CN114877843B - Assembled steel construction building fire prevention coating thickness detects instrument - Google Patents
Assembled steel construction building fire prevention coating thickness detects instrument Download PDFInfo
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- CN114877843B CN114877843B CN202210411751.7A CN202210411751A CN114877843B CN 114877843 B CN114877843 B CN 114877843B CN 202210411751 A CN202210411751 A CN 202210411751A CN 114877843 B CN114877843 B CN 114877843B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 238000000576 coating method Methods 0.000 title claims abstract description 27
- 239000011248 coating agent Substances 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims description 6
- 230000002265 prevention Effects 0.000 title claims description 5
- 238000001514 detection method Methods 0.000 claims abstract description 65
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000003973 paint Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 239000011247 coating layer Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 101100134058 Caenorhabditis elegans nth-1 gene Proteins 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a tool for detecting the thickness of a fireproof coating of an assembled steel structure building, and relates to the technical field of building material detection; in order to solve the problems of large equipment structure and limited application range; the device comprises a main body plate arranged on the inner wall of a protective box, wherein extension plates are arranged on the outer walls of the two sides of the main body plate, a limit seat is connected to the outer wall of one side of the extension plate through an adjusting part, and a thickness detection mechanism is arranged on the outer wall of one side of the limit seat; the inner wall of the limit seat is provided with a guide column, two ends of the guide column are respectively fixed with a telescopic frame through a connecting part, and the outer wall of the top of the telescopic frame is provided with a drawing mechanism; the connecting part comprises a connecting hole and a connecting block, the connecting hole is arranged at one end of the guide post, and the outer wall of one side of the connecting block is fixedly connected with the other end of the guide post; one of the telescopic frames is provided with a fixing hole matched with the connecting block on one side outer wall. The invention has the advantages of simple and quick assembly, easy disassembly, light and convenient equipment structure and moving operation position.
Description
Technical Field
The invention relates to the technical field of building material detection, in particular to a tool for detecting the thickness of a fireproof coating of an assembled steel structure building.
Background
In building construction, in order to ensure the fireproof safety of an assembled steel structure building, the use of fireproof coating is one of the necessary procedures for improving the fireproof limit of a component, but in order to avoid the materials and adulterants of a constructor from being stolen, the fireproof coating of the assembled steel component cannot meet the specified fireproof requirement, so that the thickness of the fireproof coating needs to be detected in advance. The thickness detection of the existing steel structure fireproof paint generally depends on a thickness gauge, a normal measurement mode is to measure a plurality of random sampling points of a member to be detected by manually holding the probe, after a detector holds the probe for a long time, the detection efficiency is easy to be lowered, the probe and the member to be detected are also easy to be scratched to the probe due to too close distance, and therefore the service life of the thickness gauge is reduced, and the measurement accuracy is lowered.
Through retrieving, chinese patent application number is CN 202020158418.6's patent discloses an assembled steel construction building fire prevention coating thickness detection instrument, including first locating rack and second locating rack, first locating rack includes U type frame and base, the top of base is equipped with electric putter, electric putter's top is equipped with the connecting seat, the connecting seat is equipped with the recess, be equipped with the electric screw that the level set up in the recess, rather than complex connecting block has been seted up to electric screw's outer wall, the top of connecting block is equipped with the support, the top of support is equipped with the probe. The tool for detecting the thickness of the fireproof paint of the assembled steel structure building in the patent has the following defects: the device is limited by the length and the size of the steel structure, so that the whole device is large, the device is not easy to carry, the measuring distance of the tool cannot be flexibly adjusted according to the actual condition of the steel structure, and the application range is small.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a thickness detection tool for an assembled steel structure building fireproof coating.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides an assembled steel construction building fire prevention coating thickness detection instrument, includes the main part board that sets up in the protective housing inner wall, the both sides outer wall of main part board all is provided with the extension board, and the one side outer wall of extension board is connected with spacing seat through adjusting part, and the one side outer wall of spacing seat is provided with thickness detection mechanism; the inner wall of the limit seat is provided with a guide column, two ends of the guide column are respectively fixed with a telescopic frame through a connecting part, and the outer wall of the top of the telescopic frame is provided with a drawing mechanism; the connecting part comprises a connecting hole and a connecting block, the connecting hole is arranged at one end of the guide post, and the outer wall of one side of the connecting block is fixedly connected with the other end of the guide post; one side outer wall of one telescopic frame is provided with a fixing hole matched with the connecting block, and the other side outer wall of the other telescopic frame is fixedly connected with a fixing block matched with the connecting hole; the telescopic rack is characterized in that positioning pins are arranged on two sides of the telescopic rack, and a position leveling structure is arranged on the outer wall of one side of the telescopic rack.
