CN113023250A - Novel embedded scraper conveyor in shell sealing mode - Google Patents
Novel embedded scraper conveyor in shell sealing mode Download PDFInfo
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- CN113023250A CN113023250A CN202110241095.6A CN202110241095A CN113023250A CN 113023250 A CN113023250 A CN 113023250A CN 202110241095 A CN202110241095 A CN 202110241095A CN 113023250 A CN113023250 A CN 113023250A
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- shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/14—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in closed conduits, e.g. tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
- B65G23/06—Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/02—Adaptations of individual rollers and supports therefor
- B65G39/09—Arrangements of bearing or sealing means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a novel embedded scraper conveyor in a shell sealing mode, which belongs to the technical field of embedded scraper conveyors. This kind of novel sealed form of casing buries scraper conveyor's leakproofness is good, and equipment is under long-time area material operation, and the material dust also is difficult to get into the bearing frame in, makes the bearing be difficult to damage because of the dust to effectively promote the life of bearing and the operating stability of whole equipment.
Description
Technical Field
The invention relates to the technical field of buried scraper conveyors, in particular to a buried scraper conveyor in a novel shell sealing mode.
Background
The buried scraper conveyor is a transportation device for continuously conveying materials by means of the movement of a traction chain in a closed shell. When the conveyor works, materials continuously flow into the shell through the feeding pipe, and internal friction force is generated between the materials due to the weight of the materials and the action of pressure generated by movement of the traction chain. The friction force ensures the stable state between the material layers and can overcome the external friction force generated when the materials move in the shell, so that the materials form a continuous integral material flow to be conveyed.
At present, the sealing mode of the conveyor shell is to fill a sealing rope at an opening of the equipment shell and compress the sealing rope by a gland. However, the housing sealing method has the following defects: under the condition of small granularity of conveyed materials, material dust of the equipment can run out of the shell through the sealing rope and the gland after long-time material-carrying operation and enters the bearing seat, so that the bearing is blocked.
Disclosure of Invention
The invention aims to provide a novel shell sealing type embedded scraper conveyor which has good sealing performance, and material dust is difficult to enter a bearing seat under the long-time material carrying operation of equipment, so that a bearing is difficult to damage due to the dust, thereby effectively prolonging the service life of the bearing and improving the operation stability of the whole equipment.
The technical purpose of the invention is realized by the following technical scheme: a novel embedded scraper conveyor in a shell sealing mode comprises a shell and a driving shaft penetrating through the side wall of the shell, wherein a chain wheel and a bearing seat are sleeved on the driving shaft, the chain wheel is located on the inner side of the shell, the bearing seat is located on the outer side of the shell and fixedly mounted together, the embedded scraper conveyor further comprises a sealing mechanism used for sealing a gap between the driving shaft and the shell, the embedded scraper conveyor comprises a first sealing ring, a second sealing ring, a third sealing ring and a fourth sealing ring which are sleeved on the driving shaft, the first sealing ring is coaxially and fixedly embedded in a through hole penetrating through the shell by the driving shaft, an annular bulge extending outwards along the axial direction is arranged at the edge part of the first sealing ring, the cross section of the edge part is L-shaped, and an annular groove structure is formed between the first sealing ring and the driving shaft, the second sealing ring is embedded into the annular groove-shaped structure, the end part of the extending part of the annular protrusion of the first sealing ring and one side of the second sealing ring close to the end part are flush with the outer side wall of the shell, the third sealing ring is tightly attached to the outer side wall of the shell and is fixedly installed with the shell through a plurality of first bolts, the third sealing ring is also tightly attached to the first sealing ring and the second sealing ring, two rings of concentric annular protrusions which extend outwards along the axial direction are arranged on one side of the third sealing ring away from the shell, the fourth sealing ring is arranged on one side of the third sealing ring away from the shell, two rings of concentric annular protrusions which extend outwards along the axial direction are also arranged on one side of the fourth sealing ring close to the third sealing ring, and the cross section of the edge part of the fourth sealing ring is F-shaped, the outer side of the annular bulge on the outer ring of the fourth sealing ring is tightly attached to the inner side of the annular bulge on the outer ring of the third sealing ring, the annular bulge on the inner ring of the third sealing ring is tightly inserted between the two annular bulges of the fourth sealing ring, an annular cavity is also reserved between the two annular bulges of the third sealing ring and the annular bulge on the outer ring of the fourth sealing ring, a third gasket is tightly attached between the annular bulge on the outer ring of the third sealing ring and the fourth sealing ring, the third gasket is also sleeved on the driving shaft, and the third gasket is fixedly installed with the annular bulge on the outer ring of the third sealing ring through a plurality of second bolts; the pressurizing mechanism is used for continuously inflating and pressurizing the annular cavity to enable the air pressure in the annular cavity to be larger than the air pressure inside the shell, and comprises an air pipe fixedly installed on the outer side of the bearing seat, and one end of the air pipe is inserted into the annular cavity.
