497results about How to "Smooth movement" patented technology

The invention relates to a robot skill continuous learning method and device based on imitation learning, and the method comprises the steps: sequentially aiming at each task in a plurality of tasks; before a preset termination condition is met, circularly executing the following operations: inputting the observation image, the state information, a pre-acquired text instruction of the current task and a skill code book of the current task into a simulation learning strategy network, and predicting to obtain action information of the robot at the current moment, the skill code book of the current task is a plurality of pre-initialized learnable sub-skill vectors, and the skill code book comprises skill information of the skill code book of the previous task under the condition that the previous task exists; calculating loss based on the predicted action information of the robot and the real action information of the robot in the expert demonstration data; and updating the imitation learning strategy network and the skill code book of the current task based on the loss. The problems that skill selection is not flexible, and it is difficult to abstract the sub-skill hierarchical structure through manual skill design are solved.

The utility model relates to an ultrasonic therapeutic instrument, which belongs to the technical field of medical beauty equipment and drives a transducer seat to move in an instrument shell along the guide direction of a guide part through a driving part so as to drive a transducer to move. Compared with the prior art, the moving track of the guide seat is limited through the guide part, the running stability of the transducer is improved, and meanwhile, the moving allowance deviating from the guide direction of the guide part is reserved at the joint of the transducer seat and the guide part, so that the guide seat has a deviating moving space on the guide part, and the moving stability of the transducer is improved. When the guide part has undesirable phenomena such as deformation and abrasion, the guide seat can still adaptively move along the guide direction under the driving of the driving part, the stable movement of the transducer is ensured, the effect of reducing the movement resistance of the transducer is achieved, and the detection device is arranged to detect the connection relationship between the transducer seat and the driving part, so that the reliability of the transducer seat is improved. Therefore, the safety and reliability of the ultrasonic therapeutic apparatus are improved.

The invention provides a tarpaulin frame with an anti-deformation function and a truck tarpaulin system. The tarpaulin frame comprises cross bars, and the bottom ends of the cross bars are provided with first contact surfaces; the top end of the vertical pile is provided with a second contact surface; the guide assembly is respectively connected with the cross bar and the vertical pile, comprises a fixed frame, is formed on one of the first contact surface and the second contact surface, and is provided with a through buffer space; the mounting seat is matched with the fixed frame, is formed on the other one of the first contact surface and the second contact surface, and is provided with a mounting groove with an opening facing the fixed frame; and the two ends of the guide part can penetrate through the buffer space to be connected with the side walls of the mounting grooves correspondingly, the guide part responds to deformation of the tarpaulin frame, and the guide part can limit the relative displacement between the fixing frame and the mounting base in the buffer space. When the tarpaulin frame is impacted by external force, unfavorable deformation of the tarpaulin frame is avoided, and the stability of the overall structure of the tarpaulin frame is guaranteed.

The invention discloses an automobile shock absorber technology, and aims to provide a mistake proofing device for spring plate spiral lift point position height and a control method thereof. The technical scheme is that the mistake proofing device comprises a base used for bearing all mechanisms, a rotating table mechanism is arranged on the base, and a liquid storage barrel placing rod is installed on the rotating table mechanism; an expansion head mechanism for expanding and fixing the liquid storage cylinder is arranged at the top of the placing rod; the pressing mechanism is arranged on the rear side of the base and used for pressing and fixing the spring plate; the positioning mechanism is arranged on the base and used for positioning and supporting the spring plate; the detection mechanism is arranged at the bottom of the positioning mechanism and used for precise detection; the control system is connected with all the mechanisms through a PLC and used for controlling all the mechanisms; the control system can also remotely control the welding robot to facilitate subsequent welding work; through a plurality of components such as the base, the pressing mechanism and the positioning mechanism, the accuracy of the mounting, pressing, positioning and detecting processes is ensured; the invention is suitable for the technical field of automobile shock absorbers.

