35results about How to "Flexible and stable movement" patented technology

The invention discloses an electromagnetically-driven spherical robot. The electromagnetically-driven spherical robot is characterized in that the spherical robot comprises a spherical case, and magnets uniformly and annularly arranged at the vertical middle positions on the inner wall of the spherical case, wherein adjacent magnets have opposite pole directions; a main shaft is transversely arranged in the spherical case in a rotary manner, and is fixedly connected with a bracket; at least one group of electromagnetic coils are disposed on the bracket; and each electromagnetic coil group includes two pairs of electromagnetic coils arranged symmetrically relative to the main shaft. The magnetic core of the electromagnetic coils can be controlled to attract and repel the magnets on the inner wall of the spherical case by controlling the polarity of the two electromagnetic coils to change alternately, so that the bracket can be driven to rotate around the main shaft; therefore, the spherical robot can move forwards and backwards based on the electromagnetic stepping principle. Compared with the conventional spherical robot, the electromagnetically-driven spherical robot has the advantages of simple and reliable structure, stable and flexible movement, and high controllability. Meanwhile, the driving manner of the spherical robot is simplified greatly in comparison with the existing spherical robot, thereby improving the utilization rate of the inner space of the spherical robot. Spherical robots with different dimensions can be manufactured according to different purposes, thereby enhancing the bearing capacity of the spherical robot, and facilitating the generation of serial products.

The invention belongs to the field of electromechanical technique, and relates to a spherical moving robot, and in particular relates to a fluid driving spherical robot which comprises a spherical shell, an annular seal container, axial flow devices, an inner driving rotating mechanism and a main shaft. The fluid driving spherical robot is characterized in that the spherical shell consists of two hemispherical shells including a left hemispherical shell and a right hemispherical shell; the annular seal container is positioned in the spherical surface; the outer annular surface of the container is concentric with the spherical surface of the spherical shell; the container is filled with fluid; the volume of the fluid is half of the volume of the container; two axial flow devices are symmetrically installed in the annular seal container; the axial flow devices drive a liquid to flow in the annular seal container, thus the mass center of the spherical robot is changed, thus the spherical robot can move forwards and backwards; the inner driving rotating mechanism positioned in the spherical shell mainly comprises an inner driving bracket, a motor, a motor support, a flywheel shaft, a flywheel, an electricity supply power supply and a controller; the main shaft is fixedly connected with the inner driving bracket through the motor support; the fly wheel is installed on the inner driving bracket through a bearing; the motor shaft is connected with the fly wheel through a coupling; and the motor drives the lower part of the motor to rotate together with the flywheel shaft vertical to the main shaft and the fly wheel, and the spherical robot takes a turn under the driving of the fluid on the basis of an angular momentum conservation principle.

The invention provides a pipeline inspection robot system based on the visual technology. The system includes a pipeline inspection robot body and a monitoring and detection system; the monitoring and detection system is composed of an upper computer monitoring system, a detection module, a slave computer unit, a motor drive module, a communication module and a power module; a spiral-drive mechanism with a high-strength spring wall-pressing device can make a robot stably and flexibly walk in pipelines which can be obliquely arranged or vertically arranged or small in diameter change; remote monitoring and control can be achieved; a processing mode which includes cylinder unwrapping, color space conversion and image segmentation and a processing algorithm in which partitioning is combined with Otsu and K-means are adopted, the processing speed is higher, operation is flexible and stable, and detection of the inside of the pipelines which detection personnel can not enter can be completed.

The invention relates to the field of a mobile phone detection device and especially relates to a mobile phone screen detection device. The mobile phone screen detection device comprises a first guide rail and a second guide rail, which are arranged vertically. The first guide rail is equipped with a first driving mechanism for driving the first guide rail to move along the second guide rail; the first guide rail is provided with a base and a second driving mechanism for driving the base to move along the first guide rail; the base is equipped with a touch screen mechanism and a third driving mechanism for driving the touch screen mechanism to move up and down; the touch screen mechanism is provided with an adjusting member for adjusting force applied to the touch screen mechanism; and a fixation mechanism for installing a mobile phone is arranged under the touch screen mechanism. The beneficial effects are that the mobile phone screen detection device is simple in structure and flexible and stable to move; through the two guide rails, omni-directional movement of the detection device is realized, so that click and scribing detection of different positions of the mobile phone is realized, and detection efficiency is high; and through arrangement of the adjusting member, click and scribing strength on the mobile phone screen can be adjusted conveniently, thereby meeting a plurality of test requirements.