Further, the pressurizing mechanism further comprises a compression air bag connected to the other end of the air pipe, an extrusion block fixedly installed on the side wall of the driving shaft and protruding outwards in the radial direction, and a first one-way air valve, a second one-way air valve and a third one-way air valve which are all installed on the air pipe, wherein the extrusion block can repeatedly extrude the compression air bag along with the rotation of the driving shaft, the first one-way air valve, the second one-way air valve and the third one-way air valve are sequentially distributed from one end where the annular cavity is located to one end where the compression air bag is located, the first one-way air valve only can give out air and cannot give in air, the second one-way air valve only can make the air flow in the air pipe flow from the compression air bag to the annular cavity and cannot flow in the reverse direction, and the third one-way air valve only can not give.
Furthermore, one end of the compression air bag, which is extruded by the extrusion block, is in a convex arc shape.
Furthermore, the extrusion piece is triangle-shaped, and this triangle-shaped structure is used for extrudeing compression air bag's one end is the button head form.
Further, the air pipe is a rigid pipe.
Furthermore, the air pipe is fixedly arranged on the bearing seat through a plurality of rubber blocks.
Further, the first sealing ring is made of a rigid material, and the second sealing ring is made of a flexible material.
Furthermore, a first gasket is arranged between the third sealing ring and the shell, and a second gasket is arranged between the first bolt and the shell.
Furthermore, a fifth sealing ring is arranged between the outer ring annular bulge of the third sealing ring and the outer ring annular bulge of the fourth sealing ring.
In conclusion, the invention has the following beneficial effects:
1. the embedded scraper conveyor with the novel shell sealing form is provided with a first sealing ring and a second sealing ring which are used as a first layer of seal between a shell and a driving shaft, the first sealing ring and the second sealing ring are mutually supported and reinforced, and meanwhile, the sealing performance between the shell and the driving shaft is also improved, the embedded scraper conveyor with the novel shell sealing form is provided with a third sealing ring and a fourth sealing ring which are used as a second layer of seal between the shell and the driving shaft, a gap between the third sealing ring and the fourth sealing ring is quite tortuous, so that the contact surface between the third sealing ring and the fourth sealing ring is quite large, dust is difficult to leak out along the gap between the third sealing ring and the fourth sealing ring, the sealing performance between the shell and the driving shaft is further improved, an annular cavity is reserved between the third sealing ring and the fourth sealing ring, and the embedded scraper conveyor can continuously inflate the annular cavity by means of an air pipe, make the atmospheric pressure in this annular cavity be greater than the inboard atmospheric pressure of casing, under the effect of atmospheric pressure difference, the inboard dust of casing is difficult to more leak out along the gap between third sealing washer and the fourth sealing washer, under the effect of so multiple sealing action and pressure difference, equipment is under long-time area material operation, the material dust also is difficult to get into in the bearing frame from the inboard of casing, make the bearing be difficult to damage because of the dust, thereby effectively promoted the life of bearing and the operating stability of whole equipment.
2. This kind of novel sealed form of casing buries scraper conveyor, equipment is in the operation, the drive shaft drives the high-speed motion of extrusion piece, the extrusion piece lasts to extrude compression gasbag repeatedly during, make compression gasbag along the interior gas pressurization of tuber pipe to the ring cavity, in order to reach the purpose that increases the ring cavity internal gas pressure, such gas pressurization mode need not with the help of other gas pressurization equipment, only be one kind in the drive shaft operation in-process and move jointly, simple structure, the power consumption is little, use easy maintenance, the pressurization is stable.
