259results about How to "Reduce space occupancy" patented technology

The invention relates to the technical field of automobile parts, in particular to an automobile small table plate structure which comprises a shell, a table top, a table top and a table top cover. The base is connected into the containing groove in a sliding mode in the vertical direction; the table plate assembly is arranged on the base; the lifting assembly comprises a pulley piece, a driving piece and a locking rope, and the pulley piece and the base are both arranged on the shell; the pulley piece is located above the base, and the driving piece is located below the pulley piece. One end of the locking rope is connected with the base or the table plate assembly, the other end of the locking rope bypasses the pulley piece and is connected with the driving piece, and the driving piece is used for winding the locking rope and driving the base to move upwards so as to push the table plate assembly out of the containing groove. The technical problems that an existing small lifting table board adopts a mode that an air cylinder is matched with a push rod structure to drive a table board assembly, the stroke is insufficient, the table board assembly cannot move upwards in place easily, and user experience is affected are solved.

The invention relates to the technical field of eutectic, in particular to a binding head assembly, eutectic equipment and a chip mounting method.The binding head assembly comprises a driving assembly, a suction nozzle assembly and a visual assembly, and the suction nozzle assembly is arranged at the output end of the driving assembly and comprises a suction nozzle base, a suction nozzle, a first transparent part and a second transparent part; a through hole is formed in the suction nozzle seat, and the visual assembly is aligned with the through hole; the suction nozzle is arranged at one end of the through hole, and the first transparent part is arranged at the other end of the through hole and seals a port of the through hole; a penetrating adsorption channel is formed in the suction nozzle and communicated with the through hole, and an air path connecting hole is formed in the inner wall of the through hole; the suction nozzle is further provided with a perspective observation window, the observation window and the adsorption channel are arranged in a spaced mode, projection is conducted in the axial direction of the through hole, and the projection of the observation window is located in the projection of the through hole. The binding head assembly provided by the invention can be used for carrying out high-precision positioning on a plurality of chips in the eutectic mounting process.

The invention provides a universal Bipod vibration isolation assembly. The universal Bipod vibration isolation assembly comprises a driving supporting leg, a feedback control device, a spring damping vibration isolator, a passive vibration isolation support, a base, an unlocking gasket and an external cover plate. The bottom of the spring damping vibration isolator is installed in the passive vibration isolation support, the external cover plate is installed on the top of the spring damping vibration isolator, and one or more unlocking gaskets are detachably installed between the external cover plate and the passive vibration isolation support. The two driving supporting legs are installed on the two sides of the passive vibration isolation support respectively, the other ends of the driving supporting legs are installed on the base, and the two feedback control devices are installed on the external cover plate and in the driving supporting legs respectively in the axial direction of the two driving supporting legs. Two-degree-of-freedom vibration isolation can be achieved by connecting the dual-drive supporting legs with the spring damping vibration isolators in series; a plurality of vibration feedback control modes are provided through the combination of a force sensor and an accelerometer; the vibration isolation assembly has two vibration isolation states through the unlocking gasket, the requirement for installation precision is low, and the space occupancy rate is small.

The grain recovery device comprises a material receiving mechanism arranged below a peeling roller, a metal feeder is arranged at the lower end of the material receiving mechanism, a hose feeder is arranged at the position of the feeding tail end of the metal feeder, and the hose feeder is connected with the metal feeder. A recovery tank with an opening in the top is arranged at the feeding tail end of the hose feeder, and seeds are conveyed into the recovery tank through the hose feeder. By arranging the material receiving mechanism, the metal feeder, the hose feeder and the recovery tank, seeds falling after peeling can be recovered and transferred, and the seed recovery tank is mounted at an unobstructive position on the rack, so that the space occupancy of equipment can be saved, the influence on the mounting of other mechanisms on the rack is avoided, and the production efficiency is improved. According to the grain recycling device, the grains are uniformly recycled into the recycling tank, the impurity removal requirement can be met only by assembling a small fan, therefore, the space is further saved, and the grain recycling device is low in cost and high in cost performance.

