50results about How to "Synchronous regulation" patented technology

A transmitting apparatus includes a polar signal producing circuit which produces signals corresponding to the amplitude and the phase of a transmitting modulated wave from an input signal and multiplies the amplitude signal by the phase signal by a multiplying circuit to amplitude modulate a phase-modulated wave to produce a transmitting modulated wave and radiates this transmitting modulated wave as radio wave from an antenna. An amplitude / phase detecting circuit detects an amplitude signal and a phase signal from the input of the multiplying circuit and the input of a phase-modulated signal producing circuit. A delay difference computing circuit computes a correlation function between the amplitude signal produced by the polar signal producing circuit and the amplitude signal detected by the amplitude / phase detecting circuit and a correlation function between the phase signal produced by the polar signal producing means and the phase signal detected by the amplitude / phase detecting means, and computes a delay difference between the amplitude signal and the phase signal from maximum values of the respective correlation functions. Then, a timing adjusting circuit adjusts the delay time between the amplitude signal and the phase signal on the base of the computed delay difference.

The object of the present invention is to automatically adjust the synchronization of an amplitude signal and a phase signal in a transmitting apparatus such as polar modulation transmitting apparatus. A polar signal producing circuit (101) produces signals corresponding to the amplitude and the phase of a transmitting modulated wave from an input signal and multiplies the amplitude signal by the phase signal by a multiplying circuit (107) to amplitude modulate a phase-modulated wave to produce a transmitting modulated wave and radiates this transmitting modulated wave as radio wave from an antenna (108). An amplitude / phase detecting circuit (109) detects an amplitude signal and a phase signal from the input of the multiplying circuit (107) and the input of a phase-modulated signal producing circuit (106). A delay difference computing circuit (110) computes a correlation function between the amplitude signal produced by the polar signal producing circuit and the amplitude signal detected by the amplitude / phase detecting circuit and a correlation function between the phase signal produced by the polar signal producing means and the phase signal detected by the amplitude / phase detecting means, and computes a delay difference between the amplitude signal and the phase signal from maximum values of the respective correlation functions. Then, a timing adjusting circuit (102) adjusts the delay time between the amplitude signal and the phase signal on the base of the computed delay difference.

A system for synchronizing video data and audio data for an optical disc is disclosed. The system includes a demultiplexer, for splitting a data stream into audio data and video data, the audio data having an embedded / associated audio playback time information and the video data having an embedded / associated video playback time information; an audio decoding block, having at least fast forward or slow forward functionality, for decoding the audio data to output decoded audio data; a video decoding block, having at least fast forward or slow forward functionality, for decoding the video data to output decoded video data; and a decision block, for sending at least an adjustment signal, wherein the adjustment signal is for instructing either the video decoding block or the audio decoding block to perform fast forward or slow forward operations.

The invention discloses a method and a system for realizing a Bluetooth subwoofer for televisions. The method comprises the following steps: when a Bluetooth subwoofer is connected with a television, original sound output of the television is retained, and the current volume value is sent to the Bluetooth subwoofer in real time; the Bluetooth subwoofer sends the crossover point frequency of the Bluetooth subwoofer and a television speaker to the television, and the frequency response curve characteristic of the television is adjusted after the television receives the crossover point frequency; and the rated output power of the Bluetooth subwoofer is determined according to the frequency response curve characteristic of the Bluetooth subwoofer and the rated output power of the television, and the current output power of the Bluetooth subwoofer is adjusted according to the current volume value of the television. According to the invention, through improvement on the process of connection between the Bluetooth subwoofer and the television, volume adjustment of the Bluetooth subwoofer and volume adjustment of the television are synchronized, and power and frequency response matching is realized automatically according to different television sizes. In addition, the problem that Bluetooth sound and picture are not synchronized is solved through the adoption of a low-latency Bluetooth data packet format.

