52results about How to "Meet length requirements" patented technology

The invention discloses an extension structure of a pipeline laying drilling machine. The extension structure comprises a mounting bottom plate, wherein a fixed support is arranged on the mounting bottom plate; a pipe pushing telescopic piece is arranged on the fixed support; the pipe pushing telescopic piece is connected with a pipe holding device; the pipe pushing telescopic piece drives the pipe holding device to advance and retreat along the mounting bottom plate; the mounting bottom plate comprises a fixed plate and a movable plate which are in sliding fit with each other; the movable plate slides linearly along the fixed plate, and the sliding direction of the movable plate is consistent with the telescopic direction of the pipe pushing telescopic piece; the movable plate retreats to the fixed plate to form a storage state, and extends out of the fixed plate to form a working state; the fixed support is arranged on the fixed plate; and the pipe holding device is positioned on the movable plate. The extension structure has the remarkable effects that a base for the pipe holding device to walk is arranged in a sliding fit way in a segmented way, so that a short storage state for transportation and transfer can be formed, and the flexibility and the passing ability during transfer and transportation are enhanced; and a long working state for pipe pushing can be formed, so that stable support is provided for the movement of the pipe holding device.

The invention provides a distributed video transcoding method applicable to frame rate up-conversion. Frame information of an input video is read before the video is subjected to transcoding, and available cutting points are determined. According to the frame rate of the input video, the frame rate of an output video, and the length of an image group, the unit length of a fragment is computed, andthen the length of the fragment except redundancy is computed, and according to the distribution of the cutting points of the input video, a cutting scheme with redundancy is determined. After the video is fragmented according to the cutting scheme, the video fragment is decoded and processed in a distributed manner according to an output parameter, and meanwhile, the quantity of redundant videoframes needing to be cut off at the start and end positions of the fragment is computed. The front redundancy and back redundancy of a video stream after processing are cut off according to a computing result, coding is performed and the video fragments are spliced into the complete video code stream according to a time sequence, and then the complete video code stream is multiplexed and packagedwith an audio stream. According to the method provided by the invention, the redundancy is introduced to solve the video quality loss when fragmenting is performed during distributed video transcoding, and meanwhile the distributed frame rate up-conversion transcoding of the image group with the fixed size is achieved.

The invention discloses a medical material for treating uterine prolapse. The medical material is characterized in that an anchor net is arranged to be a strip-like sheet, wherein clamping fins raised and extending from the two side edges are arranged at the bottom of the anchor net; cutting separation lines are arranged on an upper section of the anchor net on a body of the anchor net; when the anchor net is transversely sheared at the upper ends of the cutting separation lines, the anchor net at the positions of the cutting separation lines on a lower section can be separated into net pieces; a lead fixing hole and a bottom fixing hole are formed at an interval along the length direction of the anchor net in the lower section of the anchor net; the line end of a suspending line can sequentially penetrate through the bottom fixing hole and the lead fixing hole and form a contracted and fixed net knot around the lead fixing hole surrounding the anchor net. According to the medical material, the anchor net can be ensured to be accurately placed, the net pieces are conformally and loosely rooted to the abdominal wall to ensure and improve the anchor effect of the anchor net in the abdominal wall, and the middle part of the suspending line is accurate in positioning.

The invention relates to a straw cleaning and harvesting device with three cutter shafts and belongs to the technical field of agriculture and husbandry machinery. The straw cleaning and harvesting device with three cutter shafts is mainly applied to different types of straws and can be used for cleaning and harvesting standing or laying straws. According to the design, straw is smashed and rubbed mainly through a front cutter shaft, a middle flail cutter shaft, a rear auger, an adjustable fixed cutter and a fixed cutter welding part, the smashed straw is cleaned through fan blades and feeding cylinders on two sides, such that a straw smashing effect and a straw rubbing effect are better, and forage is cleaner.

The invention discloses a multifunctional earphone, comprising a connecting line, earphones and speaker grills; the tail of the connecting line is provided with an extending line; the surfaces of the earphones are uniformly coated with waterproof materials; a speaker grill is provided at a speaker mouth; the periphery of the speaker grill is adhered to a housing of an earphone through organic glue; the connecting interface between the connecting line and the earphones is provided with a tearing resistance sleeve. The multifunctional earphone can meet requirements for earphone line length by different players through the extending line; the tearing resistance sleeve can effectively prevent earphone lines from being torn and protect the earphone lines; meanwhile, the multifunctional earphone is waterproof, thus can be used for swimming, diving, etc.

