CN209706127U - A kind of tesla's turbine-driven set - Google Patents

Abstract

The utility model belongs to power device field, discloses a kind of tesla's turbine-driven set, including turbine room, and both ends are equipped with communication port；Tesla's turbine, including turbine wheel shaft and several disks, form the first gap between disk and turbine room；Two groups of bearing assemblies include multiple first bearing pieces and second bearing piece, form the second gap between outermost two first bearing pieces and turbine room；It is equipped with ball between second bearing piece and first bearing piece, forms third space between first bearing piece, second bearing piece and ball；Combustion chamber, inside are equipped with cavity, and communication port is connected to cavity；Shell, both ends offer outlet；After communication port, a part driving tesla's turbine rotation, another part successively after the first gap, the second gap, third space, the second gap and cavity, is discharged the supercritical fluid formed after burning Indoor Combustion through outlet.So that bearing wear is zero or practically negligible, the service life of whole device is improved.

Description

A kind of tesla's turbine-driven set

Technical field

The utility model relates to field of power equipment technology more particularly to a kind of tesla's turbine-driven sets.

Background technique

Tesla's turbine also known as without leaf turbine, shape be fixed at a certain distance on an axis it is multiple smooth and thin Disk, when air-flow impacts these disks from tangential direction, air-flow can be since fluid viscosity and gas be in the viscosity of superficial layer And it is adsorbed on disk.Apply when air velocity slows down, while to disk with energy, gas can make the centripetal movement of spiral side by side Out, and then overall operation is driven.

Application has in the device of above-mentioned tesla's turbine at present, and the bearing that can arrange in pairs or groups uses, but due to tesla's turbine Existing friction when rotating of low torque and bearing itself Internal and external cycle, causes the device with above-mentioned tesla's turbine on bearing Power loss it is larger, also result in that existing bearing wear is larger, and service life is shorter, and then with above-mentioned tesla's turbine The service life of device shortens.

Utility model content

The purpose of this utility model is to provide a kind of tesla's turbine-driven set, so that bearing wear is zero or almost In zero, and then improve the service life of whole device.

For this purpose, the utility model uses following technical scheme:

A kind of tesla's turbine-driven set characterized by comprising

Turbine room, the turbine room both ends are equipped with communication port；

Tesla's turbine is set in the turbine room, including turbine wheel shaft and is fixedly arranged on several on the turbine wheel shaft Disk is formed with the first gap between the disk and the inner wall of the turbine room；

Two groups of bearing assemblies, are symmetrically disposed on the disk two sides, and every group of bearing assembly includes described in multiple be sheathed on First bearing piece and multiple second bearing pieces on turbine wheel shaft, outermost two first bearing pieces with the turbine The second gap is formed between chamber interior walls；

Corresponding be sheathed on of the second bearing piece is located in the middle on the outside of the first bearing piece, the second bearing piece Be equipped with ball between the first bearing piece adjacent thereto of two sides, the first bearing piece, the second bearing piece and The third space in two second gaps of connection is formed between the ball；

Combustion chamber, inside are equipped with cavity, and the turbine room is arranged in the cavity, and the communication port and the cavity Connection, first gap are connected to the communication port, and two second gaps are respectively communicated in first gap and institute State cavity；

Shell is fixed on outside the combustion chamber, and the shell both ends offer outlet, and the cavity both ends are connected to institute State outlet；

For the supercritical fluid formed after the burning Indoor Combustion after the communication port, a part drives the tesla Turbine rotation, another part successively pass through first gap, second gap, the third space, second gap And after the cavity, it is discharged through the outlet.

Preferably, further including the linear bearing being sheathed on the turbine wheel shaft, the linear bearing and the turbine room Between formed the 4th gap, the 5th gap is formed between the linear bearing and the combustion chamber and the shell, it is described 4th gap is respectively communicated in second gap and the cavity, the 5th gap be respectively communicated in the cavity and The outlet.

Preferably, being additionally provided with shaft coupling between the linear bearing and the shell.

