CN218590640U - Dry soil crushing and screening mechanism for geotechnical test - Google Patents

Abstract

The utility model relates to the technical field of hydraulic engineering equipment, in particular to a dry soil crushing and screening mechanism for geotechnical tests, which avoids the contact between a sieve plate and crushing teeth on a crushing roller to scratch and damage the sieve plate, ensures the screening effect of a subsequent sieve plate, and improves the use stability and the service life of the device; including the storehouse body, two sets of stock guides and sieve, the internal portion in storehouse is provided with the cavity, the top of the storehouse body is provided with the inlet pipe, and the bottom of the storehouse body is provided with the discharging pipe, two sets of stock guides are the symmetrical position respectively and link the side about the cavity of the storehouse body, the sieve is fixed between two sets of stock guides, the sieve is used for screening the soil, a serial communication port, still include first motor, two sets of axis of rotation, two sets of gears, two sets of crushing roller and vibrations mechanism, first motor is fixed in storehouse body right-hand member upper portion front side, and the output of first motor is connected with the right-hand member of front side axis of rotation, two sets of axis of rotation are connected with the front and back both sides rotation on storehouse body upper portion respectively.

Description

Dry soil crushing and screening mechanism for geotechnical test

Technical Field

The utility model relates to a technical field of hydraulic engineering equipment especially relates to a dry soil pulverizes and screening mechanism for geotechnical test.

Background

In the geotechnical test of hydraulic engineering, before boundary water content test, sandy soil relative density test, compaction test, bearing ratio (CBR) test and the like are developed, air-dried soil body meeting a certain particle size needs to be prepared in advance for standby, at the moment, a dry soil crushing and screening mechanism for geotechnical test is needed, and in a patent document with the retrieval application number of CN202122370897.5, a dry soil crushing and screening device for geotechnical test is provided, which comprises a bin body, a feed inlet is arranged on the top wall of the bin body, a discharge outlet is arranged on the bottom wall of the bin body, a first guide plate is arranged on the inner wall of the bin body, a first screening plate is obliquely arranged, a screening net is arranged at the joint of the bottom end of the first guide plate, a high-efficiency crushing device is arranged below the top wall of the bin body, a vibrating screen device is arranged in the bin body, the vibrating screen device is arranged below the screening net, and when in use, a soil sample is conveyed to the screening net in the bin body from the feed inlet, starting a lifting cylinder, controlling a support plate to descend by the lifting cylinder, driving a driving disc to rotate by a first motor, driving a slip sleeve ring to slide on the limit rod in a reciprocating manner by the driving disc to rotate, driving a slip sleeve ring to slide on the limit rod in a reciprocating manner by a connecting rod by the driving disc to rotate, driving grinding teeth under the ground fragment by the slip sleeve ring to move in a reciprocating manner on a screening net so as to grind a soil sample, driving a balancing weight to rotate by a second motor, continuously touching the screening net by the balancing weight in the rotating process so as to vibrate the screening net, shaking off the ground soil sample on the screening net so as to rapidly screen the ground soil sample, and conveying the ground and screened soil sample out of a discharge port, wherein the ground and screened soil sample is found to be easily contacted with the grinding teeth under the grinding block when the screening net vibrates in the using process so as to cause the screening net to be damaged by the grinding teeth moving in a reciprocating manner, influence the screening of follow-up soil sample, lead to the stability in use and the life of device relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an it causes the fish tail to scrape bad to have avoided the sieve to contact with the crushing tooth on the crushing roller, ensures the screening effect of follow-up sieve, improves its stability in use and life's geotechnical test and is used for soil to pulverize and screening mechanism.

