CN107560818A - Oversize falling weight impact test device - Google Patents
Oversize falling weight impact test device Download PDFInfo
- Publication number
- CN107560818A CN107560818A CN201710932753.XA CN201710932753A CN107560818A CN 107560818 A CN107560818 A CN 107560818A CN 201710932753 A CN201710932753 A CN 201710932753A CN 107560818 A CN107560818 A CN 107560818A
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- side wall
- bracket base
- support
- pulley
- impact test
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Abstract
The present invention discloses a kind of oversize falling weight impact test device, for carrying out impact test to structural test piece (4), including relative thirty years of age left side wall (11) and right-side wall (12), in addition to for installing the support (33) and bracket base (32) of jump bit release system；Bracket base (32) both ends are overlapped on left side wall (11) and right-side wall (12) upper end respectively, and can be movable along left and right side wall (11,12)；The support (33) is removable to be fixed on bracket base (32), and can be moved left and right along bracket base (32)；The jump bit release system is fixed in support (33), for hanging and discharging jump bit (37).The experimental rig of the present invention, suitable for most of prototype structure components, result of the test is accurate, and can easily measure instrument installation and test specimen fixed operation.
Description
Technical field
The invention belongs to structural elements impact experiment engineering device technique field, particularly a kind of result is accurate, operation side
Just oversize falling weight impact test device.
Background technology
Building can also bear dynamic load in addition to static load to be born in use, and wherein impact load is to structure
Influence relatively large, generally use falling weight impact test device progress structural elements impact experiment.
However, due to the limitation of existing structure component impact experiment device own dimensions, can be by actual work in experiment
Structural elements in journey reduces by a certain percentage, and this accuracy to experimental result has undesirable effect.Simultaneously as existing reality
The space that experiment device places test specimen is limited, and the operations such as the installation and test specimen to measuring instrument are fixed cause difficulty.
In a word, the problem of prior art is present be：Impact test apparatus permission sample dimensions are small, and test specimen is put and measuring instrument
Device installing space is small, inconvenient for operation, as a result inaccurate.
The content of the invention
It is an object of the invention to provide a kind of oversize falling weight impact test device, suitable for most of prototype structures
Component, result of the test is accurate, and can easily measure instrument installation and test specimen fixed operation.
The technical solution for realizing the object of the invention is：
A kind of oversize falling weight impact test device, for carrying out impact test to structural test piece 4, including it is relative thirty years of age
Left side wall 11 and right-side wall 12, in addition to for install jump bit release system support 33 and bracket base 32；The branch
The both ends of frame base 32 are overlapped on left side wall 11 and the upper end of right-side wall 12 respectively, and can be movable along left and right side wall 11,12；Institute
State that support 33 is removable to be fixed on bracket base 32, and can be moved left and right along bracket base 32；The jump bit discharges system
It is fixed in support 33, for hanging and discharging jump bit 37.
Compared with prior art, its remarkable advantage is the present invention：
1st, falling weight impact test can be carried out to oversize test specimen：The support for being provided with jump bit is placed into branch by the present invention
On frame base, then base is placed on side wall so that test specimen does not have to distance between by frame bottom supporting leg and limited, side wall
The distance between can meet the sizes of most of prototype structure components, for slender member, can also be placed parallel to side wall,
Size is allowed further to amplify, result of the test is accurate.
2nd, the operation such as instrument installation and test specimen fixation can easily be measured：Because bracket base can be on guide rail
It is mobile, when fixing test specimen and various measuring instruments being installed, the bracket base of top is removed, installed after terminating again by support
Required position is moved back into, greatly facilitates the operation of experimenter.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
The dimensional structure diagram of Fig. 1 oversize falling weight impact test devices of the present invention.
Fig. 2 is Fig. 1 front view.
Fig. 3 is Fig. 1 right view.
Fig. 4 is Fig. 1 top view.
In figure, 1 side wall, Bridge 2 formula crane, 31a rollers, 31b guide rails, 32 bracket bases, 33 supports, 33a bases framework,
33b fixed covers, 34 motor, 35a first pulleys, 35b second pulleys, the pulleys of 35c the 3rd, 36 electromagnetism hook, 37 jump bits, 4
Test specimen.
Embodiment
As shown in figure 1, oversize falling weight impact test device of the present invention, for carrying out impact test to structural test piece 4,
Including relative thirty years of age left side wall 11 and right-side wall 12, in addition to for installing support 33 and the support bottom of jump bit release system
Seat 32；The both ends of bracket base 32 are overlapped on left side wall 11 and the upper end of right-side wall 12 respectively, and can be along left and right side wall 11,12
It is movable；The support 33 is removable to be fixed on bracket base 32, and can be moved left and right along bracket base 32；The impact
Hammer release system is fixed in support 33, for hanging and discharging jump bit 37.
