CN215491509U - Conveniently-maintained magnetostrictive displacement sensor with waterproof and anti-vibration capabilities - Google Patents
Conveniently-maintained magnetostrictive displacement sensor with waterproof and anti-vibration capabilities Download PDFInfo
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- CN215491509U CN215491509U CN202122046162.7U CN202122046162U CN215491509U CN 215491509 U CN215491509 U CN 215491509U CN 202122046162 U CN202122046162 U CN 202122046162U CN 215491509 U CN215491509 U CN 215491509U
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- waterproof
- displacement sensor
- magnetostrictive displacement
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Abstract
The utility model discloses a magnetostrictive displacement sensor which is convenient to maintain and has waterproof and anti-vibration capabilities, and the magnetostrictive displacement sensor comprises a measuring rod assembly and an electronic cabin assembly, wherein the measuring rod assembly is arranged in an oil cylinder, so that the airtightness of the oil cylinder can be ensured, and the external force damage to the sensor assembly during the assembly of mechanical parts can be reduced; the electronic bin assembly is positioned outside the oil cylinder, so that the maintenance is convenient; the semi-built-in sensor provided by the utility model can be maintained and replaced at any time, compared with an integrated sensor, the electronic bin assembly can be directly replaced without waiting for the pressure relief of the oil cylinder system, and the working efficiency of maintenance and the downtime of engineering machinery or machines are improved.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a magnetostrictive displacement sensor which is convenient to maintain and has waterproof and anti-vibration capabilities.
Background
The magnetostrictive displacement sensor which is convenient to maintain and has waterproof and anti-vibration capabilities plays a very important role in large engineering machinery. The magnetostrictive displacement sensor which is convenient to maintain and has waterproof and anti-vibration capabilities is divided into a built-in type and an external type according to the installation mode, and most built-in type installation is fixed with equipment by means of flange threads or external bolts. The sensor and the equipment are fixed together and need to have certain shock resistance. However, for the current magnetostrictive displacement sensor which is convenient to maintain and has waterproof and anti-vibration capabilities, the anti-vibration adopts a glue pouring (silicone gel) mode, but the glue pouring can not solve the measurement precision error caused by the vibration of the waveguide wire, and the common sensor can hardly meet the precision requirement of the equipment with large vibration.
In addition, the biggest problem of built-in sensor is that later maintenance is difficult, because sensor electronics storehouse and measuring staff are integrative to install in the hydro-cylinder completely, must with hydraulic system pressure release and whole the cylinder of breaking up can change the sensor when changing.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a magnetostrictive displacement sensor which is convenient to maintain and has waterproof and anti-vibration capabilities, so as to solve the problems of measurement precision error caused by vibration of a waveguide wire and difficulty in later maintenance of a built-in sensor in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
a magnetostrictive displacement sensor convenient to maintain and having waterproof and anti-vibration capabilities comprises a measuring rod assembly and an electronic bin assembly, wherein the measuring rod assembly comprises a base, a measuring rod, an end cap and a second O-shaped ring, the base, the measuring rod and the end cap are sequentially welded into a whole, and the second O-shaped ring is arranged on the base; the electronic cabin component comprises an aviation plug male head, a tail cover, a circuit board support, a straight pipe, a sensitive element support, a corrugated pipe, an insulating pipe, a sensitive element, a circuit board, a glass fiber pipe, a shielding cover, an insulating cover, a hexagonal outer cover, a sealing gasket, an electronic cabin mounting seat and a first O-shaped ring, wherein the aviation plug male head is arranged on the tail cover, the circuit board support is sleeved on the straight pipe, the sensitive element support, the straight pipe and the corrugated pipe are sequentially welded together, the insulating pipe is wrapped on the corrugated pipe, the sensitive element is welded on the circuit board, the sensitive element is wrapped in the glass fiber pipe, the glass fiber pipe is penetrated in the straight pipe, the sensitive element support is arranged on the circuit board, the shielding cover, the insulating cover and the hexagonal outer cover are sequentially arranged on the circuit board from inside to outside, the sealing gasket is arranged on the hexagonal outer cover, the first O-shaped ring is installed on the electronic bin installation seat, the tail cover and the electronic bin installation seat are installed on the hexagonal outer cover, and the electronic bin installation seat is installed on the base.
