2192results about How to "Reasonable force" patented technology

The invention relates to a dismountable locking mechanism of a drawer slide rail and a side plate. The dismountable locking mechanism comprises a side plate, a bottom plate and a slide rail assembly used for opening and closing a drawer, wherein a front connecting element for connecting a front panel and a back connecting element for connecting a rear back plate are arranged on the side plate, a groove position for accommodating the bottom plate is arranged in the side plate, the bottom plate is arranged on the groove position and acts on a movable slide rail of the slide rail assembly, a dismountable locking mechanism is arranged between the side plate and the movable side rail, and the movable side rail is detachably connected with the side plate through the locking mechanism. The dismountable locking mechanism has the advantages that the groove position used for fixing the bottom plate is arranged in the side plate, the bottom plate directly acts on the movable slide rail after the assembly is completed, the drawer stress is more uniform, the work loss of each component is smaller, the service life is longer, the inner wall of the side plate is vertical, the thickness of the side plate is effectively reduced, the use space of the drawer is increased, in addition, the side plate and the movable side rail are detachably connected through the dismountable locking mechanism, the dismounting and the mounting of the side plate and the movable slide rail are fast and convenient, the manufacture and maintenance cost is low, the integral design of the drawer is favorably realized, and the drawer is tidier and more attractive.

The invention relates to a high-altitude long-span overhanging corridor type reinforced concrete structure and a construction method, wherein the corridor part is a stiff beam structure; with own bearing capacity of a profile steel, a beam template supporting system is a hung template supporting system in such a manner of fixing a square steel by means of a U-shaped screw and a nut; a floorslab is a self-supporting steel bar truss template which is welded to a pre-embedded steel plate on the stiff beam by means of a pin; and a steel platform is arranged on a corresponding floor at the lower part of the corridor as an operating and safety protection platform for template support construction. The high-altitude long-span overhanging corridor type reinforced concrete structure and the construction method have the advantages that: the template supporting construction method, according to which the operating platform is built from H-steel or profile steel beams, the stiff beam is hung and is self-supported and the floorslab is self-supported, is employed, so that the problem of difficult template supporting of the high-altitude long-span overhanging corridor structure, the revolving materials are greatly saved, the construction cost is reduced, the construction progress is accelerated and the safety is ensured; and the steel plate is pre-embedded on the stiff beam, so that the floor bearing plate is effectively connected with the stiff beam and the floor bearing plate and the stiff beam are capable of acting together to ensure the safety of the structure.

The invention discloses a claw beam lifting mechanism for a forging manipulator, applied to forging industry. The claw beam lifting mechanism mainly comprises a front lifting part, a rear lifting part, a synchronous connector rod, a lifting cylinder, a pitching cylinder and a buffering part, a front fixing shaft in the front lifting part, a rear fixing shaft in the rear lifting part and the lower end of the lifting cylinder are respectively connected with a large machine frame through hinges, the synchronous connecting rod is arranged overhead and always moves in a range above a connecting line of a front fixing hinge point and a rear fixing hinge point of a claw beam lifting and pitching mechanism and the large machine frame, front ends of two buffering cylinders are respectively connected with tow front lifting connecting rods through hinges, the rear ends of the two buffering cylinders are respectively articulated with two ends of a compensating beam, and the middle part of the compensating beam is connected with the middle part of the large machine frame by a hinge through a beam fixing shaft. The claw beam lifting mechanism has novel and scientific design concept, reasonable stress application, high movement precision, simple structure, low manufacturing cost and is convenient to install, adjust and maintain. The invention not only reduces the manufacturing cost of the lifting mechanism under the condition of ensuring the movement precision, but also thoroughly solves the problems that the front fixing shaft and a shaft sleeve matched with the front fixing shaft are worn easily and a side plate of a machine needs to be thickened specifically.

The invention discloses a steel-super high performance concrete composite beam based on a ribbed plate type bridge deck and a construction method. The construction method includes the following steps that step1, steel beams are machined, manufactured and installed; step2, shearing force connecting parts are welded; step3, the super high performance concrete bridge deck is constructed; step4, a guardrail or an anti-collision wall is constructed; step5, bridge deck pavement is constructed, wherein the super high performance concrete bridge deck and the steel beams are fixed through the shearing force connecting parts, the cross section or/and the longitudinal section of the super high performance concrete bridge deck is/are of a ribbed plate structure, and pre-stressed reinforcements can be arranged on a longitudinal rib region or/and a transverse rib region. The composite beam is reasonable in stress, high in strength and capable of substantially reducing the structure dead weight, effectively avoiding defects at a hogging moment region of a composite continuous beam and bringing tensile strength, compressive strength and high durability of super high performance concrete into full play; the composite beam has the advantages of being small in building height, high in rigidity, small in dead weight, good in durability, crack resistance and fatigue resistance and the like, and has great practical value and good economic benefits.

