Stone curtain wall bearing capacity field testing device

Abstract

The utility model provides a stone curtain wall bearing capacity on-site testing device, which comprises a loading sucker used for adsorbing a to-be-tested stone curtain wall; one end of the tension meter is connected with the loading sucker; the electric pull rod is connected with the other end of the tension meter; the counter-force frame stretches across the two sides of the stone curtain wall to be tested, and the electric pull rod is fixed to the counter-force frame; the electric pull rod is fixed on the reaction frame and applies tension to the tension meter, and the tension meter pulls the loading sucker to test the stone curtain wall to be tested; the two sides of the counter-force frame are each provided with a fixed suction cup. The device further comprises a remote controller used for controlling the electric pull rod. The stone curtain wall bearing capacity field testing device has the remarkable advantages of nondestructive testing, high efficiency, comprehensiveness, simplicity and convenience in operation, strong adaptability, scientificity, accuracy, safety guarantee and the like, effectively overcomes the defects in the prior art, and provides an advanced and practical solution for safety detection of a stone curtain wall.

Description

Technical Field

[0001] The utility model relates to the technical field of building testing equipment, in particular to an on-site testing device for the bearing capacity of a stone curtain wall. Background Art

[0002] Stone curtain walls, a key element in modern architectural design, are widely used for their aesthetics, durability, and decorative qualities. However, over time and under the influence of environmental factors, stone curtain walls may pose safety hazards due to design flaws, improper installation, or material aging. These hazards, in particular, include the risk of partial or complete detachment, posing a serious threat to public safety. Traditional testing methods typically involve on-site sampling and laboratory analysis, including inspections of the stone, keel specifications, installation quality, and connection strength. These tests are not only costly but also require disassembly and laboratory testing of samples. This cumbersome process can miss potential issues, making comprehensive non-destructive testing impossible and hindering the efficient identification of all safety hazards.

[0003] Deficiencies of existing technology:

[0004] 1. High cost and high resource consumption: Traditional stone curtain wall testing requires physical disassembly of samples and sending them to the laboratory for strength testing. This process involves high material costs, labor costs and time costs, and disassembly and restoration add additional costs.

[0005] 2. Limited detection coverage: The nature of sampling inspection determines that it can only reflect the situation of the inspected part, cannot guarantee the safety of all areas, has the risk of "missed inspection", and cannot comprehensively evaluate the stability of the entire curtain wall system.

[0006] 3. Destructive testing: Laboratory testing often requires the destruction of samples, which runs counter to the current trend of non-destructive testing and affects the integrity of the building and its subsequent normal use.

[0007] 4. Complex and inefficient operations: The multi-step process from sample selection to laboratory analysis is complex and time-consuming, which reduces detection efficiency and is not conducive to rapid response and handling of potential risks.

[0008] Therefore, the existing technology has deficiencies and needs further improvement. Utility Model Content

[0009] In view of the problems existing in the prior art, the utility model provides a device for on-site testing the bearing capacity of a stone curtain wall.

[0010] To achieve the above purpose, the specific solutions of the present utility model are as follows:

[0011] The utility model provides a stone curtain wall bearing capacity on-site testing device, comprising:

[0012] Loading suction cup, used to absorb the stone curtain wall to be tested;

[0013] A dynamometer, one end of which is connected to the loading suction cup;

[0014] An electric pull rod connected to the other end of the dynamometer;

[0015] The reaction frame spans across both sides of the stone curtain wall to be tested, and the electric pull rod is fixed on the reaction frame;

[0016] The electric pull rod is fixed on the reaction frame and applies tension to the dynamometer, and the dynamometer pulls the loading suction cup to test the stone curtain wall to be tested.

[0017] Furthermore, a fixed suction cup is provided on each side of the reaction frame, and the reaction frame is adsorbed on both sides of the stone curtain wall to be tested through the fixed suction cup.

[0018] Furthermore, the device also includes a remote controller for controlling the electric pull rod.

[0019] Furthermore, a camera is provided on the reaction frame for observing the tension value indicated by the dynamometer.

[0020] Furthermore, the reaction frame is made of aluminum alloy profile.

