73results about How to "Avoid structural interference" patented technology

The embodiment of the invention provides a base station antenna and a base station. The base station antenna comprises a first antenna array, a metasurface lens and a second antenna array, the metasurface lens is located between the first radiator of the radiation unit of the first antenna array and the second antenna array, and is used for reflecting a radiation signal of the first antenna array and carrying out wavefront phase regulation and transmission on the radiation signal of the second antenna array. Therefore, the radiation signal of the second antenna array penetrating through the metasurface lens is approximately focused into a plane wave. The base station comprises the base station antenna. According to the scheme, a common-caliber array antenna can be realized, the defects of mutual shielding of antennas and mutual interference of antenna performance are avoided, the problem of structural interference can be avoided, and the antenna gain can be improved.

The invention discloses a monitorable smoke dust treatment device for steel plate numerical control cutting, and relates to the technical field of steel plate numerical control cutting machining, the monitorable smoke dust treatment device comprises a numerical control table and a dust collection assembly, a portal frame is horizontally erected above the numerical control table, and driving tables are installed at the bottoms of the left side and the right side of the portal frame; the dust collection assemblies are installed on the side edges of the portal frame in a bilateral symmetry mode. According to the monitorable smoke treatment device for numerical control cutting of the steel plate, the dust collection assembly is installed on one side of the portal frame, smoke generated by machining the surface of the steel plate through numerical control cutting equipment can be monitored and sensed in real time through a smoke sensor installed at the bottom of a pneumatic sliding block, and therefore the pneumatic sliding block drives a dust collection cover at one end of an adjustable hose; according to the dust collection device for the numerical control cutting equipment, the effect of tracking operation is achieved by cooperating with the operation of the numerical control cutting equipment, synchronously and horizontally and simultaneously cooperating with the combined operation of the driving table and the portal frame, and therefore smoke generated during cutting is synchronously sucked and collected in the dust collection assembly in a centralized mode.

The present invention discloses a mobile phone case size detection device, wherein a slide is movably arranged in the middle of a base, a turntable is rotatably arranged at the bottom of the slide, the turntable is linked with the slide, and a calibration block is arranged on the slide; a gantry frame includes longitudinal brackets arranged on the top of the base in a vertical direction and respectively located on both sides of the moving track of the slide, a crossbeam is connected between the tops of the longitudinal brackets, the extension direction of the crossbeam is perpendicular to the moving direction of the slide, a horizontal guide rail is arranged below the crossbeam, and the two ends of the horizontal guide rail are movably connected to the longitudinal bracket; a left fixed frame and a right fixed frame are movably arranged on the horizontal guide rail along the extension direction thereof, and a rotating block is rotatably arranged on the left fixed frame and the right fixed frame respectively, and the extension direction of the rotation axis of the rotating block is consistent with the moving direction of the slide. The mobile phone case size detection device can accurately and efficiently perform size detection on mobile phone case products.

The utility model discloses a handle, and belongs to the field of shooting auxiliary equipment. Comprising a first handle assembly and a second handle assembly, the second handle assembly is arranged below the first handle assembly, and the first handle assembly is detachably connected with the second handle assembly. Compared with the prior art, the handle is provided with the first handle assembly and the second handle assembly which are mutually detachable, so that when the height of the tripod is reduced or the tripod head is mounted on a sliding rail, the second handle assembly can be detached, and only the first handle assembly is reserved, so that the length of the handle is reduced; and structural interference of the handle to the holder is avoided.

The invention provides a laser measuring device for steel bar deformation, and belongs to the technical field of laser measuring equipment, the laser measuring device is characterized in that a top cover frame is arranged above a device base, and a detection cavity is formed between the device base and the top cover frame; the detection assembly comprises a grating light emitter and a grating light receiver which are used for detecting the deformation amount of the reinforcing steel bar, and the grating light emitter and the grating light receiver are both installed in the detection cavity and located on the two sides of the reinforcing steel bar; the driving assembly is used for fixing the bottom end of the reinforcing steel bar, driving the reinforcing steel bar to rotate along the axis of the reinforcing steel bar and driving the grating light emitter and the grating light receiver to move along the axis of the reinforcing steel bar for deformation detection, so that full-section detection of rotary scanning and axial movement is formed, and light signal changes instead of the relative offset between the two sections are captured section by section. The problem that a traditional laser measuring device is prone to data deviation is solved, a fixing assembly comprises two sets of clamping forks used for clamping the top end of a steel bar, and lubricating assemblies used for lubricating the rotating connecting position of a clamping roller and a support are arranged on the clamping forks.

