140 results about "Watermill" patented technology

The invention discloses a tunnel digging and changing multi-head water drill and splitting rod loading and unloading device and a construction method thereof.The device comprises a splitting rod loading and unloading device body, and the splitting rod loading and unloading device body comprises a mounting frame, a splitting rod loading and unloading actuator, a splitting rod loading and unloading actuator movement driving device and a multifunctional groove; the cleavage rod loading and unloading actuator is driven by the cleavage rod loading and unloading actuator movement driving device to be movably arranged on the multifunctional groove in the first direction; the first support arm is driven by a first power device to rotate, and the second support arm is driven by a second power device mounted on the first gear cylinder to rotate; a first water milling drill actuator is installed on the side, away from the supporting rod, of the first support arm, and a second water milling drill actuator is installed on the side, away from the supporting rod, of the second support arm. According to the invention, the combined operation of drilling and splitting rod loading and unloading is realized, and the construction efficiency is improved.

The invention discloses a telescopic multi-head water milling drilling machine for tunnel construction, and relates to the technical field of tunnel construction, in particular to the telescopic multi-head water milling drilling machine for tunnel construction, which comprises a mounting bracket, fixed supporting plates are mounted on the left side and the right side of the mounting bracket, and a mounting frame is fixedly mounted at the side end part of each fixed supporting plate; the outer surface of the mounting support is sleeved with a connecting clamping plate, a fourth rotating motor is rotatably mounted at the side end of the connecting clamping plate, and a supporting column is slidably mounted at the side end of the fourth rotating motor. According to the telescopic multi-head water milling drilling machine for tunnel construction, a first rotating motor drives a first threaded rotating rod to rotate to be matched with an upper sliding block so as to drive an extension arm and other parts to slide, and then the positions of a second rotating motor and a water milling drilling body are rapidly adjusted, so that the use distance of the device can be rapidly adjusted when the device is used; the device practicability is improved, and the device use efficiency is enhanced.

The invention relates to the technical field of tunnel engineering disease treatment, in particular to a construction method of a drainage system for karst tunnel inverted arch upheaval disease treatment, which comprises the following construction steps: S1, arranging settlement monitoring points in a disease section tunnel, and arranging a reinforcing structure in a lining arch foot area; and S2, the existing disease inverted arch is broken and removed section by section according to the preset length, and temporary supporting is carried out in time. And S3, an overhaul window is dug in the lining through a water mill drill, and a supporting structure is synchronously installed. And S4, a foundation trench is excavated in the bottom of the inverted arch, a concrete strip-shaped foundation is poured to serve as a foundation of the steel corrugated pipe arch culvert, the steel corrugated pipe arch culvert is installed, the axis of the steel corrugated pipe arch culvert is consistent with the karst cave water flow direction, and the steel corrugated pipe arch culvert is in sealed butt joint with the confluence overhaul groove. And S5, a drainage pipe is pre-buried in the inverted arch reconstruction section, the confluence overhaul groove and the central drainage ditch are connected, and finally concrete is poured to seal the inverted arch structure. The method effectively solves the problem of upheaval of the inverted arch caused by water burst of the deeply-buried karst cave, reduces the damage of the lining structure, and improves the long-term stability of the tunnel.

The application relates to the technical field of hydraulic engineering construction, in particular to a water conservancy engineering water intake tunnel construction device and method. The device comprises a support and further comprises a driving motor arranged on the lower side of the support, a water mill drill fixedly installed on the output shaft of the driving motor, and a driving mechanism arranged on the support, wherein the driving mechanism comprises a switching frame which is slidably sleeved on the support in the left-right direction. According to the application, after the water mill drill completes the punching work, the switching frame can move leftwards while the water mill drill moves rearward, thereby saving a large number of steps. According to the design of the clamping plates and the lever, when the front ends of the two clamping plates and the lever are inserted into the gap between the rock column and the hole wall, the rock column can be knocked off by knocking the lever, the rock column can be clamped by the two clamping plates, and the rock column can be taken out by moving the position of the whole device.