The invention belongs to the technical field of aircrafts, and discloses a rotor wing tilting mechanism of an electric vertical take-off and landing aircraft, comprising: a housing comprising an end plate and two side plates; the two side plates are oppositely arranged, one ends of the two side plates are connected to the two ends of the end plate correspondingly, and a containing cavity is defined by the end plate and the two side plates; the electric push rod mechanism is arranged in the accommodating cavity; one end of the electric push rod mechanism is rotationally connected with the end plate; the two tilting arms are arranged at the other ends of the side plates and are in one-to-one correspondence with the positions of the two side plates; the two ends of the tail push tilting rod are fixedly connected with one ends of the two tilting arms respectively; wherein the push rod is rotationally connected with the tail push tilting rod; the rotor power motor is fixedly connected to the other ends of the two tilting arms through a connecting seat; wherein the tilting arms are connected with the corresponding side plates through rotating shafts respectively; the push rod can push the tilting arm to rotate when stretching out and drawing back, so that the rotor power motor is driven to rotate, and rotor tilting is achieved.

The invention discloses a magnetic coupling structure with an anti-offset characteristic, a method and a wireless power transmission system. The magnetic coupling structure comprises a transmitting end and a receiving end, a receiving coil is of an axial symmetry structure and is divided into an inner receiving coil and an outer receiving coil, and the outer receiving coil is formed by sequentially connecting four sub-coils with the same size in series; the four sub-coils are arranged along the circumference and define an inner receiving coil placing area, an inner receiving coil is arranged in the inner receiving coil placing area, and the inner receiving coil and the outer receiving coil can be decoupled mutually due to the winding mode and the space structure of the inner receiving coil and the outer receiving coil. When the receiving end and the transmitting end generate relative position offset, the mutual inductance fluctuation of the system can be maintained in a small range. According to the wireless electric energy transmission system formed by the magnetic coupling structure, an LCC-S compensation topological structure is adopted, the inner receiving coil and the outer receiving coil are connected in series after passing through respective full-bridge rectifier filters, voltage output superposition complementation can be achieved, and the stability of the total output voltage is guaranteed.

The present invention discloses a chipless pipe end cutting machine and an application method, wherein the pipe end cutting machine comprises a workbench, a first pipe end processing mechanism and a conveying and cutting mechanism; the first pipe end processing mechanism is installed on the workbench, and is used for processing the pipe end of one end of a pipe fitting to be processed; the conveying and cutting mechanism comprises a cutting device, a clamping device and a conveying device, the cutting device and the clamping device are movably installed on the workbench through the conveying device, the clamping device is used for clamping the pipe fitting to be processed, and under the drive of the conveying device, the clamping device conveys the pipe head of the pipe fitting to be processed to the processing station of the first pipe end processing mechanism, and the cutting device performs notching processing on the outer circumference of the pipe body of the pipe fitting to be processed; through the above structure, the pipe fitting to be processed can complete cutting processing and pipe end processing at the same time, simplifying the processing procedure, shortening the production time, reducing the cost, and improving the production efficiency; in addition, the overall structure of the pipe end cutting machine is also effectively simplified, making the overall structure of the pipe end cutting machine more compact and reducing the space occupancy rate.

The invention relates to the technical field of vibration and noise reduction, in particular to a thickness-enhanced spiral acoustic black hole structure and an annular rib cylindrical shell, which comprise a spiral curling part and a mounting piece for mounting the spiral curling part on a structure to be subjected to vibration reduction, the spiral curling part comprises an extension thickness enhancing part, a damping part and a one-dimensional acoustic black hole batten with the gradually-changed thickness, the damping part is tightly attached to the inner ring wall of the extension thickness enhancing part, and the inner end of the damping part is flush with the inner end of the extension thickness enhancing part; the outer end of the extending and thickness-enhancing part is connected with the end part of the mounting piece, a one-dimensional acoustic black hole batten is tightly attached to the inner ring wall of the extending and thickness-enhancing part between the outer end of the damping part and the end part of the mounting piece, and the thicker end of the one-dimensional acoustic black hole batten is connected with the end part of the mounting piece; and the thinner end of the one-dimensional acoustic black hole batten is connected with the damping part. According to the invention, low-frequency vibration reduction and broadband vibration reduction can be realized at the same time under the condition of relatively low space occupancy.

