34results about How to "Improve the strength of its own structure" patented technology

The invention relates to a torsion sensing system based on a pressure strain material, in particular to a sensor for transferring torsional force or torque for detection in a large-load torsional force working environment. The torsion sensor provided in the invention comprises a center shaft and a sleeve, wherein grooves are formed at the circumference of the center shaft at intervals in the axial direction of the center shaft; a projection is formed between the adjacent grooves; connecting racks are alternately arranged on the projections; the center shaft is sleeved to the sleeve through the connecting racks; a fastening element is arranged on the sleeve so that the sleeve can be fixedly connected with the center shaft through the fastening element; a pressure strain material body is arranged in each groove and the two sides of the pressure strain material body are in contact with the walls of the groove, respectively; and one side of the pressure strain material body is fixedly connected to the projection. The torsion sensor provided in the invention is capable of bearing huge torsion and torque loads and keeping the consistency of forward and reverse torsion sensing signals, and is simple in structure and convenient for connection with a system to be measured. The torsion sensor is also especially suitable for the application fields requesting small structure size, high torsional strength requirement, and simple and convenient mounting.

The invention discloses a mobile overturn robot and a multistation overturn method thereof, and belongs to the field of robots. The mobile overturn robot comprises an overturn device, a transfer trolley, and a travelling rail. The overturn device is arranged on the transfer trolley. The transfer trolley transfers the overturn device to different processing stations to perform overturn operation along the travelling rail. The overturn device comprises a power mechanism, an orienteering mechanism, and a locking mechanism. The locking mechanism is used to fix a cylindrical member. The power mechanism comprises an oil cylinder and a pull rod. The pull rod is connected with the locking mechanism. The oil cylinder moves horizontally to drive the pull rod to pull the locking mechanism to overturn. The orienteering mechanism is used to control operation directions of the power mechanism. The mobile overturn robot can perform overturn operation on a workpiece on different stations, and satisfies fast-paced industrial production, and overturn is stable and production security is high.

The invention discloses a robot for concrete horizontal springback detection. The robot comprises a lifting mechanism with a vertical reciprocating linear degree of freedom; a three-dimensional movingmechanism which is fixed to the top of the lifting mechanism and comprises an x-direction linear module, a y-direction linear module and a z-direction linear module which are perpendicularly connected with one another; and a detection mechanism which comprises a digital display resiliometer fixed in parallel with the y-direction linear module and has moving degrees of freedom along x, y and z rectangular coordinate axis directions. The lifting mechanism further comprises a supporting mechanism, the top of the lifting mechanism is provided with a vertically-telescopic nesting column, the z-direction linear module and the nesting column are fixed in parallel, the digital display resiliometer faces the horizontal direction and deviates from the position where the nesting column is located, and the supporting mechanism comprises a rubber gasket located at the top of the nesting column. Stable support can be provided during the rebound test of the side facade of the building, the robot isstabilized by means of the friction force of the lower surface of the building and the detection efficiency is improved.

The invention provides a novel road washing vehicle with a powerful decontamination function. The novel road washing vehicle comprises a sweeping vehicle body. The vehicle body comprises a chassis, a clean water tank and a garbage can. A rolling brush assembly is arranged between a front shaft and a rear shaft of the chassis and located right in the middle of the chassis, and the width of the rolling brush assembly covers that of the whole vehicle body. A left rotatable disc brush assembly and a right rotatable disc brush assembly are symmetrically arranged behind the rolling brush assembly. A suction nozzle assembly is arranged behind each disc brush assembly. Water spray mechanisms are installed on the rolling brush assembly, the disc brush assemblies and the suction nozzle assemblies. The washing vehicle is used for forcibly washing and sweeping a relatively-dirty road surface, meanwhile, certain decontamination capacity is achieved, and the washing vehicle can be used for conducting emergency cleaning operation on a contaminated road surface and the surroundings of the contaminated road surface and can also be used as a common washing vehicle.

The invention discloses a water discharging seat for municipal roads.The water discharging seat comprises a water discharging seat body, a water seeping plate is mounted in the water discharging seat body and tiled on the same, more than one water seeping pipe is vertically mounted in the water seeping plate, a protecting cover is arranged on the upper surface of the water discharging seat body and is of a leftward-rightward-stretchable structure, a groove allowing the bottom of the protecting cover to slide in is formed in the water discharging seat body, a main water incoming pipe is arranged at a position, corresponding to the protecting cover, of the lower surface of the water discharging seat body and fixed on the water discharging seat body, an auxiliary water incoming pipe is arranged in the main water incoming pipe, and the top of the auxiliary water incoming pipe is arranged in a manner of penetrating the water discharging seat body.The water discharging seat can play a better role in discharging water, and water incoming and water discharging can be better realized; the water discharging seat is high in structural strength and has good seeping performance, water discharging quantity can be increased greatly, and influence on using circumstance of road surface due to too much accumulated water is avoided.

