CN106290013A - Fixed pulley formula falling weight impact test device - Google Patents
Fixed pulley formula falling weight impact test device Download PDFInfo
- Publication number
- CN106290013A CN106290013A CN201610574791.8A CN201610574791A CN106290013A CN 106290013 A CN106290013 A CN 106290013A CN 201610574791 A CN201610574791 A CN 201610574791A CN 106290013 A CN106290013 A CN 106290013A
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- China
- Prior art keywords
- fixed
- fixed mount
- fixed pulley
- base plate
- test device
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0039—Hammer or pendulum
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of fixed pulley formula falling weight impact test device, two pairs of bracing frame symmetries are fixed on base plate, its top is connected by push rod, bracing frame includes a vertical supporting post and two skewed horizontal load posts, two skewed horizontal load column symmetry are arranged on vertical supporting post both sides, three top is fixed together, and bottom is separately fixed on base plate；Being respectively equipped with a pilot sleeve and a block on two vertical supporting posts, two pilot sleeves are connected by connecting rod, and connecting rod bottom centre is provided with jump bit, is provided with fixed pulley bottom push rod, and stay cord is connected through pulley with connector；Fixed mount is arranged on immediately below jump bit, and fixed mount vertical sectional shape is boss, and test block to be measured is arranged in fixed mount, and iron ball is arranged in test block to be measured, and iron ball top highlights fixed mount.The present invention is effectively improved the operating efficiency of testing crew, it is ensured that test height is consistent, it is ensured that the drop point of jump bit can precise alignment, reduce irregular secondary pulse and the harm to testing crew thereof.
Description
Technical field
The invention belongs to shock resistance field tests, be specifically related to a kind of fixed pulley formula falling weight impact test device.
Background technology
Existing shock resistance is all that the equipment using the recommendation of ACI544 committee or improvement is tested.Test device
Design is simple, and height of the fall is controlled voluntarily by testing crew completely, it is more difficult to guarantee test height consistent；The falling of jump bit simultaneously
Point it is difficult to ensure that every time with bottom ball precise alignment；Arrange owing to lacking protection, after jump bit falls, generation irregular
Secondary pulse, causes certain threat to testing crew；Assay device is simple, and testing crew operation is more difficult, wasting manpower and material resources.
Chinese patent discloses one " falling weight impact test device ", and this device uses the form of connection rod set to connect jump bit
And testing handle, need two testing crews to operate, the connection rod set structure of this device is complicated, and it is more difficult to assemble；Need two
Testing crew is tested near assay device, operation handle, owing to jump bit weight is relatively big, easily causes the mistake of experimenter
Wound, two people's operations, causes the waste of manpower simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of fixed pulley formula falling weight impact test device, be effectively improved the behaviour of testing crew
Make efficiency, it is ensured that test height is consistent, it is ensured that the drop point of jump bit can precise alignment, reduce irregular secondary pulse and
Harm to testing crew.
The technical solution realizing the object of the invention is: a kind of fixed pulley formula falling weight impact test device, including stay cord,
Pilot sleeve, connecting rod, push rod, jump bit, iron ball, fixed mount, base plate, fixed pulley, connector, two blocks and two are to support
Frame；Described base plate is fixed on rigid ground, and two pairs of bracing frame symmetries are fixed on base plate, and its top is connected by push rod,
Support includes a vertical supporting post and two skewed horizontal load posts, and two skewed horizontal load column symmetry are arranged on vertical supporting post two
Side, three top is fixed together, and bottom is separately fixed on base plate；A fairlead it is respectively equipped with on two vertical supporting posts
Cylinder and a block, and block is positioned at above pilot sleeve, two pilot sleeves are connected by connecting rod, and connecting rod bottom centre is provided with
Jump bit, top center is provided with connector；Being provided with fixed pulley bottom push rod, stay cord is connected through pulley with connector；Fixed mount
Being arranged on immediately below jump bit, fixed mount vertical sectional shape is boss, and test block to be measured is arranged in fixed mount, and iron ball is arranged on to be treated
On test block, and iron ball top highlights fixed mount.
Except test block to be measured is concrete test block, remaining component is ironware.
The a diameter of 63.5mm of described iron ball.
Leaving space between described fixed mount and test block to be measured, gap length is 1mm ~ 15mm, between fixed mount and iron ball
Leaving space, gap length is 1mm ~ 5mm.
Described fixed mount is detachable connection with base plate.
Above-mentioned detachable it is connected by screw thread, bolt or buckle.
Compared with prior art, its remarkable advantage is the present invention:
(1) test stand overall structure is simple, it is simple to assemble.
