133 results about "Mechanical transmission" patented technology

The utility model belongs to the technical field of shock absorbers, and particularly relates to a hydraulic damping adjusting device of a shock absorber, the shock absorber comprises a hydraulic cylinder and a piston rod sleeved with a piston valve body, the piston valve body divides an inner cavity of the hydraulic cylinder into an upper oil cavity and a lower oil cavity, the piston rod is provided with a throttling channel, and a throttling rod axially slides on the piston rod. A pre-tightening spring is arranged between the throttling rod and the throttling channel, the hydraulic damping adjusting device comprises a hydraulic adjusting end cover, an adjusting cavity is formed in the hydraulic adjusting end cover, and the adjusting cavity and the throttling rod are matched with a hydraulic push rod on the hydraulic adjusting end cover through a plunger to be in transmission connection. According to the utility model, the throttle lever is driven to axially move in a hydraulic mode so as to adjust the flow area of the throttle channel and realize the damping force adjustment of oil flowing, so that the problems of time and labor waste and low adjustment efficiency caused by mechanical transmission matched adjustment are avoided, and meanwhile, the problem of leakage of damping oil in the prior art is effectively solved.

The application discloses a rice transplanter and a profiling feedback device and a profiling method thereof, and belongs to the field of rice transplanters. The profiling feedback device of the rice transplanter comprises a guide piece, a pull wire, a pull sleeve and a limiting piece. The guide piece is rotationally connected to a floating boat and can move along with the floating boat. One end of the pull wire is connected to a rack of the rice transplanter, and the other end is fixedly connected to a tension sensor. The limiting piece is fixed to the rack, and the pull sleeve is located between the limiting piece and the guide piece. The pull wire is arranged in the pull sleeve and can move relative to the pull sleeve. When the guide piece moves, the guide piece can be pressed against the limiting piece to extrude the pull sleeve, cause the pull sleeve to deform, and then pull the pull wire, so that the pull wire transmits force to the tension sensor, and the planting part is controlled to move up and down. Compared with mechanical transmission in the related art, the structure is simplified, the volume is small, and maintenance is simple.

The invention discloses a riverway ecological protection slope, and relates to the technical field of riverway nursing, the riverway ecological protection slope comprises a protection slope body which is sequentially arranged from the slope top to the slope toe, the protection slope body comprises a foundation supporting layer, an ecological structure layer and a vegetation community layer from inside to outside, and the ecological structure layer comprises a geotechnical composite material layer laid on the foundation supporting layer; the geotechnical composite material layer is of a three-dimensional net-shaped structure or a bag-type structure. Complex mechanical transmission, movable parts and sealing structures are completely omitted. The ecological niche complementary mixed planting mode of deep-rooted shrubs, shallow-rooted herbaceous plants and slope toe aquatic plants is adopted, the deep-rooted shrubs can enhance the deep stability of a slope body, the shallow-rooted herbaceous plants quickly cover a slope surface to reduce surface erosion, the aquatic plants are connected with a water and land ecological interface, and the deep-rooted shrubs, the shallow-rooted herbaceous plants and the water and land ecological interface cooperate to form a multi-layer and high-stability vegetation community; the water and soil conservation capacity of the bank slope is improved, diversified habitats are provided for animals and plants, and the natural ecological function of the river bank slope is restored.

The invention discloses a livestock mechanical fault monitoring system based on edge calculation, and relates to the related technical field of mechanical fault monitoring, and the system comprises a mechanical transmission network building module which is used for building a multi-layer mechanical transmission network; the computing power configuration module is used for carrying out computing power configuration according to the criticality, the transmission dependency degree and the fault propagation influence of the node equipment and building a cloud-side platform structure; the monitoring execution link obtaining module is used for connecting a mechanical equipment sensing network to obtain a monitoring execution link; and the fault abnormal information identification module is used for dynamically distributing edge tasks and identifying fault abnormal information according to the change characteristics of the acquired data. The technical problem of poor mechanical fault monitoring and identification precision caused by insufficient real-time performance, weak fault propagation analysis capability and unreasonable computing power resource allocation of animal husbandry mechanical fault monitoring in the prior art is solved, and the technical effects of efficiently and accurately identifying faults, dynamically optimizing edge computing power and reducing the load of a cloud platform are achieved.

