CN114088441A - Impactor experiment machine - Google Patents
Impactor experiment machine Download PDFInfo
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- CN114088441A CN114088441A CN202111575593.0A CN202111575593A CN114088441A CN 114088441 A CN114088441 A CN 114088441A CN 202111575593 A CN202111575593 A CN 202111575593A CN 114088441 A CN114088441 A CN 114088441A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 230000001939 inductive effect Effects 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 18
- 239000003921 oil Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 239000002184 metal Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 3
- 238000009863 impact test Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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Abstract
The invention discloses an impactor experimental machine which comprises a main body, a supporting part, an impactor, a control part and an experimental device, wherein the main body is provided with a support part; the experimental device comprises a main shaft, a clamping part, a lifting part, a rotating part and an energy supply part; the supporting component is arranged at the bottom end of the main body and is used for supporting the main body and bearing an impact experiment of the impactor; the four outer side walls of the main body are outwards provided with clamping parts along the horizontal direction and used for clamping the impacter; a main shaft is arranged in the center of the main body along the vertical direction; the lifting component is horizontally arranged on one side of the main shaft; a rotating part is sleeved on the main shaft above the lifting part; the energy supply component is connected with the rotating component and is used for supplying related energy to the impactor; the control component is respectively connected with the clamping component, the lifting component, the rotating component and the energy supply component. The device simple structure can provide the experiment test for four impactors, can improve the operating efficiency high-efficiently, protect good operation environment, protection personnel's safety, guarantee product comprehensive properties, promote product quality.
Description
Technical Field
The invention relates to the technical field of impactor experiments, in particular to an impactor experiment machine.
Background
The down-the-hole hammer is subjected to a hammer work experiment after being manufactured and assembled and before finally leaving a factory. At present, the experimental work of the impactor is completed by two or three persons in cooperation. During a specific experiment, firstly two persons press the impactor together to enable the impactor and a struck base plate to form pressure, meanwhile, a third person installs a gas passing conversion joint at the upper end of the impactor, and then pressure gas for the experiment is started; after the experiment is started and the impactor experiment reaches the set time, the experiment pressure gas is cut off, and the impact experiment work is finished.
However, the operation of the manual auxiliary experiment has three disadvantages, namely, firstly, the safety is high, and a great potential safety hazard exists in the manual operation process. Secondly, the manual operation efficiency is low, and the air pipe joint needs to be disassembled twice; thirdly, manual operation does not guarantee the quality of the test.
Therefore, it is an urgent need to solve the problem of the art to provide an impactor testing machine which can improve the testing efficiency and the product quality without the need of manual auxiliary testing.
Disclosure of Invention
The invention aims to provide an impactor experimental machine which is simple in structure, safe, effective, reliable and simple and convenient to operate, can provide experimental tests for four impactors, and can efficiently improve the operation efficiency, protect excellent operation environment, protect personnel safety, ensure the comprehensive performance of products and improve the product quality.
Based on the above purposes, the technical scheme provided by the invention is as follows:
an impactor experimental machine comprises a main body, a supporting part, an impactor, a control part and an experimental device;
the experimental device comprises a main shaft, a clamping part, a lifting part, a rotating part and an energy supply part;
the supporting part is arranged at the bottom end of the main body and is used for supporting the main body and bearing an impact experiment of the impactor;
the clamping parts are arranged on the four outer side walls of the main body outwards along the horizontal direction and used for clamping the impacter;
a main shaft is arranged in the center of the main body along the vertical direction;
the lifting component is horizontally arranged on one side of the main shaft;
the main shaft above the lifting component is sleeved with the rotating component;
the energy supply component is connected with the rotating component and is used for supplying related energy to the impactor;
the control component is respectively connected with the clamping component, the lifting component, the rotating component and the energy supply component.
