阅读说明：本技术 高效耐用的自带增压结构的智能免电冷却塔专用水轮机 (Efficient and durable intelligent electricity-free cooling tower special water turbine with pressurization structure ) 是由 杜德军 杜德民 于 2020-06-17 设计创作，主要内容包括：本发明公开了一种高效耐用的自带增压结构的智能免电冷却塔专用水轮机,包括蜗壳、叶片、扇叶和主轴,所述蜗壳的中部开设贯通孔且用于朝下的一侧通孔下方焊接圆管的一端,蜗壳外表面的进水端口与排水管道连接,叶轮定位壳位于蜗壳内,且叶轮定位壳位于排水管道内,同时蜗壳用于朝上的一侧通孔通过螺栓固定连接密封端盖。本发明能够用于水压不稳的免电冷却塔中,通过调节限位并利用自身旋转的离心力实现内部叶片的角度调节,从而改变蜗壳下方圆管内从叶片处排水的面积,进而可以根据需要实现增压和减压效果,满足压力不够时自身增压,保证内部喷洒水的均匀。(The invention discloses a high-efficiency durable intelligent electricity-free cooling tower special water turbine with a pressurizing structure, which comprises a volute, blades, fan blades and a main shaft, wherein a through hole is formed in the middle of the volute, one end of a circular pipe is welded below the through hole on one side facing downwards, a water inlet port on the outer surface of the volute is connected with a drainage pipeline, an impeller positioning shell is positioned in the volute and positioned in the drainage pipeline, and meanwhile, the through hole on one side facing upwards of the volute is fixedly connected with a sealing end cover through a bolt. The invention can be used in an electricity-free cooling tower with unstable water pressure, realizes the angle adjustment of the internal blade by adjusting the limit and utilizing the self-rotating centrifugal force, thereby changing the area of water discharged from the blade in the round pipe below the volute, further realizing the pressurization and decompression effects according to the requirement, satisfying the self-pressurization when the pressure is insufficient, and ensuring the uniformity of water sprayed inside.)

1. The utility model provides a high-efficient durable special hydraulic turbine of electricity cooling tower is exempted from to intelligence of taking pressure boost structure, includes spiral case (3), blade (4), flabellum (9) and main shaft (10), the one end that the perforating hole just is used for one side through-hole below welding pipe downwards is seted up at the middle part of spiral case (3), the port of intaking and the drainage pipe of spiral case surface are connected, impeller location shell (5) are located spiral case (3), and impeller location shell (5) are located drainage pipe, simultaneously spiral case (3) are used for one side through-hole up to pass through bolt fixed connection end cover, a serial communication port, impeller location shell (5) mainly comprise casing (23) and head end cover (24), casing (23) one end down passes through screw seal connection end cover (24), the inside coaxial inner support (22) that is provided with of casing (23), the top skin weld of inner support (22) has another afterbody end cover and passes through screw seal connection at casing (23) towards end cover (24) One end of (1); the surface of the shell (23) is provided with a plurality of mounting holes, the main body of the inner support (22) is of a cylindrical structure, the surface of the inner support is also provided with a plurality of mounting holes, the mounting holes on the shell (23) and the mounting holes on the inner support (22) are coaxially arranged, the top of the inner support (22) is integrally connected with a coaxial sliding sleeve (20), the sliding sleeve (20) is connected with the lower half section of the main shaft (10) in a sliding way, the lower end of the main shaft (10) is integrally processed with a coaxially arranged threaded column (19), and a piston (26) is fixed on the threaded column (19) through the extrusion of a nut, the piston (26) is connected in the inner bracket (22) in a sliding way, the lower end part of the threaded column (19) is also fixedly connected with one end of a pin shaft (25), the other end of the pin shaft (25) is rotatably connected with one end of a connecting rod B (28), and the other end of the connecting rod B (28) is rotatably connected with the eccentric position of a rotating table (27) through a pin; a shaft is formed on one side surface of the rotating platform (27), passes through a mounting hole in the shell (23) and is rotatably connected to a mounting hole in the inner support (22) through a bearing; the outer surface of the shaft is also provided with a circle of steps, and the end surface of each step is used for being rotationally connected with the other end of the connecting rod B (28); the other side surface of the rotating platform (27) is welded with a blade (4); a plurality of notches (17) are formed in the middle of the main shaft (10) and positioned outside the sliding sleeve (20), the notches (17) are connected with one end of a connecting rod A (12) through pins, the other end of the connecting rod A (12) is fixedly connected with a metal ball (11), a sliding groove is formed in the middle of the connecting rod A (12), a sliding shaft connected with the top of an annular sliding block (13) is connected in the sliding groove in a sliding mode, the annular sliding block (13) is pressed on balls (14) arranged at the top of the lifting support (1), the annular sliding block (13) and the lifting support (1) are both arranged coaxially with the main shaft (10), meanwhile, the contact surface of the annular sliding block (13) and the balls (14) is an arc line, and lubricating grease is applied in the actual installation process; lifting support (1) is cylindric for the surface takes shape the processing screwed, and lifting support's (1) inboard is seted up guide way and sliding connection on the vertical guide post of sealed end cover upper surface shaping, and the external screw thread threaded connection internal thread section of thick bamboo (2) of lifting support (1) simultaneously, internal thread section of thick bamboo (2) rotate through the bearing and connect in the cylinder that sealed end cover top takes shape in addition, the surface of internal thread section of thick bamboo (2) also takes shape has a driven ring gear, driven ring gear meshing driving gear (8), driving gear (8) fixed connection is at the output of driving motor (7), and driving motor (7) fixed mounting is on sealed end cover.

