CN220979947U - Connection structure convenient to long-axis pump shaft coupling clearance adjustment - Google Patents
Connection structure convenient to long-axis pump shaft coupling clearance adjustment Download PDFInfo
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- CN220979947U CN220979947U CN202322709802.7U CN202322709802U CN220979947U CN 220979947 U CN220979947 U CN 220979947U CN 202322709802 U CN202322709802 U CN 202322709802U CN 220979947 U CN220979947 U CN 220979947U
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- pump shaft
- seat
- regulation
- bearing box
- base
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- 230000008878 coupling Effects 0.000 title claims abstract description 31
- 238000010168 coupling process Methods 0.000 title claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a connection structure convenient to major axis pump shaft coupling clearance adjustment, includes water pipe and return bend, water pipe upper end and return bend connection are provided with the pump shaft in the water pipe, the return bend upper end is provided with the mount pad, and processing has the installing port in the middle of the mount pad, and the bearing box is installed to installing port department, install the pump shaft motor on the mount pad, the bearing box is passed to the pump shaft upper end and is connected with the output of pump shaft motor through the shaft coupling, installing port department is provided with the regulation seat, is provided with the through-hole in the middle of the regulation seat, and regulation seat peripheral processing has the mounting hole, the bearing box is connected on the regulation seat, the regulation seat includes the base, and the base top is provided with a plurality of regulation cushion, utilizes the installation accuracy of regulation cushion control shaft coupling. According to the utility model, by adding the adjusting seat, the distance L between the upper end face of the pump shaft and the end face of the motor bracket can meet the design requirement, the installation precision of the coupler is improved, meanwhile, the influence of the accumulated errors of the axial dimension on the unit can be ignored, and the cost of the production process is reduced.
Description
Technical Field
The utility model relates to the technical field of water pumps, in particular to a connecting structure convenient for adjusting a gap of a long-shaft pump coupler.
Background
The bearing box of the long-axis pump is connected with the pump body through a bolt, the bearing box is directly fixed on a water outlet pipeline flange of the pump body through the bolt, as shown in fig. 3, the bearing box is fixed on the pump body, the pump shaft penetrates through the bearing box and is connected with the pump motor through a coupler, and the accuracy of a coupler gap L1 mainly depends on the machining accuracy of parts; however, as the long-axis pump is generally longer, the number of the joints of the water pumping pipe and the pump shaft is more, and the axial accumulated error of the unit is larger, the distance L between the upper end surface of the pump shaft and the end surface of the motor bracket is too large or too small, and the accuracy of L1 is difficult to control.
When the coupling component adopts an elastic sleeve pin coupling, the coupling gap L1 is too large or too small and does not meet the requirements of national standard coupling gaps, so that the service life of the elastic ring is low; when the coupling component adopts a diaphragm coupling, the distance L between the upper end face of the pump shaft and the end face of the motor bracket does not allow excessive deviation, otherwise, the phenomenon that the pump shaft penetrates out of the coupling or the pump shaft is recessed into the coupling is easy to occur.
Therefore, the high-precision dimension processing increases the processing and detection difficulty, and the cost is high.
Disclosure of utility model
The technical problem to be solved by the utility model is to provide a connecting structure which is convenient for adjusting the gap of the long shaft pump coupler aiming at the defects in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a connection structure convenient to major axis pump shaft coupling clearance adjustment, includes water pipe and return bend, water pipe upper end and return bend connection are provided with the pump shaft in the water pipe, the return bend upper end is provided with the mount pad, and processing has the installing port in the middle of the mount pad, and the bearing box is installed to installing port department, the motor support is installed in the outside on the mount pad, and the pump shaft motor is installed to motor support upper end, the bearing box is passed to the pump shaft upper end and is connected with the output of pump shaft motor through the shaft coupling, installing port department is provided with the regulation seat, is provided with the through-hole in the middle of the regulation seat, and the peripheral processing of regulation seat has the mounting hole, the bearing box is connected on the regulation seat, and the bolt is worn to be equipped with in the bearing box periphery, and the bolt passes regulation seat and mount pad locking, the regulation seat includes the base, and the base top is provided with a plurality of regulation cushion, utilizes the installation accuracy of regulation cushion control shaft coupling.