Preferably: the position leveling structure comprises an L-shaped plate, an eccentric wheel and an adjusting pivot, wherein the outer wall of one side of the L-shaped plate is fixedly connected to the outer wall of one side of the telescopic frame; one end of the eccentric wheel is rotatably connected to the outer wall of one side of the L-shaped plate; one end of the adjusting hinge is rotatably connected to the outer wall of one side of the L-shaped plate, and one end of the adjusting hinge is connected with one end of the eccentric wheel through a concentric shaft.
Preferably: an adjusting groove is formed in the outer wall of one side of the L-shaped plate, and the inner wall of the adjusting groove is connected with a limiting plate in a sliding mode through a sliding block; the two side outer walls of the main body plate are fixedly connected with angle devices, and one end of each angle device is rotatably connected with a horizontal needle through a rotating shaft.
Preferably: the adjusting part comprises an adjusting column and a fixing column, the bottom end of the adjusting column and the bottom end of the fixing column are respectively connected to the outer wall of the top of the limiting seat in a rotating mode, the outer wall of the adjusting column is arranged on the inner wall of the extension plate, and the fixing column and the extension plate form sliding fit; the outer wall of one side of the extension plate is provided with a graduated scale.
Preferably: the drawing mechanism comprises a coil box and a motor, wherein the outer wall of the bottom of the coil box is fixedly connected to the outer wall of the top of the telescopic frame, and the inner wall of the coil box is rotationally connected with a coil roller; the bottom outer wall of the motor is fixedly connected to the top outer wall of the telescopic frame, and the output end of the motor is connected with one end of the wire roller through a coupler; the top outer wall fixedly connected with haulage rope of main part board, the one end of haulage rope sets up in the circumference outer wall of wire roller.
Preferably: the thickness detection mechanism comprises an elastic piece, a flat plate, a connecting box, a distance measuring sensor and a telescopic column, wherein one end of the telescopic column is fixedly connected to the outer wall of one side of the limiting seat; one end of the elastic piece is fixedly connected to the outer wall of one side of the limit seat; the outer wall of one side of the flat plate is fixedly connected to one end of the elastic piece, and the flat plate is in sliding fit with the telescopic column; the outer wall of one side of the connecting box is fixedly connected with one end of the telescopic column, the outer wall of the top of the connecting box is fixedly connected with a supporting rod, and the inner wall of one side of the connecting box is rotationally connected with a rubber wheel through a rotating shaft; the outer wall of one side of the ranging sensor is rotationally connected to the outer wall of one side of the supporting rod through a rotating shaft.
Preferably: the outer wall of one side of the flat plate is fixedly connected with a pressure sensor; the top outer wall fixedly connected with display screen of main part board.
Preferably: the top of the connecting box is provided with a marking part, and the marking part consists of a charging barrel fixed on the outer wall of the top of the connecting box and a spraying head arranged on the outer wall of one side of the charging barrel.
Preferably: the outer wall of one side of the connecting box is connected with a brush body through a fixing plate.
Preferably: the inner wall of the protective box is provided with a clamping layer; the top outer wall of the protective box is provided with a box cover; a hook is fixedly connected to the outer wall of one side of the protective box; the top outer wall of the main body plate is rotatably connected with a handle.
The beneficial effects of the invention are as follows:
1. According to the invention, the assembled guide post group is inserted into and passes through the limiting seat, then the connecting block on one end of the guide post group is inserted into the fixing hole on the telescopic frame, and the fixing block on the other telescopic frame is inserted into the connecting hole on the other end of the guide post group, so that the two telescopic frames are assembled in relative positions through the guide post group, and form a stable connection relationship with the main body plate, the assembly is simple and quick, the disassembly is easy, and the equipment structure is light and convenient to carry and move the operation position.
