CN208125533U - A kind of drop hammer type dynamic impact testing machine - Google Patents
A kind of drop hammer type dynamic impact testing machine Download PDFInfo
- Publication number
- CN208125533U CN208125533U CN201820398830.8U CN201820398830U CN208125533U CN 208125533 U CN208125533 U CN 208125533U CN 201820398830 U CN201820398830 U CN 201820398830U CN 208125533 U CN208125533 U CN 208125533U
- Authority
- CN
- China
- Prior art keywords
- hammer
- drop hammer
- pressing plate
- testing machine
- pressure sensor
- 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.)
- Expired - Fee Related
Links
Abstract
A kind of drop hammer type dynamic impact testing machine provided by the utility model includes：Support post, pedestal and fixed platform is respectively set in support post both ends, one side is provided with staircase, decelerator and the first pressing plate are fixedly installed in fixed platform, the lower end of first pressing plate has been sequentially arranged sleeve, casing and anchor pole, the second pressing plate is slidably connected on sleeve, second pressing plate upper surface is equipped with first pressure sensor, the pallet upper surface of anchor pole lower end setting is equipped with second pressure sensor, its lower end surface is equipped with displacement sensor, it is also arranged with and drops hammer on casing, the output shaft of motor is dropped hammer by wirerope connection.Structure novel, economic value is high, economy is convenient for operation, can test release can anchor pole and the common bolt body of rod resists and absorbs the performance of impact energy under impact loading, the performance of impact energy can be resisted and absorbed under impact loading to release energy anchor pole and common bolt when test simulation anchored in situ.
Description
Technical field：
The utility model relates to a kind of drop hammer type dynamic impact testing machines, and in particular to one kind for test release can anchor pole with
And the drop hammer type dynamic impact testing machine of other common bolts and rod-type material kinetics performance, belong to shock dynamics test neck
Domain.
Background technique：
Demand with the mankind to resource constantly expands, and superficial part resource is increasingly exploited totally, gradually to deep resource transition.
Domestic and international mine all subsequently enters deep resource mining state.Meanwhile being continuously increased with mining depth, engineering project disaster is increasingly
Increase, such as Rock Burst, mine pressure show aggravation, roadway surrounding rock large deformation and rheology, to the safe and efficient of deep resource
Exploitation causes grave danger.The Drift stability control problem mainly faced in deep resource recovery process oneself become domestic and international
The focus that expert, scholar study.
Deep rock mass is in the " three high " particular surroundings of high stress, high temperature and high well depth, mechanical behaviors of rocks and superficial part
Mechanical behaviors of rocks has larger difference.The stability control of superficial part and deep hard-rock tunnel country rock is mainly used at present traditional
Prestressed anchor support system, situation smaller for shallow embedding deformation of the surrounding rock in tunnel are general using prestressed anchor support system
It can satisfy requirement；However, for the large deformation problem of deep hard-rock tunnel.Crisp-ductility conversion characteristic of deep rock mass and
Rheological characteristic makes deep hard-rock tunnel that large deformation can occur.When rock is in ductile fracture, permanent strain is usually larger.It is based on
Traditional prestressed anchor support system can not adapt to this kind of large deformation, and anchor pole the failure modes such as fracture, sliding occurs, leads to lane
Road wall caving, pucking, roof fall etc. destroy.Cause tunnel can not normal use.
For deep tunnel large deformation situation, conventional roadway support principle and support technology cannot adapt to completely
The supporting requirement of deep tunnel, develops the support technology of suitable deep hard-rock tunnel, safe high to China's deep resource is ensured
The exploitation of effect has great economy meaning and strategic importance.Therefore, project team has developed the novel energy anchor pole of releasing of one kind and can expire
Sufficient above-mentioned requirements, the anchor pole are processed from strand by round steel, are mainly made of damping module and stirring module.And shape on this basis
At the control theory and support system of deep underground engineering support the whole series, provided to solve the large deformation problem in underground engineering
Beneficial reference.