(2) jump bit is risen at block by stay cord by testing crew, can by regulation pulling rope length, determine from
The distance of assay device, effectively reduces the degree of danger of testing crew.
(3) whole test can decrease the waste of manpower only by a testing crew complete independently.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of fixed pulley formula falling weight impact test device of the present invention.
Fig. 2 is the side elevation structural representation of fixed pulley formula falling weight impact test device of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
In conjunction with Fig. 1 and Fig. 2, a kind of fixed pulley formula falling weight impact test device, including stay cord 1, pilot sleeve 2, connecting rod 11,
Push rod 12, jump bit 4, iron ball 5, fixed mount 6, base plate 8, fixed pulley 3,13, two blocks 14 of connector and two pairs of bracing frames.Institute
Stating base plate 8 to be fixed on rigid ground, two pairs of bracing frame symmetries are fixed on base plate 8, and its top is connected by push rod 12, support
Frame includes a vertical supporting post 10 and two skewed horizontal load posts 9, and two skewed horizontal load posts 9 are symmetricly set on vertical supporting post 10
Both sides, three top is fixed together, and bottom is separately fixed on base plate 8.It is respectively equipped with one on two vertical supporting posts 10
Pilot sleeve 2 and a block 14, and block 14 is positioned at above pilot sleeve 2, determines the height that experiment is dropped hammer.Two fairleads
Cylinder 2 is connected by connecting rod 11, and connecting rod 11 bottom centre is provided with jump bit 4, and top center is provided with connector 13；Set bottom push rod 12
Having fixed pulley 3, stay cord 1 is connected through pulley 3 with connector 13, and stay cord 1 other end is by experimenter's control.Fixed mount 6 is arranged
Immediately below jump bit 4, fixed mount 6 vertical sectional shape is boss, and test block 7 to be measured is arranged in fixed mount 6, and iron ball 5 is arranged on
In test block 7 to be measured, and iron ball 5 top highlights fixed mount 6.
Except test block 7 to be measured is concrete test block, remaining component is ironware.
The described a diameter of 63.5mm of iron ball 5.
Leaving space between described fixed mount 6 and test block to be measured 7, gap length is 1mm ~ 15mm, fixed mount 6 and iron ball 5
Between leave space, gap length is 1mm ~ 5mm.
Described fixed mount 6 is connected for detachable with base plate 8.
Fixed mount 6 is bolted with base plate 8, and remaining component all uses welding.
Using the experimental technique of fixed pulley formula falling weight impact test device of the present invention, step is as follows:
Step 1., according to the shock height required in testing program, determines the length of vertical supporting post 10, makes assay device.
Base plate 8 is fixed on rigid ground by step 2. by bolt.
Test block 7 to be measured is placed in base plate 8 in the heart by step 3., is fixed on base plate 8 by fixed mount 6 by bolt, then
Iron ball 5 is put on the tang of fixed mount 6, and guarantees the center of jump bit 4, iron ball 5 and test block to be measured on one wire.
Jump bit 4 is risen to the tip position of vertical supporting post 10 by step 4. by testing crew stay cord 1, freely puts
Under, repeat test, till test block 7 to be measured destroys.
Test stand overall structure of the present invention is simple, it is simple to assembling, jump bit is risen to block by stay cord by testing crew
Place, can be determined the distance of separating test device by regulation pulling rope length, is effectively reduced the dangerous journey of testing crew
Degree.Whole test can decrease the waste of manpower only by a testing crew complete independently.
Claims (6)
1. a fixed pulley formula falling weight impact test device, it is characterised in that: include stay cord (1), pilot sleeve (2), connecting rod
(11), push rod (12), jump bit (4), iron ball (5), fixed mount (6), base plate (8), fixed pulley (3), connector (13), two gears
Block (14) and two pairs of bracing frames；Described base plate (8) is fixed on rigid ground, and two pairs of bracing frame symmetries are fixed on base plate (8),
Its top is connected by push rod (12), and bracing frame includes a vertical supporting post (10) and two skewed horizontal load posts (9), and two tiltedly
Being symmetricly set on vertical supporting post (10) both sides to support column (9), three top is fixed together, and bottom is separately fixed at base plate
(8) on；A pilot sleeve (2) and a block (14), and block (14) position it is respectively equipped with on two vertical supporting posts (10)
In pilot sleeve (2) top, two pilot sleeves (2) are connected by connecting rod (11), and connecting rod (11) bottom centre is provided with jump bit
(4), top center is provided with connector (13)；Push rod (12) bottom is provided with fixed pulley (3), and stay cord (1) passes pulley (3) and is connected
Part (13) is connected；Fixed mount (6) is arranged on immediately below jump bit (4), and fixed mount (6) vertical sectional shape is boss, test block to be measured
(7) being arranged in fixed mount (6), iron ball (5) is arranged in test block to be measured (7), and iron ball (5) top highlights fixed mount (6).