Preferably, the support member includes a base, a damper spring, and a pad plate;
equally dividing the base into four partitions, wherein each partition corresponds to one outer side wall of the main body;
each subarea of the base is provided with the damping spring and the backing plate;
the two ends of the damping spring are respectively connected with the base and the backing plate.
Preferably, the first and second electrodes are formed of a metal,
the clamping component comprises a holding oil cylinder and a clamp;
the forceps clip is U-shaped, and the bottom end of the forceps clip is connected with the outer side wall of the main body;
the clasping oil cylinder horizontally penetrates through the left side and the right side of the clamp and is used for clamping and fixing the impacter.
Preferably, the first and second electrodes are formed of a metal,
the lifting component is specifically a lifting oil cylinder;
the lift cylinder sets up main shaft one side, and with the main shaft supports and leans on, be used for with the rotating part cooperation makes energy supply part reaches and predetermines the position and does the impacter energy supply.
Preferably, the first and second electrodes are formed of a metal,
the rotating part comprises a rotary speed reducer, a first arm support and a rotary joint;
the rotary speed reducer is sleeved on the main shaft above the lifting oil cylinder, is disc-shaped and is used for driving the first arm support to rotate; (ii) a
One end of the first arm support is connected with the energy supply part, the other end of the first arm support is movably sleeved on the main shaft, and the first arm support is positioned above the rotary speed reducer;
the rotary joint is arranged at the top end of the main shaft.
Preferably, the first and second electrodes are formed of a metal,
the control part 4 comprises an instruction pedal, a compensation cylinder, an induction switch, a second arm support and a third arm support;
the instruction pedal is arranged on the base and is respectively connected with the lifting oil cylinder, the enclasping oil cylinder, the rotary speed reducer and the induction switch;
the compensation cylinder is respectively connected with the inductive switch and the first arm support;
one end of the third arm support is provided with the compensation cylinder, and the other end of the third arm support is sleeved on the main shaft;
one end of the second arm support is provided with the inductive switch, and the other end of the second arm support is sleeved on the main shaft;
the third arm support is positioned above the second arm support, and the third arm support and the second arm support are both positioned between the rotary joint and the first arm support.
Preferably, the first and second electrodes are formed of a metal,
the energy supply part comprises an air nozzle and a channel;
the air tap faces the base direction;
the channel is connected with the air faucet and arranged above the air faucet;
the channel is connected with the first arm support.
Preferably, the first and second electrodes are formed of a metal,
the bottom end of the impactor is abutted to the base plate, the top end of the impactor is located below the air faucet, and the impactor body is clamped by the clamp.
The impactor experimental machine provided by the invention comprises a main body, a supporting part, an impactor, a control part and an experimental device. The experimental device comprises a main shaft, a clamping component, a lifting component, a rotating component and an energy supply component. The supporting component is arranged at the bottom end of the main body and used for supporting the main body and bearing an impact experiment of the impactor; the four outer side walls of the main body are horizontally and outwards provided with clamping parts for clamping the impacter; a main shaft is arranged in the center of the main body along the vertical direction; the lifting component is horizontally arranged on one side of the main shaft; a rotating part is sleeved on the main shaft above the lifting part; the rotating part is connected with the functional part. The control component is connected with the clamping component, the lifting component, the rotating component and the functional component. In the course of the work, the control part control clamping part centre gripping impacter, control lifting unit realizes going up and down afterwards, and control rotating member rotates afterwards, and the energy supply part that makes to be connected with rotating member is relative with the impacter upper end, pours into the energy into the impacter through energy supply part, takes out energy supply part after the injection end. Meanwhile, the impactor experiment is started, and after the experiment is finished, the rotating part is controlled to inject energy into the other impactor, so that the impactor experiment is continued. The impactor experimental machine provided by the invention can complete the impact experiment on a plurality of impactors only by setting related programs such as rotation degree, lifting height and the amount of injected energy in the control part by a worker, does not need manual auxiliary experiments, and can efficiently improve the operation efficiency, protect excellent operation environment, protect personnel safety, ensure the comprehensive performance of products and improve the product quality.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an impactor testing machine according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of an impactor testing machine according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiments of the present invention are written in a progressive manner.