[0021] Furthermore, the reaction frame includes a crossbeam and a support column;

[0022] Two supporting columns are vertically arranged at both ends of the beam, and the fixed suction cup is arranged at the lower end of the supporting column through a connecting piece;

[0023] The support columns are vertically arranged on both sides of the stone curtain wall to be tested;

[0024] By adjusting the installation position of the support columns and the beam, the span of the two support columns can be adjusted.

[0025] Furthermore, the cross beams and support columns are both arranged in parallel using double rods.

[0026] Furthermore, the cross beams arranged side by side and the support columns arranged side by side are connected by connecting rods.

[0027] The technical solution of the present invention has the following beneficial effects:

[0028] 1. Significantly reduce costs and improve efficiency: The device does not require disassembly of the stone panels, greatly reducing the high cost and time consumption caused by disassembly and assembly in traditional detection methods, improving detection efficiency, and also reducing interference and damage to the building structure.

[0029] 2. Enhance comprehensive testing capabilities: Through direct on-site testing, comprehensive coverage of the bearing capacity of stone curtain walls is achieved, avoiding safety hazards that may be missed in sampling testing, improving the accuracy and reliability of testing, and helping to prevent safety accidents involving stone curtain walls and protect people’s lives and property.

[0030] 3. Flexible and adaptable: The reaction frame is made of aluminum alloy profiles, with a light structure and high strength. Its double-rod side-by-side design and adjustable spacing between beams and support columns enable the device to adapt to stone curtain walls of different sizes and shapes, enhancing its practicality and versatility.

[0031] 4. Easy operation and remote monitoring: Equipped with a remote control to control the loading force of the electric pull rod, and a camera to monitor the dynamometer reading in real time, the test process is both simple and safe. Operators can perform remote control and observation from a safe distance, reducing the risk of on-site operations.

[0032] 5. Scientific testing procedures: Detailed test force calculation methods formulated according to relevant national standards, wind loads and seismic loads are simulated in stages to ensure the scientificity and accuracy of the test results, providing strong data support for the design and maintenance of stone curtain walls.

[0033] 6. Enhanced on-site safety: A series of protective measures taken during the test, such as cleaning the stone surface, setting up fences, and connecting safety ropes, further improve the safety of the inspection work and ensure the safety of the operators and the surrounding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a design drawing of the test device of the utility model;

[0035] In the picture:

[0036] 1. Loading suction cup; 2. Tension gauge; 3. Electric pull rod;

[0037] 4. Fixed suction cup; 5. Remote control; 6. Camera;

[0038] 7. Crossbeam; 8. Support column; 9. Connecting piece; 10. Connecting rod. DETAILED DESCRIPTION

[0039] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0040] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0041] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0042] In the description of this embodiment, terms such as "upper," "lower," "front," "rear," "left," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0043] Combine Figure 1 As shown, the utility model provides a stone curtain wall bearing capacity on-site testing device, comprising:

[0044] Loading suction cup 1, used to absorb the stone curtain wall to be tested;

[0045] A dynamometer 2, one end of which is connected to the loading suction cup 1;

[0046] The electric pull rod 3 is connected to the other end of the dynamometer 2;

[0047] The reaction frame spans across both sides of the stone curtain wall to be tested, and the electric pull rod 3 is fixed on the reaction frame;

[0048] The electric pull rod 3 is fixed on the reaction frame and applies tension to the dynamometer 2 , and the dynamometer 2 pulls the loading suction cup 1 to test the stone curtain wall to be tested.

[0049] A fixed suction cup 4 is respectively provided on both sides of the reaction frame, and the fixed suction cups 4 are adsorbed on both sides of the stone curtain wall to be tested.

[0050] The device further comprises a remote controller 5 for controlling the electric pull rod 3 .

[0051] The reaction frame is also provided with a camera 6 for observing the tension value indicated by the dynamometer 2 .

[0052] The reaction frame is made of aluminum alloy profile.

[0053] The reaction frame includes a crossbeam 7 and a support column 8;

[0054] Two support columns are vertically arranged at both ends of the crossbeam 7, and the fixed suction cup 4 is arranged at the lower end of the support column through the connecting piece 9;

[0055] The support columns are vertically arranged on both sides of the stone curtain wall to be tested;

[0056] By adjusting the installation positions of the support columns and the crossbeam 7, the span of the two support columns can be adjusted.

[0057] The cross beam 7 and the support column are both arranged in parallel with double rods.

