27results about How to "Avoid personal injury" patented technology

The invention discloses a bottom supporting device of a digital television, and relates to the technical field of digital television supporting equipment, the bottom supporting device comprises the digital television, and the bottom of the digital television is provided with a supporting piece; the supporting piece comprises a control table, the control table is located in the center of the lower portion of the digital television, adjusting strips are symmetrically connected to the two sides of the control table through adjusting pieces, the bottom of the digital television is aligned to the supporting piece, the adjusting strips are pulled, and angle blocks fixedly connected to the two ends of the two adjusting strips abut against the two sides of the digital television in a limited mode. The adjusting strip and the angle block move back under the resilience force of the spring to fix and limit the digital television, the digital televisions of different sizes can be effectively supported and fixed by adopting the mode, and after the digital televisions are limited and fixed by adopting the mode, the digital televisions can be conveniently fixed. The threaded connection block just faces a threaded installation hole, corresponding to the threaded connection block, in the digital television, installation of the digital television is facilitated, adaptability is wide, and the digital television is more practical.

The application discloses an automatic medicine pouring and residual medicine cleaning device and relates to the technical field of ammunition processing equipment. The device comprises a device frame, a multiple-speed chain fixture disc, a transition mechanism, two groups of row frame manipulators, a medicine knocking mechanism, a medicine brushing mechanism, a vibrating screen and a weighing detection mechanism, wherein the two groups of row frame manipulators are respectively connected with end effector one and end effector two. The device adopts a three-stage cleaning process of "turning and pouring medicine + pneumatic hammer knocking medicine + anti-static brush brushing medicine", cooperates with anti-explosion weighing detection and automatic rejection of unqualified products, and realizes full-process automation of cartridge processing. The application realizes man-machine isolation operation, fundamentally eliminates the safety risk of abnormal firing of a primer, greatly improves production efficiency and completeness of residual medicine cleaning, and lays a foundation for unmanned production of ammunition processing.

The present application relates to the technical field of manual hardware tools, and particularly relates to a rotating locking force adding method of F clamp. The F clamp comprises a main body, a moving jaw, a screw rod, a ball head, a pressure foot, a ratchet, a handle, a locking claw and an unlocking button. One end of the screw rod is connected with the ball head, the other end of the screw rod is provided with the ratchet, the center of the ratchet is connected with the handle through a pin shaft, the handle is provided with the locking claw at a position close to the ratchet, the head of the locking claw is matched with the ratchet, the handle is provided with the unlocking button at a position corresponding to the tail of the locking claw, the locking claw is separated from the ratchet when the unlocking button is pressed, the handle can rotate around the pin shaft to adjust the angle, the locking claw is re-engaged with the ratchet when the unlocking button is released, and the handle is locked at this position. The specific rotating angle of the handle can be selected according to the space on site, even in the area with limited horizontal space, the handle can be used to drive the screw rod to rotate without the aid of other tools, the operation is convenient, time and labor are saved, and the application scene and range of the F clamp are expanded.

The utility model provides a laser cleaning safety control circuit which comprises a control module, a digital displayer, a laser distance measuring sensor, a wireless transmitting module, a wireless receiving module, an infrared receiving sensor, an enabling trigger circuit module and a driving circuit module. The control module is electrically connected with the digital display, the laser distance measuring sensor, the wireless transmitting module, the infrared receiving sensor and the enabling trigger circuit module, the wireless transmitting module is electrically connected with the wireless receiving module, and the wireless receiving module is electrically connected with the driving circuit module. The driving circuit module is electrically connected with a laser transmitter, and the enabling trigger circuit module is electrically connected with the driving circuit module, so that the laser transmitter is controlled to work within a safe distance, personal injury caused by the laser transmitter is avoided, and safety accidents are prevented.