The utility model belongs to the technical field of grinding machines, and particularly relates to a water grinding machine which comprises a mounting frame, an upper mounting plate arranged on the mounting frame, a mounting box fixed on the upper mounting plate, a bidirectional motor mounted on the mounting box, a ceramic grinding wheel mounted on the bidirectional motor, a lower mounting plate mounted on the mounting frame, a water tank mounted on the mounting plate and a water pump mounted on the lower mounting plate. The water tank communicates with a first water conveying pipe and is provided with a shunt valve, the water pump communicates with a second water conveying pipe, the mounting box is provided with a water valve, the shunt valve communicates with a shunt pipe, the water valve communicates with a cooling pipe, the cooling pipe is provided with a sprinkler head, and the upper mounting plate is provided with a backflow assembly. By starting the water pump, cooling water in the water tank flows through the first water conveying pipe, the second water conveying pipe, the water distributing pipe and the cooling pipe, so that the cooling water can be sprayed out of the water spraying head, the temperature in the grinding process is effectively reduced, sintering of the ceramic grinding wheel due to friction overheating is prevented, the service life of the ceramic grinding wheel is prolonged, and dust is reduced; and the working environment is optimized.

The invention belongs to the technical field of tunnel excavation, and discloses a hard rock tunnel static excavation rapid construction method which comprises the following steps: S1, setting out a tunnel face design excavation contour line according to a control lead in a tunnel hole, and marking a drilling coring center position; s2, a water milling drill lifting transport vehicle is adopted to transport a water milling drill to the upper step of the tunnel face to be aligned with the drilling and coring center position for drilling and coring one by one; s3, the two splitting rods are arranged in the adjacent holes through a splitting rod mounting tool, then splitting is started, and the adjacent holes are repeatedly and circularly filled from top to bottom along the tunnel face for splitting till splitting of all the holes is completed; s4, the tunnel face is chiseled away through a breaking hammer; and S5, the lower step of the tunnel face is constructed according to the steps S2-S4, and inspection and acceptance are conducted. The method has the advantages that the construction efficiency is high, vibration generated by the whole process is small, the excavation construction speed is greatly increased, the tunnel over-excavation loss rate is reduced, and the cost is saved.

The utility model discloses a kind of water mill drill hole bases suitable for curved surface or inclined plane pier body, it is related to bridge construction technology field, including pier body pasting board, the pier body pasting board is used to be attached in bridge pier body side surface, the pier body pasting board edge portion is equipped with multiple mounting holes;Pasteboard fixing part, the pasteboard fixing part is threaded in the mounting hole, and it is used to fix the pier body pasting board on bridge pier body side surface;And, fixed base, the fixed base is fixed on the pier body pasting board by several connecting pieces, fixed slide groove is opened on the fixed base. When drilling operation is carried out to pier body side surface, it is often necessary to utilize aerial work platform by hand to carry out drilling, time-consuming and laborious;Especially when encountering inclined plane or curved surface pier body operation surface, it is extremely difficult to manually hold water mill drill to drill horizontal hole, and the problem of easy drilling deflection occurs.

The invention relates to the technical field of building equipment, in particular to adjustable water mill drill rig equipment which comprises a drill rig body, a base is arranged at the bottom of the drill rig body, a top cover is arranged at the top of the drill rig body, a mounting seat is arranged on the outer side of the drill rig body, and a ball screw is arranged in the drill rig body. The ball screw comprises a lead screw nut and a lead screw rod, the lead screw rod is driven by a servo motor arranged in the top cover, and the lead screw nut can be controlled to move up and down through rotation of the lead screw rod. According to the water mill pump, the water mill drill can move around the outer side of the drill stand main body through gear transmission, and the operation position of the drilling machine can be further adjusted by adjusting the overall length of the mounting base, so that the operation range of the water mill drill is remarkably enlarged, the machining efficiency and flexibility are improved, and the working efficiency of the water mill pump is remarkably improved in an area needing dense drilling.

