68results about How to "Release the constraints" patented technology

The invention provides a multifunctional water-entering slamming experiment casting device. A pair of No.1 T-shaped brackets are installed on the upper end of a device fixing rack, an angle adjustment rotating shaft is installed between the two No.1 T-shaped brackets, an angle adjusting plate is installed on the side surface of the device fixing rack, an angle fixing groove is formed in the angle adjusting plate, the upper part of a linear motion bracket is fixedly connected with the end part of the angle adjustment rotating shaft, the lower part of the linear motion bracket is installed in the angle fixing groove in an adjustable manner via a screw, the top end of the linear motion bracket is provided with a motor in an inverted manner, an output shaft of the motor is connected with a lead screw, a linear motion pedestal is installed on the lead screw, a pair of No.2 T-shaped brackets are installed on the linear motion pedestal, a motion supporting rod is installed between the two No.2 T-shaped brackets, and the lower end of the motion supporting rod is provided with a structure to be casted. The multifunctional water-entering slamming experiment casting device is simple and convenient in structure, is easy to install and detach, has the advantage of functional diversification, can realize the multi-type water-entering casting function, satisfies precision of multifunctional water-entering experiments, and can save experimental expense and cost.

The invention belongs to a part for a lorry, in particular to an incorrect rotation preventing device of a transmission mechanism, solving the problem that a bottom door of the traditional lorry is easy to be incorrectly operated so as to cause running safety accidents and economic losses. The incorrect rotation preventing device of the transmission mechanism comprises an L-shaped limitator assembled with a transmission shaft of the transmission mechanism into a whole, the lower end of a suspension link which can be hung on the limitator is rotatablely arranged at the lower end of a rotation arm, the upper end of the rotation arm is rotatablely arranged on a supporting seat through the rotation shaft, a tie line between an upper limit contact point of the suspension link and the surface of the inner side of the limitator and a rotation centre of the suspension link is located below the rotation shaft of the rotation arm, and a tooth-type ratchet wheel and a pawl mechanism which prevent reversion of the rotation arm are arranged on the rotation shaft. The invention has the advantages of novel structure, reliable incorrect rotation preventing performance, good security performance and convenient operation, effectively prevents incorrect rotation of a switching mechanism of the bottom door of the lorry, not only can be applied to the lorry, but also can be popularized and applied to incorrect rotation of other transmission shafts.

An imaging device including: plural pixels each including a photodetector; plural reading circuits associated with the plural photodetectors, each reading circuit including a first MOS transistor charging/discharging a photodetector and a second MOS transistor converting charges to be output by the photodetector into voltage; an electronic processing circuit configured to process the voltages outputted by the reading circuits; a first substrate on which are formed the pixels and the reading circuits, and a second substrate, distinct from the first substrate, on which is formed the electronic processing circuit, the second substrate being linked electrically to the first substrate by an electrical interconnection forming an electrical link between the reading circuits and the electronic processing circuit.

The invention discloses an overhead cast-in-place box beam pressure-bearing strut and relates to overhead concrete box beam hole-by-hole casting construction work. The overhead cast-in-place box beam pressure-bearing strut comprises a support body (1), a reinforced support (2) and a crossed support (10). The support body (1) is composed of a plurality of scaffolds (3). A supporting base (5) and a bracket (6) are arranged at the top end and the bottom end of a vertical supporting rod (1.1) respectively. The bracket (6) is provided with distribution beams (7) in an overlapped mode, and the distribution beams (7) comprise a first distribution beam (7.1) placed in the middle and second distribution beams (7.2) placed on two sides. The second distribution beams (7.2) are provided with wing plate supports (8) in an overlapped mode, and the first distribution beam (7.1) and the wing plate supports (8) are provided with formworks (9) in an overlapped mode. The overhead cast-in-place box beam pressure-bearing strut is convenient to assemble and disassemble, high in mechanical degree, quick in transferring, and capable of improving construction efficiency of cast-in-place box beams. According to the overhead cast-in-place box beam pressure-bearing strut, overlapping accuracy of the support body can be controlled easily, cost performance is high, construction time is short, and modern construction demands can be met. The invention further discloses a construction technology of the overhead cast-in-place box beam pressure-bearing strut.

The invention discloses a gait rehabilitation robot for implementing walking foot posture. The robot comprises a rack, a power device and a transmission device, wherein a suspension device is arranged on the rack; end actuation mechanisms are arranged on left and right sides of the rack, have the same structure, and have the motion phase angle of 180 degrees; the power device is used for driving the two end actuation mechanisms through the transmission device; the suspension device is used for partially reducing weight of a patient, and the end actuation mechanisms are used for driving foot movement of the patient by virtue of pedals, so that the lower limbs are driven to complete the gait rehabilitation training. According to the gait rehabilitation robot, each end actuation mechanism comprises a track generation unit and a posture control unit, the track generation unit is used for generating wrinkle joint motion tracks, and the posture control unit is used for controlling the foot posture; and the foot posture when a user walks normally can be accurately implemented due to the combined mechanism formed by the end actuation mechanisms and connecting rods through cams, and the robot can be controlled only by a uniform-velocity motor. The gait rehabilitation robot has a good rehabilitation training effect and low manufacture cost, and is suitable for general families.