The utility model discloses a key dispensing upper cover air tightness testing device, which belongs to the technical field of air tightness testing, and comprises a tool for testing air tightness, a positioning seat is arranged in the tool, the tool is positioned in a groove III, and an instrument panel of which the air tightness is to be tested is arranged in the tool; the rear end of the positioning seat is fixedly connected with a driving mechanism, the front end of the driving mechanism is rotatably connected with the top of a pressing plate, and the front end of the top of the pressing plate is fixedly connected with two hasp base plates. Uniform-speed opening and closing of the pressing plate and controllable adjustment of pressing speed and force are achieved through the air cylinder driving mechanism, impact force is prevented from damaging a precise instrument panel, and meanwhile the adaptability of equipment to jigs with different heights is enhanced through the stroke adjusting characteristic of the air cylinder; a rotating pair mechanism formed by the flip cover base and the single lug seat ensures that the pressing plate is stably turned over along a fixed axis, deflection errors generated by traditional hinge connection are eliminated, and it is guaranteed that the press-fit position is accurately repeated.

A method for installing a hydraulic pump station using a combination of tools: S1. The hydraulic pump station is lifted using claw jacks. Three pallet jacks are placed at the bottom of the hydraulic pump station, one of which is a main pallet jack with electric power and remote steering function, and the other two are follow-up auxiliary pallet jacks. The hydraulic pump station is lowered to support it on the three pallet jacks. S2. The hydraulic pump station is moved horizontally by the electric power of the main pallet jack. The direction of the rollers of the main pallet jack is controlled by a remote control to achieve steering. The two auxiliary pallet jacks follow the movement, moving the hydraulic pump station to the vicinity of the installation foundation. S3. The hydraulic pump station is lifted again using claw jacks, all pallet jacks are removed, and the hydraulic pump station is lowered onto the installation base. S4. The level of the hydraulic pump station is adjusted, the anchor bolts are tightened, and the connection between the hydraulic pump station and the external hydraulic pipeline is completed. This method solves the technical problems of existing installation methods, which make it difficult to lift, steer, and accurately position equipment in narrow spaces.

This invention relates to an automatic screw extrusion device for an air compressor, comprising an extrusion device body whose operation is controlled by a control system. The extrusion device body contains an upper positioning mechanism and a lower positioning mechanism. The upper end of the upper positioning mechanism is equipped with a variable-diameter telescopic oil pump. Based on the outer diameter of different screw models and the inner diameter of the screw bearing, the appropriate telescopic setting is selected, allowing the tip of the oil pump to penetrate deep into the compressor head component during screw extrusion. This prevents damage to the bearing and compressor head component while applying continuous force. The upper positioning mechanism includes adjustable limit baffles for positioning the compressor head component; the horizontal position of these baffles affects the extrusion effect, ensuring the horizontal state of the adjustable limit baffles on both sides. The lower positioning mechanism includes a screw guide and fixing device for positioning and protecting the screw during continuous, slow extrusion, preventing screw wobbling and impact, and reducing damage caused by component disassembly.

The application discloses a garden engineering full life cycle dynamic simulation and collaborative design method and system based on digital twinning and BIM. The system comprises a data acquisition layer, a unified operation model core engine, a dynamic simulation and safety prediction module, a twinning visualization platform and a real-time early warning execution module. The unified operation model integrates a plant dynamic growth sub-model, a park static environment characteristic sub-model and an external force environment dynamic load sub-model, realizing multi-time scale coupling simulation of plant long-term growth succession and instantaneous external force response. The dynamic simulation module simulates the elastic swing, plastic deformation, branch breakage and overall collapse process of plants under the action of external force (wind, snow), and accurately predicts the damage risk of collapsed plants to road personnel, power lines, buildings, waterways and other infrastructure based on spatial swept volume collision detection and damage criterion. The application realizes the intelligent leap of garden engineering from static display to dynamic prediction, from post-disposal to pre-warning.

The utility model relates to the field of natural gas transmission and distribution, especially in a hole plate valve for natural gas transmission and distribution station, including valve body, first displacement component and second displacement component, be equipped with slide valve and balance valve on the valve body, the slide valve with balance valve is located on two sides of the valve body perpendicular to each other respectively, first displacement component with balance valve connection, second displacement component with slide valve connection, first displacement component can limit second displacement component, through the first displacement component and second displacement component connection realize the limiting of second displacement component, make the balance valve close, the slide valve cannot open, thereby avoid natural gas leakage, avoid the personnel misoperation, guarantee the personnel safety.

