CN112692771B - Ring tube axial-flow pump dismounting device - Google Patents
Ring tube axial-flow pump dismounting device Download PDFInfo
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- CN112692771B CN112692771B CN201911011152.0A CN201911011152A CN112692771B CN 112692771 B CN112692771 B CN 112692771B CN 201911011152 A CN201911011152 A CN 201911011152A CN 112692771 B CN112692771 B CN 112692771B
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- pump
- shaft
- long shaft
- adjusting
- movable part
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a dismounting device for a circulating tube axial-flow pump, which comprises a tubular pump body, a long shaft coaxially arranged in the pump body, a positioning mechanism and a limiting mechanism, wherein the shaft end of the long shaft is positioned at the position of a central line in the pump; the adjusting part is used for adjusting the relative position of the long shaft end and the limiting mechanism. Before the staff dismantles ring canal axial-flow pump, fix the positioning mechanism in this device in pump inlet outlet department, will adjust and cooperate with stop gear through the regulating part, make major axis end in central line to make the pump avoid the major axis to lead to the tang of machine seal and the damage that pump body inner wall contact closely caused the machine seal can't be located or spare part because of off-centre at the in-process of dismantling, whole in-process easy operation and stability are good, the dismantlement of ring canal axial-flow pump machine seal of being convenient for. The invention has the advantage that the long shaft in the ring pipe axial-flow pump in disassembly is kept to be positioned on the same axial center line with the axial center of the pump body.
Description
Technical Field
The invention belongs to the technical field of pump body disassembly, and particularly relates to a disassembling device for a circulating axial-flow pump.
Background
The ring canal axial-flow pump is mainly applied to polyethylene and polypropylene devices, the shaft in the ring canal axial-flow pump is too long, the disassembly process is carried out, the long shaft is not in a horizontal state due to the gravity action of the shaft, the machine seal of the ring canal axial-flow pump is provided with a seam allowance, the seam allowance of the machine seal is tightly contacted with the inner wall of a pump body under the action of the eccentric force of the shaft, the machine seal can not be taken out or parts are damaged easily, and the disassembly of the axial-flow pump is time-consuming and labor-consuming and is easy to damage the parts.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a dismounting device for a circulating axial flow pump. The invention has the advantage that the long shaft in the ring pipe axial-flow pump in disassembly is kept to be positioned on the same axial center line with the axial center of the pump body.
In order to realize the purpose, the invention adopts the following technical scheme:
a dismounting device for a circular tube axial-flow pump comprises a tubular pump body, a long shaft coaxially arranged in the pump body, a positioning mechanism and a limiting mechanism, wherein the shaft end of the long shaft is positioned at the position of a central line in the pump; the adjusting part is used for adjusting the relative position of the long shaft end and the limiting mechanism.
The positioning mechanism comprises a positioning seat fixedly communicated with the inlet and the outlet of the pump, the limiting mechanism comprises a movable part arranged at the inlet and the outlet of the pump, and the positioning mechanism further comprises a plurality of fixing rods used for connecting the positioning seat and the movable part.
The adjusting parts are arranged in the radial direction of the movable part and are symmetrically distributed on the circumference; a plurality of radial thread adjusting holes are symmetrically formed in the vertical plane of the movable part and the long shaft, shaft limiting holes in the same direction as the long shaft are axially formed in the middle of the movable part, and each thread adjusting hole is communicated with each shaft limiting hole; the adjusting part is in threaded connection with the threaded adjusting hole.
The number of the adjusting parts is 4-8.
One end of the long shaft in the pump, which is close to the inlet and the outlet of the pump, is connected with the movable part.
And a connecting pin in threaded connection with the axis of the shaft end of the long shaft is axially arranged in the shaft limiting hole, the diameter of the connecting pin is smaller than that of the shaft limiting hole, and the length of the connecting pin, which deviates from one end of the long shaft, is enough to enable the long shaft to be movably limited in the shaft limiting hole in the dismounting process.
The shaft limiting hole is a through hole, and one end, far away from the long shaft, of the connecting pin penetrates through the shaft limiting hole and extends to one side, far away from the long shaft, of the movable part.
The adjusting part consists of a first rod piece and a second rod piece, the first end of the first rod piece is sleeved on the second end of the second rod piece and is in threaded connection, the second end of the first rod piece is fixedly connected or inserted into the inner wall of the positioning seat, and the second end of the second rod piece is provided with external threads which are screwed into the threaded adjusting hole of the movable part to adjust the long shaft to be horizontal; the inserting connection is that one end of the adjusting part is arranged in a concave part arranged on the inner wall of the positioning seat, the end part of the adjusting part is in running fit with the concave part, and the depth of the concave part is enough for the adjusting part to move in the radial direction at the inlet and the outlet of the pump.
