CN201225889Y

CN201225889Y - Sensor for detecting metal pin deformation

Info

Publication number: CN201225889Y
Application number: CNU200820148236XU
Authority: CN
Inventors: 李明; 韦东
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-28
Filing date: 2008-07-28
Publication date: 2009-04-22
Anticipated expiration: 2018-07-28

Abstract

The utility model relates to a sensor, and in particular relates to a metal pin body deformation detecting sensor, which comprises an outer sleeve body and a cylindrical rod body, wherein, the outer sleeve body is an unsealed cylindrical hollow post with a sealed bottom; the cylindrical rod body that is provided with an upper hard insulation ring and a lower hard insulation ring, which have equal diameter, is arranged inside the unsealed cylindrical hollow space; pressure insulation liquid is fulfilled in the gap between the cylindrical rod body and the inner bottom of the outer sleeve body, and between the cylindrical rod body and the lower surface of the lower hard insulation ring, and between the lower surface of the upper hard insulation ring and the upper surface of the lower hard insulation ring; a conducting wire is lead out from the cylindrical rod body. The sensor has simple structure, reliable and stable performance and promising application prospect, and is widely applied to the large mechanical connection pins and the internal important connection pin body parts of the machines, and has high reliability of the detection on the deformation of the pin body.

Description

Metallic pin body deformability detecting sensor

One, technical field:

The utility model relates to a kind of sensor, particularly a kind of metallic pin body deformability detecting sensor.

Two, background technology:

Metal connects the web member that shank is the inner vitals of heavy mechanical equipment, and shank is under pressure in the middle of equipment operation and produces distortion and wearing and tearing, can cause harmful effect to equipment operation when serious, even produces major safety risks.The metallic pin body deformability is detected problem and the abrasion condition that exists in the timely discovering device operation conditions, eliminate safe hidden trouble, avoid great mechanical fault, have the realistic meaning of particular importance.Existing deformation detection sensor utilizes line strain, angular strain, the angular displacement of flexible member to wait the variation of perception external force mostly, detects by flexure strip, foil gauge and signal order wire circuit.Still needleless is to the sensor special of metallic pin body deformability detection at present, and existing deformation detection sensor is applicable to not too that also the metallic pin body deformability detects.The current sensor that does not have to detect the metallic pin body deformability by directly perceived, simple way.

Three, utility model content:

In order to solve, the utility model proposes a kind of metallic pin body deformability detecting sensor simple in structure, reasonable in design by problem directly perceived, that simple approach detects the metallic pin body deformability.

Technical scheme:

A kind of metallic pin body deformability detecting sensor, comprise outer sleeve body and cylinder barred body, outer sleeve body is one and has the uncovered cylindrical cavity post that seals the bottom surface, in cylindrical cavity, suit be fixed with an isometrical two ends cover intrinsic on, the cylinder barred body of following dead ring, or in cylindrical cavity the cover isometrical two ends, an intrinsic centre have the concave station rank and overlap intrinsic on, the cylinder barred body of following dead ring, between cylinder barred body and outer sleeve body inner bottom surface and following rigid insulation ring lower surface, clearance space between last rigid insulation ring lower surface and the following rigid insulation ring upper surface is full of iknsulating liquid, draws a lead from the cylinder barred body.

At the bottom of outer sleeve body sealing inner bottom surface is the plane, or be Spherical Bottom, or at the bottom of be truncated-spherical, or at the bottom of the prominent cambered surface, or at the bottom of being section prominent cambered surface, or be conical bottom, or at the bottom of being truncated cone shape; At the bottom of cylinder barred body lower surface is the plane, or be Spherical Bottom, or at the bottom of being truncated-spherical, or be conical bottom, or at the bottom of being truncated cone shape, or at the bottom of the prominent cambered surface, or, match each other with the shape of outer sleeve body inner bottom surface is corresponding at the bottom of cutting prominent cambered surface.

At the bottom of outer sleeve body sealing inner bottom surface is the plane, or be Spherical Bottom, or at the bottom of be truncated-spherical, or be conical bottom, or at the bottom of be truncated cone shape, or be to dash forward at the bottom of the cambered surface, or at the bottom of being section prominent cambered surface; At the bottom of cylinder barred body lower surface is the plane, or be Spherical Bottom, or at the bottom of being truncated-spherical, or be conical bottom, or at the bottom of being truncated cone shape, or at the bottom of the prominent cambered surface, or at the bottom of cutting prominent cambered surface, outer sleeve body inner bottom surface and cylinder barred body bottom surface select two kinds of bottom shapes to mate arbitrarily.

The inside surface, outside surface of two insulation annulus respectively with the outside surface of cylinder barred body, the inside surface secure fit of outer sleeve body cylindrical cavity.

Gap between the outside surface of cylinder barred body self and the outer sleeve body cylindrical cavity inside surface is 0.08～1mm.

