CN110454531A - A kind of center is equipped with the spring of detection medium - Google Patents
A kind of center is equipped with the spring of detection medium Download PDFInfo
- Publication number
- CN110454531A CN110454531A CN201910623467.4A CN201910623467A CN110454531A CN 110454531 A CN110454531 A CN 110454531A CN 201910623467 A CN201910623467 A CN 201910623467A CN 110454531 A CN110454531 A CN 110454531A
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- China
- Prior art keywords
- spring
- center
- detection medium
- tensile stress
- plug
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/024—Covers or coatings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/042—Wound springs characterised by the cross-section of the wire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/04—Wound springs
- F16F1/06—Wound springs with turns lying in cylindrical surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0057—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to spring-shaped elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Springs (AREA)
Abstract
The invention discloses the springs that a kind of center is equipped with detection medium, the spring is hollow spiral metal spring, the inner wall of cored screw type metal spring hollow hole is provided with insulating layer, insulation plug is equipped at the both ends of the hollow hole of cored screw type metal spring, conduction liquid is filled in the hollow hole of spiral metal spring, it is fitted with the conducting probe across edge plug at the center of edge plug, is electrically connected respectively with detection circuit on the surface of spiral metal spring with conductive pin.The spring that the center is equipped with detection medium have the characteristics that it is structurally reasonable, can easily detect spring performance under use state at any time, can promptly and accurately find that quality problems or spring force failure state occurs in spring.
Description
Technical field
The present invention relates to spring structure constructing technology fields, and especially suitable for large size used in heavy equipment, he manages it, tool
Body is related to a kind of spring of the center equipped with detection medium.
Background technique
Spring be it is a kind of utilize elasticity come work machine components.The part made of elastic material is sent out under external force
Raw deformation restores to the original state again after removing external force.Generally it is made of spring steel.The complicated multiplicity of the type of spring, by shape point, mainly
There are helical spring, scroll spring, flat spring, heterotypic spring etc..
At present when producing spring, control spring-mass mainly measures spring constant, the spring that different industries use its
Spring constant is all different, in the detection mode of spring performance, generally mechanical using general force, auxiliary length is surveyed
Amount tool, detects spring, the poor defect of this generally existing measurement accuracy of detection mode, the working efficiency of measurement
Low, measurement data accuracy is not high, is unable to satisfy the needs of the quality control of enterprise's production.
It is another to facilitate existing spring detection device or detection instrument, be all in spring production process, or build work completion
Detection before dispatching from the factory afterwards to spring performance.How spring performance in use process or failure state are carried out in time, accurately
Detection one, which becomes those skilled in the art, technical problem to be solved.
Summary of the invention
It is an object of the present invention to overcome defect existing in the prior art, provide a kind of structure is simple, detection is convenient,
It can promptly and accurately find that quality problems occurs in spring or a kind of center of spring force failure is equipped with the spring for detecting medium.
To achieve the above object, described the technical scheme is to design the spring that a kind of center is equipped with detection medium
Spring is hollow spiral metal spring, the inner wall of cored screw type metal spring hollow hole is provided with insulating layer, in sky
The both ends of the hollow hole of the spiral metal spring of the heart are equipped with insulation plug, are filled with and lead in the hollow hole of spiral metal spring
It is electro-hydraulic, it is fitted with the conducting probe across edge plug at the center of edge plug, the surface and conductive pin in spiral metal spring
It is electrically connected respectively with detection circuit.
This spring structure is when spring material is because of stress excessive fatigue, when material is cracked, it will so that in hollow hole
The conducting liquid in portion penetrates into inside crack, and conduction liquid and conducting probe and metal spring material will be made to constitute at this time and be connected
Circuit, which detects i.e. capable of emitting alarm signal, and related personnel is notified to replace spring.
In order to be suitable for heavy-duty spring that large-scale, heavy duty equipment uses to the need of spring material intensity and bearing capacity
It asks, preferred technical solution is that the material of the spiral metal spring is spring steel.
In order to ensure insulating layer together with the inner wall close attachment of hollow hole, it is and not easily to fall off, but also will be compared with
Thin, when metal material is cracked, insulating layer also can be with extremely splitting, and further preferred technical solution is the insulating layer
For plastic-spraying layer or insulating oil paint layer.
Conducting liquid in order to ensure in hollow hole will not leak, but also should be convenient for the handling of plug, into
The preferred technical solution of one step is in addition, the insulation plug is electro-insulating rubber plug, or is electric insulating sealant.
