306results about How to "Reliable force" patented technology

An end assembly seals a cylindrical electrochemical cell. The assembly includes a positive temperature coefficient (PTC) device and a gasket having a protrusion that cooperates with the end assembly isolates the PTC device from primary axial compression forces present in the closure assembly. In further embodiments of the present invention, the end assembly may be produced by insert molding a seal element about the terminal cover and the gasket itself has an E or F shaped cross section.

A construction including at least one pile-type device that is anchored in or on the ground and essentially consists of a longitudinal pile element. The pile-type device also includes at least one reinforcement element, which is configured and located in such a way that a gap is formed between the reinforcement element and the pile element. The gap can be filled at least partially with at least one loose and / or free-flowing material.

Devices and methods based upon the concept of a split ring having certain multiple interior angles to engage a stem or post having annular ring(s) with angular geometries that are complimentary to those of the split ring. The disclosure provides designs for a wide range of insertion and desertion forces between latch engagement stems and latch engagement bodies. Changes to insertion contact angles and contact area on engagement stems and corresponding changes to insertion contact angles and engagement areas on engagement bodies can significantly modify insertion forces required to engage various devices. Similarly, changes in degrees of angle between desertion angles and contact areas on engagement stems with corresponding changes in desertion angles and contact areas on engagement bodies will significantly modify the total desertion forces required to disengage various devices. Accordingly, the instant latching mechanism provides insertion and desertion forces that can be controlled independently of each other.

The invention discloses a multifunctional comprehensive restraint device for whole construction and operation process of a long-span hybrid-beam cable-stayed bridge and relates to a bridge engineering technique. The multifunctional comprehensive restraint device comprises longitudinal dampers, multidirectional slideable supports and retractable devices. Longitudinal damping devices, longitudinal comprehensive multifunctional devices and transverse windproof supports with independent functions are arranged between a main beam and bridge towers. A damping function is independently realized at the operation period of the bridge. The longitudinal comprehensive multifunctional devices realize solidifying, pushing and limiting functions in the whole construction and operation process of the bridge. The multifunctional comprehensive restraint device provides effective rigidity and damping for the operation period of the long-span hybrid-beam cable-stayed bridge and guarantees that the static and dynamic response of the bridge is within an acceptable range. At the same time, the longitudinal comprehensive multifunctional devices are used for taking a temporary solidifying function in the splicing process of the upper structural cantilever of the bridge and are also used as main beam pushing force-bearing structures under the condition of full-bridge closure, a no-stress geometrical linear bridge construction control method is realized, the functions are clear, the force is born reasonably, the economic and practical performance is high and the multifunctional comprehensive restraint device is suitable for all kinds of long-span hybrid-beam cable-stayed bridges.

The invention concerns an outer hexagon round screw and a method for production of the screw. The screw cap is formed here essentially in the kind of a Torx head, with an outer hexagon round contour (5) and a flange (4) having a slope (4.1) reaching in the direction of the outer hexagon round contour (5) under an angle (alpha) thereby assuring a force engagement with a tool. The slope (4.1) of the flange (4) follows immediately to the outer hexagon round contour (5) such that the overall height (k) of the head (3) is substantially decreased, wherein at the same time the height (t1) of the outer hexagon round contour (5) assures a reliable force engagement. The production of the flange (4) and of the outer hexagon round contour (5) is performed either by scraping with a scraping tool or by head flattening or upset compressing or compression molding, wherein additionally a socket is formed in the head region. (FIG. 1).

The invention discloses an anchorage performance detection testing apparatus for carbon fiber adhesion reinforcement. The testing apparatus comprises a testing bench, a concrete test piece, a test fixture and a loading system. The reinforced concrete test bench is composed of a base, a blocking bed, a connecting bed and a stretching bed, carbon fiber sheets are adhered to the test piece, and a steel pressing plate and an anchor bolt are taken as auxiliary anchoring pieces; the test fixture is composed of an external covering steel plate, two inner clamping steel plates and a high-strength split bolt, strip-shaped steel teeth are formed on the surface of the external covering steel plate, pole steel teeth are formed on the surfaces of the inner clamping steel plates, the carbon fiber sheets are placed between the two inner clamping steel plates, the carbon fiber sheets and the two inner clamping steel plates are firmly adhered together by dipping glue, and the high-strength split bolt clamps the external covering steel plate, the inner clamping steel plates and the carbon fiber sheets; and the loading system is composed of a connecting screw rod, a tensile connecting steel plate, a tensile screw rod, a lifting jack and a sensor. The testing apparatus provided by the invention can quickly carry out an anchorage zone stress performance test on a concrete beam reinforced with adhesion of the carbon fiber sheets, and has the advantages of being convenient to make and simple to operate, and the like.