2. The efficient and durable intelligent electricity-free cooling tower special water turbine with the supercharging structure as claimed in claim 1, wherein a mounting hole for a sliding sleeve (20) to pass through is formed in the middle of the sealing end cover, and a mechanical seal is arranged between the sliding sleeve (20) and the mounting hole.

3. The high-efficiency durable intelligent electricity-free cooling tower special water turbine with the pressurization structure is characterized in that a sealing ring is filled and connected between the inner side surface of the rotating platform (27) and the shell (23).

4. The high-efficiency durable intelligent electricity-free cooling tower special water turbine with the pressurization structure is characterized in that a vent hole is formed in the top of the inner support (22) above the piston (26).

5. The efficient and durable intelligent electricity-free cooling tower special water turbine with the supercharging structure as claimed in claim 1, wherein a guide rail (18) is welded along the axial direction of the outer surface of a section of the main shaft (10) located in the sliding sleeve (20), and the guide rail (18) is correspondingly slidably connected in a sliding groove formed in the inner wall of the sliding sleeve (20).

6. The efficient and durable intelligent electricity-free cooling tower special water turbine with the supercharging structure as claimed in claim 1, wherein a groove is formed in the top of the main body of the lifting support (1), a plurality of balls (14) are arranged in the groove, the depth of the groove can be larger than the radius of the balls (14) in the actual processing process, and after the balls are placed in the groove, the edge of the top of the groove is retracted in an external extrusion mode so as to limit the balls from sliding out.

7. The efficient and durable intelligent electricity-free cooling tower special water turbine with the supercharging structure as claimed in claim 1, wherein a part of the connecting rod A (12) located inside the lifting support (1) is further provided with another sliding groove, a sliding shaft welded to the top of the guide rod (16) is slidably connected in the other sliding groove, the guide rod (16) penetrates through a through hole correspondingly formed in a positioning plate (21) with a hollow middle, the positioning plate (21) is welded to the top end of the sliding sleeve (20), a baffle is formed in the upper portion of the guide rod (16), and a spring (15) is sleeved on the guide rod (16) between the baffle and the positioning plate (21).

8. The high-efficiency durable intelligent electricity-free cooling tower special water turbine with the pressurization structure is characterized in that an electronic pressure gauge is arranged at an inlet of the volute (3) in a hole and in a sealing mode, the electronic pressure gauge is connected with an input end of a controller through a data line, an output end of the controller is connected with a motor, and the motor, the electronic pressure gauge and the controller are all powered through a power supply.

Technical Field

The invention relates to an electricity-free cooling tower accessory, in particular to a high-efficiency and durable intelligent electricity-free cooling tower special water turbine with a pressurization structure.

Background

Compared with the traditional cooling tower, the energy-saving and power-saving technology of the cooling tower does not use an electric cooling tower, does not use a motor to drive the fan blades to rotate, and completely saves a motor device. The principle of the water machine is that the water flow is converted into the mass of pushing air to exchange heat with hot water. And the motor uses several kilowatts of electric power to convert into the mass of the propelling air for heat exchange. The shaft power of the cooling tower water machine without the motor is the same as that of the motor, the same cooling effect can be achieved, and the appearance, the structure, the size and the cooling principle of the cooling tower do not need to be changed.

However, the working efficiency of the water turbine without electricity is in direct proportion to the water supply pressure, and the kinetic energy of the discharged hot water is fluctuated, so that the working efficiency of the water turbine is fluctuated.

