CN105259022A - Falling hammer secondary collision prevention device - Google Patents
Falling hammer secondary collision prevention device Download PDFInfo
- Publication number
- CN105259022A CN105259022A CN201510732342.7A CN201510732342A CN105259022A CN 105259022 A CN105259022 A CN 105259022A CN 201510732342 A CN201510732342 A CN 201510732342A CN 105259022 A CN105259022 A CN 105259022A
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- connecting rod
- guidepost
- hammer
- bearing pin
- trigger mechanism
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Abstract
The invention discloses a falling hammer secondary collision prevention device, which comprises a test table and a falling hammer, wherein the top end of the test table is provided with a left positioning block and a right positioning block which are mutually parallel; the top end of the left positioning block is provided with a left guide post; the top end of the right positioning block is provided with a right guide post; a falling hammer can upwards and downwards slide along the left guide post and the right guide post at the same time; a pressure bearing post is arranged between the left guide post and the right guide post; a left crank slide block mechanism is arranged on the top end of the left positioning block; a right crank slide block mechanism is arranged on the top end of the right positioning block; each of the left crank slide block mechanism and the right crank slide block mechanism comprises a first connecting rod and a second connecting rod; extending-out grooves are respectively formed in opposite positions of the opposite inner sides of the left guide post and the right guide post; one end of the second connecting rod can go in or out along the extending-out groove; the falling hammer secondary collision prevention device also comprises a triggering mechanism used for driving the first connecting rod and the second connecting rod arranged in the left and right crank slide block mechanisms to act. The falling hammer secondary collision prevention device has the advantages that the secondary collision of the falling hammer during secondary falling with the pressure bearing post can be effectively prevented; the structure is simple; the operation is convenient.
Description
Technical field
The invention belongs to gallery test system to drop hammer control technology field, particularly relate to one and prevent the secondary impact device that drops hammer.
Background technology
In deep tunnel excavation similar test, back needs to apply dynamic loading, the realization of dynamic loading is by the impact of falling of dropping hammer, lower backwardness of dropping hammer upspring to top, tunnel again shock can impact test findings, affect the accuracy of an impact test experimental result.The research of current domestic and international anti-secondary impact mainly comprises mechanical type, pneumatic type, electromagnetic type, fluid pressure type etc.As semi-automatic pneumatic clamp device, height of drop computer controlled automatic and the lifting of dropping hammer; Electromagnet automatic capturing, prevents sample by secondary pulse.And the existing anti-secondary impact device that drops hammer is mostly for the anti-secondary impact device on small impingement testing machine, lack for the anti-test unit that drops hammer of large-scale impulse test.
As can be seen here, prior art awaits further improving.
Summary of the invention
The present invention is the weak point avoiding above-mentioned prior art to exist, and provides a kind ofly to prevent for large-scale impact testing machine the secondary impact device that drops hammer.
The technical solution adopted in the present invention is:
One prevents the secondary impact device that drops hammer, comprise testing table and drop hammer, the top of testing table is provided with the left locating piece and right locating piece that are parallel to each other, the top of left locating piece is provided with left guidepost, the top of right locating piece is provided with right guidepost, and left and right guidepost is parallel to each other, and drops hammer and can slide up and down along left and right guidepost simultaneously, be provided with pressure-bearing post between left and right guidepost, the top end face of left and right locating piece is higher than the top end face of pressure-bearing post, left, the inside of right guidepost is hollow structure, the top of left locating piece is provided with left slider-crank mechanism, the top of right locating piece is provided with right slider-crank mechanism, left, right slider-crank mechanism includes first connecting rod and second connecting rod, left, the phase relative position to the inside of right guidepost all offers stretches out groove, one end of second connecting rod is free end and this free end can along stretching out groove turnover, the other end of second connecting rod and one end of first connecting rod are hinged, the other end of the first connecting rod of left slider-crank mechanism and the inwall of left guidepost are connected, the other end of the first connecting rod of right slider-crank mechanism and the inwall of right guidepost are connected, the described secondary impact device that prevents from dropping hammer also comprises the trigger mechanism for driving first, second connecting rod action in left and right slider-crank mechanism.
