CN1136401C

CN1136401C - Speed-reducing driver with static seal and dual cycloidal gears for reactor

Info

Publication number: CN1136401C
Application number: CNB011341203A
Authority: CN
Inventors: 王洪德
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-30
Filing date: 2001-10-30
Publication date: 2004-01-28
Anticipated expiration: 2021-10-30
Also published as: CN1342847A

Abstract

The present invention relates to a speed-reducing driving device with static seal and dual cycloidal gears for a reaction vessel. The present invention belongs to the technical field of the mechanical driving seal of chemical equipment and is composed of a motor, a vertical type speed reducing mechanism with dual cycloidal gears, and a pressure balancing frame, wherein the vertical type speed reducing mechanism with dual cycloidal gears comprises an upper casing, an active eccentric input shaft, a bearing, a swing disk, a pin shaft disk, a cycloidal gear I, a cycloidal gear II, a pin shaft, a sleeve of the pin shaft, a lantern gear, an output shaft, a passive eccentric input shaft, a pin shaft ring, a wheel pin, a sleeve of the wheel pin, a spacer ring and a pressure balancing frame. The swing disk is connected with the pin shaft disk through a tubular rubber seal cover; a lower flange of the pressure balancing frame is connected with an interface flange of the reaction vessel; a pressure balancing cavity is composed of the pressure balancing frame, the swing disk, the rubber seal cover and the pin shaft disk.

Description

Speed-reducing driver with static seal and dual cycloidal gears for reactor

Technical field

What speed-reducing driver with static seal and dual cycloidal gears for reactor of the present invention related to is that a kind of reactor that is applicable to adopts static seal structure double cycloid wheel gearing down machinery, belongs to chemical industry equipment mechanical transmission technical field of sealing technology.

Background technique

Reactor is an oil, chemical industry, the visual plant of industry such as medicine, have a large capacity and a wide range, the stirring apparatus of still was to adopt motor in the past, speed reducer and support, coupled reaction still stirring shaft, motive sealing is carried out in filled or mechanical seal on stirring shaft, because reactor applying working condition complexity, the condition of use has nothing in common with each other, and has the pH value height different, positive and negative air-pressure difference in the still is arranged, still is interior even exist inflammable and explosive or toxic gas, and motive sealing often can't resolve the sealing problem of reactor, causes the reactor of current use to have race, emit, drip, leak, serious environment pollution, the infringement health both wasted energy, and influenced quality of product again.

Summary of the invention

The present invention is directed to above-mentioned deficiency a kind of speed-reducing driver with static seal and dual cycloidal gears for reactor is provided, in order to solve the sealing problem of reactor, the present invention changes and is sealed into static seal, has thoroughly solved the run, drip, leak problem of reactor.

Speed-reducing driver with static seal and dual cycloidal gears for reactor takes following scheme to realize: speed-reducing driver with static seal and dual cycloidal gears for reactor is made of motor, vertical double cycloid wheel reducing gear, pressure balance frame, and electric machine is on vertical double cycloid wheel reducing gear top.Vertical double cycloid wheel reducing gear comprises upper casing, initiatively imports eccentric shaft, bearing, wobble-plate, bearing pin dish, cycloidal gear I, cycloidal gear II, bearing pin and cover, pin gear, output shaft, passive input eccentric shaft, bearing pin ring, gear pin and cover, spacer ring, pressure balance frame (lower housing).Initiatively import the eccentric shaft upper end and connect electric machine main shaft, eccentric shaft is made in the lower end, on eccentric shaft, be equipped with bearing, the bearing shell is contained in wobble-plate top, passive input eccentric shaft bottom is equipped with bearing, be installed in output shaft top, it is concentric with motor shaft initiatively to import the eccentric shaft upper end, be equipped with bearing above the output shaft, be installed in pressure balance frame (lower housing) middle part, passive input eccentric shaft top with initiatively import the eccentric shaft lower end identical throw of eccentric arranged, and be equipped with bearing, and the bearing shell is installed in the wobble-plate bottom, and the throw of eccentric with the top radial symmetric is adopted at passive input eccentric shaft middle part, be equipped with bearing on it, the bearing shell is equipped with a cycloidal gear II, is equipped with another cycloidal gear I on the wobble-plate (bottom) on the passive in addition input eccentric shaft upper bearing shell, and double cycloid gear just makes input shaft avoid single load bearing like this, alleviate the suffered load of input shaft upper bearing (metal), improved machine life.The bearing pin dish is arranged on the wobble-plate outside, and bearing pin and cover are housed on the bearing pin dish.Pin gear is assemblied in the pressure balance upper rack, and gear pin and cover are equipped with in pin gear top, and spacer ring is fixed between two cycloidal gears, and the bearing pin ring is installed in bearing pin bottom, the pin gear inner chamber.

