CN113908953A - Rock particle breaker of multicontact - Google Patents
Rock particle breaker of multicontact Download PDFInfo
- Publication number
- CN113908953A CN113908953A CN202111194866.7A CN202111194866A CN113908953A CN 113908953 A CN113908953 A CN 113908953A CN 202111194866 A CN202111194866 A CN 202111194866A CN 113908953 A CN113908953 A CN 113908953A
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- trapezoidal
- loading module
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the field of rock engineering particle materials, and particularly relates to a multi-contact rock particle crushing device. The device comprises a particle placing platform and a loading module; the particle placement platform is provided with a trapezoidal groove for placing rock particles, the cross section of the trapezoidal groove is in an inverted isosceles trapezoid shape, the included angle between the waist and the vertical direction is alpha, the included angle between the waist and the horizontal direction is beta, the upper bottom width d1 of the trapezoid is between 3 and 5mm, the lower bottom width d2 is less than 200mm, and the diameter d of the rock particles to be processed is between 10 and 200mm, so that the rock particles fall into the trapezoidal groove of the particle placement platform; the lower part of the loading module is provided with a trapezoidal loading head matched with the trapezoidal groove, and the trapezoidal loading head can crush rock particles by moving up and down the loading module. The multi-contact rock particle crushing device is closer to the real contact state of the particles, and is helpful for deeper understanding and understanding of the crushing strength and the crushing mode of the particles.
Description
Technical Field
The invention belongs to the field of rock engineering particle materials, and particularly relates to a multi-contact rock particle crushing device.
Background
The granular rock-soil material has been widely used in hydraulic and hydroelectric engineering, railway engineering and dam engineering, and these projects often bear large external loads, so the granular rock-soil material is often broken. After the particulate material is crushed, the deformation degree of the particulate material is increased, and if the deformation degree is large, the safety and stability of the engineering are affected. In order to measure the crushing performance of the particulate material, it is often necessary to perform a particle crushing test indoors, and thus it is necessary to develop a particle crushing apparatus that can consider various contact states so as to have a deeper understanding and understanding of both the crushing strength and the crushing mode of the particles.
In the existing particle crushing test method, the test device adopts an upper loading plate and a lower loading plate to compress and crush particles, the loading mode of only an upper contact point and a lower contact point is not in accordance with the real contact state of the particles in the actual engineering, so that the crushing strength and the crushing mode obtained by measurement have errors, and the existing device cannot automatically collect fragments obtained after the particles are crushed.
Disclosure of Invention
The invention aims to provide a multi-contact rock particle crushing device, which realizes multi-contact point loading crushing of rock particles through the design of a trapezoidal groove of a loading platform, and further analyzes the crushing strength of the particles and the size distribution after crushing.
The technical solution for realizing the purpose of the invention is as follows: a multi-contact rock particle crushing device comprises a particle placing platform and a loading module;
the particle placing platform is provided with a trapezoidal groove for placing rock particles, the cross section of the trapezoidal groove is in an inverted isosceles trapezoid shape, the included angle between the waist and the vertical direction is alpha, the included angle between the waist and the horizontal direction is beta, the upper bottom width d1 of the trapezoid is between 3 and 5mm, the lower bottom width d2 is less than 200mm, the diameter d of the rock particles to be processed is between 10 and 200mm, and the rock particles fall into the trapezoidal groove of the particle placing platform;
the lower part of the loading module is provided with a trapezoidal loading head matched with the trapezoidal groove, and the trapezoidal loading head can crush rock particles by moving up and down the loading module.
Furthermore, automatic cleaning brushes are arranged on two sides of the upper surface of the trapezoidal groove of the particle placing platform, a track used for the automatic cleaning brushes to move is arranged on the upper surface of the trapezoidal groove, and when rock particles are broken, the automatic cleaning brushes move along the track to realize fragment residues of the trapezoidal groove.
Further, self-cleaning brush includes the organic glass board and sets up the soft hair structure that is used for cleaning at the organic glass board lower surface.