[0058] The cross beams 7 and the support columns arranged side by side are connected by connecting rods 10 . Specific embodiment:

[0060] With the development of the economy, building curtain walls have been widely used in architecture. Stone curtain walls are a type of building curtain wall. Stone panels are connected to metal keels through metal hangers and then fixed to the outside of the main structure of the building to form the facade of the building. They are beautiful, rich in shape, and not easy to deform. They are used in both residential and public buildings.

[0061] Due to improper design and installation, as well as aging materials, stone curtain walls may experience partial or complete detachment, posing a significant threat to the safety of people's lives and property. Therefore, testing stone curtain walls and promptly identifying potential safety hazards will significantly reduce the probability of accidents and contribute to urban safety.

[0062] For on-site inspection of stone curtain walls, it is generally on-site sampling inspection. The main contents of the inspection are on-site inspection and sampling laboratory inspection. The on-site inspection includes: the specifications of stone and keel, the installation of stone, the keel itself and the connection with the main structure; the laboratory inspection includes: stone bending strength test, hanging strength test. The above tests are generally sampling demolition inspections. The demolition and restoration costs are high, and there are loopholes in sampling inspections, and it is impossible to fully find out all the hidden dangers of stone curtain walls.

[0063] The utility model aims to provide a stone curtain wall bearing capacity on-site testing device to solve the problems of high testing cost and difficulty in full coverage in existing testing methods.

[0064] A stone curtain wall bearing capacity on-site testing device mainly consists of:

[0065] It consists of a fixed suction cup 4, a loading suction cup 1, a reaction frame, a dynamometer 2, and an electric pull rod 3. When in use, two fixed suction cups 4 are adsorbed on two adjacent stones of the stone panel to be tested to form a reaction frame, and the loading suction cup 1 is adsorbed on the stone panel to be tested. The electric pull rod 3 is controlled by the remote control 5 to load the force value. The camera 6 can monitor the changes in the display value of the dynamometer 2 in real time, and then complete the specific force value test remotely.

[0066] Compared with existing testing methods, the present invention has the following advantages: it solves the problems of high testing costs and difficulty in achieving full coverage. It provides an on-site testing device for the bearing capacity of stone curtain walls. This device does not require the removal of stone panels, is convenient for testing, and has a wide range of applications. It can fully cover the on-site bearing capacity of stone, thereby minimizing the probability of stone curtain wall accidents.

[0067] 1. Test force calculation, test loading is divided into three stages:

[0068] 1) Standard value of wind load

[0069] ωk=βgz·μs1·μz·ω0

[0070] The first stage loading force F1=ωk·S

[0071] Wind load standard value = gust coefficient × local shape coefficient × height coefficient × basic wind pressure (calculated according to the Code for Loads on Building Structures GB50009-2012)

[0072] S is the area of stone panel

[0073] 2) Wind load design value (excluding earthquake load)

[0074] The second stage loading force F2=1.5·F1

[0075] 3) Wind load design value (superposition of wind load and earthquake load)

[0076] The third stage loading force F3=(1.5·ωk+1.4·0.5·qek)·S

[0077] Standard value of earthquake load q ek =5·α max ·q gk (Calculated according to the Code for Seismic Design of Buildings GB50011-2010 (2016 Edition))

[0078] The duration of each stage is initially set at 30 seconds.

[0079] 2. Adjustment of the spacing between the fixed suction cups 4. The reaction frame is connected by aluminum alloy profiles, and the fixed position of the beam 7 and the support column can be adjusted, and the spacing between the fixed suction cups 4 can be adjusted to adapt to stone curtain walls of different sizes.

[0080] 3. Clean the surface of the stone and the suction cup. Use a rag to clean the dust, sealant and other debris on the surface of the stone and the suction cup.

[0081] 4. Set up protective measures, set up a fence under the test area and connect the test device to the aerial vehicle with a safety rope.

[0082] 5. After the test device is fixed, two workers take a high-altitude vehicle to complete the adsorption of two fixed suction cups 4 and one loading suction cup 1 to the stone curtain wall in turn.

[0083] 6. Complete the force loading by directly observing the value indicated by the dynamometer 2 or the video of the value indicated by the dynamometer 2 transmitted remotely by the camera 6, and use the remote control 5 to control the electric pull rod 3 to complete the specific force loading.

[0084] 7. Check the damage of the stone and check the damage and looseness of the stone through visual inspection and manual test.

