CN106124155A - A kind of drop hammer impact testing machine - Google Patents
A kind of drop hammer impact testing machine Download PDFInfo
- Publication number
- CN106124155A CN106124155A CN201610776908.0A CN201610776908A CN106124155A CN 106124155 A CN106124155 A CN 106124155A CN 201610776908 A CN201610776908 A CN 201610776908A CN 106124155 A CN106124155 A CN 106124155A
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- China
- Prior art keywords
- pulley
- stand
- block
- weight
- elastic rope
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
-
- 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
Abstract
The present invention relates to a kind of drop hammer impact testing machine, including board, stand, upright guide rail is set in stand, stand top is provided with elevating mechanism, elevating mechanism drives latching device lifting, upright guide rail below latching device is provided with weight block frame, weight block top of the trellis is provided with snap close body, weight frame is provided with roller, stand is provided with the fixed mechanism of fixing elastic rope, stand arranges the side bottom of upright guide rail and is provided with pulley mechanism, pulley mechanism includes pulley body, elastic rope one end walks around the pulley body of upright guide rail side bottom successively with one of them fixed mechanism after being connected, the elastic rope other end is connected with another fixed mechanism, weight block is provided with and links block, elastic rope between pulley body is positioned on the ascending path linking block.The present invention utilizes elastic rope that weight frame is applied energy, it is possible to meeting bigger drop impact power test, the roller on weight frame advantageously reduces the energy loss of weight frame test, tests more stable.
Description
Technical field
The present invention relates to testing equipment, particularly to a kind of drop hammer impact testing machine.
Background technology
In testing of materials industry, drop hammer impact testing machine is that the samples such as metal, plastics, composite carry out impact examination
Test and apply a kind of special equipment.Existing drop hammer impact testing machine generally uses weight block to make at differing heights
Freely falling body carries out impact test, and it is little that this kind of mode tests scope, the poor stability of measuring accuracy.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of drop hammer impact testing machine.
The technical solution adopted for the present invention to solve the technical problems is: a kind of drop hammer impact testing machine, including board, sets
Being placed in the stand on described board, described stand is vertically arranged with in parallel two upright guide rails, described stand top is provided with liter
Descending mechanism, described elevating mechanism drives latching device lifting, and the upright guide rail below described latching device is provided with weight block frame,
Described weight block frame is provided with weight block, and described weight block top of the trellis is provided with the snap close body coordinated with described latching device, institute
Stating weight frame and be provided with the roller coordinated with described upright guide rail, described stand arranges the side top of upright guide rail and is provided with fixing
The fixed mechanism of elastic rope, described stand arranges the side bottom of upright guide rail and is provided with pulley mechanism, described pulley mechanism bag
Including pulley body, upright guide rail side bottom is walked around after being connected with one of them fixed mechanism successively in described elastic rope one end
Pulley body, the elastic rope other end is connected with another fixed mechanism, and described weight block is provided with and links block, described pulley body
Between elastic rope be positioned at described in link on the ascending path of block.
Above-mentioned design is utilizing elastic rope that weight frame is applied energy, it is possible to meet bigger drop impact power examination
Testing, the roller on weight frame advantageously reduces the energy loss of weight frame test, tests more stable.
As the further improvement of the design, described latching device include hook pawl that matrix and described matrix be rotationally connected,
Arranging cylinder on the matrix, arrange the sheave on the matrix and coordinated with described upright guide rail, described hook pawl is opened
Mouth side and back are equipped with control arm, and the cylinder rod of described cylinder is positioned in the swing path of described control arm, the most described gas
The cylinder rod of cylinder promotes described control arm and then driving to hook pawl and rotates so that hooks pawl and described snap close body clamping or separates.On
State design simple in construction, simple operation, it is possible to arranged by weight frame at arbitrary height to meet the test to different impulsive forces.
As the further improvement of the design, the control arm of described hook pawl opening side is provided with and is connected with described matrix
Extension spring, described extension spring drops described hook pawl and rotates and then make to hook pawl and described snap close body clamping, is beneficial to lifting and hooks claw-like state
Stability, prevent snap close body from breaking off relations.
As the further improvement of the design, described matrix is provided with sense weight frame and passes relative to the position of position with matrix
Sensor.Effectively prevent weight frame from colliding with latching device, it is simple to weight frame and the Automated condtrol of latching device clamping.
