CN216349248U

CN216349248U - Anchor rod stress sensor

Info

Publication number: CN216349248U
Application number: CN202122878666.5U
Authority: CN
Inventors: 吴玉荣
Original assignee: Clemens Industrial Sensors Nanjing Co ltd
Current assignee: Clemens Industrial Sensors Nanjing Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-19
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to a bolt stress sensor. Relates to the technical field of sensors. The method comprises the following steps: place the unable adjustment base, with place the unable adjustment base joint, be used for carrying out the sensor main part that detects work for connecting detection subassembly and sensor main part and connecting, data transmission performance and the coupling assembling that sensing performance is more stable, set up to be cylindrical, extend the fixed block that the predetermined distance runs through the through-hole to the outside along the center, and imbed inside the fixed block, be used for extending the section with the detection position fixed, with the interior locating piece of guarantee detection location nature. Through installing a plurality of fixed blocks, can guarantee the stability of its location and the later stage through mutually supporting of fixed block and detect the precision of sensing, through being provided with base and sensor main part, guarantee the stability that the sensor was placed through the base.

Description

Anchor rod stress sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to an anchor rod stress sensor.

Background

The anchor rod stress sensor is widely applied to concrete engineering such as various building foundations, piles, underground continuous walls, tunnel linings, bridges, slopes, wharfs, docks, gates and the like and the safety monitoring of deep foundation pit excavation, and is used for measuring anchoring force, drawing force and the like of an anchor rod;

when the existing anchor rod stress sensor is used for detection, the rigid sleeve is directly installed on the outer side of a detected end, the stability of the rigid sleeve installation is not high enough due to different structural sizes of the detected end, and when the existing anchor rod stress sensor is used for detection in the later period, the detection precision is influenced due to inaccurate alignment, so that later-period detection data is directly influenced;

simultaneously in the guarantee locating performance, the stability of subassembly installation is still high inadequately, consequently in order to satisfy above-mentioned demand, needs stock stress transducer.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the anchor rod stress sensor solves the problem that the existing anchor rod stress sensor is not flexible and convenient enough in the use process of the centering and positioning performance.

The second purpose is to solve the problem that the stability of assembly installation is not high enough while the positioning performance is guaranteed.

In order to achieve the purpose, the utility model provides the following technical scheme:

an anchor stress sensor, comprising: place the unable adjustment base, with place the unable adjustment base joint, be used for carrying out the sensor main part that detects work for connecting detection subassembly and sensor main part and connecting, data transmission performance and the coupling assembling that sensing performance is more stable, set up to be cylindrical, extend the fixed block that the predetermined distance runs through the through-hole to the outside along the center, and imbed inside the fixed block, be used for extending the section with the detection position fixed, with the interior locating piece of guarantee detection location nature.

Through installing a plurality of fixed blocks, can guarantee the stability of its location and the later stage through mutually supporting of fixed block and detect the precision of sensing, through being provided with base and sensor main part, guarantee the stability that the sensor was placed through the base, ensured the comprehensive of use to the at utmost, the practicality is higher.

According to an aspect of an embodiment of the present application, the placing fixture base includes: set up to rectangle, corner all fall the base body that has the arc angle, the up end of following the base body downwardly extending predetermined distance, form the fixed cell body that a level is less than the groove of base body, with base body joint, be used for providing the fixed cardboard of unit mount fixed area, and set up on the fixed cardboard, be used for providing the heat dissipation space, simultaneously with the fixed heat dissipation vestibule of coupling assembling looks.

Through being provided with the cell body, fixed cardboard and seting up the heat dissipation vestibule on fixed cardboard, can provide the required space of sensor unit installation, can dispel the heat simultaneously at the subassembly during operation, compare in directly set up the base body to the level, guarantee subassembly stability that can be better avoids appearing the displacement and rocks, and structural performance is simple perfect more.

According to an aspect of an embodiment of the present application, the heat dissipation bores are arranged in a hexagonal or circular shape.

Can select to set up according to actual installation demand, can make heat dispersion and subassembly fixed structural performance more comprehensive perfect.

