CN207634331U - A kind of hydraulic frictional shaft coupling vertical centrifugal pump - Google Patents
A kind of hydraulic frictional shaft coupling vertical centrifugal pump Download PDFInfo
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- CN207634331U CN207634331U CN201721695409.5U CN201721695409U CN207634331U CN 207634331 U CN207634331 U CN 207634331U CN 201721695409 U CN201721695409 U CN 201721695409U CN 207634331 U CN207634331 U CN 207634331U
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- pump
- cover
- shaft coupling
- mechanical seal
- hydraulic frictional
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Abstract
The utility model belongs to ship burr pump and general service pump field, disclose a kind of hydraulic frictional shaft coupling vertical centrifugal pump, including pump case, pump cover, impeller, main shaft, electric machine support, baffle ring, wheel hub cover and motor, whole is in vertical, main shaft upper end is connected with hydraulic frictional shaft coupling, hydraulic frictional shaft coupling is plugged in coupling sleeve, coupling sleeve is mounted on motor shaft end by lock-screw, carbon spacer is equipped between pump cover and main shaft, spacer lid is equipped with below carbon spacer, stop baffle ring is equipped with above carbon spacer, mechanical seal cover is installed above pump cover, shaft coupling cushion block is installed above mechanical seal cover, mechanical seal is used between mechanical seal cover and main shaft；Shaft coupling cushion block is mounted on above mechanical seal cover, is provided with pump cover water receiving tank above pump cover, drainpipe is connected with pump cover water receiving tank.The utility model uses hydraulic frictional shaft coupling, compact-sized, and precision is high and contact area is big and power transmission even.
Description
Technical field
The utility model belongs to ship burr pump and general service pump field, vertical more particularly to a kind of hydraulic frictional shaft coupling
Formula centrifugal pump.
Background technology
In the design-build of ship, burr pump and general service pump mostly use centrifugal pump of horizontal axis design, and centrifugal pump of horizontal axis occupies
Space is larger, and concentricity is difficult to guarantee and causes noise larger, and transmission pressure is small, and the versatility of bedroom centrifugal pump is poor, and assembling is difficult
Degree is big, is not easy to on-site maintenance repair；And existing vertical centrifugal pump power transmission is poor and unstable, dismounting is time-consuming and laborious,
Therefore a kind of centrifugal pump overcoming these disadvantages is designed to be necessary.
Utility model content
In order to solve existing technical problem, the utility model provides a kind of hydraulic frictional shaft coupling vertical centrifugal pump,
It is whole in vertical, the main shaft lower part peace including pump case, pump cover, impeller, main shaft, electric machine support, baffle ring, wheel hub cover and motor
In pump case, the main shaft top is located in electric machine support, and the main shaft upper end is connected with hydraulic frictional shaft coupling, the liquid
Pressure friction coupling is plugged in coupling sleeve, and the coupling sleeve is mounted on motor shaft end by lock-screw, described
Baffle ring is mounted on main shaft top by screw.
It is equipped with carbon spacer between the pump cover and main shaft, spacer lid, the carbon spacer top are equipped with below the carbon spacer
Equipped with stop baffle ring, mechanical seal is used between the mechanical seal cover and main shaft；Stop baffle ring is used for the screens of mechanical seal,
Mechanical seal lower end is limited in place, carbon spacer plays the role of sliding bearing, and spacer lid covers carbon spacer in pump cover, prevents
Carbon spacer is fallen.
Mechanical seal cover is installed above the pump cover, shaft coupling cushion block is installed above the mechanical seal cover, due to
When unclamping hydraulic frictional shaft coupling, hydraulic frictional shaft coupling whereabouts can damage mechanical seal, and rotating joint cushion block makes its pad exist
Below hydraulic frictional shaft coupling, and then avoid the damage to mechanical seal.
It is provided with pump cover water receiving tank above the pump cover, the pump cover water receiving tank is connected with drainpipe, and drainpipe is for discharging
Ponding in pump cover water receiving tank, due in normal use in pump cover water receiving tank without ponding, pump cover in the case of non-normal use
It will produce ponding in water receiving tank.
One end of the cooling water pipe is connected with mechanical seal cover, and the other end of the cooling water pipe is after pump case
Water at casing outlet is led to mechanical seal by side, is used for cooling mechanical seal.
The wheel hub cover is mounted on main shaft bottom end by bolt, and the impeller is arranged in pump case, the impeller and pump case
Between be equipped with sealing ring, the pump case uses dual channel cavity design, the impeller to use double-entry impeller, and the impeller passes through wheel
Hub cap and flat key are fixed on main shaft lower end.
Sealing ring is equipped between the pump cover and pump case.
Advantageous effect：
1. the utility model uses vertical structure, solves the big drawback of horizontal high-capacity pump occupied space, using motor
The passing power in such a way that hydraulic frictional shaft coupling and main shaft close direct connection, is set using double-entry impeller and dual channel pump case cavity
Meter, realize pump high pressure, high efficiency, big flow, low noise, low vibrations performance characteristics.
2. the utility model uses hydraulic frictional shaft coupling, compact-sized, concentricity is high, and adjusting machine time is short, precision height with
And contact area is big and power transmission even.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
As shown in Figure 1：Pump case 1, pump cover 2, pump cover water receiving tank 21, impeller 3, main shaft 4, electric machine support 5, hydraulic frictional shaft coupling
Device 6, coupling sleeve 7, cooling water pipe 8, drainpipe 9, baffle ring 10, wheel hub cover 11, carbon spacer 12, spacer lid 13, stop baffle ring
14, sealing ring 15, shaft coupling cushion block 16, lock-screw 17, mechanical seal cover 18, motor shaft end 19.
