CN207779829U - A kind of three point bending test device - Google Patents
A kind of three point bending test device Download PDFInfo
- Publication number
- CN207779829U CN207779829U CN201820012045.4U CN201820012045U CN207779829U CN 207779829 U CN207779829 U CN 207779829U CN 201820012045 U CN201820012045 U CN 201820012045U CN 207779829 U CN207779829 U CN 207779829U
- Authority
- CN
- China
- Prior art keywords
- ball
- screw
- sliding
- point bending
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of three point bending test devices, pedestal is two upright slide rails and connected " day " shaped base constituted of three horizontal slide rails, it is slidably mounted two supporting racks and a supporter above pedestal, two supporting rack lower ends are sliding by the first sliding block and two upright slide rails, supporter lower end is sliding with intermediate horizontal slide rail by the second sliding block, upper end is equipped with pressure head slide plate, and pressure head slide plate lower end is equipped with displacement sensor, pressure head slide plate upper end is equipped with two push-down heads, a support beam is movably installed between two supporting racks, it is sliding on front side of support beam to have a ball-screw guide rail, being slipped on ball-screw guide rail has a ball-screw, ball-screw lower end is equipped with a push-down head by load cell, ball-screw guide rail upper end is equipped with a stepper motor for driving the ball-screw.The utility model loading velocity is controllable, and loading procedure is steady, few to the impact of workpiece, understands convenient for teaching middle school student and operates.
Description
Technical field
The utility model is related to material mechanical performance testing fields, and in particular to a kind of three point bending test device.
Background technology
Three point bending test is the experimental method for examining metal bending mechanical property, is chiefly used in detecting the production of associated metal material
The specification of product.In use, sample is placed on two supporting points of certain distance, the direction sample on two supporting point midpoints
Apply downward load, when forming two equal torque three-point bending occurs for 3 contact points of sample, and sample will be in midpoint
Place is broken.Three point bending test is not to measure the most weak area of backbone bending resistance, but the sense on sample is emerging
Interesting region.
Currently, existing 3 three point bending tests device generally existing has a single function, the wideless defect of applicable range.
Utility model content
To solve the above problems, the utility model provides a kind of three point bending test device.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of three point bending test device, including pedestal, the pedestal are two upright slide rails and the connected structure of three horizontal slide rails
At " day " shaped base, be slidably mounted two supporting racks and a supporter above the pedestal, two supporting rack lower ends pass through
First sliding block is sliding with two upright slide rail, and the supporter lower end is sliding with intermediate horizontal slide rail by the second sliding block,
Upper end is equipped with pressure head slide plate, and pressure head slide plate lower end is equipped with displacement sensor, and pressure head slide plate upper end is equipped with
Two push-down heads, are movably installed with a support beam between two supporting racks, sliding on front side of the support beam to have a ball-screw to lead
Rail, slipping on the ball-screw guide rail has a ball-screw, the ball-screw lower end to be equipped with one by load cell
Push-down head, ball-screw guide rail upper end are equipped with a stepper motor for driving the ball-screw, further include a control
Case processed, the control cabinet pass through power cord and first sliding block, the second sliding block, displacement sensor, load cell, stepping electricity
Machine is electrically connected.
Preferably, the instrument display for being equipped with a controller in the control cabinet and being electrically connected with controller.
Preferably, the inside of two supporting rack symmetrically offers and the matched sliding slot of the support beam.
Preferably, being mounted on the displacement sensing being electrically connected with the control cabinet at the center of two supporting rack
Device.
The utility model has the advantages that：
Loading velocity is controllable, and loading procedure is steady, few to the impact of workpiece, light and handy, at low cost, precision is high, easy to operate,
Structure and working principle understands, understands convenient for teaching middle school student and operates.
Description of the drawings
Fig. 1 is the standard curve drawn in embodiment 1.
