CN218564008U

CN218564008U - Double-collecting-pipe rotor pump

Info

Publication number: CN218564008U
Application number: CN202223183298.3U
Authority: CN
Inventors: 王中升; 宋伟; 王庆; 于宪美; 史利山
Original assignee: Shandong Changzhi Energy Equipment Technology Co ltd
Current assignee: Shandong Changzhi Energy Equipment Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-03
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to a two pressure manifold rotor pumps, including the pump body, left rotor chamber shell, right rotary drum, feed liquor pipe, pressure manifold, left rotary drum, drain pipe, mass flow pipe, the pressure manifold is double-barrelled setting from top to bottom, and upper and lower two pressure manifolds set up about mass flow pipe symmetry, and the both ends of the pump body are equipped with the support case, and right rotary drum and left rotary drum rotate respectively through the bearing and install on the support case, are fixed with gear two on the rotary drum of a left side, and the meshing of gear two has gear one, gear a fixedly connected with drive shaft, and the drive shaft rotates and installs on the pump body. The utility model arranges the double collecting pipes symmetrical about the collecting pipe in the left and right rotor cavity shells, which can balance most radial force and has high stability; and a left rotary drum and a right rotary drum are respectively fixed at two ends of a left rotor cavity shell and a right rotor cavity shell, then the left rotary drum and the right rotary drum are rotatably supported on a support frame box through bearings and are driven through a gear set and a driving shaft, so that a support structure at two ends of the rotary drum is formed, and the stability is high.

Description

Double-collecting-pipe rotor pump

Technical Field

The utility model relates to a two pressure manifold rotor pumps belongs to liquid pump technical field.

Background

The rotor pump is often used in the current industrial production, the current rotor pump comprises a pump body, a rotor cavity shell is arranged in the pump body, a collecting pipe is arranged in the rotor cavity shell, a rotary drum is fixedly connected to one side of the rotor cavity shell, a rotary shaft is fixed to the other side of the rotor cavity shell, and the other end of the collecting pipe penetrates through the rotary drum to be connected with a liquid outlet pipe. The pumps in the current market are all single collecting pipes and are in eccentric structures, radial force cannot be balanced, and the running stability is poor; and the mainstream of the market is a cantilever structure, the weight of the rotary drum is heavy, and the stability is poor during high-speed operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-collecting pipe rotor pump, which solves the problems that the prior pump is a single collecting pipe, has an eccentric structure, can not balance radial force and has poor operation stability; and the main stream of the market is a cantilever structure, the weight of the rotary drum is heavy, and the stability is poor during high-speed operation.

The utility model relates to a two pressure manifold rotor pumps, which comprises a pump body, be equipped with mutual fixed connection's left rotor chamber shell and right rotor chamber shell in the pump body, the right-hand member fixedly connected with right rotary drum of right rotor chamber shell, the right-hand member that turns round the drum right-hand member and is connected with the feed liquor pipe, be equipped with the pressure manifold in left rotor chamber shell and the right rotor chamber shell, the left end of left rotor chamber shell is fixed with left rotary drum, left rotary drum left end is connected with the drain pipe, be equipped with the mass flow pipe in the drum that turns left, mass flow pipe right-hand member and pressure manifold fixed connection, the pressure manifold is double-barrelled setting from top to bottom, upper and lower double-pressure manifold sets up about mass flow pipe symmetry, the both ends of the pump body are equipped with the support frame case, right rotary drum and left rotary drum rotate respectively through the bearing and install on the support frame case, be fixed with gear two on the left rotary drum, gear two meshes there is gear one, gear fixedly connected with the drive shaft, the drive shaft rotates and installs on the pump body.

Preferably, the outer ends of the supporting frame boxes on the left side and the right side are respectively fixed with a left end cover and a right end cover, the left end of the flow collecting guide pipe is fixed with the left end cover, the liquid outlet pipe is fixed at the outer end of the left end cover, a first through hole communicated with the liquid outlet pipe and the flow collecting guide pipe is formed in the left end cover, the liquid inlet pipe is fixed on the outer side of the right end cover, and a second through hole communicated with the liquid inlet pipe and the right rotary drum is formed in the right end cover.

Preferably, the inner sides of the left end cover and the right end cover are respectively provided with a first mechanical seal and a second mechanical seal, the first mechanical seal and the second mechanical seal both comprise a static ring seat, a static sealing ring, a dynamic sealing ring and a dynamic sealing ring seat, the static ring seats on the left side and the right side are respectively fixed on the left end cover and the right end cover, the static sealing ring is installed in an installation groove of the static sealing ring seat, the static sealing ring on the left side is sleeved on the flow collection guide pipe, the dynamic sealing ring is sleeved on the dynamic sealing ring seat, a spring is arranged between the dynamic sealing ring seat and the dynamic sealing ring seat, the static sealing ring is in contact with the dynamic sealing ring, and the dynamic sealing ring seats on the left side and the right side are respectively fixed on the left rotary drum and the right rotary drum. Both ends can be sealed to prevent liquid leakage.

