CN212690479U - Sewage pump - Google Patents
Sewage pump Download PDFInfo
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- CN212690479U CN212690479U CN202022045838.6U CN202022045838U CN212690479U CN 212690479 U CN212690479 U CN 212690479U CN 202022045838 U CN202022045838 U CN 202022045838U CN 212690479 U CN212690479 U CN 212690479U
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- sewage pump
- cutting
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- pump
- trash rack
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Abstract
The utility model relates to a sewage pump, including the pump body, trash rack, water distributor and cutting mechanism, the trash rack sets up the water inlet department of the pump body, the trash rack includes the grid of vertical setting, constitutes into water cutting mouth between the grid of adjacent setting, water distributor includes a plurality of guide plates and adjustable piece, the guide plate with trash rack swing joint, form water channel between the guide plate, interval between the guide plate passes through adjustable and change of adjustable piece water channel's size, cutting mechanism includes actuating mechanism and cuts the dish, it is equipped with a plurality of cutting pieces to cut the dish, the cutting piece sets up again in the water cutting mouth, actuating mechanism with it connects and is used for the drive to cut the dish transmission the cutting piece is followed into water cutting mouth vertical motion. The utility model provides a portable large-traffic drain pump use the easy difficult problem that blocks up in sewage environment, guaranteed drainage flow, improved drainage efficiency.
Description
Technical Field
The utility model belongs to the technical field of the water pump, concretely relates to sewage pump.
Background
The amount of sewage and wastewater generated along with the development of society is larger and larger, and the sewage inevitably contains some larger domestic garbage, such as: gloves, towels, cloth, shopping bags and the like, and even some objects such as branches and weeds can be mixed. However, when the ordinary sewage pump is used for conveying the sewage, the pump body is blocked frequently, sundries are wound around the inlet of the sewage pump, so that the water pump cannot continue to work, the cleaning difficulty is high, the drainage progress is influenced, and the drainage flow and efficiency are influenced.
Especially, the large-flow drainage pump for flood fighting and emergency rescue has the advantages that the general rotating speed is high, compared with the traditional drainage pump, the passing capacity of particles is low, the drainage pump is easy to block when being used in a sewage environment, the drainage pump can continue to work normally after being lifted frequently for manual cleaning during use, the manual labor amount is increased seriously, and the efficiency is influenced.
In view of the above, it is desirable to provide a sewage pump capable of effectively improving the drainage efficiency.
Disclosure of Invention
The utility model aims at providing a can effectively improve drainage efficiency's sewage pump.
The above purpose is realized by the following technical scheme: the utility model provides a sewage pump, includes the pump body, trash rack, water distributor and cutting mechanism, the trash rack sets up the water inlet department of the pump body, the trash rack includes the bars of vertical setting, constitutes into water cutting mouth between the bars of adjacent setting, water distributor includes a plurality of guide plates and adjustable piece, the guide plate with trash rack swing joint, form water channel between the guide plate, interval between the guide plate passes through adjustable and change water channel's size, cutting mechanism includes actuating mechanism and shears the dish, it is equipped with a plurality of cutting pieces to shear the dish, the cutting piece sets up again in the water cutting mouth, actuating mechanism with it connects and is used for the drive to shear the dish transmission the cutting piece is followed into water cutting mouth vertical motion.
In the course of the work, trash rack filters the various debris that can not pass through the water pump in the sewage, control system monitors the power and the flow of sewage pump, work continuously when the water pump, the debris of cutting mouth department of intaking slowly increases, when blockking up inhalant canal, inhalant canal's velocity of water increases, vortex flow guide plate aperture slowly increases under the effect of water thrust, increase the water passing area, in order to ensure there is sufficient sewage pump displacement, this moment because the increase of import flow resistance, the sewage pump work of doing work increases, control system monitors the change that water pump power increases this moment, interval and then the big or small stable displacement of increase inhalant canal through adjusting between the sewage pump rotational speed adjustment guide plate. When sundries at the water inlet cutting opening are continuously increased, the control system judges that the water discharge cannot be balanced by adjusting the opening of the guide plate and the rotating speed of the sewage pump through detecting the power data and the flow of the sewage pump, the system starts the self-cleaning device, the driving mechanism moves to drive the cutting blade to vertically move along the water inlet cutting opening to cut off the sundries on the trash rack, and the sundries attached to the trash rack are removed; if the power of the monitoring sewage pump is reduced to a normal operation value, controlling the driving mechanism to move to perform cutting action again to cut sundries; if so, cutting is finished, and the power and the flow of the sewage pump are continuously monitored.