In order to prevent the leakage of conducting liquid, while temporary adhesion can also be carried out to cracked material, simultaneously also
Low temperature environment should be avoided to freeze conduction liquid the problem of cannot flowing, conduction liquid is caused to fail, further preferred technical solution
In addition, the conducting liquid is low temperature resistant conductive gelatin.
Elastic force decline or elastic force failure etc. whether are had occurred and that for the ease of monitoring spring force situation of change and spring
Situation, further preferred technical solution is in addition, the spiral metal spring surface is located at spiral annulus inner ring side is equipped with
Groove, the groove is parallel with the axis of blank of spring, the C-shaped slot of trench cross section, is inlaid with tensile stress electricity in the groove
Silk is hindered, the both ends of tensile stress resistance wire and the both ends of helical spring are fixed, for being electrically connected with tensile stress detector.
Tensile stress resistance wire is first applied into certain pretightning force at the both ends of compression helical spring, then by tensile stress resistance
The both ends of silk and helical spring are fixed.Compression helical spring is compressed to the resistance value of limiting condition detection tensile stress resistance wire,
Compression helical spring is discharged into the resistance value that free state detects tensile stress resistance wire again again.When compression helical spring makes
It is less than under the resistance value or free state under compression limit state with the resistance value of state drop-down stressed resistance silk and is less than free shape
State pulls down the resistance value of stressed resistance silk, illustrates that the elastic performance of spring has declined, if the resistance value is less than the threshold value of setting,
Then illustrate that the elastic force of the spring is no longer valid, if resistance value has been zero to illustrate that spring may be broken.If the electricity detected
It is incorrect that the resistance value that resistance value is greater than under free state illustrates that spring uses, it may occur however that deflection and spring use state may be sent out
Distortion is given birth to.
Detection method same as compressed spring can also be used for the helical spring of stretching to detect.It will can also first draw
Stressed resistance silk applies certain pretightning force at the both ends of draft helical spring, then by tensile stress resistance wire and helical spring
Both ends are fixed.Draft helical spring is stretched to the resistance value of the limiting condition detection tensile stress resistance wire used, then will be drawn
It stretches helical spring and is discharged into the resistance value that free state detects tensile stress resistance wire again.When draft helical spring is in use state
The resistance value for pulling down stressed resistance silk, which is greater than under the resistance value or free state under ultimate service state, is greater than free state drop-down
The resistance value of stressed resistance silk illustrates that the elastic performance of spring has declined, if the resistance value is greater than the threshold value of setting, illustrates
The elastic force of the spring is no longer valid, if resistance value has been zero to illustrate that spring may be broken.If the resistance value detected is small
It is incorrect that resistance value under free state illustrates that spring uses, and may be used by compression.
In order to avoid tensile stress resistance wire is backing out out of C-channel, preferred technical solution is in addition, in the groove
Filled with insulating cement.
Galvanic circle is constituted in order to avoid being connected between tensile stress resistance wire and metal elastic spring body, Interference Detection accuracy,
Further preferred technical solution is in addition, be equipped with insulating sheath on tensile stress resistance wire surface.
Since the structure of the spring is relatively complicated, it is only applicable to large-scale, heavy and big load machinery and sets
Standby, further preferred technical solution is in addition, the spring is heavy device-specific spring.
It the spring structure and can be adapted for tension spring, also can be used in compressed spring, further preferred technology
Scheme is in addition, the spring is pressure spring or is tension spring.
The advantages and beneficial effects of the present invention are: the spring that the center is equipped with detection medium have it is structurally reasonable, can be with
When easily detect spring performance under use state, can promptly and accurately find that quality problems or spring force failure occurs in spring
The features such as state.
Detailed description of the invention
Fig. 1 be center of the present invention be equipped with detection medium spring structure show schematic diagram；
Fig. 2 is the blank of spring schematic cross-sectional view that this center is equipped with detection medium.
In figure: 1, spring；2, hollow hole；3, insulating layer；4, plug；5, conducting liquid；6, conducting probe；7, groove；8,
Tensile stress resistance wire.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, 2, the present invention is a kind of spring of the center equipped with detection medium, and the spring 1 is hollow spiral
Formula metal spring is provided with insulating layer 3 in the inner wall of the hollow hole 2 of cored screw type metal spring, in cored screw type metal
The both ends of spring hollow hole 2 are equipped with the plug 4 of insulation, and conduction liquid 5, In is filled in the hollow hole 2 of spiral metal spring
The center of edge plug 4 is fitted with the conducting probe 6 across edge plug, spiral metal spring surface and conductive pin respectively with
Detection circuit electrical connection.
