98results about How to "Simple mechanical structure" patented technology

The utility model relates to gas monitoring technical field, specifically disclose a kind of underground gas storage leak monitoring device, including box, air guide mechanism and gas detector;The air guide mechanism includes ventilating cylinder, fan blade and drive mechanism, and the ventilating cylinder includes fixed section and movable section;The drive mechanism is used to drive fan blade to rotate ventilation in ventilating cylinder and drive movable section to rotate around vertical shaft;Gas detector is arranged in the box and detects the gas in ventilating cylinder.The utility model drives ventilating cylinder to realize one hundred and eighty degrees reciprocating swing by drive mechanism, cooperates the fan blade negative pressure adsorption of air guide mechanism, compared with passive diffusion monitoring, significantly improve gas capture efficiency, shorten the leakage response time, and the detection range is expanded from single point to surface domain and direction.By worm simultaneously drive bevel gear set and worm wheel, only one power source can realize gas suction and direction adjustment, simplify mechanical structure, reduce the fault node, improve system operation reliability.

This invention discloses a drill pipe transport device, relating to the technical field of drill pipe storage devices. It includes a transport arm with a blocking part, a first transport section, and a second transport section. Both the first and second transport sections are capable of carrying and transporting drill pipes. The blocking part is used to prevent the drill pipe on the first transport section from being transported to the second transport section. A lever mechanism is movably connected to the transport arm and can move to either a first state or a second state. In the first state, the lever mechanism is hidden inside the transport arm. In the second state, the lever mechanism can extend out of the transport arm and lift the drill pipe from the first transport section to the second transport section. Therefore, this device can improve drill pipe transport efficiency and meet the need for rapid drill pipe transport.

The present application relates to the field of simulation test equipment, and discloses a test device suitable for uniform speed mining simulation of long working face of ultra-thin coal seam, comprising: a model box composed of multiple box walls and used for placing a test model; a mining mechanism used for being embedded in the test model and comprising upper and lower bearing plates arranged in parallel; the lower surface of the upper bearing plate is fixedly provided with an upper tooth plate, and the upper surface of the lower bearing plate is fixedly provided with a lower tooth plate; the upper tooth plate and the lower tooth plate are continuously toothed structures matched with each other and both have protruding teeth and lower grooves alternately distributed; and a limiting device acting between the upper tooth plate and the lower tooth plate and used for locking the upper tooth plate and the lower tooth plate at an initial supporting position. The present application adopts the staggered tooth plate structure, the initial supporting state is realized by the protruding teeth being abutted against each other, the height is determined by the tooth height only, and the limiting device is used for locking the upper tooth plate and the lower tooth plate at the initial supporting position, so that the initial thickness is not occupied, and the ultra-thin coal seam with extremely small thickness can be simulated.

A bifocal endoscope objective and endoscope, relating to the field of optical technology, includes a first lens with negative optical power, a second lens with positive optical power, a third lens with positive optical power and movable along the optical axis from the object side to the image side, a fourth lens with positive optical power, a fifth lens with negative optical power, and a sixth lens with negative optical power, arranged sequentially along the optical axis from the object side to the image side. The objective has a total optical length ≤ 6.8 mm and a full field of view ≥ 160°. The third lens is configured to change the air gap between the third lens and the second and fourth lenses by moving it along the optical axis to a first axial position or a second axial position, respectively corresponding to a long-distance observation mode and a short-distance observation mode, while maintaining a constant total optical length during the switching process. This objective achieves stable bifocal switching with a constant total optical length during the switching process in an extremely compact structure.

The utility model discloses a novel push wheel linkage feeding mechanism belongs to the technical field of automation equipment, including fixed plate, feeding box, rotary feeding unit, X axis feeding unit, Y axis feeding unit and push unit, and fixed plate horizontal arrangement is installed in the top of fixed plate, and rotary feeding unit is installed in the top of fixed plate, and sets up at the back of feeding box, and X axis feeding unit is installed in the top of fixed plate, and Y axis feeding unit is installed in the top of fixed plate, and sets up at the front of feeding box, and push unit is installed in the top of fixed plate, and sets up at the front of rotary feeding unit. The utility model discloses through the innovation mechanical linkage and sensing control, realized low -cost, high -efficient, high reliability's automation feeding, especially applicable to the quick sorting and the turning scene of small -size material, and the power manufacturing industry reduces the benefit of benefit.

