51results about How to "Easy maintenance and replacement operations" patented technology

The invention discloses an ultra-large type offshore floating type platform and a butt joint forming method thereof. The floating type platform comprises a plurality of floating body units and connectors between the adjacent floating body units. Each connector comprises a connecting rod and further comprises a ball head base and a clamping assembly which are connected to the two ends of the connecting rod correspondingly. The floating body units are in inserted connection through outward stretching bosses and corresponding inward stretching bosses, and elastic supporting bodies are cushioned in inner cavities of the outward stretching bosses. Each connecting rod comprises a rod body and further comprises a ball head and a hinge lug plate which are arranged at the two ends of the rod body.The connecting rods penetrate through the top faces of the inward stretching bosses and the outward stretching bosses and the elastic supporting bodies, and the clamping assemblies penetrate through the hinge lug plate ends of the rod bodies of the connecting rods in a sleeving manner. The ball head bases sleeve the ball heads. The clamping assemblies are fixed to the top faces of the inward stretching bosses. The ball head bases are fixed to the outer ends of the elastic supporting bodies, and flexible structures are formed by the connectors. A pre-tightening device is further included, comprises a supporting frame and further comprises a connecting rod mechanism and a drive device which are fixed to the supporting frame. The connecting rod mechanism is connected with the hinge lug platesat the end portions of the connecting rods, and an execution component of the drive device is hinged to the connecting rod mechanism.

The invention relates to a novel spring guide wheel device which comprises a guide wheel support, guide wheels, a first guide wheel support, a second guide wheel support and an elastic component. Theguide wheels include a first guide wheel and a second guide wheel and are rotatably arranged on the guide wheel support, the guide wheel support can move, one end of the first guide wheel support is connected with the first guide wheel, one end of the second guide wheel support is connected with the second guide wheel, the other end of the first guide wheel support and the other end of the secondguide wheel support are connected through a connector and then fixed onto the guide wheel support, one end of the elastic component is connected with the first guide wheel support, the other end of the elastic component is connected with the second guide wheel support, and the first guide wheel and the second guide wheel rotatably swing under the action of the elastic component. When a robot walksand crosses an obstacle, a whole rotating frame component can rotate along with rotation, so that the guide wheels flexibly rotate when crossing the obstacle, the robot can freely cross the obstacleaccording to the direction and the height of the obstacle, and overall running stability and passing ability of the robot are ensured.

The invention discloses a solar power generation road traffic light shade shelter capable of providing power for a traffic light and relates to the technical field of solar power supply equipment. Theshade shelter specifically comprises a concrete layer, a fixed bottom seat and a linkage base, a central axis of the concrete layer and a central axis of the fixed bottom seat are overlapped with each other, the concrete layer is internally provided with a gravel layer, and a connecting bolt is arranged in the fixed bottom seat. According to the solar power generation road traffic light shade shelter capable of providing power for the traffic light, a process of manufacturing a foundation column and a main rod is relatively simple, convenience is provided for mass production, a connection mode is convenient and easy to operate, and a balance shape is indirectly formed between a support rod and a horizontal cantilever, so that the shear stress applied to a secondary column is reduced as much as possible, and the pressure bearing capacity of the secondary column is maintained; the inclination angle is changed by using hydraulic retractable rods different in height on the left and rightrides so that a solar panel can receive light for a longer time, and thus the utilization rate of solar energy is increased.

The invention discloses a large-diameter peripheral hydraulic dual-drive automatic sectional rake lifting thickener. The thickener comprises a concentration tank, a driving mechanism, a rotary rake frame, a feeding cylinder, a rotary auxiliary rake fixing bridge frame, a lifting assembly, a side rotary hanging plate and mud scraping rake frames, a central stand column is fixedly mounted in the middle of the interior of the concentration tank, a rotary mechanism is movably mounted on the outer surface of the upper end of the central stand column, the rotary rake frame is movably mounted at theupper parts of the concentration tank and the central stand column, the rotary rake frame is movably connected with the central stand column through the rotary mechanism, and the plurality of groups of mud scraping rake frames are movably mounted on two sides, close to the central stand column, of the lower part of the rotary rake frame. According to the large-diameter peripheral hydraulic dual-drive automatic sectional rake lifting thickener disclosed by the invention, the large-diameter peripheral hydraulic dual-drive automatic sectional rake lifting thickener GZN-100 has a lifting type adjusting structure, so that the flexibility of the thickener in use and the settling area of the thickener are improved, and the particle settling speed and the working efficiency of the thickener are improved.