This spring structure is when spring material is because of stress excessive fatigue, when material is cracked, it will so that in hollow hole 2
The conducting liquid 5 in portion penetrates into inside crack, and conduction liquid 5 and conducting probe 6 and metal spring material will be made to constitute at this time
The circuit of conducting, the conducting circuit detected circuit detect i.e. capable of emitting alarm signal, and related personnel is notified to replace spring.
In order to be suitable for heavy-duty spring that large-scale, heavy duty equipment uses to the need of spring material intensity and bearing capacity
It asks, the preferred embodiment of the invention is that the material of the spiral metal spring is spring steel.
In order to ensure insulating layer 3 together with the inner wall close attachment of hollow hole 2, it is and not easily to fall off, but also want
Relatively thin, when metal material is cracked, insulating layer 3 also can be with extremely splitting, and further preferred embodiment of the present invention is,
The insulating layer 3 is plastic-spraying layer or insulating oil paint layer.
Conducting liquid 5 in order to ensure in hollow hole 2 will not leak, but also should be convenient for the handling of plug,
Further preferred embodiment of the present invention is in addition, the insulation plug 4 is electro-insulating rubber plug, or is electric insulating sealant.
In order to prevent the leakage of conducting liquid 5, while temporary adhesion can also be carried out to cracked material, simultaneously also
Low temperature environment should be avoided to freeze conducting liquid 5 the problem of cannot flowing, conduction liquid is caused to fail, the present invention is further preferred
Embodiment is in addition, the conducting liquid 4 is low temperature resistant conductive gelatin.
Elastic force decline or elastic force failure whether are had occurred and that for the ease of monitoring 1 force variation situation of spring and spring 1
Situations such as, further preferred embodiment of the present invention is in addition, the spiral metal spring surface is located at spiral annulus inner ring
Side is equipped with groove 7, and the groove 7 is parallel with the axis of blank of spring, and the C-shaped slot in 7 section of groove is inlayed in the groove 7
Embedded with tensile stress resistance wire 8, the both ends of tensile stress resistance wire 8 and the both ends of helical spring are fixed, and are used for and tensile stress detector
Electrical connection.
When detection, tensile stress resistance wire 8 is first applied into certain pretightning force at the both ends of compression helical spring 1, then will
Tensile stress resistance wire 8 and the both ends of helical spring are fixed.Compression helical spring is compressed to limiting condition detection tensile stress resistance
The resistance value of silk 8, then compression helical spring is discharged into the resistance value that free state detects tensile stress resistance wire 8 again.Work as pressure
Contracting helical spring in a state of use tensile stress resistance wire 8 resistance value be less than compression limit state under resistance value, or freely
It is less than the resistance value of free state drop-down stressed resistance silk under state, illustrates that the elastic performance of spring has declined, if the resistance
Value is less than the threshold value of setting, then illustrates that the elastic force of the spring is no longer valid, if resistance value has been zero to illustrate that spring may be
Fracture.If the resistance value that the resistance value detected is greater than under free state illustrates spring using incorrect, it may occur however that deflection and
Spring use state may have occurred distortion.
Detection method same as compressed spring can also be used for the helical spring of stretching to detect.It will can also first draw
Stressed resistance silk 8 applies certain pretightning force at the both ends of draft helical spring, then by tensile stress resistance wire 8 and helical spring
Both ends fix.Draft helical spring is stretched to the resistance value of the limiting condition detection tensile stress resistance wire 8 used, then will be drawn
It stretches helical spring and is discharged into the resistance value that free state detects tensile stress resistance wire 8 again.When draft helical spring is using shape
The resistance value that state pulls down stressed resistance silk 8, which is greater than under the resistance value or free state under ultimate service state, is greater than free state
The resistance value for pulling down stressed resistance silk, illustrates that the elastic performance of spring has declined, if the resistance value is greater than the threshold value of setting,
Illustrate that the elastic force of the spring is no longer valid, if resistance value has been zero to illustrate that spring may be broken.If the resistance detected
It is incorrect that the resistance value that value is less than under free state illustrates that spring uses, and may be used by compression.
