600results about How to "Reduce manual labor intensity" patented technology

The invention provides a gantry-type automatic spot welding system for a battery pack, which comprises a spot welding device and a spot welding jig fixing device which are vertically arranged and are connected with a PLC (programmable logic controller) of the system. The spot welding device comprises a beam, a group of opposite vertical columns in parallel, a spot welding mechanism, an X-axis sliding table, a Y-axis movement mechanism and an X-axis movement mechanism, wherein the vertical columns are used for adjusting the height of the beam, the X-axis sliding table is used for fixing the spot welding mechanism, the Y-axis movement mechanism enables the spot welding mechanism to transversely move, and the X-axis movement mechanism enables the X-axis sliding table to transversely move. The spot welding jig fixing device comprises a spot welding jig platen and a clamping mechanism for clamping a spot welding jig, wherein the clamping mechanism is arranged on the spot welding jig platen and is perpendicular to the spot welding mechanism. By the aid of a gantry-type structure, clamping is performed once, cells are numerous, spot welding parameters are controllable, and the system is fast in running speed, high in spot welding efficiency, highly adaptable to the cells, accurate in positioning and fine in spot welding quality.

The invention relates to a tube segment shipping and trolley towing integrated device of a shield machine, belonging to the technical field of tunneling equipment. The integrated device comprises a two-track beam, a pair of electric hoists mounted under the two-track beam, a travelling trolley towing the electric hoists to travel and a connecting frame; the connecting frame is mounted on the two-track beam; the two-track beam is mounted between a traveling beam of a tube segment assembling machine and a first-section trolley of a back affiliated system; the front-station working end and the back-station working end of the two-track beam are horizontal beams, and a middle part of the two-track beam is an tilted beam; the front end of the two-track beam is lower than the back end of the two-track beam; the connecting frame is a truss structure; the left side and the right side of the connecting frame are respectively connected with the two beams of the two-track beam; the front end of the connecting frame is movably connected with the traveling beam of the tube segment assembling machine; and the back end of the connecting frame is connected with the first-section trolley of the back affiliated system through a pin shaft. The tube segment shipping and trolley towing integrated device of the shield machine provided by the invention has a simple structure, the bearing strength is enhanced under the premise of not increasing the weight, the shipping efficiency is high, the labor intensity for workers is lowered, and the cost and the failure rate of equipment are lowered.

The invention discloses a hydrologic data monitoring system, which comprises a monitoring center system, one or more wireless gateways, one or more wireless hydrologic data acquisition terminals and one or more sensors for measuring hydrologic data, wherein each wireless hydrologic data acquisition terminal is connected with the one or more sensors, and used for receiving the hydrologic data from the sensor which is connected with the wireless hydrologic data acquisition terminal, converting the hydrologic data and then sending the hydrologic data to each wireless gateway; and each wireless gateway is used for receiving the hydrologic data from the one or more wireless hydrologic data acquisition terminals in a coverage range of the wireless gateway, aggregating the hydrologic data and then sending the hydrologic data to the monitoring center system. By adoption of the hydrologic data monitoring system, low-cost and low-complexity sensor data acquisition, transmission and monitoring associated with hydrologic monitoring can be realized.

The invention discloses a wind power blade main beam cloth laying device. The wind power blade main beam cloth laying device comprises a cloth laying moving frame, a rotary transverse moving mechanismis arranged on the cloth laying moving frame, an unwinding frame is arranged on the rotary transverse moving mechanism, two cloth rolls which are parallel front and back are erected on the unwindingframe, the rotary transverse moving mechanism comprises a transverse moving assembly and a rotating assembly, the transverse moving assembly is used for controlling the unwinding frame to transverselymove in the chordwise direction of a blade main beam mold, and the rotating assembly is used for controlling the unwinding frame to rotate. The wind power blade main beam cloth laying device has theadvantages that the labor intensity of workers is reduced, the laying quality is improved, the blade forming period is shortened, and the laying efficiency is improved.

