74results about How to "Realize the separation function" patented technology

The invention provides a small-size quickly separated firer-unlocking bolt. The small-size quickly separated firer-unlocking bolt comprises an unlocking bolt main body (1), a sealing ring (2) and a semiconductor bridge-type pressure cartridge case (3). In the small-size quickly separated firer-unlocking bolt, a semiconductor bridge firing element is adopted as a firer connection and separation mechanism of the firing element; the whole axial length of the small-size quickly separated firer-unlocking bolt is 60 to 65 millimeters, and the radial size is less than or equal to 16 millimeters; the separation time of the small-size quickly separated firer-unlocking bolt is 1.0 to 1.1 microseconds, the separation synchronism is 0.10 to 0.15 microseconds, and the connection bearing capacity is 21 to 25kN. The small-size quickly separated firer-unlocking bolt has the characteristics of small structural size, short separation time, high synchronism, low firing energy and the like; a safe, quick and synchronous separation function of the interstage of a spacecraft can be realized; the small-size quickly separated firer-unlocking bolt can be directly applied to interstage separation systems of the spacecrafts such as high-speed guided missiles, airships, satellites and the like; meanwhile, a beneficial reference is provided for a design of a similar power source firer mechanism.

The invention provides a rebound property detector of a movement surface course. The rebound property detector is characterized in that a base is connected to the lower part of a vertically arranged elevation ruler; a bracket is connected to the upper part of the vertically arranged elevation ruler; a height adjusting device is arranged on the elevation ruler; the height adjusting device is connected with the bracket; a ball hook is hinged with the other end of the bracket; the bracket is provided with a pulley; a drawing rope is connected with a fastener through the pulley; the fasten is sleeved on the ball hook; the ball hook is used for clamping the ball body; the ball hook is controlled to hold or release the ball body by drawing or releasing the drawing rope; an infrared probe and a lower computer are installed inside the base; the detection and the calculation on the time difference data when the ball body falls down to the movement surface course are accomplished by the lower computer; the data is transmitted to handheld devices in the hands of testing personnel; and the receiving, processing and display of the data are accomplished through the handheld devices. The rebound property detector is mainly used for measuring the rebound property of the ground of a sport field, and can also be applied to measurement of the rebound property of other grounds.

The invention provides an intensified device for denitriding and dephosphorizing, which aims at tower sewage characteristics and can realize the target of standardization and reconstruction. The A / A-MBR intensified combined device for denitriding and dephosphorizing comprises a water inlet pump, a grille, a regulating pond, an anoxia pond, an anaerobic pond, an MBR pond, a film assembly, a water outlet pump, a back wash pump, a back wash water tank and a blower. By utilizing the process of treating the town sewage by the A / A-MBR intensified combined device for denitriding and dephosphorizing, the sewage is hoisted by the water inlet pump and filtered by the grille to enter the regulating pond, then enter the anoxia pond and anaerobic pond, and finally enter the MBR pond, and flow out after being subjected to the membrane separation.

The invention relates to a continuous biochemical reaction and intermittent static precipitation integrated sewage treatment device. According to the invention, an entire sewage treatment process is centralized to a treatment tank which can be rectangular or circular. The device is divided into two types of functional zones, which are 1, biochemical reaction zones and 2, steady-flow precipitation zones. Newly entered sewage to be treated is mixed with precipitated and separated active sludge; the mixture continuously flows through the biochemical reaction zones in a reaction tank, such that biochemical reactions are completed. More than two relatively independent zones are arranged in the steady-flow precipitation zone, and the zones run alternately and intermittently, such that precipitation separation is performed under a relatively static condition, while the biochemical reaction zones work continuously. With the entire device and technical process, continuous treatment of newly entered sewage and static precipitation separation of the mixed liquid of sludge and sewage are realized. The device has the advantages of simple structure, low construction cost, low operation cost, and good effect. The device can be widely applied in industrial and domestic sewage treatments.