The invention provides a dragline curtain wall support system with a steel truss at the top and a construction method thereof. The dragline curtain wall support system comprises main building structures at two sides, a support structure at the lower part, the steel truss at the top and a curtain wall steel cable at the middle, wherein the main building structures provide left and right fixed points of the steel cable, and the steel truss and the support structure at the lower part provide upper and lower fixed points of the curtain wall steel cable; a two-direction fixed mode of horizontal connection and vertical connection is adopted at the two ends of the steel truss and between the main building structures; and the horizontal connection is realized through a horizontal bearing support, and the vertical connection is realized through a vertical bearing support. The dragline curtain wall support system is simple in structure and convenient in construction; by virtue of the two-direction support fixed mode, the structure strength is increased, the node structure is simplified, and the structure safety is greatly increased; The horizontal bearing support is installed after vertical steel cable prestress tension to enable the steel truss to freely rotate under the action of the vertical force, so that the secondary stress of buildings at two sides is reduced; and by transferring force by a horizontal steel plate, the bearing force is large, the stress is reliable, and micro-vertical deformation of the steel truss can also be applicable.

A speed change gear includes: an internal gear member; an eccentric member; an oscillating member; a pair of first and second rotating members; and a pin that is supported at both ends by insertion holes of the first and second rotating members. The insertion hole and the insertion hole have the same diameter. The outside diameter of the other side end portion of the pin is smaller than the outside diameter of one side end portion of the pin such that the one side end portion is press-fitted in the corresponding insertion hole and the other side end portion is supported by the corresponding insertion hole.

A shaft-like parts feeding apparatus is disclosed, which includes a parts feeder (6) for delivering shaft-like parts (1), and a feed path extending from the parts feeder (6) to a point short of a feed rod (21), wherein a shaft-like part held by a holding head (1) of the feed rod (20) is inserted into a receiving hole (35) in an electrode (22). An excessively long parts detecting means which detects and removes excessively long parts (1A) longer than normal length is disposed in the parts feeder (6) or in the feed path, and the spacing between the receiving hole (35) and the holding head (20) with the feed rod (20) having stopped at a predetermined position after advancing, is set to an excessively short parts expelling spacing (L) which prevents excessively short parts (1C) shorter than normal length from reaching the receiving hole (35). Shaft-like parts of abnormal length are removed in the feed path extending from the parts feeder to the electrode by a system having a cooperative feature, i.e., a system feature.

The oscillating internally meshing planetary gear system has the configuration of rotating external gears inside an internal gear oscillatingly through the intermediary of eccentric bodies so that a relative rotation between the internal gear and the external gears is taken out through a pair of first and second carriers arranged on both axial sides of the external gears. In this configuration, eccentric body shafts are supported by the first and second carriers through needles. Thrust receiving means for restricting axial movement of the eccentric body shafts are arranged between step portions formed on the eccentric body shafts and the first and second carriers.

The present invention relates to a method and a device for controlling a vehicle brake system with active hydraulic brake force boosting. In this method, an active pressure-increasing unit and / or a pressure modulation unit is actuated according to a comparison between a nominal pressure or a nominal vehicle speed or quantities derived therefrom, in particular a nominal vehicle acceleration, and an actual pressure or an actual vehicle speed or quantities derived therefrom, in particular an actual vehicle acceleration.

