The MST14 ultra static rigid frame node displacement and internal force testing experimental device is a specialized equipment used in structural mechanics experiments to study the deformation characteristics and internal force distribution of planar rigid frame structures under load.
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Product Introduction
The MST14 ultra static rigid frame node displacement and internal force testing experimental device is a specialized equipment used in structural mechanics experiments to study the deformation characteristics and internal force distribution of planar rigid frame structures under load.
The device consists of a backplate equipped with an aluminum portal structure, on which there are 8 strain gauges distributed, of which 4 are evenly distributed on the crossbeam and the other 4 are located on the two vertical beams of the portal. Four displacement sensors are used to measure the lateral displacement and rotation angle of the portal node. The testing experimental device is equipped with a static strain acquisition instrument, and the strain at each position is collected through the static strain acquisition instrument. The core of this device lies in accurately measuringtherotationangleandhorizontaldisplacementofrigidnodes, and verifying the calculation results of displacement method and torque distribution
method.
Experimental feature
1
Measure the displacement of the rigid node: ①Horizontal lateral displacement: Measure the lateral displacement of a rigid frame under horizontal loads, asymmetric vertical loads, or couple forces. This is the most significant feature that distinguishes rigid frames from continuous beams. Node corner: Measure the corner at the intersection of beams and columns. At the rigid node, the beam end angle is equal to the column end angle, which is one of the basic assumptions of the displacement method
2
Measure the internal force at the end of the rod: ①Measure the bending moment, shear force, and axial force of the column base, column top, and beam end through strain gauges or force sensors. Draw the bending moment diagram, shear force diagram, and axial diagram of the rigid frame.
3
Verify the typical equation of displacement method: ①Verify the relationship between basic unknowns (node angular displacement and linear displacement) and external loads. Verify the physical meaning of the stiffness coefficient kij (the reaction force generated by a unit displacement)
Product Attributes
|
Product Model |
MST14 |
Product Name |
Experimental device for deformation and internal force testing of statically indeterminate rigid frame |
|
Main Materials |
aluminium |
Specifications |
≤1000×400×1000mm |
|
Product Weight |
≤30kg |
Operating Environment |
Room temperature, relative humidity ≤ 85% |
|
Input Power Supply |
Single phase three wire, 220V ± 5%, 50Hz/60Hz | ||
|
Required Modules |
None |
Optional Modules |
None |
FAQ
Is your company a manufacturer or a trading company?
We are a direct source manufacturer with independent R&D, production and quality inspection workshops, and have years of expertise in the university laboratory equipment sector.
What payment methods are supported for overseas orders?
We accept T/T (Telegraphic Transfer) and irrevocable sight L/C (Letter of Credit). Formal commercial or proforma invoices are issued for all orders, with a transparent and traceable process.
What is the production and delivery cycle for the equipment?
Standard models: 45-60 days. Expedited production is available for urgent orders with priority scheduling, and the exact lead time is negotiable.
Do you support product customization?
Customization, OEM and ODM services are available. We can adjust parameters, structure, size and functions as required, and accept private labeling production.
How do you ensure the safe transport of the equipment?
Export-grade triple shockproof and moisture-proof packaging (shockproof foam + thickened carton + plywood wooden case) with warning labels attached.
Does the product come with a warranty? Are spare parts included?
All products come with a 2-year free original factory warranty, and common wearing parts are provided free of charge during the warranty period.
Overseas After-Sales Support：
• 7×24h remote technical support and free operation training with one-on-one engineer guidance;
• Free urgent air shipment of replacement parts for non-human-induced quality defects within the warranty period;
• Lifetime technical consultation and cost-price spare parts supply after warranty;
• Bilingual manuals, operation videos and experiment guides are included for easy use by beginners.
How do you control product quality before shipment?
Strict three-level quality inspection is carried out before delivery:
1. Raw Material Inspection: Full inspection of core components to control precision;
2. In-Process Inspection: Special personnel monitor each process to avoid defects;
3. Final Shipment Inspection: Power-on testing and precision calibration, with official inspection reports issued; factory inspection and remote inspection are both supported.
Case Studies
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