64results about How to "Prevent lateral shift" patented technology

The invention discloses a safety passenger elevator which is characterized in that hydraulic asymmetric safety tongs are arranged on the two sides of an elevator car in the position corresponding to elevator guide tracks. The hydraulic asymmetric safety tongs of the safety passenger elevator disclosed by the invention utilize a hydraulic principle, and when emergency brake is performed on the elevator car, the clamping force is increased smoothly, so that the comfort of passengers in the car during the emergency brake of the elevator can be increased. Furthermore, when a vertical sliding wedge block of the safety passenger elevator disclosed by the invention is lifted upwards, a horizontal sliding block translates outwards, and a hydraulic rod on the side is compressed; and as the total oil amount in a hydraulic box is constant, a hydraulic rod on the other side extends outwards, the position of a horizontal sliding wedge block is adjusted during the process, then the two sides of the elevator guide tracks are subject to the same stress, the transverse deviation of the elevator car can be avoided, and the damages to an elevator guide shoe can also be avoided.

The invention discloses a self-adaptive opening and closing rain grate, which comprises a main body, a shell and a top cover with a grid. The main body and the shell form a hollow cavity, and the neutral position of the grid is provided with a drainage switch, the drain switch includes blades with cylindrical mounting rods at both ends, the mounting rods are plugged into the main body, a rocker arm is provided at the end of the mounting rod, and a telescopic column is hinged on the rocker arm, The lower end of the telescopic column is fixed on the bottom of the shell, and the upper telescopic rod is plugged and fixed on the solid buoyancy device; the main body is provided with a water inlet, and the bottom of the shell is provided with a drain hole. The displacement of the hole is less than the displacement of the water inlet. When there is no water or the amount of water is small, the drainage switch is closed, which can isolate odor and rodents; when the amount of water is large, the blades deflect and push away the dust covered on the grid, which solves the problem of rain grates in the prior art. The grille is easily covered by dust and causes poor drainage.

The invention discloses a pressure tester for detecting compression performance of a valve. The pressure tester comprises an operating table, a top pressure type test table, a clamping jaw type test table, a medium pressure supply device and an oil pressure driving device, wherein the medium pressure supply device and the oil pressure driving device are matched with the top pressure type test table and the clamping jaw type test table respectively; both the medium pressure supply device and the oil pressure driving device are controlled by the operating table; the clamping jaw test table comprises a clamping jaw test table, a driving clamping jaw, two driven clamping jaws, a push-pull oil cylinder and three clamping oil cylinders; the driving clamping jaw is arranged on the clamping jaw test table; the two driven clamping jaws synchronously act with the driving clamping jaw; the push-pull oil cylinder is positioned in the clamping jaw test table and is used for pushing the driving clamping jaw to horizontally move; the clamping oil cylinders are used for driving the corresponding driving and driven clamping jaws to perform clamping action on the valve; and the push-pull oil cylinder and the three clamping oil cylinders are connected with the oil pressure driving device respectively. The pressure tester comprises the top pressure test table and the clamping jaw test table. Two valves can be simultaneously tested, the testing efficiency can be improved, the comprehensive utilization rate of equipment is high, and the cost is saved.

A retainer ring is provided which is capable of, effectively in practice, restraining the time taken for a break-in polish to the minimum. This retainer ring 8: is disposed inside of a holding head 4 in a CMP apparatus 1 which polishes a wafer W chemically and mechanically; has a ring shape so as to surround the periphery of the wafer W; presses a polish surface 3 a of a polish pad 3; is made of an engineering plastic material such as PPS; and has a pressure surface 8 a for pressing the polish surface 3 a of the polish pad 3 whose surface roughness is a center-line average roughness (Ra) of 0.01 mum or below.

The invention provides a writing instrument, which avoids drop when ball pen nips on cloth. Concretely, head (2) of the ball pen is located in the front part (3a) of axis (3), penpoint (9) extends from the head (2), and length of nip (4) on back of the axis (3) is approximately same to the length from back end (3b) of the axis (3) to the front part (3a) of the axis (3).

The present invention provides a cutter device for flat building materials capable of rapidly cutting flat building materials such as ceramic tiles into arbitrary sizes. The knife device for flat building materials includes a knife with an inclined table provided with a slope, a rotary blade for cutting the flat building material sliding down the slope, and a knife fixing method for setting the rotary blade at a certain height from the slope. The tool fixing method has a tool guide rail erected between two ends of the inclined table, a movable support part movable along the tool guide rail, and a tool holder mounted on the movable support part and supporting the tool housing.

