91results about How to "Structural connection is stable" patented technology

The invention provides a cover plate component and a battery with the same. The cover plate component comprises a cover plate body, a cover plate connecting element and an electrode terminal, wherein the cover plate connecting element is provided with an electrode hole which runs through the cover plate connecting element; the electrode terminal passes through the electrode hole and then is in insulation sealing with the cover plate connecting element; the cover plate body is provided with through holed running through the cover plate body; the electrode terminal passes through the through hole and leads current out; the cover plate connecting element and the cover plate body are connected in a seal mode. Through the technical scheme provided by the invention, the production efficiency can be improved, the manufacturing cost can be lowered, especially, the yield is high, and the safety performance is good; meanwhile, the cover plate component provided by the invention is stable in structure connection, has good seal performance, and lays a foundation for the actual application and development of ceramic seal batteries.

The invention discloses a miniature drug dissolution oscillator for an emergency department. The miniature drug dissolution oscillator comprises an oscillator lower seat and an oscillating disc assembly; the oscillating disc assembly comprises a vibration transition plate and a fixture fixing frame; a multidimensional vibrating rod is arranged between the vibration transition plate and the fixturefixing frame; the fixture fixing frame is internally provided with a dissolution appliance locating plate; the oscillator lower seat is internally provided with a fixed placing plate; the fixed placing plate is provided with an ultrasonic vibration meter; an oscillation spring is arranged between the vibration transition plate and the fixed placing plate; an air supply device is arranged betweenthe fixed placing plate and the oscillator lower seat; the air supply device is connected with an air blowing cleaning part by an air supply pipe; the air blowing cleaning part is provided with an airblowing pipe; and the air blowing pipe fixedly passes through the fixed placing plate and the vibration transition plate. The miniature drug dissolution oscillator is stable in structural connectionand capable of realizing rotary oscillation of drug test tubes, increasing the drug dissolving and mixing efficiencies, cleaning and sterilizing a test tube clamping and fixing plate at regular time,reducing bacterium propagation and preventing a drug from being infected by bacteria.

The invention relates to an Y63-series special-type electric connector for high-speed rails, comprising a shell, an insulator and circular contact elements. The shell comprises a front shell and a back shell, the insulator comprises a front insulator and a back insulator, the front insulator is arranged in the front shell, more than one circular contact element is connected to the back insulator,and the back shell presses out the back insulator between the front shell and the back shell so that the part of more than one circular contact element, which is over the back insulator, is arranged in the front insulator. The front shell and the back shell are connected in series with the front insulator and the back insulator by central screw assemblies to form an electric connecting line with a vertical outside-line opening, and the circular contact elements with hermaphroditic structures, which are inserted on the back insulator, are matched, thus the electric connector has the advantagesof simple and compact structure, stability and firmness in connection, good sealing performance, high switched-on power performance and high safety, and is suitable for train control system responderunits of high-speed rails, underground railways and the like.

The invention discloses a novel industrial chain gear display stand, which comprises a vertical bar, a horizontal bar, a triangular bracket, a hook, a hanging block, a perforation, a clamping block, a handle, a bolt, a bolt hole, and a concave groove. The present invention is simple in structure and low in cost, because the triangular structure is relatively firm, so the two triangular brackets are connected to the vertical bar, which can effectively support the entire display rack and ensure safety; the horizontal bar is connected to the vertical bar with bolts, and there is a Concave groove, the block is stuck in the concave groove, and the block can move freely left and right in the concave groove, which ensures the practicality; the hook penetrates the perforation on the hanging block, and the hook on the upper side is bent and rests on the cross bar , the hook will not fall off; the bolt is equipped with a handle, which can be freely assembled and disassembled at any time, and the number of cross bars on the vertical bar can be adjusted according to actual needs, which ensures flexibility and operability; the entire display rack structure is firmly connected and easy to operate It is convenient, flexible and light, and has high applicability, and is worthy of extensive promotion and use.

