CN214743340U - Mechanical sealing device for wet grinding grinder - Google Patents
Mechanical sealing device for wet grinding grinder Download PDFInfo
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- CN214743340U CN214743340U CN202120373578.7U CN202120373578U CN214743340U CN 214743340 U CN214743340 U CN 214743340U CN 202120373578 U CN202120373578 U CN 202120373578U CN 214743340 U CN214743340 U CN 214743340U
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- static
- static ring
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Abstract
The utility model discloses a mechanical sealing device of a wet grinding crusher, which comprises a gland, a shaft sleeve, a compensation spring and a static ring anti-rotation pin; the device comprises an atmosphere end static ring, an atmosphere end static ring sliding sealing ring, an atmosphere end moving ring sealing ring, an atmosphere end moving ring transmission pin and an atmosphere end moving ring positioning snap ring; the medium end static ring, the medium end static ring sliding sealing ring, the medium end dynamic ring sealing ring, the medium end dynamic ring driving pin and the medium end dynamic ring positioning clamping ring; the integrated container type sealing device is simple in structure, small in size, low in manufacturing cost, convenient to transport, mount, maintain, mount, dismount and mount and capable of effectively guaranteeing the sealing effect.
Description
Technical Field
The patent of the utility model relates to a mechanical seal device, especially be applied to the double-end face mechanical seal device back-to-back that wet grinding rubbing crusher used.
Background
The wet grinding pulverizer has a severe working condition, and the currently used mechanical sealing device is a typical double-end mechanical sealing device as shown in fig. 2, which can meet the sealing use requirements, but has a complex structure, a large volume, a high manufacturing cost and inconvenient maintenance, loading and unloading.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be applied to double mechanical seal device that wet-type grinding grinder used, it not only can satisfy sealed operation requirement, and the structure is comparatively simple moreover, and is small, and manufacturing, maintenance, loading and unloading are convenient.
The utility model discloses a mechanical sealing device for a wet grinding crusher, which comprises a gland, a shaft sleeve, a compensation spring and a static ring anti-rotation pin; the device comprises an atmosphere end static ring, an atmosphere end static ring sliding sealing ring, an atmosphere end moving ring sealing ring, an atmosphere end moving ring transmission pin and an atmosphere end moving ring positioning snap ring; the medium end static ring, the medium end static ring sliding seal ring, the medium end dynamic ring seal ring, the medium end dynamic ring drive pin and the medium end dynamic ring positioning snap ring.
The middle part of the inner circle of the gland is provided with a flange, the flange is axially provided with a pin hole, and a static ring anti-rotation pin is fixedly arranged on the pin hole in a penetrating way.
A left static ring seat boss is arranged at the left side part of the inner circle of the gland, an atmosphere end static ring is arranged on the left static ring seat boss arranged at the left side part of the gland in a sliding fit manner, and an atmosphere end static ring sliding sealing ring is arranged on the inner circle surface of the left static ring seat boss; the right side portion of the inner circle of the gland is provided with a right static ring seat boss, the medium end static ring is installed on the right static ring seat boss arranged on the right side portion of the gland in a sliding fit mode, and a medium end static ring sliding sealing ring is arranged on the inner circle surface of the right static ring seat boss.
An atmosphere end static ring pin groove is formed in the right end of the atmosphere end static ring and matched with the left end of the static ring anti-rotation pin to prevent the atmosphere end static ring from rotating; the left end of the medium end static ring is provided with a medium end static ring pin groove which is matched with the right end of the static ring anti-rotation pin to prevent the medium end static ring from rotating.
The upper circumference of a flange arranged on the middle part of the inner circle of the gland is uniformly provided with a plurality of spring mounting holes in the axial direction, the compensating spring is arranged on the spring mounting holes in a penetrating way, and the left end and the right end of the compensating spring respectively act on the right end surface of the atmosphere end static ring and the left end surface of the medium end static ring in a pressure way.
The left end outer spigot platform is arranged on the shaft sleeve, the atmosphere end rotating ring is arranged on the left end outer spigot platform arranged on the shaft sleeve, the atmosphere end rotating ring is axially positioned by the left end clamping ring arranged on the shaft sleeve, the atmosphere end rotating ring moving sealing ring is arranged on the shaft surface of the left end outer spigot platform of the shaft sleeve, the right end of the atmosphere end rotating ring is provided with an atmosphere end rotating ring pin groove, and the atmosphere end rotating ring pin groove is matched with an atmosphere end rotating ring driving pin fixedly arranged on the vertical end surface of the left end outer spigot platform arranged on the shaft sleeve to drive the atmosphere end rotating ring to rotate.