Specific implementation mode
The technical issues of in order to keep the utility model solved, technical solution and advantageous effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
Inferior orientation term on left and right in the present embodiment is only relative concept or the normal use shape with product each other
State is reference, and be should not be regarded as restrictive.
A kind of hydraulic frictional shaft coupling vertical centrifugal pump, including pump case 1, pump cover 2, impeller 3, main shaft 4, electric machine support 5, gear
Circle 10, wheel hub cover 11 and motor, entirety are in vertical, and sealing ring is equipped between pump cover 2 and pump case 1, and 4 lower part of main shaft is mounted on pump case
In 1,4 top of main shaft is located in electric machine support 5, and 4 upper end of main shaft is connected with hydraulic frictional shaft coupling 6, and hydraulic frictional shaft coupling 6 is inserted
It is located in coupling sleeve 7, coupling sleeve 7 is mounted on motor shaft end 19 by lock-screw 17, and baffle ring 10 is pacified by screw
Mounted in 4 top of main shaft.
Carbon spacer 12 is equipped between pump cover 2 and main shaft 4,12 lower section of carbon spacer is equipped with spacer lid 13, and 12 top of carbon spacer is set
There is stop baffle ring 14, mechanical seal is used between mechanical seal cover 18 and main shaft 4；Stop baffle ring 14 is used for the card of mechanical seal
Position limits mechanical seal lower end in place, and carbon spacer 12 plays the role of sliding bearing, and spacer lid 13 covers carbon spacer 12 and pumping
In lid 2, anti-blocking spacer 12 is fallen.
2 top of pump cover is equipped with mechanical seal cover 18, and 18 top of mechanical seal cover is equipped with shaft coupling cushion block 16, due to pine
When opening hydraulic frictional shaft coupling 6, the whereabouts of hydraulic frictional shaft coupling 6 can damage mechanical seal, and rotating joint cushion block 16 makes its pad
Below hydraulic frictional shaft coupling 6, and then avoid the damage to mechanical seal.
2 top of pump cover is provided with pump cover water receiving tank 21, and pump cover water receiving tank 21 is connected with drainpipe 9, and drainpipe 9 is used for emptying pump
Ponding in lid water receiving tank 21, due in normal use in pump cover water receiving tank 21 without ponding, pumped in the case of non-normal use
Ponding is will produce in lid water receiving tank 21.
One end of cooling water pipe 8 is connected with mechanical seal cover 18, and the other end of cooling water pipe 8 is mounted on 1 rear side of pump case,
The water in 1 exit of pump case leads to mechanical seal, is used for cooling mechanical seal.
Wheel hub cover 11 is mounted on 4 bottom end of main shaft by bolt, and impeller 3 is arranged in pump case 3, is set between impeller 3 and pump case 1
There are sealing ring 15, pump case 1 to use dual channel cavity design, impeller 3 that double-entry impeller, impeller 3 is used to pass through wheel hub cover 11 and flat key
It is fixed on 4 lower end of main shaft.
Claims (4)
1. a kind of hydraulic frictional shaft coupling vertical centrifugal pump, including pump case (1), pump cover (2), impeller (3), main shaft (4), wheel hub cover
(11) and motor, it is characterised in that：Main shaft (4) upper end is connected with hydraulic frictional shaft coupling (6), the hydraulic frictional shaft coupling
Device (6) is plugged in coupling sleeve (7), and the coupling sleeve (7) is mounted on motor shaft end by lock-screw (17)
(19), mechanical seal cover (18) is installed above the pump cover (2), shaft coupling pad is installed above the mechanical seal cover (18)
Block (16) is equipped with carbon spacer (12), spacer lid is equipped with below the carbon spacer (12) between the pump cover (2) and main shaft (4)
(13), it is equipped with stop baffle ring (14) above the carbon spacer (12).
2. a kind of hydraulic frictional shaft coupling vertical centrifugal pump according to claim 1, it is characterised in that：The pump cover (2)
Top is provided with pump cover water receiving tank (21), and the pump cover water receiving tank (21) is connected with drainpipe (9), the mechanical seal cover (18) with
One end of cooling water pipe (8) is connected, and the other end of the cooling water pipe (8) is mounted on rear side of pump case (1).
3. a kind of hydraulic frictional shaft coupling vertical centrifugal pump according to claim 1, it is characterised in that：The mechanical seal
It covers and uses mechanical seal between (18) and main shaft (4).
4. a kind of hydraulic frictional shaft coupling vertical centrifugal pump according to claim 1, it is characterised in that：The pump case (1)
Using dual channel cavity design, the impeller (3) uses double-entry impeller, and sealing ring is equipped between the impeller (3) and pump case (1)
(15), the impeller (3) is fixed on main shaft (4) lower end by wheel hub cover (11) and flat key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721695409.5U CN207634331U (en) | 2017-12-08 | 2017-12-08 | A kind of hydraulic frictional shaft coupling vertical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721695409.5U CN207634331U (en) | 2017-12-08 | 2017-12-08 | A kind of hydraulic frictional shaft coupling vertical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634331U true CN207634331U (en) | 2018-07-20 |
Family
ID=62862087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721695409.5U Active CN207634331U (en) | 2017-12-08 | 2017-12-08 | A kind of hydraulic frictional shaft coupling vertical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634331U (en) |
-
2017
- 2017-12-08 CN CN201721695409.5U patent/CN207634331U/en active Active
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| GR01 | Patent grant |