The material of outer sleeve body uses softer metals to make.

Softer metals is aluminium copper, copper mock silver, signal bronze, fine copper, the industrial soft aluminium material of choosing any one kind of them; The rigid insulation ring material is an epoxy resin, or is mica, or is bakelite, or is high technology ceramics.

The beneficial effects of the utility model:

The utility model is simple in structure.The utility model is by outer sleeve body and cylinder barred body, and the cylinder barred body has isometrical upper and lower rigid insulation ring, and high pressure insulating liquid constitutes, need not complicated signal processing system, improve adaptability, reliability to environment temperature.

The utility model is reasonable in design, simple in structure, reliability is high.

The utility model is easy for installation.Existing equipment is not being reequiped, do not influencing metal shank original structure, only need can use, increasing work efficiency greatly by simple secondary assembling.

The utility model has a extensive future.Can be widely used in the big machinery connecting pin, and the inner important connecting pin body component of machinery etc., the shank deformation detection that reliability is higher to keeping the equipment good operation, eliminates safe hidden trouble, and bigger realistic meaning is arranged.

Four, description of drawings:

Fig. 1 is one of metallic pin body deformability detecting sensor cross-sectional view;

Fig. 2 is two of a metallic pin body deformability detecting sensor cross-sectional view;

Fig. 3 is three of a metallic pin body deformability detecting sensor cross-sectional view;

Fig. 4 is four of a metallic pin body deformability detecting sensor cross-sectional view;

Fig. 5 is five of a metallic pin body deformability detecting sensor cross-sectional view;

Fig. 6 is six of a metallic pin body deformability detecting sensor cross-sectional view;

Fig. 7 is seven of a metallic pin body deformability detecting sensor cross-sectional view;

Fig. 8 is eight of a metallic pin body deformability detecting sensor cross-sectional view;

Fig. 9 is nine of a metallic pin body deformability detecting sensor cross-sectional view;

Figure 10 is ten of a metallic pin body deformability detecting sensor cross-sectional view;

Figure 11 is 11 of a metallic pin body deformability detecting sensor cross-sectional view;

Figure 12 is 12 of a metallic pin body deformability detecting sensor cross-sectional view.

Five, specific embodiments:

Embodiment one: referring to Fig. 1, metallic pin body deformability detecting sensor, comprise outer sleeve body 5 and cylinder barred body 3, outer sleeve body 5 is one and has the uncovered cylindrical cavity post that seals the end, the sealing end is flat, a cylinder barred body 3 that has isometrical upper and lower

rigid insulation ring

2 and 6 is sleeved in the uncovered cylindrical cavity, between cylinder barred body 3 and outer sleeve body 5 inner bottom surfaces and following rigid insulation ring 6 lower surfaces, be full of pressure insulation liquid 4 every the space, crack between last rigid insulation ring 2 lower surfaces and following rigid insulation ring 6 upper surfaces, draw a lead 1 from cylinder barred body 3.

Two

insulation annulus

2 and 6 inside surface and and the outside surface secure fit of cylinder barred body 3.The outside surface of

annulus

2 and 6 and the inside surface secure fit of outer sleeve body 5 cylindrical cavities insulate.

Gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.08mm.

The material of outer sleeve body 5 uses softer metals to make, and material is an aluminium copper.

Embodiment two: referring to Fig. 2, number identical with embodiment one, same meaning, do not repeat, different is: overlap the cylinder barred body 3 that isometrical two ends, an intrinsic centre have the concave station rank and overlap intrinsic upper and lower dead ring in described cylindrical cavity, the two insulation annulus 2 and the corresponding coupling in described concave station rank at two ends.

Embodiment three: referring to Fig. 3, number identically with embodiment one, same meaning does not repeat, and different is: outer sleeve body 5, and the sealing end is a Spherical Bottom, the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.1mm.

Embodiment four: referring to Fig. 4, number identically with embodiment two, same meaning does not repeat, different is: cylinder barred body 3 lower surfaces are the sphere that is complementary with outer sleeve body 5, and the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.15mm.

Embodiment five: basic identical with embodiment three structures, do not repeat, and different is: outer sleeve body 5, the sealing end, be prominent cambered surface, and the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.2mm, and figure is slightly.

Embodiment six: basic identical with embodiment four structures, do not repeat, and different is: cylinder barred body 3 lower surfaces are the prominent cambered surface that is complementary with outer sleeve body 5, and the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.25mm, figure is slightly.

Embodiment seven: referring to Fig. 5, number identically with embodiment three, same meaning does not repeat, and different is: outer sleeve body 5, and the sealing end is a conical bottom, the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.3mm.

Embodiment eight: referring to Fig. 6, number identically with embodiment five, same meaning does not repeat, different is: cylinder barred body 3 lower surfaces are the conical surface that is complementary with outer sleeve body 5, and the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.35mm.