Described trigger mechanism comprises the left trigger mechanism for triggering left slider-crank mechanism and the right trigger mechanism for triggering right slider-crank mechanism, left, right trigger mechanism includes bearing pin and the spring of the hinged place being arranged on first connecting rod and second connecting rod, the axes normal of bearing pin is in a left side, the plane at the top end face place of right locating piece, one end of the spring of left trigger mechanism and first, the hinged place of second connecting rod is connected, the inwall of the other end and left guidepost is connected, one end of the spring of right trigger mechanism and first, the hinged place of second connecting rod is connected, the inwall of the other end and right guidepost is connected, drop hammer after pressure-bearing post is encountered in whereabouts and upspring, upspring in process, a left side of dropping hammer, right-hand member carries respectively on bearing pin and moves, first, second connecting rod moves and causes second connecting rod to stretch out from stretching out in groove under the double reaction plus of bearing pin and spring, from dropping hammer of stretching out that the second connecting rod that stretches out in groove falls again for holding.
The top of described bearing pin is fixed with block, and block is coniform, and block comprises the pointed cone portion that is mutually connected and mentions portion, and the top of mentioning portion and bearing pin is connected, and pointed cone portion is positioned at the top in the portion of mentioning.
The original state of described spring is tensioning state.
Described left and right guidepost includes antetheca, rear wall, Zuo Bi and You Bi; Wherein, the medial surface of the first connecting rod of left trigger mechanism and the left wall of left guidepost is connected, and the medial surface of the spring of left trigger mechanism and the antetheca of left guidepost is connected, and left guidepost stretches out the bottom that groove is opened in the right wall of left guidepost; The medial surface of the first connecting rod of right trigger mechanism and the right wall of right guidepost is connected, and the medial surface of the spring of right trigger mechanism and the rear wall of right guidepost is connected, and right guidepost stretches out the bottom that groove is opened in the left wall of right guidepost.
The rear wall of described left guidepost and the antetheca of right guidepost all offer bearing pin resettlement groove, and the half of bearing pin is placed in bearing pin resettlement groove.
Described testing table offers hole slot, and pressure-bearing post is seated in hole slot.
The length of described second connecting rod is greater than the length of first connecting rod.
Owing to have employed technique scheme, the beneficial effect acquired by the present invention is:
1, the invention provides a kind of device of the secondary impact that drops hammer for preventing on large-scale impact testing machine, in the present invention drop hammer time bearing pin can be extruded in the whereabouts track that drops hammer, encounter pressure-bearing post when dropping hammer after, dropping hammer upsprings and carry on bearing pin moves, the spring of tensioning can pull the hinged place of first, second connecting rod, the motion finally make second connecting rod stretch out to form holding when falling to the secondary that drops hammer from stretching out in groove under the double reaction plus of bearing pin and spring of first, second connecting rod, prevents the secondary impact pressure-bearing post that drops hammer.
2, the present invention is simple and compact for structure, easy to operate, and cost of manufacture is lower.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the annexation schematic diagram of first connecting rod, second connecting rod, spring and bearing pin in the present invention.
Wherein,
1, left guidepost 2, drop hammer 3, right guidepost 4, right locating piece 5, testing table 6, left locating piece 7, pressure-bearing post 8, bearing pin 9, spring 10, first connecting rod 11, second connecting rod 12, block 13, stretch out groove
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail, but the present invention is not limited to these embodiments.
As depicted in figs. 1 and 2, one prevents the secondary impact device that drops hammer, comprise testing table 5 and drop hammer 2, the top of testing table 5 is provided with the left locating piece 6 and right locating piece 4 that are parallel to each other, the top of left locating piece 6 is provided with left guidepost 1, the top of right locating piece 4 is provided with right guidepost 3, left, right guidepost is parallel to each other, dropping hammer 2 can simultaneously along left, right guidepost slides up and down, left, pressure-bearing post 7 is provided with between right guidepost, testing table 5 offers hole slot, pressure-bearing post 7 is seated in hole slot, left, the top end face of right locating piece is higher than the top end face of pressure-bearing post 7, the inside of left and right guidepost is hollow structure, the top of left locating piece 6 is provided with left slider-crank mechanism, the top of right locating piece 4 is provided with right slider-crank mechanism, left and right slider-crank mechanism includes first connecting rod 10 and second connecting rod 11, the length of second connecting rod 11 is greater than the length of first connecting rod 10, the phase relative position to the inside of left and right guidepost all offers stretches out groove 13, one end of second connecting rod 11 is free end and this free end can pass in and out along stretching out groove 13, and the other end of second connecting rod 11 and one end of first connecting rod 10 are hinged, the described secondary impact device that prevents from dropping hammer also comprises the trigger mechanism for driving first, second connecting rod action in left and right slider-crank mechanism.