The invention discloses a grass trimmer according to which the problem that a connecting rod is large in occupied space and unfavorable for transportation and packaging is solved. According to the technical scheme for solving the problem, the grass trimmer mainly comprises a machine body, a connecting rod and a handle. The machine body and the handle are connected with the two ends of the connecting rod respectively, and the connecting rod comprises a first connecting pipe, a second connecting pipe and a pipe sleeve. The end of the first connecting pipe is arranged at one end of the pipe sleeve in a sleeved mode, the pipe sleeve is in clamped connection with the first connecting pipe, and the other end of the pipe sleeve extends into the second connecting pipe and is in threaded connection with the second connecting pipe. The connecting rod not only facilitates users' dismantling and installation, but also enables the joint of the first connecting pipe and the second connecting pipe to be good in strength and rigidity, and relative vibration between the first connecting pipe and the second connecting pipe is avoided.

The invention discloses a telescopic pipe. The telescopic pipe comprises an inner pipe and an outer pipe which is connected to the exterior of inner pipe in a sleeving mode, and is characterized in that the inner pipe is provided with an elongated allowance in the axial and/or radial direction of the inner pipe, and the allowance can be released when the inner pipe is filled with water and regenerated after the water filling state is eliminated; the outer pipe is used for the receiving of the inner pipe in the condition that the allowance of the inner pipe is in a non-released state, and for the forced expansion when the allowance of the inner pipe is released, and the expansion includes the elongation of the axial and/or radial direction of the outer pipe and is reversible or partially reversible. The telescopic pipe is provided with the inner pipe and the outer pipe, the inner pipe can be lengthened in the axial direction, and the outer pipe can be stretched by elastic deformation inthe axial direction; and through the coordination of the outer pipe and the inner pipe, a smaller size can be achieved due to the existence of external pipe elastic force when the telescopic pipe isnot used, and when the telescopic pipe is in use, the elastic elongation of the outer pipe can be overcome under the action of water pressure to meet length requirements for corresponding use.

The invention provides a novel settlement type wire hanging ladder. The novel settlement type wire hanging ladder comprises a suspension ladder body, limiting joints, a self-locking wire hanging headand a hanging head connecting rack, wherein the limiting joints are movably connected to the lower end of the hanging ladder body; the self-locking wire hanging head is hung to and matched with a wire; the hanging head connecting rack enables the self-locking wire hanging head to be movably connected to the lower end of the limiting joint; the self-locking wire hanging head comprises a transverseconnecting seat, a first extending part which vertically downward extends along one side end of the transverse connecting seat and a second extending part which vertically downward extends along the other side end of the transverse connecting seat; the tail end of the first extending part is inward concaved to form an arc shape; the tail end of the second extending part is bent to form a barb; andthe barb is hung to and matched with the wire. The novel settlement type wire hanging ladder disclosed by the invention has the advantages of convenience in operation, specified use, safety and reliability; the self-locking wire hanging head as the wire is connected with a stress buckle; and the hanging head connecting rack is used as an angular transformation structure, is matched with the limiting joint and is connected with the hanging ladder body so as to provide a safe and reliable channel for workers to carry out work at wires.

The invention discloses a diffuse reflection LED line lamp. The diffuse reflection LED line lamp comprises a first line lamp body, a second line lamp body and a power connector. The first line lamp body and the second line lamp body each comprise a first end cover, a second end cover, a base plate, an outer shell, a reflecting piece, an LED lamp strip, a power source, a power source input line, apower source output line, a first input socket and a second input socket. One end of the power connector is connected with the other end of a second input socket of the first line lamp body, and the other end of the power connector is connected with the other end of a first input socket of the second line lamp body. In this way, the splicing mode of the diffuse reflection LED line lamp is convenient to implement; the length requirement for the diffuse reflection LED line lamp can be met; meanwhile, mirror surface reflection, onto a metal outer shell, of light rays can be avoided; and the lighting effect of the diffuse reflection LED line lamp is improved.

The present invention discloses an expandable connector, and belongs to the technical field of electronic components of servers. The expandable connector disclosed by the present invention comprises a connector body and a connector mainline. The connector mainline is disposed on the connector body, and an expansion slot is formed on the connector body, and a PIN is disposed in the expansion slot, and the PIN conducts with the connector mainline. The expandable connector disclosed by the present invention is simple in structure, convenient for use and flexible for application, and is capable of realizing a one-to-double or one-to-triple connection of the I2C line, and is capable of providing common usage of line materials and reducing development costs, and the connector has great promotion and application value.

