294results about How to "Reduce stuck" patented technology

The invention provides a plate-and-frame filter press, and belongs to the technical field of plate-and-frame filter presses. Comprising a filter press body, the driving assembly has reciprocating displacement along the length direction of the filter press body; the scraper assembly is connected to the filter press body in a sliding manner; the scraper assembly at least comprises a scraper; an included angle a is formed between the scraper and the gravity direction; the included angle a is increased or decreased according to the weight b of the filter cake; the moving distance L of the previous plate frame driven by the driving assembly is increased or decreased under the control of the weight b of the filter cake. The included angle of the scraping plates is adjusted according to the weight of a filter cake, smooth stripping of the filter cake is ensured, particularly, the filter cake with high water content and high weight can be scraped cleanly, residues are avoided, and abrasion of equipment is reduced by reducing unnecessary displacement distance and reducing friction between the guide rail and the plate frame.

The invention relates to the technical field of glass bottle defect detection, and particularly discloses glass wine bottle body defect optical detection equipment and detection method.The optical detection equipment comprises a conveying belt, and a clamping mechanism, a lifting rotating mechanism, a detection mechanism and a sorting mechanism are sequentially arranged on the conveying belt from the feeding end to the discharging end. The detection end of the detection mechanism is attached to the bottle body of the glass wine bottle for optical detection, the receiving end of the detection mechanism receives the light in the glass wine bottle, the light directly reaches the receiving end in the bottle after passing through a bottle body material, and a signal path is relatively fixed, so that the interference of ambient light or reflection of surrounding objects on an optical signal can be effectively reduced. The bottle body of the glass bottle has a certain thickness, deviation of light scattering and refraction is easy to occur when light passes through the thickness of the glass in traditional external detection, the error can be reduced by matching of an external detection end and an internal receiving end, fine defects such as bubbles, cracks or tiny scratches are helped to be captured, and the detection stability is improved.

The invention relates to the technical field of transfer devices, and discloses a transformer insulation paper production transfer device which comprises a table, a conveying table is arranged at the top of the table, and a protection plate is fixedly connected to the top of the table. The rotating shaft rotates to drive the compression roller to rotate, so that the insulation paper which just rotates out of the rolling barrel can be leveled, the situation that the insulation paper is wrinkled and unsmooth in the transportation process in the subsequent production process is avoided, deflection or clamping stagnation of the insulation paper caused by unevenness of the insulation paper is emphatically reduced, the subsequent processing precision is improved, and the production efficiency is improved. And meanwhile, the first connecting plate moves upwards to drive the pressing plate to move upwards, so that the surface of the insulation paper can be further flattened, the flatness of the insulation paper in the transfer process can be improved, and the problem that the production efficiency is reduced due to uneven cutting in the follow-up link is solved.

The invention discloses an automatic punching device with a protection function for C-shaped steel machining, and belongs to the technical field of profile machining, the automatic punching device comprises a device main body, three groups of guide mechanisms, a pressing mechanism, a punching mechanism, an oil control mechanism, a protection mechanism and a pushing mechanism, and the bottom of one end of the device main body is provided with the three groups of guide mechanisms; the top of the other end of the device body is provided with two pressing mechanisms, a controller is arranged between the two pressing mechanisms, and the controller is electrically connected with the interior of the protection mechanism. The punching device has the beneficial effects that when the punch punches the surface of a profile downwards, due to the fact that the periphery of a hole site is pressed through the bottom of the ejector rod, the periphery of a punched hole can be kept flat, and when the thickness of steel is large and the resistance borne by the punch becomes large and the punch cracks, due to the existence of the ejector rod, the fractured punch only remains in the ejector rod, and the punching quality is improved. And the device cannot jump out to accidentally injure operators, so that the use safety of the device is greatly improved.

