319 results about "Hand pressure" patented technology

A double-mechanism linkage inner supporting and pressing clamp for machining a profiling face of a rear cover of a watch comprises a main body, a product containing block, a piston rod, a piston, a wedge head supporting rod, an inner supporting hand and a pressing block, an air cylinder chamber is arranged at the bottom of the main body, and the piston and a piston part of the piston rod are vertically arranged in the air cylinder chamber in a spaced mode so that the air cylinder chamber can be divided into three air chambers. The wedge head supporting rod is inserted into the air cylinder chamber in a sliding and sealing mode to be connected with the piston, the multiple inner supporting hands are installed on the main body in a sliding mode in different radial directions, and the multiple inner supporting hands make contact with the wedge head inclined face of the top of the wedge head supporting rod at the same time so as to be opened along with upward movement of the wedge head supporting rod to clamp the inner side wall of the watch rear cover; in this way, the clamp can trigger radial horizontal movement and axial vertical movement at the same time, linkage of inner supporting and pressing is achieved, the clamping force of the inner supporting and pressing is not affected, the inner supporting and pressing are driven by the air cylinders, the clamping force of the clamp on products is more reliable, and the clamping phenomenon is avoided; in addition, the two air cylinder mechanisms are combined to share one air chamber, so that the clamp is more compact.

The invention discloses an in-vehicle hidden driver emergency call method, and relates to the technical field of vehicle-mounted safety, and the method comprises the steps: installing a pressure sensor group, and generating a trigger signal when a combined trigger mode of a hand pressure value and a pedal pressure value is detected; analyzing the daily driving behavior data of the driver, and comparing the trigger signal with a pre-stored normal driving behavior mode; when the trigger signal deviates from the normal driving behavior mode and meets a preset emergency trigger threshold value, acquiring passenger information in the vehicle and vehicle driving data, and packaging the passenger information and the vehicle driving data into an emergency information packet; and transmitting the emergency information packet to a background rescue system, and sending an emergency call instruction with the in-vehicle condition after determining whether there is a dangerous person. According to the invention, the agility and safety of emergency response can be improved, the overall emergency response and decision-making capability can be enhanced, and the response timeliness and safety prevention and control level of the in-vehicle emergency call system can be improved.

The utility model relates to a crutch with adjustable height and angle, which comprises a crutch body and a stabilizing component, the stabilizing component is arranged in the crutch body, and the stabilizing component is used for stabilizing the crutch body; and the stabilizing assembly comprises a round cover, a round groove is formed in the round cover, a corrugated sleeve is fixedly connected to the bottom of the round cover, and a bottom plate is fixedly connected to the bottom of the corrugated sleeve. When the bottom of the walking stick body is in contact with the inclined ground, the bottom of the walking stick body can be always parallel to the ground under the running fit of the round ball and the round groove, and even if the walking stick is on the uneven or inclined ground, good contact can be kept, and more reliable support can be provided; according to the walking aid, shaking and unbalance caused by uneven ground when a user walks can be effectively reduced, meanwhile, the reset spring and the corrugated sleeve can provide certain buffering and damping effects in the using process, and the hand pressure of the user is relieved.

The utility model relates to a manual pressing machine for assembling a bushing for an automobile, which belongs to the technical field of mechanical part assembly, and is characterized in that a gear is driven to rotate when a hand pressing rod is pressed downwards, a spring limits the gear to rotate by 0-150 degrees, the gear is meshed with a rack on the right side, the rack is fixed with a sliding strip, and the sliding strip is arranged in a groove-shaped cover in a sliding manner; the sliding strip drives the rack to slide up and down in the groove-shaped cover, the rack penetrates through the bottom of the supporting shell and is fixedly provided with a stamping head, the lower end of the stamping head is provided with a convex pin, and the convex pin can be connected with a steel ball bush in a sleeved mode. A positioning seat is arranged above the supporting base, a groove capable of containing the oil-free bushing is formed in the positioning seat, the steel ball bushing can be connected to the protruding pin in a sleeved mode through downward pressing of the hand pressing rod, the steel ball bushing can be smoothly and accurately pressed into the oil-free bushing, when the hand pressing rod is loosened by a hand, the hand pressing rod is driven to return to the original position through reset of the spring, and the fatigue degree of an operator is relieved. And the assembling speed is high, the working efficiency is high, the assembling period of a single piece is 10 seconds, the punching head can be replaced, and the device is used for assembling bushings with different diameters and is wide in application range.

