CN217055628U - Shaft-lifting-free mechanical regulator - Google Patents

Abstract

The utility model discloses an exempt from to lift an mechanical governor belongs to and exempts from to lift an mechanical governor technical field, including last box, host computer end panel, dustcoat, middle box, intermediate flange, transmission case, power supply sliding ring and locking partition panel, upward be equipped with the motor in the box, the power supply sliding ring is located the locking partition panel, be equipped with the reducing gear box in the intermediate box, the reducing gear box is connected with the main shaft of motor, be equipped with the bearing rather than fixed connection in the transmission case, be equipped with the drive screw who is connected rather than the transmission on the output of reducing gear box, drive screw rotates with the bearing to be connected, and the bottom of transmission case is equipped with mounting flange, be equipped with rather than sliding fit's action pole on the mounting flange, action pole and drive screw cooperation. The utility model discloses the reducing gear box of modular design can reduce the volume of reducing gear box in the regulator, reduces weight, compares with prior art, is favorable to the transport and the installation to the regulator when using the regulator.

Description

Shaft-lifting-free mechanical regulator

Technical Field

The utility model belongs to the technical field of exempt from to lift an mechanical governor, especially, relate to an exempt from to lift an mechanical governor.

Background

The vertical axial-flow pump belongs to a vane type pump, and the pump has the characteristics of large flow, low lift, high specific speed, high efficiency, small occupied area, variability of performance parameters, suitability for low water level conditions and the like. Therefore, the pump type is often preferred in agriculture irrigation and drainage, urban water supply and drainage, circulating water delivery in thermal power plants and other projects. The existing domestic fully-adjustable axial-flow pump (including guide vane type mixed-flow pump, the same below) is matched with three regulators: the first is an external fixed mechanical regulator; the second is hydraulic synchronous speed regulator for water turbine and water pump blade angle; the third is a built-in rotary mechanical regulator.

Chinese patent as publication No. CN209855948U discloses a lift-free shaft mechanical regulator, which comprises an outer cover, a motor, a power box, a power supply slip ring, a gear box, and a transmission flange: the power box is arranged on the outer side of the motor; the power supply slip ring is arranged at the top end of the power box, and the motor is connected with the power supply slip ring; the gear box is arranged at the lower part of the power box; an output reduction gear, a third reduction gear, a second reduction gear and a first reduction gear are sequentially arranged in the gear box, a motor is arranged at the upper part of the gear box, and a coupler is arranged at the tail end of the output reduction gear; the motor is matched with the first-stage reduction gear through a shaft lever; the matching part sleeve of the power box and the gear box is connected with the supporting seat; the coupler is matched with the pinion; the transmission flange is screwed into the large gear, the clamping key is matched with the transmission flange, the clamping key is arranged on the supporting seat, the measuring plate is arranged on the transmission flange, and the displacement sensor is arranged on the supporting seat; the outer cover is arranged on the outer side. The utility model discloses can adjust, measure water pump blade angle, be fit for all water pump units of adjusting entirely and use.

However, the above patent has problems that, firstly, the power output part is transmitted through the coupling when in use, which results in the decrease of the kinetic energy output and the easy damage of the coupling, which affects the use, and, secondly, the reducer is bulky when in use, which wastes time and labor when transporting the device, which is inconvenient for the use of the adjuster.

Disclosure of Invention

An embodiment of the utility model provides an exempt from to lift a mechanical governor to solve the problem among the prior art.

The embodiment of the utility model provides an adopt following technical scheme: a shaft-lifting-free mechanical regulator comprises an upper box body, a main machine end panel, an outer cover, a middle box body, a middle flange, a transmission case, a power supply slip ring and a stopping partition panel, wherein the main machine end panel is horizontally arranged, the outer cover is covered on the main machine end panel, the stopping partition panel is arranged at the inner top of the outer cover, the upper box body is arranged in the outer cover and is connected with the bottom of the stopping partition panel, the middle box body is connected with the upper box body, the middle flange is arranged at the bottom of the middle box body, the transmission case is arranged at the bottom of the middle flange, a motor is arranged in the upper box body, the power supply slip ring is arranged in the stopping partition panel and is electrically connected with the power supply slip ring and the motor, a reduction box is arranged in the middle box body and is connected with a main shaft of the motor, a bearing fixedly connected with the transmission case is arranged in the transmission case, and a transmission screw rod in transmission connection with the reduction box is arranged at the output end of the reduction box, the transmission screw is rotationally connected with the bearing, the bottom of the transmission case is provided with a mounting flange, the mounting flange is provided with an action rod in sliding fit with the mounting flange, and the action rod is matched with the transmission screw.