The utility model discloses a soil crushing and screening mechanism for geotechnical test, including the storehouse body, two sets of stock guides and sieve, storehouse internal portion is provided with the cavity, the top of storehouse body is provided with the inlet pipe, and the bottom of storehouse body is provided with the discharging pipe, two sets of stock guides are symmetrically located the left and right sides of storehouse body cavity respectively and link the side, the sieve is fixed between two sets of stock guides, the sieve is used for sieving the soil, the utility model is characterized in that, still include first motor, two sets of axis of rotation, two sets of gear, two sets of crushing roller and vibrations mechanism, first motor is fixed in storehouse body right-hand member upper portion front side, and the output of first motor is connected with the right-hand member of front side axis of rotation, two sets of axis of rotation are connected with the front and back both sides rotation on storehouse body upper portion respectively, two sets of gear are fixed respectively in the left end of two sets of axis of rotation, intermeshing transmission is connected between two sets of gear, and two sets of crushing roller are fixed suit on the axis of rotation respectively, be provided with the crushing roller, the crushing roller is located the top of sieve, vibrations mechanism is used for crushing plate and sieve left and right-and left and right-right side vibrations; throw into the internal storehouse with the dry soil through the inlet pipe, and drive the axis of rotation through first motor and rotate, the axis of rotation drives gear revolve, intermeshing between two sets of gears, thereby make two sets of axis of rotation rotate simultaneously, and make the axis of rotation drive the roller of smashing rotate, use through the cooperation of two sets of rollers of smashing and pulverize the dry soil, vibrate about simultaneously driving stock guide and sieve through reciprocating mechanism, and sieve through the sieve dry soil after pulverizing sieve screening, and with the dry soil of screening out from the discharging pipe discharge can, it causes the fish tail to scrape badly to have avoided the contact of the crushing tooth on sieve and the crushing roller, ensure the screening effect of follow-up sieve, the stability in use and the life of device have been improved.

Preferably, the vibration mechanism comprises a second motor, a cam, two groups of baffles, two groups of contraction rods and two groups of springs, the second motor is fixed on the left side of the bottom end of the bin body, the output end of the second motor is connected with the cam, the cam is in rolling contact with the baffles on the left side, the two groups of baffles are symmetrically fixed at the bottom ends of the two groups of guide plates respectively, the two groups of baffles are respectively in sliding connection with the inner side walls on the left side and the right side of the bin body, the two groups of contraction rods are respectively symmetrically fixed at the outer side ends of the upper parts of the two groups of guide plates, the springs are fixedly sleeved on the contraction rods, and the other ends of the two groups of contraction rods are respectively connected with the left end and the right end of the bin body cavity; drive the cam through the second motor and rotate for the cam rolls the extrusion to left baffle, uses under the cooperation of shrink pole and spring through two sets of baffles this moment, drives stock guide and sieve and controls vibrations, and the sieve of being convenient for sieves the dry soil after smashing, provides power for the vibrations of sieve.

Preferably, the bin body comprises a sealing plate, a plurality of groups of fastening bolts and two groups of handles, wherein an opening is formed in the front end of the bin body, the sealing plate covers the opening of the bin body, the sealing plate and the bin body are in screwed connection through the fastening bolts, and the two groups of handles are symmetrically fixed on the left side and the right side of the front end of the sealing plate respectively; through setting up shrouding, fastening bolt and handle, be convenient for clear up out the unqualified dry soil that the storehouse body inside sieved out through the sieve, improve the use convenience of device.

Preferably, the bin body further comprises two groups of push inclined plates which are symmetrically fixed at the bottoms of the inner side ends of the two groups of baffle plates respectively, and the two groups of push inclined plates are in contact with the bottom end of the bin body cavity; through setting up the propelling movement swash plate, be convenient for with the dry soil propelling movement after the screening to discharging pipe department, ensure that dry soil can follow the discharging pipe and discharge in a large number, improve the result of use of device.

Preferably, the device also comprises an observation window which is fixed in the middle of the front end of the sealing plate; through setting up the observation window, be convenient for observe the crushing and the screening condition of storehouse internal portion dry soil, further improve the use convenience of device.

Preferably, the spring is made of spring steel; through setting up the spring steel material, improve device's structural strength, improve device's life.

Preferably, the first motor is a noise reduction motor; through setting up the amortization motor, noise pollution is reduced, further improves the result of use of device.

Compared with the prior art, the beneficial effects of the utility model are that: throw into the internal storehouse with the dry soil through the inlet pipe, and drive the axis of rotation through first motor and rotate, the axis of rotation drives gear revolve, intermeshing between two sets of gears, thereby make two sets of axis of rotation rotate simultaneously, and make the axis of rotation drive the roller of smashing rotate, use through the cooperation of two sets of rollers of smashing and pulverize the dry soil, vibrate about simultaneously driving stock guide and sieve through reciprocating mechanism, and sieve through the sieve dry soil after pulverizing sieve screening, and with the dry soil of screening out from the discharging pipe discharge can, it causes the fish tail to scrape badly to have avoided the contact of the crushing tooth on sieve and the crushing roller, ensure the screening effect of follow-up sieve, the stability in use and the life of device have been improved.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic view of a partial top view structure of the present invention;