As the further improvement of the design, described pulley mechanism also includes contiguous block, the setting being connected with described stand
Described contiguous block struts the swing arm that cylinder is hinged with described contiguous block, described in strut cylinder with described swing arm transmission even
Connecing, described pulley body is arranged in described swing arm, described in strut air cylinder driven swing arm swing, described pulley body pulls elasticity
Rope swings out and then elastic rope between pulley body departs from and links on the ascending path of block and weight frame, it is simple to switching
Whether weight frame loads the elastic force of elastic rope.
As the further improvement of the design, before and after described weight frame, both sides are equipped with and link block, are arranged on stand side
Fixed mechanism include the first substrate being connected with described stand, the big pulley being arranged on described first substrate, be arranged on vertical
The fixed mechanism of frame opposite side includes the second substrate being connected with frame, is front and back arranged on the truckle on described second substrate,
Being provided with two pulley bodies before and after on each described pulley mechanism, it is little that described elastic rope one end is fixed on rear side of second substrate
Again upwards about walking around pulley after excessive pulley the most successively after walking around two pulley bodies on rear side of pulley mechanism after on pulley successively
After pulley body on front side of body with second substrate on front side of truckle fix.It is easy to weight frame is applied the elastic force of balance, surveys
Try more stable.
As the further improvement of the design, described in link block and be the secter pat raised up and be provided with along linking block edge
Arcuate furrow, it is simple to secter pat links for elastic rope.
As the further improvement of the design, described matrix is provided with aerodynamic brake sheet, described in be vertically directed bar be cylinder
Shape polished rod, described aerodynamic brake sheet coordinates with the described bar that is vertically directed, and eight drift angles of described weight frame are respectively provided with a roller, institute
Stating the pivot center of roller vertical with the described axis antarafacial being vertically directed bar, the periphery of described roller is vertically directed in described
The outer circumference surface laminating of bar, aerodynamic brake sheet is easy to matrix brake, and eight rollers of weight frame are easy to the guiding to weight frame,
And good stability.
As the further improvement of the design, described elevating mechanism includes the lifting motor being arranged on described stand top,
Described lifting motor drive connection has lifting wheel, and described lifting wheel is wound with lifting chain, described lifting chain one end and described snap close
Mechanism connects, and the described lifting chain other end connects balancing weight, and described stand is provided with the upright slide rail coordinated with described balancing weight,
Described stand top is provided with the commutation wheels coordinated with described lifting chain.Low cost, volume is little.
As the further improvement of the design, described elevating mechanism includes promoting motor and described lifting motor drives even
The leading screw connect, described leading screw coordinates with latching device, and the most described leading screw drives the lifting of described latching device, and rotational noise is little.
The invention has the beneficial effects as follows: the present invention utilizes elastic rope that weight frame is applied energy, it is possible to meet bigger
Drop impact power is tested, and the roller on weight frame advantageously reduces the energy loss of weight frame test, tests more stable.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is present invention side schematic view when not installing board.
Fig. 3 is latching device generalized section of the present invention.
Fig. 4 is that the present invention launches and the perspective view of guidance system.
Fig. 5 is the second Facad structure schematic diagram of the present invention.
1. board in the drawings, 2. stand, 3. upright guide rail, 4. weight block frame, 5. latching device, 6. elevating mechanism are the biggest
Pulley, 8. truckle, 9. balancing weight, 10. commutation wheels, 11. lifting wheels, 12. matrixes, 13. cylinders, 14. sheaves, 15. is pneumatic
Brake block, 16. control arms, 17. hook pawl, 18. position sensors, 19. weight blocks, 20. snap close bodies, 21. rollers, 22. pulleys
Mechanism, 23. fixed mechanisms, 24. pulley bodies, 25. link block, 26. extension springs, 27. swing arms, 28. contiguous blocks, and 29. strut cylinder,
30. first substrates, 31. second substrates, 32. arcuate furrows, 33. lifting motors, 34. lifting chains, 35. upright slide rails, 36.
Thick stick.
Detailed description of the invention
The present invention is described in detail, illustrative examples therein and saying below in conjunction with accompanying drawing and specific embodiment
Bright being only used for explains the present invention, but not as a limitation of the invention.