The invention discloses an aero-engine thrust bearing buffering and damping structure which comprises a thrust bearing, a bearing ring cavity structure and a bearing buffering structure, a bearing outer ring is installed in a ring cavity of a fixed supporting frame, a bearing inner ring is installed on a fan rotating shaft, and a buffering body is arranged between the bearing outer ring and the ring cavity. And the bearing outer ring is provided with an instantaneous breaking boss which is radially positioned with the ring cavity. When fan blades of an aero-engine fly to lose a limit load similar to that of the aero-engine, an impact load is transmitted to the force bearing structure from the fan rotor through the bearing, the load is fused after exceeding the bearing limit of the boss, the outer ring of the bearing is allowed to move relative to the ring cavity in the radial direction, and the buffering and damping effects of a fan rotor system are achieved by extruding the buffering body. Meanwhile, due to the design of the damping structure, the critical rotating speed of the fan rotor is reduced, and the load on the bearing when the rotor passes through the critical rotating speed is further reduced. In the windmill state, the structure can effectively reduce the vibration level of the rotor, and stable operation of the bearing under the non-power condition is ensured.

The invention discloses a high-voltage power line inspection robot, and belongs to the technical field of high-voltage line detection, the high-voltage power line inspection robot comprises a head pipe, a tail pipe and a plurality of middle pipes arranged between the head pipe and the tail pipe, the head pipe and the middle pipes are arranged in the axial direction, every two adjacent middle pipes are connected through hinge pieces, and the middle pipes and the tail pipe are connected through hinge pieces. A displacement driving device for driving the head tube to move along the power line and a stop device for fixing the head tube on the power line are mounted on the inner side of the head tube, and an elastic guide device in contact with the outer side of the power line is arranged in the middle tube; a rotating ring and a rotation driving device for driving the rotating ring to rotate around the axial direction of the power line are rotationally mounted on the tail pipe, a detection head is mounted on the rotating ring, and the detection head extends to the inner side of the tail pipe in the radial direction of the rotating ring and is used for detecting the surface of the power line. According to the robot, the influence of strong wind weather on device inspection can be reduced, the smoothness during inspection can be ensured, and the inspection efficiency is improved.

The utility model discloses a clamp for metal processing, which relates to the technical field of clamps and comprises a clamp seat, the top end of the clamp seat is connected with a support plate, a threaded groove is arranged in the support plate, a screw is inserted in the threaded groove, the end of the screw is connected with a movable clamping plate through a bearing, circular rings are distributed on two sides of the support plate, and the circular rings are connected with the movable clamping plate through a bearing. And brushes are connected to the inner sides of the circular rings. Through the arrangement of the circular ring and the brush, in the using process, through the mutual cooperation of the circular ring and the brush, chippings on the outer surface of the screw rod can be cleaned, so that the chippings are prevented from entering the threaded groove in the supporting plate, and therefore normal rotation of the screw rod in the threaded groove can be effectively guaranteed; and in the using process, through mutual cooperation of an inserting rod and a fixing strip, a worker can conveniently take down and replace all sets of brushes reaching the service life, so that the cleaning effect on the screw rod is guaranteed.

The invention discloses an anti-freezing, scale-free and countercurrent-free rotary wing type ceramic bearing mechanical water meter, belongs to the technical field of water meters, and aims to solve the problems of abrasion, blockage, countercurrent error, low-temperature freezing and the like of a traditional water meter in long-term operation. Through innovative mechanical design and material application, the metering precision, durability and environmental adaptability are improved; through a self-cleaning mechanism, an anti-freezing design, an anti-backflow device, application of high-performance materials, fluid dynamics optimization, a multi-axial rotor wing and magnetic suspension technology and an environment adaptability design, the rotor wing type water meter is easy to maintain and overhaul and has the advantages of self-cleaning, anti-backflow, high precision and high durability. According to the water meter, through innovative mechanical design and material application, the problems of abrasion, blockage, countercurrent errors, low-temperature freezing and the like of a traditional water meter in long-term operation are solved. The water flow meter is suitable for various water use environments such as residence, business and industry, can provide stable and reliable water flow measurement, and ensures accurate metering and management of water resources.

The utility model relates to the technical field of dry grinding and dry separation of iron ore and similar processes, and particularly discloses a dry grinding and dry separation system which comprises an incoming material conveying system, a roller mill, a dynamic powder concentrator, a dry classification cabin and a fine powder collecting and conveying system. A discharging hole of the supplied material conveying system is communicated with a feeding hole of the roller mill; a discharging hole of the roller mill is communicated with a feeding hole of the dynamic powder concentrator; a coarse particle material outlet of the dynamic powder concentrator is communicated with a material inlet of the dry type grading cabin; an oversize coarse particle discharging opening of the dry type grading cabin is communicated with a feeding opening of the roller mill; and a fine powder discharge hole of the dynamic powder concentrator is communicated with the fine powder collecting and conveying system. Finished product materials with various particle sizes can be provided, and the requirements of customers for different finished product particle sizes are met; fine powder screened by the dynamic powder concentrator is collected by a dust collector and then is directly conveyed to a tailing discarding procedure, so that the handling capacity of the dry classification cabin is reduced; the use condition of the dry-type grading cabin is optimized, and the system flow is simplified.

