26results about How to "Make up the gap" patented technology

The utility model discloses a device for assisting a TBM (Tunnel Boring Machine) slag scraping hopper in carrying slag and discharging slag, which comprises a main belt conveyor (1) and a cutterhead (2), a slag receiving hopper (3) is arranged at one end of the main belt conveyor (1), slag slipping devices are arranged on the back of the cutterhead (2) in pairs, a slag discharging groove (4) is arranged on the outer edge of the cutterhead (2), and the slag discharging groove (4) is matched with the upper ends of the slag slipping devices. The slag receiving hopper (3) is located on the back face of the cutter head (2) and matched with the lower end of the slag sliding device, and a slag carrying and discharging mechanism is obliquely arranged on the end face of one end of the lower end of the slag sliding device. The device has the advantages of simple structure, reliability in use, convenience in installation and low cost, and can effectively make up the gap between the slag sliding plate and the slag receiving hopper of the cutter head, so that the slag carrying angle of the slag sliding plate is greatly increased, rock ballast, muddy water and the like are prevented from flowing out of the gap between the slag sliding plate and the slag receiving hopper when the cutter head rotates, and sludge is prevented from flowing repeatedly in the cutter head. And the slag-carrying and slag-discharging capabilities of the cutter head are effectively improved.

The utility model relates to a kind of glue spraying path adjusting device of glue spraying machine, belong to glue spraying technical field.The glue spraying machine includes glue spraying frame and multiple glue spraying components for glue spraying, the glue spraying component includes glue spraying nozzle, including the glue spraying path adjusting mechanism for adjusting the position of the glue spraying nozzle, glue spraying mounting plate is hinged on the glue spraying frame, multiple the glue spraying component is all arranged on the glue spraying mounting plate, under the action of the glue spraying path adjusting mechanism, the glue spraying mounting plate can swing left and right, the glue spraying mounting plate is connected with glue spraying frame by connecting mechanism.The utility model's glue spraying path adjusting mechanism action can drive glue spraying mounting plate swing left and right, multiple glue spraying nozzle position left and right can be adjusted, to realize the adjustment of glue line position and shape, can be moved to the initial adjacent glue line between return glue line or form wavy glue line, so it can make up the gap between initial adjacent glue line, to improve the gluing quality between adjacent board.

The utility model discloses a novel rotary valve with high sealing performance, which belongs to the field of rotary valves, and comprises a valve body, an impeller is rotatably mounted in the valve body, a plurality of annularly distributed blades are fixedly mounted on the surface of the impeller, a shell is fixedly mounted on one side of the valve body, and the shell is fixedly mounted on the other side of the valve body. A driving part used for driving the impeller to rotate is arranged in the shell, sealing air cushions are fixedly connected to the two inner side walls of the valve body, inflation pipes are fixedly connected to the two sides of the valve body, and one ends of the inflation pipes communicate with the sealing air cushions; through the arrangement of the sealing air cushion, the inflation pipe and the one-way inflation valve, when the valve body is used, external inflation equipment can be used for being connected with the one-way inflation valve, the inflation pipe is inflated through the one-way inflation valve, the sealing air cushion is inflated through the inflation pipe, the sealing air cushion is inflated and collides, and the gap between the blade and the valve body can be made up; and the sealing performance of the rotary valve is improved.

This invention discloses a fully automatic soil-cleaning type drilling and piling machine for civil construction, including a drilling and piling machine body. A frame is provided on one side of the drilling and piling machine body, and a through hole is opened in the center of the frame. A spiral rod on the drilling and piling machine body passes through the through hole and is slidably connected to the through hole. A groove is opened at the top of the frame, and an arc-shaped plate is provided on one inner wall of the groove. The arc-shaped plate divides the internal space of the groove into a storage tank and a running tank, with the storage tank located above the running tank. Beneficial effect: Through the design of the movable frame, when several storage areas on the movable frame rotate to the position of the notch, the storage area matches the discharge port. That is, the movable plate at the bottom of the storage area no longer has the support of the arc-shaped plate, and the movable plate rotates and falls, causing the soil accumulated on the movable plate inside the storage area to be poured downwards and discharged into the discharge port.

