CN216478002U

CN216478002U - Improved generation sediment stuff pump mechanical seal subassembly

Info

Publication number: CN216478002U
Application number: CN202220061695.4U
Authority: CN
Inventors: 张继标; 韩亚伟; 梁一鸣
Original assignee: Hebei Hanchang Mine Machinery Co ltd
Current assignee: Hebei Hanchang Mine Machinery Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-05-10
Anticipated expiration: 2032-01-11

Abstract

The utility model belongs to the technical field of the sediment stuff pump, especially, improved generation sediment stuff pump mechanical seal subassembly, the vibrations to the high temperature that the background art provided harms seal assembly and motor easily influence the problem of being connected between input shaft and the dynamic seal ring easily, present following scheme of proposition, including the mechanical seal gland, mechanical seal gland one side wall connection has the inlet tube, and mechanical seal gland opposite side wall connection has the outlet pipe, the joint is all installed to inlet tube and outlet pipe one end outer wall. The utility model discloses after the water pipe is connected to the joint, pour into the cooling water into through the inlet tube, by outlet pipe discharge cooling water again, can realize seal assembly's cooling for the temperature remains throughout in suitable within range, is favorable to improving seal assembly's life, has increased the tighrening ring on the axle outer wall of exerting oneself, can improve the tighrening of tighrening ring and between the axle of exerting oneself under the effect of first bolt, has improved the stability of the output of the axle of exerting oneself.

Description

Improved generation sediment stuff pump mechanical seal subassembly

Technical Field

The utility model relates to a sediment stuff pump technical field especially relates to an improved generation sediment stuff pump mechanical seal subassembly.

Background

The slurry pump refers to a device for converting electric energy into kinetic energy and potential energy of a medium by a machine for increasing energy of a solid-liquid mixed medium by the action of centrifugal force (rotation of an impeller of the pump). The method is mainly suitable for the following steps: the fields of mine, power plant, dredging, metallurgy, chemical industry, building materials, petroleum and other industries.

After the mechanical seal subassembly of sediment stuff pump installed, long-time work can lead to seal assembly's temperature rise, and the high temperature can reduce seal assembly's life, and the income power axle of motor can lead to the bolt between income power axle and the dynamic seal ring to take place to rock because of the vibrations of motor simultaneously to reduce the fastening nature between income power axle and the dynamic seal ring.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an improved mechanical seal assembly of a slurry pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an improved generation sediment stuff pump mechanical seal subassembly, includes the machine gland, machine gland one side outer wall is connected with the inlet tube, and machine gland opposite side outer wall is connected with the outlet pipe, the joint is all installed to inlet tube and outlet pipe one end outer wall, machine gland one end outer wall is provided with the tighrening ring, and tighrening ring inner wall connection has the input shaft, tighrening ring inner wall spiro union has first bolt.

Preferably, the outer wall of one end of the mechanical seal gland is provided with a static sealing ring, and second bolts which are distributed equidistantly are screwed between the mechanical seal gland and the static sealing ring.

Preferably, the inner wall of the static sealing ring is rotatably connected with a dynamic sealing ring, and a third bolt is screwed between the input shaft and the dynamic sealing ring.

Preferably, the outer wall of the dynamic sealing ring is provided with symmetrically distributed sliding grooves, and the inner wall of each sliding groove is provided with a sealing ring.

Preferably, the inner wall of the static sealing ring is provided with symmetrically distributed limiting grooves, and the size of the sealing ring is matched with that of the limiting grooves.

Preferably, the outer wall of one end of the movable sealing ring is in threaded connection with fourth bolts which are distributed equidistantly, and the fastening ring is fixedly connected with the movable sealing ring through the fourth bolts.

Preferably, the end of the input shaft far away from the fastening ring is connected with a motor, and the outer wall of the other end of the mechanical seal gland is provided with a mechanical seal box.

The utility model has the advantages that:

1. according to the improved mechanical sealing assembly of the slurry pump, after the connector is connected with the water pipe, cooling water is injected through the water inlet pipe and then discharged through the water outlet pipe, so that the sealing assembly can be cooled, the temperature is always kept in a proper range, and the service life of the sealing assembly is prolonged;

2. this improved generation slurry pump mechanical seal subassembly of design has increased the tighrening ring on the axle outer wall of entrying, can improve the tighrening between tighrening ring and the axle of entrying under the effect of first bolt, has improved the stability of the axle output of entrying.

Drawings

Fig. 1 is a front view of the overall structure of an improved mechanical seal assembly of a slurry pump;

fig. 2 is a schematic view of the overall structure of the mechanical seal assembly of the improved slurry pump according to the present invention;

FIG. 3 is a schematic view of a connecting structure of a fastening ring and an input shaft of the mechanical seal assembly of the improved slurry pump provided by the present invention;

fig. 4 is the utility model provides an improved generation slurry pump mechanical seal assembly's dynamic seal ring connection structure sketch map.

