CN114877843A - Assembled steel construction building fire retardant coating thickness detects instrument - Google Patents
Assembled steel construction building fire retardant coating thickness detects instrument Download PDFInfo
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- CN114877843A CN114877843A CN202210411751.7A CN202210411751A CN114877843A CN 114877843 A CN114877843 A CN 114877843A CN 202210411751 A CN202210411751 A CN 202210411751A CN 114877843 A CN114877843 A CN 114877843A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000000576 coating method Methods 0.000 title claims abstract description 34
- 239000011248 coating agent Substances 0.000 title claims abstract description 33
- 239000003063 flame retardant Substances 0.000 title claims description 16
- 238000010276 construction Methods 0.000 title description 10
- 238000001514 detection method Methods 0.000 claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 239000004566 building material Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 10
- 239000011247 coating layer Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 8
- 230000000994 depressogenic effect Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 240000004282 Grewia occidentalis Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 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
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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 thickness detection tool for an assembled steel structure building fireproof coating, and relates to the technical field of building material detection; the problems of large equipment structure and limited application range are solved; the protective box comprises a main body plate arranged on the inner wall of the protective box, extension plates are arranged on the outer walls of two sides of the main body plate, the outer wall of one side of each extension plate is connected with a limiting seat through an adjusting part, and a thickness detection mechanism is arranged on the outer wall of one side of each limiting seat; the inner wall of the limiting seat is provided with a guide post, two ends of the guide post are respectively fixed with a telescopic frame through connecting parts, and the outer wall of the top of the telescopic frame is provided with a dragging 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 to the other end of the guide post; one side outer wall of one of them expansion bracket is provided with the fixed orifices with connecting block assorted. The invention has the advantages of simple and quick assembly, easy disassembly, light equipment structure and convenient carrying and moving operation positions.
Description
Technical Field
The invention relates to the technical field of building material detection, in particular to a thickness detection tool for a fire-retardant coating of an assembly type steel structure building.
Background
In building construction, in order to guarantee the fire safety of an assembled steel structure building, the use of the fire-retardant coating is one of necessary processes for improving the fire-resistant limit of a member, but in order to avoid the condition that the fire-retardant coating of the assembled steel member cannot meet the specified fire-resistant requirement due to the material reduction and adulteration of a construction party, the thickness of the fire-retardant coating needs to be detected in advance. The thickness of current steel construction fire prevention coating detects and generally relies on the calibrator, and common measurement mode measures a plurality of random sampling points of the component that awaits measuring for manual handheld probe, behind the long-time handheld probe of detection personnel, not only leads to the detection efficiency step-down easily, still scratches the probe with the component that awaits measuring because of carelessly cutting at a distance of too closely with the probe easily, so, has not only reduced the life of thickness detector, still leads to the measurement accuracy step-down.
Through the retrieval, chinese patent application number is CN 202020158418.6's patent, discloses an assembled steel construction building fire retardant 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 lead screw that the level set up in the recess, rather than the complex connecting block is seted up to electric lead screw's outer wall, the top of connecting block is equipped with the support, the top of support is equipped with the probe. The thickness detection tool for the assembled steel structure building fireproof coating in the patent has the following defects: the steel structure length size limits make equipment whole great, lead to the transport difficult, but also can't carry out the measuring distance of nimble adjustment instrument according to the steel construction actual conditions, and application scope is less.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a thickness detection tool for a fire retardant coating of an assembly type steel structure building.
In order to achieve the purpose, the invention adopts the following technical scheme:
the thickness detection tool for the assembled steel structure building fireproof coating comprises a main body plate arranged on the inner wall of a protection box, extension plates are arranged on the outer walls of two sides of the main body plate, one outer wall of one side of each extension plate is connected with a limiting seat through an adjusting part, and a thickness detection mechanism is arranged on the outer wall of one side of each limiting seat; the inner wall of the limiting seat is provided with a guide post, two ends of the guide post are respectively fixed with a telescopic frame through connecting parts, and the outer wall of the top of the telescopic frame is provided with a dragging 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 to the other end of the guide post; the outer wall of one side of one of the telescopic frames is provided with a fixing hole matched with the connecting block, and the outer wall of one side of the other telescopic frame is fixedly connected with a fixing block matched with the connecting hole; the both sides of expansion bracket all are provided with the locating pin, and one side outer wall of expansion bracket is provided with position leveling structure.
