CN112892018A - Sewage filtering device for hydraulic engineering - Google Patents
Sewage filtering device for hydraulic engineering Download PDFInfo
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- CN112892018A CN112892018A CN202110075888.5A CN202110075888A CN112892018A CN 112892018 A CN112892018 A CN 112892018A CN 202110075888 A CN202110075888 A CN 202110075888A CN 112892018 A CN112892018 A CN 112892018A
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- 238000001914 filtration Methods 0.000 title claims abstract description 40
- 239000010865 sewage Substances 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/16—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters hinged to the rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/31—Safety devices or measures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
- B02C2013/28609—Discharge means
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to the field of sewage treatment, in particular to a sewage filtering device for hydraulic engineering. The sewage filtering device for the hydraulic engineering comprises a filtering barrel and a crushing device, wherein the crushing device receives and crushes filter residues of the filtering barrel and comprises a shell, a motor, a grinding device, a grinding adjusting component, a first gear and a second gear; the first gear is connected with the motor, the second gear is externally meshed with the first gear, and the upper end of a rotating shaft of the second gear is provided with a rotation stopping head; the grinding device comprises a support ring and a grinding disc fixed on the support ring, and the support ring is internally meshed with the second gear; the grinding adjusting component comprises an inertia knocking hammer, a transmission mechanism, a lower bottom plate and a unidirectional rotating device; the rotation stopping head is clamped into the lower bottom plate to block the second gear from rotating; the inertia knocking hammer is configured to move to a reversing position when the grinding disc is clamped to be dead and stopped, and drives the lower bottom plate to be separated from the rotation stopping head through the transmission mechanism, so that the second gear only rotates under the limitation of the one-way rotating device, and the grinding disc changes the rotating direction and rotates.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a sewage filtering device for hydraulic engineering.
Background
Contain more aquatic plant in the sewage among the hydraulic engineering, need carry out solid-liquid separation before the processing, handle the filter residue of filtering separately, because the filter residue of filtering out is mostly aquatic plant, can regard as fertilizer recycle, current sewage filter equipment can directly grind the filter residue after sewage filters and smash, be convenient for transportation and reprocess, but aquatic plant intertwines easily, it dies to cause the abrasive disc card, burn out the motor, consequently, need one kind and can prevent the dead sewage filter equipment for hydraulic engineering of abrasive disc card, protect the motor when improving crushing efficiency.
Disclosure of Invention
The invention provides a sewage filtering device for hydraulic engineering, which aims to solve the problem that a grinding disc is easy to block when filter residues are crushed in the prior art.
The invention discloses a sewage filtering device for hydraulic engineering, which adopts the following technical scheme:
a sewage filtering device for hydraulic engineering comprises a filtering barrel and a crushing device, wherein the filtering barrel is provided with a sewage inlet, a water outlet and a slag discharge port, and a filter screen is arranged in the filtering barrel; the crushing device receives filter residues at the residue discharge port, crushes the filter residues and discharges the crushed filter residues, and comprises a shell, a motor, a grinding device, a grinding adjusting component, a first gear, a second gear and a rotating shaft; the first gear is driven by the motor to rotate, the second gear is externally meshed with the first gear, and the rotating shaft penetrates through the axis of the second gear and is fixedly connected with the second gear; the upper end of the rotating shaft is provided with a rotation stopping head; the grinding device comprises a support ring and a grinding disc for grinding filter residues, the support ring is rotatably arranged in the shell, an inner gear ring meshed with the second gear is arranged on the inner wall of the support ring, and the grinding disc is fixedly arranged at the upper end of the support ring; the grinding adjusting component comprises an inertia knocking hammer, a transmission mechanism, a lower bottom plate and a unidirectional rotating device; the lower bottom plate is positioned above the first gear and the second gear, can be vertically and movably arranged in the shell and synchronously rotates along with the grinding disc; the rotation stopping head is clamped into the lower bottom plate to block the second gear from rotating; the one-way rotating device is configured to allow the rotating shaft to rotate around the rotating axis of the first gear when the rotation stopping head is clamped into the lower bottom plate, and after the rotation stopping head is separated from the lower bottom plate, the rotating shaft is prevented from rotating around the rotating axis of the first gear and the second gear is allowed to rotate; the inertia knocking hammer is arranged on the grinding disc and is configured to continue to move to a reversing position around the rotating axis of the first gear when the grinding disc is clamped and stalled, the transmission mechanism drives the lower bottom plate to ascend and be separated from the stall head, the second gear rotates, the grinding disc changes the rotating direction and rotates, the grinding disc continues to move to an initial position around the rotating axis of the first gear when the grinding disc is clamped and stalled again, the transmission mechanism drives the lower bottom plate to descend and be matched with the stall head, the second gear is blocked from rotating, and the grinding disc changes the rotating direction and rotates again.