The utility model discloses a multi-station pipe end cutting-off all-in-one machine for pipe fittings. The multi-station pipe end cutting-off all-in-one machine comprises a workbench, and a feeding mechanism, a clamping mechanism, a cutting mechanism and a multi-stage reducing pipe end mechanism which are sequentially fixed on the workbench in the first direction. The device is compact in overall structure and low in space occupancy rate, integrates automatic fixed-length feeding, multi-stage variable-diameter expanding and necking operation and automatic cutting of formed to-be-machined pipe fittings, can achieve continuous machining and one-time forming of the to-be-machined pipe fittings, shortens production time, reduces cost and improves production efficiency; in addition, the safety performance of the device is greatly improved, the situation that dust and high-temperature scrap iron are diffused to the environment to cause harm to the body health of operators is avoided, and the situation that pipe fittings drift or fly out in the cutting process to cause accidental injury to the operators is avoided.

The invention discloses efficient cellucotton production equipment, and relates to the technical field of cellucotton production. The efficient cellucotton production equipment comprises a bottom frame, a melting and blowing mechanism is installed in the middle of the upper side of the bottom frame and used for melting quartz lines and blowing the quartz lines into quartz wool, a plurality of conveying mechanisms are evenly arranged on the surface of the upper side of the bottom frame with the melting and blowing mechanism as the circle center and around the melting and blowing mechanism at equal angles, and the conveying mechanisms are the same in structure; the conveying mechanism is used for conveying the quartz rods and comprises a conveying roller, the front end and the rear end of the conveying roller are rotationally connected with a support fixedly connected to the bottom frame respectively, a rotating rod is arranged on the upper side of the conveying roller in parallel, and the front end and the rear end of the rotating rod are rotationally connected with the corresponding positions of the support respectively; the position of the contact point of the pressing roller is automatically adjusted according to the diameter of the conveyed quartz rod, the pressing roller is tightly attached to the quartz rod in the whole process, and therefore it is guaranteed that the quartz rod is effectively conveyed by the conveying roller, and the quartz rod does not need to be independently adjusted.

The invention discloses an ear clip type Bluetooth earphone, and relates to the technical field of electronic equipment.The earphone comprises a first clamping part and a second clamping part, a mainboard is arranged in the first clamping part, a clamping space is formed between the second clamping part and the first clamping part, the second clamping part is rotationally connected with the first clamping part through a rotating assembly, and the first clamping part is connected with the second clamping part through a rotating assembly; the second clamping part rotates relative to the first clamping part to adjust the clamping space, an antenna circuit and an antenna feeding point connected to the antenna circuit are arranged on the main board, and the rotating assembly is electrically connected with the antenna circuit through the antenna feeding point. According to the Bluetooth wireless antenna, the rotating assembly is used as the radiator of the Bluetooth wireless antenna, so that the material quantity of a product is reduced, the material cost of the product is reduced, the compactness and the integrity of the whole machine are improved, the structure requirement of a narrow space in an earphone is met, and the equipment product can be further designed to be miniaturized and light.

The invention relates to a joint module for a robot and the robot, and the joint module comprises an outer rotor motor which is provided with a hollow area; the planetary reducer is coaxially connected with the outer rotor motor, and the outer rotor motor can output power outwards through the planetary reducer; the first encoder is arranged in the hollow area of the outer rotor motor and is used for detecting output motion parameters of the outer rotor motor; the inner core shaft is arranged in the planetary reducer and the outer rotor motor and comprises a first end part connected with the planetary reducer and a second end part penetrating into the hollow area of the outer rotor motor; and the second encoder is arranged in the hollow area of the outer rotor motor and can detect output motion parameters of the planetary reducer through the inner core shaft. The joint module has the advantages of being compact in structure, small in occupied space, high in control precision, high in power output and the like.