Embodiment nine: referring to Fig. 7, number identically with embodiment two, same meaning does not repeat, and different is: at the bottom of the 5 sealing ends of outer sleeve body were truncated-spherical, the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces was 0.4mm.

Embodiment ten: referring to Fig. 8, number identically with embodiment three, same meaning does not repeat, different is: cylinder barred body 3 lower surfaces are the truncated-spherical that is complementary with outer sleeve body 5, and the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.45mm.

Embodiment 11: basic identical with embodiment nine, do not repeat, and different is: the 5 sealing ends of outer sleeve body are to cut at the bottom of the prominent cambered surface, and the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.5mm, and figure is slightly.

Embodiment 12: basic identical with embodiment ten, do not repeat, and different is: cylinder barred body 3 lower surfaces are section prominent cambered surface that is complementary with outer sleeve body 5, and the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.6mm, figure is slightly.

Embodiment 13: referring to Fig. 9, number identically with embodiment seven, same meaning does not repeat, and different is: at the bottom of the 5 sealing ends of outer sleeve body were frusto-conical surface, the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces was 0.7mm.

Embodiment 14: referring to Figure 10, number identically with embodiment eight, same meaning does not repeat, different is: cylinder barred body 3 lower surfaces are the frusto-conical surface that is complementary with outer sleeve body 5, and the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces is 0.8mm.

Embodiment 15: referring to Figure 11, number identical with embodiment one, same meaning, do not repeat, different is: cylinder barred body 3 lower surfaces are sphere, and at the bottom of the outer sleeve body 5 sealing ends were the plane, the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces was 0.9mm.

Embodiment 16: referring to Figure 12, number identical with embodiment one, same meaning, do not repeat, different is: cylinder barred body 3 lower surfaces are sphere, and at the bottom of the outer sleeve body 5 sealing ends were the conical surface, the gap between the outside surface of cylinder barred body 3 and the outer sleeve body 5 cylindrical cavity inside surfaces was 1mm.

Claims

1, a kind of metallic pin body deformability detecting sensor, comprise outer sleeve body and cylinder barred body, it is characterized in that: outer sleeve body is one and has the uncovered cylindrical cavity post that seals the bottom surface, in cylindrical cavity, suit be fixed with an isometrical two ends cover intrinsic on, the cylinder barred body of following dead ring, or in cylindrical cavity the cover isometrical two ends, an intrinsic centre have the concave station rank and overlap intrinsic on, the cylinder barred body of following dead ring, between cylinder barred body and outer sleeve body inner bottom surface and following rigid insulation ring lower surface, clearance space between last rigid insulation ring lower surface and the following rigid insulation ring upper surface is full of iknsulating liquid, draws a lead from the cylinder barred body.

2, sensor according to claim 1 is characterized in that: at the bottom of outer sleeve body sealing inner bottom surface is the plane, or be Spherical Bottom, or at the bottom of be truncated-spherical, or at the bottom of the prominent cambered surface, or at the bottom of being section prominent cambered surface, or is conical bottom, or at the bottom of being truncated cone shape; At the bottom of cylinder barred body lower surface is the plane, or be Spherical Bottom, or at the bottom of being truncated-spherical, or be conical bottom, or at the bottom of being truncated cone shape, or at the bottom of the prominent cambered surface, or, match each other with the shape of outer sleeve body inner bottom surface is corresponding at the bottom of cutting prominent cambered surface.

3, sensor according to claim 1 is characterized in that: at the bottom of outer sleeve body sealing inner bottom surface is the plane, or be Spherical Bottom, or at the bottom of be truncated-spherical, or be conical bottom, or at the bottom of be truncated cone shape, or be to dash forward at the bottom of the cambered surface, or at the bottom of being section prominent cambered surface; At the bottom of cylinder barred body lower surface is the plane, or be Spherical Bottom, or at the bottom of being truncated-spherical, or be conical bottom, or at the bottom of being truncated cone shape, or at the bottom of the prominent cambered surface, or at the bottom of cutting prominent cambered surface, outer sleeve body inner bottom surface and cylinder barred body bottom surface select two kinds of bottom shapes to mate arbitrarily.

4, sensor according to claim 1 is characterized in that: the inside surface, outside surface of two insulation annulus respectively with the outside surface of cylinder barred body, the inside surface secure fit of outer sleeve body cylindrical cavity.

5, sensor according to claim 1 is characterized in that: the gap between the outside surface of cylinder barred body self and the outer sleeve body cylindrical cavity inside surface is 0.08～1mm.

6, according to the described arbitrary sensor of claim 1～5, it is characterized in that: the material of outer sleeve body uses softer metals to make.

7, sensor according to claim 6 is characterized in that: softer metals is aluminium copper, copper mock silver, signal bronze, fine copper, the industrial soft aluminium material of choosing any one kind of them; The rigid insulation ring material is an epoxy resin, or is mica, or is bakelite, or is high technology ceramics.