The invention provides a sliding bottom electricity-taking and self-locking electric bus battery quick-change pellet device. The electric bus battery quick-change tray device comprises a pellet and a locking and unlocking mechanism (3) mounted on the pellet. According to the invention, the battery box can be correctly positioned and reliably locked reasonably; the force is reasonably applied to the battery box; simple structure and simple and reasonable power wire splicing mode are obtained; and the arc discharge phenomenon can be effectively prevented.

The invention relates to a holed excavation supporting structure for a light and dark junction section of a tunnel in a bias pressure state and a construction method. In a supporting mode combining a bias pressure earth retaining wall and a cover arch, the unilateral bias pressure of the tunnel is balanced, thus ensuring the safety of a tunnel structure and safe holed excavation of the tunnel. With the adoption of the holed excavation supporting structure and the construction method, a slope is prevented from being destroyed in large area due to open cut tunnel excavation, and original ecological vegetation is protected to keep the slope intact and avoid landslip due to heavy excavation, so that neither engineering construction or environmental protection is neglected, and the engineering cost is also greatly lowered. The holed excavation supporting structure and the construction method can be widely applied to tunnel building in a mountainous hilly area.

The invention discloses a strain clamp of an aluminum alloy core aluminum stranded wire. The strain clamp comprises a steel anchor and a jumper clamp which is connected with the steel anchor, wherein an anchor head is connected with the rear end of the steel anchor; an external surface of the anchor head, from inside to outside, is sequentially sleeved with an inner-layer pressing connection pipe and an outer-layer sleeve; and a cavity into which an inner core of the aluminum alloy core aluminum stranded wire to be connected is embedded is formed in the inner-layer pressing connection pipe. By adding the inner-layer pressing connection pipe and the outer-layer sleeve which sleeves the inner-layer pressing connection pipe, when the aluminum alloy core aluminum stranded wire presses the strain clamp, a pressing force can be applied to a lead through two pipe walls, so the pressing force is dispersed to the forced steel anchor, the aluminum stranded wire can be forced uniformly, and the grip strength of the strain clamp on the aluminum stranded wire is improved. The strain clamp of the aluminum alloy core aluminum stranded wire is simple and reasonable in structure, convenient and reliable to anchor, reasonably stressed, and widely applicable to erection of a power transmission line of the aluminum alloy core aluminum stranded wire.

The invention relates to a heavy-load type oil-gas spring independent suspension steering drive axle which comprises a central main reducing gear assembly, an upper cross arm, a lower cross arm, a hub reducing gear assembly, a double-rzeppa type constant velocity universal transmission shaft, a steering joint seat, an oil-gas spring and a steering rod system, wherein the central main reducing gear assembly is located in the center of the steering drive axle and fixedly connected to a frame, and structures of the heavy-load type oil-gas spring independent suspension steering drive axle at the left end and the right end of the central main reducing gear assembly are the same and symmetrically distributed. The steering joint seat is adopted, thus stress in the front, back, left and right directions of the whole steering drive axle trends to be more uniform and reasonable, the steering drive axle has higher traveling smoothness and better maneuverability, and the regulation of ground clearance can be realized at the same time of regulating the height of the frame. The upper cross arm and the lower cross arm of the heavy-load type oil-gas spring independent suspension steering drive axle are respectively of an integral structure, thereby improving the structural rigidity. Both ends of the upper cross arm and the lower cross arm are respectively connected with the steering joint seat and a main reducing gear shell through pin shafts, and the reasonable optimization of swing arm connection points ensures that the changes of wheel tracks and wheel inclination angles are the minimum when wheels jump up and down to the limit, thereby improving the controllabitity and the stability of a chassis.

The invention discloses a multi-chamber type steel tube concrete special-shaped column, consisting of U-shaped steel, a rectangular steel tube and concrete cast in the tube. The U-shaped steel is mutually welded with the rectangular steel tube to form special-shaped columns with different sections. The whole section is divided into a plurality of chambers by the U-shaped steel and the rectangular steel tube, and the concrete is filled in the chambers. The U-shaped steel is formed by bending or welding a steel plate and the rectangular steel tube is formed by directly welding or first blending and then welding the steel plate. By dividing the section into a plurality of chambers, the special-shaped column can enhance the interaction between the steel and concrete, reduces the ratio of width to thickness of the steel plate and is beneficial to give full play of material performance and the improvement of section performance; and the directly stressed U-shaped steel and the directly stressed rectangular steel tube decrease the dimension of sections, eliminate the negative angle of 90 degrees, boost the bearing capacity of the special-shaped column and improve anti-seismic performance. The special-shaped column is simple in manufacture, guarantees the quality of concrete vibrating and casting, is convenient for construction and manufacture and has comparatively good economic benefits.

