CN112629430B - Novel optical fiber type joint meter - Google Patents
Novel optical fiber type joint meter Download PDFInfo
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- CN112629430B CN112629430B CN202011416962.7A CN202011416962A CN112629430B CN 112629430 B CN112629430 B CN 112629430B CN 202011416962 A CN202011416962 A CN 202011416962A CN 112629430 B CN112629430 B CN 112629430B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
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Abstract
The invention discloses a novel optical fiber type joint meter which comprises an optical fiber sensing assembly and a telescopic sleeve assembly. The optical fiber sensing assembly comprises an optical fiber access pipe, an optical fiber, a sensing element and a first sleeve, and the telescopic sleeve assembly comprises a pulling extrusion group, a second sleeve and a telescopic rod group. The invention has the advantages that the two sleeves can be fixedly connected and the measuring spring and the sensitive element can be fixed only by once stretching without other auxiliary actions. During transportation, only disassembled parts are needed to be carried, the joint meter with the appropriate measuring range can be quickly assembled on site, the carrying is convenient, and the measuring accuracy is improved.
Description
Technical Field
The invention relates to the technical field of dam measurement, in particular to a novel optical fiber type joint meter.
Background
The joint meter is mainly used for measuring the opening and closing degree of a joint or a seam of a concrete building structure, the strain gauge is mainly used for measuring the strain borne by a structure, a traditional common electric sensor is easy to be struck by lightning when being used in the field, is seriously interfered under a complex electromagnetic environment and is difficult to normally work, and meanwhile, a measuring signal is not easy to transmit remotely. The optical fiber type strain gauge has strong capability of lightning stroke resistance and electromagnetic interference resistance, can be used in high and low temperature severe environments, does not need power supply on site, and can transmit optical fiber signals in a long distance. The sensor can adopt communication multiplexing technologies such as wavelength division multiplexing and time division multiplexing to form a quasi-distributed network, one optical fiber can transmit signals, and a large number of cables are saved compared with the traditional electric sensor. The existing slit meter has fixed specification, poor measurement accuracy in the face of measurement objects with different measuring ranges, long length and inconvenience in carrying. Therefore, there is a need for a joint meter that can be assembled quickly and the measurement spring can be replaced easily to satisfy different measurement ranges.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with existing gap meters.
Therefore, one of the objects of the present invention is to provide a novel optical fiber type joint meter, which can solve the problems of the existing joint meter that the carrying is troublesome and the measurement precision is poor.
In order to solve the technical problems, the invention provides the following technical scheme: a novel optical fiber type slit meter comprises an optical fiber sensing assembly, a slit meter body and a slit measuring device, wherein the optical fiber sensing assembly comprises an optical fiber access pipe, an optical fiber arranged in the optical fiber access pipe, a sensitive element connected with the optical fiber, and a first sleeve connected with the sensitive element; the telescopic sleeve assembly comprises a pulling and extruding group connected with the sensitive element, a second sleeve connected with the first sleeve and a telescopic rod group arranged in the second sleeve.
As a preferable scheme of the novel optical fiber type slot meter of the present invention, wherein: the sensing element comprises an extrusion chamber arranged on the side surface of the sensing element, and the pulling extrusion group comprises an extrusion member arranged in the extrusion chamber and a pulling matching piece connected with the extrusion member.
As a preferable scheme of the novel optical fiber type slit meter of the present invention, wherein: the extruded piece include the multiunit stripper plate, with first articulated slab of stripper plate articulated and with first articulated slab articulated second articulated slab, the stripper plate with through hinge post fixed connection between the extrusion, the stripper plate bottom sets up to the cambered surface of evagination.
As a preferable scheme of the novel optical fiber type slit meter of the present invention, wherein: the pulling matching parts are symmetrically arranged into two groups; the pulling matching piece comprises a connecting plate connected with the second hinged plate, a connecting column connected with the connecting plate, a torsion spring arranged on the connecting column, a matching block hinged with the connecting column and an adjusting plate connected with the matching block; one end of the matching block is provided with an arc-shaped convex block, one end of the torsion spring is connected with the sensitive element, and the other end of the torsion spring is arranged on one side of the matching block; the side surface of the first sleeve is provided with an adjusting groove matched with the adjusting plate.