The utility model discloses a quick disconnecting type disconnecting device for a rigid contact network. The quick disconnecting type disconnecting device comprises a first fixed busbar, a second fixed busbar and a movable busbar, an electric connection device is arranged between the first fixed busbar and the movable busbar, and an electric connection device is arranged between the movable busbar and the second fixed busbar; the first fixed busbar is hinged with the movable busbar; the movable busbar is provided with a movable busbar second wire clamp, the movable busbar second wire clamp is provided with a lower connecting part, the upper portion of the lower connecting part is in threaded connection with an upper connecting part, the upper connecting part is rotatably connected with the busbar suspension supporting structure, and the upper connecting part is connected with a driving motor. The rotating axis of the upper connecting part coincides with the axes of the threads of the upper connecting part and the lower connecting part. According to the scheme, the motor is adopted to drive the threads to be screwed in and screwed out, the structure stability under normal conditions can be guaranteed, rapid triggering under emergency conditions can be guaranteed, and the recovery process is easy to operate.

The utility model discloses a kind of tools for quickly removing cylinder pipe clamp cylinder, including base, hydraulic cylinder, push rod and adjustable clamp for clamping cylinder pipe, it innovatively uses hydraulic cylinder to provide stable thrust, cooperate adjustable clamp cylinder pipe, realize efficient, safe and labour-saving cylinder pipe clamp cylinder removal.The tool is through the synergic action of hydraulic cylinder and push rod, combined with adjustable clamp driven by pneumatic cylinder, solve the problem of low efficiency, poor safety of traditional manual removal mode.It adjustable clamp and replaceable pressure head design, can be adapted to a variety of size cylinder pipe, expand the application range of tool.In addition, the collection groove design of base bottom, effectively avoid the risk of part scattering and operator injury.The utility model greatly improves the removal efficiency and work stability, significantly reduce the labor intensity and safety risk of operator, while reducing tool maintenance cost, with good versatility and economy, especially suitable for industrial equipment maintenance field.

This utility model discloses a hook-unhooking robot vehicle and its layout structure, including a driving platform, a hook-unhooking device, a speed-coordination device, and a status data generation, acquisition, processing, and transmission device. The driving platform includes a wheel assembly and a platform main frame connected above the wheel assembly. The hook-unhooking device, speed-coordination device, and status data generation, acquisition, processing, and transmission device are all mounted on the platform main frame. The hook-unhooking device is used to grip the hooking rod and perform the hook-unhooking operation. The speed-coordination device is used to enable the hook-unhooking robot vehicle to travel at the same speed as the truck. The status data generation, acquisition, processing, and transmission device is used to acquire, process, and transmit the status data generated by the hook-unhooking robot vehicle and receive control commands to realize the autonomous driving and operation control of the hook-unhooking robot vehicle. The wheel assembly includes a vehicle track, track wheels set on the vehicle track and connected to the lower part of the platform main frame, and a drive transmission device.

This invention belongs to the field of intelligent monitoring technology for rail transit, and more specifically, relates to a track structure health detection system and its application method. The invention includes a vehicle, a track mileage coordinate measuring device, a dynamic excitation device, and a measurement recording and data acquisition device. The excitation force generated by the dynamic excitation device acts on the track structure, which includes rails and / or sleepers, / or ballast slabs, and / or base. The measurement recording and data acquisition device measures and collects data including track mileage coordinates, excitation force, and the vibration response of the track structure near the point of application of the excitation force. This invention also provides an application method. The track structure health detection system of this invention has a simple and compact structure and good applicability; the application method of this track structure health detection system is simple, quick, accurate, and efficient to operate, and can be widely used in the daily health detection of track structures for various rail lines such as high-speed rail, subway, and heavy rail, with a very broad application prospect.