The invention belongs to the technical field of building construction, and provides a steel structure joint, a prefabricated column, a manufacturing method thereof and an assembling method of a columnbeam. The steel structure joint is reliable in stress and convenient to produce and manufacture; the prefabricated column with the steel structure joint is easy to transport and store, the installingprocess of a steel beam and the prefabricated column on site is easy and convenient, operation is convenient, no formwork erection is needed on site, supporting is easy, no operation space limit is caused, dry type construction is performed, the installing precision is easy to control, the later corrosion resistance and fireproof treating area is small, the full-life-cycle maintenance cost is low, the advantages of a fabricated building is sufficiently reflected, the construction efficiency and the construction quality are improved, and waste and building waste are reduced.

A closure assembly for an electrochemical cell includes a positive temperature coefficient (PTC) device and a dual wall gasket that isolates the PTC device from primary axial compression forces present in the closure assembly. A method for closing an electrochemical cell to remove the PTC device from primary axial compression is also contemplated.

The invention discloses an automatic bending machine for an inflating valve, which mainly comprises a feed tray, a feed mechanism, a clamping and positioning mechanism, a bending mechanism and a material returning mechanism. The feed mechanism is arranged on a frame and a pneumatic finger on the feed mechanism is positioned under the feed tray. The clamping and positioning mechanism is arranged on the frame and a clamp opening on the clamping and positioning mechanism is aligned with a workpiece positioning surface of the material returning mechanism so as to clamp a workpiece. The material returning mechanism is arranged on the frame and a feed block on the material returning mechanism is positioned at the terminal point of a motion track line of the pneumatic finger of the feed mechanism. Because the steps of feeding, clamping and positioning, bending and returning the material are finished at one time, the automatic bending machine for the inflating valve has the advantages of high degree of automation, stable and reliable quality of the produced product, and high production efficiency. In addition, when the workpiece is clamped by the clamping and positioning mechanism, the workpiece is clamped with stressed dead points, so that the clamping and stressing are reliable. The mold is quickly exchanged, and is conveniently regulated.

The invention relates to an auxiliary device for binding reinforcements of a reinforced concrete beam and application thereof. The device comprises two telescopic brackets and a cross bar, wherein the two telescopic brackets are arranged in parallel; and the cross bar is overlapped on the two brackets. The application of the auxiliary device is as follows: according to the condition of the beam depth, the heights of the brackets are regulated, so that the brackets are slightly higher than the beam; the auxiliary devices are arranged in pairs along the beam length direction at intervals of 3 to 5m and the auxiliary devices are placed on plate formworks at both sides of a beam formwork; beam upper main reinforcements are placed on the cross bars, beam stirrups are sleeved, beam lower main reinforcements are inserted and the reinforcements are bound to form a beam reinforcement skeleton; the beam reinforcement skeleton is pulled up, the auxiliary devices at the end where the reinforcement binding is completed are removed, the beam reinforcement skeleton is slowly placed into the beam formwork; and the pair of auxiliary devices at the upper part are moved to a next section to bind reinforcements of the section of beam. Compared with the prior art, the device disclosed by the invention is stably stressed, is convenient to use, has an adjustable height, can be reused, can be suitable for binding reinforcements with different beam depths, can be industrially produced in batches and has high social benefits and economic benefits.

The invention discloses a socket-and-spigot joint structure of a prefabricated pier column and a bearing platform adopting high-strength steel fiber reinforced concrete caulking and a construction method. The invention is characterized in that a socket groove is reserved in the position, corresponding to a pier column, of the top of the bearing platform, a prefabricated pier column is hoisted andinserted into a socket groove, high-strength steel fiber reinforced concrete caulking is poured into a gap between the periphery of the pier column and the wall of the socket groove, and firm connection is achieved. The connecting structure of the pier column and the bearing platform is simple, high in embedding and fixing efficiency, convenient to install and operate, relatively low in prefabricating and embedding precision control requirement, high in construction efficiency and safe and reliable in stress, and meanwhile the anti-seismic property of the connecting structure is similar to that of a cast-in-place structure.