The invention relates to the field of anti-cutting gloves, in particular to an anti-cutting glove and a preparation method thereof, which are used for solving the problems of insufficient protection performance and poor comfort of the existing anti-cutting glove. The anti-cutting glove comprises a skin-attaching comfortable layer, a cutting-resistant layer and a wear-resistant gum dipping layer, the skin-attaching comfortable layer enables the glove to have excellent comfort and not prone to causing hand pressure, the cutting-resistant layer can effectively improve the cutting-resistant performance of the glove, the cutting-resistant capability of the glove is greatly enhanced, sharp instruments are prevented from easily penetrating through the glove, the hand safety is effectively protected, the wear-resistant gum dipping layer can effectively improve the sealing performance and wear resistance of the glove, and the service life of the glove is prolonged. The durability and the stability of the glove are improved; the anti-cutting gloves prepared by the preparation method not only can effectively protect the safety of hands, but also can keep excellent fitting degree and flexibility even when high-strength operation is carried out, so that an operator can smoothly complete tasks in a complex environment, and the working efficiency and the safety are remarkably improved.

The invention relates to the field of building and can be used in frame and board structures of suspended ceilings. A concealed mounting profile for frame and board structures comprises at least one means for interfacing with a frame and board structure, in which the lower part of said means for interfacing with a frame and board structure has a retaining assembly for receiving an insert in the form of a plate. Said assembly is configured in the form of a retaining wall, the height of which is similar to the thickness of the insert plate, and a supporting platform. The profile is provided with a locking element in the form of a tooth capable of downwardly latching an insert placed in the retaining assembly, thus restricting the upward movement of the insert without hindering the removal thereof from the retaining assembly by hand pressure applied from below. The insert for the profile is provided with holes designed to allow the insertion of a user's fingers therein to enable removal of the insert from the profile by rotation of the insert into a vertical position. The technical result is an increase in resistance to changes in the geometry of the structure of a suspended ceiling having a recess for the concealed mounting of equipment.

The utility model relates to the technical field of hand-pressing punching belt stripping mechanisms, in particular to a hand-pressing punching belt stripping mechanism convenient to operate, which comprises a base, and a hand-pressing punching machine body is arranged at the upper end of the base. Two groups of sliding grooves are symmetrically formed in the upper side of the base, and fixing seats are slidably mounted in the two groups of sliding grooves; a fixed plate is movably mounted at the upper end of the fixed seat; a locking assembly is arranged in the fixing base and used for limiting and locking the position of the fixing plate. In the using process, the fixing base can be pulled out from the upper side of the sliding groove, then a worker can take the blade conveniently, and the arm of the worker is prevented from touching the blade; the height of the fixing plate can be controlled through the arrangement of the locking assembly, so that a worker can conveniently observe the punching condition; and in addition, through the arrangement of the clamping assembly, dies of different specifications can be clamped and fixed.

The invention relates to a multi-modal data driven caregiver training method and device, equipment and a medium, and the method comprises the steps: eliminating the clock deviation of multi-source equipment through the synchronous processing of joint movement, a voice instruction and hand pressure data, and generating a time alignment data set; fusing the nursing action dynamic features and the pressure gradient features by using a time sequence neural network, and constructing a space-time fusion sequence; the joint angle change rate and the pressure parameter are decoded based on a probability model, and an operation continuity index is quantified in combination with time window integration; and finally, identifying weak links of skills according to the mechanical parameter sequence, and matching a clinical standard course library to generate a personalized training instruction. According to the method, the problems of action-instruction collaborative distortion, one-sided single-mode evaluation and feedback disjunction caused by multi-source data time delay are solved, real-time accurate evaluation and immersive adaptive training of nursing operation biomechanical parameters are realized, and the venipuncture stability and the pressure sore prevention force control capability are remarkably improved.

