CN210128695U - Structural surface flatness detection device - Google Patents
Structural surface flatness detection device Download PDFInfo
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- CN210128695U CN210128695U CN201920850450.8U CN201920850450U CN210128695U CN 210128695 U CN210128695 U CN 210128695U CN 201920850450 U CN201920850450 U CN 201920850450U CN 210128695 U CN210128695 U CN 210128695U
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Abstract
The utility model discloses a structure surface flatness detection device, it includes: the transparent box body with the length of Lm is internally provided with N test needle rods which equally divide the Lm transparent box body, and the transparent box body is internally provided with a connecting line positioned in a threading hole at the upper end of each test needle rod; a plurality of flatness limit value laser marking lines arranged in the transparent box body; the handheld part is provided with a braking piece for adjusting the tightness of the connecting line. The utility model has the advantages of the testing result image is accurate, save two instruments and two operators cooperative operation, reduce the error, equipment is light and handy, labour saving and time saving, be applicable to all wall ground top surfaces and all kinds of decorative cover roughness detection.
Description
Technical Field
The utility model belongs to the technical field of the structure detection technique among the civil engineering and specifically relates to a structural surface roughness detection device is related to.
Background
The structural surface flatness is detected commonly at present, and the structural surface flatness is related to the appearance and the later-stage use quality of all structural surfaces in civil engineering. The flatness of the surface of the structure does not meet the requirement, and the visual attractiveness is influenced and the structural safety of a decoration surface layer is endangered for a house construction project; for road engineering, driving comfort is affected, and driving safety is endangered in severe cases; for bridge and tunnel engineering, the visual attractiveness of the lining is influenced, the personal safety is endangered by the falling of the lining surface layer, the driving comfort is influenced, and the driving safety is endangered seriously, so that the accurate structural surface flatness detection plays a critical role in controlling the structural quality in civil engineering.
The existing structural surface flatness detection equipment is divided into two categories, namely a section category and a reaction category, wherein the section category equipment comprises a straight ruler, a feeler gauge, a continuous flatness meter and a laser flatness meter, and the reaction category equipment comprises a jolt accumulation meter. In the conventional detection methods, some detection methods require two instruments and two operators to work cooperatively, some detection devices are large and heavy, some detection methods require high cost, some detection methods waste time and labor, and detection results are inaccurate.
The utility model relates to a detection method and corresponding device of structural surface roughness compare with traditional detection method device, have the accurate image of testing result, save two instruments and two operators cooperative operation, reduce error, equipment light and handy, labour saving and time saving, be applicable to all wall ground top surfaces and all kinds of advantages such as decoration face roughness detection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a structural surface roughness detection device, its testing result is accurate vivid, save two instruments and two operators cooperative operation, reduce error, equipment are light and handy, labour saving and time saving, application scope extensively.
To solve the above technical problem, an embodiment of the present invention provides a method for detecting structural surface flatness, which is suitable for detecting a structural surface in a range of 0mm to 10mmDetecting the surface flatness, wherein the main body of the test needle rod is made of transparent material, and the test needle rod is vertically displaced by delta relative to the surface of the structureiAnd the position X of the vertical overrun displacementΔCAs a test parameter, considering the requirement of the structural surface flatness limit value, the position of the vertical over-limit displacement is determined by emitting and receiving a flatness limit value laser marking line at the end part of the transparent box body, the transparent box body is equally divided in the Lm direction by N test needle rods, the upper end of each test needle rod is perforated for connecting lines, and when each test needle rod automatically displaces to drive the connecting lines, the structural surface flatness condition to be tested is observed through the transparent box body.
The utility model provides an among the structure surface roughness detection method, the main part of test needle bar selects glass for transparent body material, because laser passes through glass and only transmits unreflected, can satisfy the test needs of this device.
