Installation method of visual video ladder water gauge installation fixing structure

Abstract

The invention discloses an installation method of a visual video stepped water gauge installation fixing structure, the visual video stepped water gauge installation fixing structure comprises a hot galvanizing square tube, the surface of the hot galvanizing square tube is connected with a water gauge sheet through a rivet assembly; the hot galvanizing square pipe is connected to the gate pier through the hanging lug assembly. A plurality of anchor holes are formed in the two sides of the water gauge piece at equal intervals, the rivet assembly comprises a plurality of rivets, and the water gauge piece penetrates through the anchor holes through the rivets and is connected to the surface of the hot galvanizing square pipe; the installation method comprises the steps that S1, materials are prepared before installation; s2, positioning and marking a mounting position; and S3, mounting the water gauge sheet. According to the installation method of the visual video stepped water gauge installation and fixing structure, the water gauge piece is installed stably, and precision and perpendicularity are guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of installation method of visual video ladder water gauge installation fixed structure. BACKGROUND

[0002] Conventional water gauge sheet installation, generally by rivet fixed installation directly against wall or against object, but underwater part cannot be installed directly, need to build cofferdam or after water level drops to reinforce, this kind of installation mode cannot guarantee the precision and perpendicularity of water gauge installation on the one hand, on the other hand, installation fixed effect is not good, water gauge sheet is easy to fall off after a long time, underwater part is also easy to be damaged by garbage, ice thrust, water power etc.

[0003] Therefore, aiming at the above problems, an installation method of visual video ladder water gauge installation fixed structure is provided. SUMMARY

[0004] The present application aims to overcome the existing defects and provide an installation method of visual video ladder water gauge installation fixed structure, water gauge sheet installation is stable, precision and perpendicularity are guaranteed.

[0005] To achieve the above object, the present application provides the following technical scheme: an installation method of visual video ladder water gauge installation fixed structure, visual video ladder water gauge installation fixed structure, including hot-dip galvanized square tube, the surface of the hot-dip galvanized square tube is connected with water gauge sheet through rivet assembly;The hot-dip galvanized square tube is connected on the pier through lug assembly; Multiple anchor holes are arranged equidistantly on the two sides of the water gauge sheet, the rivet assembly includes multiple rivets, and the water gauge sheet is connected on the surface of the hot-dip galvanized square tube by penetrating the anchor holes through the rivets; The lug assembly includes multiple lugs, and multiple lugs are connected equidistantly on the two sides of the hot-dip galvanized square tube respectively, a bolt hole is formed on each lug, and the lug is connected to the pier by penetrating the bolt hole through expansion bolt; The water gauge sheet and the surface of the hot-dip galvanized square tube are bonded by high-strength epoxy adhesive; The installation method includes: Step S1, material preparation before installation; Step S2, positioning and marking installation position; Step S3, install water gauge sheet.

[0006] The step S2, positioning and marking installation position includes: Step S21, elevation reference measurement, the known hydrological reference point is measured to the installation position by using level, and the water gauge sheet zero point elevation (such as △ 50.00 m) is marked; Step S22, horizontal and vertical correction, using a level and plumb line to mark the horizontal line and vertical center line of the water gauge piece on the installation surface, to ensure that the scale is parallel to the horizontal plane.

[0007] The step S3, installing the water gauge piece includes: Step S31, sanding the installation surface of the hot-dip galvanized square tube to ensure the surface is smooth and remove stains on the surface of the water gauge piece and the square tube; Step S32, brushing high-strength epoxy glue or waterproof structural glue on the installation surface of the water gauge piece and the hot-dip galvanized square tube for fixation, and the glue should be evenly brushed; Step S33, after the glue solidifies, using rivets for reinforcement, the rivets are spaced about 0.5m apart, staggered with the water level scale (3 rows of rivets for a 1m relay water gauge, 2 in each row), symmetrically applied, to avoid deformation caused by unilateral stress; Step S34, grinding and plugging the upper and lower ends of the hot-dip galvanized square tube; Step S35, welding mounting lugs on both sides of the hot-dip galvanized square tube, starting from 50mm above the water surface, setting a row of lugs every 0.9m, and symmetrically setting 2 in each row, and then using Φ8mm expansion bolts to fix and install on the pier or wing wall; Step S36, checking the levelness, the deviation is ≤2mm / m, and if necessary, adjusting by adding shims; Step S37, filling the gaps with high-strength epoxy glue or waterproof structural glue and pressing and solidifying; Step S38, scale calibration.

