CN205620280U - Atmospheric corrosion exposure test frame - Google Patents

Abstract

The utility model discloses an atmospheric corrosion exposure test frame, which relates to the technical field of corrosion resistance and is used to prevent the frame from falling off from the installation part of a building under extreme weather conditions. The atmospheric corrosion exposure test is erected on the installation part of the building, including a base. The installation part of the base is provided with a fixing frame for fixing the metal test piece, and the fixing frame fixes the metal test piece. The included angle is a test angle, and the test angle is an acute angle; a fastener is detachably connected to the base, and the fastener and the base form a clamping sleeve that is clamped to the installation part of the building. The atmospheric corrosion exposure test frame provided by the utility model is used for long-term on-site monitoring of buildings resistant to atmospheric corrosion.

Description

An Atmospheric Corrosion Exposure Test Rack

technical field

The utility model relates to the technical field of corrosion resistance, in particular to an atmospheric corrosion exposure test frame.

Background technique

Metal material is a material with good plasticity and mechanical strength, which is widely used in various buildings; and when people design engineering, they generally choose metal materials with better atmospheric corrosion resistance to be used in building materials to Improve the environmental adaptability of metal materials, thereby increasing the service life of buildings. Therefore, construction units pay great attention to the performance index of atmospheric corrosion resistance of metal materials.

In order to study the atmospheric corrosion resistance of metal materials in buildings, people usually fix the atmospheric corrosion exposure test frame on the cement floor in the atmospheric corrosion test station, and set the metal test piece on the atmospheric corrosion exposure test frame, and manage it by a special person. , to monitor the atmospheric corrosion resistance of metal materials, but the monitoring conditions of this monitoring method are relatively stable, and it can only monitor the atmospheric corrosion resistance of building metal materials with relatively stable environment and single atmospheric corrosion ability; Buildings for long-term on-site monitoring of atmospheric corrosion resistance, such as transmission line towers, need to set up the atmospheric corrosion exposure test on the transmission line towers to conduct the atmospheric corrosion exposure test of metal test pieces, but the existing atmospheric corrosion exposure test stand The structure of the frame is complex, the volume is huge, and it is extremely inconvenient to move. It is not convenient to carry out the on-site test on the transmission line pole several meters above the ground; moreover, during the long-term on-site test of the atmospheric corrosion resistance of the metal test piece, encounter When encountering a variety of meteorological conditions, such as typhoons, heavy rains and other similar extreme weather conditions, due to the large volume of the atmospheric corrosion exposure test frame, it is easy to fall off from the transmission line tower, resulting in test failure.

Utility model content

The purpose of the utility model is to provide an atmospheric corrosion exposure test frame to prevent the atmospheric corrosion exposure test frame from falling off from the installation part of the building under extreme weather conditions.

In order to achieve the above object, the utility model provides the following technical solutions:

An atmospheric corrosion exposure test frame, comprising a base, the mounting part of the base is provided with a fixing frame for fixing a metal test piece, the fixing frame fixes the metal test piece, and the angle formed between the surface of the metal test piece and the horizontal plane is the test Angle, the test angle is an acute angle; where,

Fasteners are detachably connected to the base, and the fasteners and the base form a clamping sleeve that is clamped with the installation part of the building.

Preferably, the test angle is 30°-45°.

Preferably, the installation part of the building is an angle steel, the base includes a first metal sheet and a second metal sheet, the first metal sheet is the installation part of the base, and the fixing frame is set on the first metal sheet the surface of the first metal sheet, one side of the first metal sheet is connected to one side of the second metal sheet, the fastener passes through the first metal sheet and the second metal sheet, the fastener, the first metal sheet A metal sheet and the second metal sheet surround the clamping sleeve;

The side of the first metal sheet located in the clamping sleeve is in clamping contact with one side of the angle steel, and the side of the second metal sheet located in the clamping sleeve is in clamping contact with the other side of the angle steel .

Preferably, one side of the first metal sheet is hinged to one side of the second metal sheet, or one side of the first metal sheet is fixedly connected to one side of the second metal sheet.