Drive mechanism includes the waist pole, the abrasive disc is opening basin form down, be provided with arc guide hole on the lateral wall of abrasive disc, arc guide hole is high at the center, the arch that both ends are low, both ends are inertia striking hammer motion's initial position and switching-over position respectively, inertia strikes hammer upper end slidable and installs in arc guide hole, the upper end universal of waist pole articulates in inertia striking hammer, waist pole lower extreme and lower plate universal articulated, and be in the both ends outside of arc guide hole along the circumferential direction waist pole lower extreme of abrasive disc, and be close to the initial position.
An annular limiting groove is formed in the lower side of the lower bottom plate, first teeth are arranged on two side walls of the annular limiting groove, the rotation stopping head is a rotation stopping gear ring, and the rotation stopping gear ring is mounted at the upper end of the rotating shaft and stops the rotation of the rotating head when being meshed with the first teeth; the first teeth and the teeth of the rotation stopping gear ring are made of smooth materials.
The inner wall of the rotation stopping gear ring is provided with a yielding groove, and a positioning bulge is arranged at the position of the rotating shaft corresponding to the yielding groove, so that the rotating shaft and the rotation stopping gear ring can relatively rotate within the width range of the yielding groove.
The unidirectional rotating device comprises a unidirectional rotating supporting plate, ratchets are arranged on the outer circumference of the unidirectional rotating supporting plate, and a limiting head used for being clamped into a gap of the ratchets is arranged on the inner wall of the shell; the inner wall of the shell is also provided with a supporting ring and a positioning ring, the supporting ring is an elastic part and is positioned at the lower side of the limiting head, the unidirectional rotating supporting plate is supported against the upper side of the supporting ring, and the positioning ring is positioned above the limiting head so as to prevent the unidirectional rotating supporting plate from continuing to move upwards after being meshed with the limiting head; the lower end of the rotating shaft is rotatably arranged on the unidirectional rotating supporting plate, and when the grinding disc is in an initial position, the lower bottom plate downwards extrudes the unidirectional rotating supporting plate through the rotation stopping head, so that the ratchets of the unidirectional rotating supporting plate are positioned at the lower side of the limiting head, and the unidirectional rotating supporting plate is driven by the rotation stopping head to rotate in the same direction as the first gear; when the grinding disc is in the reversing position, the one-way rotating supporting plate moves upwards under the action of the deformation recovery of the supporting ring, and the limiting head is clamped in the ratchet clearance of the one-way rotating supporting plate to block the one-way rotating supporting plate from rotating, so that the rotating shaft can only rotate.
An arc guide post arranged along the length direction of the arc guide hole is arranged in the arc guide hole, and the inertial knocking hammer is slidably arranged on the arc guide post.
The inner wall of the shell is provided with an annular supporting platform, the upper end of the supporting ring can be rotatably supported against the annular supporting platform, the outer circumference of the supporting ring is also provided with a thread retaining ring, and the thread retaining ring is positioned on the lower side of the annular supporting platform.
The upper end of the grinding disc is provided with a grinding pendulum bob, the inner end of the grinding pendulum bob is hinged to the upper end of the grinding disc in a swinging manner, and the other end of the grinding pendulum bob impacts filter residues under the centrifugal action; a grinding wall is arranged on the inner wall of the shell, and a grinding discharge channel is formed between the grinding wall and the side wall of the grinding disc; the space between the shell and the support ring and on the upper side of the annular support platform is an annular discharging and collecting cavity, and the annular support platform is provided with a discharging hole communicated with the annular discharging and collecting cavity.
