33results about How to "Reduce spills" patented technology

The invention relates to a crude oil pipeline flow characteristic mining method and system, processing equipment and a storage medium, and the method is characterized in that the method comprises the steps: building a candidate set of a pipeline transportation crude oil flow characteristic representation model of a to-be-tested crude oil pipeline based on a pre-built basic symbol library in combination with a large language model and a symbol regression method; and based on a scoring standard for characterizing the quality of the model, scoring the candidate set of the pipeline transportation crude oil flow characteristic characterization model, and based on a scoring result, optimizing and iterating the structure of the pipeline transportation crude oil flow characteristic characterization model to obtain an optimal pipeline transportation crude oil flow characteristic characterization model of the crude oil pipeline to be tested. According to the method, the flow characteristic model can be rapidly and accurately extracted, the time and cost of experimental data and model construction are greatly reduced, and the method can be widely applied to the field of crude oil pipeline flow characteristic analysis.

The invention is suitable for the technical field of service robots, and provides an intelligent service robot based on the Internet of Things technology, the intelligent service robot comprises a movable base, an n-shaped frame is fixedly mounted on the movable base, two trays are arranged between two vertical plates of the n-shaped frame, buffer assemblies for buffering the trays are arranged between the trays and the n-shaped frame, compression grooves are formed in the trays, and the compression grooves are communicated with the n-shaped frame. A bearing plate is slidably connected into the compression groove, so that a dinner plate can be placed on the bearing plate, an edge protection assembly for blocking dinner bowls is arranged on the tray, a descending assembly is arranged at the bottom of the bearing plate, and a descending buffering assembly for buffering descending of the bearing plate is arranged in the compression groove. According to the service robot, the problem that the dinner plate slides out of the tray and is scattered when the service robot suddenly stops is avoided as much as possible, the safety and stability of the service robot during meal delivery are further guaranteed, meanwhile, the influence of scattering of the dinner plate on surrounding personnel is also avoided as much as possible, and the safety of the service robot is guaranteed.

The invention relates to the field of oil and gas pipeline leakage monitoring and early warning, in particular to an oil and gas pipeline leakage monitoring and early warning method and system and a storage medium. The oil and gas pipeline leakage monitoring and early warning system comprises a data acquisition module, a soil temperature analysis module, a leakage triple progressive analysis module and an early warning processing module; the temperature change of each monitoring branch defense area is analyzed, the early warning processing module acquires the positioning information of the branch defense area according to a received leakage early warning signal and contacts personnel for maintenance, and the leakage triple progressive analysis module compares and calculates according to a set leakage triple progressive effect and judges whether the monitoring branch defense area which triggers, calculates, prejudges and alarms leaks or not. According to the invention, the problem that the temperature change caused by tiny leakage in a short time is insufficient to trigger the pre-judgment alarm is solved, and the progressive sensing and pre-judgment capability of tiny leakage is enhanced.

The utility model discloses a curb backrest concrete pouring device which comprises a pouring chute, a baffle, a lock catch and a rotating assembly. The lock catch is fixedly arranged at one end of the pouring chute, so that one end of the pouring chute is detachably connected to a discharging chute of a concrete truck through the lock catch, the pouring chute is in coaxial butt joint with the discharging chute of a concrete mixer truck, and the other end of the pouring chute extends to the pouring position of the curb backrest; the baffle is rotationally arranged at the other end of the pouring chute through a rotating assembly, and the baffle can be arranged between the other end of the pouring chute and the curb backrest pouring position in a surrounding mode. The utility model relates to the technical field of road construction equipment, and can solve the problems that concrete slurry is easy to scatter and the manual pouring efficiency is low in the concrete pouring equipment in the prior art.

The invention discloses a roller type screening device capable of automatically adjusting a roller gap. The lower ends of the plurality of rocker frames are detachably mounted at the lower parts in the two side walls at equal intervals respectively; the reset pieces are detachably installed at the two ends of the interior of each rocker frame respectively; the driving assembly is connected to the lower portion of each rocker frame, one end of the driving assembly penetrates through the side wall of the end to be connected with a driving chain wheel, and the other end of the driving assembly penetrates through the side wall of the end to be connected with a driven chain wheel; the screening roller is rotationally connected to the upper portion of each rocker frame; the driving chain ring is arranged on the driving chain wheel in a surrounding manner; the driven chain rings are arranged on the screening roller chain wheels and the driven chain wheels in a surrounding mode, wherein the screening roller chain wheels and the driven chain wheels are vertically opposite. The screening rollers are supported by the elastic rockers, the roller gap can be increased within a certain range, when bolts falling from the upstream are larger than the roller gap, the screening rollers are automatically bounced off, the gap is increased, the bolts fall down, then the screening rollers are reset, and the gap returns to the normal value.