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 pivot is rotatably connected to the outer wall of one side of the L-shaped plate, and one end of the adjusting pivot 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 a limiting plate is connected to the inner wall of the adjusting groove in a sliding mode through a sliding block; the equal fixedly connected with angle ware of both sides outer wall of main part board, the one end of angle ware is rotated through the pivot and is connected with horizontal needle.
Preferably: the adjusting part comprises an adjusting column and a fixed column, the bottom end of the adjusting column and the bottom end of the fixed column are respectively and rotatably connected to the outer wall of the top of the limiting seat, the outer wall of the adjusting column is arranged on the inner wall of the extension plate, and the fixed column and the extension plate are in sliding fit; and a graduated scale is arranged on the outer wall of one side of the extension plate.
Preferably: the pulling mechanism comprises a coil box and a motor, 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 rotatably connected with a coil roller; the outer wall of the bottom of the motor is fixedly connected to the outer wall of the top 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 line 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 limiting 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 to 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 rotatably connected with a rubber wheel through a rotating shaft; the outer wall of one side of the distance measuring sensor is rotatably 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 connecting box is provided with the mark portion, and the mark portion comprises the feed cylinder of being fixed in on the outer wall of connecting box top and the hydrojet that sets up on the outer wall of feed cylinder one side.
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; a box cover is arranged on the outer wall of the top of the protection box; the outer wall of one side of the protective box is fixedly connected with a hook; the outer wall of the top of the main body plate is rotatably connected with a handle.
The invention has the beneficial effects that:
1. according to the invention, the assembled guide column group is inserted into and penetrates through the limiting seat, the connecting block on one end of the guide column 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 column group, so that the two telescopic frames are assembled in opposite positions through the guide column group and form a stable connection relation with the main body plate.
2. According to the invention, the guide post group which is consistent with the size of the steel structure coating layer to be detected is selected according to the range of the steel structure coating layer to be detected, and the connecting block on the nth guide post is inserted into the connecting hole on the (n-1) th guide post, so that the connection and fixation of two or more guide posts 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, the extension plates move the telescopic frames fixed by the limiting seats to automatically adjust the extension degrees, so that the central horizontal line of the main body plate is kept parallel to the central line of the steel structure, the thickness detection mechanism is adjusted to properly contact two side surfaces of the steel structure, and coatings on the steel structures with different width sizes can be conveniently detected.
4. According to the invention, a detection tool is horizontally placed on a measuring surface of a detection steel structure, the four-corner offset degree of the detection tool is observed through a horizontal needle and an angle gauge, if one side is inclined/depressed, an adjusting pivot positioned at the side is manually and slowly rotated, and the bottom surface of an eccentric wheel is always in contact with a plane when the eccentric wheel rotates, so that the inclined/depressed part of the detection tool can be propped up to rise when the eccentric wheel rotates under the action of a unique structure of the eccentric wheel, the change of the horizontal needle when the eccentric wheel rotates needs to be visually observed, the detection tool stops until two ends of the horizontal needle point to the angle gauge to be horizontal lines, and then a limiting plate slides in an adjusting groove to wrap the outer wall of the adjusting pivot to fix the direction of the eccentric wheel so as to prevent the eccentric wheel from rotating, and the detection accuracy of the detection tool during use is ensured.