A riding - type rice transplanter comprises a traveling frame (2) having traveling wheels (5, 6) driven by an engine (7), a seedling planting device (3) installed at the rear of the traveling frame (2), a traveling transmission (8(14)) for the traveling wheels (5, 6), and a gear shift pedal (12) installed at the operation control part (9) of the traveling frame. The riding - type rice transplanter further comprises an actuator (28) for shift-operating the traveling transmission and a detection means (24) for detecting the depressing operation and the releasing operation of the gear shift pedal (12). The actuator (28) operates the traveling transmission (8(14)) to an increase in speed when the detection device (24) detects the depressing operation of the gear shift pedal, and operates the traveling transmission (8(14)) to a decrease in speed when the detection means detects the releasing operation of the transmission pedal (12).

The invention discloses a release film winding and recycling device with a deviation rectifying structure. The release film winding and recycling device comprises a frame, wherein vertical plates are fixedly connected to the left side and the right side of the frame; winding rods are arranged on the inner sides of the vertical plates, and the left ends and the right ends of the winding rods penetrate through the vertical plates and are movably connected with the vertical plates through bearings; and speed reducers are fixedly connected to the left sides of the vertical plates, the bottoms of the speed reducers are fixedly connected with transmission motors, and the output ends of the speed reducers are fixedly connected with the left ends of the winding rods. According to the release film winding and recycling device with the deviation rectifying structure, a rotating wheel drives a screw rod to rotate, threads on the surface are used for driving an adjusting plate to ascend, the distance between the adjusting plate and the winding rods can be increased, and stretching rollers can tension a release film wound around the surfaces of the winding rods, so that the release film is prevented from deviating due to loosening, and the problem that the percent of pass of the release film is seriously affected due to the fact that the inclined protruding part of the release film can be damaged due to transportation extrusion after the release film is wound at will due to the fact that an existing winding device does not have the effect of preventing the release film from deviating is solved.

Provided are a chip component mounting structure and a chip component mounting method, wherein when a plurality of chip components having different heights are mounted on a substrate via an anisotropic conductive film, position gaps which occur when the chip components are pressure-bonded to the substrate are prevented, and the chip components can be accurately mounted to the substrate at target positions; and a liquid crystal display device provided with the substrate. In the chip component mounting structure, a position fixing resin (4) for maintaining the orientation of chip components (2) which are pressure-bonded to a substrate (1) via an anisotropic conductive film (7) is provided. In the chip component mounting method, after the position fixing resin (4) for maintaining the orientation of the chip components (2) which are mounted to the substrate (1) via the anisotropic conductive film (7) is applied to the substrate (1) and cured, the chip components (2) are heated at a predetermined temperature and pressed at a predetermined pressure via an elastic sheet (5) provided on the chip components (2) and, then, pressure-bond to the substrate (1) together. The liquid crystal display is provided with such a substrate.

A fuel cell stack 10 includes a stack body 14 having a plurality of power generation cells 12 that are stacked together, a pair of end plates 20a,20b, a case 22, and a coupling bar 26 provided on a lateral side of the stack body 14, between a pair of end plates 20a,20b for coupling the end plates together. Positioning structure 78 is provided in an inner surface 25 of the case 22 and the couplingbar 26, for defining positions of the inner surface 25 and the coupling bar 26 with respect to each other. The coupling bar 26 includes an engaging part 76 which engages with engaged parts 64 formed in the stack body 14, respectively, and an insulating resin layer 68 provided on a side of the coupling bar including the engaging part closer to the stack body 14.

The invention discloses a compaction mechanism of a fast-assembling dolly of an engine, and belongs to the field of equipment for vehicle detection. The compaction mechanism comprises a soleplate, four compaction assemblies are arranged on the soleplate, each compaction assembly comprises a rotating wheel, a driving belt and a weight, and each rotating wheel is connected with a hydraulic rotatingoil cylinder; and the soleplate is provided with a weight stop mechanism which comprises a sliding body and a ratchet hinged to the axial center of the weight, the sliding body comprises a spur rack and a ratchet strip fixedly connected to the spur rack, the ratchet strip is engaged with the ratchet, the spur rack is in sliding connection to the soleplate, the frame is in rotational connection with first and second rotating shafts, the rotating wheel sleeves the first rotating shaft, a first unidirectional bearing is arranged between the rotating wheel and the first rotating shaft, the gear sleeves the second rotating shaft, a second unidirectional bearing is arranged between the gear wheel and the second rotating shaft, the spur rack is engaged with the gear, and a belt is wound around the first and second rotating shafts. Via the compaction mechanism, the magnitude of a clamp force can be adjusted freely.