The invention discloses a mountain tunnel arch frame mounting device which comprises a frame vehicle, a screw rod is rotatably mounted at the bottom of the side end face of the frame vehicle, a base is mounted on the outer side of the screw rod through threads, a position adjusting seat is rotatably mounted on one side of the top end of the base, a machine base is slidably mounted at the top of the position adjusting seat, and guide rails are symmetrically mounted on the side end face of the position adjusting seat. According to the device, gravity can be converted into driving force, energy consumption in the arch frame installation process is reduced, the energy-saving and environment-friendly performance of the device is improved, the flexibility of installation work is improved, double alignment correction can be conducted on a side arch and an arc-shaped arch frame, and the device has the advantages of being simple in structure, convenient to use and high in practicability. The alignment accuracy and the fitting property with the side wall of the tunnel are improved, so that the assembling and connecting work of the side arch and the arc-shaped arch frame is more efficient, convenient and flexible, the safety and reliability of arch frame installation are fully improved, and the supporting effectiveness of the arch frame is improved.

The utility model discloses a bilateral flat plate fixed type inclined 2.5-dimensional X-RAY detection machine which comprises an objective table device, an x-ray receiving device arranged above the objective table device, and an x-ray transmitting device arranged below the objective table device, the x-ray receiving device comprises a mounting rack and a mounting cross beam connected between the two ends of the mounting rack; the two ends of one side of the installation cross beam are each connected with a first fixing plate, and one side of each first fixing plate is further provided with an x-ray receiving mechanism. According to the utility model, a double-inclined flat plate fixed structure is adopted, redundant components are simplified, and the whole structure is simplified, so that the space occupancy rate of equipment is effectively reduced, the layout of the whole machine is compact and exquisite, and a more flexible and efficient solution is provided for site planning and equipment deployment of industrial production.

The utility model relates to the field of digital product auxiliary parts, in particular to a magnetic absorption data line with a silica gel layer. In order to solve the problem that a data line is inconvenient to store, the data line is messy in a storage state, not only occupies a larger storage space, but also is inconvenient to use. The data line body is sleeved with the silica gel sleeve layer, the data line body can be protected, damage to the surface of the data line body is avoided, the magnetic attraction assembly is arranged on the surface of the silica gel sleeve layer, the two storage blocks are matched, and the clamping sleeves are arranged in the clamping grooves formed in the surfaces of the storage blocks; the data line bodies are arranged between the storage blocks in a U-shaped structure through the magnetic attraction blocks mounted on the surface of the clamping sleeve, so that the storage attractiveness of the data line bodies is improved, the space occupancy rate is reduced, use and storage are convenient and simple, and the use experience is good; and in the using process, the two storage blocks can be further fixed, and the stabilizing effect is further improved.

The present invention provides a construction equipment cab lifting device, including an inner scissor frame, an outer scissor frame and a driving mechanism; the inner scissor frame and the outer scissor frame are hinged to form a scissor mechanism, and the driving mechanism is arranged at the hinge of the inner scissor frame and the outer scissor frame, for realizing relative rotation between the inner scissor frame and the outer scissor frame; the driving mechanism includes a driving motor and a reducer connected to the output shaft 1 of the driving motor; the output shaft 2 of the reducer is inserted into the hinge of the inner scissor frame and the outer scissor frame. The present invention forms a scissor mechanism by hingedly connecting the inner scissor frame and the outer scissor frame, which is easy to install and has a small space occupancy rate; the driving motor and the reducer cooperate to control the lifting speed of the scissor mechanism, provide lifting power for the scissor mechanism, and have the advantages of low working noise, high control accuracy and no oil pollution.

