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69results about How to "Reasonable force structure" patented technology

Casting type coke production method and apparatus system used thereof

The present invention relates to a production method of foundry shaped coke and its equipment system for producing said foundry shaped coke. Said method includes the procedures of preparing material,pulverizing, cold stirring, hot stirring, forming and carbonization and coking, and its equipment system includes material-preparing chamber, pulverizing machine, cold stirring machine, hot stirring machine, forming machine and carbonizing furnace, etc.
Owner:商丘市普天工贸有限公司煤化工研究所

Novel prefabricated wall plate and building external wall assembled by same

The invention belongs to the field of buildings, and in particular relates to a novel prefabricated wall plate and a building external wall assembled by the novel prefabricated wall plate. The novel prefabricated wall plate comprises a wall plate steel framework, wherein the wall plate steel framework comprises main ribs, auxiliary ribs and reinforcement ribs; the auxiliary ribs are perpendicular to the main ribs; two ends of the auxiliary ribs are respectively connected with the upper main ribs and the lower main ribs; two ends of the reinforcement ribs are connected with the main ribs and the auxiliary ribs; panels are mounted on two sides of the wall plate steel framework; a heat preservation layer is arranged between the panels and is provided with a core material. According to the novel prefabricated wall plate and the building external wall assembled by the novel prefabricated wall plate, on the basis of the structure, the wall plate is light in weight, can preserve the heat and can be assembled, the transportation cost is saved, and the structure of the wall plate is stable, durable and reasonable; an external wall, which is assembled by the wall plate, of an industrial factory is strong in durability and bearing property.
Owner:包头市兼强轻型板业有限责任公司

Two-way operation grate-cleaning crusher

The invention relates to a two-way operation grate-cleaning crusher; a crushing transmission mechanism can be used for driving a two-way crush roller mechanism to move in the positive direction and the negative direction; the two-way crush roller mechanism comprises a roller body, two-way crush tooth holders and crush teeth; the roller body is provided with the plurality of two-way crush tooth holders; the outer end of each two-way crush tooth holder is symmetrically provided with two crush teeth; a bridge-type structure is adopted by a stand; the stand comprises an end beam and two intermediate beams; the two intermediate beams are respectively arranged at the two sides of the roller body, and are respectively provided with a shearing mechanism which comprises a shear knife; the positions of the shear knives correspond to those of the two-way crush tooth holders; and a shearing pair is formed by the shearing mechanisms and the two-way crush tooth holders. The two-way operation grate-cleaning crusher has the functions of two-way crush cleaning and efficient shearing, can automatically lubricate, prevents the accident caused by deorbit of equipment, can be used for efficiently cleaning all residues on a screening grate, and is reasonable in structure, high in reliability, simple in use, simple and convenient to maintain and long in service life.
Owner:HUNAN WANTONG TECH

Insulating fireproof decorating plate and production method thereof

InactiveCN101967877AWith ultra-thinWith ultra lightCovering/liningsEpoxyAdhesive
The invention discloses an insulating fireproof decorating plate comprising the following steps: (1) cutting the plate material in a factory; (2) cutting to form strip-shaped grooves at the four corners of the back surface of the cut plate material; (3) drilling the groove holes on the cut strip-shaped grooves; (4) clearing and drying the groove holes, locally coating epoxy structural adhesive on the metal-structure embedded hanging piece, and pushing the metal-structure embedded hanging piece into the inner sides of the groove holes, uniformly and flatly coating the epoxy-structure adhesive at the gaps of the metal-structure embedded hanging piece and the groove holes, and then using the polyurethane glue to uniformly coat the back surface of the plate material, wherein one end of the metal-structure embedded hanging piece is of an ''L'' shape of which one edge is thicker and the middle is provided with inner threaded holes adjustably connected to an external metal connection piece; the other end of the metal-structure embedded is of an ''I'' shape which is horizontally inserted in the reverse ''T'' shaped groove hole; (5) compounding the fireproof insulating plate on the plate material; and (6) flattening and compacting the plate material of the compounded fireproof insulating plate.
Owner:徐小勇