The utility model discloses a vacuum buffer tank feeding device which comprises a base, the top of the base is provided with a fixing frame through a pushing component, the top of the fixing frame is fixedly connected with two connecting rods, a material storage box is fixedly connected between the top ends of the two connecting rods, a baffle is fixedly connected in the material storage box, the material storage box is divided into two cavities, and the two cavities are communicated with the baffle. A vacuum pump is fixedly connected to the outer wall of one side of the material storage box, a discharging opening is formed in the bottom of the material storage box, a material guide plate is arranged on the inner wall of the bottom of the material storage box, and a material guide pipe is fixedly communicated with the interior of the discharging opening. Through the use of the vacuum pump and the spiral sheet, the device can uniformly feed materials in a mechanical transmission mode after baiting through air pressure, so that the feeding speed is controllable.

The invention discloses a five-prevention program mechanical locking device of an electric appliance cabinet and a gas insulated switchgear thereof. The device comprises an interlocking support; the switching-on locking plate is movably arranged on the interlocking support, and the switching-on locking plate locks a switching-on switch of the circuit breaker at the first position; the closing locking plate unlocks the closing switch at the second position; a closing switch of the circuit breaker in the opening state is located on a path of the closing locking plate moving from the second position to the first position; the opening locking plate is linked with the closing locking plate; the switching-on locking plate locks the switching-off electromagnet when the switching-on locking plate is at the first position, and unlocks the switching-off electromagnet when the switching-on locking plate is at the second position; the two-lock one-key program lock comprises a first program lock for locking the rear door and a second program lock for driving the closing locking plate to move; when the second program lock is locked, the closing locking plate is located at a first position; and when the program lock is unlocked, the closing locking plate is located at the second position. The problem that long-distance mechanical transmission accuracy is poor is solved.

The sampling detection device comprises a clamp body, a handle, a movable tool apron, a sample collection container and a cutting tool bit, the cutting tool bit comprises a tool and a butt joint, the butt joint is fixed to the end of the tool, the end of the butt joint is provided with an annular medicine storage bin, and an opening of the annular medicine storage bin faces the tool; a medicine storage and release structure is arranged in the annular medicine storage bin, an extrusion part is further arranged on the butt joint in a sliding mode, and an elastic pre-tightening part is arranged between the extrusion part and the butt joint. According to the sampling detection device, through a single handle driving source and an ingenious mechanical structure design, multiple functional units of cutting, sampling, transferring and dosing are highly integrated, multi-functional synchronous cooperation under coherent mechanical actions is achieved, the livestock ears serve as mechanical transmission media, and a dosing mechanism is automatically triggered in the movement process after sampling. Therefore, the time, the position and the triggering condition of liquid medicine release and the sampling action form internal and inevitable mechanical linkage and closed-loop feedback.

The invention relates to the technical field of biological sample deep hypothermia storage system control and adjustment, in particular to a deep hypothermia gas phase storage system and a control method thereof, and the deep hypothermia gas phase storage system comprises an upper cabin, a liquid nitrogen tank assembly, an aluminum disc assembly, a Stirling loop siphon cold screen and a liquid nitrogen making machine assembly. The control device is composed of a data acquisition module, a motion planning module, a position calibration module and an execution control module, temperature, identification and position data are collected in real time, data fusion and processing are carried out, a control instruction is generated to drive a mechanical transmission mechanism to complete sample access, motion tracks and temperature parameters are dynamically corrected, and closed-loop control flow is formed. The problem of positioning deviation caused by insufficient mechanical transmission precision in the prior art is solved, the risks of sample damage and cross contamination are reduced, and accurate operation of sample access and stable maintenance of a low-temperature environment are realized.