The invention mainly discloses a stone curtain wall. The stone curtain wall comprises upright columns, crossbeams, stone curtain wall plates and curtain wall connecting joints. Through the curtain wall connecting points, the upright columns and the crossbeams are assembled into a main structure body of the curtain wall, and the stone curtain wall plates are assembled on the curtain wall connecting points to form an integrated stone curtain wall. According to the stone curtain wall, the upright columns and the crossbeams forming keels of the stone curtain wall are bolted on site through fastening pieces to ensure effective connection. In addition, notches of the stone curtain wall plates and pressure plates which are connected with the notches are designed into joints capable of relatively moving, and the stress is reasonable.

The invention discloses an intelligent assembled robot for wooden furniture processing. The robot includes a tank body outer shell, a moving base and a lifting clamp seat. The tank body outer shell isfixedly mounted on the middle position of the outer surface of the upper end of the moving base, the lifting clamp seat is connected with the inner side of the tank body outer shell in a sleeved andmoving mode, a second hydraulic rod is fixedly mounted on the middle position of the front end of the lifting clamp seat, a first clamp arm is mounted on the side, close to the second hydraulic rod, of the front end of the lifting clamp seat in a moving mode, a second clamp arm is arranged on the other side, close to the second hydraulic rod, of the front end of the lifting clamp seat in a movingmode, a butt-joint rotating shaft is connected in the lifting clamp seat fixedly and in a sleeved mode. The intelligent assembled robot for the wooden furniture processing is provided with a lifting auxiliary structure, the stability can be improved during using, meanwhile the intelligent assembled robot for the wooden furniture processing is provided with an expansion adjustment structure, and the application range can be enlarged.

The invention provides a sleep state monitoring ribbon structure for a smart mattress, wherein the monitoring ribbon structure comprises: a mattress body, a plurality of ribbon structures are insertedin the mattress body, and the ribbon structures are provided with a plurality of pressure sensors; a conducting component, which is used for conducting pressure information monitored by the pressuresensor to an intelligent control module; the intelligent control module, which is used for receiving the pressure information conducted by the conducting component, and analyzing the sleep state according to the pressure information. The sleep state monitoring ribbon structure for the smart mattress has the advantages that by inserting the ribbon structures provided with the pressure sensors in the mattress body and monitoring the state on the mattress body, conducting the pressure information to the intelligent control module through the conducting module, and adjusting the mattress body through the intelligent control module to be more suitable for the user, thereby facilitating maintenance and replacement of the pressure sensor, and avoiding the problems of lower flatness and tightnessof the mattress body caused by reassembly and closing of the mattress body after the conventional disassembly of the mattress body.

The invention discloses production equipment for aerated candies containing vitamin C juice. The production equipment comprises a stirring assembly, a columnar shell, a middle rotating rod, a connecting rotating rod and a butt-joint clamping base; the middle rotating rod is movably installed in the middle of the inner side at the upper portion of the columnar shell, the stirring assembly is fixedto the two sides of the middle rotating rod, and is in butt-joint fixation with the middle rotating rod through first connecting rods and second connecting rods, the second connecting rods are fixedlyinstalled above the first connecting rods, the stirring assembly is composed of a rotary stirring plate, a second protection plate, a first protection plate, a middle turntable and a two-shaft chuck,and the second protection plate is fixedly installed at the lower portion of the first protection plate. The production equipment for the aerated candies containing vitamin C juice has a double mixing structure, and the production efficiency of the production equipment is improved; meanwhile, the production equipment has a combined fixation structure, maintenance operation on the equipment is facilitated, and the safety of the equipment is improved.

