46results about How to "Improve working time" patented technology

The invention discloses a preparation method of tolvaptan. The method is characterized in that tolvaptan is obtained through an amidation reaction of 7-chloro-5-hydroxy-2,3,4,5-tetrahydro-1H-1-benzoaza and 2-methyl-4-(2-methylphenylamido)benzoyl chloride. The method has the advantages of novel design, work time efficiency increase, reduction of waste liquid discharge, simple operation, easily available raw materials, simple post-treatment and high yield, and is suitable for industrial production.

Biodegradable antimicrobial films are provided that are solid at room temperature and substantially liquefy in situ after implantation into a mammal, such as a human patient. Methods of using the films to cover a medical device, such as a breast implant, prior to insertion into a subject are also provided.

The invention relates to a hand drill type donkey skin sample sampling device. The hand drill type donkey skin sample sampling device is mainly used for solving the technical problem that the sampling is difficult due to the hardening of donkey skin. The hand drill type donkey skin sample sampling device comprises an electric drill and a drilling bit sampler; a drill jig is mounted at the front end of a charged type electric drill body; the drilling bit sampler comprises a hollow drill bit, an ejection mechanism and a drill shank, and sliding grooves are symmetrically formed in the two sides of the upper part of the hollow drill bit; the ejection mechanism comprises a pressure lever, a vertical rod, springs, a spring anchorage bracket and an ejection end cover; the two ends of the pressure lever are arranged in the sliding grooves in a slideable manner; annular sawteeth are arranged at the outer edge of the front end of the hollow drill bit; one end of the drill shank is fixed behind the hollow drill bit. According to the hand drill type donkey skin sample sampling device, a donkey skin sample can be sampled simply and quickly.

The invention provides a non-releasing valve replacing device for a casing valve. The non-releasing valve replacing device for the casing valve comprises a packer, a hydraulic feeding mechanism, a mechanical locking mechanism, a hydraulic valve moving mechanism and a packer fixing device, wherein the hydraulic feeding mechanism comprises a feeding rod detachably connected with the packer and a feeding hydraulic cylinder connected with the feeding rod and used for driving the feeding rod to perform reciprocating motion in the axial direction of the feeding rod. The mechanical locking mechanism comprises a locking support fixedly connected with a tubing head, a locking screw connected onto the locking support and consistent to the feeding rod in axial direction and a locking press plate detachably connected with the locking screw, wherein the locking press plate is connected with the feeding rod. The hydraulic valve moving mechanism comprises a valve moving support for being fixedly connected with a gate valve and driving the gate valve to perform reciprocating motion in the axial direction of a feeding transmission rod and a valve moving hydraulic cylinder for driving the valve moving support to perform reciprocating motion in the axial direction of the feeding rod, wherein the valve moving hydraulic cylinder is fixedly connected with the valve moving support. By using the non-releasing valve replacing device for the casing valve, a casing master control valve of a Christmas tree is replaced under the non-releasing condition, and safe and reliable valve replacing process is ensured.

The invention belongs to the technical field of laser welding and particularly relates to a multi-station impeller laser welding machine. The multi-station impeller laser welding machine comprises a rack which is internally provided with a laser welding robot, a laser device and a clamp assembly; the clamp assembly comprises a first rotary table, a slewing gear is installed below the first rotary table, and the first rotary table is provided with two impeller clamping mechanisms; and each impeller clamping mechanism comprises a supporting disc, a positioning piece arranged on the corresponding supporting disc and at least two pressing assemblies, and the pressing assemblies and the positioning pieces are arranged in an equidistant mode. The double-station or multi-station cooperation effect is achieved, one impeller clamping mechanism is enabled to be in laser welding, and other impeller clamping mechanisms are used for replacing workpieces; the device working time efficiency is improved, the time for clamping and tool smelting equipment replacing is reduced, and the device working time efficiency can be better improved through double stations or multiple stations; and a positioning mold is matched with a shaft hole between impellers to achieve impeller positioning.

