368results about How to "Reliable power transmission" patented technology

A power transmission mechanism comprising: a flexible power transmission element; a pair of a drive pulley and a driven pulley on which the flexible power transmission element is wound, each the pulley having a pin-embedding hole formed to extend from the outer circumferential thereof toward the center thereof, and a slit elongated in the circumferential direction of the pulley to extend to opposite sides of the embedding hole and communicating with the embedding hole; and a pair of columnar or tapered anchor pins each having a path hole penetrating the anchor pin across the lengthwise direction thereof to receive the flexible power transmission element inserted therein, wherein each the anchor pin receiving the flexible power transmission element in the path hole thereof is embedded in the embedding hole of the associated pulley under pressure, and the flexible power transmission element is thereby held on the pulley.

An electrical connector in accordance with the present invention includes an insulative housing defining a mating direction and at least one contact-receiving passage extending along a mating direction, at least one conductive contact received in the at least one contact-receiving passage for electrically connecting with a conductive contact of a complementary connector, and a protection element. The at least one conductive contact includes a retention section interferentially received in the at least one contact-receiving passage, and a mating section extending from the retention section for electrically connecting with corresponding conductive contact of the complementary connector, and a mounting section extending from the retention section. The mating section forms a tip end at a free end thereof. The protection element is integrally formed with the tip end of the mating section of the at least one conductive contact and wraps the tip end.

An electrical connector with touch safety contact structure. The connector includes an insulative housing, a contact and at least one protecting insulator. The insulative housing defines a mating direction, a mating face and a receiving cavity recessed from the mating face along the mating direction. The contact is received in the insulative housing and includes a contacting portion exposed into the receiving cavity, a retaining portion extending from one end of the contacting portion to be interferentially received in the insulative housing, and a forward end extending from the other end of the contacting portion to locate more closely to the mating face of the insulative housing than the contacting portion, and a connecting portion extending from the retaining portion to be exposed beyond the insulative housing. The protecting insulator covers the forward end of the contact. An additional grounding contact assembled to the insulative housing may be included.

The invention discloses a clamping type manipulator device. The clamping type manipulator device comprises a rack, two sliding tables, two clamping jaws, two dual gears, a sliding rod and a driving mechanism, wherein a longitudinal sliding groove is formed in the rear portion of the rack, and a transverse sliding groove is formed in the front portion of the rack; the two sliding tables are arranged in the transverse sliding groove in a left and right slidable mode and each provided with a first rack portion; the rear ends of the two clamping jaws are arranged on the corresponding sliding tables; the two dual gears are arranged on the rack, and lower gears of the two dual gears are each connected with the first rack portion of the corresponding sliding table in an engaged mode; the sliding rod is arranged in the longitudinal sliding groove in a front and back sliding mode, the left side and the right side of the sliding rod are each provided with a second rack portion, and each second rack portion is in engaged connection with an upper gear of the corresponding dual gear; the driving mechanism is used for driving the sliding rod to slide. The clamping type manipulator device is simple and compact in structure, large in operation space, accurate in positioning and high in reliability.

The invention discloses a method for supporting an existing building underground added storey through original pile foundations. The method comprises the steps that the pile foundations of the existing building underground added storey are end bearing piles; before soil around piles are excavated, foundation pit supporting and protection and underground water level reduction preparation work are carried out; the soil around the piles below an existing building is excavated; when the stability of the pile can not satisfy safety requirements, supports are installed between adjacent piles; a plurality of supports are arranged, and the soil around the piles is excavated until a designed elevation is reached; a newly added bottom plate of a basement is poured, and serves as a bearing platform of the pile foundations below the building; a support on the bottom storey is dismantled, and reinforcing steel bars are assembled around the piles from bottom to top; the piles are reinforced and reconstructed to form posts of the basement, and beams and plates of the basement are constructed at the same time; supports in all storeys are dismantled continuously, posts, beams and plates in the upper storey are constructed until the ground; soil is backfilled to the outer side of the basement. According to the method for supporting the existing building underground added storey through the original pile foundations, the existing building is provided with friction piles, new pile foundations are additionally arranged through press piles or bored piles arranged between the original pile foundations, the bearing platform is connected with the original piles through the bearing platform, and a new basement is additionally arranged according to an end bearing pile method.

