CN116067812A - Experimental device for abrasion of high-abrasion stratum cutter and application method thereof - Google Patents
Experimental device for abrasion of high-abrasion stratum cutter and application method thereof Download PDFInfo
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- CN116067812A CN116067812A CN202211473932.9A CN202211473932A CN116067812A CN 116067812 A CN116067812 A CN 116067812A CN 202211473932 A CN202211473932 A CN 202211473932A CN 116067812 A CN116067812 A CN 116067812A
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- 238000005299 abrasion Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000011435 rock Substances 0.000 claims abstract description 61
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 230000005641 tunneling Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
- G01N2203/0647—Image analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0694—Temperature
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Abstract
The invention provides an experimental device for abrasion of a high-abrasion stratum cutter and a use method thereof, relating to the technical field of abrasion detection, and comprising the following steps: the device comprises a rear baffle, a rock sample fixing frame, a hob, a cutter box, a cutter disc, a base, a rock sample baffle and a power device, wherein the hob is rigidly connected with the cutter box; the tool wear test device comprises a tool, a tool wear sensor and a tool wear sensor, wherein the tool wear sensor is arranged at a specified position. The invention can obtain the rock breaking efficiency and the cutter abrasion state under different states.
Description
Technical Field
The invention relates to the technical field of wear detection, in particular to an experimental device for high-abrasiveness stratum cutter wear and a use method thereof.
Background
Along with the vigorous development of rail transit in China, the application of shield and heading machines is gradually increased, wherein the high-abrasion hard rock stratum encountered in the heading process has great abrasion on cutters. The disc cutter is used as a main rock breaking cutting tool in a hard rock stratum, the working performance and the state of the disc cutter have great influence on the tunneling efficiency of a tunneling machine, and in the previous construction case, the tool is frequently stopped and replaced due to the fact that the tool is frequently worn by the high-abrasiveness stratum, the construction process is influenced, and the construction cost is increased. Therefore, it is important to explore the rock breaking efficiency and the cutter abrasion state of the disc cutter in various manufacturing processes under the parameters of different thrust, center distance, cutter torque and the like by carrying out a series of indoor experiments before actual construction so as to provide references for cutter design and tunneling parameter control.
In the prior art, an experimental device and a using method thereof are not available for obtaining rock breaking efficiency and cutter abrasion states under different states.
Disclosure of Invention
In view of the above, the present invention is directed to an experimental apparatus for testing tool wear of a highly abrasive stratum to obtain the rock breaking efficiency and tool wear state under different conditions.
In a first aspect, the present invention provides an experimental apparatus for high abrasive formation cutter wear, comprising: the device comprises a rear baffle, a rock sample fixing frame, a hob, a cutter box, a cutter disc, a base, a rock sample baffle and a power device, wherein the hob is rigidly connected with the cutter box, the cutter box is mechanically connected with the cutter disc, the power device drives the cutter disc to move, and the rear baffle, the rock sample fixing frame, the rock sample baffle and the power device are arranged on the base; the tool wear test device is characterized by further comprising a sensing device, wherein the sensing device is arranged at a designated position and is used for acquiring experimental parameters of the tool wear.
With reference to the first possible implementation manner of the first aspect of the present invention, the sensing device includes at least one of a torque rotation speed sensor, a temperature sensor and a three-way force sensor.
With reference to the second possible implementation manner of the first aspect of the present invention, the sensing device includes a torque rotation speed sensor, and the torque sensor is mounted on the output shaft of the power device.
With reference to the second possible implementation manner of the first aspect of the present invention, the sensing device includes an infrared temperature sensor, and the temperature sensor is installed inside the tool box.
With reference to the second possible implementation manner of the first aspect of the present invention, the sensing device includes a three-way force sensor, and the three-way force sensor is installed inside the tool box.
With reference to the second possible implementation manner of the first aspect of the present invention, the sensor device further includes a wireless photosensitive sensor;
the hob is provided with a groove, and the wireless photosensitive sensor is arranged in the groove;
the illumination light source is arranged inside the tool box.
With reference to the second possible implementation manner of the first aspect of the present invention, the cutter head is provided with a ball screw, an auxiliary lever is arranged above and below the ball screw, the auxiliary lever is placed in parallel with the ball screw, and the auxiliary lever is provided with a fastening bolt;
the tool box penetrates through the ball screw and the auxiliary lever, moves on the ball screw and is fixed by the fastening bolt.
With reference to any one of the first to seventh possible implementation manners of the first aspect of the present invention, the method further includes a high-speed camera, where the high-speed camera is installed at the rock sample baffle.