Embodiment 1: a kind of drop hammer impact testing machine, including board 1, the stand 2 that is arranged on described board 1, described vertical
Vertically being arranged with two upright guide rails 3 on frame 2 in parallel, described stand 2 top is provided with elevating mechanism 6, and described elevating mechanism 6 drives
Latching device 5 lifts, and the upright guide rail 3 below described latching device 5 is provided with weight block frame 4, and described weight block frame 4 is provided with
Weight block 19, described weight block frame 4 top is provided with the snap close body 20 coordinated with described latching device 5, described weight frame sets
The roller 21 coordinated with described upright guide rail 3, the side top that described stand 2 arranges upright guide rail 3 is had to be provided with fixing elastic threads
The fixed mechanism 23 of rope, the side bottom that described stand 2 arranges upright guide rail 3 is provided with pulley mechanism 22, described pulley mechanism 22
Including pulley body 24, described elastic rope one end walks around upright guide rail 3 side successively with one of them fixed mechanism 23 after being connected
Pulley body 24 bottom face, the elastic rope other end is connected with another fixed mechanism 23, and described weight block 19 is provided with and links
Block 25, the elastic rope between described pulley body 24 be positioned at described in link on the ascending path of block 25.
Above-mentioned design is utilizing elastic rope that weight frame is applied energy, it is possible to meet bigger drop impact power examination
Testing, the roller 21 on weight frame advantageously reduces the energy loss of weight frame test, tests more stable.
As the further improvement of the design, described latching device 5 includes what matrix 12 and described matrix 12 were rotationally connected
Hook pawl 17, the cylinder 13 being arranged on described matrix 12, the groove that is arranged on described matrix 12 and coordinates with described upright guide rail 3
Wheel 14, described hook pawl 17 opening side and back are equipped with control arm 16, and cylinder 13 bar of described cylinder 13 is positioned at described manipulation
In the swing path of arm 16, cylinder 13 bar of the most described cylinder 13 promotes described control arm 16 and then drives hook pawl 17 to rotate, and makes
Pawl 17 and the clamping of described snap close body 20 must be hooked or separate.Above-mentioned design simple in construction, simple operation, it is possible to weight frame is arranged
At arbitrary height to meet the test to different impulsive forces.
As the further improvement of the design, the control arm 16 of described hook pawl 17 opening side is provided with and described matrix 12
The extension spring 26 connected, described extension spring 26 drops described hook pawl 17 and rotates and then make to hook pawl 17 and the clamping of described snap close body 20,
It is beneficial to promote the stability hooking pawl 17 state, prevents snap close body 20 from breaking off relations.
As the further improvement of the design, described matrix 12 is provided with the position of sense weight frame position relative with matrix 12
Put sensor 18.Effectively prevent weight frame from colliding with latching device 5, it is simple to automatization's control of weight frame and latching device 5 clamping
System.
As the further improvement of the design, contiguous block 28 that described pulley mechanism 22 also includes being connected with described stand 2,
Be arranged on described contiguous block 28 struts the swing arm 27 that cylinder 29 is hinged with described contiguous block 28, described in strut cylinder 29 with
Described swing arm 27 is in transmission connection, and described pulley body 24 is arranged in described swing arm 27, described in strut cylinder 29 and drive swing arm 27
Swinging, described pulley body 24 is pullled elastic rope and is swung out and then elastic rope between pulley body 24 departs from and links block
25 and weight frame ascending path on, it is simple to whether switching weight frame loads the elastic force of elastic rope.
As the further improvement of the design, before and after described weight frame, both sides are equipped with and link block 25, are arranged on stand 2 one
The fixed mechanism 23 of side includes the first substrate 30 being connected with described stand 2, the big pulley being arranged on described first substrate 30
7, it is arranged on the fixed mechanism 23 of stand 2 opposite side and includes the second substrate 31 being connected with frame, be front and back arranged on described second
Truckle 8 on substrate 31, each described pulley mechanism 22 is front and back provided with two pulley bodies 24, described elastic rope one end
Walk around successively after being fixed on the truckle 8 on rear side of second substrate 31 after two pulley bodies 24 on rear side of pulley mechanism 22 again to
On walk around the most successively after excessive pulley 7 after the pulley body 24 on front side of pulley body 24 with second substrate 31 on front side of truckle
8 fix.It is easy to weight frame is applied the elastic force of balance, tests more stable.
As the further improvement of the design, described in link block 25 and be the secter pat raised up and edge links block 25 edge
It is provided with arcuate furrow 32, it is simple to secter pat links for elastic rope.