The present invention relates to the technical field of brake parts, and in particular to a brake caliper based on integrated driving and IPB parking. Its technical solution includes a fixed caliper body, one end of which is connected to a bolt bidirectional positioning tube by bolts, and the outer surface of the bolt bidirectional positioning tube is fixedly connected to a hollow protective tube for protection through a mounting groove. A part of the pressure transmitted by the brake oil of the present invention is transmitted to the sealing mounting frame by the annular airbag, and the other part of the pressure is transmitted to the piston tube through arc extrusion, so that the piston tube can fully transmit the pressure to the inner brake pad assembly and the outer brake pad assembly, while the sealing mounting frame only slides inside the cavity slide, converting the impact force of the brake oil into the pressure of the internal mechanism of the sealing mounting frame fitting the pipeline, thereby achieving the goal of increasing the brake oil pressure on the piston while protecting the brake oil pipe, so that it remains connected to the caliper and reduces the occurrence of leakage incidents.

The utility model discloses a carrier roller supporting device for conveying a mesh belt, which comprises a hollow supporting column, a fixed plate is fixedly connected below the hollow supporting column, four groups of screw grooves penetrating to the lower part are formed above the fixed plate, fixed screws are arranged above the screw grooves, and a sliding supporting column is connected above the hollow supporting column in a sliding manner; the carrier roller supporting mechanism can adapt to supporting and limiting of carrier rollers of different sizes through the limiting arms and the rotating circular rings, the flexibility of the device is improved, a user can conveniently adjust the height of the carrier roller supporting mechanism through the hand crank and the gear column, the position of the sliding supporting column can be firmly fixed in cooperation with the extrusion screw rod and the clamping hole, and the supporting effect is good. The device is simple and rapid in adjustment, improves the working efficiency, is higher in adaptability, effectively absorbs and relieves the impact on the carrier rollers and the conveying belt when materials fall through the introduction of the supporting springs, reduces the vibration and abrasion of equipment, prolongs the service life of the equipment, and enables the materials to be conveyed more stably.

The application provides a shaking device for shaking a volumetric flask, which comprises a mounting frame, a clamping mechanism, a pressing mechanism and a rotating mechanism. The clamping mechanism comprises a first driving member and a clamping assembly. The first driving member is connected to the mounting frame. The clamping assembly is connected to the output end of the first driving member, so as to clamp or release the volumetric flask through the first driving member. The pressing mechanism comprises a second driving member and a pressing member. The second driving member is connected to the mounting frame. The pressing member is connected to the output end of the second driving member and can press or release the mouth of the volumetric flask when the clamping assembly clamps the volumetric flask. The rotating mechanism comprises a third driving member and a transmission member. The transmission member is respectively connected to the output end of the third driving member and the mounting frame. The third driving member is used to drive the transmission member to drive the mounting frame to rotate. The shaking device can improve the sealing performance of the volumetric flask during the shaking process, so as to reduce the splashing of the solution.

The utility model discloses a centrifugal machine for preparing sodium carboxymethyl cellulose, which comprises a centrifugal machine box body, a box cover is arranged on the centrifugal machine box body, a supporting seat is arranged in the centrifugal machine box body through a centrifugal rotation driving mechanism, and a rotating disc is fixedly arranged on the top side of the supporting seat. A plurality of storage tubes filled with sodium carboxymethyl cellulose are placed and fixed in the corresponding tube grooves, sealing plugs on the bottom sides of a plurality of threaded top covers are respectively inserted into the corresponding storage tubes in a sleeved mode, and the storage tubes filled with sodium carboxymethyl cellulose are fixed in the corresponding tube grooves in a sleeved mode, so that the storage tubes filled with sodium carboxymethyl cellulose are placed in the storage tubes filled with sodium carboxymethyl cellulose, and the storage tubes filled with sodium carboxymethyl cellulose are placed in the storage tubes filled with sodium carboxymethyl cellulose and the storage tubes filled with sodium carboxymethyl cellulose are placed in the storage tubes filled with sodium carboxymethyl cellulose. A plurality of storage pipes filled with sodium carboxymethyl cellulose are sealed, the situation that sodium carboxymethyl cellulose in the storage pipes is spilled out in the subsequent rotating centrifugal process is reduced, centrifugal separation operation on multiple parts of sodium carboxymethyl cellulose is synchronously achieved by opening a centrifugal rotating driving mechanism, and the centrifugal separation efficiency is improved. And the production efficiency of the centrifugal machine box is improved.

