CN207064314U - A kind of borehole shaft driven (centrifugal) pump automatically adjusts axle envelope gland - Google Patents
A kind of borehole shaft driven (centrifugal) pump automatically adjusts axle envelope gland Download PDFInfo
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- CN207064314U CN207064314U CN201720991646.XU CN201720991646U CN207064314U CN 207064314 U CN207064314 U CN 207064314U CN 201720991646 U CN201720991646 U CN 201720991646U CN 207064314 U CN207064314 U CN 207064314U
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- axle envelope
- pump
- gland
- power transmission
- housing
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Abstract
The utility model discloses a kind of borehole shaft driven (centrifugal) pump to automatically adjust axle envelope gland, the deep well pump pump housing includes motor, the output shaft of the motor is connected by shaft coupling with power transmission shaft, and the power transmission shaft is arranged on lifting pipe components interior, is provided with the power transmission shaft and automatically adjusts axle envelope cover pressing mechanism；The axle envelope cover pressing mechanism that automatically adjusts includes the housing that catchments, the housing that catchments is fitted on axle envelope gland, the axle envelope gland forms sealing with power transmission shaft and coordinated, inlet channel and outlet passageway are machined with the housing that catchments, the inlet channel is connected with inlet suction port, and air outlet adapter is connected with the outlet passageway, and the inlet suction port is connected with air inlet pipe, the air outlet adapter is connected with escape pipe, and the faying face of catchment housing and the axle envelope gland is provided with elastic air cushion.This gland has self-regulation ability, and workload is greatly reduced, and improves operating efficiency, and effectively improve water pump operation stability.
Description
Technical field
The utility model patent is related to a kind of borehole shaft driven (centrifugal) pump and automatically adjusts axle envelope gland, and in particular to one kind has automatic tune
Save the axle envelope gland of power.
Background technology
The conventional type of shaft sealing of borehole shaft driven (centrifugal) pump has packing seal, mechanical seal and dynamic seal.Xi Luodu power plant now
Borehole shaft driven (centrifugal) pump uses packing_seal, belongs to one kind of packing seal, axle envelope gland is generally equipped with above packing, pass through adjustment
Gland bolt controls the water leakage of axle envelope within the specific limits, on the premise of operating efficiency is ensured, prevents packing to be burned out.
Because the reasons such as mechanical oscillation and corrosion cause axle envelope gland bolt often to loosen or even be broken, cause leak larger, it is right
Other charging equipments such as motor are threatened, and manual maintenance is more changed jobs more frequently, and machine is reduced while increasing workload
The stability of group operation.
Utility model content
In order to solve problem above, the utility model provides a kind of borehole shaft driven (centrifugal) pump and automatically adjusts axle envelope gland, this pressure
Lid has self-regulation ability, and workload is greatly reduced, and improves operating efficiency, and effectively improve water pump operation stability.
In order to realize above-mentioned technical characteristic, what the purpose of this utility model was realized in：A kind of borehole shaft driven (centrifugal) pump is certainly
Dynamic adjustment axis sealed cover, it includes the deep well pump pump housing, and the deep well pump pump housing includes motor, and the output shaft of the motor passes through connection
Axle device is connected with power transmission shaft, and the power transmission shaft is arranged on lifting pipe components interior, the duct member that pumps up water include one-level lifting pipe,
Two level lifting pipe, upper shell and lower house, the end of the lower house are connected with water-filtering net, leaf are provided with the power transmission shaft
Take turns, be provided with the power transmission shaft and automatically adjust axle envelope cover pressing mechanism；The axle envelope cover pressing mechanism that automatically adjusts includes collection water hull
Body, the housing that catchments are fitted on axle envelope gland, and the axle envelope gland forms sealing with power transmission shaft and coordinated, the housing that catchments
On be machined with inlet channel and outlet passageway, the inlet channel is connected with inlet suction port, is connected with out on the outlet passageway
Gas joint, the inlet suction port are connected with air inlet pipe, and the air outlet adapter is connected with escape pipe, housing and the axle envelope pressure of catchmenting
The faying face of lid is provided with elastic air cushion, and the elastic air cushion is connected with inlet channel and outlet passageway simultaneously.
The motor is fixedly mounted on pump seat, and the pump seat is fixedly mounted on pedestal by foundation bolt.
Motor cover is installed at the top of the motor, hoisting ring is installed at the top of the motor, in the shell side of motor
Power cord box is installed with wall.
The power transmission shaft is fixedly mounted on lifting pipe components interior by bearing.
