CN111649852A

CN111649852A - Adsorption contact for stress detection

Info

Publication number: CN111649852A
Application number: CN202010458676.0A
Authority: CN
Inventors: 李向东; 涂春磊; 方文平; 李新; 方鼎
Original assignee: Hangzhou Jianwei Mechanical & Electrical Technology Co ltd; Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Current assignee: Hangzhou Jianwei Mechanical & Electrical Technology Co ltd; Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-09-11

Abstract

The invention provides an adsorption contact for stress detection, and belongs to the technical field of ultrasonic stress. It has solved current intelligent bolt and has had the problem that manufacturing cost is high, connection work is comparatively troublesome, workman working strength is high when using. The probe assembly and the connector are arranged on the main body in a hollow mode, a conductive sliding block arranged between the probe assembly and the inner wall of the main body is further arranged in the main body, an insulating sleeve is further arranged between the conductive sliding block and the probe assembly, elastic reset pieces are arranged between the conductive sliding block and the main body and between the probe assembly and the main body, the conductive sliding block and the probe assembly can reciprocate along the length direction of the main body, the probe assembly is electrically connected with the connector, and a magnet is further arranged at the bottom of the main body. The invention has the advantages of convenient operation, simple and compact structure and low manufacturing cost, and greatly reduces the working strength of workers.

Description

Adsorption contact for stress detection

Technical Field

The invention belongs to the technical field of ultrasonic stress, and particularly relates to an adsorption contact for stress detection.

Background

With the modern construction and the further deepening of international cooperation of China, a large amount of infrastructure engineering needs to be invested in construction urgently, such as water conservancy and hydropower facilities, houses, bridges and the like. In the construction process and the operation stage of the engineering structures, necessary stability and health monitoring needs to be carried out on the engineering structures in order to ensure the safety of engineering objects and guarantee the lives and properties of personnel and the surrounding environment. At present, as a connecting part used in a large amount, bolts mainly exist in the field of equipment manufacturing in a traditional mode structure and design, the tightness degree of the bolts is adjusted in a manual mode, thousands of bolts are used on the equipment, and users and maintainers cannot effectively master specific information of the bolts. The consequence of this kind of mode is that very easily because artificial installation is unreasonable to and equip and can't effectual early warning and cause the trouble of equipment under operating condition, after the trouble takes place, again can't obtain information effectively and handle and solve the problem.

Due to the reasons, intelligent bolts capable of detecting stress are generally adopted in many modern industries, then detection is carried out through the lead connecting bolts, and communication is carried out through leads or sensors in the wireless connection intelligent bolts.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an adsorption contact for stress detection, which has the advantages of compact structure, convenience in use and low cost.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an adsorb contact for stress detection, its characterized in that, includes the main part that cavity set up and installs probe assembly and joint in the main part, the main part in still be equipped with the electrically conductive slider who installs between probe assembly and main part inner wall, electrically conductive slider and probe assembly between still be provided with the insulating boot, electrically conductive slider and main part and probe assembly and main part between all be equipped with elasticity piece that resets, electrically conductive slider and probe assembly can follow main part length direction and be reciprocating motion, probe assembly and joint electricity be connected, main part bottom still be provided with magnet.

The working principle of the invention is as follows: during the use, directly install this absorption contact in intelligent bolt upper surface, adsorb through the magnet, probe assembly and conductive sliding block contact intelligent bolt's upper surface's probe encapsulation simultaneously, specifically speaking probe assembly contact, conductive sliding block contact sheath, the probe assembly is the positive pole promptly, conductive sliding block is the negative pole, and the insulating cover is insulated positive negative pole, and the wire that comes out with the joint is connected with display device can. By adopting the structure, the adsorption contact is convenient to operate, the working strength of workers is greatly reduced, and the adsorption contact is simple and compact in structure and low in manufacturing cost.

In the adsorption contact for stress detection, a chamfer is arranged at the bottom of the conductive slider and used for reducing the contact area of the bottom of the conductive slider.

