CN115638948B - Building envelope comprehensive performance detection system and detection method - Google Patents
Building envelope comprehensive performance detection system and detection method Download PDFInfo
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- CN115638948B CN115638948B CN202211661685.5A CN202211661685A CN115638948B CN 115638948 B CN115638948 B CN 115638948B CN 202211661685 A CN202211661685 A CN 202211661685A CN 115638948 B CN115638948 B CN 115638948B
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Abstract
The invention discloses a system and a method for detecting the comprehensive performance of a building envelope structure. The detection system comprises: the detection box body comprises a box body frame, a test piece mounting platform and a platform lifting device, wherein the test piece mounting platform is mounted inside the box body frame, and the platform lifting device is connected with the test piece mounting platform; the fan pipeline system is used for communicating the fan with the interior of the detection box body; the surge valve is arranged at the other end of the box body frame, is communicated with the interior of the detection box body and is used for applying dynamic surge wind pressure to the interior of the detection box body; the edge locking device is arranged at the edge of the box body frame; and the rotation switching system is connected with the detection box body and is used for performing rotation operation on the detection box body by the rotating shaft so as to switch the horizontal or vertical posture of the detection box body. The invention realizes the function of comprehensively detecting the wind uncovering resistance of the building enclosure system and the like by applying stable or fluctuating wind pressure in the pressure tank body according to the detection program required in the standard.
Description
Technical Field
The invention relates to the field of performance detection of building roofs and wall surfaces, in particular to a system and a method for detecting comprehensive performance of a building envelope structure.
Background
In recent years, the building enclosure system has the damage accidents of local collapse, wind uncovering, local tearing and the like in the operation and use process, which causes great life and property loss, mainly caused by insufficient wind resistance bearing capacity of the enclosure system. With the continuous development of national economy, the safety and durability problems of the building enclosure system are concerned widely, the structure of the enclosure system is complex, the design and calculation difficulty is high, the structure bearing capacity cannot be calculated accurately, and the comprehensive performances of the building enclosure system such as wind uncovering resistance, air tightness, water tightness, shock resistance and the like are usually verified through tests.
However, at present, there are few detection devices for the comprehensive performance of a building enclosure system, many self-made devices are manufactured roughly, and the functions of detecting the wind uncovering resistance, air tightness, water tightness and impact resistance of the building enclosure system required in the standard cannot be realized, and there are few detection devices related to building curtain walls.
Disclosure of Invention
In view of the defects of the prior art, the invention mainly aims to provide a system and a method for detecting the comprehensive performance of a building envelope structure, which can detect the comprehensive performance of the building envelope structure, such as wind uncovering resistance, air tightness, water tightness, shock resistance and the like.
The technical scheme of the invention is as follows:
the invention firstly provides a building envelope comprehensive performance detection system, which comprises: the detection box comprises a box frame, a test piece mounting platform and a platform lifting device, wherein the box frame is hinged to a first fixing seat at one end of the box frame through a rotating shaft, the test piece mounting platform is mounted inside the box frame and used for fixing a test piece, and the platform lifting device is connected with the test piece mounting platform and used for controlling the mounting height of the test piece mounting platform; the fan pipeline system is used for communicating the fan with the interior of the detection box body and is used for introducing/extracting air pressure into/from the interior of the detection box body; the wave valve is arranged at the other end of the box body frame, is communicated with the inside of the detection box body and is used for applying dynamic wave wind pressure to the inside of the detection box body; the edge locking device is arranged at the edge of the box body frame and used for fixing and sealing the outer peripheral protection system of the test piece on the detection box body; and the rotation switching system is connected with the detection box body and is used for performing rotation operation on the detection box body by the rotating shaft so as to switch the horizontal or vertical posture of the detection box body.
In some embodiments, the box frame is provided with an L-shaped member around the upper edge thereof, the L-shaped member has an outward opening, one side of the L-shaped member is fixedly connected to the box frame, the other side of the L-shaped member horizontally forms a sealing surface, and a space is reserved outside the upper surface of the box frame.
In some embodiments, the overlock device is an overlock piece, the overlock piece is arranged on the L-shaped member at a certain interval along the periphery of the upper edge of the box frame, one side of the overlock piece is connected with the L-shaped member, and the other side of the overlock piece is fastened with a flexible material through a bolt to seal an outer peripheral protection system of the test piece.