Described trigger mechanism comprises the left trigger mechanism for triggering left slider-crank mechanism and the right trigger mechanism for triggering right slider-crank mechanism, left, right trigger mechanism includes bearing pin 8 and the spring 9 of the hinged place being arranged on first connecting rod 10 and second connecting rod 11, the rear wall of described left guidepost 1 and the antetheca of right guidepost 3 all offer bearing pin resettlement groove, the half of bearing pin 8 is placed in bearing pin resettlement groove, the axes normal of bearing pin 8 is in a left side, the plane at the top end face place of right locating piece, the original state (state namely before first time of dropping hammer falls) of spring 9 is tensioning state, described left and right guidepost includes antetheca, rear wall, Zuo Bi and You Bi, wherein, the first connecting rod of left trigger mechanism 10 is connected with the medial surface of the left wall of left guidepost 1, and the spring 9 of left trigger mechanism is connected with the medial surface of the antetheca of left guidepost 1, and left guidepost 1 stretches out the bottom that groove is opened in the right wall of left guidepost 1, the first connecting rod 10 of right trigger mechanism is connected with the medial surface of the right wall of right guidepost 3, and the spring 9 of right trigger mechanism is connected with the medial surface of the rear wall of right guidepost 3, and right guidepost 3 stretches out the bottom that groove is opened in the left wall of right guidepost 3, drop hammer after pressure-bearing post 7 is encountered in 2 whereabouts and upspring, upspring in process, drop hammer 2 left and right end carry respectively on bearing pin 8 and move, first, second connecting rod moves and causes second connecting rod 11 to stretch out from stretching out in groove under the double reaction plus of bearing pin 8 and spring 9, drop hammer 2 from what stretch out that the second connecting rod 11 that stretches out in groove falls again for holding, effectively prevent the secondary impact of the 2 pairs of pressure-bearing posts 7 that drop hammer.
For can smoothly bearing pin 8 be extruded into when meeting and drop hammer 2 whereabouts drop hammer 2 whereabouts track in and drop hammer 2 upspring time can carry smoothly on bearing pin 8 and move, be connected on the top of bearing pin 8 block 12, block 12 is in coniform, block 12 comprises the pointed cone portion that is mutually connected and mentions portion, the top of mentioning portion and bearing pin 8 is connected, pointed cone portion is positioned at the top in the portion of mentioning, thus meets 2 whereabouts and the requirements of mentioning bearing pin 8 smoothly smoothly of dropping hammer.
The part do not addressed in the present invention adopts or uses for reference prior art and can realize.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Specific embodiment described herein is only to spiritual example explanation of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (8)
1. one kind prevents the secondary impact device that drops hammer, it is characterized in that, comprise testing table and drop hammer, the top of testing table is provided with the left locating piece and right locating piece that are parallel to each other, and the top of left locating piece is provided with left guidepost, and the top of right locating piece is provided with right guidepost, left and right guidepost is parallel to each other, drop hammer and can slide up and down along left and right guidepost simultaneously, be provided with pressure-bearing post between left and right guidepost, the top end face of left and right locating piece is higher than the top end face of pressure-bearing post, left, the inside of right guidepost is hollow structure, the top of left locating piece is provided with left slider-crank mechanism, the top of right locating piece is provided with right slider-crank mechanism, left, right slider-crank mechanism includes first connecting rod and second connecting rod, left, the phase relative position to the inside of right guidepost all offers stretches out groove, one end of second connecting rod is free end and this free end can along stretching out groove turnover, the other end of second connecting rod and one end of first connecting rod are hinged, the other end of the first connecting rod of left slider-crank mechanism and the inwall of left guidepost are connected, the other end of the first connecting rod of right slider-crank mechanism and the inwall of right guidepost are connected, the described secondary impact device that prevents from dropping hammer also comprises the trigger mechanism for driving first, second connecting rod action in left and right slider-crank mechanism.
