CN105372004A - Slurry transmitter - Google Patents
Slurry transmitter Download PDFInfo
- Publication number
- CN105372004A CN105372004A CN201410421541.1A CN201410421541A CN105372004A CN 105372004 A CN105372004 A CN 105372004A CN 201410421541 A CN201410421541 A CN 201410421541A CN 105372004 A CN105372004 A CN 105372004A
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- CN
- China
- Prior art keywords
- transmitter
- diaphragm element
- pressure inlet
- diaphragm
- mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a slurry transmitter. The slurry transmitter includes a filler neck and an elastic body assembly; the left end portion of the filler neck is provided with a containing groove; a diaphragm component is arranged in the containing groove; a diaphragm cavity is formed between the right end surface of the diaphragm component and the right end surface of the containing groove; a mounting hole which is fixedly connected with an induction head is formed at the right end portion of the filler neck; a capillary is connected with and passes through the induction head; one end of the capillary passes through the right end portion of the filler neck and is communicated with the diaphragm cavity; the elastic body assembly comprises an elastic body and a strain gauge; the elastic body comprises a body and a strain beam; the strain gauge is attached to the right end surface of the strain beam; and a cavity which is communicated with the other end of the capillary is formed between the right end surface of the induction head and the left end surface of the strain beam. With the slurry transmitter of the invention adopted, a measured medium is not directly contacted with the elastic body, so that the elastic body is not worn, and therefore, zero position variation can be avoided, and the accuracy of pressure measurement of the slurry transmitter can be improved, and the service life of the slurry transmitter can be prolonged.
Description
Technical field
The present invention relates to a kind of mud transmitter.
Background technology
Filling system pressure unit is a transmitter for tunneling shield machinery.At present, as shown in Figure 1, traditional mud transmitter comprises pressure inlet 1 ', be fixed on the shell 2 ' on this pressure inlet 1 ' right side, be fixed on the Hirschmann plug-in unit 3 ' on the right side of this shell 2 ', a shoulder hole 11 ' is offered in this pressure inlet 1 ', the interior axis direction along this pressure inlet of this shoulder hole 11 ' is provided with an elastomeric components from left to right successively, support 6 ', pressing plate 7 ', this elastomeric components comprises an elastic body 4 ' and a strainometer 5 ', this elastic body 4 ' comprises a body 41 ' and is positioned at strain beam 42 ' on the left side of this body 41 ', the right side that this strainometer 5 ' is attached at this strain beam 42 ' is positioned at this body 41 ', for being tightly connected between this elastomeric outside wall surface and wall of this corresponding shoulder hole, the output terminal of this strainometer is electrically connected with the input end of a magnification circuit plate by a compensating plate 8 ', this compensating plate 8 ' is fixed on this pressing plate 7 ' by pad 81 ' and screw 82 ', and this magnification circuit plate 9 ' is inserted on the right side of this compensating plate 8 ', the output terminal of this magnification circuit plate 9 ' is electrically connected with the input end of this Hirschmann plug-in unit 3 ' by some connection wires 91 '.
But, this mud transmitter measures mud for master, traditional mud transmitter directly contacts measured medium at pressure measuring service elastomer, make the flowing of mud easily produce wearing and tearing to surface of elastomer, and elastomeric thickness is according to using range to determine, after long term wear, elastomeric strain beam thickness will be made to reduce, distortion is increased, thus the zero-bit of mud transmitter is changed, pressure measurement errors is large, finally causes measurement inaccurate.
Summary of the invention
The technical problem to be solved in the present invention easily changes and the defect such as pressure measurement errors is large to overcome traditional mud transmitter elastomer surface of the prior art zero-bit easy to wear, mud transmitter, there is provided a kind of mud transmitter, this mud transmitter avoids elastic body and cause the heavy wear of mud transmitter elastic body because of Long contact time mud in measuring process.
The present invention solves above-mentioned technical matters by following technical proposals:
A kind of mud transmitter, comprise pressure inlet and elastomeric components, its feature is, the left part of this pressure inlet is provided with a storage tank, a diaphragm element is provided with in this storage tank, the outside wall surface of this diaphragm element by between at least one seal member and the wall of this storage tank for being tightly connected, and be formed with a diaphragm cavity between the right side of this diaphragm element and the right side of this storage tank;
The right part of this pressure inlet is provided with a mounting hole, and this mounting hole internal fixtion is connected with an inductive head, runs through and be connected with one for filling the kapillary of full silicone oil in this inductive head, one end of this kapillary through this pressure inlet right part and be connected with this diaphragm cavity;
This elastomeric components comprises an elastic body and a strainometer, this elastic body comprises a body and is positioned at strain beam on the right side of this body, this strainometer is attached on the right side of this strain beam, the inner wall sleeve of this body is located on the outer wall of the right part of this inductive head, and is formed with a cavity be connected with the other end of this kapillary between the right side of this inductive head and the left side of this strain beam.
