128results about How to "Increase the bearing area" patented technology

The invention discloses a fruit picking manipulator which comprises a hand portion and a tri-link spherical coordinate type arm. The hand portion comprises a supporting plate arranged on a wrist, fingers and connecting rods thereof are respectively hinged to two sides of the front end face of the supporting plate, and a draw rod for drawing the fingers to open and close is directionally and movably assembled on the supporting plate through a draw rod driving mechanism arranged on the supporting plate. The fruit picking manipulator is characterized in that the inner sides of the front ends of the fingers are provided with arc clamping plates with opposite arc directions respectively. When fruits are picked by the fingers, the arc shape of the arc clamping plates arranged in the front of the fruit picking manipulator fits shapes of fruits, so that the peripheral stressed areas of the fruits are large, the fruits are uniformly stressed, and the problem of fruit damage caused by high local stress on the fruits in the prior art can be avoided.

The invention relates to the technical field of motor machining, and discloses an adjustable positioning milling fixture with uniform clamping force. The milling fixture comprises a mounting table, the top of the mounting table is fixedly connected with a connecting block, four evenly distributed sliding holes are formed in the side wall of the connecting block, the four sliding holes communicate,sliding rods are in sliding connection to the inner walls of the four sliding holes, the ends, located in the connecting block, of the four sliding rods are fixedly connected with limiting blocks, limiting grooves are formed in the inner walls of the four sliding holes, the four limiting blocks are in sliding connection with the inner walls of the four limiting grooves, the ends, outside the connecting block, of the four sliding rods are fixedly connected with a first arc clamping plate, and a transmission box is fixedly connected to the bottom of the mounting table. According to the adjustable positioning milling fixture with uniform clamping force, a motor shell is sleeved with the position between a first clamping plate and a second clamping plate, the side wall stress area of the motor shell is increased, clamping force is transmitted by two opposite directions, and when the motor shell is clamped, the shell is not prone to deforming.

The invention discloses a telegraph pole and an installing and fixing method thereof. The lower end of the telegraph pole is provided with through holes which cross through the telegraph pole body; the installing and fixing method comprises the following steps: a pre-buried pit is dug at the installing position of the telegraph pole, a steel bar is penetrated into the through holes at the lower end of the telegraph pole, the two ends of the steel bar are arranged outside the telegraph pole which is upright in the pre-buried pit, and a pouring frame with the shape being adapted to that of the pre-buried pit is constructed outside the two ends of the steel bar; and pouring is carried out in the pouring frame by using concrete, thus forming a base seat which is integrated with the telegraph pole. At least two pairs of through holes at the lower end of the telegraph pole are distributed uniformly and alternately; the cross section of the pre-buried pit is a regular quadrangle; the pouring frame is in the shape of a regular quadrangle frustum with small top and big bottom, and the pouring frame consists of hollow-out net boards. As the cast-in-situ base seat which forms into one firm body with the telegraph pole is added, and the surface is unsmooth, the force bearing area of the telegraph pole is increased, the gravity center is reduced, the anti-inclination and anti-toppling capacity of the telegraph pole is increased, and the telegraph pole is safe and reliable.

The invention provides a floating dock with fin stabilizers and belongs to the technical field of marine equipment. The floating dock comprises a floating dock body. Multiple first installation grooves are formed in the two sides in the floating dock body in the length direction. Hydraulic oil cylinders are arranged in the multiple first installation grooves. Piston rods of the hydraulic oil cylinders are horizontally arranged. Anti-collision mechanisms are arranged at the ends of the piston rods of the hydraulic oil cylinders. Each anti-collision mechanism comprises a bottom board. The back faces of the bottom boards are fixedly connected with the ends of the piston rods of the hydraulic oil cylinders. Grooves are formed in the front faces of the bottom boards. Buffer boards are arrangedin the grooves in a sliding mode. Multiple buffer springs are arranged between the front face of each groove and the back face of the corresponding buffer board. The front faces of the buffer boards are provided with multiple rolling wheels through supports. The rolling wheels are further provided with power generation devices capable of generating power through the rolling wheels. The anti-collision mechanisms can prevent a ship from colliding with the floating dock when sailing in and out of the dock, rolling contact between the ship and the rolling wheels on the anti-collision mechanisms can be used for generating power, energy is saved, and the floating dock is environment-friendly.

