CN206095662U - Furniture structure joint endurance bending strength testing arrangement - Google Patents
Furniture structure joint endurance bending strength testing arrangement Download PDFInfo
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- CN206095662U CN206095662U CN201621129851.7U CN201621129851U CN206095662U CN 206095662 U CN206095662 U CN 206095662U CN 201621129851 U CN201621129851 U CN 201621129851U CN 206095662 U CN206095662 U CN 206095662U
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- loading unit
- stationary platen
- loading
- control system
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Abstract
The utility model relates to a furniture structure joint endurance bending strength testing arrangement, its structure is that the structure includes workstation, loading unit and computer control system, wherein stand in the loading unit and test piece fixture install respectively on the fixed platen in the workstation to carry out installation, regulation and the locking of position through the vertical or horizontal forked tail grooved rail on the fixed platen respectively, and realize centre gripping and the load to the test piece, computer control system passes through the swinging boom and installs on the workstation for control the loading unit. The advantage: 1 )But wide application in endurance bending strength and the durability of test furniture structure joint part when pressurized or pressurized draw load, 2 )Can provide experimental foundation with the strain distribution for research furniture structure joint strength character, 3 )Can dispose 1 group or multiunit loading unit as required to the while testing who adapts to different quantity test pieces.
Description
Technical field
This utility model is related to a kind of furnature construction node edurance beding strength test device and method of testing, it is adaptable to be
The furnature construction optimization of unlike material, structure design, engagement are studied and strength test offer test basis, belong to material and product
Technical field of measurement and test.
Background technology
Furnature construction node and joint be destruction is most also easy to produce during furniture use where, the property to furniture material
Energy, structure design, bond strength require highest, and detection and the stress analysis of the structural strength at furniture node not only affect furniture
The shape-designing of designer, it is also new for the research and development of new material, the integrally-built optimization design of furniture and furniture to scientific research personnel
The research of the high intensity joining technique of material has great theory and practice meaning.
It is at present both at home and abroad for the strength test and stress analysis of furnature construction node and joint, more broken using dead load
Bad test and the method for finite element analyses.Dead load failure test is the maximal destruction load with furnature construction（Or moment of flexure）To sentence
Disconnected structural strength, but show that the destruction of furnature construction is mainly derived from the fatigue rupture of structural member through pre-stage test demonstration
Rather than static(al) destruction；Finite element analyses are, with reference to furnature construction Semi-rigid property, by analogy method, to understand furniture node
Internal stress distribution situation, simple furniture parts finite element analyses do not have due to the basis for not having cyclic loading test yet
Consider the difference of furniture parts material property, thus can not truly reflect the intensity of structure node, have not yet been formed a set of high precision,
The strong analysis method of systematicness.
At present both at home and abroad using the test to furniture volume fatigue strength as product standard, and for furnature construction node or
The fatigue strength of junction node does not have clear and definite method of testing and specification, in fact, studies the fatigue strength of furnature construction node
Be more suitable for furniture structure design and research and development, study different furniture materials, different joinery and its construction, different metal connecting-piece structure and
Furniture parts node strength under different glue kind junction forms, target are more accurate, and input is also less, and motility is higher.
The content of the invention
The utility model proposes a kind of furnature construction node edurance beding strength test device and method of testing, its mesh
Be to overcome the above-mentioned deficiency existing for prior art, can be widely applied to test furnature construction node component pressurized or pressurized
Edurance beding strength and its durability when drawing load, be the furnature construction optimization of unlike material, structure design, engagement study,
Structure node intensity provides test basis, the research and development, family for furniture new material high intensity joining technique with stress distribution test
The research of tool Whole Structure Optimation Design technology is with important theory directive significance and actual application value.
Technical solution of the present utility model：A kind of furnature construction node edurance beding strength test device, its structure
Including workbench, loading unit and computer control system, the column 12 and specimen holder mechanism 7 wherein in loading unit all divides
On stationary platen 11 that An Zhuan be in workbench, position is carried out by the vertical or horizontal dovetail grooved rail on stationary platen 11 respectively
Installation, regulation and the locking put, and realize the clamping and loading to test specimen 17；Computer control system 16 is installed by turning arm
On the table, for manipulating loading unit.