The invention relates to a polyurethane lining plate and a preparation method thereof, and belongs to the field of wear-resistance protection of equipment. The polyurethane lining plate consists of a prepolymer and a curing agent containing an ether bond at a weight ratio of 100 to (8-12), wherein the prepolymer is prepared from the following raw materials in parts by weight of 100 parts of polyhydric alcohol, 35-50 parts of isocyanate, 5-10 parts of silicon carbide particles, 0.3-0.8 part of an organotin catalyst and 0.04-0.15 part of a coupling agent. With the adoption of the polyurethane lining plate provided by the invention, the structural strength of a polyurethane elastomer is improved and the hydrolysis property of the polyurethane elastomer is reduced; the wear resistance of the product is effectively improved; the softness of the ether bond is improved and the rigidity of the ether bond is realized, so that not only can various physical and mechanical properties of the elastomer be ensured, but also the hydrolysis resistance stability and strength of the polyurethane lining plate are improved, the impact deformation is prevented and the more firm structure is realized; the mounting and dismounting processes are simple and convenient, the processing intensity of an inner liner of the equipment is reduced, and the lining plate is convenient to replace; the shut-down time for maintenance of the equipment is shortened, the investment cost caused by equipment production is reduced, and the production efficiency is improved.

The invention discloses a pair of intelligent roller skating shoes. The pair of intelligent roller skating shoes comprises shoe bodies, roller frames and intelligent modules, wherein each roller framecomprises a connecting frame connected with the corresponding shoe body, and a wheel on the connecting frame; a magnet is arranged on each wheel; each intelligent module comprises a circuit board block and terminal equipment, and the terminal equipment is connected with the circuit board block in a wireless signal transmission way; each circuit board block comprises a power source unit, a magnetic sensor and a wireless transmission unit, and each magnetic sensor and each wireless transmission unit are connected with the corresponding power source unit via circuits; each magnetic sensor is connected with the corresponding wireless transmission unit via a circuit; each circuit board block is arranged on the corresponding connecting frame, and is arranged corresponding to the corresponding wheel; when each wheel is rotated, each magnet corresponds to the corresponding magnetic sensor. The pair of intelligent roller skating shoes has the advantages that the movement data of the roller shaking can be detected, the interesting of roller skating activity is increased, the safety range of the activity can be set, the power consumption is low, the duration time is long, more practicality is realized, the structure is simpler, and the easiness in damage and destroy is avoided.

The invention discloses a hidden intelligent electric ceiling curtain. Thehidden intelligent electric ceiling curtain comprises a shell and a curtain, a winding pipe and a tubular motor are arranged in the shell, the upper end of the curtain is connected to the winding pipe, a balance weight pull rod is fixed to the lower end of the curtain, and an opening allowing the curtain and the balance weight pull rod to stretch out of or retract into an inner cavity of the shell is formed in a bottom plate of the shell. The hidden intelligent electric ceiling curtain is characterized in that a bottom cover is arranged on the balance weight pull rod, an elastic supporting mechanism is arranged between the bottom cover and the balance weight pull rod, the bottom cover is movably hung on the balance weight pull rod through the elastic supporting mechanism, and the elastic supporting mechanism enables the bottom cover to have the trend of moving upwards relative to the balance weight pull rod all the time. When the tubular motor drives the winding pipe to rotate to wind the curtain and synchronously drives the balance weight pull rod and the bottom cover to move upwards together until the curtain and the balance weight pull rod completely retract into the inner cavity of the shell from the opening, the bottom cover can move upwards along with the balance weight pull rod to just cover the opening of the bottom plate of the shell. The hidden intelligent electric ceiling curtain of the invention has the advantage of long service life.

The utility model relates to the technical field of medical instruments, and discloses a physical examination item guiding device which comprises an equipment base and a supporting sleeve fixedly connected to the top end of the equipment base, and supporting annular plates are evenly distributed and fixedly connected to the outer wall face of the supporting sleeve. A rotating sliding sleeve connected with the outer side wall face of the supporting sleeve in a sleeving mode is arranged on the top wall face of each supporting annular plate in an attached mode, a positioning mechanism for fixing the rotating sliding sleeve is arranged above each rotating sliding sleeve, and each positioning mechanism comprises a positioning sliding plate which is in abutting contact with the top wall face of the corresponding rotating sliding sleeve and can be adjusted in height. Each rotating sliding sleeve is provided with a guiding mechanism, and each guiding mechanism comprises a guiding placement frame fixedly installed on the outer side wall face of the corresponding rotating sliding sleeve and a guiding board body arranged in the guiding placement frame. The positioning mechanism and the guiding mechanism are arranged, so that the indicating direction of the guiding mechanism of the equipment can be adjusted by 360 degrees, and the practicability of the equipment is improved.