In this programme, directly measured medium is contacted by diaphragm element, transfer the pressure to elastic body by the silicone oil in kapillary again and obtain force value, make after avoiding the direct contact resilient body of measured medium elastic body produce wearing and tearing and bring zero-bit change, improve the tonometric accuracy of this mud transmitter, and add the serviceable life of this mud transmitter.Meanwhile, the processing of this mud transmitter is simpler and easy, saves processing cost.Wherein, product well known in the prior art is counted in strain, and its model is ZF1000-(10-B13) KA (11)-D, can in industry Electrical Measuring Instrument incorporated company of Air China commercially.
Preferably, align with the left side of this pressure inlet in the left side of this diaphragm element.
In this programme, there is irregular situation and affect product appearance when adopting said structure that pressure inlet and diaphragm element can be avoided to assemble.
Preferably, the outside wall surface of this diaphragm element by two between seal member and the wall of this storage tank for being tightly connected, and two seal members are arranged at intervals between the outside wall surface of this diaphragm element and the wall of this storage tank along the axis direction of this diaphragm element.
In this programme, two seal members are adopted to achieve the double seal of diaphragm cavity, even if there is damage in the seal member being positioned at left end, the seal member being positioned at right-hand member still can play sealing function to this diaphragm cavity, avoids because the effect causing silicone oil can not play pressure transmission revealed by the silicone oil in diaphragm cavity.
Preferably, the material of this diaphragm element is 316L stainless steel, and the thickness of this diaphragm element is 9mm.
In this programme, adopt 316L stainless diaphragm element, this diaphragm element can not be got rusty, and can resistance to certain Acidity of Aikalinity, the mud kind making it possible to measure is more, and usable range is wider.In addition, diaphragm element plays and experiences pressure and the effect of transmitting.In addition, front end adopts the diaphragm element diaphragm element that 9mm is thick, even if can ensure that diaphragm element abrasion number millimeter still can keep mud transmitter normally to use.
Preferably, the internal diameter of this kapillary is 0.5mm-3mm.
In this programme, adopt the kapillary of said structure, make this kapillary have good manufacturability.
Preferably, the right part of this inductive head is also installed with one for passing into the connecting pipe of this silicone oil, and one end of this connecting pipe is connected with a silicone oil source, and the other end is connected with this cavity.
In this programme, adopt vacuum equipment that the silicone oil in silicone oil source will be filled Transfer Medium silicone oil in kapillary, after having filled, this connecting pipe is sealed, avoid silicone oil to let out from this connecting pipe.
Preferably, the output terminal of this strainometer is electrically connected with the input end of a magnification circuit plate by a compensating plate, and this compensating plate is fixed on the right part of this pressure inlet, and this magnification circuit plate is inserted on the right side of this compensating plate.
In this programme, the lead-in wire on strainometer is thinner, and compensating plate can do intermediate transit for the lead-in wire of strainometer, avoids going between stressed generation adverse consequences; In addition, the temperature compensation of 0-65 DEG C is carried out by the resistance on compensating plate; In addition, compensating plate is separately provided with wire bonds position, by this welding position, signal is delivered on the amplifying circuit of magnification circuit plate by wire.
Preferably, this mud transmitter also comprises a shell, a chamber is formed in this shell, the left side of this shell is fixedly connected on the right side of this pressure inlet, the right side of this shell is fixedly connected with a Hirschmann plug-in unit, the input end of this Hirschmann plug-in unit is electrically connected with the output terminal of this magnification circuit plate by some connection wires, and the output terminal of this this Hirschmann plug-in unit is electrically connected with the input end of a manometer, and this manometer is for showing force value.
In this programme, Hirschmann plug-in unit plays the transmission effect that signal exports, and Hirschmann plug-in unit is product well known in the prior art, and its model is: A1B0913A.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is:
Structure of the present invention is simple, and processing cost is low, makes elastic body produce wearing and tearing and the zero-bit change that brings, improve the tonometric accuracy of this mud transmitter, and add the serviceable life of this mud transmitter after avoiding the direct contact resilient body of measured medium.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing mud transmitter.
Fig. 2 is the structural representation of the mud transmitter of present pre-ferred embodiments.