In some embodiments, the test piece mounting platform is composed of a longitudinal beam and a transverse beam, two ends of the longitudinal beam are detachably connected and fixed with the box frame, two ends of the transverse beam are detachably connected and fixed with the longitudinal beam, when the detection box is vertically placed, the test piece is fixedly connected with the transverse beam, when the detection box is horizontally placed, the transverse beam is removed, and the test piece is fixedly connected with the longitudinal beam.
In some embodiments, the two ends of the longitudinal beam are detachably connected and fixed to the box frame by a platform fixing device, the platform fixing device includes a connecting beam and two connecting sections, the connecting beam is integrally formed into a door shape, the connecting beam is arranged in the box frame and connected to the box frame, one end of each connecting section is connected to the connecting beam by a fastening bolt, and the other end of each connecting section is connected to the end of the longitudinal beam by a fastening bolt.
In some embodiments, the platform lifting device comprises a threaded support rod, a fixed connecting plate, a fixing bolt, an adjusting connecting plate and an adjusting bolt, wherein one side of the fixed connecting plate is mounted at the top of the threaded support rod through the fixing bolt, the other side of the fixed connecting plate is fixedly connected with the box body frame, the adjusting connecting plate is adjustably mounted on the threaded support rod through an upper group of adjusting bolts and a lower group of adjusting bolts, and the adjusting connecting plate is connected with the test piece mounting platform.
In some embodiments, the blower duct system is disposed at the bottom of the detection box and includes a blower duct and a support base, the support base supports the blower duct, the air inlet of the blower duct is connected to the air outlet of the blower via a flange, and an axis of the air inlet of the blower duct is collinear with the rotation axis.
In some embodiments, the test box further comprises a spraying system, when the test box is horizontally placed, the spraying system is horizontally placed around the upper edge of the box frame, and when the test box is vertically placed, the spraying system is vertically fixed on the box frame and used for detecting the watertight performance of the test piece.
In some embodiments, the rotary switching system includes three rotary switching modes:
(1) The single-side hydraulic transmission shaft is switched in a rotating mode, the hydraulic transmission shaft is arranged on one side of the bottom of the detection box body and is hinged to the upper edge of the detection box body, and the detection box body rotates along the rotating shaft through the extension and contraction of the hydraulic transmission shaft;
(2) The hydraulic transmission shafts on the two sides are rotationally switched, the hydraulic transmission shafts are arranged on the bottom and one side of the top of the detection box body, the hydraulic transmission shafts are hinged with the upper edge of the detection box body, and the detection box body rotates along the rotating shafts through the extension or contraction of the hydraulic transmission shafts on the bottom and the contraction or extension of the hydraulic transmission shafts on the top;
(3) The pulley lifts by crane and rises to rise rotatory switching with fork truck detect the other suitable position installation pulley of box, drive the pulley through the motor, rotate to detecting the box and switch, simultaneously the keeping away from of detection box the articulated fork truck that installs in one end bottom of rotation axis plays to rise the frame, and cooperation fork truck realizes detecting the box and follows the rotation axis is rotatory.
The invention also provides a method for detecting the comprehensive performance of the building envelope by using the detection system, which comprises the following steps: s10: and (3) detecting the comprehensive performance of the building roof system: s101, operating the rotary switching system to switch the detection box body to be horizontally placed; s102, mounting a test piece on a test piece mounting platform of the detection box body, and connecting and fixing a structural layer of the test piece with a longitudinal beam of the test piece mounting platform; s103, adjusting the height of the test piece mounting platform by the platform lifting device to enable an outer protection system of the test piece to be lapped on the edge of the box body frame and locked and fixed by the edge locking device; s104, starting a fan, and applying stable static wind pressure to the detection box body by the fan pipeline system or simultaneously starting the fluctuating valve to apply dynamic fluctuating wind pressure to detect the static/dynamic wind uncovering resistance and the air tightness of the building roof system; s20: and (3) detecting the comprehensive performance of the building wall surface system: s201, operating the rotary switching system to switch the detection box body to be vertically placed; s202, connecting and fixing a structural layer of the test piece with a transverse beam of a test piece mounting platform, adjusting the mounting position of the transverse beam on a longitudinal beam to adjust the mounting height of the test piece, overlapping an outer protection system of the test piece on the edge of a box body frame, and locking and fixing the outer protection system of the test piece through a locking device; s203, the fan is started, and the fan pipeline system applies stable static wind pressure in the detection box body or simultaneously starts the fluctuation valve applies dynamic fluctuation wind pressure to detect the static/dynamic wind uncovering resistance and the air tightness of the building wall surface system or use a launcher to impact a test piece to detect the impact resistance of the test piece.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a building enclosure structure comprehensive performance detection system and a detection method, which mainly comprise components such as a sealed pressure box body frame, a fan pipeline system, a serging device, a test piece mounting platform, a fluctuating valve, a rotary switching system, a spraying system and the like, realize the function of detecting the building enclosure structure comprehensive performance by applying stable or fluctuating wind pressure in a pressure box body according to a detection program required in the standard, and at least have the following practical effects:
(1) The comprehensive performance detection equipment provided by the invention can detect the wind uncovering resistance of a building curtain wall structure, can detect a plurality of types of enclosure systems such as vertical building enclosure components (building wall surfaces, subway shielding doors, laminated glass and the like), daylighting roofs (skylights), sun-shading boards, building roofs and the like, and can realize the function of detecting the comprehensive performance of all building enclosure systems with standard requirements by matching with a spraying system, a shock resistance device, a concentration resistance device and the like.