This utility model belongs to the field of titration technology, specifically a titration device for producing aluminum hydroxide adjuvant, including a base; a rotating seat is rotatably connected to the top of the base; a placement groove is opened in the middle of the rotating seat; a titration cup is installed in the middle of the placement groove; a support rod is rotatably connected to the middle of the base; the support rod passes through the middle of the rotating seat; a fixing ring is fixedly connected to the middle of the support rod; the fixing ring is fixedly connected to the top of the support rod; an elastic clamping plate is fixedly connected to the middle of the fixing ring; a burette is installed in the middle of the elastic clamping plate; a quantitative component is provided in the middle of the burette; and a stirring component is installed in the middle of the support rod. Through the above structure, the titration cup can be quickly clamped and positioned, the clamping force or range can be adjusted, it is compatible with titration cups of various sizes, and the clamping force can be automatically adjusted according to the outer diameter of the beaker, ensuring a tight fixation even for beakers of different sizes.

This utility model discloses an integrated zipper template, relating to the field of zipper manufacturing technology, including a base plate module, an injection module, a stress dispersion module, and a positioning assembly module. The base plate module is a supporting base plate, and the top surface of the supporting base plate is provided with a matrix-arranged zipper tooth forming cavity group. The zipper tooth forming cavity group includes several evenly distributed single zipper tooth cavities and material distribution cavities. The injection module includes an injection plate located above the supporting base plate, and the injection plate has an injection channel inside that communicates with the zipper tooth forming cavity group. The stress dispersion module is embedded inside the supporting base plate. The positioning assembly module includes multiple positioning holes on the top surface of the supporting base plate and multiple assembly protrusions on the bottom surface of the injection plate. Through the matrix-arranged zipper tooth forming cavity group and the tree-branch-shaped injection channel, the molten material is evenly distributed, reducing material shortages or air bubbles, and improving the shape consistency and mechanical properties of the zipper teeth.

The utility model provides a lime kiln feeding device, which relates to the technical field of lime kiln feeding, and comprises a feeding device main body, a feeding port is arranged on the surface of one side of the feeding device main body, the bottom of the feeding device main body is connected with a rotation adjusting assembly, and the rotation adjusting assembly comprises a base. A supporting block is connected to the center of the top of the base, a plane bearing is connected to the top of the supporting block, and a sliding groove is formed in the surface, close to the supporting block, of the feeding device body. According to the feeding device, when the direction of the feeding device body needs to be adjusted, the motor can be started to drive the gear body to rotate, then the purpose of steering is achieved in a gear meshing connection mode, and the problems that raw materials in other areas are insufficient and the overall production effect is affected due to the fact that the raw materials can only be scattered in a certain area in a kiln in a concentrated mode are solved; and meanwhile, 360-degree rotation of the feeding device body can be achieved, feeding can be conducted on multiple sets of lime kilns, and the hardware cost is reduced.

The utility model discloses a jarring type sieve shaker and belongs to the technical field of sieve shakers. Comprising a base, a vibration table arranged on the base, a screen seat arranged on the vibration table, a multi-layer screen frame arranged on the screen seat, a pressing piece used for pressing the screen frame and a sleeve rod used for installing the pressing piece, and the pressing piece is in sliding sleeve connection with the sleeve rod; a plurality of vertical rods extending upwards are arranged on the vibrating table, a fixing disc is arranged at the upper ends of the vertical rods, and the two ends of the sleeve rod are connected with the screen seat and the fixing disc respectively. The device further comprises an operating rod, a supporting beam, a fixed clamping plate, a movable clamping plate and a fastener. The supporting beam is arranged in the fixing disc, a fixed clamping plate is arranged on the supporting beam, the movable clamping plate is hinged to the fastener, and the fixed clamping plate and the movable clamping plate are each provided with an arc-shaped groove used for wrapping the operating rod; the fixed clamping plate and the movable clamping plate are locked through a fastener so as to clamp the operating rod; the screen frames are convenient to disassemble and assemble, and the connection between the screen frames is more stable and reliable.