The utility model discloses a stainless steel seawater purification valve, which relates to the technical field of seawater purification valves, and comprises a purification valve group and flange assemblies, the flange assemblies are arranged at the upper end and the lower end of the purification valve group, the left side and the right side of the purification valve group are provided with connecting pipe frames, and the connecting pipe frames are internally provided with filtering assemblies. According to the stainless steel seawater purification valve, the flange assemblies are arranged at the upper end and the lower end of the purification valve set, meanwhile, the assembly flange pipe and the external flange are arranged in the same structure, and therefore it can be guaranteed that when the whole device is connected with an external pipeline structure, the connection sealing performance can be guaranteed to the maximum extent; by means of the structure, leakage during conveying is avoided, by means of the connecting pipe frame and the filtering assembly, on one hand, a conveying medium can be filtered to a certain degree according to needs, and on the other hand, by means of the connecting pipe frame, the filtering assembly can be rapidly and flexibly installed, so that the device structure is convenient to disassemble, assemble and maintain.

The utility model relates to LED lamp equipment technical field provides a kind of inner frame for LED lamp, comprising: lamp shade;Anti-loose lock accessory, set in the inside of lamp shade, its outer peripheral part is in abutment with the inside wall of lamp shade;Sealing cover, install in the inner bottom of anti-loose lock accessory;Sealing anti -drop piece, set in sealing cover edge and anti-loose lock accessory corresponding position, the relative movement between sealing cover and anti-loose lock accessory can be limited.The utility model sets up anti-loose lock accessory and sealing anti -drop piece, so that the support component connection of the device is more closely, more reliable limit, can maintain inner frame structure stability for a long time, reduce the trouble caused by loosening misplacement, at the same time, the multi-dimensional sealing anti -drop design of the device setting, so that the fixation of sealing cover is more firm, sealing is more comprehensive, can significantly reduce the risk of water seepage, prolongs the service life of inner frame internal element.

This invention provides a strong wind-resistant double-glass photovoltaic module structure, which includes multiple photovoltaic panels. Multiple connectors are slidably connected to the bottom of each photovoltaic panel, and adjacent photovoltaic panels are staggered together via these connectors. Each photovoltaic panel has a limiting component 1 and a limiting component 2 on both sides. When the photovoltaic panels are in the unfolded state, adjacent photovoltaic panels are fixed together by the limiting components 1 and 2, achieving rapid unfolding / storage and high space-efficiency folding. Through the sliding hinge block and groove design, adjacent photovoltaic panels can be folded around an axis or slid horizontally and stacked for storage. Combined with the detachable limiting components, users can quickly lock or release the panels without tools, achieving a seamless transition from the unfolded state to the compact folded state. This greatly improves the module's space storage efficiency, facilitates transportation and storage, and supports rapid deployment and dismantling.

The utility model belongs to the technical field of medical instruments, and particularly relates to an automatic medicine taking cabinet which comprises an outer cabinet body, a glass cabinet door is arranged on the front side of the outer cabinet body, a medicine taking window is formed in the outer cabinet body, a PLC module, a relay module and a plurality of medicine storage and automatic medicine placing mechanisms are installed in the outer cabinet body, and each medicine storage and automatic medicine placing mechanism comprises a medicine storage groove. The medicine storage groove is obliquely installed on the outer cabinet body, a fixed plate installed on the rear side of the medicine storage groove is connected with one end of the shear fork type connecting rod mechanism, the other end of the shear fork type connecting rod mechanism is connected with a movable plate, an electric push rod is arranged on the shear fork type connecting rod mechanism in a driving mode, a medicine box supporting assembly is installed on one side of the medicine storage groove, medicine boxes are placed on the medicine storage groove, and the PLC module is electrically connected with a host. The shear fork type connecting rod mechanism is driven by the electric push rod to extend to drive the moving plate to push the medicine boxes, the medicine boxes are automatically taken out through control of the PLC module, and the medicine box supporting assembly can enable the medicine boxes of different sizes to stably move in the medicine storage groove under pushing of the moving plate.

