CN212932323U - Live connection sample corrosion test device in real sea cross-region - Google Patents

Abstract

The utility model relates to a live connection sample corrosion test device for a real sea bay area, which comprises cross bars, channel steel, connecting lines and test pieces, wherein one ends of the cross bars which are arranged in parallel in pairs are fixedly connected on a real sea fixed steel pile, and the other ends of the cross bars are respectively and vertically and fixedly connected with the two ends of the channel steel; a plurality of insulating sleeves are arranged on the channel steel at equal intervals, a plurality of test pieces at certain intervals are sleeved on the outer surface of each insulating sleeve, and the test pieces are not in contact with the channel steel; and a part of flexible connecting wires are fixedly connected between corresponding test pieces outside the adjacent insulating sleeves. The utility model discloses the experiment precision is high, can realize the experiment of parallel distribution's multiunit test block to practice thrift space and work load, the installation flexibility ratio is high, is favorable to alleviateing the impact force of wave.

Description

Live connection sample corrosion test device in real sea cross-region

Technical Field

The utility model relates to a test device technical field especially relates to a live connection sample corrosion test device of real sea span area.

Background

The marine environment is one of the most severe natural environments in which materials corrode, and the loss caused by corrosion of materials in the marine environment accounts for about 1/3 of the total corrosion loss. Seawater is a natural electrolyte with complex components, and contains a large amount of salts, dissolved oxygen, marine organisms, putrefactive organic substances and the like. Meanwhile, the temperature, flow rate, pH value and the like of the seawater all influence the seawater corrosion. Corrosion of metallic materials in marine environments is very severe.

At present, the marine corrosion test is mainly carried out by means of a marine corrosion test station which is established near a coastline, the existing test piece fixing for the test mostly adopts a welding or riveting method, and the welding or riveting method can lead channel steel or rivets to be in direct contact with the test piece, so that certain errors exist in the tested corrosion amount.

Disclosure of Invention

In order to solve the problem that test block connected mode leads to experimental error, the utility model aims at providing a live sea is striden district and is connected sample corrosion test device with electricity, and the test block adopts detachable non-contact to be connected with channel-section steel and screw rod, can reduce the influence of channel-section steel and screw rod corrosion to the test block.

In order to achieve the above object, the present invention provides the following technical solutions:

a corrosion test device for live connection samples in a real sea bay area comprises a cross rod 1, channel steel 2, a connecting wire 4 and a plurality of test pieces 3, wherein one end of the cross rod 1 which is arranged in pairs and is parallel to each other is fixedly connected to a real sea fixed steel pile 9, and the other end of the cross rod 1 is respectively and vertically fixedly connected with two ends of the channel steel 2; a plurality of insulating sleeves 5 are arranged on the channel steel 2 at equal intervals, a plurality of test pieces 3 at certain intervals are sleeved on the outer surface of each insulating sleeve 5, and the test pieces 3 are not in contact with the channel steel 2; and a part of flexible connecting wires 4 are fixedly connected between corresponding test pieces 3 outside the adjacent insulating sleeves 5.

Each insulating sleeve 5 is connected on screw rod 6 through screw thread spiral closure respectively, screw rod 6 passes through nut 7 and channel-section steel 2 fixed connection.

Each screw 6 respectively penetrates through the insulating sleeve 5 and is in interference fit with the insulating sleeve 5 by adopting a tapping method, so that the insulating sleeve 5 is tightly attached to the test block 3.

And a certain gap is formed between the nut 7 and the channel steel 2.

And a gasket 8 is arranged at the gap between the nut 7 and the channel steel 2.

The connecting wire 4 consists of two groups of hard wires 401 and a group of soft wires 402; the two groups of hard wires 401 are respectively fixedly connected with corresponding test pieces 3 outside the adjacent insulating sleeves 5; the free ends of the two groups of hard wires 401 are respectively fixedly connected with the two ends of the flexible wire 402.

The joint of the soft wire 402 and the hard wire 401 is coated with a heat-shrinkable insulating tape.

The interface of the hard wire 401 and the test piece 3 is coated with hot melt adhesive for insulation.