The invention provides a combined type anchor padding plate, which is formed by a middle steel padding plate with a hollow central part and a super high strength concrete pressure-bearing piece coated on the lower part and/or the periphery of the middle steel padding plate; and the super high strength concrete pressure-bearing piece is a super high strength active powder concrete component of which the ultimate compressive strength is more than 120MPa and the ultimate breaking strength is more than 12MPa. The method for manufacturing the combined type anchor padding plate comprises the following steps: putting the manufactured middle steel padding plate used as an inner mould in a component forming mould for manufacturing the super high strength concrete pressure-bearing piece, adding the super high strength active powder concrete, manufacturing a moulding piece of the combined type anchor padding plate, which combines the middle steel padding plate and the super high strength concrete pressure-bearing piece, and performing working procedures of the moulding piece, such as natural curing and the like to manufacture the combined type anchor padding plate. The combined type anchor padding plate has the advantages of optimized structure, low steel consumption, low cost, smaller stress under the anchor, more uniform distribution of the stress under the anchor, more convenient dense casting of concrete under the anchor and more convenient field construction and laying of auxiliary reinforcements.

The invention discloses a head fixing device for brain surgery, and belongs to the technical field of medical apparatuses and instruments. The head fixing device comprises a base, a rotary joint, a supporting arm, a rod-carrying joint, a C-shaped support, calvaria nails and a first supporting base. The first supporting base comprises a first base body and a first connecting piece. The first connecting piece comprises a first connecting rod, a first connecting block and a control head. The side, close to the first base body, of the first connecting block is provided with a first slide rail. The side, away from a first silica gel layer, of the first base body is provided with a first slider. The first slider is arranged on the first slide rail in a slidable mode. The head fixing device has a basic function of a head rack; when the C-shaped frame is placed upwards and a patient faces upwards or downwards, the first base body can support the patient, the head of the patient is supported by the calvaria nails and the first supporting base at the same time, the stress area is larger, the head of the patient is more stably supported, and the patient feels more comfortable.

The invention discloses a support made of corrugated boards. The support made of the corrugated boards is arranged in a packaging case or an external packaging box, is suitable for arranging all regular products, and can replace a packaging inner case in existing package design. The packaging box inner support comprises a bottom plate and multiple separating plates, the left side and the right side of the bottom plate are folded to form a left side baffle and a right side baffle which are symmetrical about each other, inserting grooves are formed in the left side baffle and the right side baffle, inserting grooves are also formed in the separating plates, the separating plates and the bottom plates are fixed together through integrated design of mutual inserting, a reinforcing effect can be played, loading capacity can be improved, stability is improved, in addition, the stress area is enlarged, products can be arranged more stably, dislocation between an upper inner case and a lower inner case due to irregular arrangement can be prevented, and the packaging box inner support cannot be damaged due to large partial stress. Finally, compared with a traditional packaging inner box, the packaging box inner support made of the corrugated boards saves materials greatly and reduces cost.

The invention provides a shield machine stabilizing device and a shield machine. The shield machine stabilizing device comprises a telescopic driving piece and rectangular support boots arranged at the working end of the telescopic driving piece; and the long edges of the rectangular support boots are arranged in the rotating direction of the shield machine, and the short edges of the rectangularsupport boots are arranged in the tunneling direction of the shield machine. The shield machine comprises a shield body and the shield machine stabilizing devices, and the shield machine stabilizing devices are symmetrically arranged on the left side and the right side of the shield body. The shield machine stabilizing device and the shield machine have the advantages that lateral rolling of the shield body is prevented, and tunneling reliability and safety of the shield machine are ensured.