Furthermore, the action rod is provided with threads, and the transmission screw rod is in threaded connection with the action rod.

Furthermore, a sealing element is arranged on the bearing.

Further, the reduction gearbox is of modular design.

The embodiment of the utility model provides an above-mentioned at least one technical scheme who adopts can reach following beneficial effect:

one of which, the utility model discloses when using, the power supply slip ring supplies power to the motor and makes the motor work, the motor goes on just, the speed reduction gear that the reversal drove in the reducing gear box rotates, speed reduction gear rotates and drives drive screw and rotates, drive screw rotates and drives the action pole and reciprocate on mounting flange, thereby drive water pump blade, change the blade angle, be fit for all full water pump unit uses, direct drive is connected between drive screw and the reducing gear box, at the in-process that carries out power transmission, can directly transmit power to drive screw on, make the better of power application, compare with prior art, there is not the shaft coupling when carrying out power transmission, can not be because the damage of shaft coupling using, influence the transmission of power, influence the use of regulator.

And secondly, the utility model discloses be equipped with in the reducing gear who is used for the speed reduction to the motor spindle, the reducing gear box of modular design can reduce the volume of reducing gear box in the regulator, reduces weight, compares with prior art, is favorable to the transport and the installation to the regulator when using the regulator.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a top view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a sectional view of the structure of the present invention;

reference numerals

The device comprises an upper box body 1, a host end panel 2, an outer cover 3, a middle box body 4, a middle flange 5, a transmission case 6, a power supply slip ring 7, a stopping partition plate 8, a reduction gearbox 9, a bearing 10, a motor 11, a mounting flange 12, a transmission screw 13, an action rod 14 and a sealing piece 15.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, in which the technical solution of the present invention is clearly and completely described. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 3, an embodiment of the present invention provides a lift-free mechanical regulator, including an upper box 1, a main machine end panel 2, an outer cover 3, a middle box 4, a middle flange 5, a transmission case 6, a power supply slip ring 7 and a stop partition panel 8, wherein the main machine end panel 2 is horizontally disposed, the outer cover 3 covers the main machine end panel 2, the stop partition panel 8 is disposed on an inner top portion of the outer cover 3, the upper box 1 is disposed in the outer cover 3 and connected to a bottom portion of the stop partition panel 8, the middle box 4 is connected to the upper box 1, the middle flange 5 is disposed at a bottom portion of the middle box 4, the transmission case 6 is disposed at a bottom portion of the middle flange 5, a motor 11 is disposed in the upper box 1, the power supply slip ring 7 is disposed in the stop partition panel 8 and electrically connected to the power supply slip ring 7 and the motor 11, a reduction gearbox 9 is disposed in the middle box 4, the speed reduction box 9 is connected with a main shaft of the motor 11, a bearing 10 fixedly connected with the speed reduction box 6 is arranged in the speed reduction box 6, a transmission screw 13 in transmission connection with the speed reduction box 9 is arranged at the output end of the speed reduction box 9, the transmission screw 13 is rotatably connected with the bearing 10, a mounting flange 12 is arranged at the bottom of the speed reduction box 6, an action rod 14 in sliding fit with the mounting flange 12 is arranged on the mounting flange 12, and the action rod 14 is matched with the transmission screw 13. The stopping partition board 8 can block current, when the electric vehicle is used, the power supply slip ring 7 supplies power to the motor 11 to enable the motor 11 to work, the motor 11 rotates forwards and backwards to drive the reduction gear in the reduction gearbox 9 to rotate, the reduction gear rotates to drive the transmission screw 13 to rotate, the transmission screw 13 rotates to drive the action rod 14 to move up and down on the mounting flange 12, thereby driving the water pump blades, changing the blade angle, being suitable for all the fully-regulated water pump units, directly driving and connecting the transmission screw 13 and the reduction gearbox 9, in the process of power transmission, the power can be directly transmitted to the transmission screw 13, so that the power application is better, compared with the prior art, the coupler is not needed during power transmission, and the transmission of power and the use of the regulator are not affected due to the damage of the coupler during use.