The utility model belongs to the technical field of clamps, and particularly relates to an engine cylinder cover fixing clamp which comprises a working table, an engine cylinder cover body is arranged at the top of the working table, four sliding grooves are symmetrically formed in the top of the working table, every two sliding grooves form a group, sliding blocks are connected into the sliding grooves in a sliding mode, and the sliding blocks are arranged in the working table. One face of the sliding block is connected with an L-shaped positioning block in a sliding mode, and a plurality of positioning grooves are formed in the top face of the workbench. The engine cylinder cover body to be machined or maintained is placed on the workbench, the sliding block in the sliding groove slides at the moment, the sliding block drives the multi-stage telescopic plate to move when moving, and therefore the effect of closing the sliding groove is achieved, and the situation that impurities fall into the sliding groove and affect normal sliding of the sliding block is reduced.

The utility model relates to the technical field of wheel axles, and provides a tractor wheel axle with an anti-skid structure, which comprises an axle rod, two ends of the axle rod are fixedly connected with fixing rings, one end of each fixing ring is fixedly connected with a wheel seat, the surface of each wheel seat is fixedly connected with a flat key, one end of each wheel seat is fixedly connected with a journal, and the journal is fixedly connected with an anti-skid structure. The fixing grooves are formed in the flat key at equal intervals, reset springs are movably connected to the middle positions of the interiors of the fixing grooves, sliding columns extending to the exterior of the flat key are fixedly connected to the two ends of the reset springs, and anti-skid pieces are fixedly connected to one ends of the sliding columns. When the flat key is inserted into the hub key groove, the anti-skid piece can move relatively, at the moment, the sliding column can move to drive one end of the anti-skid piece to be tightly attached to the inner wall of the key groove through the elastic force of the reset spring, the gap between the flat key and the key groove caused by production errors is made up, and the anti-skid effect of installation and fixation between the wheel seat and the hub is improved.

The utility model relates to a soaking pit furnace which comprises a furnace body and a furnace cover, the lower side surface of the furnace cover is divided into an annular surface, a vertical surface and a central plane; the annular surface is arranged around the lower side edge of the furnace cover and is lower than the central plane; the central plane is positioned in the middle of the lower side of the furnace cover; the vertical surface is connected between the annular surface and the central plane; a sand sealing cutter is vertically arranged on the annular surface, and the lower end of the sand sealing cutter is higher than the central plane; a high-temperature-resistant elastic sealing body is accommodated between the sand sealing cutter and the vertical plane, and the lower surface of the high-temperature-resistant elastic sealing body is higher than the central plane; a sand seal groove is formed in the edge of an opening in the upper side face of the furnace body, and quartz sand is contained in the sand seal groove. The sand sealing cutter is used for being inserted into the quartz sand in the sand sealing groove when the furnace cover is buckled on the furnace body; the high-temperature-resistant elastic sealing body is used for abutting against the upper side face of the furnace body when the furnace cover is buckled on the furnace body. The utility model has the advantages of good sealing effect between the furnace cover and the furnace body, long service life, energy conservation and environmental protection.

The application discloses a high water-absorbing resin SAP-based oil casing thread grease, which is composed of the following components: base oil 20-40%, thickening agent 10-20%, solid lubricant 20-45%, tin-phosphor bronze 5-10%, high polymer water-absorbing resin SAP powder 5-15%, and antioxidant and preservative 1-5%, and the sum of the above mass percentages is 100%. The application further discloses a preparation method of the high water-absorbing resin SAP-based oil casing thread grease. The application further discloses application of the high water-absorbing resin SAP-based oil casing thread grease in oil and natural gas drilling oil pipes and casings. The high water-absorbing resin SAP-based oil casing thread grease, the preparation method and the application thereof disclosed by the application solve the problem that the existing thread grease has limited friction resistance and pressure resistance, and the contained grease volatilizes at high temperature to form a leakage channel, thereby resulting in poor sealing performance.