Description of reference numerals:
Existing mud transmitter
Pressure inlet: 1 ' shoulder hole: 11 '
Shell: 2 '
Hirschmann plug-in unit: 3 '
Elastic body: 4 ' body: 41 ' strain beam: 42 '
Strainometer: 5 '
Support: 6 '
Pressing plate: 7 '
Compensating plate: 8 ' pad: 81 ' screw: 82 '
Magnification circuit plate: 9 ' connects wire: 91 '
Mud transmitter of the present invention
Pressure inlet: 1 storage tank: 11 diaphragm elements: 12
Seal member: 13 diaphragm cavities: 14 mounting holes: 15
Shell: 2 chambers: 21
Hirschmann plug-in unit: 3
Elastic body: 4 bodies: 41 strain beams: 42
Cavity: 43
Strainometer: 5 lead-in wires: 51
Inductive head: 6 projecting parts: 61
Kapillary: 7
Compensating plate: 8 hexagonal nuts: 81 screws: 82
Magnification circuit plate: 9 silicon rubber leads: 91
Connecting pipe: 10
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
In describing the invention, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
As shown in Figure 2, mud transmitter of the present invention comprises pressure inlet 1, elastomeric components and shell 2.Wherein.Be formed with a chamber 21 in this shell 2, the left side of this shell 2 is fixedly connected on the right side of pressure inlet 1, and the right side of this shell 2 is fixedly connected with a Hirschmann plug-in unit 3.In the use procedure of reality, for being welded to connect between shell 2 and pressure inlet 1, and shell 2 welds with the form of argon arc welding with pressure inlet 1.
In addition, the left part of this pressure inlet 1 is provided with a storage tank 11, is provided with a diaphragm element 12 in this storage tank 11.The outside wall surface of this diaphragm element 12 by between at least one seal member 13 and the wall of this storage tank 11 for being tightly connected, and between the right side of the right side of this diaphragm element 12 and this storage tank 11, be formed with a diaphragm cavity 14.Wherein, align with the left side of pressure inlet 1 in the left side of this diaphragm element 12.In the present embodiment, storage tank 11 and diaphragm element 12 are cylindrical, and seal member 13 is O type circle.
Preferably, the outside wall surface of this diaphragm element 12 by between two seal members 13 and the wall of storage tank 11 for being tightly connected, and two seal members 13 are arranged at intervals between the outside wall surface of this diaphragm element 12 and the wall of this storage tank 11 along the axis direction of this diaphragm element 12.One of them seal member 13 is positioned at the left side place near this diaphragm element 12, and another one seal member 13 is positioned at the right side place near this diaphragm element 12.
In the present embodiment, two seal members 13 are adopted to achieve the double seal of diaphragm cavity 14, even if make the seal member 13 being positioned at left end occur damage, the seal member 13 being positioned at right-hand member still can play sealing function to this diaphragm cavity 14, avoids because the effect causing silicone oil can not play pressure transmission revealed by the silicone oil in diaphragm cavity 14.
Further, the material of this diaphragm element 12 is 316L stainless steel, and the thickness of this diaphragm element 12 is 9mm.Wherein, adopt 316L stainless diaphragm element 12, this diaphragm element 12 can not be got rusty, and can resistance to certain Acidity of Aikalinity, the mud kind making it possible to measure is more, and usable range is wider.And diaphragm element 12 plays the effect experienced pressure and also transmit.Meanwhile, front end adopts the diaphragm element 12 that 9mm is thick, even if can ensure that diaphragm element 12 abrasion number millimeter still can keep mud transmitter normally to use.
Please understood according to Fig. 2, the right part of this pressure inlet 1 is provided with mounting hole 15, and mounting hole 15 internal fixtion is connected with an inductive head 6.Run through in inductive head 6 and be connected with one for filling the kapillary 7 of full silicone oil, one end of this kapillary 7 through this pressure inlet 1 right part and be connected with diaphragm cavity 14, the other end of this kapillary 7 runs through and is fixed in this inductive head 6.In the use procedure of reality, kapillary 7 is the process duct being used as filled media.And one end of this kapillary 7 is welded in pressure inlet 1, the other end of kapillary 7 welds with the form of argon arc welding with pressure-sensitive head.In the present embodiment, the internal diameter of this kapillary 7 is 0.5mm-3mm, makes this kapillary 7 have good manufacturability like this.