After releasing energy anchor pole and successfully researching and developing, corresponding mechanical property is not known about simultaneously, and a kind of dynamic impact is needed to test
Machine researchs and analyses the kinetic characteristics for releasing energy anchor pole, and test releases energy anchor pole and punching is resisted and absorbed under impact loading
Hit the performance of energy.Elongation, slippage and the radial-deformation of energy anchor pole are released after detecting every Secondary Shocks, and describes impact resistance
Relation curve, impact resistance between displacement and variation relation curve, impact resistance and punching between shock duration
Hit the relation curve of relation curve between energy, displacement and shock duration.By studying above-mentioned relation tracing analysis,
Energy anchor pole is released in optimization, and provides reasonable supporting to the large deformation problem of underground engineering.
Utility model content：
The utility model is intended to provide a kind of drop hammer type dynamic impact testing machine, and to study, release can anchor pole and other are general
The dynamic performance of logical anchor pole and rod-type material, especially to the dynamics mechanical property for releasing the resistance of energy anchor pole and absorption impact energy
Energy emphasis is studied.
To achieve the above object, the utility model uses following technical scheme：
A kind of drop hammer type dynamic impact testing machine provided by the utility model includes：Support post, under the support post
End is connected with pedestal, and the upper end is provided with fixed platform, and the support post side is provided with staircase, consolidates in the fixed platform
Surely it is provided with decelerator and the first pressing plate, the lower end surface of first pressing plate is connected with sleeve, and the lower cartridge is affixed
There is casing, anchor pole is fitted in described sleeve pipe, the second pressing plate, second pressing plate upper surface peace are slidably connected on the sleeve
Equipped with first pressure sensor, one end end that the anchor pole extends to the cartridge exterior is connected with third pressing plate and pallet,
The third pressing plate is located above the pallet, and the pallet upper surface is equipped with second pressure sensor, lower end surface installation
Have displacement sensor, be also arranged with and drop hammer in described sleeve pipe, the output shaft of the motor by dropping hammer described in wirerope connection,
With movement of dropping hammer described in traction, the end dropped hammer described in the wirerope connection is equipped with suspension hook, is equipped on the suspension hook certainly
Dynamic tripping gear, so that the suspension hook automatically disengages described drop hammer.
Circular arc chamfering is arranged in the support post inner surface, and four to drop hammer the angle is provided with groove, described
The radian of groove is identical as the radian of the circular arc chamfering, and described drop hammer moves up and down along the support post.
The upper surface dropped hammer is provided with perpendicular pin and link, is sticked together by the fixed Self-counterweight of the perpendicular pin, the suspension hook is hung
It is connected to the link, offers centre bore at the center dropped hammer, is worn for the anchor pole, anchor cable and test impact material
It crosses.
The perpendicular pin is four, is distributed in four angles of the upper surface of dropping hammer, and is in distributed rectangular.
The lower part of dropping hammer is also equipped with the emergency support that drops hammer, and to drop hammer described in block, prevents the whereabouts dropped hammer.
Protective plate is additionally provided in the fixed platform, the protective plate encloses on the outside of the decelerator, to it
It is limited, prevents the decelerator changing of the relative positions.
The first pressure sensor is on second pressing plate, the second pressure sensor is on the pallet
The diameter of annular spread, two annulars is identical, and two adjacent first pressure sensors or second pressure sensing
Angle between device is 120 °.
It is provided with buffer unit above the pedestal, the buffer unit includes two plate hydraulic dampings being oppositely arranged
Buffer unit, offers square three-way groove in the middle part of the plate hydraulic damping buffering device, and two plate hydraulic dampings are slow
Flushing device end is attached by attachment beam, is enclosed and is set in square between the attachment beam and the plate hydraulic damping buffering device
Shape, internal is cavity structure, described to drop hammer when falling, the plate hydraulic damping buffering device accept described in drop hammer, it is described
Pallet and third pressing plate are fallen into the cavity structure, and the second pressure sensor and displacement for avoiding clashing and breaking from being installed on pallet pass
Sensor.
It opens up fluted on the second pressing plate being flexibly connected on the sleeve, the first pressure sensor is installed in institute
It states in groove.
Described sleeve pipe is connected by connecting pin with the sleeve, and the anchor pole is installed in described sleeve pipe by Anchor Agent
In.
The staircase is obliquely installed, and is provided with handrail in the two sides of the staircase.
The decelerator is frequency conversion speed-down motor.