The invention relates to a connecting method of a steel beam and an existing reinforced concrete column, which can be used for reinforced modification of an existing reinforced concrete structure, and belongs to the technical field of structural engineering. The method comprises the steps of: scabbling, planting bars and binding reinforced mesh pieces on the surface around with a node connection domain of the original reinforced concrete column; processing two pieces of channel steel and welding a stud connection piece inside; extending an extending bracket and external reinforcing plate on the channel steel connected to the steel beam; buckling the two pieces of channel steel and wrapping the original reinforced concrete column; welding in an abut manner; pouring node area concrete; and finally connecting the steel beam. The method overcomes the deficiencies of the conventional connection method, is simple in structure, quick and convenient to construct, good in stress performance of the connecting node, reliable in force transfer, and can efficiently prevent a node core area from cracking and being exposed. The core area concrete is wrapped by a steel plate so that the concrete is strongly constrained, and the quake-proof ductility of the node is good. The method has high practicality and wide application prospect.

A wet method for preparing the clutch disc of car in order to eliminate the stress nonuniformity includes such steps as immersing the continuous fibers (metallic fibers, glass fibers, or mixed fibers) in the rubber solution A and then in rubber solution B, winding, sulfurizing, heat treating, grinding and dusting.

A belt deceleration device for an electric power steering device, comprising: a driving pulley with a first helical tooth, a driven pulley with a second helical tooth, a driving belt with a third helical tooth, at the twist angle of each helical tooth Between β and the coefficient of friction μ between the first or second helical teeth and the third helical teeth, a relationship of tan β<μ is maintained. In addition, in the electric power steering device, the backlash adjustment between the gears meshing in the speed reduction device, or the adjustment of the belt tension of the speed reduction device is performed.

The invention discloses a rocker-type continuously variable transmission, which relates to a mechanical continuously variable transmission for a vehicle. The rocker-type continuously variable transmission is structurally characterized in that sliders I, slide ways I, rockers, sliders II, slide ways II, connecting rods, racks, straight gears and one-way bearings are symmetrically and sequentially mounted on two sides of a cylindrical cam, the sliders I are mounted on the corresponding slide ways I, a roller on one side of each slider I is mounted in a slide way of the cylindrical cam, a roller on the other side of each slider I is embedded into a slide groove of one rocker, the sliders II are mounted on the corresponding slide ways II, a roller on one side of each slider II is embedded into a slide groove of the other rocker, the other side of each slider II is movably connected with the bottom of each connecting rod, the connecting rods are connected with the corresponding racks through rack supporting grooves, the racks are engaged with the straight gears, the one-way bearings are mounted in the straight gears, a gear shaft is mounted between the two one-way bearings, a bevel gear I is mounted in the middle of the gear shaft and engaged with a bevel gear II, a power output shaft is mounted on the bevel gear II, the front ends of the two opposite rockers are connected with each other by a rocker shaft, and a power input shaft is mounted at the bottom of the cylindrical cam.

An electrical connector includes an insulative housing, at least one contact and at least one protecting insulator. The insulative housing defines a mating direction, a mating face and a receiving cavity recessed from the mating face along said mating direction. The at least one contact is received in the insulative housing and includes a contacting portion exposed into the receiving cavity, a retaining portion extending from one end of the contacting portion to be interferentially received in the insulative housing, and a forward end extending from the other end of the contacting portion to locate more closely to the mating face of the insulative housing than the contacting portion, and a connecting portion extending from the retaining portion to be exposed beyond the insulative housing. The protecting insulator entirely covers the forward end of the at least one contact.