Disclosure of Invention

The invention aims to provide a high-efficiency and durable special water turbine with a pressurization structure for an intelligent electricity-free cooling tower, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-efficiency and durable intelligent electricity-free cooling tower special water turbine with a pressurizing structure comprises a volute, blades, fan blades and a main shaft, wherein a through hole is formed in the middle of the volute, one end of a circular pipe is welded below the through hole on one side facing downwards, a water inlet port in the outer surface of the volute is connected with a drainage pipeline, an impeller positioning shell is positioned in the volute and positioned in the drainage pipeline, and meanwhile the through hole on one side facing upwards of the volute is fixedly connected with a sealing end cover through a bolt; the impeller positioning shell mainly comprises a shell and a head end cover, wherein the downward end of the shell is connected with the head end cover through a screw in a sealing manner, an inner support is coaxially arranged in the shell, and the outer surface of the top of the inner support is welded with another tail end cover and is connected with the upward end of the shell through a screw in a sealing manner; the surface of the shell is provided with a plurality of mounting holes, the main body of the inner support is of a cylindrical structure, the surface of the inner support is also provided with a plurality of mounting holes, the mounting holes in the shell and the mounting holes in the inner support are coaxially arranged, the top of the inner support is integrally connected with a coaxial sliding sleeve, the sliding sleeve is slidably connected with the lower half section of the main shaft, the lower end of the main shaft is integrally processed with a coaxially arranged threaded column, a piston is extruded and fixed on the threaded column through a nut, the piston is slidably connected in the inner support, the end part of the lower end of the threaded column is also fixedly connected with one end of a pin shaft, the other end of the pin shaft is rotatably connected with one end of a connecting rod B, and the other end of; a shaft is formed on one side surface of the rotating platform, penetrates through the mounting hole in the shell and is rotatably connected to the mounting hole in the inner support through a bearing; a circle of steps are formed on the outer surface of the shaft, and the end face of each step is used for being rotationally connected with the other end of the connecting rod B; the other side surface of the rotating table is welded with a blade; a plurality of notches are formed in the middle of the main shaft and positioned outside the sliding sleeve, one end of a connecting rod A is connected in each notch through a pin, a metal ball is fixedly connected to the other end of the connecting rod A, a sliding groove at one end is formed in the middle of the connecting rod A, a sliding shaft connected with the top of an annular sliding block is slidably connected in the sliding groove, the annular sliding block is pressed on balls arranged at the top of a lifting support, the annular sliding block and the lifting support are coaxially arranged with the main shaft, meanwhile, the contact surface of the annular sliding block and the balls is an arc line, and lubricating grease is applied in the actual installation process; lifting support is the cylindric of surface shaping processing screw thread, and lifting support's inboard is seted up the guide way and is sliding connection on the vertical guide post of sealed end cover upper surface shaping, and lifting support's external screw thread connection internal thread section of thick bamboo simultaneously, and internal thread section of thick bamboo passes through the bearing and rotates the connection in the other shaping drum in sealed end cover top, the surface of internal thread section of thick bamboo also is formed with a driven ring gear, driven ring gear meshing driving gear, driving gear fixed connection is at driving motor's output, and driving motor fixed mounting is on sealed end cover.

As a further scheme of the invention: and the middle part of the sealing end cover is provided with a mounting hole for the sliding sleeve to pass through, and a mechanical seal is arranged between the sliding sleeve and the mounting hole.

As a further scheme of the invention: and a sealing ring is filled and connected between the inner side surface of the rotating table and the shell.

As a further scheme of the invention: and the top of the inner support corresponding to the upper part of the piston is provided with a vent hole.

As a further scheme of the invention: the main shaft is located in the sliding sleeve, a section of the outer surface of the main shaft in the sliding sleeve is welded with a guide rail along the axial direction of the main shaft, and the guide rail is correspondingly connected in a sliding groove formed in the inner wall of the sliding sleeve in a sliding mode.

As a further scheme of the invention: the groove is formed in the top of the main body of the lifting support, a plurality of balls are arranged in the groove, the depth of the groove can be larger than the radius of the balls in the actual machining process, and the edges of the top of the groove are retracted in the manner of external extrusion after the balls are placed in the groove, so that the balls are limited not to slide out.

As a further scheme of the invention: the part of the connecting rod A, which is positioned on the inner side of the lifting support, is also provided with another sliding chute, a sliding shaft welded at the top of the guide rod is slidably connected in the other sliding chute, meanwhile, the guide rod penetrates through a through hole correspondingly formed in the positioning plate with a hollow middle part, the positioning plate is welded at the top end of the sliding sleeve, the upper part of the guide rod is also formed and processed with a baffle, and a spring is sleeved on the guide rod between the baffle and the positioning plate.