The invention discloses a double-line palm closing type reinforcement bar straightening mechanism which comprises a fixed bracket consisting of four palm block sliding seats. Palm pressing blocks are arranged among the palm block sliding seats; each palm pressing block comprises a double-line connected fixed palm block, a double-line connected movable palm block and single-line movable palm blocks; separation check blocks are arranged on the upper surfaces of the double-line connected fixed palm blocks; two parallel reinforcement bars respectively pass through both sides of the separation check blocks of the double-line connected fixed palm block; each double-line connected movable palm block and the corresponding single-line movable palm block respectively encircle the reinforcement bars from the upper part and both left and right sides; palm pressing block driving devices for driving the double-line connected movable palm blocks and the single-line movable palm blocks to encircle and be separated are respectively arranged on the double-line connected movable palm blocks and the single-line movable palm blocks. The double-line palm closing type reinforcement bar straightening mechanism disclosed by the invention can extrude and strengthen two reinforcement bars in a time and the efficiency is doubled; meanwhile, due to adoption of an intermittent extruding mode for strengthening the reinforcement bars, the strengthening process is rapid and effective and no frictional loss exists. The invention also provides a novel double-line palm closing type reinforcement bar straightening machine adopting the double-line palm closing type reinforcement bar straightening mechanism.

The invention relates to the field of livestock and poultry breeding equipment, in particular to a broiler chicken rearing device. The broiler chicken rearing device comprises a hencoop body, a hencoop door opening is reserved in the front face of the hencoop body, the other three faces of the hencoop body are closed with grids, a hencoop door is arranged on the body, can be opened toward the inner side of the body and composed of multiple vertical strips, and gaps allowing chicken heads to stretch out are formed between the vertical strips; troughs capable of being adjusted one by one in the vertical direction are formed outside the hencoop body of the body, a water line capable of being matched with the troughs to be adjusted is arranged in the body, and the troughs and the water line are connected with an adjusting mechanism and driven by the adjusting mechanism to move in the vertical direction. The broiler chicken rearing device has the advantages of being reasonable in design and easy and convenient to use, the requirement for the troughs of different heights in the chicken rearing process can be met by adjusting the height of the troughs, synchronous adjustment of the water line height is considered, and an operator just needs to stand at the fixed position and conduct operation to wholly and synchronously adjust multiple hencoop rearing systems.

The invention discloses a clamp for machining a rear cover of an automobile air conditioning compressor. The clamp comprises a connecting seat fixedly arranged on a connecting flange, a positioning disc is arranged in the middle of the top end of the connecting seat, and the positioning disc is correspondingly and fixedly provided with a limiting pin and a supporting column, wherein the limiting pin and the supporting column are used for positioning a rear cover workpiece; and pressing devices for pressing the rear cover workpiece are arranged in the positions, located on the outer side of thepositioning disc, of the connecting seat. According to the clamp for machining the rear cover of the automobile air conditioning compressor, the pressing devices on the left side and the right side clamp the rear cover workpiece at the same time, stress is uniform, and the pressing point positions can be freely adjusted; the clamp is adaptive to the rear cover workpieces of different sizes, so that universality is high; and furthermore, the functions of further improving repeated positioning precision, improving production efficiency, reducing clamping time and the number of times, reducing labor intensity of workers and reducing machining procedures and personnel are achieved.

Systems and methods of adjusting synchronization of audio media streams and video media streams in 3G mobile communications systems that can mitigate the effects of temporal skew due to intervening processing elements associated with media channels carrying the respective media streams. The systems and methods are operative to adjust the synchronization of audio media streams and video media streams by receiving control messages that report delays due to such intervening processing elements, calculating a relative amount of delay using the reported delays for each media channel, and applying a delay factor based on the relative amount of delay to the faster media channel to place the audio media streams and the video media streams in proper temporal alignment. The delay factor is applied to the faster media channel at those locations within the mobile communications systems where the audio and video media streams are combined and / or separated for subsequent transmission.