The invention provides a workpiece pressing device and a drill press workbench with the same, belongs to the technical field of operation, and solves the problem that the existing pressing device cannot meet requirements of pressing large workpieces. The workpiece pressing device comprises an oil cylinder, a guide rail assembly, a pressing arm, compression blocks and connection plates. The compression blocks and the connection plates are located on two sides of the pressing arm respectively and are fixedly connected with each other. Guide rails of the guide rail assembly are fixedly connected with pressing arm. A cylinder body of the oil cylinder is fixedly connected with the connection plates. All sliding blocks of the guide rail assembly are connected with the connection plates. The guide rail assembly is used for guiding when the oil cylinder is moved so that the workpiece pressing device has the advantages of being stable and flexible in motion. When the workpiece pressing device is used for pressing workpieces, the compression blocks butt against the pressing arm to bear the reactive force, and damage of the guide rail assembly caused by overlarge stress on the guide rail assembly can be avoided. In shorts, the workpiece pressing device can improve the maximum workpiece pressure exerting value and can be provided with the guide rail assembly with low bearing capacity.

The invention discloses a washing machine operation panel. The washing machine operation panel comprises a panel body, a display panel and buttons, the display panel comprises a main light-transmitting part and a plurality of button installation grooves formed in the edge of the main light-transmitting part, the outer side wall surface of the panel body is provided with a subsidence platform used for installing the display panel, the subsidence platform is provided with a plurality of light-transmitting holes and a linkage part used for controlling a corresponding switch on a PCB, the surface of one side of the subsidence platform is provided with thin transparent paster sealing the light-transmitting holes, a seal ring is further arranged between the display panel and the subsidence platform, and the seal ring surrounds the edge of the surface of the inner side of the main light-transmitting part. According to the scheme, the structure is more concise, the display effect is optimized, assembly is more convenient, and a water mist environment is prevented from being formed. The invention further discloses a washing machine utilizing the washing machine operation panel.

The invention relates to a locust-like hopping robot with leg linking and buffering characteristics. The locust-like hopping robot comprises a rack mechanism, wherein a gear driving mechanism as well as a hind leg hopping link mechanism, a front middle leg buffer link mechanism, a section incomplete gear force transferring mechanism and a cam force transferring mechanism which are connected with the gear driving mechanism are arranged on the rack. According to the locust-like hopping robot disclosed by the invention, linking between hind legs and front middle legs can be realized by combining the section incomplete gear driving mechanism with the cam force transferring mechanism, that is, the gear driving mechanism drives the front middle legs and the hind legs to do linking movement at the same tiime; in addition, the front legs are controlled by using the section incomplete gear force transferring mechanism according to the requirements, and the hind legs are controlled by using the cam force transferring mechanism.

The invention relates to a double-fluid-ring drive omnibearing spherical robot, which comprises a spherical shell, at least one annular sealing container, at least one axial flow device, a hemispherical clutching mechanism and a lead screw shaft. The double-fluid drive omnibearing spherical robot is characterized in that the spherical shell consists of a left hemispherical shell and a right hemispherical shell, the annular sealing containers are arranged in each hemispherical shell, the outer annular surfaces and spherical shell surfaces of the annular sealing containers are coaxial with the lead screw, fluid is filled into the annular sealing containers, fluid volume is one second of the volume of each annular sealing container, the axial flow devices are mounted inside the annular sealing containers and drive fluid to flow in the annular sealing containers, and accordingly center of mass of each hemisphere of the spherical robot is changed. The hemispherical clutching mechanism in the hemispherical shell mainly comprises a left clutching part, a center clutching part, a right clutching part, a steering engine part and the like. By controlling the centers of mass and the direction of the left hemisphere and the right hemisphere, omnibearing rolling of the spherical robot can be realized.