[0008] It also includes installing a water gauge camera, which is installed on a fixed base opposite the water gauge piece; the water gauge camera is kept two meters away from the water gauge piece.

[0009] It also includes post-installation acceptance: verticality detection: using a plumb line, the deviation is ≤1 / 500; Scale accuracy: randomly test 5 scale points, and use a level to check, the error is ≤±5mm; firmness detection: manually shake the water gauge piece and check for no looseness or abnormal sound.

[0010] It also includes functional testing: simulate a wet environment by splashing water and check the clarity of the water gauge piece scale; at night, use a flashlight to test the visibility of the reflective coating of the water gauge piece.

[0011] The lug is a right-angle type, and one side is connected to the side wall of the hot-dip galvanized square tube by welding.

[0012] The water gauge piece is a stainless steel plate.

[0013] Compared with the prior art, the installation method of the visual video step water gauge installation fixing structure has the beneficial effects that: the water gauge sheet is connected to the hot-dip galvanized square tube through the rivet assembly, and the hot-dip galvanized square tube is connected to the pier through the lug assembly; in the water gauge installation structure, the connection between the water gauge sheet and the hot-dip galvanized square tube is achieved by the rivet assembly. The rivet assembly is rigidly connected by a plurality of groups of symmetrically distributed high-strength rivets, can make the water gauge sheet and the square tube surface closely fit, and effectively eliminate the gap shaking. This connection mode can withstand water impact, wind vibration and other external forces, and can avoid loosening and deviation even in a long-term hydrological environment.

[0014] The hot-dip galvanized square tube serving as the support base forms a dense protective film after hot-dip galvanizing treatment, has excellent anti-rust performance, can resist water erosion and atmospheric corrosion, and prolongs the service life of the overall structure. The square tube is made of high-strength steel material, and the rigidity thereof can ensure that the water gauge sheet does not bend under the action of gravity, thereby providing a basic guarantee for the perpendicularity control. The connection between the hot-dip galvanized square tube and the pier is completed through the customized lug assembly, the lug is stamped from a steel plate with a thickness of 10 mm, and is rigidly connected to the pier embedded fastener through a bolt. The lug assembly is designed with a horizontal adjustment bolt, which can be adjusted to ensure that the axis of the square tube is perpendicular to the horizontal plane during installation, and the perpendicularity error can be controlled within 0.5‰ by cooperating with the calibration of the level. This combined installation structure provides protection from three aspects of connection strength, material performance and adjustment accuracy, so that the water gauge sheet always maintains a stable measurement reference, provides reliable precision support for hydrological data collection, and makes the water gauge sheet installation stable, thereby ensuring the precision and perpendicularity. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the application, and constitute a part of the specification, together with the embodiments of the application, to explain the application, and do not constitute a limitation on the application. In the drawings: Figure 1 is a schematic diagram of the installation method of the application; Figure 2 is a detail view of step S2 of the installation method of the application; Figure 3 is a detail view of step S3 of the installation method of the application; Figure 4 is a schematic diagram of the water gauge installation of the application; Figure 5 is a schematic diagram of the water gauge heightening installation of the application.

[0016] In the drawings: 1, hot-dip galvanized square tube; 2, water gauge sheet; 3, anchor hole; 4, rivet; 5, lug; 6, bolt hole. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present application.

[0018] As Figures 4-5 shown, an installation method of a visual video step water gauge installation fixing structure, the visual video step water gauge installation fixing structure includes a hot-dip galvanized square tube 1, the surface of the hot-dip galvanized square tube 1 is connected with a water gauge sheet 2 through a rivet assembly; the hot-dip galvanized square tube 1 is connected on a gate pier through an ear assembly; the water gauge sheet 2 is a stainless steel material plate. The size of the hot-dip galvanized square tube 1 is 100*10*1.2mm. The size of the water gauge sheet 2 is 1000*80mm, the material is 304 stainless steel, and the white background black character flat sheet meets the requirements of night observation of a camera.

