CN211523112U - Drum-type trash blocking and cleaning device - Google Patents

Abstract

The utility model provides a drum-type trash blocking and cleaning device. The trash blocking and cleaning device comprises a hub-shaped roller bracket, a roller bracket rotation driving device and a garbage washing device, wherein an assembly main shaft is arranged at the center of the roller bracket, and the circumferential surface of the roller bracket is a net-shaped filtering surface; the rotary driving device of the roller bracket comprises a driving motor, a driving gear and a gear ring fixed on the outer surface of the roller bracket in the circumferential direction, wherein the driving gear is arranged at the tail end of a transmission shaft of the driving motor and is meshed with the gear ring; garbage washing unit is including setting up the spray pipe and the dirty groove of collection in the cylinder stand top, and the netted filtering surface outside of cylinder stand is arranged in to the spray pipe, and the dirty groove of collection is arranged cylinder stand's netted filtering surface inboard in, and its dirty mouthful of collection up is equipped with the drain that communicates with external sewage pipes in the bottom in the dirty groove of collection. The utility model discloses whole simple to operate, nimble can block dirty the trash fast, can not lead to the jam of trash rack because of the filth is too many.

Description

Drum-type trash blocking and cleaning device

Technical Field

The utility model relates to hydraulic and hydroelectric engineering field is a drum-type trash holding and cleaning device particularly.

Background

In channels of water transfer works or ordinary river channels, the main pollutants include the following three aspects: firstly, plants such as branches and leaves; second, domestic garbage such as plastic bags, plastic water bottles, foam blocks, woven bag plastic sundries and the like; and thirdly, organisms such as algae growing in water. The sewage is mainly suspended in water, if the amount of the sewage is large, the water quality is influenced, the water supply and the life of people are influenced, and meanwhile, equipment such as a trash rack, a trash remover and the like in operation of a channel or a river channel are influenced, so that a great danger is caused.

In order to prevent the channels or river channels from being polluted more, trash racks and trash cleaning machines are generally arranged in the channels. Build the trash device of trash removal on hydraulic and hydroelectric engineering, generally use fixed or portable trash rack to block dirty, the cooperation trash rack is cleared up dirty to realize the purpose of the trash removal trash block. For long-distance water transfer projects, a few sewage blocking and cleaning devices are arranged, so that the head loss can be reduced, the project investment and the management cost can be saved, the water quality can be influenced, and the pressure of the sewage blocking and cleaning devices is high; set up too much trash-blocking and cleaning device, not only influence the water-service of channel, cause head loss, still need increase equipment and human cost's input.

In addition, the existing trash holding device generally starts to clean after a certain amount of dirt is accumulated, but if the existing trash holding device is subjected to the condition of more dirt, the trash holding bars are often blocked, so that the normal operation of hydraulic and hydroelectric engineering is influenced; the existing sewage disposal mode mainly adopts manual or mechanical mode, wherein the manual cleaning mode is that after the sewage is accumulated to a certain amount, the upper stream of the sewage disposal device of the sewage disposal personnel is salvaged by adopting a simple tool, and the method has little effect proved by practice due to the reasons of irregular shape, limited salvage position and the like of the floating sewage; or, the trash cleaning personnel take the trash cleaning boat to the upstream of the trash blocking device for fishing, and the water flow forms vortex and attraction, so that great danger is brought to fishing work. The cleaning machine mainly cleans through cleaning devices such as a grab bucket type cleaning machine, a rake tooth type cleaning machine, a rotary type cleaning machine and the like which are installed in advance, when the floating dirt in the basin is particularly serious or in the flood season, the cleaning machine can hardly achieve the ideal cleaning effect even if the cleaning machine runs at full load, and therefore the normal operation of the project is influenced.

Disclosure of Invention

The utility model provides a drum-type trash holding and cleaning device according to prior art's not enough, the device assembly is simple, can trash holding and cleaning fast, can not lead to the jam of trash rack too much because of the filth to can solve the waterhead loss that sets up too much trash holding and cleaning device and cause and the increase of input, can guarantee the quality of water of channel again.

In order to solve the technical problem, the utility model provides a technical scheme does: the drum-type trash blocking and cleaning device comprises a hub-shaped drum support, a drum support rotation driving device and a garbage washing device arranged on the drum support, wherein an assembly main shaft is arranged at the center of the drum support, and the circumferential surface of the drum support is a net-shaped filtering surface; the rotary driving device of the roller bracket comprises a driving motor, a driving gear and a gear ring fixed on the outer surface of the roller bracket in the circumferential direction, the driving gear is arranged at the tail end of a transmission shaft of the driving motor and is meshed with the gear ring, and the driving gear is controlled by the driving motor to drive the roller bracket to rotate along the assembly main shaft; the garbage flushing device comprises a spray pipe erected above the roller support and a sewage collecting tank arranged below the spray pipe, wherein a plurality of nozzles are distributed on the spray pipe, the spray pipe is arranged outside the reticular filter surface of the roller support, the sewage collecting tank is arranged inside the reticular filter surface of the roller support, a sewage collecting opening of the sewage collecting tank faces upwards, and a sewage draining opening communicated with an external sewage draining pipeline is arranged at the bottom of the sewage collecting tank.

The utility model discloses better technical scheme: the trash blocking and cleaning device is assembled on a main channel of a water transfer project or assembled at a water diversion port of the main channel of the water transfer project through an assembly main shaft, and after the trash blocking and cleaning device is assembled, a retaining wall is built through a channel side wall or concrete to surround the trash blocking and cleaning device, so that water in the channel enters the roller support from two axial surfaces of the roller support, and after garbage in the water is removed through a net-shaped filtering surface outside the roller support and a garbage washing device, the garbage is removed from the circumferential surface or one of the axial surfaces of the roller support.