This utility model provides a tracked transport and transfer vehicle, belonging to the technical field of mountain transport vehicles. It includes a frame body, a driver's cab at the front, and tracked devices on both sides. A stabilizing mechanism is located at the rear of the frame body, and a hopper is placed on the stabilizing mechanism. A connecting mechanism is located at the hopper's inlet, connected to an electric motor. The motor's output shaft is connected to a mixing unit extending into the hopper. A lifting ring is located at the end of the motor away from its output shaft. A rotating boom is mounted on the frame body, equipped with a hook that cooperates with the lifting ring. This utility model, through its tracked device, can adapt to mountainous terrain, integrating concrete mixing and transportation, simultaneous transfer of components, and precise pouring, reducing material waste and pollution, improving construction efficiency and quality, and lowering costs and environmental impact.

The invention discloses mechanical sealing part drilling machining equipment and a using method thereof. The mechanical sealing part drilling machining equipment comprises an equipment body and a transverse table located above the equipment body, and the right side of the bottom of the transverse table is fixedly connected with the equipment body through a supporting frame; a lifting frame is slidably connected to the supporting frame below the transverse table in a sleeving mode in the vertical direction. The inner diameter of the sealing gasket can be located in an abutting mode through the locating rod, the sealing gasket can be pressed down and fixed through the L-shaped pressing head, the locating rod and the L-shaped pressing head can be located and matched at the same time, and therefore it can be ensured that the sealing gasket is stably located and fixed, and the situation that the drilling precision is affected due to workpiece deviation in subsequent drilling is prevented from occurring; therefore, accurate alignment can be ensured when the sealing gasket is installed subsequently, the sealing effect is ensured, and leakage accidents are reduced. And multiple positions of the sealing gasket can be drilled, the trouble that in the prior art, the drilling position needs to be manually adjusted is avoided, the flexibility in the drilling process is improved, and the application range is widened.

The utility model belongs to the field of water quality sampling, specifically is a kind of swimming pool water quality sampling device, including remote control boat;Remote control boat is opened with recess, the top of recess is fixedly connected with support, the support is rotatably connected with the shaft on it, the shaft is fixedly connected with first support rod on it, the end of first support rod is equipped with the clamp of fixed sampling bottle, the support is fixedly connected with motor, the output of motor and the shaft are all fixedly connected with gear, sampling bottle is driven to specified area by remote control boat, then start motor, motor drives gear to rotate, two gear transmissions make the shaft rotate, the shaft drives first support rod to rotate, first support rod rotation will drive support arm to rotate, sampling bottle is pressed into below water surface by this, to complete the sampling of water quality, rely on above-mentioned structure setting, therefore swimming pool middle part water quality sampling can be conveniently carried out to staff, staff does not need to collect by diving, convenient for staff to sample.

The utility model provides a valve sealing ring which comprises an annular base body, and the center line of the annular base body is configured to be a first datum line. Two valve shaft mounting holes are formed in the annular base body in the radial direction of the annular base body and penetrate through the annular base body, the center lines of the two valve shaft mounting holes coincide, the center line where the valve shaft mounting holes are located is a second datum line, and the second datum line is perpendicular to the first datum line; two wear-resistant parts are arranged on the inner circular surface of the annular base body in a central symmetry manner relative to a second reference line; in any wear-resisting part, the two ends of the wear-resisting part respectively extend to the two valve shaft mounting holes; the central axis, perpendicular to the second datum line, of the annular base body is configured to be a third datum line in the radial direction of the annular base body; and the thickness of at least part of the wear-resistant part is gradually increased from one end to the third datum line. The problem of valve water seepage caused by gradual abrasion of the inner surface of the sealing ring is solved.