Furthermore, a sealing ring groove is formed in the base, and the second O-shaped ring is arranged in the sealing ring groove.
Furthermore, the tail cover is filled with electronic element sealant.
Furthermore, the number of the sealing gaskets is two, and the two sealing gaskets are arranged on two sides of the hexagonal outer cover.
Furthermore, the whole electronic bin assembly is locked through screws.
Furthermore, the inside of the electronic cabin assembly is completely glued.
Furthermore, the measuring rod assembly and the electronic bin assembly are locked through screws.
Further, the number of the screws is two.
Further, the base, the measuring rod and the end cap are welded into a whole through automatic argon arc welding.
Furthermore, the tail end of the end cap is an arc surface.
The utility model has at least the following beneficial effects: the utility model provides a conveniently maintained magnetostrictive displacement sensor with waterproof and anti-vibration capabilities, which comprises a measuring rod assembly and an electronic cabin assembly, wherein the measuring rod assembly is arranged in an oil cylinder, so that the airtightness of the oil cylinder can be ensured, and the external force damage to the sensor assembly during the assembly of mechanical parts can be reduced; the electronic bin assembly is positioned outside the oil cylinder, so that the maintenance is convenient; the semi-built-in sensor provided by the utility model can be maintained and replaced at any time, compared with an integrated sensor, the electronic bin assembly can be directly replaced without waiting for the pressure relief of the oil cylinder system, and the working efficiency of maintenance and the downtime of engineering machinery or machines are improved.
Drawings
In order to more clearly illustrate the prior art and the present invention, the drawings which are needed to be used in the description of the prior art and the embodiments of the present invention will be briefly described. It should be apparent that the drawings in the following description are merely exemplary, and that other drawings may be derived from the provided drawings by those of ordinary skill in the art without inventive effort.
The structures, proportions, sizes, and other dimensions shown in the specification are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the claims, and it is to be understood that all such modifications, changes in proportions, or alterations in size which do not affect the efficacy or objectives of the utility model are not to be seen as within the scope of the present invention.
Fig. 1 is a schematic structural diagram of a magnetostrictive displacement sensor with waterproof and anti-vibration capabilities, which is provided by an embodiment of the present invention and is convenient to maintain.
Description of reference numerals:
1-a first screw; 2-a second screw; 3-a first screw; 4-a second screw; 5-an aviation plug; 6-tail cover; 7-a first gasket; 8-hexagonal housing; 9-an insulating cover; 10-a shield; 11-a circuit board support; 12-a circuit board; 13-a second gasket; 14-an electronic bin mount; 15-first 0-shaped ring; 16-a sensitive element; 17-a glass fiber tube; 18-a third screw; 19-a fourth screw; 20-a sensor holder; 21-straight pipe; 22-a bellows; 23-an insulating tube; 24-a base; 25-a second O-ring; 26-measuring rod; 27-end cap.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "first," "second," "third," "fourth," and the like in the description and claims of the present invention and in the above-described drawings (if any) are intended to distinguish between referenced items. For a scheme with a time sequence flow, the term expression does not need to be understood as describing a specific sequence or a sequence order, and for a scheme of a device structure, the term expression does not have distinction of importance degree, position relation and the like.
Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements specifically listed, but may include other steps or elements not expressly listed that are inherent to such process, method, article, or apparatus or that are added to a further optimization scheme based on the present inventive concept.
Referring to fig. 1, the magnetostrictive displacement sensor with waterproof and anti-vibration capabilities, which is provided by the utility model, comprises a measuring rod assembly and an electronic bin assembly, wherein the measuring rod assembly is installed in an oil cylinder, so that the tightness of the oil cylinder can be ensured, and the external force damage to the sensor assembly during the assembly of mechanical parts can be reduced; the electronic bin assembly is located outside the oil cylinder, and maintenance is facilitated.