The invention provides a multi-surface structural aluminum plate mounting structure, comprising: at least one aluminum plate, the top of a side of the at least one aluminum plate being connected with at least one first connecting portion, and the bottom of the side being connected with at least one second connecting portion; at least one first roller, the aluminum plates being connected with the first rollers through the first connecting portions, the first rollers being also connected with a wall through the third connecting portions, and the first rollers driving the aluminum plates to axially rotate around the first rollers through the first connecting portions; at least one second roller, the aluminum plates being connected with the second rollers through the second connecting portions, the second rollers being also connected with the wall through fourth connecting portions, and the second rollers driving the aluminum plates to axially rotate around the second rollers through the second connecting portions; at least one driving rollers in transmission connection with the first rollers and the second rollers and driving them to rotate in sync. Compared with the prior art, the multi-surface structural aluminum plate mounting structure enables efficiency and precision for adjusting multi-surface structural aluminum plates.

The invention relates to the technical field of wind power generating equipment, in particular to a sliding rod type wind turbine blade adjusting mechanism. An existing mechanism in the prior gear art has the problems that the torque is large, the reliability is poor, and the blade angle is difficult to control. The sliding rod type wind turbine blade adjusting mechanism comprises a driving motor fixing disk, an adjusting disk, a blade shaft, adjusting disk connecting joints, an adjusting disk connecting shaft, connectors, connector connecting pins, blade shaft connecting pins and a sliding rod mechanism. The adjusting disk connecting joints are evenly arranged on the outer lateral side of the adjusting disk, the connectors are connected with the adjusting disk connecting joints through the connector connecting pins, and connecting rods are in threaded connection to the connectors; sliding blocks are inserted into the connecting rods and connected with the ends of the blade shaft through the blade shaft connecting pins; and the adjusting disk is connected with a power outputting shaft of a driving motor. By means of changing the structure of the blade adjusting mechanism, a transmitting mode is changed, and the transmitting stability and accuracy are improved.

The invention discloses a horizontal pushing device for a wall tilt laser test. The horizontal pushing device comprises a first screw structure on a platform, the first screw structure comprises a base on the platform, a screw passing through the base and rotatingly fitting to the base, a guide rod arranged parallel to the screw and slidably fitting to the base and a guide block connected to the screw through threads and slidably fitting to the guide rod. The guide rod is linked to a connection rod. The connection rod is located below the platform. Laser emitted by a laser marking instrument is irradiated on the bottom surface of the connection rod. The horizontal pushing device has a reasonable structure and can accurately measure the tilt of the wall of the platform.

The invention discloses a live video stream transcoding system comprising a pickup and an image acquisition device which are positioned in a video recording room, wherein a first decoder is connected with the output ends of the pickup and the image acquisition device, a sound signal is divided into a plurality of sub-sound signals via the first decoder that is connected with a sub-sound unit used for storing the sub-sound signals; an image signal is divided into a plurality of sub-image signals via the first decoder that is connected with a sub-image unit used for storing the sub-image signals; the first decoder is connected with a catalog unit used for storing catalogs; a storage module is connected with the output end of the first decoder; the output end of the storage module is connected with the input end of the control module; and the output end of the control module is connected with an input end of a retrieval module. According to the system provided by the invention, work difficulty is reduced, and unsynchronized pictures and characters can be adjusted to be synchronous.

The invention provides a feeding device for livestock breeding and belongs to the technical field of livestock breeding equipment. The technical scheme includes that the feeding device comprises a cage, a dropping board arranged under the cage, a feed chute structure located at the front end of the cage, a power mechanism arranged at the top of the front side face of the cage and a waterline system penetrating the cage, and a cleaning mechanism used for cleaning droppings of the top surface of the dropping board is arranged on one side of the cage. The feeding device has the advantages that the cleaning structure arranged at the front end of the cage can have the droppings of the top surface of the dropping board cleaned, elevating parts are abutted against linkage gears to drive a cleaning roller stably and slowly to move to clean along the top surface of the dropping board, droppings of large cage equipment are cleaned conveniently and continuously in a concentrated manner, an operator cleans the droppings from one end of the cage timely, and ammonia concentration of a shed is reduced; nipple type drinkers are adopted, cross infection of meat ducks is reduced, and multiple feed chutes of a meat duck cage can be adjusted entirely and synchronously by operation of the operator standing in a fixed position as required.