The utility model discloses a needle and medicine combined pestle needle device which comprises a pestle body and a needle body, the top of the pestle body is detachably connected with the bottom of the needle body, a medicine discharging bin is arranged in the pestle body, medicine liquid is stored in the medicine discharging bin, an upper medicine bin is arranged in the needle body, the upper medicine bin and the lower medicine bin are communicated through a suction pipe, and the top of the suction pipe is connected with the input end of a hand pump. The output end of the hand pump is communicated with the inside of the medicine feeding bin, the top of the medicine feeding bin is communicated with the bottoms of the needles, the needles are hollow, compression springs are fixedly arranged in the needles, balls are arranged between the tops of the compression springs and liquid outlets in the tops of the needles, and the diameter of the balls is larger than that of the liquid outlets. The pestle needle effectively solves the technical problem that the friction force between the pestle needle and the skin surface is large during pestle moving, the pestle moving operation difficulty is reduced, and the pestle moving efficiency is improved.

The invention provides a man-machine interaction tactile pressure evaluation method and system, computing equipment and a medium. The method comprises the following steps: acquiring a product virtual model under a digital twin environment pre-established for a real product; the method comprises the following steps: collecting real-time pose information of a real product, and tested hand motion data, man-machine interaction contact point information and pressure data of a contact point in a man-machine interaction process of a tested hand and the real product; mapping and presenting the spatial position of the tested hand in a digital twin system based on the hand motion data; calculating and generating a hand pressure distribution thermodynamic diagram based on the man-machine interaction contact point information and the pressure data of the contact points, and mapping and presenting the hand pressure distribution thermodynamic diagram to the product virtual model; and evaluating the man-machine interaction pressure level of a real product based on the spatial position of the tested hand and the hand pressure distribution thermodynamic diagram which are mapped and presented in the digital twin system.

The utility model relates to the technical field of oil retainer press-fitting tools, in particular to a hexagonal oil retainer press-fitting tool, which comprises positioning pins, a cylindrical positioning piece, a connecting rod, a spring inner compression ring and a spring outer compression ring, the positioning piece is provided with three mounting holes, the positioning pins are mounted in the mounting holes, a groove is arranged in the positioning piece, and the connecting rod is connected with the connecting rod. A groove is formed in the positioning part, an inner pressing ring is slidably installed in the groove and connected with a connecting rod, three through holes are further formed in the positioning part, the connecting rod penetrates through the through holes to be connected with an outer pressing ring, the connecting rod is sleeved with the spring, one end of the spring abuts against the positioning part, and the other end of the spring abuts against the outer pressing ring. According to the hexagonal oil retainer press-fitting tool, quick positioning of the hexagonal oil retainer can be achieved, the hexagonal oil retainer is evenly stressed in the press-fitting process, a sealing ring and the oil retainer cannot be damaged, the installation effect is good, operation is convenient, and both mechanical pressing and hand pressing can be achieved.

The invention discloses an intelligent fishing vessel control system and a control method thereof.The intelligent fishing vessel control system comprises a host, an induction module, a motor, a switch module and a pull rod recognition module, and the host is connected with the induction module, the motor, the switch module and the pull rod recognition module and manages all the modules; the switch module is used for starting and switching fishing modes, regulating and controlling the motor to work in different modes in different fishing modes, and providing power for the fishing reel main body to realize line winding, line unwinding and line moving of the electric fishing reel; the sensing module is used for sensing the hand pressure and regulating and controlling the motor to work at different rotating speeds or different moments according to the pressure; the rod drawing recognition module is used for recognizing the rod drawing posture and the rod raising amplitude of the fishing rod, and when the fishing rod is recognized to be in a fish luring state, the motor is regulated and controlled to output first torque to take up and pay off the electric fishing wheel and move the line to luring fish. The multifunctional requirement in the fishing process is enriched, and meanwhile the fishing experience and the fishing fun of a user are improved.

