17results about How to "Avoid bending and breaking" patented technology

The invention belongs to the technical field of tunnel supporting, and particularly relates to a yielding type constant-resistance energy absorption steel arch. The steel arch is formed by assembling a plurality of profile steel units and a plurality of constant-resistance yielding devices, and the constant-resistance yielding devices are arranged among the profile steel units; the constant-resistance yielding device comprises an outer supporting frame and an inner supporting frame, one end of the inner supporting frame extends into the outer supporting frame, the inner supporting frame moves in a guiding mode along the outer supporting frame, and constant-resistance friction structures are arranged on the mutual contact faces of the outer supporting frame and the inner supporting frame. A constant-resistance sleeve is arranged on one of the outer supporting frame and the inner supporting frame, an anchor cable is arranged on the other one of the outer supporting frame and the inner supporting frame, one end of the anchor cable penetrates into the constant-resistance sleeve, a constant-resistance sliding body is arranged on the portion, penetrating into the constant-resistance sleeve, of the anchor cable, and the constant-resistance sliding body slides in the constant-resistance sleeve in a guiding mode with constant resistance. The constant-resistance yielding device can play a dual constant-resistance yielding role, so that the steel arch can play a good supporting role on the basis of adapting to surrounding rock deformation, and the safety of a supporting system is improved.

The anti-freezing device comprises a lower cylinder body and an upper cylinder body, the top face and the bottom face of the lower cylinder body are open, the bottom face of the upper cylinder body is open, the top face of the upper cylinder body is sealed, the upper cylinder body is movably installed at the upper end of the lower cylinder body, and the upper cylinder body and the lower cylinder body are connected in a sliding mode. A plurality of first air holes penetrating through the lower cylinder body are formed in the middle lower position of the lower cylinder body; and a plurality of second air holes penetrating through the upper cylinder body are formed in the middle upper position of the upper cylinder body. According to the utility model, the lower cylinder body and the upper cylinder body are entirely irradiated on the wolfberry seedlings, the lower ends of the insertion columns are inserted into soil, then the pointed-end sticks are inserted into the insertion holes, and the pointed-end sticks are inserted into the soil, so that the lower cylinder body and the upper cylinder body are firmly fixed on the surface of the soil and cover the wolfberry seedlings; accumulated snow and freezing rain can only cover the surface of the upper barrel body, and the situation that the surfaces of the Chinese wolfberry seedlings are bent and broken due to the fact that the accumulated snow and the freezing rain cover the surfaces of the Chinese wolfberry seedlings is avoided.

The invention belongs to the field of industrial hosts, and discloses an intelligent industrial data analysis and processing host which comprises a support and further comprises a machine body, a collection wire, a detection head, a hollow cylinder, an L-shaped supporting plate, a protection assembly, a transmission driving assembly and an impact fixing assembly. Through the synergistic effect of multiple structures such as a nitrile rubber shock pad, a limiting plate, a limiting groove and a first spring, the negative effects such as deviation and component looseness caused by vibration of a host are relieved, vibration collection stability is guaranteed, meanwhile, the protection assembly can protect the detection head during external impact, and the detection efficiency is improved. The modular design and the gas circuit sealing structure further improve the universality of the equipment and the reliability of data acquisition, so that the functions of vibration buffering, accurate acquisition, impact protection and automatic reset of the host are realized through the linkage of the protection assembly, the transmission driving assembly, the hollow cylinder and the detection head, the service life of the host is prolonged, and the data acquisition accuracy is improved.