The invention belongs to the technical field of hot forging dies, and particularly relates to an automatic lubricating and cleaning hot forging die device which comprises a rack, a die body, a lubricating liquid supply unit, a multidirectional adjusting unit and a discharging mechanism. The lubricating liquid supply unit comprises an oil tank, a conveying module and a nozzle; the nozzle is connected with the nozzle through the conveying module; the multidirectional adjusting unit comprises a connecting rod, a lifting unit and a moving unit, the connecting rod is slidably connected with the rack, the lifting unit is arranged between the connecting rod and the rack, the moving unit is arranged between the connecting rod and the spray head, and the lifting unit is used for achieving position adjustment of the spray head in the vertical direction; the moving unit is used for adjusting the position of the spray head in the horizontal direction; the discharging mechanism is arranged at the bottom of the mold body and used for discharging the lubricating liquid entering the mold body and impurities carried by the lubricating liquid. According to the device, the cleanliness of the die body is improved, so that the die body is lubricated more sufficiently and uniformly, and the production quality of forgings is ensured.

The utility model belongs to the technical field of aluminum pipes, and particularly relates to a telescopic pull rod aluminum pipe which comprises an inner pipe body, an outer pipe body and an outer pipe body. A second cavity is formed in the outer pipe body, one end of the inner pipe body is located in the second cavity, and the inner pipe body and the outer pipe body form a telescopic structure; the positioning structure is arranged in the first cavity and is used for connecting the inner pipe body and the outer pipe body; wherein a mounting hole is formed in the end, away from the inner pipe body, of the outer pipe body. The telescopic pull rod aluminum pipe has the beneficial effects that due to the telescopic structure between the inner pipe body and the outer pipe body, the length of the aluminum pipe can be adjusted according to needs, great flexibility is provided, and the service life of the aluminum pipe is prolonged. And the system can adapt to different use scenes and requirements.

The utility model relates to a photovoltaic cleaning device supporting large-gradient walking, which is characterized in that a first connecting sliding chute is arranged on a first connecting side plate, a second connecting sliding chute is arranged on a second connecting side plate, a first rotating shaft is arranged on a first walking assembly, and a second rotating shaft is arranged on a second walking assembly; when the whole photovoltaic cleaning device is twisted, the first rotating shaft can rotate in the first connecting sliding groove, the second rotating shaft can also rotate in the second connecting sliding groove, and sliding connection between the connecting main frame and the first walking assembly and between the connecting main frame and the second walking assembly is achieved. By means of the structural characteristic that a roller shaft of the cleaning roller brush is connected with the first walking assembly and the second walking assembly, the structural characteristic that a first rotating shaft rotates with the roller shaft as the rotating center and a second rotating shaft rotates with the roller shaft as the rotating center is achieved, and connection between the connecting main frame and the first walking assembly and connection between the connecting main frame and the second walking assembly are more flexible; and the problem that the connecting main frame is stuck in the twisting process is solved.

The invention relates to the field of insulator robots, in particular to an insulator metamorphic robot mechanism based on secondary metamorphism and a using method, and a secondary metamorphic clamping mechanism comprises a secondary metamorphic clamping mechanism and a metamorphic epicyclic bevel gear train clamping mechanism. The secondary metamorphic clamping mechanisms are arranged at the far ends of the metamorphic epicyclic bevel gear train clamping mechanisms and used for clamping insulator umbrella skirts, the metamorphic epicyclic bevel gear train clamping mechanisms are used for clamping insulator steel caps, and the two sets of secondary metamorphic clamping mechanisms achieve clamping jaw rotation and clamping jaw movement in the metamorphic epicyclic bevel gear train clamping mechanisms through epicyclic bevel gear trains. In the clamping process, a clamping jaw of the secondary metamorphic clamping mechanism moves to drive the secondary metamorphic clamping mechanism to complete clamping of an insulator umbrella skirt and then continuously moves to complete clamping of an insulator steel cap, finally the robot is fixed to an insulator chain, the adaptability to the size of an insulator is high, the stable clamping capacity is provided, and the working efficiency is improved. The robot is protected against deviation when moving on the insulator chain, and the stress condition is good.

