CN2103044U - Hydrodynamic clutch with remote speed regulater - Google Patents

Abstract

The utility model relates to a hydrodynamic clutch with a remote speed regulator, which is characterized in that the fixing outer casing body and the end cover of a clutch are designed; the rotating piece, the fixing piece and the swinging piece of the clutch are all sealed in the clutch; a drive motor and a hydrodynamic clutch can be integrated with a servo motor and a self-aligning bearing seat together; the complete machine weight of the utility model can be born by the motor and the self-aligning bearing. A new speed regulation structure is adopted, a communicated scoop pipe, a diversion seat and the tunnel of a working chamber are arranged in the center of a turbine shaft to make working liquid directly enter the working chamber via the scoop pipe, and an original manual operated device can be replaced by the servo motor. The long distance start and the automatic control of the stepless speed regulation of a blower fan and a water pump can be realized.

Description

Hydrodynamic clutch with remote speed regulater

The utility model is a kind of telemechanical speed regulating mechanism that has, and with the small-sized speed governing hydraulic coupler that drive motor, fluid coupling and actuating motor are connected as a single entity, belongs to the hydraulic transmission component category.

Speed governing hydraulic coupler is a kind of energy-conserving product, and it is installed between motor and the blower fan (or water pump), as long as infinitely change the position of speed governing hydraulic coupler scoop tube, just can infinitely change the air quantity (or water yield) of blower fan (or water pump).Because the air horsepower of blower fan (or water pump) is directly proportional with the cube of rotating speed,, just can save a large amount of electric energy so adopt the regulating method of speed change to replace the method for present widely used flashboard (or valve) throttling.Structurally there are some problems in existing small-sized speed governing hydraulic coupler, gives to apply and brings difficulty.

Existing small-sized speed governing hydraulic coupler structure as shown in Figure 4, it belongs to no supporting structure form, complete machine weight is born by the input shaft or the additional shaft bearing of drive motor output shaft and working machine.The rotational shell body ［ 31 ］ of coupler is as the oil storage cylindrical shell, and working liquid body enters active chamber through diversion seat ［ 33 ］ and the oil-feed cavity ［ 35 ］ that flexible scoop tube ［ 36 ］ sky is enclosed within on the turbine shaft ［ 32 ］.Relying on manual control handle ［ 34 ］ to regulate scoop tube forms different oil inlet quantities in diverse location and realizes starting purpose with stepless speed regulation.The coupler of this structure has following shortcoming: owing to do not have locating basis between diversion seat ［ 33 ］, turbine shaft ［ 32 ］ and the rotational shell ［ 31 ］, concentricity and axial position all can not guarantee (1); (2) the topping up circuit of active chamber is long, diversion seat and oil suction chamber complex structure, and radial clearance and axial clearance are big, thereby the interior leakage quantity of working solution is big; (3) the turbine shaft output terminal can not bear radial load, generally needs the additional shaft bearing when linking with working machine;----fluid coupling----additional shaft bearing (or working machine) three is installed in respectively on the basis motor when (4) using, and needs the basis big, and axial dimension is long, installs and adjusts difficulty; (5) because the frame of coupler is a revolving part, and during with manual control startup and speed governing, Joystick is very near from rotational shell, poor stability can not be realized far distance automatic controlling simultaneously.

The purpose of this utility model is the set casing body of design coupler on the basis of original small-sized speed governing hydraulic coupler, the fluid coupling and the actuating motor of drive motor, new structure are held together, replace original speed regulating structure with new speed regulating structure, change working solution and enter the runner of active chamber, shorten pipeline from scoop tube.Simultaneously diversion seat is fixed on the set casing body of coupler, becomes that a kind of volume is little, in light weight, handling safety and be convenient to install, leakage quantity is few in the working solution, can realize the hydrodynamic unit of far distance automatic controlling.

