CN110274743A - A kind of protuberant guide post impact test device - Google Patents
A kind of protuberant guide post impact test device Download PDFInfo
- Publication number
- CN110274743A CN110274743A CN201910717385.6A CN201910717385A CN110274743A CN 110274743 A CN110274743 A CN 110274743A CN 201910717385 A CN201910717385 A CN 201910717385A CN 110274743 A CN110274743 A CN 110274743A
- Authority
- CN
- China
- Prior art keywords
- impulse member
- sample
- pedestal
- guide post
- magnechuck
- 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.)
- Pending
Links
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of protuberant guide post impact test devices, including pedestal, thrust gear, support tube and impulse member, the support tube is vertically arranged on the pedestal, the impulse member is set to the inside of support tube, the sample is set to the underface on pedestal and being located at impulse member, shock-testing is carried out to sample by the impulse member movement of falling object, the thrust gear is set on pedestal, sample is pushed away thrust gear after sample progress one-shot by the impulse member immediately below impulse member, prevents impulse member from causing secondary pulse to sample.The sample after one-shot is pushed away into test area by setting thrust gear, prevent impulse member from causing secondary pulse to influence test result on sample, using the available more accurate test result of experimental rig of the invention, solves the case where analyzer in the prior art will appear repeated stock.
Description
Technical field
The present invention relates to road traffic technical fields, and in particular to a kind of protuberant guide post impact test device.
Background technique
Protuberant guide post is independent to use or graticule is cooperated to use for being fixed on each standard highway road surface, in the form of, face
Color, reflex reflection light etc. transmit lane information, the traffic safety facilities for guiding vehicle, pedestrian smoothly to pass through.Protuberant guide post quality refers to
Mark includes structure size, chroma characteristic, retroreflective energy, resistance to compression load and whole shock resistance etc., because protuberant guide post is prominent
It for road surface, to bear vehicle and roll repeatedly, whole shock resistance is an important Testing index.
STT-930 protuberant guide post shock resistance analyzer currently on the market is mainly led by adjustable water flat chassis, stainless steel
Pipe, steel ball, release device composition, the device use manual operation, and when test, inevitable steel ball rebounded repeated impacts protrusion road
Mark, affects test result.
In conclusion being badly in need of a kind of protuberant guide post impact test device to solve problems of the prior art.
Summary of the invention
It is an object of that present invention to provide a kind of protuberant guide post impact test device, specific technical solution is as follows:
A kind of protuberant guide post impact test device, including pedestal, thrust gear, support tube and impulse member, the branch
Support cylinder is vertically arranged on the pedestal, and the impulse member is set to the inside of support tube, the sample be set on pedestal and
Positioned at the underface of impulse member, shock-testing, the thrust gear setting are carried out to sample by the impulse member movement of falling object
In on pedestal, sample is pushed away thrust gear after sample progress one-shot by the impulse member immediately below impulse member, is prevented
Only impulse member causes secondary pulse to sample.
It is preferred in above technical scheme, it further include actuator, the actuator includes magnechuck, elevator and setting
In, far from the cabinet of pedestal one end, the elevator is set to box house, the freedom of the elevator traction rope on support tube
End connection magnechuck, the magnechuck are set to inside support tube and for adsorbing impulse member, pass through elevator and electromagnetism
Impulse member is promoted to test height by sucker, and control magnechuck power loss realizes that impulse member carries out the movement of falling object.
Preferred in above technical scheme, the actuator further includes displacement sensor for pull rope, the drawstring displacement sensing
Device is set to box house, and the drawstring of the displacement sensor for pull rope connects magnechuck, for measuring the rising of magnechuck
Impulse member is accurately promoted to test height to realize by displacement.
Preferred in above technical scheme, the support tube is equipped with detection switch close to one end of pedestal, during test
Thrust gear pushes away sample immediately below impulse member after the detection switch detects impulse member for the second time.
Preferred in above technical scheme, the thrust gear includes extensible member and push plate, and the extensible member is set to bottom
On seat, the push plate is arranged in the movable end of extensible member and realizes push plate back and forth movement by extensible member, to realize that push plate will
Sample pushes away immediately below impulse member.
Preferred in above technical scheme, the pedestal is equipped with centering graduated scale, and being realized by centering graduated scale will examination
Sample is set to the underface of impulse member.