The shaft sleeve is provided with a right-end outer spigot platform, the medium-end movable ring is arranged on the right-end outer spigot platform arranged on the shaft sleeve, the medium-end movable ring is axially positioned by a right-end snap ring arranged on the shaft sleeve, a medium-end movable ring moving sealing ring is arranged on the shaft surface of the right-end outer spigot platform arranged on the shaft sleeve, the left end of the medium-end movable ring is provided with a medium-end movable ring pin groove, and the medium-end movable ring pin groove is matched with a medium-end movable ring driving pin fixedly arranged on the vertical end surface of the right-end outer spigot platform arranged on the shaft sleeve to drive the medium-end movable ring to rotate.
A sealing liquid inlet hole and a sealing liquid outlet hole are respectively formed in the gland, and pressure sealing liquid is injected into the double-end-face mechanical sealing inner cavity during working.
The utility model discloses simple structure, it is small, low in manufacturing cost, its mechanical seal wholly containerized formula, the transportation of being convenient for, installation maintenance loading and unloading are convenient, are suitable for the comparatively abominable work of wet-type grinding pulverizer operating mode to use very much to effectively guarantee sealed effect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of a prior art structure.
Detailed Description
The utility model discloses a mechanical sealing device for a wet grinding crusher, which comprises a gland 1, a shaft sleeve 2, a compensating spring 3 and a static ring anti-rotation pin 4; an atmosphere end static ring 50, an atmosphere end static ring sliding sealing ring 51, an atmosphere end dynamic ring 52, an atmosphere end dynamic ring sealing ring 53, an atmosphere end dynamic ring transmission pin 54 and an atmosphere end dynamic ring positioning clamping ring 55; the medium end static ring 60, the medium end static ring sliding seal ring 61, the medium end dynamic ring 62, the medium end dynamic ring seal ring 63, the medium end dynamic ring transmission pin 64 and the medium end dynamic ring positioning snap ring 65.
A flange 11 is arranged on the middle part of the inner circle of the gland 1, a pin hole 110 is axially arranged on the flange 11, and the static ring rotation-proof pin 4 is fixedly arranged on the pin hole 110 in a penetrating way.
A left static ring seat boss 15 is arranged at the left side part of the inner circle of the gland 1, an atmosphere end static ring 50 is arranged on the left static ring seat boss 15 arranged at the left side part of the gland in a sliding fit manner, and an atmosphere end static ring sliding sealing ring 51 is arranged on the inner circle surface of the left static ring seat boss 15; the right side part of the inner circle of the gland 1 is provided with a right static ring seat boss 16, the medium end static ring 60 is arranged on the right static ring seat boss 16 arranged on the right side part of the gland in a sliding fit mode, and the inner circle surface of the right static ring seat boss 16 is provided with a medium end static ring sliding sealing ring 61.
An atmosphere end static ring pin groove 501 is formed in the right end of the atmosphere end static ring 50, and the atmosphere end static ring pin groove 501 is matched with the left end of the static ring anti-rotation pin 4 to prevent the atmosphere end static ring 50 from rotating; the left end of the medium end static ring 60 is provided with a medium end static ring pin groove 601, and the medium end static ring pin groove 601 is matched with the right end of the static ring anti-rotation pin 4 to prevent the medium end static ring 60 from rotating.
A plurality of spring mounting holes 112 are uniformly and axially arranged on the circumference of a flange 11 arranged on the middle part of the inner circle of the gland 1, the compensating spring 3 is arranged on the spring mounting holes 112 in a penetrating way, and the left end and the right end of the compensating spring 3 respectively act on the right end surface of the atmosphere end static ring 50 and the left end surface of the medium end static ring 60 in a pressure way.
The shaft sleeve 2 is provided with a left-end external spigot platform 25, the atmosphere-end movable ring 52 is arranged on the left-end external spigot platform 25 arranged on the shaft sleeve 2, and the atmosphere-end movable ring 52 is axially positioned by an atmosphere-end movable ring positioning snap ring 55 arranged on the shaft sleeve 2; an atmosphere end moving ring moving seal ring 53 is arranged on the shaft surface of the left end outer spigot platform 25 of the shaft sleeve 2, an atmosphere end moving ring pin groove 520 is arranged at the right end of the atmosphere end moving ring 52, and the atmosphere end moving ring moving seal ring is matched with an atmosphere end moving ring transmission pin 54 fixedly arranged on the vertical end surface of the left end outer spigot platform 25 arranged on the shaft sleeve 2 to drive the atmosphere end moving ring to rotate.
