CN114962570A

CN114962570A - Control device of high-speed rotating mechanical equipment

Info

Publication number: CN114962570A
Application number: CN202210005584.6A
Authority: CN
Inventors: 沈艳河; 杨彦涛; 柴杉; 王瑨; 杜金博
Original assignee: Yellow River Conservancy Technical Institute
Current assignee: Yellow River Conservancy Technical Institute
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-08-30

Abstract

The invention discloses a control device of high-speed rotating mechanical equipment, and belongs to the technical field of mechanical equipment. A control device of high-speed rotating mechanical equipment comprises a rotating cylinder, wherein a fixed ring is rotatably sleeved on the outer side of the rotating cylinder, the bottom of the fixed ring is fixedly connected with a support frame, the bottom of the rotating cylinder is connected with a buffer device, the bottom of the buffer device is connected with an external protection device, a speed regulating device is arranged inside the external protection device, and the speed regulating device comprises a gear ring, three planetary gears, a sun gear and a regulating device; the planet gear is located between the gear ring and the sun gear and is meshed with the gear ring and the sun gear, the planet gear is connected with the bottom of the external protection device, the gear ring and the sun gear are both installed at the top of the adjusting device, and the gear ring and the sun gear can move up and down. The invention solves the problem that the acceleration is not enough when the existing speed control device changes the speed of equipment.

Description

Control device of high-speed rotating mechanical equipment

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a control device of high-speed rotating mechanical equipment.

Background

For equipment needing high-speed rotation, such as a centrifuge or some reaction kettles, the working process of the equipment often needs to change the rotating speed, the speed is difficult to be quickly switched when the rotating speed is changed, and the equipment needs to bear large force in the speed changing process, so that the equipment is easily damaged.

Disclosure of Invention

1. Technical problem to be solved

The present invention is directed to a control device for a high-speed rotating machine, to solve the problems of the background art:

when the speed of the existing speed control device is changed, the acceleration is insufficient or too high, so that the equipment is easily damaged.

2. Technical scheme

A control device of high-speed rotating mechanical equipment comprises a rotating cylinder, wherein a fixed ring is rotatably sleeved on the outer side of the rotating cylinder, the bottom of the fixed ring is fixedly connected with a support frame, the bottom of the rotating cylinder is connected with a buffer device, the bottom of the buffer device is connected with an external protection device, a speed regulating device is arranged inside the external protection device, and the speed regulating device comprises a gear ring, three planetary gears, a sun gear and a regulating device;

the sun gear is located the central point of ring gear and puts, planetary gear is located between ring gear and the sun gear and with three intermeshing, planetary gear is connected with outside protection device's bottom, ring gear and sun gear all install the top at adjusting device, ring gear and sun gear can reciprocate.

Preferably, buffer includes that the top is connected the lid, the bottom fluting and the inslot rotation that the lid was connected at the top are provided with the bottom connecting plate, fixedly connected with several spliced pole on the top inner wall that the lid was connected at the top, the both sides of spliced pole are connected with the spring, the other end of spring is connected with the baffle, the bottom of baffle and the top fixed connection of bottom connecting plate, the bottom of bottom connecting plate is provided with external tooth and internal tooth, the external tooth is located sun gear's top, the internal tooth is located the top of ring gear.

Preferably, the external protection device comprises a shell, the top of the shell is sleeved outside the top connecting cover, the outer side of the shell is connected with a protective shell, the inner side of the bottom of the protective shell is connected with a motor, an output end of the motor is fixedly connected with a driving gear, the driving gear is in meshed transmission with the outer side of a gear ring, the bottom of the shell is connected with a bottom plate, and an adjusting groove is formed in one end, away from the protective shell, of the shell.

Preferably, the inboard and the outside of ring gear all are equipped with the latch, the top of ring gear is provided with ring tooth A, the bottom fixedly connected with change of ring gear, the inside of change is provided with big bearing, the inside of big bearing is provided with the go-between, the equal fixedly connected with connecting piece A in bottom both sides of go-between.

Preferably, a planet gear shaft is rotatably inserted into the planet gear, and the planet gear shaft is fixedly installed on the top of the bottom plate.

Preferably, the top of the sun gear is provided with a ring gear B, a sun gear shaft is inserted into the sun gear in a rotating mode, the sun gear shaft is fixedly installed at the top of the bottom plate, a small bearing is sleeved on the outer side of the sun gear shaft, and two sides of the bottom of the small bearing are connected with connecting pieces B.