The test pieces 3 sleeved on the outer end face of the insulating sleeve 5 are arranged in parallel.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses in, adopt the tapping method, through the insulating cover inflation of screw extrusion to make insulating cover closely laminate with the test block, thereby accomplish the fixed to the test block, be connected through the non-contact of test block with channel-section steel and screw rod, reduced channel-section steel and screw rod corruption to the influence of test block, thereby promoted the precision of test block experiment.

2. The utility model discloses in, the outer terminal surface cover of insulating cover is equipped with the multi-disc test block, can realize the experiment of parallel distribution's multiunit test block to space and work load have been practiced thrift.

3. The utility model discloses in, hard line + patchcord + hard line is taken to the connecting wire between the test block, welding and outside cladding pyrocondensation area are insulating with the outside between patchcord and the hard line, the test block is insulated with connecting wire kneck coating hot melt adhesive with the fixed test block of adopting of connecting wire, this method can ensure that the sample electricity is connected reliably, relatively direct bonding wire on the test block, the connecting wire easily takes out after this method test is ended, there is not any influence to the sample corruption volume, the connected mode of patchcord and hard line, the installation flexibility ratio is high, and simultaneously, be favorable to alleviateing the impact force of wave, the effect that the connecting wire is connected.

Drawings

FIG. 1 is a schematic structural view of the live connection sample corrosion test device for a real sea bay area of the present invention;

fig. 2 is a side view of a connection structure of the channel steel 2 and the test piece 3;

fig. 3 is a top view of a connection structure of the channel steel 2 and the test piece 3;

fig. 4 is a cross-sectional view of fig. 3.

Wherein the reference numerals are:

1 Cross bar 2 channel steel

3 test piece 4 connecting line

401 hard wire 402 soft wire

5 insulating sleeve 6 screw

7 nut 8 spacer

9 solid sea fixing steel pile

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a live connection sample corrosion test device in real sea span district, includes horizontal pole 1, channel-section steel 2, test block 3, connecting wire 4 and insulating cover 5, and the one end rigid coupling of two horizontal poles 1 that are parallel to each other is on real sea fixed steel pile 9, the other end respectively with the perpendicular rigid coupling in both ends of channel-section steel 2. A plurality of insulating sleeves 5 are arranged on a channel steel 2 at equal intervals, the outer surface of each insulating sleeve 5 is sleeved with a plurality of test pieces 3 at certain intervals, connecting wires 4 are fixedly connected between the corresponding test pieces 3 outside the adjacent insulating sleeves 5, a screw 6 penetrating through the insulating sleeves 5 is connected to the channel steel 2 in a screwing manner through threads, and the screw 6 is fixedly connected with the channel steel 2 through a nut 7. in the device, the screw 6 and the insulating sleeves 5 are in interference fit, namely a tapping method is adopted, the insulating sleeves 5 are extruded by the screw 6 to expand, so that the insulating sleeves 5 are tightly attached to the test pieces 3, the test pieces 3 are fixed, the test pieces 3 are separated from the channel steel 2 and the screw 6 through the insulating sleeves 5, the test pieces 3 are connected with the channel steel 2 and the screw 6 in a non-contact manner, the test precision of the test piece 3 is improved, and in the device, the outer end surface of the insulating sleeves 5 is, three test pieces 3 can be selected for the plurality of test pieces 3, so that the test of three groups of test pieces 3 which are distributed in parallel can be realized, and the space and the workload are saved.

Specifically, as shown in fig. 2, the connection line 4 is composed of two groups of hard wires 401 and a group of flexible wires 402, the two groups of hard wires 401 are respectively and fixedly connected with the corresponding test pieces 3 outside the adjacent insulation sleeves 5, the free ends of the two groups of hard wires 401 are respectively and fixedly connected with the two ends of the flexible wire 402, the connection line 4 between the test pieces 3 adopts the hard wires 401+ the flexible wires 402+ the hard wires 401, the flexible wires 402 and the hard wires 401 are welded and externally coated with a heat shrinkage band and an external insulation strip, the test pieces 3 and the connection line 4 are fixed by coating hot melt adhesive at the interface of the test pieces 3 and the connection line 4, the method can ensure reliable electric connection of the test pieces, compared with the prior art in which the welding line is directly connected on the test pieces 3, the connection line 4 is easy to take out after the test is finished, no influence is caused on the corrosion amount of the test.