The invention provides a novel embedded wire box and a construction method thereof. The novel embedded wire box comprises a wire box body and a fixed bracket; hollow columnar fixing pieces are horizontally arranged on two sides of the wire box body; opening ends, close to the wire box body, of the fixing pieces are sealed, and the other ends are opened; the fixing bracket comprises two parallel cross rods and a longitudinal rod; the longitudinal rod is fixedly connected with one end of each cross rod; the distance between the two cross rods is equal to the distance between the two fixing pieces; the shape of the cross rods are matched with that of the fixing pieces; ends, far from the longitudinal rod, of the cross rods extend into the hollow parts of the fixing pieces; the fixed bracket is connected with a wall column reinforcement framework; and the fixed bracket is matched with the fixing pieces on the wire box body to accurately fix the wire box body on the wall column reinforcement framework. The novel embedded wire box is stable in structure connection, is not likely to move, is easy to get materials, is simple and convenient to mount, is good in mounting effect after completion of construction, does not need secondary rework and repair, saves human resources, and shortens construction time.

The invention relates to the field of box folding equipment, in particular to a height positioning device and an automatic box folding machine. The height positioning device comprises a pressing plate, a telescopic mechanism and a microswitch for triggering the telescopic mechanism to operate, wherein the pressing plate is connected with the telescopic mechanism through an ejector rod, and the pressing plate pushes the ejector rod to trigger the microswitch by resistance, so that the telescopic mechanism drives the pressing plate to retreat. The height positioning device and the automatic boxfolding machine have the beneficial effects that the height positioning device is simple in structure and flexible in movement, the microswitch is triggered through the collision of the pressing plateand an obstacle, whether the pressing plate is in place or not can be accurately judged through the height positioning device, and the positioning accuracy is improved.

The invention belongs to the field of preparation of unmanned aircrafts, and particularly relates to a long-endurance aircraft. The aircraft comprises an orthohexagonal center plate, wherein the center plate comprises an upper center plate and a lower center plate; six ailerons are arranged and connected to six angles of the regular hexagon between the upper center plate and lower center plate; an upper inclination angle of 3-5 degrees is arranged between each aileron and the center plate; the end of each aileron is provided with a propeller; and propelling air generated by the rotating propellers flows to the outer side of the center plate. Since the ailerons simultaneously are connected at an anhedral angle of 3-5 degrees, the propelling air generated by the rotating propellers flows to the outer side of the center plate; and at this time, the lift force of the aircraft is inward, thereby saving the efficiency of the motor and prolonging the flight time.

The invention relates to the technical field of electronic atomization, in particular to an electronic atomizer which comprises a main machine, and the main machine comprises a shell, a matching slot formed in the shell, an electric control assembly arranged in the shell and located below the matching slot and a power source installed on one side of the shell and electrically connected with the electric control assembly. The atomizer comprises a shell, an oil storage cavity formed in the shell, an oil guide seat arranged in the shell and communicated with the oil storage cavity, an atomization assembly connected to the oil guide seat and a sealing base, the sealing base is provided with a first electrode, and the first electrode makes contact with the atomization assembly; the oil storage cotton and the oil guide cotton are fixed through cooperation of the first fixing elastic piece and the second fixing elastic piece, the atomization piece is also directly arranged on the second fixing elastic piece, and in the using process, structural connection is stable, installation is matched with the atomization piece, oil guide is stable, and the atomization effect is good.

A wood-plastic window frame is characterized by comprising horizontal section bars (1) and longitudinal section bars (2) which mutually perpendicular to each other, wherein each of the horizontal section bars (1) and the longitudinal section bars (2) include two-layer structures, wooden core layers (11 and 21) and wood-plastic coating layer (12 and 22), and tenon-and-mortise connecting structures are arranged the ends of the horizontal section bars (1) and the ends of the longitudinal section bars (2) and are integrally formed by the wooden core layers. The wood-plastic window frame is simple in structural connection, does not need additional matched hardware, is firm in structure, convenient to dismount, low in cost and long in service life. In addition, the wooden core portions are coated with a wood-plastic composite material, the wooden core portions can be protected against moisture absorption and deformation, and the tenon-and-mortise structures are easily processed for the wooden core portions, connection is simple, convenient and firm, the whole window frame is higher in bonding strength and does not easily deform, and the service life of the window frame is also prolonged.