A power transmission system which facilitates positioning of gaskets to ensure their sealing performance. The power transmission system includes a constant velocity universal joint provided with an inner ring having a plurality of track grooves formed on its outer periphery and an outer ring having a plurality of track grooves formed on its inner periphery. The inner ring is disposed on the side of the inner periphery of the outer ring, wherein balls are accommodated within ball tracks formed with the track grooves of the inner and outer rings and retained by a cage. The power transmission system further includes a first shaft fitted into the inner ring to enable torque transmission, a boot with an adapter attached to the first shaft and an end portion of the outer ring to seal the constant velocity universal joint, a second shaft coupled to the outer ring with bolts, and an end plate disposed between a flange of the second shaft and the other end portion of the outer ring to seal the constant velocity universal joint. The power transmission system is configured such that gaskets are adhered with adhesive sheets to the adapter and the end plate which are attacked to the ends of the outer ring.

The invention discloses a positioning device for achieving embedded-sectional steel flat-joint bolt connection of concrete sectional prefabricated arch ribs and a construction method of the positioning device. The positioning device is arranged at a junction of the concrete sectional prefabricated arch ribs, and comprises a pair of rectangular flanges adopting the same structure, wherein the two rectangular flanges are arranged at the centers of the prefabricated arch ribs respectively; each rectangular flange comprises a flange panel and a flange side plate; bolt connection holes are formed in the flange panels; the flange panels of the two rectangular flanges are fixedly connected through bolts; one end of each flange side plate is connected with the corresponding flange panel; spikes connected with concrete on the prefabricated arch ribs in an embedded manner are arranged at the other ends of the flange side plates. The positioning device is used for rapid positioning and connection of the sectional prefabricated arch ribs, shortens the construction period, improves the adjusting speed and the adjusting accuracy of arch axes of the sectional prefabricated arch ribs, reduces additional unfavorable eccentricity at a joint of the arch ribs, and improves the force performance of a wet joint of the arch ribs.

The invention relates to a pier column and cross tie beam synchronous pouring supporting formwork structure and a construction method thereof. The formwork structure comprises a bearing platform, poured pier columns arranged on the bearing platform, pier column formworks arranged on the poured pier columns and a section steel cross beam arranged between the pier column formworks. The formwork structure is characterized in that an auxiliary cross beam is fixedly arranged on the section steel cross beam, a cross tie beam bottom formwork and a cross tie beam side formwork are arranged on the auxiliary cross beam, and the two ends of the section steel cross beam are arc-shaped steel supports; each pier column formwork is a segmented, wherein a set of triangle ties are welded to the isoheight position of the side face of the pier column formwork, a steel plate is arranged on the triangle ties, and a jack for supporting the section steel cross beam is arranged on the steel plate. The supporting formwork structure has the advantages that the pier column formworks are convenient to assemble, disassemble and turn over, construction speed is high, adaptability to the height of the cross tie beam is high, construction quality is reliable, and the supporting formwork structure has good technical economical benefits.

The present invention discloses a power transmission line foreign matter barrier eliminating pulley which belongs to the power grid field, and is used for solving the technical problem in the prior art that the pulley eliminates the foreign matters in a friction cutting manner, so that the efficiency is low, and the working strength is large. The power transmission line foreign matter barrier eliminating pulley of the present invention comprises a pulley body, and a traveling pulley for sliding on a power transmission line, a rotating rack, and a driver for driving the rotating rack to rotate are arranged on the pulley body. The rotating rack is equipped with a thermal cutting member used for fusing the foreign matters, and the pulley body is equipped with a power supply for supplying power to the thermal cutting member. The power transmission line foreign matter barrier eliminating pulley of the present invention is applied to the high voltage power transmission lines of a power grid.