It is sequentially connected between the one-level lifting pipe, two level lifting pipe, upper shell and lower house by flange head and the tail.
The air inlet pipe is connected with source of the gas, and the air pressure inside the elastic air cushion is 2 times that pump group runs middle outlet pressure
More than.
The utility model has the advantages that：
1st, by using above-mentioned axle envelope cover pressing mechanism, compressed air enters from inlet suction port in the course of work, by entering
Gas passage reaches elastic air cushion, and elastic air cushion uses pressure-resistant Wear-resistant, high-temperature resistant material, and elastic air cushion pressure increases expansion, while bullet
Property air cushion substitution is original loads stuffing-box packing, play a part of axle envelope dash, at the same compressed air through outlet passageway by outlet
Joint is flowed out, and the housing that catchments is act as collecting axle envelope water outlet, is flowed out from delivery port, and flowmeter is installed additional behind delivery port.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 automatically adjusts axle envelope cover pressing mechanism structural representation to be of the present utility model.
In figure：Water-filtering net 1, lower house 2, upper shell 3, two level lifting pipe 4, one-level lifting pipe 5, pedestal 6, pump seat 7, motor
8th, power cord box 9, bearing 10, regulating bolt 11, motor cover 12, hoisting ring 13, power transmission shaft 14, axle envelope gland 15, elastic air cushion
16th, air inlet pipe 17, inlet suction port 18, inlet channel 19, the housing 20 that catchments, outlet passageway 21, air outlet adapter 22, escape pipe 23.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1-2, a kind of borehole shaft driven (centrifugal) pump automatically adjusts axle envelope gland, and it includes the deep well pump pump housing, the deep-well
The pump pump housing includes motor 8, and the output shaft of the motor 8 is connected by shaft coupling with power transmission shaft 14, and the power transmission shaft 14 is arranged on
Lifting pipe components interior, the duct member that pumps up water include one-level lifting pipe 5, two level lifting pipe 4, upper shell 3 and lower house 2, institute
The end for stating lower house 2 is connected with water-filtering net 1, and impeller is provided with the power transmission shaft 14, is provided with the power transmission shaft 14 certainly
Dynamic adjustment axis sealed cover mechanism；The axle envelope cover pressing mechanism that automatically adjusts includes the housing 20 that catchments, and the housing 20 that catchments is pressed
On axle envelope gland 15, the axle envelope gland 15 and power transmission shaft 14 form sealing and coordinated, be machined with the housing 20 that catchments into
Gas passage 19 and outlet passageway 21, the inlet channel 19 are connected with inlet suction port 18, are connected with out on the outlet passageway 21
Gas joint 22, the inlet suction port 18 are connected with air inlet pipe 17, and the air outlet adapter 22 is connected with escape pipe 23, the collection water hull
The faying face of body 20 and axle envelope gland 15 is provided with elastic air cushion 16, the elastic air cushion 16 simultaneously with inlet channel 19 and outlet
Passage 21 is connected.
Further, the motor 8 is fixedly mounted on pump seat 7, and the pump seat 7 is fixedly mounted on base by foundation bolt
On seat 6.
Further, the top of the motor 8 is provided with motor cover 12, and the top of the motor 8 is provided with hoisting ring 13,
Power cord box 9 is installed with the side wall of outer shell of motor 8.Can be to providing point for motor 8 by described power cord box 9
Electric energy.
Further, the power transmission shaft 14 is fixedly mounted on lifting pipe components interior by bearing 10.Pass through described axle
Holding 10 can ensure that power transmission shaft 14 reduces frictional force in rotation process.
Further, flange head and the tail are passed through between the one-level lifting pipe 5, two level lifting pipe 4, upper shell 3 and lower house 2
It is sequentially connected.It can be joined end to end by described ring flange, and then
Further, the air inlet pipe 17 is connected with source of the gas, and the air pressure inside the elastic air cushion 16 is in pump group operation
More than 2 times of outlet pressure.In the course of work, by being connected between described air inlet pipe 17 and source of the gas, elastic air cushion can be given
16 are inflated, and then to realizing the press fitting to axle envelope gland 15.
Further, axle envelope gland 15 uses heat resistant and wear resistant material, such as rubber, polytetrafluoroethylene (PTFE), it is desirable to has certain
Hardness and toughness.