On the other hand, the invention also provides a use method of the experimental device for the abrasion of the high-abrasion stratum cutter, which comprises the following specific steps:
step 1: placing a rock sample on the rock sample fixing frame and clamping and fixing the rock sample, wherein the power device drives the cutterhead to move so that the hob performs cutting operation on the rock sample;
step 2: acquiring relevant experimental parameters of abrasion in the cutting operation process by using a sensing device arranged at a designated position;
step 3: the cutter box moves on the ball screw, and rock breaking efficiency and the abrasion state of the hob in different states are obtained through the high-speed camera;
step 4: and detecting a wear threshold by using the wireless photosensitive sensor arranged on the hob, and sending a sensing signal to prompt an operator to finish the wear test when the wear reaches the threshold.
The embodiment of the invention has the following beneficial effects: the invention provides an experimental device for abrasion of a high-abrasion stratum cutter and a use method thereof, comprising the following steps: the device comprises a rear baffle, a rock sample fixing frame, a hob, a cutter box, a cutter disc, a base, a rock sample baffle and a power device, wherein the hob is rigidly connected with the cutter box; the tool wear test device comprises a tool, a tool wear sensor and a tool wear sensor, wherein the tool wear sensor is arranged at a specified position. The invention can be used for carrying out experiments and obtaining parameters aiming at the rock breaking efficiency and the cutter abrasion state under different parameters.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a front view of an experimental apparatus for high abrasive wear of a formation tool according to an embodiment of the present invention;
FIG. 2 is a top view of an experimental apparatus for high abrasive wear of a formation tool according to an embodiment of the present invention;
FIG. 3 is a top view of an experimental apparatus for high abrasive formation tool wear provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of connection between a cutterhead and a tool box of an experimental device for abrasion of a high abrasion stratum tool provided by an embodiment of the invention;
fig. 5 is a diagram showing a structure of a rock sample fixing frame of an experimental device for abrasion of a high-abrasion stratum cutter according to an embodiment of the invention.
Wherein: 1. a rear baffle; 2. a rock sample fixing frame; 3. a rock sample; 4. a high-speed camera; 5. a hob; 6. a tool box; 7. a cutterhead; 8. a torque rotation speed sensor; 9. a speed reducer; 10. a motor; 11. t-shaped steel groove; 12. a base; 13. a rock sample baffle; 14. a hydraulic rod; 15. a T-shaped slide rail; 16. a device base; 17. an illumination light source; 18. a fastening bolt; 19. a temperature sensor; 20. a three-way force sensor; 21. a wireless light sensor; 22. a secondary bar; 23. a ball screw; 24. a bolt; 25. a fixed frame pull rod; 26. a tension spring; 27. a bearing plate; 28. a vertical pull rod.
Detailed Description
At present, along with the strong development of rail transit in China, the application of shield and heading machines is gradually increased, wherein the high-abrasion hard rock stratum encountered in the heading process has great abrasion on cutters. The disc cutter is used as a main rock breaking cutting tool in a hard rock stratum, the working performance and the state of the disc cutter have great influence on the tunneling efficiency of a tunneling machine, and in the previous construction case, the tool is frequently stopped and replaced due to the fact that the tool is frequently worn by the high-abrasiveness stratum, the construction process is influenced, and the construction cost is increased. Therefore, it is important to explore the rock breaking efficiency and the cutter abrasion state of the disc cutter in various manufacturing processes under the parameters of different thrust, center distance, cutter torque and the like by performing a series of indoor experiments before actual construction, so that references are provided for cutter design and tunneling parameter control.
For the sake of understanding the present embodiment, a detailed description will be given of an experimental apparatus for abrasion of a highly abrasive formation tool according to an embodiment of the present invention.
Here, referring to fig. 1 and 2, a description will be given of a prior art apparatus for wearing a highly abrasive earth formation tool, the apparatus for wearing a highly abrasive earth formation tool comprising: comprising the following steps: the device comprises a rear baffle 1, a rock sample fixing frame 2, a hob 5, a cutter box 6, a cutter disc 7, a base 12, a rock sample baffle 13 and a power device, wherein the hob 5 is rigidly connected with the cutter box 6, the cutter box 6 is mechanically connected with the cutter disc 7, the power device drives the cutter disc 7 to move, and the rear baffle 1, the rock sample fixing frame 2, the rock sample baffle 13 and the power device are arranged on the base;
the cutter head 7 is provided with a T-shaped sliding rail 15 below, the base is provided with a T-shaped steel groove 11, and the cutter head 7 and the base 12 are in wedging connection through the T-shaped sliding rail 15 and the T-shaped steel groove 11, so that the transverse displacement of the cutter head 7 is limited and the rotation is prevented;
the power device comprises a speed reducer 9 and a motor 10, wherein an output shaft of the motor 10 is connected with the speed reducer 9, and the rear part of the motor 10 is connected with a rock sample baffle 13 through a hydraulic rod 14;
in combination with the prior art, the rock sample fixing frame 2 is used for fixing the rock sample 3;
further, the integrated device is placed on the device base 16.