The invention discloses a sound absorption plate with a long service life. The sound absorption plate at least comprises combinations of polyester fibers, phenolic resin, polyamide resin and pine sawdust. The sound absorption plate has the advantages that components of materials for the sound absorption plate are improved, so that the sound absorption performance of the sound absorption plate can be regulated and improved; the materials are environmentally friendly, are free of pollution and are harmless to human bodies; the sound absorption plate is high in structural strength and excellent in flame-retardant performance and is low in smoke output in case of fire.

The invention relates to a stone-like coating and a preparation method thereof. The stone-like coating is prepared from the following raw materials in parts by weight: 8-30 parts of emulsion, 10-30 parts of natural sand, 2-20 parts of ash calcium powder and 20-50 parts of filler. The emulsion contains a polymer, and the glass transition temperature of the polymer is -15 DEG C to 60 DEG C. The emulsion is selected from VAE emulsion. The particle size of the natural sand is 70-100 meshes. The stone-like coating is very environment-friendly, a formed coating film very much like stone and is high in hardness, high in flatness, fine and smooth in touch feeling, good in adhesive force, smooth and clean in surface and full in sense organ, and the stone-like coating has a wide application prospect.

The invention relates to a grounding switch static contact and a straight swing plug-in grounding switch, and the grounding switch static contact comprises an upper cylinder part which is internally provided with a static contact finger, and a lower guide cover fixedly arranged at the lower end of the upper cylinder part; one end of the guide channel is an open end, and the other end is a closed end; an elastic buffer piece is arranged at the closed end in a protruding mode, and the elastic buffer piece is arranged towards the guide channel and used for being in elastic jacking fit with a moving contact entering the guide channel in a swinging mode so that the moving contact can be buffered and decelerated. When the moving contact swings to enter the guide channel and moves to the end of the guide channel, the moving contact is elastically pressed and matched with the elastic buffer piece, and the elastic buffer piece buffers, decelerates and stops the moving contact, so that the moving contact is conveniently inserted into the upper cylinder part along a straight line in the next step, and is electrically connected with the static contact arranged inside. The moving contact is buffered by using the elastic buffer member facing the guide channel, so that the elastic buffer member with a proper elastic coefficient can be selected conveniently, and the installation is relatively convenient.

The invention discloses an acoustic board for decorative building materials. The acoustic board at least comprises polyester fibers, polyamide resin, polyurethane resin and polyurethane. According to the scheme, the sound absorption performance of the acoustic board is adjusted and improved by improving material components of the acoustic board; the adopted materials are environmentally friendly, free of pollution and harmless to a human body, and the acoustic board is high in structural strength, excellent in flame retardant property and small in smoke discharge quantity when encountering a fire.

The invention belongs to the technical field of sliding rails, and particularly relates to a durable sliding rail convenient to use, which comprises a fixed rail, an extension frame is placed in the fixed rail, a mounting frame is fixed at the bottom end of the extension frame through welding, a rotating shaft is arranged on the side surface of the extension frame and the side surface of the mounting frame in a penetrating manner, and the side surface of the rotating shaft is sleeved with a pulley. One side of the pulley penetrates through the side wall of the mounting frame and is in contact with the inner wall of the fixed rail, and an auxiliary roller is erected on the side surface of the extension frame through a bracket; when the sliding rail is used, the auxiliary rolling wheels and the sliding wheels make contact with the inner side surface of the fixed rail, so that the extending frame keeps stable in the fixed rail, the reinforcing ribs improve the structural strength of the fixed rail, and the situation that the fixed rail deforms and influences use of the sliding rail is avoided; bristles of the brush at bottom end of slide rail body contact with the side surface of a chip removal slope, when the sliding rail body slides, chippings on the fixed rail are swept away through bristles of the brush, the situation that the chippings reach the interior of the fixed rail to cause insensitive movement of the sliding rail is avoided, and the service life of the sliding rail is effectively prolonged.