The utility model is the inlet adjusting formula, is connected as a single entity and is formed by drive motor ［ 1 ］, fluid coupling ［ 2 ］, actuating motor ［ 15 ］.The revolving part of coupler ［ 2 ］: pump impeller ［ 9 ］, turbine ［ 7 ］, rotary shell ［ 11 ］, drive plate ［ 6 ］, input flange ［ 5 ］, turbine shaft ［ 13 ］; Fixed block: diversion seat ［ 23 ］, scoop tube axle ［ 21 ］; Swing part: scoop tube ［ 10 ］ and Sealing ［ 26 ］ etc. all is enclosed in the chamber that is made of frame ［ 12 ］ and end cap ［ 25 ］.Have screw on the frame ［ 12 ］ and centering seam ［ 4 ］ can be fixed on motor ［ 1 ］ input side of coupler ［ 2 ］, motor shaft connects with input flange ［ 5 ］ by flat key.Rotary shell ［ 11 ］ is connected with pump impeller ［ 9 ］, drive plate ［ 6 ］, input flange ［ 5 ］ bolt.Turbine ［ 7 ］ is connected with turbine shaft ［ 13 ］ spline, and pump impeller ［ 9 ］ sky is enclosed within on the turbine shaft ［ 13 ］.Bearing support ［ 22 ］ is fixed on the end cap ［ 25 ］, is connected with diversion seat ［ 23 ］ bolt.Turbine ［ 7 ］ links by turbine shaft ［ 13 ］, output flange ［ 19 ］ or belt pulley ［ 20 ］ and working machine.The complete machine weight of revolving part is born by drive motor and selfaligning bearing.Scoop tube ［ 10 ］ links to each other with the scoop tube axle ［ 21 ］ with axial bore and radial hole, and scoop tube axle ［ 21 ］ is installed in the have annular chamber mounting hole of diversion seat ［ 23 ］ of ［ 24 ］, and diversion seat ［ 23 ］ sky is enclosed within on the turbine shaft ［ 13 ］.Between turbine shaft ［ 13 ］ and diversion seat ［ 23 ］, Sealing ［ 26 ］ is arranged.Turbine shaft ［ 13 ］ has radial hole ［ 29 ］ and axial bore ［ 27 ］.Working liquid body can enter active chamber ［ 28 ］ through the annular chamber ［ 24 ］ of scoop tube ［ 10 ］, scoop tube axle ［ 21 ］, diversion seat ［ 23 ］ and radial hole ［ 29 ］, the axial bore ［ 27 ］ of turbine shaft ［ 13 ］.Actuating motor ［ 15 ］ is fixed by bolts on the end cap ［ 25 ］, on the axle of actuating motor ［ 15 ］, screw rod ［ 16 ］ is housed, the nut ［ 17 ］ of band shift fork is enclosed within on the screw rod ［ 16 ］, swing arm ［ 14 ］ links to each other with the nut ［ 17 ］ and the scoop tube axle ［ 21 ］ of band shift fork, drives swing part scoop tube ［ 10 ］ swing.

Working principle of the present utility model is: motor ［ 1 ］ drives pump impeller ［ 9 ］ rotation, rigidly connected with it rotary shell also rotates the liquid in rotation that drives in the housing thereupon synchronously, form pendular ring, when scoop tube does not enter pendular ring, no liquid in the active chamber ［ 28 ］, this moment turbine ［ 7 ］ transfixion, motor does not have load.When nut ［ 17 ］ and swing arm ［ 14 ］ and scoop tube axle ［ 21 ］ drive scoop tube ［ 10 ］ swing of actuating motor ［ 15 ］ by screw rod ［ 16 ］, band shift fork, make scoop tube ［ 10 ］ when entering pendular ring, in the rotary shell liquid will be along scoop tube ［ 10 ］, scoop tube axle ［ 21 ］, import active chamber ［ 28 ］ through the annular chamber ［ 24 ］ of diversion seat ［ 23 ］ and the duct ［ 26,27 ］ of turbine shaft ［ 14 ］.Liquid in the active chamber ［ 28 ］ constantly sprays in the shell of revolution body cavity by spray hole ［ 8 ］, and the filling amount that spouting liquid and scoop tube import under the stable situation of operating mode keeps balance.Liquid in the active chamber ［ 28 ］ is under action of centrifugal force, flowing to out interruption-forming high-voltage high-speed liquid flow impact turbine ［ 7 ］ blade by pump impeller ［ 9 ］ inlet rotates turbine and pump impeller in the same way, liquid is flowed to inboard again by turbine ［ 7 ］ outer rim, return the pump impeller inlet, so circulation, pump impeller is converted to the liquid energy with the mechanical energy of motor, and turbine can be converted to mechanical energy with liquid, by turbine shaft ［ 13 ］ power is delivered on the working machine through output flange ［ 19 ］ or belt pulley ［ 20 ］.Be provided with metallic packing ring between turbine shaft ［ 13 ］ and diversion seat ［ 23 ］, interior leakage quantity is very little.When scoop tube ［ 10 ］ extends the outer most edge of rotary shell ［ 11 ］, pendular ring thickness minimum, active chamber ［ 28 ］ will all be full of working solution, at this moment the ability maximum of fluid coupling ［ 2 ］ carry-over moment, scoop tube is in different positions, just has different filling amounts in the active chamber, under constant loading moment, just have different secondary speeds, so the rotating speed that the position of step-less adjustment scoop tube just can step-less adjustment load (working machine).