The invention relates to a relay ceramic shell for an energy-saving car. The relay ceramic shell is formed by welding a shell body and a cover plate. The cover plate is welded to the bottom of the shell body, the shell body is hollow, and two coil clamping openings are formed in the top face of the shell body and are formed in the left side and the right side of the top face respectively. Copper foil clamps are clamped on the inner wall of the shell body and arranged on the front side and the rear side of the inner wall of the shell body. The length of the copper foil clamps is smaller than the height of the interior of the shell body, and a clamping table structure is formed. A metal layer is arranged on the outer layer of the shell body. The relay ceramic shell has the advantages that the length of the copper foil clamps is reduced, the clamping table structure can be formed, and structural connecting stability is guaranteed; the copper foil clamps are designed to be of a clamped structure and can be replaced anytime, the situation that after the copper foil clamps are damaged due to high temperature, abrasion and vibration, the whole relay shell cannot be used is avoided, and the relay shell can continue to be used simply by replacing the copper foil clamps; the metal layer is arranged on the outer surface of the shell body, so that the shell body is firmer, and the heat resistance and abrasion resistance of the shell body are improved.

The invention relates to a carton gripping experiment device for simulating the handling of a hydraulic forklift. The carton gripping experiment device is characterized in that a left gripping arm unit and a right gripping arm unit are symmetrically mounted on two sides of a vertical supporting frame, a left gripping arm and a right gripping arm are respectively mounted on the vertical supporting frame under the horizontal guide of a left gripping arm guide beam and a right gripping arm guide beam arranged at the rear end parts of the left gripping arm and the right gripping arm, the left gripping arm unit and the right gripping arm unit of a gripping arm mechanism can be respectively driven by a hydraulic driving unit to move toward or away from each other along a horizontal straight line, and the hydraulic driving units are connected to a control unit. The design of the carton gripping experiment device is scientific and reasonable, the lifting and gripping functions of a hydraulic forklift can be actually simulated, parameters, such as gripping distance and a gripping force value of the gripping arms and stack height, can be acquired by the control unit in the process of gripping, operation is intelligentized, time and labor can be saved, moreover, test data are accurate and reliable, and the carton gripping experiment device has guiding significance for actual production.

The invention provides a cutting device used for round glass furniture and relates to the field of glass cutting equipment. The cutting device used for the round glass furniture comprises an operationtable; supporting frames are arranged on the left side and the right side of the operation table; friction blocks are fixedly installed on the left side and the right side of the operation table; theside, away from the operation table, of each friction block is connected with the inner side of the corresponding supporting frame; and a buffering device is arranged at the bottom of the operation table. The cutting device used for the round glass furniture can achieve efficient adjustment of the cutting diameter of a cutter in the horizontal direction, the structure connection is stable, the looseness phenomenon is not likely to occur, the cutter is indirectly driven to cut glass in a motor rotation mode, the uniform cutting speed and stable cutting track functions are kept, the slit precision and quality are ensured, the rate of finished products is improved, the manual cutting mode is avoided, the cutting depth accuracy is effectively ensured, and the one-time cutting shaping rate isensured.

The present invention proposes a sewing device for a bamboo strip curtain made of bamboo winding products, which includes a stand on which a workbench is fixed, and the workbench is divided into a stacking part, a sewing part, a counting part and a winding part, each The parts are arranged and fixed on the workbench according to the above order. The stacking part constitutes a long table top, and one of the short edges is close to the sewing part. The sewing part includes a sewing machine. The stroke length of the moving part is greater than the length of the bamboo strip curtain, and the counting part includes a length counter, and the length counter is in contact with the sewn bamboo strip curtain, and the bamboo strip curtain passes through the counting part and is wound into the winding part. This structure proposes the method of splicing bamboo strip curtains by stitching. Compared with the adhesive method, the structural connection is firm, the influence of the elasticity of bamboo strips is eliminated, and it is suitable for the processing of bamboo strip curtains of various thicknesses. The efficiency is greatly improved and time-consuming few.