The invention discloses a small garbage cleaning device suitable for use in multiple terrains. The device includes a walking carrier, the walking carrier includes a frame and several walking wheels arranged on the bottom of the frame, and the frame is sequentially provided with a cleaning module, a vibration-screening module and a garbage bin from front to back, and the vibration-screening moduleincludes a step-like vibration-screening plate, a sliding rail, a crank connecting rod mechanism and a driving motor. The sliding rail is obliquely installed on the frame, the step-like vibration-screening plate is installed on the sliding rail through a slider, the front end of the step-like vibration-screening plate extends to the lower portion of the cleaning module, the rear end of the step-like vibration-screening plate extends to the upper portion of the garbage bin, the driving motor is connected with the step-like vibration-screening plate through the crank connecting rod mechanism, the crank connecting rod mechanism drives the step-like vibration-screening plate to move back and forth along the sliding rail, garbage on the step-like vibration-screening plate gradually ascends under the action of inertia and finally falls into the garbage bin, and the step-like vibration-screening plate is provided with meshes used for separation of sand and garbage. In the garbage cleaning process, the device can separate sand, the cleaning efficiency is greatly improved, and the device can be used in the multiple terrains.

The invention discloses vertical lifting type communication maintenance equipment, and belongs to the technical field of communication equipment. The vertical lifting type communication maintenance equipment comprises two oppositely-arranged stand columns, the opposite sides of the two stand columns are slidably connected with a lifting workbench, the top of the lifting workbench is fixedly connected with a first screw, the outer side walls, close to the top ends, of the stand columns are further provided with driving motors, the driving ends of the driving motors are connected with the lifting workbench through mooring ropes, the outer side walls, close to the top ends, of the stand columns are fixedly connected with symmetrically-distributed nut bases through supports, and a second screwis in threaded connection with the interior of each nut base. According to the vertical lifting type communication maintenance equipment, the automatic separation function of an outer communication box in the ascending process of the lifting workbench is achieved, the locking function of alignment embedding of the outer communication box is achieved through the dead weight of an inner communication box, the embedding stability of the outer communication box is improved, the excellent protection performance of the outer communication box is kept, the efficiency of high-altitude disassembling of the damaged communication box is improved, and the danger under high-altitude operation is reduced.

The invention discloses a small full-automatic chemiluminescent analyzer and belongs to the technical field of chemiluminescence immune assay. The small full-automatic chemiluminescent analyzer disclosed by the invention comprises a sample reagent rack, a liquid transfer device, a magnetic bead adsorption and extraction device and a measuring and reading device which are mutually independently tiled from the front to rear. The small full-automatic chemiluminescent analyzer is favorable for installation and maintenance of instruments and is convenient to use and easy to popularize.

The invention provides a test device for testing an energy recovery device. The test device comprises a circulatory water tank, a supercharge pump, a high-pressure pump, a distribution pipe, a first pressure reducing valve, a second pressure reducing valve, the energy recovery device and an energy recovery lift pump, wherein a water inlet of the supercharge pump is connected with a water outlet of the circulatory water tank, a water inlet of the high-pressure pump is connected with a water outlet of the supercharge pump, a first water inlet of the distribution pipe is connected with a water outlet of the high-pressure pump, a water inlet of the first pressure reducing valve is connected with a first water outlet of the distribution pipe, a water inlet of the second pressure reducing valve is connected with a second water outlet of the distribution pipe, a high-pressure concentrated water inlet of the energy recovery device is connected with a water outlet of the second pressure reducing valve, the energy recovery lift pump is connected with a high-pressure raw water outlet of the energy recovery device, and a water outlet of the energy recovery lift pump is connected with a second water inlet of the distribution pipe. According to the test device for testing the energy recovery device, the distribution pipe, the first pressure reducing valve and the second pressure reducing valve are adopted to simulate a reverse osmotic membrane element, raw water can be separated into normal-pressure water and high-pressure water, and thus, the separation function of the reverse osmotic membrane element is achieved, and the actual operating conditions of high-pressure water circulation can be completely simulated.