Further, the device also comprises a bottom fixing platform, a top fixing platform and a connecting arm;
the whole C type that is of antithetical couplet arm, bottom fixed platform and top fixed platform pass through the antithetical couplet arm and connect, granule place the platform can be dismantled and fix on bottom fixed platform, the loading module detachable that can move from top to bottom sets up on top fixed platform.
Furthermore, the included angle alpha between the waist and the vertical direction is between 30 and 60 degrees, and the included angle beta between the waist and the horizontal direction is between 30 and 60 degrees.
Furthermore, the lower surface of the top fixing platform is provided with a trapezoidal boss, the lower part of the trapezoidal boss is connected with a trapezoidal loading head through a connecting piece, and the connecting piece is provided with a pressure sensor for monitoring the pressure in the rock particle loading process.
Furthermore, long rectangular groove guide rails are arranged on two sides of the loading module close to the edges, a first anchoring bolt hole is reserved in the top of each groove, and a long rectangular guide bar is fixed in the long rectangular groove guide rails of the loading module through anchoring bolts; the particle placing platform is provided with a long rectangular groove guide rail matched with the long rectangular guide strip.
Furthermore, a 7-shaped groove is formed in the loading module close to the trapezoid boss, and the 7-shaped groove penetrates through the thickness direction of the whole loading module; the 7-shaped baffle is placed in the 7-shaped groove; when the loading module is loaded, the 7-shaped baffle can move upwards in the 7-shaped groove.
Furthermore, the device also comprises a rotating threaded rod, a thrust bearing and a rotating motor;
the upper part of the loading module is provided with a blind hole in threaded connection with the rotating threaded rod, and the top fixed platform is provided with a threaded through hole matched with the rotating threaded rod; the cross section of the rotary threaded rod is T-shaped, the rotary motor is fixed on the upper portion of the top fixing platform and used for driving the rotary threaded rod to rotate, the thrust bearing is arranged between the rotary threaded rod and the rotary motor, and the T-shaped head of the rotary threaded rod is placed on the thrust bearing.
Furthermore, a rectangular aggregate bin is arranged on the side face of the bottom fixing platform and used for collecting broken fragments of rock particles.
Compared with the prior art, the invention has the remarkable advantages that:
1. the particle placement platform has a trapezoidal groove structure, and the design of the trapezoidal groove can ensure that the number of bottom contact points of rock particles is more than two, and can also prevent fragments from splashing everywhere after the rock particles are crushed; according to the multi-contact rock particle crushing device, the rotating threaded rod is driven by the rotating motor to realize vertical movement of the loading module, so that loading compression on rock particles is realized, the multi-contact rock particle crushing device is closer to the real contact state of the particles, and deeper understanding and understanding on the crushing strength and the crushing mode of the particles are facilitated;
2. the particle placement platform is provided with the automatic cleaning brush, so that the collection of fragments generated by particle crushing after loading is facilitated, and the fragments are used for shape analysis and size analysis of subsequent particle fragments;
3. the particle placement platform and the loading module are detachable, so that the particle placement platform and the loading module with different groove and boss types can be replaced for different rock particles;
4. according to the invention, the trapezoidal loading head of the loading module is used for carrying out compression loading on the rock particles, and the pressure sensor is arranged at the joint of the trapezoidal loading head and the loading module, so that the pressure in the rock particle loading process can be monitored in real time;
5. the invention realizes the operation limitation of the loading module through the long rectangular groove guide rail and the long rectangular guide strip, and the fragments of the rock particles on the wall surface of the 7-shaped baffle plate can be splashed at will;
drawings
FIG. 1 is an overall layout of the multi-point rock particle breaking apparatus of the present invention;
FIG. 2 is a schematic view of a particle placement platform of the present invention;
FIG. 3 is a schematic diagram of a loading module according to the present invention;
FIG. 4 is a schematic view of the top mounting platform of the present invention.