The utility model discloses a water mill printing die-cutting machine device for carton processing, which comprises a base and a die-cutting seat, a mounting frame is fixedly mounted on the base, two hydraulic cylinders are fixedly mounted at the top end of the mounting frame, a lifting seat is fixedly mounted at the output ends of the two hydraulic cylinders, a clamping seat is fixedly mounted at the bottom end of the lifting seat, and a clamping groove is formed in the die-cutting seat. The clamping base is inserted into the clamping groove, the front end of the lifting base is rotationally connected with two limiting rods, two limiting grooves are formed in the top end of the die cutting base, the bottom ends of the two limiting rods extend into the corresponding limiting grooves correspondingly, and a driving groove is formed in the rear end of the mounting frame. According to the water mill printing die-cutting machine device for carton processing, a carton can be positioned during die-cutting processing, it is ensured that the placement position of the carton is accurate, the die-cutting quality is further improved, meanwhile, the die-cutting base can be rapidly disassembled and assembled, the replacement time is shortened, the processing efficiency is further improved, chippings on the base can be automatically cleaned after die cutting, and the working efficiency is improved. And the use is more convenient.

The utility model discloses a cathode plate polishing treatment device which comprises a front face water mill polishing machine and a back face water mill polishing machine, a plate turning device is arranged between the front face water mill polishing machine and the back face water mill polishing machine, and the front face water mill polishing machine and the back face water mill polishing machine are the same in structure. A conveying belt base, a machine box, a support, a stand column, a tension moving seat, a tension driving roll shaft, a driving roll shaft, a small electric push rod and a bearing seat are arranged in the reverse face water mill polishing machine. According to the negative plate polishing treatment equipment, a negative plate is conveyed to the front face water-milling polishing machine through the conveying belt, the front face of the negative plate is polished and conveyed out through the front face water-milling polishing machine, the negative plate is turned over under the action of the plate turning device, and then the negative plate is conveyed to the back face water-milling polishing machine to be polished and ground on the back face of the negative plate. Automatic negative plate grinding and polishing treatment is achieved, workshop automation is improved, and the labor cost and the hazardous chemical substance burning risk are reduced.

The utility model belongs to the technical field of terrazzo, and discloses a terrazzo with a heat preservation function, which comprises a concrete layer, an anti-crack layer arranged at the top end of the concrete layer, an epoxy subbase layer arranged at the top end of the anti-crack layer, a heat preservation layer arranged at the top end of the epoxy subbase layer, and a mortar layer arranged at the top end of the heat preservation layer. A supporting frame is fixedly arranged in the mortar layer, a water milling layer is arranged at the top end of the mortar layer, a first rubble layer is arranged on the upper portion of the anti-cracking layer, a fiberglass mesh layer is arranged at the bottom end of the first rubble layer, a second rubble layer is arranged at the bottom end of the fiberglass mesh layer, and the particle sizes of stones of the first rubble layer and the second rubble layer are both 4-12 MM. The epoxy subbase layer is made of epoxy resin, a curing agent, a diluent, a solvent, a dispersing agent, a defoaming agent, some filler and the like through mixing processing, and by means of the scheme, the problems that in the using process, terrazzo cannot preserve indoor temperature, heat is prone to being dissipated from a water milling layer, and consequently indoor heat preservation cannot be achieved are solved.

The utility model relates to abrasive wheel equipment technical field especially is related to a water abrasive wheel with sawtooth structure, it includes metal matrix and tool bit. Tool bit sets up annular structure, and tool bit fixedly connected on metal matrix. The side surface of tool bit is provided with the grinding surface. The outer circumferential side of tool bit is provided with a plurality of sawteeth, a plurality of sawteeth are sequentially spaced along the circumferential direction of tool bit, and the thickness of a plurality of sawteeth is same with the thickness of tool bit. In the grinding process, the sawtooth first contacts the porcelain tile and polishes, and the gap between two adjacent sawteeth is equivalent to a cutting edge, and tool bit rotates a circle, which is equivalent to multiple feed grinding, greatly increases the grinding sharpness of product, thereby can improve the processing efficiency and grinding quality of porcelain tile.