The invention discloses a high bearing capacity prestressed pipe pile and relative producing method. The invention can overcome the thickness limit of wall of present technique via a plurality of filling and de-centering concrete to produce practical pipe pile even sincere post. With the increase of wall thickness of post, the forced surface of pipe pile and the structure mechanical property are improved. The tests prove that: the bearing ability of single post is improved significantly, with strong penetrate ability to rigid stratum and reduced post-explosion condition. The invention has simple process, reliable quality, and better market prospect.

The invention relates to a production technique of pulley and specifically to a spinning technique of pulley, comprising the following steps of: 1) blanking; 2) performing spinning; 3) upsetting spinning; 4) spinning forming. The external edge of said blank employs orthodrome transition. The spinning technique of pulley provided by the invention improves the shape of the blank, thus the blank is free of fillet transition area; with the orthodrome transition, crack or wrinkle cannot be occurred in the process of spinning. Meanwhile, with this spinning technique, the tooth flute of finished component is thicker than that formed by other techniques; therefore, the strength of pulley can be enhanced obviously and the qualification rate of the pulley manufacture by this spinning technique is improved obviously. The invention belongs to the field of pulley manufacturing technique.

The invention belongs to the field of oil and gas storage and transportation and particularly relates to an arch-top storage tank with a reticulated shell. The arch-top storage tank with the reticulated shell comprises a tank wall, an arch top, a backing plate, a ring plate, ribbed plates and a guardrail. The ring plate is flush with the top end of the tank wall, surrounds the tank wall one circle and is welded with the same. The ribbed plates are uniformly arranged at the bottom of the ring plate along the circumferential direction of the tank wall, and the ribbed plates, the ring plate and the tank wall are welded. The backing plate is arranged on the top surface, corresponding to the ribbed plates, of the ring plate. The arch top is composed of a tank top reticulated shell structure and a cover paved above the reticulated shell, and is supported on the backing plate through a tank top reticulated shell structure support, and the cover is welded with the top end of the tank wall. The guardrail is arranged at the outer edge of the upper portion of the ring plate. Compared with the prior design, bearing area on the top of the tank wall can be enlarged, binding strength of the ring plate and the tank wall and safety margin of the top of the tank wall are improved, and great stress concentration on the top of the tank wall is avoided. The design of the arch-top storage tank is more humanized, and safety coefficient during maintenance and construction is improved.

The invention discloses a beam-column semi-rigid connection structure based on a bamboo frame; the beam-column semi-rigid connection structure comprises a column and beams; the column includes a center connector, a first connection plate, a second connection plate, a plurality of first bamboo pieces and a plurality of first rings, wherein the center connector comprises a center steel pipe and a plurality of first fixing plates, and wherein one first fixing plate corresponds to one first bamboo piece, the back of the first fixing plate is fixed to the side of the center steel pipe, and the front of the first fixing plate is provided with an arc face mating with the side of the corresponding the first bamboo piece; the first bamboo pieces are embedded in the fronts of the front fixing plates, both the center connector and the first bamboo pieces are nested in the first rings, the first connection plate is arranged between the first rings and the first bamboo pieces, the end of the second connection plate is connected to the lateral side of the first connection plate, the first rings are passed through the lateral side of the second connection plate; a joint of the structure herein is friendly to raw bamboo, and the structure is long in service life and high in bearing capacity.

The invention discloses a die for producing a damping sole provided with a sole, an insole, a damping heel, and an elastic column which are provided with a spring for damping, and a production method thereof. The die is characterized in that the inside of a cavity body of the die is provided with an iron column body; the spring is sleeved on the iron column body; the iron column body takes the shape of a cylinder, a triangular prism or a tetragonal prism, and is convex; and one end of the iron column body is fixed at the bottom of the die, and the other end of the iron column body is positioned on or below the top of the die. The production method is to place the custom spring into the column body for fixing the spring in the die after the die is opened, and the column body is sleeved by the spring; the die is closed again, and shoe materials are injected into the die according to normal operation; after the shoe materials are cooled, the die is opened and the formed sole, insole, heel and elastic column are taken out, and the process is ended after leftover materials are trimmed. The die has the advantage of capability of firmly and easily applying the spring to the sole, the insole, the heel and the elastic column with low cost.