A plurality of material pushing plates are arranged on the outer circumference of the support ring and are arranged in the annular material discharging and collecting cavity at intervals along the circumferential direction of the support ring, so that when the material pushing plates rotate along with the support ring, filter residues in the annular material discharging and collecting cavity are pushed to be discharged from the material discharging hole.
The inner wall central point of abrasive disc puts and is provided with the polygon guide post of vertical downwardly extending, and the lower extreme of polygon guide post passes the lower plate to make the lower plate reciprocate along the polygon guide post, and hinder lower plate and abrasive disc to take place relative rotation.
The invention has the beneficial effects that: the sewage filtering device for the hydraulic engineering drives the bottom plate to lift under the driving of inertia when the grinding disc is stuck and stalled by the inertia knocking hammer, so that the rotation of the second gear is limited or unlocked, and the sewage filtering device is matched with the one-way rotating supporting plate, so that the second gear can only rotate or revolve around the first gear, the steering of the grinding disc is changed when the grinding disc is stuck, and the damage of a motor caused by the sticking when the grinding disc rotates in one direction is avoided; the inertial knocking hammer knocks two ends of the arc guide hole when sliding from the initial position to the reversing position or from the reversing position to the initial position, so that the grinding disc vibrates, and the downward discharging speed of filter residues is improved; the arch design of the arc-shaped guide hole enables the inertia hammer to cross the highest point of the arch and then to be driven to reach the other end under the action of self weight, and the inertia hammer is prevented from rebounding to the other end after knocking one end of the arc-shaped guide hole.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an embodiment of a sewage filtering apparatus for hydraulic engineering according to the present invention;
FIG. 2 is a schematic view of a half-section of a crushing device in an embodiment of a sewage filtering device for hydraulic engineering according to the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2;
FIG. 4 is a schematic view illustrating a reverse rotation state of an abrasive disk in an embodiment of a sewage filtering apparatus for hydraulic engineering according to the present invention;
FIG. 5 is a schematic view of an embodiment of a grinding disc and a waist bar of the sewage filtering device for hydraulic engineering according to the present invention;
FIG. 6 is a schematic view of the installation of a waist bar and a lower plate in an embodiment of the sewage filtering device for hydraulic engineering of the present invention;
FIG. 7 is a schematic view of a lower plate and a rotation stopping head of an embodiment of a sewage filtering apparatus for water conservancy projects according to the present invention;
FIG. 8 is an enlarged view of the point B in FIG. 7;
FIG. 9 is a schematic view of a one-way rotating support plate and a limiting head in an embodiment of a sewage filtering device for hydraulic engineering according to the present invention;
FIG. 10 is a schematic view showing the distribution of the scraping plates in the embodiment of the sewage filtering apparatus for hydraulic engineering according to the present invention;
in the figure: 1. a crushing device; 2. a filter vat; 3. a sewage inlet; 4. a water outlet; 11. a housing; 12. a discharge hole; 13. a positioning ring; 14. a limiting head; 151. a ring; 21. grinding the wall; 22. a grinding disk; 221. grinding the pendulum bob; 23. an arc-shaped guide hole; 24. an arc-shaped guide post; 25. a polygonal guide post; 31. an inertial knocking hammer; 32. a waist bar; 33. a lower base plate; 34. an annular limiting groove; 41. a first gear; 42. a second gear; 43. a support ring; 431. a material pushing plate; 432. a threaded retainer ring; 433. a support table; 434. an inner gear ring; 44. stopping rotating the head; 441. a yielding groove; 442. positioning the projection; 443. a rotating shaft; 5. the supporting plate rotates in a single direction; 6. an electric motor.
