ER corrosion rate test probe

Abstract

The utility model belongs to the field of test probes, and particularly relates to an ER corrosion rate test probe which comprises a shell, the shell comprises an outer shell, the top of the outer shell is fixedly connected with a test piece, the back side of the outer shell is fixedly connected with a test line, and the back side of the outer shell is provided with a protection mechanism; according to the utility model, the protection mechanism is arranged, a first protection sleeve and a second protection sleeve are held to move towards the inner side, the first protection sleeve and the second protection sleeve are sleeved on the surface of the shell, then the first protection sleeve and the second protection sleeve are held to rotate, and a fixing plate is inserted into a fixing groove; and finally, the protective pad is placed in the first protective sleeve and the second protective sleeve, so that the connection part of the shell and the test line can be protected, and the problem that the normal use of the test line is influenced due to surface damage of the test line caused by contact friction between the bent test line and the shell in the use process of the test probe is solved.

Description

Technical Field

[0001] The utility model relates to the field of test probes, in particular to an ER corrosion rate test probe. Background Art

[0002] Test probes, also known as sensors or transducers, are devices used to measure, detect, and sense various physical quantities or signals. They play a crucial role in different fields and applications and are key tools for engineers and scientists to conduct various tests, measurements, and research.

[0003] Pipes for transporting liquids are usually buried underground. During use, the surface of the pipe is prone to corrosion when in contact with air. To ensure the normal use of the pipe, an ER corrosion rate test probe is needed to control the corrosion situation of the pipe.

[0004] The prior art discloses a corrosion rate test probe (authorized publication number CN218331154U). This patented technology detects the corrosion rate of the pipe by setting a test piece made of the same material as the pipe, and completes the detection of the corrosion rate without affecting the operation of the pipe, with strong practicability.

[0005] However, the existing test probes lack a protection mechanism at the connection between the test wire and the housing. During the use of the test probe, the surface of the test wire is prone to bending. When the test wire is bent, its surface will come into contact with the surface of the housing. After long-term contact and friction, it is easy to cause damage to the surface of the test wire, thus affecting the normal use of the test wire. Content of the Utility Model

[0006] To make up for the deficiencies of the prior art, the test probe lacks a protection mechanism at the connection between the test wire and the housing. During the use of the test probe, the surface of the test wire is prone to bending. When the test wire is bent, its surface will come into contact with the surface of the housing. After long-term contact and friction, it is easy to cause damage to the surface of the test wire, thus affecting the problem of the test wire. The utility model proposes an ER corrosion rate test probe.

[0007] The technical solution adopted by the utility model to solve its technical problems is: an ER corrosion rate test probe, including a housing, the housing includes an outer shell, a test piece is fixedly connected to the top of the outer shell, a test wire is fixedly connected to the back side of the outer shell, and a protection mechanism is installed on the back side of the outer shell;

[0008] The protection mechanism includes a first protective sleeve, a connecting ring, and a second protective sleeve. The inner cavities of the first protective sleeve and the second protective sleeve are respectively movably connected to the surface of the outer shell. The inner cavity of the connecting ring is fixedly connected to the surface of the outer shell. The inner sides of the first protective sleeve and the second protective sleeve are closely attached. The inner cavities of the first protective sleeve and the second protective sleeve are respectively movably connected to the surface of the test wire. The materials of the first protective sleeve and the second protective sleeve are silicone.

[0009] Preferably, a fixing groove is provided in the inner cavity of the connecting ring, and a fixing plate is threadedly connected in the inner cavity of the fixing groove. The back sides of the fixing plates are respectively fixedly connected to the front sides of the first protective sleeve and the second protective sleeve.

[0010] Preferably, positioning grooves are provided at both the top and bottom of the inner cavity of the second protective sleeve, and positioning plates are inserted and connected in the inner cavities of the positioning grooves. The left sides of the positioning plates are fixedly connected to the right side of the first protective sleeve.

[0011] Preferably, protective pads are installed in the inner cavities of the first protective sleeve and the second protective sleeve. The inner cavities of the protective pads are closely attached to the surface of the test wire. The materials of the protective pads are rubber.