The utility model provides a husking roller adjusting baffle and a husking assembly, the husking roller adjusting baffle comprises a fixed roller protection plate, a movable plate and a movable roller installation block, the movable plate is located between the fixed roller protection plate and the movable roller installation block, a sliding groove is formed in the movable roller installation block, and the movable roller installation block is located in the sliding groove. One end of the movable plate extends into the sliding groove and can move in the direction of entering and exiting the sliding groove, and the other end of the movable plate is hinged to the fixed roller protection plate. And a control supporting piece is arranged on the lower side of the movable roller mounting block. According to the utility model, the movable roller mounting block can be used for mounting a movable roller, and the fixed roller protecting plate can be used for mounting a fixed roller; the movable roller mounting block can ascend and descend relative to the fixed roller protecting plate, so that the movable roller can be driven to ascend and descend relative to the fixed roller, rapid switching adjustment of a grooved roller type and a flat roller type of the peeling machine is achieved, and adjustment convenience is improved.

The invention discloses a wireless power bank which comprises a base body provided with a power supply and a charging panel provided with a charging coil, and the charging panel is slidably connected to a first surface of the base body. According to the wireless power bank, the charging panel is designed to be slidably connected to the first surface of the base body, and the size of the extending part of the charging panel in the second direction is smaller than that of the base body in the second direction in the push-out state, so that a camera module of to-be-charged equipment can be effectively avoided, and structural interference between a charging coil and the camera module is avoided; and equipment such as mobile phones of different models can be adapted, and the product universality is improved. The sliding guide mechanism provides precise guide for sliding of the charging panel, it is ensured that the charging panel slides stably in the first direction and is free of offset and clamping stagnation, the conductive mechanism ensures that in the whole sliding process of the charging panel, the charging coil and the power source are always kept in conductive connection, charging interruption caused by sliding is avoided, and the stability of the wireless charging function is ensured.

The invention discloses an elastic wire mechanism and an anti-shake lens. The filament bouncing mechanism comprises a three-dimensional elastic piece and an AF elastic piece. The AF elastic sheet comprises a carrier connecting part used for being connected with a carrier and a support connecting part used for being connected with a support. An AF main elastic wire used for resetting a carrier AF is arranged between the carrier connecting part and the support connecting part, and the AF main elastic wire comprises a functional section and a first avoiding section used for avoiding an AF dispensing groove in the carrier. The three-dimensional elastic sheet is integrally formed by etching the same base material of the elastic sheet body, the AF elastic wire and the elastic blocking sheet, a splicing link is avoided, the structural strength is high, the mechanical property is unified, and a carrier AF auxiliary reset function and a support OIS core reset function are integrated. And the AF main elastic wire is provided with a first avoiding section for pertinently avoiding a carrier AF dispensing groove, so that the normal operation of dispensing operation is ensured.

The utility model discloses a precise filtering device of cation photocuring gloss oil, which relates to the technical field of cation photocuring gloss oil processing and comprises a filtering cabinet and a filtering component, lifting components are vertically mounted on the inner walls of the left side and the right side of the filtering cabinet, and one side, close to the vertical central axis of the filtering cabinet, of each lifting component is connected with a secondary filtering pipe component. The filter assembly is mounted in the center of the interior of the secondary filter pipe assembly. According to the precise filtering device for the cation photo-curing gloss oil, the rotary valve drives the filtering assembly to filter the curing gloss oil conveyed in real time, and meanwhile, the inner wall of the whole secondary filtering pipe assembly is cleaned, so that secondary filtering of the curing gloss oil is conveniently achieved through the secondary filtering pipe assembly; the discharging assembly can collect impurities treated during operation of the filtering assembly in a centralized mode, the situation that the filtering effect of the second-stage filtering pipe assembly is affected by impurity sedimentation is avoided, in addition, the second-stage filtering pipe assembly can be conveniently taken out for effective maintenance through the use of the lifting assembly, and the flexibility of the structure is improved.