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 embodiment of the sewage filtering device for the hydraulic engineering, disclosed by the invention, as shown in figures 1 to 10, comprises a filtering barrel 2 and a crushing device 1;
the filtering barrel 2 is provided with a sewage inlet 3, a water outlet 4 and a slag discharge port, and a filter screen is arranged in the filtering barrel 2;
the crushing device 1 receives filter residues at the residue discharge port, crushes the filter residues and discharges the crushed filter residues, and comprises a shell 11, a motor 6, a grinding device, a grinding adjusting component, a first gear 41, a second gear 42 and a rotating shaft 443; the first gear 41 is driven by the motor 6 to rotate, the second gear 42 is externally meshed with the first gear 41, and the rotating shaft 443 passes through the axis of the second gear 42 and is fixedly connected with the second gear 42; the upper end of the rotating shaft 443 is provided with a rotation stopping head 44; the grinding device comprises a support ring 43 and a grinding disc 22 for grinding filter residues, the support ring 43 is rotatably arranged in the shell 11, an inner toothed ring 434 engaged with the second gear 42 is arranged on the inner wall of the support ring 43, and the grinding disc 22 is fixedly arranged at the upper end of the support ring 43; the grinding adjusting component comprises an inertia knocking hammer 31, a transmission mechanism, a lower bottom plate 33 and a unidirectional rotating device; the lower bottom plate 33 is positioned above the first gear 41 and the second gear 42, is installed in the shell 11 in a vertically movable manner and synchronously rotates with the grinding disc 22, and the inner wall of the support ring 43 is also provided with a support table 433 for supporting the lower bottom plate 33; the rotation stopping head 44 is clamped in the lower bottom plate 33 to prevent the second gear 42 from rotating, so that the support ring 43 and the first gear 41 rotate in the same direction; the one-way rotation device is configured to allow the rotation shaft 443 to rotate around the rotation axis of the first gear 41 when the rotation stopper 44 is snapped into the lower plate 33, and to prevent the rotation shaft 443 from rotating around the rotation axis of the first gear 41 and allow the second gear 42 to rotate after the rotation stopper 44 is disengaged from the lower plate 33; the inertial knocking hammer 31 is mounted on the grinding disc 22, and configured to continue to move to a reversing position around the rotation axis of the first gear 41 when the grinding disc 22 is locked and stalled, and to drive the lower base plate 33 to ascend through the transmission mechanism and to be separated from the stall head 44, so as to enable the second gear 42 to rotate, so as to enable the grinding disc 22 to change the rotation direction and rotate, and to continue to move to an initial position around the rotation axis of the first gear 41 when the grinding disc 22 is locked and stalled again, and to drive the lower base plate 33 to descend through the transmission mechanism and to be matched with the stall head 44, so as to prevent the second gear 42 from rotating, so as to enable the grinding disc 22 to change the rotation direction and rotate again.
In the embodiment, the transmission mechanism comprises a waist rod 32, the grinding disc 22 is in a basin shape with a downward opening, and the opening at the lower end is larger than the bottom surface at the upper end; arc guide hole 23 is provided with on the lateral wall of abrasive disc 22, arc guide hole 23 is high for the center, the arch that both ends are low, both ends are initial position and the switching-over position of inertia striking hammer 31 motion respectively, inertia striking hammer 31 upper end slidable install in arc guide hole 23, the upper end of waist bar 32 is universal to be articulated in inertia striking hammer 31, waist bar 32 lower extreme and lower plate 33 are universal to be articulated, and waist bar 32 lower extreme is in the both ends outside along the arc guide hole 23 of abrasive disc 22's circumferential direction, and is close to initial position. After the inertia knocking hammer 31 crosses the highest point of the arc-shaped guide hole 23, the driving mechanism drives the lower bottom plate 33 to ascend and separate from the rotation stopping head 44, and the reversing is completed. Alternatively, lower plate 33 may be raised to disengage from rotation stop head 44 until inertial slap hammer 31 reaches the reversal position. Preferably, after the inertia knocking hammer 31 passes through the highest point of the arc-shaped guide hole 23, the driving mechanism drives the lower base plate 33 to ascend and separate from the rotation stopping head 44, so as to complete the reversing, so that the required conditions for allowing the reversing are as consistent as possible in each reversing process, so as to prevent the problem that the lower base plate 33 does not reverse when moving on the ascending section in the process of moving from the initial position to the reversing position, and the lower base plate 33 reverses on the corresponding ascending section in the process of moving from the reversing position to the initial position. Further, the highest point of the arc-shaped guide hole 23 is also arranged so that the elevation height of the lower base plate 33 on the ascending section is equal to the elevation height on the descending section.