The utility model provides a kind of drying device for shielding protective film production, it is related to shielding protective film production technical field, the drying device for shielding protective film production, including box, the box inside is provided with two groups of drying assembly of mutual rotation symmetry arrangement, the drying assembly includes the drying pipe rotationally connected on the inner wall of box, the guide roller of drying pipe peripheral circumference array distribution, the guide roller rotationally connected on the inner wall of box, the drying pipe side fixed communication has the linear array distribution of spray head, the box side is provided with the heating air supply component of the hot air delivery to drying pipe inside;The drying device for shielding protective film production, by the hot air spray pipe of rotation and the guide roller of peripheral circumference array distribution, hot air can evenly blow on the surface of protective film, realize efficient and uniform drying effect, effectively avoid the problem of local drying uneven, thus can effectively improve the practicality of the drying device for shielding protective film production.

This invention discloses a multifunctional laser cutting and engraving machine, belonging to the field of laser processing technology. The machine includes a main body, a three-axis motion mechanism, a controller, and a mounting platform detachably fitted with a CO2 laser engraving head and a fiber laser cutting head. The controller operates a multifunctional laser cutting and engraving system, including modules for multiphysics coupling calculation, Z-axis dynamic compensation, power adaptive correction, and switching timing control. This system can acquire data such as the series cooling temperature difference and the torsion angle of the dual-head asymmetric load to construct an interference model; dynamically compensate for the Z-axis focus based on dust shading rate and adaptively correct the effective output power; and calculate the optimal response delay time for mode switching based on air pressure and motion impact. This invention achieves intelligent switching between cutting and engraving within the same axis system, significantly improving the dual-head processing accuracy, power stability, and system response efficiency. It also includes a collection hopper for centralized treatment of waste and dust.

The application discloses a small shield machine pose detection device and method in curved pipe curtain construction, a one-dimensional workbench is initially at the highest point of a guide rail through the gravity of a heavy hammer, the guide rail is vertically installed on a jacking mechanism rack, and a long grating displacement sensor measures the vertical displacement coordinates of the one-dimensional workbench in real time. In the construction process, a cross joint measurement module passes through a pipe joint, a convex flange one end is connected with a concave flange at the tail of the shield machine, the concave flange one end is connected with a convex flange at the bottom of the one-dimensional workbench, two circular grating angle sensors and a circular grating reading head are arranged on the cross joint, the rotation angle measurement of two mutually perpendicular axes of the cross joint is realized, a Bluetooth wireless transmission module reads the rotation angles of each joint at the same time, and the rotation angles are transmitted to a computer, the computer collects each data every moment, the position coordinates of the top end of the shield machine relative to a reference coordinate system are obtained through calculation, and the pose of the shield machine is detected in real time.

The invention provides a hybrid drive robot joint and a working method, relates to the field of robots, and aims to solve the problems of joint return errors, system vibration and dynamic precision reduction caused by transmission backlash of a precision speed reducer in existing robot joint drive. The first motor and the main driving unit of the RV speed reducer are combined with the compensation unit of the torque motor, so that the output shaft is simultaneously subjected to the synergistic effect of hybrid driving, and the torque motor outputs real-time controllable reverse compensation torque, so that gears in the RV speed reducer are always kept in tight engagement, the transmission backlash is effectively eliminated, and the service life of the RV speed reducer is prolonged. Compared with a traditional mechanical pre-tightening method, the defect that the compensation effect is attenuated due to long-term operation is overcome, stability and effectiveness can be kept in the whole process through a compensation mechanism of a torque motor, the transmission precision and position consistency are improved, the rigidity and dynamic response performance of robot joints are improved, vibration and track disturbance in the movement process are reduced, and the reliability is improved. And the robot is more stable and reliable in performance when executing work such as precise assembly and high-precision positioning.