The invention discloses a packaging bag evaporator for vacuum evaporation of compressed food. The evaporator comprises a heating medium outlet, a material outlet, a scraper, an evaporation cylinder, a heating medium inlet, a heating steam sleeve, a material inlet, a demister, a conduit, a condenser, a vacuum pump, an air outlet, a liquid storage tank and a liquid conveying pump. Structures of the evaporator are firmly connected, after a feed liquid is heated by steam and demisted by the demister, gas is converted into a liquid under cooling of the condenser, and the liquid is stored and can be recycled, so that a large amount of water is saved, and energy-saving and environment-friendly effects are realized; heating media enter the evaporator through the heating medium inlet, the heating speed is effectively increased, evaporation time is saved, and the production rate is increased; the vacuum pump pumps air in the evaporator out to create a vacuum environment, and the evaporator is applicable to non-direct contact evaporation; the scraper is arranged on the heating steam sleeve, the liquid is evaporated and concentrated quickly under the actions of gravity, centrifugal force and rotation of the scraper, and the practicality is guaranteed; the evaporator is high in evaporation speed, energy-saving and environment-friendly.

The invention provides a thermal insulation type high-speed rail train window aluminum alloy profile which comprises a middle frame. The middle frame comprises a first profile body, a second profile body, a first thermal insulating strip and a second thermal insulating strip, and the first profile body comprises a first aluminum plate and a second aluminum plate which are connected through a third aluminum plate and a fourth aluminum plate; the second profile body comprises a fifth aluminum plate and a sixth aluminum plate which are connected through a seventh aluminum plate and an eighth aluminum plate; the side, far away from the sixth aluminum plate, of the fifth aluminum plate is provided with a first vertical plate and a second vertical plate, the other end of the first thermal insulating strip is connected with the first vertical plate in a matched mode, one end of the second insulating strip is connected with the second aluminum plate in a matched mode, and the other end of the second insulating strip is connected with the second vertical plate in matched mode. By means of the thermal insulation type high-speed rail train window aluminum alloy profile, transfer of heat between the profile bodies is effectively prevented, the heat can be completely isolated, the sound insulation effect is good, the strength of an aluminum alloy profile frame is high, denaturation is not prone to occurrence, and structural connection is firm.

The invention provides an atmosphere lamp which comprises a bottom shell and a top shell which are matched with each other, and a light-transmitting strip is arranged at the joint of the outward sideof the bottom shell and the outward side of the top shell; a first limiting block and a second limiting block are arranged on the side, close to the light-transmitting strip, of the bottom shell. A lamp bracket is mounted at the first limiting block and the second limiting block in a clamping manner; the lamp bracket extends in the length direction of the light-transmitting strip. A mounting groove is formed in the top of the lamp bracket, a lamp tube is mounted in the mounting groove, a light hole is formed in the bottom of the lamp bracket, the light hole is communicated with the mounting groove and extends in the length direction of the lamp bracket, and light generated by the lamp tube irradiates outwards through the light hole and the light-transmitting strip; the structure is novel,the assembling is convenient, the production efficiency is improved, and the production cost is reduced.

The invention discloses a bolt assembly for installation in a narrow space and an installing method thereof. The bolt assembly is used for connecting a to-be-connected body with an external component.The to-be-connected body and the external component are each provided with a hole for connection. The hole of the to-be-connected body expands towards two sides in the first direction to form a special-shaped hole. The bolt assembly comprises a bolt, a clamping piece and a nut screwed on a threaded rod of the bolt. The clamping piece is provided with an opening and sleeves the threaded rod. An end plate of such a shape of the bolt is suitable for penetrating through the special-shaped hole and can rotate to be staggered from the special-shaped hole and limited to the special-shaped hole afterpenetrating through the special-shaped hole. The shape of the clamping piece is the same as the shape of the special-shaped hole. The end plate is provided with a bayonet. The clamping piece is clamped by the bayonet when the end plate rotates to be limited to the special-shaped hole. The bolt assembly is suitable for bolt connection through operation on one side when limited by an operation environment, and can be widely suitable for steel structure construction and projects in sealed spaces.