2. According to the invention, the guide column group which is consistent with the size of the steel structure coating layer to be detected is selected according to the size of the steel structure coating layer to be detected, and the connecting block on the nth guide column is inserted into the connecting hole on the n-1 th guide column, so that the connection and fixation of two or more guide columns are completed, and the flexibility of adjusting the detection range is wider.
3. According to the width of the steel structure to be measured, the two extension plates are pulled out from the main body plate by the reference graduated scale, and the extension plates drive the telescopic frames fixed through the limiting seat to automatically adjust the extension degree along with the extension plates, so that the central horizontal line of the main body plate is kept parallel to the central line of the steel structure, and the thickness adjusting detection mechanism is properly contacted with the two side surfaces of the steel structure, thereby being convenient for detecting the coatings on the steel structures with different width sizes.
4. According to the invention, the detection tool is horizontally arranged on a measuring surface of a detection steel structure, the four corners offset degree of the detection tool is observed through the horizontal needle and the angle device, if one side is inclined or concave, the adjustment pivot at the side position is manually rotated slowly, the bottom surface of the eccentric wheel is always contacted with a plane when the eccentric wheel rotates, so that the detection tool is supported to rise in inclined or concave state when the eccentric wheel rotates under the action of a unique structure of the eccentric wheel, the change of the horizontal needle is required to be visually detected when the eccentric wheel rotates until the angle device at the two ends of the horizontal needle points to the horizontal line, then the horizontal needle stops, and the limit plate slides in the adjustment groove, so that the limit plate wraps the outer wall of the adjustment pivot for fixing the position of the eccentric wheel, thereby preventing the eccentric wheel from rotating and ensuring the detection accuracy when the detection tool is used.
5. The invention transmits the detection change signal of the detection element group to the display screen for display through the control module, thereby facilitating the workers to check the overall uniformity and different positions of the coating on the measurement surface, and simultaneously facilitating the automatic marking of the uneven positions of the coating layer by using the spraying head, and facilitating the workers to find and smooth; the traction ropes on the two telescopic frames are alternately pulled through the traction mechanism, so that the front-back horizontal movement of the main body plate on the guide post group through the limiting seat is flexibly controlled, the manpower is saved, the detection work is carried out, and the detection efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a tool for detecting the thickness of a fireproof coating of an assembled steel structure building;
Fig. 2 is a schematic top view of a use state of a tool for detecting thickness of a fireproof paint for an assembled steel structure building according to the present invention;
FIG. 3 is a schematic view showing the bottom view of the use state of the tool for detecting the thickness of the fireproof paint of the fabricated steel structure building;
FIG. 4 is a schematic diagram of a connection box of a tool for detecting the thickness of a fireproof coating of an assembled steel structure building;
FIG. 5 is a schematic diagram of an explosion structure of an L-shaped plate and an eccentric wheel of the tool for detecting the thickness of the fireproof paint of the assembled steel structure building;
FIG. 6 is a schematic diagram of the explosion structure of the telescopic frame and the guide post of the tool for detecting the thickness of the fireproof paint of the assembled steel structure building;
fig. 7 is a schematic circuit flow diagram of a tool for detecting the thickness of a fireproof coating of an assembled steel structure building.