In the figure: 1 machine seal gland, 2 inlet tubes, 3 outlet pipes, 4 joints, 5 fastening rings, 6 input shafts, 7 first bolts, 8 static sealing rings, 9 second bolts, 10 dynamic sealing rings, 11 third bolts, 12 chutes, 13 sealing rings and 14 fourth bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Embodiment 1, refer to fig. 1, an improved generation slurry pump mechanical seal subassembly, including machine seal gland 1, the outer wall connection of 1 one side of machine seal gland has inlet tube 2, and the outer wall connection of 1 opposite side of machine seal gland has outlet pipe 3, joint 4 is all installed to

inlet tube

2 and 3 one end outer walls of outlet pipe, after the water pipe is connected to joint 4, pour into the cooling water into through inlet tube 2, by the 3 discharge cooling water of outlet pipe again, can realize seal assembly's cooling, make the temperature remain throughout in suitable within range, be favorable to improving seal assembly's life.

Embodiment 2, referring to fig. 1 to 4, this embodiment is optimized on the basis of embodiment 1, specifically:

the outer wall of one end of the mechanical seal gland 1 is provided with the fastening ring 5, the inner wall of the fastening ring 5 is connected with the force input shaft 6, the inner wall of the fastening ring 5 is in threaded connection with the first bolt 7, the fastening ring 5 is additionally arranged on the outer wall of the force input shaft 6, the fastening performance between the fastening ring 5 and the force input shaft 6 can be improved under the action of the first bolt 7, and the output stability of the force input shaft 6 is improved;

the outer wall of one end of the mechanical seal gland 1 is provided with a static seal ring 8, a second bolt 9 which is distributed equidistantly is connected between the mechanical seal gland 1 and the static seal ring 8 in a screwed mode, a movable seal ring 10 is connected to the inner wall of the static seal ring 8 in a rotating mode, a third bolt 11 is connected between the input shaft 6 and the movable seal ring 10 in a screwed mode, a sliding groove 12 which is distributed symmetrically is formed in the outer wall of the movable seal ring 10 in a screwed mode, a seal ring 13 is installed on the inner wall of the sliding groove 12, a limiting groove which is distributed symmetrically is formed in the inner wall of the static seal ring 8, the size of the seal ring 13 is matched with the size of the limiting groove, a fourth bolt 14 which is distributed equidistantly is connected to the outer wall of one end of the movable seal ring 10 in a screwed mode, the fastening ring 5 is fixedly connected with the movable seal ring 10 through the fourth bolt 14, one end, the end, far away from the fastening ring 5, of the input shaft 6 is connected with a motor, and the outer wall of the other end of the mechanical seal gland 1 is provided with an organic seal box.

The working principle is as follows: firstly, the static sealing ring 8 is fixed on the sealing gland 1 through the second bolt 9, then the dynamic sealing ring 10 is inserted into the static sealing ring 8, and the sealing ring 13 is ensured to be positioned in a limit groove of the inner wall of the static sealing ring 8, then the input shaft 6 is fixed in the dynamic sealing ring 10 through the third bolt 11, the fastening ring 5 is fixed on the outer wall of one end of the dynamic sealing ring 10 through the fourth bolt 14, the input shaft 6 is fixed in the fastening ring 5 through screwing the first bolt 7, after the joint 4 is connected with a water pipe, cooling water is injected through the water inlet pipe 2, and then the cooling water is discharged through the water outlet pipe 3, so that the temperature of the sealing assembly can be reduced, the temperature is always kept in a proper range, the service life of the sealing assembly is favorably prolonged, the fastening ring 5 is additionally arranged on the outer wall of the input shaft 6, the tightness between the fastening ring 5 and the input shaft 6 can be improved under the action of the first bolt 7, the stability of the output of the input shaft 6 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an improved generation slurry pump mechanical seal subassembly, includes machine seal gland (1), its characterized in that, machine seal gland (1) one side outer wall is connected with inlet tube (2), and machine seal gland (1) opposite side outer wall is connected with outlet pipe (3), joint (4) are all installed to inlet tube (2) and outlet pipe (3) one end outer wall, machine seal gland (1) one end outer wall is provided with tighrening ring (5), and tighrening ring (5) inner wall connection has entry shaft (6), tighrening ring (5) inner wall spiro union has first bolt (7).

2. The improved mechanical seal assembly of the slurry pump according to claim 1, wherein a static seal ring (8) is arranged on the outer wall of one end of the mechanical seal cover (1), and second bolts (9) which are distributed equidistantly are screwed between the mechanical seal cover (1) and the static seal ring (8).

3. The improved mechanical seal assembly of the slurry pump according to claim 2, wherein a dynamic seal ring (10) is rotatably connected to the inner wall of the static seal ring (8), and a third bolt (11) is screwed between the input shaft (6) and the dynamic seal ring (10).

4. The improved mechanical seal assembly of the slurry pump according to claim 3, wherein the outer wall of the dynamic seal ring (10) is provided with symmetrically distributed sliding grooves (12), and the inner wall of the sliding groove (12) is provided with a seal ring (13).

5. The improved mechanical seal assembly of the slurry pump according to claim 2, wherein the inner wall of the static seal ring (8) is provided with symmetrically distributed limit grooves, and the size of the seal ring (13) is matched with the size of the limit grooves.

6. The improved mechanical seal assembly of the slurry pump according to claim 3, wherein the outer wall of one end of the movable seal ring (10) is screwed with fourth bolts (14) which are distributed equidistantly, and the fastening ring (5) is fixedly connected with the movable seal ring (10) through the fourth bolts (14).

7. The improved mechanical seal assembly of the slurry pump according to claim 1, wherein a motor is connected to one end of the input shaft (6) far away from the fastening ring (5), and an organic seal box is arranged on the outer wall of the other end of the mechanical seal cover (1).