The invention discloses a large screen automobile navigation entertainment system, comprising a host for carrying out control operation and a display screen group; the host and the display screen group are in pin joint; a positioning block and an arched gear rack are arranged at the left side of the display screen group; an arched face is arranged at the right side of the positioning block; multiple positioning grooves are successively arranged on the arched face from top to bottom; a damping wheel and elastic positioning beads clamped in the positioning grooves are arranged at the right side of the host; the gear of the damping wheel is engaged with the arched gear rack; operations such as viewing or placing a CD / DVD disc, inserting and pulling out a TF card are carried out conveniently through overturning the display screen group to an appropriate angle; the elastic positioning beads match with the positioning grooves on the positioning block; the angles are evenly increased or reduced in the overturning process of the display screen group; the display screen group is prevented from shaking in the driving process by engagement of the gear of the damping wheel and the arched gear rack, therefore, the viewing effect is ensured to be displayed perfectly.

The invention belongs to the technical field of door and window structures, and particularly relates to a window body convenient to push and pull. By arranging the window plate, the sliding groove, the T-shaped sliding rail, the inverted-L-shaped hole channel, the hollow pushing column unit, the sliding clamping plate unit, the connecting rope body and the movable hole plate unit in the window frame, the purpose of conveniently locking the window body when the window body is pushed, pulled and used is achieved. The locking structure has the following advantages that firstly, the locking structure for the window plate is simple and reasonable, the locking strength is enough and appropriate, normal sliding use of the window plate is not affected, and the locking structure is easy and convenient to maintain, replace and operate; locking and unlocking operation of the window plate is simple and convenient, and the window plate has a friction locking normal state and is suitable for an indoor window; thirdly, the locking structure is compact, the requirements for punching and slotting of the window plate are low, and the structural integrity of the window plate is high; the structure of the window frame is not changed, and the structural strength of the window frame is always high; and fifthly, the locking function can be closed, and the locking and closing operation is simple and convenient.

The utility model discloses a luminous fire safety indication sign which comprises a base. Grooves are formed in the left wall and the right wall of the base, telescopic columns which are evenly distributed are arranged in the grooves, an extrusion base is arranged between the telescopic ends of the vertically adjacent telescopic columns, a fire safety indication shell is in contact with the position between the two extrusion bases, and an energy-saving lamp is arranged on the rear wall of the fire safety indication shell. The light-emitting fire safety indication sign further comprises a single-chip microcomputer, the single-chip microcomputer is arranged on the rear wall of the fire safety indication shell, the input end of the single-chip microcomputer is electrically connected with an external power source, the output end of the single-chip microcomputer is electrically connected with the input end of the energy-saving lamp, and evenly-distributed springs are arranged between the grooves and the adjacent extrusion bases. The fire safety indication part is fixed through elastic extrusion, later maintenance and replacement operation is convenient, meanwhile, the device adopts dual power supply, a standby power supply can be adopted when power supply fails, and use is convenient.

The invention discloses an adhesive dispensing sealing mechanism for light emitting diode production. The adhesive dispensing sealing mechanism comprises a fixing base, a sealing protective cover, a telescopic clamping frame and a three-way connection pipe; the telescopic clamping frame is composed of a first rotary ring, a supporting inner rod and a second rotary ring, the first rotary ring and the second rotary ring are both movably installed on the inner side of the telescopic clamping frame and movably connected with the telescopic clamping frame through rotary shafts, and the inner sidesof the bottoms of the first rotary ring and the second rotary ring are both fixedly sleeved with sealing bottom rings; the supporting inner rod is fixedly installed in the middle of the inner side ofthe telescopic clamping frame; the telescopic clamping frame is in butt joint with and fixed to a sealing adhesive gun through the first rotary ring and the second rotary ring; and the three-way connection pipe is fixedly connected to the upper end of the sealing adhesive gun in a sleeving mode. According to the adhesive dispensing sealing mechanism for light emitting diode production and a usingmethod thereof, using of the sealing mechanism is more flexible through the combined fixing structure, the application range of the sealing mechanism is widened, and the sealing mechanism has the ascending and descending switching structure, and raw material transferring is facilitated.