Specifically, as shown in fig. 3 and 4, a gap is formed between the nut 7 and the channel steel 2, a gasket 8 is arranged at the gap between the nut 7 and the channel steel 2, and the fastening effect is improved due to the arrangement of the gasket 8.

The working principle is as follows: when the device is used, the screw 6 is used for extruding the insulating sleeve 5 to expand so as to enable the insulating sleeve 5 to be tightly attached to the test piece 3, thereby fixing the test piece 3, at the moment, the screw 6 and the channel steel 2 are fixed through the screw cap 7, the precision of the test piece 3 is improved through the non-contact connection of the test piece 3, the channel steel 2 and the screw 6, in addition, the outer end surface of the insulating sleeve 5 is sleeved with a plurality of test pieces 3, the test of three groups of test pieces 3 which are distributed in parallel can be realized through selecting three test pieces 3, the space and the workload are saved, the test piece 3 and the connecting wire 4 are fixed by coating hot melt adhesive at the interface of the test piece 3 and the connecting wire 4, the method can ensure that the test piece is electrically connected reliably, compared with the prior art that the welding wire is directly connected on the test piece 3, the connecting wire 4 is easy to take, and the connection mode of the soft wire 402 and the hard wire 401 has high installation flexibility, and is favorable for reducing the impact force of sea waves.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides a live connection sample corrosion test device of real sea bay, includes horizontal pole (1), channel-section steel (2), connecting wire (4) and a plurality of test block (3), its characterized in that: one ends of cross rods (1) which are arranged in pairs and are parallel to each other are fixedly connected to the solid sea fixed steel pile (9), and the other ends of the cross rods are respectively and vertically fixedly connected with two ends of the channel steel (2); a plurality of insulating sleeves (5) are arranged on the channel steel (2) at equal intervals, a plurality of test pieces (3) with certain intervals are sleeved on the outer surface of each insulating sleeve (5), and the test pieces (3) are not in contact with the channel steel (2); and a part of flexible connecting wires (4) are fixedly connected between corresponding test pieces (3) outside the adjacent insulating sleeves (5).

2. The real sea bay area electrified connection sample corrosion test device of claim 1, wherein: each insulating sleeve (5) is connected to the screw rod (6) through threads in a screwing mode respectively, and the screw rod (6) is fixedly connected with the channel steel (2) through the screw cap (7).

3. The real sea bay area electrified connection sample corrosion test device of claim 2, wherein: each screw rod (6) respectively penetrates through the insulating sleeve (5) and is in interference fit with the insulating sleeve (5) by adopting a tapping method, so that the insulating sleeve (5) is tightly attached to the test piece (3).

4. The real sea bay area electrified connection sample corrosion test device of claim 2, wherein: and a certain gap is formed between the screw cap (7) and the channel steel (2).

5. The real sea bay area electrified connection sample corrosion test device of claim 4, wherein: and a gasket (8) is arranged at the gap between the nut (7) and the channel steel (2).

6. The real sea bay area electrified connection sample corrosion test device of claim 1, wherein: the connecting wire (4) consists of two groups of hard wires (401) and a group of soft wires (402); the two groups of hard wires (401) are respectively and fixedly connected with corresponding test pieces (3) outside the adjacent insulating sleeves (5); the free ends of the two groups of hard wires (401) are respectively fixedly connected with the two ends of the flexible wire (402).

7. The real sea bay area electrified connection sample corrosion test device of claim 6, wherein: the joint of the soft wire (402) and the hard wire (401) is coated with a heat-shrinkable insulating tape.

8. The real sea bay area electrified connection sample corrosion test device of claim 6, wherein: and the interface of the hard wire (401) and the test piece (3) is coated with hot melt adhesive for insulation.

9. The real sea bay area electrified connection sample corrosion test device of claim 1, wherein: the test pieces (3) sleeved on the outer end face of the insulating sleeve (5) are arranged in parallel.

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