42results about How to "Continuous force" patented technology

The invention relates to a slidable spherical hinge support with great anti-pulling force, comprising a base, a top plate, a support bottom plate, a spherical hinge supporting structure, a force transfer piece and an anti-pulling piece, wherein the spherical hinge supporting structure is positioned in the base; the base and the top plate are integrated into a whole to form a support shell; the support bottom plate is positioned below and fixed with the support shell; the support shell is provided with an inner cavity; the spherical hinge supporting structure, the force transfer piece and the anti-pulling piece are all positioned inside the inner cavity of the support shell, wherein the spherical hinge supporting structure is positioned on the bottom of the inner cavity and is supported on the support bottom plate; the top surface of the spherical hinge supporting structure supports the force transfer piece; a base and a vertical main body of the force transfer piece form a reverse T shape structure as a whole; the anti-pulling piece is arranged around the vertical main body of the force transfer piece and is supported on the base of the force transfer piece; the upper surface of the anti-pulling piece is limited by the inner surface of the top of the support shell; the vertical main body of the force transfer piece passes out from the top surfaces of the anti-pulling piece and the support shell, and is used to be connected with other construction pieces. The spherical hinge support has great anti-pulling force, which is suitable for building structures.

The invention provides an L-shaped precast concrete wall connection, belonging to the technical field of the building structures. The L-shaped precast concrete wall connection comprises a first precast concrete wall and a second precast concrete wall, wherein longitudinal penetrating holes are formed on the precast concrete walls on the connection side in the vicinity of end faces and a plurality of transverse grooves crossing with the longitudinal holes are oppositely formed on the end faces; first and second thin plates extend from the connection-side end faces of the first and second precast concrete walls, respectively; a first horizontal reinforcing steel bar extending to the edge of the first thin plate is arranged in the first precast concrete wall, while a second horizontal reinforcing steel bar and a first embedded column stirrup both extending to the edge of the second thin plate are arranged in the second precast concrete wall; cast-in-place concrete is poured in the space formed by the first and second thin plates, the longitudinal holes and the transverse grooves; and a second embedded column stirrup and a vertical reinforcing steel bar are arranged in the cast-in-place concrete. The L-shaped precast concrete wall connection is capable of improving the integrity of the assembled integrated concrete structure and improving the performance of the building structures.

The invention discloses a suction disc towel rack and aims to provide a suction disc towel rack with stable structure and long service life. The suction disc towel rack is mainly characterized by comprising a towel supporting rod and a suction disc base connected to the towel supporting rod, wherein the suction disc base comprises a bracket used for fixing a through hole of the towel supporting rod and a suction disc component hinged to the bracket; a protrusion butting against the suction disc is arranged at one end, hinged to the suction disc component, of the bracket; a support bar butting against the outer surface of the suction disc component is arranged on one side of the bracket; a fixing block used for fixing the bracket is arranged at the bottom of the bracket; both the upper part and the lower part of the suction disc component slightly butt against the bracket, namely, the bracket is stably connected with the suction disc component through cooperation of the bracket protrusion, the bracket hinging end and the bracket upper support bar. The suction disc towel rack is reasonable in structure, convenient to use and excellent in effect.

The invention discloses a suction cup spoon basket, and aims to provide a suction cup spoon basket which is stable in structure and long in service life. According to the technical scheme, the suction cup spoon basket is characterized by comprising a spoon basket body and a suction cup base connected with the spoon basket body; the suction cup base comprises a support detachably connected with the spoon basket body and a suction cup assembly hinged to the support; a limiting groove is formed in one side of the spoon basket body, and a water collection drawer is arranged at the bottom of the spoon basket body; a protrusion abutting against the suction cup assembly is arranged at the end, hinged to the suction cup assembly, of the support, a supporting strip abutting against the outer surface of the suction cup assembly is arranged on one side of the support, and a fixing block used for fixing the support is arranged at the bottom of the support, namely, the support and the suction cup assembly are stably connected through cooperation of the protrusion on the support, the hinging end of the support and the supporting strip on the support. The suction cup spoon basket is reasonable in structure, convenient to use and good in effect, and the spoon basket body can be well fixed.