The invention relates to the technical field of wire and cable processing equipment, in particular to a wire and cable copper wire drawing machine which comprises a machine table and the like, a pay-off device, a fixing plate and a pull rod are sequentially and fixedly mounted on the machine table from left to right, a wire drawing box is slidably connected to the position, close to the pull rod, of the machine table, and a fixed wire drawing module is fixedly connected to a side plate of the wire drawing box; the top end of the wire drawing box is fixedly connected with a lubricating liquid box, a hand pressure valve is installed between the wire drawing box and the lubricating liquid box, the hand pressure valve is connected with the fixed wire drawing module through a liquid pipe, and the hand pressure valve makes contact with the pull rod. Through the cooperative design of the hand pressure valve and the pull rod, automatic conveying control over lubricating liquid is achieved, in the wire drawing process, along with movement of the wire drawing box, the hand pressure valve is automatically opened, the lubricating liquid is accurately conveyed to the position where the wire drawing module is fixed, timely and effective lubrication is provided for a copper wire, and friction and abrasion between the copper wire and the wire drawing module are reduced.

The invention relates to the technical field of intelligent sitting posture correction, in particular to an intelligent humpback-preventing table mat based on multi-mode sensing. A main control unit, a forearm area pressure sensing module, a front edge center infrared distance measuring module, an electrochromic layer, a voice prompt device, a vibration motor and a rechargeable lithium battery are integrated in the body; according to the intelligent humpback-preventing table mat based on multi-mode sensing, standard sitting posture parameters of a user are recorded in a learning mode, bad sitting postures are judged by integrating hand pressure signals with three conditions including the vertical height, the horizontal distance and the body proportion in a monitoring mode, and progressive reminding from vision / touch to voice is triggered. Bad sitting postures such as collapsed sitting, head and neck protraction and overall forward leaning can be comprehensively recognized, missed judgment is avoided, the reminding mode is private and adapts to multiple scenes, different users can be adapted, early warning can be performed to help the formation of sitting posture habits, the integration degree is high, storage is easy, and the applicability and the user experience are greatly improved.

The invention discloses a multi-wire-diameter wire terminal crimping device and a multi-wire-diameter wire terminal crimping method. The device specifically comprises a guide clamping hand, a crimping device, an approaching mechanism and a control module. And a guide clamping hand is arranged at the opening of the crimping device. When the guide clamping hand is closed, a guide-in pipe is formed. And the approaching mechanism is used for driving the guide clamping hand and the crimping device to axially move in the guide-in pipe. And the control module is used for controlling the closed guide clamp to translate at a first stage in the axial direction of the ingress pipe and the opened guide clamp to translate at a second stage in the axial direction of the ingress pipe, and is also used for controlling the crimping device to generate a force for compressing the terminal deformation after the translation is stopped. According to the invention, only one type of guide clamp is needed, and the guide clamp can be suitable for various types of wires.

This invention relates to the technical field of rubber hardness testers, and particularly to a high-precision, fixed-load portable rubber hardness tester, comprising: an outer casing with a mounting shaft coaxially disposed within it; a housing, the lower part of which is axially movable and accommodated within the outer casing; a main shaft axially movable within the housing, one end of which is provided with an indenter; a force-measuring spring assembly acting on the main shaft to provide the main test force for pressing the indenter into the test object; and an indenter foot connected to the lower end of the mounting shaft via a stud, through which the indenter passes. This high-precision, fixed-load portable rubber hardness tester eliminates uneven hand pressure and instrument tilting problems through its fixed-load spring structure. Combined with linear guidance and high-precision displacement detection, it significantly improves the accuracy and repeatability of rubber hardness measurement. Furthermore, it features strong structural adaptability, simple operation, and balances portability with testing stability.