The invention discloses an efficient waste activated carbon regeneration reaction furnace, and relates to the technical field of activated carbon regeneration equipment, the efficient waste activated carbon regeneration reaction furnace comprises a furnace body, a furnace door is arranged on one side of the furnace body, a frame body is fixedly connected to the outer surface of the furnace body, and the efficient waste activated carbon regeneration reaction furnace further comprises a rotary regeneration mechanism and a vibration regeneration mechanism. Through the arrangement of the rotary screen, the heating regeneration efficiency of materials is improved, waste particles generated during heating can be separated from regenerated activated carbon through the arrangement of the rotary screen, the quality of the regenerated activated carbon is improved, additional manual removal work is not needed, the cost is reduced, and meanwhile through the up-and-down shifting work of the shifting block, the waste particles can be recycled. And through vertical vibration of the rotary screen and vertical vibration of the rotary screen, broken waste on the upper portion of the material can flow to the lower portion, so that the broken waste makes contact with the rotary screen and penetrates through the rotary screen to be separated from regenerated activated carbon, and the separation effect and uniformity are improved.

The invention relates to the technical field of wafer feeding, and particularly provides a wafer feeding platform which comprises a base part and a wafer box. The base part comprises a metal bottom plate and a sliding tray arranged at the upper end of the metal bottom plate, and a sliding mechanism is arranged between the metal bottom plate and the sliding tray; the wafer box comprises a box body, a plurality of stainless iron plates which are uniformly distributed from top to bottom are arranged in the box body, and a wafer feeding position is arranged at the upper end of each stainless iron plate; according to the invention, the sliding base part is used, and the vertical quick clamp is used for fixing the sliding tray, so that the structural stability is improved, and the position precision of the wafer box is ensured; the wafer box can separate and discharge the wafers to meet the use requirements of different types of wafers, so that the use flexibility and the overall production efficiency of the equipment are improved; the automatic box opening and closing device integrates the functions of bearing, adjusting, clamping, box opening, box closing and the like, the process is simplified, and the production efficiency and the production standardization degree are improved.

The invention discloses an animation motion capture device for a virtual reality technology, and particularly relates to the technical field of virtual reality, which comprises a data acquisition module for capturing and collecting user motion and environment information, and a data processing module for analyzing, converting and optimizing the acquired data. Through cooperative work of the data acquisition module, the data processing module, the rendering feedback module and the like, accurate capture and real-time feedback of user actions are achieved, it is ensured that physical attributes of a virtual environment and a real environment are highly consistent, the data acquisition module can obtain multi-dimensional information such as somatosensory, expressions and environments of a user at high precision, and the user experience is improved. And the data processing module accurately identifies and optimizes user actions through a deep learning algorithm and a skeleton mapping technology, and the rendering and feedback module generates vivid visual, tactile and sound effect feedback, so that high immersive experience is brought, and fluency and consistency of actions and feedback are guaranteed.

The utility model discloses a plastic impact testing machine, which structurally comprises an upper top cover, a support frame, a guide shaft, a replacement door, a rubber pad, a placement table, a fixed base, a driver, an impact hammer body mechanism and an adjusting replacer, and the lower end of the upper top cover is welded with the upper end of the support frame. Structurally, the guide shaft is connected with the sliding rail groove frame arranged in the outer side of the hammer body shell for lifting and positioning, and a rolling bearing is arranged in the sliding rail groove frame, so that the movement process is smoother, and the unnecessary jamming phenomenon is avoided; furthermore, a connecting shaft is mounted in the hammer body shell, so that the weight of the counterweight thallium can be conveniently replaced and adjusted through a replacement door, and the counterweight thallium can be disassembled and changed more quickly in the impact test process of different bearing forces of different plastic parts according to needs and is fixed through a fixing shaft bolt; and the sliding wheels arranged on the inner sides of the limiting blocks can provide a smoother process in the disassembly, assembly and replacement processes.