Industrial factory building outer wall and mounting process thereof

ActiveCN103993683AImprove performanceMeet its own strengthWallsThin walledWall plate
The invention belongs to the technical field of buildings, and particularly relates to an industrial factory building outer wall and a mounting process of the industrial factory building outer wall. The industrial factory building outer wall comprises a body structural stand column, supports, a prefabricated wallboard and a wallboard assembled on site, the four corners of the prefabricated wallboard are connected with the supports respectively, and the supports are connected with the body structural stand column. The prefabricated wallboard is connected with corner protection pieces, and the corner protection pieces comprise the upper corner protection pieces and the lower corner protection pieces. Displacement connecting plates of the upper corner protection pieces are connected with the upper support, and displacement connecting plates of the lower corner protection pieces are connected with the lower support. The mounting process of the industrial factory building comprises the steps of mounting the supports, the prefabricated wallboard and the wallboard assembled on site, the step of caulking and the like. The situation that the four corners of the wallboard are deformed due to the fact that thin wall type steel at the four corners of the wallboard is torn can be avoided under the condition that heavy hoisting equipment operates, the stress structure of the industrial factory building outer wall is made to be reasonable, and the overall force bearing performance is improved.
Owner:潘旭鹏

Crane and slewing bearing structure thereof

The invention discloses a slewing bearing structure of a crane. The structure comprises a support case, an inner cylinder, an outer cylinder, mounting plates and a cover plate. The end face of the support case is a connection board, and the bottom of the support case is a base plate. One end of the inner cylinder is welded with the base plate, and the other end of the inner cylinder is welded with the cover plate. One end of the outer cylinder is welded with the connection board, and the other end of the outer cylinder is welded with the cover plate. The mounting plates are symmetrically arranged in the support case, and the distance from the mounting plates to the inner cylinder is greater than the distance from the outer cylinder to the inner cylinder. As the distance from the mounting plates to the inner cylinder is greater than the distance from the outer cylinder to the inner cylinder, when the mounting plates and the inner cylinder are welded on the base plate of the support case, the welding deformation is reduced obviously. When the slewing bearing structure is applied with force, as the distance between the mounting plates and the inner cylinder is large, the base plate uniformly disperses the applied pressure, thereby realizing more reasonable bearing on the base plate. The invention also discloses a crane installed with the above slewing bearing structure.
Owner:HEFEI SMARTER TECH GROUP CORP

Hinge

The invention belongs to the field of hardware fittings of doors and windows and provides a hinge. The hinge is used for being installed on a door and window leaf and a door and window frame. The hinge comprises a gear and rack unit and an inclined draw bar. The gear and rack unit is installed on the door and window frame. A gear is installed on the door and window frame in a rotatable mode. A rack is located on one side of the gear. The gear is meshed with the rack. A gear installation portion is arranged on one side of the gear. The two ends of the inclined draw bar are installed on the door and window leaf and the door and window frame respectively. The door and window leaf can be smoothly opened and closed on the door and window frame through the gear and rack unit on the premise that the number of hinge parts is reduced, and the gear and rack unit can form a force arm outside the gear installation portion. A part of the weight of the door and window frame is borne by the gear installation portion, most gravity of the door and window can be counteracted by the force arm formed by the gear and rack unit, and therefore most of the weight of the door and window is greatly shared; in this way, the problems that an existing hinge is unreasonably stressed and prone to damage are solved.
Owner:SHENZHEN PASUR LTD CO

Medical dressing with sodium carboxymethylcellulose/polylactic acid sponge protection layer

A medical dressing with a sodium carboxymethylcellulose / polylactic acid sponge protection layer is provided with elastic webbing serving as base cloth (1), the base cloth is rectangular or is in a rounded rectangle shape, the inner face of the base cloth is coated with a mucilage glue layer (2), the protection layer (3) is stuck on the mucilage glue layer in the middle of the base cloth and is made of a sodium carboxymethylcellulose / polylactic acid sponge, the thickness of the protection layer is 1-2 mm, the protection layer is covered with separating paper (4), and the outer edge of the separating paper is fixed to the corresponding exposed part of the periphery of the base cloth. The medical dressing with the sodium carboxymethylcellulose / polylactic acid sponge protection layer is characterized in that a medical TPU film fixed on the outer side of the base cloth in a hot pressing mode serves as a reinforcing rib layer (5), the reinforcing rib layer is composed of X-type reinforcing ribs (5.1, 5.2, 5.3 and 5.4) and a boundary reinforcing rib (5.5), the boundary reinforcing rib (5.5) and the two long sides of the base cloth are crossed at the boundary points (5.51 and 5.52), the X-type reinforcing ribs are connected with the boundary points and the four corners of the base cloth to form two X types, the width of the reinforcing ribs is 5-10% of the width of the base cloth, and the thickness of the reinforcing rib layer is 0.1-0.5 mm.
Owner:TIANJIN PHARMACN MEDICAL TECH