[0085] The principle of this utility model is as follows:

[0086] Device Assembly and Layout: First, the test platform was constructed using a reaction frame made of aluminum alloy profiles. The reaction frame consists of a crossbeam 7 and support columns 8. Both the crossbeam 7 and the support columns utilize a double-rod, side-by-side design to enhance structural stability and load-bearing capacity. The support columns can be adjusted relative to the crossbeam 7 to accommodate stone curtain wall widths of varying widths. Fixed suction cups 4 are located on both sides of the reaction frame to securely attach to the stone curtain wall, forming a reliable reverse support foundation.

[0087] Test Preparation: After ensuring the stone and suction cup surfaces are clean and free of debris, the operator uses aerial work equipment to attach two fixed suction cups 4 to adjacent stones on either side of the stone curtain wall to be tested, creating a stable reaction force frame. Next, the loading suction cup 1 is attached to the target stone surface.

[0088] Remote Control and Monitoring: Remote control 5 controls the electric pull rod 3, which is connected to a force gauge 2, the other end of which is connected to a loading suction cup 1. Operators can gradually increase the tension on the stone curtain wall in stages according to a pre-set test plan. An onboard camera 6 monitors the changes in the force gauge 2's reading in real time and provides feedback to the remote operator, enabling precise control of the loading process.

[0089] Force loading and test implementation: The test is carried out according to the predetermined force calculation formula, and is divided into three stages to simulate different levels of load conditions (standard wind load value, design wind load value without considering earthquakes, and design wind load value considering earthquake superposition). Each stage of loading lasts for a certain time (such as 30 seconds) to comprehensively evaluate the bearing capacity of the stone curtain wall under different loads.

[0090] Data Analysis and Safety Check: After loading is complete, the stone surface is observed for damage or looseness, and combined with the maximum load-bearing capacity recorded by dynamometer 2, the actual load-bearing capacity of the stone curtain wall is evaluated. Throughout the test, adjustments to the device structure, remote control, and real-time video monitoring ensure efficient, safe, and accurate testing. This eliminates the need to remove the stone panels, enabling rapid on-site assessment of the curtain wall's load-bearing capacity.

[0091] In summary, the utility model simplifies the testing process of the bearing capacity of stone curtain walls through an integrated and intelligent on-site testing device, improves the efficiency and accuracy of the test, and significantly reduces the test cost, providing an innovative technical means for the safety assessment of stone curtain walls.

[0092] The above description is only a preferred embodiment of the present invention and does not limit the scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the practical concept of the present invention, or direct / indirect application in other related technical fields are included in the scope of protection of the present invention.

Claims

1. A stone curtain wall bearing capacity on-site testing device, characterized in that: include: Loading suction cup, used to absorb the stone curtain wall to be tested; A dynamometer, one end of which is connected to the loading suction cup; An electric pull rod connected to the other end of the dynamometer; The reaction frame spans across both sides of the stone curtain wall to be tested, and the electric pull rod is fixed on the reaction frame; The electric pull rod is fixed on the reaction frame and applies tension to the dynamometer, and the dynamometer pulls the loading suction cup to test the stone curtain wall to be tested.

2. The testing device according to claim 1, wherein: A fixed suction cup is respectively provided on both sides of the reaction frame, and is adsorbed on both sides of the stone curtain wall to be tested through the fixed suction cup.

3. The testing device according to claim 2, characterized in that The unit also includes a remote control for controlling the electric pull rods.

4. The testing device according to claim 2, characterized in that The reaction frame is also provided with a camera for observing the tension value indicated by the dynamometer.

5. The testing device according to claim 1, wherein: The reaction frame is made of aluminum alloy profile.

6. The testing device according to claim 2, characterized in that: The reaction frame includes a crossbeam and a support column; Two supporting columns are vertically arranged at both ends of the beam, and the fixed suction cup is arranged at the lower end of the supporting column through a connecting piece; The support columns are vertically arranged on both sides of the stone curtain wall to be tested; By adjusting the installation position of the support columns and the beam, the span of the two support columns can be adjusted.

7. The testing device according to claim 6, characterized in that: The crossbeam and the support column are both arranged in parallel with double rods.

8. The testing device according to claim 7, characterized in that: The cross beams and support columns arranged side by side are connected by connecting rods.

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