Preferably, the included angle formed by the first metal sheet and the second metal sheet is the same as the included angle formed by the two sides of the angle steel.

Preferably, a first through hole is opened on the first metal sheet, a second through hole corresponding to the first through hole is opened on the second metal sheet, and the fastener passes through the first through hole and the second through hole. Two through holes.

Further, there are multiple fasteners, and the number of the first through holes and the second through holes is the same as the number of the fasteners.

Preferably, the fixing frame includes a first slanting beam and a second slanting beam arranged in parallel, one end of the first slanting beam and one end of the second slanting beam are respectively arranged on the mounting part of the base; The surface of the first inclined beam opposite to the second inclined beam is provided with a first groove-shaped installation part, and the surface of the second inclined beam opposite to the first inclined beam is provided with a second groove-shaped installation part. One end of the metal test piece is embedded in the first groove-shaped installation part, and the other end is embedded in the second groove-shaped installation part.

Preferably, a first insulating sleeve matching the first groove-shaped installation part is provided inside the first groove-shaped installation part, and a first insulating sleeve matching the second groove-shaped installation part is provided inside the second groove-shaped installation part. The second insulating sleeve matching the installation part, the metal test piece is embedded in the first groove-shaped installation part at one end and is located in the first insulation sleeve, and the metal test piece is embedded in the second groove-shaped installation part at one end and is located in the second Insulation sleeve.

Preferably, when there are multiple metal test pieces fixed by the fixing frame, there is a device between the first slanting beam and the second slanting beam that can move between the first groove-shaped mounting part and the second groove-shaped mounting part. A plurality of insulating retaining walls, a plurality of insulating retaining walls are arranged at intervals, a metal test piece installation part is between adjacent insulating retaining walls, and one end of each insulating retaining wall extends into the first groove-shaped installation part , and the other end extends into the second groove-shaped installation part.

Compared with the prior art, the beneficial effects of the atmospheric corrosion exposure test rack provided by the utility model are:

The atmospheric corrosion exposure test provided by the utility model is erected on the installation part of the building, and the base in the atmospheric corrosion exposure test frame is detachably connected with a fastener that forms a clamping sleeve with the base, and the installation part of the building can be clamped. Tightly in the clamping sleeve; therefore, when the atmospheric corrosion exposure test needs to be erected on the installation part of the building, the fastener and the base can be disassembled first, and then the base is placed on the installation part of the building, and then the tight The fasteners are connected to the base, so that the fasteners and the base enclose the closed structure, that is, the clamping sleeve, so that the installation part of the building can be clamped in the clamping sleeve, ensuring that the atmospheric corrosion exposure test frame will not be in the building. The installation part of the object slides, and it will not fall off the installation part of the building under extreme weather conditions.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model . In the attached picture:

Fig. 1 is the front view of the first atmospheric corrosion exposure test frame provided by the utility model embodiment;

Fig. 2 is the side view of the first kind of atmospheric corrosion exposure test frame provided by the utility model embodiment;

Fig. 3 is the front view of the second atmospheric corrosion exposure test frame provided by the utility model embodiment;

Reference signs:

1-base, 11-the first metal sheet;

110-the first through hole, 12-the second metal sheet;

2-fixed frame, 21-the first inclined beam;

22-the second inclined beam, 3-insulation retaining wall.

detailed description

In order to further illustrate the atmospheric corrosion exposure test rack provided by the embodiment of the present invention, a detailed description will be given below in conjunction with the accompanying drawings.

Please refer to Fig. 1, the atmospheric corrosion exposure test stand that the utility model embodiment provides comprises: base 1, and the mounting part of base 1 is provided with the fixed frame 2 that is used for fixing metal test piece, and fixed frame 2 fixes metal test piece, and metal test piece The included angle between the surface of the base and the horizontal plane is the test angle, and the test angle is an acute angle; the base 1 is detachably connected with a fastener that forms a clamping sleeve with the base 1, and the installation part of the building is clamped in the clamping sleeve.

The atmospheric corrosion exposure test rack provided in this embodiment can be used in various outdoor buildings requiring long-term on-site monitoring, such as transmission line towers, but not limited thereto.