As the further improvement of the design, described matrix 12 is provided with aerodynamic brake sheet 15, described in be vertically directed bar and be
Cylindrical polished rod, described aerodynamic brake sheet 15 coordinates with the described bar that is vertically directed, and eight drift angles of described weight frame are respectively provided with one
Roller 21, the pivot center of described roller 21 is vertical with the described axis antarafacial being vertically directed bar, the periphery of described roller 21
In the described outer circumference surface laminating being vertically directed bar, aerodynamic brake sheet 15 is easy to brake matrix 12, eight rollers of weight frame
21 are easy to the guiding to weight frame, and good stability.
As the further improvement of the design, described elevating mechanism 6 includes the lifting motor being arranged on described stand 2 top
33, described lifting motor 33 drive connection has lifting wheel 11, and described lifting wheel 11 is wound with lifting chain 34, described lifting chain 34 1
End is connected with described latching device 5, and described lifting chain 34 other end connects balancing weight 9, and described stand 2 is provided with and described counterweight
The upright slide rail 35 that block 9 coordinates, described stand 2 top is provided with the commutation wheels 10 coordinated with described lifting chain 34.Low cost, body
Long-pending little.
Embodiment 2: the present embodiment difference from embodiment 1 is that described elevating mechanism 6 includes promoting motor 33 and institute
Stating the leading screw promoting motor 33 drive connection, described leading screw coordinates with latching device 5, and the most described leading screw drives described latching device
5 liftings, rotational noise is little.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. a drop hammer impact testing machine, including board, the stand that is arranged on described board, it is characterised in that described stand
On be vertically arranged with two upright guide rails in parallel, described stand top is provided with elevating mechanism, and described elevating mechanism drives locking machine
Structure lifts, and the upright guide rail below described latching device is provided with weight block frame, and described weight block frame is provided with weight block, described
Weight block top of the trellis is provided with the snap close body coordinated with described latching device, and described weight frame is provided with joins with described upright guide rail
The roller closed, described stand arranges the side top of upright guide rail and is provided with the fixed mechanism of fixing elastic rope, and described stand sets
The side bottom putting upright guide rail is provided with pulley mechanism, and described pulley mechanism includes pulley body, described elastic rope one end with
One of them fixed mechanism walks around the pulley body of upright guide rail side bottom successively after connecting, the elastic rope other end and another
Fixed mechanism connect, described weight block is provided with and links block, the elastic rope between described pulley body be positioned at described in link block
Ascending path on.
A kind of drop hammer impact testing machine the most according to claim 1, is characterized in that, described latching device include matrix and
What described matrix was rotationally connected hook pawl, cylinder on the matrix is set, arranges and on the matrix and vertically lead with described
The sheave that rail coordinates, described hook pawl opening side and back be equipped with control arm, and the cylinder rod of described cylinder is positioned at described manipulation
In the swing path of arm, the cylinder rod of the most described cylinder promotes described control arm and then driving to hook pawl and rotates so that hook pawl and institute
State snap close body clamping or separation.
A kind of drop hammer impact testing machine the most according to claim 2, is characterized in that, the control arm of described hook pawl opening side
Being provided with the extension spring being connected with described matrix, described extension spring drops described hook pawl and rotates and then make to hook pawl and described snap close body
Clamping.
A kind of drop hammer impact testing machine the most according to claim 2, is characterized in that, described matrix is provided with sense weight frame
With matrix relative to the position sensor of position.
A kind of drop hammer impact testing machine the most according to claim 1, is characterized in that, described pulley mechanism also includes with described
Stand connect contiguous block, be arranged on described contiguous block strut the swing arm that cylinder is hinged with described contiguous block, described in strut
Cylinder is in transmission connection with described swing arm, and described pulley body is arranged in described swing arm, described in strut air cylinder driven swing arm swing,
Described pulley body is pullled elastic rope and is swung out and then elastic rope between pulley body departs from and links block and weight frame
Ascending path on.
A kind of drop hammer impact testing machine the most according to claim 1, is characterized in that, before and after described weight frame, both sides are equipped with
Linking block, the fixed mechanism being arranged on stand side includes the first substrate being connected with described stand, is arranged on described first base
Big pulley on plate, is arranged on the fixed mechanism of stand opposite side and includes the second substrate being connected with frame, is front and back arranged on institute
State the truckle on second substrate, each described pulley mechanism is front and back provided with two pulley bodies, described elastic rope one end
Walk around successively after being fixed on the truckle on rear side of second substrate after two pulley bodies on rear side of pulley mechanism again up around
After walking around the pulley body on front side of pulley body the most successively after big pulley with second substrate on front side of truckle fix.