The adjusting part comprises a third rod piece, the third rod piece is provided with an external thread which penetrates through the thread adjusting hole of the movable part in a spiral mode, the long shaft is adjusted to reach the level, and the third rod piece is arranged along the periphery of the movable part in a symmetrical mode.
The movable part is a circular plate which is vertically arranged, and the central axis of the circular plate is in the same direction with the long axis; the positioning seat is a circular ring flange.
The invention has the advantages that:
(1) before the staff dismantles ring canal axial-flow pump, fix the positioning mechanism in this device in pump inlet outlet department, will adjust and cooperate with stop gear through the regulating part, make major axis end in central line to the pump is avoided the major axis to be eccentric at the in-process of dismantling, and the tang that leads to the machine to seal closely causes the damage of the unable department of machine seal or spare part with the contact of pump body inner wall, whole in-process easy operation and stability are good, the dismantlement of the ring canal axial-flow pump machine seal of being convenient for. The invention has the advantage that the long shaft in the ring pipe axial-flow pump in disassembly is kept to be positioned on the same axial center line with the axial center of the pump body.
(2) The positioning seat is used, so that the device can be stably connected with the pump body, and the accuracy and the stability of the limiting mechanism in the using process are ensured.
(3) The invention can adjust the position of the long shaft end more quickly and accurately by using the plurality of adjusting parts, and the adjusting parts can enable the adjusted long shaft end to be stably positioned at the central line position of the inlet and the outlet of the pump.
(4) The invention can not only adjust the position of the end part of the long shaft, but also stably limit the position of the adjusted end part of the long shaft by using the movable part and the shaft limiting hole arranged on the movable part, so that the end part of the long shaft is kept at a proper position.
(5) The connecting pin can be conveniently connected with the long shaft by using the connecting pin, so that the end part of the long shaft is positioned by matching with the shaft limiting hole on the movable part.
(6) According to the invention, through the arrangement of the adjusting part, the adjusting part can ensure that the positioning seat and the movable part are stably connected, and the relative position between the positioning seat and the movable part can be accurately adjusted.
(7) The invention can assist the adjusting part in limiting the relative position between the positioning seat and the movable part by using the fixing rod.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention in use.
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention.
FIG. 3 is a schematic diagram of a partial enlargement of a display device according to an embodiment of the present invention
Fig. 4 is a schematic cross-sectional view of a second structure according to an embodiment of the present invention.
FIG. 5 is a schematic side view of an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
The notations in the figures have the following meanings:
10-positioning mechanism 11-positioning seat 12-concave part 13-fixing rod
20-limiting mechanism 21-movable part 211-shaft limiting hole 212-thread adjusting hole
23-connecting pin 30-adjusting part 31-first rod 32-second rod
33-rod three 40-long shaft 41-pump
Detailed Description
As shown in fig. 1 to 6, a dismounting device for a toroidal axial-flow pump comprises a tubular pump body and a long shaft coaxially arranged in the pump body, and further comprises a positioning mechanism 10 and a limiting mechanism 20 for enabling the shaft end of the long shaft 40 to be located at the position of the central line in the pump 41; the adjusting part 30 is used for adjusting the relative position of the shaft end of the long shaft 40 and the limiting mechanism 20.
The positioning mechanism 10 comprises a positioning seat 11 fixedly communicated with the inlet and the outlet of the pump 41, the limiting mechanism 20 comprises a movable part 21 arranged at the inlet and the outlet of the pump 41, the positioning mechanism 10 further comprises a plurality of fixing rods 13 used for connecting the positioning seat 11 and the movable part 21, and the fixing rods 13 are arranged vertically or obliquely, see fig. 2 and 4.
The plurality of adjusting parts 30 are arranged in the radial direction of the movable part 21 and are symmetrically distributed on the circumference; a plurality of radial thread adjusting holes are symmetrically arranged on the vertical plane of the movable part 21 and the long shaft 40, a shaft limiting hole in the same direction as the long shaft 40 is axially arranged in the middle of the movable part 21, and each thread adjusting hole is communicated with the shaft limiting hole; the adjustment portion 30 is threadedly engaged with the threaded adjustment hole, see fig. 1, 2, 3, 4.