The invention discloses a rivet structure for a spacer sleeve on a cross-section-variable nozzle ring of a turbocharger. The rivet structure comprises a first workpiece, a second workpiece and a rivet piece, wherein a first through hole is formed in the first workpiece, a second through hole coaxial with the first through hole is formed in the second workpiece, the rivet piece is sleeved with the spacer sleeve in a fixed mode, the two ends of the spacer sleeve abut against the two close surfaces of the first workpiece and the second workpiece respectively. The first through hole and the second through hole each comprise a cylindrical hole and a counterbore, the hole wall of each of the two counterbores comprises an outwards-expanded first conical wall and an outwards-expanded second conical wall, and the two ends of the rivet piece are riveted and pressed into the two counterbores. According to the rivet structure, the stress area of the rivet piece is larger, the deformation amount of the rivet piece is smaller, and the stress of the rivet piece is smaller, so that the rivet piece cannot be easily cracked, the strength of the rivet piece is improved, and the mechanical property is better.

The invention discloses an expanded-base combination end pile bearing foundation. The expanded-base combination end pile bearing foundation comprises the two parts of a pile body and a pile base. The pile body is composed of a pile peripheral cement mixture simultaneously poured with the pile base and a prestressed centrifugal concrete pile embedded and fixed before setting of the mixture. The pile base is composed of a cement mixture which is in the shape of a circular truncated cone or a cylinder or a pumpkin (oval). According to the expanded-base combination end pile bearing foundation, the force bearing area of a supporting rocky layer is enlarged through the bottom expanded head, strength performance of the supporting layer is improved, damage of a driven tubular pile to the supporting layer is eradicated, and the problem that the supporting layer is softened with water is solved, so that the depth of the pile end, embedded into the supporting layer, of the tubular pile is increased, the pile end stress surface is increased, the bearing capacity of the whole pile is improved, and the utilization rate of the strength of the prestressed centrifugal concrete pile body is increased. Compared with end bearing piles directly driven into the supporting rocky layer through hammering construction, the expanded-base combination end pile bearing foundation causes small damage to the supporting layer, and is free of the soil squeezing effect, shake, lamp black and noise pollution and suitable for supporting layers of intense, intermediate and weak weathered mudstone and sandstone.

The invention discloses a pregnant woman safety belt fixing device and a fixing method thereof. The pregnant woman safety belt fixing device which is arranged between a safety belt upper belt and a safety belt lower belt comprises a fixing device upper edging belt, a fixing device lower edging belt and fixing device side fixing belts; the fixing device side fixing belts are arranged between the fixing device upper edging belt and the fixing device lower edging belt; a protection bag is arranged inside a frame which is formed by the fixing device upper edging belt, the fixing device lower edging belt and the two fixing device side fixing belts; the fixing device lower edging belt is provided with a lower edging belt inserting buckle fixing belt which is used for connecting a seat lower inserting buckle fixing belt which is arranged on the seat. According to the pregnant woman safety belt fixing device and the fixing method, the safety belt lower belt moves downward to be closely attached to thigh ends, so that the stressed area is increased through the protection bag, the abdominal average pressure is reduced, and the protection effect is improved; the structure is simple, the using is convenient, and a user only needs to lock an inserting buckle on the working basis of normal safety belt operation; normal riding for women who are not pregnant is not affected and the increased costs are low.

The invention relates to a tensioning and anchoring device for concrete poles and belongs to the technical field of electric power transmission. The tensioning and anchoring device comprises a tensioning head used for fixedly connecting with a rebar, a tensioning puller used for connecting a jack and pulling the tensioning head and a threaded fastening support mounted on the tensioning head through a thread and used for stopping on a steel form to retain tensioning state of the tensioning head. The threaded fastening support is an anchoring plate comprising a plate bottom and bosses protruded on the front ends of the plate bottom. The bosses are provided with front end faces for fitting with the steel form in a blocking way. A thread hole is formed in the center of the plate bottom and matched with the thread of the tensioning head. According to the arrangement, the anchoring plate sleeving the tensioning head is rotated so as to be abutted against the steel form in a rapid and fastened manner. Besides, with large stressed area of the anchoring plate, tensioning force is evenly and stably applied to the steel form.