A kind of drop hammer impact testing machine the most according to claim 1, is characterized in that, described in link block be the fan raised up
Shape block and edge link block edge and are provided with arcuate furrow.
A kind of drop hammer impact testing machine the most according to claim 2, is characterized in that, described matrix is provided with aerodynamic brake
Sheet, described in be vertically directed bar for cylindrical polished rod, described aerodynamic brake sheet coordinates with the described bar that is vertically directed, described weight frame eight
Individual drift angle is respectively provided with a roller, and the pivot center of described roller is vertical with the described axis antarafacial being vertically directed bar, described rolling
The periphery of wheel is in the described outer circumference surface laminating being vertically directed bar.
A kind of drop hammer impact testing machine the most according to claim 1, is characterized in that, described elevating mechanism includes being arranged on institute
Stating the lifting motor at stand top, described lifting motor drive connection has lifting wheel, described lifting wheel is wound with lifting chain, described
Promoting chain one end to be connected with described latching device, the described lifting chain other end connects balancing weight, and described stand is provided with described
The upright slide rail that balancing weight coordinates, described stand top is provided with the commutation wheels coordinated with described lifting chain.
A kind of drop hammer impact testing machine the most according to claim 1, is characterized in that, described elevating mechanism includes promoting horse
Reaching and the leading screw of described lifting motor drive connection, described leading screw coordinates with latching device, and the most described leading screw drives described snap close
Mechanism lifts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610776908.0A CN106124155B (en) | 2016-08-31 | 2016-08-31 | A kind of drop hammer impact testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610776908.0A CN106124155B (en) | 2016-08-31 | 2016-08-31 | A kind of drop hammer impact testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106124155A true CN106124155A (en) | 2016-11-16 |
| CN106124155B CN106124155B (en) | 2019-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610776908.0A Expired - Fee Related CN106124155B (en) | 2016-08-31 | 2016-08-31 | A kind of drop hammer impact testing machine |
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Cited By (6)
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| CN106950089A (en) * | 2017-03-30 | 2017-07-14 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of automatic simultaneous manual hammering device of large-scale compaction test instrument and method |
| CN107271298A (en) * | 2017-06-22 | 2017-10-20 | 上海复合材料科技有限公司 | Launching tube end cap breaks through pilot system and its test method |
| CN108931447A (en) * | 2018-08-01 | 2018-12-04 | 格力电器（武汉）有限公司 | A kind of shock machine |
| CN109406306A (en) * | 2018-10-24 | 2019-03-01 | 北京延锋北汽汽车内饰件有限公司 | A kind of drop hammer impact testing machine |
| CN110514537A (en) * | 2019-09-19 | 2019-11-29 | 中国科学院武汉岩土力学研究所 | Falling weight impact test device |
| CN112683698A (en) * | 2020-12-21 | 2021-04-20 | 西安交通大学 | Tensile impact test stand with medium strain rate for material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950089A (en) * | 2017-03-30 | 2017-07-14 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of automatic simultaneous manual hammering device of large-scale compaction test instrument and method |
| CN106950089B (en) * | 2017-03-30 | 2023-08-18 | 中国电力工程顾问集团中南电力设计院有限公司 | Automatic and manual hammering device and method for large compaction instrument |
| CN107271298A (en) * | 2017-06-22 | 2017-10-20 | 上海复合材料科技有限公司 | Launching tube end cap breaks through pilot system and its test method |
| CN107271298B (en) * | 2017-06-22 | 2020-04-07 | 上海复合材料科技有限公司 | Launch canister end cover burst test system and test method thereof |
| CN108931447A (en) * | 2018-08-01 | 2018-12-04 | 格力电器（武汉）有限公司 | A kind of shock machine |
| CN109406306A (en) * | 2018-10-24 | 2019-03-01 | 北京延锋北汽汽车内饰件有限公司 | A kind of drop hammer impact testing machine |
| CN110514537A (en) * | 2019-09-19 | 2019-11-29 | 中国科学院武汉岩土力学研究所 | Falling weight impact test device |
| CN110514537B (en) * | 2019-09-19 | 2024-05-07 | 中国科学院武汉岩土力学研究所 | Drop hammer impact test device |
| CN112683698A (en) * | 2020-12-21 | 2021-04-20 | 西安交通大学 | Tensile impact test stand with medium strain rate for material |
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| CN106124155B (en) | 2019-09-03 |
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