The invention relates to a double-ring clutch type electromagnetic-drive spherical robot, which comprises a left hemispherical shell, a hemispherical clutching mechanism, a right hemispherical shell, a lead screw shaft, a coupler, a speed reducer, a motor, bearing seat fixing screws, electromagnetic drive parts, magnetic steel rings, permanent magnetic steel pieces, a left bearing seat, a right bearing seat and rubber pads and the like. The left hemispherical shell and the right hemispherical shell form a spherical shell, one or more magnetic rings are arranged in each hemispherical shell, the magnetic steel rings and the spherical surface of the spherical shell are coaxial on the lead screw shaft, the permanent magnetic steel pieces are uniformly disposed on the magnetic steel rings, N-electrodes of two adjacent permanent magnetic steel pieces are opposite in direction, the electromagnetic drive parts mainly includes electromagnetic cores, electromagnetic coils, a control module, a power supply, a supporting plate, a plurality of infrared tubes and supporting wheels, the supporting plate is processed to be arc-shaped and concentric with the magnetic steel rings, and the infrared tubes are mounted on two sides of the supporting plate respectively. The spherical robot can progress and retreat according to the principle of electromagnetic stepping, is simple and reliable in structure, stable and flexible in motion and high in controllability when compared with conventional robots.

The invention discloses a flexible dexterous hand driven by piezoelectricity. The flexible dexterous hand driven by the piezoelectricity comprises a supporting platform body, three identical flexiblefingers, flexible connecting pieces, piezoelectric ceramic blocks and end actuators. The supporting platform body is regular polyhedron. The flexible fingers are evenly arranged on the outer side faces of the supporting platform body. The included angle between the adjacent flexible fingers is 120 degrees. The flexible fingers comprise front fingers and rear fingers, and the front fingers are connected with the rear fingers through the flexible connecting pieces. The piezoelectric ceramic blocks are bonded on the outer surfaces of the front fingers and rear fingers. The end actuators are installed at the tail ends of the front fingers. By controlling the magnitude and direction of the voltage applied to the two ends of the piezoelectric ceramic blocks, the piezoelectric ceramic blocks aredeformed accordingly, and the front fingers and rear fingers are driven to bend left or right. The end actuators are driven to grasp tiny electronic components flexibly and steadily in the micro-assembly and micro-operation of a micro-electromechanical system. Therefore, the flexible dexterous hand driven by the piezoelectricity has the advantages of simple structure, flexible movement and high grasping stability.

The invention discloses an amphibious undulating-fin robot with a composite power generation function. According to the amphibious undulating-fin robot, an undulating-fin main body module is arranged in an undulating-fin outer shell, and the undulating-fin main body module is connected with undulating fins arranged on two sides of the undulating-fin outer shell through undulating piezoelectric material power generation modules on fin surfaces; the fin surface of each undulating fin swings in a sine-wave-like form; a solar power generation module is arranged on the surface of the undulating-fin outer shell and connected with the undulating-fin main body module; when the fin faces of the undulating fins moves, the piezoelectric material power generation devices move along with the fin surfaces to generate deformation, so power generation of the piezoelectric material power generation devices is achieved; and when the undulating fins are located on a water surface or in a land environment with sun irradiation, a solar power generation device starts to generate power, and a storage battery module provides electric energy for the whole amphibious undulating-fin robot system. According to the amphibious undulating-fin robot, the self power generation function of the amphibious undulating-fin robot is achieved, and the problem that task execution capacity and activity range are limited due to insufficient cruising ability of the amphibious robot is solved.