Weighing force transmission mechanism of hanging scale

The invention relates to a weighing force transmission mechanism of a hanging scale, wherein a scale seat is of a box shape with an open front end face, in-flanges are arranged at the periphery of thefront end face of the scale seat, and the upper part and the lower part at the same side of the scale seat are provided with an upper bracket and a lower bracket which extend outwards; one side of aweighing sensor is arranged at the bottom of the scale seat by a fixing bracket, the other side of the weighing sensor is connected with a transfer rack, the lower part of the transfer rack is connected with a suspension shaft provided with a ball head at the bottom, a reverse ball hole joint at the top of a suspension arm is connected with the ball head of the suspension shaft, the suspension shaft and a hanger rod are arranged at the same side of the scale seat, a limit threaded rod passes through the transfer rack and the lower bracket and is rotatably connected with an upper stop nut and alower stop nut, the lower stop nut is arranged between the transfer rack and the lower bracket, the upper stop nut is arranged at the upper part of the lower bracket, an overload protection distanceAlpha exists between the upper stop nut and the upper end face of the lower bracket, and an underload protection distance Beta exists between the lower stop nut and the bottom surface of the lower bracket. The invention has compact structure and reasonable stress, and can fully protect the weighing sensor.
Owner:METTLER TOLEDO (CHANGZHOU) MEASUREMENT TECH CO LTD +2

High-reliability unmanned aerial vehicle landing gear extension and retraction system

The invention discloses a high-reliability unmanned aerial vehicle landing gear extension and retraction system, and belongs to the technical field of unmanned aerial vehicle design. The extension andretraction system includes a landing gear extension and retraction mechanism and a landing gear extension and retraction locking mechanism. The landing gear extension and retraction mechanism comprises a landing gear side plate and frame structure, a landing gear pillar and plane wheel assembly, a landing gear pillar extension and retraction rocker arm, a landing gear pillar extension and retraction actuating cylinder, a landing gear strut universal joint, an upper landing gear strut and a lower landing gear strut; and the landing gear extension and retraction locking mechanism comprises a landing gear down lock cylinder, a landing gear down lock triangle, a landing gear down lock bolt, a landing gear uplock shell, a landing gear uplock cylinder, a landing gear uplock bolt and a landing gear uplock hook. The landing gear extension and retraction system has the advantages of compact structure, reasonable force form, no driving force in a non-actuated state, and self-locking in a pressure-free extension state.
Owner:BEIHANG UNIV

Air landing device

An air landing device. In order to overcome the disadvantage of causing potential hazards to the users as a result of the unreasonable stress structure of the crankshaft of existing air landing devices which adopt a crankshaft and a speed limit piston, the present invention provides an air landing device, the technical scheme of which is that the gravity member is supported by a carrier; the carrier is fixedly connected with a rope; the rope is enwound on a winding disc; the winding disc is fixed on a rotation shaft; the rotation shaft is mounted on a bearer by a shaft base; a rotating member is disposed on the rotation shaft; a crankshaft is disposed on the rotating member; the crankshaft is connected with the piston rod of the speed limit piston; the speed limit piston is fixed on the bearer. The invention is characterized in that a supporting pedestal, which is muff-coupled on the outer side of the rotating member, is disposed; when rotating the rotating member, the inner surface of the supporting pedestal cooperates with the outer surface of the rotating member and the supporting pedestal plays a supporting role to the rotating member. The beneficial effect of the present invention is to provide a more reasonable stress structure of the crankshaft and ensure safe use.
Owner:何少敦