The utility model relates to the technical field of water supply and drainage engineering, and discloses a water supply and drainage pipeline positioning device which comprises an outer water drainage pipe and an inner water drainage pipe, a double-ring-layer support is arranged between the outer water drainage pipe and the inner water drainage pipe in a sleeved mode, and a plurality of first positioning rod pieces for clamping and positioning the inner water drainage pipe are arranged in an inner ring structure of the double-ring-layer support in a sleeved mode. According to the multifunctional positioning device, the double-ring-layer support, the first positioning rod pieces, the second positioning rod pieces, the two-way composite pressing blocks, the first supporting bent plates, the locking rod pieces, the auxiliary guiding parts and the like are matched with one another to form the multifunctional positioning device; the locking rod piece presses the two-way composite pressing block under the supporting of the first supporting bent plate, so that the two-way composite pressing block synchronously abuts against the first positioning rod piece and the second positioning rod piece to concentrically position and clamp the outer drainage pipe and the inner drainage pipe, operation is convenient, and the workload is small.

The utility model relates to a shield construction system under multi-section step working condition, and specifically relates to a shield translation construction system under multi-section step working condition. The utility model discloses a rail clamp is set up on the first track and is fixedly connected with the jacking jack, so that the rail clamp is used as the supporting base of the jacking jack, and the shield machine is pushed; the first bracket and the second bracket are arranged at the bottom of the shield machine shell, the first bracket is arranged on the two sides of the first track, the second bracket is arranged on the side of the two first tracks away from the center line, the wheel set capable of sliding cooperation with the first track is installed through the first bracket, the friction resistance is reduced, the risk of damaging the shield machine body due to repeated installation and removal of the wheel set is reduced, the jacking jack is arranged through the second bracket for jacking, structural interference with the wheel set support is avoided, construction conditions are provided for changing the support system at the junction of different sections with height difference, and the shield machine can adapt to the translation of different sections.

The utility model discloses ultrafiltration equipment convenient to maintain, disassemble and assemble for CO2 separation membrane production, and relates to the technical field of CO2 separation membrane production, the ultrafiltration equipment comprises a support frame and a limiting frame group, the upper end and the lower end of the support frame are respectively provided with an assembly frame group, and the two ends of the assembly frame group are vertically provided with guide columns; the limiting frame groups are symmetrically mounted at the upper end and the lower end of the guide column up and down, and the ultrafiltration tube group penetrates through the middles of the limiting frame groups. According to the CO2 separation membrane production ultrafiltration equipment convenient to maintain, disassemble and assemble, supporting rings arranged at the upper end and the lower end of an ultrafiltration pipe set are matched with a limiting frame set for use, the ultrafiltration pipe set and the limiting frame set can be subjected to flexible structural disassembly and assembly, meanwhile, the ultrafiltration pipe set is vertically erected between a supporting frame and an assembling frame set through a guide column, and therefore the assembly efficiency is improved. In addition, through the assembling frame sets installed at the upper end and the lower end of the supporting frame, a plurality of supporting frames can be combined and connected in the horizontal direction, and the flexibility and stability of the structure of the device are further guaranteed.

The invention discloses automatic production equipment for a disposable dental three-purpose spray gun head, which can realize automatic production of the disposable dental three-purpose spray gun head through a shell feeding device, an inner core feeding and assembling device, a preheating device, a forming device, a cutting device and a discharging device which are arranged in sequence, and solves the problem that in the production process of the disposable three-purpose spray gun head, the production efficiency of the disposable three-purpose spray gun head is greatly improved. The problems of low production capacity, low automation degree, high degree of dependence on workers and great influence of human factors on product quality in the prior art are solved.