The utility model discloses better technical scheme: the trash blocking and cleaning device further comprises a square concrete support formed by enclosing a concrete retaining wall or the concrete retaining wall and a channel side wall, a trash cleaning cavity is arranged in the square concrete support, an assembly main shaft of the roller support is parallel to the water flow direction of the main channel and is arranged in the trash cleaning cavity of the square concrete support or is perpendicular to the water flow direction of the main channel and is arranged in the trash cleaning cavity of the square concrete support, and the roller support rotates in the trash cleaning cavity of the square concrete support along the assembly main shaft under the action of a roller support rotation driving device; the rotary driving device of the roller bracket is provided with the top surface of the square concrete bracket through the mounting frame of the driving device, the sewage collecting tank is fixed in the square concrete bracket through the sewage collecting tank supporting frame, and the notch of the sewage collecting tank is over against the water spraying port of the water spraying pipe; the square concrete support is provided with a water inlet and a water outlet, the water inlet is communicated with the axial surface of the roller support, and the water outlet is communicated with the circumferential surface of the roller support or communicated with the other axial surface of the roller support.

The utility model discloses better technical scheme: the roller support comprises a cylindrical frame, a hub support and a gear ring fixing steel groove, wherein the hub support consists of a plurality of A-shaped spokes, the gear ring fixing steel groove is arranged on a central parting line in the axial direction of the cylindrical frame, the cylindrical frame is formed by connecting a plurality of circular frames through a main cross beam and is provided with a plurality of arc-shaped hollow parts, each hollow part is provided with an arc-shaped filter net sheet, and a plurality of arc-shaped filter net sheets and the cylindrical frame are combined to form a cylindrical net-shaped filter surface; two ends of an assembly main shaft of the roller bracket are respectively provided with a rolling bearing and a bearing seat; the hub bracket is characterized in that a plurality of A-shaped spokes are distributed at equal intervals, each A-shaped spoke is composed of two metal spokes, one end of each metal spoke is fixed on each main cross beam, and the other end of each metal spoke is fixed on the assembly main shaft; the gear ring is fixedly arranged in the gear ring fixing steel groove; a dirt scraping plate is mounted on each main beam of the cylindrical frame.

The utility model discloses better technical scheme: the rotary driving device of the roller bracket also comprises a gear reducer and a coupler, wherein the driving motor is a double-speed motor and is connected with the gear reducer through an overrunning clutch, and the output end of the gear reducer is connected with a transmission shaft through the coupler; the reducer is provided with a low oil level alarm device, and a coupling at the output end of the reducer is provided with a safety pin.

The utility model discloses better technical scheme: the trash blocking and cleaning device also comprises a supporting and overhauling platform which is spanned on the upper part of the hub-shaped roller bracket and is used for supporting and overhauling the rotary driving device of the roller bracket and the garbage washing device; the garbage flushing device is characterized in that the two spray pipes are erected on the supporting and overhauling platform through the supporting frame, are erected above the supporting frame side by side and are communicated with each other and are provided with the spray pumps in a matched mode.

The utility model discloses better technical scheme: when the trash holding and cleaning device is installed on the main channel, a first concrete retaining wall is arranged at the downstream position of the trash holding and cleaning device, two ends of an assembly main shaft of the roller bracket are respectively assembled on banks at two sides of the main channel through bearing seats, the roller bracket rotates along the direction of water flow, and a water outlet is formed in the bottom of the first concrete retaining wall corresponding to the position of the roller bracket; when the trash blocking and cleaning device is installed at a water dividing port of a main channel, a square concrete support for installing a roller support is prepared, and an assembling main shaft of the roller support is installed in a direction parallel to the water flow direction of the main channel or in a direction perpendicular to the water flow direction of the main channel; when the roller bracket is installed in parallel to the water flow direction of the main channel, the square concrete bracket is arranged on the main channel and comprises a second concrete retaining wall and a third concrete retaining wall which are symmetrically arranged at two sides of the vertical direction of the assembly main shaft and a fourth concrete retaining wall arranged at the water diversion port, water inlets are symmetrically formed in the second concrete retaining wall and the third concrete retaining wall which are perpendicular to the direction of the assembly main shaft, and a water outlet is formed in the bottom of the fourth concrete retaining wall at the water diversion port; when the roller support is installed perpendicular to the water flow direction of the main channel, the square concrete support is arranged on the branch channel and comprises a fifth concrete retaining wall arranged at the water diversion port and a fifth concrete retaining wall arranged on the branch channel in parallel, the roller support is erected between the fourth concrete retaining wall and the fifth concrete retaining wall through the assembling main shaft, a water inlet is formed in the middle upper portion of the fourth concrete retaining wall, and a water outlet is formed in the lower portion of the fifth concrete retaining wall.

The utility model discloses better technical scheme: the water inlet is arranged at the middle upper part of the concrete support, and the water outlet is arranged at the lower part of the concrete support; when the delivery port communicates with the circumferential surface of the roller bracket, a sealing device is arranged at the delivery port, the sealing device comprises a side sealing plate fixed at the delivery port and an L-shaped sealing rubber strip arranged at the circumferential edge of the roller bracket, the side sealing plate is arranged in a groove shape, the L-shaped sealing rubber strip is fixed on a frame of the roller bracket through a pressing plate, a horn mouth is arranged at the inlet and outlet of the side sealing plate in contact with the L-shaped sealing rubber strip, and when the roller bracket rotates to the delivery port, the L-shaped sealing rubber strip at the edge of the roller bracket is in sealing contact with the side sealing plate at the delivery port.

