32results about How to "Reduce pressure per unit area" patented technology

The invention relates to an electromagnetic sucking-disc claw. The electromagnetic sucking-disc claw comprises a handle, an insulation plate, a connection block enabling the handle and the insulation plate to be connected, screws, a fixed plate and an electromagnetic sucking disc, wherein the handle is connected with the connection plate through a nut; the connection plate is connected with the insulation plate; four screws are uniformly distributed on the panel of the insulation plate; the insulation plate is connected with the fixed plate through the screws; the electromagnetic sucking disc is cylindrical, and arranged under the fixed plate. The electromagnetic sucking-disc claw disclosed by the invention has the advantages that the structural design is reasonable, the adopted electromagnetic sucking disc adopts a cylindrical structure, and the periphery of the electromagnetic sucking disc is in a circular arc shape, so that serious collision cannot be generated, and the electromagnetic sucking-disc claw has low danger; a gasket is arranged under the nut at the connected position of the handle and the connection plate, and has the effects of lowering the pressure of a unit area and protecting the surface of a connected part from being damage; a pair of grooves are symmetrically formed in the upper part of the handle, so that the structural design of the grooves is reasonable, and the connection of the electromagnetic sucking-disc claw with an external mechanism is convenient; the electromagnetic sucking-disc claw adopts direct currents, is good in stability, large in sucking force, little in residual magnetism, and reasonable in overall structural design.

A medical holding arm is described, comprising at least one joint (24, 26, 28, 30, 32) with two joint bodies (40, 42) which are pivotable relative to each other about a pivot axis (D), wherein a first of the joint bodies (40) has a plurality of locking pins (46) and a second of the joint bodies (42) has a plurality of locking recesses (48), the number of locking pins (46) differs from the number of locking recesses (48), the locking pins (46) each have an axially tapered engagement part (66), the locking recesses (48) are each axially tapered to receive each of the engagement parts (66) for locking the joint (24, 26, 28, 30, 32), and, when the joint (24, 26, 28, 30, 32) is locked, at least one of the locking pins (46) is received with its tapered engagement part (66) completely in one of the tapered locking recesses (48), while at least one of the other locking pins (46) is received with its tapered engagement part (66) only partially in one of the other tapered locking recesses (48). The engagement part (66) of the respective locking pin (46) has at least one first flattened contact face (68), and the respective locking recess (48) has at least one second flattened contact face (72). When the engagement part (66) of the locking pin (46) is received in the respective locking recess (48), the first and second contact faces (68, 72) are at least partially in planar contact with each other.

A huge liquid truck with high cross-country power is composed of main body, running unit with 2-4 wheels arranged at left and right of liquid tank, drive system and liquid tank with liquid inlet and outlet and large height (3-8m). Said wheel may be caterpillar track or tyre wheel. If it is the tyre wheel, its height is greater than the height of liquid tank and the tyre wheel can be used as liquid tank for storing liquid in it.

The invention discloses a mooring fender device. Each fender body (1) is internally provided with transverse installation rope holes (2) and longitudinal installation rope holes (3), the transverse installation rope holes (2) and the longitudinal installation rope holes (3) penetrate through the fender body (1), a transverse installation rope (4) penetrates through the transverse installation rope holes (2), and a longitudinal installation rope (5) penetrates through the longitudinal installation rope holes (3). Each fender body (1) located on the outer side of the mooring fender device is provided with a transverse locking ring (6) and a longitudinal locking ring (7). The part, between every two adjacent fender bodies (1), of the rope body of each transverse installation rope (4) is sleeved with a transverse separation cushion (8). The part, between every two adjacent fender bodies (1), of the rope body of each longitudinal installation rope (5) is sleeved with a longitudinal separation cushion (9).

A mechanically controllable valve drive arrangement includes gas exchange valves each having cylinders associated therewith, a camshaft comprising a peripheral contour, a bearing, an adjusting lever comprising a first end and a second end, a valve lift adjustment device comprising a control shaft which acts on the first end, and a transmission arrangement associated with a respective gas exchange valve. The adjusting lever is supported in the bearing. Each transmission arrangement comprises at least one intermediate lever arrangement comprising an engagement element, and an intermediate lever comprising a working cam, and at least one pivot lever arrangement comprising a pivot lever. The working cam is operatively connected to the pivot lever. The intermediate lever is operatively connected to the peripheral contour. The engagement element is operatively connected to the valve lift adjustment device. The second end of the adjusting lever is operatively connected to the engagement element.

The present invention relates to a dual-mass flywheel comprised of a primary mass which can be connected to the output shaft of an engine, and of a secondary mass which can be connected to the input shaft of a transmission, these masses being positioned concentric and axial to one another by means of at least one bearing and being able to rotate relative to one another in a limited manner againstthe action of a damping device with energy storage mechanisms. The energy storage mechanisms are accommodated in an annular ring-like chamber, which is formed by the components of the primary mass and which contains a viscous medium.