(2) According to the comprehensive performance detection equipment provided by the invention, the horizontal or vertical form switching of the detection equipment is realized through the rotary switching system, and the rotary switching function of the detection equipment is realized through the auxiliary correction of internal device components. When the detection equipment is in a horizontal placement state, the static/dynamic wind uncovering resistance, the air tightness and the water tightness of the building roof system can be detected, and when the detection equipment is in a vertical placement state, the static/dynamic wind uncovering resistance, the air tightness, the water tightness and the impact resistance of the building wall system can be detected.
It should be understood that the implementation of any embodiment of the present invention does not imply that many or all of the above-described advantages are simultaneously achieved or attained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, shall fall within the scope covered by the technical contents disclosed in the present invention.
FIG. 1 is a schematic view of an overall structure of a detection system according to an embodiment of the present invention;
FIG. 2 is a schematic view of another perspective of the inspection system according to one embodiment of the present invention;
FIG. 3 is a schematic view of another perspective of the inspection system according to one embodiment of the present invention;
FIG. 4 is a schematic structural view of a platform fixing device according to an embodiment of the present invention;
FIG. 5 is a schematic view of a cross-beam connection structure according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a platform lifting device according to an embodiment of the present invention;
FIG. 7 is a schematic view of a spray system according to one embodiment of the present invention;
FIG. 8 is a schematic view of a rotary switching apparatus according to an embodiment of the present invention, wherein (a) is horizontally disposed, (b) is in a rotary switching process, and (c) is vertically disposed;
FIG. 9 is a schematic diagram of a second mode of the rotary switch device according to one embodiment of the present invention, wherein (a) is horizontally disposed, (b) is in the process of rotary switching, and (c) is vertically disposed;
fig. 10 is a schematic view of a third mode of the rotary switching device according to an embodiment of the present invention, in which (a) is disposed horizontally, (b) is a rotary switching process, and (c) is disposed vertically.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the embodiments and the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be understood that the terms "comprises/comprising," "consists of … …," or any other variation, are intended to cover a non-exclusive inclusion, such that a product, apparatus, process, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product, apparatus, process, or method if desired. Without further limitation, an element defined by the phrases "comprising/including … …" and "consisting of … …" does not exclude the presence of additional identical elements in a product, apparatus, process or method that comprises the element.
It will be further understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship as shown in the drawings, which is meant only to facilitate describing the invention and to simplify the description, and do not indicate or imply that the referenced device, component, or structure must have a particular orientation, be constructed or operated in a particular orientation, and is not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The following detailed description of the implementations of the invention refers to the accompanying drawings.
Referring to fig. 1 to fig. 8, the system for detecting the comprehensive performance of a building envelope provided by the present invention mainly comprises: the detection box body 1, the fan pipeline system 2, the surge valve 3, the serging device 4 and the rotary switching system 5 can be used for realizing the function of detecting the comprehensive performance of all building enclosure systems required by standards according to the detection program required by the standards.
In the invention, the detection box body 1 comprises a box body frame 10, a test piece mounting platform 11 and a platform lifting device 12. The box frame 10 can adopt a rectangular or square box structure, and a closed space is formed inside the box frame to form wind pressure and simulate sealing performance; the fan pipeline system 2 is used for communicating a fan with the interior of the detection box body 1 and is used for introducing/extracting wind pressure into/from the interior of the detection box body 1; the wave valve 3 is arranged at the other end of the box body frame 10, is communicated with the interior of the detection box body 1 and is used for applying dynamic wave wind pressure to the interior of the detection box body 1; the serging device 4 is arranged at the edge of the box body frame 10 and used for fixing and sealing the outer peripheral protection system of the test piece on the detection box body 1; the rotation switching system 5 is connected with the detection box body 1 and is used for performing rotation operation on the detection box body 1 so as to switch the horizontal or vertical posture of the detection box body 1.