The utility model discloses better technical scheme: the assembling main shaft is a solid stepped shaft, high-strength alloy steel 42CrMo is selected, and self-aligning roller bearings are adopted as bearings at two ends of the main shaft; and each spoke of the hub bracket is fixed between the mounting shaft sleeves of the assembly main shaft and is welded through a metal connecting strip.

The utility model discloses better technical scheme: the driving motors comprise a high-speed and low-speed main motor and a low-speed standby motor, each driving motor is provided with an overrunning clutch, the overrunning clutch of the main motor is combined with the speed reducer to drive the roller to rotate at low speed or high speed in a normal state, the overrunning clutch arranged at the end of the standby motor is disengaged at the moment, and the motors are not linked; when the main motor breaks down and starts the standby motor to work, the overrunning clutch at the end of the standby motor is combined with the speed reducer, and the overrunning clutch at the end of the main motor is disengaged.

The utility model discloses a theory of operation: the utility model discloses by double speed motor drive, through freewheel clutch and gear reducer hookup, the output shaft of reduction gear passes through the safety coupling and links to each other with the transmission shaft, and the terminal pinion of transmission shaft and the bull gear meshing of fixing on the rolling bracket drive the rolling bracket and rotate. The roller bracket consists of a rotary cylindrical frame structure, the outer surface of the cylindrical frame is provided with a filter mesh, when in installation, the roller bracket can be directly installed or installed in a matching way with a concrete bracket, and sealing devices are installed on the two sides of the width of the inner surface of the cylindrical framework to separate unfiltered water from a filtered water chamber; water flow enters from the two axial sides of the roller support, flows out through the circumferential mesh surface after being filtered by the mesh, and is larger than the diameter of meshes in dirt interception by the mesh, and is accumulated on the mesh along with the rotation of the roller, and is washed inwards by pressure washing water arranged outside the mesh, so that the dirt attached to the mesh and carried on the dirt carrying bucket is discharged into a dirt collecting groove arranged on the inner side of the dirt cleaning machine, and the dirt is discharged to a designated place for cleaning by utilizing the washing water flow, thereby achieving the purpose of filtering water quality.

The utility model discloses a whole weights of all parts of installation above the drum support bear the hydrostatic pressure that produces by the inside and outside water head of cylinder and bear the resistance that the drum support received when the aquatic moves, and the atress condition is complicated under the dynamic water state. The working environment is influenced by the change of the water level, sometimes above the water level, sometimes immersed in water in an alternate immersion state and is easy to corrode. The main shaft is mainly subjected to bending stress, a solid stepped shaft is adopted, high-strength alloy steel 42CrMo is selected, the steel has high strength and hardenability, higher fatigue strength and good shock resistance are achieved after quenching and tempering, and in order to enable a hub and a spoke to have a better joint surface, the contact surface of the hub and the spoke is designed into a multi-pyramid surface, and the joint surface of the hub and the spoke is a plane, so that the stability of a drum framework is ensured. The bearings at two ends of the main shaft adopt self-aligning roller bearings, bear a small amount of axial load generated by axial runout of the roller while bearing radial load mainly, the main shaft is allowed to have a certain inclination to the outer ring of the bearing during installation, and a bearing seat cushion plate is additionally arranged below the bearing seat, so that the main shaft system is relatively easy to install and align. The lubricating of the bearing adopts lubricating oil for lubrication, the sealing mode at the bearing seat adopts packing gland sealing, a stainless steel shaft sleeve is arranged on the main shaft at the contact position with the packing, the position is ensured not to be corroded easily, and the service life of the main shaft can be ensured only by replacing the shaft sleeve after the stainless steel shaft sleeve is worn; the oil tank is arranged at a high position, oil is injected into the bearing seat through a pipeline, and the oil pressure in the bearing seat is always greater than the water pressure outside the bearing seat through liquid level control. When the consumption of oil in the oil tank is increased compared with the past day, the gland of the packing can be adjusted or the packing can be replaced, the gap is adjusted to be proper, and the leakage of lubricating oil is reduced to an allowable range.

The system of the utility model is provided with a main motor (high/low speed) and a standby motor (low speed), the main motor works under normal condition, an overrunning clutch arranged at the end of the main motor is combined with a reducer to drive the roller to rotate at low speed or high speed; when the main motor fails and cannot work, the standby motor is instructed to start to work, the overrunning clutch arranged at the end of the standby motor is combined with the speed reducer, the overrunning clutch at the end of the main motor is disengaged, and the sewage cleaning machine continues to operate. The speed reducer is provided with a low oil level alarm device which can send out an alarm signal when the oil level is lower than a required value; the safety pin is arranged on the coupler at the output end of the speed reducer, and when the roller is overloaded, the safety pin is sheared to protect the filter screen to safely operate and send out an alarm signal.

The utility model discloses rubbish washing unit can be with the rubbish on the net piece towards the dirty inslot of collection to get rid of through the dirty groove of collection, the filth is in the blowdown groove of going into under the dual function that gravity and pressure water washed, through civil engineering escape canal water conservancy diversion again, is arranged appointed collection dirty place and clears up. The utility model discloses still be equipped with and support and overhaul the platform, this platform is for spaning the steel frame construction on the cylinder for support wash pipe, and can be used to clear up the washing pipe of jam and the clearance and the change of nozzle, still can clear up the calcium-based fat of ageing on the big ring gear simultaneously, and paint new calcium-based fat and maintain.