The invention relates to a thermoplastic fuel tank (1) for motor vehicles, with at least on stiffening element within the fuel tank (1), wherein the stiffening element extends between two opposite tank walls (4) in such a manner that it counteracts deformation caused by internal pressure of the fuel tank (1). According to the invention, two ends of the stiffening element arranged within the fuel tank (1) engage behind the tank wall (4) from the outside.

The invention discloses a general fixing device for laser cutting. The general fixing device is characterized by comprising two relatively parallel guide rails, wherein sliding plates are arranged on the opposite surfaces of the two guide rails and comprise side plates connected with the guide rails, lower plates integrally connected with the side plates and upper plates connected with the side plates in a sliding manner; and fixing pieces for fixing workpieces with different widths are arranged on the upper plates. The general fixing device is applicable to the workpieces with different widths and different thicknesses, and has the characteristics of simple structure, convenience in use and low cost.

The invention discloses a laser cutting fixing device which is characterized by comprising two relatively parallel guide rails. The opposite surfaces of the two guide rails are provided with sliding plates, the sliding plates comprise side plates connected with the guide rails, upper plates and lower plates, wherein the upper plates and the lower plates are integrally connected with the side plates and used for clamping to-be-cut workpieces. The upper plates are provided with fixing parts. The laser cutting fixing device is simple in structure, convenient to use, low in cost and wide in applied range.

The invention relates to a medical holding arm, comprising at least one joint (24, 26, 28, 30, 32) with two joint bodies (40, 42), which are mutually mutually movable about an axis of rotation (D). Torsion, wherein the first joint body (40) of the joint body has a plurality of locking pins (46) and the second joint body (42) of the joint body has a plurality of locking recesses (48), the locking The number of the pins (46) is different from the number of the latching recesses (48), the latching pins (46) respectively have an axially tapered engaging portion (66), and the latching recesses (48) are respectively axially tapered Tapered for selectively, latching joints (24, 26, 28, 30, 32) to selectively receive each of said engagement portions (66), and at joints (24, 26, 28, 30, 32) During locking, at least one of the latching pins (46) with its tapered engagement portion (66) is completely accommodated in one of the tapered latching recesses (48), while at least one of the other latches The locking pin ( 46 ) with its tapered engagement portion ( 66 ) is only partially received in one of the other tapered latching recesses ( 48 ). The engagement portion (66) of the corresponding latching pin (46) has at least one flattened first abutment surface (68), and the corresponding latching recess (48) has at least one flattened second abutment surface (72). ). The first and second abutment surfaces (68, 72) are at least partially in surface contact with each other when the engagement portion (66) of the corresponding latching pin (46) is received in the corresponding latching recess (48).

The invention relates to a roller bearing (1) for two components (2, 3) that can be at least axially moved toward one another, wherein the roller bearing (1) has roller elements (5) that are arranged in at least two rows which are aligned in the axial movement direction, and first tracks (6) for the roller elements (5) that are arranged on the first component (2) and second tracks (8) for the roller elements (5) that are arranged on the second component (3), wherein the roller bearing (1) has sensor equipment with a signal encoder (22) and a sensor (21) comprising two sensor elements (13, 14), the first sensor element (13) is arranged in an immobile fashion relative to the first component (2) and the second sensor element (14) is arranged in an immobile fashion relative to the second component (3).

The invention discloses a berthing fender device. Each fender unit (1) is provided with a horizontal installation rope hole (2) and a longitudinal installation rope hole (3). The installation rope hole (3) passes through the fender unit (1), through the horizontal installation rope (4) in the horizontal installation rope hole (2) and the vertical installation rope in the vertical installation rope hole (3) ( 5), the fender unit (1) located outside the berthing fender device is provided with a horizontal locking ring (6) and a longitudinal locking ring (7), and every two adjacent fender units (1) The horizontal spacer (8) is sheathed on the rope body of the horizontal installation rope (4) between each two adjacent fender monomers (1) and is covered with a Longitudinal septa (9).

The present invention discloses a laser cutting fixture comprising two relatively parallel guide rails, each of which is provided with a slide plate on its opposite face. The slide plate comprises a side plate connected with the guide rails, a lower plate integrally connected with the side plate, and an upper plate slidably connected to the side plate, and the upper plate is provided with a fixing member. The laser cutting fixture is applicable to workpieces of different thickness, and has the advantages of simple structure, convenient use and low cost.