The measuring rod assembly comprises a base 24, a measuring rod 26, an end cap 27 and a second 0-shaped ring 25, the base 24, the measuring rod 26 and the end cap 27 are sequentially welded into a whole by automatic argon arc welding, the measuring rod assembly is welded by argon arc, two welded junctions are formed between the measuring rod assembly and the base 24, the sealing performance, the pressure resistance and the shock resistance are two times of common performances, the tail end of the measuring rod end cap 27 is designed into an arc surface, the mechanical friction with the inner wall of an oil cylinder can be effectively reduced in the working process of the sensor, the shock of the sensor is reduced, the second O-shaped ring 25 is installed in a sealing ring groove on the base 24, and the size of the second O-shaped ring 25 is 30x 2.65.
The electronic cabin component comprises an aviation plug 5, a tail cover 6, a circuit board support 11, a straight pipe 21, a sensitive element support 20, a corrugated pipe 22, an insulating pipe 23, a sensitive element 16, a circuit board 12, a glass fiber pipe 17, a shielding cover 10, an insulating cover 9, a hexagonal outer cover 8, a sealing gasket and an electronic cabin mounting seat 14, wherein the sealing gasket comprises a first sealing gasket 7 and a second sealing gasket 13, the aviation plug 5 is mounted on the tail cover 6, electronic component sealing glue is filled in the tail cover 6, and the electronic cabin component is also completely glued in the electronic cabin component; the aviation plug male head 5 is a D5 aviation plug male head, an external thread with the size of M16x1.5 is arranged on the aviation plug male head 5, an internal thread with the size of M16x1.5 is arranged on the tail cover 6, and the external thread of the aviation plug male head 5 and the internal thread of the tail cover 6 are screwed and linked together by using a torque wrench to complete the assembly of the tail cover assembly.
The circuit board support 11 is sleeved on the straight pipe 21, then the sensitive element support 20, the straight pipe 21 and the corrugated pipe 22 are welded together in sequence by using a silver brazing welding process, and the insulating pipe 23 is wrapped on the corrugated pipe 22 to complete the assembly of the flexible cable; the sensitive element 16 is welded on the circuit board 12, the sensitive element 16 is wrapped in the glass fiber tube 17 to complete the assembly of the sensitive element, and the corrugated tube 22, the glass fiber tube 17 and the insulating tube 23 can reduce the influence of external vibration on the sensitive element 16 to a greater extent, so that the aim of vibration resistance is fulfilled; the glass fiber tube 17 is installed in the flexible cable through the straight tube 21, the sensitive element support 20 is installed on the circuit board 12, the circuit board 12 is sequentially provided with the shielding cover 10, the insulating cover 9 and the hexagonal outer cover 8 from inside to outside, the first sealing gasket 7 and the second sealing gasket 13 are installed on two sides of the hexagonal outer cover 8 respectively, the first sealing gasket 7 and the second sealing gasket 13 can guarantee the waterproof sealing performance of the electronic bin assembly, the tail cover 6 and the electronic bin installation seat 14 are installed on two sides of the hexagonal outer cover 8 and then lock the whole electronic bin assembly through the first screw 3, the second screw 4, the third screw 18 and the fourth screw 19, and the first screw 3, the second screw 4, the third screw 18 and the fourth screw 19 are screws with the size of M4x 10.
The electronic bin mounting seat 14 is mounted on the base 24, the measuring bar assembly and the electronic bin assembly are locked by the first screw 1 and the second screw 2, so that the whole sensor assembly is completed, the first screw 1 and the second screw 2 are screws of M4x65, in order to guarantee the whole waterproofness of the assembled electronic bin assembly and measuring bar assembly, the electronic bin mounting seat 14 is provided with a first O-shaped ring, and the size of the first O-shaped ring is 25x 2.
The magnetostrictive displacement sensor which is convenient to maintain and has waterproof and anti-vibration capabilities is a semi-built-in sensor, can be maintained and replaced at any time, does not need to wait for the pressure relief of an oil cylinder system compared with an integrated sensor, can directly replace an electronic cabin assembly, and improves the working efficiency of maintenance and the downtime of engineering machinery or machines.
All the technical features of the above embodiments can be arbitrarily combined (as long as there is no contradiction between the combinations of the technical features), and for brevity of description, all the possible combinations of the technical features in the above embodiments are not described; these examples, which are not explicitly described, should be considered to be within the scope of the present description.