Drawings
FIG. 1 is an overall block diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1A;
FIG. 3 is an overall structural view of an embodiment of the pressurizing mechanism of the present invention;
FIG. 4 is a schematic view of the installation position of an embodiment of the compression bladder and crush block of the present invention.
In the figure: 1. a drive shaft; 2. a sprocket; 3. a bearing seat; 4. a housing; 5. a first seal ring; 6. a second seal ring; 7. a third seal ring; 8. a first gasket; 9. a second gasket; 10. a first bolt; 11. a fourth seal ring; 12. a fifth seal ring; 13. a third gasket; 14. a second bolt; 15. an air duct; 16. a first one-way air valve; 17. a second one-way air valve; 18. a third one-way air valve; 19. compressing the air bag; 20. and extruding the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a novel casing sealing type embedded scraper conveyor comprises a casing 4 and a driving shaft 1 penetrating through the side wall of the casing 4, wherein a chain wheel 2 and a bearing seat 3 are sleeved on the driving shaft 1, the chain wheel 2 is positioned at the inner side of the casing 4, the bearing seat 3 is positioned at the outer side of the casing 4, and the chain wheel and the bearing seat are fixedly mounted together, the embedded scraper conveyor also comprises a sealing mechanism for sealing a gap between the driving shaft 1 and the casing 4, the embedded scraper conveyor comprises a first sealing ring 5, a second sealing ring 6, a third sealing ring 7 and a fourth sealing ring 11 which are sleeved on the driving shaft 1, wherein the first sealing ring 5 is coaxially and fixedly embedded in a through hole of the casing 4 penetrated by the driving shaft 1, an annular bulge extending outwards along the axial direction is arranged at the edge part of the first sealing ring 5, the cross section of the edge part is L-shaped, the second sealing ring 6 is embedded into the annular groove-shaped structure, the end part of the extending part of the annular bulge of the first sealing ring 5 and one side of the second sealing ring 6 close to the end part are flush with the outer side wall of the shell 4, the third sealing ring 7 is tightly attached to the outer side wall of the shell 4 and is fixedly installed with the shell 4 through a plurality of first bolts 10, the third sealing ring 7 is also tightly attached to the first sealing ring 5 and the second sealing ring 6, one side of the third sealing ring 7 far away from the shell 4 is provided with two rings of concentric annular bulges which extend outwards along the axial direction, the fourth sealing ring 11 is arranged on one side of the third sealing ring 7 far away from the shell 4, one side of the fourth sealing ring 11 close to the third sealing ring 7 is also provided with two rings of concentric annular bulges which extend outwards along the axial direction, the cross section of the edge part of the fourth sealing ring 11 is F-shaped, and the outer side of the annular bulge of the outer ring of the fourth, an inner ring annular bulge of the third sealing ring 7 is tightly inserted between two annular bulges of the fourth sealing ring 11, an annular cavity is reserved between the two annular bulges of the third sealing ring 7 and an outer ring annular bulge of the fourth sealing ring 11, a third gasket 13 is tightly attached between the outer ring annular bulge of the third sealing ring 7 and the fourth sealing ring 11, the third gasket 13 is also sleeved on the driving shaft 1, and the third gasket 13 is fixedly installed with the outer ring annular bulge of the third sealing ring 7 through a plurality of second bolts 14; the pressurizing mechanism is used for continuously inflating and pressurizing the annular cavity to enable the air pressure in the annular cavity to be larger than the air pressure inside the shell 4, and comprises an air pipe 15 fixedly installed on the outer side of the bearing seat 3, and one end of the air pipe 15 is inserted into the annular cavity.