Specific implementation mode
In order to make the purpose of this utility model and advantage be more clearly understood, with reference to embodiments to the utility model into
Row is further described.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
As shown in Figure 1, the utility model embodiment provides a kind of three point bending test device, including pedestal 1, it is described
Pedestal 1 is two upright slide rails and connected " day " shaped base constituted of three horizontal slide rails, and 1 top of the pedestal has been slidably mounted
Two supporting racks 2 and a supporter 14, two supporting racks, 2 lower end is sliding by the first sliding block and two upright slide rail, the support
14 lower end of body is sliding with intermediate horizontal slide rail by the second sliding block, and upper end is equipped with pressure head slide plate 12, and the pressure head slide plate
12 lower ends are equipped with displacement sensor 13, and 12 upper end of pressure head slide plate is coordinated by dovetail groove is equipped with two push-down heads 8, two
A support beam 3 is movably installed between support 2,3 front side of the support beam is sliding a ball-screw guide rail 5, described
Being slipped on ball-screw guide rail 5 has a ball-screw, the ball-screw lower end to be equipped with a push-down head by load cell 6
7,5 upper end of ball-screw guide rail is equipped with a stepper motor 4 for driving the ball-screw, further includes a control cabinet
9, the control cabinet 9 be based on existing ripe circuit by power cord and first sliding block, the second sliding block, displacement sensor 13,
Load cell 6, stepper motor 4 are electrically connected.One controller 11 and electrical with controller 11 is installed in the control cabinet 9
The instrument display 10 of connection.The inside of two supporting rack 2 symmetrically offers and 3 matched sliding slot of the support beam.
The displacement sensing being electrically connected with the control cabinet 9 based on existing ripe circuit is mounted at the center of two supporting rack 2
Device.
In use, sample is placed on 2 push-down heads, control stepper motor, dragging roller screw is downward for this specific implementation
It is mobile, push-down head movement is driven, workpiece is bent, measures different materials workpiece, differently curved degree, the sample mechanics of different spans
Performance, includes the pressure of pushing, the amount of deflection of sample, can obtain sample bending strength, amount of deflection, stress, and the data such as fragmentation parameters make
With conveniently.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
Claims (4)
1. a kind of three point bending test device, including pedestal (1), which is characterized in that the pedestal (1) is two upright slide rails and three
Connected " day " shaped base constituted of horizontal slide rail, pedestal (1) top have been slidably mounted two supporting racks (2) and a support
Body (14), two supporting racks (2) lower end is sliding by the first sliding block and two upright slide rail, and supporter (14) lower end passes through
Second sliding block is sliding with intermediate horizontal slide rail, and upper end is equipped with pressure head slide plate (12), and the pressure head slide plate (12) lower end is pacified
Equipped with displacement sensor (13), pressure head slide plate (12) upper end is equipped with two push-down heads (8), activity between two supporting racks (2)
One support beam (3) is installed, being slipped on front side of the support beam (3) has a ball-screw guide rail (5), the ball-screw to lead
Being slipped on rail (5) has a ball-screw, the ball-screw lower end to be equipped with a push-down head (7), institute by load cell (6)
It states ball-screw guide rail (5) upper end and one stepper motor (4) for driving the ball-screw is installed, further include a control cabinet
(9), the control cabinet (9) passes through power cord and first sliding block, the second sliding block, displacement sensor (13), load cell
(6), stepper motor (4) is electrically connected.
2. a kind of three point bending test device as described in claim 1, which is characterized in that be equipped in the control cabinet (9)
One controller (11) and the instrument display (10) being electrically connected with controller (11).
3. a kind of three point bending test device as described in claim 1, which is characterized in that the inside of two supporting rack (2)
Symmetrically offer and the support beam (3) matched sliding slot.