The embodiment of the invention provides an impactor experiment machine. The method mainly solves the problem that in the prior art, great potential safety hazards exist in the manual operation process; the manual operation efficiency is low; the manual operation test quality can not be guaranteed.
An impactor experiment machine comprises a main body 1, a supporting part 2, an impactor 3, a control part 4 and an experiment device;
the experimental device comprises a main shaft 5, a clamping part 6, a lifting part 7, a rotating part 8 and an energy supply part 9;
the supporting part 2 is arranged at the bottom end of the main body 1 and is used for supporting the main body 1 and carrying an impact test of the impactor 3;
the four outer side walls of the main body 1 are outwards provided with clamping parts 6 along the horizontal direction and used for clamping the impacter 3;
a main shaft 5 is arranged at the center of the main body 1 along the vertical direction;
the lifting component 7 is horizontally arranged on one side of the main shaft 5;
a rotating part 8 is sleeved on the main shaft 5 above the lifting part 7;
the energy supply part 9 is connected with the rotating part 8 and is used for supplying relevant energy to the impactor 3;
the control part 4 is respectively connected with the clamping part 6, the lifting part 7, the rotating part 8 and the energy supply part 9.
The impactor experimental machine provided by the invention comprises a main body, a supporting part, an impactor, a control part and an experimental device. The experimental device comprises a main shaft, a clamping component, a lifting component, a rotating component and an energy supply component. The supporting component is arranged at the bottom end of the main body and used for supporting the main body and bearing an impact experiment of the impactor; the four outer side walls of the main body are horizontally and outwards provided with clamping parts for clamping the impacter; a main shaft is arranged in the center of the main body along the vertical direction; the lifting component is horizontally arranged on one side of the main shaft; a rotating part is sleeved on the main shaft above the lifting part; the rotating part is connected with the functional part. The control component is connected with the clamping component, the lifting component, the rotating component and the functional component. In the course of the work, the control part control clamping part centre gripping impacter, control lifting unit realizes going up and down afterwards, and control rotating member rotates afterwards, and the energy supply part that makes to be connected with rotating member is relative with the impacter upper end, pours into the energy into the impacter through energy supply part, takes out energy supply part after the injection end. Meanwhile, the impactor experiment is started, and after the experiment is finished, the rotating part is controlled to inject energy into the other impactor, so that the impactor experiment is continued. The impactor experimental machine provided by the invention can complete the impact experiment on a plurality of impactors only by setting related programs such as rotation degree, lifting height and the amount of injected energy in the control part by a worker, does not need manual auxiliary experiments, and can efficiently improve the operation efficiency, protect excellent operation environment, protect personnel safety, ensure the comprehensive performance of products and improve the product quality.
Preferably, the support member 2 includes a base 21, a damper spring 22, and a pad plate 23;
the base 21 is divided into four partitions, and each partition corresponds to one outer side wall of the main body 1;
each subarea of the base 21 is provided with a damping spring 22 and a backing plate 23;
the two ends of the damping spring 22 are respectively connected with the base 21 and the backing plate 23.
In practice, the support member is provided with a base, a pad and a shock absorbing spring, the base being generally placed on a horizontal surface for supporting the body and the impactor for impact testing. The backing plate sets up in the bottom of impacter, through set up damping spring between backing plate and base, reduces the impact shock wave and the impulsive noise that produce in the impacter strikes the experiment. In this embodiment, the base is the cylinder, equally divide into four semicircle regions with the base upper surface, and every semicircle region corresponds an lateral wall of main part, all has an impacter in every semicircle region, is provided with damping spring between backing plate bottom surface that the impacter contacted and the base upper surface. The four impactors are controlled to rotate the part according to the time of predetermineeing and are strikeed the experiment to four impactors in proper order, compare in, open clamping part behind the detection impacter, the mode that puts the second impacter is more efficient.