The embodiment of the invention provides a shore power cable drum control method, a shore power cable drum control system and electronic equipment, which can realize timely and accurate take-up and pay-off control. The method comprises the steps that the water level of a wharf boat connected with a cable drum is monitored in real time through a water level monitor, and real-time water level information is obtained; a tension sensor is used for monitoring the tension borne by the cable paid off by the cable drum in real time, and real-time stress information is obtained; and according to the real-time water level information and the real-time stress information, carrying out take-up and pay-off control on the cable drum. The system comprises a water level information acquisition module, a stress information acquisition module and a take-up and pay-off control module. The electronic equipment comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, and the shore power cable drum control method is realized when the processor executes the program.

The invention discloses a multi-purpose handrail, which comprises a handrail rod and a support rod. The seat is hingedly connected, and the gear adjustment device is used to adjust the relative rotational position of the pole and the mounting seat. A stroller, including a frame body, wheels, and a seat cushion, is characterized in that it also includes the above-mentioned multi-purpose handrail.

The invention discloses a bathtub drainer. The bathtub drainer comprises an overflow device and a drainage device, wherein the overflow device and the drainage device communicate with each other and are installed at an overflow opening and a drainage opening of a bathtub respectively, the overflow device is provided with a switch piece and a key assembly, one side of the switch piece is rotatablymounted at the overflow opening, and the key assembly is mounted on the switch piece or the overflow opening to lock or unlock the switch piece; and the bathtub drainer is further comprises a transmission assembly, wherein one end of the transmission assembly is in transmission connection with the drainage device, and the other end of the transmission assembly is rotationally connected with the switch piece, so that when the drainage device closes the drainage opening and the switch piece is unlocked, the switch piece is driven to act to open the overflow opening, or when the switch piece is locked, the drainage device is driven to act to open the drainage opening. According to the bathtub drainer, large-flow overflow can be realized, occupied volume is small, the space between a cylinderbody and a skirt part is reduced, and disassembling and assembling are convenient.

The invention provides a cable reel, and belongs to the field of transformer substation auxiliary tools. The cable reel comprises a supporting shaft and further comprises a first rotary disc and a second rotary disc which are arranged at the two ends of the supporting shaft correspondingly. A cable for testing is wound around the supporting shaft and is located between the first rotary disc and the second rotary disc. The first rotary disc is at least provided with four testing inserting holes used for being connected with a testing instrument. One ends of core wires of the cable are connectedwith the testing inserting holes in a one-to-one correspondence manner, and the other end of the cable is used for being connected with to-be-tested power utilization equipment. According to the provided cable reel, one end of the cable is electrically connected with the corresponding testing inserting holes, the cable is wound around the supporting shaft, and therefore the requirement for different cable lengths in the differential protection test can be met; and the core wires of the cable are electrically connected with the one-to-one correspondence testing inserting holes, the wiring error rate is reduced, the circuit connecting stability is improved, and smooth proceeding of the differential protection test is guaranteed.

The invention discloses a grass trimmer and a grass trimming head thereof. The grass trimmer comprises the grass trimming head and a motor; the grass trimming head comprises a spool, a head shell anda transmission piece, wherein the transmission piece has a first position and a second position relative to the spool; when the transmission piece is located at the first position, the grass trimminghead is in a working state; when the transmission piece is located at the second position, the grass trimming head is in an automatic paying-off state; and the barycenter of the transmission piece isdeviated from a rotating axis, when the grass trimming head is driven by the motor to rotate, the transmission piece is subjected to centrifugal force enabling the transmission piece to have the movement trend from the first position to the second position, and when the head shell rotates around the rotating axis, the head shell also applies resistance to the transmission piece against centrifugalforce to prevent movement of the transmission piece from the first position toward the second position. According to the grass trimmer, automatic paying off can be achieved when the length of the grass trimming rope is shortened to a certain length, paying off conditions do not need to be judged manually, and paying off reliability and use convenience are greatly improved.

The invention relates to a communication signal processing method, device, equipment and system and a storage medium. The method comprises the following steps: carrying out forward error correction code processing on sent information by adopting a preset forward error correction code to obtain at least one code word corresponding to the sent information and a code word index corresponding to eachcode word, wherein the forward error correction code is a multi-system low-density parity check code; according to the code word index corresponding to each code word, performing multi-system cyclic shift spread spectrum modulation on each code word, and determining a multi-system cyclic shift spread spectrum code corresponding to each code word, wherein the multi-system cyclic shift spreading code is a spreading code with any length; and performing radio frequency processing on the multi-system cyclic shift spreading code corresponding to each code word, and sending an obtained radio frequency signal to a receiving end. By adopting the method, the length of the spreading code obtained when the information is modulated and sent is not limited, i.e., the spreading gain of the system is notlimited.