The invention discloses a self-locking clamping manipulator. The self-locking clamping manipulator comprises a rack, a screw rod, two sliding tables, two clamping jaws and a driving mechanism, wherein the rack is provided with a transverse sliding groove; the screw rod is arranged in the transverse sliding groove in a rotating mode; the left side and the right side of the screw rod are each provided with a threaded part, and the threaded parts on the left side and the right side of the screw rod are opposite in thread turning direction; the two sliding tables are arranged in the transverse sliding groove in the mode that the two sliding tables can slide leftwards and rightwards; each sliding table is in engaged connection with one threaded part of the screw rod through a threaded hole; the rear ends of the two clamping jaws are arranged on the sliding tables respectively; the driving mechanism is used for driving the screw rod to rotate. The self-locking clamping manipulator is simple and compact in structure, the operation space for the two clamping jaws is large, actions are flexible, position locating is accurate, and reliability is high.

The invention discloses a luminaire lifting device and a liftable luminaire. The luminaire lifting device comprises a machine frame, wire winding wheels and an electric control board supported on the machine frame, a motor used for driving the wire winding wheels to rotate, a lamp wire wound on the wire winding wheels, a sliding ring electrically connected with a first end of the lamp wire, and a lamp base arranged at a second end of the lamp wire in a hanging manner. In the invention, the lamp wire has double functions of electric conduction and load-bearing, the wire winding wheels are driven by the motor to realize lifting and suspension of the lamp base, and the functions of light and colour adjustment are realized, therefore the luminaire lifting device and the liftable luminaire can be suitable for the use on occasions requiring luminaire lifting or light and colour adjustment.

The invention relates to a lead hole implanted anti-floating rock anchor rod with supporting trays. The lead hole implanted anti-floating rock anchor rod is characterized by mainly consisting of an anchor rod, supporting tray steel bar frameworks, a chassis, a backing plate and an anchor head, wherein an anchoring section of the anchor rod is arranged in a rock stratum pore passage with the supporting trays; the rock stratum pore passage is filled with a steel bar anchoring agent; the steel bar anchoring agent is wrapped with a geotextile bag; a free section of the anchor rod is arranged in a foundation bottom plate, is wrapped with a drivepipe and is isolated from concretes of the bottom plate; the supporting tray steel bar frameworks are fixed to the anchor rod in a manner of corresponding to the heights of the supporting trays in the rock stratum pore passage. The reaming supporting trays are arranged in the rock stratum pore passage, and the expandibility and adhesiveness of the steel bar anchoring agent are utilized, so that the anchoring force in unit length of the anchor rod is improved, the anti-floating capability of the anchor rod can be increased, the length of the anchor rod and the drilling depth of a rock stratum can be relatively shortened, and the lead hole implanted anti-floating rock anchor rod has favorable technical and economical benefits. The invention also discloses a construction method of the anti-floating rock anchor rod.

The invention discloses a rubber gun and a driving device thereof. The driving device of the rubber gun comprises a lead screw, a nut and a first gear, the nut is matched with the lead screw, and balls are arranged between the lead screw and a thread groove of the nut; the periphery of the nut is sleeved with the first gear in a sliding mode, the first gear is connected with the nut in a clutch mode, and a driving tooth used for being connected with the driving device in a driving mode is arranged on the periphery of the first gear. The driving device keeps a complete lead-nut mechanism, is simple in structure, and is provided with few parts; the balls will not fall off from the thread groove and also will not get stuck; the lead screw can move in the front-back direction, power transmission is reliable, large thrust can be provided, and reliable clutch driving can be achieved.

The invention discloses a deep-foundation-pit pit-dividing construction rib wall support replacement structure and a construction method thereof. Reinforced concrete support replacement shear walls with the thickness of 300 mm are arranged at elevation parts from a basement floor to a basement roof, the horizontal spacing and positioning spacing of the support replacement shear walls are determined according to foundation pit concrete supporting beams of an area II, and the support replacement shear walls are constructed with a basement structure, and connected with diaphragm walls and mid-partition walls through embedded steel bars. After rib wall support replacement is adopted, floorslabs in a basement of an area I are constructed, afterwards, two-layer earthwork of the adjacent area IIcan be excavated, the earthwork of the adjacent area can be excavated in advance, and then two pits are subjected to construction operations simultaneously. The construction technology of the deep-foundation-pit pit-dividing construction rib wall support replacement structure is the same as that of a permanent structure shear wall, and rib wall force transfer is reliable. The deep-foundation-pit pit-dividing construction rib wall support replacement structure is suitable for foundation pit engineering of foundation-pit pit-dividing excavation and back-construction.