The invention discloses a telecom smart card for realizing a NFC (Near Field Communication) function, which comprises a card base, an SIM (Subscriber Identity Module) card module and an antenna layer, wherein an NFC chip is embedded in the SIM card module, the SIM card module is arranged on the card base, and two reserved contacts and six functional contacts are arranged on the SIM card module; the antenna layer comprises a coil part, a connecting part and a card contact part which are integrated into a whole, and the card contact part is stuck to the card base. The telecom smart card is characterized in that newly added contacts are arranged in an idle area of the card base, and the NFC chip receives and sends radio frequency signals through two of the newly added contacts and controls a power source and signal transmission respectively through a third newly added contact and a fourth newly added contact. The telecom smart card has the function of the NFC and is compatible with an NFC mobile phone by adding the NFC chips and the contacts. In addition, the problems that reserved contacts in an SIM card are occupied and the contact between the antenna contact and the corresponding contact of the SIM card is poor in the prior art are solved.

A stator core of an electric rotating machine has steel sheets formed of a steel plate wound in the cylindrical shape. Each sheet has teeth disposed along the circumferential direction of the core on the inner side of the sheet, divided end portions disposed along the circumferential direction on the outer side of the sheet, slits alternately disposed with the divided end portions along the circumferential direction, and a boundary portion disposed between the group of teeth and the group of divided end portions. The teeth and the divided end portions substantially have the same constant thickness. The boundary portion has a changing thickness decreased toward the outer side.

The invention relates to a reinforcing structure for a rear opening in a shear wall and a construction method of the reinforcing structure. The reinforcing structure comprises an original wall, a floor slab and a structural steel frame for reinforcing, wherein the structural steel frame comprises steel angles and flat steel and covers the edge of the rear opening, and the steel angles and the flat steel are fixed at the rear opening through anchor bolts and high-strength plate bolts; and the steel angles are arranged on two sides of the wall, the vertical and horizontal junction position of the steel angles is welded and outwards extends along the opening, vertical legs are cut off from the extending part, the steel angles on two sides are connected through batten plates, the batten plates and the steel angles are in groove welding, the contact positions of the bottoms of the steel angles and the floor slab adopt flat groove welding through local cut steel angle lacing bars and the steel angles on two sides, and the flat steel is arranged on the floor slab on two sides of the wall. Cut-off reinforcing steel bars in the original wall are reinforced with plug welding matched with the structural steel frame after the ends of the reinforcing steel bars are reserved, anchoring steel angles are added between the bottom of the floor slab and the lower wall, two legs attached to the wall surface are connected by high-strength bolts and connected with the floor slab and the flat steel through the high-strength plate bolts.

The invention discloses a design method for an annular structural member diffusion bonding fixture. A proper fixture material is selected, and a fixture is guaranteed to be safely used while an expansion pressure difference which is large enough is provided. In order to guarantee to generate even and stable connection pressure on a connection interface, a fixture structure and an annular member structure are corresponded, and detail characteristics are similarly matched; the inner wall of the fixture is in complete contact with the outer surface of a connection member as far as possible; and the outer wall of the fixture is convenient in manufacture, saves cost and is designed to be regular cylindrical surface. The coefficient of thermal expansion of an annular fixture manufacture materialis reasonably selected, since the expansion coefficient of the fixture material and the expansion coefficient of specimen alloy are similar in a cooling process, a cooling shrinking difference is small, and an influence on a connection interface is small. By use of the technical scheme of the invention, the successful connection of TiAl alloy and Ti2AlNb alloy is realized, and a reference is provided for the diffusion bonding of other annular structural members with a large outer layer metal expansion coefficient.

A device for roundness adjustment and supporting of a penstock comprises an inner hub, wherein a plurality of supporting rod assembles are arranged on the outer circumference of the inner hub; each supporting rod assembly comprises at least three supporting rods including a supporting rod connected with the inner hub, an end supporting rod arranged at an end and in contact with the penstock, and an adjusting supporting rod connecting the supporting rod with the end supporting rod; studs are arranged at two ends of the adjusting supporting rod; and internal threads are formed in the supporting rod and the end supporting rod in corresponding positions. The device provided by the invention has the advantages that the roundness of the penstock can be adjusted conveniently; error caused by deformation of a component can be compensated; repeated use is convenient; the structure is simple; the mounting and the adjustment are convenient; the stress is reliable; the mounting and the disassembly are convenient; and the device also can be used for internal supporting during second stage concrete pouring.