The utility model discloses a side-mounted garbage collection and transportation manipulator which comprises a grabbing mechanism, a lifting mechanism, a transverse position adjusting mechanism, a telescopic mechanism, a visual auxiliary operation mechanism and a control mechanism. The grabbing mechanism is provided with a single-finger clamping jaw and a double-finger clamping jaw which can be adjusted independently or simultaneously, and the single-finger clamping jaw is located in a gap in the middle of the double-finger clamping jaw. A sensor is arranged on the tail end clamping jaw; the lifting mechanism drives the grabbing mechanism and the transverse position adjusting mechanism to ascend and descend, and overturning and dumping of the dustbin are achieved. The transverse position adjusting mechanism is used for adjusting the position of the grabbing mechanism in the transverse direction; the telescopic mechanism is used for driving the supporting and lifting mechanism to stretch forwards or retract backwards, and the visual auxiliary operating mechanism obtains an image at the grabbing mechanism and conveys the image to the control mechanism; and the control mechanism is provided with a controller for controlling other parts to work. The grabbing mechanism is controlled to be opened and closed more accurately, and the garbage can is prevented from being shrunken by clamping or falling off in the grabbing process; and the adjustment in the lifting or horizontal direction is more accurate.

The utility model relates to a fresh flower leaf stroking and sorting device which comprises a feeding mechanism, a leaf removing mechanism, a visual detection system and a quantitative discharging mechanism. The leaf removing mechanism comprises a leaf removing clamping jaw assembly and a clamping jaw rail, the leaf removing clamping jaw assembly is provided with an elastic rope, and the leaf removing clamping jaw assembly moves along the clamping jaw rail to stroke leaves after the elastic rope hoops the fresh flowers; the visual detection system is used for carrying out image acquisition and sorting treatment on the fresh flowers subjected to leaf stroking; the quantitative discharging mechanism conducts quantitative discharging on the sorted fresh flowers. According to the utility model, feeding is carried out in a single tiled manner, and flowers can be automatically clamped without being damaged through the cam transmission type carrier and can be freely controlled to be opened; a clamping jaw of the leaf removing mechanism adopts cam transmission to hoop fresh flowers by an elastic rope, and leaves are stroked down along a set track, so that the leaf stroking success rate is high; the elastic rope stroking leaves can effectively prevent fresh flowers from being damaged, and the aim of removing leaves without damaging the flowers is achieved.

The utility model discloses a scrubber large roller assembly with an oblique movement function, which comprises a floor brush lower shell, a limiting groove body arranged on the rear side of the floor brush lower shell, a mounting cavity arranged in the floor brush lower shell, an air suction channel and a rolling brush assembly arranged in the mounting cavity, a rotating piece arranged in the limiting groove body, a large roller connected to the rotating piece, and a rolling brush arranged on the rolling brush assembly. Small rollers are arranged on the front side of the bottom of the floor brush lower shell; the floor brush upper shell is provided with a connecting lug and a limiting arc-shaped plate, the connecting lug abuts against the limiting groove body, and the limiting arc-shaped plate is located above the rolling brush assembly. During use, the connecting shaft moves in the limiting notch in a limiting manner under the rolling of the large roller, the second bearing rolls on the rolling surface in the limiting groove body, so that the first bearing is driven to rotate on the screw joint groove body, and the other end of the connecting shaft is connected to the shaft clamping ring on the large roller; the structure can reduce the oblique slipping of the large roller and reduce the resistance, so that the floor brush is more flexible to operate.

The invention discloses a suture removing auxiliary device for cardiac surgery, and belongs to the technical field of surgical suture removing, the suture removing auxiliary device comprises a fixing device, a suture cutting device and a suture pulling device are arranged on the fixing device, the suture cutting device is used for cutting a suture on the skin, and the suture pulling device is used for pulling the cut suture out of the skin. The fixing device is used for adjusting the positions of the thread trimming device and the thread pulling device; the fixing device can adjust the positions of the thread trimming device and the thread pulling device in the X direction, the Y direction and the Z direction, the thread trimming device and the thread pulling device can reach the surgical site where a thread needs to be removed, and the fixing base is installed on a sickbed and is convenient to use. When the thread cutting device moves, the movable knife and the fixed knife are continuously opened and closed to cut off the surgical thread on the skin, the thread pulling claw is driven to continuously pull out the cut surgical thread when the thread cutting device moves, the whole action is conducted continuously, the automation degree is high, and continuity is good.