In the figure: 1 protective case, 2 main body plates, 3 extension plates, 4 hooks, 5 clamping layers, 6 wire coil boxes, 7 display screens, 8 case covers, 9 handles, 10L-shaped plates, 11 motors, 12 eccentric wheels, 13 traction ropes, 14 angle devices, 15 telescopic brackets, 16 fixing columns, 17 adjusting columns, 18 limiting seats, 19 guide columns, 20 positioning pins, 21 elastic pieces, 22 flat plates, 23 connecting boxes, 24 brush bodies, 25 rubber wheels, 26 graduated scales, 27 ranging sensors, 28 spraying heads, 29 charging drums, 30 telescopic columns, 31 pressure sensors, 32 adjusting hinges, 33 limiting plates, 34 adjusting grooves, 35 fixing holes and 36 connecting blocks.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Example 1:
1-3 and 6, the tool comprises a main body plate 2 arranged on the inner wall of a protective box 1, wherein extension plates 3 are inserted into the outer walls of two sides of the main body plate 2, one side outer wall of the extension plate 3 is connected with a limit seat 18 through an adjusting part, and one side outer wall of the limit seat 18 is provided with a thickness detection mechanism; the inner wall of the limit seat 18 is inserted with guide posts 19, a plurality of guide posts 19 with different length and size and same diameter can be manufactured in advance, flexible lengthening or shortening can be realized according to the actual condition of the detected steel structure, the two ends of the guide posts 19 are respectively fixed with telescopic frames 15 through connecting parts, and the outer wall of the top of each telescopic frame 15 is provided with a drawing mechanism; the connecting part comprises a connecting hole and a connecting block 36, the connecting hole is formed in one end of the guide post 19, and the outer wall of one side of the connecting block 36 is welded to the other end of the guide post 19; two fixing holes 35 matched with the connecting blocks 36 are formed in the outer wall of one side, close to the two ends, of one telescopic frame 15, and two fixing blocks matched with the connecting holes are welded on the outer wall of the other side, close to the two ends, of the other telescopic frame 15; the two sides of the telescopic frames 15 are respectively connected with a positioning pin 20 through threads, and two position leveling structures are arranged on the outer wall of one side of each telescopic frame 15. Before the detection work, according to the size of the range of the coating layer of the steel structure to be detected, a guide post 19 group which is consistent with the size of the coating layer of the steel structure is selected, a connecting block 36 on the nth guide post 19 is inserted into a connecting hole on the nth-1 guide post 19, so that the connection and fixation of two or more guide posts 19 are completed, the flexibility of adjusting the detection range is wider, then the assembled guide post 19 group is inserted into and penetrates through a limit seat 18, a connecting block 36 on one end of the assembled guide post 19 group is inserted into a fixing hole on the telescopic frame 15, and a fixing block on the other telescopic frame 15 is inserted into a connecting hole on the other end of the guide post 19 group, so that the assembly of the two telescopic frames 15 in relative positions is completed through the guide post 19 group, and a stable connecting relation is formed with the main body plate 2.
To facilitate detection of coatings on steel structures of different width dimensions; as shown in fig. 1-5 and fig. 7, the adjusting part comprises an adjusting column 17 and two fixing columns 16, the bottom ends of the adjusting column 17 and the bottom ends of the two fixing columns 16 are respectively connected to the top outer wall of the limiting seat 18 in a rotating manner, the outer wall of the adjusting column 17 is connected to the inner wall of the extension plate 3 through threads, and the two fixing columns 16 are respectively in sliding fit with the extension plate 3; the outer walls of one side of the two extension plates 3 are adhered with graduated scales 26; the position leveling structure comprises an L-shaped plate 10, an eccentric wheel 12 and an adjusting pivot 32, wherein the outer wall of one side of the L-shaped plate 10 is fixed on the outer wall of one side of the expansion bracket 15 through bolts; one end of the eccentric wheel 12 is rotatably connected to the outer wall of one side of the L-shaped plate 10; one end of the adjusting pivot 32 is rotatably connected to the outer wall of one side of the L-shaped plate 10, and one end of the adjusting pivot 32 is connected with one end of the eccentric wheel 12 through a concentric shaft; an adjusting groove 34 is formed in the outer wall of one side of the L-shaped plate 10, and a limiting plate 33 made of an anti-skid material is connected to the inner wall of the adjusting groove 34 in a sliding manner through a sliding block; the two side outer walls of the main body plate 2 are fixed with angle devices 14 through bolts, and one end of each angle device 14 is rotatably connected with a horizontal needle through a rotating shaft. Before use, firstly, according to the measured width of the steel structure, the two extension plates 3 are pulled out from the main body plate 2 by the reference graduated scale 26, the extension plates 3 drive the telescopic frames 15 fixed by the limiting base 18 to automatically adjust the extension degree, so that the central horizontal line of the main body plate 2 is kept parallel to the central line of the steel structure, and the thickness detection mechanism is adjusted to be in proper contact with the two side