Preferably, passing through week between the disk, the first bearing piece, the linear bearing and the shaft coupling It is fixedly connected to several first bolts of arrangement.

It is and outermost preferably, the side wall of outermost two first bearing pieces offers hemispherical groove The adjacent first bearing on piece of the first bearing piece offers 1/4 spherical groove, and the ball is connected to the hemisphere Connected in star and 1/4 inside of spherical groove.

Preferably, the diameter of the hemispherical groove and 1/4 spherical groove is identical as the diameter of the ball.

Preferably, the second bearing piece is opposite with the first bearing piece of 1/4 spherical groove is offered One side end offers 1/4 spherical groove, and the diameter of 1/4 spherical groove is greater than the diameter of the ball.

Preferably, two adjacent opposite side walls of the second bearing piece offer arcuation groove, the ball is supported It is connected in two arcuation grooves.

Preferably, being equipped with one-way guide flow valve at the outlet.

The utility model has the beneficial effects that by above structure, the supercritical fluid formed after burning is able to enter turbine Room, then by after communication port, a part driving tesla's turbine rotation, another part successively the first gap, the second gap, It after third space, the second gap and cavity, is discharged through outlet, since supercritical fluid has the dual spy of gas and liquid concurrently Property, i.e. for density close to liquid, viscosity is again similar to gas, and diffusion coefficient is 10-100 times of liquid, thus has very strong molten The characteristics of solution ability and good flowing transport property (namely viscosity is small), can make bearing assembly first bearing piece and Contactless state is between second bearing piece and between ball and first bearing piece, second bearing piece, when tesla whirlpool When wheel belt moving axis bearing assembly rotates, the rotation of bearing assembly is zero friction or is similar to zero frictional rotation, so wear be zero or It is practically negligible, improve the service life of whole device.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model tesla turbine-driven set；

Fig. 2 is enlarged drawing at the A of the utility model Fig. 1；

Fig. 3 is enlarged drawing at the B of the utility model Fig. 1.

In figure:

1, turbine room；11, communication port；

2, tesla's turbine；21, turbine wheel shaft；22, disk；

3, bearing assembly；31, first bearing piece；32, second bearing piece；33, ball；

4, combustion chamber；41, probe-type spark plug；

5, shell；51, outlet；52, one-way guide flow valve；

6, linear bearing；7, shaft coupling；8, shaft coupling；9, the first bolt；

10, the first gap；20, the second gap；30, the 4th gap；40, the 5th gap；50, the 6th gap.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.

In the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " Gu It is fixed " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

In the description of the present embodiment, term " on ", "lower", " right side ", etc. orientation or positional relationships be based on shown in attached drawing Orientation or positional relationship, be merely for convenience of description and simplification operation, rather than the device or element of indication or suggestion meaning It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This Outside, term " first ", " second " are only used to distinguish between description, and have no special meaning.

Fig. 1 is the structural schematic diagram of the utility model tesla turbine-driven set, as shown in Figure 1, the utility model mentions Tesla's turbine-driven set of confession includes turbine room 1, tesla's turbine 2, bearing assembly 3, combustion chamber 4, shell 5, linear axis Hold 6 and shaft coupling 7, in which:

Above-mentioned turbine room 1 provides supercritical fluid (for the production after burning in combustion chamber 4 for placing tesla's turbine 2 Object, can be the supercritical water formed after oxygen is reacted with combustion of hydrogen or oxygen reacted with hydrocarbon fuel combustion after formed Supercritical fluid product) flow into channel.Specifically, be turbine room 1 two sides be equipped with communication port 11, supercritical fluid can Enter turbine room 1 into communication port 11.

Above-mentioned tesla's turbine 2 includes the disk of turbine wheel shaft 21 and several spaced sets being fixedly arranged on turbine wheel shaft 21 22, above-mentioned several disks 22 are placed in turbine room 1, and the both ends of above-mentioned turbine wheel shaft 21 are each passed through bearing assembly 3, linear bearing 6, shaft coupling 7 is arranged.For above-mentioned supercritical fluid after communication port 11 enters turbine room 1, part of it can flow into several disks 22 Gap between, and the disk 22 of tesla's turbine 2 is made to rotate (its rotary principle be the prior art, repeat no more), disk 22 Turbine wheel shaft 21 is then driven to rotate.