The utility model discloses a drive-by-wire rear axle assembly and an agricultural machine, and belongs to the technical field of agricultural machines. According to the drive-by-wire rear axle assembly and the agricultural machine, the positions of the parking driving end, the PTO driving end, the four-wheel driving end and / or the differential lock driving end are monitored in real time through the parking detection piece, the PTO detection piece, the four-wheel driving detection piece and / or the differential lock detection piece and fed back to the controller; an electric signal transmission control instruction is sent to the parking brake driving assembly, the PTO gear shifting driving assembly, the four-wheel-drive gear shifting driving assembly and / or the electric control differential lock driving assembly through the controller, a mechanical stop lever is omitted, drive-by-wire operation for generating electric signals through a button, a shifting finger and the like can be adopted for replacement, and the labor intensity of an agricultural machine operator is reduced. The drive-by-wire control provides an automatic operation interface, so that an automatic driving system and the like can be directly connected for unmanned control, and the reaction speed, the control precision and the stability of the rear axle assembly are improved on the basis of simplifying the mechanical structure.

The application discloses a kind of components with clamp, it is characterized in that, the component includes: motor;With the motor fixed connection and by the motor drive motor telescopic rod;Guide rod;Lifting platform, it is fixedly connected with the motor telescopic rod and the guide rod;And clamp.

This invention discloses a transformer lead fixing device with deformation self-compensation function, relating to the field of transformer technology. The invention includes a fixing plate fixed to the transformer housing, a lead fixing component, a deformation self-compensation mechanism, and a pin mechanism. The deformation self-compensation mechanism includes a clamping component fixed to the end of the lead and multiple stops disposed on the fixing plate. The clamping component has a multi-segmented bent elastic structure, and the stops have inclined abutment surfaces. The pin mechanism adjustably mounts the lead fixing component to the fixing plate. When the lead fixing component is driven to move closer to the transformer housing, the clamping component and the inclined abutment surfaces of the stops abut against each other, generating elastic deformation and achieving electrical contact between the clamping component and the terminal block. This invention, through the multi-segmented bent elastic structure of the clamping component and the unidirectional displacement adjustment of the pin mechanism, achieves adaptive compensation for deformation caused by thermal expansion and contraction and vibration, ensuring long-term stable electrical contact between the terminal block and the lead, and facilitating subsequent maintenance and adjustment.

The utility model provides a kind of machining center contact type mechanical tool changing structure, it is related to mechanical tool changing structure technical field, including stand mechanism, the front of the stand mechanism is equipped with main shaft box, the front of the stand mechanism is close to top end place, and punch arm mechanism is installed in the inside of main shaft box, the stand mechanism includes stand main body, the top end of the stand main body is equipped with motor with output end towards bottom, the front of the stand main body is close to top end place and is equipped with punch block, the inside of main shaft box is close to the front place and is equipped with main shaft body, the top end of the main shaft box is close to left side place and is screw-connected with first fastening screw, the periphery of the first fastening screw is equipped with tension spring, the top end of the main shaft box is close to the front place and is screw-connected with second fastening screw, mechanical quick tool changing can be realized, additional transmission device is not needed, with the advantages, such as quick tool changing efficiency, small size, cost saving.

The utility model discloses a servo motor device for positioning, clamping and deviation rectifying, which relates to the technical field of coiled material processing and comprises an unwinding coil, a deviation rectifying sensor and a fixing seat, a first servo motor and a second servo motor are fixedly mounted on two sides of the inside of the fixing seat respectively, and the first servo motor and the second servo motor are mounted on the two sides of the inside of the fixing seat respectively. Ball screws are fixedly installed at the output end of the first servo motor and the output end of the second servo motor correspondingly, a guide rail pair is fixedly installed in the fixing base, and a first clamping unit and a second clamping unit are slidably arranged on the two sides of the guide rail pair correspondingly; the surfaces of the two ball screws are in threaded connection with the first clamping unit and the second clamping unit correspondingly. The positioning, clamping and deviation rectifying functions are integrated by utilizing the high-precision characteristic of the servo motor, so that an independent deviation rectifying system in the prior art is omitted, and the cost of a set of deviation rectifying system is saved.