In this embodiment, an annular limiting groove 34 is formed at the lower side of the lower base plate 33, first teeth are formed on both side walls of the annular limiting groove 34, and the rotation stopping head 44 is a rotation stopping ring gear which is mounted at the upper end of the rotating shaft 443 and stops the rotation of the rotation stopping head 44 when being engaged with the first teeth; the first teeth and the teeth of the rotation stopping gear ring are made of smooth materials.
In this embodiment, the rotation-stopping gear ring has a receding groove 441 on an inner wall thereof, and the rotating shaft 443 has a positioning protrusion 442 corresponding to the receding groove 441, so that the rotating shaft 443 and the rotation-stopping gear ring can rotate relatively within a width range of the receding groove 441. When the inertia knocking hammer 31 slides from the reversing position to the initial position, the lower base plate 33 moves downward to enable the first teeth on the annular limiting groove 34 to be meshed with the teeth of the rotation stopping gear ring again. Optionally, the lower side of the first tooth and the upper side of the tooth of the rotation-stopping gear ring are both tapered, so that the first tooth and the tooth of the rotation-stopping gear ring are engaged.
In this embodiment, an arc-shaped guide post 24 is disposed in the arc-shaped guide hole 23 along the length direction of the arc-shaped guide hole 23, and the inertial knocking hammer 31 is slidably mounted on the arc-shaped guide post 24.
In the embodiment, the unidirectional rotation device comprises a unidirectional rotation supporting plate 5, the outer circumference of the unidirectional rotation supporting plate 5 is provided with a ratchet, and the inner wall of the shell 11 is provided with a limit head 14 for being clamped into a gap of the ratchet; the inner wall of the shell 11 is further provided with a supporting ring 151 and a positioning ring 13, the supporting ring 151 is an elastic part and is positioned at the lower side of the limiting head 14, the unidirectional rotating supporting plate 5 is supported against the upper side of the supporting ring 151, and the positioning ring 13 is positioned above the limiting head 14 so as to prevent the unidirectional rotating supporting plate 5 from continuing to move upwards after being meshed with the limiting head 14; the lower end of the rotating shaft 443 is rotatably installed on the unidirectional rotation supporting plate 5, and when the grinding disc 22 is at the initial position, the lower bottom plate 33 presses the unidirectional rotation supporting plate 5 downwards through the rotation stopping head 44, so that the ratchet of the unidirectional rotation supporting plate 5 is located at the lower side of the limiting head 14, and the unidirectional rotation supporting plate 5 is driven by the rotation stopping head 44 to rotate in the same direction as the first gear 41; when the grinding disc 22 is at the reversing position, the unidirectional rotation supporting plate 5 moves upwards under the action of the deformation recovery of the supporting ring 151, the limiting head 14 is clamped in the ratchet clearance of the unidirectional rotation supporting plate 5 to block the unidirectional rotation supporting plate 5 from rotating, and the rotating shaft 443 can only rotate.
In this embodiment, the inner wall of the housing 11 is provided with an annular support platform, the upper end of the support ring 43 is rotatably supported against the annular support platform, the outer circumference of the support ring 43 is further provided with a thread stop ring 432, and the thread stop ring 432 is located at the lower side of the annular support platform to block the support ring 43 from axially moving.
In this embodiment, a grinding pendulum bob 221 is disposed at the upper end of the grinding disc 22, the inner end of the grinding pendulum bob 221 is hinged to the upper end of the grinding disc 22 in a swinging manner, and the outer end of the grinding pendulum bob impacts filter residues under the centrifugal action; a grinding wall 21 is arranged on the inner wall of the shell 11, a grinding discharge channel is formed between the grinding wall 21 and the side wall of the grinding disc 22, and filter residues entering the grinding discharge channel are ground and crushed under the interaction of the grinding wall 21 and the side wall of the grinding disc 22; the space between the housing 11 and the support ring 43, which is located at the upper side of the annular support platform, is an annular discharge and collection chamber, the annular support platform is provided with a discharge hole 12 communicated with the annular discharge and collection chamber, and crushed filter residues are discharged from the discharge hole 12.