The invention relates to the technical field of electronic atomizers, in particular to an atomization device and an electronic atomizer, the atomization device comprises an oil guide fixing base, a first fixing elastic piece, a second fixing elastic piece and an atomization piece, and fixing buckles are arranged on the two sides of the oil guide fixing base; the first fixing elastic piece is provided with a first fixing clamping groove, the first fixing clamping groove is clamped to the fixing buckle, the first fixing elastic piece is provided with a first fixing cavity, and the first fixing cavity is provided with oil storage cotton; the second fixing elastic pieces are provided with second fixing clamping grooves, the second fixing clamping grooves are clamped to the fixing buckles and attached to the first fixing clamping grooves, second fixing cavities are formed between the second fixing elastic pieces, the second fixing cavities are provided with oil guiding cotton, the oil guiding cotton is attached to the oil storage cotton, and the second fixing elastic pieces are located on the lower sides of the oil guiding cotton and provided with mounting brackets. The atomizing sheet is arranged on the mounting bracket and is attached to the oil guide cotton; the structure is stable in connection, the wafer heating body acts on the atomization piece, and the service life is long.

The invention provides product transporting and packaging equipment for brickyard production and relates to the technical field of brickyard production. The product transporting and packaging equipment for brickyard production comprises two conveying racks. Supporting columns are fixedly connected to the bottoms of the two conveying racks, a plurality of rotating shafts are rotatably connected tothe two conveying racks, driving rollers and driven rollers are rotatably connected to two of the rotating shafts, separately, and first motors are arranged in positions of one sides, close to the driving rollers, of the bottoms of the two conveying racks. As an arranged packaging box structure is matched with a segmental support, the equipment can perform stable packaging work. By means of an arranged clamping rack structure, the equipment is good in structural stability when brick fragments are packaged, so that the packaging quality is ensured. Meanwhile, by arranging a movable rack structure, a positioning block and structures of a contact, a displacement sensor and a controller in a fit manner, the equipment can precisely promote the packaging work uniformly and stably, so that the precision of a packaging position is guaranteed.

The invention provides a fire needle treatment instrument for treating vitiligo, and relates to the technical field of acupuncture treatment. The fire needle treatment instrument for treating vitiligo comprises an operation frame, a movable groove is formed in the operation frame, a positioning block and a movable block are arranged in the movable groove, an operation rod fixedly connected with the movable block in a nested mode is arranged in the operation frame, the operation rod is slidably connected with the positioning block in a nested mode, and the movable block is fixedly connected with the operation rod. A first spring nested on the operating rod is connected between the positioning block and the moving block, an adjusting frame is fixedly connected to one side of the outer surface of the operating frame, and an adjusting groove is formed in the adjusting frame. Through the arrangement of the structure of the operation frame and the positioning frame, the needle inserting work of the fire needle can be conveniently carried out, the whole structure is stable in connection, convenient in butt joint, convenient to disassemble, capable of being conveniently stored, high in safety and good in stability during use, and convenient and stable positioning needle inserting work can be carried out.

The invention provides intelligent rice noodle packaging equipment, and relates to the technical field of rice noodle production. The intelligent rice noodle packaging equipment comprises a first conveying device, a second conveying device arranged at one end of the first conveying device, a packaging conveying device located between the first conveying device and the second conveying device, a cutting-off device located at one end of the second conveying device, a control device and an auxiliary device, the first conveying device comprises a conveying frame, and first rotating shafts are arranged at the two ends of the conveying frame. According to the intelligent rice noodle packaging equipment, rice noodles to be packaged can be stably conveyed through the arranged first conveying device, rice noodle conveying and packaging work can be automatically completed through cooperation of the second conveying device and the packaging conveying device, packaging and cutting-work can be automatically completed through the cutting-off device, intelligent control can be achieved through the control device and an infrared sensor, manual operation is not needed, time and labor are saved, resource waste is avoided, and production safety is guaranteed.