The invention discloses an internal insulation steel pipe special cable and a four-groove roller reducing mill thereof, and relates to the technical field of cables, the cable comprises a steel pipe layer and convex ribs integrally processed on the outer surface of the steel pipe layer; the reducing mill comprises a fixing ring; the rolling assembly is rotationally installed in the fixing ring, the rolling assembly comprises a rotating ring and four rollers distributed in the rotating ring in a surrounding mode, and a gap used for extruding a steel pipe layer of the cable to form a convex rib is formed between every two adjacent rollers; and the driving assembly is used for driving the rolling assembly to rotate in the fixing ring so as to form a convex rib which extends in the axial direction and is of a linear structure or a spiral structure on the surface of the cable. According to the invention, through the relation between the revolution speed of the roller and the advancing speed of the cable, the convex ribs with axial linear structures or the convex ribs with different leads and spiral structures can be flexibly processed, the torsional strength, the heat dissipation efficiency and the installation guidance quality of the special cable in different laying environments are improved, and the customization requirements of high-end markets are met.

The invention discloses a pipetting system for a cell parallel reactor. The pipetting system comprises a rack; the driving device is mounted on the rack; the pipetting device is mounted on the driving device and is driven by the driving device to move; the pipetting device comprises at least two groups of mutually independent pipetting assemblies and a liquid path control module communicated with each pipetting assembly; wherein the driving device is configured to be capable of driving the pipetting device to move in a horizontal plane and independently driving each pipetting assembly to do lifting motion; the liquid path control module is used for independently controlling the liquid absorbing and discharging operation of each liquid transferring assembly, so that each liquid transferring assembly independently or synchronously executes the liquid transferring work. According to the invention, pipetting operation can be independently or synchronously carried out on different targets, the operation flux in unit time is effectively improved, and the experiment requirements of high flux and real-time monitoring are met; the mechanical structure is simplified, the manufacturing cost is reduced, and the overall layout is optimized.

The application discloses a spring steel wire section shaping device, which comprises a workbench, a guiding assembly, a traction assembly and a shaping assembly which are sequentially arranged on the workbench, the traction assembly comprises two symmetrically arranged mounting racks, a mounting plate arranged on the mounting rack, an upper traction roller and a lower traction roller arranged on the mounting plate, the shaping assembly comprises two symmetrically arranged vertical racks, a vertical plate arranged on the vertical rack, an upper shaping roller and a lower shaping roller arranged on the vertical plate, and a driving device for synchronously driving the upper traction roller, the lower traction roller, the upper shaping roller and the lower shaping roller to synchronously rotate is arranged between the traction assembly and the shaping assembly. The device has the following beneficial effects: the spring steel wire is subjected to uniform pressure in the whole processing process through accurate control of traction force and shaping pressure, thereby ensuring the consistency of the diameter and the accuracy of the section shape of the spring steel wire, and effectively solving the problem of local fracture caused by large diameter difference.

The application relates to a ghost-free variable divergence angle laser beam expanding system and a parameter confirmation method and application thereof, and belongs to the technical field of laser optics. The system comprises a first negative focal length lens, a positive focal length lens and a second negative focal length lens along an optical axis in sequence. The core of the application is that only by precisely translating the single positive lens (the stroke is 0-30mm) can the output laser divergence angle be continuously and monotonously adjusted in the range of 1 times to 50 times. The optical system is designed, ghost foci generated in the whole adjustment process of laser are completely eliminated, the problem of optical element damage caused by ghost focusing of high peak power laser is fundamentally avoided, and the beam quality and system safety are ensured. The system is simple in structure, linear in control and high in reliability, has been successfully applied to the fields of space laser communication and the like, and has undergone long-term on-orbit working verification.

A radial material screening device and method are disclosed, relating to the technical field of material screening devices. The device includes a primary screening mechanism, a secondary screening mechanism, a screening channel, and a screening aperture control unit. The secondary screening mechanism includes a wheel-type sieve aperture inner diameter control unit, which is equipped with an elastic mimicry insert. The method includes screening out waste materials exceeding the upper and lower limits, and directionally dropping materials that meet the specified dimensions. This invention effectively solves the problem of poor adaptability of existing radial screening devices, which cannot be matched with automated production lines and affect subsequent processes. Through this invention, radial screening of materials can be achieved, removing waste materials exceeding the upper and lower limits, ensuring that the screened materials are fully free of impurities. Therefore, it will not interfere with subsequent automated production lines and can greatly improve the working efficiency of the entire production line.