The application discloses a kind of mechanical transmission device of unpowered interrupt gear shifting, including built-in transmission shaft, hollow transmission shaft, gearbox shell, 1-2 gear shifting engagement sleeve, 1 gear double coupling gear, 2 gear double coupling gear, 3-4 gear shifting engagement sleeve, 3 gear double coupling gear, 4 gear double coupling gear, torque transmission adjusting device input shaft, left control oil circuit, torque transmission adjusting device, right control oil circuit, torque adjusting device output shaft, torque transmission driving gear, torque transmission device connecting shaft, gearbox output shaft, torque transmission driven gear, 1 gear driven gear, 2 gear driven gear, 3 gear driven gear, 4 gear driven gear.When gear shifting, the power of hollow transmission shaft is cut off by the main clutch of vehicle, which facilitates to connect gear position, and the built-in transmission shaft and torque adjusting device continuously provide power to gearbox output shaft, so that the power output of gearbox during mechanical gear shifting is maintained, and the mechanical gearbox unpowered interrupt gear shifting is realized.

The application discloses a kind of high temperature high pressure cylinder sample deformation measuring devices and methods in limited space, belong to rock mechanics experimental testing technical field, solve the sensor adaptability of existing HPHT triaxial test equipment, constrain triaxial chamber volume and the problem of high cost.The rigid measuring rod of traditional LVDT is replaced by inelastic flexible wire in the application, the volume is reduced, so that the triaxial chamber can be more miniaturized, and the first displacement sensor and the second displacement sensor are built-in in the triaxial chamber base, not only need to occupy the internal space of triaxial chamber, so that the triaxial chamber can be designed more compact, reduce the amount of confining pressure oil medium, shorten the temperature rising time, and avoid direct exposure to high temperature and high pressure environment, significantly improve its reliability in high temperature and high pressure environment, while using displacement sensor combined with inelastic flexible wire mechanical transmission scheme to replace imported special sensor, and reduce the cost.

The invention belongs to the technical field of intelligent aquaculture, and particularly discloses a tidal power generation and intelligent cultivation system which comprises a power input module, a power transmission module, a power generation module and an intelligent cultivation module which are cascaded, the power input module is used for capturing sea wave impact kinetic energy, and the power transmission module is used for transmitting the sea wave impact kinetic energy to the intelligent cultivation module; the mechanical energy is input into the power transmission module; the power transmission module is used for stably transmitting mechanical energy and converting the mechanical energy into one-way rotating motion so as to drive the power generation module to work. The power generation module is used for converting mechanical energy into electric energy and supplying power to the intelligent breeding module; the intelligent breeding module is used for achieving intelligent breeding control and management based on power supply of the power generation module. By means of mechanical transmission and an intelligent control system, efficient conversion from tidal kinetic energy to electric energy and refined and automatic management of the breeding process can be achieved.

The application relates to a conveying structure, which comprises a supporting part, a telescopic part and a conveying guide wire, the telescopic part is made of a developing material, is fixed on the conveying guide wire near a distal end position, the supporting part is made of a developing material, is fixed on the conveying guide wire, is arranged on at least one side of the telescopic part, and the supporting part is attached to the telescopic part or has a preset gap between the supporting part and the telescopic part. On the premise of ensuring the stability of mechanical transmission, the supporting part further applies an axial force through the telescopic part to control the limiting positioning of the supporting part, so that element failure is avoided in the releasing and recycling process. Meanwhile, the telescopic part has high compliance, so that the flexibility of the whole instrument is improved, the rigidity of the whole instrument is reduced, the passing capacity of the instrument is improved, the resistance in the pushing process is reduced, the operation feeling of a surgeon is improved, and the clinical risk is reduced.

The application provides a garden residual leaf collecting device based on intelligent visual identification, and relates to the technical field of garden greening equipment. The device comprises a base, two installation blocks arranged in the base, two collecting claws arranged at the front of the base, a crushing wheel arranged in the base, and a mounting frame arranged in the base. In the application, the two pressing plates are gathered in the middle by the sliding block, so that the two pressing plates can extrude the crushed dry branches and residual leaves, avoiding the scattering of the residual leaves and reducing the collection space occupied by the residual leaves. The residual leaf grabbing action and the extruding action are combined in sequence by mechanical transmission, so that the step-by-step operation is omitted, the structure of the residual leaf grabbing and collecting is simplified, the assembly and use are convenient, the residual leaves are mixed with more branches, the residual leaf collecting and processing efficiency is improved, the residual leaves occupy a large space after being collected, the device is not heavy and is easy to control.

The invention provides a humanoid robot mechanical eye movement driving mechanism and an expression control method, and belongs to the field of humanoid robotics.The humanoid robot mechanical eye movement driving mechanism is structurally composed of an eyeball assembly, a hollowed-out frame body, a double-shaking driving rod set, a hemispherical cavity middle connecting body, a space movement synchronous child-mother block and a three-dimensional control frame; through cooperative cooperation of the sliding block mechanism, the connecting rod and the spherical pair assembly, horizontal / vertical synchronous rotation of eyeballs and multi-dimensional movement such as eyelid opening and closing can be achieved, and compared with an electric control scheme, the multi-dimensional movement control device has the advantages of being simple, rapid in response, stable in control and the like.

The invention relates to the technical field of aquatic breeding equipment, and discloses a detachable aquatic filter multi-layer filter material module which comprises an outer shell, the inner side wall of the outer shell is fixedly connected with a bearing plate, two sliding rods are installed at the top of the bearing plate, and the outer surfaces of the sliding rods are sleeved with two tension springs; two second sliding blocks are slidably connected to the outer surface of the bearing plate, a first connecting rod is hinged to the top of one second sliding block, a second connecting rod is hinged to the top of the other second sliding block, a mounting seat is slidably mounted on the inner side wall of the outer shell, and three layered filter materials are mounted in the mounting seat. Through cooperation of a traction rope, a second sliding block and other components, the connecting rod is promoted to swing and jack up the mounting base, and the mounting base carries the multiple layers of filter materials to ascend and be exposed on the outer surface of the device. According to the design, the whole device does not need to be disassembled, the filter material can be conveniently exposed only through pure mechanical transmission, the filter material disassembling step is remarkably simplified, and the maintenance time is shortened.

The utility model aims to provide the synchronous opening and closing driving mechanism for the lateral propping type pipe guiding and guarding device, which can effectively control the translational motion of the guiding and guarding propping plates on the two sides, provided with the propping bases, in the guiding and guarding device in the horizontal direction through a simple mechanical transmission structure. It is guaranteed that the guide abutting plates on the two sides are synchronously close to or away from the pipe fitting to be subjected to positioning and guiding treatment, the guide device is prevented from generating horizontal pushing acting force on the pipe fitting in the clamping and fixing process, and therefore the pipe fitting is prevented from being extruded, deformed and damaged. The mechanism comprises a fixed bottom base, guide plates installed on the two sides of the bottom base and a pair of guide and guard supporting and abutting plates which are movably arranged on the guide plates and can do translational motion, and an opening and closing control assembly is further arranged on the bottom base. The assembly can be driven by the driving device to drive the guide and guard supporting and abutting plates on the two sides to synchronously move inwards or outwards, and the guide and guard device is controlled to be switched between the opening state and the closing state.

A 13-gear large-torque mechanical transmission comprises a first shaft and a first shaft gear which are coaxially connected, and further comprises a second shaft coaxial with the first shaft, a plurality of gear position gears are coaxially arranged on the second shaft, and gear position synchronizers corresponding to the gear position gears are further coaxially arranged on the second shaft, and the 13-gear large-torque mechanical transmission is characterized in that second shaft spline pads are coaxially arranged between the gear position gears and the second shaft; a plurality of grooves are evenly distributed in the inner circumference of each two-shaft spline pad, limiting grooves are formed in the peripheries of the two shafts corresponding to the grooves, hexagonal keys parallel to the axes of the two shafts are arranged in the spaces between the grooves and the corresponding limiting grooves, top gaps are reserved between the hexagonal keys and the top faces of the grooves, and side gaps are reserved between the hexagonal keys and the opposite side faces of the grooves. Through reasonable arrangement of component structures, the fatigue life and static torsional strength of the 13-gear transmission are integrally improved, the matching requirement of a large-torque engine is met, and the requirements of vast customers for transportation efficiency and fuel economy are met; meanwhile, the device can be applied to 13-gear same-series products, and the purpose of reducing the market failure rate of the same-series products is achieved.

The utility model relates to the technical field of high slope supporting equipment, in particular to a high slope supporting device which comprises a supporting structure, flexible connecting belts and an anchor rod structure, the flexible connecting belts are installed on the two sides of the supporting structure, and the anchor rod structure is installed in the supporting structure. The supporting structure comprises an arc-shaped pressure-bearing plate, a U-shaped clamping groove, a transverse convex rib, a longitudinal anchor rod, a first anchor hole and an assembling groove, the flexible connecting belt comprises an assembling part, a mounting convex block, a steel rope and an assembling anchor hole, and the U-shaped clamping groove is formed in the arc-shaped pressure-bearing plate. According to the utility model, slope surface load can be effectively converted into axial tension, seepage water pressure can be effectively dispersed in combination with the drainage grooves formed in the surface of the supporting structure, the overall shear resistance of a supporting system is remarkably improved through mechanical transmission among the multiple stages of bearing plates, and high-efficiency protection performance is provided for deep slippage risks of a heterogeneous slope.

To provide a work machine having both mechanical transmission and HST, which can improve a fuel efficiency while suppressing a reduction in durability of a component of the HST.SOLUTION: A work machine includes a drive source, a first drive wheel, a mechanical transmission, a second drive wheel, an HST, and a controller. The mechanical transmission transmits a drive force of the drive source to the first drive wheel. The HST includes a hydraulic pump, a hydraulic motor, and a drive circuit. The hydraulic pump is driven by the drive source. The hydraulic motor is driven by the work fluid discharged from the hydraulic pump. The drive circuit connects the hydraulic pump and the hydraulic motor. The HST transmits the drive force of the drive source to the second drive wheel. The controller acquires the current speed gear of the mechanical transmission. The controller controls the HST such as to restrict the hydraulic pressure of the drive circuit to be equivalent to or less than a cutoff pressure depending on the current speed gear.SELECTED DRAWING: Figure 7

The application discloses a kind of full-automatic sputum dyeing system and method of slice, the system of the present application will three-dimensional mechanical transmission device, sputum homogenization device, consumable storage device, slice mechanical device, glass slide collection device, oil drop device, dyeing reagent input device and controller are integrated in rack, using PLC programmable controller to automatically control the system, automatically complete to sputum homogenization, dyeing and slice, complete the whole process of sputum smear production.The present application has the advantages of high degree of automation, low cost, high sputum smear production efficiency and good sputum smear production quality, meets the needs of medical system for sputum smear production, reduces the probability of infection to medical staff.

The invention relates to the technical field of agricultural machinery, in particular to a hydraulic drive fan for an air-blowing type no-tillage planter capable of accurately adjusting speed, which comprises a fan shell, a hydraulic motor is fixedly mounted on the outer wall of the fan shell, an oil inlet port of the hydraulic motor is fixedly communicated with a plurality of oil inlet pipes, and an exhaust pipe is fixedly communicated with the circumferential side wall of the fan shell. The top end of the exhaust pipe fixedly communicates with a self-adaptive speed adjusting assembly. According to the air-blowing type sowing fan equipment, the mode that the impeller is driven by the hydraulic motor to rotate is adopted to replace traditional mechanical transmission to drive the fan to operate, the safety and reliability of operation of the air-blowing type sowing fan equipment are effectively improved, the particle size of seeds can be accurately detected, and the air-blowing speed of the seeds can be adjusted in a self-adaptive and stepless mode according to the particle size of the seeds; the air-blowing type seeding quality is effectively improved, and meanwhile, the feeding vibration frequency can be adaptively adjusted according to the seeds with different particle sizes, so that the seeding density of the seeds is uniform, and the seeding uniformity and continuity of the seeds are improved.

The application belongs to the technical field of intelligent aquaculture, and specifically discloses a tidal energy power generation and intelligent aquaculture system, which comprises a cascaded power transmission-in module, a power transmission module, a power generation module and an intelligent aquaculture module, wherein the power transmission-in module is used for capturing the kinetic energy of sea wave impact and converting the kinetic energy into mechanical energy input into the power transmission module; the power transmission module is used for stably transmitting the mechanical energy and converting the mechanical energy into unidirectional rotary motion to drive the power generation module to work; the power generation module is used for converting the mechanical energy into electric energy and supplying power for the intelligent aquaculture module; and the intelligent aquaculture module is used for realizing intelligent control and management of aquaculture based on the power supply of the power generation module. Through the mechanical transmission and intelligent control system, the tidal kinetic energy can be efficiently converted into electric energy, and the aquaculture process can be finely and automatically managed.