This invention relates to an optical imaging system, comprising a lens barrel and an imaging lens group and multiple spacer elements disposed within the lens barrel. The imaging lens group, along the optical axis from the object side to the image side, sequentially includes: a first lens with positive optical power, a second lens with negative optical power, a third lens with positive optical power, a fourth lens with positive optical power, a fifth lens with positive optical power, a sixth lens with positive optical power, a seventh lens with negative optical power, and an eighth lens with either positive or negative optical power. The sixth and seventh lenses have the largest air gap along the optical axis. The multiple spacer elements include a fifth spacer element and a sixth spacer element. The optical imaging system satisfies: 6.89 ≤ d6s / T67 ≤ 8.82; 8.66 ≤ d5m / CT6 ≤ 11.80. The optical imaging system of this invention can optimize lens shaping and control its aberration sensitivity, improve off-axis aberrations, thereby enhancing the system's imaging quality.

This invention relates to the field of attitude stabilization and active vibration control technology for tunneling machines, and discloses a magnetorheological active anti-instability and vibration suppression attitude stabilization system for a steep inclined shaft tunneling machine. The system includes an anti-roll bar assembly, a magnetorheological actuator, an attitude sensing unit, a vibration sensing unit, a drive unit, and a main controller. The main controller performs frequency domain decoupling filtering on the three-dimensional attitude signal and the three-axis vibration acceleration signal, separating the low-frequency reference attitude offset and the high-frequency vibration acceleration characteristic quantity, and calculating the anti-instability foundation support current and the vibration suppression damping compensation current respectively. It then calculates the control weights based on contact pressure data and weightedly fuses the two currents to generate a comprehensive target drive current. The drive unit adjusts the excitation current according to the comprehensive target drive current to change the apparent yield stress of the magnetorheological fluid. This invention reduces control interference in attitude stabilization support and high-frequency vibration reduction, and improves operational stability under complex conditions of steep instability.

The application relates to the technical field of batteries and discloses a battery cell and a battery pack. The battery cell comprises a shell, an open end of the shell, a pole group arranged in the shell, the pole group comprising a positive pole sheet, a diaphragm and a negative pole sheet arranged in layers, the diaphragm extending out of the upper side walls of the positive pole sheet and the negative pole sheet, a battery cell cover plate assembly comprising a cover plate and a lower plastic, the cover plate being arranged on the open end, the lower plastic being arranged on the lower surface of the cover plate and in the shell, the lower surface of the lower plastic being provided with a separation part and a pair of limiting parts, the pair of limiting parts being respectively arranged at opposite ends of the lower surface of the lower plastic, the separation part being arranged between the pair of limiting parts, the end area of the separation part away from the cover plate being smaller than the end area of the limiting part away from the cover plate, the length of the separation part being smaller than the length of the limiting part, and the separation part and the limiting part both abutting against the part of the diaphragm extending out of the positive pole sheet and the negative pole sheet. The compression amount of the separation part on the diaphragm is reduced, and the possibility of damage of the separation part to the pole group is reduced.

The application discloses a kind of methods for vacuum brazing center nozzle assembly, belong to welding technical field, the whole process route design in the present application, first realize the argon arc welding connection of front and rear two fuel ducts, then the front section of the above fuel duct assembly is welded to flow divider using argon arc welding process, then the front section air duct is welded to flow divider using argon arc welding process. Then, using one-time furnace vacuum brazing, simultaneously weld front and rear two air ducts and rear air duct and rear fuel duct, thereby avoiding part structure interference to the greatest extent, reducing brazing frequency in furnace, reducing the influence of unstable factors. The complete process provided by the application solves the technical problem of needing to consider welding quality and position requirement when vacuum brazing certain type of center nozzle assembly with Z-shaped weld, ensuring the smooth delivery of certain type of gas turbine, enriching related technical reserves, and having important engineering reference value for processing and manufacturing of similar parts.