Advantage of the present utility model：
1）Can be widely applied to test edurance beding strength of the furnature construction node component in pressurized or pressurized drawing load
And its durability；
2）Test basis can be provided with stress distribution to study furnature construction node strength performance, it is high for furniture new material
The research and development of intensity joining technique, the research of furniture Whole Structure Optimation Design technology are with important theory directive significance and reality
Using value；
3）1 group or multigroup loading unit are configured as needed can, to adapt to test while varying number test specimen, test examination
Part can be two-dimentional fastener, three-dimensional fastener or two-dimentional bool etc., and its section can be square circular or oval etc..
Description of the drawings
Fig. 1 is a kind of partial structural diagram of furnature construction node edurance beding strength test device.
Fig. 2 is the structural representation of pressure loading head 15.Which may be installed the lower end of pull pressure sensor 5, with pressure
Loading head 6 is replaced and is used, and realizes that a pressure one draws cyclic loading test and pressurized circulation load test respectively.
Fig. 3 is that the overall structure and test specimen of the present invention installs clamping schematic diagram.1 group or multigroup loading are configured as needed can
Unit, to adapt to test while varying number test specimen；Computer control system 16 can be arranged on workbench 1 by turning arm
On, it is also possible to the individually form split of operation bench is arranged；Test specimen 17 is arranged in specimen holder mechanism 7 and is clamped, in case
Only test specimen is rocked, is tilted or rotated；6 pairs of test specimens of pressure-loaded 17 carry out pressurized circulation load test.
Fig. 4 is applicable furnature construction specimen joints example.Test specimen 17 can be two-dimentional fastener, three-dimensional fastener or two
Dimension bool etc., its section can be square, circular or oval etc..
In figure 1 is displacement transducer, 2 is guide post, 3 is cylinder, 4 is horizontal stand, 5 is pull pressure sensor, 6 is
Pressure-loaded head, 7 be specimen holder mechanism, 8 be machine frame, 9 be a point regulating valve, 10 be total pressure regulator valve, 11 be stationary platen, 12
It is column, 13 be horizontal stand height adjusting screw rod, 14 be bracing frame, 15 be pressure loading head, 16 is computer controls system
System, 17 are test specimens.
Specific embodiment
A kind of furnature construction node edurance beding strength test device, its structure include workbench, loading unit and calculating
Column 12 and specimen holder mechanism 7 in machine control system, wherein loading unit is all separately mounted to the fixed station in workbench
On plate 11, and the installation of position is carried out by the vertical or horizontal dovetail grooved rail on stationary platen 11 respectively, is adjusted and is locked, and
Realize the clamping and loading to test specimen 17；Computer control system 16 is installed on the table by turning arm, is added for manipulation
Carrier unit.
The workbench of described device：Including machine frame 8, stationary platen 11 and bracing frame 14, wherein 11 He of stationary platen
Bracing frame 14 is arranged on machine frame 8.
The loading unit of described device：Pass including displacement transducer 1, guide post 2, cylinder 3, horizontal stand 4, pressure
Sensor 5, pressure-loaded 6（Or pressure loading head 15）, specimen holder mechanism 7, column 12, horizontal stand height adjusting screw rod
13rd, divide regulating valve 9 and total pressure regulator valve 10, realize the clamping and loading to furnature construction specimen joints 17, wherein displacement transducer
1st, guide post 2, cylinder 3, pull pressure sensor 5 are all arranged on horizontal stand 4；Horizontal stand 4 is arranged on column 12, and is led to
Overregulating screw rod 13 carries out altitude mixture control；Column 12 and specimen holder mechanism 7 are all separately mounted on stationary platen 11, and respectively
The installation of position is carried out by the vertical or horizontal dovetail grooved rail on stationary platen 11, is adjusted and is locked；Pull pressure sensor 5
Pressure-loaded 6 or the pressure loading head 15 that connection two is alternatively independently used can be locked in lower end, realize that pressurization is followed respectively
Ring load test and a pressure one draw cyclic loading test, pull pressure sensor 5 to be used for the data message of conduction and feedback loading power；
Cylinder 3 realizes the reciprocating linear sliding of pressure-loaded 6 or pressure loading head 15；Displacement transducer 1 realizes pressure-loaded 6
Or the Real-time Feedback of 15 position of pressure loading head, it is easy to record test piece deformation or damaged condition；Loading unit can be 1 group or
It is multigroup, to adapt to test while varying number test specimen；Test test specimen can be two-dimentional fastener or three-dimensional fastener, its section
Can be square circular or oval.