4. a kind of three point bending test device as described in claim 1, which is characterized in that the center of two supporting rack (2)
Place is mounted on the displacement sensor being electrically connected with the control cabinet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012045.4U CN207779829U (en) | 2018-01-04 | 2018-01-04 | A kind of three point bending test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012045.4U CN207779829U (en) | 2018-01-04 | 2018-01-04 | A kind of three point bending test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207779829U true CN207779829U (en) | 2018-08-28 |
Family
ID=63223727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820012045.4U Expired - Fee Related CN207779829U (en) | 2018-01-04 | 2018-01-04 | A kind of three point bending test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207779829U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749493A (en) * | 2019-11-22 | 2020-02-04 | 国网河南省电力公司电力科学研究院 | Automatic bending test span automatic adjusting device |
| CN110849703A (en) * | 2019-12-23 | 2020-02-28 | 北京理工大学 | Mechanical property testing device, equipment and method |
| CN110987680A (en) * | 2019-12-13 | 2020-04-10 | 华中科技大学 | Bending strain generating device and application thereof |
| CN112414865A (en) * | 2019-08-22 | 2021-02-26 | 长春设备工艺研究所 | Three-point bending test bed for plates |
| CN117949291A (en) * | 2024-03-26 | 2024-04-30 | 烟台博海木工机械有限公司 | Elastic modulus detection device for wood beam layer plate |
-
2018
- 2018-01-04 CN CN201820012045.4U patent/CN207779829U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414865A (en) * | 2019-08-22 | 2021-02-26 | 长春设备工艺研究所 | Three-point bending test bed for plates |
| CN110749493A (en) * | 2019-11-22 | 2020-02-04 | 国网河南省电力公司电力科学研究院 | Automatic bending test span automatic adjusting device |
| CN110987680A (en) * | 2019-12-13 | 2020-04-10 | 华中科技大学 | Bending strain generating device and application thereof |
| CN110849703A (en) * | 2019-12-23 | 2020-02-28 | 北京理工大学 | Mechanical property testing device, equipment and method |
| CN117949291A (en) * | 2024-03-26 | 2024-04-30 | 烟台博海木工机械有限公司 | Elastic modulus detection device for wood beam layer plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207779829U (en) | A kind of three point bending test device | |
| CN109374447A (en) | A kind of drop hammer impact testing machine for construction material detection | |
| CN109632182A (en) | Piezoresistive transducer test equipment and test method | |
| CN201852750U (en) | Electronic knitwear lengthening instrument | |
| CN203798342U (en) | Special-purpose test tool for measurement | |
| CN210719086U (en) | Static disc detection device of scroll compressor | |
| CN107631865B (en) | intelligent test bed for power equipment | |
| CN219122255U (en) | Voltage testing arrangement convenient to centre gripping circuit | |
| CN204758386U (en) | Tensile test appearance | |
| CN208421071U (en) | A kind of multichannel precision resistance detection device | |
| CN207343485U (en) | A kind of trimmer measures re-shaping exercise platform | |
| CN210571279U (en) | High-precision infrared positioning device for high-acceleration impact table | |
| CN209102531U (en) | The anti-shearing stiffness measuring device of bridge model test support | |
| CN206696087U (en) | A kind of tension and compression force tester | |
| CN202886558U (en) | Low voltage switch mechanical performance detection device | |
| CN216483968U (en) | Novel automotive electronics device test rack | |
| CN207007136U (en) | A kind of sheet metal part thickness test equipment | |
| CN221174218U (en) | TPU material elasticity detection equipment with adjustable test range | |
| CN219777339U (en) | Glass scratch resistance detection device | |
| CN215931220U (en) | Testing arrangement is used in spring production | |
| CN209231135U (en) | Softness detection device | |
| CN211061658U (en) | Voice coil motor testing device | |
| CN205374173U (en) | Pulling -force testing machine | |
| CN110440668A (en) | A kind of measuring device of bearing ring channel position | |
| CN212342117U (en) | Experimental device for comprehensive testing young modulus of metal wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180828 Termination date: 20190104 |