Embodiment one:
with reference to fig. 1 and fig. 2, on the basis of the prior art, an exemplary embodiment of the present invention is presented to show an experimental apparatus for tool wear of a highly abrasive formation, in particular by installing a sensing apparatus at a designated location, said sensing apparatus being used for acquiring experimental parameters of tool wear.
It should be understood that the proposed designated position refers to the sensing position installed therein to be able to acquire the required data, and the experimental parameters refer to the parameters required to be acquired in the experiment;
optionally, the sensing device includes at least one of a torque rotation speed sensor 8, a temperature sensor 19 and a three-way force sensor 20;
the data required herein includes, but is not limited to, torque, temperature, retarder output torque, and three-way force;
illustratively, the torque sensor 8 is mounted on the output shaft of the power plant.
Further, in combination with the foregoing, the power device includes the motor 10 and the speed reducer 9, where the torque sensor 8 is mounted on the output shaft of the speed reducer 9 to obtain the output torque of the speed reducer 9;
referring to fig. 1 to 3, the temperature sensor 19 is illustratively installed inside the tool box 6.
Further, the temperature of the tool box 6 can be measured by the temperature sensor 19 during operation;
referring to fig. 1 to 3, the three-way force sensor 20 is illustratively installed inside the tool case 6.
The stress state of the cutter box 6 during working, namely the thrust and the lateral force of the hob 5 can be obtained through the three-way force sensor 20;
in combination with fig. 1, 2, 3 and 5, optionally, the present invention also illuminates the light source 17, and the sensing device further comprises a wireless light sensor 21;
here, in the prior art, the wear state of the hob 5 is measured by the pressure sensor, and the triggering or failure often happens by mistake, and by using the wireless sensor 21 to expose and illuminate the light source 17 in this example, when the wear reaches the threshold value, the wireless sensor 21 sends a sensing signal to prompt the operator to finish the wear test, so that the failure rate is reduced, and the triggering accuracy is improved.
Illustratively, the hob 5 is provided with a recess in which the wireless light sensor 21 is mounted;
illustratively, the illumination source 5 is mounted inside the tool box 6.
Embodiment two:
the invention provides an experimental device for showing the abrasion of a high-abrasion stratum cutter, which is different from the first embodiment in that the first embodiment mainly uses a sensing element to acquire parameters, and the rock breaking efficiency and the cutter abrasion state under different parameters cannot be changed according to the rock breaking efficiency and the cutter abrasion state under different center distances;
in view of this, in combination with the first embodiment, the present invention adopts the following scheme:
optionally, the cutter head 7 is provided with a ball screw 23, an auxiliary lever 22 is arranged above and below the ball screw 23, the auxiliary lever 22 is arranged in parallel with the ball screw 23, and the auxiliary lever 22 is provided with a fastening bolt 18;
the tool box 6 passes through the ball screw 23 and the auxiliary lever 22, and the tool box 6 moves on the ball screw 23 and is fixed by the fastening bolt 18.
By combining all the embodiments provided by the invention, the rock breaking efficiency and the cutter abrasion state under different states can be obtained.
In connection with the previous embodiment, the invention comprises a high speed camera 4, said high speed camera 4 being mounted at said rock sample baffle 13.
Embodiment III:
with reference to fig. 1, fig. 2, fig. 4, embodiment one and embodiment two, the rock sample holder 2 is modified, and another exemplary embodiment of the present invention is provided to illustrate an experimental apparatus for high abrasive formation tool wear;
specifically, the rock sample fixing frame 2 comprises a vertical pull rod 28, a tension spring 26, a fixing frame pull rod 25 and a bearing plate 27, wherein the vertical pull rod 28 is of a hollow structure, when the rock sample 3 is placed in the rock sample fixing frame 2, the vertical pull rod 28 drives the tension spring 26 to move, and the tension spring 26 drives the fixing frame pull rod 25 to move so as to clamp the rock sample 3.
