CN208253147U - A kind of tooling for nuclear power plant's seawater circulation pump gearbox jiggering lubrication - Google Patents

Abstract

The utility model relates to a kind of toolings for nuclear power plant's seawater circulation pump gearbox jiggering lubrication, including a low pressure lubricating oil pump and a high-pressure oil pump；The low pressure lubricating oil pump, including driving motor A, shaft coupling A and gear pump, wherein driving motor A is connected by shaft coupling A with gear pump, and the inlet ductwork of the gear pump 3 and the end of export pipeline pass through a low pressure ball valve respectively and be connected with oil inlet pipe fitting A and oil outlet pipe fitting A；The high-pressure oil pump, including driving motor B, shaft coupling B and plunger pump, wherein driving motor B is connected by shaft coupling B with plunger pump, the end of the outlet of plunger pump pipeline passes sequentially through a pressure gauge and a high-pressure ball valve is connected with oil outlet pipe fitting B, and the end of plunger pump inlet pipeline is connected by a high-pressure ball valve with oil inlet pipe fitting B.This tooling is electric drive, sustainable to provide uniform, clean lubricating oil for gear box combination bearing and planet core bag apparatus.

Description

A kind of tooling for nuclear power plant's seawater circulation pump gearbox jiggering lubrication

Technical field

The utility model belongs to machinery overhaul field, and in particular to one kind is used for nuclear power plant's seawater circulation pump gearbox jiggeringThe tooling of lubrication.

Background technique

Fuqing nuclear power 1-4 unit shares 8 Taiwan Straits water-circulating pumps, and every pump passes through one by a vertical type motorFQHDL35 type or the driving water conservancy component operating of HDBT411 type vertical planetary gear box.

It is required according to equipment periodic maintenance, needs to move sea water circulating pump motor shaft during nuclear power plant's overhaul by disk to check electricityMachine, gear-box, the shafting alignment situation of pump shaft and the quality condition of part of appliance.Lower gearbox portion combination bearing (contains thrust axisHold and guide bearing) tiling, top planet core bag apparatus planet wheel spindle tiling be babbit structure, therefore jiggering rotatesProcess is both needed to be lubricated oil lubrication, and otherwise combination bearing tiling, planet wheel spindle tiling will be burnt because wearing caused by lack of lubricationEqual equipment qualities problem, seriously affects overhaul progress and nuclear power plant's economic benefit.

During nuclear power plant's overhaul, it can not be gearbox planetary core that the former design oil system of gear-box profit, which is in stoppage in transit state,Bag apparatus and combination bearing provide lubricating oil, therefore need invention set of gears case jiggering greaser to be filled with and meet maintenance requirement.

Summary of the invention

The purpose of this utility model is that: it provides a kind of for nuclear power plant's sea water circulating pump FQHDL35 type or HDBT411 typeThe tooling of vertical planetary gear box jiggering lubrication.

The technical solution of the utility model is as follows: a kind of work for nuclear power plant's seawater circulation pump gearbox jiggering lubricationDress, including a low pressure lubricating oil pump and a high-pressure oil pump；

The low pressure lubricating oil pump, including driving motor A, shaft coupling A and gear pump, wherein driving motor A passes through connectionAxis device A is connected with gear pump, the inlet ductwork of the gear pump and the end of export pipeline pass through respectively a low pressure ball valve withOil inlet pipe fitting A is connected with oil outlet pipe fitting A；Each component of the low pressure lubricating oil pump is mounted on Portable handcart A；

The high-pressure oil pump, including driving motor B, shaft coupling B and plunger pump, wherein driving motor B passes through connectionAxis device B is connected with plunger pump, the end of the outlet of plunger pump pipeline pass sequentially through a high-pressure ball valve and pressure gauge withOil outlet pipe fitting B is connected, and the end of plunger pump inlet pipeline is connected by another high-pressure ball valve with oil inlet pipe fitting B；Each component of the high-pressure oil pump is mounted on Portable handcart B.

The low pressure lubricating oil pump is connected to the oil-feed port of the lubricating oil system of gear-box by oil pipe, to meet rowThe demand of star core bag apparatus lubrication.

The high-pressure oil pump is connected to the high pressure oil of the lubricating oil system of the combination bearing of gear-box by oil pipePipe oil-feed port, to meet the needs of thrust bearing establishes oil film.

The lower section of the Portable handcart A is equipped with castor A.

The lower section of the Portable handcart B is equipped with castor B.

The remarkable result of the utility model is: the prior art is artificial leaching oil lubrication, efficiency is extremely low, lubricant effect notSufficiently and the risk of foreign matter introducing is high, and tiling abrasion is easily caused to burn；And this tooling is electric drive, sustainable is gearCase combination bearing and planet core bag apparatus provide uniform, clean lubricating oil, more existing artificial leaching oil lubrication technology is highly efficient,Safety, science.

Detailed description of the invention

Fig. 1 is the main view of low pressure lubricating oil pump；

Fig. 2 is the top view of low pressure lubricating oil pump；

Fig. 3 is the main view of high-pressure oil pump；

Fig. 4 is the top view of high-pressure oil pump；

In figure: 1. driving motor A, 2. shaft coupling A, 3. gear pumps, 4. pipe clamps, 5. low pressure ball valves, 6. castor A, 7. portableIt is trolley A, 8. oil inlet pipe fitting A, 9. oil outlet pipe fitting A, 10. driving motor B, 11. shaft coupling B, 12. plunger pumps, 13. highPressure ball valve, 14. castor B, 15. pressure gauges, 16. Portable handcart B, 17. oil outlet pipe fitting B, 18. oil inlet pipe fitting B.