5. According to the invention, detection change signals of the detection element group are transmitted to the display screen through the control module for displaying, so that workers can conveniently check the integral uniformity and abnormal positions of the coating on the measuring surface, and can conveniently automatically mark the uneven positions of the coating layer by using the spray head, and the workers can conveniently find and flatten the coating layer; the traction ropes on the two telescopic frames are alternately pulled through the pulling mechanism, so that the main body plate is flexibly controlled to horizontally move around the guide column group through the limiting seat, manpower is saved, the detection work is carried out, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the accommodating state of the tool for detecting the thickness of the fire retardant coating of the fabricated steel structure building according to the present invention;
FIG. 2 is a schematic structural diagram of a fabricated steel structure building fireproof paint thickness detection tool according to the present invention;
FIG. 3 is a schematic structural view of an assembled steel structure building fireproof paint thickness detection tool in a bottom view in use state according to the present invention;
FIG. 4 is a schematic structural view of a connecting box of the thickness detection tool for fire-retardant coating of an assembly steel structure building according to the present invention;
FIG. 5 is an exploded view of an L-shaped plate and an eccentric wheel of the thickness detection tool for fire-retardant coating of an assembly steel structure building according to the present invention;
FIG. 6 is a schematic view of an explosion structure of a telescopic frame and a guide post of the thickness detection tool for the fire-retardant coating of an assembly steel structure building, according to the present invention;
fig. 7 is a schematic circuit flow diagram of a tool for detecting the thickness of the fire retardant coating of the fabricated steel structure building according to the present invention.
In the figure: the device comprises a protective box 1, a main body plate 2, an extension plate 3, a hook 4, a clamping layer 5, a coil box 6, a display screen 7, a box cover 8, a handle 9, a plate 10L, a motor 11, an eccentric wheel 12, a traction rope 13, an angle device 14, an expansion bracket 15, a fixed column 16, an adjusting column 17, a limiting seat 18, a guide column 19, a positioning pin 20, an elastic part 21, a flat plate 22, a connecting box 23, a brush 24, a rubber wheel 25, a graduated scale 26, a distance measuring sensor 27, a material spraying head 28, a material barrel 29, a telescopic column 30, a pressure sensor 31, an adjusting hinge 32, a limiting plate 33, an adjusting groove 34, a fixing hole 35 and a connecting block 36.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
an assembled steel structure building fireproof coating thickness detection tool is shown in figures 1-3 and 6 and comprises a main body plate 2 placed on the inner wall of a protection box 1, extension plates 3 are inserted into the outer walls of the two sides of the main body plate 2, one outer wall of one side of each extension plate 3 is connected with a limiting seat 18 through an adjusting part, and one outer wall of one side of each limiting seat 18 is provided with a thickness detection mechanism; the inner wall of the limiting seat 18 is inserted with a guide post 19, a plurality of guide posts 19 with different lengths and sizes but the same diameter can be manufactured in advance, flexible lengthening or shortening is facilitated according to the actual condition of a detected steel structure, two ends of each guide post 19 are respectively fixed with a telescopic frame 15 through connecting parts, and the outer wall of the top of each telescopic frame 15 is provided with a dragging mechanism; the connecting part comprises a connecting hole and a connecting block 36, the connecting hole is formed in one end of the guide column 19, and the outer wall of one side of the connecting block 36 is welded to the other end of the guide column 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 one side, close to the two ends, of the other telescopic frame 15; two sides of the telescopic frame 15 are both connected with positioning pins 20 through threads, and the outer wall of one side of the telescopic frame 15 is provided with two position leveling structures. Before detection, according to the range of the steel structure coating layer to be detected, selecting a guide post 19 group which is consistent with the size of the steel structure coating layer, inserting a connecting block 36 on the nth guide post 19 into a connecting hole on the (n-1) th guide post 19, thereby completing the connection and fixation of two or more guide posts 19, so that the flexibility of adjusting the detection range is wider, then the assembled guide post 19 group is inserted into and penetrates through the limiting seat 18, the connecting block 36 on one end of the guide post is inserted into the 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 column 19 group, thereby make two expansion bracket 15 accomplish the equipment that is relative position through the guide post 19 group to constitute stable connection relation with main part board 2, the equipment is comparatively simple quick, easily dismantles, and the structure is light and handy convenient transport and moves the operation position.