Through the technical scheme, the embedded scraper conveyor is provided with the first sealing ring 5 and the second sealing ring 6 as the first layer of sealing between the shell 4 and the driving shaft 1, wherein the first sealing ring 5 plays a role in positioning the driving shaft 1, the second sealing ring 6 is used for filling and supporting an annular groove-shaped structure formed between the first sealing ring 5 and the driving shaft 1, so that the first sealing ring 5 is supported and reinforced, and the sealing performance is also improved, the third sealing ring 7 and the fourth sealing ring 11 are used as the second layer of sealing between the shell 4 and the driving shaft 1, the third sealing ring 7 and the fourth sealing ring 11 are both provided with two annular bulges, the annular bulges on the third sealing ring 7 and the fourth sealing ring 11 are tightly attached to each other and firmly spliced together, so that the zigzag gap between the third sealing ring and the fourth sealing ring is also greatly increased, therefore, dust is difficult to leak out along a gap between the third sealing ring 7 and the fourth sealing ring 11, the sealing performance is greatly improved, an annular cavity is reserved between the third sealing ring 7 and the fourth sealing ring 11, the air pipe 15 can be used for continuously inflating the annular cavity, the air pressure in the annular cavity is larger than the air pressure inside the shell 4, under the action of air pressure difference, the dust inside the shell 4 is more difficult to leak out along the gap between the third sealing ring 7 and the fourth sealing ring 11, under the action of multiple sealing action and pressure difference, material dust is difficult to enter the bearing seat 3 from the inner side of the shell 4 under long-time material carrying operation of the equipment, the bearing is difficult to be damaged by the dust, and the service life of the bearing and the operation stability of the whole equipment are effectively improved.
Further, as shown in fig. 1, 3 and 4, the pressurizing mechanism further comprises a compression air bag 19 connected to the other end of the air pipe 15, an extrusion block 20 fixedly installed on the side wall of the driving shaft 1 and protruding outward in the radial direction, and a first one-way air valve 16, a second one-way air valve 17 and a third one-way air valve 18 all installed on the air pipe 15, wherein the extrusion block 20 can repeatedly extrude the compression air bag 19 along with the rotation of the driving shaft 1, the first one-way air valve 16, the second one-way air valve 17 and the third one-way air valve 18 are sequentially distributed from one end where the annular cavity is located to one end where the compression air bag 19 is located, wherein the first one-way air valve 16 can only discharge air and can not discharge air, the second one-way air valve 17 can only flow the air in the air pipe 15 from the compression air bag 19 to the annular cavity and can not flow in the reverse direction, the third one-way air, the driving shaft 1 drives the extrusion block 20 to move at a high speed, the extrusion block 20 continuously and repeatedly extrudes the compression air bag 19 during the period, so that the compression air bag 19 inflates and pressurizes the annular cavity along the air pipe 15 to achieve the purpose of increasing the air pressure in the annular cavity, the inflation and pressurization mode does not need other inflation and pressurization equipment, only one linkage action is performed during the operation process of the driving shaft 1, the structure is simple, the energy consumption is low, the use and maintenance are convenient, the pressurization is stable, when the compression air bag 19 is extruded by the extrusion block 20 to exhaust outwards, no air flow passes through the third one-way air valve 18, the air flow passes through the second one-way air valve 17 along the air pipe 15 and is finally exhausted from one ends of the first one-way air valve 16 and the air pipe 15 far away from the compression air bag 19, the first one-way air valve 16 plays a role in air leakage and pressure stabilization so as to prevent the air pipe 15 from being expanded due to overlarge air pressure in the annular cavity, at the moment, the compressed air bag 19 extracts air to the outside through the third one-way air valve 18 under the action of negative pressure, and at the moment, the air in the annular cavity cannot be extracted by the compressed air bag 19 under the action of the second one-way air valve 17, so that the air pressure in the annular cavity can be kept stable no matter the compressed air bag 19 is extruded or expanded, and the compressed air bag 19 inflates the air pipe 15 at a very high frequency along with the high-speed movement of the extrusion block 20 driven by the driving shaft 1, so that the air pressure in the annular cavity can be always kept higher than the air pressure in the shell 4; one end of the compression air bag 19, which is extruded by the extrusion block 20, is in a convex arc shape, so that the shape is easier to extrude, the deformation degree is larger, and the air displacement is larger; the pressing block 20 has a triangular shape, and one end of the triangular structure for pressing the compression air bag 19 has a round head shape, so that the structural installation stability is stronger, and the compression air bag 19 is not crushed.