The box body frame 10 adopted by the invention mainly comprises a horizontal structure frame, a vertical structure frame and a side plate, wherein the side plate is provided with a visible window 13, the visible window 13 can be opened, an installer enters from the visible window 13 to install a detection sample, and the internal condition of the detection sample is convenient to observe during detection.
For rotation, the casing frame 10 is hinged at one end thereof to the first fixed seat 6 by a rotation axis a, so as to detect the switching state of the casing 1 under the action of the rotation switching system 5. The cabinet frame 10 is mounted at one end thereof, i.e., the left upper end as viewed in fig. 1, and supported by the first fixing base 6.
In the invention, a test piece mounting platform 11 is mounted inside a box body frame 10 and used for fixing a structural layer of a test piece, wherein the test piece is a sample to be detected, and a platform lifting device 12 is connected with the test piece mounting platform 11 and used for controlling the mounting height of the test piece mounting platform 11 so as to adapt to different detection samples and mount the detection samples at different positions in a box body.
As shown in fig. 1, the test piece mounting platform 11 is composed of a longitudinal beam 111 and a transverse beam 112, two ends of the longitudinal beam 111 are detachably connected and fixed with the box frame 10, two ends of the transverse beam 112 are detachably connected and fixed with the longitudinal beam 111, and the longitudinal beam 111 and the transverse beam 112 may be made of i-steel or channel steel.
With reference to fig. 2, during detection, a detection sample is placed on the test piece mounting platform 11, the detection box body is vertically placed for a wall surface enclosure system, the test piece is fixedly connected with the transverse beam 112, the detection box body is horizontally placed for a roof surface enclosure system, the transverse beam 112 is removed at the moment, and the test piece is directly placed on the longitudinal beam 111 and fixedly connected with the longitudinal beam.
Referring to fig. 1 and 4, the two ends of the longitudinal beam 111 are detachably connected and fixed to the tank frame 10 by a platform fixing device, the platform fixing device includes a connecting beam 113 integrally formed in a door shape and two connecting sections 114, the connecting beam 113 is disposed in the tank frame 10 and connected to the tank frame 10, one end of each of the two connecting sections 114 is connected to the connecting beam 113 by a fastening bolt 115, and the other end is connected to the end of the longitudinal beam 111 by a fastening bolt 115.
Referring to fig. 5, the end of the transverse beam 112 is connected and fixed to the longitudinal beam 111 through a connecting block 116 and an L-shaped fixing member 117, the connecting block 116 is located inside the longitudinal beam 111, the L-shaped fixing member 117 is connected and fixed to the transverse beam 112 through a bolt, the connecting block 116 and the L-shaped fixing member 117 clamp the edge of the C-shaped longitudinal beam 111 from the upper and lower portions, respectively, and then are fastened through the bolt, when the device is placed vertically, if it is necessary to adjust the installation height of the transverse beam 112 on the longitudinal beam 111, the bolt is loosened, and the positions of the connecting block 116 and the L-shaped fixing member 117 are moved.
For the wall surface enclosure system, the detection box body is vertically arranged, two ends of a longitudinal beam 111 of the test piece mounting platform 11 are connected with two connecting sections 114 of the platform fixing device, the weight of the test piece mounting platform is supported, overturning is prevented, the position of the test piece mounting platform is fixed at the moment, the connecting strength of the test piece mounting platform 11 can be improved, and the lateral force on the platform lifting device 12 is reduced. Because the transverse beam 112 and the longitudinal beam 111 can be detached, the position of the transverse beam 112 on the longitudinal beam 111 can be adjusted to adjust the mounting height of the test piece, the detection box body is horizontally placed for the roof enclosure system, the fastening bolts 115 on the two connecting sections 114 are detached at the moment, the two ends of the longitudinal beam 111 of the test piece mounting platform 11 are separated from the two connecting sections 114 of the platform fixing device, the weight of the test piece mounting platform is supported through the platform lifting device, and the mounting height of the test piece is adjusted.