[0019] Specifically, a plurality of anchor holes 3 are equidistantly arranged on both sides of the water gauge sheet 2, the rivet assembly includes a plurality of rivets 4, and the water gauge sheet 2 is connected on the surface of the hot-dip galvanized square tube 1 through the rivets 4 penetrating the anchor holes 3; the surface of the water gauge sheet 2 and the hot-dip galvanized square tube 1 are adhered through high-strength epoxy glue; the water gauge sheet 2 is first fixed on the hot-dip galvanized square tube installation surface by using high-strength epoxy glue or waterproof structural glue, and after the glue solidifies, the water gauge sheet 2 is reinforced by using stainless steel rivets 4, the diameter of the rivets is 6mm, the distance between the upper and lower anchor holes is 0.5m, and the water level scale is staggered.

[0020] Specifically, the ear assembly includes a plurality of ears 5, the hot-dip galvanized square tube 1 is respectively connected with a plurality of ears 5 at equidistant positions on both sides, a bolt hole 6 is formed on each ear 5, and the ear 5 is connected to the gate pier through the expansion bolts penetrating the bolt holes 6; the ear 5 is a right-angle type, and one side is connected with the sidewall of the hot-dip galvanized square tube 1 through welding.

[0021] Specifically, the size of the ear 5 is 50*50*1.2mm right-angle type, one right-angle side is connected with the hot-dip galvanized square tube 1 through welding (full welding), and a hole with a diameter of Φ12mm is pre-formed at the middle position of the other right-angle side, and an M8 expansion bolt is used to fix the culvert gate pier or wing wall.

[0022] Specifically, the size of the hot-dip galvanized square tube 1 is 100*10*1.2mm, the conventional length is 6m, and the hot-dip galvanized square tube 1 needs to be cut according to the height difference between the lowest water level elevation of the culvert bottom plate or the river and the design checked water level elevation during actual installation.

[0023] As Figures 1-3 shown, the installation method includes: Step S1, material preparation before installation; Water gauge plate: size 1000*80mm, material 304 stainless steel, white background black characters flat plate, night camera can be observed. Check the size, scale clarity and material before installation, confirm no deformation, corrosion or damage.

[0024] Hot galvanized square tube: size 100*50*1.2mm, surface should be smooth.

[0025] Fixing: embedded bolts, expansion screws or welded base (according to the type of installation foundation).

[0026] Tools: level, total station / instrument, electric drill (for concrete foundation), electric welder, wrench, waterproof sealant, anti-rust paint, etc.

[0027] Auxiliary materials: concrete (for repairing foundation), sandpaper (for grinding weld), cleaning agent (for removing surface stains).

[0028] Step S2, locate and mark the installation position; Step S2, locate and mark the installation position includes: Step S21, elevation reference, known hydrological reference point is measured to the installation position with a level, mark the water gauge plate zero elevation such as (▽50.00m); Step S22, horizontal and vertical correction, use a level and plumb bob to mark the horizontal line and vertical center line of the water gauge plate on the installation surface, ensure that the scale is parallel to the horizontal plane.

[0029] Step S3, install water gauge plate 2.

[0030] Step S3, install water gauge plate 2 includes: Step S31, use sandpaper to polish the installation surface of hot galvanized square tube 1, ensure the surface is smooth, and remove stains on the surface of the water gauge plate and square tube; Step S32, apply high-strength epoxy glue or waterproof structural adhesive on the installation surface of water gauge plate 2 and hot galvanized square tube 1, and fix it, the glue should be evenly applied; Step S33, after the glue solidifies, use rivets 4 to reinforce, the upper and lower spacing of the rivets is about 0.5m, staggered 1m of water level scale, 2 rows of rivets, symmetrically applied, to avoid deformation caused by single-sided stress; Step S34, grind and seal the upper and lower ends of hot galvanized square tube 1; Step S35, weld installation ear 5 on both sides of hot galvanized square tube 1, starting from 50mm from the water surface, set a row of ears 5 every 0.9m, symmetrically set 2 ears in each row, then use Φ8mm expansion bolts to fix and install on the pier or wing wall; Step S36, check the levelness, deviation ≤2mm / m, adjust if necessary; Step S37, use high-strength epoxy glue or waterproof structural glue to fill the gap, and pressurize and solidify; Step S38, calibration of scale.

[0031] The lowest point of the water gauge plate 2 is the bottom plate of the culvert or the lowest water level of the river channel, and the highest point is the design water level. The water gauge plate 2 can be longitudinally connected end to end, so as to cover the historical highest water level and the historical lowest water level. It is noted that the water gauge below needs to start from 0. That is, if a water gauge of 1.8 m is needed, two water gauges of 1 m are connected end to end, and the top end 8 and 9 of the upper water gauge are cut off, and the water gauge cannot be cut from the lower end.