The electric pump comprises a rotating assembly, a thrust part and a shaft, the rotating assembly comprises a bearing and a rotor, the bearing is fixedly connected with the rotor, the bearing is provided with a matching hole, part of the shaft is located in the matching hole, the part, located in the matching hole, of the shaft is defined as a mounting part, the mounting part is in transmission fit with the bearing, the electric pump comprises a partition part, and the partition part comprises a partition face. The anti-thrust part comprises an anti-thrust face, the partition part and the bearing are both located on one side of the anti-thrust part in the axial direction of the electric pump, the partition part is close to the anti-thrust face relative to the bearing, and in the operation process of the electric pump, the partition face makes contact with the anti-thrust face. Therefore, the influence of heat generated by contact abrasion of the partition part and the thrust part on the bearing is reduced, the deformation of the bearing is reduced, and the blockage of the electric pump is reduced.

The invention relates to the technical field of intelligent PT cabinets, and provides an intelligent PT cabinet convenient to disassemble and assemble, which comprises a cabinet body, the cabinet body comprises a bus chamber, a handcart chamber, a control chamber and a cable chamber, the cable chamber is positioned at the bottom in the cabinet body, the handcart chamber is arranged above the cable chamber, the control chamber is positioned above the handcart chamber, and a partition plate is fixedly mounted in the cabinet body. A handcart body is arranged in the handcart chamber, the intelligent control module is fixedly installed in the control chamber, the sliding frame is arranged on the upper portion of the cable chamber in a sliding mode, the moving assembly is installed on the sliding frame, the positioning assembly is installed on the sliding frame, and the control assembly is installed on the control chamber. According to the technical scheme, the control assembly is installed on the sliding frame, the installation assembly is installed on the handcart body, and through the technical scheme, the problems that in the prior art, due to the fact that a PT handcart is inconvenient to assemble and disassemble, the maintenance process is difficult, and even equipment is damaged are solved.

The utility model belongs to the technical field of glasses supports, and discloses a limiting structure of a glasses support, which comprises a glasses frame connecting piece and glasses legs, and is characterized in that the glasses legs and the glasses frame connecting piece are connected through a hinging piece, the hinging piece comprises a clamping piece and a rotating shaft, the glasses frame connecting piece and the glasses legs are both connected with the rotating shaft, and the clamping piece is clamped on the rotating shaft; wherein gaskets are arranged between the glasses legs and the rotating shaft, and the gaskets are configured to be used for reducing friction; through the arrangement of the gaskets, the joints are smoother in the moving process, the friction coefficient between the glasses legs and the rotating shafts can be remarkably reduced, the clamping stagnation phenomenon at the joints of the glasses frame and the glasses legs is reduced, and meanwhile abrasion caused by repeated unfolding and folding is reduced. Therefore, the service lives of the spectacle frame connecting piece and the spectacle legs are prolonged, and the material damage caused by friction is reduced.

The utility model relates to a vacuum package cleaning device, it relates to vacuum package cleaning field, it includes frame, cleaning mechanism and is used for fixing the fixing mechanism of vacuum package, the cleaning mechanism includes cleaning subassembly and is used for controlling the moving subassembly of cleaning subassembly, the moving subassembly is provided on the frame, and the fixing mechanism is used for fixing the fixing mechanism of vacuum package. The cleaning assembly comprises a first cutter set and a motor, the fixed end of the motor is arranged on the moving assembly, the first cutter set is detachably connected to the output end of the motor, the fixing mechanism is arranged on the rack, the vacuum bag is fixed and clamped through the fixing mechanism, and then the vacuum bag is cleaned through the cleaning mechanism. And removing the deposited and viscous sediments on the inner wall of the vacuum bag. According to the utility model, the cleaning effect and the cleaning efficiency are improved.