Damping device and treadmill

The invention discloses a damping device. The damping device comprises a stressing frame, a bearing rod, a first damper, a second damper, a folding rod, a bearing part and a bearing arm, wherein one end of the bearing rod is hinged to the stressing frame; the other end of the bearing rod is hinged to the first end of the first damper; the second end of the first damper is hinged to the stressing frame; an obtuse angle is formed between the bearing rod and the first damper; one end of the folding rod is hinged to the bearing rod or the first damper; the other end of the folding rod is connected with the second damper; one end of the second damper is connected with the stressing frame, and the other end of the second damper is connected with the folding rod; the middle part of the folding rod is connected with the bearing part; the bearing arm is arranged at one side, away from the stressing frame, of the first damper; one end of the receiving arm is fixed on the stressing frame, and the other end of the receiving arm is fixed in the middle of the folding rod. According to the damping device disclosed by the invention, the stress from one part of the stressing frame in the longitudinal direction is transferred to the transverse direction of the stressing frame, so that a maximum bearing force of the damping device is improved, and the device is favorably arranged to control a transverse stress; meanwhile, the longitudinal damping amplitude of the damping device is reduced.
Owner:杭州青马信息技术有限公司

Thin-stone combined heat-insulating decorative board, as well as production and mounting methods thereof

A thin-stone combined heat-insulating decorative board comprises a decorative stone board, an A grade fire-resistant heat insulating board, high-molecular inorganic sticking agent, an upper metal pendant assembly and a lower metal pendant assembly, wherein the high-molecular inorganic sticking agent is used for bonding between the decorative stone board and the A grade fire-resistant heat insulating board; Pi-shaped 45 degrees' chutes are formed in the upper end and the lower end of the decorative stone board respectively; the upper metal pendant assembly mainly comprises an embedded metal pendant, an upper part connection pendant, an expansion bolt mounted on the upper part connection pendant, and a bolt connected between the embedded metal pendant and the upper part connection pendant and used for fastening; the lower metal pendant assembly comprises an embedded metal pendant, a lower part connection inserting pendant, an expansion bolt mounted on the lower part connection inserting pendant, and a bolt connected between the embedded metal pendant and the lower part connection inserting pendant and used for fastening. The heat-insulating decorative board provided by the invention has the advantages that the structure is scientific, firm and shockproof; production and operation can be standard and factory-like; the stress structure is reasonable; the construction is convenient. Therefore, the heat-insulating decorative board is a comparatively ideal heat-insulating fire-resistant decorative material for exterior walls of buildings.
Owner:福建万龙金刚石工具有限公司

Self-propelled double-column drill carriage

The invention belongs to the technical field of drilling rig equipment, and proposes a self-propelled double-column drill carriage which is characterized by comprising a chassis. A travelling track isarranged below the chassis, the chassis is provided with a column, a guide rail is rotatably arranged at the middle of the column, a rotator is slidably arranged on the guide rail, the column includes a bottom pillar arranged on the chassis, the upper portion of the bottom pillar is connected with a pneumatic telescopic pillar, a first abutting seat is hinged to the top of the pneumatic telescopic pillar, rotating supporting rods are also rotatably arranged on the chassis, a rotating shaft of each rotating supporting rod is arranged in the horizontal direction, the length of the rotating supporting rod is larger than the distance between the chassis and the ground, the rotating supporting rod is telescopic and can be locked, the number of the rotating supporting rods is four, the rotatingsupporting rods are located at four corners of the chassis respectively, and a second abutting seat is hinged to one end of the rotating supporting rod far away from the chassis. According to the self-propelled double-column drill carriage, the problems that when a drilling rig is in drilling process, the chassis is instable easily and shakes, which results in a poor drilling effect is solved.
Owner:河北菲克森煤矿机械制造有限公司

