CN210034531U

CN210034531U - Rotary distributor with multi-tooth control wheel for soot blower

Info

Publication number: CN210034531U
Application number: CN201920398493.7U
Authority: CN
Inventors: 王海超; 周世武
Original assignee: BEIJING FANYUANXING SCIENCE TECHNOLOGY Co Ltd
Current assignee: BEIJING FANYUANXING SCIENCE TECHNOLOGY Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-02-07
Anticipated expiration: 2029-03-27

Abstract

The utility model relates to a rotary distributor that has multiple tooth control wheel that soot blower was used, including drive casing, rotatory shell, the base of fixed connection in proper order from top to bottom, be equipped with the motor in the drive casing, be connected with angular rotation control mechanism on the output shaft of motor one end, rotatory shell internal rotation is connected with the rotator, the top of rotator with the other end of motor is connected, be equipped with the centre bore in the rotator, the annular groove has been seted up on the outer wall of rotator, set up the inlet channel with the centre bore intercommunication along the radial direction of rotator on the diapire in the annular groove, set up the outlet channel with the centre bore intercommunication along the radial direction of rotator on the rotator outer wall of annular groove top. The utility model has the advantages of small volume, small occupied space, low investment cost and long service life.

Description

Rotary distributor with multi-tooth control wheel for soot blower

Technical Field

The utility model relates to a boiler equipment technical field, concretely relates to rotary distributor that has multiple tooth control wheel that soot blower was used.

Background

The boiler soot blower is a kind of boiler auxiliary equipment, its main use is: the dust, adhesion and the like attached to the heating surface of the boiler in the normal operation process are removed, the heating surface is always in a good heat absorption state, boiler pipelines are heated uniformly, the smoke exhaust temperature is always within a normal value, the purposes of saving energy, protecting environment and prolonging the service life of the boiler pipelines are achieved, and because eight positions needing soot blowing are arranged on the boiler, each position needing soot blowing corresponds to one gas transmission pipeline, the gas transmission pipelines are opened and closed through electric ball valves on each pipeline, the electric ball valves are large in size, the whole size is large, the occupied space is large, and the investment cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a rotary distributor with a multi-tooth control wheel for a soot blower, which has the advantages of small volume, small occupied space and low investment cost.

In order to achieve the above object, the utility model adopts the following technical scheme:

a rotary distributor with a multi-tooth control wheel for a soot blower comprises a driving shell, a rotary shell and a base which are fixedly connected from top to bottom in sequence, wherein a motor is arranged in the driving shell, an output shaft at one end of the motor is connected with an angular rotation control mechanism, the rotary shell is rotatably connected with a rotary body, the top end of the rotary body is connected with the other end of the motor, a central hole is formed in the rotary body, an annular groove is formed in the outer wall of the rotary body, an air inlet channel communicated with the central hole is formed in the bottom wall in the annular groove along the radial direction of the rotary body, an air outlet channel communicated with the central hole is formed in the outer wall of the rotary body above the annular groove along the radial direction of the rotary body, eight air outlets and one air inlet are fixed on the outer wall of the rotary shell, and, and the air inlet is positioned below the air outlet and communicated with the annular groove, and the air outlet is communicated with the central hole through the air outlet channel.

Preferably, the angular rotation control mechanism includes a dual-tooth control wheel, a motor, a first micro switch and a second micro switch, the dual-tooth control wheel is sleeved on an output shaft at one end of the motor, the dual-tooth control wheel includes a multi-tooth gear and a single-tooth gear, the number of teeth on the multi-tooth gear is eight and corresponds to eight air outlets one by one, the number of teeth on the single-tooth gear is one and corresponds to an air inlet, a cam on the first micro switch contacts with the multi-tooth gear, and a cam on the second micro switch contacts with the single-tooth gear.

In any of the above aspects, preferably, the first and second micro switches are both located on the rear side of the dual-linked-teeth control wheel.

In any of the above aspects, preferably, an outer wall of the rotating body is slidably fitted to an inner wall of the rotating housing.

In any of the above schemes, preferably, the central lines of the air outlet and the air inlet intersect with the central line of the rotating body, and the included angle between the central lines of the adjacent air outlets is 40 °.

In any of the above aspects, it is preferable that the angle between the two outlet centerlines adjacent to the inlet is 80 °.

In any one of the above aspects, preferably, the single-tooth gear is located below the multi-tooth gear.

In any of the above schemes, preferably, the top of the rotating body is fixed with a rotating shaft, and one end of the rotating shaft penetrates through the rotating housing and extends into the driving housing to be connected with the output shaft at the other end of the motor.

Compared with the prior art, the utility model provides a rotary distributor that has multiple tooth control wheel that soot blower was used has following beneficial effect:

1. the rotary shell is provided with eight air outlets and one air inlet, one air inlet is respectively communicated with the eight air outlets through the rotation of the rotary body, and when one air outlet is communicated with the air inlet, the other air outlets are in a closed state, namely parts for controlling the eight air outlets are integrated in one rotary shell, so that the electric ball valve is arranged at each air outlet in the prior art, and the rotary shell has the advantages of compact structure, small volume, small occupied space for installation, low investment cost and long service life;

2. through setting up first micro-gap switch and being connected with many tooth gear, second micro-gap switch and single tooth gear connection, the rotation of control motor is simple with the mode of stopping, and positioning accuracy is high, reaction sensitivity is high.

Drawings

FIG. 1 is a schematic overall view of a preferred embodiment of a rotary distributor with multi-tooth control wheels for a sootblower according to the present invention;

FIG. 2 is a top view of the embodiment shown in FIG. 1;

FIG. 3 is a schematic structural view of the embodiment shown in FIG. 1, wherein the air outlet channel is communicated with a first air outlet adjacent to the air inlet;

FIG. 4 is a schematic structural view of the air outlet channel between two air outlets in the embodiment shown in FIG. 1;

FIG. 5 is a schematic diagram of the embodiment shown in FIG. 1, in which the air outlet channel communicates with a second air outlet adjacent to the air inlet;

fig. 6 is a schematic structural diagram of the air outlet channel in the zero position in the embodiment shown in fig. 1.

The figures are labeled as follows: 1. a single-tooth gear; 2. a motor; 3. a coupling; 4. a rotating body; 5. an air outlet; 6. an air inlet; 7. a base; 8. an air outlet channel; 9. a second microswitch; 10. a first microswitch; 11. a multi-tooth gear; 12. an annular groove; 13. a central bore; 14. an air intake passage; 15. rotating the housing; 16. the housing is driven.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in fig. 1-6, according to an embodiment of the rotary distributor with a multi-tooth control wheel for a soot blower provided by the present invention, the rotary distributor comprises a driving housing 16, a rotary housing 15, and a base 7 fixedly connected in sequence from top to bottom, a motor 2 is disposed in the driving housing 16, an angular rotation control mechanism is connected to an output shaft at one end of the motor 2, a rotary body 4 is rotatably connected to the rotary housing 15, a top end of the rotary body 4 is connected to the other end of the motor 2, a central hole 13 is disposed in the rotary body 4, an annular groove 12 is disposed on an outer wall of the rotary body 4, an air inlet channel 14 communicating with the central hole 13 is disposed on a bottom wall in the annular groove 12 along a radial direction of the rotary body 4, an air outlet channel 8 communicating with the central hole 13 is disposed on an outer wall of the rotary body 4 above the annular, be fixed with eight gas outlets 5 and an air inlet 6 on the outer wall of rotatory shell 15, eight gas outlets 5 and an air inlet 6 are the annular arrangement of angle such as, and air inlet 6 is located the below of gas outlet 5 and communicate with annular groove 12, gas outlet 5 is through outlet channel 8 and centre bore 13 intercommunication, and the pipeline of giving vent to anger is connected to the one end of gas outlet 5, and the pipeline of admitting air is connected to 6 volume one end of air inlet.