Further, the air duct 15 is a rigid tube, preferably a metal tube, to prevent the air duct 15 from being shaken freely during the process of pressing the compression balloon 19.
Furthermore, as shown in fig. 1, the air duct 15 is fixedly mounted on the bearing seat 3 through a plurality of rubber blocks, so that the damping effect on the air duct 15 can be effectively achieved.
Further, first sealing washer 5 makes for rigid material, and second sealing washer 6 makes for flexible material, so, first sealing washer 5 has better location support function, and flexible second sealing washer 6 then can choose for use bigger volume model excessive to fill in the annular groove form structure between first sealing washer 5 and the drive shaft 1 by force, make first sealing washer 5, the structure between second sealing washer 6 and the drive shaft 1 inseparabler, thereby further promoted the sealing performance between drive shaft 1 and casing 4.
Further, as shown in fig. 2, a first gasket 8 is arranged between the third sealing ring 7 and the housing 4, a second gasket 9 is arranged between the first bolt 10 and the housing 4, and the first gasket 8 and the second gasket 9 both play roles of improving connection tightness, dust prevention and water prevention.
Further, as shown in fig. 2, a fifth sealing ring 12 is disposed between the outer ring annular protrusion of the third sealing ring 7 and the outer ring annular protrusion of the fourth sealing ring 11, and the fifth sealing ring 12 is preferably a flexible O-ring, so that the connection sealing performance between the third sealing ring 7 and the fourth sealing ring 11 is further improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a novel buried scraper conveyor of casing sealed form, includes casing (4) and runs through drive shaft (1) of casing (4) lateral wall, the cover is equipped with sprocket (2) and bearing frame (3) on drive shaft (1), wherein sprocket (2) are located the inboard of casing (4), bearing frame (3) are located the outside of casing (4) and both fixed mounting together, its characterized in that still includes:
the sealing mechanism is used for sealing a gap between the driving shaft (1) and the shell (4), and comprises a first sealing ring (5), a second sealing ring (6), a third sealing ring (7) and a fourth sealing ring (11) which are sleeved on the driving shaft (1), wherein the first sealing ring (5) is coaxially and fixedly embedded in a through hole of the shell (4) penetrated by the driving shaft (1), an annular bulge extending outwards along the axial direction is arranged at the edge part of the first sealing ring (5), the cross section of the edge part is L-shaped, an annular groove structure is formed between the first sealing ring (5) and the driving shaft (1), the second sealing ring (6) is embedded in the annular groove structure, and the end part of the annular bulge extending part of the first sealing ring (5) and one side of the second sealing ring (6) close to the end part are flush with the outer side wall of the shell (4), the third sealing ring (7) is tightly attached to the outer side wall of the shell (4) and fixedly mounted with the shell (4) through a plurality of first bolts (10), the third sealing ring (7) is also tightly attached to the first sealing ring (5) and the second sealing ring (6), two rings of concentric annular bulges which extend outwards along the axial direction are arranged on one side, far away from the shell (4), of the third sealing ring (7), the fourth sealing ring (11) is arranged on one side, far away from the shell (4), of the third sealing ring (7), two rings of concentric annular bulges which extend outwards along the axial direction are also arranged on one side, close to the third sealing ring (7), of the fourth sealing ring (11), the cross section of the edge part of the fourth sealing ring (11) is F-shaped, and the outer side of the annular bulge of the outer ring of the fourth sealing ring (11) is tightly attached to the inner side of the annular bulge of the outer ring of the third sealing ring (7), the inner ring annular bulge of the third sealing ring (7) is tightly inserted between the two annular bulges of the fourth sealing ring (11), an annular cavity is also reserved between the two annular bulges of the third sealing ring (7) and the outer ring annular bulge of the fourth sealing ring (11), a third gasket (13) is tightly attached between the outer ring annular bulge of the third sealing ring (7) and the fourth sealing ring (11), the third gasket (13) is also sleeved on the driving shaft (1), and the third gasket (13) is fixedly mounted with the outer ring annular bulge of the third sealing ring (7) through a plurality of second bolts (14);
the pressurizing mechanism is used for continuously inflating and pressurizing the annular cavity to enable the air pressure in the annular cavity to be larger than the air pressure inside the shell (4), and comprises an air pipe (15) fixedly installed on the outer side of the bearing seat (3), and one end of the air pipe (15) is inserted into the annular cavity.