The application discloses a kind of defect detection systems, including detection device and image processing module, wherein the detection device, including object table, telecentric light source, horizontal light source, coaxial light source, camera, the object table is used to load workpiece, and the workpiece includes through-hole workpiece and non-through-hole workpiece;When the telecentric light source is opened, the camera obtains the projection image of the workpiece.The application is replaced by machine, that is, through automatic non-contact optical detection system, appearance detection and size measurement are detected to flange, and unqualified products are removed.Optical image detection replaces human eye, without visual requirements, with guaranteed definition, and also avoids the problems of personal injury and reduced efficiency caused by long-term labor of artificial;And through machine determination, consistency is strong, avoids randomness, and guarantees the overall quality of flange.

The utility model relates to the technical field of safety engineering, concretely relates to a liftable pulley guardrail, including guardrail main part, the guardrail main part is opened with two sliding slots, and the sliding slot slidingly connects with the shelter frame, and the guardrail main part one side is provided with drive mechanism, and two winding mechanisms are installed on drive mechanism, and the guardrail main part one side is provided with luminous mechanism, and the shelter frame is opened with two mounting slots, and winding mechanism includes equipment box, and the equipment box inside rotationally connects with the winding drum, and the winding drum surface is connected with the cable of winding, and the equipment box top is opened with the round hole, and the cable one end passes through the round hole and is fixedly connected with the bottom of mounting slot. The utility model discloses through the mutual cooperation of double -end motor, pivot, winding drum and cable, when double -end motor rotates, drives pivot rotation and winding drum rotation, makes winding drum winding or open cable, and the cable is in contact with the surface of two fixed pulleys and continues to slide, thereby reaches the purpose of adjusting the height of the guardrail.

This invention provides a method and system for realizing unmanned tunneling face operations, comprising: dividing the equipment group operating at the tunneling face into N independently operating rigid body groups; installing an inertial navigation system and a laser target on the main rigid body equipment of each rigid body group; designing and installing a measurement and positioning robot; the measurement and positioning robot includes an inertial navigation system and N automatic target-finding total stations; establishing a digital twin platform for the unmanned tunneling face, realizing pose calculation, fault diagnosis, disaster early warning, collaborative control, scene updates, and equipment start-up, shutdown, and maintenance decisions for all equipment at the tunneling face, and providing remote intervention and human-machine interaction interfaces to achieve unmanned operation at the tunneling face. This invention can achieve precise measurement, positioning, and attitude control of all equipment such as excavators, drillers, anchors, supports, transporters, and tunnelers at the tunneling face, realizing unmanned operation with zero accidents and zero faults at the tunneling face, providing technical support for avoiding personal injury and significantly improving tunneling efficiency.

This utility model relates to the field of machining technology, and in particular to a moving contact eccentric positioning fixture, which alleviates the problem that traditional three-jaw chucks and other general-purpose fixtures are difficult to use to achieve accurate positioning, reliable clamping, and convenient disassembly and assembly of workpieces, thus affecting machining quality and efficiency. The fixture includes a main body, a locking ring, and a stripper ring; the main body is cylindrical with a cavity extending through both ends, and the cavity is offset to one side; the moving contact can be assembled into the cavity; the eccentric dimension of the cavity matches the eccentric dimension of the moving contact; the locking ring can lock the moving contact; the stripper ring can drive the moving contact to move away from the main body; after the moving contact is inserted into the main body, it is locked by the locking ring to facilitate the machining of the eccentric hole; after machining, pulling the stripper ring pushes the moving contact out of the main body, facilitating disassembly and assembly and avoiding the risk of personal injury from directly pulling out the moving contact.

The invention provides a vehicle window learning execution method and device, a vehicle and a storage medium, the method is applied to the field of vehicle control, and the method comprises the steps that a detection instruction for a vehicle window anti-pinch parameter packet is acquired; wherein the car window anti-pinch parameter packet is used for realizing an anti-pinch function of a car window; in response to the detection instruction, detecting whether a serial number of a preset position in a target storage area is a target serial number; and when it is determined that the serial number of the preset position is the target serial number, car window learning is allowed to be executed. According to the method, a car window learning mechanism based on car window anti-pinch parameter package numbers is introduced, on the premise that hardware cost is not increased, correct starting of car window learning, rapid verification of a production line and parameter configuration isolation are achieved, and the safety and reliability of a car window system are remarkably improved.

