CN215653978U - Dense sand silo cone bottom scraping device for mine filling - Google Patents
Dense sand silo cone bottom scraping device for mine filling Download PDFInfo
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- CN215653978U CN215653978U CN202122029019.7U CN202122029019U CN215653978U CN 215653978 U CN215653978 U CN 215653978U CN 202122029019 U CN202122029019 U CN 202122029019U CN 215653978 U CN215653978 U CN 215653978U
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- annular groove
- sand silo
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Abstract
The utility model relates to a dense sand silo conical bottom scraping device for mine filling, which comprises an annular stirring device and a driving device, wherein the annular stirring device is installed at the conical bottom of a sand silo, the driving device is used for driving the annular stirring device to rotate, the annular stirring device comprises a blade set, a connecting rod and a rotating assembly, the blade set is obliquely arranged along the direction of the inner wall of the conical bottom of the sand silo, the connecting rod is used for fixing the top end of the blade set, the rotating assembly is installed at the bottom of the conical bottom of the sand silo, the connecting rod is horizontally arranged at the top of the conical bottom of the sand silo, an annular groove is formed in the top of the conical bottom of the sand silo along the circumferential direction, and two ends of the connecting rod are respectively connected with the annular groove in a sliding mode. The bottom of the blade group is connected with the rotating assembly. According to the utility model, the annular stirring device is driven by the driving device to stir the slurry on the inner wall of the conical bottom of the sand silo, so that the phenomenon that the slurry is not discharged to cause the inner wall to harden for a long time is avoided, the slurry is enabled to make tangential motion along the conical surface and fall into the bottom to enter the discharge hole, the slurry is smoothly discharged, the concentration is uniform and stable, and the stable sand discharge is realized.
Description
Technical Field
The utility model relates to a dense sand silo conical bottom scraping device for mine filling, and belongs to the technical field of mining equipment.
Background
When the gold mine overflow fine tailings are used as raw materials to carry out a thickening characteristic test in a deep cone thickener, solid-liquid two-phase flow exists in a cone at the bottom of the thickener, the phenomenon of hardening of the inner wall at the bottom of a conical sand silo is easy to occur when the materials are not discharged for a long time, and particularly under the condition of low temperature in winter, the added flocculating agent has adhesion effect to cause difficulty in descending the slurry and uneven concentration of the slurry.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cone bottom scraping device of a dense sand silo for mine filling, which solves the technical problem that slurry is difficult to transfer when overflow fine tailings are dense.
In order to solve the technical problems, the utility model adopts the following technical scheme:
mine is filled with thick sand silo awl end scraper, its characterized in that: the annular stirring device comprises a blade group, a connecting rod and a rotating assembly, wherein the blade group is obliquely arranged along the direction of the inner wall of the conical bottom of the sand silo, the connecting rod is used for fixing the top end of the blade group, the rotating assembly is arranged at the bottom of the conical bottom of the sand silo, the connecting rod is horizontally arranged at the top of the conical bottom of the sand silo, an annular groove is formed in the top of the conical bottom of the sand silo along the circumferential direction, and two ends of the connecting rod are respectively connected with the annular groove in a sliding manner; the bottom of the blade group is connected with the rotating assembly.
As a further improvement of the utility model, the rotating assembly comprises a movable disc sleeve which is vertically arranged, a static disc sleeve which is sleeved at the lower part of the movable disc sleeve, a movable disc which is horizontally arranged at the top of the movable disc sleeve and a static disc which is in contact fit with the bottom surface of the movable disc, the static disc and the static disc sleeve are respectively fixed at the top and the bottom of an annular plate at the conical bottom of the sand bin, the movable disc sleeve is used for being connected with a driving device, and the bottom of the blade group is used for being connected with the movable disc.
As a further improvement of the utility model, the driving device comprises a vertical plate arranged on one side of the conical bottom of the sand silo, a plurality of bearing seats arranged on the vertical plate and a motor for driving the movable disc sleeve to rotate, an output shaft of the motor is connected with a rotating shaft through a coupler, the rotating shaft is provided with bearings which are in one-to-one correspondence with the bearing seats, the movable disc sleeve is provided with a fixing hole along the axis, and the rotating shaft penetrates through the plurality of bearing seats on the vertical plate and is connected with the fixing hole.