The number of the adjusting parts 30 is 4-8.
One end of the long shaft 40 in the pump 41, which is close to the inlet and outlet of the pump 41, is connected to the movable portion 21.
A connecting pin 23 in threaded connection with the axial center of the shaft end of the long shaft 40 is axially arranged in the shaft limiting hole, the diameter of the connecting pin 23 is smaller than that of the shaft limiting hole, and the length of one end, away from the long shaft 40, of the connecting pin 23 is enough to limit the movement of the long shaft 40 in the shaft limiting hole in the dismounting process, which is shown in fig. 1, 2, 4, 5 and 6.
The shaft limiting hole is a through hole, and one end of the connecting pin 23, which is far away from the long shaft 40, penetrates through the shaft limiting hole and extends to one side of the movable part 21, which is far away from the long shaft 40, see fig. 1, 2, 3 and 4.
The adjusting portion 30 is composed of a first rod piece 31 and a second rod piece 32, a first end of the first rod piece 31 is sleeved on the outer portion of a second end of the second rod piece 32 and is in threaded connection, the second end of the first rod piece 31 is fixedly connected with or inserted into the inner wall of the positioning seat 11, and a second end of the second rod piece 32 is provided with an external thread which is screwed into a threaded adjusting hole of the movable portion 21 to adjust the long shaft 40 to be horizontal; in the insertion, one end of the adjusting portion 30 is disposed in a concave portion formed in the inner wall of the positioning seat 11, and an end portion of the adjusting portion forms a rotating fit with the concave portion 12, and the depth of the concave portion 12 is enough for the adjusting portion 30 to radially move at the inlet and the outlet of the pump 41, as shown in fig. 4, 5, and 6.
The adjusting portion 30 includes a third rod member 33, the third rod member 33 is provided with an external thread which is screwed through the thread adjusting hole of the movable portion 21 to adjust the long shaft 40 to reach a horizontal state, and the third rod member 33 is symmetrically arranged along the periphery of the movable portion 21, as shown in fig. 1, 2 and 3.
The movable part 21 is vertically arranged in a circular plate shape, and the central axis of the circular plate is in the same direction with the long shaft 40; the positioning seat 11 is a circular ring flange.
The operation of the device is described in detail below with reference to the drawings in the examples.
Before a worker needs to disassemble the circular tube axial-flow pump, the positioning seat 11 is fixed at the inlet and the outlet of the pump 41 by using a flange, then the movable part 21 is roughly adjusted, and the long shaft 40 is rotated to enable the movable part 21 and the axis of the long shaft 40 to be in proper positions; the movable portion 21 is then fine-tuned by inserting the connecting pin 23 into the shaft-limiting hole and adjusting the adjustment portion 30 so that the connecting pin 23 corresponds to the long shaft near the outlet end of the pump 41, see fig. 1.
After the coarse adjustment and the fine adjustment are well adjusted, at this time, the axis extension line of the long shaft 40 can pass through the shaft limiting hole, the connecting pin 23 penetrates through the shaft limiting hole and is in threaded connection with a threaded hole formed in the end head of the long shaft 40 close to the shaft limiting hole, and the end of the connecting pin 23 departing from the long shaft 40 is located in the shaft limiting hole, which is shown in the attached drawings 1, 2, 3 and 4.
After the above-mentioned work is completed, the disassembly operation of the bustle pipe axial-flow pump can be started, so that in the disassembly process of the bustle pipe axial-flow pump, the end of the long shaft 40, which is positioned at the inlet and the outlet of the pump 41, can not be deviated due to the action of gravity, and the disassembly of the bustle pipe axial-flow pump can be smoothly carried out.
The invention is not limited to the specific embodiments described above, but rather should be construed as broadly as possible, and all changes, equivalents and improvements that fall within the spirit and scope of the invention are intended to be embraced therein.