Of the present utility model being characterised in that (1) designed the coupler set casing that motor can be installed, coupler, drive motor and actuating motor hold together, simultaneously diversion seat is fixed on the frame, having overcome between original diversion seat and revolving part does not have locating basis, and the unwarrantable shortcoming of concentricity and axial position makes machine volume little, in light weight, the interior leakage of working solution is little, is convenient to long service life is installed.(2) new speed regulating structure makes working liquid body directly enter active chamber through the duct of diversion seat, turbine shaft by scoop tube, reduces flow resistance greatly, improves the mobility of speed governing.(3) replace original manual control device with actuating motor and screw rod, nut, can realize fine setting and remote the startup and control automatically.Safe and reliable.(4) owing between turbine shaft and working machine, increased selfaligning bearing ［ 18 ］, complete machine weight is supported by the set casing body by motor and selfaligning bearing ［ 18 ］, be convenient to install and use.In a word, the utility model is a kind of desirable energy-conserving product easy to utilize with fine economic benefit and use value.

Accompanying drawing

Fig. 1 has the structure principle chart of the fluid coupling of telemechanical speed regulating mechanism

Fig. 2 scoop tube is regulated, the control system structural drawing

Fig. 3 metallic packing ring structural drawing

Fig. 4 variable speed fluid coupling structure principle chart

Embodiment

Figure 1 shows that structure of the present utility model always schemes ［ 1 ］ drive motor among the figure, ［ 2 ］ fluid coupling, ［ 4 ］ screw and centering seam, ［ 5 ］ input flange, ［ 6 ］ drive plate, ［ 7 ］ turbine, ［ 8 ］ spray hole, ［ 9 ］ pump impeller, ［ 10 ］ scoop tube, ［ 11 ］ rotary shell, ［ 12 ］ frame, ［ 13 ］ turbine shaft, ［ 14 ］ swing arm, ［ 15 ］ actuating motor, ［ 16 ］ screw rod, ［ 17 ］ nut of band shift fork, ［ 18 ］ selfaligning bearing, ［ 19 ］ output flange, ［ 20 ］ belt pulley, ［ 21 ］ scoop tube axle, ［ 22 ］ bearing support, ［ 23 ］ diversion seat, ［ 24 ］ annular chamber, ［ 25 ］ end cap, ［ 26 ］ Sealing, ［ 27 ］ axial bore, ［ 28 ］ active chamber, ［ 29 ］ radial hole.

The fluid coupling of new structure is the revolving part with coupler: pump impeller ［ 9 ］, turbine ［ 7 ］, rotary shell ［ 11 ］, drive plate ［ 6 ］, input flange ［ 5 ］, turbine shaft ［ 13 ］; Fixed block: diversion seat ［ 23 ］, scoop tube axle ［ 21 ］; Swing part: scoop tube ［ 10 ］ and Sealing ［ 26 ］ are enclosed in the chamber that is made of frame ［ 12 ］ and end cap ［ 25 ］.Have screw on the frame ［ 12 ］ and centering seam ［ 4 ］ can be fixed on the horizontal machine ［ 1 ］ of end cap band bead the input side of coupler ［ 2 ］, motor shaft connects with input flange ［ 5 ］ by flat key.Rotary shell ［ 11 ］ is connected with pump impeller ［ 9 ］, drive plate ［ 6 ］, input flange ［ 5 ］ bolt.Drive the rotation synchronously of pump impeller ［ 9 ］ and rotary shell ［ 11 ］ when motor rotates, the working solution in the rotary shell forms pendular ring.Revolving part turbine ［ 7 ］ is connected with turbine shaft ［ 13 ］ spline, and pump impeller ［ 9 ］ sky is enclosed within on the turbine shaft ［ 13 ］.Bearing support ［ 22 ］ is fixed on the end cap ［ 25 ］, is connected with the diversion seat bolt.Turbine ［ 7 ］ links by turbine shaft ［ 13 ］, output flange or belt pulley ［ 19 ］ and working machine.The weight of revolving part is born by drive motor and selfaligning bearing.Scoop tube ［ 10 ］ links to each other with the scoop tube axle ［ 21 ］ of axial bore and radial hole, and scoop tube axle ［ 21 ］ is installed in the mounting hole of the diversion seat ［ 23 ］ with annular chamber, and the diversion seat sky is enclosed within on the turbine shaft.Between turbine shaft ［ 13 ］ and diversion seat ［ 23 ］ two metallic packing rings ［ 26 ］ are arranged, turbine shaft ［ 13 ］ has radial hole ［ 29 ］ and axial bore ［ 27 ］.When scoop tube inserts pendular ring, working liquid body enters active chamber through the annular chamber of scoop tube ［ 10 ］, scoop tube axle ［ 21 ］, diversion seat ［ 23 ］ and radial hole, the axial bore of turbine shaft ［ 13 ］, and in the transcapsidation body is circled round in spray hole spray, the filling amount maintenance balance that spouting liquid and scoop tube import under the stable situation of operating mode.Liquid in the active chamber flows to outer rim outlet (see among Fig. 1 shown in the arrow) by pump impeller inlet under action of centrifugal force, form high-voltage high-speed liquid flow impact turbine blade turbine and pump impeller are rotated in the same way.Turbine drives the turbine shaft rotation, outputs power.Thus, pump impeller is converted to the liquid energy with the mechanical energy of motor, and turbine can be converted to mechanical energy with liquid, realizes the transmission of power.

Micro servo motor ［ 15 ］ is fixed on the end cap ［ 25 ］, screw rod ［ 16 ］ is housed on servo motor shaft, the nut ［ 17 ］ of band shift fork is enclosed within on the screw rod ［ 16 ］, swing arm ［ 14 ］ links to each other with the nut ［ 17 ］ and the scoop tube axle ［ 21 ］ of band shift fork, when rotating, actuating motor ［ 15 ］ drives screw rod ［ 16 ］ rotation, the nut ［ 17 ］ of band shift fork moves on screw rod, drives regulating arm ［ 20 ］ and makes scoop tube ［ 10 ］ swing by scoop tube axle ［ 21 ］, reaches the purpose of startup and stepless speed regulation.

Claims (2)

1, a kind of fluid coupling that drive motor, fluid coupling and actuating motor are connected as a single entity with telemechanical speed regulating mechanism, it is characterized in that: the revolving part of coupler: pump impeller [9], turbine [7], rotary shell [11], drive plate [6], input flange [5], turbine shaft [13], fixed block: diversion seat [23], scoop tube axle [21], swing part: scoop tube [10] and Sealing [26] etc. all is enclosed in the chamber that is made of frame [12] and end cap [25]; Have screw on the frame [12] and motor [1] can be fixed on input side with centering seam [4], the drive motor axle connects with input flange [5] by flat key; Rotary shell [11] is connected by bolt with pump impeller [9], drive plate [6], input flange [5], and turbine [7] is connected with turbine shaft [13] spline, and pump impeller [9] sky is enclosed within on the turbine shaft [13]; Bearing support [22] is fixed on the end cap [25], is connected with diversion seat [23] bolt; Turbine [7] is bearing on the bearing support [22] by turbine shaft [13] axial restraint, and axial force is born by selfaligning bearing [18], and turbine shaft links with working machine by output flange [19] or belt pulley [20]; Scoop tube [10] links to each other with the scoop tube axle [21] with axial bore and radial hole, scoop tube axle [21] is installed in the mounting hole of the diversion seat [23] with annular chamber, diversion seat [23] sky is enclosed within on the turbine shaft [13], Sealing [26] is arranged between turbine shaft and the diversion seat, and turbine shaft [13] has radial hole [29] and axial bore [27]; Working solution can enter active chamber [28] through the annular chamber [24] of scoop tube [10], scoop tube axle [21], diversion seat [23] and radial hole [29], the axial bore [27] of turbine shaft [13]; Actuating motor [15] is fixed by bolts on the end cap [25] of outlet side, on the axle of actuating motor [15], screw rod [16] is housed, the nut [17] of band shift fork is enclosed within on the screw rod [16], and swing arm [14] links to each other with the nut [17] and the scoop tube axle [21] of band shift fork, drives swing part scoop tube [10] swing.

2, the fluid coupling with telemechanical speed regulating mechanism as claimed in claim 1 is characterized in that, the Sealing ［ 26 ］ between said turbine shaft ［ 14 ］ and diversion seat ［ 23 ］ is two metallic packing rings.

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