In the present embodiment, it can refer to Fig. 2, the first gap 10 be formed between above-mentioned disk 22 and the inner wall of turbine room 1.

Above-mentioned bearing assembly 3 is provided with two groups, and two groups of bearing assemblies 3 are symmetrically disposed on 22 two sides of disk, wherein such as Fig. 2 Shown, every group of bearing assembly 3 includes multiple first bearing pieces 31 being sheathed on turbine wheel shaft 21, is matched with first bearing piece 31 The multiple second bearing pieces 32 and ball 33 closed, in this present embodiment, above-mentioned first bearing piece 31 are preferably arranged to four, the Two bearing plates 32 are set as two, and there are three the settings of ball 33.In the present embodiment, outermost two first bearing pieces 31 with The second gap 20 is formed between 1 inner wall of turbine room.

Corresponding be sheathed on of above-mentioned second bearing piece 32 is located in the middle 31 outside of first bearing piece, specifically, the present embodiment Two 32 faces of second bearing piece among the setting of two first bearing pieces 31, and second bearing piece 32 and first bearing piece 31 Thickness it is identical.In addition, second bearing piece 32 and the opposite at L-shaped structure in end of first bearing piece 31, and first bearing piece 31 end is complementary with the end of second bearing piece 32, i.e. the L shape knot of the L-shaped structure of first bearing piece 31 and second bearing piece 32 Structure is mutually inserted, and there are gaps in end and side.

Hemispherical groove is offered on above-mentioned outermost first bearing piece 31 side wall opposite with second bearing piece 32, together When, the end of the first bearing piece 31 adjacent with outermost first bearing piece 31, which opens up, offers 1/4 spherical groove, hemispherical The diameter of groove and 1/4 spherical groove is identical as the diameter of ball 33, and 1/4 spherical groove and above-mentioned hemispherical groove Form one 3/4 spherical grooves.On the other hand, opposite with 1/4 spherical groove of first bearing piece 31 in second bearing piece 32 Position offers 1/4 spherical groove, and the diameter of 1/4 spherical groove is greater than the diameter of ball 33.Above-mentioned ball 33 can be connected to 3/4 Inside of spherical groove, and gap is formed between 1/4 spherical groove.

Arcuation groove is opened up on the opposite side wall of two adjacent second bearing pieces 32, with the two neighboring second bearing piece 32 opposite first bearing pieces 31 offer the first arcuation groove, and the first arcuation groove and above-mentioned two arcuation groove form one A chondritic, ball 33 can be connected in two arcuation grooves, and form gap between the first arcuation groove.

In the present embodiment, between above-mentioned second bearing piece 32 and the side wall of outermost first bearing piece 31 there are Gap, and gap, ball 33 and second bearing between above-mentioned second bearing piece 32 and the side wall of outermost first bearing piece 31 Gap, second bearing piece 32 between piece 32 are collectively formed with the gap between 31 end of first bearing piece and side is connected to two The third space (not marked in figure) in a second gap 20.

Cavity can be equipped with inside above-mentioned combustion chamber 4, above-mentioned turbine room 1 is set in cavity and and cavity with continued reference to Fig. 1 Between be formed with burning needed for space.The communication port 11 of turbine room 1 is connected to above-mentioned cavity, shape after burning in combustion chamber 4 At shooting flow know from experience through communication port 11 enter turbine room 1 in.In the present embodiment, it is preferable that set round for above-mentioned cavity Shape cavity, correspondingly, turbine room 1 is provided in round structure, the left and right ends of turbine room 1 are arranged in above-mentioned communication port 11.Upper Stating combustion chamber 4 can be by oxygen and reaction gas point by probe-type spark plug 41 equipped with several probe-type spark plugs 41 Combustion, and formed supercritical fluid (it should be noted that the formation of the supercritical fluid, need combustion chamber 4 have certain pressure and Temperature, specific pressure and temperature are in the prior art, not illustrate, if the formation environment of supercritical water is critical-temperature T=374 DEG C, critical pressure P=22.1MPa).