The utility model relates to the technical field of civil construction, and provides an aluminum formwork root anti-leakage plugging device which comprises an aluminum formwork and a plugging mechanism. The spring and the sealing strip are arranged, the mounting plate is pressed downwards to compress the spring, the sealing strip is pressed downwards by the spring to be attached to a gap, the spring can be pressed downwards in a segmented mode to be better matched with an uneven working face, the lifting plate is mounted on the lifting plate through the connecting bolt by arranging the preset nut and the connecting bolt, replacement and maintenance operation is convenient, and operation is convenient. A nut is arranged in advance, so that mounting operation is more convenient, only a connecting bolt needs to be rotated, a threaded rod is arranged and rotated, a lifting plate moves downwards, the sealing strip is driven to be pressed and attached downwards, and during mold removal, the threaded rod is rotated, so that the lifting plate moves upwards, and the sealing strip is prevented from being damaged; according to the utility model, the lower reinforcing ribs are arranged to provide support, so that the strength of the bottom plate is prevented from being reduced due to the penetrating holes, the strength of the template is ensured, and the template is prevented from being exploded.

The invention relates to a semi-open type water bearing plug-flow aerator. A semi-open type water bearing is arranged at the lower part of a hollow driving shaft by a water bearing sleeve core in a sleeving manner and comprises a left body and a right body which have semi-open symmetrical structures; the left body comprises a left-side plane flange, two side longitudinal flanges, a middle tubularbody, a bearing working surface coating layer and fall preventing barb bodies; one end surface of the middle tubular body is connected with the left-side plane flange; an upper open side and a lower open side of a semicircular tubular structure are both connected with the two side longitudinal flanges; a plurality of fall preventing barb bodies which are integrally arranged in a line manner in thecircumferential direction and the longitudinal direction of a bore are welded to the surface of the bore of the middle tubular body; the bearing working surface coating layer uniformly covers the surface of an inner hole of the middle tubular body to serve as a bearing working surface; the fall preventing barb bodies are naturally submerged and embedded in the bearing working surface coating layer. The semi-open type water bearing plug-flow aerator adopts a semi-open type water bearing composite material structural form, is stable and reliable in transmission support and is convenient and quick in mounting and maintenance.

The invention discloses a plastic stop valve. The plastic stop valve comprises a valve deck connecting insert cap, a valve clack, a valve rod with an outwards-extending operation end and a plastic valve body, wherein a valve seat is arranged in the plastic valve body and provided with a valve seat opening, and the two ends of the plastic valve body are provided with a flow inlet and a flow outletcommunicating with the valve seat opening correspondingly; the valve clack is provided with a valve clack rod, the valve clack rod is located in a through hole of a valve deck connecting insert, and external threads of the valve rod are matched with internal threads of the valve clack rod to form a kinematic pair; the valve clack rod limited to rotate is driven by rotation of the valve rod to enable the valve clack to ascend and descend and be matched with the valve seat opening to form a switch, the through hole of the valve deck connecting insert is smaller than the valve clack, a transitionconnecting opening in the top of the plastic valve body and a plastic connecting transition piece with the valve deck connecting insert are bonded and fixed into a whole through hot melting, the valve clack is limited in the plastic valve body; and a valve rod O-shaped sealing ring is arranged between the detachable valve rod and the valve deck connecting insert, and the detachable valve rod is limited in the valve deck connecting insert by the valve deck connecting insert cap in threaded connection with the valve deck connecting insert.

The invention discloses a thermal insulation material reuse granulator with a shock absorbing assembly, comprising a shock absorbing assembly, a rotating screen cylinder, a transmission rod and a fixed bottom plate, the shock absorbing assembly is fixedly installed on the upper part of the fixed bottom plate, and the shock absorbing assembly It is docked and fixed with the fixed bottom plate through the supporting bottom frame. The upper inner side of the shock absorbing assembly is movably installed with a lower connecting plate, and the shock absorbing assembly and the lower connecting plate are docked and fixed by four sets of longitudinal springs. The lower connecting plate An upper connecting plate is movable installed above the upper connecting plate, and two sets of transverse springs are movable installed between the lower connecting plate and the upper connecting plate; a kind of thermal insulation material recycling granulator with shock absorbing components in the present invention utilizes multi-directional shock absorbing The structure improves the stability of the thermal insulation material recycling granulator, and with the rotating screen drum, it has a material screening structure. At the same time, the thermal insulation material recycling granulator can be moved and adjusted to increase its scope of application and bring better user experience. .