The invention belongs to the field of electromechanical technology, and relates to a spherical mobile robot, in particular, to a fluid-driven spherical robot, which includes a spherical shell, an annular sealed container, an axial flow device, an internal drive rotation mechanism, and a main shaft; it is characterized in that: the spherical shell is composed of The left and right hemispherical shells are composed of two hemispherical shells; the annular sealed container is located inside the spherical shell, the outer ring surface of the container is concentric with the spherical surface of the spherical shell, and the fluid is contained inside the container, and the volume of the fluid is 1 / 2 of the volume of the container. The axial flow device drives the liquid to flow in the annular sealed container, thereby changing the center of mass of the spherical robot, thereby realizing the forward and backward of the spherical robot; the internal drive rotation mechanism located inside the spherical shell mainly includes: internal drive bracket, motor, Motor bracket, flywheel shaft, flywheel, power supply and controller, etc.; the main shaft is connected to the spherical shell through bearings, other parts of the internal drive rotation mechanism are suspended on the main shaft through the internal drive bracket, and the motor is fixed to the internal drive bracket through the motor bracket Connection, the flywheel is installed on the internal drive bracket through the bearing, the motor shaft and the flywheel are connected through the coupling, the motor drives the flywheel shaft and the flywheel whose lower part is perpendicular to the main shaft to rotate together, and realizes the steering of the fluid-driven spherical robot by using the principle of conservation of angular momentum .

The invention discloses a communication antenna phase and amplitude tester, which comprises a rack, a first movement mechanism, a second movement mechanism, a tester and a controller, wherein the top part of the rack is provided with a soleplate, and a positioning mechanism is arranged on the soleplate; the first movement mechanism comprises a first screw rod arranged in the middle of the rack and parallel to a front and back direction, a first screw nut and a first motor, and a first support is fixed on the first screw nut; the second movement mechanism comprises a second screw rod arranged on the first support and parallel to a front and back direction, a second screw nut and a second motor, and the tail part of a cantilever is fixed on the second screw nut, and the head part is wound across the soleplate and extends above the soleplate; the tester is arranged at the head part of the cantilever; and the controller is used for controlling actions of the first motor and the second motor and receiving and processing test results of the tester. According to the tester of the invention, movement is steady, positioning is accurate, the test efficiency can be effectively improved, interference on the tester and the antenna by metal material can be effectively reduced, and accuracy of the test result is improved.

The invention relates to the technical field of shield tunneling equipment, in particular to a trackless traveling type full-section maintenance platform frame for a shield tunnel. The trackless traveling type full-section maintenance platform frame is characterized by comprising a portal frame body, a main platform is arranged at the top of the portal frame body, and extension platforms are arranged on two sides of the main platform respectively; wheel sets are arranged at the bottom of the portal frame body, the portal frame body is supported in the shield tunnel through the wheel sets and can be pushed to move on a pipe section surface of the shield tunnel, and vertical fixation of the portal frame body in the shield tunnel is realized by braking of the wheel sets; transverse supporting rods are arranged on outer sides of the extension platforms, and horizontal limiting of the portal frame body in the shield tunnel is realized by the transverse supporting rods abutted against the pipe section surface of the shield tunnel. The trackless traveling type full-section maintenance platform frame has advantages of simple structure, low dead weight, convenience in demounting, high stability, high safety and suitableness for popularization.

The invention relates to a movable hood flushing filter tank. The movable hood flushing filter tank is provided with a filter tank body, a frame is arranged on the filter tank body, a driving device is arranged on the frame and drives a rotating shaft to rotate, a ballasting water tank is arranged under the frame, a drainage funnel is arranged under the ballasting water tank, a drainage channel is arranged under the drainage funnel, a travelling vehicle is arranged on the filter tank body, a buoyancy tank is arranged in the middle of the rotating shaft, a hood body is arranged under the buoyancy tank, a porous water collecting plate is arranged under the hood body, and a water jetting pump is arranged at the lower end of the rotating shaft. The movable hood flushing filter tank is convenient to use as well as maintain and repair, has the properties of simplicity, flexibility and stability in actions, strong periodicity, reliability in working, good sealing effect, little abrasion, long service life, short construction cycle, low maintaining and repairing workload and low manufacturing cost, can obviously improve the production capacity, can save a great amount of capital investment, and is simple to manage.