2. one according to claim 1 prevents the secondary impact device that drops hammer, it is characterized in that, described trigger mechanism comprises the left trigger mechanism for triggering left slider-crank mechanism and the right trigger mechanism for triggering right slider-crank mechanism, left, right trigger mechanism includes bearing pin and the spring of the hinged place being arranged on first connecting rod and second connecting rod, the axes normal of bearing pin is in a left side, the plane at the top end face place of right locating piece, one end of the spring of left trigger mechanism and first, the hinged place of second connecting rod is connected, the inwall of the other end and left guidepost is connected, one end of the spring of right trigger mechanism and first, the hinged place of second connecting rod is connected, the inwall of the other end and right guidepost is connected, drop hammer after pressure-bearing post is encountered in whereabouts and upspring, upspring in process, a left side of dropping hammer, right-hand member carries respectively on bearing pin and moves, first, second connecting rod moves and causes second connecting rod to stretch out from stretching out in groove under the double reaction plus of bearing pin and spring, from dropping hammer of stretching out that the second connecting rod that stretches out in groove falls again for holding.
3. one according to claim 2 prevents the secondary impact device that drops hammer, and it is characterized in that, the top of described bearing pin is fixed with block, block is coniform, block comprises the pointed cone portion that is mutually connected and mentions portion, and the top of mentioning portion and bearing pin is connected, and pointed cone portion is positioned at the top in the portion of mentioning.
4. one according to claim 2 prevents the secondary impact device that drops hammer, and it is characterized in that, the original state of described spring is tensioning state.
5. the one according to any one of claim 2 to 4 claim prevents the secondary impact device that drops hammer, and it is characterized in that, described left and right guidepost includes antetheca, rear wall, Zuo Bi and You Bi; Wherein, the medial surface of the first connecting rod of left trigger mechanism and the left wall of left guidepost is connected, and the medial surface of the spring of left trigger mechanism and the antetheca of left guidepost is connected, and left guidepost stretches out the bottom that groove is opened in the right wall of left guidepost; The medial surface of the first connecting rod of right trigger mechanism and the right wall of right guidepost is connected, and the medial surface of the spring of right trigger mechanism and the rear wall of right guidepost is connected, and right guidepost stretches out the bottom that groove is opened in the left wall of right guidepost.
6. one according to claim 5 prevents the secondary impact device that drops hammer, and it is characterized in that, the rear wall of described left guidepost and the antetheca of right guidepost all offer bearing pin resettlement groove, and the half of bearing pin is placed in bearing pin resettlement groove.
7. one according to claim 1 prevents the secondary impact device that drops hammer, and it is characterized in that, described testing table offers hole slot, and pressure-bearing post is seated in hole slot.
8. one according to claim 1 prevents the secondary impact device that drops hammer, and it is characterized in that, the length of described second connecting rod is greater than the length of first connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732342.7A CN105259022B (en) | 2015-11-02 | 2015-11-02 | One kind prevents the secondary impact device that drops hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732342.7A CN105259022B (en) | 2015-11-02 | 2015-11-02 | One kind prevents the secondary impact device that drops hammer |
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| Publication Number | Publication Date |
|---|---|
| CN105259022A true CN105259022A (en) | 2016-01-20 |
| CN105259022B CN105259022B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510732342.7A Active CN105259022B (en) | 2015-11-02 | 2015-11-02 | One kind prevents the secondary impact device that drops hammer |