The invention discloses a method for manufacturing a motor mounting bracket. The method comprises the following steps of: 1) preparing a support bottom plate; 2) preparing a bracket; 3) assembling andfixing the bracket; 4) assembling and fixing the support bottom plate; and 5) assembling and fixing the support bottom plate and the bracket. The motor mounting bracket is firm and reliable in structure, and the stability of a motor after being mounted is effectively improved; the whole motor mounting bracket is assembled by the support bottom plate and the bracket, and auxiliary positioning welding is carried out for welding of all parts of the bracket by adopting an auxiliary device, so that accurate positioning adjustment between an arc-shaped plate and end plates at two sides is effectively guaranteed, and the actual welding accuracy and quality are improved; all components of the support bottom plate are accurately positioned through blocks and grooves and then welded and fixed in amatched manner, so that the structural strength of the support bottom plate is guaranteed; and finally the bracket and the support bottom plate are combined and welded, so that the structural stability of the whole motor mounting bracket is effectively ensured, and the use performance of the motor mounting bracket is better.

The invention relates to the technical field of pavements, and discloses an anti-skid noise-reduction pavement containing a Novachip ultrathin wearing layer, the anti-skid noise-reduction pavement comprises a roadbed layer, a gravel layer, a reinforcing steel bar layer, a lime layer, a buffer layer, a cement layer, a waterproof layer, an asphalt layer and a wearing layer, the gravel layer is arranged on the upper surface of the roadbed layer, the reinforcing steel bar layer is arranged on the upper surface of the gravel layer, the lime layer is arranged on the upper surface of the steel bar layer, the buffer layer is arranged on the upper surface of the lime layer, the cement layer is arranged on the upper surface of the buffer layer, the waterproof layer is arranged on the upper surface of the cement layer, the asphalt layer is arranged on the upper surface of the waterproof layer, and the wearing layer is arranged on the upper surface of the asphalt layer. The inner portion of the wearing layer contains the ultrathin Novachip, and the ultrathin Novachip is formed by SBS modified asphalt in a spraying mode. The anti-skid noise-reduction pavement containing the Novachip ultrathin wearing layer has high structural stability, the waterproof performance and the anti-buffering performance of the pavement are improved, and the service life of the pavement is ensured.

The invention discloses a solar module box, which is integrally molded by using a metal material. The solar module box is provided with a bottom plate and side plates positioned on four sides of the bottom plate, wherein the bottom plate is rectangular; four corners are formed on junction surfaces of the lower edges of two side plates and bottom plate; and the corners are oblique planes. The solar module box is molded integrally by using the metal material, is an integral member, is free of welding lines, is prevented from being cracked due to cracking of the welding lines, and has the advantages of high strength and long service life. Moreover, the four corners of the module box body are oblique planes, so that a module box blank is prevented from being cracked and corrugated in a deep drawing process, and is easy to mold. Moreover, the bottom plate and the side plates are provided with a plurality of longitudinal and transverse reinforcing ribs connected with the bottom plate and the side plates, so that the planeness and wind load resistance of the bottom plate are increased, and the structural strength of the bottom plate and the side plates is enhanced greatly.

The invention relates to the technical field of building materials, in particular to a prefabricated building block. The prefabricated building block comprises a water permeable surface layer and support layers, wherein the support layers are polygonal prisms, the outer contour of the cross section of the support layers is orthohexagnal, and a plurality of first open holes are formed in the support layers and penetrate the upper and lower surfaces of the support layers, accordingly, the water-permeable function can be realized through the first open holes, and the water storage function can be realized by matching with the water-impermeable ground after installation. Rainwater can enter the first open holes in the support layers through the water permeable surface layer to be stored. When the water quantity is small, the stored water can keep a road in a wet state through evaporation, so that the probability of flying dust on the road is low, the specific heat of the road is increased, the surface temperature is reduced, and the heat island effect is relieved. The support layers are polygonal prisms, and the outer contour of the cross section of the support layers is orthohexagnal, so that when the road is assembled, tightness between the supporting layers is high, flatness is higher, the problem of uneven settlement of a foundation can be effectively solved, and the structure stability is maintained.

The invention discloses a large caterpillar crane floor board roadbed box which comprises a cross beam. Vertical beams are installed on the lower surface of the cross beam and are in threaded connection with the cross beam. The number of the vertical beams is two. The two vertical beams are arranged close to the two ends of the cross beam. H-shaped steel beams are installed on the inner sides of the two vertical beams and on the lower surface of the cross beam. The tops of the H-shaped steel beams penetrate the cross beam and are connected with the cross beam through steel hoops. The bottom of each H-shaped steel beam and the bottom of the corresponding vertical beam are located on a bottom board. A box body is installed between the two bottom boards. The top of the box body is arranged on the lower surface of the cross beam. One or more frameworks are vertically installed between the box body and the cross beam. The box body is of an inverted-U-shaped structure, and an opening of the box body is transversely connected with a caterpillar band. By the adoption of the large caterpillar crane floor board roadbed box, the construction efficiency can be improved to a certain degree, the construction convenience is enhanced, the structural strength of the box is high, damage is not likely to be generated, connection is tight, conveyance is convenient, the influences on construction activities are small, the floor reinforcing cost is low, and safety is quite high.