Connecting joint structure for steel structure beam column

The invention discloses a connecting joint structure for a steel structure beam column. The structure comprises a steel structure column which comprises a plurality of layers of column bodies, wherein every two adjacent layers of column bodies are connected through a connection device; a steel structure beam which comprises a box girder; flange partition plates which are arranged at the end, connected with the steel structure column, of the box girder, wherein the flange partition plates comprise a plurality of partition plates which are continuously arranged in the circumferential direction of the section of the end of the box girder, and any partition plate extends outwards along the edge of the box girder; and a joint connecting mechanism which is arranged outside the connecting device in a sleeving mode in the circumferential direction of the steel structure column, wherein the joint connecting mechanism is connected with the steel structure column and the steel structure beam, and forms a closed space jointly formed with the joint connecting mechanism, the flange partition plates and the outer side wall of the steel structure column. The joint connecting mechanism is arranged between the steel structure beam and the steel structure column, so that the box girder can be directly connected with the joint connecting mechanism through the flange partition plates conveniently; the single-point stress of the steel structure beam is converted into the circumferential stress of the steel structure column while the connecting strength of the steel structure beam and the steel structure column is improved, so that the stress structure is optimized, and the stress stability is improved.
Owner:THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG

V-type duplex single-hanging point four-splitting suspension string

The invention relates to a suspension string used for electric power transmission lines and particularly relates to a V-type duplex single-hanging point four-splitting suspension string and which is suitable for increasingly high voltage levels, is anti-thunder and ensures the safe and stable operation of the power grid. The V-type duplex single-hanging point four-splitting suspension string comprises a four-hanging point four-splitting connection plate, two groups of suspension strings arranged in a V shape, an arcing horn I, an arching horn II, an arching ring I and an arching ring II. Each suspension ring comprises insulator chains formed by connecting insulators. One end of each insulation chain is connected with an iron tower cross arm, and the other end is connected with the four-hanging point four-splitting connection plate. The arching ring I and the arching ring II are matched with the arcing horn I and the arching horn II in use. The lead partition number is increased, and the V-type duplex single-hanging point four-splitting suspension string can be suitable for increasingly high voltage levels. The stress structure is reasonable, and the normal operation of the power transmission line is ensured. The length of the suspension ring is shortened, and the armour clamp and iron tower cost is lowered. The V-type duplex single-hanging point four-splitting suspension string is anti-thunder and suitable for two splitting, three splitting, four splitting, six splitting, eight splitting and the like.
Owner:JIANGSU SHUANGHUI FUTAI ELECTRIC

Double-plain wall reinforced glass steel tube and preparation process thereof

InactiveCN103982714AChange the force structureReasonable force structureRigid pipesPipePipe layer
The invention belongs to the technical field of the glass steel pipelines and specifically discloses a double-plain wall reinforced glass steel tube and a preparation process thereof. The following major technical scheme is adopted: the double-plain wall reinforced glass steel tube comprises an inner pipe layer and an outer pipe layer, the two of which are formed by winding a glass steel material, and a middle layer structure which is formed by use of a wound lightweight plate or a wound lightweight plate glass steel reinforcing rib is arranged between the inner pipe and the outer layer. The double-plain wall reinforced glass steel tube has the characteristics of reasonable structure, high strength, low weight and convenience in construction.
Owner:河北实力复合材料设备有限公司

Attached lifting scaffold guide rail

The invention relates to an attached lifting scaffold guide rail. The attached lifting scaffold guide rail comprises a slide member for being connected to a wall attached guide seat, a frame assemblymember for being connected to a frame body and a trapezoidal plate attached member connecting the slide member and the frame assembly member, the upper bottom edge of the trapezoidal plate attached member is fixedly connected to the frame assembly member, and the lower bottom edge of the trapezoidal plate attached member is fixedly connected to the slide member. The overall cross section of the attached lifting scaffold guide rail is designed of a trapezoidal structure, so that the overall force structure of the guide rail is more reasonable, the stability is better, deformation is not prone to occurring in the welding process, good linear precision can be ensured, and relatively large loads can be withstood; and by closing the ends of the "trapezoidal" structure, the guide rail can be integrally formed into a closed structure, so that the guide rail has better corrosion resistance and a longer life.
Owner:深圳市中升建科科技发展有限公司