Fixed pulley formula falling weight impact test device the most according to claim 1, it is characterised in that: except test block to be measured (7) is
Concrete test block, remaining component is ironware.
Fixed pulley formula falling weight impact test device the most according to claim 1, it is characterised in that: described iron ball (5) diameter
For 63.5mm.
Fixed pulley formula falling weight impact test device the most according to claim 1, it is characterised in that: described fixed mount (6) with
Test block to be measured leaves space between (7), and gap length is 1mm ~ 15mm, leaves space between fixed mount (6) and iron ball (5), empty
Gap length degree is 1mm ~ 5mm.
Fixed pulley formula falling weight impact test device the most according to claim 1, it is characterised in that: described fixed mount (6) with
Base plate (8) is detachable connection.
Fixed pulley formula falling weight impact test device the most according to claim 5, it is characterised in that: above-mentioned detachable connection
Use screw thread, bolt or buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574791.8A CN106290013A (en) | 2016-07-20 | 2016-07-20 | Fixed pulley formula falling weight impact test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574791.8A CN106290013A (en) | 2016-07-20 | 2016-07-20 | Fixed pulley formula falling weight impact test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106290013A true CN106290013A (en) | 2017-01-04 |
Family
ID=57651628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610574791.8A Pending CN106290013A (en) | 2016-07-20 | 2016-07-20 | Fixed pulley formula falling weight impact test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106290013A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449679A (en) * | 2017-06-30 | 2017-12-08 | 北京航空航天大学 | A kind of lander foot pad impacts soil mechanics characteristic measuring device |
| CN109298073A (en) * | 2018-10-10 | 2019-02-01 | 大连民族大学 | Seismic wave method cement road surface plate bottom empty detector and detection method |
| CN109765130A (en) * | 2019-03-05 | 2019-05-17 | 安徽理工大学 | A kind of multi-function device of concrete material impact test |
| CN110208110A (en) * | 2019-05-21 | 2019-09-06 | 哈尔滨工程大学 | A kind of experimental provision for analyzing ice failure by shear characteristic |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2217024A (en) * | 1988-03-31 | 1989-10-18 | Hoya Corp | Drop tester |
| CN203069466U (en) * | 2013-01-29 | 2013-07-17 | 中建商品混凝土有限公司 | Device for testing impact resistance of cement-based binding material and concrete |
| CN204359504U (en) * | 2014-12-30 | 2015-05-27 | 广东华田电器有限公司 | Safety net automatic detection device |
| CN105424308A (en) * | 2015-12-25 | 2016-03-23 | 芜湖亚奇汽车部件有限公司 | Plastic fuel tank rear collision test device and test method thereof |
| CN105571962A (en) * | 2016-03-01 | 2016-05-11 | 南京理工大学 | Falling hammer impact test device |
-
2016
- 2016-07-20 CN CN201610574791.8A patent/CN106290013A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2217024A (en) * | 1988-03-31 | 1989-10-18 | Hoya Corp | Drop tester |
| CN203069466U (en) * | 2013-01-29 | 2013-07-17 | 中建商品混凝土有限公司 | Device for testing impact resistance of cement-based binding material and concrete |
| CN204359504U (en) * | 2014-12-30 | 2015-05-27 | 广东华田电器有限公司 | Safety net automatic detection device |
| CN105424308A (en) * | 2015-12-25 | 2016-03-23 | 芜湖亚奇汽车部件有限公司 | Plastic fuel tank rear collision test device and test method thereof |
| CN105571962A (en) * | 2016-03-01 | 2016-05-11 | 南京理工大学 | Falling hammer impact test device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449679A (en) * | 2017-06-30 | 2017-12-08 | 北京航空航天大学 | A kind of lander foot pad impacts soil mechanics characteristic measuring device |
| CN109298073A (en) * | 2018-10-10 | 2019-02-01 | 大连民族大学 | Seismic wave method cement road surface plate bottom empty detector and detection method |
| CN109765130A (en) * | 2019-03-05 | 2019-05-17 | 安徽理工大学 | A kind of multi-function device of concrete material impact test |
| CN110208110A (en) * | 2019-05-21 | 2019-09-06 | 哈尔滨工程大学 | A kind of experimental provision for analyzing ice failure by shear characteristic |
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| PB01 | Publication | ||
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Application publication date: 20170104 |