31results about How to "Play a role in stabilizing the connection" patented technology

The invention discloses a drill bit for a raise boring machine. The drill bit comprises a cutter plate, cutter bases, connecting shafts, hobbing cutters, supporting rods and supporting rotation assemblies. The cutter bases can rotate on connecting balls at the upper ends of the supporting rods, and in order to increase the stability that the cutter bases rotate according to a rock-breaking surface, the supporting rotation assemblies are added; the upper ends of telescoping sliding rods are slidably installed in connecting cylinders, and the lower ends of the telescoping sliding rods are slidably clamped into arc-shaped clamping sliding rails at the upper ends of connecting blocks through balls. In this way, the supporting rotation assemblies can achieve a connection stabilizing function and further achieve a guide rotation effect; the structural design is very smart. According to the drill bit, the balance of the cutter bases can be controlled by using driving elastomers in driving grooves, and the aim of stabilizing the structure is achieved.

The invention relates to the technical field of aluminum profile grinding and polishing, in particular to a rotation-based easy-to-adjust grinding and polishing device for aluminum profile production. The grinding and polishing device comprises a supporting device, a clamping device installed at the top end of the supporting device, lifting devices installed on the two sides of the top end of the supporting device, and a grinding device installed at the top ends of the lifting devices. The clamping device comprises a grinding cylinder, side plates are installed on the two sides of the top end of the grinding cylinder correspondingly, and a pair of baffles is connected between the two side plates. Screw rods are installed on the side faces of the baffles, and clamping arcs are installed on the side faces of the screw rods. Through the arranged grinding cylinder, when grinding and polishing are conducted, the two clamping arcs of the screw rods can get close to or away from each other by adjusting the screw rods, and therefore the grinding clamping size can be changed, and the adjustable function of the grinding and polishing device is achieved.

The invention belongs to the technical field of gears, and particularly relates to a gear. The gear comprises a gear body, wherein teeth are uniformly arranged on the gear body, sliding cavities are uniformly formed in the gear body, a partition baffle is arranged in each sliding cavity, sliding grooves are formed in the teeth, friction blocks are arranged in one sides of the sliding grooves, magnet layers are arranged at the bottom ends of the friction blocks, arc-shaped wear-resistant layers are arranged on the outer side surfaces of the friction blocks, the friction blocks are inserted intothe sliding cavities, the width of the bottom end of each friction block is equal to the distance between the corresponding partition baffle and the side wall of the corresponding sliding cavity, andthe other side surfaces of the partition baffles are in contact with standby blocks. According to the gear, the friction blocks and the standby blocks are arranged, the friction blocks and the standby blocks are correspondingly arranged in the sliding cavities, then the arranged friction blocks and the arranged standby blocks can be used for improving the wear resistance of the teeth, then the degree of abrasion between the teeth on the mutually meshed gears is reduced, and then the bending strength of the teeth on the involute gear and the meshing stability between the teeth are improved.

The invention relates to anti-cracking composite ceramic. The anti-cracking composite ceramic is prepared from a bottom-layer base material, a middle-layer base material and a surface-layer base material. According to the prepared anti-cracking composite ceramic, the base material is prepared by compounding three raw materials with different formulas, the bottom-layer raw material has good strength and corrosion resistance, the stability and the use strength of formed porcelain can be supported, the middle-layer base material has good connecting and complexing functions, the connection stability for the bottom layer and the surface layer is achieved, the surface-layer material has good strength and hardness and has a good adsorption effect on substances in a pigment, and the use stabilityof the material and the stability of the formed color can be effectively improved.

The invention discloses a flue gas waste heat recovery device with vertical low-resistance heat pipes. The flue gas waste heat recovery device with the vertical low-resistance heat pipes comprises a shell body, a thermal insulation plate and a plurality of heat pipes. The inner cavity of the shell body is separated into an upper shell body and a lower shell body by the thermal insulation plate. A heat exchanging medium inlet and a heat exchanging medium outlet are arranged at two sides of the upper shell body separately and a flue gas inlet and a flue gas outlet are arranged at two sides of the lower shell body separately. The plurality of heat pipes are installed on the thermal insulation plate in the way of arranging in rows in a staggered manner. Condensing ends of the heat pipes are located in the upper shell body and evaporating ends of the heat pipes are located in the lower shell body. High-density multi-layer and multi-row linear bending heat exchanging parts are arranged on the outer surfaces of the heat pipes. A flue dust outlet is arranged at the bottom of the lower shell body. According to the device, the high-density linear bending heat exchanging parts are arranged on the surfaces of the heat pipes and therefore the actual heat transferring areas of the heat pipes can be greatly improved, so that the heat transferring effect of the heat pipes can be greatly increased, the heat transferring capacity of the heat pipes can be greatly improved and furthermore the heat exchanging efficiency of the device can be improved; moreover, the flue dust in the flue gas is discharged from the flue dust outlet, so that the problem can be effectively avoided that the flue gas outlet is blocked by the flue dust in the flue gas.