The present invention discloses a spindle-shaped structured packing, which comprises at least a packing layer comprising a plurality of horizontally-placed spindle-shaped special-shaped pipes connected in parallel, wherein the plurality of the horizontally-placed spindle-shaped special-shaped pipes connected in parallel form a plurality of parallel channels with collection sections, laryngeal orifices and dispersion sections, the cross section of the spindle-shaped special-shaped pipe is the spindle shape, the top portion and the lower portion of the spindle-shaped special-shaped pipe are the arc shapes, and the radius of the arc on the top portion is larger than the radius of the arc on the lower portion. Compared with the existing structured packing, the spindle-shaped structured packing of the present invention has advantages of high mass transfer efficiency, simple structure, small size, fouling resistance and low pressure drop, has less gas-phase liquid foam entrainment after the mass transfer reaction, is suitable for the gas-liquid two-phase mass transfer and reaction processes, especially for the dust removal and desulfurization treatment of flue gas and process exhaust gas, and can be widely used in the fields of petrochemical industry, environmental protection and the like.

The invention belongs to the technical field of metal rod processing, relates to a device for cutting a long cast rod into short cast rods with needed lengths, and in particular relates to a cast rod locating cutting device. A short material conveying table and a long material conveying table form a conveying platform, a short locating unit is arranged above the short material conveying table and comprises a screw shaft and a short locating swing arm, the short locating swing arm is rotatably arranged on the screw shaft through a liner bushing and is locked on the two end faces of the liner bushing respectively through locking nuts, and the screw shaft is mounted on a bearing seat on a rack through a bearing. The cutting device can achieve effective separation of a short stub rod at a non-material gathering part of the cast rod from tail waste, and can effectively improve the utilization rate of the long cast rod and reduce return scrap.

The invention relates to the technical field of agricultural automation and robots, in particular to a fruit picking robot based on an efficient picking disc. The fruit picking robot comprises a four-wheeled intelligent platform, a control system, an image identification system, a picking arm and the picking disc. The picking disc comprises a chassis, a support, a top body disc, a top body disc lifting mechanism and a chassis rotating mechanism. The chassis comprises a left half chassis, a right half chassis, a conical bearing and an outer edge housing. The top body disc is of a branch-shaped fruit carding and picking structure. The top body disc lifting mechanism achieves convergence and separation of the top body disc and the chassis and accordingly achieves branch clamping and loosening. The fruit picking robot improves the picking labor productivity of branch-shaped distributed fruits of dogwoods, hot peppers, Chinese wolfberry, glossy privets and the like, reduces the labor intensity and picking costs of peasants, ensures timely harvesting and picking quality of the fruits and has the immeasurable significance on promotion of rural economic development, improvement of agricultural modernization and intelligentization of our country and acceleration of agricultural scientific progress.

The invention relates to physical strength and flexible helical blade-coupled walnut shell and kernel drum two-way separation equipment, which is high in automation degree and consistent with food safety regulations and has a walnut shell and kernel separation function. The equipment comprises a helical blade drum arranged on a support structure, wherein a concentric main shaft is arranged in the helical blade drum; the two ends of the main shaft are arranged on the support structure through respective bearings; the main shaft is connected with a power source; helical blades I, II and III are also arranged on the main shaft, and are coupled to one another to form a continuous variable pitch helical conveying blade mechanism, thereby dividing the helical blade drum into three working areas, i.e. a walnut shell conveying area, a walnut and kernel separation area and a walnut kernel conveying area, which correspond to the helical blades I, II and III respectively; an inlet of the helical blade drum is connected with a feed hopper, and meanwhile, an air blower and a walnut kernel collector are also arranged at the inlet; a walnut shell collector is arranged at an outlet of the helical blade drum.