Preferably, adjusting device includes two sets of drive assembly, every group drive assembly includes two quarter butts and a stock, quarter butt movable mounting is at the both ends of stock, the quarter butt respectively with connecting piece A and connecting piece B swing joint, the middle part swing joint of stock has branch A, branch A installs the top at the bottom plate, the inside of adjustment tank is inserted and is equipped with the regulation pole, the inside one end of shell is kept away from to the regulation pole is provided with the handle, the other end and a connecting piece A swing joint of regulation pole, the middle part swing joint of regulation pole has branch B, the top at the bottom plate is installed to branch B.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. the speed regulation device is used for quickly regulating the rotating speed of the rotary drum, the heights of the gear ring and the sun gear are smaller than that of the planetary gear, the gear ring and the sun gear are always meshed with the planetary gear in the up-and-down moving process, only one of the gear ring and the sun gear is meshed with the buffer device at the same time for transmission, when the rotating speed of the rotary drum is smaller, the gear ring is used for transmission, when the rotating speed of the rotary drum needs to be quickly increased, the gear ring is disengaged from the buffer device through the regulation device, the sun gear is meshed with the buffer device at the same time, and the speed rotating ring is quickly completed.

2. The adjusting device can control and adjust the speed adjusting device, when the adjusting device is used, the handle is moved by the plate, the connecting piece A is pried to drive the gear ring to move up and down, then the transmission assembly drives the sun gear to move in the reverse direction, so that the rotating speed of the rotating cylinder is changed, and the power of the motor is changed in a matched manner, so that the rotating speed of the adjusting device is changed, and the adjusting device is simple and convenient to adjust.

3. The buffer device can play a role in buffering when the speed is adjusted, and prevent the damage of equipment caused by overlarge pressure due to too fast speed switching, when the device is suddenly accelerated or decelerated, the rotating cylinder has very high acceleration, at the moment, the joint of the rotating cylinder and the speed adjusting device, namely the buffer device, is subjected to very high pressure, at the moment, the connecting column moves towards a certain direction according to different rotating directions, the springs on the two sides respectively contract and extend to store kinetic energy, play a role in buffering, prevent the damage of the interior of the device and prolong the service life of the device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of an external protection device of the present invention;

FIG. 3 is a bottom view of the cushioning device of the present invention;

FIG. 4 is a schematic view of the interior of the cushioning device of the present invention;

FIG. 5 is a top schematic view of the governor device of the present invention;

FIG. 6 is a bottom schematic view of the governor device of the present invention;

fig. 7 is a schematic view of the adjusting device of the present invention.

The numbering in the figures illustrates: 1. a rotary drum; 101. a stationary ring; 102. a support frame; 2. a buffer device; 201. the top is connected with a cover; 202. a bottom connecting plate; 203. an outer tooth; 204. internal teeth; 205. connecting columns; 206. a spring; 207. a baffle plate; 3. an external protection device; 301. a housing; 302. an adjustment groove; 303. a protective shell; 304. an electric motor; 305. a driving gear; 306. a base plate; 4. a ring gear; 401. ring teeth A; 402. rotating the ring; 403. a large bearing; 404. a connecting ring; 405. a connecting piece A; 5. a planetary gear; 501. a planetary gear shaft; 6. a sun gear; 601. ring teeth B; 602. a sun gear shaft; 603. a small bearing; 604. a connecting piece B; 7. an adjustment device; 701. a short bar; 702. a long rod; 703. a strut A; 704. adjusting a rod; 705. a strut B; 706. a handle.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a control device for high-speed rotating mechanical equipment comprises a rotating cylinder 1, a fixed ring 101 is rotatably sleeved on the outer side of the rotating cylinder 1, and a support frame 102 is fixedly connected to the bottom of the fixed ring 101, and is characterized in that a buffer device 2 is connected to the bottom of the rotating cylinder 1, an external protection device 3 is connected to the bottom of the buffer device 2, and a speed regulation device is arranged inside the external protection device 3 and comprises a gear ring 4, three planetary gears 5, a sun gear 6 and a regulation device 7;

the sun gear 6 is located the central point of ring gear 4, and planetary gear 5 is located between ring gear 4 and sun gear 6 and with three intermeshing, and planetary gear 5 is connected with the bottom of external protection device 3, and ring gear 4 and sun gear 6 are all installed at the top of adjusting device 7, and ring gear 4 and sun gear 6 can reciprocate.