In order to facilitate the detection of the coating on steel structures with different width sizes; as shown in fig. 1-5 and 7, the adjusting portion includes an adjusting column 17 and two fixing columns 16, the bottom end of the adjusting column 17 and the bottom ends of the two fixing columns 16 are respectively rotatably connected to the outer wall of the top of the limiting seat 18, 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 respectively form a sliding fit with the extension plate 3; the outer walls of one sides of the two extension plates 3 are both bonded 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 telescopic frame 15 through a bolt; 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 mode through a sliding block; the outer walls of the two sides of the main body plate 2 are both fixed with an angle device 14 through bolts, and one end of the angle device 14 is rotatably connected with a horizontal needle through a rotating shaft. Before using, at first according to the width of the steel construction that measures, refer to scale 26 and pull out two extension plates 3 from main part board 2, extension plate 3 drives expansion bracket 15 through spacing seat 18 fixed and adjusts the extension degree consequently automatically for main part board 2 central line keeps parallel with the steel construction central line, and the both sides face of adjustment thickness detection mechanism suitable contact steel construction is convenient for detect the coating on the different width size steel constructions. 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-corner offset degree of the detection tool is observed through a horizontal needle and an angle device 14, if a certain side is inclined/depressed, an adjusting pivot 32 positioned at the side is manually and slowly rotated, the bottom surface of the eccentric wheel 12 is always in contact with a plane when the eccentric wheel 12 rotates, therefore, under the action of the unique structure of the eccentric wheel 12, the inclined/depressed part of the detection tool can be propped up to rise when the eccentric wheel 12 rotates, the change of the horizontal needle when the eccentric wheel 12 rotates needs to be visually observed until the two ends of the horizontal needle point to the angle device 14 is horizontal, a limiting plate 33 is slid in an adjusting groove 34, the limiting plate is used for wrapping the outer wall of the adjusting pivot 32 to fix the position of the eccentric wheel 12 to prevent the eccentric wheel from rotating, the detection accuracy when the detection tool is used is ensured, and finally, the positioning pins 20 on telescopic frames 15 at the two ends of the detection tool are utilized, the detection tool is fixed at two ends of the steel structure to be measured or on the external structure surface of two ports of the steel structure to be measured, so that the position of the detection tool is fixed, and the stability of measurement operation is improved.
In order to detect the thickness of the fireproof paint layer; as shown in fig. 2-4 and 7, the thickness detection mechanism includes two elastic members 21, a flat plate 22, a connection box 23, a distance measuring sensor 27 and two telescopic columns 30, and one end of each telescopic column 30 is welded to an outer wall of one side of the limit seat 18; one end of each of the two elastic members 21 is welded to the outer wall of one side of the limiting seat 18, and the two telescopic columns 30 are respectively located in the wrapping range of the two elastic members 21; the outer wall of one side of the flat plate 22 is welded at one end of the two elastic pieces 21, and the flat plate 22 is in sliding fit with the two telescopic columns 30; the outer wall of one side of the connecting box 23 is welded at one end of the 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 the inner wall of one side of the connecting box 23 is rotatably connected with a rubber wheel 25 through a rotating shaft, so that a paint layer is prevented from being damaged; the outer wall of one side of the distance measuring sensor 27 is rotatably connected to the outer wall of one side of the supporting rod through a rotating shaft, the model of the distance measuring sensor 27 is KHF3-CJ-1B, and the signal output end of the distance measuring sensor 27 is electrically connected with the control module; a pressure sensor 31 is fixed on the outer wall of one side of the flat plate 22 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; a display screen 7 is fixed on the outer wall of the top of the main body plate 2 through a bolt, and a 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 fixing plate; the top end of the connecting box 23 is provided with a marking part, the marking part consists of a material barrel 29 fixed on the outer wall of the top of the connecting box 23 and a material spraying head 28 arranged on the outer wall of one side of the material barrel 29, and the switch control end of the material 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 a steel structure measuring surface, when the rubber wheel extension device is used, the main body plate 2 and the upper structure thereof move back and forth under the driving of a dragging mechanism, so that the rubber wheel 25 rolls on two measuring surfaces or one measuring surface opposite to the steel structure, the flat plate 22 is attached to the connecting box 23 under the supporting of the elastic part 21, the pressure sensor 31 detects the pressure change of the rubber wheel 25 on 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 motor 11 is started again after being closed for a moment, the material spraying head 28 is controlled to be opened during closing, the uneven position of a coating layer is marked, a worker can conveniently find and trim, 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, the whole uniformity and the different positions of the coating on the measuring surface can be conveniently checked by workers. During the passive displacement of the detection tool, the brush body 24 automatically cleans the measuring surface to avoid the travel fault of the rubber wheel 25 caused by the impurities adhered on the measuring surface, thereby influencing the accuracy of the measuring work.