This utility model provides a dust suppression mechanism for a crushing workshop, comprising U-shaped plates on the left and right sides. Each U-shaped plate has a mounting plate at its top, and multiple rotating shafts are rotatably mounted on the inner ends of each mounting plate. Water spray pipes are positioned between corresponding rotating shafts on the inner ends of the two mounting plates. Connecting flanges are mounted on the tops of the multiple water spray pipes, and multiple water spray heads are mounted on the bottoms of the multiple water spray pipes. This dust suppression mechanism for a crushing workshop not only meets the basic requirement of dust suppression during crushing and settling, but also allows the water spray heads to swing via a swing mechanism, preventing dust from overflowing between adjacent water spray pipes, reducing the cost of using the device, and meeting user needs.

The utility model relates to the technical field of desilting devices, and provides a desilting device for hydraulic engineering management, which comprises a reservoir and a moving mechanism arranged at the top of the reservoir, and the inner bottom of the reservoir is provided with a desilting component used for cleaning sludge under the synchronous driving of the moving mechanism. The desilting assembly is designed, sludge deposited at the bottom can be cleaned through movement of the sludge shoveling plate at the bottom of the reservoir, more areas can be covered, it is ensured that the sludge is fully cleaned, the area which cannot be covered is reduced, meanwhile, the adjusting assembly is matched, the position control rod can be rotated through torsion of the torsion spring, and therefore the position of the sludge shoveling plate is adjusted; the mud shoveling plate is continuously attached to the bottom of the reservoir, gaps caused by the fact that the bottom of the mud shoveling plate is thinned are made up, a good contact state is kept, and the dredging effect is ensured. According to the utility model, the crushing assembly is designed, so that sludge and water can be mixed more fully, blocks are crushed, the fluidity of the sludge is improved, and the efficiency and the thoroughness of dredging are improved.

This invention discloses a chain-driven trailer assembly and a trailer system incorporating the assembly. The invention relates to the technical field of chain-driven trailer assemblies, comprising: a motor and a sprocket idler assembly, with a transmission sprocket disposed between the motor and the sprocket idler assembly. A trailer assembly for towing vehicles is mounted on the transmission sprocket, and a rail is provided on the ground for the trailer assembly to move. The advantages of chain drive in this invention are that it only requires a single motor for driving, has relatively high transmission accuracy, and the design of the load-bearing wheel and rail is simple. In this invention, the setting of a moving stop ensures that the teeth of the driving gear can still mesh with the meshing groove even when there is a certain degree of misalignment. Furthermore, after the teeth of the driving gear mesh with the meshing groove, the gap between the teeth of the driving gear and the inner wall of the meshing groove can be automatically filled, ensuring a relatively compact meshing structure that is not easily disengaged.

The utility model discloses a new energy automobile daily standard charging socket. The new energy automobile daily standard charging socket comprises a panel module, a terminal module and a tail cover module. A power plugging end and a plurality of signal plugging ends which are axially arranged on the front end surface of the front mounting seat are accommodated at the rear end of a plugging shaft hole in the middle of a flange seat of the panel module; a power terminal front-end shaft sleeve of the terminal module is connected with a power plugging end, a plurality of signal terminal front-end shaft sleeves are connected with a signal plugging end, and the rear ends of the signal terminals are connected with a PCB. And the first threaded piece sequentially passes through the second through hole of the rear mounting seat of the tail cover module, the first through hole of the front mounting seat of the terminal module and the first threaded hole of the flange seat of the panel module to be detachably assembled with the charging socket. According to the utility model, modularized respective assembly is realized, various requirements of customers are met by quickly replacing parts according to the choices of the customers, the production efficiency is improved, and the effects of later maintenance and after-sale are facilitated.

The utility model relates to the technical field of pump stations, and discloses an intelligent pump station for agricultural irrigation. The power supply assembly comprises a photovoltaic panel which is fixedly mounted at the top of the pump station room and is used for generating power; the cleaning assembly is arranged at the top of the pump station room and used for cleaning and dedusting the photovoltaic panel, the cleaning assembly comprises a cross rod used for scraping the photovoltaic panel, and the cross rod is movably arranged above the photovoltaic panel; the contact rod is elastically connected with the cross rod and abuts against the photovoltaic panel, the contact rod is driven to synchronously move through reciprocating motion of the cross rod, then the rubber contact rod can abut against the photovoltaic panel and scrape and clean the photovoltaic panel, dust on the irradiation face of the photovoltaic panel is reduced, and the light conversion rate is guaranteed; water is sprayed to the photovoltaic panel in the sliding process of the contact rod, dry grinding of the photovoltaic panel is avoided, it is guaranteed that the irradiation face of the photovoltaic panel is clean and free of foreign matter blocking light, and manual maintenance work and inconvenience brought by manual maintenance work are reduced.