The invention discloses a ball screw pair and a linear actuator, and belongs to the technical field of transmission structures, the ball screw pair comprises a nut, a screw rod and balls, a first spiral groove and a second spiral groove are matched to form a spiral raceway, a plurality of balls distributed in an extending mode are arranged in the raceway, the axial length of the nut is larger than that of a transmission part, and the screw rod is arranged in the screw rod. A groove is formed in the peripheral face of the transmission part, a return block is embedded in the groove, a part of the second spiral groove is formed in the outer side surface of the return block, a return channel communicated with the roller path is arranged between the inner side of the return block and the transmission part, and the balls moving to one end of the roller path return to the other end of the roller path through the return channel. The linear actuator adopts the ball screw pair. The balls complete circulation in the transmission part, a return structure does not need to be arranged on the nut, the structure of the nut can be simplified, the appearance of the nut is kept regular, and the balls cannot fall out of the roller path.

The invention relates to the technical field of power distribution equipment, and discloses an alternating current acquisition device and method for a transformer area intelligent fusion terminal, the device comprises a device body, the lower part of the device body is provided with a support, and the top of the support is symmetrically provided with chutes. According to the device, after the transformer is on fire, the device body is far away from the transformer, the device body is prevented from being burnt out by the on-fire transformer, the telescopic cover can be pulled open in the far-away process, the device body can be protected, if accumulated water exists at the falling position of the device body, the accumulated water can be isolated from the device body, and the device body is protected. The protective shell, the sealing strip and the wedge-shaped plate are matched to wrap the lead screw, so that the lead screw is prevented from being in contact with external humid air to be rusted, normal use of the lead screw is guaranteed, it is further guaranteed that the telescopic cover can be smoothly pulled open, the protective shell can be separated while the telescopic cover is pulled open, and the service life of the device is prolonged. And the transverse plate can smoothly move along the screw rod.

The utility model provides a telescopic belt conveyor matched with a concrete mixing plant for use, which can be suitable for various scales of concrete mixing plants, improves the construction efficiency, the conveying efficiency and the production efficiency of the concrete mixing plant, and comprises a walking chassis, a telescopic belt conveyor set, a steering conveyor set and a lifting conveyor set, the two ends of the bottom of the walking chassis are each provided with a wheel direction switching assembly, and at least one wheel direction switching assembly is provided with a traveling crane driving assembly. When the wheel direction switching assembly is started, the advancing direction of the tire is switched to front-back movement or left-right movement; the middle of the walking chassis is a chassis support, and the two ends of the chassis support are connected with wheel direction switching assemblies. The telescopic belt unit comprises an inclined belt unit, a first transverse belt unit and a second transverse belt unit capable of being contracted into the first transverse belt unit. The lifting unit controls the lifting angle and height of the first transverse belt unit.

The invention discloses an upper limb power assisting device and a power assisting control method. The upper limb power assisting device comprises a sensing system, a power module, a trunk module, an arm module, a sling system and a main control module. The sensing system comprises an inclinometer and an angle sensor, and the inclinometer is arranged on the trunk module; the angle sensor is arranged on the power module; the power module comprises a shoulder power module, and the shoulder power module comprises a shoulder power base and a shoulder power output disc rotationally connected with the shoulder power base; the trunk modules are arranged on the two sides of the human trunk and fixed to the human trunk. The front end of the arm module is in transmission connection with the sling system, and the sling system is used for assisting in lifting the palm or the weight of the human body. According to the power-assisted control method, the intention of raising or lowering the arm of the wearer is sensed through the sensing system, so that the control is more sensitive, the action is more stable, shaking is avoided, and the universality is good. The method is simple and easy to use, and conforms to natural action habits; the sensing system is light, thin, small, low in cost and small in influence on an existing mechanism of the system.

The invention belongs to the technical field of polymer composite materials, and particularly relates to a preparation method of a super-smooth surface based on modified composite particles, which comprises the following steps: spraying an organic-inorganic hybrid adhesive on the surface of a substrate for curing, and then spraying a modified composite particle dispersion liquid on the surface of the organic-inorganic hybrid adhesive for curing, thereby obtaining the super-smooth surface based on the modified composite particles. And finally, soaking the substrate loaded with the modified composite particles in lubricating oil added with a photoinitiator, and irradiating under ultraviolet light to obtain the super-smooth surface based on the modified composite particles. The prepared super-smooth surface based on the modified composite particles is excellent in performance, and the wear resistance, the mechanical strength and the like of the super-smooth surface can be enhanced.