As shown in fig. 6, the platform lifting device 12 of the present invention includes a threaded support rod 121, a fixed connection plate 122, a fixed bolt 123, an adjusting connection plate 124 and an adjusting bolt 125, wherein one side of the fixed connection plate 122 is mounted on the top of the threaded support rod 121 through the fixed bolt 123, specifically, the side of the fixed bolt 123 is welded to the fixed connection plate 122, the other side is connected and fixed to the box frame 10, meanwhile, the bottom of the threaded support rod 121 can be connected and fixed to the bottom structure through another bolt to ensure the stability of the whole threaded support rod 121, the adjusting connection plate 124 is adjustably mounted on the threaded support rod 121 through two sets of upper and lower adjusting bolts 125, specifically, the positions of the two sets of upper and lower adjusting bolts 125 on the threaded support rod 121 are screwed, and the adjusting connection plate 124 is connected to the test piece mounting platform 11. Stiffening ribs 126 may be added to the bottom of the tuning joint plate 124 to increase its support strength. The platform lifting device 12 is fixed with the detection box body, and when the detection equipment is horizontally placed, the installation height of the horizontal test piece structure layer can be adjusted through the device. The platform lifting device 12 can be fixed with the detection box body through a connecting bolt at the bottom.
Referring to fig. 3 again, the overlock device 4 of the present invention adopts an overlock member disposed around the upper edge of the case frame 10 at a certain interval, one edge of the overlock member is connected to the upper edge of the case frame 10, and the other edge of the overlock member fastens a flexible material through a bolt to seal the outer peripheral protection system of the test piece. With the help of the lockstitching device 4 in the form of a hem piece, one end of the hem piece facilitates fastening of a flexible material to seal the outer enclosure system of the test piece. The hem piece can adopt L type narrow limit angle steel, and bolt fastening is passed through at one end and is fixed in box frame 10 upper edge, and the other end passes through the flexible material of bolt fastening equally.
In the invention, the periphery of the upper edge of the box body frame 10 is provided with the L-shaped component 14, one side of the L-shaped component 14 is fixedly connected with the box body frame 10, and the other side horizontally forms a closed sealing surface for fastening and sealing the outer protection system of the test piece on the horizontal sealing surface when the edge folding piece fastens the flexible material through the bolt.
As the opening of the 3,L type member 14 in fig. 1 to fig. 5363 is outward, a certain space is reserved outside the upper surface of the box frame 10, and if it is necessary to supplement the upper detection box subsequently, the connection and fixation of the upper detection box are facilitated. For this purpose, the present invention further provides a plurality of sets of upper tank sealing devices 15 spaced apart from each other on the upper edge of the tank frame 10 to seal the butt joints when the upper and lower tanks are connected and fixed. Each set of upper box seals 15 may be two small steel plates placed opposite each other.
In addition, the end of the casing frame 10 opposite to the rotation axis is provided with a hanging point 16 for facilitating the connection with a crane or a pulley in the subsequent rotation.
The invention further arranges stiffening ribs at the positions of the mounting folding parts of the L-shaped components to improve the overall strength.
Referring to fig. 1 and 3 again, the blower duct system 2 is disposed at the bottom of the detection box 1, the air inlet 23 is connected to the blower outlet via a flange, and the axis of the air inlet 23 is collinear with the rotation axis a. The fan passes through the pipeline and is connected with the detection box, and 23 positions of pipeline air intake and rotation axis A are on same water flat line, and the rotatory in-process of equipment only needs dismantle flange bolt temporarily, and the flange joint bolt of rotatory pipeline air intake and fan air outlet, the hookup location of pipeline and fan need not be adjusted, rotatory back fastening flange joint bolt can.
The fan duct system 2 is specifically composed of a fan duct 21 and a support base 22, and the support base 22 supports the fan duct 21. The support base supports the fan pipeline system, and when the equipment is horizontally placed, the support base supports the fan pipeline. When the equipment is vertically placed, the fan pipeline system is connected with the box body frame through the hoop, and reliable connection of the fan pipeline system is guaranteed.
With continued reference to fig. 1 and 2, in the present invention, a second fixing seat 7 is further disposed on the same side of the first fixing seat 6, but is further away from the detection box 1, for supporting the detection box when the detection box is vertically placed, and a bolt may be correspondingly disposed on the box frame 10 or the second fixing seat 7, so as to fix the box frame 10 on the second fixing seat 7 through the bolt connection, thereby ensuring the stability of the detection box when vertically placed.
In the invention, the first fixing seat 6 and the second fixing seat 7 can be provided with an anchoring pile or an earth anchor structure on the test ground, and the upper support plate is supported by the anchoring pile or the earth anchor structure so as to ensure that the weight of the whole device is sufficiently borne.