The present invention changes and to be sealed into static seal is that wobble-plate and bearing pin dish with special shape links by the tubular rubber seal closure, the ambient air on isolated top, the lower flange of following pressure balance frame and the flange of reactor link, the ambient air of isolated bottom transmits power under the static seal state.

The pressure balance frame is the output shaft support, constitute the pressure balance cavity with wobble-plate, rubber seal cover, bearing pin dish again, the pressure balance cavity comprises cavity A, cavity B, cavity A and cavity B bottom communicate, cavity A top communicates with reactor by conduit C, cavity B communicates with gear cavity by conduit D, and is equipped with seal ring and oil sealing between output shaft and the pressure balance frame output shaft hole, and an amount of balance media (liquid) is housed among cavity A and the cavity B.When being malleation or vacuum state in the reactor, the pressure balance frame can form equipressure at the two ends of output shaft, i.e. pressure balance, thus prevent because the variation in pressure of reactor, oil seepage is gone into reactor, or makes the corrosive gas in the reactor invade damage parts in the mechanical transmission chamber.

Speed-reducing driver with static seal and dual cycloidal gears for reactor, owing to be provided with vertical double cycloid reducing gear, change motive sealing into static seal, when avoiding unidirectional force, reach the purpose that the reactor static seal drives, solved the run, drip, leak problem of reactor, thereby solved the problem of harmful gas befouling environment and infringement health, can also energy saving and stable improving the quality of products.

Description of drawings

The invention will be further described below with reference to accompanying drawing.

Fig. 1 is the speed-reducing driver with static seal and dual cycloidal gears for reactor structural representation.

Fig. 2 is a speed-reducing driver with static seal and dual cycloidal gears for reactor A-A sectional view.

Embodiment

With reference to accompanying

drawing

1,2, speed-reducing driver with static seal and dual cycloidal gears for reactor, structure is made of motor, vertical double cycloid wheel reducing gear, pressure balance frame, and motor 1 device is on upper casing 2 tops of vertical double cycloid wheel reducing gear.Vertical double cycloid wheel reducing gear comprise upper casing 2, initiatively import eccentric shaft 3, bearing 4, wobble-plate 5, bearing pin dish 7, cycloidal gear I8, cycloidal gear II22, bearing pin and overlap 9, pin gear 10, output shaft 11, passive input eccentric shaft 16, bearing pin ring 17, gear pin and overlap 18, spacer ring 19, pressure balance frame 12 (lower housing).Initiatively import eccentric shaft 3 upper ends and connect motor 1 main shaft, eccentric shaft is made in the lower end, is equipped with bearing 4 on eccentric shaft, and the bearing shell is contained in wobble-plate 5 tops, initiatively imports between eccentric shaft 3 axle heads and the wobble-plate 5 wear-resistant gasket 21 is housed.Passive input eccentric shaft 16 bottoms are equipped with bearing, be installed in output shaft 11 tops, it is concentric with motor shaft 1 initiatively to import eccentric shaft 3 upper ends, be equipped with bearing above the output shaft 11, be installed in pressure balance frame 12 (lower housing) middle part, passive input eccentric shaft 16 tops with initiatively import eccentric shaft 3 lower ends identical throw of eccentric arranged, and be equipped with bearing, the bearing shell is installed in wobble-plate 5 bottoms, the throw of eccentric with the top radial symmetric is adopted at passive input eccentric shaft 16 middle parts, be equipped with bearing on it, the bearing shell is equipped with a cycloidal gear II22, is equipped with another cycloidal gear I8 on the wobble-plate 5 (bottom) on the passive in addition input eccentric shaft 16 upper bearing shells, and double cycloid gear just makes input shaft avoid single load bearing like this, alleviate the suffered load of input shaft upper bearing (metal), improved machine life.Bearing pin dish 7 is arranged on wobble-plate 5 outsides, bearing pin is housed on the bearing pin dish 7 and overlaps 9.Pin gear 10 is assemblied in pressure balance frame 12 tops, and pin gear 10 tops are equipped with gear pin and are overlapped 18, and spacer ring 19 is fixed between two cycloidal gears 8,22, and bearing pin ring 17 is installed in bearing pin 9 bottoms, pin gear 10 inner chambers.Pressure balance frame 12 comprises cavity A, cavity B, conduit C, conduit D, lower housing, gas and oil inlet tube 20, lower housing is arranged on the top of pressure balance frame 12, cavity A and cavity B are arranged on the middle part of pressure balance frame 12, conduit C communicates with the bottom of cavity A top and pressure balance frame 12, conduit D communicates with cavity B top and lower housing top, gas and oil inlet tube 20 communicates with lower housing top and bottom, is equipped with seal ring and oil sealing 14 between output shaft 11 and pressure balance frame 12 delivery outlets.