A right end outer spigot platform 26 is arranged on the shaft sleeve 2, a medium end moving ring 62 is arranged on the right end outer spigot platform 26 arranged on the shaft sleeve 2, and the medium end moving ring 62 is axially positioned by a medium end moving ring positioning snap ring 65 arranged on the shaft sleeve 2; a medium end moving ring moving seal ring 63 is arranged on the shaft surface of the right end outer spigot platform 26 of the shaft sleeve 2, and a medium end moving ring pin groove 620 is arranged at the left end of the medium end moving ring 62 and is matched with a medium end moving ring transmission pin 64 fixedly arranged on the vertical end surface of the right end outer spigot platform 26 arranged on the shaft sleeve 2 to drive the medium end moving ring to rotate.
A sealing liquid inlet hole 12 and a liquid outlet hole 13 are respectively formed in the gland 1, and pressure sealing liquid is injected into the double-end-face mechanical seal inner cavity through the sealing liquid inlet hole 12 during operation.
Claims (1)
1. The wet grinding crusher mechanical sealing device is characterized by comprising a gland, a shaft sleeve, a compensating spring and a static ring anti-rotation pin; the device comprises an atmosphere end static ring, an atmosphere end static ring sliding sealing ring, an atmosphere end moving ring sealing ring, an atmosphere end moving ring transmission pin and an atmosphere end moving ring positioning snap ring; the medium end static ring, the medium end static ring sliding sealing ring, the medium end dynamic ring sealing ring, the medium end dynamic ring driving pin and the medium end dynamic ring positioning clamping ring;
a flange is arranged at the middle part of the inner circle of the gland, a pin hole is axially arranged on the flange, and a static ring anti-rotation pin is fixedly arranged on the pin hole in a penetrating way;
a left static ring seat boss is arranged at the left side part of the inner circle of the gland, an atmosphere end static ring is arranged on the left static ring seat boss arranged at the left side part of the gland in a sliding fit manner, and an atmosphere end static ring sliding sealing ring is arranged on the inner circle surface of the left static ring seat boss; a right static ring seat boss is arranged at the right side part of the inner circle of the gland, a medium end static ring is arranged on the right static ring seat boss arranged at the right side part of the gland in a sliding fit manner, and a medium end static ring sliding sealing ring is arranged on the inner circle surface of the right static ring seat boss;
an atmosphere end static ring pin groove is formed in the right end of the atmosphere end static ring and matched with the left end of the static ring anti-rotation pin to prevent the atmosphere end static ring from rotating; a medium end static ring pin groove is formed in the left end of the medium end static ring and matched with the right end of the static ring anti-rotation pin to prevent the medium end static ring from rotating;
a plurality of spring mounting holes are uniformly distributed on the circumference of a flange arranged on the middle part of the inner circle of the gland in an axial direction, the compensation spring is arranged on the spring mounting hole in a penetrating way, and the left end and the right end of the compensation spring respectively act on the right end surface of the atmosphere end static ring and the left end surface of the medium end static ring in a pressure way;
the shaft sleeve is provided with a left-end external spigot platform, the atmosphere-end movable ring is arranged on the left-end external spigot platform arranged on the shaft sleeve, and the atmosphere-end movable ring is axially positioned by a left-end clamping ring arranged on the shaft sleeve; an atmosphere end moving ring moving sealing ring is arranged on the shaft surface of the left end external spigot table of the shaft sleeve, an atmosphere end moving ring pin groove is arranged at the right end of the atmosphere end moving ring, and the atmosphere end moving ring moving sealing ring is matched with an atmosphere end moving ring driving pin fixedly arranged on the vertical end surface of the left end external spigot table arranged on the shaft sleeve to drive the atmosphere end moving ring to rotate;
the shaft sleeve is provided with a right-end external spigot platform, the medium-end movable ring is arranged on the right-end external spigot platform arranged on the shaft sleeve, the medium-end movable ring is axially positioned by a right-end snap ring arranged on the shaft sleeve, a medium-end movable ring moving seal ring is arranged on the shaft surface of the right-end external spigot platform arranged on the shaft sleeve, and the left end of the medium-end movable ring is provided with a medium-end movable ring pin groove which is matched with a medium-end movable ring drive pin fixedly arranged on the vertical end surface of the right-end external spigot platform arranged on the shaft sleeve and drives the medium-end movable ring to rotate;
the gland is respectively provided with a sealing liquid inlet hole and a sealing liquid outlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120373578.7U CN214743340U (en) | 2021-02-18 | 2021-02-18 | Mechanical sealing device for wet grinding grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120373578.7U CN214743340U (en) | 2021-02-18 | 2021-02-18 | Mechanical sealing device for wet grinding grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743340U true CN214743340U (en) | 2021-11-16 |
Family
ID=78588883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120373578.7U Active CN214743340U (en) | 2021-02-18 | 2021-02-18 | Mechanical sealing device for wet grinding grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743340U (en) |
-
2021
- 2021-02-18 CN CN202120373578.7U patent/CN214743340U/en active Active
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