The invention relates to a filling mechanism comprising a rotating mechanism and an assembly line mechanism. A groove wheel mechanism is mounted on a rotating shaft of the rotating mechanism; a driving plate is mounted on the groove wheel mechanism, and the groove wheel mechanism can drive the driving plate to make intermittent movement; the assembly line mechanism capable of conveying storage tanks is arranged on the lower-left portion of the driving plate; a fixed limiting disc is arranged on the rear portion of the driving plate and of a half disc structure, half of the fixed limiting disc is located on the upper portion of the assembly line mechanism, a feeding limiting pipe is arranged on the upper portion of the other half of the fixed limiting disc, and the multiple sets of storage tanks are stacked in the feeding limiting pipe; four sets of semicircular grooves are symmetrically formed in the circumferential direction of the driving plate, and each set of storage tanks can be positioned between the corresponding set of semicircular grooves and the fixed limiting disc; and a feeding device capable of filling the storage tanks is arranged above the assembly line mechanism. Liquid products can be packed continuously and uniformly, so that the working efficiency is improved, and the labor intensity of workers is effectively reduced.

The invention discloses a semiautomatic laser pipe cutting machine, comprising a rack. The semiautomatic laser pipe cutting machine is characterized in that the rack is provided with an automatic laser cutting device and a pipe fixing device, wherein the automatic laser cutting device comprises a gantry and a laser cutting device; the gantry is provided with an X-axis traveling drive device; the laser cutting device is arranged on the gantry by a Y-axis transverse drive device; an X axis and a Y axis form a horizontal right-angled coordinate system; and the pipe fixing device comprises a jacking device and a rotary pneumatic chuck which are positioned under the laser cutting device and are arranged oppositely in the traveling direction of the X axis of the gantry. The semiautomatic laser pipe cutting machine disclosed by the invention has the advantages that the cutting operation can be started automatically only by finishing the clamping of the pipe manually, so that the production efficiency is effectively increased, the labor intensity of workers is reduced and the quality of a product is improved.

The invention discloses an automated drilling rig. Double fan-shaped fingerboards are arranged on two sides of a headframe, two corresponding sunk type pipe setbacks are arranged on a base; a catwalk automatically turns in, turns out and parallelly moves put-in pipes; a manipulator is turned over to grip the pipes delivered by the catwalk until the manipulator is vertical, lower pipes are clamped to apply reaction torque during screwing on and screwing off; and a double pipe arranging device moves the pipes up and down, makes up the pipes and vertically moves or arranges stands. The drilling rig adopts electrohydraulic combined driving, an omnibearing video monitoring system and integrated control, a driller can achieve operations of drilling of the drilling rig and connecting and detaching stands by operating corresponding procedures in a control cabin, thus realizing truly full automation, off-line operation, safety and reliability, and the operating efficiency can be improved to 3 times of the existing drilling rigs. When a well site is moved, the automated drilling rig can be moved integrally with full stands, thus greatly improving operating efficiency and lowering labor intensity of staff.

The invention discloses an automatic following support system and a method, wherein the system comprises a hydraulic jack, a following support device, a micrometer and a controller, wherein the hydraulic jack is used for jacking a heavy loading object; the following support device is arranged adjacent to the hydraulic jack, and is used for temporarily supporting the heavy loading object to ensure the safe jacking when the hydraulic jack suffers an accidental failure; the micrometer is used for monitoring the clearance distance between the following support device and the heavy loading object; and the controller controls the extension of the following support device according to the clearance distance measured by the micrometer. The automatic following support system and the method completely adopt automation control, when the hydraulic jack suffers an accidental failure, the heavy loading object can be effectively supported and prevented from sliding, and the invention has the advantages of relieving the labor intensity, improving the engineering efficiency and improving the engineering safety.

The invention discloses a self-lifting sliding and turnover construction system and a construction method. The system comprises a framework type combination crown block hanging bracket device and a semi-automatic turnover device. The construction method comprises steps as follows: construction of reinforcing steel bars of a pier body, large-area formwork bracket splicing, sliding formwork bracket splicing, self-lifting hanging bracket splicing, concrete pouring, sliding formwork bracket sliding rising, large-area formwork turnover and next stage of reinforcing steel bar construction. A self-lifting technique can be adopted, auxiliary construction by mechanical equipment such as a tower crane, a truck crane and the like can be omitted, high-pier construction is realized with the self-lifting technique, and the method guarantees the construction speed of a sliding formwork and the appearance quality of a turnover formwork without relying on external machines.