The utility model discloses whole simple to operate, nimble, both can install on the main canal, also can install in main canal delivery port department, can an exclusive use, also can a plurality of uses, and can trash and clear dirt fast, can not lead to the jam of trash rack too many because of the filth to can solve the waterhead loss that sets up too much trash and clear dirt device and cause and the increase of input, can guarantee the quality of water of channel again.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the present invention without mesh installed;

FIG. 3 is a schematic view of the structure of the roller bracket of the present invention;

fig. 4 is a schematic structural view of the rotary driving device of the roller frame of the present invention;

fig. 5 and 6 are schematic structural views of the garbage flushing device of the present invention;

fig. 7 and 8 are schematic views of the installation of the combined concrete bracket of the invention;

FIG. 9 is an enlarged view of portion A of FIG. 8;

FIG. 10 is a schematic plan view of the new installation of the present utility on the main channel;

FIG. 11 is a schematic longitudinal view of a main channel installed with the trash holding and removing device of example 1;

FIG. 12 is a schematic plan view of the trash holding and cleaning device of example 2 installed at the diversion port of the main channel;

fig. 13 is a schematic plan view of the trash holding and cleaning device of example 3 installed at the diversion port of the main channel.

In the figure: 1-roller support, 100-cylindrical frame, 101-hub support, 102-gear ring fixing steel groove, 103-main beam, 104-dirt scraping plate, 2-roller support rotation driving device, 200-driving motor, 201-driving gear, 202-gear ring, 203-transmission shaft, 204-gear reducer, 205-coupler, 206-driving device mounting rack, 3-garbage flushing device, 300-water spray pipe, 301-dirt collecting groove, 302-nozzle, 303-sewage outlet, 304-support rack, 305-water spray pump, 306-dirt collecting groove support rack, 4-assembly main shaft, 400-rolling bearing, 401-bearing seat, 5-reticular filter surface, 6-main channel, 7-square concrete support, 700-dirt cleaning cavity, 701, 702-second and third concrete retaining walls, 704-fourth concrete retaining wall, 705-fifth concrete retaining wall, 8-first concrete retaining wall, 9-water outlet, 10-supporting and overhauling platform, 11-water inlet, 12-channel dividing, 13-sealing device, 1300-side sealing plate, 1301-L-shaped sealing rubber strip and 1302-pressing plate.

Detailed Description

The present invention will be further explained with reference to the drawings and examples. Fig. 1 through 6 are one of the specific embodiments of the present invention, and therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The drum-type trash holding and cleaning device provided by the embodiment specifically comprises a hub-shaped drum support 1, a drum support rotation driving device 2 and a garbage washing device 3 arranged on the drum support 1, wherein an assembly main shaft 4 is arranged at the center of the drum support 1, and the circumferential surface of the drum support 1 is a net-shaped filtering surface 5, as shown in fig. 1 to 6.

As shown in fig. 3, the drum support 1 includes a cylindrical frame 100, a hub support 101 composed of a plurality of a-shaped spokes, and a gear ring fixing steel groove 102 disposed on a central line in the axial direction of the cylindrical frame 100, the cylindrical frame 100 is a cylindrical frame with a plurality of arc hollow portions formed by connecting a plurality of circular frames through a main beam 103, an arc filter mesh is installed at each hollow portion, the plurality of arc filter meshes and the cylindrical frame are combined to form a cylindrical mesh-shaped filter surface 5, and the arc filter meshes are punched. In order to ensure the strength and rigidity of the roller bracket 1, the material is Q345, each component is of a section steel structure, the components are connected by bolts in order to facilitate transportation, and the performance grade of the bolts is 8.8 grade. A-shaped spokes are arranged in 20 groups at intervals of 18 degrees, the spokes adopt 18-channel steel, two ends of the channel steel are respectively welded with a connecting plate with the thickness of 16 mm, one end of the channel steel is provided with a 6-phi 25 hole, and the channel steel is connected with a hub by using an M24 bolt; the other end is provided with an 8-phi 25 hole which is connected with the main beam by an M24 bolt. In order to ensure the rigidity and stability of the roller bracket 1, the spokes are connected with each other by [14 steel channels ] through the nodes in the middle of the spokes. The main beam 103 (parallel to the main shaft) of the roller bracket 1 is made of 400X 200H-shaped steel, two sealing plates with the thickness of 16 mm are welded at two ends of the main beam respectively, a group of holes with the diameter of 8-phi 21 are formed in the sealing plates and are connected with a circular frame through M20 bolts, the circular frame is made of 18 channel steel, and the circular frame connected with the main beam is arranged between every two main beams 103 except the circular frame connected with the main beams perpendicularly. A gear ring fixing steel groove 102 is arranged at the width center of the roller along the outer side of a main beam, the gear ring fixing steel groove is formed by 10 sections of arcs [32b ], each section of arc is connected with the main beam by 8M 20 bolts at three points, a gear ring arranged on the gear ring fixing steel groove 102 is formed by 120 sections and is made of MC single crystal casting nylon, the gear ring is connected with a fixing channel steel by M16 bolts, and a large gear ring is meshed with a small gear to drive a drum framework to rotate; the drum skeleton is provided with a mesh on the cylindrical outer surface, and the mesh is a punched mesh; a dirt scraping plate 104 is mounted on each main beam.