The invention discloses an intelligent building fire-fighting warning and escape device. The intelligent building fire-fighting warning and escape device comprises a fixing plate and a fixing unit. A first circular groove is formed in the upper end of the front side of the fixing plate, and an acousto-optic rotating warning lamp is connected into the first circular groove in a matched mode. The fixing unit comprises a first square groove, two sliding plates, a supporting block, a rack and a power assembly, wherein the first square groove is formed in the upper end of the fixing plate in the left-right direction and communicates with the first circular groove, and the two sliding plates are slidably connected to the left end and the right end of the interior of the first square groove correspondingly; the left end of the lower side of the sliding plate at the left end is fixedly connected with one end of a rack through a supporting block, the two racks are driven to slide relatively under the action of a power assembly, and the two sliding plates are driven to slide relatively in the first square groove through relative sliding of the two racks. And the two sliding plates are close to each other, so that the acousto-optic rotary warning lamp is clamped and fixed.

The invention relates to a portable toolbox foot stool mounting structure. The portable toolbox foot stool mounting structure comprises supporting foot mechanisms used for being installed at the corner positions of a toolbox body, wherein each supporting foot mechanism comprises a bottom face supporting component and a connecting foot plate, each connecting foot plate comprises two attaching positioning plates which are integrally formed into an L-shaped structure and abut against the two faces of the corner of the toolbox body correspondingly, the two attaching positioning plates define an inner corner groove for placing the corners of the tool box body, a positioning pin extending into the inner corner groove is fixed to one attaching positioning plate, so that when the attaching positioning plates are attached to the face of the corners of the tool box body, the positioning pins are inserted into positioning holes in the face of the corners of the tool box body to achieve positioning, the two attaching positioning plates are provided with connecting holes leading to the inner angle grooves, hand screws are inserted into the connecting holes, the outer edges of the two attaching positioning plates are turned over inwards and extend to form turned-over edges, and the turned-over edges are provided with cut-off ends capable of supporting the bottom of the tool box body. The mounting structure has the advantages of convenience and rapidness in disassembly and assembly and stability in supporting.

The invention belongs to the technical field of kitchenware and particularly relates to a partition board for drawer partition. The partition board for drawer partition comprises a board body, two ends of the board body are provided with connection grooves, two corresponding inner sides of the connection grooves are provided with a plurality of concave grooves in parallel, and the other inner side of each connection groove is provided with projections. The partition board for drawer partition has advantages that movable assembly between the partition board and a drawer can be realized, and the position of the partition board in the drawer can be adjusted freely.

The invention discloses a smoke-waste-heat recovery device with a perpendicular low-resistance cooling system. The smoke-waste-heat recovery device with the perpendicular low-resistance cooling system comprises a dust remover, a desulfurizing tower, an air drawing machine and a chimney, wherein the dust remover, the desulfurizing tower, the air drawing machine and the chimney are sequentially arranged on a boiler smoke discharging pipe. The perpendicular low-resistance cooling system is arranged on a smoke discharging pipe between the dust remover and the desulfurizing tower, and comprises a hollow heat dissipation column, and a refrigerating agent is put inside the heat dissipation column. According to the smoke-waste-heat recovery device, heat recovery, preheating of cold air of a boiler and preheating of softened water required by the boiler are achieved through a heat cycle pipe, the closed loop application of heat energy is really achieved, and the energy utilization rate is increased.

The invention discloses a circulation water cooling device with a vertical low-resistance cooling system. The circulation water cooling device comprises a to-be-cooled element, a first cooling device, a second cooling device and the vertical low-resistance cooling system, wherein the first cooling device comprises a first circulation pump and an air cooler, the second cooling device comprises a second circulation pump and an ice storage device, and the inner cooling water passing the first cooling device of the vertical low-resistance cooling system exchanges heat with the outer cooling water passing the second cooling device of the vertical low-resistance cooling system. The circulation water cooling device has the advantages that water consumption during the operation of the cooling device is avoided, water is saved, and the defect that a cooling tower is high in water consumption is overcome; when the energy consumption of the cooling device is low at night, ice energy storage is performed by the ice storage air conditioning equipment, the energy stored by ice is released in the daytime, and power load is evenly distributed.

The invention relates to a preparation method for novel functional ceramics. The preparation method comprises the following steps of (1) preparing a bottom-layer base material; (2) preparing a middle-layer ceramics body; (3) preparing a surface-layer ceramics body; (4) carrying out laminating, preparing a blank and carrying out forming; and (5) carrying out sintering and forming. According to thepreparation method, a composite structure is adopted to prepare the ceramics, so that the use amount of zirconium and aluminum oxide is reduced, the cost is lowered, and the ceramics has good strength.