The invention discloses a safety passenger elevator which is characterized in that hydraulic asymmetric safety tongs are arranged on the two sides of an elevator car in the position corresponding to elevator guide tracks. The hydraulic asymmetric safety tongs of the safety passenger elevator disclosed by the invention utilize a hydraulic principle, and when emergency brake is performed on the elevator car, the clamping force is increased smoothly, so that the comfort of passengers in the car during the emergency brake of the elevator can be increased. Furthermore, when a vertical sliding wedge block of the safety passenger elevator disclosed by the invention is lifted upwards, a horizontal sliding block translates outwards, and a hydraulic rod on the side is compressed; and as the total oil amount in a hydraulic box is constant, a hydraulic rod on the other side extends outwards, the position of a horizontal sliding wedge block is adjusted during the process, then the two sides of the elevator guide tracks are subject to the same stress, the transverse deviation of the elevator car can be avoided, and the damages to an elevator guide shoe can also be avoided.

The invention discloses a strengthening construction process for a comprehensive pipe rack pre-embedded steel edge water-stop belt and a water-stop steel plate, and belongs to the field of architectural engineering. The strengthening construction process is characterized in that a plurality of positioning ribs are horizontally arranged on the bottom of the water-stop steel plate, a plurality of pairs of strengthening steel bars are mounted at the left side and the right side of the water-stop steel plate, and the water-stop steel plate is squeezed, so that the water-stop steel plate is prevented from longitudinally shifting and transversely shifting, and therefore, displacement deviation of the water-stop steel plate is greatly reduced, an accuracy rate and a qualification rate of the water-stop steel plate pre-embedding material are remarkably increased, construction efficiency is improved, construction quality is guaranteed, and specifications are met. According to the strengtheningconstruction process disclosed by the invention, a double-layer positioning box is adopted to integrally oppositely pull and strengthen the steel edge water-stop belt, so that a strengthening area between the positioning box and the water-stop belt is increased, a condition that the steel edge water-stop belt deviates when the concrete is vibrated as a result of strengthening the steel edge water-stop belt in the prior art is avoided, the accuracy rate and the qualification rate of the steel edge water-stop belt pre-embedding material are remarkably increased, construction efficiency is improved, construction quality is guaranteed, and the specifications are met.

The invention relates to an electromagnetic release which comprises a housing and a base which form an accommodating space. A coil wound on a coil framework, a yoke, an armature, magnetic steel and a tension spring are arranged in the accommodating space. An ejector rod penetrating through the top end of the housing can move upwards under the action of the armature. The yoke is U-shaped. A first arm of the yoke extends into the through hole of the coil framework. A pressure reed is fixedly mounted on the side surface of a second arm of the yoke, and two shoulder parts are formed at the upper end of the pressure reed and extend into a hinging groove of the armature. Lugs are respectively formed on the two sides, close to the front end of the armature, of a top plate of the coil framework. The lugs are arranged at the position close to the front end of the armature, so that the armature is prevented from generating transverse deviation, the armature is limited to rotate on a middle plane, and the stable rotation of the armature is effectively ensured.

The invention discloses a TSV (through silicon via) chip bonding structure, belonging to the technical field of micro electronics. The bonding structure comprises a first chip and a second chip, wherein the first chip comprises a first micro bump and first surrounding structures around the first micro bump; the height of the first surrounding structures is more than that of the first micro bump; the second chip comprises a second micro bump; the second micro bump is embedded into the first surrounding structures and the first surrounding structures restrict lateral displacement of the second micro bump; the second chip also comprises second surrounding structures; and the first surrounding structures are embedded into the second surrounding structures and the second surrounding structuresrestrict lateral displacement of the first surrounding structures. The TSV chip bonding structure can be used in such fields as manufacturing of semiconductor devices and the like.