The invention relates to a steel slag breaking sorting reuse system for iron and steel smelting processes. The steel slag breaking sorting reuse system comprises a bottom plate and a breaking device,wherein the upper end of the bottom plate is provided with the breaking device. In the prior art, when the building material is prepared from the existing waste steel slag, the breaking of the existing waste steel slag by the breaking device has disadvantages of poor breaking effect and low efficiency, and the manual screening performed after the breaking has disadvantages of low screening efficiency, high hazard, high labor intensity, complicated operation, low working efficiency and the like. According to the present invention, the steel slag breaking sorting reuse system can solve the problems in the prior art, can automatically break and sort tailings slag, can break steel slag to achieve a uniform particle size, has good breaking effect, can automatically screen steel slag after the breaking so as to reduce the labor intensity and avoid the harm to the worker body, and further has advantages of low labor intensity, simple operation, high work efficiency and the like.

The invention discloses a tension-driving automatic wire-arranging mechanism, comprising a pay-off device and a loop-forming device, wherein the pay-off device comprises a base, a floating guide wheel set, a pay-off frame and a fixed guide wheel set bracket and a guide wheel bracket which are arranged on the base, a fixed guide wheel set arranged at the fixed guide wheel set bracket, and a guide wheel and a crossing-wire wheel which are arranged at the guide wheel bracket; the loop-forming device comprises a transmission electric box, an electric motor arranged at the transmission electric box, and a loop-forming plate driven by the electric motor. The invention is characterized in that the paying-off device also comprises a brake wheel arranged on the base and a brake belt matched with the brake wheel, a level mechanism and a lever rotating shaft, an elastic supporting device for supporting the lever mechanism, two guide shafts arranged on the transmission electric box, and two wire-arranging guide wheels which are respectively arranged on the guide wheel shafts and can slide and rotate; the brake wheel is coaxial to the pay-off frame, one end of the brake belt is fixed on the base and the other end is connected with the left end of the lever mechanism, and the floating guide wheel set is arranged at the right end of the lever mechanism. The invention has the advantages of high efficiency, small labor intensity, good safety, stable wire-arranging quality and low cost.

The invention aims to disclose an automatic reciprocating scraping type bamboo skin removing device which can improve the work efficiency of bamboo skin removal and reduce labor intensity of workers on the premise of keeping the toughness of bamboo to the maximum extent. The automatic reciprocating scraping type bamboo skin removing device comprises a rack, a knife rest, a knife rest reciprocating drive mechanism and a knife rest rotating drive mechanism. The knife rest rotating drive mechanism is formed by a base, a round support and a drive motor. The base is connected with the knife rest reciprocating drive mechanism. The knife rest comprises at least one blade group. Each blade group comprises two opposite blades. The blades are connected with the round support through an elastic pressing mechanism and accordingly the two blades in the same blade group can clamp tight bamboo penetrating through between the two blades. A limit mechanism used for restricting the position of the bamboo is further arranged on the rack. A travel switch is arranged on the rack at the end of the reciprocating stroke of the base and is connected with the drive motor to control the drive motor to work.

The invention discloses a device for connecting a drill rod with a three-joint unit. A three-joint unit frame is fixedly arranged beside a ramp of a drilling door; the three-joint unit frame is internally provided with a pair of hydraulic tongs, a righting chuck, a lifting pulley and a suspension chuck; the ground beside the ramp in front of the three-joint unit frame is fixedly provided with a catwalk; the catwalk is internally provided with a lifting manipulator; a drill head frame is provided with a racking platform; and an automatic rigger is suspended below the drill head frame. The invention also discloses a method for connecting a drill rod with a three-joint unit by using the device. By using the device, mechanical operation is realized in the process of conveying the drill rods and connecting three-joint units without using top driving and well head tools, and thus the time is shortened and the drilling efficiency is improved; and besides, workers are not required to work in dangerous areas, so that the labour intensity is lowered and human injuries are avoided.

The invention provides a denim washing pumice-replaced environmental biological coarse pattern enzyme preparation and an application thereof. The denim washing pumice-replaced environmental biological coarse pattern enzyme preparation is characterized by being prepared by coarse grain biological cellulose enzyme, pH buffering agents, anti-backstaining agents and filling agents. The denim washing pumice-replaced environmental biological coarse pattern enzyme preparation comprises, by proportion, 2% to 4% of the coarse grain biological cellulose enzyme, 8% to 10% of the anti-backstaining agents, 0.18% to 0.2% of sodium tripolyphosphate, 0.8% to 1.1% of sodium dihydrogen phosphate, 0.8% to 1.1% of adipic acid and 83.6% to 88.22% of the filling agents. By means of the environmental biological coarse pattern enzyme preparation, the denim is subjected to enzyme abrasion washing, effects which are identical to or even better than that of pumice stone washing are achieved, the wearing pattern is coarse and clear, the degree of uniformity is good, the denim touches soft, the cost is saved, and low carbon and environment protection are achieved.