[0012] Preferably, fixing mechanisms are installed on the surfaces of the first protective sleeve, the connecting ring, and the second protective sleeve. The fixing mechanisms include a first fixing ring and a second fixing ring. The inner cavities of the first fixing ring and the second fixing ring are respectively movably connected to the surfaces of the first protective sleeve, the connecting ring, and the second protective sleeve. The surfaces of the first fixing ring and the second fixing ring are closely attached.

[0013] Preferably, bolts are threadedly connected to both sides of the inner cavity of the first fixing ring, and the surfaces of the bolts are threadedly connected to the inner cavity of the second fixing ring.

[0014] Preferably, nuts are threadedly connected to the surfaces of the bolts, and the tops of the nuts are closely attached to the bottom of the second fixing ring.

[0015] The advantages of the present utility model are as follows:

[0016] By setting the protection mechanism, the present utility model can protect the connection between the outer shell and the test wire. By holding the first protective sleeve and the second protective sleeve and moving them inward, the first protective sleeve and the second protective sleeve are sleeved on the surface of the outer shell. Then, by holding the first protective sleeve and the second protective sleeve and rotating them, the fixing plate is inserted into the inner part of the fixing groove. Finally, the protective pad is placed inside the first protective sleeve and the second protective sleeve, which solves the problem that during the use of the test probe, the test wire is damaged due to bending and contacting and rubbing against the shell, affecting the normal use of the test wire. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 is a schematic structural diagram of the present invention;

[0019] Figure 2 is a schematic structural diagram of the first fixing ring and the second fixing ring of the present invention;

[0020] Figure 3 is a schematic structural diagram of the outer shell of the present invention;

[0021] Figure 4 is a schematic structural diagram of the fixing ring of the present invention;

[0022] Figure 5 is a schematic structural diagram of the first protective sleeve and the second protective sleeve of the present invention.

[0023] In the figure: 1, housing; 101, outer shell; 102, test piece; 103, test line; 2, protection mechanism; 201, first protective sleeve; 202, connecting ring; 203, second protective sleeve; 204, protective pad; 205, fixing groove; 206, fixing plate; 207, positioning groove; 208, positioning plate; 3, fixing mechanism; 301, first fixing ring; 302, second fixing ring; 303, nut; 304, bolt. Detailed implementation manners

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0025] The following combines the attached Figures 1-5 to further elaborate on this application.

[0026] This application embodiment discloses an ER corrosion rate test probe. Referring to Figure 1 and Figure 3 , an ER corrosion rate test probe includes a housing 1. The housing 1 includes an outer shell 101. A test piece 102 is fixedly connected to the top of the outer shell 101. A test line 103 is fixedly connected to the back side of the outer shell 101. A protection mechanism 2 is installed on the back side of the outer shell 101;

[0027] The protection mechanism 2 includes a first protective sleeve 201, a connecting ring 202 and a second protective sleeve 203. The inner cavities of the first protective sleeve 201 and the second protective sleeve 203 are respectively movably connected to the surface of the outer shell 101. The inner cavity of the connecting ring 202 is fixedly connected to the surface of the outer shell 101. The inner sides of the first protective sleeve 201 and the second protective sleeve 203 are closely attached. The inner cavities of the first protective sleeve 201 and the second protective sleeve 203 are respectively movably connected to the surface of the test wire 103. The materials of the first protective sleeve 201 and the second protective sleeve 203 are silicone.

[0028] Refer to Figure 4 , a fixing groove 205 is provided in the inner cavity of the connecting ring 202. A fixing plate 206 is threadedly connected to the inner cavity of the fixing groove 205. The back sides of the fixing plate 206 are respectively fixedly connected to the front sides of the first protective sleeve 201 and the second protective sleeve 203. Through the setting of the fixing groove 205, the fixing plate 206 can be inserted into the inside of the connecting ring 202, so that the positions of the first protective sleeve 201 and the second protective sleeve 203 can be positioned, and they can be stably attached to the surface of the connecting ring 202.