FIG. 3 is a schematic view of the local axial structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the present invention at A in FIG. 1;

in the drawings, the reference numbers: 1. a bin body; 2. a material guide plate; 3. a sieve plate; 4. a first motor; 5. a rotating shaft; 6. a gear; 7. a crushing roller; 8. a second motor; 9. a cam; 10. a baffle plate; 11. a retracting lever; 12. a spring; 13. closing plates; 14. fastening a bolt; 15. a handle; 16. pushing the inclined plate; 17. and (6) an observation window.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in figures 1 to 4, a cavity is arranged in a bin body 1, a feeding pipe is arranged at the top end of the bin body 1, a discharging pipe is arranged at the bottom end of the bin body 1, two groups of material guide plates 2 are respectively and symmetrically positioned at the left side and the right side of the cavity of the bin body 1, a sieve plate 3 is fixed between the two groups of material guide plates 2, the sieve plate 3 is used for sieving dry soil, the dry soil sieving machine is characterized in that a first motor 4 is fixed at the front side of the upper part of the right end of the bin body 1, the output end of the first motor 4 is connected with the right end of a rotating shaft 5 at the front side, the two groups of rotating shafts 5 are respectively and rotatably connected with the front side and the rear side of the upper part of the bin body 1, two groups of gears 6 are respectively fixed at the left ends of the two groups of rotating shafts 5, two groups of crushing rollers 7 are respectively and fixedly sleeved on the rotating shafts 5, crushing teeth are arranged on the crushing rollers 7, the crushing rollers 7 are positioned above the sieve plate 3, the second motor 8 is fixed on the left side of the bottom end of the bin body 1, the output end of the second motor 8 is connected with the cam 9, the cam 9 is in rolling contact with the left baffle 10, two groups of baffles 10 are respectively and symmetrically fixed on the bottom ends of the two groups of guide plates 2, and the two groups of baffles 10 are respectively and slidably connected with the inner side walls on the left side and the right side of the bin body 1, two groups of push inclined plates 16 are respectively and symmetrically fixed on the bottom of the inner side ends of the two groups of baffles 10, and the two groups of push inclined plates 16 are both in contact with the bottom end of the cavity of the bin body 1, two groups of contraction rods 11 are respectively and symmetrically fixed on the outer side ends of the upper parts of the two groups of guide plates 2, springs 12 are fixedly sleeved on the contraction rods 11, the other ends of the two groups of contraction rods 11 are respectively connected with the left end and the right end of the cavity of the bin body 1, an opening is arranged at the front end of the bin body 1, a closing plate 13 covers the opening of the bin body 1, and the closing plate 13 is in screw-threaded connection with the bin body 1 through a fastening bolt 14, two groups of handles 15 are symmetrically fixed on the left side and the right side of the front end of the sealing plate 13 respectively, and the observation window 17 is fixed in the middle of the front end of the sealing plate 13; dry soil is put into a bin body 1 through a feeding pipe, a first motor 4 drives a rotating shaft 5 to rotate, the rotating shaft 5 drives gears 6 to rotate, two groups of gears 6 are meshed with each other, so that two groups of rotating shafts 5 rotate simultaneously, the rotating shaft 5 drives crushing rollers 7 to rotate, the dry soil is crushed by matching two groups of crushing rollers 7, then a second motor 8 drives a cam 9 to rotate, the cam 9 rolls and extrudes a baffle 10 on the left side, at the moment, the guide plate 2 and the sieve plate 3 are driven to vibrate left and right by matching two groups of baffles 10 under the matching use of a shrinkage rod 11 and a spring 12, the crushed dry soil is screened through the sieve plate 3, and the screened dry soil is discharged from a discharging pipe, avoided grinding tooth contact on sieve 3 and the crushing roller 7 to cause the fish tail to scrape badly, ensure follow-up sieve 3's screening effect, the stability in use and the life of device have been improved, then through setting up shrouding 13, fastening bolt 14 and handle 15, be convenient for clear up out the unqualified dry soil that the storehouse body 1 inside was sieved out through sieve 3, and through setting up observation window 17, be convenient for observe grinding and the screening condition of the inside dry soil in the storehouse body 1, the use convenience of improving the device, simultaneously through setting up propelling movement swash plate 16, be convenient for baffle 10 drives the removal about propelling movement swash plate 16, make the dry soil propelling movement to discharging pipe department after propelling movement swash plate 16 will sieve, ensure that the dry soil can follow the discharging pipe and discharge in a large number, the result of use of improving means.

