CN219045694U

CN219045694U - Vibrating wire type strain gauge fixing auxiliary tool

Info

Publication number: CN219045694U
Application number: CN202223454924.8U
Authority: CN
Inventors: 许讯; 孙航; 施辉建; 蔡俊凯
Original assignee: Cccc Green Construction Xiamen Technology Co ltd
Current assignee: Cccc Green Construction Xiamen Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-19
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a vibrating wire type strain gauge fixing auxiliary tool, which relates to the technical field of vibrating wire type strain gauges and comprises a vibrating wire type strain gauge body, wherein a first strain gauge base is fixedly connected to one side of the vibrating wire type strain gauge body, a second strain gauge base is fixedly connected to one side of the vibrating wire type strain gauge body, which is far away from the first strain gauge base, so that a first jacking piece can only jack an iron seat on the surface of a rigid structure, and is only suitable for the surface of a steel structure.

Description

Vibrating wire type strain gauge fixing auxiliary tool

Technical Field

The utility model relates to the technical field of vibrating wire strain gauges, in particular to a vibrating wire strain gauge fixing auxiliary tool.

Background

The strain sensor for measuring by using vibrating wire has the greatest advantages of simple structure, reliable operation, standard frequency signal as output signal, very convenient computer processing or circuit conditioning by means of substitution, the vibrating wire strain gauge is required to be tightly attached to the surface of the measured object when the vibrating wire strain gauge is used for measuring the strain, the vibrating wire strain gauge is generally fixed on the surface of concrete or steel by glue, the vibrating wire strain gauge is required to be manually pressed to compact before the glue is not solidified,

for example, the utility model with publication number CN215410989U discloses an auxiliary mounting device for a surface strain gauge of a steel structure, step 1, placing the strain gauge on a plane horizontally, loosening a fixing piece of a connecting assembly, adjusting the distance between two groups of clip assemblies to adapt to the length of the strain gauge, and then tightening and fixing the fixing piece; step 2, releasing the first propping piece and the second propping piece, enabling the first open surface of the shell to face the iron seat, buckling the shell on the iron seat of the strain gauge, checking whether the bottom surface of the iron seat and the bottom surface of the adsorption piece are in the same plane, and determining that the second propping piece is screwed and fixed after the second propping piece is screwed and fixed, so that the strain gauge is fixed on the auxiliary device, and at the moment, the strain tube 5 of the strain gauge is parallel to the connecting rod; and step 3, coating mixed glue on the lower end surface of the strain gauge, opening a laser calibration piece, correcting whether the mounting direction of the strain gauge deviates or not by using a laser beam, and adhering the strain gauge to the mounting position of the steel structure after confirming the general direction. Step 4, performing angle fine adjustment when the glue is not dried and fixed, and closing the laser calibration piece after adjustment is completed; opening the switch of the adsorption piece to enable the auxiliary device to be adsorbed on the steel structure; and 5, screwing the first propping piece, so that the iron seat is propped against the steel structure, stability is ensured, the first propping piece and the second propping piece are loosened after the mixed glue is dried and fixed, and the auxiliary device is taken down. When the surface wall of the installed steel structure is a cylindrical surface, the installation flow is as follows: repeating the steps 1-2; 3. loosening the fixing piece of the connecting assembly, so that the shell can axially rotate around the connecting rod, and tightening the fixing piece after the shell is matched with the radian of the surface of the cylinder; opening the laser calibration piece, coating mixed glue on the lower end surface of the iron seat after adjusting the installation position, performing angle fine adjustment when the glue is not dried and fixed, and closing the laser calibration piece after the adjustment is completed; then the support is rotated downwards, so that one end of the absorption part is supported, and the absorption part is prevented from shaking on the surface of the column body; finally, opening the switch of the adsorption piece, and fixing the auxiliary device on the column steel structure; 4. the fixing is then carried out as described above in step 5.