With continued reference to fig. 7, the detection system of the present invention further includes a spraying system 8, and the spraying system 8 is used for spraying water and pressurizing to the test piece to detect the water tightness of the test piece. When the detection box body is horizontally placed, the spraying system 8 is horizontally placed around the upper edge of the box body frame 10, and when the detection box body is vertically placed, the spraying system is vertically fixed on the box body frame and used for detecting the watertight performance of the test piece.
In the present invention, the spraying system 8 comprises a water inlet 81, a grid-shaped spraying frame 82 matched with the plane shape of the box body frame, and a nozzle system 83 distributed on the grid-shaped spraying frame.
The spraying system and the detection box body are cooperatively used, when the detection equipment is horizontally placed, the spraying system is placed around the L-shaped member, when the detection equipment is vertically placed, the detection equipment is fixed on the detection box body, the watertight performance of a detection sample can be detected, a water tank and a water pump are used for introducing water into a latticed spraying frame 82 from a water inlet 81, a nozzle system 83 is opened, the detection sample is sprayed according to a detection method of a standard requirement, and the interval of the nozzle system 83 and the size of spray liquid drops are arranged and adjusted according to the standard requirement.
With continued reference to fig. 8-10, three rotational switching modes of the rotational switching system of the present invention are disclosed to effect rotational switching of the horizontal and vertical placement of the test cassette.
As shown in fig. 8, a rotation switching mode is shown, that is, the single-side hydraulic transmission shaft is switched in rotation, one side of the bottom of the detection box body is provided with the hydraulic transmission shaft 51, the hydraulic transmission shafts are arranged in two groups, the hydraulic transmission shafts are symmetrically arranged on two sides of the detection box body and are hinged with the upper edge of the detection box body, and the detection box body is rotated along the rotation shaft through the extension and contraction of the hydraulic transmission shafts. When the device is vertically placed, the hydraulic transmission shaft extends to the maximum position to detect the comprehensive performance of the building wall surface, and the hydraulic transmission shaft retracts to the shortest position to detect the comprehensive performance of the building roof.
For the rotation switching mode of the single-side hydraulic transmission shaft, the vertical upward force F can be provided by the aid of a crane at the top of the detection box body, so that the whole device can rotate smoothly.
The hydraulic transmission shaft can adopt a hydraulic oil cylinder, and the bottom end of the hydraulic transmission shaft is hinged to the ground so as to facilitate the rotation of the detection box body at a certain angle in the rotating process.
Referring to fig. 9, another rotation switching mode is shown, that is, the double-sided hydraulic transmission shaft is rotated and switched, the hydraulic transmission shafts 51 are provided at both the bottom and top sides of the inspection box, the hydraulic transmission shafts are hinged to the upper edge of the inspection box, and the inspection box is rotated along the rotation shafts by extending or contracting the bottom hydraulic transmission shafts and by contracting or extending the top hydraulic transmission shafts.
Referring to fig. 10, there is shown another rotation switching mode, that is, pulley lifting and forklift lifting rotation switching, if there is a fixed point capable of bearing the weight of the equipment at the equipment assembling position, a pulley 52 is installed at a suitable position near the detection box, a motor control system can be operated, the pulley 52 is driven by a motor to perform rotation switching on the detection box, and a forklift lifting frame 53 is installed at the bottom of one end of the detection box far from the rotation axis, so that rotation of the detection box along the rotation axis can be realized in cooperation with the forklift. The fork truck plays to rise 53 articulated the installing in the bottom that detects the box, and rectangle fork truck plays to rise the frame and is connected with the fork truck arm, is convenient for in coordination with the rotatory angular variation who switches in-process fork truck arm of equipment.
The invention further arranges a vertical baffle plate 54 on the ground at one side of the top of the detection box body to prevent the equipment from overturning accidentally, and the inner side of the baffle plate can be provided with a flexible material, such as a rubber gasket, to reduce the impact on the equipment.