Wherein, this elastomeric components comprises elastic body 4 and a strainometer 5.This elastic body 4 comprises a body 41 and is positioned at strain beam 42 on the right side of body 41.This strainometer 5 is attached on the right side of strain beam 42, and is derived by lead-in wire 51.The inner wall sleeve of this body 41 is located on the outer wall of the right part of this inductive head 6, and is formed with a cavity 43 be connected with the other end of this kapillary 7 between the right side of inductive head 6 and the left side of this strain beam 42.Meanwhile, this inductive head 6 is provided with the projecting part 61 of a ring-type near right side, and the left side of this body 41 is welded on the right side of this projecting part 61.
In the present embodiment, directly measured medium is contacted by diaphragm element 12, transfer the pressure to elastic body 4 by the silicone oil in kapillary 7 again and obtain force value, make after avoiding the direct contact resilient body 4 of measured medium elastic body 4 produce wearing and tearing and bring zero-bit change, improve the tonometric accuracy of this mud transmitter, and add the serviceable life of this mud transmitter.Meanwhile, the processing of this mud transmitter is simpler and easy, saves processing cost.
In addition, the output terminal of this strainometer 5 is electrically connected with the input end of a magnification circuit plate 9 by a compensating plate 8, and this compensating plate 8 is fixed on the right part of pressure inlet 1, and magnification circuit plate 9 is inserted on the right side of compensating plate 8.In the use procedure of reality, compensating plate 8 is fixed on the right part of pressure inlet 1 by several screws 82 and corresponding hexagonal nut 81, screw 82 is through compensating plate 8 and be fixed on pressure inlet 1, hexagonal nut 81 and corresponding screw 82 are for being threaded, and compensating plate 8 is installed with between the nut and corresponding hexagonal nut 81 of screw 82, and by lead-in wire 51 soldering of strainometer 5 on compensating plate 8.Meanwhile, the contact pin on magnification circuit plate 9 coordinates jack corresponding on compensating plate 8 to position, and by contact pin insertion, soldering.
In addition, the input end of this Hirschmann plug-in unit 3 is electrically connected with the output terminal of this magnification circuit plate 9 by some silicon rubber leads 91, and the output terminal of this Hirschmann plug-in unit 3 is electrically connected with the input end of a manometer, and this manometer is for showing force value.Wherein, the other end of silicon rubber lead 91 and the terminal on Hirschmann plug-in unit 3, on magnification circuit plate 9, are carried out soldering and are connected by one end soldering of silicon rubber lead 91.
Further, the right part of this inductive head 6 is also installed with one for passing into the connecting pipe 10 of this silicone oil, and one end of this connecting pipe 10 is connected with a silicone oil source, and the other end of this connecting pipe 10 is connected with this cavity 43.
In the present embodiment, adopt vacuum equipment that the silicone oil in silicone oil source is filled Transfer Medium silicone oil by kapillary 7, after having filled, this connecting pipe 10 is sealed, avoid silicone oil to let out from this connecting pipe 10.
Please understood according to Fig. 2, the principle of work of this mud transmitter is: when producing pressure after measured medium mud contacts diaphragm element 12, diaphragm element 12 is made to produce microdisplacement, elastic body 4 is transferred the pressure to by Transfer Medium silicone oil, pressure signal is converted to a millivolt voltage electric signal by the strainometer 5 on elastic body 4, the conversion of the amplifying circuit be provided with by magnification circuit plate 9 again, change millivolt signal into a milliampere current electrical signal, by wire transmission to the manometer in control system, demonstrate force value by manometer.
In sum, structure of the present invention is simple, and processing cost is low, makes elastic body 4 produce wearing and tearing and the zero-bit change that brings after avoiding the direct contact resilient body 4 of measured medium, improve the tonometric accuracy of this mud transmitter, and add the serviceable life of this mud transmitter.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that this only illustrates, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (8)
1. a mud transmitter, comprise pressure inlet and elastomeric components, it is characterized in that, the left part of this pressure inlet is provided with a storage tank, a diaphragm element is provided with in this storage tank, the outside wall surface of this diaphragm element by between at least one seal member and the wall of this storage tank for being tightly connected, and be formed with a diaphragm cavity between the right side of this diaphragm element and the right side of this storage tank;
The right part of this pressure inlet is provided with a mounting hole, and this mounting hole internal fixtion is connected with an inductive head, runs through and be connected with one for filling the kapillary of full silicone oil in this inductive head, one end of this kapillary through this pressure inlet right part and be connected with this diaphragm cavity;
This elastomeric components comprises an elastic body and a strainometer, this elastic body comprises a body and is positioned at strain beam on the right side of this body, this strainometer is attached on the right side of this strain beam, the inner wall sleeve of this body is located on the outer wall of the right part of this inductive head, and is formed with a cavity be connected with the other end of this kapillary between the right side of this inductive head and the left side of this strain beam.