The invention discloses a rapid hardening furnace with a perpendicular low-resistant cooling system. The rapid hardening furnace with the perpendicular low-resistant cooling system comprises a vacuum system, a vacuum furnace and a crucible, wherein the vacuum furnace communicates with the vacuum furnace, the crucible is located in the vacuum furnace, a first cooling device is arranged in the bottom of the crucible, cooling circulating water is introduced into the first cooling device, the perpendicular low-resistant cooling system is arranged out of the vacuum furnace, and the first cooling device communicates with the perpendicular low-resistant cooling system through a cooling water channel. By combined use of the first cooling device and the perpendicular low-resistant cooling system, the rapid hardening furnace is uniform in speed and fast in speed, and a water resource is saved.

The invention discloses a boiler waste heat recovery system with a vertical low-resistance cooling system. The boiler waste heat recovery system comprises a boiler, waste heat recovery equipment, a flue gas treatment device and a steam tank. The waste heat recovery equipment comprises a cyclone dust collector, a heat exchange assembly, a first heat exchange tube, a second heat exchange tube and a heat exchange water tank. A first circulating pump is arranged between the heat exchange assembly and the first heat exchange tube. The heat exchange assembly, the first heat exchange tube and the first circulating pump form a refrigerant circulation loop. A first induced draft fan is arranged between the cyclone dust collector and the second heat exchange tube. An air inlet pipe of the cyclone dust collector communicates with a boiler flue gas outlet, and an air outlet pipe of the cyclone dust collector communicates with an air inlet of the second heat exchange tube through the first induced draft fan. An air outlet of the second heat exchange tube is connected with the flue gas treatment device through a second induced draft fan. High-density multi-layer and multi-row wire-shaped bent heat exchange pieces are arranged on the surface of the middle of the second heat exchange tube. The boiler waste heat recovery system is better in heat exchange effect and higher in waste heat recovery rate.

The invention discloses a high-voltage switch ultralow-temperature protection device, and relates to the technical field of electric power, and the high-voltage switch ultralow-temperature protection device comprises a main body, the upper end of the main body is provided with a ventilation device, the upper end of the ventilation device is provided with an adjusting device, the front end of the adjusting device is provided with a controller, and one side of the ventilation device is provided with a protection device. A protection assembly is arranged on one side of the protection device. Under the combined action of the fixing band, the electric tracing band, the stainless steel band, the heat preservation material, the heating box, the heat conduction pipe, the heating wire and the temperature sensor, the high-voltage switch can normally operate in an ultralow-temperature environment and cannot be affected by temperature, a protective layer is additionally arranged on the surface of the high-voltage switch, the insulation effect can be achieved, and the service life of the high-voltage switch is prolonged. And cold air is prevented from entering the high-voltage switch, the lead screw rotates to drive the translation block on the lower portion to be far away, so that the ventilation opening is opened, and along with rotation of the vertical rotating shaft, air enters the ventilation opening, passes through the ventilation cavity and is discharged towards the cavity, and air circulation is accelerated.

The invention discloses a connecting device and method for a connecting joint of a buckling restrained brace and an existing concrete beam. The device comprises a plurality of U-shaped steel plates, split bolts, a bottom sealing plate, anchoring bolts and a joint plate, wherein the U-shaped steel plates are arranged in the length direction of the existing concrete beam and an existing floor on theexisting concrete beam; the split bolts are used for fixing the U-shaped steel plates to the existing concrete beam; the bottom sealing plate is arranged on the lower surface of the existing concretebeam and welded to the U-shaped steel plates; the anchoring bolts are used for anchoring the bottom sealing plate to the existing concrete beam; and the joint plate is perpendicularly arranged on thelower surface of the bottom sealing plate. By adoption of the connecting device and method, reliable connection between the existing concrete beam and the buckling restrained brace can be improved.

The invention discloses a novel door-motor mounting structure. The novel door-motor mounting structure comprises a door-motor, a lintel and connecting pieces, wherein door-motor supports are welded tothe back face of the door-motor, and first round boss adding holes are formed in the door-motor supports; lintel supports are welded to the two ends of the lintel, second round boss adding holes areformed in the lintel supports, and the first round boss adding holes are correspondingly matched with the second round boss adding holes; and one ends of the connecting pieces are inserted into the first round boss adding holes in the door-motor supports and extend out of the second round boss adding holes in the lintel supports. The novel door-motor mounting structure has the advantages that thedoor-motor mounting height can be rapidly positioned, mounting is convenient, the door-motor and the lintel are hinged and fixed through the connecting pieces, connection is stable, noise is reduced,and operation stability and comfort are improved.

The invention relates to a high-stability copper red colored ceramic, which comprises a base material and a color material, wherein the base material is prepared from a base layer base material, a middle layer base material and a surface layer base material. The base material of the prepared high-stability copper red colored ceramic is prepared by compounding three types of raw materials in different formulas; the base layer raw material has high intensity and corrosion resistance; the stability and the use intensity of a formed porcelain can be supported; the middle layer base material has agood connecting complexing effect, and realizes a connection stabilizing effect between a bottom layer and a surface layer; the surface material has high intensity and hardness; a good adsorption effect is achieved on substances in the color material; the material use stability and the color stability can be effectively improved.