The invention provides an active bending system of an anastomat, and belongs to the technical field of medical equipment. The active bending system of the anastomat comprises a nail abutting seat, a steering pull rod, an inner sleeve, a sleeve connector, an outer sleeve, a connecting piece, a steering control seat, a steering conversion seat, a steering connecting rod and a cutting mechanism, and is characterized in that the inner sleeve is arranged in the outer sleeve, for limiting other parts; the steering pull rod is connected to the right side of the inner sleeve and used for connecting the inner sleeve and the gun body inner assembly; the steering conversion seat is movably hinged in the steering pull rod and is used for pushing or pulling back the steering pull rod to move left and right; the steering connecting rod is arranged on the steering conversion seat and is used for connecting the steering power element of the gun body with the steering conversion seat and providing power for the turning function of the instrument. The steering system can realize fixed-angle turning or any-angle turning according to different structures or transmission systems of the gun body, can be flexibly adjusted, and can effectively improve the convenience, the flexibility and the stability of an operator.

The invention relates to a crawler-type conveying device for field power equipment. The device comprises a vehicle body unit, a rotary driving assembly, a bottom plate, a first supporting assembly, asecond supporting assembly, a supporting frame and a gripper assembly. The vehicle body unit comprises a vehicle frame, a storage battery, a vehicle body installation frame, a vehicle body solar paneland walking assemblies. The frame is an internal truss structure, the walking assemblies are arranged at the two sides of the frame, the rotary driving assembly is mounted on the frame through a turntable bearing; the bottom plate is installed on the turntable bearing, the first supporting assembly and the second supporting assembly are arranged at the first end and the second end of the bottom plate respectively, the first supporting assembly and the second supporting assembly are rotationally connected with the first end and the middle portion of the supporting frame respectively, and the gripper assembly is arranged at the second end of the supporting frame. By the adoption of the crawler-type design, the conveying device has good maneuvering cross-country transportation performance inthe field, is convenient to move and carry at any time, moves flexibly and stably, and has the advantages of being simple in structure, high in operability and the like.

The invention relates to a locust-like hopping robot with leg linking and buffering characteristics. The locust-like hopping robot comprises a rack mechanism, wherein a gear driving mechanism as well as a hind leg hopping link mechanism, a front middle leg buffer link mechanism, a section incomplete gear force transferring mechanism and a cam force transferring mechanism which are connected with the gear driving mechanism are arranged on the rack. According to the locust-like hopping robot disclosed by the invention, linking between hind legs and front middle legs can be realized by combining the section incomplete gear driving mechanism with the cam force transferring mechanism, that is, the gear driving mechanism drives the front middle legs and the hind legs to do linking movement at the same tiime; in addition, the front legs are controlled by using the section incomplete gear force transferring mechanism according to the requirements, and the hind legs are controlled by using the cam force transferring mechanism.

The invention belongs to the field of building design, aims at beautifying a fire-fighting climbing site, and particularly relates to a landscape beautifying device for the fire-fighting climbing site. The landscape beautifying device comprises a foundation pit and dragging pits symmetrically distributed on the two sides of the foundation pit, and further comprises a beautifying landscape arranged in the foundation pit, a trestle covering the beautifying landscape, a protection plate covering the trestle, overhauling plates fixed to pit openings of the dragging pits, winding machines installed in the dragging pits, traction ropes arranged between the protection plate and the winding machines, and threading grooves formed in the overhauling plates; and one end of each traction rope is fixed to a winding roller of the corresponding winding machine. According to the landscape beautifying device, at ordinary times, residents can walk and move on the surface of the trestle and can observe the beautifying landscape in the foundation pit through the trestle; and when a fire disaster happens, the protection plate is dragged to the surface of the trestle through the winding machines, a fire fighting truck can normally run, and therefore the fire-fighting climbing site is beautified, and normal use of fire fighting is met.

The invention discloses a washing machine operation panel. The washing machine operation panel comprises a panel body, a display panel and buttons, the display panel comprises a main light-transmitting part and a plurality of button installation grooves formed in the edge of the main light-transmitting part, the outer side wall surface of the panel body is provided with a subsidence platform used for installing the display panel, the subsidence platform is provided with a plurality of light-transmitting holes and a linkage part used for controlling a corresponding switch on a PCB, the surface of one side of the subsidence platform is provided with thin transparent paster sealing the light-transmitting holes, a seal ring is further arranged between the display panel and the subsidence platform, and the seal ring surrounds the edge of the surface of the inner side of the main light-transmitting part. According to the scheme, the structure is more concise, the display effect is optimized, assembly is more convenient, and a water mist environment is prevented from being formed. The invention further discloses a washing machine utilizing the washing machine operation panel.