Further, the vertical pull rod 28 and the fixing frame pull rod 25 are both provided with a tension spring 26, wherein the tension spring 26 of the vertical pull rod 28 is connected with the tension spring 26 of the fixing frame pull rod 25, and the tension springs 26 arranged on the vertical pull rod 28 and the fixing frame pull rod 25 can have the same elastic coefficient or different elastic coefficients.
It should be understood that the tension springs 26 include tension springs provided to the holder pull rod 25 and tension springs of the vertical pull rod 28.
Embodiment four: the invention provides a use method of an experimental device for abrasion of a high-abrasion stratum cutter, which is based on the first embodiment, the second embodiment and the third embodiment, and comprises the following specific steps:
step 1: placing a rock sample 3 on the rock sample fixing frame 2 and clamping and fixing the rock sample, wherein the power device drives the cutter head 7 to move so that the hob 5 carries out cutting operation on the rock sample 3;
step 2: acquiring relevant experimental parameters of abrasion in the cutting operation process by using a sensing device arranged at a designated position;
step 3: the cutter box 6 moves on the ball screw 23, and the efficiency of rock breaking 3 and the abrasion state of the hob 5 in different states are obtained through the high-speed camera 4;
step 4: the wireless photosensitive sensor 21 mounted on the hob 5 is used for detecting the abrasion threshold value, and when the abrasion reaches the threshold value, the wireless photosensitive sensor 21 sends a sensing signal to prompt an operator to finish the abrasion test.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An experimental set-up for high abrasive formation tool wear, comprising: the device comprises a rear baffle, a rock sample fixing frame, a hob, a cutter box, a cutter disc, a base, a rock sample baffle and a power device, wherein the hob is rigidly connected with the cutter box, the cutter box is mechanically connected with the cutter disc, the power device drives the cutter disc to move, and the rear baffle, the rock sample fixing frame, the rock sample baffle and the power device are arranged on the base;
the tool wear test device is characterized by further comprising a sensing device, wherein the sensing device is arranged at a designated position and is used for acquiring experimental parameters of the tool wear.
2. The device of claim 1, wherein the sensing means comprises at least one of a torque speed sensor, a temperature sensor, a three-way force sensor.
3. The apparatus of claim 2, wherein the sensing means comprises a torque and speed sensor mounted on an output shaft of the power plant.
4. The apparatus of claim 2, wherein the sensing means comprises an infrared temperature sensor mounted inside the tool box.
5. The apparatus of claim 2, wherein the sensing means comprises a three-way force sensor mounted inside the tool case.
6. The device of claim 2, further comprising an illumination source, the sensing device further comprising a wireless light sensor;
the hob is provided with a groove, and the wireless photosensitive sensor is arranged in the groove;
the illumination light source is arranged inside the tool box.
7. The device according to claim 1, wherein the cutterhead is provided with a ball screw, an auxiliary lever is arranged above and below the ball screw, the auxiliary lever is arranged in parallel with the ball screw, and the auxiliary lever is provided with a fastening bolt;
the tool box penetrates through the ball screw and the auxiliary lever, moves on the ball screw and is fixed by the fastening bolt.
8. The apparatus of any one of claims 1 to 7, further comprising a high speed camera mounted at the rock sample baffle.
9. A method of using the high abrasive earth cutter wear test rig of claim 1, wherein: the method comprises the following specific steps:
step 1: placing a rock sample on the rock sample fixing frame and clamping and fixing the rock sample, wherein the power device drives the cutterhead to move so that the hob performs cutting operation on the rock sample;
step 2: acquiring relevant experimental parameters of abrasion in the cutting operation process by using a sensing device arranged at a designated position;
step 3: the cutter box moves on the ball screw, and rock breaking efficiency and the abrasion state of the hob in different states are obtained through the high-speed camera;
step 4: and detecting a wear threshold by using the wireless photosensitive sensor arranged on the hob, and sending a sensing signal to prompt an operator to finish the wear test when the wear reaches the threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211473932.9A CN116067812A (en) | 2022-11-22 | 2022-11-22 | Experimental device for abrasion of high-abrasion stratum cutter and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211473932.9A CN116067812A (en) | 2022-11-22 | 2022-11-22 | Experimental device for abrasion of high-abrasion stratum cutter and application method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116067812A true CN116067812A (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211473932.9A Pending CN116067812A (en) | 2022-11-22 | 2022-11-22 | Experimental device for abrasion of high-abrasion stratum cutter and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116067812A (en) |
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2022
- 2022-11-22 CN CN202211473932.9A patent/CN116067812A/en active Pending
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