cylinder 7 is fixedly connected to the lower surface of the positioning bracket 6, a positioning hole matched with the measuring bar 4 is formed in the center of the positioning bracket 6, the bottom end of the measuring rod 4 penetrates through the positioning hole and extends into the positioning cylinder 7, and is attached to the cylinder bottom inside the positioning cylinder 7, the bottom of the stainless steel buoy 1 is fixedly communicated with a blow-off pipe 9 through a blow-off flange 8, a matched blow-off valve 10 is fixedly installed on the blow-off pipe 9, the elastic sleeving mechanism comprises a first butt joint block 11 symmetrically and fixedly connected to the side wall of the annular cover plate 2, a second butt joint block 12 corresponding to the first butt joint block 11 is symmetrically and fixedly connected to the side wall of the stainless steel buoy 1 close to the top end, the first butt joint block 11 and the second butt joint block 12 are both in semi-cylindrical structures and are attached to each other, and a cross rod 13 is fixedly connected to the end portion of the first butt joint block 11;

the matched sleeve 14 is slidably sleeved on the cross rod 13, the sleeve 14 is slidably connected with the first butt joint block 11 and the second butt joint block 12 together, the end part of the cross rod 13 is fixedly connected with a limiting block 15, a spring 16 is fixedly connected between the limiting block 15 and the sleeve 14, the spring 16 is sleeved on the cross rod 13, two transverse pipes 17 which are symmetrically arranged are fixedly communicated on the side wall of the stainless steel buoy 1, a mounting flange 18 is arranged at the end part of each transverse pipe 17, a convex ring 19 is fixedly connected to the lower surface of the annular cover plate 2, a sealing ring 20 which is attached to the inner wall of the stainless steel buoy 1 is installed on the outer side of the convex ring 19, the diameters of the first butt joint block 11, the second butt joint block 12 and the cross rod 13 are equal, a convex block 21 is fixedly connected to the lower surface of the first butt joint block 11, a groove is formed in the upper surface of the second butt joint block 12, and the convex block 21 is clamped with the groove.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A buoy type magnetostrictive liquid level transmitter capable of avoiding bending of a measuring bar comprises a stainless steel buoy (1) with an opening at the top, and is characterized in that a matched annular cover plate (2) is arranged at the top of the stainless steel buoy (1), the annular cover plate (2) is connected with the stainless steel buoy (1) through an elastic sleeving mechanism, a magnetostrictive liquid level transmitter (3) is fixedly installed at the top of the annular cover plate (2), a measuring bar (4) is fixedly installed at a testing end of the magnetostrictive liquid level transmitter (3), the other end of the measuring bar (4) penetrates through the center of the annular cover plate (2) and extends downwards to an inner cavity of the stainless steel buoy (1) to be arranged, a matched magnetic floating ball (5) is sleeved on the measuring bar (4) in a sliding mode, and a positioning support (6) is fixedly connected between the cylinder walls of the stainless steel buoy (1) close to the bottom end, the lower surface of the positioning support (6) is fixedly connected with a positioning barrel (7), a positioning hole matched with the measuring rod (4) is formed in the center of the positioning support (6), the bottom end of the measuring rod (4) penetrates through the positioning hole and extends into the positioning barrel (7), the measuring rod is attached to the barrel bottom inside the positioning barrel (7), the bottom of the stainless steel buoy (1) is fixedly communicated with a sewage discharge pipe (9) through a sewage discharge flange (8), and a matched sewage discharge valve (10) is fixedly installed on the sewage discharge pipe (9);

the elastic socket joint mechanism comprises first butt joint blocks (11) which are symmetrically and fixedly connected on the side wall of the annular cover plate (2), the side wall of the stainless steel buoy (1) close to the top end is symmetrically and fixedly connected with a second butt joint block (12) corresponding to the first butt joint block (11), the first butt joint block (11) and the second butt joint block (12) are both in a semi-cylinder structure, and are mutually attached, the end part of the first butt joint block (11) is fixedly connected with a cross rod (13), the cross rod (13) is sleeved with a matched sleeve (14) in a sliding way, and the sleeve (14) is connected with the first butt joint block (11) and the second butt joint block (12) in a sliding way, the end part of the cross rod (13) is fixedly connected with a limiting block (15), a spring (16) is fixedly connected between the limiting block (15) and the sleeve (14), and the spring (16) is sleeved on the cross rod (13).