To manipulate the horizontal displacement of the main body panel 2; as shown in fig. 1, 2 and 7, the pulling mechanism comprises a coil box 6 and a motor 11, wherein the outer wall of the bottom of the coil box 6 is fixed on the outer wall of the top of the telescopic frame 15 through bolts, and the inner wall of the coil box 6 is rotatably connected with a coil roller; the bottom outer wall of the motor 11 is fixed on the top outer wall of the telescopic frame 15 through a bolt, the output end of the motor 11 is connected with one end of the wire roller through a coupler, and the switch control end of the motor 11 is electrically connected with the control module; the welding of the main part board 2 is close to the top outer wall of both sides has two haulage rope 13, and the circumference outer wall of two line rollers is twined respectively in the one end of two haulage rope 13. The starter motor 11 drives the line roller and rotates to receive and release haulage rope 13, utilize haulage rope 13 on two expansion brackets 15 to drag in turn, and then nimble control main part board 2 is through spacing seat 18 horizontal migration around on the 19 groups of guide posts, uses manpower sparingly to take and moves and carry out detection achievement, improves detection efficiency.
Before the detection device is used, firstly, according to the range size of a steel structure coating layer to be detected, a guide column 19 group which is consistent with the size of the steel structure coating layer is selected, a connecting block 36 on the nth guide column 19 is inserted into a connecting hole on the (n-1) th guide column 19, so that the connection and the fixation of two or more guide columns 19 are completed, then the assembled guide column 19 group is inserted into and penetrates through a limiting seat 18, the connecting block 36 on one end of the guide column is inserted into a fixing hole on an expansion bracket 15, and a fixing block on another expansion bracket 15 is inserted into a connecting hole on the other end of the guide column 19 group, so that the two expansion brackets 15 are assembled in relative positions through the guide column 19 group, and form a stable connection relationship with a main body plate 2; then according to the width of the measured steel structure, the reference graduated scale 26 pulls out two extension plates 3 from the main plate 2, the extension plates 3 drive the expansion bracket 15 fixed by the limiting seat 18 to automatically adjust the extension degree therewith, so that the central horizontal line of the main 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-corner offset degree of the detection tool is observed through a horizontal needle and an angle device 14, if a certain side is inclined/depressed, an adjusting pivot 32 positioned at the side is manually and slowly rotated, the bottom surface of the eccentric wheel 12 is always in contact with a plane when the eccentric wheel 12 rotates, therefore, under the action of the unique structure of the eccentric wheel 12, the inclined/depressed part of the detection tool is propped to rise when the eccentric wheel 12 rotates, the change of the horizontal needle when the eccentric wheel 12 rotates needs to be visually observed until two ends of the horizontal needle point to the angle device 14 to be horizontal lines, then a limiting plate 33 slides in an adjusting groove 34, the limiting plate is made to wrap the outer wall of the adjusting pivot 32 to fix the direction of the eccentric wheel 12 so as to prevent the eccentric wheel from rotating, and finally, the positioning pins 20 on telescopic frames 15 at two ends of the detection tool are utilized, and fixing the detection tool on the two ends of the steel structure to be measured or the external structure surfaces of the two ports of the steel structure to be measured.
