CN112461332A - Material level indicator - Google Patents

Abstract

The invention discloses a material level indicator, which comprises a material pendulum, a main shaft, a seal ring, a gland nut, a mechanical seal for a pump, a mechanical seal seat, an upper bearing seat, a deep groove ball bearing, a support, a fixing plate, a round counter bore strong magnet, a box body, a rotating plate, a sleeve, an angular displacement valve position transmitter and a bottom plate, wherein the support comprises a connecting plate, a supporting cylinder and a cylinder body, the connecting plate is arranged at the bottom wall of the supporting cylinder, the cylinder body is arranged at the upper end of the supporting cylinder in a penetrating manner, the supporting cylinder and the cylinder body are integrally formed, the sleeve is arranged at the upper end of the cylinder body, the upper bearing seat is arranged on the inner wall of the upper end of the cylinder body, the mechanical seal. The invention belongs to the technical field of grain and oil equipment, and particularly provides a material level indicator which is capable of automatically detecting material levels in a storage bin, high in automation degree, good in sealing effect, long in service life and capable of effectively preventing solvent gas in a cylinder of a steam stripping machine from leaking.

Description

Material level indicator

Technical Field

The invention belongs to the technical field of grain and oil equipment, and particularly relates to a material level indicator.

Background

The level indicator is widely applied to grain and oil equipment, is mainly used for automatically detecting and controlling the limit levels of various material bins on equipment such as a desolventizer-toaster, a frying pan and the like, can meet the requirements of different working conditions by different types of level indicators, and has wide application in the material conveying and controlling processes of various industries such as metallurgy, grain, flour, building materials, cement, electric power, coal, chemical engineering, casting, rubber, environmental protection, dust removal and the like.

The most commonly used material level indicator in the prior art comprises a pointer, an indicating plate, a bearing with a seat, a gland, a filler, an equipment cylinder, a support, a main shaft, a material pendulum assembly and other parts. The pointer and the material pendulum assembly are fixed on the main shaft, the indication board is fixed on the support, and the support and the equipment barrel are fixed at the appointed position of the equipment through welding. When the material level indicator is used, the material in the bin can be pushed to rotate when reaching a certain height, so that the pointer is driven to swing, the angle is carved on the indicator, the height of the material can be seen through viewing the angle between the pointer and the indicator, the material feeding speed can be adjusted, and the purpose of controlling the material level is achieved.

The material level indicator commonly used at present simple structure, the effect is single, can only detect the height of material in the ejection of compact storehouse, still need artificial control feeding and ejection of compact to reach the purpose of control material level height, give the power and increase a lot of burdens, and also can't realize the automated control of equipment, what present material level indicator's support and main shaft contact department adopted is that the filler is sealed, contain a large amount of high temperature solvent gas because of the evapo-separated machine, the filler is sealed less ideal under the high-temperature high-pressure state, cause gaseous the revealing of solvent easily, cause the pollution for the environment.

Disclosure of Invention

In order to solve the existing problems, the invention provides the material level indicator which has high practicability, can automatically detect the material level in the storage bin, has high automation degree, has good sealing effect under high temperature and high pressure by adopting mechanical seal for the pump, has long service life and can effectively prevent the solvent gas in the cylinder of the steam stripping machine from leaking.