According to an aspect of an embodiment of the present application, the fixing block includes: set up to the annular, be used for carrying on sensing spacing location and detect the ring to and run through to another terminal surface, be used for cooperating the spacing card hole that realizes the location with the inner assembly along a terminal surface that the location detected the ring inner wall is detected in the location, is used for detecting the spirit level that measures the straightness that hangs down.

Through being provided with the spirit level, can carry out horizontal location at later stage detection achievement time, cooperate with the alignment structure of inside in order to aim at the achievement time in later stage and detect to the alignment performance of guarantee structure, structural performance is simple more comprehensive.

According to an aspect of an embodiment of the present application, the inner positioning block includes: the positioning fixing sleeve is arranged in a circular ring shape, the outer diameter of the positioning fixing sleeve is in interference fit with the limiting clamping hole to form a positioning fit area, the positioning fixing sleeve penetrates through the other end face along one end face of the inner positioning block and is used for carrying out sensing positioning and guaranteeing the stability of the inner positioning block, and the inner positioning block is internally provided with a centering positioning structure.

According to an aspect of an embodiment of the present application, the centering structure comprises: the inner wall of the two sides of the embedded inner positioning block, the telescopic component of which the output end extends to the inner side of the positioning hole and is used for driving the component to move, and the accurate center positioning block which is in threaded connection with the output end of the telescopic component, is provided with an arc-shaped inner end surface and is attached to the detection end to ensure the level of the detection end so as to ensure the detection precision.

The telescopic driving accurate center positioning block through the telescopic assembly displaces, and drives the outer end face of the detection end to be attached to the detection end, so that the detection end is detected under the condition of relative stability level, and the detection stability is guaranteed to the maximum degree.

Compared with the prior art, the utility model has the beneficial effects that:

through installing a plurality of fixed blocks, can guarantee the stability of its location and the precision that later stage detected the sensing through mutually supporting of fixed block, through the accurate location structure of the inside installation at the fixed block, carry out accurate location through accurate location structure inner assembly, the precision and the stability that later stage detected have obtained better guarantee simultaneously, have solved the problem that the aforesaid provided.

Drawings

Fig. 1 is a perspective view of the anchor stress sensor of the present invention.

Fig. 2 is a perspective view of the present invention placing the fixing base.

Fig. 3 is an exploded view of the fixed block and the inner positioning block of the present invention.

In the figure: placing a fixed base 1, a base body 101, a fixed groove body 102, a fixed clamping plate 103, a heat dissipation dust filter plate 104, a heat dissipation hole cavity 105, a sensor main body 2, a connecting joint 3, a sensor cable 4, a second connecting structure 5, a fixed block 6, a positioning detection ring 601, a limiting clamping hole 602, a level meter 603, an inner positioning block 7, a positioning fixed sleeve 701, a positioning hole 702, a telescopic component 703 and an alignment positioning block 704.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

The applicant thinks that when the stock stress sensor detected, directly installed the just cover in the outside by the sense terminal, because the structural dimension by the sense terminal differs, so just the stability of cover installation was high inadequately, when detecting in the later stage, because accurate lead to the detection precision receiving the influence, direct influence later stage detection data.

For this reason, the applicant designs stock stress sensor, by placing fixed baseplate, the sensor main part, attach fitting, the sensor cable, the second connection structure, the fixed block is constituteed in the fixed block and, through installing a plurality of fixed blocks, can guarantee the stability of its location and the precision that the later stage detected the sensing through mutually supporting of fixed block, simultaneously through the accurate heart location structure of inside installation at the fixed block, carry out accurate heart location through accurate heart location structure inner assembly, the precision and the stability that the later stage detected have obtained better guarantee.

In practical application, as shown in fig. 1 to 3, the anchor rod stress sensor according to the present invention includes a placement fixing base 1, a sensor main body 2, a connection joint 3, a sensor cable 4, a second connection structure 5, a fixing block 6, and an inner positioning block 7, wherein the placement fixing base 1 includes: the base comprises a base body 101, a fixed groove body 102, a fixed clamping plate 103, a heat dissipation dust filter plate 104 and a heat dissipation hole cavity 105, wherein the fixed groove body 102 is arranged at the upper end of the base body 101, the fixed clamping plate 103 is arranged inside the fixed groove body 102, the fixed clamping plate 103 is arranged, the heat dissipation dust filter plate 104 is arranged on the fixed clamping plate 103, the number of the heat dissipation dust filter plates 104 is two, and the heat dissipation hole cavity 105 is arranged on the heat dissipation dust filter plate 104.