The invention discloses a protective fence mounting mechanism for municipal engineering, which comprises a middle fixing pipe, the left side and the right side of the middle fixing pipe are connected with a first movable stand column and a second movable stand column correspondingly, and an angle adjusting mechanism connected with the first movable stand column and the second movable stand column is installed on the middle fixing pipe; the outer ends of the first movable stand columns and the outer ends of the second movable stand columns are connected with protective fence structures, supporting moving structures are installed on the outer sides of the protective fence structures, and auxiliary adjusting structures are installed at the lower ends of the middle fixing pipes. The angle of the protective fence structure can be adjusted, so that a better protection effect can be achieved in the actual construction process of municipal engineering, the angle of the arched supporting plate can be adjusted along with the change of the angle of the protective fence structure, the supporting stability of the whole protective fence mounting mechanism can be guaranteed, the protection effect is further enhanced, and the practicability is high. And after use, the protective fence structure can be folded in parallel, so that the occupied space can be effectively reduced.

The invention discloses an anti-collision buffer energy-absorbing device for a side of a truck. The anti-collision buffer energy-absorbing device comprises a wave type energy-absorbing retainer plate, two energy-absorbing supporting filling barrels, tapered prism energy-absorbing supports and fixing plates. The wave type energy-absorbing retainer plate is far away from the outer side of a truck frame. The energy-absorbing supporting filling barrels act functions of fixing and connection in the middle and can absorb energy. The whole device is connected to the truck frame through the tapered prism energy-absorbing supports. The energy-absorbing supporting filling barrels are connected with the tapered prism energy-absorbing supports through the fixing plates. With the anti-collision buffer energy-absorbing device, when a small vehicle crashes into the side of the truck, more huge energy from the crash can be absorbed, initial peak stress of the crash of the small vehicle is decreased, the small vehicle is prevented from crashing into the bottom of the truck, and crash injuries of passengers in the small vehicle are reduced.

The invention discloses a detergent box with liquid recovery function, which comprises a box body, a side wall of the box body is fixedly connected with double joints, a liquid storage room and a liquid pump are fixedly installed in the box body, and the liquid storage room is divided by a separation plate A storage room and B storage room, the liquid pump includes a water pump and a water suction pump, and the double joint includes an A joint and a B joint. The A storage room, the water pump, the A joint and the spraying device are connected to form a spray pipeline. The water pump, the B joint and the liquid collection device are connected to form a liquid recovery pipeline. The cleaning agent box of the present invention is compact in structure and reasonable in structure design, and the spraying pipeline and the recovery pipeline can realize automatic communication, which helps to improve the cleaning efficiency of the cleaning robot and reduces the power consumption of the cleaning robot. At the same time, the volume of the cleaning agent box changes Small size, the connections of each structure are firm, the sealing is good, the liquid in the detergent box is not easy to leak, and it can adapt to the cleaning of the cleaning robot at various angles.

The invention discloses a road surface thickness detection device for highway engineering, which comprises a supporting frame, a driving motor is connected to the surface of one end of the supporting frame close to the upper end, a first fixing frame is connected to the surface of one end of the supporting frame at the lower end of the driving motor, and a supporting plate is fixedly mounted on the surface of one end of the supporting frame close to the bottom end. According to the road surface thickness detection device for highway engineering, the pavement thickness detection device is stable in structural connection, exquisite in structure and reasonable in design, a user can mount and dismount the pavement thickness detection device by himself / herself without the help of professionals, the whole operation process is simple and easy to operate, and the pavement thickness detection device is very convenient to popularize and use; and through the arrangement of the driving motor structure and the cooperation of the fixing and supporting damping structure, accurate detection of the pavement thickness can be ensured, measurement errors caused by other factors are reduced, and accurate measurement data can be obtained after a core sample is taken out.