The utility model discloses a hand pressing sealing machine which comprises a shell, a sealing mechanism is arranged on the inner side of the shell, the sealing mechanism comprises a fixing plate fixedly connected to the inner wall of the inner side of the shell, a supporting frame is fixedly connected to the upper end of the fixing plate, a control shaft is movably connected to the inner side of the supporting frame, and the control shaft is fixedly connected to the inner side of the shell. The outer side of the control shaft is fixedly connected with a connecting ring, one end of the connecting ring is movably connected with a regulation and control rod through a rotating shaft, and the rear end of the regulation and control rod is movably connected with a moving rod through a rotating shaft. According to the hand-pressing sealing machine, by rotating the control shaft, the control rod pushes the moving rod downwards, the moving rod compresses the spring, the linkage rod pushes the upper pressing plate to move downwards, the spring rebounds with the help of elastic force, and the purpose that the spring pushes the upper pressing plate to move upwards with the help of the elastic force is achieved; operation steps of workers are reduced conveniently, operation time of the workers is shortened, and work efficiency of sealing objects by the workers is improved.

The invention relates to the technical field of Christmas tree valve replacement maintenance, and discloses a plugging tool for wellhead Christmas tree non-releasing under-pressure valve replacement, which comprises a shell, a limiting sleeve, a second cylinder barrel, a rubber barrel assembly, a guide shoe, a mandrel, a spring, a first cylinder barrel and a piston which are coaxially arranged. When the plugging tool is fed into a pipeline at the front end of a valve, the rubber sleeve assembly can be axially compressed and radially expanded directly through hydraulic pressurization during use, so that when the rubber sleeve assembly and the inner wall of the pipeline are expanded and sealed, pressurization is stopped and a feeding and pressurizing device is subsequently disassembled, a pressure maintaining effect can be achieved under the action of the spring and the elastic force of the rubber sleeve assembly; after the valve is replaced, the rigid piece can be directly used for pushing the core shaft to realize pressure relief and unblocking; the blocking tool can achieve valve replacement operation under pressure, has the advantages of being reliable in sealing and easy to unblock, and is relatively simple in structure and convenient to operate.

The utility model relates to remote controller production equipment technical field especially a mechanical hand pressure maintaining jig feeding and discharging equipment, including the guide mechanism and pressure maintaining mechanism installed on the assembly line, the pressure maintaining mechanism includes the mounting panel, and the mechanical arm, the down pressure subassembly and the pressure maintaining platform are fixedly installed above the mounting panel, among them, the mechanical arm is used for moving the remote controller in the guide mechanism to the pressure maintaining platform, and is down pressure pressure maintaining by the down pressure subassembly, still be provided with the pusher subassembly for pushing the remote controller after pressure maintaining back to the assembly line above the pressure maintaining platform, the utility model discloses through adopting the design of guide mechanism, can realize guiding and positioning to the remote controller on the assembly line, and after positioning, the remote controller is moved to the pressure maintaining platform by the mechanical arm, then pressure maintaining to it through the down pressure subassembly, and after pressure maintaining, the remote controller is pushed back to the assembly line through the pusher subassembly of setting, adopts mechanization operation mode, and the production and processing efficiency is improved significantly.

The invention discloses a paper bin and a printer. The paper bin comprises a bin body, a paper lifting plate, a limiting piece and a first bias piece. The first bias part applies paper lifting force to the paper lifting plate; the paper lifting plate is suitable for moving to a fixed position under hand pressure, and the paper lifting plate is suitable for being detachably connected with the bin body at the fixed position so as to stop. The paper lifting plate is detachably connected with the bin body so that the working state capable of lifting paper can be restored after the paper is placed. The limiting part is movably connected with the bin body and provided with the limiting part, the limiting part is suitable for moving at the limiting position, and when the limiting part is located at the limiting position, the limiting part is located on the paper lifting path of the paper lifting plate, so that when the paper bin is pulled out, residual paper or the paper lifting plate abuts against the limiting part under the action of the first bias pressing part. However, when the limiting part is located at the limiting position, the user can be prevented from placing the paper on the paper lifting plate, so that the limiting part is further suitable for moving at the paper placing position, and when the limiting part is located outside the paper lifting path of the paper lifting plate at the paper placing position, paper placing is not stopped, and operation is more convenient.