Preferably, a sealing gasket is arranged between the static sealing ring and the static ring seat, sealing rings are arranged between the movable sealing rings on the left side and the right side and between the left rotary drum and the right rotary drum, and a protecting sleeve fixed on the static ring seat is arranged on the outer side of each movable sealing ring, so that the sealing effect is better.

The utility model discloses, following beneficial effect has:

double collecting pipes which are symmetrical about the collecting pipe are arranged in the left rotor cavity shell and the right rotor cavity shell, most radial force can be balanced, and stability is high; and the left and right rotary drums are respectively fixed at the two ends of the left and right rotor cavity shells, are rotatably supported on the support frame box through bearings and are driven by the gear set and the driving shaft to form a support structure at the two ends of the rotary drum, and the stability is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a first mechanical seal;

FIG. 3 is a structural schematic view of a second mechanical seal;

in the figure: 1. the device comprises a liquid outlet pipe, 2, a collecting conduit, 3, a gear II, 4, a driving shaft, 5, a gear I, 6, a left rotor cavity shell, 7, a pump body, 8, a right rotor cavity shell, 9, a collecting pipe, 10, a right rotary drum, 11, a protecting sleeve, 12, a liquid inlet pipe, 13, a right end cover, 14, a supporting frame box, 15, a left rotary drum, 16, a bearing, 17, a stationary ring seat, 18 and a left end cover. 19. The sealing device comprises a sealing movable ring, a sealing gasket, a sealing static ring, a sealing gasket, a sealing movable ring seat, a sealing static ring, a sealing movable ring seat and a sealing static ring, wherein the sealing movable ring 20, the sealing gasket 21, the sealing gasket 22, the sealing static ring 23, the movable ring seat 24 and a spring are arranged on the sealing static ring.

Detailed Description

The present invention will be further described with reference to the following examples.

Embodiment 1, as shown in fig. 1, the utility model relates to a double collecting pipe rotor pump, which comprises a pump body 7, wherein a left rotor cavity shell 6 and a right rotor cavity shell 8 which are fixedly connected with each other through bolts are arranged in the pump body 7, the right end of the right rotor cavity shell 8 is fixedly connected with a right rotary drum 10, the right end of the right rotary drum 10 is connected with a liquid inlet pipe 12, collecting pipes 9 are arranged in the left rotor cavity shell 6 and the right rotor cavity shell 8, a left rotary drum 15 is fixed at the left end of the left rotor cavity shell 6, a liquid outlet pipe 1 is connected at the left end of the left rotary drum 15, a collecting pipe 2 is arranged in the left rotary drum 15, and a gap is arranged between the collecting pipe 2 and the inner wall of the left rotary drum 15; the right end of the collecting pipe 2 is fixedly connected with the collecting pipe 9, the collecting pipe 9 is formed by an upper pipe and a lower pipe, the upper double collecting pipe 9 and the lower double collecting pipe 9 are symmetrically arranged relative to the collecting pipe 2, the two ends of the pump body 7 are provided with support frame boxes 14, the right-turning drum 10 and the left-turning drum 15 are respectively rotatably arranged on the support frame boxes 14 through bearings 16, a second gear 3 is fixed on the left-turning drum 15, the second gear 3 is meshed with a first gear 5, the first gear 5 is fixedly connected with a driving shaft 4, and the driving shaft 4 is rotatably arranged on the pump body 7.

The outer ends of the support frame boxes 14 on the left side and the right side are respectively fixed with a left end cover 18 and a right end cover 13, the left end of the collecting pipe 2 is fixed with the left end cover 18, the liquid outlet pipe 1 is fixed at the outer end of the left end cover 18, a first through hole communicated with the liquid outlet pipe 1 and the collecting pipe 2 is formed in the left end cover 18, the liquid inlet pipe 12 is fixed on the outer side of the right end cover 13, and a second through hole communicated with the liquid inlet pipe 12 and the right rotary drum 10 is formed in the right end cover 13. Sealing gaskets are arranged among the left end cover 18, the right end cover 13 and the support frame box 14, the sealing gasket is arranged between the liquid outlet pipe 1 and the left end cover 18, and the sealing gasket is arranged between the liquid inlet pipe 12 and the right end cover 13.

The working principle is as follows: liquid enters from the liquid inlet pipe 12 and then enters the inner cavities of the left rotor cavity shell 6 and the right rotor cavity shell 8 through the inner hole of the right rotary drum 10, centrifugal force is generated in the rotary left rotor cavity shell 6 and the rotary right rotor cavity shell 8 at the moment, the liquid is pressed to enter the collecting pipe 2 through the upper collecting pipe 9 and the lower collecting pipe 9, and then the liquid is discharged from the liquid outlet pipe 1. When the collecting pipe works, the collecting pipe 9 is a double collecting pipe which is symmetrical about the collecting pipe 2, most of radial force can be balanced, and the stability is high; and the left and right rotating drums are respectively fixed at the two ends of the left and right rotor cavity shells, then the left and right rotating drums are rotatably supported on the supporting frame box 14 through the bearing 16 and are driven by the gear set and the driving shaft 4, so that a supporting structure at the two ends of the rotating drum is formed, and the stability is high.

