CN101389854A

CN101389854A - Dual inlet rotary tool

Info

Publication number: CN101389854A
Application number: CNA2005800072403A
Authority: CN
Inventors: K·S·多兹
Original assignee: Air Turbine Technology Inc
Current assignee: Air Turbine Technology Inc
Priority date: 2005-01-11
Filing date: 2005-09-22
Publication date: 2009-03-18
Also published as: JP2008527238A; TWI345611B; RU2007126321A; WO2006076055A3; TW200815681A; US20060153721A1; CA2593698A1; MX2007008453A; KR20070108149A; EP1853819A2; AU2005324445A1; WO2006076055A2

Abstract

A rotary device has a housing that has a first fluid inlet and second fluid inlet. A rotor is rotatably mounted in the housing and is in communication with the first and second fluid inlets.

Description

Dual inlet rotary tool

Technical field

The present invention relates generally to throw.Particularly, the present invention relates to machinery throw that install, pressurized fluid driven.

Summary of the invention

In one embodiment, the present invention relates to a kind of whirligig with shell, this shell has the first fluid inlet and second fluid input.Rotor is rotatably installed in the shell, and is communicated with first and second fluid inputs.

The present invention also relates to by shell being set and being installed in rotor in the shell method that throw is connected with fluid source.First and second fluid inputs are arranged on the shell, are communicated with rotor separately.Be inserted with stopper in the first fluid inlet, and second fluid input is connected with high-pressure fluid source.

Description of drawings

Fig. 1 is the cross-sectional view according to throw of the present invention.

Fig. 2 A and 2B are the side views according to throw of the present invention that is installed on the CNC machine.

Fig. 3 A and 3B are the side views according to throw of the present invention that is installed on the mechanical clamp.

Embodiment

With reference to Fig. 1, exemplary whirligig according to the present invention totally is shown 10.Exemplary means described herein is to have the pneumatic tool that no innage is pressed air-driven turbine rotor, yet, be understandable that notion of the present invention can be used for or is applicable to the fluid-driven motor with any kind, blade type motor for example, and by any throw of the fluid driven of any kind.

As shown in fig. 1, throw 10 has shell 13 generally, and this shell 13 is formed by end cap 24 anterior 12, that be threaded onto anterior 12 rear portion 14 and be threaded onto rear portion 14.As hereinafter being described in more detail, anterior 12 comprise can set up anchor clamps, have a larger-diameter part.Anterior 12 the larger-diameter part that has is included in its inner motor chamber 15 that forms and is installed in rotor 16 in the motor chamber 15.

The rear portion 14 of shell 13 comprises first fluid inlet 34, and it has the longitudinal axis B with the spin axis A approximate vertical of rotor 16.First fluid inlet 34 is communicated with rotor 16, is suitable for receiving pressure fluid and pressure fluid is transported to rotor 16.First fluid inlet 34 is formed by the vestibule of the sidewall at the rear portion 14 of running through shell 13, and for example by at least a portion of vestibule, forming screw thread, and be suitable for receiving flexible pipe, inlet duct joint or stopper from high-pressure air source, as hereinafter being described in more detail.Inlet duct joint 36 is threaded onto in the first fluid inlet 34, and have be communicated with first fluid inlet 34 run through vestibule 37.For example by form screw thread at least a portion of vestibule, inlet duct joint 36 is suitable for receiving flexible pipe or the stopper from high-pressure air source, as hereinafter being described in more detail.

The rear portion 14 of shell 13 also comprises second fluid input 32, and it has the longitudinal axis with the spin axis A almost parallel of rotor 16.Second fluid input 32 is communicated with rotor 16, is suitable for receiving pressure fluid and pressure fluid is transported to rotor 16.Second fluid input 32 is formed by the vestibule of the end at the rear portion 14 of running through shell 13.The handle 30 that has with the substantial cylindrical of the longitudinal axis of the spin axis A almost parallel of rotor 16 is integrally formed on the rear portion 14 of shell 13, extend 14 end from the rear portion, and can be used as throw 10 is connected to assembly on the machine, as hereinafter being described in more detail.Handle 30 has the vestibule 33 that runs through wherein, and this vestibule is communicated with second fluid input 32, allows handle 30 reception pressure fluids and pressure fluid is transported to second fluid input 32, as hereinafter being described in more detail.For example by form screw thread at least a portion of vestibule, handle 30 is suitable for receiving flexible pipe or the stopper from high-pressure air source, as hereinafter being described in more detail.A pair of 0 shape circle 31 is installed in the groove in the outer wall of handle 30.