To safely test a ground fault breaker by separating a ground fault detecting circuit from a main circuit with a simple operation when performing a voltage-withstanding test for the breaker having a main body case with a wiring breaker, components of a ground fault detecting/separating device mounted therein. The breaker with overcurrent and ground protection functions mounts a ground fault separating device including a main contact 2, an opening/closing mechanism 3, an operation handle, an overcurrent separating device 5 and a ground fault detecting circuit 7 for opening/closing a main circuit 1, and applies an interphase voltage of the main circuit 1 to the detecting circuit via a power supply line 9 wired between the detecting circuit. The breaker has a switch 21 for the voltage-withstanding test for switching on or off the circuit of the power supply line 9 connected to the detecting circuit in conjunction with opening/closing operations of the main contact, and, as the switch 21, an auxiliary switch of an attachment, for example, is used to separate the detecting circuit from the main circuit in conjunction with the opening pole operation of the main contact when performing the voltage-withstanding test.

A dihedral shaped device is provided, which includes two plates forming between them an angle of [pi]−2[alpha], where 0<[alpha]<[pi]/4. Each plate has a ground plane, at least one dielectric layer and a network of radiating elements. An incident wave is reflected by the device by virtue of a double reflection from both plates. The network of radiating elements of each plate allows a phase shift to be generated, from the exterior towards the centre of the dihedron, along an axis perpendicular to an axis of intersection of the two plates, according to a set phase law, allowing a deviation to be introduced relative to a specular reflection for a given operating frequency.

The invention discloses a highway vibration and noise reduction construction device and a construction method thereof, and belongs to the technical field of highway railing construction; the highway vibration and noise reduction construction device comprises a supporting seat, a clamping device, an impact device and a pre-transmission device; one end of the clamping device is slidably connected tothe supporting seat and can move along a vertical space, and the other end of the clamping device is used for clamping a railing; the impact device is connected to the supporting seat; the impact device is positioned above the clamping device; the impact device moves from top to bottom to form kinetic energy so as to give a downward movement trend to the railing; according to the invention, a part of kinetic energy formed by the impact device can be transmitted to the railing, so the railing has an initial kinetic energy; the impact device and the railing gradually approach until the impact device is in contact with the top of the railing, the impact device continues to push the railing to move synchronously, so the kinetic energy generated by the impact device from top to bottom starts to be completely transferred to the railing, and then the bottom of the railing is inserted into soil.

The invention discloses a multi-degree-of-freedom hip supporting and detecting device applied to a lower limb rehabilitation robot. The multi-degree-of-freedom hip supporting and detecting device comprises a mounting pedestal, an X-direction moving mechanism, a Y-direction moving mechanism, a Z-direction rotating mechanism and a sensor detection module. The mounting pedestal comprises a top connection board, a middle connection board and a bottom connection board connected with a robot body; the middle connection board can move in the X direction through the X-direction moving mechanism; the top connection board can move in the Y direction through the Y-direction moving mechanism; the Z-direction rotating mechanism can move in a rotary manner relative to the top connection board, and is provided with a hip connecting position; and the sensor detection module comprises two linear displacement detection units which respectively detect the X-direction moving displacement and the Y-direction moving displacement and an angular displacement detection unit used for detecting the Z-direction rotating angular displacement. The multi-degree-of-freedom hip supporting and detecting device has multiple degrees of freedom, constraints to the patient's limbs are released, the scientificity and comfort level of the rehabilitation training are improved, and the moving state of the patient's hip joint can be detected in real time.

Provided is a method for supporting an immersive media service by a media transmission device. The method comprises the steps of: determining at least one space among a plurality of spaces of interest (SOI) based on SOI description information; and transmitting, to a media reception apparatus, partial SOI description information among the SOI description information and partial immersive media data among immersive media data, wherein the partial SOI description and the partial immersive media data corresponds to the determined at least one SOI, wherein the partial SOI description information includes at least one of identification information for the at least one SOI, a space range indicator for an object of interest (OOI), a priority indicator for the OOI, or an object vector for the OOI.

The present disclosure relates to an animal collar. The animal collar comprises a collar body (1) formed in a ring shape, at least a portion of the collar body (1) forms an adjustment structure (2) ofwhich the length in the circumferential direction of the collar body (1) is changeable, the adjustment structure (2) comprises a flexible section (21) and a constraint section (22), the constraint section (22) is configured to be disconnectable, and the length of the flexible section (21) in the circumferential direction of the collar body (1) is increased. By means of the technical scheme, the animal collar is simple in structure and convenient to manufacture, and when the constraint section is broken, the length of the flexible section in the circumferential direction of the collar body canbe increased, so that the diameter of the collar body is increased, and the size of the animal collar can be adjusted conveniently under the condition that an animal wears the animal collar.