The invention discloses an electromagnetism internal-driving-type spherical robot. The electromagnetism internal-driving-type spherical robot comprises an external elastic spherical shell, an internal rigid spherical shell, six connecting supporting rods, an iron ball and four electromagnet devices. The electromagnetism internal-driving-type spherical robot is characterized in that the external elastic spherical shell and the internal rigid spherical shell are respectively formed by connecting two hemispherical shells, the connecting supporting rods are used for connecting the external elastic spherical shell with the internal rigid spherical shell, the iron ball is freely placed in the internal rigid spherical shell, the electromagnet devices are fixedly installed on the inner surface of the external elastic spherical shell, the mass center of the robot is changed by controlling the electromagnet devices to attract the iron ball, and the robot can move under the drive of the gravity. Compared with a traditional spherical robot, the electromagnetism internal-driving-type spherical robot is simple and reliable in structure, stable and flexible in movement and high in controllability. Meanwhile, compared with the existing spherical robot, the driving mode of the electromagnetism internal-driving-type spherical robot is greatly simplified, the small-scale design is facilitated, serialization is easy to form, and the electromagnetism internal-driving-type spherical robot has the wide application prospect.

The invention discloses a high-resistance anti-collision barrier intercepting device. The device comprises an anti-collision sliding door (1), a driving motor (2), and a guide rail (3) fixed on the ground; multiple directional wheels (4) are rotationally arranged at the bottom of the anti-collision sliding door (1); the bottom of the anti-collision sliding door (1) and the guide rail (3) form a horizontal moving pair; and the driving motor (2) is used for driving the anti-collision sliding door (1) to move in the length direction of the guide rail (3). The device has the following beneficial effects: the anti-collision sliding door is high in moving speed and flexible and stable in movement; and the device is simple in structure and convenient to use.

The invention discloses a mobile platform with omnidirectional distance measuring function and a distance measuring method thereof. The mobile platform comprises: an epoxy resin board is arranged on the bottom layer, and a first layer of aluminum board and a second layer of aluminum board are sequentially arranged above the epoxy resin board. , the bottom of the epoxy resin board is provided with supporting wheels and driving wheels; the power module is arranged on the epoxy resin board, and the control module, phase detector module and driving module are arranged on the first layer of aluminum board; the ultrasonic module and the radio frequency module are arranged on the second layer The two-layer aluminum plate; with the control module as the center, the phase detection module and the drive module complete the movement function of the mobile platform; the ultrasonic module and the radio frequency module complete the distance measurement function of the mobile platform. The ranging method includes: after the mobile platforms A and B confirm the ranging information, the mobile platform A sends out an ultrasonic signal and starts timing, stops the timing after receiving the ultrasonic signal from the mobile platform B, and measures the ranging distance. The invention avoids the requirement of time synchronization for distance measurement, and improves the accuracy and real-time performance of distance measurement.

The invention relates to a filtration tank with a flushing cover. The filtration tank with the flushing cover comprises a filtration tank body, wherein a filtration bed is arranged at the bottom of the filtration tank body; a support layer is arranged at the lower end of the filtration bed; a triangular lapped water distribution plate is arranged at the lower end of the support layer; a water collection area is arranged under the triangular lapped water distribution plate; a cover body is arranged at the upper end of the water collection area; a washing siphon pipe is arranged on the cover body; a water seal cylinder is arranged at the lower end of the washing siphon pipe and arranged in a drainage channel; the cover body is connected with a truss vehicle which is arranged on the filtration tank body. The filtration tank with the flushing cover is convenient to use, simple to act, strong in periodicity, reliable to work, flexible and stable in action, good in sealing effect, small in abrasion, long in service life, convenient to maintain, short in construction period, simple to manage, small in maintenance workload and relatively low in manufacture cost; the production capacity is obviously improved; a large amount of construction investment is saved.