The utility model discloses a universal submarine optical cable connector box which comprises an upper box cover and a lower box cover, two ends of the upper box cover and two ends of the lower box cover are respectively provided with a plurality of semi-spherical holes, a same ball shaft is rotatably installed in every two semi-spherical holes corresponding in position, one end of each ball shaft is connected with a threading pipe, the outer wall of one end of each threading pipe is provided with an external thread, and the outer wall of the other end of each threading pipe is provided with an external thread. According to the utility model, an optical fiber passes through the threading pipe and the ball journal, and the light is locked in the threading pipe through the sleeve, so that the positions of the ball journal and the sleeve on the light are fixed, and after the ball journal and the sleeve are combined through the upper box cover and the lower box cover, the light can be fixed in the threading pipe. The ball hole is formed by the two semispherical holes, so that the ball shaft can be freely adjusted in the ball hole under the action of external force, the hard impact of seabed ocean current on the connecting part of the connector box and the optical fiber is relatively reduced, and the problem that the optical fiber is bent and broken is avoided.

The application discloses a comprehensive distribution box for smart grid, and relates to the technical field of distribution boxes.The comprehensive distribution box for smart grid comprises a main body, an adjusting assembly is clamped in the inner cavity of the main body, and the adjusting assembly is adjusted synchronously along with the wiring channel demand; a splicing assembly is assembled at the end of the adjusting assembly, and the splicing assembly is used for lengthening or width adjusting of the wiring channel.The comprehensive distribution box for smart grid can accurately adjust the width of the wiring channel according to actual demand through the adjusting mechanism, can ensure that the space can be fully utilized under various environments, and can avoid unnecessary waste; the size of the wiring channel can be accurately controlled by adjusting the end of the line, space waste can be avoided, and the wiring layout can be optimized; meanwhile, the end of the wiring channel is adjusted, the channel width can be quickly expanded or reduced according to the change of the load, and the comprehensive distribution box for smart grid is suitable for different scenes.

The invention provides an optical fiber collimator, an MEMS optical acceleration sensor and a preparation method. The optical fiber collimator comprises a self-calibration coupling unit, a self-focusing collimation unit and a light beam steering adjusting unit. The self-calibration coupling unit is provided with an axial inner hole, and the self-focusing collimation unit and the light beam steering adjusting unit are both installed in the axial inner hole and are oppositely arranged. The first end face, facing the self-focusing collimation unit, of the light beam steering adjustment unit is not perpendicular to the axis of the axial inner hole. Light rays incident through the self-focusing collimation unit are reflected by the first end face to be turned and emitted out of the self-calibration coupling unit; the optical fiber collimator integrates the light beam steering and angle adjusting functions, after the system is installed, the direction of the emergent light beam can be optimized in real time by adjusting the light beam steering adjusting unit in the circumferential direction, and the installation difficulty is greatly reduced.

The invention provides a method for preventing a pole piece from being bent and fractured, which is characterized in that the amount of powder of the pole piece in a partial bending area is controlled according to a certain rule, and the acting force of the powder in an area with larger curvature on a current collector is reduced, so that the pole piece is prevented from being locally or completely fractured at the bending part; through two items of inspection, the accuracy and the action range of the position of the local thinned area are ensured, the improvement effect of the technology on the bending fracture of the pole piece is exerted to a greater extent, the problem that the thick coated pole piece or the high compacted pole piece is locally or completely fractured at the bending position is solved, and the reliability of the pole piece is improved. And a thick-coated pole piece and a high-compaction pole piece can be effectively prevented from being broken at the bending part.

This utility model discloses a rice cooker temperature detection device, relating to the field of rice cooker temperature detection technology, including a temperature sensor, a rice cooker lid, and a rice cooker ECU. This utility model uses a temperature sensor sealed to the lid, with the sensor probe extending into the pot. After being sealed to the lid by a sealing ring, the internal temperature is not leaked out, ensuring a small error between the temperature detected by the sensor and the actual temperature inside the pot. The sensor probe is a high-precision NTC thermistor, encased in a high-efficiency stainless steel probe shell. A shell fixing plate is provided on the probe shell to fix it to the rice cooker lid, ensuring accurate positioning of the temperature sensor probe. The other end is connected to the rice cooker ECU via a wiring harness connector, feeding back the temperature detected by the sensor probe to the ECU. The ECU then instructs the thermostat to adjust the internal temperature of the rice cooker during operation, facilitating precise control of the internal temperature, improving the fluffiness and texture of the rice.