Silencing apparatus 26 is arranged in the rear portion 14, and it can be made of the material of similar felt, is suitable for eliminating the noise that is caused by the fluid of discharging.In addition, end cap 24 comprises one or more holes 21, has predetermined diameter separately, is suitable for allowing pressure fluid to overflow from motor chamber 15.

Rotor 16 with spin axis A is installed in the motor chamber 15, makes rotor 16 to rotate therein.As described here, rotor 16 is reaction turbine type rotors, for example authorizes the rotor of describing in No. the 4th, 776,752, the U. S. Patent of Davis, and this patent has the assignee identical with the present invention, at this in conjunction with its disclosure as a reference.Yet the present invention is not limited to this, and can be applicable to have the whirligig of other type rotor.On-stream, forced air is drawn towards rotor 16 from first fluid inlet 34 and/or second fluid input 32.When air enters rotor 16, it enters first doughnut 50, flows around elasticity valve collar 52, enters second doughnut 56 through the radial hole 54 in the annular wall 60, air is conducted through nozzle 58 there, thereby makes rotor 16 and therefore make running shaft 18 rotations.Pressure fluid escapes and enter motor chamber 15 from rotor 16 through nozzles 58, passes silencing apparatus 26, and leaves throw 10 through the hole 21 in the end cap 24 and be discharged to atmosphere.When pressure fluid was introduced in the rotor 16, rotational speed was increased to the maximum value of preliminary election.Act on centrifugal force on the elasticity valve collar 52 and trend towards making ring 52 radial expansions, yet the internal surface of annular wall 60 supports valve collar 52, except at radial hole 54 places.This makes the radial expansion of valve collar 52 can be introduced in the hole 54, thereby causes the controlled elastic deformation of valve collar 52.On-stream, when 52 distortion of elasticity valve collar, it is near the end of radial hole 54.When distance was enough narrow, the fluid of the radial hole 54 of flowing through was restricted, and rotating force reduces.When the resistance in the system of acting on and rotating force reach balance, the power that acts on the elasticity valve collar 52 also will reach balance.This causes constant rotational speed.If resistance increases, then balance is destroyed, the power on the elasticity valve collar 52 of acting on will make valve collar 52 near the position withdrawal of radial hole 54, thereby allow extra fluid to flow through, until setting up another balance.If owing to any reason turbine surpasses the speed limit of expecting, then elasticity valve collar 52 will move,, make all mobile stopping until enough hypervelocities, thereby realized overspeed protection with flowing of further restriction pressure fluid.

One end of running shaft 18 is connected on the rotor 16, and the other end is connected on the chuck 22, and this chuck is used for the instrument (not shown) that the class instrument is for example ground in clamping.Axle 18 is supported by bearing 20 rotations, and bearing 20 is respectively fixed to the front portion 12 of shell 13 again.

As shown in Fig. 2 A, for throw 10 is installed to the CNC machine, perhaps other has the machine of the chuck that is used for setting tool, by in the chuck 40 that handle 30 is inserted into the machine (not shown) and be fixed thereon, and instrument 10 is fixed on the machine.If machine provides high-pressure air by chuck 40, then the vestibule 33 in handle 30 (see figure 1)s stays open, and high-pressure air offers rotor 16 by second fluid input, 32 (see figure 1)s.In the time of in being fixed on chuck 40, O shape is enclosed 31 (see figure 1)s and is prevented the outer periphery effusion of high-pressure air from handle 30.By stopper 42 is threaded onto in the inlet duct joint 36, and first fluid 34 (see figure 1)s that enter the mouth are blocked.Alternatively, if do not use inlet duct joint 36, then can be by directly stopper 42 being threaded onto in the first fluid inlet 34, and first fluid inlet 34 is blocked.As in Fig. 1, being clear that, when connecting in this way, enter instrument 10 from the air of high-pressure air source by handle 30, arrive second fluid input 32 through the vestibule in the handle 30 33, and from second fluid input, 32 arrival rotors 16, the high pressure air drives rotor 16 there.The high-pressure air of discharging from rotor 16 enters motor chamber 15, and through silencing apparatus 26, and discharge from instrument 10 in the hole of passing through in the end cap 24 21.