During installation, the fastener is disassembled from the base 1, then the base 1 is placed on the installation part of the building, and then the fastener is connected to the base 1, so that the installation part of the building can be clamped between the base 1 and the installation part of the building. In the clamping sleeve surrounded by fasteners, the atmospheric corrosion exposure test rack can be installed to the installation part of the building.

It can be seen from the installation process of the atmospheric corrosion exposure test frame provided by the above-mentioned embodiments that the atmospheric corrosion exposure test frame is erected on the installation part of the building, and the base in the atmospheric corrosion exposure test frame is detachably connected with a clamping sleeve surrounded by the base 1 fasteners, and the installation part of the building can be clamped in the clamping sleeve; therefore, when the atmospheric corrosion exposure test needs to be erected on the installation part of the building, the fasteners can be disassembled from the base 1 first, Put the base 1 on the installation part of the building, and then connect the fastener with the base 1, so that the fastener and the base 1 enclose the closed structure, that is, the clamping sleeve, so that the installation part of the building can be clamped In the clamping sleeve, it is ensured that the atmospheric corrosion exposure test frame will not slide on the installation part of the building, and will not fall off from the installation part of the building under extreme weather conditions.

It is worth noting that the test angle in the above embodiments refers to the angle between the surface of the metal test piece and the horizontal plane. The size of the test angle can be selected according to the actual situation. Generally speaking, the test angle ranges from 30° to 45°. It can also be other achievable ranges, generally choose 30° or 45° as the test angle. In addition, the horizontal plane here refers to the surface of the building; and, when the installation surface of the building is parallel to the surface of the building, the test angle of the above embodiment is the angle indicated by α in Fig. 2, so , compared with the traditional atmospheric corrosion exposure test rack, this embodiment can also limit the α angle shown in Figure 2 to meet the requirements of the test angle, so that the atmospheric corrosion exposure test rack can meet the angle required by the test angle, as long as Installing it to the installation part of the building can automatically meet the requirements of the test for the test angle.

It should be noted that the fasteners in the above embodiments may be rod-shaped fasteners such as bolts and screws, and the connection mode between the base 1 and the fixing frame 2 may be a fixed connection or a hinged connection.

When the connection mode between the base 1 and the fixed frame 2 is a fixed connection, it is usually fixedly connected together by welding. This fixed connection method is easy to operate and easy to realize; The connection between the 2 is relatively firm, which reduces the risk of separation of the base 1 and the fixing frame 2 under extreme weather conditions.

When the connection mode between the base 1 and the fixed frame 2 is hinged connection, since the connection between the base 1 and the fixed frame 2 is not firm, it is very easy to separate under extreme weather conditions. Therefore, the fixed frame 2 and the base 1 are also connected by a telescopic device Connection, such as a hydraulic mechanism, the hydraulic cylinder of the hydraulic mechanism is fixed on the installation part of the base, and the piston rod is connected to the fixed frame 2, so that the hydraulic mechanism can provide good support for the fixed frame 2, and because the base 1 and the fixed frame 2 are hinged connection, so that the position of the fixed frame 2 can be adjusted. Therefore, the atmospheric corrosion exposure test frame provided by the above-mentioned embodiment can control the expansion and contraction of the piston rod of the hydraulic mechanism, and adjust the angle between the fixed frame and the horizontal plane to achieve the adjustment of the metal test piece. The purpose of the included angle between the surface and the horizontal plane; in other words, the angle of the test angle can be adjusted by controlling the expansion and contraction of the piston rod of the hydraulic mechanism to meet the requirements of different test conditions.

In addition, the hydraulic mechanism in the above embodiments can also be replaced with various existing locking mechanisms to lock the relative position between the fixing frame 2 and the base 1 to achieve the purpose of controlling the test angle.

In the above embodiments, the structure of the base 1 is various, as long as the base 1 can form a clamping sleeve with the fastener, and clamp the installation part of the building therein. Moreover, in the above embodiment, the profile of the clamping sleeve is best matched with the profile of the installation part of the building, so that the installation part of the building can be closely contacted with the contour surface of the clamping sleeve, thereby making the installation part of the building more firm. Stuck in the clamping sleeve.