Preferably, the first and second electrodes are formed of a metal,
the clamping component 6 comprises a holding cylinder 61 and a clamp 62;
the clamp 62 is U-shaped, and the bottom end is connected with the outer side wall of the main body 1;
the holding cylinder 61 horizontally penetrates through the left side and the right side of the clamp 62 and is used for clamping and fixing the impactor 3.
In the practical application process, the clamping part is provided with a holding oil cylinder and a clamp, wherein the clamp is U-shaped, the bottom end of the clamp is connected with the outer side wall of the main body, the left side and the right side of the clamp are horizontally penetrated through by the holding oil cylinder, and the holding oil cylinder and the clamp are matched with each other and used for clamping and fixing the impacter. In the course of the work, through with the control unit who holds the hydro-cylinder and be connected tightly, the hydro-cylinder is held tightly of control forceps holder left and right sides, and thrust is exerted in opposite directions, through the thrust at both ends about the impacter to and under the effect of forceps holder, fixed impacter position makes it keep balance in vertical direction, and then makes the impacter can receive the energy by the supply of energy part supply, strikes the experiment afterwards.
Preferably, the first and second electrodes are formed of a metal,
the lifting component 7 is specifically a lifting oil cylinder 71;
the lifting oil cylinder 71 is arranged on one side of the main shaft 5, abuts against the main shaft 5 and is used for being matched with the rotating component 8, so that the energy supply component 9 reaches a preset position to supply energy to the impactor 3.
In the practical application process, the lifting component is specifically a lifting oil cylinder, and the lifting oil cylinder is arranged on one side of the main shaft. In the working process, the lifting device is controlled to lift through the control component. The lifting device drives the rotating part and the energy supply part above the lifting device to lift, stops lifting after the lifting device is lifted to a proper position, supplies energy to the impacter through the energy supply part, and enables the impacter to complete an impact experiment.
Preferably, the first and second electrodes are formed of a metal,
the rotating part 8 comprises a rotary speed reducer 81, a first arm support 82 and a rotary joint 83;
the rotary speed reducer 81 is sleeved on the main shaft 5 above the lifting oil cylinder 71, and the rotary speed reducer 81 is disc-shaped and is used for driving the first arm support 82 to rotate; (ii) a
One end of the first arm support 82 is connected with the energy supply part 9, the other end of the first arm support 82 is movably sleeved on the main shaft 5, and the first arm support 82 is positioned above the rotary speed reducer 81;
the rotary joint 83 is provided at the top end of the main shaft 5.
In the practical application process, the rotating part is also provided with a rotary speed reducer, a first arm support and a rotary joint. The rotary speed reducer and the first arm support are both sleeved on the main shaft, and the other end of the first arm support is connected with the energy supply component. The rotary joint is arranged at the top end of the main shaft. In the working process, after the instruction is received, the rotary speed reducer drives the first arm support to rotate to the preset station so as to supply energy to the impacter by the energy supply component. The rotary joint is connected with an external driving machine, such as a driving motor, an air compressor and the like, and receives voltage or high-pressure air as rotary power.
Preferably, the first and second electrodes are formed of a metal,
the control part 4 comprises an instruction pedal 41, a compensation air cylinder 42, an inductive switch 43, a second arm support 44 and a third arm support 45;
the instruction pedal 41 is arranged on the base 21 and is respectively connected with the lifting cylinder 71, the enclasping cylinder 61, the rotary speed reducer 81 and the inductive switch 43;
the compensation cylinder 42 is respectively connected with the inductive switch 43 and the first arm support 82;
one end of the third arm support 45 is provided with a compensation cylinder 42, and the other end is sleeved on the main shaft 5;
one end of the second arm support 44 is provided with an inductive switch 43, and the other end is sleeved on the main shaft 5;
the third arm support 45 is located above the second arm support 44, and both the third arm support 45 and the second arm support 44 are located between the rotary joint 83 and the first arm support 82.