The utility model discloses a ramming mechanism and pile body ramming device relates to pile body ramming device technical field, including adjusting table group and pile-ramming unit, the top of adjusting table group is equipped with the pile-ramming unit, and the left and right sides of adjusting table group are both vertically connected with support pillar group, and the support pillar group is equipped with the pile-ramming unit. The side, away from the adjusting table set, of the supporting column set is connected with a device frame set. According to the hammering mechanism and the pile body hammering device, through the structural use of the adjusting table set, the pile hammering unit can conduct front-back translation adjustment on the surface of the top of the pile hammering unit in the horizontal direction, so that it is guaranteed that an engineering supporting pile body is inserted into an inserting-connecting groove, the engineering supporting pile body is kept in the horizontal direction to the maximum extent, and angle deviation is avoided; and the lifting adjustability in the vertical direction can be provided for the pile smashing unit with the structural assistance of the supporting column set, so that vertically-arranged supporting pile bodies can be treated conveniently, effective structural gravity center stability is provided for the whole device through structural use of the device frame set, and vibration deviation during operation of the pile smashing unit is avoided.

The automatic tin dipping machine comprises a tin box assembly and a shielding cover assembly, a lifting frame set is vertically installed on one side of the tin box assembly, the side, close to the tin box assembly, of the lifting frame set is horizontally connected with a translation frame set, a clamping assembly is installed at the bottom of the translation frame set, and the clamping assembly is connected with the shielding cover assembly. The shade assemblies are symmetrically installed on the left side and the right side of the clamping assembly. According to the automatic tin dipping machine capable of preventing the tin liquid from splashing, the shade assemblies are symmetrically installed on the left side and the right side of the clamping assembly, visual interference can be avoided to the maximum extent, meanwhile, the problem that the tin liquid splashes when a workpiece is subjected to tin dipping is prevented, and the clamping assembly can be adjusted through the structure of the clamping assembly, so that the clamping assembly is convenient to use. Workpieces of different sizes can be stably clamped within a certain range, and adjustment activity of movement and rotation in the horizontal direction and the vertical direction can be provided for the whole clamping assembly and the shade assembly through cooperation of the translation frame set and the lifting frame set.

The utility model discloses a kind of welding strip 6 head simultaneous winding device, it is related to welding strip winding technical field, including base subassembly and winding subassembly, the top of base subassembly is vertically installed with driving assembly, winding subassembly is connected with the side edge upper end of base subassembly with base subassembly as center circular array and is provided with six groups, the top of driving assembly is installed with fixed frame.The welding strip 6 head simultaneous winding device, by setting the side edge of base subassembly is connected with six winding subassembly, simultaneously cooperate the structure cooperation of driving assembly, six groups of welding strip can be simultaneously wound, with the setting of this structure, the efficiency of device structure operation can be effectively guaranteed, simultaneously using winding subassembly itself structure, realize the disassembly replacement of winding roller, with this, the structural flexibility of device can be guaranteed, and base subassembly can guarantee the structural stability of entire device, to ensure the operation stability of device.

This invention relates to the field of laser cutting equipment technology, and discloses an intelligent laser cutting device and method for processing seamless steel pipes. The intelligent laser cutting device for processing seamless steel pipes is characterized by comprising: a machine tool body, a laser cutting mechanism, a front-end rotating fixture, a rear-end feed fixture, a control console, and an auxiliary support system; the auxiliary support system includes: a base, a rolling contact module, an avoidance drive module, a height adjustment module, a parameter sensing module, and a control module; the base is movably mounted on the machine tool body along the pipe's moving direction; the rolling contact module is mounted on the base and includes at least two side-by-side support rollers and a spacing drive mechanism for driving the two support rollers to move synchronously towards or away from each other; the avoidance drive module is connected to the base and is used to drive the rolling contact module to switch between a support position and an avoidance position.