Preferred in above technical scheme, the actuator further includes control mainboard, the elevator, drawstring displacement sensing
Device, magnechuck, detection switch and extensible member connect with control mainboard and act under the control of control mainboard.
Preferred in above technical scheme, four angles of the pedestal are equipped with leveling knob, pass through four leveling knobs
Pedestal is adjusted to horizontality.
Preferred in above technical scheme, the pedestal is equipped with air-bubble level.
It applies the technical scheme of the present invention, has the advantages that
(1) protuberant guide post impact test device of the invention, including pedestal, thrust gear, support tube and impulse member,
The support tube is vertically arranged on the pedestal, and the impulse member is set to the inside of support tube, and the sample is set to bottom
Underface on seat and positioned at impulse member, tests sample by the impulse member movement of falling object, the thrust gear is set
It is placed on pedestal, sample is pushed away the underface of impulse member to thrust gear after sample progress one-shot by the impulse member, is prevented
Only impulse member causes secondary pulse to sample；The sample after one-shot is pushed away into test area by setting thrust gear, is prevented
Only impulse member causes secondary pulse to influence test result on sample, uses the available more accurate examination of experimental rig of the invention
It tests as a result, solving the case where analyzer in the prior art will appear repeated stock；Experimental rig of the invention complies fully with
The correlation that China traffic industry standard GB/T 24725-2009 " protuberant guide post " tests protuberant guide post entirety shock resistance is wanted
It asks, improves test efficiency, it is ensured that test data is accurate.
(2) protuberant guide post impact test device of the invention, actuator includes magnechuck and elevator, passes through electromagnetism
Impulse member is promoted to test height by elevator by sucker suction impulse member, and testing crew only needs to operate during test
Test and reset button on experimental rig, reduce the participation of manpower, prevent the feelings that impulse member injures testing crew by a crashing object
Condition.
(3) protuberant guide post impact test device of the invention further includes displacement sensor for pull rope, is displaced and is passed by drawstring
Sensor measures the displacement of magnechuck (including impulse member), and whether detection impulse member is promoted to test height, it is ensured that impulse member
It is to carry out the movement of falling object from test height to impact sample, guarantees the accuracy of test result.
(4) protuberant guide post impact test device of the invention further includes detection switch, and the detection is opened during test
Thrust gear pushes away sample immediately below impulse member after pass detects impulse member for the second time；Ensured once by detection switch
Sample is pushed away into test zone in time after impact, it is ensured that impulse member will not generate secondary pulse to sample.
(5) protuberant guide post impact test device of the invention includes control mainboard, elevator, displacement sensor for pull rope,
Magnechuck, detection switch and extensible member connect with control mainboard and act under the control of control mainboard.Pass through control
Mainboard may be implemented experimental rig of the invention and carry out automation control, reduce the labor intensity of testing crew.
(6) protuberant guide post impact test device of the invention is equipped with leveling knob and air-bubble on four angles of pedestal
Pedestal is adjusted to horizontality by leveling knob, determines whether pedestal is in horizontality by air-bubble level by level,
Pedestal, which is adjusted to horizontality, can guarantee that support tube is in a vertical state, thus guarantee that impulse member carries out the movement of falling object,
Reduce test error.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of experimental rig of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the cross-sectional view of experimental rig of the present invention；
Wherein, 1, pedestal, 101, centering graduated scale, 2, extensible member, 3, air-bubble level, 4, detection switch, 5, support tube,
6, actuator, 601, test button, 602, reset button, 603, magnechuck, 604, displacement sensor for pull rope, 605, promotion
Machine, 606, control mainboard, 7, leveling knob, 8, protuberant guide post, 9, push plate, 10, steel ball.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Embodiment 1:
Referring to Fig. 1-3, a kind of protuberant guide post impact test device, including pedestal 1, thrust gear, support tube 5 and punching
Part is hit, the support tube 5 is vertically arranged on the pedestal 1, and the impulse member is set to the inside of support tube 5, the sample
It is set on pedestal and is located at the underface of impulse member, shock-testing, institute are carried out to sample by the impulse member movement of falling object
It states thrust gear to be set on pedestal 1, the impulse member carries out after one-shot thrust gear for sample from impulse member to sample
Underface push away, prevent impulse member from causing secondary pulse to sample.
Referring to Fig. 1, the support tube is cylinder.