The invention discloses a rodenticide bait casting machine. The rodenticide bait casting machine can effectively lower labor intensity of personnel, have higher safety, and achieve precise quantitative bait casting. The machine comprises a rodenticide storage box, a back belt is arranged on the rodenticide storage box, and the machine further comprises a rodenticide guiding tube; a bait guiding tube is arranged on the side wall, close to the lower end, of the rodenticide guiding tube, a bait blocking plate is arranged in the rodenticide guiding tube, and a quantitative bait casting device is arranged in an inner cavity in the upper portion of the rodenticide guiding tube. In the process of bait casting by using the rodenticide bait casting machine, operating personnel do not need to bend down and only stand so that the operation can be completed, through the design of the cane type, the labor intensity of the operating personnel is greatly reduced, the operating personnel are not in contact with the bait in the process of bait casting, and the situation is also avoided that the operation personnel are poisoned; meanwhile, the situation is also avoided that the bait casting personnel are in contact with poisonous snakes on the grassland, so that the safety is greatly improved, the amount of bait casting every time is fixed, and precise quantitative bait casting can be achieved. The rodenticide bait casting machine is suitable for application and popularization in the field of grassland treatment.

The invention relates to the technical field of staking devices, and discloses a furniture plate staking device. The furniture plate staking device not only can achieve staking conveniently, but alsocan quickly and accurately position connecting plates, and simultaneously can adjust the positioning position so as to adapt to staking of different plates. According to the furniture plate staking device, during staking, when a first plate is connected with a second plate in an anchoring mode, a positioning mechanism positions the first plate, and the first plate is locked by a locking mechanism;then the second plate is moved so that the second plate can be clamped, connected and positioned by taking the first plate as a reference; the second plate is locked by the locking mechanism; and finally the first plate is fixedly connected with the second plate in a staking mode through a staking mechanism. Therefore, the staking of plates is achieved quickly, and the operation is easy and convenient.

The embodiment of the invention discloses an expressway roadside sensing equipment layout scheme evaluation method and system, and the method comprises the steps: determining a layout scheme evaluation index, and constructing a comprehensive evaluation index system; and based on the comprehensive evaluation index system, evaluating different layout schemes to obtain an optimal roadside sensing equipment layout scheme. Compared with an existing intelligent high-speed design which mainly focuses on historical experience and manufacturer opinions, the method has the advantages that the accuracy of the layout scheme of the highway roadside sensing equipment can be improved, and the roadside sensing equipment can play a huge role under limited configuration, so that the cost performance is relatively high; resource waste is avoided on the basis of meeting traffic perception requirements; in addition, the method can assist intelligent high-speed designers in improving work efficiency, reducing redundant workload, providing scientific data support for intelligent high-speed design and providing basis for compilation of related standard specifications.

The invention discloses a pipeline strengthening and centering device which is used for maintaining oil well pipelines. The pipeline strengthening and centering device comprises a guide device, a first pipeline locking device and a second pipeline locking device. The first pipeline locking device and the second pipeline locking device are arranged in the guide device, and are buckled at two ends of a to-be-maintained pipeline. The distance between the first pipeline locking device and the second pipeline locking device on the guide device can be changed. With the pipeline strengthening and centering device, number of on-site operating workers in the process of oil fieldpipeline maintenance can be reduced, operating time can be saved and working efficiency can be improved.

The invention discloses a heat insulation system and method for a building, and relates to the technical field of buildings. The heat insulation system comprises a roof, a middle partition plate is fixedly installed on the inner wall of the roof, a heat dissipation device is arranged inside the roof and comprises a heat dissipation fan, the heat dissipation fan is rotationally installed on the middle partition plate, a dustproof ventilation opening is fixedly formed in the outer wall of the roof, a shielding plate is fixedly installed on the outer wall of the top of the roof, a heat dissipation column penetrates through the top of the roof and is fixedly installed at the top of the roof, and the outer wall of the bottom of the heat dissipation column is fixedly installed at one end of an auxiliary fin. According to the heat insulation system and method for the building, the heat dissipation device is arranged, when heat insulation is needed, only the heat dissipation fan needs to be started, a heat dissipation air duct can be formed through the dustproof ventilation opening, meanwhile, the heat dissipation column and the auxiliary fin can effectively provide an auxiliary heat dissipation effect, the situation that a wall material is used for heat insulation is avoided, the working efficiency of heat insulation of the building is improved, and the heat insulation and heat dissipation efficiency is effectively improved.