In the present embodiment, a plurality of scraping plates 431 are disposed on the outer circumference of the supporting ring 43, and the plurality of scraping plates 431 are spaced along the circumference of the supporting ring 43 to push the filter residue at the bottom of the discharge channel to be discharged from the discharge hole 12 when rotating with the supporting ring 43.
In this embodiment, a polygonal guide post 25 extending vertically downward is disposed at the center of the inner wall of the grinding disc 22, and the lower end of the polygonal guide post 25 passes through the lower plate 33, so that the lower plate 33 moves up and down along the polygonal guide post 25 and the lower plate 33 is prevented from rotating relative to the grinding disc 22.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a sewage filter equipment for hydraulic engineering, includes filter vat, reducing mechanism, its characterized in that: the filtering barrel is provided with a sewage inlet, a water outlet and a slag discharge port, and a filter screen is arranged in the filtering barrel; the crushing device receives filter residues at the residue discharge port, crushes the filter residues and discharges the crushed filter residues, and comprises a shell, a motor, a grinding device, a grinding adjusting component, a first gear, a second gear and a rotating shaft; the first gear is driven by the motor to rotate, the second gear is externally meshed with the first gear, and the rotating shaft penetrates through the axis of the second gear and is fixedly connected with the second gear; the upper end of the rotating shaft is provided with a rotation stopping head; the grinding device comprises a support ring and a grinding disc for grinding filter residues, the support ring is rotatably arranged in the shell, an inner gear ring meshed with the second gear is arranged on the inner wall of the support ring, and the grinding disc is fixedly arranged at the upper end of the support ring; the grinding adjusting component comprises an inertia knocking hammer, a transmission mechanism, a lower bottom plate and a unidirectional rotating device; the lower bottom plate is positioned above the first gear and the second gear, can be vertically and movably arranged in the shell and synchronously rotates along with the grinding disc; the rotation stopping head is clamped into the lower bottom plate to block the second gear from rotating; the one-way rotating device is configured to allow the rotating shaft to rotate around the rotating axis of the first gear when the rotation stopping head is clamped into the lower bottom plate, and after the rotation stopping head is separated from the lower bottom plate, the rotating shaft is prevented from rotating around the rotating axis of the first gear and the second gear is allowed to rotate; the inertia knocking hammer is arranged on the grinding disc and is configured to continue to move to a reversing position around the rotating axis of the first gear when the grinding disc is clamped and stalled, the transmission mechanism drives the lower bottom plate to ascend and be separated from the stall head, the second gear rotates, the grinding disc changes the rotating direction and rotates, the grinding disc continues to move to an initial position around the rotating axis of the first gear when the grinding disc is clamped and stalled again, the transmission mechanism drives the lower bottom plate to descend and be matched with the stall head, the second gear is blocked from rotating, and the grinding disc changes the rotating direction and rotates again.
2. The sewage filtering device for the hydraulic engineering according to claim 1, wherein: drive mechanism includes the waist pole, the abrasive disc is opening basin form down, be provided with arc guide hole on the lateral wall of abrasive disc, arc guide hole is high at the center, the arch that both ends are low, both ends are inertia striking hammer motion's initial position and switching-over position respectively, inertia strikes hammer upper end slidable and installs in arc guide hole, the upper end universal of waist pole articulates in inertia striking hammer, waist pole lower extreme and lower plate universal articulated, and be in the both ends outside of arc guide hole along the circumferential direction waist pole lower extreme of abrasive disc, and be close to the initial position.
3. The sewage filtering device for the hydraulic engineering according to claim 1, wherein: an annular limiting groove is formed in the lower side of the lower bottom plate, first teeth are arranged on two side walls of the annular limiting groove, the rotation stopping head is a rotation stopping gear ring, and the rotation stopping gear ring is mounted at the upper end of the rotating shaft and stops the rotation of the rotating head when being meshed with the first teeth; the first teeth and the teeth of the rotation stopping gear ring are made of smooth materials.