Aiming at the scheme that: the inventor considers that in the above reference document, the iron seat is tightly propped against the to-be-mounted surface through the first propping piece, the device is taken down after glue is dried and fixed, and the defect caused by manual pressing is avoided, but the first propping piece only can tightly prop against the surface of the rigid structure, so that the iron seat is only suitable for the surface of the steel structure, and the iron seat cannot be used for a concrete structure, so that the application range is not wide.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide a vibrating wire type strain gauge fixing auxiliary tool which can effectively solve the problems that a first propping piece can only prop up an iron seat on the surface of a rigid structure, so that the iron seat is only suitable for the surface of a steel structure, and the iron seat cannot be used for a concrete structure, so that the application range is not wide.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a fixed appurtenance of vibrating wire formula strainometer, includes the vibrating wire formula strainometer body, one side fixedly connected with first strainometer base of vibrating wire formula strainometer body, one side fixedly connected with second strainometer base of first strainometer base is kept away from to the vibrating wire formula strainometer body, the outside cover of first strainometer base is equipped with first sleeve, the outside cover of second strainometer base is equipped with the second sleeve, the first connecting rod of telescopic upside fixedly connected with, one side of first connecting rod is provided with the second connecting rod, just fixed connection between second connecting rod and the second sleeve, the equal fixedly connected with elastic band in outside of first connecting rod and second connecting rod, one side fixedly connected with sucking disc of elastic band is provided with adjusting part between first connecting rod and the second connecting rod.

As a preferable scheme of the utility model, the adjusting component comprises a rotating block rotatably connected to one side of the first connecting rod, a thread groove is formed in one side of the second connecting rod, a threaded rod is fixedly connected to one side of the rotating block, and the threaded rod is in threaded connection with the inside of the thread groove.

As a preferable scheme of the utility model, a limit groove is formed in one side of the first connecting rod, a limit block is rotatably connected to the first connecting rod in the limit groove, and the limit block is fixedly connected with the rotating block.

As a preferable scheme of the utility model, the outer side of the rotating block is provided with anti-skid patterns, and a plurality of anti-skid patterns are arranged.

As a preferable scheme of the utility model, the first rubber pad is fixedly connected to the inside of the first sleeve, and the second rubber pad is fixedly connected to the inside of the second sleeve.

As a preferred embodiment of the present utility model, a plurality of elastic bands and suction cups are provided.

Compared with the prior art, the utility model has the advantages that:

1. in the device, the first strain gauge base and the second strain gauge base can drive the vibrating wire type strain gauge body to be positioned on the surface of concrete or the surface of a steel structure, then the first sleeve and the second sleeve are sleeved on the outer sides of the first strain gauge base and the second strain gauge base, then the sucker is pulled to drive the elastic band to stretch and tighten, then the sucker is adsorbed on the surface of the concrete or the surface of the steel structure, so that the first strain gauge base and the second strain gauge base are in full contact with the test surface, compaction is not needed by manual work, and the sucker can be adsorbed on the surface of the concrete and the surface of the steel structure freely, so that the application range of the sucker is wider.

2. The threaded rod in this device can drive the second connecting rod and remove when the inside of screw groove rotates to reach the effect of keeping away from and being close to the head rod, this can effectually adjust the distance between head rod and the second connecting rod, makes head rod and second connecting rod can be applicable to the string formula strain gauge body that shakes of different length and the first strain gauge base and the second strain gauge base of different intervals.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a first rubber pad according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a second connecting rod according to an embodiment of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

The reference numerals in the figures illustrate:

1. a vibrating wire strain gauge body; 21. a first strain gauge mount; 22. a second strain gauge mount; 31. a first sleeve; 32. a second sleeve; 33. a first connecting rod; 34. a second connecting rod; 35. an elastic band; 36. a suction cup; 41. a rotating block; 42. a thread groove; 43. a threaded rod; 51. a limit groove; 52. a limiting block; 6. anti-skid lines; 71. a first rubber pad; 72. and a second rubber pad.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, an auxiliary tool for fixing a vibrating wire type strain gauge includes a vibrating wire type strain gauge body 1, a first strain gauge base 21 is fixedly connected to one side of the vibrating wire type strain gauge body 1, a second strain gauge base 22 is fixedly connected to one side of the vibrating wire type strain gauge body 1 away from the first strain gauge base 21, the vibrating wire type strain gauge body 1 can be used for connecting the first strain gauge base 21 and the second strain gauge base 22, and the first strain gauge base 21 and the second strain gauge base 22 can be sleeved and limited by a first sleeve 31 and a second sleeve 32, so that the vibrating wire type strain gauge body 1 can be smoothly limited, meanwhile, the lower sides of the first strain gauge base 21 and the second strain gauge base 22 can be used for applying glue to fix the first strain gauge base 21, the second strain gauge base 22 and the vibrating wire type strain gauge body 1, and the vibrating wire type strain gauge body 1 are known in the art, and will not be repeated herein.