The embodiment of the present invention discloses a hand-pressed coffee machine, which includes: a machine body, a container is arranged on the upper part of the machine body, a brewing chamber is formed on the lower part of the machine body, a through hole connecting the container and the brewing chamber is formed in the middle part of the machine body, a water-insertion needle is arranged in the through hole, and a one-way valve assembly is arranged between the container and the water-insertion needle or in the water-insertion needle; the bottom of the container has a connecting hole connected to the water-insertion needle and is provided with a heating element for heating liquid; a hand-pressed pump is arranged in the container, and the upper part of the hand-pressed pump extends out of the container; the lower part of the hand-pressed pump has a joint valve, which is arranged in the connecting hole of the container, and has a water inlet connected to the container and a water outlet connected to the water-insertion needle; a coffee box is arranged in the brewing chamber. The hand-pressed coffee machine of the embodiment of the present invention has a clever design, a simple principle, convenient operation, and stable function. In addition, due to the heating function, its portability is greatly improved; there is no need to carry a container for storing hot water or a machine for heating water.

The utility model discloses a rectangular plate-shaped workpiece positioning mechanism which comprises a plurality of first positioning pieces and a plurality of second positioning pieces, part of the first positioning pieces are arranged at intervals in the transverse direction so as to abut against the side wall of one long edge of a plate-shaped workpiece, and the other part of the first positioning pieces are arranged at intervals in the longitudinal direction so as to abut against the side wall of the other long edge of the plate-shaped workpiece. The pressing plate is pressed against the side wall of a short edge of the plate-shaped workpiece; the multiple second positioning pieces are each provided with a telescopic structure, and part of the second positioning pieces are arranged at intervals in the transverse direction and correspond to the first positioning pieces arranged at intervals in the transverse direction in a one-to-one mode so that the second positioning pieces can abut against the side wall of the other long edge of the plate-shaped workpiece. The glass plate positioning device has the advantages that a glass plate can be positioned, it is guaranteed that the glass plate and cut small square glass sheets cannot move in the process that the glass plate is cut into pieces, the situation that the glass plate is positioned in a manual hand pressing mode is avoided, the safety of workers is guaranteed, and the positioning effect is also improved.

The utility model provides a handle for cookware, and belongs to the technical field of cookware. The problem that a handle and a pot body are prone to loosening in the using process due to the fact that unlocking operation is simple is solved. A clamping opening is formed in the lower side of the front end of the body, one end of the hand pressing handle is hinged to the interior of the lower side of the body, the hand pressing handle can swing into the body around a hinge point to enable the clamping opening to contract in the front-back direction, a stirring piece is hinged to the interior of the body, and when the stirring piece rotates, the hand pressing handle can be pushed to swing towards the exterior of the lower side of the body around the hinge point to enable the clamping opening to be enlarged in the front-back direction. The shifting piece is provided with a stress part, the stress part is located in the body, two unlocking pieces are slidably connected in the body in the width direction, the two unlocking pieces are located on the two sides of the stress part in the width direction of the body, the two unlocking pieces are partially located on the outer side of the body, and the two unlocking pieces can make contact with the stress part at the same time when getting close to each other and push the stress part to enable the shifting piece to rotate. The handle has the advantages that the handle is not easy to be mistakenly operated and is not easy to loosen from the pot body in the use process.

The embodiment of the utility model relates to the technical field of electronic cigarettes, in particular to a hand pressure power generation electronic cigarette with a fingertip spinner structure. The electronic cigarette comprises a shell, a power generation assembly, a gyro mechanism and a heating assembly. The power generation assembly comprises a power generation unit and a power storage unit which are electrically connected; the power generation unit comprises a pressing handle, a transmission mechanism, an inertia weighting flywheel and a generator, the pressing handle is fixed to the first side wall of the shell through a torsional spring shaft, the pressing handle, the transmission mechanism, the inertia weighting flywheel and the generator are located in the shell, the pressing handle is connected with the transmission mechanism, and the inertia weighting flywheel is connected with a rotor of the generator; the gyro mechanism comprises gyro blades arranged on the outer surface of the shell and rotationally connected with the shell and a central rotating disc, the gyro blades are arranged around the periphery of the central rotating disc, and the central rotating disc is fixedly connected with the inertia weighting flywheel. According to the electronic cigarette, the problem of electric energy dependence of a traditional electronic cigarette can be solved, and meanwhile higher interactivity and personalized experience can be brought to a user.