Alternatively, as shown in Fig. 2 B, can be by stopper 42 be threaded onto in the handle 30, and second fluid input, 32 (see figure 1)s are blocked, and the flexible pipe 46 of high-pressure air source (not shown) can be connected to inlet duct joint 36, with 34 (see figure 1)s that enter the mouth by first fluid high-pressure air is provided to rotor 16.Alternatively, if do not use inlet duct joint 36, then flexible pipe 46 can be directly connected in the first fluid inlet 34.As in Fig. 1, being clear that, when connecting in this way, air from high-pressure air source enters instrument 10 by inlet duct joint 36, arrive first fluid inlet 34 through the vestibule in the inlet duct joint 36 37, and from first fluid inlet 34 arrival rotors 16, the high pressure air drives rotor 16 there.The high-pressure air of discharging from rotor 16 enters shell 13, and through silencing apparatus 26, and discharge from instrument 10 in the hole of passing through in the end cap 24 21.

As shown in Fig. 3 A, for throw 10 being installed on the machine that has as the anchor clamps 44 of mechanical arm, by shell 13 is clipped in the anchor clamps 44, and instrument 10 is fixed on the anchor clamps 44.Alternatively, depend on the purposes of machine and expection, also can be by with handle 30, rather than shell 13 is clipped in the anchor clamps 44, and instrument 10 is fixed on the anchor clamps 44, shown in the illusion line.Handle 30 is connected on the flexible pipe 46 of high-pressure air source (not shown), by second fluid input, 32 (see figure 1)s high-pressure air is offered rotor 16.By stopper 42 is threaded onto in the inlet duct joint 36, and first fluid 34 (see figure 1)s that enter the mouth are blocked.Alternatively, if do not use inlet duct joint 36, then can be by directly stopper 42 being threaded onto in the first fluid inlet 34, and first fluid inlet 34 is blocked.As in Fig. 1, being clear that, when adopting this mode to connect, enter instrument 10 from the air of flexible pipe 46 by handle 30, arrive second fluid input 32 through the vestibule in the handle 30 33, and from second fluid input, 32 arrival rotors 16, the high pressure air drives rotor 16 there.The high-pressure air of discharging from rotor 16 enters shell 13, and through silencing apparatus 26, and discharge from instrument 10 in the hole of passing through in the end cap 24 21.

Alternatively, as shown in Fig. 3 B, inlet duct joint 36 can be connected on the flexible pipe 46 of high-pressure air source (not shown), and 34 (see figure 1)s provide high-pressure air to rotor 16 (see figure 1)s to enter the mouth by first fluid.Alternatively, if do not use inlet duct joint 36, then flexible pipe 46 can be directly connected on the first fluid inlet 34.Then by stopper 42 is threaded onto in the end of handle 30, and second fluid input, 32 (see figure 1)s are blocked.As in Fig. 1, being clear that, when adopting this mode to connect, air from high-pressure air source enters instrument 10 by inlet duct joint 36, arrive first fluid inlet 34 through the vestibule in the inlet duct joint 36 37, and from first fluid inlet 34 arrival rotors 16, the high pressure air drives rotor 16 there.The high-pressure air of discharging from rotor 16 enters shell 13, and through silencing apparatus 26, and discharge from instrument 10 in the hole of passing through in the end cap 24 21.