The invention provides a cable connection protection device and a use method thereof, and relates to the field of cable connection. The cable connection protection device comprises a plurality of connecting parts used for fixing two connecting parts of a cable, the connecting parts are annularly distributed on the outer ring of the cable, the insulating tape is continuously bundled from one end of each connecting part to the other end of each connecting part, and each connecting part comprises connectors located at the two ends and a connecting piece in the middle. The connector comprises a clamping part which is semi-embedded into the cable insulation layer. The connecting part which can be clamped in the insulating layer and wrapped, wound and fixed through the insulating tape is arranged at the cable insulating layer, bending resistance can be achieved through the strength of the connecting part, meanwhile, the two ends of the connecting part are clamped in the insulating layer, the cable connecting position can be protected, the connecting position is prevented from being bent and broken, and the service life of the cable is prolonged. Meanwhile, breakage during stretching is avoided.

This invention relates to a method for manufacturing a flexible circuit board with bending capability. The method includes providing a circuit board body, which includes a first board area, a second board area, and a first bending region for bending. The first bending region is located at the junction of the first and second board areas. A first adhesive mechanism is attached to the first bending region. The circuit board body is bent such that the first board area extends along a first direction and the second board area extends along a second direction. The first adhesive mechanism is held between the first and second board areas at the first bending region and adheres to both sides of the first and second board areas. The bent circuit board body is placed on a fixture, and a first protective film is wrapped around the outer wall of the bent circuit board body. This invention reduces the risk of breakage and saves on protective film material by first attaching the first adhesive mechanism, then bending the circuit board body, and finally attaching the protective film.

The present invention discloses a composite foundation of controllable rigid piles and compacted gravel piles and a construction method thereof, the foundation comprising a soft soil foundation, a sand cushion layer laid on the soft soil foundation and a drainage ditch arranged outside the sand cushion layer; a plurality of rigid piles are arranged in the soft soil foundation; a sleeve is arranged on the rigid pile, the top of the sleeve extends upward to the top surface of the sand cushion layer, and the bottom end of the sleeve is contracted to tightly sleeve the rigid pile; the sleeve is respectively connected to a grouting pipeline and a grouting pipeline; cement slurry is injected into the sleeve, and a cover plate is arranged on the sleeve; a plurality of gravel piles are evenly arranged in the sand cushion layer around the cover plate, the top of the gravel pile is flush with the top surface of the sand cushion layer, and the bottom end of the gravel pile penetrates the sand cushion layer and extends into the soft soil layer. The composite foundation of controllable rigid piles and compacted gravel piles of the present invention can reduce the maximum-minimum principal stress difference and shear stress of the foundation soil, thereby improving the foundation stability.

This invention provides an automated magnet feeding, handling, and orderly arrangement device, comprising a frame, at least one set of feeding mechanism, handling and handling mechanism, and dispensing mechanism arranged sequentially along the magnet transmission direction on the frame, and a controller; the feeding mechanism, handling and handling mechanism, and dispensing mechanism are electrically connected to the controller; the feeding mechanism is used to separate a single magnet from a magnet assembly and push it along the Y-axis to the picking position of the handling and handling mechanism; the handling and handling mechanism is used to attract the single magnet located at the picking position and arrange it regularly onto the dispensing mechanism; this invention achieves automated magnet feeding, handling, and orderly arrangement processes with high precision and stability, high production efficiency, low production cost, and high practicality.

This utility model discloses a wiring device for high-voltage switchgear. The device includes a housing, a wiring port located on the upper inner front surface of the housing, a clamping assembly located on the housing surface below the wiring port, and a clamping assembly located below the clamping assembly. When wiring of different materials needs to be connected, or when wiring needs to be tidied and pressed, the telescopic rod and spring are compressed to retract, placing the wiring between the clamping rings and simultaneously into the pressure groove. The wiring end is inserted into the wiring port, and the tension on the pressure plate is released. The telescopic rod and spring push the side plate backward, causing the telescopic plate to slide into the telescopic groove, which in turn causes the pressure plate to press the wiring backward. Simultaneously, the lower clamping rings clamp the wiring backward, ensuring the wiring is firmly and stably held vertically within the pressure groove, preventing bending or breakage of the wiring at the wiring port.