The invention relates to an end profile on slide bearing complementary elements, which comprises a pin (22) and at least one bearing sleeve (24, 24') receiving said pin (22). The pin receives an off-center force (F) that acts at a right angle to the bolt / bearing sleeve unit (20). The at least one bearing sleeve (24, 24') is cylindrical and the pin (22) tapers to the axial end from defined positions. The invention also relates to a geometrically opposite geometry of pin and bearing sleeve.

A doorstop that includes a retainer piece disposed on one of a door and a door support, the retainer piece including a plastic housing with a main opening and a guide opening arranged perpendicular to the main opening and parallel to a pivot axis of the door. The doorstop also includes a door retaining rod articulated on the other of the door and the door support. The door retaining rod passes through the main opening of the retainer piece housing and includes a brake ramp and a catch depression on a side of the door retaining rod. The doorstop also includes a catch device configured to determine specific door opening positions. The catch device includes a brake body and a spring. The catch device connects the retainer piece and the door retaining rod to each other in a moveable manner. The brake body includes a hollow cylinder having a semi-spherical closed end and an open end and is slidingly disposed in the guide opening of the retainer piece. The open end accommodates the spring so that the closed end is pre-tensioned by the spring relative to the brake ramp and catch depression and is guided in the guide opening free of tilt.

The invention relates to a planing device having a planing chain which is guided inside a channel (2) having an inside radius (A1) and the chain links of which each have chain plates (5) and chain pins (6) connecting the latter. In cross section, the chain pins (6) each have an outside radius that extends along a chord length, wherein the inside radius (A1) of the channel (2) and the outside radius of the chain pins (6) are at a ratio of from 1:0.8 to 1:1.2 to one another.

The invention discloses a multi-position neurosurgery operating bed which comprises a bed body mechanism, a head fixing mechanism and a supporting unit. A left body supporting area and a right body supporting area in the bed body mechanism can be overturned upwards, and a transverse moving supporting area can move transversely; a plurality of bandages for fixing the body of a patient are arranged on the operating bed, the head fixing mechanism is used for effectively fixing the head of the patient and is mounted at the front end of the bed frame to form a moving pair, and a silica gel pad in the supporting unit can be overturned according to the contact angle with the body of the patient, so that the contact area is increased, and the pressure per unit area is reduced; the height position of an ejector rod in the supporting unit can be intelligently adjusted according to a pressure value detected by a pressure sensor, so that the supporting force of each ejector rod is close to the same, the situation that local pressure is too large is avoided, and when the upper computer detects that the patient keeps the same body position for more than one hour, the patient can keep the same body position. The support array in each support area can actively relieve the pressure of the patient.

According to the invention, a brake disc for a disc brake is provided; the brake disc comprises a brake disc fixing drum and at least one friction ring connected with the brake disc fixing drum through rivets. A section with reduced wall thickness is arranged on the peripheral wall of the brake disc fixing drum; the brake disc is characterized in that the section is an axially directed material recess on the outer circumference of the peripheral wall of the brake disc fixing drum; the material concave part is used for arranging an axially directed rivet as close as possible to the peripheral wall of the brake disc fixing drum; the rivets also individually center the friction ring (2) and the brake disc fixing drum (3) made of light metal to each other.

An adjustable axial piston machine includes a housing, a pivot cradle and a bearing shell which is arranged between the housing and the pivot cradle. The bearing shell includes a bearing section in the shape of an annular section with an inner end and a bearing shell end region which extends in one plane with an outer end. A bearing surface, the geometry of which corresponds to the bearing section, is provided on the housing. An outer supporting force point at the outer end and an inner supporting force point at the inner end lie on a straight line which extends on the inner supporting force point tangentially with respect to the bearing section. If a force is present in the circumferential direction of the bearing section, the inner supporting force point and the outer supporting force point are subjected to a supporting force substantially parallel to the straight line.

The invention provides an underwater with a healthcare effect and anti-skid shoulder straps, and relates to the technical field of clothes. The underwater with the healthcare effect and the anti-skidshoulder straps comprises an underwear main body, wherein the underwear main body comprises a bra and shorts; the underwear main body is provided with a plurality of layers of cloth; an absorption ventilation layer is arranged on the innermost side of the underwear main body, and a negative ion layer, a far infrared layer, a magnetomotive layer, an organic germanium layer and a nano silver layer are sequentially arranged from inside to outside; the top of the bra is connected with a top belt; one end, far away from the bra, of the top belt is connected with a clamping strip; the outer wall ofthe clamping strip is connected with a clamping belt in a clamped mode; the end, far away from the clamping strip, of the clamping belt is fixedly connected with the shoulder straps; and the shoulderstraps are provided with pressure reducing strips. The underwater with the healthcare effect and the anti-skid shoulder straps has the advantages of being breathable, comfortable to wear, capable of activating cells, enhancing immunity, improving blood circulation and having sterilization performance, and the shoulder straps are not easy to slip and do not cause unsmooth blood circulation of shoulders.