The invention relates to a novel car body structure of a full-loaded purely electrical passenger car. In the car body structure of the full-loaded purely electrical passenger car, a passenger front door (1) and a passenger rear door (2) are formed in the front and rear sections of the car body; integral diagonal brace girder structures (6) and (8) are formed in the part between the upper and lower waist beams of the side body and the middle keel part of the car body; the upper and lower waist beams (3) and (4), lower side beams (5) and a keel longitudinal beam (15) are communicated; a motor is arranged in the middle; and a power battery packs are arranged in the middle section of the car body. The structure is a whole, and the middle section of the car body has high carrying capacity. The structure is optimized by a full-loading technique, so the non-axial loads of the rod pieces of the structure are reduced effectively, the stress of the members of the structure are more reasonable, and the load distribution is more uniform. Therefore, the strength and rigidity of the car body are both improved effectively.

The invention discloses a high-temperature slag handling technology by the tilting roller process and a high-temperature slag handling device. The handling technology includes that high-temperature metallurgical slag is poured into a rotating working barrel body with a certain angle of inclination in the axial direction by a loading hopper; the slag in a front barrel body of the working barrel body is fast cooled by a cooling medium and the cooling water sprayed by a spray head in sequence and then crushed; the cooled and crushed slag particles are driven to drop from the gaps among cage bars and the gaps between the cage bars and a barrel body shoveling plate into a lower chamber filled with the cooling water to be cooled for the second time; along with the rotation of the working barrel body, the slag particles soaking in the cooling water in the lower chamber are carried to the upper part of the front barrel body by the barrel body shoveling plate provided with dewatering holes, poured into an open discharging chute and conveyed out of the device; the cooling water that carries fine slag particles and is separated by the barrel body shoveling plate flows to a rear barrel body, and the fine slag particles separated and intercepted by a netty slag-water separating device arranged on the rear barrel body are sent to the discharging chute and conveyed out of the device by a small shoveling plate arranged on the internal side surface of the rear barrel body.

The present invention relates to a diamond trussed traveling form. Said diamond main truss is formed from upper frame, lower frame, front frame and rear frame which are connected together and formed into diamond shape. Said upper frame is inclined towards front-lower side, the front end of upper frame and front end of front frame are fixed on the front support abutment, its upper frame and upper end of rear frame are fixed on the upper support abutment, its rear frame and rear end of lower frame are fixed on the rear support abutment, the front end of its lower frame and rear end of front frame are fixed on the lower support abutment; between lower support abutment and upper support abutment a door-shaped rear hanger frame is connected, on the front support abutment a front hanger beam is fixedly connected; the front hanger beam and the door-shaped rear hanger frame are connected with a suspended mechanism, front end of said front hanger beam is connected with an auxiliary hanger frame, between the rear end of front hanger beam and upper frame a tie rod is connected, front end of the auxiliary hanger frame is connected with a hanger rod, and said hanger rod is connected with a working platform.

The invention discloses a connection structure of integrally assembled concrete frame and shear wall. The connection structure comprises precast concrete columns, an H-shaped precast concrete composite beam, a precast concrete shear wall body, N-shaped horizontal connecting pieces, two U-bars, bolts, bolt sleeves and post-poured concrete. The U-bars are fixedly arranged on the upper and lower sides of the precast concrete shear wall body, the precast concrete columns, the precast concrete shear wall and the wall body are connected through the N-shaped horizontal connecting pieces, and a plurality of holes are reserved in the H-shaped precast concrete composite beam. After the connection structure is completed, each connecting part is cemented by the post-poured concrete to enable the columns, the wall and the beam to form an integral structure. According to the connection structure of the integrally assembled concrete frame and shear wall, the wall body is easy to lift and assemble, and accurate abutting joint of the upper and lower portions of the wall body can be realized, and quick assembling is facilitated.

A synchronizing device of drawer sliding rails comprises two sets of sliding rail assemblies arranged on a cabinet left side plate and a cabinet right side plate, wherein a drawer is arranged on the sliding rail assemblies and is at least composed of a bottom and a front panel, each sliding rail assembly is at least composed of a movable sliding rail and a fixed sliding rail, a drawer synchronizing device body is arranged on the left movable sliding rail and the right movable sliding rail or the left fixed sliding rail and the right fixed sliding rail and at least comprises a sliding groove base and a sliding block, the sliding block acts on the sliding groove base, racks are arranged on the sliding block, gears mutually meshed with the racks are rotationally arranged on the sliding groove base and correspond to the racks, and the left gear and the right gear are connected through a rotating connecting rod to achieve synchronous opening and closing of the left sliding rail assembly and the right sliding rail assembly; a poking block is arranged on the movable sliding rails or the fixed sliding rails, and a stopping part is arranged on the sliding block and is loaded on the poking block through elasticity of an elastic part at least when a suspending distance A is preserved between the front panel and the cabinet side plates; the sliding block acts on the poking block through the stopping part in at least one segment of travel when the drawer is opened or closed so that the sliding block can slide on the sliding groove base.