4. The sewage filtering device for the water conservancy project according to claim 3, characterized in that: the inner wall of the rotation stopping gear ring is provided with a yielding groove, and a positioning bulge is arranged at the position of the rotating shaft corresponding to the yielding groove, so that the rotating shaft and the rotation stopping gear ring can relatively rotate within the width range of the yielding groove.
5. The sewage filtering device for the hydraulic engineering according to claim 1, wherein: the unidirectional rotating device comprises a unidirectional rotating supporting plate, ratchets are arranged on the outer circumference of the unidirectional rotating supporting plate, and a limiting head used for being clamped into a gap of the ratchets is arranged on the inner wall of the shell; the inner wall of the shell is also provided with a supporting ring and a positioning ring, the supporting ring is an elastic part and is positioned at the lower side of the limiting head, the unidirectional rotating supporting plate is supported against the upper side of the supporting ring, and the positioning ring is positioned above the limiting head so as to prevent the unidirectional rotating supporting plate from continuing to move upwards after being meshed with the limiting head; the lower end of the rotating shaft is rotatably arranged on the unidirectional rotating supporting plate, and when the grinding disc is in an initial position, the lower bottom plate downwards extrudes the unidirectional rotating supporting plate through the rotation stopping head, so that the ratchets of the unidirectional rotating supporting plate are positioned at the lower side of the limiting head, and the unidirectional rotating supporting plate is driven by the rotation stopping head to rotate in the same direction as the first gear; when the grinding disc is in the reversing position, the one-way rotating supporting plate moves upwards under the action of the deformation recovery of the supporting ring, and the limiting head is clamped in the ratchet clearance of the one-way rotating supporting plate to block the one-way rotating supporting plate from rotating, so that the rotating shaft can only rotate.
6. The sewage filtering device for the hydraulic engineering according to claim 1, wherein: an arc guide post arranged along the length direction of the arc guide hole is arranged in the arc guide hole, and the inertial knocking hammer is slidably arranged on the arc guide post.
7. The sewage filtering device for the hydraulic engineering according to claim 1, wherein: the inner wall of the shell is provided with an annular supporting platform, the upper end of the supporting ring can be rotatably supported against the annular supporting platform, the outer circumference of the supporting ring is also provided with a thread retaining ring, and the thread retaining ring is positioned on the lower side of the annular supporting platform.
8. The sewage filtering device for the water conservancy project according to claim 7, characterized in that: the upper end of the grinding disc is provided with a grinding pendulum bob, the inner end of the grinding pendulum bob is hinged to the upper end of the grinding disc in a swinging manner, and the other end of the grinding pendulum bob impacts filter residues under the centrifugal action; a grinding wall is arranged on the inner wall of the shell, and a grinding discharge channel is formed between the grinding wall and the side wall of the grinding disc; the space between the shell and the support ring and on the upper side of the annular support platform is an annular discharging and collecting cavity, and the annular support platform is provided with a discharging hole communicated with the annular discharging and collecting cavity.
9. The sewage filtering device for the water conservancy project according to claim 8, characterized in that: a plurality of material pushing plates are arranged on the outer circumference of the support ring and are arranged in the annular material discharging and collecting cavity at intervals along the circumferential direction of the support ring, so that when the material pushing plates rotate along with the support ring, filter residues in the annular material discharging and collecting cavity are pushed to be discharged from the material discharging hole.
10. The sewage filtering device for the hydraulic engineering according to claim 1, wherein: the inner wall central point of abrasive disc puts and is provided with the polygon guide post of vertical downwardly extending, and the lower extreme of polygon guide post passes the lower plate to make the lower plate reciprocate along the polygon guide post, and hinder lower plate and abrasive disc to take place relative rotation.
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| CN202110075888.5A CN112892018B (en) | 2021-01-20 | 2021-01-20 | Sewage filtering device for hydraulic engineering |
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| CN202110075888.5A CN112892018B (en) | 2021-01-20 | 2021-01-20 | Sewage filtering device for hydraulic engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307056A (en) * | 2021-06-25 | 2021-08-27 | 高占次 | Centrifugal reciprocating vibrator |
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| CN112892018B (en) | 2022-04-12 |
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