The utility model relates to the technical field of liquid pumps, in particular to a low-temperature liquid pump leakproof structure which comprises a lower flange plate, a first through hole is formed in the outer side ring of the outer wall of the lower flange plate in a penetrating mode, a base is welded to the bottom end wall of the lower flange plate, and a pump pipe is arranged on the bottom end wall of the base. A sealing gasket is movably placed at the top end of the lower flange plate, and a second through hole is formed in the outer side ring of the sealing gasket in a penetrating mode. And a third through hole is formed in the outer side ring of the outer wall of the upper flange plate in a penetrating mode, a conveying pipe is arranged on the top end wall of the upper flange plate, a threaded top seat is arranged on the bottom end wall of the upper flange plate, and bolts are inserted into the third through hole, the second through hole and the first through hole in a penetrating mode. A unique sealing structure is adopted to achieve the long-time stable and reliable sealing effect, the device is reasonable in structural design and easy and convenient to install and maintain, the operation cost and maintenance difficulty of a system can be remarkably reduced, the safety and stability of the system can be effectively improved, and leakage accidents are reduced.

The invention discloses a medicine residue treatment system at the rear section of a pharmaceutical workshop. The medicine residue treatment system comprises a pot bottom receiving system, a medicine residue conveying system, an out-workshop feeding system, a cleaning system and a control system which are arranged in the workshop, the pot bottom material receiving system comprises a flushing platform, a plurality of liquid medicine extracting pots are arranged on the two sides of the flushing platform, a pot bottom material receiving hopper is arranged below the liquid medicine extracting pots, a hopper baffle is hinged to the side edge of the pot bottom material receiving hopper, and a bottom conveying belt is arranged below the pot bottom material receiving hopper; the medicine residue conveying system comprises a medicine residue conveying platform connected with the flushing platform, and medicine residue conveying belts inclining upwards are arranged on the two sides of the medicine residue conveying platform. Compared with the prior art, the medicine residue treatment device has the advantages that the medicine residue treatment efficiency is improved, and the labor intensity is reduced; medicine residue scattering is reduced, and the cleanness of the workshop environment is kept; potential safety hazards are avoided, and production safety is guaranteed; the independence of the workshop is kept, and the mutual influence of internal and external environments of the workshop is prevented.

The invention provides a plate spring type drill rod inner wall mud scraping device which comprises a fixing cylinder, a plate spring brake assembly, a control assembly and a righting assembly. A mud scraping assembly is arranged at the lower end of the fixing cylinder. The plate spring brake assembly comprises a plate spring supporting outer barrel, three plate spring extending grooves are formed in the side wall of the plate spring supporting outer barrel, a plate spring piece is arranged in each plate spring extending groove, a transmission screw is rotationally installed in the middle of the plate spring supporting outer barrel, the transmission screw and the plate spring supporting outer barrel are coaxially arranged, the transmission screw is sleeved with a wedge-shaped sliding block in a threaded mode, and the wedge-shaped sliding block is in threaded connection with the plate spring supporting outer barrel. The transmission screw rotates to drive the wedge-shaped sliding block to slide up and down on the transmission screw, the wedge-shaped sliding block drives the plate spring piece to deform, and the lower portion of the plate spring supporting outer barrel is fixedly connected with the top of the fixing barrel in a threaded mode. The mud scraping device can effectively clean mud on the inner wall of the drill rod, through the telescopic design of the plate spring, the mud scraping device can be braked and fixed in the drill rod, the mud scraping speed is controllable, and the mud scraping device can adapt to the change of a drill rod coupling shoulder.

The utility model belongs to the technical field of transplanting pots, and particularly relates to a shrub planting transplanting pot which comprises a base plate. A transplanting disc body is fixed to the chassis, an annular sliding rail is fixedly connected to the outer circumferential face of the transplanting disc body, the annular sliding rail is sleeved with a sliding sleeve, a lifting plate is movably installed on the sliding sleeve, a sliding groove is formed in the lifting plate, a threaded rod is inserted into the sliding groove in a penetrating mode, one end of the threaded rod is fixedly connected to the sliding sleeve, and the other end of the threaded rod is fixedly connected to the lifting plate. A locking cap is rotationally assembled at the other end of the screw rod, an arc-shaped extension plate is fixedly connected to the top end of the lifting plate, and a fixing frame is fixedly connected to the bottom end of the sliding sleeve. In the soil loosening or fertilizing process, the edge part of the transplanting disc body can be expanded, through expansion of the edge part, scattering of soil or fertilizer can be reduced in the soil loosening or fertilizing process, soil in a pot body can be loosened, and therefore the ventilation effect of bottom soil is improved, and growth of plants is facilitated.