The invention discloses a linear controlling device and method suitable for a steel structure special-shaped tower. The special-shaped tower is an arched curvilinear tower, a tower body is formed by an erected section on the lower portion and a curvilinear section on the upper portion, the linear controlling device includes a supporting system, an erected section transposition system, an erected section locking system, a curvilinear section transposition system and a curvilinear section locking system, the supporting system is arranged in the arched curvilinear tower, and the arched curvilinear tower includes a latticed column section on the upper portion, a girder section on the middle portion and an upright-column supporting and adjusting section on the upper portion. The erected section transposition system, the erected section locking system, the curvilinear section transposition system and the curvilinear section locking system all rely on the supporting system 1 to achieve steel tower installation and linear controlling. According to the linear controlling device and method suitable for the steel structure special-shaped tower, specially-shaped-section slant steel tower hoisting installation and space-variation slant steel tower hoisting installation are achieved, the construction time is shortened, and costs and construction risks are reduced; the limitation of the prior art is overcome, and the requirement of the linear installation accuracy can be ensured when the linear controlling device and method are used for mounting steel towers of any structure shapes.

The invention provides a U-shaped-hoop joint connector of a main beam and an auxiliary beam of a recombinant-bamboo frame, aiming to solve the technical problem about connection of main beams and auxiliary beams of recombinant-bamboo frames in construction engineering. The U-shaped-hoop joint connector mainly comprises a U-shaped hoop, a joint plate, bolts, recombinant-bamboo frame beams and recombinant-bamboo frame columns. The U-shaped-hoop joint connector is characterized in that the recombinant-bamboo frame beams are prefabricated in a factory; the U-shaped hoop is disposed on the lateral side of the main beam of the recombinant-bamboo frame and at the end of the auxiliary beam of the recombinant-bamboo frame; at the joint of the main beam and the auxiliary beam, the joint plate and the U-shaped hoop are connected to the lateral side of the main beam of the recombinant-bamboo frame through the bolts; after the auxiliary beam of the recombinant-bamboo frame is hoisted, the main beam and the auxiliary beam, both mounted with the U-shaped hoop, of the recombinant-bamboo frame are integrated through the bolts. The U-shaped-hoop joint connector is safe and reliable in connection, capable of transferring force well, simple to construct and mount, practical and convenient.

The invention discloses a double-speed automatic tapping machine, comprising a motor shaft driven by a motor. The motor shaft is connected with a decelerating mechanism which connects with a spline shaft via a transmission belt of slow speed. The spline shaft is positioned in the box, the central and lower part outside of the spline shaft is movably provided with a piston rod. The lower end of the piston rod is provided with a piston. The lower end of the spline shaft is spirally connected with a power head. The upper end of the power head is connected with the piston via a bearing, and the lower end of the power head is connected with a cutting tool. The invention is characterized in that: the spline shaft is connected with an accessory shaft via an intermediate transmission mechanism. A clutch gear, a clutch of slow speed, a fast synchronizing wheel and a clutch of fast speed are positioned at outside of the accessory shaft from top to bottom. The clutch gear is tightly fixed with the clutch of slow speed. The fast synchronizing wheel is tightly fixed with the clutch of fast speed. The fast synchronizing wheel is directly connected with the motor shaft via the transmission belt of fast speed. The lower end of the accessory shaft is fixedly connected with a ball screw which is covered with a limit seat. One side of the limit seat is provided with a travel switch, and the other side of the limit seat is fixedly connected with the piston rod.