The first pressure sensor and second pressure sensor are voltage-type pressure sensor, shown displacement sensor
For stay-supported type displacement sensor.
A kind of beneficial effect of drop hammer type dynamic impact testing machine of the utility model：Structure novel, economic value is high, warp
Ji, convenient for operation, can test release can anchor pole and the common bolt body of rod impact energy is resisted and absorbed under impact loading
The performance of amount can be resisted and be inhaled under impact loading to release energy anchor pole and common bolt when test simulation anchored in situ
Receive the performance of impact energy.By dynamic impact, detect release after every Secondary Shocks can anchor pole elongation, slippage and radial deformation
Amount, and the variation relation described between relation curve, impact resistance and shock duration between impact resistance and displacement is bent
The relation curve of relation curve, displacement between line, impact resistance and impact energy and shock duration and release can anchor pole bullet
Relation curve between amount of plastic deformation, slippage and impact energy, by studying above-mentioned relation tracing analysis, energy is released in optimization
Anchor pole, and reasonable supporting is provided to the large deformation problem of underground engineering；Field condition can be accurately reacted, can be scene
Design of its support provides valuable test support, functional.
Detailed description of the invention：
Fig. 1 is a kind of structural schematic diagram of drop hammer type dynamic impact testing machine of the utility model；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the schematic cross-section of C-C in Fig. 2；
Fig. 4 is the structural schematic diagram to drop hammer；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is the structural schematic diagram of suspension hook；
Fig. 7 is the left view of Fig. 6；
In figure：1- support post, 2- pedestal, 3- fixed platform, 4- staircase, 5- decelerator, the first pressing plate of 6-, 7- set
Pipe, 8- sleeve, 9- anchor pole, the second pressing plate of 10-, 11- first pressure sensor, 12- third pressing plate, 13- pallet, 14- second are pressed
Force snesor, 15- displacement sensor, 16- drop hammer, 17- suspension hook, the perpendicular pin of 18-, 19- link, and 20- drops hammer emergency support, and 21- is anti-
Backplate, 22- buffer unit, 23- plate hydraulic damping buffering device, 24- attachment beam, 25- connecting pin, 26- handrail, 27- are automatic
Tripping gear.
Specific embodiment：
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope within.
According to FIG. 1 to FIG. 7, a kind of drop hammer type dynamic impact testing machine provided by the utility model, for testing anchor
The dynamic performance of anchor pole when bar and simulation anchored in situ, belongs to shock dynamics test field, mainly includes host, control
Device processed and test macro, the host include four-column type stand, staircase 4, lifting device, the device that drops hammer, buffer unit 22, set
Pipe 7 etc., the four-column type stand 1 are used to support and fix entire shock machine, and the staircase 4 installs casing for personnel
7, connecting pin 25, anchor pole 9 and the emergency support 20 that drops hammer, the lifting device will be for that will be in 16 promotions of dropping hammer of test motor spindle
To the height of setting, the device that drops hammer is for the vertical drop impact pallet 13 from testing machine certain altitude；When dropping hammer 16
When anchor pole 9 impacts next from casing 7, the buffer unit 22 is used to buffer 16 and 9 support of anchor pole of dropping hammer fallen from above
The auxiliary facilities such as disk 13；Described sleeve pipe 7 is for simulating underground country rock, the control device, for control drop hammer 16 lifting；Institute
Test macro is stated, then mainly includes that pressure sensor 11,14, displacement sensor 15 and matched data collecting instrument and analysis are soft
Part senses real-time impact data, and carry out data output and interpretation of result when the 16 pairs of pallets 13 that drop hammer impact.