When the device is used, the starting motor 11 drives the line roller to rotate, so that the traction rope 13 is retracted and released, the traction rope 13 on the two telescopic frames 15 is alternately pulled, the main body plate 2 is flexibly controlled to horizontally move back and forth on the guide post 19 group through the limiting seat 18, the rubber wheel 25 rolls on two opposite measuring surfaces or one measuring surface of a steel structure, the brush body 24 automatically cleans the measuring surfaces to avoid stroke faults of the rubber wheel 25 caused by impurities adhered on the measuring surfaces, the flat plate 22 is attached to the connecting box 23 under the supporting of the elastic piece 21, the pressure sensor 31 detects the pressure change of the rubber wheel 25 during the movement of the measuring surfaces in real time, the distance measuring sensor 27 detects the displacement change of the rubber wheel 25 on the measuring surfaces 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 motor 11 is restarted after being closed for a moment, the spray head 28 is controlled to be opened during the closing period, and then mark the inhomogeneous position of dope layer, the detection change signal of pressure sensor 31 and range sensor 27 is passed through control module and is transmitted to display screen 7 show, and the workman of being convenient for looks over the whole homogeneity of coating and has different positions of measuring the face.
Example 2:
a thickness detection tool for a fire-proof coating of an assembly type steel structure building is shown in figure 1, and is convenient to protect the detection tool when not in use; the present embodiment is modified from embodiment 1 as follows: a clamping layer 5 is bonded on the inner wall of the protective box 1; the outer wall of the top of the protective box 1 is hinged with a box cover 8; a hook 4 is fixed on the outer wall of one side of the protective box 1 through a bolt; the outer wall of the top of the main body plate 2 is rotatably connected with a handle 9. Open case lid 8, hold handle 9 and mention whole detection instrument, and place it in protective housing 1, it is convenient to accomodate, clamping layer 5 closely laminates detection instrument all around, in order to increase its fastness when laying, closed case lid 8 makes protective housing 1 be the closure state, prevent to expose for a long time outside direct contact detection instrument such as liquid and dust, utilize couple 4 at last with protective housing 1 fix not take up an area of the position can, moreover, the steam generator is simple in structure, improve the protection quality to detection instrument.
This embodiment is when not using, open case lid 8, hold handle 9 and mention whole detection instrument, and place it in protective housing 1, it is convenient to accomodate, the detection instrument that 5 inseparable laminatings of centre gripping layer are all around, with the fastness when increasing it and laying, closed case lid 8 makes protective housing 1 be the closure state, prevent to expose for a long time outside direct contact detection instruments such as liquid and dust, utilize couple 4 at last with protective housing 1 fix not take up an area the position can, moreover, the steam generator is simple in structure, the improvement is to the protection quality who detects the instrument.
The detection is according to the coating thickness range specified in GB14907-2002 Steel Structure fire-retardant coating Performance test.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The thickness detection tool for the assembled steel structure building fireproof coating comprises a main body plate (2) arranged on the inner wall of a protection box (1), and is characterized in that extension plates (3) are arranged on the outer walls of two sides of the main body plate (2), one outer wall of one side of each extension plate (3) is connected with a limiting seat (18) through an adjusting part, and a thickness detection mechanism is arranged on the outer wall of one side of each limiting seat (18); the inner wall of the limiting 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 connecting parts, and the outer wall of the top of the telescopic frame (15) is provided with a dragging mechanism; the connecting part comprises a connecting hole and a connecting block (36), the connecting hole is formed in one end of the guide column (19), and the outer wall of one side of the connecting block (36) is fixedly connected to the other end of the guide column (19); the outer wall of one side of one of the telescopic frames (15) is provided with a fixing hole (35) matched with the connecting block (36), and the outer wall of one side of the other telescopic frame (15) is fixedly connected with a fixing block matched with the connecting hole; both sides of expansion bracket (15) all are provided with locating pin (20), and one side outer wall of expansion bracket (15) is provided with position leveling structure.