The computer control system 16 of described device：Including computer display screen, control software, signal amplifier, data
Capture card etc., is arranged on workbench 1 by turning arm, for manipulating loading unit, is realized input load mode, is specified load
Acquisition process, the graph making function of lotus, observation sensor values, design halt mode, test period and data, realizes experiment
Accurate manipulation and monitor in real time of the personnel to test links.
Its method of testing, comprises the steps：
（1）Install and clamp test specimen；
（2）Install and adjust loading head；
（3）Setting force value simultaneously carries out CYCLIC LOADING；
（4）Load test is automatically controlled and processed by computer control system.
Described step（1）Install and clamp test specimen：Determine the species and test request of furnature construction node to be measured, it is determined that
Loading position, furnature construction specimen joints 17 to be measured are arranged in specimen holder mechanism 7, by specimen holder mechanism 7
Test specimen is clamped by screw rod and fixture, to prevent test specimen from rocking, tilt or rotate.
Described step（2）Install and adjust loading head：The height of horizontal stand 4 is adjusted by column 12 and adjusting screw rod 13
Degree and front and back position；Displacement displacement transducer 1, guide post 2, cylinder 3, pull pressure sensor 5 are specified installed in horizontal stand 4
Position；The test request difference selection pressure loading head of cyclic loading test is drawn according to pressurized circulation load test or a pressure one
6 or the type of pressure loading head 15, be installed in the lower end of pull pressure sensor 5 and lock, and make pressure-loaded 6 or
The assigned position that same vertical line is maintained at by loading point of pressure loading head 15 and test specimen 17.
Described step（3）Setting force value simultaneously carries out CYCLIC LOADING：By total pressure regulator valve 10, point regulating valve 9 and pressure
Sensor 5, and according to settings such as testing experiment load mode, loading frequency, loading persistent period, test specimen destruction criterion
Force value requires to adjust loading force, loading is circulated to test specimen 17, and is distinguished by displacement transducer 1 and computer control system 16
Record deformation displacement numerical value and test number (TN).
Described step（4）Load test is automatically controlled and processed by computer control system：Whole load test process
Automatically controlled by computer control system 16, data processing, monitor in real time, shown in real time；Control system can be calculated and export knot
Really, by the load for applying according to default output form, automatic output numerical value and the corresponding chart of drafting；Reach when test specimen 17 is damaged
The damaged condition of setting is that the deformation displacement numerical value of the record of displacement transducer 1 exceedes certain limit, or test reaches regulation test
After number of times, load test can autostop.
Control Fig. 1, is a kind of partial structural diagram of furnature construction node edurance beding strength test device, and loading is single
The displacement transducer 1 of unit, guide post 2, cylinder 3 are all arranged on horizontal stand 4；Horizontal stand 4 is arranged on column 12, and is led to
Overregulating screw rod 13 carries out altitude mixture control；Column 12 and specimen holder mechanism 7 are all separately mounted to the stationary platen 11 of workbench
On, and the installation of position is carried out by the vertical or horizontal dovetail grooved rail on stationary platen 11 respectively, is adjusted and is locked；Test specimen is pressed from both sides
Mechanism 7 is held for the clamping to test specimen 17；5 upper end of pull pressure sensor is connected with cylinder 3, lower end locking connection pressure-loaded head
6, pressurized circulation load test is realized, and for conduction and the data message of feedback loading power；Loading unit can be 1 group or many
Group, to adapt to test while varying number test specimen；Point regulating valve 9, total pressure regulator valve 10, stationary platen 11 and bracing frame 14 are installed
On machine frame 8.
Control Fig. 2, is the structural representation of pressure loading head 15, and which may be installed the lower end of pull pressure sensor 5, with
Pressure-loaded 6 is replaced to be independently operated, and realize respectively the drawing cyclic loading test of a pressure one and pressurized circulation load test.