The experimental rig further includes actuator 6, and the actuator 6 includes magnechuck 603, elevator 605 and setting
In, far from the cabinet of 1 one end of pedestal, the elevator 605 is set to box house, and the elevator 605 is led on support tube 5
The free end of messenger connects magnechuck 603, and the magnechuck 603 is set to 5 inside of support tube and for adsorbing impulse member,
Impulse member is promoted to test height by elevator 605 and magnechuck 603, control 603 power loss of magnechuck realizes impact
Part carries out the movement of falling object.
The actuator 6 further includes displacement sensor for pull rope 604, and the displacement sensor for pull rope 604 is set in cabinet
The drawstring in portion, the displacement sensor for pull rope 604 connects magnechuck 603, and the rising for measuring magnechuck 603 is displaced
Impulse member is accurately promoted to test height to realize by amount.
The sample is protuberant guide post 8, and according to the test request of protuberant guide post, test height is one meter, i.e. impulse member position
Right above the sample at one meter of position, the impulse member is solid steel ball 10, and the quality of steel ball 10 is 1040 ± 10g；Root
It is the steel plate that thickness is not less than 13mm, area is greater than protuberant guide post lower surface according to test request pedestal.
The support tube 5 is equipped with detection switch 4,4 second of the detection switch during test close to one end of pedestal 1
Thrust gear pushes away sample immediately below impulse member after detecting impulse member, i.e., the described detection switch 4 detects impulse member
Sample is pushed away to the underface of impulse member to thrust gear after sample progress one-shot.
Preferably, the detection switch is close to switch.The detection switch is used to detect the secondary pulse of impulse member, the
Secondary pulse is as caused by impulse member rebound, and detection switch should be arranged as close to pedestal, guarantees that detection is opened
Close the rebound motion for being able to detect that impulse member.
The thrust gear includes extensible member 2 and push plate 9, and the extensible member 2 is set on pedestal 1, and the push plate 9 is arranged
Extensible member movable end and 9 back and forth movement of push plate is realized by extensible member 2, to realize push plate 9 by sample from impulse member
Underface pushes away.
Preferably, the extensible member 2 is one of push-pull electromagnet, cylinder, oil cylinder or movement mould group, the present embodiment
Middle selection push-pull electromagnet.
Referring to fig. 2, the pedestal is equipped with centering graduated scale 101, is realized by centering graduated scale 101 and is set to sample
The underface of impulse member.
The actuator 6 further includes control mainboard 606, the elevator 605, displacement sensor for pull rope 604, magnechuck
603, detection switch 4 and extensible member 2 connect with control mainboard 606 and act under the control of control mainboard 606.The control
Mainboard 606 processed is set to box house.
The magnechuck 603 adsorbs impulse member and is maintained at test height, controls mainboard 606 and controls the mistake of magnechuck 603
Electricity, magnechuck 603 lose adsorption capacity, and impulse member starts to carry out the movement of falling object to sample progress shock-testing；It tests
Cheng Hou, the control mainboard control work of elevator 605 contact the decline of magnechuck 603 with impulse member, and control magnechuck obtains electric
Impulse member be adsorbed under the action of elevator and is risen with impulse member, the displacement sensor for pull rope 604 is for measuring
The ascending amount of magnechuck and impulse member, signal is fed back to control by displacement sensor for pull rope 604 when impulse member reaches test height
Mainboard processed, control mainboard control elevator stop working, and waiting is tested next time.
During the test, it can rebound after carrying out one-shot to sample due to impulse member, detection switch is specifically two
Secondary detection (being once that impulse member freely falling body switchs after testing, be that impulse member rebound switchs after testing for the second time) arrives impact
Control mainboard is fed back to when part, control mainboard controls the underface that sample is pushed away impulse member by extensible member movement again, prevents from impacting
Part generates secondary pulse to sample.
Preferably, the actuator further includes the test button 601 and reset button 602 being set to outside cabinet, is passed through
Test button 601 and reset button 602, which are realized, operates experimental rig of the invention.
Four angles of the pedestal 1 are equipped with leveling knob 7, are adjusted pedestal 1 to horizontal by four leveling knobs 7
State.The pedestal 1 is equipped with air-bubble level 3, and pedestal 1 is observed by air-bubble level whether in horizontality.
Experimental rig of the invention is to press test button 601 from dynamic test process, the solid steel ball under magnechuck 603
10 in the center of free 8 upper surface of drop impact protuberant guide post of height of 8 surface 1m of protuberant guide post, second of detection switch 4
It detects and (detects that solid steel ball 10 rebounds) when solid steel ball 10, push-pull electromagnet is powered immediately, and push plate 9 is released automatically
Protuberant guide post 8 avoids steel ball 10 and rebounds continuous impact relief road sign 8；Entirely from dynamic test process by control mainboard 606
It is completed to control.