The technical scheme adopted by the invention is as follows: the invention relates to a material level indicator, which comprises a material pendulum, a main shaft, a sealing ring, a gland nut, a mechanical seal for a pump, a mechanical seal seat, an upper bearing seat, a deep groove ball bearing, a bracket, a fixing plate, a round counter bore strong magnet, a box body, a rotating plate, a sleeve, an angular displacement valve position transmitter and a bottom plate, wherein the bracket comprises a connecting plate, a supporting cylinder and a cylinder body, the connecting plate is arranged at the bottom wall of the supporting cylinder, the supporting cylinder is a hollow cavity with an opening at the lower end, the cylinder body is arranged at the upper end of the supporting cylinder in a penetrating way, the cylinder body is arranged in a hollow cavity with an upper through way, the supporting cylinder and the cylinder body are integrally formed, the sleeve is arranged at the upper end of the cylinder body, the sleeve is arranged in a hollow cavity with an upper through way, the upper bearing seat is arranged, the sealing flange is arranged between the sleeve and the barrel, the sealing flange is fixed between the sleeve and the barrel through the fixed connection of the sleeve and the barrel to realize the fixation of the mechanical sealing seat, the deep groove ball bearing is arranged between the upper bearing seat and the mechanical sealing seat, the deep groove ball bearing is convenient for the relative change between the mechanical sealing seat and the upper bearing seat, the friction resistance between the mechanical sealing seat and the upper bearing seat is reduced, the lower end opening of the barrel is provided with a lower bearing seat, the main shaft is rotatably arranged in the upper bearing seat and the lower bearing seat in a penetrating way, the main shaft is rotatably arranged in the bracket through the upper bearing seat and the lower bearing seat, the mechanical sealing for the pump is arranged in the sleeve and above the mechanical sealing seat, and the mechanical sealing for the pump has good sealing effect under high temperature and high pressure due to the fact that the steam-stripping machine contains a lot, the pressing nut is arranged on the mechanical seal for the pump and used for fixing the mechanical seal for the pump to prevent the mechanical seal for the pump from falling off, the sealing effect of the mechanical seal for the pump can achieve the optimal effect by screwing the nut, the seal ring is arranged at the top of the sleeve, the upper end of the main shaft sequentially penetrates through the mechanical seal seat, the mechanical seal for the pump, the pressing nut and the seal ring and is arranged outside the support, the material pendulum is arranged at the upper end of the main shaft, one end of the fixing plate is arranged at the lower end of the main shaft, the round counter bore powerful magnet is arranged at one end, away from the main shaft, of the fixing plate, the lower wall, away from the main shaft, of the fixing plate is provided with a plurality of groups of round counter bore powerful magnets, the round counter bore powerful magnets are fixed with the main shaft; the box body is arranged on one side wall of the supporting cylinder, which is far away from the cylinder body, the bottom plate is arranged on one side wall of the box body, which is far away from the supporting cylinder, the rotating plate is arranged in the box body, the angular displacement valve position transmitter is arranged on the lower wall of the rotating plate and is fixed in the box body through the rotating plate, the box body is used for storing the angular displacement valve position transmitter, a feedback rod is arranged on the angular displacement valve position transmitter, a plurality of groups of feedback circular counter bore strong magnets are arranged on the feedback rod, when the material pendulum rotates to drive the circular counter bore strong magnets of the fixed plate and the lower wall of the fixed plate to rotate through the main shaft, the circular counter bore strong magnets drive the feedback circular counter bore strong magnets to rotate through magnetic force across the box body, the feedback circular counter bore strong magnets drive the feedback, the angular displacement valve position transmitter is electrically connected with the control room, and the current value is correspondingly changed in proportion according to the position change of the feedback rod and is finally transmitted to the control room.

Furthermore, a connecting flange is arranged at an opening at the upper end of the barrel, an equipment flange is arranged at the lower end of the sleeve, a rubber pad I is arranged on the bottom wall of the sealing flange, connecting bolts are arranged on the connecting flange and the equipment flange in a penetrating mode, the connecting flange and the equipment flange fix the barrel and the sleeve together through the connecting bolts and fixedly seal the sealing flange and the rubber pad I between the connecting flange and the equipment flange, sealing connection of the barrel and the sleeve is achieved, meanwhile, the material level indicator is conveniently fixed at an appointed position of equipment through the connecting flange and the equipment flange, and the material level indicator is convenient to detach through bolt connection.

Furthermore, a sealing plate is arranged between the box body and the supporting cylinder, and the sealing plate divides the lower part of the whole material level indicator into two independent box bodies.

Furthermore, the rotating plate is connected with the box body through screws, and the position of the rotating plate can be freely adjusted.

Further, be equipped with rubber pad five between bottom plate and the box, be equipped with rubber pad four between shrouding and the box lateral wall, be equipped with rubber pad three between shrouding and the support cylinder, thereby rubber pad three and rubber pad four seal the gap between shrouding and box lateral wall and shrouding and the support cylinder and separate into two seal chamber with box and support cylinder completely, be equipped with rubber pad two between step and the support cylinder lateral wall, rubber pad two, rubber pad three, rubber pad four and five leakproofness that increase the device of rubber pad.

Furthermore, the support, the material pendulum and the box body are made of 304 stainless steel materials, so that the material pendulum is firm and durable, and has long service life.

The invention with the structure has the following beneficial effects: this scheme level indicator simple structure, reasonable in design, it is easy and simple to handle, thereby it drives the feedback rod rotation of angle displacement valve position changer to be convenient for indirectly through magnetic force to set up the circular counter bore powerful magnet of feedback and accurately detect the material level, effectively isolated angle displacement valve position changer and material contact, protection angle displacement valve position changer is not impaired, the pump mechanical seal of adoption has fine sealed effect under high temperature high pressure, and its long service life, can effectively prevent to evaporate the solvent gas that takes off the barrel and reveal.