As shown in Figure 2,3, 4, the left and right side wall 11,12 upper ends are provided with roller 31a, and the both ends of bracket base 32 are set
There is the guide rail 31b matched with roller 31a, make bracket base 32 movable along left and right side wall 11,12.
It can be moved away when installing test specimen 4 from top, avoid hindering operation, when carrying out impact test, in that context it may be convenient to
The front and rear impact position of jump bit 37 is adjusted, and test specimen 4 need not then move.
The bracket base 32 is plane frame structure, and support 33 is space frame structure, the boundary frame area of the support 33
Frame 33a matches with bracket base 32, and can be moved left and right along bracket base 32, and base framework 33a is removable by fixed cover 33b
It is fixed on bracket base 32.
The left and right impact position of jump bit 37 can be easily adjusted, and test specimen 4 need not then move.
Preferably,
Jump bit release system include motor 34, first pulley 35a, second pulley 35b, the 3rd pulley 35c and
Electromagnetism hook 36；
The motor 34 is installed in the middle part of the one end of bracket base 32, and the first pulley 35a is installed in the bottom of support 33
For frame 33a close to the middle side part of motor 34 1, the second pulley 35b is installed in the top plate lower surface center of support 33 deviation electricity
The side of motivation 34, the electromagnetism are linked up with 36 upper ends and are fixedly connected with the 3rd pulley 35c axle, and electromagnetism links up with the suspension impact of 36 lower ends
Hammer 37, in addition to a pull rope, described pull rope one end are fixed on the side of 33 top plate lower surface center deviation motor of support 34,
The other end is wrapped in motor successively around the 3rd pulley 35c lower edges, on second pulley 35b after edge and first pulley 35a lower edges
In 34 rotating shafts.
Preferably, in addition to bridge crane 2, the both ends of bridge crane 2 are overlapped on left and right side wall 11,12 respectively
On the slide rail of inner side, and can be movable along left and right side wall 11,12.
Laboratory operating procedures are：
1st, whether checkout facility device can be with normal operation, including bridge crane 2 and jump bit release system etc.；
2nd, the riding position of test specimen 4 and the off-position of jump bit 37 are determined, bracket base 32 is moved to away from off-position
Place, is on the one hand to security consideration, is on the other hand for the experiment preparation without prejudice to lower section, uses bridge crane
Impact test test specimen 4 is placed into required position, and fixing device for installing and measuring instrument by 2, is debugged；
3rd, right position of the support 33 on bracket base 32 is adjusted, installation fixed cover 33b is with fixed support 33, adjustment punching
The height of hammer 37, then moves forward and backward bracket base 32 the predetermined off-position of jump bit 37, the position of jump bit 37 is flexible
Adjustable, the convenient test specimen to identical size carries out the experiment of different impact positions；
4th, tested, recover the state to before testing after off-test；
5th, the test data and phenomenon that collect are arranged and analyzed.
Claims (5)
- A kind of 1. oversize falling weight impact test device, for carrying out impact test to structural test piece (4), it is characterised in that：Including relative thirty years of age left side wall (11) and right-side wall (12), in addition to for installing the support of jump bit release system And bracket base (32) (33)；Bracket base (32) both ends are overlapped on left side wall (11) and right-side wall (12) upper end respectively, and can be along left and right side wall (11,12) move forward and backward；The support (33) is removable to be fixed on bracket base (32), and can be moved left and right along bracket base (32)；The jump bit release system is fixed in support (33), for hanging and discharging jump bit (37).
- 2. falling weight impact test device according to claim 1, it is characterised in that：Left and right side wall (the 11,12) upper end is provided with roller (31a), and bracket base (32) both ends are provided with and roller (31a) The guide rail (31b) of matching, make bracket base (32) movable along left and right side wall (11,12).
- 3. falling weight impact test device according to claim 1, it is characterised in that：The bracket base (32) is plane frame structure, and support (33) is space frame structure, the base of the support (33) Framework (33a) matches with bracket base (32), and can be moved left and right along bracket base (32), and base framework (33a) passes through fixation (33b) is removable is fixed on bracket base (32) for set.
- 4. falling weight impact test device according to claim 3, it is characterised in that：The jump bit release system includes motor (34), first pulley (35a), second pulley (35b), the 3rd pulley (35c) and electromagnetism link up with (36)；The motor (34) is installed in the middle part of bracket base (32) one end, and the first pulley (35a) is installed in support (33) Base framework (33a) be installed in support (33) top plate following table close to motor (34) one middle side part, the second pulley (35b) Motor (34) side is inclined at face center, and electromagnetism hook (36) upper end is fixedly connected with the axle of the 3rd pulley (35c), electromagnetism (36) lower end suspension jump bit (37) is linked up with, in addition to a pull rope, described pull rope one end are fixed under support (33) top plate Centre of surface deviates motor (34) side, and the other end is successively around edge in the 3rd pulley (35c) lower edge, second pulley (35b) After first pulley (35a) lower edge, it is wrapped in motor (34) rotating shaft.