The utility model relates to the technical field of automatic control of vulcanizing machines, and discloses an automatic control device of a vulcanizing machine, which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is positioned at the outer end of the main body mechanism, and the main body mechanism comprises a machine body, a control cabinet body and a brake assembly. According to the automatic control device of the vulcanizing machine, the main body mechanism is mounted, the left and right independent parts of the vulcanizing machine are formed, the left and right devices are independent parts, the left and right control cabinets are configured, corresponding operation actions of the left and right molds can be operated respectively, the whole production process of the vulcanizing machine is completed, the mold clamping force control precision is high, and the production efficiency is high. And as the six annular oil cylinders on the left and right are all used for pressurizing the mold, the mold closing force is jointly applied by the oil pump and the pneumatic booster pump, and the pressure transmitter is used for detecting the oil pressure to control the output pressure of the pneumatic booster pump, the high control precision of the mold closing force is ensured, and the practicability of the equipment is effectively improved.

The invention relates to the technical field of heat exchange equipment, and discloses an environment-friendly self-cleaning plate heat exchanger which comprises fixed clamping plates, guide rods are installed at the upper ends and the lower ends of the interiors of the two fixed clamping plates correspondingly, a plurality of plate sheets are clamped on the inner sides of the guide rods, and the plate sheets and the fixed clamping plates are attached to each other; a cold outlet and a hot outlet are formed in one side of the outer wall of the fixed clamping plate, a cold inlet and a hot inlet are formed in the other side of the outer wall of the fixed clamping plate, and a self-cleaning mechanism is installed in the sheet bar and used for automatically cleaning an inner channel of the sheet bar. A bubble cleaning mechanism is mounted on one side of the outer wall of the fixed clamping plate and used for introducing carbon dioxide bubbles into the plate to complete cleaning. And tiny bubbles are released through the bubble cleaning mechanism, dirt on the inner wall of the plate is deeply cleaned through the adhesive force of the bubbles and the high-pressure impact force generated when the bubbles are broken, and the continuity and stability of production operation are improved.

A longitudinal sealing mechanism of a multi-row strip bag back sealing packaging machine comprises a collar turning device, a front longitudinal sealing mold and a rear longitudinal sealing mold, the collar turning device and the rear longitudinal sealing mold are fixed on a machine body of the packaging machine, and the longitudinal sealing mechanism is characterized in that the front longitudinal sealing mold comprises a cross beam and a plurality of pressing blocks evenly distributed on the inner side of the cross beam; the pressing blocks are obliquely mounted on the inner side of the cross beam and are in one-to-one correspondence with the oblique pressing surfaces on the outer sides of the forming holes; opening and closing air cylinders are symmetrically arranged on the inner side of the machine body, and one end of a piston rod of each opening and closing air cylinder is connected with two symmetrically-arranged supporting bases through a connecting plate and at least two sets of guiding assemblies. A driving shaft driven by a servo motor is arranged on the inner side of the machine body, eccentric shafts are rotatably installed in the two supporting seats respectively, the two ends of the driving shaft are in transmission connection with the corresponding eccentric shafts through double-crank mechanisms respectively, and the two ends of the cross beam are connected to eccentric sections of the eccentric shafts respectively. The longitudinal sealing device has the advantages of being stable in action, small in amplitude, even in sealing pressure and good in longitudinal sealing performance.