Connected concrete prefabricate combined bin and building method thereof

The invention relates to a connected concrete prefabricate combined bin and a building method thereof and aims to solve the problem that traditional slip-form construction is quite high in cost and long in construction period. The connected concrete prefabricate combination bin comprises cylinders (1) and is characterized in that a bin top (2) is connected to the upper portion of each cylinder, each cylinder has an assembled structure, arc-shaped circumferential reinforcing steel bars A (4) and longitudinal reinforcing steel bars A (41) vertical to the arc-shaped circumferential reinforcing steel bars are arranged in a connecting part (3) between two adjacent cylinders, and the rest part of each cylinder is assembled by a group of arc-shaped prefabricated plates (5); the arc-shaped circumferential reinforcing steel bars (4) in the connecting part (3) between the cylinders and arc-shaped circumferential reinforcing steel bars (6) jointly form the circular circumferential reinforcement of the cylinders; cast-in-situ concrete is poured to assembling positions (7) among the arc-shaped prefabricated plates, vertical pouring channels (8) in the arc-shaped prefabricated plates, the connecting part between the cylinder and arc-shaped prefabricate plate joints to form a frame of reinforced concrete columns and beams from bottom to top, and the frame and the connecting part between the cylinders are jointly combined to form the combined bin.
Owner:刘全义

Driving device of mobile building brick kiln

InactiveCN104534870AIncrease horizontal spaceIncrease horizontal widthFurnace typesSprocketEngineering
The invention provides a driving device of a mobile building brick kiln. The driving device of the mobile building brick kiln comprises a motor, a reduction gearbox and a travelling wheel, the motor and the reduction gearbox are mounted at the outer side wall of the kiln body, the power is transmitted between the motor and the reduction gearbox through a belt, the power is transmitted between the reduction gearbox and the travelling wheel through a chain, the travelling wheel is mounted below the side wall of the kiln body through a support seat, the wheel shaft of the travelling wheel is fixedly connected with a driven chain wheel, the driven chain wheel is connected with the drive chain wheel at the end of the output shaft of the reduction gearbox through the chain. The driving device of the mobile building brick kiln is helpful for raising the yield of the brick for unit time while the transverse distance between two circular orbits is not changed, the field space is effectively used, the structure is simple, the operation is reliable and the service life is long.
Owner:CHONGQING DIZHOU ENG TECH

Multi-unit driven translation gate with tongue flaps

The invention discloses a multi-unit driven translation gate with tongue flaps. The translation gate comprises a gate chamber consisting of left and right gate piers and a gate baseplate, and a gate arranged between the left and right gate piers; left and right gate warehouses are respectively arranged on the outer sides of the left and right gate piers; access doors communicated with the left and right gate warehouses are formed in the left and right gate piers; a gate rail is transversely paved in the gate baseplate; two ends of the gate rail extend into the corresponding left and right gate warehouses, and are joined with access rails in baseplates of the left and right gate warehouses through arc rails; and the gate consists of multiple gate units with independent driving devices. The translation gate solves the problem of difficult satisfaction of the strength and the rigidity of a large-span gate, is more reasonable in stress structure, greatly reduces the engineering quantity and the construction investment compared with an integral large-span gate, meanwhile, solves the problems of no-water maintenance and difficult operation of the gate, and reduces the resistance in the gate opening and closing process.
Owner:YELLOW RIVER ENG CONSULTING

Supporting tool for tubular bus maintenance

The invention discloses a supporting tool for tubular bus maintenance. The supporting tool comprises a supporting assembly. The supporting assembly comprises a first supporting piece and a second supporting piece which are connected with each other; and one end of the first supporting piece is provided with a first groove used for being matched with an upper-layer tubular bus support, the other end of the first supporting piece is connected with one end of the second supporting piece, and the other end of the second supporting piece is provided with a second groove used for being matched with a lower-layer tubular bus support. When the upper-layer tubular bus is overhauled, the second supporting piece is fixed to the lower-layer tubular bus through the second groove, then the first supporting piece is connected to the fracture of the upper-layer tubular bus through the first groove, and stable supporting of the upper-layer tubular bus is formed. When the lower-layer tubular bus is overhauled, the first supporting piece is fixed to the upper-layer tubular bus through the first groove, then the second supporting piece is connected to the fracture of the lower-layer tubular bus through the second groove, and stable supporting of the lower-layer tubular bus is formed. The problem of different supports of the overlapped tubular bus bars in the maintenance process can be solved, and the safety and reliability of the site can be effectively improved.
Owner:QUJING BUREAU OF SUPERVOLTAGE POWER TRANSMISSION CHINA SOUTHERN POWER GRID