- 5. falling weight impact test device according to claim 1, it is characterised in that：Also include bridge crane (2), bridge crane (2) both ends are overlapped on the inside of left and right side wall (11,12) respectively On slide rail, and can be movable along left and right side wall (11,12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710932753.XA CN107560818A (en) | 2017-10-10 | 2017-10-10 | Oversize falling weight impact test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710932753.XA CN107560818A (en) | 2017-10-10 | 2017-10-10 | Oversize falling weight impact test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107560818A true CN107560818A (en) | 2018-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710932753.XA Pending CN107560818A (en) | 2017-10-10 | 2017-10-10 | Oversize falling weight impact test device |
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| CN (1) | CN107560818A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398223A (en) * | 2018-01-17 | 2018-08-14 | 西安理工大学 | A kind of heavy duty vertical impact testing equipment |
| CN108801813A (en) * | 2018-05-17 | 2018-11-13 | 兰州理工大学 | Single-point bump test device |
| CN110411867A (en) * | 2019-08-02 | 2019-11-05 | 郑州大学 | A kind of novel and multifunctional concussion fracture experimental rig and application method |
| CN110579328A (en) * | 2019-10-10 | 2019-12-17 | 浙江大学台州研究院 | reverse impact detection table for electronic steering power-assisted assembly |
| WO2020238396A1 (en) * | 2019-05-31 | 2020-12-03 | 长安大学 | Fusible hook device based on impact test, and operating method |
| CN113514217A (en) * | 2021-06-04 | 2021-10-19 | 桂林理工大学 | Testing device and testing method for simulating impact on building structure in fire |
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| CN103776603A (en) * | 2014-02-13 | 2014-05-07 | 山东理工大学 | Trampoline detecting device and method |
| KR20160000248A (en) * | 2014-06-24 | 2016-01-04 | 고려대학교 산학협력단 | Skull cracker and test apparatus for evaluating impact resistance of two-way concrete elements using thereof |
| CN106092491A (en) * | 2016-07-28 | 2016-11-09 | 苏州高通机械科技有限公司 | A kind of impact test apparatus |
| CN207300531U (en) * | 2017-10-10 | 2018-05-01 | 中国人民解放军陆军工程大学 | Oversize falling weight impact test device |
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Patent Citations (6)
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| CN102680200A (en) * | 2012-05-25 | 2012-09-19 | 湖南大学 | Airbag head hammer falling static testing device |
| CN103234843A (en) * | 2013-05-09 | 2013-08-07 | 昆山市创新科技检测仪器有限公司 | Falling weight impact testing machine |
| CN103776603A (en) * | 2014-02-13 | 2014-05-07 | 山东理工大学 | Trampoline detecting device and method |
| KR20160000248A (en) * | 2014-06-24 | 2016-01-04 | 고려대학교 산학협력단 | Skull cracker and test apparatus for evaluating impact resistance of two-way concrete elements using thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398223A (en) * | 2018-01-17 | 2018-08-14 | 西安理工大学 | A kind of heavy duty vertical impact testing equipment |
| CN108801813A (en) * | 2018-05-17 | 2018-11-13 | 兰州理工大学 | Single-point bump test device |
| CN108801813B (en) * | 2018-05-17 | 2020-12-25 | 兰州理工大学 | Single-point continuous impact test device |
| WO2020238396A1 (en) * | 2019-05-31 | 2020-12-03 | 长安大学 | Fusible hook device based on impact test, and operating method |
| CN110411867A (en) * | 2019-08-02 | 2019-11-05 | 郑州大学 | A kind of novel and multifunctional concussion fracture experimental rig and application method |
| CN110411867B (en) * | 2019-08-02 | 2022-02-22 | 郑州大学 | Novel multifunctional impact fracture test device and use method |
| CN110579328A (en) * | 2019-10-10 | 2019-12-17 | 浙江大学台州研究院 | reverse impact detection table for electronic steering power-assisted assembly |
| CN110579328B (en) * | 2019-10-10 | 2024-04-09 | 浙江大学台州研究院 | Reverse impact detection table for electronic steering power-assisted assembly |
| CN113514217A (en) * | 2021-06-04 | 2021-10-19 | 桂林理工大学 | Testing device and testing method for simulating impact on building structure in fire |
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