The sewage barrier is characterized in that a fixing seat is arranged on the sewage barrier, the guide plate is connected with the fixing seat through a rotating pin, the adjustable piece is an elastic piece, two sides of the elastic piece are respectively connected with the guide plates on two sides of the elastic piece, a water passing channel is formed between adjacent guide plates which are not connected with the same elastic piece, and a motor of the sewage pump is a servo motor. So set up, utilize the elasticity control of flexure strip and the interval between the guide plate that links to each other, when water channel's water velocity increases, the flexure strip warp under the effect of water thrust, and the guide plate is rotatory along the rotating pin, makes the guide plate aperture increases, increases water channel.
The further technical scheme is that the cutting blade is arranged at a preset angle in a downward inclined mode. Preferably, the cutting blade is inclined downward by 45 degrees.
The further technical scheme is that the driving mechanism comprises a driving motor and a rotary lead screw, the rotary lead screw is connected with an output shaft of the driving motor, the shearing disc is provided with a connecting hole, and the rotary lead screw penetrates through the connecting hole and is in threaded connection with the shearing disc. Therefore, when the driving motor drives the rotary screw to rotate, the shearing disc in threaded connection with the rotary screw moves up and down to drive the cutting blade to cut along the vertical motion of the water inlet cutting opening.
The technical scheme is that the trash rack is arranged along the circumferential direction of the pump body, the pump body is sleeved in the trash rack, the sewage pump is provided with a floating body, and the floating body is arranged between the trash rack and the pump body.
The further technical scheme is that the upper surface of the floating body is lower than the upper surface of the trash rack, a collecting cavity for containing sundries is formed by the height difference between the trash rack and the floating body, and the cutting piece moves from bottom to top to finish cutting. The small sundries which are easy to cut off and are attached to the water inlet cutting opening can be cut off, the large or continuous sundries can slide upwards along with the cutting blade until the cutting blade is separated from the water inlet trash rack, and the sundries can slide to the collecting cavity along the cutting blade.
The sewage pump further comprises a controller, a first sensor for detecting the flow of the sewage pump and a second sensor for detecting the power of the sewage pump, wherein the first sensor, the second sensor, the servo motor and the driving motor are in signal connection with the controller, the first sensor and the second sensor respectively send the detected flow information and power information of the sewage pump to the controller, the controller compares the received flow information and power information with the preset flow information and power information, and controls the rotating speed of the servo motor and the starting, stopping and rotating direction of the driving motor according to the comparison result.
The sewage pump further adopts the technical scheme that a bottom contact switch is arranged at the bottom of the sewage pump, the bottom contact switch is connected to a power circuit of the sewage pump, and the power circuit of the sewage pump is disconnected when the bottom contact switch is turned on. The setting of body guarantees that sewage pump wholly floats on the surface of water when using, can block the floating garbage on the surface of water upper strata and get into the water pump, and the bottom is equipped with the switch that touches down, and the pump stop work when touching the switch and opening prevents to inhale the deposit rubbish of bottom, guarantees simultaneously that the sewage pump can not do the operation futilely in the state that does not have water.
The sewage pump is characterized in that an upper flange plate and a lower flange plate are arranged on the sewage pump, the pump body is fixed on the lower flange plate, the upper flange plate and the lower flange plate are connected through the rotary screw rod, a plurality of rotary screw rods are arranged along the circumferential direction of the pump body, the driving motor is fixed on the upper flange plate, and the rotary screw rod is rotatably connected with the lower flange plate. Specifically, 33 water inlet cutting openings are distributed on the water inlet trash rack and distributed along the circumference, the opening width of each water inlet cutting opening is smaller than the maximum particle diameter of the water pump, when water flows through the water inlet cutting openings along the arrow direction, sundries with larger sizes are blocked outside the water inlet cutting openings, and the sundries which can pass through the water inlet cutting openings can also be discharged along the water discharge pipe through the sewage pump; the control system controls 4 driving motors of the upper flange plate to rotate simultaneously to drive 4 rotating lead screws connected with the driving motors to rotate together, the rotating speeds of the 4 driving motors and the rotating lead screws are the same, and 33 cutting pieces matched with the water inlet cutting openings are distributed on the circumference of the shearing disc.