2. The buoy type magnetostrictive liquid level transmitter capable of avoiding the bending of the measuring bar as claimed in claim 1, characterized in that two symmetrically arranged transverse pipes (17) are fixedly communicated with the side wall of the stainless steel buoy (1), and the end parts of the transverse pipes (17) are provided with mounting flanges (18).

3. The buoy-type magnetostrictive liquid level transmitter capable of avoiding the bending of the measuring rod as claimed in claim 1, wherein a convex ring (19) is fixedly connected to the lower surface of the annular cover plate (2), and a sealing ring (20) attached to the inner wall of the stainless steel buoy (1) is installed on the outer side of the convex ring (19).

4. A buoy magnetostrictive liquid level transmitter as claimed in claim 1, characterized in that the first butt-joint block (11), the second butt-joint block (12) and the cross-bar (13) are of equal diameter.

5. The buoy type magnetostrictive liquid level transmitter capable of avoiding the bending of the measuring rod as claimed in claim 1, wherein a bump (21) is fixedly connected to the lower surface of the first butt block (11), a groove is formed in the upper surface of the second butt block (12), and the bump (21) is clamped with the groove.

6. The buoy type magnetostrictive liquid level transmitter capable of avoiding bending of the measuring bar according to claim 1, comprising a stainless steel buoy (1) with an opening at the top, and is characterized in that a matched annular cover plate (2) is arranged at the top of the stainless steel buoy (1), the annular cover plate (2) is connected with the stainless steel buoy (1) through an elastic sleeving mechanism, a magnetostrictive liquid level transmitter (3) is fixedly installed at the top of the annular cover plate (2), a measuring bar (4) is fixedly installed at a testing end of the magnetostrictive liquid level transmitter (3), the other end of the measuring bar (4) penetrates through the center of the annular cover plate (2) and extends downwards to an inner cavity of the stainless steel buoy (1) to be arranged, a matched magnetic floating ball (5) is sleeved on the measuring bar (4) in a sliding manner, and a positioning support (6) is fixedly connected between the cylinder walls of the stainless steel buoy (1) close to the bottom end, the lower surface of the positioning support (6) is fixedly connected with a positioning cylinder (7), the center of the positioning support (6) is provided with a positioning hole matched with the measuring rod (4), the bottom end of the measuring rod (4) penetrates through the positioning hole and extends into the positioning cylinder (7) and is attached to the cylinder bottom inside the positioning cylinder (7), the bottom of the stainless steel buoy (1) is fixedly communicated with a sewage discharge pipe (9) through a sewage discharge flange (8), a matched sewage discharge valve (10) is fixedly installed on the sewage discharge pipe (9), the elastic sleeving mechanism comprises a first butt joint block (11) which is symmetrically and fixedly connected onto the side wall of the annular cover plate (2), the side wall of the stainless steel buoy (1) close to the top end is symmetrically and fixedly connected with a second butt joint block (12) corresponding to the first butt joint block (11), and the first butt joint block (11) and the second butt joint block (12) are both in a semi-cylinder structure, the first butt joint blocks (11) are mutually attached, and the end parts of the first butt joint blocks (13) are fixedly connected with a cross rod;

the utility model discloses a stainless steel buoy joint structure, including horizontal pole (13), slip cup joint the sleeve (14) that matches on horizontal pole (13), and sleeve (14) and first butt joint piece (11) and the common sliding connection of second butt joint piece (12), the tip fixedly connected with stopper (15) of horizontal pole (13), fixedly connected with spring (16) between stopper (15) and sleeve (14), and spring (16) cover is established on horizontal pole (13) and is set up, fixed intercommunication has violently pipe (17) of two symmetry settings on the lateral wall of stainless steel buoy (1), and the tip of violently pipe (17) is equipped with mounting flange (18), the lower fixed surface of annular apron (2) is connected with bulge loop (19), and the outside of bulge loop (19) install sealing washer (20) of laminating mutually with stainless steel buoy (1) inner wall, the diameter homogeneous phase of first butt joint piece (11), second butt joint piece (12) and horizontal pole (13) equals, the lower surface of the first butt joint block (11) is fixedly connected with a convex block (21), the upper surface of the second butt joint block (12) is provided with a groove, and the convex block (21) is clamped with the groove.