366results about How to "Press firmly" patented technology

The present invention provides a screw tightening diagnostic device which can easily and reliably detect a state of incomplete screw tightening and can allow reliable screw tightening work to be performed. The screw tightening diagnostic device comprises rotational torque detection means for detecting that rotational torque occurring in a rotating shaft of an electric driver has reached a preset rotational torque within a predetermined time range past a minimum required screw-tightening time that has been set in advance according to the length of the screw being tightened, pressure force detection means for detecting that pressure force created by the electric driver pressing the screw when the screw is being tightened has reached a preset pressure force, and screw tightening diagnostic means for diagnosing that screw tightening has been performed in a normal manner when the rotational torque detection means detects that the preset rotational torque has been reached within the predetermined time range past the minimum required time and the pressure force detection means has detected the preset pressure force.

The invention discloses a fixture for elbows with space curves as axes. The fixture comprises a fixture main body, a supporting and adjusting mechanism and a clamping device. The fixture main body is used for fixing and consists of a fixture body and pressing edges with holes. the pressing edges are arranged at two edges of the fixture body, the fixture body and the pressing edges are integrated, the fixture body is fixed onto a worktable by bolts via the holes at the pressing edges, the supporting and adjusting mechanism consists of sliders, slider supporting guide plates, slide grooves, springs, pressure plates, adjusting bolts and fixing screws, the clamping device comprises screw stems, the screw stems are symmetrically arranged on upper end surfaces and lower end surfaces of the slider supporting guide plates and are connected with the corresponding sliders in a threaded manner, first locking nuts and second locking nuts are arranged at joints of the upper portion of the screw stems and outer end surfaces of the slider supporting guide plates, and V-shaped chucks are disposed at lower ends of the screw stems. The fixture is simple in structure and convenient in use and maintenance, can firmly and reliably compress the elbows with optional space curves as axes, and brings convenience for machining.

The invention concerns an equipment for non-contact temperature measurement (1) of samples of materials (2) arranged in a vacuum chamber (12). A UV lamp (6) illuminates the samples (2) through a window (4), so as to subject them to a predetermined thermal cycle and to perform an environmental test, in particular for materials designed for space missions. An external pyrometer measures the temperature of the samples (2) through a window (6). It is associated with a scanning module (9) including a mobile mirror, with two axes of rotation and three orthogonal axes of translation, arranged on the optical path of the infrared radiation (R_ir) so as to obtain a two-dimensional scanning of each sample (2) by means of a measuring spot focused on the surface of the samples. In a preferred embodiment, the samples are of slight thickness and locked pressed against a convex support The whole assembly is monitored by an automatic data processing system with recorded programme (10).

In a component insertion apparatus, there are provided a component insertion apparatus and a component insertion method capable of realizing productivity improvement by simplifying apparatus construction, downsizing the apparatus and further reducing the time required for component insertion. In a component insertion head, by grasping of a device portion of a component by a device chuck, a lead wire is stretched on a fulcrum given by a grasping position of the lead wire by a transfer chuck so that the device portion comes to be placed at a component insertion position, by which correction of insertion posture of the component is performed, and the lead wire of the component that has been corrected in its insertion posture is inserted into an insertion hole of a board.

This underwater vehicle for cleaning submerged surfaces comprises a chassis and at least one brush for cleaning the surface to be cleaned, rotationally driven by a motor about an axis of rotation of this brush, the brush being able to move, with respect to a fixed part of the vehicle, in a translational movement along its axis of rotation in such a way that it can be pressed firmly against the surface to be cleaned under the effect of a vacuum created by the rotation of the brush, the brush comprising a rotation shaft inserted into a sleeve that rotates as one with the brush and rotationally driven by a drive system, the brush rotating as one with the sleeve because of fingers fixed to the sleeve and inserted into holes of the brush with the possibility of sliding parallel to the axis of rotation of the brush.

The invention discloses a multi-station machine tool for machining air intake and exhaust rocker arms of an automobile. The multi-station machine tool comprises workpiece air intake and exhaust rocker arms and a disc type turntable base which is placed on a worktable of the machine tool and can turn around an axis, wherein a plurality of machining stations which are located through workpiece air intake and exhaust rocker arm holes are distributed on the disc type turntable base, the workpiece air intake and exhaust rocker arms are placed at the machining stations, locating members are plugged into the rocker arm holes for location, and clamping devices which can be used for automatically plugging/unplugging the locating members into/from the workpiece rocker arm holes are further arranged at the machining stations. With the adoption of the technical scheme of the invention, the clamping devices are located through the rocker arm holes, one-step clamping and continuous machining are carried out, and the machining accuracy of the rocker arms is guaranteed; the multi-station machine tool in the technical scheme of the invention has the advantages that the locating accuracy is high, the compatibility is strong, the rigidity is good, multiple actions in machining can be realized, the machining accuracy is guaranteed, and the defects in the prior art that a lot of people and repeated clamping are required, the requirements on the rigidity of the clamping devices are very high, and the machining accuracy of the workpieces is still hard to guarantee due to the fact that the rocker arm workpieces are machined by adopting a disc type multi-station machine tool are overcome.