The angle rotation control mechanism comprises a double-tooth control wheel, a motor 2, a first micro switch 10 and a second micro switch 9, the double-tooth control wheel is sleeved on an output shaft at one end of the motor 2 and comprises a multi-tooth gear 11 and a single-tooth gear 1, the number of teeth on the multi-tooth gear 11 is eight, the teeth correspond to the eight air outlets 5 one by one respectively, the central lines of the air outlets 5 and the air inlets 6 are intersected with the central line of the rotating body 4, the included angle between the central lines of the adjacent air outlets 5 is 40 degrees, and the included angle between the central lines of the two air outlets 5 close to the air inlets 6 is 80 degrees; the number of teeth on the single-tooth gear 1 is one and corresponds to the air inlet 6, that is, the distribution of the gears on the multi-tooth gear 11 is the same as the distribution of the air outlets 5 on the rotating shell 15, that is, the division of adjacent teeth on the multi-tooth gear 11 is also 40 °, and each tooth corresponds to one air outlet 5, the cam on the first microswitch 10 is in contact with the multi-tooth gear 11, the cam on the second microswitch 9 is in contact with the single-tooth gear 1, the angular rotation control mechanism further comprises a controller, the motor 2, the first microswitch 10 and the second microswitch 9 are all connected with the controller, the motor 2 is a low-speed motor, and the controller can be an MCU microcontroller or a PLC controller, such as a siemens S7-200, but not limited to the above controller, and can be another controller.

The first microswitch 10 and the second microswitch 9 are both positioned at the rear side of the double-linked-teeth control wheel.

The outer wall of the rotating body 4 is in sliding fit with the inner wall of the rotating housing 15, so that gas cannot leak from the gap between the rotating body 4 and the rotating housing 15.

The single-tooth gear 1 is located below the multi-tooth gear 11.

The top of rotator 4 fixes the rotation axis, the one end of rotation axis runs through rotatory shell 15 and stretch into in the drive housing 16 with the other end output shaft of motor 2, the rotation axis passes through shaft coupling 3 with the output shaft of the motor 2 other end and is connected.

The working principle of the embodiment is as follows: for example, the motor 2 rotates counterclockwise, the motor 2 starts to rotate when being electrified, and simultaneously drives the single-tooth gear 1 and the multi-tooth gear 11 to rotate, the motor 2 also drives the rotating body 4 to rotate, when the rotating body rotates to the position shown in fig. 3, the top point of one tooth on the multi-tooth gear 11 jacks up the cam of the first microswitch 10, the first microswitch 10 sends a signal to the controller, the controller controls the motor 2 to stop rotating, and at the moment, the air outlet channel 8 is communicated with the air outlet 5 adjacent to the air inlet 6, so that the air inlet 6 is communicated with the air outlet 5 through the air inlet channel 14, the central hole 13 and the air outlet channel 8, and further, the air is conveyed from the air inlet 6 to the first air outlet 5 and conveyed to the working position; when the first microswitch 10 is rotated to the position shown in fig. 4, the cam on the first microswitch 10 is positioned between two adjacent teeth on the multi-tooth gear 11, therefore, the cam on the first microswitch 10 falls under the action of the self spring, and the first microswitch 10 is reset; the motor 22 continues to rotate, when the multi-tooth gear 11 rotates to the position shown in fig. 5, the top point of one tooth on the multi-tooth gear 11 jacks up the cam of the first micro-switch 10, the first micro-switch 10 sends a signal to the controller again to control the motor 2 to stop rotating, at this time, the air outlet channel 8 is communicated with the second air outlet 5 which is adjacent to the first air outlet 5 in the anticlockwise direction, so that the air inlet 6 is communicated with the second air outlet 5 through the air inlet channel 14, the central hole 13 and the air outlet channel 8, further, the air is conveyed to the second air outlet 5 from the air inlet 6 and conveyed to a working position through an air outlet pipeline, and so on until the eight air outlets 5 can be communicated with the air inlet; when the rotary distributor rotates to the position shown in fig. 6, the cam on the first microswitch 10 is positioned at the position where the angle of two teeth on the multi-tooth gear 11 is 80 degrees, at this time, the cam on the first microswitch 10 automatically falls down due to the action of the spring, the addendum point on the single-tooth gear 1 jacks up the cam of the second microswitch 9, the second microswitch 9 jacks up to send a signal to the controller, the controller controls the motor 2 to stop rotating, the air outlet channel 88 is in a non-passing state, namely a zero position, and the rotary distributor works for one cycle.