The utility model provides an among the structure surface flatness detection method, this method includes following step:
placing a transparent box body on the surface of a structure to be detected;
secondly, shifting the brake buttons at the two ends of the transparent box body, drawing the upper end connecting line of the test needle rod in the transparent box body to move towards the direction vertical to the surface of the structure to be tested, and driving the test needle rod to stop moving after the bottom end of the test needle rod contacts the surface of the structure to be tested at the corresponding position;
opening limit laser marking lines at two ends of the transparent box body;
step four, each test needle rod drives the change of the upper connecting line form according to different concave-convex degrees at the surface position of the corresponding test structure, and when the bottom ends of the needle rods to be tested contact the structure surface at the corresponding position, the upper connecting line form is kept unchanged, so that the surface flatness condition of the structure to be tested can be visually observed;
step five, the surface of the transparent box body is provided with scales arranged along the Lm direction, and because the initial position coordinates of the top of the test needle rod are aligned with the scales of 0mm, when the bottom of the test needle rod is contacted with the surface of the structure to be tested at the corresponding position and the connection line shape of the upper part of the test needle rod is kept unchanged, the top part of the test needle rod is readThe coordinate of the shift termination position is the vertical displacement delta of the test needle rod relative to the surface of the structure to be testedi。
A structural surface flatness detecting device, characterized in that it includes:
the transparent box body with the length of Lm is internally provided with N test needle rods which equally divide the Lm transparent box body, and the transparent box body is internally provided with a connecting line positioned in a threading hole at the upper end of each test needle rod;
a plurality of flatness limit value laser marking lines arranged in the transparent box body;
the two ends of the transparent box body are provided with handheld parts, and the handheld parts are provided with braking parts for adjusting the tightness of the connecting lines;
the handheld part is also provided with a limit laser marking control switch.
The utility model provides an among the structure surface roughness detection device, L2 m, the length of line equals L.
The utility model provides an among the structure surface roughness detection device, the test needle bar interval is 20 mm.
The utility model provides an among the structure surface roughness detection device, transparent box body surface is provided with the structure surface vertical displacement scale of arranging along transparent box body direction of height, structure surface vertical displacement scale interval is 0mm-10mm, and minimum scale 0.5mm, structure surface vertical displacement scale arranges along transparent box body length direction entire body.
The utility model provides an among the structure surface roughness detection device, the quantity of transparent box body partition is the integral multiple of 100.
The utility model provides an among the structure surface roughness detection device, the diameter of test needle bar is 3 mm.
Compared with the prior art, the utility model discloses following beneficial effect has: compared with the surface flatness detection method of the conventional structure, the method has the advantages of being accurate in detection result image, saving two instruments and two operators for cooperative operation, reducing errors, being light and handy in equipment, saving time and labor, and being suitable for detecting the flatness of all wall and ground top surfaces and various decorative surfaces.
Drawings
Fig. 1 is a schematic view of a method for detecting flatness of a surface of a structure in embodiment 1.
Fig. 2 is a view showing an end face arrangement of a transparent case in the structural surface flatness detecting apparatus according to embodiment 2.
Fig. 3 is a layout view of the test needle bar structure in the structure surface flatness detecting apparatus in example 2.
Fig. 4 is a top view of the transparent case in the structural surface flatness detecting apparatus according to example 2.
Fig. 5 is a front view of the arrangement of the transparent case in the structural surface flatness detecting apparatus in example 2.
Fig. 6 is a schematic view of two end stoppers in the structural surface flatness detecting apparatus according to embodiment 2.
Fig. 7 is an initial state diagram of the structure surface flatness detecting apparatus in embodiment 3.
Fig. 8 is a steady state diagram of the structural surface flatness detecting apparatus in example 3 during use.
FIG. 9 is a schematic view of the up-and-down moving rail of the braking member in embodiment 3.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.