The invention relates to a fastening means for preferably fastening a glass pane (12) in a frame structure made of wood or plastic material. The fastening means according to the invention is characterized by the following elements: several angular clamping pieces (1) and a holding rail (9), wherein each of the angular clamping pieces comprises two legs extending perpendicularly to each other and the vertical leg comprises a plate-like fastening portion (4), which extends from the center part thereof outwardly at a predetermined distance to the horizontal leg and is shorter than the angular clamping piece itself, wherein the holding rail (9) extending along the glass pane is provided in its longitudinal direction with a groove (10), the with thereof matching to the thickness of the fastening portion, and wherein, in the mounted state, the glass pane contacts at its backside the stop provided in the frame (11), several angular clamping pieces are tightly pressed to the front side of the glass pane and fixed by fixing elements (7), and the holding rail (9) is pressed onto the fastening portion (4) by its longitudinal groove (10).

A developing cartridge (27) that maintains a pressing condition to press a developer carrier (39) against the image carrier (29) is described. The developing cartridge (27) may include a coil spring (218) that presses the developer carrier (39) against the image carrier (29). The coil spring (218) may include a handle (214) that transmits a pressing force to the coil spring (218) via the contacting member (217). By doing so, every time the developing cartridge (27) is replaced, a new coil spring (218) and handle (214) can be provided for the color laser printer (1) with the developing cartridge (27) attached. Therefore, a constant pressure by the coil spring (218) can be continuously maintained. Thus, a preferable pressure condition of the developer carrier (39) against the image carrier (29) can be continuously maintained.

The invention discloses a three-claw inner support clamp assembly. A supporting frame, a small bevel gear shaft, a large bevel gear, a first lead screw, a second lead screw, a lead screw nut, a connecting block and a disc spring are included. A fixing base with a middle opening is arranged on one side of the supporting frame. The small bevel gear shaft is in meshing transmission with the large bevel gear located at the center position of the supporting frame. The large bevel gear is in transmission connection with the lead screw nut through a first screw. The first lead screw and the second lead screw are fixedly connected and combined into an ejector rod lead screw. A guiding base is located above a bearing block, and rotation of the ejector rod lead screw is limited through cooperation of a guiding key in the guiding base and a key groove in the surface of the second lead screw. The rotating power of the small bevel gear shaft drives the large bevel gear to rotate through cooperationof the small bevel gear shaft and the large bevel gear, the lead screw nut connected with the large bevel gear drives the ejector rod lead screw to ascend and descend at the same time so that a sliding block can be driven to move in the horizontal direction, accordingly, axial force is further converted into horizontal force, and the function of workpiece pressing is achieved.

The invention relates to a glow plug comprising a housing in which an inner conductor is disposed, a metal sleeve which is inserted into the housing, and a ceramic glow pin which is disposed in the metal sleeve, wherein the two ends of the glow pin protrude from the metal sleeve and the rear end of the pin is connected to the inner conductor, and wherein the metal sleeve has a tapering section at the rear end, the section enclosing a tapering section of the glow pin. According to the invention, the glow pin is pressed into the metal sleeve. The invention further relates to a method for connecting a pin made of functional ceramic to a metal sleeve.

Provided is a spring operating mechanism. The problem that an existing brake opening pawl is not reliable in actions is solved. The spring operating mechanism comprises a front plate, a middle plate and a base plate, wherein an output spindle is arranged between the front plate and the base plate, a brake opening half shaft and a mounting shaft are arranged between the middle plate and the front plate, a press crank arm is arranged on the output spindle, a brake opening pawl is arranged on the mounting shaft and comprises a pressing block and a limiting block, and the first state that the pressing block is pressed by the press crank arm, the second state that the limiting block is pressed to enable the limiting block and the brake opening half shaft to be clamped mutually, the third state that the pressing block rotates to enable the press crank arm to be limited in rotation and the fourth state that the brake opening pawl resets to enable the pressing block and the press crank arm to be unlocked after brake opening are set for the pressing block. The spring operating mechanism is provided with the pressing block and the limiting block, so that the press crank arm of the output spindle can reliably press the pressing block, the pressing block reliably drives the limiting block to move and enables the limiting block to be reliably clamped with the brake opening half shaft.

The invention discloses production equipment for plastic drainage strips. The equipment comprises a driving device, and also comprises a feeding device, a pressing device and a winding device from end to end in turn, wherein a plurality of groups of raw materials are parallelly arranged in the feeding device; each group of raw material comprises a core plate coil (5), an upper filter membrane coil (7) and a lower filter membrane coil (21); and the driving device is connected with and drives the pressing device. After the structure is adopted, the plurality of groups of raw materials are parallelly arranged in the feeding device, namely a plurality of drainage strips can be produced at one time simultaneously, so that production efficiency is greatly improved.