The invention discloses a construction tool for removing a pull rod in soil. The construction tool comprises a water supply unit and a hollow tube. The water supply unit comprises a high pressure water supply device and a high pressure pipeline connected with a water outlet of the high pressure water supply device, the water outlet end of the high pressure pipeline and the outer end part of a hollow pipe are connected, and the inner end part of the hollow pipe is used for being aligned with the surrounding soil in the pull rod in the soil. A flat water outlet is formed in the end opening of the inner end part of the hollow pipe. An arc-shaped plate of a Luoyang shovel structure is further connected to the inner end of the hollow pipe. The arc-shaped plate adopts a single-layer structure or a double-layer structure with a cavity, the end opening of the inner end port of the hollow pipe is connected with an inlet of the cavity of the double-layer structure, and an outlet of the cavity is an arc-shaped nozzle arranged along the arc of the arc-shaped plate. The invention further discloses a method for removing the pull rod in the soil. The pressure of high pressure water is used for washing away the soil around the pull rod in the soil, so that a gap is formed around the pull rod in the soil, the constraint of the surface soil on the pull rod in the soil is removed, and then the external force is adopted to pull out the pull rod in the soil. The method is simple and convenient, easy to operate, low in cost, high in efficiency and high in success rate.

The invention relates to an oil tube overflow control device, in particular to a fishing oil tube overflow controller. The fishing oil tube overflow controller is characterized in that a shell is internally provided with a core, the top end of the core is provided with an end cover, and a centralizer body penetrates through the end cover to be fixed with the core by a suspended body. The invention has the advantages of simple structure, reliability and convenient operation, a fishing head is coordinated with common detecting fishing tools and equipment; and additional equipment are in no needof being purchased.

The invention discloses a construction method of a concrete frame structure with beam end restraining and releasing functions. The construction method comprises the following steps of (1) establishing the positioning of floor columns, distributing column ribs and establishing templates to beam bottoms; (2) establishing a floor system template supporting frame, and establishing a floor system template; (3) distributing plate bottom steel bars; (4) putting beam main ribs into template grooves; (5) distributing constraint removing plates on the side surfaces of beam ends, wherein the positions of floor plate bottom ribs which are anchored on beams or cross the beams can be adjusted, the constraint removing plates are distributed on the side surfaces of the beam ends, the bottom surfaces of fine aggregate concrete layers of the constraint removing plates are attached to stirrups at the beam sides, the thickness direction of the constraint removing plates is vertical to the axial direction of the beam, and the constraint removing plates are vertically arranged on the upper surfaces of the plate bottom steel bars; (6) distributing plate surface steel bars, wherein the constraint removing plates are clamped between the plate bottom steel bars and the plate surface steel bars; (7) integrally pouring concrete on a floor system, wherein the constraint removing plates are sealed on the beam side surfaces. According to the construction method of the concrete framework structure with the beam end constraining and releasing functions, which is disclosed by the invention, the constraint between the beams and floor plates is removed, and the anti-seismic effect is increased.

The invention provides a memory alloy constrained detonation device, and belongs to the technical field of detonation. The memory alloy constrained detonation device comprises a detonation transmission part, memory alloy actuators, a driving spring, a steel ball, a status switch, an electric detonator, a detonating part, a body, a pressing screw, a large pressing screw and a bolt. At ordinary times, the two memory alloy actuators are used for locking the detonation transmission part at a position far away from the electric detonator, meanwhile, the status switch provides short-circuit protection for the electric detonator and plays a part in status indication, and even if the electric detonator accidentally works, the detonation transmission part is not detonated; after the memory alloy actuators are electrified and work, the locking of the detonation transmission part is relieved, the driving spring drives the detonation transmission part to move till the detonation transmission partis aligned with the electric detonator, and the status switch switches and disconnects short-circuit protection for the electric detonator; and after any electric detonator works, the detonation transmission part can be detonated, and then detonates the detonating part. The memory alloy constrained detonation device has the advantages of long-range control, high safety, reliable working, status indication and the like.

The invention discloses an instrument such as a screwdriver for fastening screws in a surgical operation. The instrument disclosed by the invention is formed by improving the existing screwdriver composed of a screwdriver handle and a screwdriver rod with a screwdriver head. The instrument disclosed by the invention has the concrete structural characteristics that a positioning boss is arranged on the screwdriver rod, a compression spring is sleeved on the boss, a sleeve barrel is sleeved on the screwdriver rod positioned at the front end of the spring, two groups of spring pieces are fixed on the inner wall of the sleeve barrel by using a fixing device, wherein the first group of spring pieces are composed of curved spring pieces, the bulge of each spring piece points to the surface of the screwdriver rod, and the sleeve barrel is fixed outside the screwdriver rod in a sliding way under the action of the bulge of each curved spring piece and the surface of the screwdriver rod; and the second group of spring pieces are composed of three beveled spring pieces which are separately arranged, wherein an included angle between the end part of each spring piece and the axial line of the screwdriver rod is 40 degrees.