The present application relates to the technical field of transport box, and discloses a transport box for egg circulation, which comprises a box body, a bottom plate arranged under the box body and used for supporting egg trays, a locking member movably arranged on the bottom plate and having a locking state and an unlocking state, a pushing assembly in transmission connection with the locking member, and a driving assembly used for driving the pushing assembly to move and switch the locking member between the locking state and the unlocking state. When the locking member is in the locking state, the box body is fixed relative to the bottom plate. When the locking member is in the unlocking state, the box body can be separated from the bottom plate. The transport box for egg circulation can realize overall loading and unloading through the separable design of the bottom plate and the box body. When loading, all the trays can be stacked on the bottom plate, and then the box body is buckled. When unloading, the box body can be lifted to expose the trays integrally, so that the loading and unloading time is greatly shortened, and the transport box is suitable for cooperation with automatic handling equipment and can realize rapid and batch circulation.

The invention relates to the technical field of rana nigromaculata slaughtering, in particular to a rana nigromaculata slaughtering machine. Comprising a rack, and a supporting plate, a rolling belt, a blade, a viscera removing piece, a conveying belt, a push rod, a pneumatic clamping jaw, a head removing blade and the like are arranged above the rack; the lower portion of the supporting plate is driven by a rolling motor, so that the rolling belts on the two sides rotate at the same rotating speed. The rana nigromaculata is clamped by the rolling belts on the two sides and conveyed along a straight line, belly opening and viscera removing operation is sequentially completed, then the rana nigromaculata is conveyed to the baffle through the conveying belt to be subjected to peeling and head removing, the rana nigromaculata is pushed out through the push rod after peeling and head removing are completed, and continuous slaughtering of the next rana nigromaculata is achieved circularly. The device has the advantages of short time consumption, high efficiency, low labor cost, small operation difficulty, small occupied area, simple structure, high automation degree and the like, can meet the large-scale slaughtering requirements of rana nigromaculata, and has a good application prospect.

The utility model discloses an integrated service cash register counter belongs to cash register counter technical field, including the cabinet body and money box of cash register counter, money box sets up in the cabinet body, the cabinet body is provided with first cabinet door, has seted up the mounting port on the first cabinet door, the mounting port is opposite money box, has seted up the fixed mouth on the cabinet body, the fixed mouth is detachably connected with the supporting plate in, the supporting plate is above money box, a plurality of fastening screws are threadedly connected on the supporting plate, the fastening screw is threadedly connected on the fixed mouth, has seted up the fixed groove on the fixed mouth, the fixed groove is connected with the fixed plate, the fixed plate is clamped in the fixed groove, the fixed plate has seted up the mounting hole, the mounting hole is above the supporting plate, has seted up the code scanning gun fixed orifice on the fixed plate, the utility model has the advantage that increases the stability of cash register screen on cash register counter.

According to the top heat dissipation type liquid cooling container and the application control method thereof, the cooling tower container top arrangement design is adopted, a CDU module is omitted, the overall cost is reduced, more Tanks can be deployed in the spare space after the CDU module is omitted, and the computing power of a single liquid cooling container is greatly improved. The cooling tower is compact in structural form, low in space occupancy rate, higher in integration degree and good in universality and reliability, and the ground space of the cooling tower is saved. After a certain cooling tower fails, normal operation of other devices is not affected, and the disaster recovery capacity is improved. The cooling tower and the Tank carry out heat exchange one by one, the heat dissipation efficiency is higher, the number of water cooling pipelines is smaller, and the integration degree is higher.

The utility model relates to the field of building intercom extension sets, in particular to an anti-disassembly structure of an indoor unit, which comprises a board back hanger, an upper cover, a lower cover, a bottom box, a magnet block and a PCB (printed circuit board), a positive pole pogo pin spring thimble and a negative pole pogo pin spring thimble are welded on the PCB, the lower cover is butted with the bottom box by adopting a buckle structure, and the magnet block is arranged on the PCB. The bottom box is further provided with a plurality of heat dissipation holes, the positive electrode pogo pin spring ejector pins and the negative electrode pogo pin spring ejector pins make contact with the metal galvanized plate back hanging frame to conduct electricity to form a loop, the double functions of product installation and fixing and anti-disassembly early warning can be achieved, the space occupancy rate is small, application can be flexibly achieved according to the thickness of a product, universality is high, and assembly is convenient and attractive.