This utility model discloses a movable loading mechanism for loading train carriages, including a base, a lifting platform, a material chute structure, lifting devices, and lifting guide columns. The lifting platform is located on the base; a stop column is provided at the upper end of the lifting platform; the material chute structure is angle-adjustably located at the end of the lifting platform; there are two sets of lifting devices, symmetrically arranged on both sides of the lifting platform; each set of lifting devices includes at least two hydraulic lifting cylinders, with the fixed end of each hydraulic lifting cylinder connected to the base and the driving end connected to the lifting platform; the lifting guide columns are arranged opposite each other on both sides of the lifting platform, with the bottom of the lifting guide columns vertically connected to the base; guide frames corresponding to each guide column are provided on both sides of the lifting platform; each guide column is matched to the inner side of the corresponding guide frame and can slide up and down relative to the guide frame. The above mechanism improves the loading efficiency of train carriages, reduces material loss, has a simple structure, is easy to operate, stable and reliable, easy to move, and has wide adaptability.

The invention relates to the technical field of sewage and sludge treatment, and discloses an integrated device based on sewage and sludge separation treatment, which comprises a separator, a suction device arranged on one side of the separator, and a filter cartridge fixedly arranged on the top of the separator, and when the slag gravels above the sealing convex plate reach a set value, the extrusion piece is stripped, so that the upper part of the sealing convex plate is communicated with the slag collecting cylinder. The transmission part receives power to enable the scraper blade to move up and down, the adhesive force between sludge and the surface of the scraper blade can be effectively broken, the treatment efficiency is improved, sludge accumulation on the scraper is reduced, the transmission part is transmitted through the semi-transmission gear, a large amount of sludge cannot be attached to the surface of the scraper blade, and meanwhile the sealing protruding plate is matched, so that the sealing effect is good. And the accumulated slag gravels can be timely and automatically discharged when the accumulation amount is large, so that the adhesion of the sludge on the surface of the scraper blade is effectively reduced, and the overall treatment efficiency is improved.

The invention relates to the technical field of medical oncology chemotherapy, and discloses a medical oncology clinical chemotherapy device which comprises an anti-pollution mechanism, the anti-pollution mechanism further comprises a chemotherapy bed body, a cylinder is arranged on the left side of the chemotherapy bed body, and a fixing block is fixedly connected to the top of the cylinder; a pressing plate moves downwards to drive a first connecting rod to move downwards, a cylinder is limited by a sliding groove, the first connecting rod moves downwards to drive a first sliding rod to force the cylinder to rotate, the cylinder provides rotating power for a gear after rotating, the gear is meshed with a second rack, and the gear rotates to force a rotating ring to rotate. After rotating, the rotating ring drives a plurality of toothed plates to rotate through a plurality of racks I, the top of a movable groove is not blocked any more, at the moment, a patient can vomit towards the interior of the barrel through the movable groove, and the situation that vomitus splashes all around due to the fact that the patient cannot find a proper vomiting position in time is avoided; a patient can quickly find a vomit outlet when feeling nausea, and the comfort level of the patient in the chemotherapy process is improved.

The utility model relates to the field of belt conveyor material guide groove, disclose a corrugated baffle special material guide groove of belt conveyor, including the material guide groove body of cover setting on the corrugated baffle conveyor belt top, the material guide groove body includes the apron and the side plate fixed in apron both sides, the side plate bottom is fixed with sealing element, sealing element extends along the length direction of side plate, and sealing element is arranged in the inside of corrugated baffle conveyor belt and has the gap with it. The utility model has good reliability, reduces equipment loss, greatly reduces material conveying waste, and the beneficial effect that can satisfy the double needs of structure simplification and function reliability of light -weight conveying system.