As a further improvement of the utility model, a primary seal is arranged between the movable disc sleeve and the static disc sleeve, the primary seal comprises a first annular groove arranged on the movable disc sleeve, a movable ring arranged in the first annular groove, a second annular groove arranged on the static disc sleeve and a static ring arranged in the second annular groove, the first annular groove is positioned above the second annular groove and is arranged opposite to the notch of the second annular groove, a first seal cavity is formed by enclosing the first annular groove and the second annular groove, and the bottom surface of the movable ring is tightly contacted with the top surface of the static ring; the primary seal also comprises a first seal ring sleeved between the movable ring and the inner wall of the first annular groove and a second seal ring sleeved between the static ring and the inner wall of the second annular groove, and the movable ring and the movable sleeve synchronously rotate;
the primary seal further comprises an oil filling hole arranged on the static disc sleeve, the inner end of the oil filling hole is communicated with the first seal cavity, and the outer end of the oil filling hole is connected with an oil filling device.
As a further improvement of the present invention, the inner diameter of the outer ring side wall of the first annular groove gradually increases from top to bottom, and the inner diameter of the outer ring side wall of the second annular groove gradually decreases from top to bottom.
As a further improvement of the utility model, a secondary seal is arranged between the movable disc sleeve and the fixed disc sleeve, the secondary seal comprises a third annular groove arranged at the bottom of the fixed disc sleeve and a pressing plate used for plugging the bottom of the third annular groove, a second seal cavity is formed by the third annular groove, the pressing plate and the movable disc sleeve in an enclosing manner, and a J-shaped seal element is arranged in the second seal cavity.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the annular stirring device is driven by the driving device to stir the slurry on the inner wall of the conical bottom of the sand silo, so that the phenomenon that the slurry is not discharged and the inner wall is hardened for a long time is avoided, the slurry is made to tangentially move along the conical surface and fall into the bottom of the sand silo to enter the discharge hole, the slurry is smoothly discharged, the concentration is uniform and stable, and stable sand discharge is realized;
2. according to the utility model, the blades of the blade group are arranged in parallel with the inner wall of the conical bottom of the sand bin, so that the contact area between the blades and slurry is reduced, the rotation resistance of the blades in the circular motion process is reduced, and the service life of the blades is prolonged;
3. the rotating assembly is provided with a primary seal and a secondary seal, so that slurry in the sand silo conical bottom can be effectively prevented from flowing outwards, and the stable concentration of the slurry in the sand silo conical bottom is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rotating assembly in an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 2, this embodiment is a material scraping device at the conical bottom of a dense sand silo for mine filling, including installing at the conical bottom 1 of a sand silo annular stirring device and being used for driving annular stirring device pivoted drive arrangement, annular stirring device includes along the blade group that 1 inner wall direction slope of conical bottom of a sand silo set up, be used for fixing the connecting rod 2 on blade group top and install the runner assembly 4 in the conical bottom 1 of a sand silo, connecting rod 2 level sets up at the conical bottom 1 of a sand silo top, and the conical bottom 1 of a sand silo top is provided with the annular groove along circumference, the both ends of connecting rod 2 respectively with annular groove sliding connection. The bottom of the blade set is connected to a rotating assembly 4.
In particular, the blade set comprises at least two blades 3.
The rotating assembly 4 comprises a vertically arranged movable disc sleeve 401, a static disc sleeve 404, a movable disc 402 and a static disc 403, wherein the static disc sleeve 404 is sleeved on the lower portion of the movable disc sleeve 401, the static disc 403 is horizontally arranged on the top of the movable disc sleeve 401 and is in contact fit with the bottom surface of the movable disc 402, the static disc 403 and the static disc sleeve 404 are respectively fixed at the top and the bottom of an annular plate of the sand silo cone bottom 1 through bolts, the movable disc sleeve 401 is used for being connected with a driving device, and a primary seal and a secondary seal are arranged between the movable disc sleeve 401 and the static disc sleeve 404.
Further, the primary seal comprises a first annular groove 411 arranged on the movable disc sleeve 401, a movable ring 413 installed in the first annular groove 411, a second annular groove 407 arranged on the fixed disc sleeve 404, and a fixed ring 408 installed in the second annular groove 407, the first annular groove 411 is located above the second annular groove 407 and is arranged opposite to the notch of the second annular groove 407, a first seal cavity is formed by enclosing the first annular groove 411 and the second annular groove 407, and the bottom surface of the movable ring 413 is in close contact with the top surface of the fixed ring 408. The primary seal further comprises a first seal ring 412 sleeved between the movable ring 413 and the inner wall of the first annular groove 411 and a second seal ring 409 sleeved between the stationary ring 408 and the inner wall of the second annular groove 407, the movable ring 413 and the movable disc sleeve 401 synchronously rotate, and the stationary ring 408 and the stationary disc sleeve 404 are relatively stationary.