And specifically, the four-column type stand performance is stable, compressive property is good, and has graceful design,
It includes support post 1, and 1 lower end of support post is connected with pedestal 2, is supported by the pedestal 2 and fixes entire impact
Testing machine, the work that shock machine can be stable during guarantee test, the upper end is provided with fixed platform 3, the support
1 side of column is provided with staircase 4, and the staircase 4 is obliquely installed, and is provided with handrail 26 in the two sides of the staircase 4, described
Lifting device includes the decelerator 5 being fixedly installed in the fixed platform 3 and the first pressing plate 6, the decelerator 5
For variable frequency reducer motor, which can be realized electrodeless variable-speed function under control of the control system, make to drop hammer 16
Promotion speed it is adjustable, improve the efficiency of test, the frequency conversion type decelerating motor have it is small in size, provide that torque is big, working efficiency
The advantages that high, is connected with sleeve 8 in the lower end surface of first pressing plate 6, and 8 lower part of sleeve is connected with set by connecting pin 25
Pipe 7 is fitted with anchor pole 9 in described sleeve pipe 7, and the anchor pole 9 is installed in described sleeve pipe 7 by Anchor Agent, on the sleeve 8
The second pressing plate 10 is slidably connected, 10 upper surface of the second pressing plate is equipped with first pressure sensor 11, and the anchor pole 9 extends
One end end outside to the sleeve 8 is connected with third pressing plate 12 and pallet 13, and the third pressing plate 12 is located at the pallet
13 tops, 13 upper surface of pallet are equipped with second pressure sensor 14, and lower end surface is equipped with displacement sensor 15, described
The device that drops hammer includes being sheathed in described sleeve pipe 7 to drop hammer 16, and the output shaft of the motor 5 described in wirerope connection by falling
Hammer 16, with 16 movements of dropping hammer described in traction, is dropped hammer by promoting one section of wirerope for being connected to suspension hook described in the wirerope connection
16 end is equipped with suspension hook 17, is equipped with automatic decoupling device 27 on the suspension hook 17, so that the suspension hook 17 automatically disengages
Described to drop hammer 16, the buffer unit 22 is set to 2 top of pedestal, comes when 16 anchor poles 9 that drop hammer are impacted from casing 7
When, for buffering 16 and the equal auxiliary facilities of 9 pallet 13 of anchor pole of dropping hammer fallen from above, directly landing is avoided to damage.
Further, the buffer unit 22 includes two plate hydraulic damping buffering devices 23 being oppositely arranged, in institute
It states and offers square three-way groove in the middle part of plate hydraulic damping buffering device 23, two 23 ends of plate hydraulic damping buffering device
It is attached by attachment beam, encloses and set in rectangle between the attachment beam and the plate hydraulic damping buffering device 23, in
Portion is cavity structure, it is described drop hammer 16 whereabouts when, the plate hydraulic damping buffering device 23 accept it is described drop hammer 16, the support
Disk 13 and third pressing plate 12 are fallen into the cavity structure, the second pressure sensor 14 that avoids clashing and breaking from being installed on pallet 13 and
Displacement sensor 15.
Further, circular arc chamfering is arranged in 1 inner surface of support post, and 16 four angles of dropping hammer are respectively provided with
Fluted, the radian of the groove is identical as the radian of the circular arc chamfering, described to drop hammer 16 along about 1 support post fortune
It is dynamic, play the role of guided way, and lubricating oil can be coated with the position that 16 are connected of dropping hammer in support post 1, guarantees to drop hammer 16
Can be along 1 free-falling of support post, 16 dropping process that make to drop hammer are similar to the movement of falling object.
Further, 16 upper surface of dropping hammer is provided with perpendicular pin 18 and link 19, by the perpendicular pin 18 it is fixed from
Counterweight sticks together, and the suspension hook 17 is mounted on the link 18, it is described drop hammer 16 center at offer centre bore, for the anchor pole 9,
Anchor cable and test impact material pass through, and in the present embodiment, the perpendicular pin 18 is four, are distributed in 16 upper surfaces of dropping hammer
Four angles, be in distributed rectangular.
Further, it is also equipped with the emergency support 20 that drops hammer in 16 lower parts of dropping hammer, to drop hammer described in block, prevents institute
State drop hammer 16 whereabouts, be additionally provided with protective plate 21 in the fixed platform 3, the protective plate 21 is enclosed set on the deceleration electric
5 outside of machine, limits it, prevents 5 changing of the relative positions of decelerator.
Further, the first pressure sensor 11 is 10 on second pressing plate, the second pressure sensor 14
It is distributed in a ring on the pallet 13, the diameter of two annulars is identical, divides on first pressing plate 6 and pallet 13
She Zhi not be there are three first pressure sensor 11 or second pressure sensor 14, and two adjacent first pressure sensors
Angle between 11 or second pressure sensor 14 is 120 °.