The invention discloses a cap press-in apparatus. The cap press-in apparatus comprises a cap apparatus base and a cap press-in battery clamp, wherein a cap pressing head capable of vertically moving up and down is arranged on the cap apparatus base; a cap press-in power cylinder is arranged on one side of the cap press-in battery clamp; one end of the cap press-in power cylinder is hinged to the cap apparatus base; the cap press-in power cylinder is in drive connection with the cap pressing head through a cap press-in lever; one end of the cap press-in lever is hinged to the movable end of the cap press-in power cylinder while the other end of the cap press-in lever is in sliding connection with the cap pressing head; and the middle of the cap press-in lever is hinged to the cap apparatus base. According to the scheme, the cap press-in battery clamp and the cap pressing head are arranged, so that automatic assembly of the cap and the battery is realized and the production efficiency and the product reliability are improved; and through the cap press-in lever, the power transmission between the cap press-in power cylinder and the cap pressing head is realized, so that the apparatus is compacter in integral structure and the mounting space of the apparatus is reduced.

The present invention discloses a top-loading washer drive system. The system includes a mounting plate connecting to the body of the washer, a driving pulley, a main shaft assembly fastened to the washer agitator, a sleeve shaft assembly fastened to the washer basket, a clutch, and a brake module. The lower part of main shaft assembly is connecting to the driving pulley. The sleeve shaft assembly and main shaft assembly are coaxially arranged and can rotate with respect to each other. The lower end of the sleeve shaft assembly is connected with driving pulley through the clutch. The main shaft assembly includes an input shaft at one end and an output shaft at the other end. A planetary gear module and an oscillating drive output module are configured between the input shaft and the output shaft. The braking module includes a cone-shaped brake unit and a braking control unit.

The invention discloses an assembled frame system with a concrete filled steel tube branch limb combined special-shaped column and a shock absorption wall and belongs to the field of building structure techniques and earthquake resistance and shock absorption of structures. The system primarily comprises a round concrete filled steel tube long column welded steel batten plate, and a prefabricatedcorner column, a prefabricated side column, a prefabricated middle column, a reinforced concrete beam, a steel plate wall, a prefabricated steel floorslab, a column-column connecting sleeve, a column-beam anchoring part, a middle column-beam anchoring part, a beam-plate connecting part, ECC post-cast strips and the like prepared by pouring concrete outside. Upper and lower concrete filled steel tubes are connected through the column-column connecting sleeve, and the column-beam anchoring part, the middle column-beam anchoring part and the round concrete filled steel tube long column are connected and prefabricated through dowels, so that the beam-column node connecting performance is enhanced. The ECC post-cast strips are arranged at two ends of the beam and the wall and are poured up anddown in a penetrating manner, so that the energy consumption ability and the anti-earthquake performance of the structural system are improved. The assembled frame system achieves the functions of hiding column edges and being attractive in building, a project is simple and rapid to construct, the construction efficiency is high, the nodes are connected stably and reliably, and the structural system is good in anti-earthquake performance.

The invention discloses an intelligent garage car moving device based on a single chip microcomputer. The intelligent garage car moving device is mainly composed of a car carrying plate, a stereo frame, a shuttle vehicle and a car storage plate, wherein the car storage plate is arranged in a building structure, the car carrying plate is located outside the building structure, and the shuttle vehicle is located on the car storage plate and mainly consists of a driving motor, a lead screw, a car lifting plate, a supporting rod, a pull rod driving mechanism, rollers, guiding wheels, a car lifting motor, a speed reducer, an output shaft gear, guiding wheels and a rack. The car lifting motor drives the lead screw to rotate, drives the pull rod driving mechanism and the car lifting plate to move, the supporting rod below the car lifting plate rotates around a supporting point, and accordingly the car lifting plate performs a car lifting action. The driving motor drives the output shaft gear to rotate and drives the shuttle vehicle to perform transverse movement through meshing motion of the output shaft gear and the rack. The device achieves transverse movement of the car through back and forth shuttling between the car storage plate and the car carrying plate of the shuttle vehicle and achieves the two processes of going in or out of a garage of vehicles in the stereo garage.