For example: please refer to Fig. 2, the installation part of building is an angle iron, and base 1 now comprises the first sheet metal 11 and the second sheet metal 12, and the first sheet metal 11 is the installation part of base, and fixed frame 2 is located at the place Describe the surface of the first metal sheet 11, one side of the first metal sheet 11 is connected to one side of the second metal sheet 12, the fastener passes through the first metal sheet 11 and the second metal sheet 12, the fastener, the first metal sheet The sheet 11 and the second metal sheet 12 form a clamping sleeve;

The first metal sheet 11 is located on one side of the clamping sleeve and is in clamping contact with one side of the angle steel, the second metal sheet 12 is located on one side of the clamping sleeve and is in clamping contact with the other side of the angle steel, and the fastener clamps the angle steel In the clamping sleeve, therefore, when the atmospheric corrosion exposure test frame needs to be fixed on the angle iron, it is only necessary to fasten the angle iron to the clamp formed by the first metal piece 11, the second metal piece 12 and the metal piece through the fastener. The structure is relatively simple, which greatly reduces the weight and volume of the atmospheric corrosion exposure test frame, and is convenient for transportation and installation.

It is worth noting that since the first metal sheet 11 is located on one side of the clamping sleeve and is in clamping contact with one side of the angle steel, and the second metal sheet 12 is located on one side of the clamping sleeve and is in clamping contact with the other side of the angle steel, therefore The angle formed by the first metal sheet 11 and the second metal sheet 12 is the same as the angle formed by the two sides of the angle steel.

Moreover, the connection between the first metal sheet 11 and the second metal sheet 12 in the above embodiments may be a fixed connection or a hinged connection.

When the first metal sheet 11 and the second metal sheet 12 are fixedly connected, so that the first metal sheet 11, the second metal sheet 12 and the fasteners form a clamping sleeve, the angle iron can be clamped more firmly In the clamping sleeve, the problem of weak connection between the first metal piece 11 and the second metal piece 12, which causes the clamping effect of the clamping sleeve to weaken or disappear, is avoided.

However, when the first metal sheet 11 and the second metal sheet 12 are fixedly connected, the included angle between the first metal sheet 11 and the second metal sheet 12 is determined and cannot be changed, so it can only be adapted to a specific angle. Therefore, when the first metal sheet 11 and the second metal sheet 12 are hingedly connected, the angle between the first metal sheet 11 and the second metal sheet 12 can be adjusted, and the atmospheric corrosion provided by the above-mentioned embodiment The exposure test rack can be adapted to different angles of angle steel.

It should be noted that, referring to FIG. 1 , in the above embodiment, the first metal sheet 11 is provided with a first through hole 110 , and the second metal sheet 12 is provided with a second through hole corresponding to the first through hole 110 . The fastener passes through the first through hole 110 and the second through hole, so as to achieve the purpose of making the first metal sheet 11, the second metal sheet 12 and the fastener surround a clamping sleeve; and in order to improve the first metal sheet 11, The clamping capacity of the clamping sleeve surrounded by the second metal sheet 12 and the fastener can set the number of fasteners to multiple, and the first through hole 110 and the second through hole through which the corresponding fastener passes The number is also the same as the number of fasteners. Moreover, a connecting piece with a through hole is provided on the second metal sheet 12, and the second metal sheet 12 is fixed to the angle iron by screws, which can further improve the fixing strength of the base and the angle iron.

The structure of the fixing frame 2 in the above-mentioned embodiments is also various, and the structure of the fixing frame 2 will be illustrated below with reference to the accompanying drawings, but not limited to the structures listed below.