The invention discloses a plastic cutting machine with the function of adjusting the cutting size, and relates to the technical field of plastic production. The plastic cutting machine with the function of adjusting the cutting size includes a workbench, the two sides of the bottom of the workbench are fixedly connected with support legs, one side of the workbench is fixedly connected with a water tank, and the two sides of the top of the workbench are provided with There is a first chute, a support frame is rollingly connected to the first chute, a second chute is provided on the top of the support frame, and a gear is movably connected inside the second chute, and the front of the second chute is provided with a A support rod, the other end of the support rod is sleeved with a cutting knife, one side of the cutting knife is fixedly connected to a water pipe, the end of the water pipe close to the cutting knife is fixedly connected to a nozzle, and the other end of the water pipe is fixedly connected to the water pump, the top of the workbench Exhaust fans are arranged symmetrically on both sides of the fan. The plastic cutting machine with the function of adjusting the cutting size has high cutting efficiency and less operation errors.

A transverse sealing cutting unit comprises a pruning shear, a plurality of hot-pressing glands arranged on the pruning shear, cutters correspondingly arranged on each hot-pressing gland, and pairs of regulating mechanisms arranged on each hot-pressing gland, wherein cutter grooves are arranged in the hot-pressing glands; each cutter comprises a cutter body and a cutter blade point; and each regulating mechanism comprises a regulating block arranged in each cutter groove, a fixing block arranged at one end of each hot-pressing gland, and a screw rod nut penetrating through the fixing block and in a threaded connection with the regulating block. The section of the bottom surface of each cutter body is in an arc shape along the extending direction of the cutter groove, the section of the top surface of each regulating block is in an arc shape along the extending direction of the cutter groove, the top surface of the regulating block abuts against the bottom surface of the cutter body, and the bottom surface of the regulating bock is in a surface contact with the bottom of the cutter groove. The invention further provides a heat-sealing packaging device provided with the transverse sealing cutting unit. The regulating mechanisms are small in abrasion and long in service life, the volume of the pruning shear is not occupied, and the cost can be reduced.

The invention discloses an air switch, belongs to the field of electrical equipment. The air switch comprises a casing, threaded holes are symmetrically arranged at positions near to the two ends at the front surface of the casing, the middle portion between the threaded holes at the two ends of the front end surface of the casing is provided with a boss, the middle portion of the rear end surface of the casing is provided with a groove, a switching device and a bearing platform connected with the switching device are arranged on the boss, the switching device comprises a toggle switch and a soleplate, the toggle switch is mounted in the soleplate in an overturnable manner and enables the soleplate to abut against the bearing platform, and an arc-shaped groove is formed in the end portion of the bearing platform. On the basis of a traditional air switch, the bearing platform is additionally arranged on the boss to increase the bearing area and reduce damage on the toggle switch, and influence on the service life of the air switch is avoided.

The invention discloses an ice rescue ladder, comprising a flexible interface, a plurality of hard supporting surfaces, a plurality of pedals and an active hinge; wherein, two group of hard supporting surfaces are cuboid sheets made of timber or plastic, supporting and widening force area; the flexible interface is fixed at the bottom of the hard supporting surface and is made of rubber or foam; a plurality of pedals made of timber or plastic are fixed on the hard supporting surface for rescuers standing or moving; the ice rescue ladder is multistage; the stages are flexibly hinged. The ice rescue ladder has the advantages that the ladder has simple structure and can enlarge the force area to the largest extent, avoiding ice breakage; since the ladder has considerable hardness and bearing capacity, rescuers will be safe and convenient to carry out rescue on the pedals; the rescue ladder greatly improving life-saving efficiency is suitable for ice rescue.