A screw thread twist-stretch transverse stretch-draw prestress exerting system of an adjustable and controllable bamboo and wooden beam is suitable for a prestress bamboo and wooden beam in the field of civil engineering and solves the problems that an existing prestress bamboo and wooden beam is complex in prestress exerting technology, low in accurate degree, unadjustable in size of prestress during a using process and the like. The system comprises an arc-shaped fixed block of a groove, a bolt, a steel backing plate, a prestressed bar, an anchorage device and the like. When construction is specifically carried out, a line type of the prestressed bar can be selected through arrangement of a proper buckling point of the prestressed bar, the prestressed bar is fixed at the beam end in an anchoring mode, transverse displacement of the prestressed bar is limited through the fixed block of the groove, the fixed block is enabled to move up and down through a nut rotatably marked with an angel, and the prestressed bar is driven to generate transverse relative displacement with bamboo and wooden materials in a pressed area to exert prestress. When the prestress is exerted by the screw thread twist-stretch transverse stretch-draw prestress exerting system of the adjustable and controllable bamboo and wooden beam, a hydraulic jack and other professional stretch-draw devices are not needed, construction is convenient, through the fact that the rotary angle of the nut can be controlled, the size of the prestress can be adjusted at any time in a using process, stress bearing is reliable, and adjust and control are convenient.

A rotary clamping and cleaning device comprises a rack. A tightly-jacking mechanism and a rotary tightly-jacking mechanism which are arranged oppositely and used for clamping a workpiece are arranged on the rack, a cleaning and water-blowing device used for cleaning and blow-drying the workpiece is further arranged on the rack, a mechanism driving a tightly-jacking tip to axially displace is arranged in the tightly-jacking mechanism, and a mechanism driving a rotary tightly-jacking tip to axially displace and driving the workpiece to rotate is arranged in the rotary tightly-jacking mechanism. By adopting the above structure, cleaning, blow-drying and water-pouring after cleaning of surfaces and holes, high in cleanliness requirements, of several shaft-class parts can be realized. The rotary clamping and cleaning device has the advantages that at a same workstation, cleaning and blow-drying of the surface and multiple holes of the workpiece can be realized by rotating and positioning the workpiece from different angles. The rotary clamping and cleaning device is compact in integral structure, reliable in stress, simple, flexible and space saving.

The invention discloses a double-degree-of-freedom pull rope adjusting curtain wall. The curtain wall comprises a curtain wall steel structure, a pull rope, a glass clamp and a curtain wall glass; at least one limiting device is fixedly arranged in the steel structure, and a double-degree-of-freedom adjustable limiter is arranged in the limiting device; the double-degree-of-freedom adjustable limiter comprises at least two sleeves and adjusting screws; the sleeves are sleeved on the exterior of the pull rope, and the sleeves are connected through a bolt group; and the sleeves are provided with adjusting screw holes, and the adjusting screws are screwed into the adjusting screw holes to control the position of the pull rope. According to the high-permeability pull rope curtain wall, when the pull rope passes through the steel structure, the purpose of bidirectional adjustment can be fulfilled through the limiting device and the double-degree-of-freedom adjustable limiter therein, the connection is natural, the continuity of the pull rope is not damaged, the stress is reliable, and the requirement of an architect can be met; and a curtain wall form with compact permeability is provided.

The invention discloses a testing mechanism for concrete creep under the corrosion and load coupling action. The testing mechanism comprises a stress steel plate and a pressure sensor, wherein the stress steel plate is installed on the upper portion of a testing sample. The testing mechanism is characterized in that the testing sample is installed in the center of an open container containing a corrosion solution; a conductive metal net is arranged in the corrosion solution, a steel bar in the testing sample is connected with the positive electrode of a constant-voltage direct-current power source, the conductive metal net is connected with the negative electrode of the constant-voltage direct-current power source, and an electrochemical corrosion circuit is formed by the corrosion solution, the constant-voltage direct-current power source, the conductive metal net and the testing sample; a dial indicator is installed on the testing sample. The creep testing method of the testing mechanism comprises the first step of manufacturing of the testing sample, the second step of installation, the third step of loading and the like. The creep characteristics of concrete under the corrosion and load coupling action are taken into consideration and better conform to the environment state of practical engineering structures, tests have higher engineering value, and significant engineering application value and wide market application prospects are achieved.