The fixing frame 2 in the above-mentioned embodiment comprises a first slanting beam 21 and a second slanting beam 22 arranged in parallel, one end of the first slanting beam 21 and one end of the second slanting beam 22 are respectively arranged on the mounting portion of the base 1; The opposite surface of the inclined beam 21 and the second inclined beam 22 is provided with a first groove-shaped installation part, and the opposite surface of the second inclined beam 22 and the first inclined beam 21 is provided with a second groove-shaped installation part, and one end of the metal test piece is embedded In the first groove-shaped installation part, the other end is embedded in the second groove-shaped installation part. Since the fixed frame 2 can be constituted by the first inclined beam 21 and the second inclined beam 22, the fixed frame 2 is simple in structure, and the first inclined beam 21 and the second inclined beam are both rod-shaped, therefore, the embodiment provided The structure of the atmospheric corrosion exposure test rack has been greatly simplified, making the atmospheric corrosion exposure test rack smaller in size and lighter in weight, which is convenient for transportation and installation. In addition, a first groove-shaped installation part is provided on the surface opposite to the first slope beam 21 and the second slope beam 22, and a second groove-shaped installation part is provided on the surface of the second slope beam 22 opposite to the first slope beam 21, so that When the metal test piece is fixed on the fixed frame 2, it can be directly inserted into the first groove-shaped mounting part and the second groove-shaped mounting part without the assistance of other fixing parts. When the metal test piece is removed from the fixed frame , directly extract the metal test piece from the first groove-shaped mounting part and the second groove-shaped mounting part. It can be seen that by providing the first groove-shaped mounting part The surface of the second inclined beam 22 opposite to the first inclined beam 21 is provided with a second groove-shaped installation part, which can facilitate the installation and removal of the metal test piece.

Moreover, the fixed frame 2 in the above-mentioned embodiment is used to fix the metal test piece and needs sufficient strength. Therefore, the fixed frame 2 is generally made of metal material, so that when one end of the metal test piece is embedded in the first groove-like installation When the other end is embedded in the second groove-shaped installation part, if the metal test piece is in contact with the first inclined beam 21 and the second inclined beam 22 in the fixed frame 2 for a long time, the metal test piece will be electrochemically corroded; The influence of chemical corrosion on the metal test piece, the first groove-shaped installation part is provided with the first insulating sleeve matching the first groove-shaped installation part, and the second groove-shaped installation part is provided with the second groove-shaped installation part. For the matching second insulating sleeve, one end of the metal test piece embedded in the first groove-shaped installation part is located in the first insulation sleeve, and one end of the metal test piece embedded in the second groove-shaped installation part is located in the second insulating sleeve. Since the first insulating sleeve is set in the first groove-shaped installation part, the second insulation sleeve is arranged in the second groove-shaped installation part, and one end of the metal test piece embedded in the first groove-shaped installation part is located in the first insulation sleeve, One end of the metal test piece embedded in the second groove-shaped mounting part is located in the second insulating sleeve, so that the contact between the first inclined beam and the metal test piece can be isolated through the first insulating sleeve and the second insulating sleeve, and the second The contact between the inclined beam and the metal test piece, so as to avoid the electrochemical corrosion of the metal test piece.

In addition, please refer to Fig. 3, since the included angle between the surface of the metal test piece and the horizontal plane is an acute angle, and one end of each metal test piece is embedded in the first groove-shaped installation part, and the other end is embedded in the second groove-shaped installation part, In this way, two adjacent metal test pieces are easily contacted due to the effect of gravity, thereby electrochemical corrosion occurs. There are a plurality of insulating retaining walls 3 that can move between the first groove-shaped installation part and the second groove-shaped installation part. The plurality of insulating retaining walls 3 are arranged at intervals, and there is a metal test wall between adjacent insulating retaining walls 3. One end of each insulating retaining wall 3 extends into the first groove-shaped installation portion, and the other end extends into the second groove-shaped installation portion. Since there is a metal test piece installation part between adjacent insulating retaining walls 3, two adjacent metal test pieces are blocked by an insulating retaining wall 3 to prevent the electrochemical reaction of the metal test pieces caused by the contact of two adjacent metal test pieces. corrosion. Moreover, since there is a metal test piece installation part between the adjacent insulating retaining walls 3, the insulating retaining wall 3 can also play a certain role in the metal test piece when preventing two adjacent metal test pieces from being electrochemically corroded like this. Support function to prevent the metal test piece from moving due to gravity. Moreover, since the insulating retaining wall 3 can move at the first groove-shaped mounting portion and the second groove-shaped mounting portion, the size of the metal test piece mounting portion between adjacent insulating retaining walls can be adjusted to use different sizes Metal test piece.