Further, it opens up fluted on the second pressing plate 10 being flexibly connected on the sleeve 8, the first pressure is passed
Sensor 11 is installed in the groove.
Further, the first pressure sensor 11 and second pressure sensor 14 are voltage-type pressure sensor,
Shown displacement sensor 15 is stay-supported type displacement sensor.
Further, the frequency conversion speed-down motor 5 is circumscribed with control box, controls frequency conversion speed-down electricity by the control box
Motivation 5 drops hammer 16 to be promoted, and in lifting process, speed be can control, when reaching setting height, control box press stopping by
Button lays down suspension hook 17 then by automatic decoupling device 27, drops hammer and 16 9 pallet 13 of anchor pole is impacted in free-falling
On third pressing plate 12.
A kind of primary test process of drop hammer type dynamic impact testing machine of the utility model is described in detail with reference to the accompanying drawing,
Specific step is as follows：
Step 1：It is anchored in described sleeve pipe 7 after 9 outer wall of anchor pole volume sets resin explosive roll, and detects whether to anchor
Well, to simulate the field condition of underground engineering, and a large amount of irregular fine cracks are carved with inside casing 7, the scene of simulation is bored
The rough contact surface in hole is also equipped with the emergency support 20 that drops hammer in 16 lower parts of dropping hammer, and drops hammer 16 described in block, prevents described drop hammer
16 whereabouts, and detect to drop hammer and whether be lubricated between 16 4 jiaos of grooves and support post 1；
Step 2：By the first pressure sensor 11, second pressure sensor 14 and displacement sensor 15 successively with number
It is connected according to Acquisition Instrument with computer, and detects whether can show each sensor on computer；
Step 3：The emergency support 20 that drops hammer is taken down, the automatic decoupling device 27 installed on the suspension hook 17 is adjusted, is made described
Suspension hook 17, which automatically disengages, described drops hammer 16；
Step 4：16 whereabouts of dropping hammer, after completing impact, height of 16 promotions to test setting next time of dropping hammer, and
With dropping hammer, emergency support 20 is supported；
Step 5：The data that data collecting instrument acquires are analyzed by computer；
Step 6：Adjust drop hammer 16 weight and shock height, repeat the above steps three~five, study different impacts height
Degree and dynamic performance of the impact energy to anchor pole 9 under anchor situation.
The utility model mainly uses voltage-type pressure sensor, stay wire displacement sensor, these sensors are sequentially connected
Voltage signal is converted into digital signal and is stored in data collecting instrument, then used tricks by data collecting instrument and computer, sensor
Calculation machine is read out and analyzes, and the first pressure sensor 11 being fixed on the first pressing plate 6 is used to test the impact of entire frame
Power, the second pressure sensor 14 being fixed on anchor rod pallet board 13 then are used to test the impact resistance for the 16 pairs of anchor poles 9 that drop hammer, draw
After linear movement pick-up is used to test and drop hammer 16 impact anchor poles 9, the displacement of anchor pole 9, to realize the test mesh of the utility model
's.
Finally it should be noted that：Above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System, although the utility model is described in detail referring to above-described embodiment, those of ordinary skill in the art should be managed
Solution：Specific implementation of the utility model can still be modified or equivalent replacement, and without departing from the utility model
Any modification of spirit and scope or equivalent replacement should all cover in present claims range.
Claims (10)
1. a kind of drop hammer type dynamic impact testing machine, which is characterized in that include：Support post, the support post lower end are affixed
There is pedestal, the upper end is provided with fixed platform, and the support post side is provided with staircase, is fixedly installed in the fixed platform
There are decelerator and the first pressing plate, the lower end surface of first pressing plate is connected with sleeve, and the lower cartridge is connected with casing,
It is fitted with anchor pole in described sleeve pipe, the second pressing plate is slidably connected on the sleeve, second pressing plate upper surface is equipped with
One pressure sensor, one end end that the anchor pole extends to the cartridge exterior are connected with third pressing plate and pallet, and described
Three pressing plates are located above the pallet, and the pallet upper surface is equipped with second pressure sensor, and lower end surface is equipped with displacement
Sensor is also arranged in described sleeve pipe and drops hammer, and the output shaft of the motor described in wirerope connection by dropping hammer, with traction
The movement of dropping hammer, the end dropped hammer described in wirerope connection are equipped with suspension hook, are equipped on the suspension hook automatically-unhooked
Device, so that the suspension hook automatically disengages described drop hammer.