In the actual application process, the control part 4 is provided with an instruction pedal, a compensation cylinder, an inductive switch, a second arm support and a third arm support. Wherein, the instruction footboard sets up on the base, is connected with lift cylinder, cohesion hydro-cylinder, the reduction gear that circles round, inductive switch respectively. An inductive switch is arranged on the second arm support, a compensation cylinder is arranged on the third arm support, one end of the second arm support and one end of the third arm support are both sleeved on the main shaft, and the third arm support is positioned above the second arm support. In the course of the work, be provided with the PLC chip in the instruction footboard, the staff predetermines lifting height, the dynamics of holding tightly, rotation speed and response condition in the PLC chip, according to above-mentioned parameter, sends the instruction through the instruction footboard, makes lift cylinder, holds tightly the hydro-cylinder, the reduction gear that circles round, inductive switch make corresponding reaction. After the induction switch induces the rotary speed reducer to drive the first arm support to rotate to the preset station, the compensation cylinder is switched on to push the first arm support to move downwards in the vertical direction, the energy supply part is embedded into the impactor, and lubricating oil, compressed air and other energy sources are injected into the impactor, so that the impactor is ready for an impact experiment.
Preferably, the first and second electrodes are formed of a metal,
the energy supply part 9 comprises an air nozzle 91 and a channel 92;
the air nozzle 91 faces the base 21;
the passage 92 is connected to the air nozzle 91 and is disposed above the air nozzle 91;
the channel 92 is connected to the first arm 82.
In the practical application process, the energy supply part is provided with an air nozzle and a channel, one end of the channel is connected with the air nozzle, and the other end of the channel is connected with the first arm support. In the working process, after the first arm support moves to the preset station, the air nozzle is embedded into the hole in the top end of the impactor, and a worker injects lubricating oil and compressed air into the impactor through the channel and the air nozzle.
Preferably, the first and second electrodes are formed of a metal,
the bottom end of the impactor 3 abuts against the pad plate 23, the top end of the impactor 3 is located below the air nozzle 91, and the main body of the impactor 3 is clamped by the clamp 62.
In the practical application process, the bottom end of the impactor is abutted to the base plate, the top end of the impactor is located below the air faucet, and the impactor body is clamped by the clamp. During operation, the impactor body is held by the jaws. After receiving the lubricating oil and compressed air in the impactor, the air tap is removed, and then the impactor is subjected to an impact test.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The impactor experimental machine provided by the invention is described in detail above. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An impactor experimental machine is characterized by comprising a main body, a supporting part, an impactor, a control part and an experimental device;
the experimental device comprises a main shaft, a clamping part, a lifting part, a rotating part and an energy supply part;
the supporting part is arranged at the bottom end of the main body and is used for supporting the main body and bearing an impact experiment of the impactor;
the clamping parts are arranged on the four outer side walls of the main body outwards along the horizontal direction and used for clamping the impacter;
a main shaft is arranged in the center of the main body along the vertical direction;
the lifting component is horizontally arranged on one side of the main shaft;
the main shaft above the lifting component is sleeved with the rotating component;
the energy supply component is connected with the rotating component and is used for supplying related energy to the impactor;
the control component is respectively connected with the clamping component, the lifting component, the rotating component and the energy supply component.
2. The impactor experimental machine according to claim 1, wherein the support member includes a base, a damper spring, and a pad plate;
equally dividing the base into four partitions, wherein each partition corresponds to one outer side wall of the main body;
each subarea of the base is provided with the damping spring and the backing plate;
the two ends of the damping spring are respectively connected with the base and the backing plate.