The invention relates to the technical field of silica sol pouring, and discloses a silica sol casting mold with an inclined pouring structure, the silica sol casting mold comprises a pouring head body and a mold part, the mold part comprises a base, a rack is detachably mounted at the top of the base, and a mold assembly capable of being used for injection molding of external silica sol is arranged in a space defined by the rack, the top of the base is fixedly connected with a driving platform used for adjusting the inclination angle of the mold assembly, the mold assembly comprises a fixed mold and a movable mold, and the base is rotationally connected with the bottom of the fixed mold through a rotating seat arranged at the top of the base. The silica sol casting mold with the inclined pouring structure can effectively solve the problems that in the prior art, when the mold is inclined, due to the action of gravity, the upper half portion of the mold possibly slides downwards, the lower half portion of the mold possibly keeps stable, gaps are generated between the molds due to uneven movement, the mold closing precision is affected, and the mold opening precision is affected. And liquid leakage occurs in the pouring process, and the pouring quality is reduced.

The present invention discloses a type II L-asparaginase and its application, and relates to the field of genetic engineering technology. The amino acid sequence of the enzyme is shown in SEQ ID NO.4, and the nucleotide sequence of the gene encoding the enzyme is shown in SEQ ID NO.3. The type II L-asparaginase provided by the present invention has an optimum temperature of 45°C, an optimum pH of 8.0, and has a high specific activity of 598.907U / mg, a half-life of 102h in animal serum at 37°C, and a T of 1.57kcal / cm3 in trypsin. 1 / 2 =33min, the enzyme has no glutaminase activity. The enzyme can induce apoptosis of human liver cancer cell line QGY-7703 and human malignant melanoma cell line A-375, IC 50 The concentrations of 5.7 and 6.5 U / mL respectively, and it will not cause hemolysis. The enzyme has potential application value in the pharmaceutical industry.

The utility model relates to the technical field of heat exchange, and discloses a frostless air source heat pump device capable of recycling waste heat. An evaporator; the cleaning assembly is arranged in the main body cavity and used for cleaning the main body, the cleaning assembly comprises a sliding part, a scraping part and a mounting groove, the sliding part is movably connected with the main body and can slide along the evaporator, the mounting groove is formed in the wall face of the sliding part, and the scraping part is located in the mounting groove and elastically connected with the sliding part; the scraping part elastically connected with the sliding part is arranged, reciprocating motion of the scraping part is achieved through reciprocating motion of the sliding part, the scraping part can be attached to the fins of the evaporator all the time and scrape and clean the fin parts, gaps generated by abrasion of the scraping part can be made up through the elastic connection mode, and the cleaning effect is more stable; frost on the fins can be cleaned in time, the increase of the frosting thickness is inhibited, and frosting can also be inhibited.

The utility model discloses a transition device of a package loading platform, which is characterized by comprising transition blocks arranged between a cross belt and conveying belts of the package loading platform, the transition blocks are positioned at the tail ends of the conveying belts, one side of each transition block close to the cross belt is provided with an inclined surface, and the lower part of one side of each transition block close to the conveying belt is provided with a concave arc surface. According to the utility model, the gap between the loading platform and the cross belt can be filled up, so that objects can be stably conveyed to the cross belt from the loading platform.

The invention relates to a preparation method of a YAG (yttrium aluminum garnet) derived glass optical fiber based on multilayer composite structure transparent ceramic, which comprises the following steps of: placing the multilayer composite structure YAG transparent ceramic serving as a core rod in a quartz glass tube serving as a cladding to form an optical fiber preform, and drawing the optical fiber preform into the YAG derived glass optical fiber by adopting a melt-In-Tube (MIT) method; the multi-layer composite structure YAG transparent ceramic is used as the core rod, the matching effect of the fiber core and the cladding is excellent in the high-temperature wire drawing process, and the YAG derived glass optical fiber which is high in roundness and concentricity, has good flexibility and thermodynamic stability and can be applied to an optical fiber laser can be drawn; and the method has the advantages of efficiency, stability, operability and the like.