The invention relates to a truss system used for a cold-formed thin-walled steel structure. The truss system comprises a truss chord member and a truss web member and further comprises a ridge node plate, wherein the ridge node plate is respectively connected with the truss chord member and the truss web member. Compared with the prior art, the truss system has the advantages of being capable of improving truss system node rigidity and strength and the like.

The invention discloses a fire hose cleaning device. The device comprises a fixing base, a cleaning box is fixedly connected to one side of the outer wall of the top of the fixing base, two springs are fixedly connected to the outer wall of the top of the fixing base, fixing plates are fixedly connected to the outer walls of the tops of the two springs, connecting plates are fixedly connected to the two sides of the outer walls of the tops of the fixing plates; supporting plates are connected between the outer walls of the opposite sides of the two connecting plates through hinges, fixing blocks are fixedly connected to the two sides of the outer walls of the tops of the supporting plates, and two supporting rods are fixedly connected between the outer walls of the opposite sides of the two fixing blocks. The fire hose cleaning device can prevent the surface of a fire hose from being abraded, the cleaning efficiency of the device can be improved, the situation that the cleaning effectof the fire hose is affected due to the fact that the fire hose floats on the water surface due to large buoyancy can be prevented, and stains can be prevented from dripping onto the surface of the device to cause secondary pollution to the fire hose.

The invention discloses a corrugated carton comprising a carton body. Two mounting holes are symmetrically formed in the upper surface of the carton body. The same grip is movably connected into the two mounting holes in a sleeved mode. Two reinforcing plates are symmetrically and fixedly connected to the lower surface of the carton body. Limiting holes are formed in the lower surfaces of the reinforcing plates and located under the mounting holes. Two elastic clamping rods are symmetrically and fixedly connected to the lower end of the vertical part of the grip. The lower ends of the elasticclamping rods extend out of the limiting holes. The rod walls of the opposite sides of the two elastic clamping rods are fixedly connected with clamping blocks correspondingly. A storing groove is formed in the upper surface of the carton body. A mounting groove is formed in the groove bottom of the storing groove. The groove bottom of the storing groove is fixedly connected with a first magnet. According to the corrugated carton, it can be ensured that the part, at the grip, of the carton body is not damaged, the problem that the grip is disengaged from the carton body, and consequently, objects in the carton fall down is solved, the carton body can be prevented from making contact with the ground and is prevented from being affected with damp, thus the carton can be reused, wood resources are saved, and the environmental protection property of the carton is improved.

The invention provides an automobile protective piece and a protective assembly. The protective piece comprises a base plate, a first side plate and a second side plate, wherein the base plate is formed by bending a plate body, and the first side plate and the second side plate extend from the base plate and are arranged oppositely. When the protective piece is subjected to an external force action, the base plate, or the first side plate or the second side plate serves as a force-bearing surface, compared with a circular tube protective piece in the prior art, the force-bearing area is large, the number of force-bearing parts is large, and the thickness of the plate body is large, so that when being subjected to the external force action, the protective piece is not prone to being damaged, the protective performance of the protective piece is improved, and further the protective performance of the protective assembly is improved.

The invention provides an oil pan sealing structure which has good tightness and is durable. The oil pan sealing structure comprises a flange face, a ring-shaped sealing washer and a ring-shaped reinforcing strip, wherein the flange face is at the upper end of an oil pan body, the ring-shaped sealing washer is used for clamping the flange face of the oil pan, and the ring-shaped reinforcing strip is arranged under the ring-shaped sealing washer; the radial cross section of the ring-shaped sealing washer is U-shaped; the ring-shaped reinforcing strip is fixed with the frame of a crank case; and the radial cross section of the ring-shaped reinforcing strip is step-shaped. The ring-shaped sealing washer with the U-shaped radial cross section is squeezed by the ring-shaped reinforcing strip with the step-shaped radial cross section, is fixed at the bottom of the frame of the crank case, so that all places of the flange face of the oil pan are effectively ensured to be clung to the ring-shaped sealing washer and the tightness between the oil pan body and the frame of the crank case is fully ensured; and as the ring-shaped sealing washer of the sealing structure has big force bearing area and uniformly bears force, the ring-shaped sealing washer can resist ageing more effectively and improves the durability of the oil pan sealing.