The invention discloses a method for replacing a small grinding plate of a coke oven on line, which comprises the following steps of: pushing a whole set of protection tool to move below an oven number to be operated, opening an oven door, and putting the whole set of protection tool close to an oven body, so that a front heat insulation baffle just extends into a carbonization chamber to block heat radiation of red coke in the carbonization chamber; meanwhile, the furnace end can be prevented from collapsing coke to a certain extent, the pedal is opened to be flush with a coke dripping plate of the coke oven, and the walking wheels of the bottom feet are fixed; a worker goes up and down the platform through the walking ladder on the outer side, the platform is flush with the small grinding plate in height, after the pedal plate is opened, the worker gets close to the furnace body through the pedal plate, removes the old small grinding plate, cleans the installation position of the small grinding plate, installs a new small grinding plate, and finally grout is poured; the periphery of the newly-installed small grinding plate is grouted and plastered, the pressing condition of the ceramic fiber braided rope at the position of the furnace door frame and the protection plate is checked, if the pressing condition is not tight, tamping is needed, after the furnace door frame and the protection plate are checked, the installation condition of the grinding plate is checked, and it is ensured that the position is correct and connection is firm.

The utility model discloses a kind of for polishing device of tin immersion cable outer conductor, including motor assembly, the front end of motor assembly is positioned with positioning assembly, the front end of positioning assembly is positioned with shaft seat, the inside of shaft seat is provided with bearing, the front end of bearing is connected with driving shaft, the front end of driving shaft is connected with connector, the front end of connector is connected with chamfering tool bit, the outside of driving shaft is installed with safety cover in the front end of shaft seat, the front end of safety cover is integrally formed with cover head, the inner wall of cover head is positioned with support frame. A kind of for polishing device of tin immersion cable outer conductor in the utility model, by polishing and thinning after tin immersion cable diameter, make connector and cable diameter match, ensure safety in the process of operation simultaneously, avoid injury due to accidental contact rotary tool bit.

The utility model relates to the technical field of switching power supply testing, in particular to a switching power supply insulation and voltage resistance testing device, which comprises a base, four contact pins, a connecting frame, a first guide frame, an air cylinder, a clamping rod and a first elastic piece, the four contact pins are arranged on the base in a sliding manner, and the first guide frame is fixedly connected onto the base. A cylinder is mounted on the first guide frame, a clamping rod is mounted on a telescopic rod of the cylinder, a connecting frame is fixedly connected to the four contact pins, the connecting frame slides on the first guide frame and is sleeved with a first elastic piece, and the two ends of the first elastic piece are connected with the first guide frame and the base respectively. By starting the air cylinder, the telescopic rod of the air cylinder extends to drive the clamping rod to move upwards, so that the clamping rod is separated from the connecting frame, and the first elastic piece drives the connecting frame and the four contact pins above the connecting frame to move backwards, so that the contact pins are separated from the switching power supply, electric connection with the switching power supply is cut off, and electric shock between testing equipment and personnel caused by electric leakage is avoided.

The utility model discloses a kind of slippers airing rack, including side frame, multiple support rods are equipped between two side frames, support rod both ends are equipped with clamping rod, clamping rod one end is equipped with cooperation block, clamping groove is opened between cooperation block and clamping rod, clamping sleeve is equipped in the both sides of side frame, round plate is equipped outside clamping sleeve, round hole and arc slot are opened in round plate, limiting sleeve is sleeved outside clamping sleeve, control rod is equipped in one side of limiting sleeve, control plate is equipped on control rod, unlocking sleeve is sleeved outside clamping sleeve, unlocking slot is opened in unlocking sleeve side wall, movable frame is equipped in one side of unlocking sleeve, movable rod is equipped in movable frame, movable plate is equipped in movable rod one end, movable spring is sleeved outside movable rod, movable slot is opened outside clamping sleeve, moving groove is opened outside clamping sleeve, moving plate is equipped in moving groove, clamping block is equipped in one side of moving plate, the utility model realizes the convenient assembly and split of the whole airing rack, and effectively guarantee the assembly stability of the whole airing rack.