a hinge

The present invention is applicable to the field of door and window hardware accessories, and provides a hinge for installation on door and window leaves and door and window frames, including a rack and pinion unit and a diagonal rod, and the rack and pinion unit is installed on the door and window frame, wherein the The gear is rotatably installed on the door and window frame, the rack is located on one side of the gear, the gear is meshed with the rack, a gear installation part is provided on one side of the gear, and the two ends of the inclined rod are respectively installed On the door and window sashes and on the door and window frame. The rack and pinion unit can not only realize the smooth opening and closing of the door and window on the door and window frame under the premise of reducing hinge parts, but also the rack and pinion unit can form a force arm outside the gear installation part, and the door and window In addition to the part of the weight borne by the gear installation part, the rack and pinion unit forms a moment arm that can offset most of the gravity of the doors and windows, greatly sharing the weight of the doors and windows, effectively avoiding unreasonable stress on the existing hinges and easy damage The problem.
Owner:SHENZHEN PASUR LTD CO

Chinese standard contact network system

The invention provides a Chinese standard contact network system which is formed by mutually connecting a plurality of anchor sections. Each two anchor sections are connected to form an anchor sectionjoint, an electrical connection device is arranged at each anchor section joint, a central anchor device is arranged in the middle of each anchor section, each anchor section comprises a force bearing rope, a contact line arranged below the force bearing rope, a plurality of forward positioning columns and a plurality of reverse positioning columns, a plurality of integral droppers are connectedbetween each force bearing rope and the corresponding contact line, and two ends of each force bearing rope and the corresponding contact line are connected with an anchor lowering compensation device. The system is excellent in performance, capable of meeting using requirements of contact networks of 400km, 350km, 250km, 200km and 120km per hour, convenient in part combining and easy in part replacement and has application prospect of unifying and standardizing contact network systems.
Owner:CHINA RAILWAYS CORPORATION +1

High performance heliogreenhouse

The present invention discloses a high performance sunlight greenhouse with low building cost and running cost, which is characterized by adopting a totally-enclosed central air-conditioning structure, effectively utilizing solar energy and producing thermophilic vegetables, fruits and flowers in winter without heating at an area south of 40 degrees N. Lat in China. The present invention may also use a long back slope structure and a long back slope semi-basement structure, produce edible fungus and breed livestock and poultry while planting the vegetables, fruits and flowers so as to enable the land utilization rate more than 100%. The invention is provided with an electronic insecticidal net and an electrostatic dust collector at an air inlet, which can ensure crops in the sunlight greenhouse free of propagation and infection of outside diseases and insect pets, and produce various vegetables, fruits and edible fungus without pesticide application. The invention adopts a low building cost and high performance technical route, automatically and precisely adjusts and controls the environment, realizes advanced function of the West modern sunlight greenhouse high technology, suits for the modern agriculture large-scale production of pollution-free, green, and organic agricultural products, while the building cost and the running cost are not one tenth of that of the West modern sunlight.
Owner:陆阳 +1

Casting type coke carbonizing furnace

A casting type coke carbonization furnace, including a carbonization furnace group, an operation platform, a coke quenching pool, a temperature control system, and a smoke detection system. The carbonization furnace group is composed of one or more single-hole furnaces, and each single-hole furnace consists of a furnace body , carbonization chamber, combustion chamber, air distribution device and flue; inside the shell of the furnace body, there is a ladder-shaped vertically high front and low rear, and a double-layer vault with a 180-degree semicircle in the horizontal direction. The carbonization under the vault The chamber has an inclined structure with a high front and a low rear; under the carbonization chamber is the combustion chamber, which has a 20-50 degree inclined plane bottom with a high front and a low rear, and the upper end of the combustion chamber has a feeding furnace door connected to the feeding platform , the lower end has a discharge furnace door connected to the coke quenching pool; there are 2-6 vertical flues and branch flues in the furnace body, a carbonization chamber distribution outlet is provided at the front and rear ends of the carbonization chamber, and the front and rear ends of the furnace body are Each is provided with two flue air distribution outlets; the invention provides comprehensive and uniform heating, fully burns fuel, efficiently utilizes heat energy, has fast heating speed, high heating temperature, reduces carbonization and coking time, improves production efficiency, prolongs service life, and reduces production costs .
Owner:商丘市普天工贸有限公司煤化工研究所
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