[0032] Continuous splicing (multiple pieces combined): the scales of adjacent water gauge plates need to be seamlessly connected, and the top end scale value of the previous piece is equal to the bottom end value of the next piece (for example, the first piece is 0-1 m, and the second piece is 1-2 m). The gap between the pieces is filled with polyurethane sealant to prevent water erosion.

[0033] When the river depth is greater than 1 m during the installation of the water gauge plate 2, when the river water level drops by more than 0.5 m during the later operation and maintenance process, reinforcement is carried out. The reinforcement method is to weld ear rings at appropriate positions on the square tube, and to fix them with expansion bolts.

[0034] It also includes installing a water gauge camera, which is installed on a fixed base opposite the water gauge plate 2; the water gauge camera is kept two meters away from the water gauge plate 2. The camera increases a 4m high video pole (with lightning protection facilities), and the pole body is installed in a nearby unobstructed place.

[0035] When the bridge does not allow the strength of the structure to be destroyed, the video water gauge at the bridge is fixedly installed on the pier by a stainless steel hoop, and the camera increases a 4m high video pole (with lightning protection facilities), and the pole body and the solar power supply system are installed in a nearby unobstructed place.

[0036] Solar power supply system is used when power is not convenient to obtain nearby.

[0037] The water gauge installation is kept about 2m away from the settlement and displacement observation points to avoid visual interference when the camera reads, and to affect the identification effect.

[0038] The camera (ball machine) identifies the water gauge within 5m and up to 60m. During installation, it needs to meet the design requirements and satisfy the camera installation distance requirements, the data measurement is accurate, the image is clear, and it meets the acceptance standard.

[0039] The water gauge camera and the water gauge plate 2 are installed, and the line of sight and the horizontal line when the water gauge camera watches the water gauge need to be ensured to have an inclination angle a of not more than 30°.

[0040] It also includes post-installation acceptance: verticality detection: using a plumb instrument, the deviation is ≤1 / 500; Scale accuracy: randomly select 5 scale points, check with level, error ≤ ± 5mm; firmness test: manually shake the water gauge sheet 2, check for no looseness, abnormal sound.

[0041] It also includes functional testing: water simulation of humid environment, check the water gauge sheet 2 scale clarity; night with flashlight, test the water gauge sheet 2 reflective coating visibility.

[0042] The installation method of the visual video step water gauge fixing structure, by setting the water gauge sheet 2 is connected to the hot-dip galvanized square tube 1 through the rivet assembly, and the hot-dip galvanized square tube 1 is connected to the pier through the lug assembly; in the water gauge installation structure, the connection between the water gauge sheet 2 and the hot-dip galvanized square tube 1 is realized by the rivet assembly. The rivet assembly is rigidly connected by a plurality of symmetrically distributed high-strength rivets, which can tightly fit the water gauge sheet and the surface of the square tube, effectively eliminating the gap and shaking. This connection method can withstand water impact, wind vibration and other external forces, and can avoid loosening and deviation even in long-term hydrological environment.

[0043] The hot-dip galvanized square tube 1 as the supporting base is formed with a dense protective film after hot-dip galvanizing, has excellent anti-corrosion performance, can resist water erosion and atmospheric corrosion, and prolongs the service life of the overall structure. The square tube is made of high-strength steel material, and the rigidity of the square tube can ensure that the water gauge sheet does not bend under the action of gravity, providing a basic guarantee for the perpendicularity control. The connection between the hot-dip galvanized square tube 1 and the pier is completed through the customized lug assembly, the lug is stamped from a steel plate with a thickness of 10mm, and is rigidly connected with the pier embedded fastener through bolts. The lug assembly is designed with horizontal adjustment bolts, which can be adjusted to ensure that the axis of the square tube is perpendicular to the horizontal plane during installation, and the verticality error can be controlled within 0.5‰ by cooperating with the level. This combined installation structure provides protection from connection strength, material performance and adjustment accuracy, so that the water gauge sheet always maintains a stable measurement reference, providing reliable precision support for hydrological data collection, making the water gauge sheet installation stable, and ensuring the precision and perpendicularity.