In embodiment 2, as shown in fig. 2 and 3, based on embodiment 1, a first mechanical seal and a second mechanical seal are respectively disposed on inner sides of a left end cover 18 and a right end cover 13, each of the first mechanical seal and the second mechanical seal includes a stationary ring seat 17, a stationary seal ring 22, a movable seal ring 19 and a movable ring seat 23, the stationary ring seats 17 on left and right sides are respectively fixed on the left end cover 18 and the right end cover 13, the stationary seal ring 22 is mounted in a mounting groove of the stationary seal ring seat 17, the stationary seal ring 22 on left side is sleeved on the collecting pipe 2, the movable seal ring 19 is sleeved on the movable seal ring seat 23, a spring 24 is disposed between the movable seal ring seat 23 and the movable seal ring seat 23, the stationary seal ring 22 is in contact with the movable seal ring 19, and the movable seal ring seats 23 on left and right sides are respectively fixed on the left rotary drum 15 and the right rotary drum 10.

A sealing gasket 21 is arranged between the static sealing ring 22 and the static ring seat 17, sealing rings 20 are arranged between the dynamic sealing rings 19 on the left side and the right side and between the left-turning drum 15 and the right-turning drum 10, and a protecting sleeve 11 fixed on the static ring seat 17 is arranged on the outer side of the dynamic sealing ring 19.

When the device works, the first mechanical seal can seal the left end of the left rotary drum 15, and the second mechanical seal can seal the right end of the right rotary drum 10 to prevent liquid leakage.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Claims

1. The utility model provides a two pressure manifold rotor pumps, includes the pump body (7), is equipped with the sub-shell of left rotor (6) and the sub-shell of right rotor (8) of mutual fixed connection in the pump body (7), and the right-hand member fixedly connected with right rotary drum (10) of the sub-shell of right rotor (8), and right rotary drum (10) right-hand member is connected with feed liquor pipe (12), is equipped with pressure manifold (9), its characterized in that in the sub-shell of left rotor (6) and the sub-shell of right rotor (8): the left rotor chamber shell (6) the left end is fixed with left rotary drum (15), left rotary drum (15) left end is connected with drain pipe (1), be equipped with mass flow pipe (2) in left rotary drum (15), mass flow pipe (2) right-hand member and pressure manifold (9) fixed connection, pressure manifold (9) are double-barrelled setting from top to bottom, two pressure manifold (9) from top to bottom set up about mass flow pipe (2) symmetry, the both ends of the pump body (7) are equipped with support frame case (14), right rotary drum (10) and left rotary drum (15) rotate respectively through bearing (16) and install on support frame case (14), be fixed with gear two (3) on left rotary drum (15), gear two (3) meshing has gear (5), gear one (5) fixedly connected with drive shaft (4), drive shaft (4) are rotated and are installed on the pump body (7).

2. A double manifold rotodynamic pump in accordance with claim 1, wherein: the support frame box (14) outer end of the left side and the right side is fixed with a left end cover (18) and a right end cover (13) respectively, the left end of the flow collecting guide pipe (2) is fixed with the left end cover (18), the liquid outlet pipe (1) is fixed at the outer end of the left end cover (18), a first through hole for communicating the liquid outlet pipe (1) with the flow collecting guide pipe (2) is formed in the left end cover (18), the liquid inlet pipe (12) is fixed at the outer side of the right end cover (13), and a second through hole for communicating the liquid inlet pipe (12) with the right rotary drum (10) is formed in the right end cover (13).

3. A double manifold rotodynamic pump in accordance with claim 2, wherein: the inner sides of the left end cover (18) and the right end cover (13) are respectively provided with a mechanical seal I and a mechanical seal II, the mechanical seal I and the mechanical seal II respectively comprise a static ring seat (17), a seal static ring (22), a seal movable ring (19) and a movable ring seat (23), the static ring seats (17) on the left side and the right side are respectively fixed on the left end cover (18) and the right end cover (13), the seal static ring (22) is installed in an installation groove of the static ring seat (17), the seal static ring (22) on the left side is sleeved on the flow collecting guide pipe (2), the seal movable ring (19) is sleeved on the movable ring seat (23), a spring (24) is arranged between the seal movable ring seat and the movable ring seat (23), the seal static ring (22) is in contact with the seal movable ring (19), and the movable ring seats (23) on the left side and the right side are respectively fixed on the left rotary drum (15) and the right rotary drum (10).

4. A double manifold rotodynamic pump in accordance with claim 3, wherein: a sealing gasket (21) is arranged between the sealing static ring (22) and the static ring seat (17), sealing rings (20) are arranged between the sealing moving rings (19) on the left side and the right side and between the left rotary drum (15) and the right rotary drum (10), and a protecting sleeve (11) fixed on the static ring seat (17) is arranged on the outer side of the sealing moving rings (19).