surfaces of the steel structure, thereby being convenient for detecting the coatings on the steel structures with different width sizes. After the detection length and width of the detection tool are adjusted, the detection tool is horizontally placed on a measurement surface of a detection steel structure, the four corners offset of the detection tool is observed through a horizontal needle and an angle gauge 14, if skew/dishing occurs on one side, the adjustment pivot 32 positioned at the side position is manually and slowly rotated, the bottom surface of the eccentric wheel 12 is always in contact with a plane when rotating, so that under the action of a unique structure of the eccentric wheel 12, the detection tool can be propped up to rise in skew/dishing mode when rotating, the change of the horizontal needle is needed to be visually detected when the eccentric wheel 12 rotates, until the direction of the two ends of the horizontal needle points to the angle gauge 14 to be horizontal, then the angle gauge 14 is stopped after being horizontally detected, the angle gauge is slid in an adjustment groove 34, so that the angle gauge is wrapped on the outer wall of the adjustment pivot 32, the angle gauge is used for fixing the position of the eccentric wheel 12, the angle gauge is prevented from rotating, the detection accuracy when the detection tool is ensured, and finally, the detection tool is fixed on two ends of the steel structure to be measured or the outer structure surfaces of two ends of the steel structure to be measured by using a positioning pin 20 on the expansion bracket at two ends of the detection tool.
To detect the thickness of the layer of fire-resistant coating; as shown in fig. 2-4 and fig. 7, the thickness detection mechanism comprises two elastic members 21, a flat plate 22, a connection box 23, a distance measuring sensor 27 and two telescopic columns 30, wherein one ends of the two telescopic columns 30 are welded on the outer wall of one side of the limit seat 18; one ends of the two elastic pieces 21 are welded on the outer wall of one side of the limiting seat 18, and the two telescopic columns 30 are respectively positioned in the wrapping range of the two elastic pieces 21; the outer wall of one side of the flat plate 22 is welded to one ends of the two elastic pieces 21, and the flat plate 22 and the two telescopic columns 30 form sliding fit; the outer wall of one side of the connecting box 23 is welded to one ends of two telescopic columns 30, a supporting rod is fixed on the outer wall of the top of the connecting box 23 through a bolt, and a rubber wheel 25 is rotatably connected to the inner wall of one side of the connecting box 23 through a rotating shaft, so that the paint layer is prevented from being damaged; the outer wall of one side of the ranging sensor 27 is rotatably connected to the outer wall of one side of the supporting rod through a rotating shaft, the model of the ranging sensor 27 is KHF3-CJ-1B, and the signal output end of the ranging sensor 27 is electrically connected with the control module; the outer wall of one side of the flat plate 22 is fixedly provided with a pressure sensor 31 through a bolt, the model of the pressure sensor 31 is JYB-KB-CW2000, and the signal output end of the pressure sensor 31 is electrically connected with the control module; the display screen 7 is fixed on the top outer wall of the main body plate 2 through bolts, and the signal input end of the display screen 7 is electrically connected with the control module; the outer wall of one side of the connecting box 23 close to the two ends is connected with two brush bodies 24 through a fixed plate; the top of the connecting box 23 is provided with a marking part, the marking part consists of a charging barrel 29 fixed on the outer wall of the top of the connecting box 23 and a spraying head 28 arranged on the outer wall of one side of the charging barrel 29, and the switch control end of the spraying head 28 is electrically connected with the control module. The extension degree of the extension plate 3 is adjusted, so that the rubber wheel 25 can roll on the steel structure measuring surface, when the device is used, the main body plate 2 and the upper structure thereof are driven by the pulling mechanism to move back and forth, so that the rubber wheel 25 rolls on two measuring surfaces or one measuring surface of the steel structure, the flat plate 22 is propped against the connecting box 23 by the elastic piece 21, the pressure sensor 31 detects the pressure change of the rubber wheel 25 during the moving process of the measuring surface in real time, the distance measuring sensor 27 detects the displacement change of the rubber wheel 25 on the measuring surface in real time, when the pressure is lower than or higher than a set threshold value, a signal is transmitted to the control module, the control module controls the motor 11 to start again after being closed for a moment, the spray head 28 is controlled to be opened during the closing period, the uneven position of the coating layer is marked, the worker can conveniently find the leveling, the detection change signals of the pressure sensor 31 and the distance measuring sensor 27 are transmitted to the display screen 7 through the control module, and the worker can conveniently check the coating uniformity and the abnormal position of the measuring surface. During the passive displacement of the detection tool, the brush body 24 automatically cleans the measurement surface so as to avoid the stroke failure of the rubber wheel 25 caused by impurities adhered on the measurement surface, thereby affecting the accuracy of measurement work.