The invention provides a multifunctional multi-station clamping jaw structure for automobile overhauls, and relates to the technical field of overhaul clamps. The problems that when multiple groups ofclamps are switched, usually, the clamps are adjusted by hand one by one, on one hand, the time is wasted by one-by-one adjusting, on the other hand, when the clamps are adjusted by hand, burrs and oil dirt on the clamps easily make contact with hands, thus, the hands are damaged and contaminated, when the clamps are adjusted to be clamped, usually, the movable clamps move, the fixed clamps do not move, and the adjusting time is prolonged are solved. The multifunctional multi-station clamping jaw structure for automobile overhauls comprises a fixed seat. A sliding seat A is fixedly connectedto the fixed seat through bolts. As gears are welded to rotary shafts, clamp blocks are further welded to the rotary shafts, and the gears are engaged with tooth rows, when main blocks slide in sliding grooves B, the clamp blocks are in a rotating state; and as check blocks are welded to clamp seats, when the gears make contact with the check blocks, the clamp blocks are in a 90-degree rotating state, and therefore the clamp blocks are switched.

A tensioning device with tension and gravity capable of being adjusted synchronously and on the lower portion of an elevator comprises a counter weight mechanism (device) and a lever. A lever adjusting mechanism (device) is installed on an enclosure on the lower portion of the elevator and connected with one end of the lever, the other end of the lever is connected with the counter weight mechanism, the middle of the lever is connected with a lever rotation shaft mechanism (device) through a sliding supporting plate, and the lever rotation shaft mechanism is connected with a steering chain wheel assembly or a belt pulley assembly on the lower portion of the elevator. The lever adjusting mechanism is a nut lead screw mechanism. A left tensioning device with tension and gravity capable of being adjusted synchronously and on the lower portion of the elevator and a right tensioning device with tension and gravity capable of being adjusted synchronously and on the lower portion of the elevator are arranged on the lower portion of the elevator. The tensioning device is balanced in tension, effectively prevents the steering chain wheel assembly or the belt pulley assembly on the lower portion of the elevator from deviating from a chain or a belt, and is reliable in running.

The invention relates to a wheelchair structure capable of changing the revolution radius of travelling wheels. The wheelchair structure comprises a bottom plate, wherein a plurality of travelling wheel groups are mounted below the bottom plate; each travelling wheel group comprises a driving disk which is rotatably connected with the bottom plate; a plurality of parallelogram mechanisms are sequentially mounted on the outer end surface of each driving disk in the circumferential direction; each parallelogram mechanism comprises a locating rod which is fixedly connected with the correspondingdriving disk; the extending direction of each locating rod is parallel to the outer end surface of the corresponding driving disk; in each parallelogram mechanism, a connecting rod parallel to the corresponding locating rod is a translation rod; and each travelling wheel is rotatably mounted at one end away from the rotating axis of the corresponding driving disk, of the corresponding translationrod. According to the wheelchair structure disclosed by the invention, according to the height of an obstacle which needs to be cut across, the revolution radius of the travelling wheels in the travelling wheel groups along the driving axis can be adjusted, and the angle of a seat plate can be adjusted according to the climbing angle.

The invention provides a double-module synchronous horizontal adjustment system for a vehicle lamp. The system comprises a low beam support, a high beam support, an adjusting unit and a linkage rod mounting area, the adjusting unit comprises an adjusting gear, an adjusting screw, a limiting support, an adjusting sliding block and a clamping spring, and the adjusting unit is assembled and connectedwith at least one of the low beam support and the high beam support, wherein the linkage rod mounting area comprises a linkage rod, a first metal sheet and a second metal sheet; a high beam module and a low beam module are respectively installed or integrated on the low beam support and the high beam support; and the low beam support and the high beam support which are installed on the two sidesof the linkage rod are assembled on the shell in a limited mode through the first metal sheet and the second metal sheet. The adjusting gear is rotated to push the adjusting screw to move front and back in the vehicle body direction, the lever effect of the linkage rod is used for driving the low beam support and the high beam support to rotate relative to respective fixing shafts, and the low beam module and the high beam module integrally and synchronously move front and back in the vehicle body direction, namely horizontal adjustment in the same direction is achieved.