In addition, the outside cover of first strain gauge base 21 is equipped with first sleeve 31, the outside cover of second strain gauge base 22 is equipped with second sleeve 32, first sleeve 31 and second sleeve 32 slidable connection is in the outside of first strain gauge base 21 and second strain gauge base 22 respectively, thereby connect and limit first strain gauge base 21 and second strain gauge base 22, and after the glue of first strain gauge base 21 and second strain gauge base 22 bottom solidifies, first sleeve 31 and second sleeve 32 still can break away from in first strain gauge base 21 and second strain gauge base 22 through the slip, the upside fixedly connected with head rod 33 of first sleeve 31, one side of head rod 33 is provided with second connecting rod 34, and fixed connection between second connecting rod 34 and the second sleeve 32, head rod 33 and second connecting rod 34 accessible adjusting part link together, thereby reach the effect of connecting first sleeve 31 and second sleeve 32, and head rod 33 and second connecting rod 34 can play the effect of supporting and accepting.

In addition, the outside of the first connecting rod 33 and the second connecting rod 34 are fixedly connected with the elastic band 35, one side of the elastic band 35 is fixedly connected with the sucking disc 36, the elastic band 35 can be used for connecting the sucking disc 36, and the elastic band 35 can be stretched through elasticity, so that the sucking disc 36 can be stably arranged on the first sleeve 31 and the second sleeve 32 when being adsorbed on the concrete surface and the steel structure surface, the phenomenon of loosening is not easy to occur, the first strain gauge base 21 and the second strain gauge base 22 are not easy to break away, the sucking disc 36 can be freely adsorbed on the concrete surface and the steel structure surface, the application range is wider, and an adjusting component is arranged between the first connecting rod 33 and the second connecting rod 34.

Specifically, the adjusting component includes rotating block 41 that rotates to connect in head rod 33 one side, thread groove 42 has been seted up to one side of second connecting rod 34, one side fixedly connected with threaded rod 43 of rotating block 41, and threaded rod 43 threaded connection is in the inside of thread groove 42, rotating block 41 can be used to connect head rod 33, make rotating block 41 can rotate in one side of head rod 33, and threaded rod 43 then can be driven by rotating block 41 and rotate together, rethread thread groove 42 that sets up makes threaded rod 43 rotate in the inside of thread groove 42, can drive second connecting rod 34 and remove, thereby reach the effect of keeping away from and being close to head rod 33, this distance between head rod 33 and the second connecting rod 34 of effectual regulation, make head rod 33 and second connecting rod 34 can be applicable to the vibrating wire strain gauge body 1 of different length and the first strain gauge base 21 and the second strain gauge base 22 of different intervals.

Specifically, the limit groove 51 is formed in one side of the first connecting rod 33, the first connecting rod 33 is located in the limit groove 51 and is rotationally connected with the limit block 52, the limit groove 51 and the limit block 52 are fixedly connected with the rotary block 41, the limit groove 51 and the limit block 52 are in a T-shaped cylindrical shape, the limit groove 51 can limit the limit block 52, the limit block 52 is not easy to separate from the limit groove 51, meanwhile, the rotary block 41 is limited by the limit block 52, and the rotary block 41 is more stable in one side of the first connecting rod 33 and is not easy to separate from the first connecting rod 33.

Specifically, the anti-skidding line 6 has been seted up in the outside of turning block 41, and anti-skidding line 6 can play the skid-proof effect for people are difficult for appearing the hand and slide and be difficult to the pivoted phenomenon when turning block 41, and anti-skidding line 6 is provided with a plurality ofly, can make anti-skidding effect of anti-skidding line 6 better.

Specifically, the first rubber pad 71 is fixedly connected to the inside of the first sleeve 31, the second rubber pad 72 is fixedly connected to the inside of the second sleeve 32, the first rubber pad 71 and the second rubber pad 72 can play a role in protecting the first strain gauge base 21 and the second strain gauge base 22, and meanwhile, the first rubber pad 71 and the second rubber pad 72 also have good anti-slip effects, so that the first strain gauge base 21 and the second strain gauge base 22 are firmer and more stable when located inside the first sleeve 31 and the second sleeve 32, and are not easy to separate from the first sleeve 31 and the second sleeve 32.