A shared access system is for a plurality of shared access devices to share data and power, and one of the shared access devices includes an instruction unit, a connecting unit, a storage unit, a power unit and a processing unit. The instruction unit is for storing a plurality of application modes related to a plurality of multifunctional shared applications respectively; the connecting unit is for receiving and transmitting the data and transmitting the power; the storage unit has a storage space for storing the data; the power unit stores the power; and the processing unit is coupled to the instruction unit, the connecting unit, the storage unit and the power unit, and the processing unit determines sharing the data and the power according to the execution of one of the application modes.

The invention relates to the field of algae processing, and especially relates to an exchange mixed flow algae control machine. The exchange mixed flow algae control machine comprises a control handle, a casing, a drainage cylinder, a crushing device, a suction device and at least four floating bodies, both ends of the casing are openmouthed, the drainage cylinder is arranged at the bottom of thecasing, the crushing device is arranged in the upper half of the drainage cylinder, the suction device is arranged at the bottom of the drainage cylinder, the lower half outside the casing is providedwith a bracket, all floating bodies are disposed at the periphery of the bracket, the bottom of each floating body is connected to the bracket through a connecting bracket, the crushing device comprises a crushing motor and two rollers with symmetric gaps, the two rollers are respectively corresponding to the opening at the bottom of the casing, the crushing motor is disposed outside the drainagecylinder, a controller is arranged outside the casing, the control handle is communicatively connected with the controller, the side of each floating body is provided with a propeller, and all the propellers are electrically connected to the controller. The whole machine has small volume, is convenient for manual and flexible movement, and can place the pulverized algae at the bottom of the waterfor a fish bait.

The invention discloses a throttling device for a cementing bumper pressure relief valve, which comprises an external threaded joint and an internal threaded joint, a center pipe is arranged at the center of the external threaded joint, and an internal thread buckle is provided at one end of the external threaded joint. One end is provided with an external thread union, the internal thread union is connected with the grouting gate, the external thread union is connected with the cementing pressure relief valve, and the side of the external thread joint is provided with an external thread A union joint, one end of the internal threaded joint is provided with a casing as a mud cover, and a high-pressure self-sealing joint is provided at the top of the casing as a mud cover. The throttling device of the cementing pressure relief valve of the present invention can prevent high-pressure drilling fluid from splashing and hurting people, protect the environment, reduce the labor intensity of workers, improve the working time and the safety factor of the equipment, and has a simple structure and low cost. Easy to operate.

The invention relates to a deploying system for online ticket buying operation. The deploying system includes a front-end device comprising a data relay device, the data relay device is configured toreceive a batch order of a network ticket with a plurality of pieces of network ticket buying transaction data; and a backend device comprising an order operation allocation device and a data access device, the order operation allocation device is in signal connection between the data relay device and the data access device, and the order operation allocation device is configured to execute allocation operation processing of the batch of orders and store the result of the allocation operation processing in the data access device. Therefore, the deploying system enables the consumer to quicklyobtain the response processed by the ticket buying operation system.

The invention relates to the technical field of glass engraving, in particular to a glass engraving fixing device. The glass engraving fixing device comprises a fixed table; an operating stand is fixedly connected to one side of the fixed table; a movable block is slidably connected to the fixed table; a clamping block is fixedly connected to the top end of the movable block; a groove is formed inone side of the clamping block; and a crash pad is movably connected into the groove; a negative pressure sucker is arranged on the operating stand; the negative pressure sucker is arranged on the operating stand; the bottom end of the negative pressure sucker is fixedly connected with a negative pressure generator through a negative pressure pipe; a fixed block is arranged on one side of the operating stand and movably connected with a movable rod; the top end of the movable rod is fixedly connected with a universal joint; the top end of the universal joint is movably connected with a clamping piece; and a pressing wheel is arranged above the operating stand and is driven by a driving device. According to technical scheme, the glass engraving fixing device has the advantages that the fixing effect is effectively improved during glass engraving operation, workpiece waste is avoided, and the working efficiency is well improved.