The invention relates to the technical field of robot sensors, in particular to a visual tactile sensor based on color block mark array optimization and a three-dimensional reconstruction method, and the method comprises the steps: enabling four colors with remarkable visual difference to correspond to two patterns with different sizes to form eight digital identifiers, a binocular vision camera is used for collecting a color block array on the surface of an elastomer, on the basis of completing three-dimensional calibration and image preprocessing, the color block characteristics of mark points and neighborhood distribution of the mark points are used as constraints, displacement distance screening, line positioning and inter-frame movement continuity are combined, rapid matching and dynamic tracking of the mark points are achieved, and the accuracy and the accuracy of three-dimensional calibration are improved. According to the method, the spiral search traversal frequency is remarkably reduced, the system processing time is shortened to about 270 ms from about 320 ms through array structure design, matching strategy optimization and sensor structure miniaturization cooperation, high-precision reconstruction is guaranteed, meanwhile, the real-time performance and robustness are improved, and the method is suitable for complex operation scenes such as industrial robot precision assembly and flexible grabbing.

The application relates to a quick dismounting structure and method for a heavy mold, and relates to the technical field of mold manufacturing. The quick dismounting structure comprises a mounting mold frame and a heavy mold arranged on the mounting mold frame. The mounting mold frame comprises a lower mold base for supporting the heavy mold, an upper mold frame, and a wedge block assembly wedged between the heavy mold and the mounting mold frame. The heavy mold is provided with an upper mounting portion and a lower mounting portion. The lower mounting portion is provided with a lower guide surface inclined towards both sides of the heavy mold from top to bottom. The upper mold frame is provided with an upper mounting groove matched with the upper mounting portion for locking. The lower mold base is provided with a lower mounting groove matched with the lower mounting portion for locking and a push assembly slidably arranged on both sides of the lower mounting groove. The push assembly comprises an ejection unit arranged on one side of the lower mounting portion and a push-in unit arranged on the other side. The ends of the ejection unit and the push-in unit are respectively parallel to the corresponding lower guide surfaces. The application can improve the quick dismounting effect of the heavy mold and the mold frame support.

The utility model belongs to the technical field of agricultural and sideline products, and particularly relates to portable agricultural and sideline product picking equipment which comprises an electric telescopic long rod, a mounting seat is fixedly connected to the top of the electric telescopic long rod, a scissor body is fixedly connected to the top of the mounting seat, and a mounting ring is fixedly connected to the circumferential surface of the electric telescopic long rod. A net barrel is fixedly connected to the bottom of the mounting ring, an anti-accumulation device for preventing the agricultural and sideline products from being accumulated in the bent net barrel is arranged on the circumferential face of the electric telescopic long rod, the anti-accumulation device comprises a first fixing plate, and the side face of the first fixing plate is fixedly connected to the circumferential face of the electric telescopic long rod. According to the agricultural and sideline product picking device, the problems that the picking efficiency is reduced, fruits are easily pressed or collided and damaged, and the product quality is influenced due to the fact that agricultural and sideline products are accumulated in the bent net cylinder in the device are solved, so that the smooth picking process is ensured, the picking efficiency is improved, and the overall working effect and the picking effect of the device are improved.

The invention belongs to the field of wheel bodies, and particularly relates to a power driving mechanism for a wheel-track deformation wheel, a driving method and a wheel-track deformation wheel system.The power driving mechanism for the wheel-track deformation wheel comprises a wheel carrier driving part and an input end driving part of an autorotation synchronous belt wheel set; the power driving mechanism for the wheel-track deformation wheels is used for driving the wheel-track deformation wheels, and running can be carried out in a deformation wheel rim revolution driving mode, a track driving mode and a self-adaptive driving mode. According to the invention, through one rotary driving mechanism, two kinds of driving such as crawler traveling driving and deformation rim revolution driving can be realized, and a self-adaptive driving mode of a deformation rim revolution driving mode and a crawler driving mode can also be realized, so that the possibility that the wheel-crawler deformation wheel is stuck when encountering an obstacle is reduced; and the obstacle crossing capability of the wheel-track deformation wheel can be greatly improved.