The invention discloses a solid-liquid separation device with a self-cleaning function and a septic tank. The solid-liquid separation device comprises a separation space, wherein a separation net is arranged in the separation space, and a pair of water inlets is formed in one side wall of the separation net and located on two sides of the separation net respectively; a pair of water outlets is also formed in another side wall of the separation space and located on two sides of the separation net respectively; a first shielding plate and a second shielding plate are also arranged on the side walls of the separation space, the first shielding plate is movably mounted on a water inlet side of the water inlets, and the second shielding plate is movably mounted on a water outlet side of the water outlets. The solid-liquid separation device scours dirt attached to the separation net by changing the direction of flow of sewage in and out of the separation space so as to realize the self-cleaning effect.

The invention discloses an ecological intercropping net cage for precious marine products and belongs to the field of aquaculture. The ecological intercropping net cage comprises an upper-layer culture unit, a lower-layer culture unit, a multifunctional drainage system in the middle and a matched device, wherein the culture units are vertically distributed in a net cage purse net; each culture unit comprises an upper-layer sea urchin area and a lower-layer sea cucumber area, and the sea urchin areas and the sea cucumber areas are alternately arranged two by two to form a relatively independent intercropping system; and the upper-layer sea urchin areas and the lower-layer sea cucumber areas are separated by polyethylene nets with meshes, and excrement generated by sea urchin falls into the sea cucumber areas from the meshes to serve as young sea cucumber bait. The multifunctional drainage system is located in the middle of the net cage surrounding net, penetrates through the whole culture net cage, and is used for feeding baits in the sea urchin areas and cleaning sea urchin excrement which is not eaten up by sea cucumbers, excrement generated by the sea cucumbers and other metabolites in the sea cucumber areas. The problems of sea urchin winter ingestion and excrement cleaning can be solved, and winter growth of sea cucumbers is facilitated; and the ecological intercropping net cage uses common culture materials, is low in price, simple and time-saving to operate, capable of realizing large-scale intensive production and suitable for large-scale popularization.

The invention discloses a coin sorting counting device. A conventional coin sorting device has a large size and a high production cost. The coin sorting counting device comprises a funnel-type coin separating disc, a coin channel pipe, a block, a rotating disc, a coin screening disc, infrared counting devices, a coin guiding funnel, and a coin collecting cylinder. Because of differences between diameters of coin sorting through grooves, separating and counting of fifth sets of 1 Yuan coins, 5 Jiao coins, and 1 Jiao coins and fourth sets of 1 Jiao coins are realized. A stepping motor is used to drive the rotating disc to drive the coins in k coin input pipes to rotate around the coin screening disc, and then 4k coin sorting through grooves are used for sorting the coins at the same time, and the 4k infrared counting devices are used for counting at the same time, and therefore sorting speed is fast. The coin sorting counting device has a simple structure and a low production cost, and is suitable for supermarkets, bus companies, vending machine operators, and other operation units.

The invention discloses a non-disturbance compressive static load test system of a foundation base. The non-disturbance compressive static load test system comprises a pressure bearing platform, two rotating platforms, two outer boats, a longitudinal motion and lifting mechanism, two inner boats and a transverse motion mechanism, wherein transverse motion rails are transversely arranged on the lower surfaces of the rotating platforms; two transverse motion cylinders are positioned in the transverse motion rails; the inner ends of the transverse motion cylinders are close to the centers of the rotating platforms, and are connected with the rotating platforms; telescopic rods at the outer ends of the transverse motion cylinders are connected with transverse motion trolleys on the two sides; the tops of inner boat struts are connected with the transverse motion trolleys; and the bottoms of the inner boat struts are connected on inner boat bodies. According to the non-disturbance compressive static load test system, during transverse motion, the inner boat transverse motion trolleys move under the rotating platforms in a suspension manner, the rails corresponding to the two inner boats are in the same plane, and the motion resistance caused by uneven ground is avoided; and the inner boats can be separated, the lengths of the rotating platforms are decreased while a larger interval between the inner boats is achieved and a non-disturbance effect is achieved, and the rotating power is higher and more efficient.