Further, a first clamping block is machined on the periphery of the bottom of the base, the first clamping block is clamped at the mounting opening, a second clamping block is machined on the periphery of the adjusting cushion block, and the adjusting cushion block is positioned on the base after being sequentially overlapped through the second clamping block.
Further, the height of base is 20mm, adjusts thickness 5mm of cushion, is provided with four and adjusts the cushion above the base.
Further, a thrust seat, a plane bearing and a radial bearing are arranged in the bearing box, the pump shaft is connected with the thrust seat through a key block, the radial bearing is arranged on the outer side of the thrust seat, and the plane bearing is arranged at the bottom of the thrust seat.
Compared with the prior art, the connecting structure convenient for adjusting the gap of the long shaft pump coupler has the advantages that the adjusting seat is added, so that the distance L between the upper end face of the pump shaft and the end face of the motor bracket can meet the design requirement, the mounting precision of the coupler is improved, the phenomenon that the pump shaft of the diaphragm coupler is recessed into the coupler or protrudes out of the coupler is solved, the stress of the elastic ring of the elastic sleeve pin coupler is more uniform, and the service life of the elastic ring is prolonged; neglecting the influence of the accumulated errors of the axial dimension on the unit, compensating by adjusting the thickness of the seat, and having controllable precision, convenient processing and detection and reduced production process cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the adjusting seat of the present utility model;
FIG. 3 is a schematic diagram of the pump shaft installation of the original long shaft pump;
Wherein, 1 part of the water lifting pipe, 2 parts of the water lifting pipe, 3 parts of the elbow pipe, 3 parts of the pump shaft, 4 parts of the mounting seat, 5 parts of the bearing box, 6 parts of the thrust seat, 7 parts of the plane bearing, 8 parts of the radial bearing, 9 parts of the motor bracket, 10, a pump shaft motor 11, a first coupling part 12, a second coupling part 13, an adjusting seat 14, a base 15, an adjusting cushion block 16, a first clamping block 17 and a second clamping block.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below.
As shown in fig. 1 and 2, a connection structure convenient to long-axis pump shaft coupling clearance adjustment, including lifting pipe 1 and return bend 2, lifting pipe 1 upper end and return bend 2 are connected, are provided with pump shaft 3 in the lifting pipe 1, and pump shaft 3 is formed by many minor axis interconnect, return bend 2 upper end is provided with mount pad 4, and processing has the installing port in the middle of the mount pad 4, and bearing box 5 is installed to the installing port department, and pump shaft 3 passes bearing box 4, be provided with thrust seat 6, plane bearing 7 and radial bearing 8 in the bearing box 5, pump shaft 3 passes through the key piece and is connected with thrust seat 6, radial bearing 8 sets up in thrust seat 6 outside, and plane bearing 7 sets up in thrust seat 6 bottom, through the combination of radial bearing 8 and plane bearing 7, reduces the frictional force when pump shaft 3 rotates, motor bracket 9 is installed in the outside on the mount pad 4, and is installed pump shaft motor 10 in the motor bracket 9 upper end, pump shaft 3 upper end passes bearing box 5 and is connected with coupling part one 11, and the output of pump shaft motor 10 is connected with coupling part two 12, coupling part two 11 each other between coupling part two.
In order to adjust the distance L between the upper end face of the pump shaft 3 and the end face of the motor support 9 and ensure the precision L1 between the first coupler part 11 and the second coupler part 12, an adjusting seat 13 is arranged at the mounting opening, a through hole is arranged in the middle of the adjusting seat 13, mounting holes are formed in the periphery of the adjusting seat 13, the bearing box 5 is connected to the adjusting seat 13, bolts penetrate through the periphery of the bearing box 5, and the bolts penetrate through the adjusting seat 13 and are locked with the mounting seat 4.