This utility model relates to a linear motor direct drive worktable with a safety protection device. The utility model includes a linear guide rail mounted on the machine tool bed; a worktable body with a slider slidably connected to the linear guide rail at its bottom; a linear motor including a primary and a secondary component, the primary component mounted at the bottom of the worktable body and the secondary component mounted on the machine tool bed; a linear encoder ruler mounted on the machine tool bed and extending along the sliding direction of the worktable body; an encoder ruler reading head mounted on the worktable body corresponding to the linear encoder ruler; a first and a second limit buffer device, respectively mounted on the machine tool bed and located on opposite sides of the worktable body's moving direction; and a braking device mounted on the slider. This utility model achieves high-speed, stable, and safe linear motion of the worktable.

The utility model discloses an anti-back-flushing protection system for a pipeline high-pressure cleaning vehicle. The anti-back-flushing protection system comprises an anti-back-flushing safety grid and an intelligent protection device. A sensor mounting position for mounting a detection sensor is arranged on the anti-recoil safety grid; the intelligent protection device comprises a control module, a key module, a display module, a detection sensor, a sensor input module, a relay output module, a switching value input module and a power module, the modules are electrically connected, and the detection sensor is installed at a sensor installation position of the anti-recoil safety grid. And the control module performs coordinated control on detection and interlocking protection of the high-pressure water gun. The anti-backflushing safety grid is improved on the basis of a traditional anti-backflushing safety grid and is matched with a highly-integrated intelligent terminal device, operation safety protection of the pipeline high-pressure cleaning vehicle is achieved, personal injury caused by backflushing of a high-pressure water gun is prevented in a mechanical and electrical matching mode, and the purposes of eliminating potential safety hazards and protecting safety of operators are achieved. Good popularization and application values are realized.

The present application relates to the mechanical technical field, it relates to a spanner limiting device, it includes: bottom plate, the lower side middle part of bottom plate is opened with thread groove, the upper end middle part of bottom plate is fixedly connected with connecting piece, the front and back side middle part of connecting piece is opened with observation port, the middle part of connecting piece is opened with inserting hole, the upper side middle part of connecting piece is opened with connecting hole, the inner chamber of connecting hole is inserted with screw through thread in the upper part, the lower part of inner chamber of connecting hole is placed with clamping bead, the upper part of clamping bead is equipped with connecting block, and the upper end of connecting block and screw are equipped with spring;Fixed part, the right end outside of fixed part is connected with handle through pivot.The overall structure of the equipment, the bottom of fixed part should be in full contact with the special key wrench upper plane, limit the position of special key wrench to move up, so as to avoid the wrench to knock off, reduce the labor intensity of workers, improve the oil well oil production rate, and eliminate personal injury.

The utility model discloses a dust catcher filter bag burst strength detection device, the utility model relates to filter bag detection technical field. Including installation base, be provided with the installation mechanism for dust catcher filter bag burst strength detection on the installation base, the utility model motor main part output end drives screw clockwise rotation, because the protrusion of protection shell one side is connected with screw thread, under the thread transmission effect, protection shell obtains the driving force to the upward, simultaneously, the guide block of protection shell one side does vertical upward sliding along the guide rod, provides the guidance and stable support for the lift of protection shell, when protection shell rises to the close contact with mounting panel, protection shell, processing platform and mounting panel enclose a closed detection space together, completely wrap filter bag in the inside, can effectively prevent the fragment, dust etc. of filter bag burst instantaneous generation and splash to the outside, avoid to the operating personnel cause personal injury, guarantee the neat and safe of detection site.

The utility model relates to a mobile cable switching power distribution cabinet, which comprises a cabinet body, a cable group, a cable support frame and a control circuit, the cabinet body comprises a frame and side plates arranged on the left side and the right side of the frame, and the back faces of the two side plates are connected with a rear cover. A moving device is arranged below the bottom plate; the cabinet door is provided with three windows, and the control circuit comprises a three-phase circuit breaker arranged on each window; the rear cover is a baffle fixed on the rear side of the frame through a screw, a circular opening is formed in the lower left corner of the rear cover, the cable group enters the inner cavity of the cabinet body through the circular opening, and an output socket is arranged at the lower right corner; the device is reasonable in design, compact in structure and convenient to use.