Experimental rig reseting procedure of the invention is to press reset button 602, and elevator 605 cooperates drawstring displacement sensing
604 drive magnechucks 603, which move downward the solid steel ball 10 of support tube lower part to be sucked and move upwards, resets in situ (dash forward
Rise 8 surface 1m of road sign height and position), be ready to test next time, the process that entirely automatically resets by control mainboard 606
What control was completed.
Using the technical solution of the present embodiment, specifically:
Step 1: putting the present apparatus well on firm, smooth horizontal plane, the leveling knob 7 on pedestal is adjusted, air-bubble is made
The bubble of level 3 is placed in the middle, and plug in line, press reset button 602 make experimental rig reset (steel ball is being located at protuberant guide post 8 just
The height and position of top 1m), protuberant guide post 8 to be measured is put into 1 center of pedestal by centering graduated scale 101；
Step 2: pressing test button 601, the solid steel ball 10 under magnechuck 603 is 8 surface 1m's of protuberant guide post
The center of free 8 upper surface of drop impact protuberant guide post of height, when detecting steel ball second of detection switch 4, plug-type electromagnetism
Iron is powered immediately, and protuberant guide post 8 is released in push plate 9；
Step 3: measuring measurer with full-length, the length and area of protuberant guide post face crack are measured, and records measurement
Data；
Step 4: protuberant guide post product after impact test, using shock point as the center of circle, does not go out outside the region of diameter 12mm
Existing any type of breakage, then judge qualified (specific decision procedure may refer to existing testing standard)；
Step 5: pressing reset button 602, experimental rig resets to wait to be tested next time.
It applies the technical scheme of the present invention, effect is:
The sample after one-shot is pushed away into test area by setting thrust gear, prevents impulse member from causing to count to sample
Secondary Shocks influence test result and solve existing skill using the available more accurate test result of experimental rig of the invention
The case where analyzer in art will appear repeated stock；Experimental rig of the invention complies fully with China traffic industry standard GB/
The related request that T24725-2009 " protuberant guide post " tests protuberant guide post entirety shock resistance, it is entire to test process entirely certainly
It is dynamic to complete, improve test efficiency, it is ensured that test data is accurate.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of protuberant guide post impact test device, which is characterized in that including pedestal (1), thrust gear, support tube (5) with
And impulse member, the support tube (5) are vertically arranged on the pedestal (1), the impulse member is set to the interior of support tube (5)
Portion, the sample are set on pedestal (1) and are located at the underface of impulse member, by the impulse member movement of falling object to sample into
Row shock-testing, the thrust gear are set on pedestal (1), and the impulse member is to thrust gear after sample progress one-shot
Sample is pushed away immediately below impulse member, prevents impulse member from causing secondary pulse to sample.
2. protuberant guide post impact test device according to claim 1, which is characterized in that further include actuator (6), institute
Actuator (6) is stated to include magnechuck (603), elevator (605) and be set on support tube (5) far from pedestal (1) one end
Cabinet, the elevator (605) are set to box house, and the free end of elevator (605) traction rope connects magnechuck
(603), it is internal and for adsorbing impulse member to be set to support tube (5) for the magnechuck (603), by elevator (605) and
Impulse member is promoted to test height by magnechuck (603), and control magnechuck (603) power loss realizes that impulse member progress is freely fallen
Body movement.
3. protuberant guide post impact test device according to claim 2, which is characterized in that the actuator (6) is also wrapped
It includes displacement sensor for pull rope (604), the displacement sensor for pull rope (604) is set to box house, the drawstring displacement sensing
The drawstring of device (604) connects magnechuck (603), for measuring the rising displacement of magnechuck (603), so that realizing will rush
It hits part and is accurately promoted to test height.
4. protuberant guide post impact test device according to claim 3, which is characterized in that the support tube (5) is close
One end of pedestal (1) is equipped with detection switch (4), and the detection switch (4) detects impulse member pusher for the second time during test
Telephone-moving structure pushes away sample immediately below impulse member.