Claims (5)
1. The utility model provides a ring pipe axial-flow pump dismounting device, includes the tubulose pump body and coaxial setting and is in major axis in the pump body, its characterized in that: the pump also comprises a positioning mechanism (10) and a limiting mechanism (20) which enables the shaft end of the long shaft (40) to be positioned at the position of the central line in the pump (41); the adjusting part (30) is used for adjusting the relative position of the shaft end of the long shaft (40) and the limiting mechanism (20);
the positioning mechanism (10) comprises a positioning seat (11) fixedly communicated with the inlet and the outlet of the pump (41), the limiting mechanism (20) comprises a movable part (21) arranged at the inlet and the outlet of the pump (41), and the positioning mechanism (10) further comprises a plurality of fixing rods (13) used for connecting the positioning seat (11) and the movable part (21);
the adjusting parts (30) are arranged in the radial direction of the movable part (21) and are symmetrically distributed on the circumference; a plurality of radial thread adjusting holes are symmetrically formed in the vertical plane of the movable part (21) and the long shaft (40), a shaft limiting hole in the same direction as the long shaft (40) is axially formed in the middle of the movable part (21), and each thread adjusting hole is communicated with the shaft limiting hole; the adjusting part (30) is in threaded connection with the threaded adjusting hole;
a connecting pin (23) in threaded connection with the axial center of the shaft end of the long shaft (40) is axially arranged in the shaft limiting hole, the diameter of the connecting pin (23) is smaller than that of the shaft limiting hole, and the length of one end, deviating from the long shaft (40), of the connecting pin (23) is enough to enable the long shaft (40) to be movably limited in the shaft limiting hole in the dismounting process;
the shaft limiting hole is a through hole, and one end, far away from the long shaft (40), of the connecting pin (23) penetrates through the shaft limiting hole and extends to one side, far away from the long shaft (40), of the movable part (21);
the movable part (21) is vertically arranged in a circular plate shape, and the central axis of the circular plate is in the same direction with the long axis (40); the positioning seat (11) is a circular ring flange.
2. The toroidal axial-flow pump dismounting device according to claim 1, characterized in that: the number of the adjusting parts (30) is 4-8.
3. The toroidal axial-flow pump dismounting device according to claim 1, characterized in that: one end of the long shaft (40) in the pump (41), which is close to the inlet and the outlet of the pump (41), is connected with the movable part (21).
4. The annular tube axial-flow pump dismounting device according to claim 1, characterized in that: the adjusting part (30) consists of a first rod piece (31) and a second rod piece (32), the first end of the first rod piece (31) is sleeved on the outer portion of the second end of the second rod piece (32) in threaded connection, the second end of the first rod piece (31) is fixedly connected with or inserted into the inner wall of the positioning seat (11), and the second end of the second rod piece (32) is provided with an external thread which is screwed into the threaded adjusting hole of the movable part (21) to adjust the long shaft (40) to be horizontal; the inserting connection is that one end of the adjusting part (30) is arranged in a concave part arranged on the inner wall of the positioning seat (11), the end part of the adjusting part forms a running fit with the concave part (12), and the depth of the concave part (12) is enough for the adjusting part (30) to move radially at the inlet and the outlet of the pump (41).
5. The annular tube axial-flow pump dismounting device according to claim 1, characterized in that: the adjusting part (30) comprises a third rod piece (33), the third rod piece (33) is provided with an external thread which penetrates through the thread adjusting hole of the movable part (21) in a spiral mode, the long shaft (40) is adjusted to reach the level, and the third rod piece (33) is arranged along the periphery of the movable part (21) in a symmetrical mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911011152.0A CN112692771B (en) | 2019-10-23 | 2019-10-23 | Ring tube axial-flow pump dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911011152.0A CN112692771B (en) | 2019-10-23 | 2019-10-23 | Ring tube axial-flow pump dismounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112692771A CN112692771A (en) | 2021-04-23 |
| CN112692771B true CN112692771B (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911011152.0A Active CN112692771B (en) | 2019-10-23 | 2019-10-23 | Ring tube axial-flow pump dismounting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112692771B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202937513U (en) * | 2012-10-25 | 2013-05-15 | 中国石油化工股份有限公司 | Pump shaft corrector |
| US9272403B2 (en) * | 2014-01-06 | 2016-03-01 | Jun-Fun Chen | Adjustable dismantling tool for annular member |
| CN104191388A (en) * | 2014-07-29 | 2014-12-10 | 成都远峰科技发展有限公司 | Device for positioning and installing plunger rod of air cylinder |
| CN205129714U (en) * | 2015-09-30 | 2016-04-06 | 莱芜钢铁集团有限公司 | A instrument for dismantling piston rod |
| CN109396816B (en) * | 2018-12-14 | 2020-11-17 | 重庆江增船舶重工有限公司 | Auxiliary tool and method for axially assembling and disassembling precise parts of turbine type main machine |
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2019
- 2019-10-23 CN CN201911011152.0A patent/CN112692771B/en active Active
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| Publication number | Publication date |
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| CN112692771A (en) | 2021-04-23 |
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