Specific embodiment

With reference to the accompanying drawing and specific embodiment is to described in the utility model a kind of for nuclear power plant's seawater circulation pump toothThe tooling of roller box jiggering lubrication is described in further detail.

As shown in Figs 1-4, a kind of tooling for nuclear power plant's seawater circulation pump gearbox jiggering lubrication, including a low pressureGrease pump and a high-pressure oil pump；

The low pressure lubricating oil pump, including driving motor A1, shaft coupling A2 and gear pump 3, wherein driving motor A1 is logicalIt crosses shaft coupling A2 to be connected with gear pump 3, the inlet ductwork of the gear pump 3 and the end of export pipeline pass through a low pressure respectivelyBall valve 5 is connected with oil inlet pipe fitting A8 and oil outlet pipe fitting A9；Each component of the low pressure lubricating oil pump is mounted on justIt takes on trolley A7；

The high-pressure oil pump, including driving motor B10, shaft coupling B11 and plunger pump 12, wherein driving motorB10 is connected by shaft coupling B11 with plunger pump 12, and the end of 12 export pipeline of plunger pump passes sequentially through a high-pressure ball valve13 and a pressure gauge 15 be connected with oil outlet pipe fitting B17, the end of 12 inlet ductwork of plunger pump passes through another smashValve 13 is connected with oil inlet pipe fitting B18；Each component of the high-pressure oil pump is mounted on Portable handcart B16.

The low pressure lubricating oil pump is connected to the oil-feed port of the lubricating oil system of gear-box by oil pipe, to meet rowThe demand of star core bag apparatus lubrication.

The high-pressure oil pump is connected to the high pressure oil of the lubricating oil system of the combination bearing of gear-box by oil pipePipe oil-feed port, to meet the needs of thrust bearing establishes oil film.

The lower section of the Portable handcart A7 is equipped with castor A6.

The lower section of the Portable handcart B16 is equipped with castor B14.

A kind of user of tooling for nuclear power plant's seawater circulation pump gearbox jiggering lubrication described in the utility modelMethod, comprising the following steps:

Step 1: before plant tray car test is looked into, high and low pressure grease pump is respectively started and is debugged, confirm normal operation；

Step 2: before plant tray car test is looked into, high-pressure oil pump being connected to gear box combination bearing original by mating oil pipeLubricating oil system high-pressure oil pipe oil-feed port position；Low pressure lubricating oil pump is connected to gear-box original design lubrication by mating oil pipeOil system oil-feed port position；

Step 3: starting high-pressure oil pump simultaneously checks that pipeline connection is good, and reading record high-pressure oil pump outlet pressure indicatesNumber, the parameter must meet equipment jiggering requirement；

Step 4: starting low pressure lubricating oil pump simultaneously checks that pipeline connection is good, a large amount of by having inside equipment manhole door inspectionLubricating oil flows downward, and equipment has jiggering condition at this time.

Claims (5)

1. a kind of tooling for nuclear power plant's seawater circulation pump gearbox jiggering lubrication, it is characterised in that: the tooling includes onePlatform low pressure lubricating oil pump and a high-pressure oil pump；

The low pressure lubricating oil pump, including driving motor A (1), shaft coupling A (2) and gear pump (3), wherein driving motor A(1) it is connected by shaft coupling A (2) with gear pump (3), the inlet ductwork of the gear pump (3) and the end difference of export pipelineIt is connected by a low pressure ball valve (5) with oil inlet pipe fitting A (8) and oil outlet pipe fitting A (9)；The low pressure lubricating oilEach component of pump is mounted on Portable handcart A (7)；

The high-pressure oil pump, including driving motor B (10), shaft coupling B (11) and plunger pump (12), wherein driving motorB (10) is connected by shaft coupling B (11) with plunger pump (12), and the end of plunger pump (12) export pipeline passes sequentially through oneHigh-pressure ball valve (13) and a pressure gauge (15) are connected with oil outlet pipe fitting B (17), the end of plunger pump (12) inlet ductworkIt is connected by another high-pressure ball valve (13) with oil inlet pipe fitting B (18)；Each component of the high-pressure oil pump is installedOn Portable handcart B (16).

2. a kind of tooling for nuclear power plant's seawater circulation pump gearbox jiggering lubrication as described in claim 1, feature existIn: the low pressure lubricating oil pump is connected to the oil-feed port of the lubricating oil system of gear-box by oil pipe, to meet planet core packetThe demand of device lubrication.

3. a kind of tooling for nuclear power plant's seawater circulation pump gearbox jiggering lubrication as described in claim 1, feature existIn: the high-pressure oil pump, the high-pressure oil pipe that the lubricating oil system of the combination bearing of gear-box is connected to by oil pipe supplyHydraulic fluid port, to meet the needs of thrust bearing establishes oil film.

4. a kind of tooling for nuclear power plant's seawater circulation pump gearbox jiggering lubrication as described in claim 1, feature existIn: the lower section of the Portable handcart A (7) is equipped with castor A (6).

5. a kind of tooling for nuclear power plant's seawater circulation pump gearbox jiggering lubrication as described in claim 1, feature existIn: the lower section of the Portable handcart B (16) is equipped with castor B (14).