The invention discloses equipment for co-extruding three layers of cables and automatically adjusting the concentricity. The equipment comprises a first co-extruding machine, a second co-extruding machine, a third co-extruding machine and a machine barrel; a cable to be machined penetrates through the machine barrel; certain angles are formed among the first co-extruding machine, the second co-extruding machine and the third co-extruding machine, and the first co-extruding machine, the second co-extruding machine and the third co-extruding machine are mounted on the right side of the machine barrel; the first co-extruding machine, the second co-extruding machine and the third co-extruding machine are provided with a first adjusting bolt, a second adjusting bolt and a third adjusting bolt which are vertical to the axes of the first co-extruding machine, the second co-extruding machine and the third co-extruding machine respectively; a first gear, a second gear and a third gear are fixed at screwing ends of the first adjusting bolt, the second adjusting bolt and the third adjusting bolt respectively; and the first gear, the second gear and the third gear are connected with a motor through a transmission device, so that the adjusting bolts are controlled through controlling the rotation of the motor, and the concentricity of a plastic extruding machine is automatically adjusted, and furthermore, manpower is saved and the adjustment precision is improved.

A sliding headliner for a motor vehicle that is movably guided on guides on both sides and that comprises a flexible shading element, whereby the invention provides that the shading element is tightened by two side profile strips of the sliding headliner, which strips are movably guided on the two guides, that each guide has a front guide section and a rear guide section, that the two side profile strips are held at a distance from one another by the rear guide sections under tightening of the shading element in the transverse direction and are guided in a non-tightened manner in the transverse direction by the front guide sections, and that the side profile strips are held at a distance from one another in the transverse direction on the front guide sections by their own bending stiffness and / or by a cross bow.

The embodiment of the invention provides an accumulator car steering device. The accumulator car steering device comprises steering supports, a steering connecting plate, a fixed plate, a car frame locating shaft and a pair of damping connecting assemblies. The two ends of the steering connecting plate are provided with mounting positions. Each damping connecting assembly comprises a fixed part and an adjusting part, the fixing part is movably mounted in the corresponding mounting position, and the adjusting part is in a strip shape. The two adjusting parts extend to the middle position of thesteering connecting plate to intersect in the horizontal direction. An adjusting rotor is arranged at the intersection of the two adjusting parts. The adjusting rotor is engaged between the two adjusting parts. Through the accumulator car steering device, the mounting position of a front shock absorber can be flexibly adjusted according to the width of a tire to adapt to tires with different tiretreads.

The invention relates to a wheelchair structure capable of changing the revolution radius of travelling wheels. The wheelchair structure comprises a bottom plate, wherein a plurality of travelling wheel groups are mounted below the bottom plate; each travelling wheel group comprises a driving disk which is rotatably connected with the bottom plate; a plurality of parallelogram mechanisms are sequentially mounted on the outer end surface of each driving disk in the circumferential direction; each parallelogram mechanism comprises a locating rod which is fixedly connected with the correspondingdriving disk; the extending direction of each locating rod is parallel to the outer end surface of the corresponding driving disk; in each parallelogram mechanism, a connecting rod parallel to the corresponding locating rod is a translation rod; and each travelling wheel is rotatably mounted at one end away from the rotating axis of the corresponding driving disk, of the corresponding translationrod. According to the wheelchair structure disclosed by the invention, according to the height of an obstacle which needs to be cut across, the revolution radius of the travelling wheels in the travelling wheel groups along the driving axis can be adjusted, and the angle of a seat plate can be adjusted according to the climbing angle.