In the above adsorption contact for stress detection, a probe seat for installing the probe assembly is further arranged between the insulating sleeve and the probe assembly, and the probe seat isolates the probe assembly from the insulating sleeve.

In the above adsorption contact for stress detection, the probe seat is provided with a wiring groove for wiring a wire of the probe assembly.

In the above adsorption contact for stress detection, the probe assembly includes a plunger, a sleeve, a collar and a nut, the plunger is installed in the sleeve, and the collar and the nut are installed outside the sleeve.

In the above adsorption contact for stress detection, the bottom of the plunger is provided with a tip.

In the above-mentioned one of the adsorption contactor for stress detection, the bottom of the plunger protrudes from the lower surfaces of the body and the magnet.

In the adsorption contact for stress detection, an end socket for sealing is further arranged between the joint and the main body, a mounting hole is formed in the side surface of the end socket, and a through hole corresponding to the mounting hole is also formed in the side surface of the main body.

In the adsorption contact for stress detection, a circle of steps are formed in the bottom of the main body, the steps are used for mounting the conductive sliding block, and the bottom of the conductive sliding block protrudes out relative to the lower surface of the steps.

In the above-mentioned adsorption contact for stress detection, the bottom of the main body is also provided with a circle of chamfer.

The invention has the advantages that: the invention has the advantages of convenient operation, simple and compact structure and low manufacturing cost, and greatly reduces the working strength of workers.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an isometric schematic view of the present invention;

figure 3 is a schematic view of the wiring trough of the present invention.

In the figure, 1, main body; 2. assembling the probe; 3. a joint; 4. a conductive slider; 5. an insulating sleeve; 6. an elastic reset member; 7. a magnet; 8. chamfering; 9. a probe base; 10. a wiring groove; 11. a plunger; 12. a sleeve; 13. a collar; 14. a nut; 15. a tip; 16. sealing the end; 17. and (4) a step.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the adsorption contact for stress detection includes a hollow main body 1, a probe assembly 2 and a connector 3 mounted on the main body 1, a conductive slider 4 mounted between the probe assembly 2 and the inner wall of the main body 1 is further disposed in the main body 1, an insulating sleeve 5 is further disposed between the conductive slider 4 and the probe assembly 2, elastic reset members 6 are disposed between the conductive slider 4 and the main body 1, and between the probe assembly 2 and the main body 1, the conductive slider 4 and the probe assembly 2 can reciprocate along the length direction of the main body 1, the probe assembly 2 is electrically connected to the connector 3, and a magnet 7 is further disposed at the bottom of the main body 1. The elastic reset piece 6 is a common spring on the market, and the magnet 7 is common magnetic steel on the market. The probe is packaged as a sensing element on the upper surface of the intelligent bolt, and equipment is connected mainly through a sheath arranged on the upper surface and a contact arranged at a notch in the center of the sheath.

In a further elaboration, the bottom of the conductive slider 4 is provided with a chamfer 8, and the chamfer 8 is used for reducing the contact area of the bottom of the conductive slider 4. The smaller contact area can ensure higher detection accuracy.

In a further detail, a probe seat 9 for installing the probe assembly 2 is further arranged between the insulating sleeve 5 and the probe assembly 2, and the probe seat 9 isolates the probe assembly 2 from the insulating sleeve 5. Insulating cover 5 inside is equipped with the mounting groove of insulating cover 5 of installation, and insulating cover 5 is installed in the mounting groove, and insulating cover 5 still is equipped with the aperture that is used for probe assembly 2 to pass through.

In further detail, in order to facilitate wiring, a wiring groove 10 is formed in the probe base 9, and the wiring groove 10 is used for wiring a wire of the probe assembly 2.