The utility model provides an integrated slide scanning device with a material preparation tower, which comprises a support frame, the support frame is provided with a rotatable slide preparation tower, the slide preparation tower is provided with a plurality of unit cabinets along the circumferential direction, each unit cabinet is provided with a plurality of placing grooves along the height direction, the placing grooves are used for placing slide clamps, one side of the slide preparation tower is provided with an integrated scanning cabinet, and the integrated scanning cabinet is provided with a plurality of slide clamps. The integrated scanning cabinet is provided with a plurality of layers in the height direction, each layer is provided with a plurality of containing bins, the containing bins are used for containing slide scanners, a slide transferring mechanism is arranged between the slide preparing tower and the integrated scanning cabinet and comprises a linear lifting module and a multi-joint swing arm, the linear lifting module drives the multi-joint swing arm to ascend and descend, and the linear lifting module drives the multi-joint swing arm to ascend and descend. A clamping jaw is arranged at the end part of the multi-joint swinging arm and is used for clamping a slide clamp; the problems that a traditional integrated scanning matrix is large in size and high in cost are solved.

The present invention relates to the technical field of fire rescue devices, and specifically discloses a bathroom fire self-rescue cabin, including a hardware frame and a decorative plate, a mounting cavity is formed between the hardware frame and the decorative plate, a fireproof folding cabin is installed in the mounting cavity, the hardware frame is installed on the top of the bathroom, the fireproof folding cabin can be unfolded downward and folded upward, and a fireproof and heat-insulating inner cavity for accommodating escapees is formed inside the unfolded fireproof folding cabin, an opening is provided at the lower end of the hardware frame, the decorative plate is installed at the lower end of the hardware frame, the decorative plate includes a left decorative plate and a right decorative plate, the left decorative plate is installed on the left side of the lower end of the hardware frame, and the right decorative plate is installed on the right side of the lower end of the hardware frame, the left decorative plate and the right decorative plate are both magnetically connected to the hardware frame through a first magnetic strip, and the left decorative plate and the right decorative plate are both provided with a pull rope and / or a handle. The present invention has a simple structure, is easy to use, and has a small space occupancy rate. When a fire occurs, people can hide in it and wait for rescue to ensure life safety.

The utility model discloses a medical beauty bed convenient to store, which belongs to the technical field of medical beauty instruments and equipment, and comprises a main body convenient to move and a movable plate for storing and folding the medical beauty bed, the top of the main body is propped against a bed plate convenient to adjust and lift, and the top of the main body is provided with a mounting groove convenient to fix; two driving motors for providing power are arranged on the inner side wall of the mounting groove, output shafts of the two driving motors are connected with a reverse double-threaded rod, the other end of the reverse double-threaded rod is rotationally connected with the inner side wall of the mounting groove, the reverse double-threaded rod is in threaded connection with two threaded blocks convenient to move, and the tops of the two threaded blocks are rotationally connected with a connecting plate; the two connecting plates are rotationally connected through an arranged connecting shaft, the other ends of the connecting plates are rotationally connected with sliding blocks, the sliding blocks are in sliding connection with sliding rails, and the sliding rails are arranged at the bottom of the bed board. The height of the device can be adjusted, the device can be folded, an operator can use the device conveniently, and the practicability of the device is improved.