Description of reference numerals:
1-particle placement platform, 2-loading module, 3-bottom fixing platform, 4-top fixing platform, 5-linkage arm, 6-rock particles, 7-trapezoidal loading head, 8-automatic cleaning brush, 9-long rectangular groove guide rail, 10-first anchor bolt hole, 11-long rectangular groove guide rail, 12-second anchor bolt hole, 13-long rectangular guide strip, 14- '7' -shaped groove, 15- '7' -shaped baffle, 16-threaded hole, 17-rotating threaded rod, 18-thrust bearing, 19-rotating motor, 20-anchor bolt and 21-third anchor bolt hole.
Detailed Description
The invention is further illustrated by the following examples and figures.
As shown in fig. 1-4, a multi-contact rock particle crushing device comprises a particle placement platform 1 and a loading module 2, wherein the lower part of the particle placement platform 1 is connected with a bottom fixed platform 3, the upper part of the loading module 2 is connected with a top fixed platform 4, and the bottom fixed platform 3 is connected with the top fixed platform 4 through a connecting arm 5;
the particle placement platform 1 is provided with a trapezoidal groove structure for placing the rock particles 6, and the diameter d range of the rock particles 6 is determined according to the actual detection application, for example, the maximum particle diameter d is 10-200mmmax200mm, according to the maximum particle size d of the rock particles 6 to be detectedmaxDetermining the thickness D of the rock particle crushing device in the Z direction, the ratio D/D of the twomaxShould be between 2 and 4, e.g. D600 mm;
the trapezoidal groove of the particle placing platform 1 is an inverted isosceles trapezoid, namely, the shorter upper bottom is positioned at the lower part, the longer lower bottom is positioned at the upper part, the included angle between the waist and the vertical direction is alpha, the included angle between the waist and the horizontal direction is beta, and the width of the upper bottom is wideIs d1The width of the lower sole is d2. Preferably, the included angle between the waist and the vertical direction is between 30 and 60 degrees, the included angle between the waist and the horizontal direction is 90 degrees, and the upper bottom width is d1Should be between 3-5mm, and the width of the bottom is d2Less than 200mm, e.g. angle α -45 °, angle β -45 °, d1＝5mm，d2＝200mm；
The particle placement platform 1 is provided with long rectangular groove guide rails 9 at the left and right boundaries, which are used as limiting devices of the loading module 2 and are used for enabling the loading module 2 to move only along the vertical direction and enabling the loading module 2 not to displace in the circumferential direction;
the center of the trapezoidal groove of the particle placement platform 1 is provided with the rock particles 6, the diameter d of the rock particles 6 is 10-200mm, the particle size d larger than 10mm can ensure that more than two contact points of the rock particles and the particle placement platform 1 are formed, and the particle size d smaller than 200mm can ensure that the rock particles fall into the trapezoidal groove of the particle placement platform 1;
the loading module 2 is provided with a trapezoidal loading head 7 for compressing and loading the rock particles 6, and a pressure sensor is arranged at the joint of the trapezoidal loading head 7 and the loading module 2, so that the pressure in the rock particle loading process can be monitored in real time; according to the actually detected rock particle hardness value, the maximum value and the accuracy of the pressure sensor can be determined, wherein if the maximum value is 100kN, the accuracy is 0.05 kN;
the particle placement platform 1 is connected with the bottom fixing platform 3 through anchor bolts, two anchor bolt holes are reserved on the + Z surface and the-Z surface of the bottom of the particle placement platform 1 and the top of the bottom fixing platform 3 respectively, and the particle placement platform 1 is fixed on the bottom fixing platform 3 through the connection of anchor gaskets by the anchor bolts;
long rectangular groove guide rails 11 are arranged on the left edge and the right edge of the loading module 2, a second anchoring bolt hole 12 is reserved in the top of the groove, and the thickness of the groove is far smaller than that of the loading module, and is set to be 10mm for example; a long rectangular guide strip 13 is fixed in the long rectangular groove guide rail 11 of the loading module 2 through an anchor bolt, the long rectangular guide strip 13 can move smoothly in the long rectangular groove guide rail 9 of the particle placing platform 1, and lubricating oil can be added in the operation process to reduce friction;