5. protuberant guide post impact test device according to claim 4, which is characterized in that the thrust gear includes stretching
Contracting part (2) and push plate (9), the extensible member (2) are set on pedestal (1), and the movable end of extensible member is arranged in the push plate (9)
And push plate (9) back and forth movement is realized by extensible member (2), to realize that push plate (9) pushes away sample immediately below impulse member.
6. protuberant guide post impact test device according to claim 5, which is characterized in that the pedestal (1) is equipped with
Centering graduated scale (101) realizes the underface that sample is set to impulse member by centering graduated scale (101).
7. protuberant guide post impact test device according to claim 5, which is characterized in that the actuator (6) is also wrapped
It includes control mainboard (606), the elevator (605), displacement sensor for pull rope (604), magnechuck (603), detection switch (4)
And extensible member (2) connect with control mainboard (606) and acts under the control of control mainboard (606).
8. protuberant guide post impact test device according to any one of claims 1-7, which is characterized in that the bottom
Four angles of seat (1) are equipped with leveling knob (7), are adjusted pedestal (1) to horizontality by four leveling knobs (7).
9. protuberant guide post impact test device according to claim 8, which is characterized in that the pedestal (1) is equipped with
Air-bubble level (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717385.6A CN110274743A (en) | 2019-08-05 | 2019-08-05 | A kind of protuberant guide post impact test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717385.6A CN110274743A (en) | 2019-08-05 | 2019-08-05 | A kind of protuberant guide post impact test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110274743A true CN110274743A (en) | 2019-09-24 |
Family
ID=67965763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910717385.6A Pending CN110274743A (en) | 2019-08-05 | 2019-08-05 | A kind of protuberant guide post impact test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110274743A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729740A (en) * | 2020-12-19 | 2021-04-30 | 王安江 | System for detecting bearing capacity of highway bridge |
| CN112834155A (en) * | 2021-01-23 | 2021-05-25 | 长安大学 | Magnetic suspension clamping support and method for preventing secondary impact in impact test |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393289A (en) * | 2011-12-05 | 2012-03-28 | 北京神州腾耀通信技术有限公司 | Steel ball drop test machine |
| CN203101009U (en) * | 2012-12-10 | 2013-07-31 | 中交国通公路工程技术有限公司 | Raised pavement marker reflector impact test device |
| CN203719865U (en) * | 2013-10-15 | 2014-07-16 | 珠海格力电器股份有限公司 | Impact resistance test equipment |
| CN205138913U (en) * | 2015-09-15 | 2016-04-06 | 甘肃省交通科学研究院有限公司 | Automatic test device of protruding converse dart impact resistance of road sign |
| KR20160050909A (en) * | 2014-10-31 | 2016-05-11 | 현대자동차주식회사 | Drop-impact tester which prevent the secondary drop-impact |
| CN205228974U (en) * | 2015-12-14 | 2016-05-11 | 高铁检测仪器（东莞）有限公司 | Impact tester |
| CN106092490A (en) * | 2016-07-28 | 2016-11-09 | 苏州高通机械科技有限公司 | A kind of can the impact test apparatus of destressing |
| CN106289699A (en) * | 2016-07-28 | 2017-01-04 | 苏州高通机械科技有限公司 | One can bump test device |
| CN107389442A (en) * | 2017-08-28 | 2017-11-24 | 北京沃华慧通测控技术有限公司 | Clipping anti-secondary pulse device and shock machine |
| CN206832601U (en) * | 2017-05-25 | 2018-01-02 | 广州市祥利仪器有限公司 | Drop hammer impact testing machine |
| CN207280719U (en) * | 2017-08-28 | 2018-04-27 | 北京沃华慧通测控技术有限公司 | Anti- the secondary pulse device and impact test equipment of display screen test |
| CN207894586U (en) * | 2018-02-07 | 2018-09-21 | 山东路达试验仪器有限公司 | A kind of real-time locator protrusions road sign shock resistance analyzer |
| CN208060121U (en) * | 2018-05-11 | 2018-11-06 | 山东省产品质量检验研究院 | A kind of freely falling body impact test apparatus |
| CN210513608U (en) * | 2019-08-05 | 2020-05-12 | 湖南联智科技股份有限公司 | Bump road sign shock resistance test device |
-
2019