A bidirectional compensation type tobacco seedling transplanting mechanism comprises a vehicle body which is provided with a power assembly, a planting device and a well cellar hole forming drill bit. The power assembly comprises a main power shaft, a first non-circular gear, a second non-circular gear and a gearbox shell, and the first non-circular gear and the second non-circular gear are both arranged in the gearbox shell. The first non-circular gear is fixedly arranged relative to the vehicle body; the main power shaft drives the gearbox shell to rotate relative to the vehicle body; the second non-circular gear is meshed with the first non-circular gear; the second non-circular gear is connected with a crank; the crank is connected with a first / second connecting rod, the tail ends of the first connecting rod and the second connecting rod are arranged on the framework in a sliding manner, and the well cellar cavitation drill bit and the planting device are connected to the tail ends of the first connecting rod and the second connecting rod respectively. According to the bidirectional compensation type tobacco seedling transplanting mechanism, the hole forming quality and the seedling falling success rate are improved, the well cellar depth and the hole opening size conform to the agricultural requirements of tobacco seedling growth, the heat preservation effect of tobacco seedlings in the early growth stage can be guaranteed, and the survival rate of the tobacco seedlings is improved.

The invention relates to the technical field of motor assembling, and discloses a motor assembling device which comprises a lifting supporting mechanism, a plurality of supporting inner diameter adjusting mechanisms are installed in the lifting supporting mechanism, and the supporting inner diameter adjusting mechanisms are arranged in the lifting supporting mechanism at equal intervals. A supporting inner diameter control mechanism is installed on the surface of the lifting supporting mechanism, a supporting inner diameter locking mechanism is installed on the outer wall of the lifting supporting mechanism, a traction supporting mechanism is installed on the outer wall of the lifting supporting mechanism, and a guiding supporting mechanism is arranged below the lifting supporting mechanism. And a motor shell positioning mechanism is arranged on the surface of the guide supporting mechanism. According to the motor assembling device, the rotor and the stator can be aligned and coaxial before the bearing installation position of the rotor spline shaft enters the bearing inner hole, it is guaranteed that the rotor spline shaft can be rapidly inserted into the bearing inner hole, the accuracy of rotor installation is guaranteed, and the installation convenience is improved.

The utility model discloses a garden nursery stock planting vehicle, which belongs to the technical field of nursery stock planting, and comprises a moving plate, two cylinders are arranged in the moving plate, the two cylinders are both connected with adjusting assemblies, one surfaces, close to each other, of the two adjusting assemblies are both connected with rotating assemblies, and the two rotating assemblies are both arranged in a supporting plate. The two supporting plates are connected to the movable plate. After the two clamping plates close to each other fix the nursery stock, the two air cylinders are controlled to contract, the moving toothed plate can drive the nursery stock to rotate through the gear, the rotating pipe and the rotating frame to move to a vertical state, the electric push rod is controlled to unfix the nursery stock, and the nursery stock moves downwards under the action of the gravity of the nursery stock. The two clamping plates can limit and centralize the nursery stock, so that the nursery stock does not topple over when moving downwards, and the nursery stock can smoothly move into the planting pit under the action of the gravity of the nursery stock to complete the planting operation.

The utility model relates to the technical field of control valves in hydraulic control equipment, in particular to a combination valve for rapidly assisting in lifting a cylinder of a rubber flat vulcanizing machine. Comprising a valve body, an electromagnetic directional valve arranged on the valve body, a counterbalance valve, plugs arranged on ports of oil way channels and process channels on the valve body, and a fixing support used for installing the combination valve. The valve body is an integrally-formed casting part and comprises an installation structure and an oil way channel of an upper electromagnetic reversing valve, an installation structure and an oil way channel of a middle counterbalance valve and an oil way channel of a lower butt-joint oil hydraulic cylinder. The valve group is provided with an oil inlet channel port P and an oil return channel port T corresponding to a hydraulic system, and the oil inlet channel port P and the oil return channel port T correspond to oil inlets A1 and A2 of the two sets of hydraulic cylinders respectively and correspond to oil return ports B1 and B2 of the two sets of hydraulic cylinders respectively. The valve group is a compact valve group which integrates the functions of an electromagnetic directional valve and a counterbalance valve.