2. a kind of drop hammer type dynamic impact testing machine according to claim 1, it is characterised in that：On the inside of the support post
Circular arc chamfering is arranged in surface, and four to drop hammer the angle is provided with groove, the radian of the groove and the circular arc chamfering
Radian it is identical, it is described drop hammer along the support post move up and down.
3. a kind of drop hammer type dynamic impact testing machine according to claim 1, it is characterised in that：The upper surface dropped hammer
It is provided with perpendicular pin and link, fixed Self-counterweight is sold by perpendicular and sticks together, the suspension hook is mounted on the link, at the center dropped hammer
Centre bore is offered, is passed through for the anchor pole, anchor cable and test impact material.
4. a kind of drop hammer type dynamic impact testing machine according to claim 1, it is characterised in that：Also pacify the lower part of dropping hammer
Equipped with the emergency support that drops hammer, to drop hammer described in block, the whereabouts dropped hammer is prevented.
5. a kind of drop hammer type dynamic impact testing machine according to claim 1, it is characterised in that：In the fixed platform also
It is provided with protective plate, the protective plate encloses on the outside of the decelerator, limits to it, prevent the deceleration electric
The machine changing of the relative positions.
6. a kind of drop hammer type dynamic impact testing machine according to claim 1, it is characterised in that：The first pressure sensing
Device is on second pressing plate, the second pressure sensor is distributed in a ring on the pallet, two it is described annular
Diameter is identical, and the angle between two adjacent first pressure sensors or second pressure sensor is 120 °.
7. a kind of drop hammer type dynamic impact testing machine according to claim 1, it is characterised in that：Setting above the pedestal
There is buffer unit, the buffer unit includes two plate hydraulic damping buffering devices being oppositely arranged, hydraulic in the plate
Square three-way groove is offered in the middle part of damping buffer unit, two plate hydraulic damping buffering device ends are carried out by attachment beam
Connection is enclosed between the attachment beam and the plate hydraulic damping buffering device and is set in rectangle, and internal is cavity structure, described
Drop hammer when falling, the plate hydraulic damping buffering device accept described in drop hammer, the pallet and third pressing plate fall into the sky
In cavity configuration, the second pressure sensor and displacement sensor that avoid clashing and breaking from being installed on pallet.
8. a kind of drop hammer type dynamic impact testing machine according to claim 1, it is characterised in that：Activity connects on the sleeve
It opens up fluted on the second pressing plate connect, the first pressure sensor is installed in the groove.
9. a kind of drop hammer type dynamic impact testing machine according to claim 1, it is characterised in that：In the fixed platform also
It is provided with protective plate, the protective plate encloses on the outside of the decelerator, limits to it, prevent the deceleration electric
The machine changing of the relative positions.