As from above-mentioned explanation as seen, the present invention allows single throw to be used for desired almost any machine, any mounting structure and any fluid input structure, rather than uses different instruments for every kind of situation.

The above description of the preferred embodiments of the present invention presents with the purpose of illustration and description, is detailed or limit the invention to disclosed precise forms and be not intended to.The selection of this description is in order to explain principle of the present invention and its practical application best, makes that the others skilled in the art in related domain can use the present invention best with the numerous embodiments and the multiple remodeling of the special-purpose that is suitable for expecting.Its intention is that scope of the present invention is not subjected to the restriction of specification, but is limited by the claim of following elaboration.

Claims

1. whirligig comprises:

Shell with first fluid inlet and second fluid input;

Be rotatably installed in the described shell, and the rotor that is communicated with described first and second fluid inputs.

2. whirligig as claimed in claim 1, wherein said first fluid inlet has the longitudinal axis transverse to the spin axis of described rotor, and is suitable for receiving pressure fluid and described pressure fluid is transported to described rotor.

3. whirligig as claimed in claim 2, wherein said first fluid inlet comprises the vestibule of the side of running through described shell.

4. whirligig as claimed in claim 1, wherein said second fluid input has the longitudinal axis of the spin axis that is parallel to described rotor, and is suitable for receiving pressure fluid and described pressure fluid is transported to described rotor.

5. whirligig as claimed in claim 4, wherein said second fluid input comprises the vestibule of the end of running through described shell.

6. whirligig as claimed in claim 1 also comprises the end that is connected to described shell, is used for described whirligig is connected to assembly on the machine.

7. whirligig as claimed in claim 6, wherein said assembly is suitable for receiving pressure fluid, and described pressure fluid is transported to described second fluid input.

8. whirligig as claimed in claim 6, wherein said assembly comprises the vestibule that runs through wherein, described vestibule is communicated with described second fluid input.

9. whirligig as claimed in claim 6, wherein said assembly and described shell become one.

10. whirligig as claimed in claim 6, wherein said assembly comprise described end that is connected to described shell and the handle that extends from the described end of described shell.

11. whirligig as claimed in claim 10, wherein said handle is suitable for receiving pressure fluid, and described pressure fluid is transported to described second fluid input.

12. whirligig as claimed in claim 10, wherein said handle comprises the vestibule that runs through wherein, and described vestibule is communicated with described second fluid input.

13. whirligig as claimed in claim 10, wherein said handle and described shell become one.

14. whirligig as claimed in claim 1 also comprises the inlet pipe joint, it is detachably connected on the described shell and with described first fluid inlet and is communicated with, and is used for described shell is connected to high-pressure fluid source.

15. whirligig as claimed in claim 14 also comprises being suitable for stoping the fluid stopper of described inlet duct joint of flowing through.

16. whirligig as claimed in claim 1 also comprises being suitable for stoping fluid to flow through described first or the stopper of second fluid input.

17. one kind is connected to the method for fluid source with throw, may further comprise the steps:

Shell and the rotor that is installed in the described shell are set;

The first fluid inlet that is communicated with described rotor is set in described shell;

Second fluid input that is communicated with described rotor is set in described shell;

Stopper is inserted in the described first fluid inlet; And

Described second fluid input is connected to high-pressure fluid source.

18. as claimed in claim 17 throw is connected to the method for fluid source, also comprise the step that assembly is set, described assembly is connected to the end of described shell, is used for described shell is connected to machine.

19. as claimed in claim 17 throw is connected to the method for fluid source, also comprise the step that handle is set, described handle is connected to the end of described shell and extends from the described end of described shell, is used for described shell is connected to machine.

20. as claimed in claim 19 throw is connected to the method for fluid source, also comprise the step that the vestibule that runs through described handle is set, described vestibule is suitable for receiving pressure fluid and described pressure fluid is transported to described first or second fluid input.

21. the method that throw is connected to fluid source as claimed in claim 17, the step that also comprises the inlet porting pipe joint, described inlet duct joint is used to be connected to described first or second fluid input, is used for described fluid input is connected to high-pressure fluid source.