a 7-shaped groove 14 is formed in the loading module 2 close to the trapezoid boss, and the 7-shaped groove 14 penetrates through the thickness direction of the whole loading module; the 7-shaped baffle 15 can be placed in the 7-shaped groove 8 of the loading module 2, the 7-shaped baffle 9 is not fixedly connected with the loading module 2, but the 7-shaped baffle 15 is limited to move along the thickness direction from the side surface; in order to facilitate the observation of the loading process, the 7-shaped baffle 15 is made of organic glass material;
a threaded hole 16 is reserved in the center of the loading module 2 and is connected with the top fixing platform 4 through a rotating threaded rod 17, the loading module 2 can be pushed to move downwards or upwards when the rotating threaded rod 17 rotates, the loading mode of the rotating threaded rod 17 is adopted, the loading speed is favorably slowed down, and the monitoring precision of stress and displacement in the loading process is improved;
the cross section of a rotary threaded rod 17 of the top fixed platform 4 is T-shaped, the top end of the rotary threaded rod is positioned at the upper part of a thrust bearing 18, a rotary motor 19 drives the rotary threaded rod 17 to rotate, and the rotary threaded rod 17 transmits the weight of the loading module 2 to the top fixed platform 4 through the thrust bearing 18;
the rotating motor 19 is fixed on the upper surface of the top fixing platform (4) through an anchor bolt 20, and a third anchor bolt hole 21 is reserved on the left side of the top fixing platform 4, so that the top fixing platform 12 can be fixed on the connecting arm 5;
the connecting arm 5 is in a half I shape, the upper part of the connecting arm is fixed on the top fixing platform 4 through an anchoring bolt, and the lower part of the connecting arm is fixed on the bottom fixing platform 3 through an anchoring bolt;
a rectangular aggregate bin is arranged on the side surface of the bottom fixing platform 3 and used for collecting broken fragments of the rock particles 6, and the height of the rectangular aggregate bin is as high as that of the bottom fixing platform 3 and is made of plastics;
the invention can promote the deeper understanding and understanding of the crushing strength and the crushing mode of the particles, provide service for predicting the deformation characteristic and the strength characteristic of rock engineering, and further improve the safety and the stability of the rock engineering.
Claims (10)
1. A multi-contact rock particle crushing device is characterized by comprising a particle placing platform (1) and a loading module (2);
the particle placement platform (1) is provided with a trapezoidal groove for placing rock particles, the cross section of the trapezoidal groove is in an inverted isosceles trapezoid shape, the included angle between the waist and the vertical direction is ≤ α and the included angle between the waist and the vertical direction is ≤ β, the upper bottom width d1 of the trapezoid is between 3 mm and 5mm, the lower bottom width d2 is less than 200mm, and the diameter d of the rock particles to be processed is between 10mm and 200mm, so that the rock particles fall into the trapezoidal groove of the particle placement platform (1);
the lower part of the loading module (2) is provided with a trapezoidal loading head (7) matched with the trapezoidal groove, and the trapezoidal loading head (7) can crush rock particles by moving up and down the loading module (2).
2. The device according to claim 1, characterized in that automatic cleaning brushes (8) are arranged on two sides of the upper surface of the trapezoidal groove of the particle placing platform (1), a track for the automatic cleaning brushes (8) to move is arranged on the upper surface of the trapezoidal groove, and after rock particles are broken, the automatic cleaning brushes (8) move along the track to realize fragment residues on the trapezoidal groove.
3. The device according to claim 2, characterized in that the self-cleaning brush (8) comprises a plexiglas plate and a fur structure for sweeping provided on the lower surface of the plexiglas plate.