A novel ball water-boiling machine consists of a hot water diversion box (1), a scraper (2), a steam pipe (3), a chute (4), a hot water circulation inline pump (5), a cooling fan (6), and a motor speed reducer (7). The hot water diversion box (1) is disposed below an inlet (8), the scraper (2) is arranged on the right side of the hot water diversion box (1), the steam pipe (3) is disposed below the scraper (2), the chute (4) is installed below an outlet (9), the hot water circulation inline pump (5) arranged on the left side of the cooling fan (6), which right side is provided with the motor speed reducer (7). The invention aims to automatic boil the balls with water and transport the balls, thereby reducing the labor intensity of the labor and increasing the water-boiling efficiency; the traditional water-boiling method is replaced, a stainless steel mesh belt is adopted to transport the balls, the transporting speed f the mesh belt is indefinitely variable, the water temperature can be automatically controlled and adjustable by a temperature controller, thereby, the water-boiling time of the balls can be adjusted into the optical value required by the consumer.

The invention discloses a PET (Polyethylene Terephthalate) bottle flake reclaimed material production process which comprises the following steps: breaking by a bale breaker, classifying and screening broken plastic bottles, performing color separation and selection on the sorted PET plastic bottles through a color sorter, and separating the bottles according to colors; performing complete bottle prewashing, and sorting the sundries through a platform; crushing through a crusher, and feeding to a dehydrator for dehydrating; performing high-temperature thermal washing disinfection with alkali liquor, performing further high-speed friction and dehydration, and performing repeated cleaning and dehydrating; finally, feeding the PET bottle flakes subjected to repeated cleaning into a blowing machine for blowing, feeding the blown PET bottle flakes into a packaging machine for packaging, discharging out of the stock bin, and storing. According to the PET bottle flake reclaimed material production process disclosed by the invention, the PET bottle flake cleaning effect is excellent, the recovery production efficiency is high, the labor intensity is reduced, the cost is lowered, and the economic benefits are high.

The invention discloses a full-automatic hydraulic press. An automatic charging part (A), a pressing and shaping part (C) and an intelligent robot material-distribution and built-in manipulator brick-clamping part (B) are respectively provided with a sensor; the sensors send collected signals to a control part; the central processing unit of the control part processes a fed signal to judge and send an order to each terminal; after the automatic charging part finishes charging, the intelligent robot distributes the material; an elastic mode of double surface adding and pressurization is adopted for pressing and shaping; the automatic charging part carries out next charging circulation while pressing and shaping; after the product is shaped, the product is pushed out by a product die retracting device; and the intelligent robot material-distribution and built-in manipulator brick-clamping part carries out next material distribution circulation while the product is clamped to a transportation part by the built-in manipulator, thereby realizing automatic production for the whole process. The full-automatic hydraulic press can effectively improve production efficiency and product quality, lowers production cost, is safe, environmentally-friendly and efficient and saves energy.

The invention discloses surface paint spraying equipment for building timbers. The surface paint spraying equipment comprises a supporting framework, a paint liquor box, a lead screw, a motion slide block, a paint spraying cover and a paint spray tube, wherein a lead screw is arranged in a rotary frame in the upper inner cavity of the supporting framework; the motion slide block sleeves the outerperiphery of the lead screw in a threaded connection mode through inner threads; the bottom end of the motion slide block is fixedly welded with a suspension rod; the paint spraying cover is fixedly arranged at the bottom end of the suspension rod; the paint spray tube is arranged on the bottom of the paint spraying cover through a supporting rod which is fixedly welded on the top of the paint spray tube; a pump body is further mounted on the top of the supporting framework; a charge end of the pump body is connected with the bottom of the inner cavity of the paint liquor box; and a dischargeend of the pump body is connected with the paint spray tube through a conveying hose. The surface paint spraying equipment is simple and reasonable in structure, realizes multi-angle all-around paintspraying treatment on the timbers, greatly reduces manual labor intensity, improves paint spraying efficiency, is good in paint spraying effect and is suitable for being popularized and used.