As a further scheme of the invention: the inlet opening of spiral case department trompil and seal installation electron pressure gauge, electron pressure gauge pass through the input of data line connection controller, and the motor is connected to the output of controller, and motor, electron pressure gauge and controller all pass through the power supply.

Compared with the prior art, the invention has the beneficial effects that: the invention can be used in an electricity-free cooling tower with unstable water pressure, realizes the angle adjustment of the internal blades by adjusting the limit and utilizing the self-rotating centrifugal force, thereby changing the area of water discharged from the blades in the round pipe below the volute, further realizing the pressurization and decompression effects according to the needs, satisfying the self-pressurization when the pressure is insufficient, and ensuring the uniformity of water sprayed inside.

Drawings

Fig. 1 is a schematic structural diagram of a highly-efficient and durable intelligent electricity-free cooling tower special water turbine with a pressurization structure.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a main shaft in a high-efficiency durable intelligent electricity-free cooling tower special water turbine with a pressurization structure.

Fig. 4 is a structural schematic diagram of the blade position in the intelligent electricity-free cooling tower special hydraulic turbine with a supercharging structure, which is efficient and durable.

Fig. 5 is a schematic structural diagram of a connection between a rotating platform and a connecting rod in a highly-efficient and durable intelligent electricity-free cooling tower special water turbine with a pressurization structure.

In the figure: the device comprises a lifting support 1, an internal thread sleeve 2, a volute 3, a blade 4, an impeller positioning shell 5, a bearing 6, a driving motor 7, a driving gear 8, a fan blade 9, a main shaft 10, a metal ball 11, a connecting rod A12, an annular sliding block 13, a ball 14, a spring 15, a guide rod 16, a notch 17, a guide rail 18, a threaded column 19, a sliding sleeve 20, a positioning plate 21, an inner support 22, a shell 23, a head end cover 24, a pin shaft 25, a piston 26, a rotating table 27 and a connecting rod B28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the invention, a high-efficiency and durable intelligent power-free cooling tower special-purpose water turbine with a pressurization structure comprises a volute 3, blades 4, fan blades 9 and a spindle 10, wherein a through hole is formed in the middle of the volute 3, one end of a circular pipe is welded below the through hole on one side facing downwards, a water inlet port on the outer surface of the volute is connected with a drainage pipeline, an impeller positioning shell 5 is located in the volute 3, the impeller positioning shell 5 is located in the drainage pipeline, meanwhile, the through hole on one side facing upwards of the volute 3 is fixedly connected with a sealing end cover through a bolt, an installation hole for a sliding sleeve 20 to penetrate through is formed in the middle of the sealing end cover, and a mechanical seal is arranged between the sliding sleeve 20; the impeller positioning shell 5 mainly comprises a shell 23 and a head end cover 24, wherein the downward end of the shell 23 is connected with the head end cover 24 through a screw seal, an inner support 22 is coaxially arranged in the shell 23, and the outer surface of the top of the inner support 22 is welded with another tail end cover and is connected with the upward end of the shell 23 through a screw seal; the surface of the shell 23 is provided with a plurality of mounting holes, the main body of the inner support 22 is of a cylindrical structure, the surface of the inner support 22 is also provided with a plurality of mounting holes, the mounting holes on the shell 23 and the mounting holes on the inner support 22 are coaxially arranged, the top of the inner support 22 is integrally connected with a coaxial sliding sleeve 20, the sliding sleeve 20 is slidably connected with the lower half section of the main shaft 10, the lower end of the main shaft 10 is integrally formed and provided with a coaxially arranged threaded column 19, a piston 26 is fixedly extruded on the threaded column 19 through a nut, the piston 26 is slidably connected in the inner support 22, the piston is used as a stable adjusting structure, the lower end part of the threaded column 19 is also fixedly connected with one end of a pin shaft 25, the other end of the pin shaft 25 is rotatably connected with one end of a connecting rod B28, and the other end of the connecting rod B28 is;

a shaft is formed on one side surface of the rotating platform 27, the shaft penetrates through a mounting hole in the shell 23 and is rotatably connected to a mounting hole in the inner support 22 through a bearing, and meanwhile, a sealing ring is filled and connected between the inner side surface of the rotating platform 27 and the shell 23 to ensure the sealing property; the outer surface of the shaft is also provided with a circle of steps, and the end surface of each step is used for being rotationally connected with the other end of the connecting rod B28; the other side surface (the outward side surface) of the rotating table 27 is welded with a blade 4; in the in-process of in-service use, realize driving the elevating movement of round pin axle 25 through pulling main shaft 10 from top to bottom, and then the transmission gives connecting rod B28, and connecting rod B28 can pull and promote the revolving stage 27 and rotate to realize the regulation of outside blade 4 angle, change the area of following the blade department drainage in the pipe below spiral case 3 through the angle of adjusting blade 4, and then can realize pressure boost and decompression effect as required.