The invention discloses a flexible dexterous hand driven by piezoelectricity. The flexible dexterous hand driven by the piezoelectricity comprises a supporting platform body, three identical flexiblefingers, flexible connecting pieces, piezoelectric ceramic blocks and end actuators. The supporting platform body is regular polyhedron. The flexible fingers are evenly arranged on the outer side faces of the supporting platform body. The included angle between the adjacent flexible fingers is 120 degrees. The flexible fingers comprise front fingers and rear fingers, and the front fingers are connected with the rear fingers through the flexible connecting pieces. The piezoelectric ceramic blocks are bonded on the outer surfaces of the front fingers and rear fingers. The end actuators are installed at the tail ends of the front fingers. By controlling the magnitude and direction of the voltage applied to the two ends of the piezoelectric ceramic blocks, the piezoelectric ceramic blocks aredeformed accordingly, and the front fingers and rear fingers are driven to bend left or right. The end actuators are driven to grasp tiny electronic components flexibly and steadily in the micro-assembly and micro-operation of a micro-electromechanical system. Therefore, the flexible dexterous hand driven by the piezoelectricity has the advantages of simple structure, flexible movement and high grasping stability.

The invention relates to the field of a mobile phone detection device and especially relates to a mobile phone screen detection device. The mobile phone screen detection device comprises a first guide rail and a second guide rail, which are arranged vertically. The first guide rail is equipped with a first driving mechanism for driving the first guide rail to move along the second guide rail; the first guide rail is provided with a base and a second driving mechanism for driving the base to move along the first guide rail; the base is equipped with a touch screen mechanism and a third driving mechanism for driving the touch screen mechanism to move up and down; the touch screen mechanism is provided with an adjusting member for adjusting force applied to the touch screen mechanism; and a fixation mechanism for installing a mobile phone is arranged under the touch screen mechanism. The beneficial effects are that the mobile phone screen detection device is simple in structure and flexible and stable to move; through the two guide rails, omni-directional movement of the detection device is realized, so that click and scribing detection of different positions of the mobile phone is realized, and detection efficiency is high; and through arrangement of the adjusting member, click and scribing strength on the mobile phone screen can be adjusted conveniently, thereby meeting a plurality of test requirements.

The invention provides a workpiece pressing device and a drill press workbench with the same, belongs to the technical field of operation, and solves the problem that the existing pressing device cannot meet requirements of pressing large workpieces. The workpiece pressing device comprises an oil cylinder, a guide rail assembly, a pressing arm, compression blocks and connection plates. The compression blocks and the connection plates are located on two sides of the pressing arm respectively and are fixedly connected with each other. Guide rails of the guide rail assembly are fixedly connected with pressing arm. A cylinder body of the oil cylinder is fixedly connected with the connection plates. All sliding blocks of the guide rail assembly are connected with the connection plates. The guide rail assembly is used for guiding when the oil cylinder is moved so that the workpiece pressing device has the advantages of being stable and flexible in motion. When the workpiece pressing device is used for pressing workpieces, the compression blocks butt against the pressing arm to bear the reactive force, and damage of the guide rail assembly caused by overlarge stress on the guide rail assembly can be avoided. In shorts, the workpiece pressing device can improve the maximum workpiece pressure exerting value and can be provided with the guide rail assembly with low bearing capacity.

The invention discloses a universal wheel device for a numerically-controlled lathe. The universal wheel device comprises a wheel body, an axle and a wheel frame body. The axle is arranged in the center of the wheel body, the wheel frame body extends in the vertical direction through the two side ends of the axle, a positioning plate is arranged on the top of the wheel frame body, and a locking plate is further connected to the wheel frame body. According to the mode, the universal wheel device of the numerically-controlled lathe can control movement or fixation of the numerically-controlled lathe, ensure that the numerically-controlled lathe flexibly and stably move, and conduct conversion control over the working state of the numerically-controlled lathe, and the working efficiency of the numerically-controlled lathe is improved.