The invention provides a float type drill rod inner wall mud scraping device which comprises a mud scraping mechanism, a float mechanism and a righting mechanism which are sequentially arranged from top to bottom, and the mud scraping mechanism is connected with the float mechanism through an upper connector, comprises multiple layers of mud scraping pieces and is used for scraping mud on the inner wall of a drill rod; the buoy mechanism comprises a buoy, and a communication assembly is arranged in the buoy and used for determining the position of the device. The righting mechanism is connected with the buoy mechanism through the lower connector and used for preventing the device from inclining in the drill rod. According to the float type drill rod inner wall mud scraping device, the float type design is adopted, the mud scraping device floats on mud, the mud scraping device is placed in a drill rod when the drill rod is fished up, mud scraping treatment is conducted on the inner wall of the drill rod in the drill rod rising process, the situation that the mud on the inner wall of the drill rod is splashed on a drill floor surface is effectively reduced, and the slipping risk of drilling workers is remarkably reduced; the drilling operation efficiency is improved, and the labor intensity is reduced.

The utility model discloses a cement conveying device for a van. The cement conveying device comprises a horizontal conveying belt, an amplitude-adjustable conveying belt, a rack, a movable frame, a fixed air bellow, a movable air bellow and a movable air groove. The horizontal conveying belt is horizontally installed on the movable frame, the amplitude-adjustable conveying belt is arranged at the front end of the horizontal conveying belt, and the amplitude-adjustable conveying belt and the movable air groove are obliquely arranged. An electric hoist is installed on the rack and connected with the movable air groove through a hanging bracket. The upper portion of the movable air groove communicates with a movable air bellow which is movably arranged on the top of the fixed air bellow. Multiple groups of wheels are mounted at the lower end of the movable frame and positioned on the track; a driving motor is arranged on the machine frame and is in transmission connection with a wheel shaft of the set of wheels located at the foremost end of the movable frame, the device achieves one-time truck loading in place, the labor intensity of operators and the loading and unloading cost are reduced, cement scattering is reduced, and pollution to the surrounding environment is reduced.

The present invention relates to the technical field of sewage sludge treatment, and discloses an integrated device based on sewage sludge separation treatment, including a separator, a suction device arranged on one side of the separator, a filter cartridge fixedly arranged on the top of the separator, one end of a transmission member extending to the inside of the filter cartridge and fitting with a stripping extrusion member, and when the slag above the sealing convex plate reaches a set value, the stripping extrusion member allows the top of the sealing convex plate to communicate with the slag collection barrel. The transmission member receives power to move the scraper up and down, which can effectively break the adhesion between the sludge and the scraper surface, not only improving the processing efficiency, but also reducing the accumulation of sludge on the scraper. By using a semi-transmission gear to transmit to the transmission member, a large amount of sludge will not adhere to the scraper surface, and at the same time, in conjunction with the sealing convex plate, the accumulated sludge can be automatically discharged in a timely manner when the accumulation is large, effectively reducing the adhesion of sludge on the scraper surface and improving the overall processing efficiency.

The utility model relates to a liquid chemical reagent preparation device. The liquid chemical reagent preparation device comprises a storage device and a temperature adjusting system, a liquid inlet and outlet device and a stirring mechanism; a liquid collecting groove is formed in one corner of the bottom of the storage device, a stirring mechanism is arranged in the storage device, a temperature adjusting system is arranged outside the storage device to wrap the storage device, a liquid inlet and outlet device is arranged on the storage device to be communicated with the storage device, and a liquid outlet end opening of the liquid inlet and outlet device is formed in the liquid collecting groove; the safety risk in the chemical reagent preparation process can be reduced.

The utility model belongs to the field of tubular lead storage batteries, and particularly relates to a storage battery powder filling machine with a leakage-proof structure, which comprises a powder hopper, a powder filling box, an iron box and a vibrating plate, a hopper is fixedly connected to the inner wall of the powder filling box, a leakage-proof mechanism is arranged at the bottom end of the hopper, the leakage-proof mechanism comprises a cover plate, the cover plate is fixedly connected to the bottom end of the hopper, third magnets are fixedly connected to the front side and the rear side of an iron box, and the two sets of third magnets and the first magnets are attracted. The first magnet is fixedly connected to the bottom end of the first fixing block, the left side and the right side of the iron box attract the second magnet, the second magnet is fixedly connected to the bottom end of the second fixing block, and the top end of the first fixing block and the top end of the second fixing block are each fixedly connected with three sets of fixing columns and baffles. And through the structural design of the leakage-proof mechanism, when lead-containing powder is poured into the iron box, powder spilling from the edge of the iron box is reduced.