As a preferable scheme of the novel optical fiber type slit meter of the present invention, wherein: the second sleeve comprises a limiting slide block matched with the first sleeve, an arc top matching block matched with the matching block, and a clamping piece arranged in the first sleeve, wherein one end of the clamping piece extends out of the first sleeve; the limiting sliding block comprises a clamping opening matched with the clamping piece, and one end, close to the sensitive element, of the clamping opening is arc-shaped.
As a preferable scheme of the novel optical fiber type slit meter of the present invention, wherein: the clamping piece comprises a clamping block matched with the clamping port, a clamping spring connected with the clamping block, a clamping column connected with the clamping spring, a containing box fixed with the first sleeve and a clamping column limiting plate matched with the clamping column, wherein the clamping block and one end matched with the clamping port are arc-shaped.
As a preferable scheme of the novel optical fiber type slot meter of the present invention, wherein: the telescopic rod group comprises a telescopic rod connected with the second sleeve, an extension ring arranged at one end of the telescopic rod, a replacing block in threaded connection with the telescopic rod, a measuring spring connected with the replacing block, and an extrusion fixing plate connected with the measuring spring.
As a preferable scheme of the novel optical fiber type slit meter of the present invention, wherein: the extrusion fixing plate is arranged below the extrusion plate.
As a preferable scheme of the novel optical fiber type slit meter of the present invention, wherein: and the side surface of the optical fiber access pipe is provided with a matching access block matched with the first sleeve.
As a preferable scheme of the novel optical fiber type slit meter of the present invention, wherein: the first sleeve is respectively matched with the limiting slide block and the matching access block through grooves formed in two sides of the first sleeve.
The invention has the beneficial effects that: the invention can fixedly connect the two sleeves and fix the measuring spring and the sensitive element only by once stretching without other auxiliary actions. During transportation, only disassembled parts are needed to be carried, the joint meter with the appropriate measuring range can be quickly assembled on site, the carrying is convenient, and the measuring accuracy is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is an external structural view of a novel optical fiber type slit meter.
Fig. 2 is an exploded view of the optical fiber sensing assembly of the novel optical fiber type slit meter.
Fig. 3 is an internal structure diagram of the novel optical fiber type slit meter.
FIG. 4 is another view of the internal structure of the novel fiber-optic type joint meter.
FIG. 5 is an exploded view of a second sleeve of the novel fiber optic seam meter.
FIG. 6 is a view showing the structure of a fastener of the novel optical fiber type slit meter.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1-6, a first embodiment of the present invention provides a novel fiber optic joint meter including a fiber optic sensing assembly 100 and a telescoping sleeve assembly 200. The second sleeve 202 and the first sleeve 104 can be fixed by only sleeving the second sleeve 202 into the first sleeve 104 for stretching once, and the measuring spring 203d and the sensitive element 103 are fixed at the same time, so that the function of quick assembly is realized.
Specifically, the optical fiber sensing assembly 100 includes an optical fiber access tube 101, an optical fiber 102 disposed in the optical fiber access tube 101, a sensing element 103 connected to the optical fiber 102, and a first sleeve 104 connected to the sensing element 103; the sensor 103 is provided to fix and detect the elongation of the measuring spring 203d, so as to facilitate data statistics and gap measurement.
A telescopic sleeve assembly 200, which comprises a pulling and squeezing group 201 connected with the sensing element 103, a second sleeve 202 connected with the first sleeve 104, and a telescopic rod group 203 arranged in the second sleeve 202.