The main assembly shaft 4 of the roller bracket 1 in the embodiment is a solid stepped shaft, high-strength alloy steel 42CrMo is selected, the bearings at the two ends of the main shaft adopt a rolling bearing 400 and a bearing seat 401, the bearings at the two ends of the main shaft adopt self-aligning roller bearings, and bear a small amount of axial load generated by axial runout of a roller while bearing radial load, the main shaft is allowed to have a certain inclination to an outer ring of the bearing during installation, and a bearing seat cushion plate is additionally arranged below the bearing seat, so that the main shaft system is relatively easy to install and align. The corrosion resistance of the main shaft and the hub material is not as good as that of stainless steel, so that the corrosion resistance of the coating is increased, the service life of the coating is prolonged, sacrificial anode protection can be additionally arranged if necessary, the surface area of the roller frame to be protected can be calculated according to the medium temperature and water quality conditions and the equipment protection age, the sacrificial anode and cathode protection combined corrosion prevention is adopted on the basis of coating the anticorrosive coating, and the sacrificial anode block is fixed on the roller frame through bolt connection so as to be convenient for periodic replacement. A hub bracket 101 mounting shaft sleeve is fixedly arranged on the assembling main shaft 4, and each spoke of the hub bracket 101 is fixed between the mounting shaft sleeves of the assembling main shaft 4 and welded through a metal connecting strip. The lubricating of the bearing adopts lubricating oil for lubrication, the sealing mode at the bearing seat adopts packing gland sealing, a stainless steel shaft sleeve is arranged on the main shaft at the contact position with the packing, the position is ensured not to be corroded easily, and the service life of the main shaft can be ensured only by replacing the shaft sleeve after the stainless steel shaft sleeve is worn; the oil tank is arranged at a high position, oil is injected into the bearing seat through a pipeline, and the oil pressure in the bearing seat is always greater than the water pressure outside the bearing seat through liquid level control. When the consumption of oil in the oil tank is increased compared with the past day, the gland of the packing can be adjusted or the packing can be replaced, the gap is adjusted to be proper, and the leakage of lubricating oil is reduced to an allowable range.

As shown in fig. 4, the roller bracket rotation driving device 2 includes a driving motor 200, a driving gear 201, a gear reducer 204, a coupling 205, and a gear ring 202 fixed on the outer surface of the roller bracket 1 in the circumferential direction, the driving motor 200 is a two-speed motor and is coupled to the gear reducer 204 through an overrunning clutch, the output end of the gear reducer 204 is connected to a transmission shaft 203 through the coupling 205, the driving gear 201 is installed at the end of the transmission shaft 203 of the driving motor 200 and is engaged with the gear ring 202, and the driving gear 201 is controlled by the driving motor 200 to drive the roller bracket 1 to rotate along the assembly spindle 4. The driving motor 200 comprises a high-speed and low-speed main motor and a low-speed standby motor, each driving motor is provided with an overrunning clutch, the overrunning clutch of the main motor is combined with the speed reducer 204 to drive the roller to rotate at low speed or high speed in a normal state, the overrunning clutch arranged at the end of the standby motor is disengaged at the moment, and the motors are not linked; when the main motor fails to start the standby motor to work, the overrunning clutch at the standby motor end is combined with the speed reducer 204, and the overrunning clutch at the main motor end is disengaged. A low oil level alarm is provided on the gear reducer 204 to signal when the oil level is below a desired value. The coupler at the output end of the speed reducer is provided with a safety pin which is used as a roller.

As shown in fig. 5 and 6, the garbage flushing device 3 includes a water spraying pipe 300 erected above the roller bracket 1 and a sewage collecting tank 301 arranged below the water spraying pipe 300, a plurality of nozzles 302 are distributed on the water spraying pipe 300, the water spraying pipe 300 is arranged outside the reticular filtering surface 5 of the roller bracket 1, the sewage collecting tank 301 is arranged inside the reticular filtering surface 5 of the roller bracket 1, the sewage collecting port of the sewage collecting tank faces upward, and a sewage outlet 303 communicated with an external sewage discharging pipeline is arranged at the bottom of the sewage collecting tank 301. Two spray pipes 300 are arranged and erected above the supporting frame 304 side by side, and the two spray pipes 300 are communicated with each other and are provided with a spray pump 305 in a matching way.

The utility model discloses main shaft antifriction bearing's lubrication adopts thin oil lubrication, utilizes the principle of linker, sets up the oil tank on the platform of cylinder both sides, is higher than in the lubricating oil in the main shaft position oil tank through annotating in the oil pipe flows into the bearing frame at main shaft both ends to return to the oil tank through returning oil pipe, bearing frame department is equipped with the fuel outlet valve, regularly discharges waste oil according to the requirement of installation specification. The bearing seat is provided with a liquid level detection device, when the bearing seat is submerged in water, the oil level is required to be higher than the water level by 900 mm (namely, the oil pressure in the bearing seat is ensured to be higher than the water pressure outside the bearing seat), and an alarm signal is sent when the oil level is less than 900 mm; when the water level is lower than the bearing seat, the oil level of the bearing seat is lower than a set limit value, and an alarm signal is sent out. The lubrication of the gear speed reducer is realized by adopting gear oil splash lubrication, the speed reducer is provided with a low oil level alarm device besides an oil pointer, and an alarm signal is sent when the oil level is lower than a set limit value. The bearing seat of the transmission shaft is lubricated by calcium-based lubricating grease which is periodically filled and replaced. The meshing part of the pinion and the large gear ring is lubricated by calcium-based lubricating grease which is regularly smeared and cleaned.