[0044] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A method for installing a visual video step gauge installation fixing structure, the visual video step gauge installation fixing structure comprising a hot-dip galvanized square tube (1), the surface of the hot-dip galvanized square tube (1) being connected with a gauge sheet (2) through a rivet assembly; the hot-dip galvanized square tube (1) being connected on a gate pier through an ear assembly; a plurality of anchor holes (3) being equidistantly arranged on both sides of the gauge sheet (2), the rivet assembly comprising a plurality of rivets (4), the gauge sheet (2) being connected on the surface of the hot-dip galvanized square tube (1) through the rivets (4) penetrating the anchor holes (3); the ear assembly comprising a plurality of ears (5), a plurality of the ears (5) being equidistantly connected on both sides of the hot-dip galvanized square tube (1) respectively, a bolt hole (6) being arranged on each of the ears (5), the ear (5) being connected on the gate pier through an expansion bolt penetrating the bolt hole (6); the surface of the gauge sheet (2) and the hot-dip galvanized square tube (1) being adhered through high-strength epoxy glue; characterized in that the installation method comprising: Step S1, material preparation before installation; Step S2, positioning and marking the installation position; Step S3, installing the gauge sheet (2).

2. The method of installing the visual video step gauge water gauge mounting and fixing structure according to claim 1, characterized in that, The Step S2, positioning and marking the installation position comprises: Step S21, elevation reference measurement, a known hydrological reference point is measured to the installation position by using a level, and a zero elevation of the gauge sheet (such as △ 50.00 m) is marked; Step S22, horizontal and vertical correction, a horizontal line and a vertical center line of the gauge sheet are marked on the installation surface by using a level and a plumb line, and it is ensured that the scale is parallel to the horizontal plane.

3. The method of claim 1, wherein the method further comprises: The Step S3, installing the gauge sheet (2) comprises: Step S31, sandpaper is used to polish the installation surface of the hot-dip galvanized square tube (1), it is ensured that the surface is flat, and stains on the surface of the gauge sheet and the square tube are removed; Step S32, high-strength epoxy glue or waterproof structural adhesive is brushed on the installation surface of the gauge sheet (2) and the hot-dip galvanized square tube (1) for fixing, and the glue needs to be brushed uniformly; Step S33, after the glue is solidified, rivets (4) are used for reinforcement, the distance between the upper and lower rivets is about 0.5 m, the water level scale is staggered (3 rows of rivets are punched for 1 m of relay gauge, 2 rivets for one row), and the rivets are symmetrically punched to avoid deformation caused by unilateral stress; Step S34, the upper and lower ends of the hot-dip galvanized square tube (1) are polished and sealed; Step S35, ears (5) are welded and installed on both sides of the hot-dip galvanized square tube (1) from 50 mm away from the water surface, one row of ears (5) is arranged every 0.9 m, and 2 ears (5) are symmetrically arranged in each row, and then Φ8 mm expansion bolts are used to fix and install on the gate pier or wing wall; Step S36, checking the levelness, the deviation is ≤2 mm / m, and a gasket is added for adjustment if necessary; Step S37, high-strength epoxy glue or waterproof structural adhesive is used to fill the gap and pressurize and solidify; Step S38, scale calibration.

4. The method of claim 1, wherein the method further comprises: It further comprises installing a gauge camera, the gauge camera being installed on a fixed base opposite the gauge sheet (2); the gauge camera and the gauge sheet (2) are kept at a distance of two meters.

5. The method of claim 3, wherein the method further comprises: It further comprises post-installation acceptance: verticality detection: a plumb line is used for detection, and the deviation is ≤1 / 500. Scale accuracy: randomly selected 5 scale points, checked with level, error ≤ ± 5mm; firmness test: manual shaking of the water level sheet (2), check no loose, abnormal sound.

6. The method of installing the visual video step gauge water gauge mounting and fixing structure according to claim 3, characterized in that, Also includes functional testing: water simulation of a humid environment, check the water level sheet (2) scale clarity; night with a flashlight, test water level sheet (2) reflective coating visibility.

7. The method of claim 1, wherein the method further comprises: The hanging ear (5) is a right angle type, and one side is connected with the side wall of the hot-dip galvanized square tube (1) through welding.

8. The method of installing the visual video step gauge water gauge mounting and fixing structure according to claim 1, characterized in that, The water level sheet (2) is a stainless steel material plate.

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