Further, the sensing element 103 comprises a pressing room 103a arranged on the side surface thereof, and the pulling and pressing group 201 comprises a pressing part 201a arranged in the pressing room 103a and a pulling and matching part 201b connected with the pressing part 201 a. The extrusion piece 201a comprises a plurality of groups of extrusion plates 201a-1, a first hinge plate 201a-2 hinged with the extrusion plates 201a-1 and a second hinge plate 201a-3 hinged with the first hinge plate 201a-2, the extrusion plates 201a-1 and the extrusion chamber 103a are fixedly connected through hinge columns 201a-4, the bottom of the extrusion plate 201a-1 is provided with an outward convex arc surface, and the rotation of the outward convex arc surface can extrude components at the bottom, so that clamping is realized. The pulling matching pieces 201b are symmetrically arranged into two groups; the pulling matching piece 201b comprises a connecting plate 201b-1 connected with the second hinge plate 201a-3, a connecting column 201b-2 connected with the connecting plate 201b-1, a torsion spring 201b-3 arranged on the connecting column 201b-2, a matching block 201b-4 hinged with the connecting column 201b-2 and an adjusting plate 201b-5 connected with the matching block 201 b-4; one end of the matching block 201b-4 is provided with an arc-shaped convex block, one end of the torsion spring 201b-3 is connected with the sensitive element 103, and the other end is arranged on one side of the matching block 201 b-4; an adjusting groove 104a matched with the adjusting plate 201b-5 is formed in the side surface of the first sleeve 104. The torsion spring 201b-1 is provided in order to return the engaging piece 201b-4 to the original state by the torsion spring 201b-1 after rotating in engagement with other components. The adjustment plate 201b-5 is provided to quickly release the first sleeve 104 from the second sleeve 202 when disassembled. The pulling matching piece 201b pulls the second hinged plate 201a-3, so that the first hinged plate 201a-2 drives the pressing plate 201a-1 to rotate, thereby realizing pressing and compressing.
Further, the second sleeve 202 comprises a limiting slide block 202a matched with the first sleeve 104, an arc top matching block 202b matched with the matching block 201b-4, and a clamping piece 202c arranged in the first sleeve 104 and having one end extending out of the first sleeve 104; the limiting slide block 202a comprises a clamping opening 202a-1 matched with the clamping piece 202c, and one end, close to the sensitive element 103, of the clamping opening 202a-1 is arranged to be arc-shaped. The arc top matching block 202b is arranged to match with the arc-shaped convex block at one end of the matching block 201b-4, so that the second sleeve 202 can drive the pulling matching block 201b when being pulled out, and the pulling matching block 201b is enabled to extrude the extrusion fixing plate 203e connected with the measuring spring 203d, thereby enabling the measuring spring 203d to be matched with the sensitive element 103. The pressing fixing plate 203e is provided as an elastic friction plate, and the measuring spring 203d can be more easily fixed. The engaging member 202c comprises an engaging block 202c-1 engaged with the engaging opening 202a-1, an engaging spring 202c-2 connected with the engaging block 202c-1, an engaging post 202c-3 connected with the engaging spring 202c-2, an accommodating box 202c-4 fixed with the first sleeve 104, and an engaging post limiting plate 202c-5 engaged with the engaging post 202c-3, wherein one end of the engaging block 202c-1 engaged with the engaging opening 202a-1 is arc-shaped. The snap post limit plate 202c-5 is detachably mounted on the snap post 202c-3 for fixing the snap post 202c-3, and after the second sleeve 202 is plugged into the first sleeve 104, the snap post limit plate 202c-5 is mounted on the snap post 202c-3, so that the snap block 202c-1 is always kept in a state of pressing the limit slider 202a under the action of the snap spring 202c-2 until the snap block 202c-1 is matched with the snap port 202 a-1.
Further, the telescopic rod set 203 comprises a telescopic rod 203a connected with the second sleeve 202, an elongated ring 203b arranged at one end of the telescopic rod 203a, a replacing block 203c in threaded connection with the telescopic rod 203a, a measuring spring 203d connected with the replacing block 203c, and an extrusion fixing plate 203e connected with the measuring spring 203d. The replacement block 203c is arranged, so that the measurement spring 203d with a proper measuring range can be selected according to the field condition, and only the replacement block 203c needs to be arranged on the telescopic rod 203a during replacement. The pressing fixing plate 203e is disposed below the pressing plate 201 a-1. The lengthened ring 203b is detachably fixed at one end of the telescopic rod 203a, and is convenient to detach the second sleeve 202 when the measurement and timing are required to be detached. The telescopic rod 203a is disposed in the second sleeve 202 and can be extended and retracted in the second sleeve 202.