The utility model relates to a kind of five-axis linkage measuring device, including base, X-axis linear motor, Y-axis linear motor, custom Z-axis linear motor, A-axis rotary motor, C-axis rotary motor and product fixture platform;X-axis linear motor is located on base, Y-axis linear motor is located on X-axis slider, custom Z-axis is located on Y-axis slider, A-axis, C-axis are located on Z-axis output end, and product fixture platform is located on C-axis;Z-axis satisfies precision≤2.5um, stroke 150mm and has power-off protection.Measurement, reference element is not moved, product is moved with five-axis collaborative interpolation motion, realizes large area, four around arbitrary point and R angle / arc surface oblique angle measurement.The utility model solves the problem that existing equipment structure redundancy, flexibility is low, cannot measure large area and oblique angle, with the advantages of simple structure, high flexibility, high precision, low cost, easy maintenance, can be used as laboratory standard measurement equipment.

This utility model discloses an anti-rotation structure and its oil-free scroll compressor, comprising: a moving disc, on the outer circumferential side of which are at least three first protrusions; a housing, on the side of which adjacent to the moving disc are at least three second protrusions corresponding one-to-one with the first protrusions; and a flange eccentric sleeve connected to a first bearing installed in the second protrusions, wherein a cylindrical pin extending into the flange eccentric sleeve is installed in the first protrusion. This utility model has a simple structure. By changing the large clearance fit between the cylindrical pin and the ring sleeve to a small clearance fit between the cylindrical pin and the flange eccentric sleeve, the fit clearance is effectively reduced, significantly lowering the impact noise between the cylindrical pin and the mating parts. The small clearance fit enhances the stability of the moving pair, suppresses the overturning phenomenon of the moving disc caused by the large clearance, and improves the smoothness and reliability of the compressor operation. It combines the advantages of the pin sleeve anti-rotation structure and the three-crank structure.

The utility model discloses a clamping mechanism and a monitoring device for a hydropower station, which relate to the technical field of hydropower station equipment inspection and comprise a fixing unit and a supporting unit. The clamping mechanism has the beneficial effects that the clamping mechanism adopts a motor-driven gear rack transmission and clamping jaw structure, and can automatically adapt to monitoring parts with various shapes and sizes, so that the operation precision and stability are improved. The system is compact in structure, easy and convenient to maintain and high in expansibility and adaptability, meets diversified monitoring requirements, remarkably reduces manual inspection dependence and saves labor cost. The rotatable moving unit enables the monitoring device to flexibly adapt to layout change of hydropower station equipment or newly-added monitoring point requirements, complex reinstallation or wiring adjustment is not needed, rapid deployment and adjustment are achieved, and the flexibility of the monitoring system is improved. The integrated mobile unit integrates the monitoring equipment in the box body, so that external wiring is reduced, installation is simplified, and maintenance cost and difficulty are reduced.

The application provides a profile automatic feeding and discharging control method, a feeding trolley is moved to clamp a first profile located at a first roller table station, and the first profile is dragged along a feeding roller table until the first profile is completely dragged onto the feeding roller table; after the first profile is cut, a roller bracket is moved to align a second roller table station with a discharging port of a cutting mechanism, and meanwhile, the first roller table station is away from the discharging port of the cutting mechanism; the feeding trolley is moved to clamp a second profile on the second roller table station, and the second profile is dragged along the feeding roller table until the second profile is completely dragged onto the feeding roller table; and during the cutting of the second profile, the first workpiece on the first roller table station of the roller bracket and the remaining first profile excess material are cleaned. The automatic feeding and discharging are realized at the same position, the mechanical structure is greatly simplified, the equipment manufacturing cost is reduced, and the profile cutting efficiency is improved.

This application provides a beverage device, relating to the field of beverage device technology. The beverage device includes a base, a brewer, a first drive assembly, and a trigger. The brewer is movably mounted on the base and includes an upward-opening brewing chamber and a first brewing element. The first brewing element is vertically connected to the brewing chamber, and its top has a filling area for filling. The first drive assembly is mounted on the brewer and is drively connected to the first brewing element, driving the first brewing element to move vertically. The trigger is driven by the first drive assembly during the movement of the brewer, and during a portion of the brewer's stroke, the trigger can drive the first brewing element vertically towards the opening of the brewing chamber via the first drive assembly to remove waste material located within the brewing chamber. This beverage device has a simple structure and can solve the problems of complex structure and high manufacturing cost of coffee machines in related technologies.