In the embodiment, the dirt blocking and cleaning device can be configured with a square concrete support 7, specifically, as shown in fig. 7 and 8, the square concrete support 7 is a square structure formed by enclosing a concrete retaining wall or a concrete retaining wall and a channel side wall, a cleaning cavity 700 is arranged in the square concrete support 7, the assembly main shaft 4 of the roller support 1 is installed in the cleaning cavity 700 of the square concrete support 7 in parallel with the main channel water flow direction or in the cleaning cavity 700 of the square concrete support 7 in perpendicular to the main channel water flow direction, and the roller support 1 rotates in the cleaning cavity 700 of the square concrete support 7 along the assembly main shaft 4 thereof under the action of the roller support rotation driving device 2; the roller bracket rotation driving device 2 is provided with the top surface of the square concrete bracket 7 through the driving device mounting frame 206, the sewage collecting tank 301 is fixed in the square concrete bracket 7 through the sewage collecting tank supporting frame 306, and the notch of the sewage collecting tank is over against the water spraying port of the water spraying pipe 300; two water inlets 11 are respectively arranged at the positions of the square concrete support 7 corresponding to the two axial side surfaces of the roller support 1, a water outlet 9 is arranged at the bottom of one side of the square concrete support 7 corresponding to the circumferential filter screen surface, and a sealing device 13 is arranged at the water outlet 9. As shown in fig. 8 and 9, the sealing device 13 includes a side sealing plate 1300 fixed at the water outlet 9 and an L-shaped sealing rubber strip 1301 arranged at the circumferential edge of the drum bracket 1, the side sealing plate 1300 is configured in a groove shape, the L-shaped sealing rubber strip 1301 is fixed on the frame of the drum bracket 1 through a pressing plate 1302, a bell mouth is arranged at the inlet and outlet of the side sealing plate 1300 contacting with the L-shaped sealing rubber strip 1301, and when the drum bracket 1 rotates to the water outlet 9, the L-shaped sealing rubber strip 1301 at the edge of the drum bracket sealingly contacts with the side sealing plate 1300 at the water outlet 9.

The drum-type trash blocking and cleaning device in the above embodiment can be independently assembled on the main channel 6 of the water transfer project, and can also be installed at the main channel 6 or the water dividing port of the main channel in cooperation with the square concrete support 7.

The different mounting modes are further explained in the following with reference to the embodiments.

Application example 1: assemble drum-type trash rack device alone to main channel 6 of water transfer engineering, it is shown specifically in fig. 10 and 11, is equipped with first concrete retaining wall 8 at trash rack's low reaches position, assembly main shaft 4 both ends of roller bracket 1 are assembled on the both sides bank of main channel 6 through bearing frame 401 respectively, and its roller bracket 1 rotates along the direction of rivers to the position that corresponds roller bracket 1 in first concrete retaining wall 8 bottom is equipped with delivery port 9. When the trash blocking is carried out, sewage directly enters the roller bracket 1 from two side faces of the roller bracket 1, the roller bracket 1 rotates, the trash is blocked in the roller bracket 1 through the net-shaped filtering surface 5 in the circumferential direction of the roller bracket 1 and the trash scraping plate 104 in the rotating process, when the roller bracket rotates to the trash washing device 3, the trash is flushed into the trash collecting groove 301 and is discharged through the drain outlet 303 at the bottom of the trash collecting groove 301, and the filtered water enters the downstream of the channel from the bottom of the first concrete retaining wall 8.

Application example 2: the roller trash blocking and cleaning device is matched with the square concrete support 7 and installed at a water diversion port of a main channel, an assembly main shaft 4 of the roller support 1 is installed in a mode that the assembly main shaft is parallel to the water flow direction of the main channel, specifically, as shown in fig. 12, the square concrete support 7 is arranged on the main channel 6 and comprises two second concrete retaining walls 701 and 702 which are symmetrically arranged on two sides of the assembly main shaft 4 in the vertical direction and a fourth concrete retaining wall 703 arranged at the water diversion port, water inlets 11 are symmetrically formed in the second concrete retaining wall 701 and the third concrete retaining wall 702 which are perpendicular to the assembly main shaft 4 in the direction, and a water outlet 9 is formed in the bottom of the fourth concrete retaining wall 703 at the water diversion port. At this time, as shown in fig. 8, a decontamination chamber 700 is formed in the square concrete support 7, the roller support 1 rotates in the decontamination chamber 700, water in the main channel 6 enters the decontamination chamber 700 from the water inlets 11 of the second and third concrete walls 701 and 702 and directly enters the roller support 1 through two axial surfaces of the roller support 1, in order to avoid garbage from escaping from the water outlet 9, a sealing device 13 is arranged at the water outlet 9 of the fourth concrete wall 703, a sealing rubber strip is arranged at the edge of the roller support 1, and the roller support 1 rotates to the water outlet 9, and two axial sides of the roller support are sealed with the water outlet 9, filtered water can only be discharged through the mesh-shaped filtering surface 5 of the roller support 1, and the decontamination effect of the installation mode is optimal.