The invention mainly discloses a stone curtain wall. The stone curtain wall comprises upright columns, crossbeams, stone curtain wall plates and curtain wall connecting joints. Through the curtain wall connecting points, the upright columns and the crossbeams are assembled into a main structure body of the curtain wall, and the stone curtain wall plates are assembled on the curtain wall connecting points to form an integrated stone curtain wall. According to the stone curtain wall, the upright columns and the crossbeams forming keels of the stone curtain wall are bolted on site through fastening pieces to ensure effective connection. In addition, notches of the stone curtain wall plates and pressure plates which are connected with the notches are designed into joints capable of relatively moving, and the stress is reasonable.

The utility model discloses a portable nitrogen freshness locking device, and relates to the technical field of sealed packaging. The portable water dispenser comprises an inner tank, a first outer shell and a second outer shell, the outer side surface of the inner tank is movably attached to the outer side surfaces of the first outer shell and the second outer shell, assembling assemblies are arranged on the outer side surfaces of the first outer shell and the second outer shell, an auxiliary portable assembly is fixedly arranged on one side of the first outer shell, and an auxiliary portable assembly is fixedly arranged on the other side of the second outer shell. The inner tank comprises a nitrogen storage part, a stock solution storage part, a storage solution storage part and a discharging part, and the nitrogen storage part is arranged on one side of the stock solution storage part and the storage solution storage part. When the equipment needs to be carried by the lifting rod to move, the movable plate can be pulled upwards through the through hole to move, the limiting rod is separated from the middle of the lifting rod, and the nitrogen storage part is arranged on one side of the stock solution storage part and the storage solution storage part; when the lifting rod is not used, the lifting rod can be stored in the containing groove, and the situation that normal use of the equipment is affected by the protruding lifting rod is avoided.

The invention discloses an online dust removal device for a curing oven. The online dust removal device comprises a communicating pipe and a heating box, the communicating pipe is fixedly installed on the outer surface of the upper end of the heating box, a plurality of sets of fans are arranged on the lower portion of the heating box, the lower portions of the two ends of the communicating pipe are each provided with two sets of electrostatic dust removers used for removing dust generated during glass curing and heating, and the communicating pipe and the electrostatic dust removers are spliced and fixed through splicing bases. During normal production of equipment, the first set of electrostatic dust collector is adopted for dust removal operation, after the equipment is used for a period of time, a user can use a splicing base to be matched with a splicing clamping strip to separate the first set of electrostatic dust collector from the communicating pipe, and a hole produced after the first set of electrostatic dust collector is disassembled is blocked; and at the moment, the second set of electrostatic dust collector is started, normal operation of the equipment can be guaranteed, the user can conveniently clean the used electrostatic dust collector, and the stability of the equipment during operation is improved.

The invention provides a sleep state monitoring strip structure for an intelligent mattress. Wherein, the monitoring band structure includes: a mattress body, a number of band structures are inserted into the mattress body, and the band structure is provided with a number of pressure sensors; a conductive component is used to monitor the pressure sensor to The pressure information transmitted to the intelligent control module; the intelligent control module is used to receive the pressure information transmitted by the transmission component, and perform sleep state analysis according to the pressure information. The present invention inserts a strip structure with a pressure sensor into the mattress body and monitors the state on the mattress body. The conduction component transmits the pressure information to the intelligent control module, and the intelligent control module adjusts the mattress body to make it more suitable for the user to sleep. It makes the maintenance and replacement of the pressure sensor more convenient, and avoids the problem that the flatness and firmness of the mattress body decrease due to the traditional disassembly of the mattress body and reassembly and sealing.

The utility model relates to a decorative moulding convenient to install, which comprises a plurality of decorative moulding bodies which are arranged side by side in the same transverse direction, and the two sides of the top of each decorative moulding body are respectively provided with an embedded hanging seat assembly which is fixed on a wall surface in advance. The embedded hanging seat assembly is used for limiting and clamping the decorative molding body at a wall surface arrangement position from front and back positions through the embedded hanging seat assembly; and assembling and connecting assemblies are mounted at the front and rear positions of the pre-embedded lifting seat assembly. The decorative molding has the beneficial effects that the embedded hanging seat assemblies which are fixed on the wall surface in advance are arranged on the two sides of the top of the decorative molding body, so that the decorative molding body can be limited and clamped at the arrangement position of the wall surface from the front and back positions through the embedded hanging seat assemblies; the decoration line body can be accurately positioned and compared with the decoration arrangement position of the wall surface, and the situation that the decoration line body deviates and is not compared in the arrangement process can be prevented.