4. The device according to claim 2, characterized in that it further comprises a bottom fixed platform (3), a top fixed platform (4) and a yoke (5);
the whole C type that is of antithetical couplet arm (5), bottom fixed platform (3) and top fixed platform (4) are connected through antithetical couplet arm (5), granule place the platform (1) can be dismantled and fix on bottom fixed platform (3), the detachable setting that loading module (2) movable from top to bottom is on top fixed platform (4).
5. The device of claim 1, wherein the angle between the waist and the vertical is between 30 ° and 60 °, and the angle between the waist and the horizontal is between 30 ° and 60 °.
6. The device according to claim 4, characterized in that the lower surface of the top fixed platform (4) is provided with a trapezoidal boss, the lower part of the trapezoidal boss is connected with a trapezoidal loading head (7) through a connecting piece, and the connecting piece is provided with a pressure sensor for monitoring the pressure in the rock particle loading process.
7. The device according to claim 6, characterized in that long rectangular groove guide rails (11) are arranged on two sides of the loading module (2) close to the edges, a first anchoring bolt hole (12) is reserved at the top of the groove, and a long rectangular guide bar (13) is fixed in the long rectangular groove guide rails (11) of the loading module (2) through an anchoring bolt; the particle placing platform (1) is provided with a long rectangular groove guide rail matched with the long rectangular guide strip (13).
8. The device according to claim 7, characterized in that the loading module (2) is provided with a 7-shaped groove (14) near the trapezoid boss, and the 7-shaped groove (14) penetrates through the thickness direction of the whole loading module; the 7-shaped baffle (9) is placed in the 7-shaped groove (14); when the loading module is loaded, the 7-shaped baffle (15) can move upwards in the 7-shaped groove (14).
9. The device according to claim 8, characterized in that it further comprises a rotary threaded rod (17), a thrust bearing (18) and a rotary motor (19);
the upper part of the loading module is provided with a blind hole in threaded connection with the rotary threaded rod, and the top fixing platform (4) is provided with a threaded through hole matched with the rotary threaded rod (17); the cross section of the rotary threaded rod (17) is T-shaped, the rotary motor (19) is fixed on the upper portion of the top fixing platform (4) and used for driving the rotary threaded rod (17) to rotate, the thrust bearing (18) is arranged between the rotary threaded rod (17) and the rotary motor (19), and the T-shaped head of the rotary threaded rod (17) is placed on the thrust bearing (18).
10. The device according to claim 9, characterized in that the sides of the bottom fixed platform (4) are provided with rectangular collecting hoppers for collecting broken pieces of rock particles (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111194866.7A CN113908953B (en) | 2021-10-14 | 2021-10-14 | Rock particle breaker of multicontact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111194866.7A CN113908953B (en) | 2021-10-14 | 2021-10-14 | Rock particle breaker of multicontact |
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| Publication Number | Publication Date |
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| CN113908953A true CN113908953A (en) | 2022-01-11 |
| CN113908953B CN113908953B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111194866.7A Active CN113908953B (en) | 2021-10-14 | 2021-10-14 | Rock particle breaker of multicontact |
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| CN213557244U (en) * | 2020-09-23 | 2021-06-29 | 江苏雁蓝检测科技有限公司 | Multifunctional special soil preparation device |
| CN213913946U (en) * | 2020-12-10 | 2021-08-10 | 昆明理工大学 | Pure mineral ore crusher in laboratory |
| CN113340687A (en) * | 2021-05-15 | 2021-09-03 | 广东省农业科学院农业经济与信息研究所 | Rapid detection system for agricultural product circulation |
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2021
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|---|---|---|---|---|
| CN204799318U (en) * | 2015-04-18 | 2015-11-25 | 东北石油大学 | Geology mineral products isolated plant |
| CN105032531A (en) * | 2015-08-14 | 2015-11-11 | 重庆市鑫圣陶瓷有限公司 | Extrusion type ceramic crusher |
| CN105728092A (en) * | 2016-04-06 | 2016-07-06 | 叶侃 | Crushing toppling device for ceramics |
| CN207324928U (en) * | 2017-10-10 | 2018-05-08 | 李越哲 | A kind of catalase device |
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