For manipulating the horizontal displacement of the body plate 2; as shown in fig. 1,2 and 7, the pulling mechanism comprises a coil box 6 and a motor 11, wherein the bottom outer wall of the coil box 6 is fixed on the top outer wall of a telescopic frame 15 through bolts, and the inner wall of the coil box 6 is rotationally connected with a wire roller; the outer wall of the bottom of the motor 11 is fixed on the outer wall of the top of the telescopic frame 15 through bolts, the output end of the motor 11 is connected with one end of a wire roller through a coupler, and the switch control end of the motor 11 is electrically connected with a control module; two traction ropes 13 are welded on the outer walls of the tops of the main body plate 2, which are close to the two sides, and one ends of the two traction ropes 13 are respectively wound on the outer walls of the circumferences of the two wire rollers. The motor 11 is started to drive the wire roller to rotate, so that the traction ropes 13 are wound and unwound, the traction ropes 13 on the two telescopic frames 15 are alternately pulled, the front-back horizontal movement of the main body plate 2 on the guide post 19 set through the limiting seat 18 is flexibly controlled, the manpower is saved, the detection work is carried out, and the detection efficiency is improved.
Before the use of the embodiment, firstly, according to the range of the coating layer of the steel structure to be detected, selecting a guide post 19 group which is in accordance with the size of the coating layer, inserting a connecting block 36 on an nth guide post 19 into a connecting hole on an nth-1 guide post 19, thereby completing the connection and fixation of two or more guide posts 19, then inserting the assembled guide post 19 group into and penetrating through a limit seat 18, inserting a connecting block 36 on one end of the assembled guide post 19 group into a fixing hole on a telescopic frame 15, inserting a fixing block on the other telescopic frame 15 into a connecting hole on the other end of the guide post 19 group, and thus completing the assembly of the two telescopic frames 15 in relative positions through the guide post 19 group and forming a stable connection relation with a main body plate 2; then according to the measured width of the steel structure, the reference graduated scale 26 pulls out two extension plates 3 from the main body plate 2, and the extension plates 3 drive the telescopic frame 15 fixed by the limiting seat 18 to automatically adjust the extension degree, so that the horizontal line of the center of the main body plate 2 is parallel to the central line of the steel structure, and the rubber wheel 25 can roll on the measuring surface of the steel structure.
After the detection length and width of the detection tool are adjusted, the detection tool is horizontally placed on a measurement surface of a detection steel structure, the four corners offset of the detection tool is observed through a horizontal needle and an angle gauge 14, if one side is inclined or concave, the adjustment pivot 32 positioned at the side is manually rotated slowly, the bottom surface of the eccentric wheel 12 is always in contact with a plane when rotating, so that the detection tool is supported to rise under the action of a unique structure of the eccentric wheel 12 when rotating, the change of the horizontal needle is required to be visually detected when the eccentric wheel 12 rotates until the two ends of the horizontal needle point to the angle gauge 14 to be horizontal, then the angle gauge 14 stops after being in a horizontal line, a limiting plate 33 slides in an adjustment groove 34, so that the outer wall of the adjustment pivot 32 is wrapped for fixing the position of the eccentric wheel 12, the rotation of the eccentric wheel is prevented, and finally, the detection tool is fixed on two ends of the steel structure to be measured or the outer structural surfaces of two ends of the steel structure to be measured by using positioning pins 20 on the telescopic frames 15 at two ends of the detection tool.