Above-mentioned shell 5 is fixed on outside combustion chamber 4, and offers outlet 51 at 5 both ends of shell, and the outlet 51 is for arranging Supercritical fluid out.It is equipped with one-way guide flow valve 52, at outlet 51 to realize the one-way conduction of supercritical fluid.

Above-mentioned linear bearing 6 is sheathed on turbine wheel shaft 21, can the axial float to turbine wheel shaft 21 carry out slowing down weakening, And it can be avoided bearing assembly 3 and be damaged.30 (Fig. 2 institute of the 4th gap is formed between linear bearing 6 and turbine room 1 Show), it is formed with the 5th gap 40 between above-mentioned linear bearing 6 and combustion chamber 4 and shell 5, specifically, the road in the 5th gap 40 Diameter is as shown by the arrows in Figure 3.Above-mentioned 4th gap 30 is respectively communicated in the second gap 20 and cavity, and the 5th gap 40 connects respectively Pass through cavity and outlet 51.

Shaft coupling 7 and shaft coupling 8 are additionally provided between linear bearing 6 and shell 5, which is connected with shaft coupling 8, on It states and the 6th gap 50 (in Fig. 3 shown in dotted line frame), the 6th gap 50 has been collectively formed between shaft coupling 7, shaft coupling 8 and shell 5 It is connected between the 5th gap 40 and outlet 51.

In the present embodiment, pass through circumferential cloth between above-mentioned disk 22, first bearing piece 31, linear bearing 6 and shaft coupling 7 Several first bolts 9 set are fixedly connected.The present embodiment is needed in connection in disk 22, first bearing piece 31, linear bearing 6 and shaft coupling 7 on open up onesize and corresponding through-hole, the first bolt 9 passes through above-mentioned through-hole, and passes through nut company It connects, disk 22, first bearing piece 31, linear bearing 6 and shaft coupling 7 is fixed up.Furthermore it is preferred that, above-mentioned through-hole Diameter is greater than the diameter of the first bolt 9, that is to say, that gap is formed between through-hole and the first bolt 9, and the gap is connected to Outlet 51 (can be specifically connected to) by the way of punching, and role of supercritical fluid is when on disk 22, part shooting flow Body can between through-hole and the first bolt 9 gap outflow, and finally be discharged outlet 51.Setting with this configuration, In While guaranteeing the fixing assembling of disk 22, first bearing piece 31, linear bearing 6 and shaft coupling 7, also it can be realized overcritical The discharge of fluid.

In the present embodiment, above-mentioned first gap 10 is connected to communication port 11, and two the second gaps 20 are respectively communicated in first Gap 10 and cavity, cavity both ends are then connected to the outlet 51.

Above-mentioned tesla's turbine-driven set of the present embodiment when in use, first by combustion chamber 4 be passed through oxygen and Reaction gas is then lighted the two by probe-type spark plug 41, and the supercritical fluid formed after burning is from combustion chamber 4 through even Port 11 enters turbine room 1, and a part of supercritical fluid driving tesla's turbine 2 rotates at this time, another part supercritical fluid Successively pass through the first gap 10, the second gap 20, third space, the second gap 20, the 4th gap 30, cavity, the 5th gap 40 And the 6th behind gap 50, is discharged through outlet 51.

When supercritical fluid successively passes through the second gap 20, third space and the second gap 20, that is, pass through bearing When component 3, supercritical fluid can make between the first bearing piece 31 of bearing assembly 3 and second bearing piece 32 and ball 33 with Contactless state is between first bearing piece 31, second bearing piece 32, when tesla's turbine 2 drives bearing assembly 3 to rotate When, the rotation of bearing assembly 3 is zero friction or is similar to zero frictional rotation, and then it is zero or practically negligible for wearing, and is improved whole The service life of a device.

Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, it is able to carry out each The apparent variation of kind is readjusted and is substituted without departing from the protection scope of the utility model.There is no need and unable to institute Some embodiments are exhaustive.It is made within the spirit and principle of the present invention it is any modification, equivalent replacement and Improve etc., it should be included within the utility model scope of the claims.

Claims (9)

1. a kind of tesla's turbine-driven set characterized by comprising

Turbine room (1), turbine room (1) both ends are equipped with communication port (11)；

Tesla's turbine (2) is set in the turbine room (1), including turbine wheel shaft (21) and is fixedly arranged on the turbine wheel shaft (21) several disks (22) on, are formed with the first gap (10) between the disk (22) and the inner wall of the turbine room (1)；

Two groups of bearing assemblies (3), are symmetrically disposed on the disk (22) two sides, and every group of bearing assembly (3) includes multiple be arranged In first bearing piece (31) and multiple second bearing pieces (32) on the turbine wheel shaft (21), outermost two described first Bearing plate (31) is formed with the second gap (20) between the turbine room (1) inner wall；

Corresponding be sheathed on of the second bearing piece (32) is located in the middle on the outside of the first bearing piece (31), the second bearing It is equipped with ball (33) between the first bearing piece (31) adjacent thereto of the two sides of piece (32), the first bearing piece (31), the third of two second gaps (20) of connection is formed between the second bearing piece (32) and the ball (33) Gap；

Combustion chamber (4), inside are equipped with cavity, and the turbine room (1) is arranged in the cavity, and the communication port (11) and institute Cavity connection is stated, first gap (10) is connected to the communication port (11), and two second gaps (20) are respectively communicated with In first gap (10) and the cavity；

Shell (5) is fixed on the combustion chamber (4) outside, and shell (5) both ends offer outlet (51), the cavity two End is connected to the outlet (51)；

For the supercritical fluid formed after burning in the combustion chamber (4) after the communication port (11), a part drives the spy This draws turbine (2) rotation, and another part successively passes through between first gap (10), second gap (20), the third After gap, second gap (20) and the cavity, it is discharged through the outlet (51).

2. tesla's turbine-driven set according to claim 1, which is characterized in that further include being sheathed on the turbine wheel shaft (21) linear bearing (6) on forms the 4th gap (30) between the linear bearing (6) and the turbine room (1), described straight Spool holds and is formed with the 5th gap (40) between (6) and the combustion chamber (4) and the shell (5), the 4th gap (30) it is respectively communicated in second gap (20) and the cavity, the 5th gap (40) is respectively communicated in the cavity And the outlet (51).

3. tesla's turbine-driven set according to claim 2, which is characterized in that the linear bearing (6) and described Shaft coupling (7) are additionally provided between shell (5).

4. tesla's turbine-driven set according to claim 3, which is characterized in that the disk (22), described first Pass through several first bolts (9) circumferentially between bearing plate (31), the linear bearing (6) and the shaft coupling (7) It is fixedly connected.

5. tesla's turbine-driven set according to claim 1, which is characterized in that outermost two first axles The side wall for holding piece (31) offers hemispherical groove, the adjacent first bearing with the outermost first bearing piece (31) 1/4 spherical groove is offered on piece (31), the ball (33) is connected to the hemispherical groove and 1/4 inside of spherical groove.

6. tesla's turbine-driven set according to claim 5, which is characterized in that the hemispherical groove and 1/4 The diameter of spherical groove is identical as the diameter of the ball (33).

7. tesla's turbine-driven set according to claim 6, which is characterized in that the second bearing piece (32) with open The opposite side end of the first bearing piece (31) equipped with 1/4 spherical groove offers 1/4 spherical groove, and described 1/4 The diameter of spherical groove is greater than the diameter of the ball (33).

8. tesla's turbine-driven set according to claim 7, which is characterized in that two adjacent second bearings The opposite side wall of piece (32) offers arcuation groove, and the ball (33) is connected in two arcuation grooves.

9. tesla's turbine-driven set according to claim 1, which is characterized in that be equipped at the outlet (51) single To diaphragm valve (52).