The present invention has been described in considerable detail by the general description and the specific examples given above. It should be noted that it is obvious that several variations and modifications can be made to these specific embodiments without departing from the inventive concept, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A magnetostrictive displacement sensor convenient to maintain and having waterproof and anti-vibration capabilities is characterized by comprising a measuring rod assembly and an electronic bin assembly, wherein the measuring rod assembly comprises a base, a measuring rod, a head cap and a second O-shaped ring, the base, the measuring rod and the head cap are sequentially welded into a whole, and the second O-shaped ring is arranged on the base; the electronic cabin component comprises an aviation plug male head, a tail cover, a circuit board support, a straight pipe, a sensitive element support, a corrugated pipe, an insulating pipe, a sensitive element, a circuit board, a glass fiber pipe, a shielding cover, an insulating cover, a hexagonal outer cover, a sealing gasket, an electronic cabin mounting seat and a first O-shaped ring, wherein the aviation plug male head is arranged on the tail cover, the circuit board support is sleeved on the straight pipe, the sensitive element support, the straight pipe and the corrugated pipe are sequentially welded together, the insulating pipe is wrapped on the corrugated pipe, the sensitive element is welded on the circuit board, the sensitive element is wrapped in the glass fiber pipe, the glass fiber pipe is penetrated in the straight pipe, the sensitive element support is arranged on the circuit board, the shielding cover, the insulating cover and the hexagonal outer cover are sequentially arranged on the circuit board from inside to outside, the sealing gasket is arranged on the hexagonal outer cover, the first O-shaped ring is installed on the electronic bin installation seat, the tail cover and the electronic bin installation seat are installed on the hexagonal outer cover, and the electronic bin installation seat is installed on the base.
2. The magnetostrictive displacement sensor according to claim 1, which is easy to maintain, waterproof and vibration resistant, and wherein the base is provided with a sealing ring groove, and the second O-ring is mounted in the sealing ring groove.
3. The magnetostrictive displacement sensor according to claim 1, which is easy to maintain, waterproof and vibration resistant, and the tail cover is filled with an electronic component sealant.
4. The magnetostrictive displacement sensor according to claim 1, which is easy to maintain, waterproof and vibration resistant, and is characterized in that the number of the sealing gaskets is two, and the two sealing gaskets are arranged on two sides of the hexagonal housing.
5. The magnetostrictive displacement sensor according to claim 1, which is convenient to maintain, waterproof and vibration-resistant, and is characterized in that the whole electronic cabin assembly is locked by screws.
6. The magnetostrictive displacement sensor according to claim 1, which is convenient to maintain, waterproof and vibration resistant, and is characterized in that the inside of the electronic cabin assembly is entirely glued.
7. The magnetostrictive displacement sensor according to claim 1, which is convenient to maintain, waterproof and vibration resistant, and is characterized in that the measuring rod assembly and the electronic bin assembly are locked together by screws.
8. The magnetostrictive displacement sensor according to claim 7, which is easy to maintain, waterproof and vibration-resistant, and is characterized in that the number of the screws is two.
9. The magnetostrictive displacement sensor according to claim 1, which is convenient to maintain, waterproof and vibration resistant, and is characterized in that the base, the measuring rod and the end cap are welded into a whole by using automatic argon arc welding.
10. The magnetostrictive displacement sensor according to claim 1, which is easy to maintain, waterproof and vibration-resistant, and is characterized in that the tail end of the end cap is a circular arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122046162.7U CN215491509U (en) | 2021-08-27 | 2021-08-27 | Conveniently-maintained magnetostrictive displacement sensor with waterproof and anti-vibration capabilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122046162.7U CN215491509U (en) | 2021-08-27 | 2021-08-27 | Conveniently-maintained magnetostrictive displacement sensor with waterproof and anti-vibration capabilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215491509U true CN215491509U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122046162.7U Active CN215491509U (en) | 2021-08-27 | 2021-08-27 | Conveniently-maintained magnetostrictive displacement sensor with waterproof and anti-vibration capabilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215491509U (en) |
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2021
- 2021-08-27 CN CN202122046162.7U patent/CN215491509U/en active Active
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