Specifically, the elastic bands 35 and the suction cups 36 are provided in plurality, which can make the suction cups 36 have better restraining effect on the first sleeve 31 and the second sleeve 32, and make the first sleeve 31 and the second sleeve 32 more firm and stable.

The working principle and the using flow of the utility model are as follows: when the device is used, the first sleeve 31 and the second sleeve 32 are respectively sleeved on the outer sides of the first strain gauge base 21 and the second strain gauge base 22, then the first strain gauge base 21 and the second strain gauge base 22 are tightly attached to the surface of concrete or steel, meanwhile, the first strain gauge base 21 and the second strain gauge base 22 can drive the vibrating wire type strain gauge body 1 to be located on one side of the surface of the concrete or steel together, at the moment, the sucker 36 can be pulled to drive the elastic band 35 to stretch and tighten, then the sucker 36 is adsorbed on the surface of the concrete or steel structure, so that the first strain gauge base 21 and the second strain gauge base 22 are in full contact with a test surface, glue can be smeared on the lower sides of the first strain gauge base 21 and the second strain gauge base 22, at the moment, the first strain gauge base 21 and the second strain gauge base 22 can be limited by the sucker 36 through the first sleeve 31 and the second sleeve 32, the first strain gauge base 21 and the second strain gauge base 22 can be stabilized on the surface of the concrete or the surface of the steel structure, and gaps are not easy to occur before the glue is solidified, the suction disc 36 can be more easily removed or the body exists, the suction disc 36 can be adsorbed on the surface of the concrete or the steel structure, and the quality of the steel structure can not be firmly detected, and the suction disc can be more firmly adhered on the surface of the surface.

After the glue is solidified, the sucking disc 36 can be taken down from the surface of concrete or steel, then the first sleeve 31 and the second sleeve 32 are separated from the outer sides of the first strain gauge base 21 and the second strain gauge base 22 in a sliding manner, the defect that the pressing is uneven due to manual pressing can be effectively avoided, so that the problem that the first tightening piece only can tightly press the iron seat on the surface of the steel structure, and the steel structure is only suitable for the surface of the steel structure, so that the steel structure cannot be used for a concrete structure, and the application range is not wide.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present utility model.

Claims

1. The utility model provides a fixed appurtenance of vibrating wire formula strainometer, includes vibrating wire formula strainometer body (1), its characterized in that: one side fixedly connected with first strain gauge base (21) of vibrating wire formula strainometer body (1), one side fixedly connected with second strain gauge base (22) of first strain gauge base (21) are kept away from to vibrating wire formula strainometer body (1), the outside cover of first strain gauge base (21) is equipped with first sleeve (31), the outside cover of second strain gauge base (22) is equipped with second sleeve (32), the upside fixedly connected with head rod (33) of first sleeve (31), one side of head rod (33) is provided with second connecting rod (34), just fixedly connected with between second connecting rod (34) and the second sleeve (32), the outside of head rod (33) and second connecting rod (34) is all fixedly connected with elastic band (35), one side fixedly connected with sucking disc (36) of elastic band (35), be provided with adjusting part between head rod (33) and the second connecting rod (34).

2. The vibrating wire strain gauge attachment accessory as in claim 1, wherein: the adjusting component comprises a rotating block (41) which is connected to one side of the first connecting rod (33) in a rotating mode, a thread groove (42) is formed in one side of the second connecting rod (34), a threaded rod (43) is fixedly connected to one side of the rotating block (41), and the threaded rod (43) is in threaded connection with the inside of the thread groove (42).

3. The vibrating wire strain gauge attachment accessory as in claim 2, wherein: one side of the first connecting rod (33) is provided with a limiting groove (51), the first connecting rod (33) is positioned in the limiting groove (51) and is rotationally connected with a limiting block (52), and the limiting block (52) is fixedly connected with the rotating block (41).

4. The vibrating wire strain gauge attachment accessory as in claim 2, wherein: anti-skid patterns (6) are formed in the outer side of the rotating block (41), and a plurality of anti-skid patterns (6) are formed.

5. The vibrating wire strain gauge attachment accessory as in claim 1, wherein: the inside fixedly connected with first rubber pad (71) of first sleeve (31), the inside fixedly connected with second rubber pad (72) of second sleeve (32).

6. The vibrating wire strain gauge attachment accessory as in claim 1, wherein: the elastic band (35) and the sucker (36) are provided with a plurality of elastic bands.