The invention discloses a neurology infusion nursing device which comprises a base, a vertical rod and universal wheels. The vertical rod is arranged on the base, the universal wheels are arranged at the bottom of the base, a steering sleeve sleeves the vertical rod, a nursing tray is connected on one side of the steering sleeve through a cross arm, an infusion fixing plate is arranged on the cross arm, a garbage can and a bench table are arranged on two sides of the vertical rod and are positioned on the base, a cushion is arranged on the bench table, a rotating shaft is arranged at the top end of the vertical rod, a mounting plate is mounted on the rotating shaft, infusion baskets are arranged at two ends of the mounting plate, the bench table comprises a cabinet, a partition plate is arranged in the cabinet, a first cavity is formed in the lower portion of the partition plate, a second cavity is formed in the upper portion of the partition plate, a sponge is arranged in a drawer, a cover is hinged to one side of the garbage can, and a pressing plate is connected with a pressing block on the cover through a pressing rod. The neurology infusion nursing device is reasonable in design and convenient to use and can sterilize for nursing appliances, the nursing appliances are conveniently carried, and working difficulty of medical staff is relieved.

The invention discloses a special municipal dustbin for a bus stop and belongs to the field of municipal environmental sanitation tools. The special municipal dustbin for the bus stop comprises a tank. A filter plate is connected to the inner sidewall of the tank. A liquid storage cavity is arranged between the filter plate and the inner wall of the bottom of the tank. The longitudinal inner sidewall of the tank is provided with two vertical sliding grooves. A first cross bar and a second cross bar are slidably connected to the longitudinal inner sidewall of the tank through the two sliding grooves correspondingly. The two ends of the first cross bar are connected with return springs arranged vertically. The ends, far away from the first cross bar, of the return springs are connected to the interiors of the sliding grooves. The special municipal dustbin conducts compaction treatment on wrinkled garbage in the dustbin to increase the use space of the dustbin. Meanwhile, the special municipal dustbin achieves the solid-liquid garbage separation function. The cleanliness of the dustbin is improved by usually scraping and cleaning residues on the inner sidewall of the dustbin. The probability of bacteria breeding is reduced. Moreover, sanitation workers can clean garbage adhering to the inner wall of the dustbin conveniently.

The invention discloses a drying room with dry and wet gas separation function. The drying room comprises a box body; a box opening and a box door for sealing the box opening are arranged at the front end of the box body; a middle partition plate for dividing an inner cavity of the box body into an upper cavity body and a lower cavity body is arranged in the box body; an upper partition plate for dividing the upper cavity body into an upper moisture gathering chamber and a lower blast chamber is arranged in the upper cavity body; a moisture discharging opening is formed in the top of the moisture gathering chamber; the left side portion and right side portion of the upper partition plate are each provided with a vertically-through ventilation opening and a sealing door capable of controlling opening and closing of the ventilation opening; air inlets and outlets are formed in the left side portion and right side portion of the middle partition plate; and an air heating device and an air blowing device which is capable of achieving forward or reverse alternate air blowing are installed in the blast chamber. According to the drying room, hot air with high humidity is selectively exhausted in the moisture removal and air exchange process, then the utilization efficiency of the hot air can be improved, the energy consumption can be reduced, the structure is simple and ingenious, and the drying efficiency and the drying uniformity can be improved.

The invention discloses a lifting filter structure, which comprises a container part, a movable frame and a guide pillar, wherein the container part refers to a hollow cylindrical structure provided with guide pillar fixing holes, the guide pillar is assembled in the container part and particularly is rotationally inserted in the fixing holes, and is provided with a helical guide slot on the surface, the movable frame is movably assembled in the container part and provided with a guide pillar hole matched with the guide pillar and movably sleeving the guide pillar, and the guide pillar hole isprovided with a lug matched with the helical guide slot of the guide pillar so that the movable frame can reciprocate in the container part along with rotation of the guide pillar. The lifting filterstructure is simple in structure, reliable in action and wide in application range; a tea making machine utilizing the filter structure is small in size and much convenient to carry with as comparedwith the conventional tea makers.