The utility model provides an integral brazing light module water cooling plate radiator, include: the front water chamber, the front water chamber is equipped with at least one cooling liquid inlet and outlet pipeline connecting hole, the rear water chamber, a plurality of water cooling plates, a plurality of water cooling plates are arranged in parallel arrangement, a plurality of bellows, the bellows are arranged respectively in the front and back both ends of each water cooling plate for connecting every water cooling plate to the front water chamber and the rear water chamber respectively, the front water chamber and the rear water chamber are communicated with a plurality of water cooling plates in structure, make cooling liquid flow through every water cooling plate in turn, form continuous cooling liquid passage, the front water chamber, the rear water chamber, a plurality of bellows and a plurality of water cooling plates are formed integral connection structure through brazing, guarantee each water cooling plate has the deformability and the elastic displacement ability in vertical direction. Through bellows connection water cooling plate and front and rear water chamber, give the cold plate certain vertical floating capacity, can in the process of light module plug -in self -adaptation displacement, be convenient for light module plug -in, avoid structural interference.

The application discloses a hot oil abrasion test equipment for a rolling friction sleeve of an electronic disconnector, which comprises a tool seat, a tool frame and a main shaft shafting, the friction sleeve is detachably connected to the main shaft shafting, an oil bath heating box for placing the friction sleeve is arranged on the tool seat, a driving piece for driving the main shaft shafting to rotate is arranged on the tool frame, a secondary friction assembly for cooperating with the friction sleeve is arranged on the oil bath heating box, a loading structure for providing a controllable loading force to the secondary friction assembly and accurately detecting the micro-abrasion displacement of the secondary friction assembly is arranged on the tool frame, and an eccentric posture adjusting structure for adjusting the relative position and angle of the secondary friction assembly is arranged on the oil bath heating box. The application solves the problem that the prior art lacks a special test equipment for the rolling friction sleeve of the electronic disconnector of a new energy vehicle, so that the high-temperature hot oil lubrication, rotating operation, controllable load and eccentric posture multi-parameter coupling working conditions of the real work cannot be reproduced synchronously.

The invention provides an elevator structure capable of conveniently transporting super-long objects. The elevator structure comprises a shaft, a car frame arranged in the shaft in a lifting mode and a car arranged on the car frame in a turnover mode. A car door is arranged on one side of the lift car, a movable opening is formed in the bottom of the lift car and provided with a movable door plate capable of being opened and closed, the bottom of the lift car is further connected with a detachable supporting structure, and the supporting structure is located at the bottom of the movable door plate so as to support the movable door plate. The car frame is provided with a turnover mechanism used for driving the car to turn over. Reserved openings are formed in the positions, corresponding to at least two floors, of the shaft on the rear side shaft wall, and the reserved openings are used for providing overturning space for the lift car. The ultra-long objects can be directly fed into the lift car from the movable opening in the bottom of the lift car in the state tending to be horizontal, and interference with the landing door structure is avoided. The reserved opening is formed in the hoistway, the overturning space is provided for the lift car, the reserved opening can be only formed in part of floors, and the occupied building area is small.

The utility model provides a grass breaking device for a rotary cultivator, and relates to the technical field of rotary cultivators, the grass breaking device comprises a grass breaking device main body, a rotary cultivator cutter shaft and a rotary cultivator rack, the grass breaking device main body comprises a plurality of grass breaking combined cutter heads, a plurality of storage grooves are machined in the rotary cultivator cutter shaft, a plurality of assembly flange rings are machined on the outer wall of the rotary cultivator cutter shaft, and the rotary cultivator cutter shaft is arranged in the storage grooves. The two sides of the assembling flange ring are each provided with two rotary cultivator blades. Strip-shaped grooves are machined in the two cutting knife plates on the grass breaking combined knife head, and limiting pin rods are arranged in the strip-shaped grooves. According to the technical scheme, in the process that the rotary cultivator cutter shaft drives the multiple rotary cultivator blades to rotate, the weed cutting combined cutter head in the rotary cultivator cutter shaft slides in the containing groove under the influence of gravity, weeds can be cut off through cutting edges at the two ends of the cutting knife plate in the process that the weeds are wound around the outer portion of the rotary cultivator cutter shaft, and therefore the weeds can be cut off through the cutting edges at the two ends of the cutting knife plate. On the premise that the ploughing structure of an existing rotary cultivator is not changed, the grass breaking effect is guaranteed.