The invention discloses sample tube uncovering equipment and an uncovering method, and relates to the technical field of uncovering equipment. A sample rack is placed on the conveying track; the code scanner is used for reading the bar code content on the sample tube; the uncovering mechanism is used for grabbing the sample tube and driving the sample tube to rotate, and when the fixing mechanism clamps the sample tube, the uncovering mechanism grabs a tube cover on the sample tube and drives the tube cover to rotate until the tube cover is separated from the sample tube; the detection mechanism is used for identifying whether the sample tubes are placed at all positions on the sample frame or not and whether the uncovering mechanism takes down tube covers on the sample tubes or not. According to the sample tube uncovering equipment, the technical problems that a sample with a bar code on a sample tube does not directly face a notch of a sample frame, directly enters an analysis instrument and is identified as a wrong sample to be discharged, and the detection efficiency is influenced are solved, the bar code on the sample tube is adjusted and corrected to directly face the notch of the sample frame, and the sample tube is accurately identified by the analysis instrument; the sample detection efficiency is effectively improved.

The utility model discloses a guide pillar type rotary oil cylinder which comprises a main cylinder body, a cylinder cover arranged on the top face of the main cylinder body, a piston rod penetrating through the cylinder cover and inserted into the main cylinder body, and a guide pillar. The upper end of the piston rod is connected with a T-shaped pull rod head, and the lower end of the piston rod is provided with a piston head. The upper end of the guide column is inserted into a column groove in the bottom of the piston head and connected through a ball guide groove structure, the lower end of the guide column is inserted into an oil groove in the bottom of the main cylinder body, and the oil groove is communicated with the oil groove oil injection hole. The utility model has the advantages of simple structure, simplicity in operation, small volume, high reliability, good sealing performance, smooth action, difficulty in blockage, good flexible adaptability and easiness in overhaul and maintenance.

The invention relates to the technical field of waste gas treatment devices, in particular to a waste gas treatment device for carton environment-friendly printing, which comprises a connecting box, an adsorption structure, a connecting sleeve, an opening and closing structure, a connecting pipe, a fixing structure, a supporting structure, a clamping structure, a gas inlet pipe, an exhaust pipe and a sealing gasket, when the activated carbon in one adsorption structure needs to be replaced, the other adsorption structure can continue to purify the waste gas through the opening and closing structure, so that the situation that the waste gas which is not purified drifts to the surrounding environment in the process of replacing the activated carbon, and consequently the body of a worker is injured is avoided; when activated carbon needs to be replaced, fixation of the adsorption structure can be quickly relieved through the fixing structure, and then the adsorption structure can be pulled out from the interior of the connecting box; and in the pulling-out process of the adsorption structure, the adsorption structure can move more smoothly through the supporting structure, and therefore use is more convenient.

The utility model relates to a press driving device for leak hunting and disinfection of an endoscope and pretreatment equipment, and belongs to the technical field of leak hunting and disinfection of the endoscope, the press driving device comprises a mounting seat, a negative suction button pressing column and a water-gas button pressing column which are mounted on the pretreatment equipment, two linear driving mechanisms are mounted on the mounting seat, one linear driving mechanism is used for driving the negative suction button pressing column, and the other linear driving mechanism is used for driving the water-gas button pressing column. The other linear driving mechanism is used for driving the steam button pressing column, so that the negative suction button pressing column and the steam button pressing column can synchronously perform pressing action and can independently and asynchronously act, the applicability is high, air supply, water supply and negative pressure suction work can be performed at the same time, time is saved, and higher efficiency and convenience are achieved; and due to the arrangement of the two linear driving mechanisms, the pressing column only needs to be pushed to move forwards, the requirement for backward movement is reduced, the installation space in the length direction is further saved, and the clinical space is saved.

The utility model discloses an arm support and a drill jumbo. The arm support comprises a base, an arm body, a pitching drive and a side-sway drive. The first end of the arm body is connected to the base, and the arm body has a pitch stroke and a side-sway stroke on the base; the first end of the pitching drive is connected to the base, and the second end of the pitching drive is hinged to the arm body through a first hinge point; the first end of the side-sway drive is connected to the base, and the second end of the side-sway drive is hinged to the arm body through a second hinge point; the first hinge point and the second hinge point are both located at the bottom of the arm body. The cantilever crane is applied to the field of rock drilling equipment, the working range of the cantilever crane can be effectively enlarged, and the overall size of the trolley is reduced.