The utility model discloses a dry soil crushing and screening mechanism for geotechnical test, the installation mode, the connection mode or the setting mode are common mechanical modes, and the mechanism can be implemented as long as the beneficial effects can be achieved; the utility model discloses a geotechnical test pulverizes and sieves first motor 4 and second motor 8 of mechanism with dry soil is purchase on the market, and its mounting means, connected mode or setting mode are common mode to the concrete structure of its all parts, model and coefficient index are its technique of taking certainly, as long as can reach all can implement of its beneficial effect, this industry technical staff only need according to its subsidiary specification install and operate can, and need not the technical staff in this field and pay out the creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A dry soil crushing and screening mechanism for a geotechnical test comprises a bin body (1), two groups of material guide plates (2) and a sieve plate (3), wherein a cavity is arranged in the bin body (1), a feeding pipe is arranged at the top end of the bin body (1), and the bottom end of the bin body (1) is provided with a discharge pipe, the two groups of material guide plates (2) are respectively and symmetrically arranged at the left side and the right side of the chamber of the bin body (1), the sieve plate (3) is fixed between the two groups of material guide plates (2), the sieve plate (3) is used for sieving dry soil, it is characterized by also comprising a first motor (4), two groups of rotating shafts (5), two groups of gears (6), two groups of crushing rollers (7) and a vibration mechanism, wherein the first motor (4) is fixed at the front side of the upper part of the right end of the bin body (1), the output end of the first motor (4) is connected with the right end of the front side rotating shaft (5), two groups of rotating shafts (5) are respectively connected with the front side and the rear side of the upper part of the bin body (1) in a rotating way, two groups of gears (6) are respectively fixed at the left ends of the two groups of rotating shafts (5), the two groups of gears (6) are mutually meshed and connected in a transmission way, and two groups of crushing rollers (7) are fixedly sleeved on the rotating shaft (5) respectively, the crushing rollers (7) are provided with crushing teeth, the crushing rollers (7) are positioned above the sieve plate (3), and the vibration mechanism is used for vibrating the guide plate (2) and the sieve plate (3) left and right.

2. The dry soil crushing and screening mechanism for the geotechnical test as claimed in claim 1, wherein the vibration mechanism comprises a second motor (8), a cam (9), two sets of baffles (10), two sets of retractable rods (11) and two sets of springs (12), the second motor (8) is fixed on the left side of the bottom end of the bin body (1), the output end of the second motor (8) is connected with the cam (9), the cam (9) is in rolling contact with the left baffle (10), the two sets of baffles (10) are symmetrically fixed on the bottom ends of the two sets of guide plates (2), the two sets of baffles (10) are slidably connected with the inner side walls of the left and right sides of the bin body (1), the two sets of retractable rods (11) are symmetrically fixed on the outer side ends of the upper portions of the two sets of guide plates (2), the springs (12) are fixedly sleeved on the retractable rods (11), and the other ends of the two sets of retractable rods (11) are connected with the left and right ends of the cavity of the bin body (1).

3. The dry soil crushing and screening mechanism for the geotechnical test as claimed in claim 1, further comprising a sealing plate (13), a plurality of sets of fastening bolts (14) and two sets of handles (15), wherein the front end of the bin body (1) is provided with an opening, the sealing plate (13) covers the opening of the bin body (1), the sealing plate (13) and the bin body (1) are connected by the fastening bolts (14) in a screw manner, and the two sets of handles (15) are symmetrically fixed on the left and right sides of the front end of the sealing plate (13) respectively.

4. The dry soil crushing and screening mechanism for the geotechnical test as claimed in claim 2, further comprising two sets of push inclined plates (16), wherein the two sets of push inclined plates (16) are symmetrically fixed at the bottom of the inner side ends of the two sets of baffles (10), and the two sets of push inclined plates (16) are both in contact with the bottom end of the chamber of the bin body (1).

5. The dry soil crushing and screening mechanism for the geotechnical test as claimed in claim 3, further comprising a viewing window (17), wherein said viewing window (17) is fixed to the central portion of the front end of said closing plate (13).

6. The dry soil crushing and screening mechanism for soil test as claimed in claim 2, wherein the spring (12) is made of spring steel.

7. The dry soil crushing and screening mechanism for soil tests as claimed in claim 1, wherein the first motor (4) is a noise reduction motor.

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