Control Fig. 3, is that the overall structure and test specimen of the present invention installs clamping schematic diagram.1 group or many is configured as needed can
Group loading unit, to adapt to test while varying number test specimen；Computer control system 16 can be arranged on work by turning arm
Make on platform 1, it is also possible to which the individually form split of operation bench is arranged；Test specimen 17 is arranged in specimen holder mechanism 7 and is clamped,
To prevent test specimen from rocking, tilt or rotate；6 pairs of test specimens of pressure-loaded 17 carry out pressurized circulation load test.
Control Fig. 4, is applicable furnature construction specimen joints example, and test specimen 17 can be two-dimentional fastener, three-dimensional engagement
Part or two-dimentional bool etc., its section can be square, circular or oval etc..
Claims (3)
1. a kind of furnature construction node edurance beding strength test device, it is characterized in that structure include workbench, loading unit and
Column and specimen holder mechanism in computer control system, wherein loading unit is separately mounted to the stationary platen in workbench
On；Computer control system is installed on the table by turning arm.
2. a kind of furnature construction node edurance beding strength test device according to claim 1, is characterized in that described
The workbench of device：Including machine frame, stationary platen and bracing frame, wherein stationary platen and bracing frame is arranged on machine frame.
3. a kind of furnature construction node edurance beding strength test device according to claim 1, is characterized in that described
Loading unit：Including displacement transducer, guide post, cylinder, horizontal stand, pull pressure sensor, pressure-loaded head or pressure
Loading head, specimen holder mechanism, column, horizontal stand height adjusting screw rod, wherein point regulating valve and total pressure regulator valve, displacement sensing
Device, guide post, cylinder, pull pressure sensor are arranged on horizontal stand；Horizontal stand is arranged on column；Column and test specimen folder
Hold mechanism to be separately mounted on stationary platen, and position is carried out by the vertical or horizontal dovetail grooved rail on stationary platen respectively
Install, adjust and lock；Loading unit is 1 group or multigroup；Test test specimen is two-dimentional fastener or three-dimensional fastener, and its section is
It is square circular or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621129851.7U CN206095662U (en) | 2016-10-18 | 2016-10-18 | Furniture structure joint endurance bending strength testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621129851.7U CN206095662U (en) | 2016-10-18 | 2016-10-18 | Furniture structure joint endurance bending strength testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095662U true CN206095662U (en) | 2017-04-12 |
Family
ID=59975261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621129851.7U Expired - Fee Related CN206095662U (en) | 2016-10-18 | 2016-10-18 | Furniture structure joint endurance bending strength testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095662U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831077A (en) * | 2017-10-20 | 2018-03-23 | 河北第二机械工业有限公司 | Bending strength detection means |
| CN111947940A (en) * | 2020-08-10 | 2020-11-17 | 丰宁满族自治县宏亭汽车部件有限公司 | Strength detection device for truck frame production and use method thereof |
| CN113916703A (en) * | 2021-09-27 | 2022-01-11 | 中国海洋石油集团有限公司 | Double-shaft tension-compression bending composite loading fatigue experimental device |
-
2016
- 2016-10-18 CN CN201621129851.7U patent/CN206095662U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831077A (en) * | 2017-10-20 | 2018-03-23 | 河北第二机械工业有限公司 | Bending strength detection means |
| CN107831077B (en) * | 2017-10-20 | 2019-12-27 | 河北第二机械工业有限公司 | Bending strength detection device |
| CN111947940A (en) * | 2020-08-10 | 2020-11-17 | 丰宁满族自治县宏亭汽车部件有限公司 | Strength detection device for truck frame production and use method thereof |
| CN113916703A (en) * | 2021-09-27 | 2022-01-11 | 中国海洋石油集团有限公司 | Double-shaft tension-compression bending composite loading fatigue experimental device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181123 Address after: Room 1912, Dongdu Lishe, Qinhuai District, Nanjing City, Jiangsu Province Patentee after: NANJING DIOU FURNITURE CO.,LTD. Address before: No. 159, dragon pan Road, Nanjing, Jiangsu Patentee before: Nanjing Forestry University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20211018 |