When the device is used, the second sleeve 202 is positioned through the limiting slide block 202a matched with the first sleeve 104 and arranged on the second sleeve 202, the second sleeve 202 slides into the first sleeve 104 along the groove formed by matching the limiting slide block 202a with the first sleeve 104, the arc top matching block 202b at the top of the second sleeve 202 is extruded with the matching block 201b-4, the matching block 201b-4 rotates around the connecting column 201b-2 in the extrusion process, then the arc top matching block 202b continues to move forwards, the matching block 201b-4 rotates under the action of the torsion spring 201b-3 and finally is matched with the arc top matching block 202b, at the moment, the extrusion fixing plate block 203e arranged in the middle of the second sleeve 202 is located below the extrusion plate 201a-1, only the second sleeve 202 is pulled, the matching block 201b is pulled to extrude the extrusion plate fixing block 203e by pulling, and when the extrusion block 201a is pulled to enable the extrusion part to be maximally extruded by pulling the second sleeve 202, the second sleeve 202 cannot be continuously stretched, the clamping block 202c-1 is matched with the clamping opening 202a, the second sleeve 202a is connected with the second sleeve 202, and the fixed sensitive element 103 which can not be connected to be measured. When the second sleeve 202 is pulled, the clamping block 202c-1 retracts into the accommodating box 202c-4 because the clamping opening 202a-1 and one end of the clamping block 202c-1 are arc-shaped, so that the second sleeve 202 can be separated from the first sleeve 104, and then the replacing block 203c and the telescopic rod 203a are detached to complete detachment and accommodation.
In summary, when the retractable sleeve assembly 200 is connected to the optical fiber sensing assembly 100, two sleeves and the measuring spring 203d spring are fixedly connected to the sensing element 103 only by one-time stretching, and other auxiliary actions are not required. During transportation, only disassembled parts are needed to be carried, the joint meter with the appropriate measuring range can be quickly assembled on site, the carrying is convenient, and the measuring accuracy is improved. After the use, can dismantle fast, be convenient for accomodate, improve work efficiency.
Example 2
Referring to fig. 2, a second embodiment of the present invention, which is different from the first embodiment, is: a mating access block 101a is also included. In the above embodiment, the novel fiber optic joint meter includes a fiber optic sensing assembly 100 and a telescoping sleeve assembly 200. The second sleeve 202 and the first sleeve 104 can be fixed only by sleeving the second sleeve 202 into the first sleeve 104 and stretching once, and the measuring spring 203d and the sensitive element 103 are fixed at the same time, so that the function of quick assembly is realized.
Specifically, the optical fiber sensing assembly 100 includes an optical fiber access tube 101, an optical fiber 102 disposed in the optical fiber access tube 101, a sensing element 103 connected to the optical fiber 102, and a first sleeve 104 connected to the sensing element 103; the sensing element 103 is provided to fix and detect the elongation of the measuring spring 203d, so as to facilitate the statistics and measurement of the gap.
A telescopic sleeve assembly 200 comprising a pulling and squeezing group 201 connected with the sensing element 103, a second sleeve 202 connected with the first sleeve 104, and a telescopic rod group 203 disposed in the second sleeve 202.
Further, the sensing element 103 comprises a pressing room 103a arranged on the side surface thereof, and the pulling and pressing group 201 comprises a pressing part 201a arranged in the pressing room 103a and a pulling and matching part 201b connected with the pressing part 201 a. The extrusion piece 201a comprises a plurality of groups of extrusion plates 201a-1, a first hinge plate 201a-2 hinged with the extrusion plates 201a-1 and a second hinge plate 201a-3 hinged with the first hinge plate 201a-2, the extrusion plates 201a-1 and the extrusion chamber 103a are fixedly connected through hinge columns 201a-4, the bottom of the extrusion plate 201a-1 is provided with an outward convex arc surface, and the rotation of the outward convex arc surface can extrude components at the bottom, so that clamping is realized. The pulling matching pieces 201b are symmetrically arranged into two groups; the pulling matching piece 201b comprises a connecting plate 201b-1 connected with the second hinge plate 201a-3, a connecting column 201b-2 connected with the connecting plate 201b-1, a torsion spring 201b-3 arranged on the connecting column 201b-2, a matching block 201b-4 hinged with the connecting column 201b-2 and an adjusting plate 201b-5 connected with the matching block 201 b-4; one end of the matching block 201b-4 is provided with an arc-shaped convex block, one end of the torsion spring 201b-3 is connected with the sensitive element 103, and the other end is arranged on one side of the matching block 201 b-4; an adjusting groove 104a matched with the adjusting plate 201b-5 is formed in the side surface of the first sleeve 104. The torsion spring 201b-1 is provided to rotate the engaging piece 201b-4 back to the initial state by the torsion spring 201b-1 after rotating in engagement with other components. The adjustment plate 201b-5 is provided to quickly release the first sleeve 104 from the second sleeve 202 during disassembly. The pulling matching piece 201b pulls the second hinged plate 201a-3, so that the first hinged plate 201a-2 drives the pressing plate 201a-1 to rotate, thereby realizing pressing and compressing.