External protection device 3 includes shell 301, the outside at top connection cover 201 is overlapped at the top of shell 301, the outside of shell 301 is connected with protective housing 303, the bottom inboard of protective housing 303 is connected with motor 304, motor 304's output fixedly connected with driving gear 305, the transmission of the outside meshing of driving gear 305 and ring gear 4, the bottom of shell 301 is connected with bottom plate 306, shell 301 keeps away from the one end of protective housing 303 and has seted up adjustment tank 302.

The invention utilizes the speed regulating device to quickly regulate the rotating speed of the rotary drum 1, the heights of the gear ring 4 and the sun gear 6 are smaller than that of the planetary gear 5, the gear ring 4 and the sun gear 6 are always meshed with the planetary gear 5 in the up-and-down moving process, only one of the gear ring 4 and the sun gear 6 is meshed with the buffer device 2 at the same time for transmission, when the rotating speed of the rotary drum 1 is smaller, the gear ring 4 is used for transmission, when the rotating speed of the rotary drum needs to be quickly increased, the gear ring 4 is disengaged from the buffer device 2 through the regulating device 7, and the sun gear 6 is meshed with the buffer device 2 at the same time, so that the speed conversion is quickly completed.

Example 2:

referring to fig. 6-7, the difference between the embodiments of the present invention and embodiment 1 is that the inner side and the outer side of the ring gear 4 are both provided with a latch, the outer latch is engaged with the driving gear 305, the inner gear is engaged with the planetary gear 5, the top of the ring gear 4 is provided with a ring gear a401, the ring gear a401 is engaged with the outer teeth 203, the bottom of the ring gear 4 is fixedly connected with a rotating ring 402, the inside of the rotating ring 402 is provided with a large bearing 403, the inside of the large bearing 403 is provided with a connecting ring 404, and both sides of the bottom of the connecting ring 404 are fixedly connected with connecting pieces a 405.

The planetary gear 5 is internally and rotatably inserted with a planetary gear shaft 501, and the planetary gear shaft 501 is fixedly installed on the top of the bottom plate 306.

The top of the sun gear 6 is provided with a ring gear B601, the ring gear B601 can be meshed with the inner teeth 204, a sun gear shaft 602 is rotatably inserted in the sun gear 6, the sun gear shaft 602 is fixedly mounted on the top of the bottom plate 306, a small bearing 603 is sleeved on the outer side of the sun gear shaft 602, and two sides of the bottom of the small bearing 603 are connected with connecting pieces B604.

Adjusting device 7 includes two sets of transmission subassemblies, every group transmission subassembly includes two quarter butt 701 and a stock 702, quarter butt 701 swing joint is at the both ends of stock 702, quarter butt 701 respectively with connecting piece A405 and connecting piece B604 swing joint, the middle part swing joint of stock 702 has branch A703, branch A703 installs the top at bottom plate 306, the inside of adjustment tank 302 is inserted and is equipped with regulation pole 704, the one end of keeping away from shell 301 inside of regulation pole 704 is provided with handle 706, the other end and a connecting piece A405 swing joint of regulation pole 704, the middle part swing joint of regulation pole 704 has branch B705, branch B705 installs the top at bottom plate 306.

The adjusting device 7 can control and adjust the speed adjusting device, the ring gear A401 can be meshed with the outer teeth 203, the ring gear B601 can be meshed with the inner teeth 204, only one of the two groups of clamping teeth is meshed at the same time, when the speed adjusting device is used, the handle 706 is moved by the plate, the connecting piece A405 is pried to drive the gear ring 4 to move up and down, then the sun gear 6 is driven to move reversely by the transmission assembly, so that the rotating speed of the rotating cylinder 1 is changed, and the power of the motor 304 is changed in a matched mode, so that the rotating speed of the speed adjusting device is changed.

Example 3:

referring to fig. 3-4, the difference between the

embodiments

1 and 2 is that the buffering device 2 includes a top connection cover 201, a bottom groove of the top connection cover 201 is provided with a bottom connection plate 202, a plurality of connection columns 205 are fixedly connected to an inner wall of the top connection cover 201, two sides of the connection columns 205 are connected with springs 206, another end of the spring 206 is connected with a baffle 207, a bottom of the baffle 207 is fixedly connected to a top of the bottom connection plate 202, a bottom of the bottom connection plate 202 is provided with outer teeth 203 and inner teeth 204, the outer teeth 203 are located at a top of the sun gear 6, and the inner teeth 204 are located at a top of the ring gear 4.