In order to avoid tensile stress resistance wire 8 is backing out out of C-channel, the preferred embodiment of the invention is in addition, in institute
It states in groove 7 filled with insulating cement.
Galvanic circle is constituted in order to avoid being connected between tensile stress resistance wire 8 and metal elastic spring body, Interference Detection accuracy,
Further preferred embodiment of the present invention is in addition, be equipped with insulating sheath on 8 surface of tensile stress resistance wire.
Since the structure of the spring is relatively complicated, it is only applicable to large-scale, heavy and big load machinery and sets
Standby, further preferred embodiment of the present invention is in addition, the spring 1 is heavy device-specific spring.
It 1 structure of spring and can be adapted for tension spring, also can be used in compressed spring, the present invention is further preferred
Embodiment in addition, the spring 1 is pressure spring or is tension spring.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. the spring that a kind of center is equipped with detection medium, which is characterized in that the spring is hollow spiral metal spring, In
The inner wall of cored screw type metal spring hollow hole is provided with insulating layer, at the both ends of the hollow hole of cored screw type metal spring
Equipped with insulation plug, in the hollow hole of spiral metal spring be filled with conduction liquid, the center of edge plug be fitted with across
The conducting probe of edge plug is electrically connected with detection circuit on the surface of spiral metal spring with conductive pin respectively.
2. the spring that center as described in claim 1 is equipped with detection medium, which is characterized in that the spiral metal spring
Material is spring steel.
3. the spring that center as claimed in claim 2 is equipped with detection medium, which is characterized in that the insulating layer is plastic-spraying layer,
Or insulating oil paint layer.
4. the spring that center as claimed in claim 3 is equipped with detection medium, which is characterized in that the insulation plug is insulation rubber
Rubber plug, or be electric insulating sealant.
5. the spring that center as claimed in claim 4 is equipped with detection medium, which is characterized in that the conducting liquid is low temperature resistant
Conductive gelatin.
6. the spring that center as claimed in claim 5 is equipped with detection medium, which is characterized in that the spiral metal spring table
Face is located at spiral annulus inner ring side equipped with groove, and the groove is parallel with the axis of blank of spring, the C-shaped slot of trench cross section,
Be inlaid with tensile stress resistance wire in the groove, the both ends of tensile stress resistance wire and the both ends of helical spring are fixed, for
The electrical connection of tensile stress detector.
7. the spring that center as claimed in claim 6 is equipped with detection medium, which is characterized in that in the groove filled with exhausted
Edge glue.
8. the spring that center as claimed in claim 7 is equipped with detection medium, which is characterized in that in the tensile stress resistance silk table
Face is equipped with insulating sheath.
9. the spring that center as claimed in claim 8 is equipped with detection medium, which is characterized in that the spring is that heavy equipment is special
Use spring.
10. the spring that center as claimed in claim 9 is equipped with detection medium, which is characterized in that the spring is pressure spring or is
Tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623467.4A CN110454531B (en) | 2019-07-11 | 2019-07-11 | Spring with detection medium in center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623467.4A CN110454531B (en) | 2019-07-11 | 2019-07-11 | Spring with detection medium in center |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110454531A true CN110454531A (en) | 2019-11-15 |
| CN110454531B CN110454531B (en) | 2021-03-02 |
Family
ID=68482572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910623467.4A Active CN110454531B (en) | 2019-07-11 | 2019-07-11 | Spring with detection medium in center |
Country Status (1)
| Country | Link |
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| CN (1) | CN110454531B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021144056A1 (en) * | 2020-01-16 | 2021-07-22 | Efaflex Tor- Und Sicherheitssysteme Gmbh & Co. Kg | Spring with a monitoring device, system with a door and the spring with the monitoring device, and method for same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021144056A1 (en) * | 2020-01-16 | 2021-07-22 | Efaflex Tor- Und Sicherheitssysteme Gmbh & Co. Kg | Spring with a monitoring device, system with a door and the spring with the monitoring device, and method for same |
| CN114051551A (en) * | 2020-01-16 | 2022-02-15 | 艾富来高速安全门有限公司 | Spring with monitoring device, system comprising a door and a spring with monitoring device and method thereof |
| CN114051551B (en) * | 2020-01-16 | 2023-10-13 | 艾富来高速安全门有限公司 | Spring with monitoring device, system comprising door and spring with monitoring device and method thereof |
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| CN110454531B (en) | 2021-03-02 |
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