Example 1: referring to fig. 1, the present invention provides a structural surface flatness detecting method, which is suitable for detecting structural surface flatness within the range of 0mm-10mm, and which will test the vertical displacement delta of the relative structural surface (i.e. the structural surface 2 to be detected in fig. 1) of the needle bar 1iAnd the position X of the vertical overrun displacementΔCAs a test parameter, considering the requirement of flatness limit value of the structure surface, the position of the vertical over-limit displacement is determined by emitting and receiving a flatness limit value laser marking line through the end part of the transparent box body, the transparent box body is equally divided in the Lm direction by N test needle rods, for example, the transparent box body is equally divided in the 2m direction by 100 test needle rods by 101 test needle rods, the upper end of the test needle rod 1 is perforated and connected with a connecting line, a connecting line 3 is shown in figure 1, the connecting line is made of materials such as nylon and the like which are difficult to deform and have high strength,the diameter of the wire is about 2-3mm, and when each test needle rod 1 automatically moves to drive the connecting wire 3, the surface flatness condition of the structure to be tested is observed through the transparent box body 4. Specifically, the utility model provides a structure surface flatness detection method includes following detailed step:
first step, arrange the structure surface 2 that awaits measuring in with transparent box body 4, can see from fig. 1, the structure surface that awaits measuring is unevenness's structure, and the structure surface that awaits measuring that is the wave undulation only is for the part of the scene of awaiting measuring such as bridge floor, house ground etc. and aims at convenient description the utility model discloses a detection method, so do not show the whole structures of the scene of awaiting measuring.
Secondly, the two ends of the transparent box body are poked to brake buttons, the upper end connecting line of the testing needle rod 1 in the transparent box body is pulled to move towards the direction vertical to the surface of the structure to be tested, in fig. 1, a natural drop-down occurs due to the self-weight of the test needle bar, with a structural recess beneath it, after the bottom ends of the test needle rods are driven to contact the surfaces of the structures to be tested at the corresponding positions, the test needle rods stop moving, the state at the moment is the state shown in figure 1, the top ends of the test needle rods also form a wavy state, the undulated state of the wave is consistent with the surface form of the structure to be tested, and it is pointed out that the length of the testing needle rod is the same, so the top ends of the testing needle rod are positioned on the same horizontal line in the transparent box body in the initial state, and the state shown in fig. 1 is a line formed by the test needle bar falling naturally according to the ground shape.
And thirdly, opening a limit laser marking at the left end of the transparent box body, wherein 0-10mm of vertical displacement scales of the structural surface are arranged from top to bottom in the height direction of the transparent box body (the scales are arranged along the length direction of the transparent box body in a whole manner, and the scales at the positions of 4.5mm, 5mm and 6mm are arranged in the transparent box body in a whole manner), so that the falling depth of the test needle rod can be obtained according to the scale values, namely the concave depth of the structural surface at the corresponding position, the limit laser marking is selected according to the test limit, the limit laser markings are arranged at the positions of 4.5mm and 6mm, the limit laser marking at the position of 4.5mm is defined as a first limit laser marking 5, the limit laser marking arranged at the position of 6mm is defined as a second limit laser marking 6, and the two limit laser markings are generated by laser emitters at the heights of the respective.
And fourthly, after the test needle rod in the box body naturally drops according to the ground form to form a stable line type, opening a first limit value laser marking line or a second limit value laser marking line at the left end of the transparent box body, if the right end of the transparent box body can receive laser emitted from the left end, the laser can penetrate through the test needle rod made of each glass material from the left end to reach the right end without contacting a connecting line at the top end of the test needle rod, the flatness of the surface position of the structure where each test needle rod is located is not over-limited, and the flatness of each measuring point meets the requirement. If the right end of the transparent box body cannot receive the laser emitted from the left end, the laser cannot penetrate through all the glass test needle rods from the left end to the right end, in the laser projection process, a connecting line (the connecting line does not transmit the laser) contacting the top end of each individual test needle rod is arranged, the flatness of the surface position of the structure where part of the test needle rods are arranged is limited or exceeds the limit, and the observation needs to be carried out through the side face of the box body: testing the falling vertical displacement and corresponding data of each measuring point on the stable connecting line, and finding out the position X of the falling vertical overrun displacement which does not meet the standard requirementΔCAnd its vertical displacement of fall Δi。
In fig. 1, three test bars are shown in a configuration in which the surface flatness of the structure exceeds the limit of 4.5mm, and the positions of the three test bars are also the positions in which the vertical overrun displacement is present.