The invention discloses a throwable double-component common-bottom type annular storage tank for a spacecraft. The annular storage tank comprises an annular storage tank body, a center cylinder and aseparation device. A first connecting ring, a second connecting ring and a ring section are symmetrically arranged on the annular storage box body, and the first connecting ring and the second connecting ring are provided with lug pieces. The center cylinder is provided with an upper end frame, a lower end frame and stringers; and the lug pieces and the stringers enable the annular storage tank body and the center cylinder to be connected through bolts to bear external loads together, the upper end frame and the lower end frame are separation surfaces, and the separation device is arranged onthe separation surfaces so that the annular storage tank body can have a throwing function. A connecting ring-single layer common-bottom assembly enables the annular storage tank body to form a double-component structural form, and a fuel agent and an oxidizing agent can be carried at the same time.

The invention relates to the technical field of liquor making,in particular to a liquor making device and an application method thereof. The device comprises a fermented grain container and a cover,the fermented grain container is covered with the cover to form a sealed liquor making chamber,and a guide pipe communicated with the liquor making chamber is arranged on the outer surface of the liquormaking chamber; a filter layer is arranged on the junction of the guide pipe and the liquor making chamber,and an electromagnetic valve is arranged on the guide pipe; a refrigeration system and a separation system are further connected to the liquor making chamber,the liquor making chamber is controlled by the refrigeration system to be refrigerated,and liquid-state fermented grains in the liquormaking chamber are converted into solid-state fermented grains; the relative pressure in the space of the solid-state fermented grains is controlled by the separation system,and liquid liquor is separated from the guide pipe. According to the liquor making device and the application method,the components of made liquor can be reserved,the alcohol concentration of the made liquor is also increased,the separated made liquor can also be distilled by lowering the heating temperature of distillation,and the liquor which is better in taste and high in quality and does not need to be blended is produced.

The invention discloses a separation device for modules, and belongs to the technical field of separation. The separating device comprises a locking assembly and a separating assembly. The locking assembly comprises a first frame, a second frame and a plurality of locking pieces, and the locking pieces are arranged on the first frame and the second frame. The separation assembly comprises a plurality of separation parts and a plurality of transmission parts, each separation part comprises a lead screw and a first bevel gear, the lead screws vertically penetrate through the first frame and the second frame, the first bevel gears coaxially sleeve the end parts of the lead screws, each transmission part comprises a transmission shaft and two second bevel gears, and the transmission shafts are arranged on the second frames; the transmission shaft is coaxially sleeved with the two second bevel gears, and the two second bevel gears are engaged with the two adjacent first bevel gears correspondingly. According to the module separation device provided by the embodiment of the invention, uniform and synchronous stress lifting of the peripheries of the modules can be realized in the separation process, convenient separation of the modules is realized, and the situation of jamming is avoided.

The invention discloses a right-hand worm mold for a gas meter, and belongs to the technical field of gas meters. The right-hand worm mold comprises a movable mold bottom plate, further comprises moldfeet, an ejector retainer plate, a return pin, a movable mold plate, a fixed mold plate, a movable mold core, a movable mold side, a fixed mold core, a fixed mold bottom plate, positioning rods and positioning grooves, wherein the mold feet are symmetrically arranged at the top of the movable mold bottom plate; the ejector retainer plate is arranged at the top of the movable mold bottom plate, and is arranged between the mold feet; the return pin is arranged at the top of the ejector retainer plate; the movable mold plate is arranged above the mold feet; the fixed mold plate is arranged rightabove the movable mold plate; the movable mold core is arranged on one side, close to the fixed mold plate, of the movable mold plate; the movable mold side is slidably connected to the top of the movable mold core; the fixed mold core is arranged on one side, close to the movable mold plate, of the fixed mold plate; the fixed mold bottom plate is connected to one side, far away from the fixed mold plate, of a stripper plate; the positioning rods are connected to the four corners of the top of the movable mold plate; and the positioning grooves are formed in the four corners of the bottom ofthe fixed mold plate and matched with the positioning rods. According to the right-hand worm mold for the gas meter, when the movable mold plate and the fixed mold plate are closed, the positioning isaccurate, and the buffer performance of the injection pressure during mold closing is excellent.