Compared with the prior art, the embodiment has the following beneficial effects:

set up eight gas outlets and an air inlet on rotatory shell to through the rotation of rotator, make an air inlet and eight gas outlets communicate respectively, under one of them gas outlet and the air inlet intercommunication state, other gas outlets are in the closed condition, will control the spare part integration of eight gas outlets in a rotatory shell, replaced and installed electronic ball valve at every gas outlet among the prior art, have compact structure, small, installation occupation space is little, investment cost is low, long service life's advantage.

It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotary distributor that has multi-tooth control wheel that soot blower was used, includes drive casing, rotatory shell, the base of from top to bottom fixed connection in proper order, its characterized in that: a motor is arranged in the driving shell, an output shaft at one end of the motor is connected with an angle rotation control mechanism, a rotating body is rotationally connected in the rotating shell, the top end of the rotating body is connected with the other end of the motor, a central hole is arranged in the rotating body, an annular groove is arranged on the outer wall of the rotating body, an air inlet channel communicated with the central hole is arranged on the bottom wall in the annular groove along the radial direction of the rotating body, an air outlet channel communicated with the central hole is arranged on the outer wall of the rotating body above the annular groove along the radial direction of the rotating body, eight air outlets and one air inlet are fixed on the outer wall of the rotary shell, the eight air outlets and the one air inlet are annularly arranged at equal angles, and the air inlet is positioned below the air outlet and communicated with the annular groove, and the air outlet is communicated with the central hole through the air outlet channel.

2. A rotary distributor with multi-tooth control wheels for a sootblower as claimed in claim 1, wherein: the angle rotation control mechanism comprises a dual-linkage-gear control wheel, a motor, a first micro switch and a second micro switch, the dual-linkage-gear control wheel is sleeved on an output shaft at one end of the motor and comprises a multi-tooth gear and a single-tooth gear, the number of teeth on the multi-tooth gear is eight, the number of teeth corresponds to eight air outlets one by one, the number of teeth on the single-tooth gear is one, the number of teeth on the single-tooth gear corresponds to the air inlet, a cam on the first micro switch is in contact with the multi-tooth gear, and a cam on the second micro switch is in contact with the single-tooth gear.

3. A rotary distributor with multi-tooth control wheels for a sootblower as claimed in claim 2, wherein: the first microswitch and the second microswitch are both positioned at the rear side of the dual-linkage-gear control wheel.

4. A rotary distributor with multi-tooth control wheels for a sootblower as claimed in claim 1, wherein: the outer wall of the rotating body is in sliding fit with the inner wall of the rotating shell.

5. A rotary distributor with multi-tooth control wheels for a sootblower as claimed in claim 2, wherein: the central lines of the air outlets and the air inlets are intersected with the central line of the rotating body, and the included angle between the central lines of the adjacent air outlets is 40 degrees.

6. The rotary distributor with multi-tooth control wheels for a sootblower of claim 5, wherein: the included angle between the central lines of the two air outlets close to the air inlet is 80 degrees.

7. A rotary distributor with multi-tooth control wheels for a sootblower as claimed in claim 2, wherein: the single-tooth gear is located below the multi-tooth gear.

8. A rotary distributor with multi-tooth control wheels for a sootblower according to any of claims 1-7, characterized in that: and a rotating shaft is fixed at the top of the rotating body, and one end of the rotating shaft penetrates through the rotating shell and extends into the driving shell to be connected with the output shaft at the other end of the motor.