- 2019-08-05 CN CN201910717385.6A patent/CN110274743A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393289A (en) * | 2011-12-05 | 2012-03-28 | 北京神州腾耀通信技术有限公司 | Steel ball drop test machine |
| CN203101009U (en) * | 2012-12-10 | 2013-07-31 | 中交国通公路工程技术有限公司 | Raised pavement marker reflector impact test device |
| CN203719865U (en) * | 2013-10-15 | 2014-07-16 | 珠海格力电器股份有限公司 | Impact resistance test equipment |
| KR20160050909A (en) * | 2014-10-31 | 2016-05-11 | 현대자동차주식회사 | Drop-impact tester which prevent the secondary drop-impact |
| CN205138913U (en) * | 2015-09-15 | 2016-04-06 | 甘肃省交通科学研究院有限公司 | Automatic test device of protruding converse dart impact resistance of road sign |
| CN205228974U (en) * | 2015-12-14 | 2016-05-11 | 高铁检测仪器（东莞）有限公司 | Impact tester |
| CN106092490A (en) * | 2016-07-28 | 2016-11-09 | 苏州高通机械科技有限公司 | A kind of can the impact test apparatus of destressing |
| CN106289699A (en) * | 2016-07-28 | 2017-01-04 | 苏州高通机械科技有限公司 | One can bump test device |
| CN206832601U (en) * | 2017-05-25 | 2018-01-02 | 广州市祥利仪器有限公司 | Drop hammer impact testing machine |
| CN107389442A (en) * | 2017-08-28 | 2017-11-24 | 北京沃华慧通测控技术有限公司 | Clipping anti-secondary pulse device and shock machine |
| CN207280719U (en) * | 2017-08-28 | 2018-04-27 | 北京沃华慧通测控技术有限公司 | Anti- the secondary pulse device and impact test equipment of display screen test |
| CN207894586U (en) * | 2018-02-07 | 2018-09-21 | 山东路达试验仪器有限公司 | A kind of real-time locator protrusions road sign shock resistance analyzer |
| CN208060121U (en) * | 2018-05-11 | 2018-11-06 | 山东省产品质量检验研究院 | A kind of freely falling body impact test apparatus |
| CN210513608U (en) * | 2019-08-05 | 2020-05-12 | 湖南联智科技股份有限公司 | Bump road sign shock resistance test device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729740A (en) * | 2020-12-19 | 2021-04-30 | 王安江 | System for detecting bearing capacity of highway bridge |
| CN112729740B (en) * | 2020-12-19 | 2023-07-14 | 新疆天宇工程检测有限公司 | Highway bridge bearing capacity detecting system |
| CN112834155A (en) * | 2021-01-23 | 2021-05-25 | 长安大学 | Magnetic suspension clamping support and method for preventing secondary impact in impact test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101059413B (en) | Impact absorption tester | |
| CN110274743A (en) | A kind of protuberant guide post impact test device | |
| CN107807054B (en) | Multifunctional impact resistance testing device | |
| CN202420991U (en) | Multi-functional digital tester of playground | |
| CN210513608U (en) | Bump road sign shock resistance test device | |
| CN105277146A (en) | A ball body bouncing height measuring device and measuring method | |
| CN210442201U (en) | Roadbed soil retaining anchor plate tension and compression strength detection device | |
| CN201876395U (en) | Impact hammer device for drop calibration test | |
| CN209745739U (en) | Measurement auxiliary device of resiliometer | |
| CN201047841Y (en) | Board quality testing apparatus | |
| CN214066792U (en) | Lawn standard vertical deformation measuring device | |
| CN215727452U (en) | UHPC (ultra high Performance polycarbonate) on-site compressive strength and elastic modulus measuring instrument | |
| CN214010946U (en) | Height drop hammer testing device for ball rod | |
| CN108871958A (en) | The device for testing tensile force of luggage pull rod | |
| CN213022223U (en) | Equipment for detecting impact resistance of automobile parts | |
| CN204612752U (en) | Table tennis specification detecting instrument | |
| CN208653935U (en) | The device for testing tensile force of luggage pull rod | |
| CN206847953U (en) | Vehicle impact testing P series child dummy belly caliberating devices | |
| CN209763912U (en) | Piston detection device that beats | |
| CN205580897U (en) | Be applied to pendulum bob shock test apparatus of automatic centering of macromolecular material | |
| CN218956308U (en) | Drop hammer impact test device | |
| CN108051324B (en) | Football rebound rate measuring device for football field | |
| CN206920098U (en) | A kind of ball bounce-back elevation carrection instrument | |
| CN212228555U (en) | Impact testing machine | |
| CN211122236U (en) | A test device for detecting steady intensity of water by oneself |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |