36results about How to "Avoid complex structures" patented technology

The invention provides automobile spare part hoisting equipment, and belongs to the technical field of automobile spare part hoisting, the automobile spare part hoisting equipment comprises an L-shaped hoisting plate, a sleeve and a hoisting ring assembly, and further comprises arc-shaped plates symmetrically arranged in the sleeve, the opposite faces of the two arc-shaped plates are connected with matched cushion covers, a pair of shifting plates is arranged outside the sleeve, and the shifting plates are connected with the L-shaped hoisting plate. The shifting plate is provided with guiding faces inclining downwards, the sleeve is provided with a connecting piece connected between the shifting plate and the arc-shaped plate, the L-shaped hanging plate is provided with an adjusting groove, and an adjusting assembly arranged on the adjusting groove is arranged between the two guiding faces in a linkage mode. The guide wheels in the adjusting assemblies move along the guide faces, the positions of the two arc-shaped plates are flexibly adjusted in the sleeves, and therefore the motor rotor shaft lifting device adapts to motor rotor shafts of different sizes, the sleeves do not need to be replaced, the structure is simplified, the maintenance cost is reduced, meanwhile, it is ensured that the motor rotor shafts are tightly clamped, and lifting safety and reliability are improved.

The invention discloses a multifunctional indoor storage rack which comprises a base with universal wheels, a vertically telescopic rod, a storage rack main body arranged above the telescopic rod and a dustproof soft cover arranged above the storage rack main body. And a plurality of hanging rods which can slide left and right and are locked through fasteners are arranged on the storage rack main body, so that the hanging or placing distance can be flexibly adjusted according to the width of articles. One end of the dustproof soft cover is wound on the reel in the left frame rod, and the other end of the dustproof soft cover is provided with a magnetic suction rod, can be pulled out and wound on the supporting framework above, and is finally fixed on the right frame rod in a magnetic suction manner, so that a dustproof structure covering the upper part of the storage area is formed. According to the design, dust mainly from the upper portion settles, effective dust prevention is guaranteed, meanwhile, the structure is simplified, and operation is convenient. The device has the advantages of being convenient to move, adjustable in height and width, efficient in dust prevention and the like, reasonable in structure, high in function integration degree, suitable for various indoor storage scenes and high in practicability.

The utility model belongs to pipeline dredging technical field, concretely relates to an underground pipeline dredging device, including cage, first traction part and second traction part, the cage periphery is provided with a plurality of helical rib along the length direction array, first traction part is arranged in cage one end, and first traction part end is rotationally provided with first lifting ring, second traction part is arranged in cage other end, and second traction part end is provided with second lifting ring, first traction part and second traction part structure are same, first traction part includes at least three connecting rib -to -plate, connecting rib -to -plate one end setting in the cage periphery, and the other end of connecting rib -to -plate is fixedly connected and is the end of conical structure, the taper angle of first traction part is less than the taper angle of second traction part.

The invention relates to the technical field of agricultural insect pest treatment, and provides a multi-pesticide-box automatic pesticide dispensing and spraying device which comprises an outer shell, and a total liquid outflow opening is formed in the bottom of the outer shell and communicates with the outside; the inner shell is arranged in the outer shell, the inner shell is provided with a first inner cavity, a second inner cavity is formed between the outer shell and the inner shell, and the first inner cavity is provided with a first airflow inlet and a first liquid flow outlet; the plurality of liquid medicine bottles are arranged on the outer wall of the outer shell and are provided with liquid medicine cavities, and the liquid medicine cavities are communicated to the first inner cavity; the bottom support piece is arranged in the first inner cavity; the first sliding piece is arranged in the first inner cavity in a lifting sliding mode, and a first stirring space is formed between the first sliding piece and the bottom supporting piece. By means of the technical scheme, the problems that in the prior art, automatic spraying equipment is complex in overall structure and large in occupied space, the manufacturing cost of the device is increased, and the application efficiency is limited are solved.

The invention relates to the technical field of laser welding, in particular to a high-speed copper wire welding method. Comprising the following steps: shaping a high-speed copper wire to be welded; assembling the shaped high-speed copper conductor on a copper terminal; and the position of the blue-light semiconductor continuous laser is adjusted, so that emitted blue-light laser is focused to the joint of the high-speed copper wire and the copper terminal, and the copper wire and the copper terminal are welded. The high-speed copper wire welding mode is simple, the blue laser is adopted for welding the high-speed copper wire, the absorptivity and the welding effect of the laser welding copper wire can be improved, many problems existing in existing laser welding copper wires are solved, and the high-speed copper wire welding method has great popularization value.

This utility model relates to the field of horizontal five-axis machine tool technology, and provides a horizontal five-axis machine tool with a linear sliding mechanism disposed on the machine bed, on which a milling head mechanism is connected. The linear sliding mechanism drives the milling head mechanism to slide linearly. The B-axis rotation mechanism can drive the milling head mechanism to rotate along the B-axis. The C-bearing-loaded rotation mechanism can carry the workpiece and drive the workpiece to rotate along the C-axis. By independently integrating the B-axis rotation mechanism into the milling head mechanism to drive its rotational motion along the B-axis, and simultaneously setting the C-bearing-loaded rotation mechanism separately on the machine bed and directly carrying the workpiece to drive its rotation, the physical separation of the dual rotational motion functions is achieved, thereby significantly simplifying the structure of the horizontal five-axis machine tool and avoiding the structural complexity of existing integrated cradle mechanisms; at the same time, the C-bearing-loaded rotation mechanism has a simple structure and is fixed to the machine bed base, greatly improving its rigidity and stability, and effectively reducing the generation of deformation and vibration phenomena under cutting force load.

This invention belongs to the field of multi-beam antenna arrays and discloses a filtered multi-beam array and method based on a four-channel filter jumper. By integrating a microstrip-to-substrate integrated waveguide structure, a filter Butler matrix containing a four-channel filter jumper, and an antenna array on a first metal layer, a filtered multi-beam array based on a multi-layer planar structure is constructed. The four-channel filter jumper utilizes multiple resonant cavities and coupling structures, and by precisely controlling the coupling phase between the resonant cavities, a preset phase shift is directly introduced while achieving the filtering response, thus integrating filtering and phase-shifting functions into a single device. This design avoids the complex structure of filter couplers and the additional losses of filter phase shifters in traditional integrated schemes, significantly simplifying the device architecture, reducing transmission loss, improving system integration and beamforming accuracy, and effectively meeting the urgent needs of 5G and future 6G communication systems for high performance, low loss, and high integration.

The application discloses a fiber type horizontal angle indicating device based on a self-collimation principle and a method thereof, and relates to the technical field of horizontal angle indication.The device comprises a light source, a fiber weight module, a light intensity receiving module and a frame.The light source emits a space light which is coupled into the fiber weight module.The fiber weight module converts the direction of the incident light into a vertical downward direction and emits the light to a measured object.The measured object reversely couples the incident light into the fiber weight module.The fiber weight module emits the incident light to the light intensity receiving module.The light intensity receiving module converts the incident light into an electric signal.The frame is used for suspending the fiber weight module.The application is suitable for the installation and debugging process of high-end manufacturing equipment, measuring instruments and scientific test equipment, and provides high-sensitivity horizontal angle indication for the adjustment requirement of the spatial posture of a sensitive element and the high-precision level of the ground.

The application relates to a sealing beam lifting mechanism which comprises a lower transverse beam located on the inner side of a civil air defense door, a vertical beam fixedly connected above the transverse beam and sleeved with a slidable protective sleeve on the outer side, a driving handle composed of an inner handle, an outer handle and a connecting shaft, a connecting rod mechanism containing a main connecting rod structure and a secondary connecting rod structure, and the like, the driving handle is swung to drive the connecting rod mechanism to drive the protective sleeve and the vertical beam to move relative to each other, the transverse beam is lifted, the vertical beam is provided with two sets of connecting rod mechanisms, one set of connecting rod mechanism is arranged on each end of the vertical beam, the lower part of the transverse beam is provided with double-layer stepped installation grooves and sealing rubber strips, and the bottom of the vertical beam is fixed with the transverse beam through a connecting plate provided with height adjusting shims. The application has the technical effects of sealing the space between the civil air defense door and the ground and facilitating installation and maintenance.

The embodiment of the application provides a battery baking device and a baking method thereof, and relates to the technical field of battery manufacturing. The device is used for the coordinated drying of a battery in multiple physical fields. A generator is connected in parallel to an oven, a vacuum pump is connected in series to the oven, a valve assembly is used for switching the working states of the vacuum pump and the generator, and a heating plate is arranged in the oven and is in contact with the battery for heat conduction. The battery baking device and the baking method thereof can efficiently drive the desorption and migration of strongly adsorbed moisture in the battery, and improve the drying depth and time economy of the baking process.

The utility model provides PVC (polyvinyl chloride) material hot-cutting granulation equipment, which belongs to the technical field of PVC granulators and comprises a processing shell, an extrusion plate is slidably connected in the processing shell, and a plurality of extrusion holes are formed in the lower end of the processing shell; the lower pressing rod is fixedly connected to the upper end of the extrusion plate; the lead screw nut is fixedly connected to one end of the lower pressing rod; the lead screw is in threaded connection with the lead screw nut, and the driving gear is fixedly connected to the lower end of the lead screw; the gear ring is rotationally arranged on the lower side of the machining shell, the gear ring is intermittently meshed with the driving gear, rotation of the lead screw is converted into linear motion through the lead screw nut, the pressing rod is driven to push the extrusion plate to press downwards, and the materials are continuously extruded out of the extrusion hole; when the driving gear at the tail end of the lead screw is meshed with the gear ring, the gear ring drives the cutter to rotate at a high speed, the cutting action is completely matched with the extrusion rate, and it is ensured that materials are cut immediately after being extruded and particles are uniform in size.

The invention provides an atomization assembly and clothes cleaning equipment. The atomization assembly comprises an installation structural part and an atomization body. The mounting structural member is located on a door body of the clothes cleaning equipment. The mounting structural part comprises a containing structure, and a water storage space is defined by the containing structure. Water stored in the water storage space is used for achieving the atomization function of the atomization body assembled to the second opening, and water is discharged into the clothes cleaning equipment from the second opening. The structure is simple and compact, the problems that the structure is complex and pipelines are complex due to the fact that the atomization body is connected with the water supply system of the clothes cleaning equipment for water supply are solved, the integration of the atomization assembly is improved, and meanwhile the cost of the atomization assembly and the cost of the clothes cleaning equipment are reduced. When the installation structural part is located on the door body of the clothes cleaning equipment, the atomization main body can be installed by means of the door body structure of the clothes cleaning equipment, the structural arrangement is simplified, the cost is reduced, and operation such as using, water adding, maintaining and replacing of the atomization assembly can be achieved by means of opening and closing of the door body.

The utility model relates to the technical field of tea leaf forming processing discloses a tea ball dragon ball secondary pressure setting mechanism, design includes carousel, pressure setting mechanism and guide strip, the carousel evenly has a plurality of pressure setting mechanisms, a plurality of pressure setting mechanisms along the rotation center of carousel evenly annular arrangement, the pressure setting mechanism includes gyro wheel, push -and -pull integrated pole and first hemisphere mould and second hemisphere mould, the first hemisphere mould with carousel between relative fixed, the second hemisphere mould with push -and -pull integrated pole relative fixed, push -and -pull integrated pole far from the one end of carousel rotatoryly be equipped with gyro wheel, when the pressure setting mechanism rotates to guide strip one side, the gyro wheel with guide strip contact. The hemisphere mould of different ball diameter can realize quick matching and replacement according to the connecting sleeve, and the mould is simple and low in cost, the utility model shortens the die changing debugging time from 5 to 8 hours to 5 minutes, and the efficiency is improved by more than 60 times.

The invention discloses a sealing structure and method for wide-temperature pressure sensor testing, and relates to the technical field of pressure sensor testing. A high-strength locking mechanism is formed by the elastic assembly, the sleeve and the plugging ball, rapid and efficient disassembly and assembly operation can be achieved, and then the testing efficiency is improved; the plugging ball is matched with the through hole and the second groove, so that the locking function of the movable part is realized, and the stability of the sealing structure in the testing process is ensured; the limiting component arranged on the clamping groove can prevent the sleeve and the plugging bead from falling off due to loss of limitation; the clearance fit between the lower convex cavity and the movable part ensures the stable movement of the movable part in the body, and reduces the risk of leakage. During testing, locking and unlocking of the movable part are achieved through simple sleeve pressing and loosening actions, testing operation is facilitated, and the testing efficiency is improved; through cooperation of the plugging bead, the through hole and the second groove, an efficient and stable sealing effect is achieved, and the problem that the wide-temperature pressure sensor is prone to leakage during testing is solved.

The utility model provides a split type volute assembly for an integral gear type compressor, which is mainly used for solving the problems of large casting difficulty, large volute assembly weight, high hoisting capability requirement, large impeller assembly weight, large cantilever moment, difficulty in assembly operation, low cost and the like of the existing volute assembly for medium and large integral gear type compressors. And the connection condition of the rotor piece is not convenient to check. The split type volute assembly comprises a volute, a first half flange and a second half flange. The first half flange and the second half flange are assembled to form a flange plate, bolts are adopted to penetrate through the corresponding first through holes, and the first half flange and the second half flange are connected with the volute correspondingly; an arc-shaped reinforcing rib is arranged on the side, away from the volute, of the second half flange, the inner arc face of the arc-shaped reinforcing rib is connected with the second half flange, an axial gap is reserved between the outer arc face of the arc-shaped reinforcing rib and the second half flange, bolts penetrate through the corresponding second through holes, and the arc-shaped reinforcing rib is connected with the gear box half flange.

The invention discloses a strain slow-release Ge / Si / SiGe heterostructure. The strain slow-release Ge / Si / SiGe heterostructure sequentially comprises a Ge substrate, a Si buffer layer and a SiGe epitaxial layer from bottom to top, the thickness of the Si buffer layer is 5-12 nm; and the thickness of the SiGe epitaxial layer is 180 to 200 nm. The invention also discloses a growth method of the strain slow-release Ge / Si / SiGe heterostructure. The growth method specifically comprises the following steps: carrying out surface treatment and activation on the Ge substrate; epitaxially growing a Si buffer layer on the Ge substrate by adopting LPCVD (Low Pressure Chemical Vapor Deposition); and growing a SiGe epitaxial layer on the Si buffer layer by adopting an LPCVD (Low Pressure Chemical Vapor Deposition) method, and cooling. By constructing the strain slow-release Ge / Si / SiGe heterostructure, effective regulation and control of a Ge / Si interface mismatch strain release path are realized, dislocation is released in the Si buffer layer in a preposed manner and is terminated at the Si / SiGe interface, and thus the defect density in the SiGe epitaxial layer is remarkably reduced.

This application relates to the field of smart bathroom technology, and provides a water pattern switching device, a spray gun, a smart toilet seat, and a smart toilet. The switching valve has a water passage chamber and a movable component movably disposed within the water passage chamber. The switching valve has a first spray hole and a second spray hole. In a first position, the first spray hole faces upward, aligning with the water outlet and communicating with the water passage chamber, while the second spray hole faces downward. The movable component can move under gravity to the connection point between the second spray hole and the water passage chamber, sealing the second spray hole. In a second position, the second spray hole faces upward, aligning with the water outlet and communicating with the water passage chamber, while the first spray hole faces downward. The movable component can move under gravity to the connection point between the first spray hole and the water passage chamber, sealing the first spray hole. Multiple water patterns can be switched using only one water supply pipe combined with the gravity sealing of the movable component, overcoming the structural complexity of traditional solutions that require multiple independent water supply channels corresponding to different spray holes, effectively reducing the structural complexity of the device and the number of accessories.

The invention relates to an optical parameter detection device and method, in particular to an optical system wavefront detection device and method based on phase modulation. In order to solve the problems in the prior art that a multi-frame acquisition strategy adopted by a phase recovery method based on a point spread function is difficult to adapt to a dynamic test scene, a single-frame acquisition strategy is difficult to stably invert wavefront with conjugate symmetry, and iterative inversion operation time is relatively long and may fall into a local optimal solution, the invention provides a phase recovery method based on a point spread function. The invention discloses an optical system wavefront detection device based on phase modulation. The optical system wavefront detection device comprises a module, a first imaging lens, a first plane mirror, a beam splitter, a microscope objective, a second plane mirror, a partition phase plate, a second imaging lens and a photoelectric detector, and asymmetric phase coding is achieved through the partition phase plate. Based on the device, according to the method, the unsupervised deep neural network is combined with the physical driving layer, so that accurate inversion of different optical systems to be detected is realized.

This invention belongs to the field of power electronic converter technology, specifically disclosing a direct optimization model predictive control method and system for an MMC-STATCOM system. The method includes: calculating the differential-mode voltage and common-mode voltage between the upper and lower arms of each phase; injecting third harmonic voltage into the upper and lower arms of each phase to obtain the upper and lower arm voltages of the newly added third voltage component for each phase; based on the obtained upper and lower arm voltages of the newly added third voltage component, determining the number of sub-modules to be engaged in each phase's upper and lower arms using a nearest-level approximation modulation strategy; sorting the sub-modules according to the capacitor voltage of each sub-module in the arm; and determining the engaged sub-modules for each arm according to the current direction. This invention, while maintaining the discrete control structure, achieves direct injection of third harmonic voltage under the MPC framework, exhibiting higher real-time performance and scalability.

The invention provides an atomization assembly and clothes cleaning equipment. The atomization assembly comprises an installation structural part, a water storage box and an atomization device. The mounting structural member comprises a first mounting part and a second mounting part, and the water storage box is assembled on the first mounting part. The water storage box comprises a box body and a valve, the box body is provided with a water outlet, and the valve is assembled at the water outlet. The atomization device is assembled to the second mounting part and comprises a water inlet structure and an atomization body, the atomization end of the atomization body communicates with the interior of the clothes cleaning equipment, and the water inlet structure is connected to the water outlet. The structure is simple and compact. When the installation structural part is located on the door body of the clothes cleaning equipment, the atomization device and the water storage box can be installed by means of the door body structure of the clothes cleaning equipment, the structural arrangement is simplified, the cost is reduced, and the atomization device can be used, and water adding, maintaining, replacing and other operations can be achieved by means of opening and closing of the door body.

A vehicle seat includes a seat cushion including a seat cushion frame as an internal skeleton of the seat cushion, a footrest rotatably provided at a front portion of the seat cushion frame, a lift driving mechanism configured to raise and lower the front portion, and a footrest tilting mechanism configured to rotate the footrest in conjunction with an operation of the lift driving mechanism.

The utility model discloses a four-function pulling head switching structure and a pulling head with the same, which comprises a water outlet head, a water segregator, a 12-hole fixed ceramic chip, a 3-hole movable ceramic chip, a spray regulator, a gear, a reset device, an outer water channel and a switching knob, the water segregator is connected to the lower portion of the water outlet head in a sleeved mode and provided with water outlet channels corresponding to the water outlet holes, a water inlet of the water segregator is connected with the 12-hole fixed ceramic chip in a sleeved mode, and the 12-hole fixed ceramic chip and the 3-hole movable ceramic chip form a water segregation structure. According to the water distribution structure, the holes in the three-hole movable ceramic chip correspond to the holes in the 12-hole fixed ceramic chip for water path distribution. According to the four-function drawing head, switching of four kinds of water spray can be achieved, meanwhile, a complex structure with a center bolt in the prior art is avoided, and the function of switching of four kinds of water spray modes can be achieved through one switching knob.

The invention provides an electric toothbrush replacement head and an electric toothbrush, the electric toothbrush replacement head comprises a brush head, one end of the brush head is provided with a first cavity, a tail plug is arranged in the first cavity, and the tail plug is provided with a second cavity; a first clamping block is arranged on the inner wall of the second cavity, a first tail cover elastic protruding point is arranged on the first clamping block, a limiting bone is arranged on one side of the first clamping block, a second clamping block is arranged at one end of the limiting bone, and a second tail cover elastic protruding point is arranged on the second clamping block. A third clamping block is arranged at one end of the first clamping block, and a tail cover elastic buckle is arranged at one end of the third clamping block. The replacement head of the electric toothbrush and the electric toothbrush are convenient for a user to use, convenient to disassemble, clean and disinfect, more suitable in plugging and unplugging hand feeling, capable of improving the experience of difficult plugging and unplugging, and more in line with the use habits and better experience of the public.

The utility model discloses a handle structure capable of being locked up and down, which relates to the technical field of door and window handles and comprises an outer base, one side of the outer base is connected with an outer cover plate, and the other side of the outer base is connected with an inner cover plate. A lock cylinder part is slidably mounted on the inner side of the outer base, a driving core used for driving the lock cylinder part to slide up and down is rotatably mounted in the outer base, and one end of the driving core extends out of the outer cover plate to be fixedly connected with a handle. The driving core is provided with two sets of symmetrically-distributed driving ball grooves, the lock cylinder piece comprises a lock cylinder sliding frame arranged in the outer base in a sliding mode, steel ball grooves are formed in the inner side of the lock cylinder sliding frame, and limiting steel balls are connected between the steel ball grooves and the driving ball grooves. The limiting steel ball, the steel ball groove formed in the lock cylinder piece and the driving ball groove formed in the driving core form a clamping state, so that the locking state of a product belongs to a brand-new structure and a simple three-point physical structure, the stability is high, and the cost is extremely low.

The utility model relates to the field of foot bath barrels, in particular to a split type spraying foot bath barrel which comprises a foot bath barrel, a base and a spraying assembly, a heating assembly is arranged in the spraying assembly, the spraying assembly comprises a water inlet seat and a water outlet seat, and a water inlet connector and a water outlet connector which are connected with the water inlet seat and the water outlet seat in a sealed mode are arranged at the bottom of the foot bath barrel. A spraying pipe is arranged at the water outlet connector, the water inlet seat and the water inlet connector are sealed through a sealing structure, the water outlet connector and the water outlet seat are sealed through a sealing structure, and the sealing structure comprises rubber sealing rings located at the upper ends of the water inlet seat and the water outlet seat and sealing pieces located in the water inlet connector and the water outlet connector. The water inlet connector and the water outlet connector are inserted into the rubber sealing ring for sealing. The split type foot bath barrel is connected with the base through a sealing structure, water leakage in the process is effectively avoided, a complex structure is avoided, and the split type foot bath barrel can be produced and used in a conventional injection molding mode. The rubber sealing piece seals the water inlet assembly, the base and the water inlet connector at the same time, the sealing effect is good, and leakage is effectively avoided.

The invention discloses an assembly type frame structure and a crane, the assembly type frame structure comprises a box-shaped frame body, the box-shaped frame body comprises a frame front section, a frame rear section and a frame rear section, the frame front section is provided with a first end and a second end which are oppositely arranged; the frame rear section is provided with a first end and a second end which are oppositely arranged; the frame middle section is located between the second end of the frame front section and the first end of the frame rear section, and the frame front section, the frame middle section and the frame rear section are sequentially arranged and connected end to end; the frame middle section is connected with the frame front section or the frame rear section through a sleeve connecting assembly, the sleeve connecting assembly comprises a tubular shaft and a sleeve, and the sleeve connecting assembly is provided with a T-shaped thread adjusting assembly located at the insertion end of the tubular shaft. The T-shaped thread adjusting assemblies generate axial displacement through mutual rotation to adjust the axial gap between the frame middle section and the frame front section or the frame rear section. The front part and the rear part of the frame are connected into a whole, local torsion of the tail part of the frame is allowed, and the displacement difference between the left side and the right side of the vehicle is buffered.

This invention discloses a predictive control method for back-to-back multiport converters based on vector decomposition. First, it obtains the stator current reference on the machine side, the capacitor voltage reference on the grid side, and the battery port power references on both the machine side and the grid side. Then, it equates the back-to-back multiport converter to a back-to-back two-level converter, obtaining simplified basic voltage vectors for machine-side and grid-side control. Next, it establishes predictive models for the machine-side stator current and the grid-side inductor current, and further establishes loss functions for machine-side and grid-side control. By optimizing the loss functions, it obtains the optimal basic voltage vectors and their durations on the machine side and grid side, respectively, and then synthesizes the desired voltage vectors on the machine side and grid side. Finally, it equates the back-to-back multiport converter to four virtual two-level converters associated with the DC port, and decomposes the output voltage vectors of the four virtual two-level converters according to the calculated scaling factor, thus obtaining the switching sequence of the back-to-back multiport converter.

This invention discloses a force adjustment feedback mechanism, a lifting control system, and a control method for a tractor. The force adjustment feedback mechanism includes a bent rod, a return spring, a force adjustment feedback flexible shaft, a bent rod housing, a positioning bolt pin, and a sensor control rod. The bent rod housing is mounted on the rear transmission housing of the tractor, and the bent rod is mounted on the bent rod housing. The sensor control rod is mounted on the bent rod housing via the positioning bolt pin and can rotate around the positioning bolt pin. One end of the sensor control rod is in line contact with the bent rod, and the other end is connected to the force adjustment feedback flexible shaft. In the initial state, the contact foot of the sensor control rod is just in contact with the bent rod. The two ends of the return spring are inserted into the positioning holes of the bent rod housing and the sensor control rod, respectively. This invention replaces the original mechanical linkage of force feedback with a flexible shaft. The deformation of the bent rod caused by the traction force is fed back to the main control valve core of the lifting control valve through the flexible shaft, realizing force adjustment control. The force adjustment feedback mechanism has a simple structure.

The invention discloses an interlayer supporting structure for a high-vacuum heat insulation tank, the high-vacuum heat insulation tank comprises a shell and an inner container, the shell and the inner container form an interlayer, the axial front end of the interlayer is provided with four sliding ends, and the axial rear end of the interlayer is provided with four fixed ends; the fixed end comprises a shell supporting cover connected with the inner wall of the shell and an inner container supporting cover connected with the outer wall of the inner container, the shell supporting cover and the inner container supporting cover are oppositely arranged, do not make contact with each other and form a first cavity, and a composite supporting piece is arranged in the first cavity. The structure of the fixed end is optimized, a plurality of layers of stacked glass fiber reinforced plastic pieces are adopted to prolong a heat conduction path and increase contact heat resistance, the embedded stainless steel reinforcing pieces are adopted to replace the glass fiber reinforced plastic pieces to bear shear loads, and the bearing capacity of the structure is improved on the premise that the heat insulation performance is not affected; the technical problems that in the prior art, the heat insulation requirement cannot be met at the same time, and the bearing requirement can not be met without additionally arranging an auxiliary device are solved.