The utility model relates to the technical field of battery cells, in particular to a battery cell tab forming tool. The limiting unit is arranged on the supporting table and is configured to fix a battery cell to be processed and expose a tab on one side of the battery cell; the bearing piece is arranged on the supporting table, and at least one bending unit is arranged on one side, deviating from the limiting unit, of the bearing piece; the bending unit is configured to be attached to a tab so as to bend the tab into a preset shape; the tab is partially lapped on the bearing piece through the limiting unit, and one end, far away from the battery cell, of the tab exceeds the bearing piece for a certain distance; the first forming unit comprises a first punch located on the side of the bearing piece, and the first punch is configured to move in the first direction so as to press and connect the part, exceeding the bearing piece, of the tab to the side, where the bending unit is located, of the bearing piece; the bending allowance of the battery cell tab is increased, the possible tolerance and clearance during the battery cell assembly can be made up, and the suspension risk after the battery cell is mounted in a shell is reduced.

The utility model relates to a splicable X-shaped concrete reverse ridge template reinforcing device, which belongs to the technical field of reverse ridge template reinforcing, and comprises two brackets, a counter-drawing lead screw, a cushion block and a support cylinder, each bracket comprises a clamping part, a limiting part and a connecting part, the clamping part and the limiting part are vertically arranged, the connecting part is obliquely arranged, and the counter-drawing lead screw is arranged on the support cylinder. The two ends of the connecting parts are fixedly connected with the clamping parts and the limiting parts respectively, the two supports are hinged to each other through the center points of the connecting parts, and the two clamping parts are located on the outer side of the reverse ridge formwork and are parallel to the side face of the reverse ridge formwork. Through the matched design of the clamping part, the limiting part, the connecting part and the counter-pulling lead screw, the clamping part can be clamped on the outer side of a reverse ridge formwork, then the counter-pulling lead screw is installed on the limiting part to limit the limiting part, the reverse ridge formwork can be limited through the clamping part, formwork expansion during concrete pouring is prevented, installation is convenient, and the working efficiency is improved. And in addition, the perpendicularity of the reverse ridge template and the clamping part can be guaranteed, and the forming quality of the reverse ridge is guaranteed.

The application discloses direct reduced iron and a preparation method thereof, and relates to the technical field of metallurgical engineering. The by-product direct reduced iron (DRI) powder obtained through a rotary hearth furnace is directly used for preparing direct reduced iron, and part of iron-containing raw materials is replaced, so that the shortage of raw materials in the production of the rotary hearth furnace is effectively made up, additional purchase of raw materials is not needed, the procurement cost of raw materials is reduced, and the continuity and stability of the production of the rotary hearth furnace are improved. In addition, through reduction roasting of the rotary hearth furnace, deep reduction of iron in the DRI powder is realized, efficient recovery of iron metal in the DRI powder is realized, and valuable zinc elements in the DRI powder can also be recovered. In the application, the DRI powder with a certain particle size range is reused to the rotary hearth furnace, the raw materials are mixed and then formed into balls, a stable particle skeleton is formed, the structure of the dry-mixed material balls is compact after reduction, and the prepared DRI product has a reduced pulverization rate.

The utility model provides an outdoor vacuum circuit breaker, which relates to the technical field of vacuum circuit breakers and comprises a circuit breaker main body, a rotating shaft is arranged on the side surface of the circuit breaker main body in a penetrating manner, fixing seats are fixedly mounted on two sides of the circuit breaker main body, and a bottom sealing plate is arranged at the lower end of the circuit breaker main body. A fixing support is fixedly installed on the inner surface of the circuit breaker body, a fixing screw is arranged on the surface of the bottom sealing plate in a penetrating mode, a sealing ring is arranged on the outer side of the fixing screw in a sleeving mode, a rotating part of the circuit breaker is matched with a flange through a rotating shaft, and nitrile rubber is used as an O-shaped sealing ring on the outer side of the rotating shaft. In addition, a step groove is formed in the surface of the fixing support, so that the sealing ring can be positioned, water vapor can be prevented from entering the circuit breaker shell, the bottom sealing plate is fixed in a mode of fixing screws and threaded holes, and the sealing ring can be prevented from entering the circuit breaker shell. And the water vapor is further prevented from entering the circuit breaker shell.