The invention discloses impact type electric compression joint or shearing pliers, which comprise a shell and a working head for compression joint or shearing; a motor and a speed reducer are arranged in the shell, the output shaft of the speed reducer drives the working head to move through an impact rotating assembly, the working head comprises a sleeve, and a pliers head assembly is arranged at the front end of the sleeve; and the rear end of the sleeve is arranged in the shell, a lead screw nut mechanism is arranged in the sleeve, the pliers head assembly comprises a pliers arm mounting plate, two mutually matched pliers arms are hinged on the pliers arm mounting plate, the pliers arm mounting plate is arranged at the front end of the sleeve through a central pin, the inner sides of the tails of the two pliers arms are provided with force application bevels, the front end of a lead screw or a nut of the lead screw nut mechanism is provided with a force application part matched with the force application bevels to push the pliers arms to clamp, and the lead screw nut mechanism is connected with the impact rotating assembly. The pliers are powerful and reliable in power, easy and convenient to implement, convenient for replacing various pliers head assemblies and suitable for shearing or clamping of different operations or materials of different specifications.

The invention provides a fabricated concrete self-resetting beam-column joint connecting structure and an assembling method. A prefabricated reinforced concrete beam and a prefabricated reinforced concrete column of the structure are vertically connected through a connecting plate, pre-buried connecting steel plate grooves are formed in the connecting ends of the prefabricated reinforced concretebeam and the prefabricated reinforced concrete column correspondingly, and two sides of the connecting plate are connected with the two pre-buried connecting steel plate grooves; and prestressed tendons sequentially transversely penetrate through the prefabricated reinforced concrete beam, the pre-buried connecting steel plate groove in the prefabricated reinforced concrete beam, the connecting plate and the pre-buried connecting steel plate groove of the prefabricated reinforced concrete column and finally penetrate out of the prefabricated reinforced concrete column, each prestressed tendonanchorage device is correspondingly screwed and fixed at the extending end of the corresponding prestressed tendon, and energy dissipation dampers are mounted on the two sides of the connecting plate.The technical problems of how to develop a joint connecting mode which is environmentally friendly, easy to assemble, capable of effectively dissipating energy under the action of earthquake loads and meanwhile ensuring that the structure is small in deformation after an earthquake or can be restored to the initial state are solved.

The present invention relates to a developing box used on the electronic imaging device, wherein the developing box comprises the following components: a photosensitive drum which is provided with a gear at one end, a developing component which functions on the photosensitive drum, and a driving gear. The developing box also comprises an intermediate transmission gear group matched with the driving gear. The driving gear receives the rotation power from the electronic imaging device and transmits the power to the photosensitive drum through the intermediate transmission gear. The developing box used on the electronic imaging device has the advantages of simple structure, stable and reliable power transmission for settling the problems of complicated structure, unstable power transmission, etc. of prior developing box structure. Additionally, as a duplicate gear is used, the designing of rotation speed ratio between the developing roller and the photosensitive drum is more reasonable and accurate. The developing is facilitated.

The invention relates to an energy-consuming shock absorber, belonging to the field of construction. The energy-consuming shock absorber mainly comprises an anchor fixing plate, a power resistance cable and an energy-consuming cable. The anchor fixing plate is welded nearby the underneath of an inflection point of a framework column in a bottom layer, the upper ends of the power resistance cable and the energy-consuming cable are connected with the anchor fixing plate by components of the anchor fixing plate, a cable wire connector and the like, and the lower ends of the power resistance cable and the energy-consuming cable are fixed under ground. The energy-consuming shock absorber has simple structure, convenient construction and reliable power transmission, as well as simple replacement and maintenance in the condition of being destroyed by the earthquake, thus being capable of being used for reducing the earthquake response of the framework structure, and preventing or reducing the damage of the bottom layer column of the framework structure under the earthquake.