10. a kind of drop hammer type dynamic impact testing machine according to claim 1, it is characterised in that：The first pressure passes
Sensor and second pressure sensor are voltage-type pressure sensor, and shown displacement sensor is stay-supported type displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820398830.8U CN208125533U (en) | 2018-03-22 | 2018-03-22 | A kind of drop hammer type dynamic impact testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820398830.8U CN208125533U (en) | 2018-03-22 | 2018-03-22 | A kind of drop hammer type dynamic impact testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208125533U true CN208125533U (en) | 2018-11-20 |
Family
ID=64198211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820398830.8U Expired - Fee Related CN208125533U (en) | 2018-03-22 | 2018-03-22 | A kind of drop hammer type dynamic impact testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208125533U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387461A (en) * | 2018-03-22 | 2018-08-10 | 东北大学 | A kind of drop hammer type dynamic impact testing machine and test method |
| CN113466063A (en) * | 2021-05-24 | 2021-10-01 | 长安大学 | Drop hammer impact test platform |
| CN113916692A (en) * | 2021-09-28 | 2022-01-11 | 中国矿业大学(北京) | Multi-anchor rod and/or anchor cable cooperative shock resistance testing device and method |
| CN114323966A (en) * | 2022-03-11 | 2022-04-12 | 中国矿业大学(北京) | Comprehensive mechanical property test system and method for underground engineering anchoring material |
| CN117030178A (en) * | 2023-07-26 | 2023-11-10 | 东北大学 | Test method for prestressed support reinforcing self-bearing support structure of broken rock mass |
-
2018
- 2018-03-22 CN CN201820398830.8U patent/CN208125533U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387461A (en) * | 2018-03-22 | 2018-08-10 | 东北大学 | A kind of drop hammer type dynamic impact testing machine and test method |
| CN113466063A (en) * | 2021-05-24 | 2021-10-01 | 长安大学 | Drop hammer impact test platform |
| CN113916692A (en) * | 2021-09-28 | 2022-01-11 | 中国矿业大学(北京) | Multi-anchor rod and/or anchor cable cooperative shock resistance testing device and method |
| CN113916692B (en) * | 2021-09-28 | 2022-07-01 | 中国矿业大学(北京) | Multi-anchor rod and/or anchor cable cooperative shock resistance testing device and method |
| CN114323966A (en) * | 2022-03-11 | 2022-04-12 | 中国矿业大学(北京) | Comprehensive mechanical property test system and method for underground engineering anchoring material |
| CN114323966B (en) * | 2022-03-11 | 2022-06-24 | 中国矿业大学(北京) | Comprehensive mechanical property test system and method for underground engineering anchoring material |
| CN117030178A (en) * | 2023-07-26 | 2023-11-10 | 东北大学 | Test method for prestressed support reinforcing self-bearing support structure of broken rock mass |
| CN117030178B (en) * | 2023-07-26 | 2024-04-12 | 东北大学 | Test method for prestressed support reinforcing self-bearing support structure of broken rock mass |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108387461A (en) | A kind of drop hammer type dynamic impact testing machine and test method | |
| CN208125533U (en) | A kind of drop hammer type dynamic impact testing machine | |
| CN102621013B (en) | Dynamic performance test macro | |
| JP5926853B2 (en) | Dynamic performance test system | |
| CN106769484B (en) | Two to static and impact dynamically load Roadway model experimental provision and experimental method | |
| CN104697736A (en) | Anchor rod impact resistance testing system considering about interaction of support-wall rock and application method thereof | |
| CN103558006A (en) | Controllable impact force physical simulation impact test method and device for impact mine pressure roadway support | |
| CN111238757B (en) | Comprehensive test system for performance of hydraulic support under rock burst working condition and application | |
| CN106769490B (en) | A kind of device for detecting performance of energy-absorbing erosion control support apparatus | |
| CN115452620A (en) | Multi-azimuth drop hammer type dynamic load impact test method | |
| CN204439319U (en) | Consider the anchor pole shock resistance test macro of interaction between support-surrounding rock | |
| CN102937554B (en) | High-stress rock drilling testing device | |
| CN105155597B (en) | A kind of monitoring of underground structure and regulating system and its construction method | |
| CN113567254A (en) | Structural plane-containing rock shear creep-impact testing machine under constant normal stiffness condition and testing method thereof | |
| CN207081532U (en) | A kind of drop machine | |
| CN105587336A (en) | Vertical life rescue cabin for vertical rescue lifting system in mine | |
| CN109269754B (en) | Cylinder type guiding directional impact device and method for energy dissipater power test in rockfall interception system | |
| CN113187505A (en) | Rock burst resistance supporting and monitoring equipment based on surrounding rock strain softening characteristic | |
| CN112924129A (en) | Multi-dimensional large-scale simulation test equipment for impact response of high-order dangerous rock protective structure | |
| CN111504659A (en) | Multifunctional airport pavement single-wheel test loading frame | |
| CN206945310U (en) | A kind of workings subject to dy namic pressure stability three-dimensional analog simulation device | |
| CN205426695U (en) | Stock impact testing device | |
| CN111287345A (en) | Shock absorber for building | |
| CN214460712U (en) | Optical fiber expansion device for pile foundation self-balancing static load test | |
| CN103969047A (en) | Impact test device for bearing and impact-resistant performance test method for bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20210322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |