CN112411704A

CN112411704A - Sewage discharge system with overload protection mechanism

Info

Publication number: CN112411704A
Application number: CN202011284444.4A
Authority: CN
Inventors: 卞证; 虞益彬; 虞文武
Original assignee: Changzhou Jetrustung Trenchless Pipeline Technology Co ltd; Changzhou Vocational Institute of Mechatronic Technology
Current assignee: Changzhou Jetrustung Trenchless Pipeline Technology Co ltd; Changzhou Vocational Institute of Mechatronic Technology
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-02-26

Abstract

The invention discloses a sewage discharge system with an overload protection mechanism, which relates to the field of sewage discharge equipment and comprises a sewage discharge cylinder and an overload protection machine case, wherein a sewage discharge rotating shaft is arranged in the sewage discharge cylinder, an output rotating shaft and an input rotating shaft are rotatably connected in the overload protection machine case, one end of the sewage discharge rotating shaft is connected with the output end of the output rotating shaft, and the sewage discharge device has the advantages that: the torque measuring sensor is used for collecting torque data of the pollution discharge rotating shaft and feeding the torque data back to the control module in the control machine box, when the detected torque value is overlarge, the control module controls the annular electromagnet to work, so that one end, close to the annular magnet block, of the annular electromagnet is an N pole, the annular magnet block fixed by the driving disc is attracted, the second driving gear ring is separated from the annular meshing teeth of the first driving gear ring, and the input rotating shaft cannot transmit the torque to the driving gear, so that the motor is protected.

Description

Sewage discharge system with overload protection mechanism

Technical Field

The invention relates to the field of sewage disposal equipment, in particular to a sewage disposal system with an overload protection mechanism.

Background

The sewage treatment process of a sewage plant generally comprises the steps that sewage sequentially passes through a grit chamber, a primary sedimentation tank, an acidification tank, a biochemical tank and a secondary sedimentation tank to obtain treated clear water, a large amount of sand silt is generally gathered at the bottom of the sedimentation tanks and needs to be cleaned and extracted regularly, and an auger type sewage pump is a common sewage discharge device in the process of extracting the sand silt.

Among traditional auger formula dredge pump, through the reduction gear group transmission between the output shaft of pivot and motor that is equipped with auger formula blowdown flabellum, because the sewage density who contains a large amount of grains of sand silt is big, the resistance that the blowdown flabellum bore is big, the torsional force that the blowdown pivot bore is born is big, if take place that grains of sand silt blocks up easily to lead to blowdown flabellum and blowdown pivot to make the stop passively under the condition, and the motor still continues output power this moment, need artifical timely make to stop, otherwise the motor that easily takes place is burnt out or the blowdown flabellum is damaged, thereby cause the loss.

Disclosure of Invention

The present invention is directed to a sewage system with an overload protection mechanism to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sewage disposal system with overload protection mechanism, includes a blowdown section of thick bamboo and overload protection machine case, the inside blowdown pivot that is equipped with of blowdown section of thick bamboo is equipped with auger formula blowdown flabellum in the blowdown pivot, overload protection machine incasement portion has changeed output pivot and input pivot, and the one end of blowdown pivot links with the output of output pivot, passes through the coupling joint between the input of input pivot and the output shaft of motor.

Preferably, the output rotating shaft is fixedly connected with a driven gear, the input rotating shaft is provided with a driving gear, the driven gear is meshed with the driving gear, and a clutch mechanism is arranged between the input rotating shaft and the driving gear and is used for transmission connection.

Preferably, the input rotating shaft is rotatably connected with the driving gear, and a bearing is arranged at the switching position of the input rotating shaft and the driving gear in an interference fit manner.

Preferably, a torque measuring sensor is arranged at the joint of the output ends of the pollution discharge rotating shaft and the output rotating shaft, and the torque measuring sensor is fixed on a support plate welded on the outer wall of the overload protection case through bolts.

Preferably, the clutch mechanism comprises a transmission disc connected with a spline shaft part arranged in the middle of the input rotating shaft and an annular electromagnet fixed in the overload protection case through a bolt.

Preferably, one side of the driving gear close to the driving disc is integrally formed with a first transmission gear ring, one side of the driving disc close to the driving gear is integrally formed with a second transmission gear ring, and the first transmission gear ring and the second transmission gear ring are both provided with annular meshing teeth close to one side.

Preferably, the spline shaft part in the middle of the input rotating shaft is an oblique spline shaft, and the transmission disc is matched with the spline shaft part in a sliding connection mode.

Preferably, the tooth form of the annular meshing teeth arranged on the first transmission gear ring and the second transmission gear ring is a helical tooth ratchet wheel form, and the annular meshing teeth arranged on the first transmission gear ring and the second transmission gear ring are matched and meshed.

Preferably, one side surface of the transmission disc, which is close to the annular electromagnet, is fixedly connected with an annular magnet block through a screw, and one end of the annular magnet block, which is close to the annular electromagnet, is an 'S' pole.

Preferably, the middle part integrated into one piece of output pivot has the dish to stop the disk seat, and the disk seat of stopping of dish has the dish to stop through the bolt fastening, and the position one side that corresponds the dish and stop the dish is equipped with the dish pincers of stopping, and the dish that the dish was stopped pincers through the bolt and was equipped with in the overload protection machine incasement portion and stops pincers support fixed connection, and the dish is stopped pincers and is connected with electromagnetic cylinder.

Preferably, the inside control machine box that is equipped with of overload protection machine case, the inside control module that has the collection of control machine box, annular electromagnet, torque measurement sensor and electromagnetic cylinder all pass through the inside control module of electric connection control machine box.

The invention has the technical effects and advantages that:

1. the torque data of the pollution discharge rotating shaft is collected through the torque measuring sensor and fed back to the control module in the control machine box, when the detected torque value is overlarge, the control module controls the annular electromagnet to work, so that one end, close to the annular magnet block, of the annular electromagnet is an N pole, the annular magnet block fixed by the driving disc is attracted, the second driving gear ring is separated from the annular meshing teeth of the first driving gear ring, and the input rotating shaft cannot transmit the torque to the driving gear at the moment, so that the motor is protected;

2. according to the invention, the control module controls the electromagnetic hydraulic cylinder to drive the chuck plate of the disc brake caliper to clamp the disc brake disc, so that the pollution discharge rotating shaft is rapidly braked, and the pollution discharge blade damage caused by inertial rotation of the pollution discharge rotating shaft is avoided;

3. according to the invention, the control module controls the current to enable one end of the annular electromagnet close to the annular magnet block to be an S pole, and due to the principle that like poles repel each other, the second transmission gear ring is tightly meshed with the annular meshing teeth arranged on the first transmission gear ring, so that the input rotating shaft can transmit torque to the driving gear, and the meshing is stable, quick and effective.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

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

Fig. 3 is a schematic diagram of a disengaged state based on the clutch mechanism in fig. 2.

Fig. 4 is a front cross-sectional view of the inventive structure.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is a schematic diagram of a disengaged state based on the clutch mechanism in fig. 5.

In the figure: 1. a blowdown cylinder; 101. a pollution discharge rotating shaft; 2. an overload protection chassis; 201. a support plate; 3. a motor; 4. an output shaft; 401. a driven gear; 5. an input shaft; 501. a driving gear; 502. a spline shaft portion; 6. a clutch mechanism; 7. a first drive ring gear; 8. a drive plate; 801. a second drive ring gear; 9. an annular electromagnet; 10. an annular magnet block; 11. a torque measuring sensor; 12. a disc brake disc seat; 121. a disc brake disc; 13. a disc brake caliper; 14. an electromagnetic hydraulic cylinder; 15. and a control box.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a sewage system with an overload protection mechanism as shown in figures 1-6, which comprises a sewage cylinder 1 and an overload protection machine case 2, and is characterized in that a sewage rotary shaft 101 is arranged in the sewage cylinder 1, an auger type sewage blade is arranged on the sewage rotary shaft 101, an output rotary shaft 4 and an input rotary shaft 5 are connected in the overload protection machine case 2 in a switching way, one end of the sewage rotary shaft 101 is connected with the output end of the output rotary shaft 4, a torque measuring sensor 11 is arranged at the connection position of the sewage rotary shaft 101 and the output end of the output rotary shaft 4, the torque measuring sensor 11 is fixed on a support plate 201 welded on the outer wall of the overload protection machine case 2 through bolts, the torque measuring sensor 11 is used for detecting the torque between the sewage rotary shaft 101 and the output rotary shaft 4, the input end of the input rotary shaft 5 is connected with the output shaft of a motor 3 through a coupler, and a driven, the input rotating shaft 5 is provided with a driving gear 501, the driven gear 401 is meshed with the driving gear 501, the input rotating shaft 5 is rotatably connected with the driving gear 501, a bearing is arranged at the transfer joint of the input rotating shaft 5 and the driving gear 501 in an interference fit mode, the input rotating shaft 5 cannot directly transmit torque to the driving gear 501 when the motor 3 outputs, and therefore the clutch mechanism 6 is arranged between the input rotating shaft 5 and the driving gear 501 and used for transmission connection.