The particle separator comprises an oil baffle ring fixed to an air inlet of a fan shell through a flange ring, the cross section of the oil baffle ring is in a C shape, a center shaft is arranged in the center of the inner side of the oil baffle ring, and one end of the center shaft is in transmission connection with an impeller shaft in the fan through a clutch mechanism. The central shaft is sleeved and fixedly connected with a shaft sleeve, the shaft sleeve is provided with an oil-smoke separation assembly, the air inlet end of the oil baffle ring is provided with a rough filtration mechanism, and the other end of the central shaft is in transmission connection with the rough filtration mechanism; the oil fume separation assembly comprises a mesh support and two oil fume separation meshes, the two oil fume separation meshes are installed on the two sides of the mesh support, a plurality of oil scraping plates are arranged on the outer side edge of the mesh support, an oil leakage opening is formed in the bottom of the oil baffle ring, and the position, corresponding to the oil leakage opening, of the bottom of the oil baffle ring is fixedly connected with an oil receiving box through a bolt assembly. According to the particle separator for the fan, energy loss is reduced, the operation efficiency and durability of the impeller are improved, and the service life of the motor is prolonged.

The utility model belongs to the technical field of folium cortex eucommiae processing, and provides a folium cortex eucommiae cleaning device which comprises an immersion cleaning mechanism, a draining mechanism and an air drying mechanism which are sequentially connected in series. The immersion cleaning mechanism comprises an immersion cleaning tank and a first conveying mesh belt; the draining mechanism comprises a draining groove and a second conveying mesh belt, and the second conveying mesh belt is provided with a plurality of cam shafts, so that the second conveying mesh belt vibrates up and down in the process of horizontally conveying the eucommia ulmoides leaves; a turning rotating wheel is arranged between the discharging end of the immersion cleaning mechanism and the feeding end of the draining mechanism and used for turning the eucommia ulmoides leaves to avoid adhesion of the eucommia ulmoides leaves; the air drying mechanism comprises an air drying groove, a third conveying mesh belt and an air blowing assembly. According to the eucommia ulmoides leaf cleaning device, cleaning, draining and air drying of eucommia ulmoides leaves can be automatically completed, time and labor are saved, the eucommia ulmoides leaf cleaning efficiency is effectively improved, meanwhile, adhesion between the eucommia ulmoides leaves and the device and adhesion between the eucommia ulmoides leaves in the cleaning process can be reduced, and therefore the cleaning and draining effects are improved; the eucommia leaf loss caused by adhesion is reduced.

The invention relates to a separating screen for rice cultivation, which comprises a machine body upper part and a machine body lower part, the machine body upper part and the machine body lower part are detachably and fixedly connected, an inner cavity for screening rice is formed between the machine body upper part and the machine body lower part, and the separating screen further comprises a deformation screen body part and two linear driving sources, the deformation screen body part is installed in an inner cavity formed between the machine body upper part and the machine body lower part, and the two linear driving sources are both installed at the bottom of the machine body lower part. Through the arrangement of the deformable screen body part, the screen cloth can be adjusted according to requirements when the separating screen for rice cultivation is used, so that rice with different particle sizes is screened, the situation that a traditional separating screen adopts multi-stage screen cloth to screen rice with different particle sizes is avoided, the overall structure space of the device can be reduced, and the size of the device is reduced; and the device can have a wide screening application range, the screen does not need to be replaced, and the convenience of screening operation for rice cultivation is improved.

The invention relates to a load bearing plate for a high-voltage ceramic capacitor and a preparation method thereof, the load bearing plate for the high-voltage ceramic capacitor comprises a main body layer, and the surface of the main body layer is sequentially coated with a transition layer and an anti-sticking layer; the composition of the main body layer comprises Al2O3 and SiO2, the composition of the transition layer comprises Al2O3, SiO2, BaTiO3 and SrTiO3, and the composition of the anti-sticking layer comprises BaTiO3 and SrTiO3; and the high-voltage ceramic capacitor is composed of BaTiO3. According to the invention, the transition layer and the anti-sticking layer are sequentially coated on the main body layer, and the anti-sticking layer and the high-voltage ceramic capacitor are designed to have the same composition material, so that adhesion between the load bearing plate and the high-voltage ceramic capacitor can be prevented, the uniformity degree of the product is improved, and the breakdown voltage of the ceramic capacitor is improved.