Fifthly, scales arranged along the direction of 2m are arranged on the surface of the transparent box body, and because the initial position coordinates of the top of the test needle rod are aligned to the scales of 0mm, when the bottom ends of the test needle rod 1 are contacted with the surfaces of the structures to be tested at the corresponding positions respectively and the connection line forms of the upper parts of the test needle rod are kept unchanged, the coordinates of the top displacement ending positions of the test needle rod are read, namely the vertical displacement delta of the test needle rod relative to the surfaces of the structures to be testedi。
Example 2: the utility model provides a structural surface flatness detecting device, see fig. 2-5, which comprises a transparent box body with a length of 2m, such as a plastic transparent box body, the transparent box body is a square box body, the rectangular box body has a top surface, a front side surface, a rear side surface, a left side surface and a right side surface, when the transparent box body selects a bottom surface, a drop hole corresponding to each test needle rod is needed to be arranged on the bottom surface, the transparent box body has a bottom surface, a drop limiting hole corresponding to each test needle rod is arranged on the bottom surface, 101 test needle rods 1 which equally divide the 2m transparent box body 100 are arranged in the transparent box body, a connecting line 3 positioned at an upper end threading hole 1a of the test needle rod is arranged in the transparent box body, a plurality of flatness limit laser marking lines are arranged in the transparent box body, the two flatness limit laser marking lines are respectively a first limit laser marking line 5 at a position of 4.5mm and a second limit laser marking line 6 at a position of 6.0mm, optionally, the allowable deviation of the surface flatness of the building structure is 3.0mm (general plastering) or 4.0mm (high grade plastering), which is a very poor (1.5 times of the allowable deviation) requirement, and the two flatness limit laser markings are respectively emitted by the respective laser emitting elements, and it should be noted that the two ends of the transparent box body are provided with braking members, such as adjusting bolts (not shown) installed at the ends of the transparent box body, and the tightness of the connecting wires fixed to the adjusting bolts is adjusted by rotating the adjusting bolts towards the inner cavity of the transparent box body or away from the inner cavity of the transparent box body.
The overrun projected spot T is shown in figure 1.
It should be noted that, referring to fig. 3, the diameter of the testing needle rod is 3mm, the distance between the needle rods on the connecting line is 20mm, the height of the testing needle rod is 10mm, and the height of the testing needle rod needs to be smaller than the height of the space in the transparent box body, so that the connecting line of the transparent box body can pass through all the testing needle rods, the top end of the testing needle rod does not touch the top surface of the transparent box body, and the testing needle rod is made of glass material which only transmits and does not reflect laser. In fig. 3, the top of the test needle bar 1 is provided with a threading hole, the top of the test needle bar is restricted by a connecting line, and the bottom of the test needle bar is restricted by a box body limiting falling hole, so that the stability in the test process is ensured.
The utility model provides an among the structure surface roughness detection device, L is greater than or equal to 2m, is not restricted to 2m, for example can be integers such as 3m, 4m, can also be non-integer such as 5.5m, 6.5m, and the length of line is greater than or equal to L, and the line colour is blue, is favorable to seeing through the transparent box body of plastics and observes the line form, and then obtains this structure surface roughness condition vividly directly perceivedly.
The utility model provides an among the structure surface roughness detection device, transparent box body surface is provided with the structure surface vertical displacement scale of arranging along transparent box body direction of height, structure surface vertical displacement scale interval is 0mm-10mm, and minimum scale 0.5mm, structure surface vertical displacement scale arranges along transparent box body length direction entire body. Because the initial position coordinate of the top of the needle bar is aligned with the 0mm scale, when the lower ends of the needle bar are contacted with the structure surfaces at the corresponding positions respectively and the upper connecting line form is kept unchanged, the coordinate of the top displacement ending position of the needle bar is read to obtain the vertical displacement delta of the needle bar relative to the structure surfacesi。
The utility model provides an among the structure surface flatness detection device, the quantity that transparent box body equallys divide is the integral multiple of 100, for example 100 equallys divide, 200 equallys divide, 300 equallys divide, 400 equallys divide, and the numerical value of this equallys divide is big more here, and the measuring precision is high more.
Referring to fig. 6, which shows the stopper mounted to the transparent case, the stopper includes a stopper fixing inner nut assembly 8a provided on the transparent case, a stopper screw 8b horizontally mounted to the stopper fixing inner nut assembly 8a, a stopper rotating outer nut 8c mounted to the stopper screw,
example 3: the difference between this embodiment and embodiment 2 is that a hand-held part 7 is arranged at the end of the transparent box 4, the hand-held part is a rectangular part arranged at the end of the transparent box, and the height of the hand-held part is the same as that of the transparent box.