The buffer device 2 can play a role in buffering when the speed is adjusted, and can prevent equipment damage caused by overlarge pressure due to too fast speed switching, when the device is suddenly accelerated or decelerated, the rotating cylinder 1 has very high acceleration, the joint of the rotating cylinder 1 and the speed adjusting device, namely the buffer device 2, is under the action of very high pressure, the connecting column 205 moves in a certain direction according to different rotating directions, the springs 206 on two sides respectively contract and extend to store kinetic energy, so that the buffer effect is achieved, the internal part of the device is prevented from being damaged, and the service life of the device is prolonged.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A control device of high-speed rotating mechanical equipment comprises a rotating cylinder (1), wherein a fixed ring (101) is rotatably sleeved on the outer side of the rotating cylinder (1), and the bottom of the fixed ring (101) is fixedly connected with a support frame (102), and is characterized in that the bottom of the rotating cylinder (1) is connected with a buffer device (2), the bottom of the buffer device (2) is connected with an external protection device (3), a speed regulation device is arranged inside the external protection device (3), and the speed regulation device comprises a gear ring (4), three planetary gears (5), a sun gear (6) and a regulation device (7);

the sun gear (6) is located the central point of ring gear (4) and puts, planetary gear (5) are located between ring gear (4) and sun gear (6) and with three intermeshing, planetary gear (5) are connected with the bottom of outside protection device (3), the top at adjusting device (7) is all installed with sun gear (6) ring gear (4), ring gear (4) can reciprocate with sun gear (6).

2. The control device of a high-speed rotating mechanical apparatus according to claim 1, characterized in that: buffer (2) connect lid (201) including the top, the bottom fluting and the inslot rotation that lid (201) was connected at the top are provided with bottom connecting plate (202), fixedly connected with several spliced pole (205) on the top inner wall of lid (201) is connected at the top, the both sides of spliced pole (205) are connected with spring (206), the other end of spring (206) is connected with baffle (207), the bottom of baffle (207) and the top fixed connection of bottom connecting plate (202), the bottom of bottom connecting plate (202) is provided with external tooth (203) and internal tooth (204), external tooth (203) are located the top of sun gear (6), internal tooth (204) are located the top of ring gear (4).

3. The control device of a high-speed rotating mechanical apparatus according to claim 1, characterized in that: outside protection device (3) include shell (301), the outside at top connection cover (201) is overlapped at the top of shell (301), the outside of shell (301) is connected with protective housing (303), the bottom inboard of protective housing (303) is connected with motor (304), the output fixedly connected with driving gear (305) of motor (304), driving gear (305) and the outside meshing transmission of ring gear (4), the bottom of shell (301) is connected with bottom plate (306), adjustment tank (302) have been seted up to the one end that protective housing (303) was kept away from in shell (301).

4. The control device of a high-speed rotating mechanical apparatus according to claim 1, wherein: the inboard and the outside of ring gear (4) all are equipped with the latch, the top of ring gear (4) is provided with ring gear A (401), the bottom fixedly connected with change (402) of ring gear (4), the inside of change (402) is provided with big bearing (403), the inside of big bearing (403) is provided with go-between (404), the equal fixedly connected with connecting piece A (405) in bottom both sides of go-between (404).

5. The control device of a high-speed rotating mechanical apparatus according to claim 3, characterized in that: a planet gear shaft (501) is rotatably inserted into the planet gear (5), and the planet gear shaft (501) is fixedly installed at the top of the bottom plate (306).

6. The control device of a high-speed rotating mechanical apparatus according to claim 3, characterized in that: the top of sun gear (6) is provided with ring tooth B (601), the inside rotation of sun gear (6) is inserted and is equipped with sun gear axle (602), sun gear axle (602) fixed mounting is at the top of bottom plate (306), the outside cover of sun gear axle (602) is equipped with little bearing (603), the bottom both sides of little bearing (603) all are connected with connecting piece B (604).

7. The control device of a high-speed rotating mechanical apparatus according to any one of claims 4 to 6, characterized in that: the adjusting device (7) comprises two groups of transmission components, each group of transmission components comprises two short rods (701) and a long rod (702), the short rods (701) are movably arranged at the two ends of the long rod (702), the short rods (701) are respectively movably connected with the connecting piece A (405) and the connecting piece B (604), the middle part of the long rod (702) is movably connected with a support rod A (703), the support rod A (703) is arranged on the top of the bottom plate (306), an adjusting rod (704) is inserted in the adjusting groove (302), a grip (706) is arranged at one end of the adjusting rod (704) far away from the inner part of the shell (301), the other end of the adjusting rod (704) is movably connected with a connecting piece A (405), the middle part of the adjusting rod (704) is movably connected with a supporting rod B (705), and the supporting rod B (705) is installed at the top of the bottom plate (306).