2. The assembled steel structure building fireproof coating thickness detection tool according to claim 1, wherein the position leveling structure comprises an L-shaped plate (10), an eccentric wheel (12) and an adjusting hinge (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 an expansion bracket (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.
3. The assembled steel structure building fireproof coating thickness detection tool according to claim 2, wherein 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 outer walls of the two sides of the main body plate (2) are fixedly connected with angle devices (14), and one ends of the angle devices (14) are rotatably connected with horizontal needles through rotating shafts.
4. The assembly type steel structure building fireproof coating thickness detection tool is characterized in that the adjusting portion 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 and rotatably connected to the outer wall of the top of the limiting seat (18), 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) are in sliding fit; and a graduated scale (26) is arranged on the outer wall of one side of the extension plate (3).
5. The assembled steel structure building fireproof paint thickness detection tool according to claim 1, wherein the dragging mechanism comprises a coil box (6) and a motor (11), the outer bottom wall of the coil box (6) is fixedly connected to the outer top wall of an expansion bracket (15), and a coil roller is rotatably connected to the inner wall of the coil box (6); the outer wall of the bottom of the motor (11) is fixedly connected to the outer wall of the top 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 fixedly connected with haulage rope (13) of main part board (2), the one end of haulage rope (13) sets up in the circumference outer wall of line roller.
6. The assembled steel structure building fireproof coating thickness detection tool according to claim 5, wherein the thickness detection mechanism comprises an elastic piece (21), a flat plate (22), a connection box (23), a distance measurement sensor (27) and a telescopic column (30), and one end of the telescopic column (30) is fixedly connected to one side outer wall of the limiting seat (18); one end of the elastic piece (21) is fixedly connected to the outer wall of one side of the limiting 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) is in sliding fit with the telescopic column (30); the outer wall of one side of the connecting box (23) is fixedly connected to one end of the telescopic column (30), the outer wall of the top of the connecting box (23) is fixedly connected with a supporting rod, and the inner wall of one side 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 rotatably connected to the outer wall of one side of the support rod through a rotating shaft.
7. The tool for detecting the thickness of the fire retardant coating of the assembled steel structure building as claimed in claim 6, wherein a pressure sensor (31) is fixedly connected to the outer wall of one side of the flat plate (22); the display screen (7) is fixedly connected to the outer wall of the top of the main body plate (2).
8. The assembled steel structure building fireproof paint thickness detection tool according to claim 7, wherein the top end of the connection box (23) is provided with a marking part, and the marking part is composed of a material barrel (29) fixed on the outer wall of the top of the connection box (23) and a material spraying head (28) arranged on the outer wall of one side of the material barrel (29).
9. The assembled steel structure building fireproof paint thickness detection tool according to claim 8, wherein a brush body (24) is connected to one side outer wall of the connection box (23) through a fixing plate.
10. The tool for detecting the thickness of the fire retardant coating of the assembled steel structure building as claimed in claim 1, wherein the inner wall of the protective box (1) is provided with a clamping layer (5); a box cover (8) is arranged on the outer wall of the top of the protection box (1); the outer wall of one side of the protective box (1) is fixedly connected with a hook (4); the outer wall of the top of the main body plate (2) is rotatably connected with a handle (9).
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| CN114877843B (en) | 2024-05-03 |
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Inventor after: Liu Hailiang Inventor after: Chen Lin Inventor after: Xing Zhiqiang Inventor after: Zou Xinqin Inventor before: Zou Xinqin |
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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 |