The utility model relates to the technical field of lasers, in particular to a semiconductor laser. The semiconductor laser provided by the utility model comprises a packaging shell, the packaging shell comprises a bottom wall and a side wall, and an accommodating cavity with an opening at one side is enclosed between the side wall and the bottom wall; a light outlet communicated with the containing cavity is formed in the upper edge of one side wall. According to the semiconductor laser provided by the utility model, the light outlet is arranged at the upper edge of the side wall, so that the distance between two semiconductor lasers can be reduced when a plurality of semiconductor lasers are coupled without bending the optical fiber, the volume of the coupled semiconductor lasers can be reduced, and the space is saved; and the optical fiber can be prevented from being bent and broken.

The invention relates to the technical field of ozone cleaning, and discloses a clean room ozone automatic release control device which comprises a control cabinet, a cabinet door is hinged to the front side face of the control cabinet, a controller is fixedly connected to the inner wall of the top of the control cabinet, and a mounting sliding rail is fixedly connected to the bottom face of the inner wall of the control cabinet. When the ozone generator is installed, the installation clamping frame is pushed into the control cabinet, so that rapid installation of the ozone generator is completed, the control cabinet can protect the ozone generator, it is avoided that the ozone generator is impacted, consequently, the ozone generator is unstable during ozone generation, and then potential safety hazards are generated, the positioning claw hook rotates to reset, the clamping shaft is clamped to the U-shaped fixing piece, and then the installation clamping frame is fixed; the ozone generator is more stable after being installed, the situation that the ozone generator shakes due to the environmental influence is avoided, the stability of the ozone generator during ozone generation is further improved, and the safety of the device is further improved.

The application relates to the technical field of cables, and discloses a composite overhead cross-linked polyethylene insulated cable which comprises a wire slot, a fastening ring, a sealing groove body, an extension arm assembly and a joint frame body, the wire slot is arranged on an insulation layer and a filler, an optical fiber is arranged in the wire slot, the sealing groove body is fixedly arranged in the wire slot, the fastening ring is fixedly connected to the insulation layer, the opening is fixedly connected to the edge of the sealing groove body, the extension arm assembly is arranged on the side of the optical fiber away from the sealing groove body, the extension arm assembly is detachably connected to the optical fiber, the extension arm assembly is used for traction of the optical fiber, the joint frame body is fixedly connected to an electric core, the joint frame body is fixedly connected to the fastening ring, the joint frame body is fixedly connected to the sealing groove body, and the joint frame body is used for connection with a power transmission line. Through the technical scheme, the problem that the optical fiber of the cable composed of the optical fiber and the electric core is easily interfered by the cable at the joint is solved.

The utility model relates to the technical field of semiconductor diodes, and discloses a diode with a pin protection function, which comprises a protection frame body, the upper end of the protection frame body is movably provided with a protection cover, a pin protection assembly is arranged below the protection frame body, one side of the protection frame body is provided with a buckle assembly, and the buckle assembly is connected with the protection cover. A working assembly is arranged in the protection frame body, the pin protection assembly comprises an extension pipe, the extension pipe is fixedly communicated with the lower end of the protection frame body, and a mounting groove is formed in the extension pipe. According to the diode with the pin protection function, through the installation of the pin protection assembly and the cooperation between the extension tube and the installation groove, the protection tube with the installation block can be installed in the extension tube, then the hole groove is formed, the situation that the conduction performance of the pin is affected after the pin is wrapped is avoided, and the protection tube can support the pin; therefore, the pins are prevented from being bent and broken, and the protection degree of the pins is improved.