Specific work process and operation principle of the present utility model are：
Pump group operation middle outlet pressure P is generally 0.35-0.7MPa, and the present apparatus will using compressed air gas source pressure P1
Ask as more than 2 times of outlet pressure, readily satisfied in power plant, be not required to extra air compressor machine and provide；Before pump startup, compressed air warp
Inlet suction port 18 enters inlet channel 19, and pressure is initially set 0.8P in inlet channel 19, and wherein this setting value can be according to tool
Running body situation is changed, and is lacked lubrication water at air cushion axle envelope during preventing pump startup and is burnt, after pump startup, is counted according to flow
Value feedback, according to live running status, sets suitable definite value, by the pressure of control loop regulation elasticity air cushion 16, so that
Reach the purpose of adjust automatically, axle envelope water leakage is met normal use demand.
Above-described embodiment is used for illustrating the utility model, rather than the utility model is limited, in this practicality
New spirit and any modifications and changes in scope of the claims, made to the utility model, both fall within this reality
With new protection domain.
Claims (6)
1. a kind of borehole shaft driven (centrifugal) pump automatically adjusts axle envelope gland, it is characterised in that：It includes the deep well pump pump housing, the deep well pump pump
Body includes motor（8）, the motor（8）Output shaft pass through shaft coupling and power transmission shaft（14）It is connected, the power transmission shaft（14）Peace
Mounted in lifting pipe components interior, the duct member that pumps up water includes one-level lifting pipe（5）, two level lifting pipe（4）, upper shell（3）With
Lower house（2）, the lower house（2）End be connected with water-filtering net（1）, the power transmission shaft（14）On impeller is installed, it is described
Power transmission shaft（14）On be provided with and automatically adjust axle envelope cover pressing mechanism；The axle envelope cover pressing mechanism that automatically adjusts includes the housing that catchments
（20）, the housing that catchments（20）It is fitted in axle envelope gland（15）On, the axle envelope gland（15）With power transmission shaft（14）Form close
Envelope coordinates, the housing that catchments（20）On be machined with inlet channel（19）And outlet passageway（21）, the inlet channel（19）With
Inlet suction port（18）It is connected, the outlet passageway（21）On be connected with air outlet adapter（22）, the inlet suction port（18）With air inlet
Pipe（17）It is connected, the air outlet adapter（22）With escape pipe（23）It is connected, the housing that catchments（20）With axle envelope gland（15）'s
Faying face is provided with elastic air cushion（16）, the elastic air cushion（16）While and inlet channel（19）And outlet passageway（21）It is connected
It is logical.
2. a kind of borehole shaft driven (centrifugal) pump according to claim 1 automatically adjusts axle envelope gland, it is characterised in that：The motor
（8）It is fixedly mounted on pump seat（7）On, the pump seat（7）Pedestal is fixedly mounted on by foundation bolt（6）On.
3. a kind of borehole shaft driven (centrifugal) pump according to claim 1 automatically adjusts axle envelope gland, it is characterised in that：The motor
（8）Top motor cover is installed（12）, the motor（8）Top hoisting ring is installed（13）, in motor（8）Shell side
Power cord box is installed with wall（9）.
4. a kind of borehole shaft driven (centrifugal) pump according to claim 1 automatically adjusts axle envelope gland, it is characterised in that：The power transmission shaft
（14）Pass through bearing（10）It is fixedly mounted on lifting pipe components interior.
5. a kind of borehole shaft driven (centrifugal) pump according to claim 1 automatically adjusts axle envelope gland, it is characterised in that：The one-level is raised
Water pipe（5）, two level lifting pipe（4）, upper shell（3）And lower house（2）Between by flange head and the tail be sequentially connected.
6. a kind of borehole shaft driven (centrifugal) pump according to claim 1 automatically adjusts axle envelope gland, it is characterised in that：The air inlet pipe
（17）It is connected with source of the gas, the elastic air cushion（16）Internal air pressure runs more than 2 times of middle outlet pressure for pump group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991646.XU CN207064314U (en) | 2017-08-09 | 2017-08-09 | A kind of borehole shaft driven (centrifugal) pump automatically adjusts axle envelope gland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991646.XU CN207064314U (en) | 2017-08-09 | 2017-08-09 | A kind of borehole shaft driven (centrifugal) pump automatically adjusts axle envelope gland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064314U true CN207064314U (en) | 2018-03-02 |
Family
ID=61520285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720991646.XU Active CN207064314U (en) | 2017-08-09 | 2017-08-09 | A kind of borehole shaft driven (centrifugal) pump automatically adjusts axle envelope gland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064314U (en) |
-
2017
- 2017-08-09 CN CN201720991646.XU patent/CN207064314U/en active Active
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