In addition, the part of the insulation retaining wall 3 in the above-mentioned embodiment that is in contact with the metal test piece is provided with a retaining wall groove, so that the metal test piece can be embedded in the retaining wall groove of the insulation retaining wall 3. The stability on the frame 2 also strengthens the supporting effect of the movable insulating retaining wall on the metal sheet on the other hand.

In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in an appropriate manner.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (10)

1. a kind of atmospheric corrosion exposure test frame, it is characterized in that, comprises base, and the mounting part of described base is provided with the fixed frame that is used to fix metal test piece, and described fixed frame fixes metal test piece, and the surface of metal test piece and horizontal plane The included angle is a test angle, and the test angle is an acute angle; wherein, Fasteners are detachably connected to the base, and the fasteners and the base form a clamping sleeve that is clamped with the installation part of the building. 2 . The atmospheric corrosion exposure test rack according to claim 1 , wherein the test angle is 30° to 45°. 3. Atmospheric corrosion exposure test frame according to claim 1, is characterized in that, the installation part of described building is angle steel, and described base comprises first sheet metal and second sheet metal, and described first sheet metal is The mounting part of the base, the fixing frame is set on the surface of the first metal sheet, one side of the first metal sheet is connected to one side of the second metal sheet, and the fastener passes through the first metal sheet sheet and a second metal sheet, the fastener, the first metal sheet and the second metal sheet enclose the clamping sleeve; The side of the first metal sheet located in the clamping sleeve is in clamping contact with one side of the angle steel, and the side of the second metal sheet located in the clamping sleeve is in clamping contact with the other side of the angle steel . 4. The atmospheric corrosion exposure test rack according to claim 3, wherein one side of the first metal sheet is hinged to one side of the second metal sheet, or one side of the first metal sheet is connected to the second metal sheet One side of the second metal sheet is fixedly connected. 5 . The atmospheric corrosion exposure test rack according to claim 3 , wherein the angle formed by the first metal sheet and the second metal sheet is the same as the angle formed by the two sides of the angle steel. 6. The atmospheric corrosion exposure test rack according to claim 3, wherein the first metal sheet is provided with a first through hole, and the second metal sheet is provided with a second through hole corresponding to the first through hole. The fastener passes through the first through hole and the second through hole. 7. The atmospheric corrosion exposure test rack according to claim 6, characterized in that there are multiple fasteners, and the number of the first through hole and the second through hole is the same as the number of the fasteners . 8. The atmospheric corrosion exposure test frame according to any one of claims 1 to 7, characterized in that, the fixed frame includes a first slanted beam and a second slanted beam arranged in parallel, and the first slanted beam One end and one end of the second slanting beam are respectively arranged on the mounting part of the base; The surface of the beam opposite to the first inclined beam is provided with a second groove-shaped installation part, one end of the metal test piece is embedded in the first groove-shaped installation part, and the other end is embedded in the second groove-shaped installation part. 9. The atmospheric corrosion exposure test rack according to claim 8, characterized in that, a first insulating sleeve matching the first groove-shaped installation part is provided inside the first groove-shaped installation part, and the first groove-shaped installation part The second groove-shaped mounting part is provided with a second insulating sleeve matching the second groove-shaped mounting part, and one end of the metal test piece embedded in the first groove-shaped mounting part is located in the first insulating sleeve. One end of the test piece embedded in the second groove-shaped installation part is located in the second insulating sleeve. 10. Atmospheric corrosion exposure test rack according to claim 8, characterized in that, when there are multiple metal test pieces fixed by the fixing frame, there is a set between the first inclined beam and the second inclined beam A plurality of insulation retaining walls that move between the first groove-shaped installation part and the second groove-shaped installation part, the plurality of insulation retaining walls are arranged at intervals, and there is a metal test piece installation part between adjacent insulation retaining walls, each of the One end of the insulating retaining wall extends into the first groove-shaped installation part, and the other end extends into the second groove-shaped installation part.