The utility model provides a kind of domestic portable splicing power module, it is related to power module technical field, comprising: shell, shell is located inside and is equipped with multiple battery packs, multiple battery packs top are equipped with detection device, and multiple battery packs top are respectively fixed with two connecting ends, and battery pack bottom is equipped with splicing hole for use in conjunction with two connecting ends, shell top is detachably connected with sealing cover.This kind of power module is spliced to battery pack by splicing assembly, and splicing process is easy to operate and understand, reduces professional requirement, improves assembly efficiency, and battery pack is split into several small battery modules, so that voltage and current are minimized, reduce the risk in assembly splicing process, secondly, portable component can conveniently carry power module for people, photovoltaic power generation panel is stored in shell both sides, reduce space occupancy, cooperate with handle to facilitate carrying and storing power module outside.

The invention relates to a linear arrangement type DOD ink-jet printing production line which comprises a rack, an upstream card processing device, a downstream card processing device, two sets of DOD ink-jet printing devices and a conveying device. The conveying device comprises an upstream card conveying module, a downstream card conveying module and a card transfer conveying module; a card turnover mechanism is arranged in the card transfer conveying module; the DOD ink-jet printing device comprises a DOD ink-jet printing module and a card transferring and carrying module, wherein the card transferring and carrying module is used for carrying cards in an upstream card conveying module / a card transferring and conveying module to the DOD ink-jet printing module; the card transferring and carrying module comprises a card carrying mechanism and a card transferring mechanism; the card carrying mechanism comprises a carrying seat and a card carrying driving mechanism; and the carrying seat is positioned above the upstream card conveying module / card transfer conveying module. The linear arrangement type DOD ink-jet printing production line is higher in production efficiency, more compact in structure and lower in manufacturing cost.

The present disclosure relates to a storage system and a storage method. The storage system includes a support platform and a pick-and-place mechanism. The bottom of the support platform forms a first storage area for storing target objects, and the top of the support platform forms a second storage area for storing target objects; a docking port connecting the second storage area and the first storage area is provided on the support platform; the pick-and-place mechanism is constructed to move to the position of the docking port in the second storage area, and transfer the target objects between the first storage area and the second storage area through the docking port. A docking port connecting the first storage area and the second storage area is provided on the support platform, and compared with the equipment or structures such as elevators, conveyor belts or ramps in the prior art, the space occupancy rate of the docking port is smaller and the cost is lower. The pick-and-place mechanism can realize the transfer of target objects between the first storage area and the second storage area through the docking port, which reduces the time for changing layers of the target objects and improves work efficiency.

The utility model relates to the technical field of elevators, and provides an H-shaped elevator portal frame which comprises a transverse top frame, a car bottom beam and two vertical frames, and an elevator car is used for being installed between the car bottom beam and the two vertical frames; a mounting frame is arranged between the transverse top frame and the elevator car and provided with a rope wheel used for being connected with a steel rope. A mounting piece is arranged between the mounting frame and the transverse top frame, and the mounting frame is detachably mounted on the transverse top frame through the mounting piece. According to the H-shaped elevator portal frame, the space occupancy rate of the rope wheels can be reduced.

The utility model provides a pressing main body and a cardio-pulmonary resuscitation machine, and the pressing main body comprises a supporting assembly which is provided with a mounting cavity; a driving assembly; the transmission assembly comprises a lead screw, a nut and a transmission sleeve, the lead screw is rotationally assembled to the supporting assembly, the nut and the lead screw are assembled in a screwed mode, one end of the transmission sleeve is fixed to the outer side of the nut, and the other end of the transmission sleeve extends out of the mounting cavity; the limiting assembly comprises a limiting seat and a limiting shaft, the limiting seat is fixed to the outer side of the nut, the limiting shaft is fixed to the supporting assembly and is parallel to the lead screw, and the limiting seat is assembled to the limiting shaft in a sliding mode; the pressing assembly is fixed to the end, stretching out of the mounting cavity, of the transmission sleeve. And the control assembly is electrically connected to the driving assembly. The driving assembly drives the pressing assembly to move up and down through the lead screw, the nut and the transmission sleeve, the structure is simple, and the transmission efficiency is high. Moreover, the limiting seat and the limiting shaft are arranged for guiding, the structure is compact, and the occupied space is extremely small, so that the space occupancy rate is reduced, and the weight of the whole machine is reduced.