The invention discloses a size adjustable power substation electromechanical equipment installing mechanism. The size adjustable power substation electromechanical equipment installing mechanism comprises a spliced base, a movable mechanism and a supporting frame. The spliced base comprises a first strip-shaped plate and a second strip-shaped plate which can be fixedly arranged in a contraction manner. The movable mechanism comprises a walking assembly and a regular quadrangular frustum pyramid frame. The walking assembly comprises adjustable included angle X-shaped landing legs, supporting plates and walking wheels. The regular quadrangular frustum pyramid frame is arranged in the manner that a bottom panel, four support columns and a top panel are integrally formed from bottom to top. Protruding columns are arranged on the top faces of the supporting plates. The bottom face of the bottom panel is concaved upwards to form an annular sliding way containing the protruding columns, and the protruding columns can slide through the annular sliding way. The supporting frame comprises a vertical rod and a horizontal rod, wherein the end portion of the vertical rod is hinged to the end portion of the horizontal rod. The spliced base of the size adjustable power substation electromechanical equipment installing mechanism is arranged in a contraction manner, the width of the spliced base can be adjusted, and accordingly the sliding way interval is adjusted; and each of the first strip-shaped plate and the second strip-shaped plate is formed by splicing multiple plate bodies, the length of the spliced base can be adjusted so that the spliced base can be applicable to different power substation narrow spaces, the stable base is provided, and an operation platform for workers to repair electromechanical equipment is enlarged.

A belt online adjusting device capable of preventing belt deviation comprises pinch rollers, pinch roller support components and pinch roller angle adjusting components, wherein the pinch roller support components allow the pinch rollers to be arranged above and below a belt in a symmetrical V-type manner and simultaneously execute the belt positioning from above, below, left and right. The device in the invention avoids the problems of band steel deviation, folding of band threading and piling-up of steels, which are caused by the floating movement and deviation of the belt; wedge-shaped shafts enable the pinch rollers to execute three-dimensional 360-degree adjustment and are connected with the pressboards through key slots, thereby guaranteeing the synchronized adjustments of the pinchrollers and the pressboards and accordingly improving the adjustment speed; and the pinch rollers can prevent the edge damage after the belt deviates. The device in the invention has a small request for installation positions, is capable of online change and adjustment and can be widely applied to belt conveying equipment of galvanizing machine sets or other machine sets in the industry of cold rolling.

The invention provides a multi-surface structural aluminum plate mounting structure, comprising: at least one aluminum plate, the top of a side of the at least one aluminum plate being connected with at least one first connecting portion, and the bottom of the side being connected with at least one second connecting portion; at least one first roller, the aluminum plates being connected with the first rollers through the first connecting portions, the first rollers being also connected with a wall through the third connecting portions, and the first rollers driving the aluminum plates to axially rotate around the first rollers through the first connecting portions; at least one second roller, the aluminum plates being connected with the second rollers through the second connecting portions, the second rollers being also connected with the wall through fourth connecting portions, and the second rollers driving the aluminum plates to axially rotate around the second rollers through the second connecting portions; at least one driving rollers in transmission connection with the first rollers and the second rollers and driving them to rotate in sync. Compared with the prior art, the multi-surface structural aluminum plate mounting structure enables efficiency and precision for adjusting multi-surface structural aluminum plates.

The invention discloses equipment for co-extruding three layers of cables and automatically adjusting the concentricity. The equipment comprises a first co-extruding machine, a second co-extruding machine, a third co-extruding machine and a machine barrel; a cable to be machined penetrates through the machine barrel; certain angles are formed among the first co-extruding machine, the second co-extruding machine and the third co-extruding machine, and the first co-extruding machine, the second co-extruding machine and the third co-extruding machine are mounted on the right side of the machine barrel; the first co-extruding machine, the second co-extruding machine and the third co-extruding machine are provided with a first adjusting bolt, a second adjusting bolt and a third adjusting bolt which are vertical to the axes of the first co-extruding machine, the second co-extruding machine and the third co-extruding machine respectively; a first gear, a second gear and a third gear are fixed at screwing ends of the first adjusting bolt, the second adjusting bolt and the third adjusting bolt respectively; and the first gear, the second gear and the third gear are connected with a motor through a transmission device, so that the adjusting bolts are controlled through controlling the rotation of the motor, and the concentricity of a plastic extruding machine is automatically adjusted, and furthermore, manpower is saved and the adjustment precision is improved.