2. mud transmitter as claimed in claim 1, it is characterized in that, align with the left side of this pressure inlet in the left side of this diaphragm element.
3. mud transmitter as claimed in claim 2, it is characterized in that, the outside wall surface of this diaphragm element by two between seal member and the wall of this storage tank for being tightly connected, and two seal members are arranged at intervals between the outside wall surface of this diaphragm element and the wall of this storage tank along the axis direction of this diaphragm element.
4. mud transmitter as claimed in claim 1, it is characterized in that, the material of this diaphragm element is 316L stainless steel, and the thickness of this diaphragm element is 9mm.
5. mud transmitter as claimed in claim 1, it is characterized in that, the internal diameter of this kapillary is 0.5mm-3mm.
6. mud transmitter as claimed in claim 1, it is characterized in that, the right part of this inductive head is also installed with one for passing into the connecting pipe of this silicone oil, and one end of this connecting pipe is connected with a silicone oil source, and the other end is connected with this cavity.
7. as the mud transmitter in claim 1-6 as described in any one, it is characterized in that, the output terminal of this strainometer is electrically connected with the input end of a magnification circuit plate by a compensating plate, this compensating plate is fixed on the right part of this pressure inlet, and this magnification circuit plate is inserted on the right side of this compensating plate.
8. mud transmitter as claimed in claim 7, it is characterized in that, this mud transmitter also comprises a shell, a chamber is formed in this shell, the left side of this shell is fixedly connected on the right side of this pressure inlet, the right side of this shell is fixedly connected with a Hirschmann plug-in unit, the input end of this Hirschmann plug-in unit is electrically connected with the output terminal of this magnification circuit plate by some connection wires, the output terminal of this this Hirschmann plug-in unit is electrically connected with the input end of a manometer, and this manometer is for showing force value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421541.1A CN105372004A (en) | 2014-08-25 | 2014-08-25 | Slurry transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421541.1A CN105372004A (en) | 2014-08-25 | 2014-08-25 | Slurry transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105372004A true CN105372004A (en) | 2016-03-02 |
Family
ID=55374404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410421541.1A Withdrawn CN105372004A (en) | 2014-08-25 | 2014-08-25 | Slurry transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105372004A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874024A (en) * | 2017-05-16 | 2018-11-23 | 上海朝辉压力仪器有限公司 | Pedal controls transmitter |
| CN109489876A (en) * | 2017-09-12 | 2019-03-19 | 上海朝辉压力仪器有限公司 | Pressure transmitter for shield screw machine |
| CN110530255A (en) * | 2019-09-04 | 2019-12-03 | 中国电建集团中南勘测设计研究院有限公司 | A kind of detecting earth stress rubber V shape triaxial strain meter cable connecting device, triaxial strain meter and its application method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4712430A (en) * | 1986-04-04 | 1987-12-15 | Dynisco, Inc. | Pressure transducer |
| CN204043836U (en) * | 2014-08-25 | 2014-12-24 | 上海朝辉压力仪器有限公司 | Mud transmitter |
-
2014
- 2014-08-25 CN CN201410421541.1A patent/CN105372004A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4712430A (en) * | 1986-04-04 | 1987-12-15 | Dynisco, Inc. | Pressure transducer |
| CN204043836U (en) * | 2014-08-25 | 2014-12-24 | 上海朝辉压力仪器有限公司 | Mud transmitter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874024A (en) * | 2017-05-16 | 2018-11-23 | 上海朝辉压力仪器有限公司 | Pedal controls transmitter |
| CN108874024B (en) * | 2017-05-16 | 2023-12-26 | 上海朝辉压力仪器有限公司 | pedal control transmitter |
| CN109489876A (en) * | 2017-09-12 | 2019-03-19 | 上海朝辉压力仪器有限公司 | Pressure transmitter for shield screw machine |
| CN110530255A (en) * | 2019-09-04 | 2019-12-03 | 中国电建集团中南勘测设计研究院有限公司 | A kind of detecting earth stress rubber V shape triaxial strain meter cable connecting device, triaxial strain meter and its application method |
| CN110530255B (en) * | 2019-09-04 | 2021-06-11 | 中国电建集团中南勘测设计研究院有限公司 | Rubber fork type triaxial strain gauge cable connecting device for ground stress test, triaxial strain gauge and using method of triaxial strain gauge cable connecting device |
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Application publication date: 20160302 |
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