[0029] Refer to Figure 5 , positioning grooves 207 are provided at both the top and the bottom of the inner cavity of the second protective sleeve 203. A positioning plate 208 is inserted into the inner cavity of the positioning groove 207. The left side of the positioning plate 208 is fixedly connected to the right side of the first protective sleeve 201. Through the setting of the positioning groove 207, the positioning plate 208 can be inserted into the inside of the second protective sleeve 203, so as to fix the positions between the first protective sleeve 201 and the second protective sleeve 203, and the first protective sleeve 201 and the second protective sleeve 203 can be temporarily combined into a whole.

[0030] Refer to Figure 3 , protective pads 204 are installed in the inner cavities of the first protective sleeve 201 and the second protective sleeve 203. The inner cavity of the protective pad 204 is closely attached to the surface of the test wire 103. The material of the protective pad 204 is rubber. Through the setting of the protective pad 204, the protection performance of the test wire 103 can be improved, and further prevent the test wire 103 from being bent and damaged when stressed.

[0031] Refer to Figure 1 and Figure 2, fixing mechanisms 3 are installed on the surfaces of the first protective sleeve 201, the connecting ring 202, and the second protective sleeve 203. The fixing mechanism 3 includes a first fixing ring 301 and a second fixing ring 302. The inner cavities of the first fixing ring 301 and the second fixing ring 302 are movably connected to the surfaces of the first protective sleeve 201, the connecting ring 202, and the second protective sleeve 203 respectively. The surfaces of the first fixing ring 301 and the second fixing ring 302 are closely attached. Through the arrangement of the first fixing ring 301 and the second fixing ring 302, the positions of the first protective sleeve 201 and the second protective sleeve 203 are fixed, so that they can stably adhere to the surface of the outer shell 101 to protect the test line 103.

[0032] Refer to Figure 2 , bolts 304 are threadedly connected to both sides of the inner cavity of the first fixing ring 301, and the surface of the bolts 304 is threadedly connected to the inner cavity of the second fixing ring 302. Through the arrangement of the bolts 304, a positioning function is achieved between the first fixing ring 301 and the second fixing ring 302, preventing the first fixing ring 301 and the second fixing ring 302 from detaching from the surfaces of the first protective sleeve 201 and the second protective sleeve 203.

[0033] Refer to Figure 2 , nuts 303 are threadedly connected to the surfaces of the bolts 304, and the tops of the nuts 303 are closely attached to the bottoms of the second fixing rings 302. Through the arrangement of the nuts 303, the positions of the bolts 304 are fixed, so that when they are attached to the bottoms of the second fixing rings 302, the first fixing ring 301 and the second fixing ring 302 can be stably fixed on the surfaces of the first protective sleeve 201, the connecting ring 202, and the second protective sleeve 203.

[0034] Working principle: First, move inward by holding the first protective sleeve 201 and the second protective sleeve 203, and sleeve the first protective sleeve 201 and the second protective sleeve 203 on the surface of the outer shell 101. When the first protective sleeve 201 and the second protective sleeve 203 are located on the surface of the outer shell 101, the inner sides of the first protective sleeve 201 and the second protective sleeve 203 will be in close contact. At the same time, the movement of the first protective sleeve 201 will drive the positioning plate 208 to move until the surface of the positioning plate 208 is inserted into the positioning groove 207, then the first protective sleeve 201 and the second protective sleeve 203 can be temporarily combined into a whole. After that, hold the first protective sleeve 201 and the second protective sleeve 203 and rotate them. During the rotation of the first protective sleeve 201 and the second protective sleeve 203, the fixing plate 206 will be driven to rotate. During the rotation of the fixing plate 206, it will gradually enter the fixing groove 205 until finally the fixing plate 206 is completely inserted into the fixing groove 205, then the first protective sleeve 201 and the second protective sleeve 203 can be stably attached to the surface of the connecting ring 202. Then install the protective pad 204 into the first protective sleeve 201 and the second protective sleeve 203 to improve the protection performance of the test line 103, thereby further preventing the test line 103 from being bent and damaged. Finally, cover the first fixing ring 301 and the second fixing ring 302 on the surface of the first protective sleeve 201, the connecting ring 202 and the second protective sleeve 203. When the inner sides of the first fixing ring 301 and the second fixing ring 302 are in close contact, rotate by holding the bolt 304, insert the bolt 304 into the inner cavities of the first fixing ring 301 and the second fixing ring 302 to position the positions of the first fixing ring 301 and the second fixing ring 302 and prevent the first fixing ring 301 and the second fixing ring 302 from detaching from the surface of the first protective sleeve 201, the connecting ring 202 and the second protective sleeve 203. After the bolt 304 is inserted, sleeve the nut 303 on the surface of the bolt 304 until the top of the nut 303 is in close contact with the bottom of the second fixing ring 302, then the first fixing ring 301 and the second fixing ring 302 can be stably fixed on the surface of the first protective sleeve 201, the connecting ring 202 and the second protective sleeve 203.