Application example 3: the roller trash-blocking and cleaning device is matched with the square concrete support 7 and installed at a water dividing port of a main channel, a main shaft of the roller support 1 is perpendicular to the water flow direction of the main channel, at the moment, as shown in fig. 13, the square concrete support 7 is arranged on a water dividing channel 12 and comprises a fifth concrete retaining wall 704 arranged at the water dividing port and a fifth concrete retaining wall 705 arranged on the water dividing channel 12 in parallel, the roller support 1 is erected between the fourth concrete retaining wall 703 and the fifth concrete retaining wall 704 through an assembly main shaft 4, a water inlet 11 is formed in the middle upper portion of the fourth concrete retaining wall 703, a water outlet 9 is formed in the lower portion of the fifth concrete retaining wall 704, the fourth concrete retaining wall 703 and the side walls of the five concrete retaining wall 704 and the water dividing channel 12 form a trash cleaning cavity, and the roller support 1 is installed in the trash cleaning cavity. This kind of mounting means, when decontaminating, the water in its main canal 6 gets into the intracavity of decontaminating from fourth concrete retaining wall 703, then after the rotatory decontamination of cylinder device 1, the lower part of five concrete retaining walls 704 of rethread is equipped with delivery port 9 and gets rid of, and this kind of effect of decontaminating is relatively poor.

When the utility model is used again, a water level difference meter can be arranged in front of and behind each roller, and the power control part and the water level difference control part of each roller are integrated into a water level difference control cabinet. The water level difference control device can control the operation of the roller and the flushing water system, has three operation modes of automation, manual operation and remote operation, and is automatically controlled in normal operation. A manual/automatic/remote selection switch is arranged on the control cabinet panel, when the selection switch is switched to a manual gear, the roller on the control cabinet panel is pressed to run at low speed/high speed, and the roller stop button controls the roller to run; when the selection switch is switched to the automatic control mode, the control cabinet controls the roller and the flushing water system to automatically operate according to the water level difference between the front and the back of the roller and the electric control system; when the selection switch is switched to the remote control mode, the control cabinet can receive starting and stopping instructions transmitted by the duty room to control the operation of the roller.

The above description is only for the purpose of illustrating a few embodiments of the present invention, and the description is specific and detailed, but not intended to limit the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a drum-type trash holding and cleaning device which characterized in that: the trash blocking and cleaning device comprises a hub-shaped roller support (1), a roller support rotation driving device (2) and a garbage washing device (3) arranged on the roller support (1), wherein an assembly main shaft (4) is arranged at the center of the roller support (1), and the circumferential surface of the roller support (1) is a net-shaped filtering surface (5); the rotary driving device (2) of the roller bracket comprises a driving motor (200), a driving gear (201) and a gear ring (202) fixed on the outer surface of the roller bracket (1) in the circumferential direction, the driving gear (201) is installed at the tail end of a transmission shaft (203) of the driving motor (200) and is meshed with the gear ring (202), and the driving gear (201) is controlled by the driving motor (200) to drive the roller bracket (1) to rotate along an assembly main shaft (4); garbage washing unit (3) have a plurality of nozzles (302) including erectting at spray pipe (300) of cylinder support (1) top and the dirty groove of collection (301) of arranging spray pipe (300) below in, it has on spray pipe (300), the netted filter surface outside of a section of thick bamboo support is arranged in spray pipe (300), and the netted filter surface (5) inboard of cylinder support (1) is arranged in dirty groove of collection (301), and its collection dirt mouth is up, is equipped with drain (303) with external sewage pipes intercommunication in the bottom of the dirty groove of collection (301).

2. A roller-type trash rack and cleaning device as claimed in claim 1, wherein: the trash blocking and cleaning device is assembled on a main channel (6) of a water distribution project or is assembled at a water diversion port of the main channel of the water distribution project through an assembly main shaft (4).

3. A roller-type trash rack and cleaning device as claimed in claim 1, wherein: the trash blocking and cleaning device further comprises a square concrete support (7) formed by enclosing a concrete retaining wall or the concrete retaining wall and a channel side wall, a trash cleaning cavity (700) is arranged in the square concrete support (7), an assembling main shaft (4) of the roller support (1) is arranged in the trash cleaning cavity (700) of the square concrete support (7) in a direction parallel to a main channel water flow direction or in the trash cleaning cavity (700) of the square concrete support (7) in a direction perpendicular to the main channel water flow direction, and the roller support (1) rotates in the trash cleaning cavity (700) of the square concrete support (7) along the assembling main shaft (4) under the action of the roller support rotation driving device (2); the rotary driving device (2) of the roller bracket is provided with the top surface of the square concrete bracket (7) through a driving device mounting frame (206), the sewage collecting tank (301) is fixed in the square concrete bracket (7) through a sewage collecting tank supporting frame (306), and the notch of the sewage collecting tank is over against the water spraying port of the water spraying pipe (300); a water inlet (11) and a water outlet (9) are arranged on the square concrete support (7), the water inlet (11) is communicated with the axial surface of the roller support (1), and the water outlet (9) is communicated with the circumferential surface of the roller support (1) or communicated with the other axial surface of the roller support (1).

4. A drum-type trash rack and cleaning device as claimed in claim 1 or 2, wherein: the roller support (1) comprises a cylindrical frame (100), a hub support (101) consisting of a plurality of A-shaped spokes and a gear ring fixing steel groove (102) arranged on an axial split line of the cylindrical frame (100), wherein the cylindrical frame (100) is formed by connecting a plurality of circular frames through a main cross beam (103) and is provided with a plurality of arc-shaped hollow parts, each hollow part is provided with an arc-shaped filter net sheet, and a plurality of arc-shaped filter net sheets and the cylindrical frame are combined to form a cylindrical net-shaped filter surface (5); two ends of an assembly main shaft (4) of the roller bracket (1) are respectively provided with a rolling bearing (400) and a bearing seat (401); the hub bracket (101) is characterized in that a plurality of A-shaped spokes are distributed at equal intervals, each A-shaped spoke is composed of two metal spokes, one end of each metal spoke is fixed on each main cross beam (103), and the other end of each metal spoke is fixed on the assembly main shaft (4); the gear ring (202) is fixedly arranged in the gear ring fixing steel groove (102); a dirt scraping plate (104) is attached to each main beam (103) of the cylindrical frame (100).