The implementation method of the detection system for detecting the comprehensive performance of the building envelope mainly comprises two parts, namely the comprehensive performance detection of a building roof system and the comprehensive performance detection of a building wall surface system, and specifically comprises the following steps:
s10: and (3) detecting the comprehensive performance of the building roof system:
s101, operating a rotary switching system to switch a detection box body to be horizontally placed;
s102, mounting a test piece on a test piece mounting platform of the detection box body, and connecting and fixing a structural layer of the test piece with a longitudinal beam of the test piece mounting platform; at the moment, a transverse beam is not needed, and the structural layer of most roof test pieces is more conveniently connected with a longitudinal beam;
s103, adjusting the mounting height of the test piece mounting platform by the platform lifting device to enable an outer peripheral system of the test piece to be lapped on the L-shaped member and locked and fixed by the locking piece;
s104, starting a fan, applying stable static wind pressure into the detection box body by a fan pipeline system, or simultaneously starting a fluctuation valve, applying dynamic fluctuation wind pressure, and detecting the static/dynamic wind uncovering resistance and the air tightness of the building roof system according to a standard detection method;
s105, opening a spraying system, spraying the detection sample by using a nozzle system, and detecting the static/dynamic watertight performance of the building roof system;
s20: and (3) detecting the comprehensive performance of the building wall surface system:
s201, operating a rotary switching system to switch the detection box body to be vertically placed;
s202, connecting and fixing a structural layer of the test piece with a transverse beam of a test piece mounting platform, adjusting the connecting position of the transverse beam on a longitudinal beam to adjust the mounting height of the test piece, and sealing and fixing an outer protection system of the test piece with an L-shaped member;
s203, starting a fan, applying stable static wind pressure to the interior of the detection box body by a fan pipeline system, or simultaneously starting the fluctuating valve to apply dynamic fluctuating wind pressure, and detecting the static/dynamic wind uncovering resistance and the air tightness of the building wall surface system according to a standard detection method; or the test piece is impacted by the projectile to detect the shock resistance of the test piece;
and S204, opening a spraying system, spraying the detection sample by using a nozzle system, and detecting the static/dynamic watertight performance of the building wall surface system.
As is obvious from the above description, the comprehensive performance detection device provided by the invention comprises a detection box body and a rotary switching system, and a fan, a control device, a display device and a measuring device which are required for realizing the detection function are arranged according to specific conditions. The fan and the wave valve are controlled through the control equipment, dynamic and static wind-resistant uncovering performance and air tightness performance tests are carried out on the building enclosure system sample, the spray frame is installed, and water tightness performance tests are carried out on the building enclosure system sample. Parameters such as air flow, pressure in the box body, sample deflection and the like in the detection process can be measured and displayed in real time through measuring equipment such as a flowmeter, a pressure acquisition device, a deflection measuring device and the like. According to the field application conditions, the rotary switching system with the mode I, the mode II and the mode III is selected to rotationally switch the detection device, so that the detection requirements of different samples are met, the functions of the detection equipment are expanded, and the utilization efficiency of the detection equipment is improved.
It will be readily appreciated by those skilled in the art that the various preferences described above may be freely combined, superimposed without conflict.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the invention is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. The utility model provides a building envelope comprehensive properties detecting system, building envelope includes building roofing system and building wall system, its characterized in that, this detecting system includes:
the detection box comprises a box frame, a test piece mounting platform and a platform lifting device, wherein the box frame is hinged to a first fixing seat at one end of the box frame through a rotating shaft, the test piece mounting platform is mounted inside the box frame and used for fixing a test piece, and the platform lifting device is connected with the test piece mounting platform and used for controlling the mounting height of the test piece mounting platform so as to mount the test piece at different positions in the box frame; the test piece mounting platform consists of a longitudinal beam and a transverse beam, two ends of the longitudinal beam are detachably connected and fixed with the box body frame, two ends of the transverse beam are detachably connected and fixed with the longitudinal beam, when the detection box body is vertically placed, the test piece is fixedly connected with the transverse beam, when the detection box body is horizontally placed, the transverse beam is detached, and the test piece is fixedly connected with the longitudinal beam;
the fan pipeline system is used for communicating the fan with the interior of the detection box body and is used for introducing/extracting wind pressure into/from the interior of the detection box body;
the surge valve is arranged at the other end of the box body frame, is communicated with the interior of the detection box body and is used for applying dynamic surge wind pressure to the interior of the detection box body;
the edge locking device is arranged at the edge of the box body frame and used for fixing and sealing the outer peripheral protection system of the test piece on the detection box body;
and the rotation switching system is connected with the detection box body and is used for performing rotation operation on the detection box body by the rotating shaft so as to switch the horizontal or vertical posture of the detection box body.
2. The detection system of claim 1, wherein:
the box body frame is characterized in that L-shaped components are arranged on the periphery of the upper edge of the box body frame, the openings of the L-shaped components are outward, one side of each L-shaped component is fixedly connected with the box body frame, the other side of each L-shaped component is horizontally formed into a sealing surface, and a certain space is reserved outside the upper surface of the box body frame.
3. The detection system of claim 2, wherein:
the overlock device is a folded piece, the folded piece is arranged on the L-shaped component at a certain interval along the periphery of the upper edge of the box body frame, one side of the folded piece is connected with the L-shaped component, and the other side of the folded piece is fastened with a flexible material through bolts to seal a peripheral protection system of the test piece.