[0035] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. An ER corrosion rate test probe, characterized in that: The housing (1) comprises a casing (101), wherein the casing (1) comprises a housing (101), a test piece (102) is fixedly connected to the top of the housing (101), a test line (103) is fixedly connected to the back side of the housing (101), and a protective mechanism (2) is installed on the back side of the housing (101); The protective mechanism (2) comprises a first protective sleeve (201), a connecting ring (202) and a second protective sleeve (203); the inner cavities of the first protective sleeve (201) and the second protective sleeve (203) are respectively movably connected to the surface of the outer shell (101); the inner cavity of the connecting ring (202) is fixedly connected to the surface of the outer shell (101); the inner sides of the first protective sleeve (201) and the second protective sleeve (203) are tightly fitted; the inner cavities of the first protective sleeve (201) and the second protective sleeve (203) are respectively movably connected to the surface of the test line (103); and the material of the first protective sleeve (201) and the second protective sleeve (203) is silicone.

2. The ER corrosion rate test probe according to claim 1, characterized in that: The inner cavity of the connecting ring (202) is provided with a fixing groove (205), the inner cavity of the fixing groove (205) is threadedly connected with a fixing plate (206), and the back side of the fixing plate (206) is fixedly connected to the front side of the first protective sleeve (201) and the second protective sleeve (203), respectively.

3. The ER corrosion rate test probe according to claim 1, characterized in that: The top and bottom of the inner cavity of the second protective sleeve (203) are both provided with positioning grooves (207), and the inner cavity of the positioning groove (207) is plugged with a positioning plate (208), and the left side of the positioning plate (208) is fixedly connected to the right side of the first protective sleeve (201).

4. The ER corrosion rate test probe according to claim 1, characterized in that: The inner cavities of the first protective sleeve (201) and the second protective sleeve (203) are both provided with protective pads (204); the inner cavities of the protective pads (204) are tightly fitted to the surface of the test line (103); and the material of the protective pads (204) is rubber.

5. The ER corrosion rate test probe according to claim 1, characterized in that: The surfaces of the first protective sleeve (201), the connecting ring (202) and the second protective sleeve (203) are all installed with a fixing mechanism (3), and the fixing mechanism (3) comprises a first fixing ring (301) and a second fixing ring (302), and the inner cavities of the first fixing ring (301) and the second fixing ring (302) are movably connected to the surfaces of the first protective sleeve (201), the connecting ring (202) and the second protective sleeve (203), respectively, and the surfaces of the first fixing ring (301) and the second fixing ring (302) are tightly fitted.

6. The ER corrosion rate test probe according to claim 5, characterized in that: Bolts (304) are threadedly connected to both sides of the inner cavity of the first fixing ring (301), and the surfaces of the bolts (304) are threadedly connected to the inner cavity of the second fixing ring (302).

7. The ER corrosion rate test probe according to claim 6, characterized in that: The surface of the bolt (304) is threadedly connected with a nut (303), and the top of the nut (303) is tightly fitted with the bottom of the second fixing ring (302).

Images