Specifically, the action rod 14 is provided with threads, and the transmission screw 13 is in threaded connection with the action rod 14. When the water pump blade is used, the motor 11 works to drive the reduction gearbox 9 to work, the reduction gearbox 9 reduces the speed of power transmission, so that the transmission screw 13 is driven to rotate, the transmission screw 13 rotates to drive the action rod 14 to move up and down on the mounting flange 12, and therefore the water pump blade is driven, and the blade angle is changed.

Specifically, the bearing 10 is provided with a seal 15. The sealing element 15 can ensure that the oil in the reduction gearbox 9 does not overflow outwards when the reduction gearbox 9 is used, so that the use is not influenced.

In particular, the reduction gearbox 9 is of modular design. The reduction gear box 9 is internally provided with a reduction gear for reducing the speed of the main shaft of the motor 11, the reduction gear box 9 with modular design can reduce the volume of the reduction gear box 9 in the regulator, and the weight of the regulator is reduced.

The utility model discloses a theory of operation: when the utility model is used, the regulator main body is fixed on the top end of the main motor shaft matched with the water pump, the water pump shaft and the motor 11 shaft are hollow shafts, a blade regulating pull or push rod is arranged in the hollow shaft, and the regulator synchronously rotates along with the rotation of the motor 11; the outer cover 3 of the regulator is fixed on the top end of the main motor outer cover, and a power supply is provided for the motor 11 through the installed power supply slip ring 7; the motor 11 rotates forwards and backwards to drive the transmission screw 13 to rotate, and the transmission screw 13 rotates to drive the action rod 14 to move up and down on the mounting flange 12, so that the water pump blades are driven, and the blade angle is changed.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (4)

1. The utility model provides a exempt from to lift a mechanical governor, its characterized in that, includes last box (1), host computer end panel (2), dustcoat (3), middle box (4), intermediate flange (5), transmission case (6), power supply sliding ring (7) and locking partition panel (8), host computer end panel (2) are the level setting, dustcoat (3) cover is established on host computer end panel (2), locking partition panel (8) set up the interior top of dustcoat (3), it sets up in dustcoat (3) and is located the bottom of locking partition panel (8) to go up box (1) and connects, middle box (4) are connected with last box (1), intermediate flange (5) are located the bottom of middle box (4), transmission case (6) are located the bottom of middle flange (5), upward be equipped with motor (11) in box (1), power supply sliding ring (7) are located locking partition panel (8) and power supply sliding ring (7) and motor (11) are equipped with in box (11), power supply sliding ring (7) and supply sliding ring (11) are located in partition panel (8) ) The electric connection, be equipped with reducing gear box (9) in middle box (4), reducing gear box (9) are connected with the main shaft of motor (11), be equipped with in transmission case (6) rather than fixed connection's bearing (10), be equipped with on the output of reducing gear box (9) rather than transmission connection's drive screw (13), drive screw (13) are connected with bearing (10) rotation, the bottom of transmission case (6) is equipped with mounting flange (12), be equipped with rather than sliding fit's action bars (14) on mounting flange (12), action bars (14) and drive screw (13) cooperation.

2. The lift-free mechanical adjuster of claim 1, wherein: the action rod (14) is provided with threads, and the transmission screw rod (13) is in threaded connection with the action rod (14).

3. The lift-free mechanical adjuster of claim 1, wherein: and a sealing element (15) is arranged on the bearing (10).

4. The lift-free mechanical adjuster of claim 1, wherein: the reduction gearbox (9) is of modular design.

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