Further, the second sleeve 202 comprises a limiting slide block 202a matched with the first sleeve 104, an arc top matching block 202b matched with the matching block 201b-4, and a clamping piece 202c arranged in the first sleeve 104 and having one end extending out of the first sleeve 104; the limiting slide block 202a comprises a clamping opening 202a-1 matched with the clamping piece 202c, and one end, close to the sensitive element 103, of the clamping opening 202a-1 is arranged to be arc-shaped. The arc top matching block 202b is arranged to match with the arc-shaped convex block at one end of the matching block 201b-4, so that the second sleeve 202 can drive the pulling matching block 201b when being pulled out, and the pulling matching block 201b is enabled to extrude the extrusion fixing plate 203e connected with the measuring spring 203d, thereby enabling the measuring spring 203d to be matched with the sensitive element 103. The pressing fixing plate 203e is provided as an elastic friction plate, and the measuring spring 203d can be more easily fixed. The engaging member 202c comprises an engaging block 202c-1 engaged with the engaging opening 202a-1, an engaging spring 202c-2 connected with the engaging block 202c-1, an engaging post 202c-3 connected with the engaging spring 202c-2, an accommodating box 202c-4 fixed with the first sleeve 104, and an engaging post limiting plate 202c-5 engaged with the engaging post 202c-3, wherein one end of the engaging block 202c-1 engaged with the engaging opening 202a-1 is arc-shaped. The engaging post limiting plate 202c-5 is detachably mounted on the engaging post 202c-3 for fixing the engaging post 202c-3, and after the second sleeve 202 is plugged into the first sleeve 104, the engaging post limiting plate 202c-5 is mounted on the engaging post 202c-3, so that the engaging block 202c-1 is always kept in a state of pressing the limiting slider 202a under the action of the engaging spring 202c-2 until the engaging block 202c-1 is matched with the engaging opening 202 a-1.
Further, the telescopic rod set 203 comprises a telescopic rod 203a connected with the second sleeve 202, an elongated ring 203b arranged at one end of the telescopic rod 203a, a replacing block 203c in threaded connection with the telescopic rod 203a, a measuring spring 203d connected with the replacing block 203c, and an extrusion fixing plate 203e connected with the measuring spring 203d. The replacement block 203c is arranged, so that the measurement spring 203d with a proper measuring range can be selected according to the field condition, and only the replacement block 203c needs to be arranged on the telescopic rod 203a during replacement. The pressing fixing plate 203e is disposed below the pressing plate 201 a-1. The lengthened ring 203b is detachably fixed at one end of the telescopic rod 203a, and is detached when the measurement and timing are needed, so that the second sleeve 202 is conveniently detached. The telescopic rod 203a is disposed in the second sleeve 202 and can be extended and retracted in the second sleeve 202.
Preferably, a matching access block 101a matched with the first sleeve 104 is arranged on the side surface of the optical fiber access tube 101, a connecting partition plate Z is arranged in the first sleeve 104, and the distance from the connecting partition plate Z to one end of the first sleeve 104 is the same as the length of the matching access block 101a, so that the pipeline access tube 101 can be fixed only by rotating the optical fiber access tube 101 after entering the first sleeve 104 through a groove matched with the matching access block 101a. The first sleeve 104 is respectively matched with the limiting slide block 202a and the matching access block 101a through grooves T arranged on two sides of the first sleeve. The rotation of the second sleeve 202 can be limited by the engagement of the limiting slide 202a with the groove at one end of the first sleeve 104.