The invention provides a support type pneumatic water mill drilling machine for a coal mine, and relates to the technical field of coal mine drilling machines, the support type pneumatic water mill drilling machine comprises a pneumatic motor, a transmission part is arranged at one end of the pneumatic motor, a water mill drill bit is arranged at one end, away from the pneumatic motor, of the transmission part, and a base is arranged at the bottom of the pneumatic motor. Compressed air is used as a power source, a pneumatic motor is used as driving equipment, potential safety hazards caused by underground electricity utilization are avoided, the safety of the operation process is improved, the single working platform is designed to be combined with a foldable and detachable structure, the single working platform is lighter and easier to disassemble and assemble, and therefore the labor intensity is reduced, and the operation efficiency is improved; the support type pneumatic water milling drilling machine for the coal mine is compact in structure, easy and convenient to operate, capable of adapting to various complex underground environments, and particularly excellent in performance during horizontal drilling construction, and the support type pneumatic water milling drilling machine for the coal mine can achieve drilling construction of any hole diameter within the diameter range from 28 mm to 500 mm.

The invention relates to the technical field of tunnel construction, in particular to a method for excavating a tunnel crossing a debris flow accumulation body, which comprises the following steps of: S1, constructing and correcting according to curtain grouting operation parameters and a tunnel face form to form a three-dimensional geologic model; the curtain grouting operation parameters comprise the cement and sand bursting content, the hole collapse position, the drill jamming position, the drilling rate change area and the slurry mixing range; s2, an excavation mode is selected according to the three-dimensional geologic model, and the advancing distance of single excavation is determined, wherein the excavation mode comprises a water milling and drilling combined splitting method, a micro-seismic control blasting method and a mechanical excavation method; and S3, the three-dimensional geologic model is corrected for the second time according to the subsequently formed tunnel face form after single excavation, and the steps S2 to S3 are repeated based on the three-dimensional geologic model obtained after second correction till tunnel excavation is completed. According to the method, on the premise that it is ensured that the continuously-corrected three-dimensional geological model has enough precision, the footage distance of single-time excavation advancing is determined to the maximum degree, and then the excavation progress and efficiency are improved.

The invention relates to the technical field of polytetrafluoroethylene waste material processing, and in particular to a polytetrafluoroethylene waste material recycling and reuse device and a use method thereof, comprising a waste material water mill and a discharge port, wherein one side of the waste material water mill is provided with the discharge port, a collecting bin is installed on one side of the lower end of the discharge port, a positioning block is welded and fixed on the middle upper end of the collecting bin, a rotating shaft is rotatably connected to the inner side of the positioning block, one end of the rotating shaft is fixedly connected to the main shaft of a stepping motor, and a cleaning mechanism is fixedly connected to the outer side of the rotating shaft; the cleaning mechanism comprises a fixed shell, a sieve plate is connected to the inner side of one end of the fixed shell through a control mechanism, an air supply mechanism is installed on the inner side of the other end of the fixed shell, and receiving holes are opened on both sides of the sieve plate; in the invention, based on the modification of the original collecting box, the rotation of the cleaning mechanism can remove a large amount of moisture in the powder material coming out of the water mill discharge port and place them separately, without the need for manual input, with high efficiency and relatively low modification cost, and is suitable for small processing plants.

The invention belongs to the technical field of water milling drills, and discloses a prying and clamping mechanism assembly suitable for a drilling rock core of a water milling drill and a regulation and control method. The matching body comprises a prying and clamping cylinder outer barrel, an outer barrel end cover, a prying and clamping cylinder middle barrel, a prying and clamping cylinder middle piston rod, a prying and clamping assembly body, a clamping jaw pin shaft, a pivot point and a clamping jaw opening and closing pin shaft, wherein the pivot point is used for connecting the prying and clamping cylinder middle barrel with a clamping jaw of the prying and clamping assembly body, so that the clamping jaw can rotate around the clamping jaw pin shaft; a middle piston rod of the prying and clamping cylinder is connected with a pivot point of the locking sleeve of the prying and clamping assembly body, the piston rod axially moves to drive the clamping jaw opening and closing pin shaft to move in the direction of a key groove in one side of the middle cylinder, the locking sleeve is driven to move, and opening and closing of the clamping jaw are directly controlled. An existing hydraulic system of the water milling drilling machine is directly used for supplying energy, and an extra power source is not needed. Equipment transportation in plateau areas is difficult, the mechanism can meet the multi-caliber sampling requirement only by carrying a light-weight clamping jaw assembly replacement bag, the cost of spare parts is reduced, and the modular structural design, compatibility and maintainability are excellent.