An ejection-type connection and separation integrated device, mainly composed of a housing assembly (1), a push plate assembly (2), a telemetry device (3), and a connection unlocking device (4). In the initial state, the satellite is locked by the connection unlocking device And placed in the shell assembly, when the satellite is in orbit, the unlocking device is connected to unlock, and the push plate assembly used to push the satellite to be ejected from the shell assembly is set in the shell assembly and contacts the satellite. The telemetry device is in the ground control station. Under control, the unlocking signal is sent to the connection and unlocking device, and the separation signal is sent to the push plate assembly, which solves the problem that the traditional satellite-rocket connection and separation device has size constraints on the satellite, cannot adapt to different configurations of satellites, and cannot meet the needs of rapid launch. The structure is stable .

The device ( 100 , 101 ) according to the invention has an arrangement ( 100 , 101 ) which is adjusted to be integrated into the non-woven fabric winding machine ( 1 ), whereby the device ( 100 , 101 ) is located in the position of the fiber web winding machine ( 1 ). The first winding shaft (2) in the storage (23) closest to the contact roll (9) of the web winder (1) is accommodated in the accommodation position and can be transported from the storage (23) to the web roll The waiting section (7) of the winding machine (1). The device is further configured such that, before the first winding shaft (2) is accommodated, a second roll located further away from the device (100, 101) in the storage space (23) and arranged adjacent to the first winding shaft (2) Movement around the axis (3) away from the first winding axis (2). The invention also relates to a web winder equipped with such a device and a method of operating a web winder equipped with such a device.

The embodiment of the invention discloses a puncture rack and an adjusting block applied to the puncture rack. Two sides of the puncture rack can be simultaneously matched with at least two adjustingblocks for simultaneous use, the puncture rack comprises needle feeding structures arranged on two sides of a needle feeding plane of the puncture rack and the adjusting blocks 1 installed on the needle feeding structures, wherein needle slots 3 for puncture needles to pass through are formed between the needle feeding structures and the adjusting blocks. The needle feeding structures and the adjusting blocks matched with the needle feeding structures are arranged on the two sides of the needle feeding plane of the puncture rack respectively, accordingly the needle feeding side to be used canbe flexibly selected without B-mode ultrasound probe turning according to the demand of a needle feeding route during a puncture operation performed by a doctor, the operation complexity can be reduced, and thus operation inconvenience can be avoided without standing position adjustment. Multiple different specifications are provided for the adjusting blocks, adaptive adjustment on the walls of the adjusting blocks can be performed according to the diameters of puncture needles, and accordingly the puncture rack can adapt to difference specifications of puncture needles in puncture operation.

The invention discloses a vertical take-off and landing type communication maintenance equipment, which belongs to the technical field of communication equipment. A vertical take-off and landing type communication maintenance equipment, comprising two columns opposite to each other, the opposite sides of the two columns are slidingly connected with a lifting table, the top of the lifting table is fixedly connected with a first screw rod, and the outer wall of the column is close to the top A driving motor is also provided, the driving end of the driving motor is connected with the lifting table through a cable, the outer wall of the column near the top is fixedly connected with a symmetrically distributed nut seat through a bracket, and the nut seat is internally threaded with a second screw rod; the present invention is realized in The automatic separation function of the communication outer box during the rising process of the lifting workbench realizes the locking function of the alignment and fitting of the communication outer box through the self-weight of the inner communication box, which improves the stability of the communication outer box fitting and maintains excellent outer box protection performance, which improves the efficiency of dismantling damaged communication boxes at high altitudes, and reduces the danger of working at high altitudes.