The invention discloses a steel ladle bottom argon blowing gas flow control device and control method, and solves the technical problem that existing steel ladle bottom argon blowing gas flow cannot be controlled automatically and accurately. The steel ladle bottom argon blowing gas flow control device comprises a camera, a steel ladle, an air brick, an image processing and control center server and an argon gas flow control valve. The camera is arranged above a mouth of the steel ladle; the camera is connected with the image processing and control center server through a cable; the image processing and control center server is connected with the argon gas flow control valve arranged on an argon gas pipeline through a cable; the input end of the argon gas flow control valve is communicatedwith an argon gas source through the argon gas pipeline; the output end of the argon gas flow control valve is communicated with the air brick through the argon gas pipeline; and the air brick is arranged on the bottom portion of the steel ladle. The control device realizes automatic and accurate control of steel ladle bottom argon blowing gas flow, and improves quality of liquid steel.

The invention discloses a duck conveying system, and relates to the technical field of meat duck breeding and transportation equipment. According to the technical scheme, the system comprises a meat duck transportation cart, a conveying mechanism and a lifting mechanism, wherein a meat duck breeding cage is connected with the meat duck transportation cart through the conveying mechanism and the lifting mechanism in sequence; the lifting mechanism is driven by a driving mechanism located at the bottom of the lifting mechanism; the conveying mechanism comprises a conveying belt; the lifting mechanism comprises a lifting frame, a transferring tank is arranged on the lifting frame, and single-layer transportation boxes are arranged in the transferring tank. The duck conveying system has the advantages that the interior and the exterior of the breeding cage are connected, a whole box of meat ducks are directly conveyed to the transportation cart through a conveying belt and the lifting mechanism, and the three single-layer transportation boxes are arranged up and down on a whole carriage in parallel, so that the meat ducks have proper activity space, violence grabbing of the meat ducksin the whole process is not needed, the labor intensity of workers is reduced, the situation that the poultry is extremely nervous due to a violent mode and a narrow and crowded space is avoided, andthe defective product rate is obviously reduced.

The invention discloses a plate flattening device. The plate flattening device comprises an upper pressing head, a lower pressing head and a plate fixing device, wherein the upper pressing head and the lower pressing head are fixed on a frame; the upper pressing head is arranged right above the lower pressing head; the plate fixing device is arranged between the upper pressing head and the lower pressing head; the plate fixing device comprises a first guide rail, a second guide rail and a fixing platform; the firs guide rail and the second guide rail perpendicular to each other are arranged from bottom to top; the fixing platform is capable of moving along with the second guide rail; a locking device is arranged on the top surface of the fixing platform; the positions required to be flattened are flattened by the plate flattening device or the upper pressing head and the lower pressing head completely flatten the plate. The plate flattening device is capable of carrying out fixed-point flattening on the plates, so that the target requirements are met; meanwhile, the flatness of the plates can be automatically detected; parts required to be flattened are moved between the upper pressing head and the lower pressing head to be flattened; the flattening effect can be automatically detected until the flattening effect is qualified; the full-automatic flattening process is achieved; the flattening efficiency is improved; the labor intensity is reduced.

The invention discloses a pot seedling taking and transmitting device, which comprises a rack and a seedling disc having a plurality of through hole-type pot holes; the rack is provided with a seedling disc input mechanism for transmitting the seedling disc and a pot seedling output mechanism for transmitting the pot seedling; a seedling ejecting mechanism is disposed below the seedling disc input mechanism for ejecting the pot seedling out of the pot holes; and a pot seedling delivery mechanism is further mounted on the rack for delivering the ejected pot seedling to the pot seedling output mechanism. The pot seedling taking and transmitting device can perform automatic seedling taking and transmitting, reduce manual labor intensity, and improve transplanting efficiency.