The further technical scheme is that a position sensor used for sensing the position of the shearing disc is arranged on the rotary lead screw and is in signal connection with the controller. When the sundries are cut, the shearing disc moves upwards, the position sensor on the rotary lead screw senses that the shearing disc moves to the highest position, then the control system controls the rotary motor to rotate in the opposite direction, the shearing disc slides from top to bottom until the shearing disc slides to the lowest position at the bottom, so that one cleaning action is finished, the control system judges whether the sundries are cleaned or not by monitoring whether the power of the sewage pump is reduced to a normal operation value or not after the cleaning action is finished, and the cleaning action is repeated if the sundries are not cleaned. The cutting cleaner can automatically and independently operate without being influenced by the start and stop of the water pump.
Compared with the prior art, the utility model provides a portable large-traffic drain pump use the easy difficult problem that blocks up in sewage environment, guaranteed drainage flow, reduced the rate of manual use, improved drainage efficiency.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
Fig. 1 is a schematic sectional view of a sewage pump according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view illustrating an operating state of a sewage pump according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial fitting structure of a water distributor, a cutting mechanism and a trash rack according to an embodiment of the present invention.
In the figure:
1 pump body 2 trash rack 3 grid 4 cutting mouth that intakes
5 6 water channel 7 fixing base 8 elastic pieces of guide plate
9 shearing disc 10 cutting piece 11 rotating pin 12 driving motor
13 rotary screw 14, float 15 and collection cavity 16 upper flange
17 lower flange plate 18 drain pipe 19 sundries
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the utility model is as follows, as shown in figures 1 to 3, a sewage pump comprises a pump body 1, a trash rack 2, a water distributor and a cutting mechanism, the trash rack 2 is arranged at the water inlet of the pump body 1, the trash rack 2 comprises grid bars 3 which are vertically arranged, a water inlet cutting opening 4 is formed between the adjacent grid bars 3, the water distributor comprises a plurality of guide plates 5 and adjustable pieces, the guide plates 5 are movably connected with the trash rack 2, a water passing channel 6 is formed between the guide plates 5, the distance between the guide plates 5 can be adjusted by the adjustable part and the size of the water passing channel 6 is changed, the cutting mechanism comprises a driving mechanism and a shearing disc 9, the shearing disc 9 is provided with a plurality of cutting blades 10, cutting blade 10 sets up again in the cutting of intaking 4, actuating mechanism with the transmission of shearing dish 9 is connected and is used for the drive cutting blade 10 is followed cutting of intaking 4 vertical motion of cutting.
In the course of the work, trash rack 2 filters various debris that can not pass through the water pump in the sewage, control system monitors the power and the flow of sewage pump, work continuously when the water pump, 4 department debris of cutting of intaking slowly increase, when blockking up inhalant canal, inhalant canal's velocity of water increases, spin guide 5 apertures of board slowly increase under the effect of water thrust, increase the water passing area, in order to ensure there is sufficient sewage pump displacement, this moment because the increase of import flow resistance, the sewage pump work of doing work increases, control system monitors the change that water pump power increases this moment, adjust the interval between the guide plate 5 and then increase the big or small of inhalant canal 6 through adjustment sewage pump rotational speed and stabilize the displacement. When sundries at the water inlet cutting opening 4 are continuously increased, the control system judges that the water discharge cannot be balanced by adjusting the opening of the guide plate 5 and the rotating speed of the sewage pump through detecting the power data and the flow of the sewage pump, the system starts the self-cleaning device, the driving mechanism moves to drive the cutting blade 10 to vertically move along the water inlet cutting opening 4 to cut off the sundries on the trash rack 2, and the sundries attached to the trash rack 2 are removed; if the power of the monitoring sewage pump is reduced to a normal operation value, controlling the driving mechanism to move to perform cutting action again to cut sundries; if so, cutting is finished, and the power and the flow of the sewage pump are continuously monitored.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3, a fixing seat 7 is disposed on the trash rack 2, the guide plate 5 is connected to the fixing seat 7 through a rotating pin 11, the adjustable member is an elastic sheet 8, two sides of the elastic sheet 8 are respectively connected to the guide plates 5 on two sides, a water passing channel 6 is formed between the adjacent guide plates 5 which are not connected to the same elastic sheet 8, and the motor of the sewage pump is a servo motor. So set up, utilize the elasticity control of flexure strip 8 and the interval between the guide plate 5 that links to each other, when the water velocity of crossing water passageway 6 increases, flexure strip 8 warp under the effect of water thrust, and guide plate 5 is rotatory along rotatory round pin 11, makes 5 apertures of guide plate increase, increase water passageway 6.