The utility model discloses a newborn airway opening auxiliary appliance which comprises an airway opening clamp and a connecting straight handle, the connecting straight handle is arranged at the tail end of the right side of the airway opening clamp, a supporting pull plate is installed on the outer surface of the connecting straight handle, and a connecting straight plate is installed on the supporting pull plate in a penetrating mode. And the connecting straight plate is attached to the outer surface of the connecting straight handle, a positioning square block is arranged on the outer surface of the connecting straight plate, and an extrusion connector is installed at the left end of the connecting straight plate. According to the newborn airway opening auxiliary tool, when a user operates the newborn airway opening auxiliary tool, after a supporting pulling plate is pulled by a hand, a hand pressing frame is pressed by a palm, so that the hand pressing frame conveniently drives an extrusion connector to extrude an airway opening clamp through a connecting straight plate, and the airway opening clamp is closed; and the opening angle of the airway opening clamp can be controlled, so that the following long-time opening auxiliary operation of extending into the airway of the newborn is facilitated.

The utility model discloses a delayed tool lowering mechanism for a tool bit of a dry-method small-scale test machine, and relates to a synthetic leather production technology, in particular to the delayed tool lowering mechanism for the tool bit of the dry-method small-scale test machine, which comprises a dry-method small-scale test machine main body. And a plurality of groups of unwinding wheels and winding wheels are arranged on the small-scale test platform at the front end and are used for paper winding operation. A coating tool bit driven by an air cylinder is arranged between the multiple sets of unwinding wheels, and the air cylinder is controlled by an operation platform on one side of the dry-method small-scale test machine. A delay time relay is additionally arranged in the electric connection of the cylinder and the operation platform, and buzzers are installed at the left and right ends of the small-scale test platform and are electrically connected with the operation platform. The buzzer is started when the operating platform drives the motor, and the air cylinder is started to drive the coating tool bit after a fixed time is delayed through the action of the delay time relay. The probability of a paper jam event and an auxiliary operator hand pressing accident is effectively reduced, and the operation safety is improved. And the coating is more uniformly attached to the paper, so that the coating quality is improved.

The utility model discloses a drill hole double-plug water pressure test device suitable for irregular hole walls, which comprises a drill rod main body, an internal thread pipe and a hand pump, the internal thread pipe is sleeved with an annular air bag, the lower end of the internal thread pipe is provided with a water outlet pipe, the upper end of the water outlet pipe is in threaded connection with the internal thread pipe, the water outlet pipe is provided with a plurality of water outlet holes, and the hand pump is connected with the water outlet pipe. A threaded sleeve is arranged at the lower end of the water outlet pipe and is in threaded connection with the bottom end of the water outlet pipe, a fixing base is installed at the bottom end of the threaded sleeve, a blocking air bag is installed at the bottom of the fixing base, a connecting hose is communicated between the blocking air bag and the annular air bag, and an air conveying pipe is communicated with the annular air bag; one end of the air delivery pipe away from the annular airbag is fixedly connected with the air outlet end of the hand pump. The device has the beneficial effects that the device is convenient to disassemble and assemble, the size of the device is reduced after the device is disassembled, the device is convenient to store and carry, the water pressure test operation is simpler and more convenient, and the working efficiency is improved.

The invention discloses an auxiliary positioning device for whole body CT scanning in the technical field of medical instruments, which comprises a bed body, a telescopic assembly is arranged on the bed body and is used for adjusting the area of the top wall of the bed body, a test plate is in sliding fit with the top wall of the bed body, a measuring scale is arranged on the telescopic assembly, and a headrest is further arranged on the top wall of the bed body. The headrest comprises a shell and a hand air pump, a plurality of supporting rods are in sliding fit with the side wall of the shell, a first air bag is fixedly connected to the inner side wall of the shell, a cavity is formed in the side wall of the first air bag, a plurality of particles are arranged in the cavity and are all made of non-metal materials, and the hand air pump is used for adjusting the size of the first air bag. The body height information acquisition device is used for quickly acquiring body height information of a patient before whole-body CT scanning, so that medical staff are assisted in quick positioning.