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| Country | Link |
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| CN (1) | CN105259022B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520696A (en) * | 2018-12-10 | 2019-03-26 | 山东科技大学 | A kind of multidirectional drop impact device of multiple spot and test method |
| CN113804562A (en) * | 2021-09-18 | 2021-12-17 | 上海仪器仪表自控系统检验测试所有限公司 | Pendulum protector |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000136989A (en) * | 1998-10-30 | 2000-05-16 | Sekisui House Ltd | Drop-hammer test device |
| CN201435175Y (en) * | 2009-07-03 | 2010-03-31 | 中国矿业大学 | Rock burst simulator |
| CN101936846A (en) * | 2009-06-30 | 2011-01-05 | 上海华龙测试仪器有限公司 | Anti-secondary hit device of drop hammer impact tester |
| CN102393336A (en) * | 2011-08-21 | 2012-03-28 | 上海交通大学 | Portable type low-velocity impact testing machine |
| CN102539255A (en) * | 2011-12-20 | 2012-07-04 | 上海交通大学 | Portable multi-measurement-parameter low-speed impact tester |
| CN202420988U (en) * | 2011-12-21 | 2012-09-05 | 昆明理工大学 | Mechanical stop-hook-type secondary impact catch plastic pipe material impact-resisting testing machine |
| CN202869909U (en) * | 2012-10-25 | 2013-04-10 | 济南大学 | Anti-secondary impact mechanism of drop hammer impact testing machine |
| CN203310590U (en) * | 2013-05-15 | 2013-11-27 | 湖南大学 | Free falling hammer rebound control apparatus for bridge deck dynamic detection |
| CN104142278A (en) * | 2014-08-25 | 2014-11-12 | 中国矿业大学 | Drop weight type dynamic and static combined load impact experimental device |
| CN203981515U (en) * | 2014-05-28 | 2014-12-03 | 金发科技股份有限公司 | A kind of anti-secondary pulse device of skeleton symbol drop hammer impact testing machine |
| CN204116140U (en) * | 2014-10-29 | 2015-01-21 | 中国矿业大学(北京) | A kind of can the impact drop hammer tester of Accurate Measurement drop impact energy |
| CN205079997U (en) * | 2015-11-02 | 2016-03-09 | 山东科技大学 | Secondary impact device prevents to drop hammer |
-
2015
- 2015-11-02 CN CN201510732342.7A patent/CN105259022B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000136989A (en) * | 1998-10-30 | 2000-05-16 | Sekisui House Ltd | Drop-hammer test device |
| CN101936846A (en) * | 2009-06-30 | 2011-01-05 | 上海华龙测试仪器有限公司 | Anti-secondary hit device of drop hammer impact tester |
| CN201435175Y (en) * | 2009-07-03 | 2010-03-31 | 中国矿业大学 | Rock burst simulator |
| CN102393336A (en) * | 2011-08-21 | 2012-03-28 | 上海交通大学 | Portable type low-velocity impact testing machine |
| CN102539255A (en) * | 2011-12-20 | 2012-07-04 | 上海交通大学 | Portable multi-measurement-parameter low-speed impact tester |
| CN202420988U (en) * | 2011-12-21 | 2012-09-05 | 昆明理工大学 | Mechanical stop-hook-type secondary impact catch plastic pipe material impact-resisting testing machine |
| CN202869909U (en) * | 2012-10-25 | 2013-04-10 | 济南大学 | Anti-secondary impact mechanism of drop hammer impact testing machine |
| CN203310590U (en) * | 2013-05-15 | 2013-11-27 | 湖南大学 | Free falling hammer rebound control apparatus for bridge deck dynamic detection |
| CN203981515U (en) * | 2014-05-28 | 2014-12-03 | 金发科技股份有限公司 | A kind of anti-secondary pulse device of skeleton symbol drop hammer impact testing machine |
| CN104142278A (en) * | 2014-08-25 | 2014-11-12 | 中国矿业大学 | Drop weight type dynamic and static combined load impact experimental device |
| CN204116140U (en) * | 2014-10-29 | 2015-01-21 | 中国矿业大学(北京) | A kind of can the impact drop hammer tester of Accurate Measurement drop impact energy |
| CN205079997U (en) * | 2015-11-02 | 2016-03-09 | 山东科技大学 | Secondary impact device prevents to drop hammer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520696A (en) * | 2018-12-10 | 2019-03-26 | 山东科技大学 | A kind of multidirectional drop impact device of multiple spot and test method |
| CN109520696B (en) * | 2018-12-10 | 2024-05-24 | 山东科技大学 | Multi-point multi-directional drop hammer impact device and test method |
| CN113804562A (en) * | 2021-09-18 | 2021-12-17 | 上海仪器仪表自控系统检验测试所有限公司 | Pendulum protector |
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| CN105259022B (en) | 2017-12-01 |
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