The invention discloses an experimental device for simulating the excavation of a tunnel crossing a fault, comprising a test box body, a loading structure, a support structure, a force-transmitting steel plate, surrounding rock simulation materials, fault simulation materials, and a tunnel lining model; the experiment box body is without a cover Box-shaped structure; surrounding rock simulation materials, fault simulation materials, and tunnel lining models are all located in the experimental box; the tunnel lining model is equipped with differential digital display displacement gauges and strain-type earth pressure cells on the outside of the primary lining; one end of the loading structure is connected to the The support structure is connected, and the other end is connected to the force-transmitting steel plate; the force-transmitting steel plate is facing the opening surface of the experimental box, and is used to squeeze the surrounding rock simulation material in the experimental box. In the present invention, a plurality of pressure transmission blocks are movably connected to the bottom surface of the force transmission steel plate, and the pressure transmission block is driven by the driving member to move axially along the force transmission steel plate, and squeezes the surrounding rock simulation material in the experimental box, thereby adjusting the surrounding rock simulation material The local pressure improves the flexibility of experiment parameter adjustment.

The present invention provides a refrigerator. The refrigerator of the present invention comprises: a cabinet provided with a storage room with an open front; a drawer disposed in the storage room in a removable manner, including a first roller portion and a guide rib extending toward the taking-out direction ; the second roller part is arranged at the front end of the storage chamber to support the underside of the guide rib in a movable manner; the first roller guide is arranged on both sides of the storage chamber to provide the first The moving path of the roller; and the movable support part, which is arranged in the storage room, can be taken out in a manner linked with the drawer, and is arranged at the lower part of the drawer to support the load of the drawer; the guide rib It includes a first inclined portion inclined backward from the front end of the drawer, the first roller portion is provided at the rear end of the drawer, and the rear end of the first roller guide is aligned with the second roller guide. An angle of inclination of the inclined portion is inclined downward in the rearward direction in a corresponding manner.

The invention proposes an automatic force exerting device and a method for an air floatation rotor gyroscope dynamic pressure motor gap measurement, which belong to the spaceflight inertial device precision technology field. The automatic force exerting device comprises three-axis precise displacement platforms, a control loop circuit, a force sensor installation plate, a dynamic pressure motor, a left side fixing plate, a right side fixing plate, a horizontal plate and a middle clamping device. The three-axis precise displacement platforms are mounted on the horizontal plate. The three precise displacement platforms are vertical to each other in the moving direction to form a Descartes rectangular coordinate system. The fixing devices at two sides are used to have the middle clamping device fixed, and the middle clamping device realizes the tight clamping of the dynamic pressure motor via the closed finger clamping body. The automatic force exerting device of the invention is applied to the method for measuring the air floatation rotor gyroscope dynamic pressure motor gap, and comprises two fixed ends and a tightly clamped middle to realize automatic circle adjustment and automatic force exertion. With the invention, it is possible to realize the continuous controlling and loading of force and to realize the automatic circle adjustment to a tested component based on the device of the invention.

The invention provides a connecting structure of a prefabricated concrete wall body and belongs to the technical field of building structures. The connecting structure of the prefabricated concrete wall body comprises a first prefabricated concrete wall body and a second prefabricated concrete wall body, wherein longitudinal through holes are arranged at the positions close to the end faces of the first prefabricated concrete wall body and the second prefabricated concrete wall body, and the end faces of the first prefabricated concrete wall body and the second prefabricated concrete wall body are correspondingly provided with a plurality of transverse grooves. The end face of the first prefabricated concrete wall body is provided with a first U-shaped steel bar protruding outward from the inside of the wall body, the end face of the second prefabricated concrete wall body is correspondingly provided with a second U-shaped steel bar protruding outward from the inside of the wall body, the intersected portions of the first U-shaped steel bar and the second U-shaped steel bar form a rectangular steel bar ring, and cast-in-place concrete is arranged in spaces among the transverse grooves, the longitudinal through holes and the prefabricated concrete wall bodies. The connecting structure can improve integrity of an assembled monolithic concrete structure and the performance of a building structure.