The invention discloses a method for improving the rapid continuous casting tundish change success rate. The method comprises the following steps that firstly, the waiting time for which a steel ladlefully contains molten steel is 5-10 min, and the temperature that the steel ladle reaches a continuous casting platform is 1,590-1,600 DEG C; secondly, the work tundish molten steel pull rate is reduced by one gear at the interval of 20 s, and the pull rate of a continuous casting machine is reduced to 0.3 m/min within 8 min; thirdly, the work tundish liquid level is measured, and when work tundish pouring is stopped, a standby tundish car and a work tundish car conducting pouring are started towards the other side at the same time; fourthly, after the standby tundish car is driven to the pouring station, an infrared immersing type water gap is rapidly installed; fifthly, after preparation of the standby tundish car is finished and 10 tons of molten steel is poured, 150-200 kg of a covering agent is added into a standby tundish; sixthly, when the steel ladle pours 20 tons of molten steel into the standby tundish, the molten steel is injected into a crystallizer; and after the standbytundish starts pouring, the continuous casting pull rate starting operation is conducted. By means of the method, the rapid continuous casting tundish change time is shortened, the rapid continuous casting tundish change success rate is increased, the continuous casting machine operation rate is increased, the production cost is reduced, and the labor intensity of workers is relieved.

The invention discloses a dry process scale continuous production process of quartz sand, which comprises the process steps of quartz ore breaking and crushing, product grading, packaging and transportation, dust pollution treatment and the like. In the process step of the quartz ore breaking, a two-grade screening type breaker is adopted, and a cleaning dewatering screen and a broken stone drying tower are arranged between two grades of screening and breaking; in the process step of quartz ore crushing, a single-stage HK type sand making machine is adopted, and single-group production or multi-group parallel production can be performed from the HK type sand making machine to the finished product delivery after screening and grading. In the process step of product grading, the mode combining air classification and sieve classification is adopted, namely the process step of single-stage air classification, single-stage drum screen classification and two-stage rotation movable screeningmachine classification is adopted, wherein the air classification adopts negative pressure classification to realize comprehensive functions of separation and dust removal. In the process step of packaging and transportation, a production process in which a plurality of machine sets are connected in parallel is adopted, and the same product is collected and conveyed to a finished product storage bin by the same conveyor to realize the integration of packaging and shipping.

The invention relates to medicinal material cutting equipment for traditional Chinese medicine decoction piece manufacturing. The medicinal material cutting equipment comprises a bottom plate, a conveying device, a cutting device, a cleaning device and a material collecting device. The conveying device is arranged on the left side of the upper end of the bottom plate. The cutting device is arranged at the right end of the conveying device. The right side of the upper end of the bottom plate is provided with the material collecting device. The material collecting device is located on the rightside of the cutting device. The cleaning device is arranged at the upper end of the bottom plate. The cleaning device is located below the cutting device and the material collecting device. The medicinal material cutting equipment can solve the problems that during medicinal material cutting at present, a manual manner is commonly used for conveying and cutting, manual cutting safety is low, the effect is poor, the rejection rate is high, and the cutting length, size and thickness are not uniform; and when fiber and starch containing medicinal materials or medicinal materials containing more sticky liquid and saccharides are cut, residues on the surface of a cutting blade cannot be cleaned, the later cutting effect is influenced, the cut medicinal materials are manually collected, and thelabor intensity of manual work is increased.

The invention relates to an anti-scaling treatment method for stainless steel acid waste water subsequent treatment. The method comprises the following steps: (1) residual Ca<2+> in acid waste water which is subjected to lime neutralization, flocculation and precipitation is formed into precipitate of Ca<2+>; (2) flocculation is carried out, wherein the precipitate of Ca<2+> and other sludge formlarge alumen ustum; (3) precipitation is carried out; (4) pH value is regulated, wherein precipitated effluent flows into a final pH regulating pondage, the pH of water quality in the final pH regulating pondage is between 6 and 7 by adding hydrochloric acid; (5) filter is carried out, wherein after the performed steps, the Ca<2+> content in the water in the final pH regulating pondage is less than 150mg/l, SS content is 20mg/l, the effluent can meet the requirement of denitrification and subsequent treatment by utilizing filter of a sand filter, and the effluent is delivered to a denitrification facility for treatment. According to the method, the problems causing scaling and blockage of denitrification system pump and pipeline can be solved, so that the production and environmental-friendliness are facilitated, and the labor intensity of workers is reduced.