The rotary flexible water mill comprises a base, a surface cover and a nut, and a water inlet pipe which is obliquely arranged relative to the axis of the base is arranged in the base; the surface cover is arranged at the top of the base, a blade plate is arranged in the surface cover, and a decorative sheet is arranged at the top of the surface cover; the nut is arranged outside the base, and a lamp sleeve used for fixing a lamp is arranged on the periphery of the nut. Wherein water flowing out of the water inlet pipe impacts the blade plate to drive the surface cover to rotate, and light emitted by the lamp sequentially penetrates through the nut, the base and the surface cover to irradiate the decorative sheet. The surface cover is driven by water flowing out of the water inlet pipe to rotate, meanwhile, light emitted by the lamp is irradiated on the decoration piece rotating along with the surface cover, the flexible light and shadow effect can be generated, and the use experience of a user can be improved.

The invention belongs to the field of building engineering construction machinery, and discloses a hard rock geology small-diameter pile foundation water milling drilling hole digging construction device and method. The device comprises an out-hole operation console, a rotary lifting system, a supporting system, a water drill, a support and an in-hole monitoring system. Centralized control is achieved through an out-hole operation console, automatic leveling and centering are achieved through an independently-adjusted electric push rod in a supporting system, a rotary lifting system with power switched by a gear shifting mechanism is adopted to drive a drill bit to conduct lifting and rotating operation, and data are fed back in real time through an in-hole monitoring system. The construction method comprises the steps of equipment positioning and mounting, constant-pressure drilling, dynamic deviation correction, cyclic operation, layered tunneling, hole repairing and the like. Ground remote automatic operation of small-diameter hard rock hole digging is achieved, the safety risk problem of personnel descending into a well is solved, the drilling efficiency and the hole forming quality are remarkably improved, and the device is particularly suitable for hard rock geology small-diameter pile foundation water mill drill hole digging operation where large mechanical equipment cannot be used.

The utility model discloses a drilling device for foundation concrete lining, which comprises a cross beam, two supporting legs respectively arranged at two ends of the cross beam, and two drilling mechanisms, each drilling mechanism comprises a transverse moving seat and a water milling drilling machine, the transverse moving seat is movably and adjustably arranged on the cross beam, the water milling drilling machine is arranged on the transverse moving seat in a lifting and adjusting manner, and the transverse moving seat is arranged on the cross beam. A water storage container is hung in the middle of the beam, a cooling pipe is arranged on the transverse moving seat, one end of the cooling pipe is connected with the water storage container, and the other end of the cooling pipe is fixed on the water mill drilling machine and aligned with a drill bit of the water mill drilling machine. According to the drilling device for the foundation concrete lining, positioning drilling is facilitated, an original structure is not prone to being damaged, and the construction efficiency is improved.

The utility model belongs to the technical field of curb production, and particularly relates to a grinding device for curb water grinding processing, which comprises a conveying frame, a conveying belt for conveying curbs is arranged on the conveying frame, and a side face grinding mechanism and a top grinding mechanism are arranged on the conveying frame. The side face grinding device is provided with a side face grinding set and a side face cleaning set, the side face grinding set comprises side face grinding cutters distributed in a delta shape, the side face cleaning set comprises side face cleaning brushes distributed in a longitudinal and inclined mode, and the top grinding mechanism comprises a top grinding set and a top cleaning set. The top grinding set and the top cleaning set respectively comprise a top grinding knife and a top cleaning brush which are distributed in the shape like the Chinese character'pin ', the side face grinding mechanism and the top grinding mechanism are arranged to grind the top and the side face of the curb, and the applicability of grinding the curbs of different sizes is high.

The invention discloses a glazed artificial stone kerb and a preparation method thereof, and belongs to the technical field of artificial kerbs. The method comprises the following steps that firstly, concrete stone is prepared, concrete is poured into a kerb grinding tool, and the concrete stone is obtained after curing forming; secondly, water milling is conducted, and water milling polishing is conducted on the concrete stone through a water milling device; 3, drying is conducted, specifically, the concrete stone subjected to water milling is dried; and 4, glazing: glazing the surface of the dried concrete stone, and cooling the surface to obtain the kerb. The kerb is simple in preparation material, convenient and fast in preparation method and low in manufacturing cost, the glaze surface of the kerb is bright in color, smooth in surface, transparent, capable of emitting gloss and free of fading after being blown by wind, exposed to the sun and drenched by rain, and the outer surface of the kerb is bright as new.