The invention discloses an intelligent household audio-video mixing collection device adopting a mobile bracelet, belonging to the intelligent household field. The invention is a system which is ordered in structure and is obtained through combination and mutual interaction of various electronic function modules, and provides an intelligent adjustable environment to the people and other animals The intelligent household audio-video mixing collection device comprises a voice order collection unit, a hybrid power supply power supply device, a central processor, and a video monitoring unit, wherein the video monitoring unit comprises a simulation camera, a video A/D converter, an FPDG processor, and a DSP processor which are successively connected; the FPGS processor is connected to an SRAM1 storage device and an SARM0 storage device; the DSP processor is connected to the video A/D converter through an I2C bus; the DSP processor is connected to a storage device; and the voice order collection unit, the hybrid power supply power supply device, and the video monitoring unit are connected to the central processor.

The invention discloses a structure for anti-floating constraint of a honeycomb core. The structure comprises a frame body connected with a floor reinforcement mesh, a compressing rod with the upper end being connected with the frame body, and a pressing plate placed on the upper surface of the honeycomb core. The frame body comprises vertical rods and a cross beam; the vertical rods each comprise a connecting seat and a vertical column; inner thread holes are formed in the connecting seats; the lower ends of the vertical columns are connected with the inner thread holes in a threaded mode; the cross beam penetrates through the upper ends of the vertical columns by means of through holes formed in the cross beam; and the vertical rods further comprise second thread nuts connected at the upper ends of the vertical columns in a threaded mode, and the lower end faces of the second thread nuts make contact with the upper surface of the cross beam. Partial parts of the structure can be recycled, meanwhile, anti-floating constraint of the honeycomb core can be achieved, operation is convenient, and the influence on concrete pouring in the later period is less.

The invention provides a full-shoulder type nylon baffle seat, and belongs to the technical field of track locking. The full-shoulder type nylon baffle seat comprises a baffle seat body, wherein two end head dead walls are respectively arranged at two ends of the baffle seat body; the cross section of an outer surface of the baffle seat body forms an obtuse angle; the cross section of the inner surface of the baffle seat body forms a circular arc; the circular arc is overlapped to form an arc surface; combined fixing elements in a wedge structure are detachably fixed to the inner sides of the end head dead walls, the lower surfaces of the combined fixing elements are attached to the arc surface of the baffle seat body, one side surfaces of bodies of the combined fixing elements are detachably fixed to the inner sides of the end head dead walls, and the other side surfaces of the bodies of the combined fixing elements are in contact with the baffle seat. According to the full-shoulder type nylon baffle seat, disclosed by the invention, baffles in different shapes can be effectively mounted and fixed, after the baffle is mounted on the baffle seat, the displacement of the baffle in the direction of a track is avoided, and the service life of the baffle is prolonged.

The invention relates to the field of switch control and particularly relates to an intelligent switch. The intelligent switch comprises a mounting bottom plate installed on a wall surface, a switch panel fixed on the mounting bottom plate, a cover of the switch panel, a circuit contact component arranged in the switch panel, a pressing member for contacting the circuit contact component, and a disinfecting mechanism arranged in the switch panel. The mounting bottom plate is square, and fixed holes are formed at four corners of the mounting bottom plate. The fixed holes are internally providedwith fasteners for fixing the mounting bottom plate. Each of the fasteners comprises a bolt column and two nuts matched with the bolt column. The two nuts are uniformly provided with a plurality of bolt holes, the bolt holes are internally provided with small bolts matched with the bolt holes, and the upper and lower end faces of the nuts are uniformly provided with anti-slip grooves. According to the scheme, the problems of inconvenient installation and disassembly of an existing switch, the looseness of the switch caused by vibration in pressing the switch and the disinfection of the switchare solved.