The invention relates to a recycling method of hydrochloric acid-acetic acid waste liquid, and belongs to the chemical technical field. The method of the invention comprises the following steps: adding calcium chloride into hydrochloric acid-acetic acid waste liquid to prepare a material for distillation, adding the material into a falling film column, performing reduced-pressure rectification, orderly performing dehydration and deacidification treatmend of the volatilized non-condensable gas, absorbing the non-condensable gas by water to obtain a hydrochloric acid solution; transferring the liquid in the falling film column after rectification into another container, adding an extractant and a diluent, performing extraction, allowing the liquid to stand for stratification, collecting theorganic phase, performing rectification of the obtained organic phase so as to obtain an acetic acid solution. The method of the invention has the following advantages: multiple units are combined for the waste liquid treatment, which reduces the production cost, decreases the labor intensity, and facilitates energy saving and emission reduction, and cleaner production; the recovered hydrochloricacid solution and acetic acid solution have good quality; no introduction of hydrogen chloride gas is needed to increase the concentration of the hydrochloric acid solution, which both increases the production security and ensures the quality of the recovered products.

The invention discloses a rapid construction process for sinking a vertical shaft pit shaft with large diameter on a deep surface soil layer by utilizing a freezing method. Aiming to overcome the defect of the prior art, the invention provides the following key technologies: a borehole deviational survey deviation correction technology, a freezing refrigerating capacity guaranteeing technology, a centrally control technology of a shaft sinking winch, a multifunctional hanging scaffold fixing technology, an automatically and centrally stirring technology of high-strength concrete, application of an improved rock rake in a frozen loose bed, application of a small excavator in the frozen loose bed and a thick expanded clay bed supporting technology. The process meets the policy requirement of low power consumption in China, lowers the working intensity of workers, simplifies the operation procedures and shortens the period of construction.

The invention discloses a rapeseed substrate block seedling transplanting device. The device comprises a rack, a driving rotating shaft, a chain wheel, multiple seedling delivery side plates, a seedling pushing device, multiple main seedling delivery plates, multiple seedling separating devices and multiple seedling taking devices, wherein the chain wheel is arranged on the driving rotating shaft,the seedling delivery side plates are uniformly arranged on the rack side by side, the seedling pushing device is located above the seedling delivery side plates, the main seedling delivery plates are connected with the driving rotating shaft separately, the seedling taking devices are connected with a seedling taking shaft separately, the number of the seedling delivery side plates, the number of the main seedling delivery plates, the number of the seedling separating devices and the number of the seedling taking devices are all equal, and the seedling delivery side plates, the main seedlingdelivery plates, the seedling separating devices and the seedling taking devices are arranged correspondingly one to one; the end side of an opening of each seedling delivery side plate is in butt joint with the corresponding main seedling delivery plate, each seedling separating device is arranged on the tail end of the corresponding main seedling delivery plate, and each seedling taking deviceis located above the corresponding seedling separating device. The rapeseed substrate block seedling transplanting device has the advantages that seedling delivery, seedling separating and seedling taking planting of rapeseed substrate block seedlings can be completed at a time, the device is suitable for seedling raising and transplanting of cube substrate blocks of different sizes in a certain range, bowl bodies are not consumed during seedling raising, and the work cost can be saved.

The invention relates to transportation manipulators of a railway truck body, comprising a lead screw pair, a sideslip frame, an electric block, a crane and a speed reduction machine. The transportation manipulators of the railway truck body are characterized in that the sideslip frame is arranged on a movable transverse beam of the crane, both ends of the sideslip frame are connected with a pair of manipulators by a pivot shaft, the manipulators are provided with external sleeves, an internal sliding sleeve displacing up and down is assembled in the external sleeves, the lower end of the internal sliding sleeve is connected with a support hook, a pulley block driven by the electric block is assembled between the external sleeves and the internal sliding sleeve, the inner sides of the manipulators are provided with a positioning frame and an external spread driving device, the external spread driving device is provided with a power speed reducing mechanism and the lead screw pair, a screw nut of the lead screw pair is in pivot joint with one end of two pull rods, and the other end of the two pull rods is respectively in pivot joint with the two manipulators; one end of the sideslip frame is provided with a micro-adjustment transverse device of the lead screw pair. The invention has the advantages that the truck body can be convenient to move, the efficiency is greatly enhanced when being maintained in a factory and a section, the truck body when moving does not collide with maintenance equipment below the truck body, and the invention is safe and convenient and lightens the labor intensity of a worker obviously.