The invention provides an abrasive belt grinder and belongs to the technical field of machinery. The abrasive belt grinder can be used for solving the problem that an existing abrasive belt grinder is uneven in grinding due to a fixed rack. The abrasive belt grinder comprises a rack arranged on a base, wherein the rack is provided with a driving wheel, a driven wheel and an abrasive belt, wherein the abrasive belt is sleeved on the driving wheel and the driven wheel; the driving wheel is connected with a grinding motor; the rack can rotate relative to the base along the horizontal direction; the base is provided with a driving piece capable of pushing the rack to rotate; a locating structure capable of enabling the rack not to rotate is arranged between the rack and the base. The abrasive belt grinder has the advantage of capability of adjusting abrasive belt position and grinding precision.

The invention discloses a plastic uptake mold flow speed adjusting device, which comprises a pipe blank plastic uptake mold body (1), a plurality of hollow tubular main mandrels (2) are arranged in the pipe blank plastic uptake mold body (1), the main mandrels (2) are arranged in parallel, the main mandrels (2) are connected with the pipe blank plastic uptake mold body (1) in a sliding mode, plastic uptake pipes (3) are arranged in the main mandrels (2), and the plastic uptake pipes (3) are sleeved in the main mandrels (2) and are coaxial with the main mandrels (2); and the lower ends of the main mandrels (2) protrude out of the lower end face of the pipe blank plastic uptake mold main body (1), the lower end of the pipe blank plastic uptake mold main body (1) is fixedly connected with a hollow forming mouth mold (4), the lower ends of the main mandrels (2) are sleeved in the forming mouth mold (4), and lower runners are formed between the outer surfaces of the lower sections of the main mandrels (2) and the inner surface of the forming mouth mold (4) at an interval. The plastic uptake mold flow rate adjusting device provided by the invention has the advantages that the defects in the prior art can be overcome, and the structural design is reasonable and novel.

The auxiliary device comprises a base, a binding belt and a lifting mechanism, supporting legs are arranged at the lower end of the base, a machine room is arranged at the upper end of the base, a hydraulic cylinder is arranged in the machine room, and the lifting mechanism in sliding fit with the inner wall of the machine room is arranged at the upper end of the hydraulic cylinder; the upper end of the lifting mechanism is matched with a lifting mechanism sliding horizontally, the binding belt is connected with the lifting mechanism and used for fixing the heat distribution pipeline, the two sides of the lifting mechanism are connected with conveying mechanisms sliding synchronously, and the conveying mechanisms are connected with the base. The pipeline butt joint device can replace hoisting of large-scale equipment, support, height and position adjustment and translation in the axis direction are conducted on the two ends of a heat distribution pipeline to achieve butt joint between pipelines, long-time occupation of the hoisting equipment is avoided, cost is saved, operation is easy and convenient, and the pipeline butt joint efficiency is improved; the device can adapt to different installation heights of pipelines, and is high in universality and wide in application range.

The invention provides an audio synchronization adjustment method and audio equipment.The audio synchronization adjustment method is applied to first audio equipment, the first audio equipment is in communication connection with second audio equipment, and the audio synchronization adjustment method comprises the steps that when an audio operation instruction is detected, the audio operation instruction is forwarded to the second audio equipment, the second audio equipment carries out audio adjustment according to the audio adjustment instruction at the audio operation time and the audio operation moment; wherein the audio operation instruction comprises audio operation time, audio operation moment and an audio adjustment instruction; extracting an audio operation time, an audio operation moment and an audio adjustment instruction included in the audio operation instruction; and performing audio adjustment according to the audio adjustment instruction at the audio operation time and the audio operation moment. Therefore, by implementing the implementation mode, when a user uses a single audio device to carry out audio adjustment, the synchronization precision of the multiple audio devices can be improved to a microsecond level, so that the synchronization effect of the multiple audio devices is improved.