The transmission working principle: motor 1 is given initiatively input shaft 3 with transmission of power, initiatively input shaft with transmission of power give wobble-plate 5 and by driven input shaft 16 and on cycloidal gear I8 and cycloidal gear II22, make them make revolution motion, at bearing pin and overlap under 9 the effect of contraction, the swing of cycloid tooth crop rotation planar circumferential, its eccentric flank of tooth just in time with output shaft 11 on pin gear 10 gear pin and overlap 18 and be meshed, adopt a tooth difference or few tooth difference transmission principle, the high-speed plane circle swing of cycloidal gear is converted into the low-speed rotation of pin gear, thereby reach the purpose of deceleration, and give output shaft transmission of power.

Technological scheme for static seal: wobble-plate 5 adopts the rubber seal cover to link with bearing pin dish 7, has both separated ambient air, has dwindled the volume of pressure balance cavity again, for condition has been created in gas compression.The pressure balance frame is the support of output shaft 11, constitutes the pressure balance cavity with wobble-plate 5, rubber seal cover 6, bearing pin dish 7 again.Cavity A and cavity B bottom communicate, cavity A top communicates with reactor by conduit C, cavity B top communicates with gear cavity by conduit D, and output shaft 11 is furnished with seal ring and oil sealing 14 with the reactor junction point, and is furnished with bearing gland 13, an amount of fluid balance medium is housed among cavity A and the cavity B, the liquids in general height be housing depth 1/2 a little less than.Balance media is decided on positive negative pressure, malleation deoxidized water, negative pressure vacuum oil.Like this, pressure balance base 12 links with the reactor flange, thereby reaches static seal.By conduit C balance media is flowed from the positive negative pressure in the reactor in conduit A, conduit B cavity, the gas that is closed in the balance cavity is compressed thereupon or enlarges, thereby make the interior pressure of pressure in the drive cavity and reactor equal substantially.Therefore, lubricant oil can not flow into reactor owing to the variation in pressure of reactor, and in the pressure range of regulation, the gas in the reactor can not enter in the drive cavity yet simultaneously.

In addition, under the situation that relevant component mechanical property allows, in order to adapt to the needs of autoclave, the E place is provided with pressure controller on the top of cavity B, when balance media arrives the E place, pressure controller can be connected power supply, air valve on the gas and oil inlet tube 20 is opened, charged into compressed nitrogen, the balance media liquid level is descended, the gas that prevents reactor enters drive cavity, has kept pressure balance simultaneously.For the high-temperature situation of adaptive response still, the thermal insulation cooler can be set in the bottom of pressure balance frame 12.

Claims

1, a kind of speed-reducing driver with static seal and dual cycloidal gears for reactor, has motor, the pressure balance frame, it is characterized in that structure also has vertical double cycloid wheel reducing gear, vertical double cycloid wheel reducing gear comprises upper casing, initiatively import eccentric shaft, bearing, wobble-plate, the bearing pin dish, cycloidal gear I, cycloidal gear II, bearing pin and cover, pin gear, output shaft, passive input eccentric shaft, the bearing pin ring, gear pin and cover, spacer ring, the pressure balance frame, initiatively import the eccentric shaft upper end and connect electric machine main shaft, eccentric shaft is made in the lower end, on eccentric shaft, be equipped with bearing, the bearing shell is contained in wobble-plate top, passive input eccentric shaft bottom is equipped with bearing, be installed in output shaft top, it is concentric with motor shaft initiatively to import eccentric shaft, be equipped with bearing above the output shaft, be installed in the pressure balance central rack, passive input eccentric shaft top with initiatively import the eccentric shaft lower end identical throw of eccentric arranged, and be equipped with bearing, the bearing shell is installed in the wobble-plate bottom, the throw of eccentric with the top radial symmetric is adopted at passive input eccentric shaft middle part, be equipped with bearing on it, the bearing shell is equipped with a cycloidal gear II, be equipped with another cycloidal gear I on the wobble-plate on the passive in addition input eccentric shaft upper bearing shell, the bearing pin dish is arranged on the cycloid disc outside, bearing pin and cover are housed on the bearing pin dish, pin gear is assemblied in the pressure balance upper rack, gear pin and cover are equipped with in pin gear top, spacer ring is fixed between two cycloidal gears, and the bearing pin ring is installed in the pin gear inner chamber of bearing pin bottom; Wobble-plate and bearing pin dish link by the tubular rubber seal closure, and the lower flange of pressure balance frame and the flange of reactor link; The pressure balance frame constitutes the pressure balance cavity with wobble-plate, tubular rubber seal closure, bearing pin dish, the pressure balance cavity comprises cavity A, cavity B, cavity A and cavity B communicate with gear cavity by conduit D, and be equipped with seal ring and oil sealing between output shaft and the pressure balance frame output shaft hole, among cavity A and the cavity B balance media is housed.