The invention discloses a detection device for an enhanced modified foaming cement insulation board, and relates to the technical field of insulation board detection.The detection device for the enhanced modified foaming cement insulation board comprises a base, a lifting table is fixedly installed at the top of the base, and a first hydraulic cylinder is fixedly installed at the top of the lifting table; a second hydraulic cylinder is fixedly installed on the surface of the lifting table, a detection mechanism is arranged on the inner wall of the lifting table, and the centering device comprises a clamping plate, a first inclined plate, a centering plate, a second inclined plate, a water tank, a water spraying pipe, a collecting box and a telescopic rod. According to the detection device for the enhanced modified foaming cement insulation board, the second inclined plate moves to drive the centering plate to move so as to push the insulation board to move towards the centering position, and it is ensured that the insulation board is kept at the stable and centering position in the detection process, so that uneven pressure distribution caused by position deviation or inclination is avoided; therefore, more accurate pressure data can be obtained, and errors are reduced.

The utility model belongs to the technical field of roots pumps, and particularly relates to a split type roots pump which comprises a pump main machine and an auxiliary machine, the auxiliary machine is independent of the pump main machine and placed on the side of the pump main machine, the pump main machine comprises a pump body, a driving rotor and a driven rotor, the driving rotor and the driven rotor are arranged in the pump body, and the auxiliary machine comprises a synchronous transmission mechanism. The synchronous transmission mechanism is connected with the driving rotor through a first coupler and connected with the driven rotor through a second coupler. According to the utility model, not only are operation faults caused by poor heat dissipation or lubrication and scaling of the cooling coil completely solved, but also the problems that lubricating oil leaks into a gas suction system or liquid in gas leaks into the lubricating oil and the lubricating oil is emulsified and fails are completely solved, and the problem that a shaft seal part is easy to leak in the working process of the pump is completely solved; and the failure of jamming or abrasion caused by thermal expansion of parts can be effectively reduced, the product reliability is remarkably improved, and the service life of the whole pump is greatly prolonged.

The invention discloses a railway ballast grading screener which comprises a protective shell structure, a feeding structure and a screening structure, different grading railway ballasts can be screened at the same time through the design of the railway ballast grading screener, railway ballast particles can be accurately graded according to the size through the design of screen holes with different hole diameters and an adjustable screen, and the screening efficiency is improved. The requirements of different engineering projects on the sizes of the railway ballast particles are met. A step-by-step screening mode is adopted, the blocking and adhesion phenomena in the screening process can be effectively reduced, the screening efficiency is improved, the structural design is compact, the occupied area is small, installation and use in a limited space are facilitated, the motor, the material pushing blades and other components in the device are simple in structure, automatic operation is achieved, and manual intervention is reduced.

This application relates to a lamp fixture, which falls within the field of lighting technology. The fixture includes a lamp body heat sink, a light-transmitting plate, and a side cover. The lamp body heat sink has a receiving groove, and the light-transmitting plate is installed within the receiving groove. The side cover is rotatably mounted on the lamp body heat sink via a rotating component. By flipping the side cover, it can move along the direction of movement of the light-transmitting plate, thereby sealing the opening of the receiving groove. The side cover is fixed to the lamp body heat sink by a snap-fit ​​limiting component. This application simplifies the lamp fixture structure and assembly process through the design of the rotating component and the snap-fit ​​limiting component, reducing manufacturing costs and making optical component replacement more convenient, thus improving maintenance efficiency. Simultaneously, the sealing design of the snap-fit ​​limiting component effectively seals the groove opening, preventing dust and insects from entering, enhancing dust and insect resistance, and ensuring stable operation of the optical components. This design not only solves traditional problems but also improves market competitiveness and user experience by simplifying the structure and reducing costs.

This application discloses a piston-type multi-way valve and a water softener, comprising: a housing having a cavity, a first guide hole, and a second guide hole, the first guide hole communicating with the cavity; a sealing piston movably disposed within the cavity; a drive mechanism disposed on the housing; and a movable component having a first connecting portion and a second connecting portion, the first connecting portion slidably passing through the first guide hole and connected to the sealing piston, the second connecting portion being connected to the output end of the drive mechanism and slidably inserted into the second guide hole. By providing the first and second guide holes on the housing, the first connecting portion of the movable component slides within the first guide hole, and the second connecting portion of the movable component slides within the second guide hole, forming a dual-point cooperative guiding structure. This effectively limits the radial sway of the movable component during long-distance reciprocating motion, ensuring the straightness and stability of its motion trajectory, and improving the motion stability of the movable component.