The top of the inner support 22 corresponding to the upper part of the piston 26 is provided with a vent hole, which is convenient for the piston to move and vent.

The main shaft 10 is welded with a guide rail 18 along the axial direction of the outer surface of a section of the inner wall of the sliding sleeve 20, and the guide rail 18 is correspondingly connected in a sliding groove formed in the inner wall of the sliding sleeve 20 in a sliding manner, so that the directional lifting is realized and the deflection is avoided.

A plurality of notches 17 are formed in the middle of the main shaft 10 and located outside the sliding sleeve 20, one end of a connecting rod A12 is connected in each notch 17 through a pin, a metal ball 11 is fixedly connected to the other end of the connecting rod A12, a sliding groove is formed in the middle of the connecting rod A12, a sliding shaft connected with the top of an annular sliding block 13 is connected in the sliding groove in a sliding mode, the annular sliding block 13 is pressed on the balls 14 arranged at the top of the lifting support 1, the annular sliding block 13 and the lifting support 1 are both arranged coaxially with the main shaft 10, meanwhile, the contact surface of the annular sliding block 13 and the balls 14 is an arc line, and lubricating grease is smeared in the actual installation process; the lifting support 1 is cylindrical, the outer surface of the lifting support 1 is provided with a thread, the inner side of the lifting support 1 is provided with a guide groove and is connected to a vertical guide post formed on the upper surface of a sealing end cover in a sliding mode, meanwhile, an external thread of the lifting support 1 is connected with an internal thread cylinder 2, the internal thread cylinder 2 is connected to the inside of a cylinder formed at the top of the sealing end cover in an additional mode through a bearing in a rotating mode, a driven gear ring is formed on the outer surface of the internal thread cylinder 2 and is meshed with a driving gear 8, the driving gear 8 is fixedly connected to the output end of a driving motor 7, the driving motor 7 is fixedly installed on the sealing end cover, the driving motor 7 drives the internal thread cylinder 2 to rotate in actual use, lifting control of the lifting support 1 is further achieved, a connecting rod A12 can be opened, and under the pushing of internal liquid, the semi-automatic adjustment of the water pressure passing through the blades is realized.

The groove is opened at the main part top of lifting support 1 and a plurality of balls 14 are arranged in the groove, the depth of the groove can be larger than the radius of the balls 14 in the actual processing process, and after the balls are put into the groove, the edge of the top of the groove is slightly retracted in an external extrusion mode so as to limit the balls not to slide out and ensure stable use.

The part of the connecting rod A12, which is positioned on the inner side of the lifting support 1, is also provided with another sliding groove, the other sliding groove is in sliding connection with a sliding shaft welded at the top of the guide rod 16, meanwhile, the guide rod 16 penetrates through a through hole correspondingly formed in the positioning plate 21 with a hollow middle part, the positioning plate 21 is welded at the top end of the sliding sleeve 20, the upper part of the guide rod 16 is also formed and processed with a baffle, a spring 15 is sleeved on the guide rod 16 between the baffle and the positioning plate 21, and the spring 15 is used for slowing down the expanding speed of the metal ball under the centrifugal action and plays.

An opening is formed at the liquid inlet of the volute 3, an electronic pressure gauge is installed in a sealing mode and connected with the input end of the controller through a data line, the output end of the controller is connected with a motor, and the motor, the electronic pressure gauge and the controller are all powered through a power supply; the motor of the application adopts a servo motor, when the motor is actually designed and installed, the setting is carried out according to the lifting height of the lifting support 1 and the water pressure fluctuation range of water supply, the inclination angle of the blade is the largest when the lifting support is positioned at the highest position, and then a linear function is established, namely, the motor is controlled to drive the lifting support to descend along with the reduction of water pressure, so that the water outlet cross-sectional area of the blade is adjusted, the supercharging effect is realized, the rotating speed of the fan blade is stable, and the heat dissipation is stable; simultaneously the metal ball and the spring that adopt in this application can the energy storage guarantee through inertia that inside water pressure changes and level and smooth when adjusting.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art from the specific situation.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the invention can be made, and equivalents may be substituted for elements thereof without departing from the scope of the invention.