A kind of modified device of producing micro-nano water mill calcium carbonate, slurry barrel (1), first diaphragm pump (2), reaction kettle (3), second diaphragm pump (4), flash dryer (5), natural gas furnace (6), classifier (7), pulse cloth bag collector (8), induced draft fan (9), spiral reamer (10), packaging machine (11), motor (12), speed reducer (13), stirring shaft (14), paddle (15), stirrer (16), cloth bag (17) and recycled product bin (18).The device of the utility model adopts wet modification, and the coating is high, and the activation degree is good;With flash dryer drying, the hot air generated by heat exchanger enters the bottom of dryer in tangent direction by inlet pipe, and spirally rises to exchange heat with incoming calcium carbonate slurry, and the drying effect is good;After classification by classifier, modified water mill calcium carbonate powder has good dispersibility and no agglomerated powder.

The utility model relates to the technical field of water mill drilling machines, and discloses a water mill drilling machine drilling positioning device which comprises two supporting plates and two connecting rods, the two ends of a threaded rod are rotationally connected to the two sides, close to a movable block, of the inner wall of a sliding groove respectively, and one end of the threaded rod penetrates through the inner wall of the sliding groove and the side faces of the connecting rods to be fixedly provided with a rotating frame. The supporting box and the ground are in contact supporting through the arranged lifting assembly, the threaded rod drives the movable block connected with the outer surface to move in the sliding groove formed in one side of the inner wall of the fixing frame, the sliding rod is driven to move during moving, and the movable plate is driven to move in the sliding groove. A sliding rod drives a sliding block installed at one end to move on the inner wall of a sliding groove formed in the other side of the fixing frame, at the moment, the sliding rod drives a moving block installed on the outer surface to move, the positioning accuracy is completed through the density degree of threads on the outer surface of a threaded rod, and therefore the working efficiency can be improved.

The utility model discloses a secondary grinding structure for water-milled rice dumpling powder, which belongs to the technical field of rice dumpling processing and comprises a grinding tank, a first grinding part is mounted at the upper end of an inner cavity of the grinding tank, a second grinding part is arranged at the lower end of the first grinding part, and a first filtering part is arranged in the middle of the first grinding part and the second grinding part. A mixing part is arranged at the bottom of the grinding tank, raw materials are put in from a feeding port, then the raw materials are leaked into the first grinding part, the driving shaft drives the raw materials to be rotationally ground, grinding grooves in the first grinding disc and the second grinding disc are rotationally ground, and after being preliminarily ground, the raw materials flow down from one side and then fall into the second grinding part arranged at the lower end; the bearing frame and the grinding head are matched to carry out secondary grinding on the slurry flowing downwards, so that the slurry is finer, the ground slurry is filtered and falls down from a filter sheet of a second material leakage hole, the slurry is filtered after being ground again, two-stage grinding can enable powder to be finer, the taste and the texture of rice dumplings can be improved, and the rice dumplings are finer and smoother.

The invention discloses a tunnel water drill tunneling machine supporting anchor rod supporting and lapping and a tunneling method thereof.The tunnel water drill tunneling machine comprises a drilling mechanism, a supporting and lapping mechanism, a walking mechanism and a manual operation platform, drilling excavation, mesh laying and anchor rod supporting of a tunneling face can be achieved on a single machine body, avoiding replacement of multiple devices in a roadway is not needed, and the tunneling efficiency is improved. The tunneling efficiency can be effectively improved, meanwhile, the supporting net laying mechanism and the walking mechanism can support the two sides, the top face and the ground of a roadway, the operation stability of the tunneling machine is effectively improved, and meanwhile the tunneling reliability of the roadway is ensured.