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and 2, the cutting blade 10 is inclined downward by a predetermined angle. Preferably, the cutting blade 10 is inclined downward at 45 degrees.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 2, the driving mechanism includes a driving motor 12 and a rotating lead screw 13, the rotating lead screw 13 is connected to the output shaft of the driving motor 12, the cutting disc 9 is provided with a connecting hole, and the rotating lead screw 13 is connected to the connecting hole and is connected to the cutting disc 9 by a thread. Therefore, when the driving motor 12 drives the rotary screw 13 to rotate, the shearing disc 9 in threaded connection with the rotary screw 13 moves up and down to drive the cutting blade 10 to cut along the vertical motion of the water inlet cutting opening 4.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and 2, the trash rack 2 is located along the ring direction of the pump body 1, the pump body 1 is sleeved in the trash rack 2, the sewage pump is provided with the floating body 14, and the floating body 14 is located between the trash rack 2 and the pump body 1.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 2, the upper surface of the floating body 14 is lower than the upper surface of the trash rack 2, the height difference between the trash rack 2 and the floating body 14 forms a collecting cavity 15 for accommodating sundries, and the cutting blade 10 moves from bottom to top to complete the cutting. Small sundries which are easy to cut and are attached to the water inlet cutting openings 4 are cut off, large or continuous sundries slide upwards along the cutting pieces 10 until the cutting pieces 10 are separated from the water inlet trash racks 2, and the sundries slide down to the collecting cavities 15 along the cutting pieces 10.
On the basis of the embodiment, the utility model discloses in another embodiment, the sewage pump still includes the controller, is used for detecting the first sensor of sewage pump flow and detects the second sensor of sewage pump power, first sensor, second sensor, servo motor and driving motor 12 with controller signal connection, first sensor and second sensor respectively with the flow information and the power information transmission of the sewage pump that detect to the controller, the controller compares the flow information and the power information of receiving with predetermined flow information and power information, and controls according to the comparison result the opening and stopping and the rotation direction of servo motor's rotational speed and driving motor 12.
On the basis of the above embodiment, in another embodiment of the present invention, the bottom of the sewage pump is provided with a bottom-touching switch, the bottom-touching switch is connected to the power circuit of the sewage pump, and the power circuit of the sewage pump is disconnected when the bottom-touching switch is opened. The setting of body 14 guarantees that the sewage pump wholly floats on the surface of water when using, can block the floating garbage on the surface of water upper strata and get into the water pump, and the bottom is equipped with the switch that touches down, and the pump stop work when touching the switch and opening prevents to inhale the deposit rubbish of bottom, guarantees simultaneously that the sewage pump can not do the operation in the state that does not have water.
On the basis of the above-mentioned embodiment, in another embodiment of the utility model, as in fig. 1, the sewage pump is equipped with upper flange 16 and lower flange 17, the pump body 1 is fixed on the lower flange 17, upper flange 16 and lower flange 17 pass through rotatory lead screw 13 is connected, rotatory lead screw 13 is followed 1 rings of the pump body have been arranged many, driving motor 12 is fixed on the upper flange 16, rotatory lead screw 13 with lower flange 17 rotates and is connected. Specifically, 33 water inlet cutting openings 4 are distributed on the water inlet trash rack 2 and distributed along the circumference, the opening width of each water inlet cutting opening 4 is smaller than the diameter of the largest particulate matter of the water pump, when water flows through the water inlet cutting openings 4 along the arrow direction, sundries with larger sizes are blocked outside the water inlet cutting openings 4, and the sundries which can pass through the water inlet cutting openings 4 can also be discharged along the water discharge pipe 18 through the sewage pump; the control system controls 164 driving motors 12 of the upper flange plate to rotate simultaneously to drive 4 rotating lead screws 13 connected with the driving motors 12 to rotate together, the rotating speeds of the 4 driving motors 12 and the rotating lead screws are the same, and 33 cutting pieces 10 matched with the water inlet cutting openings 4 are distributed on the circumference of the shearing disc 9.