4. The detection system of claim 1, wherein:
the two ends of the longitudinal beam are detachably connected and fixed with the box body frame through the platform fixing device, the platform fixing device comprises a connecting beam and two connecting sections which are integrally formed into a door shape, the connecting beam is arranged in the box body frame and connected with the box body frame, one end of each connecting section is connected with the connecting beam through a fastening bolt, and the other end of each connecting section is connected with the end part of the longitudinal beam through a fastening bolt.
5. The detection system of claim 1, wherein:
the platform lifting device comprises a threaded support rod, a fixed connecting plate, a fixing bolt, an adjusting connecting plate and an adjusting bolt, wherein one side of the fixed connecting plate is installed at the top of the threaded support rod through the fixing bolt, the other side of the fixed connecting plate is fixedly connected with the box body framework, the adjusting connecting plate is adjustably installed on the threaded support rod through an upper adjusting bolt and a lower adjusting bolt, and the adjusting connecting plate is connected with the test piece installing platform.
6. The detection system of claim 1, wherein:
fan pipe-line system arranges in the bottom that detects the box, including fan pipeline and support base, support base support fan pipeline, the air intake and the fan air outlet of fan pipeline pass through flange joint, and the air intake axis of fan pipeline with the rotation axis collineation.
7. The detection system of claim 1, wherein:
the test box is characterized by further comprising a spraying system, when the test box is horizontally placed, the spraying system is horizontally placed around the upper edge of the box frame, and when the test box is vertically placed, the spraying system is vertically fixed on the box frame and used for detecting the watertight performance of the test piece.
8. The detection system of claim 1, wherein:
the rotary switching system comprises three rotary switching modes:
(1) The single-side hydraulic transmission shaft is switched in a rotating mode, the hydraulic transmission shaft is arranged on one side of the bottom of the detection box body and is hinged to the upper edge of the detection box body, and the detection box body rotates along the rotating shaft through the extension and contraction of the hydraulic transmission shaft;
(2) The hydraulic transmission shafts on the two sides are rotationally switched, the hydraulic transmission shafts are arranged on the bottom and one side of the top of the detection box body, the hydraulic transmission shafts are hinged with the upper edge of the detection box body, and the detection box body rotates along the rotating shafts through the extension or contraction of the hydraulic transmission shafts on the bottom and the contraction or extension of the hydraulic transmission shafts on the top;
(3) The pulley lifts by crane and rises to rise rotatory switching with fork truck detect the other suitable position installation pulley of box, drive the pulley through the motor, rotate to detecting the box and switch, simultaneously the keeping away from of detection box the articulated fork truck that installs in one end bottom of rotation axis plays to rise the frame, and cooperation fork truck realizes detecting the box and follows the rotation axis is rotatory.
9. A method for detecting the overall performance of a building envelope using the detection system of any one of claims 1 to 8, comprising:
s10: and (3) detecting the comprehensive performance of the building roof system:
s101, operating the rotary switching system to switch the detection box body to be horizontally placed;
s102, mounting a test piece on a test piece mounting platform of the detection box body, and connecting and fixing a structural layer of the test piece with a longitudinal beam of the test piece mounting platform;
s103, adjusting the height of the test piece mounting platform by the platform lifting device to enable an outer protection system of the test piece to be lapped on the edge of the box body frame and locked and fixed by the edge locking device;
s104, starting a fan, and applying stable static wind pressure to the detection box body by the fan pipeline system or simultaneously starting the fluctuating valve to apply dynamic fluctuating wind pressure to detect the static/dynamic wind uncovering resistance and the air tightness of the building roof system;
s20: and (3) detecting the comprehensive performance of the building wall surface system:
s201, operating the rotary switching system to switch the detection box body to be vertically placed;
s202, connecting and fixing a structural layer of the test piece with a transverse beam of a test piece mounting platform, adjusting the mounting position of the transverse beam on a longitudinal beam to adjust the mounting height of the test piece, overlapping an outer protection system of the test piece on the edge of a box body frame, and locking and fixing the outer protection system of the test piece through a locking device;
s203, start the fan, by fan pipe-line system applys stable static wind pressure in to the detection case, or start simultaneously the surge valve applys dynamic fluctuation wind pressure, carries out the static/dynamic anti-wind of building wall system and takes off performance, air tightness and detect, perhaps uses the transmitter to strike the test piece, carries out shock resistance to the test piece and detects.
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