5. A drum-type trash rack and cleaning device as claimed in claim 1 or 2, wherein: the rotary driving device (2) of the roller bracket further comprises a gear reducer (204) and a coupler (205), the driving motor (200) is a double-speed motor and is connected with the gear reducer (204) through an overrunning clutch, and the output end of the gear reducer (204) is connected with the transmission shaft (203) through the coupler (205); the gear reducer (204) is provided with a low oil level alarm device, and a coupling at the output end of the reducer is provided with a safety pin.

6. A drum-type trash rack and cleaning device as claimed in claim 1 or 2, wherein: the trash blocking and cleaning device also comprises a supporting and overhauling platform (10) which stretches across the upper part of the hub-shaped roller bracket (1) and is used for supporting and overhauling the roller bracket rotary driving device (2) and the garbage washing device (3); the garbage flushing device is characterized in that two water spraying pipes (300) of the garbage flushing device (3) are erected on the supporting and overhauling platform (10) through the supporting frame (304), the two water spraying pipes (300) are erected above the supporting frame (304) side by side, the two water spraying pipes (300) are communicated with each other, and the water spraying pump (305) is arranged in a matched mode.

7. A roller-type trash rack and cleaning device as claimed in claim 2, wherein: when the trash blocking and cleaning device is installed on the main channel (6), a first concrete retaining wall (8) is arranged at the downstream position of the trash blocking and cleaning device, two ends of an assembly main shaft (4) of the roller bracket (1) are assembled on embankments on two sides of the main channel (6) through bearing seats (401) respectively, the roller bracket (1) rotates along the direction of water flow, and a water outlet (9) is formed in the position, corresponding to the roller bracket (1), of the bottom of the first concrete retaining wall (8); when the trash blocking and cleaning device is installed at a water dividing port of a main channel, a square concrete support (7) for installing a roller support is arranged, and an assembling main shaft (4) of the roller support (1) is installed in a direction parallel to the water flow direction of the main channel or in a direction perpendicular to the water flow direction of the main channel; when the roller bracket (1) is installed in parallel to the water flow direction of the main channel, the square concrete bracket (7) is arranged on the main channel (6) and comprises two second and third concrete retaining walls (701 and 702) which are symmetrically arranged at two sides of the assembly main shaft (4) in the vertical direction and a fourth concrete retaining wall (703) arranged at a water distribution port, water inlets (11) are symmetrically formed in the second and third concrete retaining walls (701 and 702) which are perpendicular to the assembly main shaft (4), and a water outlet (9) is formed in the bottom of the fourth concrete retaining wall (703) at the water distribution port; when the roller bracket (1) is installed perpendicular to the water flow direction of the main channel, the square concrete bracket (7) is arranged on the branch channel (12) and comprises a fifth concrete retaining wall (704) arranged at the water diversion port and a fifth concrete retaining wall (705) arranged on the branch channel (12) in parallel, the roller bracket (1) is erected between the fourth concrete retaining wall (703) and the fifth concrete retaining wall (704) through the assembling main shaft (4), a water inlet (11) is formed in the middle upper portion of the fourth concrete retaining wall (703), and a water outlet (9) is formed in the lower portion of the fifth concrete retaining wall (704).

8. A roller-type trash rack and cleaning device as claimed in claim 3, wherein: the water inlet (11) is arranged at the middle upper part of the concrete support (7), and the water outlet (9) is arranged at the lower part of the concrete support (7); when delivery port (9) and the circumferencial face intercommunication of drum support (1), be equipped with sealing device (13) in delivery port (9) department, sealing device (13) are including fixing side seal board (1300) and the L type sealing rubber strip (1301) of setting in drum support (1) circumferential edge reason in delivery port (9) department, side seal board (1300) set up to the flute profile, and L type sealing rubber strip (1301) are fixed on the frame of drum support (1) through clamp plate (1302), and the income exit of side seal board (1300) and L type sealing rubber strip (1301) contact sets up the horn mouth, and when drum support (1) rotated to delivery port (9), L type sealing rubber strip (1301) and the side seal board (1300) of delivery port (9) department at its edge sealed contact.

9. A roller-type trash rack and cleaning device as claimed in claim 4, wherein: the assembling main shaft is a solid stepped shaft, high-strength alloy steel 42CrMo is selected, and self-aligning roller bearings are adopted as bearings at two ends of the main shaft; a hub support (101) mounting shaft sleeve is fixedly arranged on the assembling main shaft (4), and each spoke of the hub support (101) is fixed between the mounting shaft sleeves of the assembling main shaft (4) and welded through a metal connecting strip.

10. A roller-type trash rack and cleaning device as claimed in claim 5, wherein: the driving motor (200) comprises a high-speed and low-speed main motor and a low-speed standby motor, each driving motor is provided with an overrunning clutch, the overrunning clutch of the main motor is combined with the speed reducer (204) to drive the roller to rotate at low speed or high speed in a normal state, the overrunning clutch arranged at the end of the standby motor is disengaged, and the motors are not linked; when the main motor breaks down and starts the standby motor to work, the overrunning clutch at the end of the standby motor is combined with the speed reducer (204), and the overrunning clutch at the end of the main motor is disengaged.

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