Referring to fig. 2 and 5, the clutch mechanism 6 includes a driving plate 8 connected to a spline shaft 502 provided in the middle of the input shaft 5, and an annular electromagnet 9 fixed inside the overload protection case 2 by bolts, wherein a first driving gear ring 7 is integrally formed on one side surface of the driving gear 501 close to the driving plate 8, a second driving gear ring 801 is integrally formed on one side surface of the driving plate 8 close to the driving gear 501, and annular engaging teeth are provided on one side surface of the first driving gear ring 7 and one side surface of the second driving gear ring 801 close to the driving gear ring 8, while the spline shaft 502 in the middle of the input shaft 5 is an oblique spline shaft, the driving plate 8 is slidably connected to the spline shaft 502, when the input shaft 5 is driven, the driving plate 8 moves to the side close to the first driving gear ring 7 due to the oblique spline of the spline shaft 502 until the annular engaging teeth provided on the first driving gear ring 7 and the second driving gear ring 801 are engaged, therefore, torque is transmitted, the tooth form of the annular meshing teeth arranged on the first transmission gear ring 7 and the second transmission gear ring 801 is a helical tooth ratchet wheel form, meshing is stable, and disengagement is rapid.

Referring to fig. 3 and 6, an annular magnet block 10 is fixedly connected to one side surface of the transmission disc 8 close to the annular electromagnet 9 through screws, an end of the annular magnet block 10 close to the annular electromagnet 9 is an "S" pole, when the end of the annular electromagnet 9 close to the annular magnet block 10 is an "S" pole by controlling the current, the second transmission gear ring 801 is tightly engaged with the annular engaging teeth provided on the first transmission gear ring 7 due to the principle that like poles repel each other, and when the end of the annular electromagnet 9 close to the annular magnet block 10 is an "N" pole by controlling the current, the annular magnet block 10 fixed to the transmission disc 8 is attracted, so that the second transmission gear ring 801 is disengaged from the annular engaging teeth of the first transmission gear ring 7.

Combine shown in fig. 2 and 5, the middle part integrated into one piece of output pivot 4 has the dish to stop dish seat 12, dish seat 12 of stopping has the dish 121 of stopping through the bolt fastening, it is equipped with dish pincers 13 of stopping to correspond dish position one side of stopping 121, the dish pincers 13 of stopping is through the dish pincers support fixed connection of stopping that the bolt is equipped with overload protection machine case 2 inside, dish pincers 13 of stopping are connected with electromagnetic cylinder 14, the (holding) chuck of pincers 13 of stopping by electromagnetic cylinder 14 drive dish is stopped and is carried out the clamping to dish 121, can carry out the quick braking to blowdown pivot 101, avoid blowdown pivot 101 to lead to the blowdown blade to damage because inertial rotation.

Overload protection machine case 2 is inside to be equipped with controller box 15, the inside set of controller box 15 has control module, annular electromagnet 9, torque measurement sensor 11 and electromagnetic cylinder 14 are all through the inside control module of electric connection controller box 15, control module passes through the big or small data of torsion that torque measurement sensor 11 collected, when detecting torsion numerical value too big, control annular electromagnet 9 work makes clutching mechanism 6 carry out separation work, control electromagnetic cylinder 14 drive dish clamp 13's (holding) chuck carries out the clamp to dish 121 of stopping, carry out quick braking to blowdown pivot 101.

The working principle of the invention is as follows: when the invention works, the torque magnitude data of the pollution discharge rotating shaft 101 is collected by the torque measuring sensor 11 and fed back to the control module in the controller box 15, when the detected torque value is too large, the control module controls the annular electromagnet 9 to work, so that one end of the annular electromagnet 9 close to the annular magnet block 10 is an N pole, the annular magnet block 10 fixed by the driving disk 8 is attracted, the second driving gear ring 801 is separated from the annular meshing teeth of the first driving gear ring 7, and the input rotating shaft 5 cannot transmit the torque to the driving gear 501, thereby realizing the protection of the motor 3; meanwhile, the control module controls the electromagnetic hydraulic cylinder 14 to drive a chuck plate of the disc brake caliper 13 to clamp the disc brake disc 121, so that the pollution discharge rotating shaft 101 is quickly braked, and pollution discharge blades are prevented from being damaged due to inertial rotation of the pollution discharge rotating shaft 101;

after the blockage of sludge in the sewage discharge cylinder 1 is solved, the control module controls current to enable one end, close to the annular magnet block 10, of the annular electromagnet 9 to be an S pole, and due to the principle that like poles repel each other, the second transmission gear ring 801 is tightly meshed with the annular meshing teeth arranged on the first transmission gear ring 7, so that the torque can be transmitted to the driving gear 501 through the input rotating shaft 5, and the meshing is stable, rapid and effective.

Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a drainage with overload protection mechanism, includes a blowdown section of thick bamboo (1) and overload protection machine case (2), its characterized in that: inside blowdown pivot (101) of being equipped with of blowdown section of thick bamboo (1), be equipped with the auger formula blowdown flabellum on blowdown pivot (101), the inside switching of overload protection machine case (2) has output pivot (4) and input pivot (5), and the one end of blowdown pivot (101) links with the output of output pivot (4), passes through the coupling joint between the input of input pivot (5) and the output shaft of motor (3).

2. A sewerage system with an overload protection mechanism according to claim 1, characterised in that: fixedly connected with driven gear (401) is gone up in output pivot (4), is equipped with driving gear (501) on input pivot (5), and driven gear (401) and driving gear (501) mesh mutually, is equipped with clutching mechanism (6) between input pivot (5) and driving gear (501) and is used for the transmission to be connected.

3. A sewerage system with an overload protection mechanism according to claim 2, characterised in that: the input rotating shaft (5) is rotationally connected with the driving gear (501), and a bearing is arranged at the switching position of the input rotating shaft (5) and the driving gear (501) in an interference fit mode.

4. A sewerage system with an overload protection mechanism according to claim 1, characterised in that: and a torque measuring sensor (11) is arranged at the joint of the output ends of the pollution discharge rotating shaft (101) and the output rotating shaft (4), and the torque measuring sensor (11) is fixed on a support plate (201) welded on the outer wall of the overload protection case (2) through bolts.

5. A sewerage system with an overload protection mechanism according to claim 2, characterised in that: the clutch mechanism (6) comprises a transmission disc (8) connected with a spline shaft part (502) arranged in the middle of the input rotating shaft (5) and an annular electromagnet (9) fixed inside the overload protection case (2) through bolts.

6. A sewerage system with an overload protection mechanism according to claim 2, characterised in that: one side integrated into one piece that driving gear (501) is close to driving gear (8) has first transmission ring gear (7), and one side integrated into one piece that driving gear (8) is close to driving gear (501) has second transmission ring gear (801), and first transmission ring gear (7), second transmission ring gear (801) are close to one side and all are equipped with annular meshing tooth mutually.

7. A sewerage system with an overload protection mechanism according to claim 5 characterised in that: the middle spline shaft part (502) of the input rotating shaft (5) is an oblique spline shaft, and the transmission disc (8) is in fit sliding connection with the spline shaft part (502).

8. A sewerage system with an overload protection mechanism according to claim 6, characterised in that: the tooth form of the annular meshing teeth arranged on the first transmission gear ring (7) and the second transmission gear ring (801) is a helical tooth ratchet wheel form, and the annular meshing teeth arranged on the first transmission gear ring (7) and the second transmission gear ring (801) are matched and meshed.

9. A sewerage system with an overload protection mechanism according to claim 5 characterised in that: one side surface of the transmission disc (8) close to the annular electromagnet (9) is fixedly connected with an annular magnet block (10) through a screw, and one end, close to the annular electromagnet (9), of the annular magnet block (10) is an S pole.

10. A sewerage system with an overload protection mechanism according to claim 1, characterised in that: the middle part integrated into one piece of output pivot (4) has the dish to stop dish seat (12), and dish is stopped dish seat (12) and is fixed with dish through the bolt and stop dish (121), and the position one side that corresponds dish and stop dish (121) is equipped with dish pincers (13) of stopping, and the dish that pincers (13) of stopping pass through bolt and overload protection machine case (2) inside is equipped with is stopped pincers support fixed connection, and dish pincers (13) of stopping are connected with electromagnetic hydraulic cylinder (14).

11. A sewerage system with an overload protection mechanism according to claim 1, characterised in that: the overload protection machine box (2) is internally provided with a control machine box (15), a control module is integrated in the control machine box (15), and the annular electromagnet (9), the torque measurement sensor (11) and the electromagnetic hydraulic cylinder (14) are electrically connected with the control module in the control machine box (15).