The application discloses a kind of friction brake wear detection device and its detection method, including upper shell, lower shell, first push disc, second push disc and wear detection mechanism;Upper shell and lower shell are screwed to form a hollow cavity, and driving motor is arranged in the upper shell, and the output end of driving motor is vertically downward;Transmission mechanism is arranged in the upper shell, the input end of transmission mechanism is linked with the output end of driving motor, and second adjusting mechanism and first adjusting mechanism are arranged in the left and right output end linkage below it;First push disc is arranged in the adjusting end of first adjusting mechanism, and second push disc is arranged in the adjusting end of second adjusting mechanism, and then the gap between it and friction plate is synchronously adjusted;Wear detection mechanism is arranged between first push disc and second push disc, and the detection end of wear detection mechanism is linked with first push disc and second push disc, and then the wear degree of friction plate is monitored.The application realizes real-time monitoring of the wear thickness of friction plate, and facilitates intelligent braking force distribution.

The present invention relates to the field of biotechnology, in particular to the field of IPC G01N33, and more specifically to a method for detecting synthetic cannabinoids and a detection kit. The present application independently developed the hapten, complete antigen and antibody of the synthetic cannabinoid Natasha, and used colloidal gold to prepare a synthetic cannabinoid detection kit. The prepared kit is convenient for detection, fast in detection speed, high in sensitivity and specificity, and has a good effect on the general screening of Natasha-type drugs, making up for the gap in the market for the lack of relevant detection kits for drugs such as Natasha. The cannabinoid detection kit prepared by the present application can be used for the general screening of drugs such as Natasha, providing effective technical means for front-line case handlers and having a certain application market.

The utility model relates to the technical field of machine tools, and discloses a double-head vertical machining center which comprises a base table and a sliding table movably installed on the top face of the base table, a milling head is further installed on the top face of the base table, a slag discharging structure for cleaning machining chippings is arranged at the bottom of the sliding table, and the slag discharging structure comprises a bottom plate, a sliding body and a scraping body. The bottom of the sliding table is detachably connected with two bottom plates distributed in a V shape, the bottom of each bottom plate is elastically connected with a plurality of sliding bodies, the bottom of each sliding body is detachably connected with a scraping body, the bottom face of each scraping body forms a comb tooth structure, and the scraping bodies can abut against the base table and squeeze chippings. The sliding bodies at the bottoms of the two bottom plates push the corresponding scraping bodies to abut against the top face of the base table and the lead screws driving the sliding tables to slide, chippings on the top face of the base table are removed, the two bottom plates distributed in the V shape can enable the chippings to be discharged towards the two sides of the base table in the material pushing process, then the chippings can be promoted to be removed from the top face of the base table, and the material pushing efficiency is improved. The device has the functions of cleaning and concentrated discharging.

The utility model belongs to the technical field of unloading platforms, and provides an unloading platform for constructional engineering, which comprises a vehicle body, driving wheels are arranged on two sides of the vehicle body, two cylinders are fixedly mounted at the top end of the vehicle body, the two cylinders are symmetrically arranged, and a loading platform is arranged on one side of the vehicle body; the movable auxiliary plate is arranged on one side of the unloading plate, the auxiliary plate is unfolded during unloading, and one side of the auxiliary plate is erected on one side of the loading platform, so that a worker walks during unloading, a gap between the worker and the loading platform is made up, the worker is prevented from missing steps, and unloading safety is guaranteed; then an electric push rod is started, the electric push rod pushes a toothed plate to move, the toothed plate can drive a gear to rotate in the moving process, and then the gear drives an auxiliary plate to swing till the auxiliary plate is lapped on one side of the loading platform.