Referring to fig. 7, which is an initial state diagram of the structural surface flatness detecting apparatus, since the two ends of the transparent box are provided with the handholds 7, the handholds can be provided with the braking members for adjusting the tightness of the connecting wires, for example, the braking members are selected from adjusting bolt assemblies, and the adjusting bolt assemblies include: the hand-held laser marking device comprises a braking member fixing inner nut 8a arranged on the hand-held part and a braking member screw 8b arranged on the braking member fixing inner nut, wherein a braking member rotating outer nut 8c is arranged on the braking member screw, and the hand-held part is further provided with a limit value laser marking line control switch 9.
Fig. 8 is a view showing a stable state of the detecting device for structural surface flatness in use, after the device is placed on the ground to be detected, the nut 8c of the stopper in the state shown in fig. 8 has been already in a fastened state.
It is to be noted that fig. 7 to 8 do not show the scale lines of the size of the transparent case, and the flatness limit laser markings may be arranged in the manner referred to in example 2.
Referring to fig. 9, a vertically arranged stopper moving rail 10 is provided at an end wall of the hand-held portion, and a stopper fixing inner nut 8a is provided at a side of the hand-held portion facing the transparent case, and a fixed end Y of the stopper fixing inner nut 8a is shown wired thereto, at which time the entire stopper can be moved up and down along the hand-held portion as required.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (8)
1. A structural surface flatness detecting device, characterized in that it includes:
the transparent box body with the length of Lm is internally provided with N test needle rods which equally divide the Lm transparent box body, and the transparent box body is internally provided with a connecting line positioned in a threading hole at the upper end of each test needle rod;
a plurality of flatness limit value laser marking lines arranged in the transparent box body;
the hand-held part is provided with a braking part for adjusting the tightness of the connecting line.
2. A structural surface flatness detecting apparatus according to claim 1, wherein said line has a length equal to L, where L is 2 m.
3. A stmctural surface flatness detection apparatus according to claim 1, wherein the test pins are spaced apart by 20 mm.
4. The structural surface flatness detecting apparatus according to claim 1, wherein the transparent box body surface is provided with a structural surface vertical displacement scale arranged along a height direction of the transparent box body, the structural surface vertical displacement scale has a value of 0mm to 10mm, and a minimum scale is 0.5mm, and the structural surface vertical displacement scale is arranged along a length direction of the transparent box body in a whole body manner.
5. A stmctural surface planarity inspection device according to claim 1, wherein the number of transparent box halves is an integer multiple of 100.
6. A structural surface flatness detecting apparatus according to claim 1, wherein said test pin shaft has a diameter of 3 mm.
7. A structural surface flatness detecting apparatus according to claim 1, wherein said test needle bar is made of glass.
8. A structural surface flatness detecting apparatus according to claim 1, wherein both ends of said transparent case are provided with a hand-held portion;
the handheld part is also provided with a limit laser marking control switch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920850450.8U CN210128695U (en) | 2019-06-06 | 2019-06-06 | Structural surface flatness detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920850450.8U CN210128695U (en) | 2019-06-06 | 2019-06-06 | Structural surface flatness detection device |
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| CN210128695U true CN210128695U (en) | 2020-03-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132114A (en) * | 2019-06-06 | 2019-08-16 | 上海中测行工程检测咨询有限公司 | Body structure surface measurement method of planeness and device |
| CN113865522A (en) * | 2021-09-14 | 2021-12-31 | 安徽佳力奇先进复合材料科技股份公司 | Skin surface flatness check out test set |
-
2019
- 2019-06-06 CN CN201920850450.8U patent/CN210128695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132114A (en) * | 2019-06-06 | 2019-08-16 | 上海中测行工程检测咨询有限公司 | Body structure surface measurement method of planeness and device |
| CN113865522A (en) * | 2021-09-14 | 2021-12-31 | 安徽佳力奇先进复合材料科技股份公司 | Skin surface flatness check out test set |
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