On the basis of the above embodiment, in another embodiment of the present invention, a position sensor for sensing the position of the cutting disc 9 is disposed on the rotary lead screw 13, and the position sensor is connected to the controller via a signal. When the sundries are cut, the shearing disc 9 moves upwards, the position sensor on the rotary lead screw 13 senses that the shearing disc 9 moves to the highest position, then the control system controls the rotary motor to rotate in the opposite direction, the shearing disc 9 slides from top to bottom until the shearing disc slides to the lowest position at the bottom, one cleaning action is finished, the control system judges whether the sundries are cleaned or not by monitoring whether the power of the sewage pump is reduced to a normal operation value or not after the cleaning work is finished, and the cleaning work is repeated if the sundries are not cleaned. The cutting cleaner can automatically and independently operate without being influenced by the start and stop of the water pump.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a sewage pump, its characterized in that, includes the pump body, trash rack, water distributor and cutting mechanism, the trash rack sets up the water inlet department of the pump body, the trash rack includes the grid of vertical setting, constitutes into water cutting mouth between the grid of adjacent setting, water distributor includes a plurality of guide plates and adjustable piece, the guide plate with trash rack swing joint, form water channel between the guide plate, interval between the guide plate passes through adjustable and change of adjustable piece water channel's size, cutting mechanism includes actuating mechanism and cuts the dish, it is equipped with a plurality of cutting pieces to cut the dish, the cutting piece sets up again in the water cutting mouth, actuating mechanism with it connects and is used for the drive to cut the dish transmission the cutting piece is followed water cutting mouth vertical motion.
2. The sewage pump of claim 1, wherein the sewage barrier is provided with a fixed seat, the guide plate is connected with the fixed seat through a rotating pin, the adjustable member is an elastic sheet, two sides of the elastic sheet are respectively connected with the guide plates on two sides of the elastic sheet, a water passing channel is formed between adjacent guide plates which are not connected with the same elastic sheet, and a motor of the sewage pump is a servo motor.
3. The sewage pump of claim 2, wherein the cutting blade is disposed to be inclined downward at a predetermined angle.
4. The sewage pump of claim 3, wherein the driving mechanism comprises a driving motor and a rotary lead screw, the rotary lead screw is connected with an output shaft of the driving motor, the shearing disk is provided with a connecting hole, and the rotary lead screw penetrates through the connecting hole and is in threaded connection with the shearing disk.
5. The sewage pump of any one of claims 1 to 4, wherein the trash rack is arranged along the circumferential direction of the pump body, the pump body is sleeved in the trash rack, and the sewage pump is provided with a floating body arranged between the trash rack and the pump body.
6. The sewage pump of claim 5, wherein the upper surface of the floating body is lower than the upper surface of the trash rack, the height difference between the trash rack and the floating body forms a collecting cavity for containing sundries, and the cutting blade moves from bottom to top to finish cutting.
7. The sewage pump of claim 4, further comprising a controller, a first sensor for detecting the flow rate of the sewage pump, and a second sensor for detecting the power of the sewage pump, wherein the first sensor, the second sensor, the servo motor, and the driving motor are in signal connection with the controller, the first sensor and the second sensor respectively send the detected flow rate information and power information of the sewage pump to the controller, the controller compares the received flow rate information and power information with preset flow rate information and power information, and controls the rotation speed of the servo motor and the start, stop, and rotation direction of the driving motor according to the comparison result.
8. The sewage pump of claim 7, wherein the bottom of the sewage pump is provided with a bottom-touching switch, the bottom-touching switch is connected to a power circuit of the sewage pump, and the power circuit of the sewage pump is disconnected when the bottom-touching switch is opened.
9. The sewage pump of claim 8, wherein the sewage pump is provided with an upper flange and a lower flange, the pump body is fixed on the lower flange, the upper flange and the lower flange are connected through the rotary screw rod, the rotary screw rod is annularly arranged along the pump body, the driving motor is fixed on the upper flange, and the rotary screw rod is rotatably connected with the lower flange.
10. The sewage pump of claim 9, wherein the rotary screw has a position sensor for sensing the position of the shear disk, the position sensor being in signal communication with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022045838.6U CN212690479U (en) | 2020-09-16 | 2020-09-16 | Sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022045838.6U CN212690479U (en) | 2020-09-16 | 2020-09-16 | Sewage pump |
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| Publication Number | Publication Date |
|---|---|
| CN212690479U true CN212690479U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022045838.6U Active CN212690479U (en) | 2020-09-16 | 2020-09-16 | Sewage pump |
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| Country | Link |
|---|---|
| CN (1) | CN212690479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113018932A (en) * | 2021-03-18 | 2021-06-25 | 钟淑媛 | Filtering mechanism for sewage treatment |
-
2020
- 2020-09-16 CN CN202022045838.6U patent/CN212690479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113018932A (en) * | 2021-03-18 | 2021-06-25 | 钟淑媛 | Filtering mechanism for sewage treatment |
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