The utility model discloses a multifunctional kitchen faucet which comprises a faucet body, a control valve structure is arranged in the middle of the side wall of the faucet body, and a cup washing device structure and a water outlet shower head structure are arranged at the top of the faucet body. A center connector is fixed to the faucet body, the cup washing device structure is rotatably connected to the center connector, and the water outlet shower head structure is rotatably connected to the top end of the center connector. And the control valve structure acts to realize on-off control of the water outlet shower head structure and the cup washing device. The multifunctional cup washing machine is reasonable in structural arrangement, the cup washing device structure and the water outlet shower head structure are arranged, cup washing operation and water outlet shower head operation can be achieved, functions are diversified, use requirements of different conditions can be met, and the cup washing device structure and the water outlet shower head structure can rotate, so that use is more flexible, use requirements in different directions are met, and the multifunctional cup washing machine is suitable for popularization and application. The device is convenient to disassemble and assemble, convenient to maintain and replace, stable and reliable to use, high in applicability and good in practicability.

The utility model discloses a corrosion-resistant cable trench cover plate which comprises a concrete plate, two symmetrically distributed stepped grooves are formed in the upper side of the concrete plate, and the corrosion-resistant cable trench cover plate further comprises an assembling mechanism. The splicing mechanism comprises two guide clamping columns and two guide clamping grooves, the two guide clamping columns are symmetrically arranged on the front side of the concrete plate, the two guide clamping grooves which are symmetrically distributed are formed in the rear side of the concrete plate, and the guide clamping grooves and the guide clamping columns are installed in a matched mode; according to the corrosion-resistant cable trench cover plate, the corrosion resistance is improved by arranging the corrosion-resistant layer, meanwhile, the rainwater corrosion phenomenon caused by long-time retention of rainwater on the surface of the corrosion-resistant cable trench cover plate is avoided by arranging the water diversion component, the corrosion resistance of the device is further improved, and the corrosion resistance of the device is improved through elements. A plurality of cable trench cover plates can be quickly guided, aligned and fixed, the operation is convenient, and one cable trench cover plate can be maintained and replaced in the later period.

The invention relates to a polyurethane lining plate and a preparation method thereof, and belongs to the field of wear-resistance protection of equipment. The polyurethane lining plate consists of a prepolymer and a curing agent containing an ether bond at a weight ratio of 100 to (8-12), wherein the prepolymer is prepared from the following raw materials in parts by weight of 100 parts of polyhydric alcohol, 35-50 parts of isocyanate, 5-10 parts of silicon carbide particles, 0.3-0.8 part of an organotin catalyst and 0.04-0.15 part of a coupling agent. With the adoption of the polyurethane lining plate provided by the invention, the structural strength of a polyurethane elastomer is improved and the hydrolysis property of the polyurethane elastomer is reduced; the wear resistance of the product is effectively improved; the softness of the ether bond is improved and the rigidity of the ether bond is realized, so that not only can various physical and mechanical properties of the elastomer be ensured, but also the hydrolysis resistance stability and strength of the polyurethane lining plate are improved, the impact deformation is prevented and the more firm structure is realized; the mounting and dismounting processes are simple and convenient, the processing intensity of an inner liner of the equipment is reduced, and the lining plate is convenient to replace; the shut-down time for maintenance of the equipment is shortened, the investment cost caused by equipment production is reduced, and the production efficiency is improved.

The utility model discloses an internal gearing reduction gear with small tooth difference, which relates to the reduction gear field, and comprises a support main block, the outer side edge of the support main block is horizontally and fixedly welded with a mounting outer ring, the top surface of the mounting outer ring is uniformly provided with fixing through holes, the bottom surface of the support main block is vertically inserted with a bottom main shaft rod, and the bottom main shaft rod is fixedly connected with the bottom main shaft rod. Side air cylinders are horizontally and symmetrically fixedly connected to the outer side edge of the supporting main block through bolts, a top through groove is horizontally formed in the top face of the supporting main block, a sealing cover plate is horizontally and fixedly connected to the inner side edge of the top through groove through threads, and a transmission shaft rod is vertically inserted into the top face of the sealing cover plate; a fixing inner block is horizontally and fixedly arranged on the inner side edge of the supporting main block, a sleeving bearing is fixedly connected to the inner side edge of the fixing inner block in a sleeving mode, a detachable open structure is adopted so that the inside can be conveniently maintained and replaced, and meanwhile the supporting and stabilizing effect can be adjusted according to needs under the adjustable structure.