The utility model provides a supporting device of a water mill drill for sandstone geology deep foundation pit excavation, which comprises two channel steels arranged side by side, a suspension rod is arranged above the channel steels, a cable is folded and suspended on the suspension rod, two second rotating shafts are arranged between the two channel steels, rollers are arranged at the end parts of the second rotating shafts, and the rollers are connected with the suspension rod. The rollers are arranged on the inner side of the channel steel in a rolling fit mode, an axial sliding block is arranged on the two second rotating shafts in a common axial sliding fit mode, a stand column is arranged below the axial sliding block, the upper end of the stand column is in threaded connection with a two-way screw rod, and the upper end of the two-way screw rod is in threaded connection with the axial sliding block. According to the invention, the power utilization safety can be improved and the labor intensity can be reduced.

The utility model relates to the technical field of filter pressing, in particular to an industrial ceramic water mill wastewater filter pressing device which comprises a supporting frame, a water inlet pipe is installed on the supporting frame, a plurality of connecting boxes are arranged on the supporting frame at equal intervals, every two connecting boxes are oppositely arranged, the water inlet pipe is communicated with one connecting box, and the water outlet pipe is communicated with the other connecting box. A moving mechanism is arranged on the supporting frame to connect the connecting box, a through hole is formed in the connecting box, a communicating pipe is connected in the through hole in an abutting mode, a sealing ring is arranged on the communicating pipe, a filter plate is fixedly arranged on the communicating pipe in a communicating mode, and the connecting box is divided into a drainage cavity and a filter chamber through the filter plate. A plurality of springs are fixedly connected between the filter plate and the connecting box, and a collecting mechanism is arranged on the supporting frame. According to the utility model, the residue of the filter cake is avoided and the next filtering is not influenced.

The utility model relates to timber processing equipment technical field, specifically disclose a double screw rod water mill, first abrasive assembly includes first motor and first abrasive, second abrasive assembly includes second motor and second abrasive, push mechanism includes drive arrangement and drive arrangement connected blanking plate and baffle, and the height difference has between blanking plate and baffle, first abrasive assembly is connected with drive arrangement, drive arrangement is connected with frame, drive arrangement drives baffle and blanking plate to carry out the movement action of one before the other, timber is affected downward by gravity, so that water mill greatly increases timber quantity to be processed and reduces timber processing preparation time simultaneously, improves work efficiency, because screw rod control precision is high, reduces the probability of defective product because of improper blanking position, reduces the material jamming phenomenon of old existing water mill pushdown.

The utility model discloses an integrated tunneling and splicing type communication passage construction system, and the integrated tunneling and splicing type communication passage construction system comprises a tunneling device, a pushing device and a material conveying device, the tunneling device comprises a water mill drill, a movable rack and a height adjusting device, the height adjusting device is arranged on the water mill drill, the pushing device comprises a first lifting platform, a second lifting platform, a bracing shield, a pipe piece assembling machine and a muck conveying chute, the bracing shield is arranged between the first lifting platform and the second lifting platform, the pipe piece assembling machine is arranged on the bracing shield and is used for assembling pipe pieces, the bracing shield is used for providing pipe piece assembling reaction force, and the two ends of the muck conveying chute are respectively connected with the first lifting platform and the second lifting platform and are used for conveying muck, the material conveying device comprises a conveying trolley and a matched trolley, and a material crane is arranged on the top of the matched trolley. The integrated tunneling and splicing type communication passage construction system has the advantages of convenient installation in a hole and high construction efficiency.

The utility model relates to the field of water milling drills, in particular to a rock core grabbing tool of a water milling drill. The technical problems that in the using process of a grabbing tool, due to the fact that most rock stratum core samples are generally sharp in shape, the hands of operators are prone to being cut in the manual grabbing process, the operators are hurt, and the grabbing stability is not achieved are solved. According to the technical scheme, the water milling drill rock core grabbing tool comprises a supporting bottom plate and further comprises a fixing assembly, a lifting assembly, a rock drilling assembly and a grabbing assembly. The rock drilling assembly is arranged, automatic rock drilling operation is achieved, finally, through the grabbing assembly, the connecting columns drive the grabbing plates to move inwards or outwards, automatic grabbing operation is conveniently achieved, follow-up analysis and research are provided, elastic pads are installed on the inner sides of the four sets of grabbing plates, grabbing friction force is increased, and the grabbing efficiency is improved. And rock core grabbing is more stable, and the falling phenomenon is avoided.