3. The impactor experimental machine according to claim 2,
the clamping component comprises a holding oil cylinder and a clamp;
the forceps clip is U-shaped, and the bottom end of the forceps clip is connected with the outer side wall of the main body;
the clasping oil cylinder horizontally penetrates through the left side and the right side of the clamp and is used for clamping and fixing the impacter.
4. The impactor experimental machine according to claim 3,
the lifting component is specifically a lifting oil cylinder;
the lift cylinder sets up main shaft one side, and with the main shaft supports and leans on, be used for with the rotating part cooperation makes energy supply part reaches and predetermines the position and does the impacter energy supply.
5. The impactor experimental machine according to claim 4,
the rotating part comprises a rotary speed reducer, a first arm support and a rotary joint;
the rotary speed reducer is sleeved on the main shaft above the lifting oil cylinder, is disc-shaped and is used for driving the first arm support to rotate; (ii) a
One end of the first arm support is connected with the energy supply part, the other end of the first arm support is movably sleeved on the main shaft, and the first arm support is positioned above the rotary speed reducer;
the rotary joint is arranged at the top end of the main shaft.
6. The impactor experimental machine according to claim 5,
the control part 4 comprises an instruction pedal, a compensation cylinder, an induction switch, a second arm support and a third arm support;
the instruction pedal is arranged on the base and is respectively connected with the lifting oil cylinder, the enclasping oil cylinder, the rotary speed reducer and the induction switch;
the compensation cylinder is respectively connected with the inductive switch and the first arm support;
one end of the third arm support is provided with the compensation cylinder, and the other end of the third arm support is sleeved on the main shaft;
one end of the second arm support is provided with the inductive switch, and the other end of the second arm support is sleeved on the main shaft;
the third arm support is positioned above the second arm support, and the third arm support and the second arm support are both positioned between the rotary joint and the first arm support.
7. The impactor experimental machine according to claim 6,
the energy supply part comprises an air nozzle and a channel;
the air tap faces the base direction;
the channel is connected with the air faucet and arranged above the air faucet;
the channel is connected with the first arm support.
8. The impactor experimental machine according to claim 7,
the bottom end of the impactor is abutted to the base plate, the top end of the impactor is located below the air faucet, and the impactor body is clamped by the clamp.
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| CN202111575593.0A CN114088441A (en) | 2021-12-21 | 2021-12-21 | Impactor experiment machine |
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| CN202111575593.0A CN114088441A (en) | 2021-12-21 | 2021-12-21 | Impactor experiment machine |
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| KR20110119186A (en) * | 2010-04-27 | 2011-11-02 | 주식회사 대한항공 | Impact test machine |
| CN103776665A (en) * | 2014-02-27 | 2014-05-07 | 青岛众瑞智能仪器有限公司 | Air particulate matter sampler capable of automatically changing membrane |
| 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 |
| CN109030044A (en) * | 2018-06-26 | 2018-12-18 | 中铁隧道局集团有限公司 | A kind of multifunctional tunnel driving experimental provision |
| CN108918134A (en) * | 2018-09-21 | 2018-11-30 | 长沙黑金刚实业有限公司 | A kind of impactor test device |
| CN108907678A (en) * | 2018-09-21 | 2018-11-30 | 长沙黑金刚实业有限公司 | A kind of impactor disassembly apparatus for examination and repair |
| CN109297740A (en) * | 2018-11-12 | 2019-02-01 | 中国石油集团渤海钻探工程有限公司 | A kind of torsion impact device ground performance test macro |
| CN210268974U (en) * | 2019-06-26 | 2020-04-07 | 四川志方科技有限公司 | Online turbine torque detection table for rotary speed reducer |
| CN112756666A (en) * | 2021-01-20 | 2021-05-07 | 福建工程学院 | Multi-spindle tool changing device for drilling |
| CN217111527U (en) * | 2021-12-21 | 2022-08-02 | 长沙黑金刚实业有限公司 | Impactor experiment machine |
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