The invention relates to a straddle method of a cantilever of a long-span simply supported steel truss beam of the horizontal curve section. The straddle method comprises calculating the lengths of main truss rods arranged on the inner side and the outer side of a cantilever span curve and main truss rods arranged on the inner side and the outer side of an anchor span curve according to the radius of a horizontal curve, the position on the horizontal curve of a bridge span structure and the main truss spacing; hoisting the main truss rods arranged on the inner side and the outer side of the cantilever span curve to the position of a permanent support arranged at the top of an Nth pier, enabling the permanent support arranged at the pier top and the main truss rods arranged on the inner side and the outer side of the anchor span curve to be connected together through a temporary connection structure and performing cantilever construction of steel beam rods along the design axis; removing the temporary connection structure after the bridge span is straddled in place. According to the straddle method of the cantilever of the long-span simply supported steel truss beam of the horizontal curve section, the horizontal pushing in-place operation of the steel beam in the process of construction is avoided successfully, the construction process is simplified, the straddle construction of the cantilever of the long-span simply supported steel truss beam of the horizontal curve section can be greatly simplified, the stress is reliable, the construction is convenient, the operation is simple, temporary construction facilities and field workloads of the pier top are reduced, the construction progress greatly speeds up, the construction cost is saved, and the economic benefit is remarkable.

The invention provides an embedded type steel anchor box, and belongs to the technical field of bridge structure design. The embedded type steel anchor box comprises a horizontal steel pulling plate, an anchor bearing plate, a seat plate, an upper force transfer plate, a lower force transfer plate, a rubber plate and a felt. The rubber plate forms a deformation cushion zone between the steel anchor beam and the concrete at the joint surface of the steel and concrete; the horizontal component force of the inhaul cable is maximally suffered by the steel anchor box via the deformation effect of the deformation cushion zone, thereby greatly reducing the horizontal force suffered by the tower wall, thus ensuring the load-bearing safety of the tower columns. The embedded type steel anchor box can be widely applied to the field of engineering design; such an embedded type steel anchor box can be installed in smaller space of tower columns of medium and small scales of cable-stayed bridge; the stress of the concrete tower wall is greatly reduced at the same time. The embedded type steel anchor box makes the structure design more flexible, makes the stress more reasonable, and makes the engineering construction convenient.

The invention discloses a combined shear connector, which comprises welding studs, wherein at least one gap is formed at the root of each welding stud in a stud rod direction; and an elastic piece is filled in each gap. The invention further provides a combined structure formed by the combined shear connector, a steel member and a concrete member, wherein the combined shear connector is in welded connection with the steel member; the concrete member is poured on the steel member; and the gap width direction of the gap is consistent with a smaller shear rigidity direction of a combined surface of the steel member and the concrete member, and orthogonal with a larger shear rigidity direction of the combined surface of the steel member and the concrete member. The combined structure has the advantages that while reliable shear rigidity of the combined surface of the steel member and the concrete member is guaranteed, shear rigidity of the combined surface is reduced; concrete tensile stress caused by concrete shrinkage and temperature changes in the combined structure of the steel member and the concrete member is effectively reduced; and initial shear rigidity of a combined surface of a prestressed concrete bridge deck slab and a steel beam is reduced and a prestress application effect is effectively increased.

The invention relates to a rigid connection joint of a steel tube concrete pile and a steel beam in a steel tube concrete structure system. The steel tube concrete pile intersects with the steel beam; the steel beam extends inwards the steel tube concrete pile; end parts of upper and and lower flange plate extension sections of the steel beam inside the steel tube concrete pile are respectively connected with end plates; upper and lower reinforcing rings are coaxially arranged inside the steel tube concrete pile and are respectively connected with an upper flange plate extension section and a lower flange plate extension section at a plane; and peripheries of an upper reinforcing ring and a lower reinforcing ring are connected with an inner wall of the steel tube concrete pile at the plane. With the adoption of the rigid connection joint, the joint is stressed more reasonably, safely and reliably; construction becomes more convenient; quality is ensured more easily; and an economic performance is improved significantly.