The primary seal further comprises an oil filling hole 410 arranged on the static disc sleeve 404, the inner end of the oil filling hole 410 is used for being communicated with the first seal cavity, and the outer end of the oil filling hole 410 is used for being connected with an oil filling device.
Further, the inner diameter of the outer ring side wall of the first annular groove 411 is gradually increased from top to bottom, and the inner diameter of the outer ring side wall of the second annular groove 407 is gradually decreased from top to bottom.
Further, the secondary seal comprises a third annular groove 406 arranged at the bottom of the static disc sleeve 404 and a pressing plate 405 used for sealing the bottom of the third annular groove 406, a second seal cavity is formed by the third annular groove 406, the pressing plate 405 and the dynamic disc sleeve 401 in an enclosing mode, and a J-shaped seal is arranged in the second seal cavity.
Specifically, in this embodiment, the upper end of the blade 3 is connected to the link 2, and the lower end of the blade 3 is fixedly connected to the top of the movable plate 402.
Further, the driving device comprises a vertical plate 5 arranged on one side of the sand silo conical bottom 1, a plurality of bearing seats 7 arranged on the vertical plate 5 and a motor 6 used for driving the movable disc sleeve 401 to rotate, an output shaft of the motor 6 is connected with a rotating shaft through a coupler, bearings corresponding to the bearing seats 7 in a one-to-one mode are arranged on the rotating shaft, a fixing hole is formed in the movable disc sleeve 401 along the axis, and the rotating shaft penetrates through the bearing seats 7 on the vertical plate 5 to be connected with the fixing hole.
Specifically, the motor 6 in the present embodiment uses the reduction motor 6.
Preferably, in this embodiment, the blade 3 is parallel to the inner wall of the sand silo cone bottom 1, and the distance between the blade 3 and the inner wall of the sand silo cone bottom 1 is 3-5 cm.
Specifically, in this embodiment, the discharge opening of the sand silo conical bottom 1 is located on the side wall of the bottom of the sand silo conical bottom 1.
The using method of the embodiment comprises the following steps: starting motor 6, motor 6 output shaft drives through the pivot and moves set cover 401 and rotate, it drives blade 3 through driving disk 402 to move set cover 401 and rotates, blade 3 is along the circular motion of 1 left tangent line at the bottom of the sand silo awl, carry out interval's stirring to the ground paste in the sand silo awl bottom 1, blade 3 is at the rotation in-process around the sand silo awl bottom 1 and is the surface that hardens between circular motion separation ground paste and the awl end inner wall, play the effect of stirring board bonding material, thereby the cohesion between the bonding material and the sand silo awl bottom 1 inner wall is destroyed and the sand silo bonding that drops, the ground paste of collision receives rotatory inward force and the ground paste pressure P of sand silo straightway1And the self gravity P of the plate material2The sand bin falls to the center of the conical bottom 1 of the sand bin under the action of double forces to perform dense wrapping again, and finally slides downwards along the inner wall of the cone to move to a discharge hole.
In the rotating process of the blade 3, the connecting rod 2 is driven by the blade 3 to rotate along the annular groove at the top of the sand silo conical bottom 1. And the rotating ring 413 in the first sealing cavity rotates synchronously with the movable disc sleeve 401 through the first sealing ring 412, the rotating ring 413 and the static ring 408 extrude contact surfaces through the first sealing ring 412 and the second sealing ring 409, and in the relative rotation process of the rotating ring 413 and the static ring 408, the rotating ring 413 and the static ring 408 form an inner and outer isolation space, and the inner part is filled with lubricating oil.
The embodiment drives the blade 3 to rotate through the driving device, and carries out interval time stirring on the sand silo conical bottom 1 slurry, thereby avoiding slurry accumulation and hardening, providing technical support for slurry blanking, playing the role of stabilizing underflow concentration through conical annular cutting, fundamentally solving the problems of underflow hardening and overhigh bottom slurry concentration, having the advantages of simple equipment operation, easy installation, economy and practicality, one-key stirring, small shearing resistance and the like, obtaining expected effects through application, enabling the slurry to be smoothly transferred and the concentration to be uniform and stable, and realizing the function of stable sand discharging.