This utility model discloses a detection device for negative electrode cap damage using a line scan camera, comprising a base, a stand, a line scan camera, and a surface light source body. The lower end of the stand is slidably and adjustablely connected to the base. The line scan camera is slidably connected to the stand via a camera frame, and the surface light source body is slidably connected to the stand via a light source frame. The line scan camera is positioned below the surface light source body. The light source body and the line scan camera are arranged parallel to each other, resulting in a simple mechanical structure that facilitates adjustment of the positions of the light source and camera. This device is universally applicable to the detection of negative electrode caps of different models and sizes. The tilted shooting method of the line scan camera improves the imaging effect of negative electrode cap damage and increases the detection rate of negative electrode cap damage. The tilted lighting of the surface light source body ensures uniform illumination in the imaging.

The utility model discloses a coal bunker dredging electric control device, which relates to the technical field of coal bunker dredging, and comprises an air inlet ball valve, an air inlet connecting piece, an air storage tank, a base and a motor, the air storage tank and the motor are respectively and fixedly arranged on the base, a sounder is communicated between the motor and the air storage tank, the sounder is communicated with a taper pipe, and the taper pipe is communicated with the air inlet ball valve. A Helmholtz resonant cavity is formed in the end, away from the sounder, of the taper pipe and communicates with the coal bunker. The sound generator is driven by the motor to generate sound waves with specific frequency, the sound waves act on blockages in the coal bunker through the taper pipe and the Helmholtz resonant cavity, the blockages are loosened and fall off by utilizing the vibration energy of the sound waves, and compared with a mechanical dredging means, the large-area arching problem can be solved, and the dredging effect is more remarkable.

This invention discloses a self-rotating, attitude-adjustable forage-pushing robot, relating to the field of intelligent livestock farming technology. It includes a robot body and a pushing roller disposed outside the robot body. The robot body includes a chassis with a walking mechanism, a rotary motor fixed to the chassis, a drive shaft connected to the output shaft of the rotary motor, and a pushing roller support fixed to the end of the drive shaft away from the rotary motor. The pushing roller is sleeved on the outer circumference of the pushing roller support. A lifting mechanism is also provided between the chassis and the pushing roller support to drive the pushing roller support away from / towards the chassis. This invention's pushing robot combines the rotation and lifting functions of the pushing roller through a ratchet mechanism, resulting in better pushing performance and a lower failure rate.

The present application relates to a kind of circular tunnel modal test methods crossing non-uniform soil body, the non-uniform soil counterforce equivalent simulation device used includes, the cross section module group of multiple cross section modules, test piece and fixed frame and base track.The zero stiffness composite spring includes metal spiral spring, rubber, spring top end cover, spring fixed screw rod, spring bottom end cover, bottom screw rod, contact plate and displacement-shaft force sensor, steps are as follows: design data arrangement: determine the geometric parameters of circular tunnel, material parameters and soil parameters, determine test scale ratio and the geometric size and discrete length of structure model;Test piece processing;Strain gauge positioning installation;Soil spring parameter calculation;Zero stiffness composite spring debugging;Cross section module assembly;Cross section module group installation;Test piece installation;Sensor debugging;Loading and testing: data acquisition analysis.

This invention relates to the field of solid waste cementitious material preparation technology, specifically to a rapid-setting and hardening cementitious material based on calcium aluminoferrite from all solid waste and its preparation method, comprising the following steps: S1. Mixing and stirring modified red mud, carbide slag, mineral powder, and modified mineralizer evenly, and then pressing into shape; S2. Performing a first-stage calcination, calcining from room temperature to 950-1000℃, and then performing a second-stage calcination to 1220-1300℃ and holding at that temperature for 30-120 minutes, and cooling to room temperature to obtain modified mineral phase clinker; S3. Passing through a 200-mesh square hole sieve, mixing with modified multi-element solid waste mineral materials in a mixer, and stirring evenly to obtain the rapid-setting and hardening cementitious material based on calcium aluminoferrite from all solid waste. This invention significantly reduces the calcination temperature of clinker through the synergistic effect of various raw materials, thereby greatly reducing energy consumption and carbon emissions. The complex ionic reaction mechanism and the complementary physicochemical properties of multi-component solid waste enrich the diversity of hydration products and the density of the gel structure, thus ultimately achieving the excellent performance of "fast setting, fast hardening, and high strength" of the all-solid waste cementitious material.