The invention discloses an electric power tunnel inspection robot walking structure, a robot and a method thereof. The walking structure comprises two wall plates located on the two sides of a guide rail correspondingly and crossing a guide rail to be connected through a wall plate connecting rod; a set of driving mechanism, a set of braking mechanism, and two sets of guiding mechanism are mounted on each wall plate symmetrically along a guide rail. Every two sets of guiding mechanism are arranged on the two ends of the corresponding wall plate correspondingly. Each set of the guiding mechanism comprises a guide wheel floating device, and a guide wheel piston. One end of each guide wheel floating piston can slide in the corresponding guide wheel floating device. A spring is mounted in each guide wheel floating device. The other end of each guide wheel floating piston is connected with a guide wheel support A which is connected with a wheel shaft of the guide wheel. Each guide wheel floating device is fixed to the corresponding wall plate through a guide wheel support C which is connected with a guide wheel support B. Swinging arms formed by connecting the guide wheel supports B with the guide wheel supports A can limit the guide wheel supports A to drive guide wheels to extend and retract within a certain range.

The invention discloses a method for producing an immediate complete or half denture based on a 3D printing technique. The method comprises the steps of preparing an impression with a remaining tooth jaw or a tooth-free jaw, transferring a jaw position relation, acquiring digital models of the remaining tooth jaw or the tooth-free jaw and the jaw position relation, setting the arrangement and the denture border of artificial teeth of the immediate complete or half denture corresponding to the form of the remaining tooth jaw or the tooth-free jaw and the jaw position relation, invoking data in a preset database, designing the artificial teeth and polishing surfaces of the artificial teeth, regulating the occlusion of the teeth to enable alveolar ridge supporting tissues to bear proper pressure distribution, and manufacturing a three-dimensional model of the immediate complete or half denture by virtue of a photo-healing three-dimensional printing technique in the 3D printing technique. The method has the advantages that the production steps are simple, the production time is short, the precision is high, the denture can be conformably worn by a patient, and meanwhile, the production cost is lowered.

The invention discloses a mitral chordae sewing machine for implanting the artificial chordae through the minimally invasive technology and a method of the mitral chordae sewing machine in the field of medical apparatus and instruments. The mitral chordae sewing machine comprises a mitral forceps holder, sewing needles and a position detection device, wherein the mitral forceps holder is capable of clamping a mitral leaflet; the mitral forceps holder comprises an operating handle, a support rod and a clamping device of which the front end is opened and closed under the control of the operating handle; the number of the sewing needles is two; each sewing needle is designed to be of a barb structure, and the barb structures are used for hooking the artificial chordae; the position detection device is used for detecting the position, clamped by the mitral forceps holder, of the mitral leaflet; the mitral leaflet can be implanted into a human body through the small incision of left chest, and enters the ventriculus sinister from the apex cordis position to clamp the mitral leaflet; the sewing needles penetrate through the mitral leaflet to hook the artificial chordae, so that a liner is adhered to the mitral leaflet at one side of the atrium sinistrum, and two ends of the artificial chordae are fixed to the apex cordis position. According to the mitral chordae sewing machine and the method of the mitral chordae sewing machine disclosed by the invention, the goal that the artificial chordae is implanted through the minimally invasive technology is achieved, and patients with mitral regurgitation caused by the rupture of the mitral chordae are effectively treated.

The invention relates to a rapid repairing method for a sunken ballastless track through grouting lifting. According to the method, grouting materials, device tools and a construction technology are needed, and the method specifically comprises the steps that after lifting quantity of the ballastless track is determined, a high-pressure grouting device is adopted, and under certain grouting pressure, rapid-hardening grouting materials are grouted under a ballastless track base which is horizontally arranged in advance and in grouting bags in a graded broken stone surface layer through a grouting pipe in a certain sequence; in the grouting process, an electronic level precise measurement device is adopted to monitor elevation changes of the upper portion of the track in real time, when the elevation is close to or reaches the designed elevation, grouting lifting is stopped, then rapid-hardening grouting materials with high fluidity are directly grouted in the gap between the lifted base and the graded broken stone layer, the grouting materials rapidly and fully fill the gap and are solidified, the lifted base and the graded broken stone layer are integrally bonded, and the ballastless track is precisely lifted and firmly located.