In further detail, the probe assembly 2 comprises a plunger 11, a sleeve 12, a collar 13 and a nut 14, wherein the plunger 11 is installed in the sleeve 12, and the collar 13 and the nut 14 are installed outside the sleeve 12. A nut 14 can secure the probe mount 9 within the insulating sleeve 5, a collar 13 for securing the sleeve 12, and a spring mounted between the plunger 11 and the sleeve 12.

In further detail, the bottom of the plunger 11 is provided with a tip 15. The tip 15 is used to abut the contacts of the probe package.

In more detail, the bottom of the plunger 11 protrudes from the lower surfaces of the body 1 and the magnet 7. The contacts of the probe package can be effectively abutted.

In more detail, a seal head 16 for sealing is further arranged between the joint 3 and the main body 1, a mounting hole is formed in the side surface of the seal head 16, and a through hole corresponding to the mounting hole is also formed in the side surface of the main body 1. The installation is convenient.

In more detail, the bottom of the main body 1 is provided with a circle of steps 17, the steps 17 are used for installing the conductive slider 4, and the bottom of the conductive slider 4 protrudes relative to the lower surface of the steps 17. This step 17 also enables the spacing and positioning of the probe package.

In more detail, the bottom of the main body 1 is also provided with a circle of chamfer 8. With the arrangement of the above structure, the probe package can be effectively inserted into the bottom of the body 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms main body 1, probe assembly 2, contact 3, conductive slider 4, insulating sleeve 5, resilient return member 6, magnet 7, chamfer 8, probe seat 9, raceway groove 10, plunger 11, sleeve 12, collar 13, nut 14, tip 15, seal 16, step 17, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The adsorption contact for stress detection is characterized by comprising a hollow main body (1), a probe assembly (2) and a connector (3), wherein the probe assembly (2) and the connector (3) are arranged on the main body (1), a conductive sliding block (4) is arranged between the probe assembly (2) and the inner wall of the main body (1), an insulating sleeve (5) is arranged between the conductive sliding block (4) and the probe assembly (2), elastic resetting pieces (6) are arranged between the conductive sliding block (4) and the main body (1) and between the probe assembly (2) and the main body (1), the conductive sliding block (4) and the probe assembly (2) can reciprocate along the length direction of the main body (1), the probe assembly (2) is electrically connected with the connector (3), and a magnet (7) is further arranged at the bottom of the main body (1); the bottom of the conductive sliding block (4) is provided with a chamfer (8), and the chamfer (8) is used for reducing the contact area of the bottom of the conductive sliding block (4); still be equipped with probe seat (9) that are used for installing probe assembly (2) between insulating cover (5) and probe assembly (2), probe seat (9) keep apart probe assembly (2) and insulating cover (5).

2. The suction contact for stress detection according to claim 1, wherein the probe base (9) is provided with a wiring groove (10) for wiring the wire of the probe assembly (2).

3. The suction contact for stress detection according to claim 1, wherein the probe assembly (2) comprises a plunger (11), a sleeve (12), a collar (13) and a nut (14), the plunger (11) is mounted in the sleeve (12), and the collar (13) and the nut (14) are mounted outside the sleeve (12).

4. A suction contact for stress detection according to claim 3, characterized in that the plunger (11) is provided with a tip (15) at its bottom.

5. A suction contact for stress detection according to claim 3, characterized in that the bottom of the plunger (11) protrudes with respect to the lower surface of the body (1) and of the magnet (7).

6. The adsorption contact for stress detection according to claim 1, wherein a sealing head (16) for sealing is arranged between the joint (3) and the main body (1), a mounting hole is formed in a side surface of the sealing head (16), and a through hole corresponding to the mounting hole is formed in a side surface of the main body (1).

7. The suction contact for stress detection according to claim 1, wherein a circle of steps (17) for mounting the conductive slider (4) is formed at the bottom of the main body (1), and the bottom of the conductive slider (4) protrudes relative to the lower surface of the step (17).

8. The suction contact for stress detection according to claim 2, characterized in that the bottom of the body (1) is provided with a chamfer (8).