Drawings

FIG. 1 is a cross-sectional view of a level indicator according to the present invention;

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

FIG. 3 is a schematic view of the construction of the level indicator holder according to the invention;

FIG. 4 is a schematic view of an angular displacement valve position transducer of the level indicator of the present invention;

FIG. 5 is a schematic view of the internal structure of the level indicator housing of the present invention.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings: 1. the material pendulum 2, the main shaft 3, the seal ring 4, the sleeve 5, the gland nut 6, the pump mechanical seal 7, the mechanical seal seat 8, the rubber pad I, 9, the upper bearing seat 10, the deep groove ball bearing 11, the support 12, the rubber pad II, 13, the lower bearing seat 14, the fixing plate 15, the round counter bore strong magnet 16, the rubber pad III, 17, the seal plate 18, the rubber pad IV, 19, the box body 20, the rotating plate 21, the angular displacement valve position transducer 22, the rubber pad V, 23, the bottom plate 24, the equipment flange 25, the seal flange 26, the feedback rod 27, the feedback round counter bore strong magnet 28, the connecting flange 29, the connecting bolt 30, the screw 32, the connecting plate 33, the supporting cylinder 34 and the cylinder body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-5, the material level indicator of the present invention comprises a material pendulum 1, a main shaft 2, a seal ring 3, a gland nut 5, a pump mechanical seal 6, a mechanical seal seat 7, an upper bearing seat 9, a deep groove ball bearing 10, a bracket 11, a fixing plate 14, a circular counter bore strong magnet 15, a box 19, a rotating plate 20, a sleeve 4, an angular displacement valve position transmitter 21 and a bottom plate 23, wherein the bracket 11 comprises a connecting plate 32, a supporting cylinder 33 and a cylinder 34, the connecting plate 32 is arranged on the bottom wall of the supporting cylinder 33, the supporting cylinder 33 is a hollow cavity with an open lower end, the cylinder 34 is arranged at the upper end of the supporting cylinder 33 in a penetrating manner, the supporting cylinder 33 and the cylinder 34 are integrally formed, the sleeve 4 is arranged at the upper end of the cylinder 34, the sleeve 4 is arranged in a hollow cavity with an up-down penetrating manner, the upper bearing, the mechanical seal seat 7 is arranged on the inner wall of the opening at the lower end of the sleeve 4, the mechanical seal seat 7 is arranged above the upper bearing seat 9, the lower wall of the mechanical seal seat 7 is provided with a seal flange 25, the seal flange 25 is arranged between the sleeve 4 and the barrel 34, the deep groove ball bearing 10 is arranged between the upper bearing seat 9 and the mechanical seal seat 7, the opening at the lower end of the barrel 34 is provided with a lower bearing seat 13, the main shaft 2 is rotatably arranged in the upper bearing seat 9 and the lower bearing seat 13, the main shaft 2 is rotatably arranged in the bracket 11 through the upper bearing seat 9 and the lower bearing seat 13, the mechanical seal 6 for the pump is arranged in the sleeve 4 and above the mechanical seal seat 7, the gland nut 5 is arranged on the mechanical seal 6 for the pump, the seal ring 3 is arranged at the top of the sleeve 4, the upper end of the main shaft 2 sequentially penetrates through the mechanical seal seat, the material pendulum 1 is arranged at the upper end of the main shaft 2, one end of the fixing plate 14 is arranged at the lower end of the main shaft 2, the round counter bore strong magnet 15 is arranged at one end of the fixing plate 14 far away from the main shaft 2, and the lower wall of one end of the fixing plate 14 far away from the main shaft 2 is provided with a plurality of groups of round counter bore strong magnets 15; the box body 19 is arranged on one side wall of the supporting cylinder 33 far away from the cylinder body 34, the bottom plate 23 is arranged on one side wall of the box body 19 far away from the supporting cylinder 33, the rotating plate 20 is arranged in the box body 19, the angular displacement valve position transmitter 21 is arranged on the lower wall of the rotating plate 20, the angular displacement valve position transmitter 21 is provided with a feedback rod 26, and the feedback rod 26 is provided with a plurality of groups of feedback round counter bore powerful magnets 27.

Wherein, a connecting flange 28 is arranged at an opening at the upper end of the cylinder 34, an equipment flange 24 is arranged at the lower end of the sleeve 4, a rubber pad 8 is arranged on the bottom wall of the sealing flange 25, and connecting bolts 29 are arranged on the connecting flange 28, the sealing flange 25 and the equipment flange 24 in a penetrating manner; a sealing plate 17 is arranged between the box body 19 and the supporting cylinder 33, and the rotating plate 20 is connected with the box body 19 through a screw 30; a rubber pad five 22 is arranged between the bottom plate 23 and the box body 19, a rubber pad four 18 is arranged between the sealing plate 17 and the side wall of the box body 19, a rubber pad three 16 is arranged between the sealing plate 17 and the supporting cylinder 33, a rubber pad two 12 is arranged between the lower bearing seat 13 and the side wall of the supporting cylinder 33, and the support 11, the material pendulum 1 and the box body 19 are made of 304 stainless steel.