This invention relates to a magnetic stone retrieval basket handle, belonging to the field of medical device technology. This magnetic stone retrieval basket handle achieves axial movement and circumferential rotation of the basket's core wires through a non-contact transmission method using magnetic coupling between an outer and inner magnet. Combined with the guiding effect of a steel tube, it ensures the smoothness and precision of the basket's opening, tightening, and rotation operations, avoiding the jamming and loosening problems of traditional mechanical transmission. It simplifies the handle's transmission structure, reduces mechanical wear, and extends the handle's service life. Magnetic transmission eliminates the need for threads, drill holes, or other structures on internal transmission components, facilitating cleaning and disinfection, reducing the risk of infection, and improving the stability and safety of intraoperative stone retrieval operations.

This application discloses an automatic filling device for gravity pre-loading columns, relating to the field of automatic filling technology. It includes a main body, a transfer box, and a fixed cylinder. The main body has a discharge port on one side and a pushing mechanism installed inside. The transfer box is fixedly connected to one side of the main body, with an inlet on one side that matches the discharge port. The fixed cylinder is fixedly connected to the outside of the main body and installed above the transfer box. A vibration mechanism is installed on the lower side of the fixed cylinder, and an offset mechanism is installed on the upper side of the transfer box. This device combines spiral propulsion with material agitation to break up agglomerates during transport. It also utilizes a rotating plate to periodically trigger high-frequency vibration of a sliding rod, simultaneously achieving material anti-blocking and compaction. The automatic linkage vibration during filling eliminates gaps through mechanical transmission, resulting in a dual effect that improves compaction. The structural linkage optimizes efficiency and quality.

The invention relates to an automatic take-up and pay-off fishing tackle which is characterized by comprising a winch rod, a power rod, a driving motor, a gearbox module and a control box. A pure mechanical transmission mode is adopted to be applied to fishing boats for sea fishing or fishing, the stability is good, and the service life is long; a power source drives a power rod to rotate, so that circulating reciprocating of a reciprocating block is achieved, and a driving chain wheel which is connected with a key groove through a key and installed on one side of the reciprocating block rotates. The shifting fork and the chain are connected with the winding rod, so that the winding rod does reciprocating and rotating motion; it is guaranteed that the fishing lines are regularly arranged on the winch roller; the double transmission shafts are arranged in the gearbox shell, so that the rotating speed output by the driving motor is effectively adjusted; in addition, a ratchet wheel is arranged on one transmission shaft to be matched with an electromagnet and a torsional spring to brake the transmission shafts in the gearbox. The power source serves as a power source of a large-scale automatic fishing tackle and is stable in take-up and pay-off, mechanical transmission can be used in severe environments, and the service life is long.

The invention discloses a cervical dilation rod capable of controlling medicine release, and relates to the technical field of medical instruments, the cervical dilation rod comprises an insertion piece, one end of the insertion piece is fixedly connected with a connecting thread sleeve, one end of the connecting thread sleeve is fixedly connected with a limiting plate, and the interior of the connecting thread sleeve is in threaded connection with a driving rod; a plurality of flexible arc-shaped petals are installed at the end, away from the connecting thread sleeve, of the inserting piece, a liquid supplementing piece is fixedly connected to one side of the interior of the inserting piece, one end of the liquid supplementing piece communicates with the flexible arc-shaped petals, the driving rod is manually rotated, so that components in the driving rod operate, one end of the driving rod extrudes the flexible arc-shaped petals from inside to outside, and the flexible arc-shaped petals are fixed to the end, away from the connecting thread sleeve, of the inserting piece. The extrusion speed is stable, the multiple flexible arc-shaped flaps are expanded to achieve radial expansion, a doctor can control the expansion diameter in real time according to the hand feeling, follow-up operation treatment of the doctor is facilitated, the doctor becomes a main guide of the expansion process through pure mechanical transmission, accurate control can be conducted according to the real-time hand feeling, and the operation safety is remarkably improved.