When the device is used, the motor 11 is started to drive the wire roller to rotate, so that the traction rope 13 is wound and unwound, the traction ropes 13 on the two telescopic frames 15 are used for alternately pulling, the main body plate 2 is flexibly controlled to move horizontally back and forth on the guide post 19 group through the limiting seat 18, the rubber wheel 25 rolls on two measuring surfaces or one measuring surface of the steel structure, the brush body 24 automatically cleans the measuring surface to avoid stroke faults of the rubber wheel 25 caused by impurities adhered on the measuring surface, the flat plate 22 is propped against the connecting box 23 under the propping of the elastic piece 21, the pressure sensor 31 detects pressure changes during the movement of the rubber wheel 25 on the measuring surface in real time, the distance measuring sensor 27 detects displacement changes of the rubber wheel 25 on the measuring surface in real time, when the pressure is lower than or higher than a set threshold value, a signal is transmitted to the control module, the control module is started again after the motor 11 is controlled to be closed, the spray head 28 is controlled to be opened during the closing period, the uneven positions of a coating layer are marked, and detection change signals of the pressure sensor 31 and the distance measuring sensor 27 are transmitted to the display screen 7 through the control module, so that the display of the coating uniformity and the position uniformity of the whole coating is convenient to display.
Example 2:
A thickness detection tool for fire-retardant coating of assembled steel structure building, as shown in figure 1, in order to protect the detection tool when not in use; the present example was modified on the basis of example 1 as follows: the inner wall of the protective box 1 is adhered with a clamping layer 5; the top outer wall of the protective box 1 is hinged with a box cover 8; the outer wall of one side of the protective box 1 is fixed with a hook 4 through a bolt; the top outer wall of the main body plate 2 is rotatably connected with a handle 9. The case lid 8 is opened, hold the handle 9 and mention whole detection instrument, and place it in the protective housing 1, accomodate convenient, clamping layer 5 closely laminates around the detection instrument, in order to increase its fastness when laying, the closed case lid 8 makes protective housing 1 be closed state, prevent to expose direct contact detection instrument such as outer liquid and dust for a long time, utilize couple 4 to fix protective housing 1 in the position of not occupying can at last, simple structure improves the protection quality to detection instrument.
When not using, this embodiment opens case lid 8, holds handle 9 and mentions whole detection instrument to place it in protective housing 1, accomodate conveniently, grip block 5 closely laminates around the detection instrument, in order to increase the fastness when it lays, and closed case lid 8 makes protective housing 1 be closed condition, prevents to expose direct contact detection instrument such as outer liquid and dust for a long time, utilize couple 4 to fix protective housing 1 in the position of not occupying can, simple structure improves the protection quality to detection instrument at last.
The detection is based on the coating thickness range specified in the reference GB 14007-2002 fire-retardant coating Performance test for Steel construction.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides an assembled steel construction building fire prevention coating thickness detection instrument, includes main body board (2) that sets up in the inner wall of protective housing (1), its characterized in that, the both sides outer wall of main body board (2) all is provided with extension board (3), and the one side outer wall of extension board (3) is connected with spacing seat (18) through adjusting part, and the one side outer wall of spacing seat (18) is provided with thickness detection mechanism; the inner wall of the limit seat (18) is provided with a guide column (19), two ends of the guide column (19) are respectively fixed with a telescopic frame (15) through a connecting part, and the outer wall of the top of the telescopic frame (15) is provided with a drawing mechanism; the connecting part comprises a connecting hole and a connecting block (36), the connecting hole is arranged at one end of the guide column (19), and the outer wall of one side of the connecting block (36) is fixedly connected with the other end of the guide column (19); one side outer wall of one telescopic frame (15) is provided with a fixing hole (35) matched with the connecting block (36), and one side outer wall of the other telescopic frame (15) is fixedly connected with a fixing block matched with the connecting hole; positioning pins (20) are arranged on two sides of the telescopic frame (15), and a position leveling structure is arranged on the outer wall of one side of the telescopic frame (15); the position leveling structure comprises an L-shaped plate (10), an eccentric wheel (12) and an adjusting pivot (32), wherein the outer wall of one side of the L-shaped plate (10) is fixedly connected to the outer wall of one side of a telescopic frame (15); one end of the eccentric wheel (12) is rotatably connected to the outer wall of one side of the L-shaped plate (10); one end of the adjusting pivot (32) is rotatably connected to the outer wall of one side of the L-shaped plate (10), and one end of the adjusting pivot (32) is connected with one end of the eccentric wheel (12) through a concentric shaft; an adjusting groove (34) is formed in the outer wall of one side of the L-shaped plate (10), and a limiting plate (33) is connected to the inner wall of the adjusting groove (34) in a sliding mode through a sliding block; the two outer walls of the main body plate (2) are fixedly connected with angle devices (14), and one end of each angle device (14) is rotatably connected with a horizontal needle through a rotating shaft; the adjusting part comprises an adjusting column (17) and a fixing column (16), the bottom end of the adjusting column (17) and the bottom end of the fixing column (16) are respectively connected to the top outer wall of the limiting seat (18) in a rotating mode, the outer wall of the adjusting column (17) is arranged on the inner wall of the extension plate (3), and the fixing column (16) and the extension plate (3) form sliding fit; a graduated scale (26) is arranged on the outer wall of one side of the extension plate (3); the drawing mechanism comprises a coil box (6) and a motor (11), wherein the outer wall of the bottom of the coil box (6) is fixedly connected to the outer wall of the top of the telescopic frame (15), and the inner wall of the coil box (6) is rotationally connected with a coil roller; the bottom outer wall of the motor (11) is fixedly connected to the top outer wall of the telescopic frame (15), and the output end of the motor (11) is connected with one end of the wire roller through a coupler; the top outer wall of the main body plate (2) is fixedly connected with a traction rope (13), and one end of the traction rope (13) is arranged on the circumferential outer wall of the wire roller; the thickness detection mechanism comprises an elastic piece (21), a flat plate (22), a connecting box (23), a distance measuring sensor (27) and a telescopic column (30), wherein one end of the telescopic column (30) is fixedly connected to the outer wall of one side of the limit seat (18); one end of the elastic piece (21) is fixedly connected to the outer wall of one side of the limit seat (18); the outer wall of one side of the flat plate (22) is fixedly connected to one end of the elastic piece (21), and the flat plate (22) and the telescopic column (30) form sliding fit; one side outer wall of the connecting box (23) is fixedly connected to one end of the telescopic column (30), a supporting rod is fixedly connected to the top outer wall of the connecting box (23), and one side inner wall of the connecting box (23) is rotatably connected with a rubber wheel (25) through a rotating shaft; the outer wall of one side of the distance measuring sensor (27) is rotationally connected to the outer wall of one side of the supporting rod through a rotating shaft.
2. The tool for detecting the thickness of the fireproof paint of the assembled steel structure building according to claim 1, wherein a pressure sensor (31) is fixedly connected to the outer wall of one side of the flat plate (22); the top outer wall of the main body plate (2) is fixedly connected with a display screen (7).
3. The tool for detecting the thickness of the fireproof coating of the assembled steel structure building according to claim 2, wherein the top end of the connecting box (23) is provided with a marking part, and the marking part consists of a charging barrel (29) fixed on the outer wall of the top of the connecting box (23) and a spraying head (28) arranged on the outer wall of one side of the charging barrel (29).
4. A tool for detecting the thickness of a fire-retardant coating for an assembled steel structure building according to claim 3, wherein the outer wall of one side of the connecting box (23) is connected with a brush body (24) through a fixing plate.
5. The tool for detecting the thickness of the fireproof paint of the fabricated steel structure building according to claim 1, wherein the inner wall of the protective box (1) is provided with a clamping layer (5); the top outer wall of the protective box (1) is provided with a box cover (8); a hook (4) is fixedly connected to the outer wall of one side of the protective box (1); the top outer wall of the main body plate (2) is rotatably connected with a handle (9).
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| CN114877843A (en) | 2022-08-09 |
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Effective date of registration: 20240623 Address after: Room 343, Bicheng Park, Huguan Economic Development Zone, Huguan County, Changzhi City, Shanxi Province, 046000 Patentee after: Shanxi Jiantou Changzhi Construction Industry Co.,Ltd. Country or region after: China Address before: No.153 Jingui Avenue, Enshi City, Enshi Tujia and Miao Autonomous Prefecture, Hubei Province Patentee before: Zou Xinqin Country or region before: China |
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