When the device is used, the second sleeve 202 is positioned through the limiting slide block 202a matched with the first sleeve 104 and arranged on the second sleeve 202, the second sleeve 202 slides into the first sleeve 104 along the groove formed by matching the limiting slide block 202a with the first sleeve 104, the arc top matching block 202b at the top of the second sleeve 202 is extruded with the matching block 201b-4, the matching block 201b-4 rotates around the connecting column 201b-2 in the extrusion process, then the arc top matching block 202b continues to move forwards, the matching block 201b-4 rotates under the action of the torsion spring 201b-3 and finally is matched with the arc top matching block 202b, at the moment, the extrusion fixing plate block 203e arranged in the middle of the second sleeve 202 is located below the extrusion plate 201a-1, only the second sleeve 202 is pulled, the matching block 201b is pulled to extrude the extrusion plate fixing block 203e by pulling, and when the extrusion block 201a is pulled to enable the extrusion part to be maximally extruded by pulling the second sleeve 202, the second sleeve 202 cannot be continuously stretched, the clamping block 202c-1 is matched with the clamping opening 202a, the second sleeve 202a is connected with the second sleeve 202, and the fixed sensitive element 103 which can not be connected to be measured. When the second sleeve 202 is pulled, the clamping block 202c-1 retracts into the accommodating box 202c-4 because the clamping opening 202a-1 and one end of the clamping block 202c-1 are arc-shaped, so that the second sleeve 202 can be separated from the first sleeve 104, and then the replacing block 203c and the telescopic rod 203a are detached to finish detachment and accommodation.
In summary, when the retractable sleeve assembly 200 is connected to the optical fiber sensing assembly 100, two sleeves and the measuring spring 203d spring are fixedly connected to the sensing element 103 only by one-time stretching, and other auxiliary actions are not required. During transportation, only disassembled parts are needed to be carried, the joint meter with the appropriate measuring range can be quickly assembled on site, the carrying is convenient, and the measuring accuracy is improved. After the use, can dismantle fast, be convenient for accomodate, improve work efficiency.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not have been described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (3)
1. The utility model provides a novel optic fibre formula joint meter which characterized in that: comprises the steps of (a) preparing a substrate,
the optical fiber sensing assembly (100) comprises an optical fiber access pipe (101), an optical fiber (102) arranged in the optical fiber access pipe (101), a sensitive element (103) connected with the optical fiber (102), and a first sleeve (104) connected with the sensitive element (103);
a telescopic sleeve assembly (200) comprising a pulling and squeezing group (201) connected with the sensing element (103), a second sleeve (202) connected with the first sleeve (104), and a telescopic rod group (203) arranged in the second sleeve (202);
the sensing element (103) comprises a pressing room (103 a) arranged on the side surface of the sensing element, and the pulling and pressing group (201) comprises a pressing part (201 a) arranged in the pressing room (103 a) and a pulling and matching part (201 b) connected with the pressing part (201 a);
the extrusion piece (201 a) comprises a plurality of groups of extrusion plates (201 a-1), a first hinge plate (201 a-2) hinged with the extrusion plates (201 a-1) and a second hinge plate (201 a-3) hinged with the first hinge plate (201 a-2), the extrusion plates (201 a-1) and the extrusion chamber (103 a) are fixedly connected through hinge columns (201 a-4), and the bottom of the extrusion plates (201 a-1) is provided with an outward convex arc surface;