In the in-service use process, heat dissipation vestibule 105 can set up to circular or hexagon according to the sensor subassembly demand, when setting up to the hexagon, can't fix with heat dissipation vestibule 105 during the installation of internal components, can be at hexagon vestibule internally mounted dust screen, can prevent dust, heat dissipation vestibule 105 sets up when circular, can set up the thread groove in inside, fixes with the spiro union subassembly when the unit mount of being convenient for, further ensures installation stability.

In practical application, as shown in fig. 1 to 3, the fixing block 6 includes a positioning detection ring 601, a limiting clamp hole 602 and a level meter 603, wherein the limiting clamp hole 602 is arranged inside the positioning detection ring 601, the level meter 603 is installed on the inner wall of the limiting clamp hole 602, and the level meter 603 can ensure the horizontal performance of alignment in the detection process and avoid the influence of assembly inclination on the detection performance.

In practical application, as shown in fig. 1 to 3, the inner positioning block 7 includes a positioning fixing sleeve 701, a positioning hole 702, a telescopic component 703 and a centering positioning block 704, wherein the positioning hole 702 is arranged inside the positioning fixing sleeve 701, the telescopic components 703 are mounted on inner walls of two sides of the positioning hole 702, the centering positioning block 704 is mounted at an output end of the telescopic component 703, the centering positioning block 704 can be attached to an outer end face of a to-be-monitored end, and a predetermined installation level effect can be achieved by adjusting the telescopic components.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Stock stress sensor, its characterized in that includes:

placing a fixed base;

the sensor main body is clamped with the placing and fixing base and used for carrying out detection work;

the connecting assembly is used for connecting the detection assembly and the sensor main body, and the data transmission performance and the sensing performance are more stable;

the fixing block is arranged in a cylindrical shape and extends outwards along the center for a preset distance to penetrate through the through hole;

and the inner positioning block is embedded into the fixed block and is used for being fixed with the detection position extension section so as to ensure the detection positioning property.

2. A rock bolt stress sensor according to claim 1, wherein: the placing and fixing base comprises:

the base body is arranged to be rectangular, and arc angles are arranged on corners of the base body;

the fixed groove body extends downwards for a preset distance along the upper end surface of the base body to form a groove which is horizontally lower than the base body;

the fixing clamping plate is clamped with the base body and used for providing a component mounting and fixing area;

and the heat dissipation hole cavity is formed in the fixed clamping plate and used for providing a heat dissipation space and is fixed with the connecting assembly.

3. A rock bolt stress sensor according to claim 2, wherein: the heat dissipation hole cavity is hexagonal or circular.

4. A rock bolt stress sensor according to claim 1, wherein: the fixed block includes:

the positioning detection ring is arranged in an annular shape and used for sensing and limiting;

the limiting clamp hole penetrates through the other end face along one end face of the positioning detection ring and is used for being matched with the internal assembly to realize positioning;

and the level gauge is embedded into the inner wall of the positioning detection ring and is used for detecting the verticality.

5. A rock bolt stress sensor according to claim 1, wherein: the inner positioning block includes:

the positioning fixing sleeve is arranged in a circular ring shape, and the outer diameter of the positioning fixing sleeve is in interference fit with the limiting clamping hole to form a positioning fit area;

the positioning hole penetrates through the other end surface along one end surface of the inner positioning block and is used for sensing and positioning and ensuring the stability of the inner positioning block;

and a centering positioning structure is arranged in the inner positioning block.

6. A rock bolt stress sensor according to claim 5, wherein: the alignment structure includes:

the telescopic assembly is embedded into the inner walls of the two sides of the inner positioning block, and the output end of the telescopic assembly extends to the inner side of the positioning hole and is used for driving the assembly to move;

and the centering positioning block is in threaded connection with the output end of the telescopic assembly, the inner end surface of the centering positioning block is arc-shaped, and the centering positioning block is attached to the detection end to enable the centering positioning block to be horizontal so as to guarantee the detection precision.