The invention discloses an automatic paper sheet paging device for teaching. The automatic paper sheet paging device for teaching comprises a machine frame, a paging mechanism and a transporting mechanism, wherein the paging mechanism comprises an operating platform, a rolling module which is arranged on the operating platform and used for enabling paper sheets to move at a uniform speed on the operating platform, and a speed adjusting module which is arranged on the operating platform and used for enabling the paper sheets to move at a variable speed on the operating platform; the transporting mechanism comprises a transporting platform which is connected with the operating platform, wherein the transporting platform comprises a driving pulley and a driven pulley which are located at twoends of the transporting platform, and a conveyor belt which is arranged on the external peripheral walls of the driving pulley and the driven pulley in a sleeving manner; a material collecting assembly which is used for collecting paper sheets is arranged at one end of the transporting platform; a supporting assembly which is used for supporting the transporting platform and the operating platform is arranged at the lower end of the transporting platform; and a control box which is used for controlling the paging mechanism and the transporting mechanism is arranged on the operating platform.The automatic paper sheet paging device for teaching disclosed by the invention is simple in structure, convenient to use and high in paging efficiency, and a paper sheet repeating phenomenon cannotappear.

The invention relates to an equipment foundation with an elastic interlayer leveling piece and a manufacturing method thereof. The equipment foundation comprises a concrete cushion layer, a reinforcement cage, an anchor bolt, an anchor plate and a concrete body, and is characterized in that the elastic interlayer leveling piece is additionally arranged on the anchor bolt; the anchor plate is fixedly connected to the upper surface of an upper end plate tightly attached to the elastic interlayer leveling piece; a sealing washer is arranged at the bottom of an upper anchor bolt through hole of the upper end plate; and the concrete body comprises a primary pouring layer and a secondary pouring layer. The manufacturing method comprises the following steps of: (1) pouring the concrete cushion layer; (2) erecting a template, binding the reinforcement cage and mounting the anchor bolt; (3) pouring the primary concrete pouring layer; (4) mounting the elastic interlayer leveling piece and the sealing washer; (5) performing perforation plug welding, and fixing an angle steel elastic interlayer base plate of the elastic interlayer leveling piece; (6) fixing the anchor plate on the upper end plate through a fillet weld; (7) pouring the secondary concrete pouring layer; and (8) detaching the template. The equipment foundation has the advantages that the anchor bolt is prevented from being displaced and deformed, and the anchor plate is kept horizontal.

The invention relates to an underframe of steel bridge frame. The underframe comprises a supporting frame supporting the lower end face of the steel bridge frame, and the supporting frame comprises aplurality of parallel cross beams and a plurality of parallel vertical beams. The cross beams and the vertical beams re perpendicular, and sliding grooves in sliding connection with the vertical beamsare formed in the cross beams. Supporting columns in butt joint with the ground are arranged at the intersections of the cross beams and the vertical beams. The underframe is stable in overall structure connection, and the large steel bridge frame can be supported; and due to the fact that the vertical beams penetrate through the cross beams, the connecting mode is simple, the cross beams and thevertical beams can be transported to the site to be constructed, and the transportation efficiency can be improved by transporting the cross beams and the vertical beams separately.

The invention discloses a heating furnace for metal surface carburizing machining. The heating furnace comprises a containing table, wherein a furnace body is arranged at the top of the containing table; a furnace cover is arranged at the top of the furnace body; movable frames are arranged at the positions, located on the two sides of the furnace body, of the top of the containing table; a firstportal frame is fixedly connected to the position, corresponding to the furnace body, between the two movable frames; a first hydraulic cylinder is arranged at the inner top end of the first portal frame; and the driving end of the first hydraulic cylinder is fixedly connected with the center of the top of the furnace cover. In the heating furnace, through the arrangement of two portal frame structures, the operations of automatically, accurately and stably opening and closing the furnace cover as well as placing and taking workpieces can be realized; through the arrangement of an integrated structure, a furnace cover opening and closing structure and a workpiece placing and taking structure can be always kept at a distance, the situation of collision is avoided, and the stable occurrenceof damage is avoided; and meanwhile, the workpiece placing and taking structure is stable in operation and always located at the position away from the furnace body for placing and taking, and the safety of the workpiece placing and taking process can be guaranteed.