Claims (6)
1. Mine is filled with thick sand silo awl end scraper, its characterized in that: the sand silo comprises an annular stirring device arranged at a sand silo conical bottom (1) and a driving device used for driving the annular stirring device to rotate, wherein the annular stirring device comprises a blade group obliquely arranged along the inner wall direction of the sand silo conical bottom (1), a connecting rod (2) used for fixing the top end of the blade group and a rotating assembly (4) arranged at the bottom of the sand silo conical bottom (1), the connecting rod (2) is horizontally arranged at the top of the sand silo conical bottom (1), an annular groove is formed in the top of the sand silo conical bottom (1) along the circumferential direction, and two ends of the connecting rod (2) are respectively connected with the annular groove in a sliding manner; the bottom of the blade group is connected with a rotating assembly (4).
2. The mine filling of claim 1 is with thick sand silo awl bottom scraper, characterized in that: rotating assembly (4) including vertical setting move set cover (401), the cover establish move set cover (401) quiet set cover (404) of lower part of set cover (401), horizontal installation move set cover (401) top movable disk (402) and with movable disk (402) bottom surface contact complex quiet dish (403), quiet dish (403) and quiet set cover (404) are fixed respectively at the top and the bottom of the annular plate of sand silo awl end (1), it is used for being connected with drive arrangement to move set cover (401), the bottom of blade group is used for being connected with the movable disk.
3. The mine filling of claim 2 is with thick sand silo awl bottom scraper, characterized in that: the driving device comprises a vertical plate (5) arranged on one side of a sand silo conical bottom (1), a plurality of bearing seats (7) arranged on the vertical plate (5) and a motor (6) used for driving a movable disc sleeve (401) to rotate, wherein an output shaft of the motor (6) is connected with a rotating shaft through a coupler, bearings corresponding to the bearing seats (7) in a one-to-one mode are arranged on the rotating shaft, a fixing hole is formed in the movable disc sleeve (401) along the axis, and the rotating shaft penetrates through the plurality of bearing seats (7) arranged on the vertical plate (5) and is connected with the fixing hole.
4. The mine filling of claim 2 is with thick sand silo awl bottom scraper, characterized in that: a primary seal is arranged between the movable disc sleeve (401) and the static disc sleeve (404), the primary seal comprises a first annular groove (411) arranged on the movable disc sleeve (401), a movable ring (413) arranged in the first annular groove (411), a second annular groove (407) arranged on the static disc sleeve (404) and a static ring (408) arranged in the second annular groove (407), the first annular groove (411) is positioned above the second annular groove (407) and is opposite to the notch of the second annular groove (407), a first seal cavity is formed by enclosing the first annular groove (411) and the second annular groove (407), and the bottom surface of the movable ring (413) is in tight contact with the top surface of the static ring (408); the primary seal further comprises a first sealing ring (412) sleeved between the movable ring (413) and the inner wall of the first annular groove (411) and a second sealing ring (409) sleeved between the stationary ring (408) and the inner wall of the second annular groove (407), and the movable ring (413) and the movable disc sleeve (401) synchronously rotate;
the primary seal further comprises an oil filling hole (410) formed in the static disc sleeve (404), the inner end of the oil filling hole (410) is communicated with the first seal cavity, and the outer end of the oil filling hole (410) is connected with an oil filling device.
5. The mine filling of claim 4 is with thick sand silo awl bottom scraper, characterized in that: the inner diameter of the outer ring side wall of the first annular groove (411) is gradually increased from top to bottom, and the inner diameter of the outer ring side wall of the second annular groove (407) is gradually decreased from top to bottom.
6. The cone bottom scraping device of the dense sand silo for mine filling according to any one of the claims 2 to 5, which is characterized in that: and a secondary seal is further arranged between the movable disc sleeve (401) and the static disc sleeve (404), the secondary seal comprises a third annular groove (406) arranged at the bottom of the static disc sleeve (404) and a pressing plate (405) used for plugging the bottom of the third annular groove (406), a second seal cavity is formed by enclosing the third annular groove (406), the pressing plate (405) and the movable disc sleeve (401), and a J-shaped seal element is arranged in the second seal cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122029019.7U CN215653978U (en) | 2021-08-26 | 2021-08-26 | Dense sand silo cone bottom scraping device for mine filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122029019.7U CN215653978U (en) | 2021-08-26 | 2021-08-26 | Dense sand silo cone bottom scraping device for mine filling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215653978U true CN215653978U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122029019.7U Active CN215653978U (en) | 2021-08-26 | 2021-08-26 | Dense sand silo cone bottom scraping device for mine filling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215653978U (en) |
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2021
- 2021-08-26 CN CN202122029019.7U patent/CN215653978U/en active Active
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