When the material level indicator is used specifically, the material level indicator is fixed at a specified position of equipment through the connecting flange 28, the equipment flange 24 and the connecting bolt 29, the material pendulum 1 corresponds to the upper limit position of the material level, when the material is higher than the upper limit position, the material pendulum 1 is pushed to rotate, the material pendulum 1 rotates to drive the main shaft 2 to rotate, the main shaft 2 drives the fixing plate 14 and the circular counter bore strong magnet 15 at the lower wall of the fixing plate 14 to rotate around the main shaft 2, the circular counter bore strong magnet 15 drives the feedback circular counter bore strong magnet 27 to rotate through the box body 19 through the magnetic effect, the feedback circular counter bore strong magnet 27 drives the feedback rod 26 to rotate by the same angle, so that the angular displacement valve position transmitter 21 can detect the rotating angle of the material pendulum 1 through detecting the rotating angle of the feedback rod 26, the angular displacement valve position 21 is electrically connected with a material loading and unloading control chamber, the position of the feedback, at last, the control room is communicated, the 'empty' and 'full' conditions of the materials in the material preparation bin are displayed on a control room simulation drawing board, signals are given, corresponding equipment is started through a control circuit, the corresponding materials and the material bins are selected for loading, and therefore the purpose of automatic control is achieved, the mechanical seal 6 for the pump has a good sealing effect under high temperature and high pressure, the service life of the mechanical seal is long, and gas leakage in the cylinder body 34 can be effectively prevented.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. A level indicator, comprising: the mechanical seal device comprises a material pendulum, a main shaft, a seal ring, a gland nut, a mechanical seal for a pump, a mechanical seal seat, an upper bearing seat, a deep groove ball bearing, a support, a fixed plate, a round counter bore strong magnet, a box body, a rotating plate, a sleeve, an angular displacement valve position transmitter and a bottom plate, wherein the support comprises a connecting plate, a support cylinder and a cylinder body, the connecting plate is arranged on the bottom wall of the support cylinder, the support cylinder is a hollow cavity with an opening at the lower end, the cylinder body is arranged at the upper end of the support cylinder in a penetrating manner, the support cylinder and the cylinder body are integrally formed, the sleeve is arranged at the upper end of the cylinder body, the upper bearing seat is arranged on the inner wall of the upper end of the cylinder body, the mechanical seal seat is arranged, the deep groove ball bearing is arranged between the upper bearing seat and the mechanical sealing seat, a lower bearing seat is arranged at the opening at the lower end of the cylinder body, the main shaft is rotatably arranged in the upper bearing seat and the lower bearing seat in a penetrating manner, the main shaft is rotatably arranged in the bracket through the upper bearing seat and the lower bearing seat, the mechanical sealing for the pump is arranged in the sleeve and is arranged above the mechanical sealing seat, the gland nut is arranged on the mechanical sealing for the pump, the seal ring is arranged at the top of the sleeve, the upper end of the main shaft sequentially penetrates through the mechanical sealing seat, the mechanical sealing for the pump, the gland nut and the seal ring to be arranged outside the bracket, the material pendulum is arranged at the upper end of the main shaft, one end of the fixed plate is arranged at the lower end of the main shaft, the round counter bore strong magnet is arranged at one end, the bottom plate is arranged on the side wall of the box body, which is far away from the supporting barrel, the rotating plate is arranged in the box body, the angular displacement valve position transmitter is arranged on the lower wall of the rotating plate, a feedback rod is arranged on the angular displacement valve position transmitter, and a plurality of groups of feedback round counter bore powerful magnets are arranged on the feedback rod.

2. A level indicator according to claim 1, wherein: a connecting flange is arranged at an opening at the upper end of the barrel, an equipment flange is arranged at the lower end of the sleeve, a rubber pad I is arranged on the bottom wall of the sealing flange, and connecting bolts penetrate through the connecting flange, the sealing flange and the equipment flange.

3. A level indicator according to claim 1, wherein: a sealing plate is arranged between the box body and the supporting cylinder.

4. A level indicator according to claim 1, wherein: the rotating plate is connected with the box body through screws.

5. A level indicator according to claim 3, wherein: a rubber pad five is arranged between the bottom plate and the box body, a rubber pad four is arranged between the sealing plate and the side wall of the box body, a rubber pad three is arranged between the sealing plate and the supporting cylinder, and a rubber pad two is arranged between the lower bearing seat and the side wall of the supporting cylinder.

6. A level indicator according to claim 1, wherein: the support, the material pendulum and the box body are made of 304 stainless steel.

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