A steering column with a steering-column tube, a steering spindle and at least one steering bearing for the rotatable mounting of the steering spindle in the steering-column tube, the steering bearing having an outer ring sitting in the steering-column tube, an inner ring and rolling bodies arranged between the outer ring and a track section of the inner ring, wherein the inner ring bears against the steering spindle at only two points and, for this purpose, has a first section which axially adjoins the track section and bears under prestress against the steering spindle at the first point, and a second section which is axially spaced apart from the first section, which axially adjoins the track section, and which has a first end of the inner ring in interaction with the steering spindle at the second point.

In a shank portion of an end mill which is chucked by a tool holder, flat surfaces are formed at a plurality of circumferential positions in the outer periphery of the shank portion so that the flat surfaces abut on side lock bolts attached to a body of the tool holder.

The invention relates to a battery module having a plurality of battery cells, in particular lithium-ion battery cells, having a plurality of partitions (4), wherein a battery cell (2) is arranged between two partitions (4), and a spring element (6) is furthermore arranged between two partitions (4) adjacent to a battery cell (2), in particular a tension and/or compression spring element, which is arranged in a manner contacting and/or connected to the two partitions (4) such that a value of a deformation constant (12) of the spring element (6) determines a force transmitted by the two partitions (4) to the battery cell (2).

The invention discloses a stamping process profile compensation method for a vehicle roof cover with a sunroof. A stamping process for the vehicle roof cover with the sunroof comprises the following four procedures: 1. drawing; 2. trimming, punching and side shaping; 3. trimming, flanging and shaping; 4. trimming, punching, side punching, side shaping and upward flanging. As for the stamping process profile compensation method, die profiles from the first procedure to the third procedure are compensated. Through the method of the invention, the stamping process profiles are compensated by thepreliminary CAE analysis, and the process compensation scheme is formulated at the process design stage, thereby greatly reducing the die debugging workload, shortening the die forming cycle of complicated panel dies such as the roof cover, reducing die development costs, and improving the quality of the large panel dies.

The invention discloses a hot sizing device and hot sizing method for a thin-wall stamping part, and aims at solving the problems of warping and deformation of the thin-wall stamping part which is subjected to hot sizing to improve the production efficiency and reduce the production cost. The adopted technical scheme is as follows: the hot sizing device comprises a bottom plate (1) and positioning pins (5), wherein the positioning pins (5) are fixedly arranged at two ends of the bottom plate (1); the bottom plate (1) is provided with a plurality of loading boxes (2), a plurality of thin-wall stamping parts (3) can be placed in the loading boxes (2) in a stacked way, cavities inside the loading boxes (2) are matched with the thin-wall stamping parts (3) in size structure, and the stacked height of the plurality of thin-wall stamping parts (3) is aligned to the upper planes of the loading boxes (2); and the upper ends of the loading boxes (2) are provided with press plates (4), and the press plates (4) are sleeved on the positioning pins (5) so as to press the thin-wall stamping parts (3) in holes of the loading boxes (2).

The invention discloses a fine double-sided planer which comprises a machine frame, wherein two rotary lower plane cutters are supported by the machine frame, the positions of the two lower plane cutter corresponds to a work table, two rotary upper plane cutter are further arranged above the work table, and cutter shafts of the upper plane cutters and cutter shafts of the lower plane cutters are in parallel mutually; a plurality of lower feeding rollers are further supported by the machine frame in a rotary mode, the lower plane cutters and the lower feeding rollers are arranged in a mutuallystaggered mode, a plurality of upper feeding roller assemblies are arranged above the work table, the upper plane cutter and the upper feeding roller assemblies are arranged in a staggered mode, and feeding roller spindles of the upper feeding roller assemblies are parallel to the axes of the lower feeding rollers; the feeding roller spindles and the lower feeding rollers are connected with a feeding roller speed reducer respectively through upper feeding roller driving cardan joints and lower feeding roller driving cardan joints. The planer can provide strong, powerful and stable pushing feeding force and a reliable press restraining effect for wood; furthermore, the planer can achieve one-step type rough planing and fine planing on the wood.

The invention relates to a pole-climbing robot. The pole-climbing robot comprises at least two climbing blocks, a flexible hooping piece and a tightening driving device, wherein the at least two climbing blocks are used for being distributed in the circumferential direction of a pole piece to be clamped, climbing wheels are arranged on the sides, which face the pole piece, of the climbing blocks,at least one climbing wheel is a driving wheel, and the driving wheel is in transmission connection with a wheel driving mechanism; a guiding telescopic structure is arranged between any two adjacentclimbing blocks and used for guiding the two corresponding climbing blocks to get close to each other in the opposite direction to press the pole piece and guiding the two corresponding climbing blocks to get away from each other in the opposite direction to release the pole piece; the flexible hooping piece extends in the distribution circumferential direction of all the climbing blocks, the flexible hooping piece is hooped on all the climbing blocks during tensioning, the tensioned flexible hooping piece applies hooping acting force to all the climbing blocks to drive all the climbing blocksto get close to each other, and then the climbing wheels of all the climbing blocks are pressed on the pole piece; and the tightening driving device is arranged on the corresponding climbing blocks and is in transmission connection with the flexible hooping piece so as to be used for tensioning the flexible hooping piece.