The adjusting seat 13 comprises a base 14, a plurality of adjusting cushion blocks 15 are arranged above the base 14, the accuracy between the first coupling component 11 and the second coupling component 12 is controlled by the adjusting cushion blocks 15, two first clamping blocks 16 are machined on the periphery of the bottom of the base 14, the first clamping blocks 16 are clamped at the mounting opening, the base 14 is positioned, two second clamping blocks 17 are machined on the periphery of the adjusting cushion blocks 15, and the adjusting cushion blocks 15 are sequentially overlapped through the second clamping blocks 17 and then positioned on the base 14.
In the embodiment, the height of the base 14 is 20mm, four adjusting cushion blocks 15 are arranged above the base 14, and the thickness of each adjusting cushion block 15 is 5mm, so that the adjusting range of the adjusting seat 13 is 20 mm-40 mm, and the adjusting range of each adjusting seat is 5mm.
The utility model is not limited to the embodiments described, but a person skilled in the art may make modifications or changes without departing from the spirit of the utility model, i.e. the scope of the disclosure, and the scope of the utility model is defined by the claims.
Claims (4)
1. The utility model provides a connection structure convenient to major axis pump shaft coupling clearance adjustment, includes water pipe and return bend, water pipe upper end and return bend connection are provided with the pump shaft in the water pipe of lifting, the return bend upper end is provided with the mount pad, and processing has the installing port in the middle of the mount pad, and the bearing box is installed to installing port department, the motor support is installed in the outside on the mount pad, and the pump shaft motor is installed to the motor support upper end, the pump shaft upper end passes the bearing box and is connected its characterized in that through the output of shaft coupling and pump shaft motor: the installation mouth department is provided with the regulation seat, is provided with the through-hole in the middle of the regulation seat, and the peripheral processing of regulation seat has the mounting hole, the bearing box is connected on the regulation seat, and the bolt is worn to be equipped with in the bearing box periphery, and the bolt passes regulation seat and mount pad locking, the regulation seat includes the base, is provided with a plurality of regulation cushion above the base, utilizes the installation accuracy of regulation cushion control shaft coupling.
2. A connection structure for facilitating gap adjustment of a long shaft pump coupling according to claim 1, characterized in that: the first clamping block is machined on the periphery of the bottom of the base and clamped at the mounting opening, the second clamping block is machined on the periphery of the adjusting cushion block, and the adjusting cushion block is positioned on the base after being sequentially overlapped through the second clamping block.
3. A connection structure for facilitating adjustment of a long shaft pump coupling gap according to claim 1 or 2, characterized in that: the height of the base is 20mm, the thickness of the adjusting cushion block is 5mm, and four adjusting cushion blocks are arranged above the base.
4. A connection structure for facilitating gap adjustment of a long shaft pump coupling according to claim 1, characterized in that: the bearing box is internally provided with a thrust seat, a plane bearing and a radial bearing, the pump shaft is connected with the thrust seat through a key block, the radial bearing is arranged on the outer side of the thrust seat, and the plane bearing is arranged at the bottom of the thrust seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709802.7U CN220979947U (en) | 2023-10-10 | 2023-10-10 | Connection structure convenient to long-axis pump shaft coupling clearance adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709802.7U CN220979947U (en) | 2023-10-10 | 2023-10-10 | Connection structure convenient to long-axis pump shaft coupling clearance adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220979947U true CN220979947U (en) | 2024-05-17 |
Family
ID=91040517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322709802.7U Active CN220979947U (en) | 2023-10-10 | 2023-10-10 | Connection structure convenient to long-axis pump shaft coupling clearance adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220979947U (en) |
-
2023
- 2023-10-10 CN CN202322709802.7U patent/CN220979947U/en active Active
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