2. The scraper conveyor of claim 1, in which: the pressurizing mechanism further comprises a compression air bag (19) connected to the other end of the air pipe (15), an extrusion block (20) fixedly installed on the side wall of the driving shaft (1) and protruding outwards in the radial direction, and a first one-way air valve (16), a second one-way air valve (17) and a third one-way air valve (18) which are all installed on the air pipe (15), wherein the extrusion block (20) can repeatedly extrude the compression air bag (19) along with the rotation of the driving shaft (1), the first one-way air valve (16), the second one-way air valve (17) and the third one-way air valve (18) are sequentially distributed from one end where the annular cavity is located to one end where the compression air bag (19) is located, the first one-way air valve (16) can only exhaust air and can not intake air, and the second one-way air valve (17) enables the air flow in the air pipe (15) to only flow from the compression air bag (19) to the annular cavity and can not flow in the, the third one-way air valve (18) can only feed air and can not discharge air.
3. The scraper conveyor of claim 2, in which the casing is sealed by a sealing device, the sealing device comprises: one end of the compression air bag (19) extruded by the extrusion block (20) is in a convex arc shape.
4. The scraper conveyor of claim 2, in which the casing is sealed by a sealing device, the sealing device comprises: the extrusion block (20) is triangular, and one end of the triangular structure used for extruding the compression air bag (19) is round-headed.
5. The scraper conveyor of claim 1, in which: the air pipe (15) is a rigid pipe.
6. The scraper conveyor of claim 1, in which: the air pipe (15) is fixedly arranged on the bearing seat (3) through a plurality of rubber blocks.
7. The scraper conveyor of claim 1, in which: the first sealing ring (5) is made of rigid materials, and the second sealing ring (6) is made of flexible materials.
8. The scraper conveyor of claim 1, in which: and a first gasket (8) is arranged between the third sealing ring (7) and the shell (4), and a second gasket (9) is arranged between the first bolt (10) and the shell (4).
9. The scraper conveyor of claim 1, in which: and a fifth sealing ring (12) is arranged between the outer ring annular bulge of the third sealing ring (7) and the outer ring annular bulge of the fourth sealing ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241095.6A CN113023250B (en) | 2021-03-04 | 2021-03-04 | Novel embedded scraper conveyor in shell sealing mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241095.6A CN113023250B (en) | 2021-03-04 | 2021-03-04 | Novel embedded scraper conveyor in shell sealing mode |
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| Publication Number | Publication Date |
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| CN113023250A true CN113023250A (en) | 2021-06-25 |
| CN113023250B CN113023250B (en) | 2022-07-08 |
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| CN202110241095.6A Active CN113023250B (en) | 2021-03-04 | 2021-03-04 | Novel embedded scraper conveyor in shell sealing mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561054A (en) * | 2021-07-28 | 2021-10-29 | 北京烁科精微电子装备有限公司 | Polishing pad dressing device and polishing equipment |
| CN115475558A (en) * | 2022-08-25 | 2022-12-16 | 德马科技集团股份有限公司 | Planetary stirrer |
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| CN111360694A (en) * | 2020-04-01 | 2020-07-03 | 深圳市爱贝科精密机械有限公司 | Air seal mechanism for front end of main shaft |
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| CN111590452A (en) * | 2020-06-22 | 2020-08-28 | 成都睿坤科技有限公司 | Polishing device |
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| CN113561054A (en) * | 2021-07-28 | 2021-10-29 | 北京烁科精微电子装备有限公司 | Polishing pad dressing device and polishing equipment |
| CN115475558A (en) * | 2022-08-25 | 2022-12-16 | 德马科技集团股份有限公司 | Planetary stirrer |
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