The application discloses a conveyor chain tension adjusting device, and relates to the field of mechanical transmission devices.The device comprises a cylinder, the outer wall of which is provided with a fixing seat, and the inner wall of which is provided with a plurality of sliding grooves; the top end of the cylinder is provided with a motor, the inner top wall of the cylinder is connected with a lead screw through a bearing, and the top end of the lead screw is fixedly connected with the output end of the motor; the lead screw is threadedly connected with a connecting seat provided with a sliding block, and the sliding block is slidably embedded in the sliding groove; the connecting seat is connected with a top seat through a connecting rod, the bottom of the top seat is provided with a spring and a base, a supporting rod is inserted into the base, and the bottom end of the supporting rod is provided with a tensioning wheel; and the bottom end of the connecting seat is provided with a position sensor.The device adjusts the height of the connecting seat through the motor driving the lead screw, dynamically compensates the stretching and contraction of the chain in combination with the spring elastic force, cooperates with the position sensor to monitor the tensioning force change in real time and feeds back the adjustment, effectively solves the problems of stretching deformation, chain jumping and fracture caused by insufficient tensioning force of the chain, and significantly improves the stability and reliability of the operation of the conveying chain.

The invention relates to the technical field of biological sample treatment, and discloses a tumor organ drug sensitivity detection automatic sample treatment instrument which comprises a treatment instrument body, an assembly table is fixedly connected to the top of the treatment instrument body, a liquid relief mechanism is arranged in the assembly table, and a uniform mixing mechanism is arranged at the top of the treatment instrument body. A split charging assembly is arranged on the outer side of the treatment instrument body, the pipetting mechanism comprises a first motor and a rotating rod, the rotating rod is rotationally connected to the interior of the assembly table, a culture dish is fixedly connected to the top of the rotating rod, four grooves are formed in the top of the culture dish, and a rotating block is fixedly connected to the outer side of the rotating rod. By means of ordered mechanical transmission, a plurality of culture samples can be accurately transferred one by one, errors and complexity of manual operation are avoided, meanwhile, the sample treatment efficiency is improved through the multi-groove design and the automatic switching mechanism, and it is ensured that each sample can be stably conveyed to the next link.

The utility model discloses an anti-seismic closed channel machine room combined suspended ceiling which comprises a steel beam conversion system, a heavy keel hanging system and a suspended ceiling plate, the steel beam conversion system comprises a plurality of C-shaped steel channels, the heavy keel hanging system comprises a main keel and a secondary keel, and the main keel is connected with the steel beam conversion system through a connecting piece to form a double-layer framework. C-shaped steel channel beams are adopted to form a steel beam conversion system, flexible lap joint and downward hanging can be achieved, punching construction on a floor slab is eliminated, structural damage is reduced, meanwhile, the flexible and changeable hanging requirement of a data center is met, the rigidity of the overall structure is improved, and larger space is provided for installing various devices and pipelines. The multi-layer structural design of the system optimizes a mechanical transmission path, vibration and deformation are effectively reduced, and meanwhile the reliability and safety of the whole system can be improved.

The utility model discloses a kind of Dulong Chishao cultivation devices, it is related to Chishao cultivation technical field, support frame, two symmetrical distribution's watering direction adjusting parts are installed on the support frame, two watering direction adjusting parts are all rotationally connected with reagent spraying part, one end of two reagent spraying parts close to support frame is hinged with support frame, and another end of two reagent spraying parts is all installed with multiple atomizing nozzles.The Dulong Chishao cultivation device is synchronous with soil loosening shovel to complete soil loosening operation, and the contact pressure of linkage plate and ground is automatically triggered baffle displacement by mechanical transmission, so that the seed tank bottom seed hole is accurately opened and closed, and vibration during soil turning shovel operation is used to realize automatic seed sowing;Reset spring is immediately reset to close seed hole when stopping moving, to form the closed loop operation system of soil turning-sowing-stopping, which not only avoids seed waste, but also ensures the unity of sowing depth and soil turning effect, significantly improves the standardization degree of Chishao planting.