the pulling matching pieces (201 b) are symmetrically arranged into two groups; the pulling matching piece (201 b) comprises a connecting plate (201 b-1) connected with the second hinge plate (201 a-3), a connecting column (201 b-2) connected with the connecting plate (201 b-1), a torsion spring (201 b-3) arranged on the connecting column (201 b-2), a matching block (201 b-4) hinged with the connecting column (201 b-2), and a regulating plate (201 b-5) connected with the matching block (201 b-4); one end of the matching block (201 b-4) is provided with an arc-shaped convex block, one end of the torsion spring (201 b-3) is connected with the sensitive element (103), and the other end of the torsion spring is arranged on one side of the matching block (201 b-4); an adjusting groove (104 a) matched with the adjusting plate (201 b-5) is formed in the side surface of the first sleeve (104);
the second sleeve (202) comprises a limiting sliding block (202 a) matched with the first sleeve (104), an arc top matching block (202 b) matched with the matching block (201 b-4), and a clamping piece (202 c) arranged in the first sleeve (104) and one end of the clamping piece extends out of the first sleeve (104); the limiting sliding block (202 a) comprises a clamping opening (202 a-1) matched with the clamping piece (202 c), and one end, close to the sensitive element (103), of the clamping opening (202 a-1) is arranged to be arc-shaped;
the clamping piece (202 c) comprises a clamping block (202 c-1) matched with the clamping opening (202 a-1), a clamping spring (202 c-2) connected with the clamping block (202 c-1), a clamping column (202 c-3) connected with the clamping spring (202 c-2), an accommodating box (202 c-4) fixed with the first sleeve (104) and a clamping column limiting plate (202 c-5) matched with the clamping column (202 c-3), and one end, matched with the clamping opening (202 a-1), of the clamping block (202 c-1) is arc-shaped;
the telescopic rod group (203) comprises a telescopic rod (203 a) connected with the second sleeve (202), an elongated ring (203 b) arranged at one end of the telescopic rod (203 a), a replacing block (203 c) in threaded connection with the telescopic rod (203 a), a measuring spring (203 d) connected with the replacing block (203 c), and an extrusion fixing plate block (203 e) connected with the measuring spring (203 d);
the extrusion fixing plate (203 e) is arranged below the extrusion plate (201 a-1).
2. The novel fiber optic joint meter of claim 1, wherein: and a matching access block (101 a) matched with the first sleeve (104) is arranged on the side surface of the optical fiber access pipe (101).
3. The novel fiber optic joint meter of claim 2, wherein: the first sleeve (104) is respectively matched with the limiting slide block (202 a) and the matching access block (101 a) through grooves formed in two sides of the first sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011416962.7A CN112629430B (en) | 2020-12-07 | 2020-12-07 | Novel optical fiber type joint meter |
Applications Claiming Priority (1)
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| JP2000046526A (en) * | 1998-07-31 | 2000-02-18 | Nippon Seiko Kk | Gap measuring device |
| AU2019101695A4 (en) * | 2019-12-24 | 2020-02-06 | Henan Polytechnic University | An Optical Fiber Grating Arch Bridge Pressure Sensor |
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| KR101209939B1 (en) * | 2010-11-05 | 2012-12-10 | 부산대학교 산학협력단 | Apparatus for measurement based on FBG sensor and bridge bearing thereof |
| CN209464051U (en) * | 2018-11-14 | 2019-10-08 | 新乡医学院第三附属医院 | A kind of portable stone taking device of digestion department |
| CN209673050U (en) * | 2019-04-22 | 2019-11-22 | 南京杰迪欧光电科技有限公司 | A kind of high-precision optical fiber slit gauge |
| CN210730396U (en) * | 2019-09-20 | 2020-06-12 | 冠宏化工（扬州）有限公司 | Quick telescopic small-sized air suction hood |
| CN210802297U (en) * | 2019-11-08 | 2020-06-19 | 海安市建筑工程质量检测中心有限公司 | Insulation material thickness detector with telescopic link |
| CN211477487U (en) * | 2019-12-29 | 2020-09-11 | 江苏省金湖县热工仪表线缆厂有限公司 | Quick assembly disassembly device for pressure transmitter |
| CN112556634B (en) * | 2020-12-07 | 2022-11-18 | 贵州乌江清水河水电开发有限公司 | Joint meter monitoring system |
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| JP2000046526A (en) * | 1998-07-31 | 2000-02-18 | Nippon Seiko Kk | Gap measuring device |
| AU2019101695A4 (en) * | 2019-12-24 | 2020-02-06 | Henan Polytechnic University | An Optical Fiber Grating Arch Bridge Pressure Sensor |
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