The invention belongs to the field of switch cabinets, and particularly relates to a switch cabinet. A handcart is used for bearing the circuit breaker; and one of the cabinet body side framework andthe handcart is provided with a track extending along the front-back direction, the other one is provided with support wheels arranged in parallel along the front-back direction, the track and the support wheels are in support fit along the up-down direction, and the handcart is suspended in the circuit breaker chamber. The handcart is suspended in the circuit breaker chamber through cooperation of the track and the supporting wheels, it is ensured that the handcart does not make contact with the bottom plate of the cabinet body, and if the track is arranged on the side framework of the cabinet body, the track does not make contact with the bottom plate of the cabinet body, and meanwhile the track can be stably supported by the side framework of the cabinet body. Even if the bottom surfacefor placing the switch cabinet is not flat, the track deformation is not caused, the height of the handcart in the circuit breaker chamber is not influenced, and the moving and static contacts between the circuit breaker and the switch cabinet can be ensured to be plugged in place after the handcart is pushed into the circuit breaker chamber.

The invention discloses a lifting body for a frame body splitting machine. The lifting body comprises a frame, an upper supporting claw mechanism and a lower supporting claw mechanism, the upper supporting claw mechanism is located on the upper part of the frame, and the lower supporting claw mechanism is located on the lower part of the frame. According to the lifting body, overall structural design is ingenious and reasonable, through the combined action of the upper supporting claw mechanism and the lower supporting claw mechanism, a breeding frame stack can be overall lifted, thus lower breeding frames are gradually separated from the upper breeding frame stack, stream line operation of breeding frame cocoon harvesting is more facilitated, thus whole operation is more automated, and the manual labor intensity is effectively lowered; and the lower supporting claw mechanism plays a main supporting role, the upper supporting claw mechanism plays an auxiliary supporting role, thus thewhole breeding frame stack is more stable in the lifting process, the phenomenon that only the bottom of the breeding frame stack is supported and lifted, and the upper part of the breeding frame stack is prone to shaking and toppling is avoided, thus the accident rate in the operation process is effectively decreased, and the operation process is safer and more reliable.

The invention discloses a water-blocking power cable, and relates to the technical field of power cables, the water-blocking power cable comprises a cable main body, the cable main body is internally provided with a waterproof layer, the waterproof layer is internally provided with a reinforcing support ring, and the outer wall of the reinforcing support ring is fixedly connected with an arc-shaped support elastic sheet. The inner wall of the arc-shaped supporting elastic piece is fixedly connected with a first bearing elastic piece, and a second bearing elastic piece is arranged above the first bearing elastic piece. According to the invention, external water is effectively prevented from entering the inner space of the filling material along the damaged part through the water absorption layer, the water blocking grids formed by the water stop strips are utilized to effectively avoid the water branch phenomenon, and the waterproof layer is utilized to further improve the waterproofness of the cable main body, so that the service life of the cable is prolonged. The plurality of guide cores are wrapped and integrated into a whole by the reinforcing support rings and the filler, so that the reinforcing support rings form a guide core protection layer, and the protection capability of the cable main body is further improved by using the arc-shaped support elastic sheets, the anti-cutting layer, the anti-cutting reinforcing rings and the like.

The folding type natural gas filter element is provided with a first axis, and the filter element comprises a plurality of folding units which are distributed around the first axis and are integrally formed; the folding unit comprises a first filtering layer; the second filter layer is formed on the first filter layer and is relatively close to the first axis side; the third filter layer is formed on the first filter layer and is relatively far away from the first axis side; in a non-filtering state, the second filtering layer and the third filtering layer can maintain that a first included angle with an opening facing the first axis is formed on one side, relatively close to the first axis, in each folding unit; a second included angle with an opening far away from the first axis is formed between every two adjacent folding units; in a filtering state, the second filtering layer and the third filtering layer can maintain the first included angle within a first preset range, and can maintain the second included angle within a second preset range. The folding type natural gas filter element has the advantages of being high in structural strength, not prone to deformation and capable of preventing non-uniform flow of the filter element due to natural gas extrusion.