49results about How to "Reduce on-site labor intensity" patented technology

The invention relates to a construction method of a quake-proof residential house, in particular to a method for constructing a quake-proof masonry house by utilizing prefabricated constructional column ring beams, which comprises the following steps of: firstly, prefabricating side columns, intermediate columns, beams, longitudinal beams, three-nodes, four-nodes and cored slabs; driving cinch bolts through circular holes arranged on connecting pieces; and respectively fixedly connecting the side columns, the intermediate columns, the beams and the longitudinal beams with the three-nodes or the four-nodes to construct the constructional column ring beam frames of the masonry house. In the invention, constructional columns, ring beams, the nodes and the cored slabs used for constructing the masonry house are prefabricated in a factory, and then the connection and the installation are carried out by adopting the cinch bolts in on-site construction. The construction is simple, the speed is high, the quality is reliable and the aseismic performance is good; in the construction process, a cast-in-place reinforced concrete wet operation process is completely canceled, large number of steel (wood) templates do not need to be purchased or hired and steel bar cutting equipment doe not need to be used, thereby reducing the on-site labor strength and saving construction cost.

The present invention discloses a method for preparing catalyst capable of converting mercaptan contained in the gasoline. Said method includes the following steps: (1), activation of carrier; (2), dissolving the active component in the solvent, the described active component is phthalocyanine cobalt compound, and the described solvent is a simple organic solvent or organic mixed solvent or organic-inorganic mixed solvent; (3), soaking the carrier activated in step 1 in the solution obtained in the step 2 so as to obtain mixed material; (4), making the carrier be filtered out from mixed material obtained in step 3 and drying said carrier; (5), soaking the dried carrier in the inorganic alkaline solution to obtain a mixture material; and (6), filtering out said carrier from the mixture material obtained in the step 5 and drying said carrier so as to obtain the invented catalyst.

The invention discloses a wire winding device for tidying an experimental test conducting wire, which is used at experimental test sites of scientific research institutions or engineer operation units. The device comprises a bracket, a wire winding device and a wire cleaning device; the upper part of the bracket is provided with a horizontal cross beam; the wire winding device comprises three wire spokes arranged in an angle of 120 degrees and movably connected with the cross beam, and wire winding rods respectively arranged at the front end of each wire spoke; the wire cleaning device comprises a support arm obliquely arranged on the bracket, a cross arm fixed at the front end of the support arm, a U-shaped frame fixed on the cross arm, and a pair of wire cleaning wheels fixed on the cross arm and the U-shaped frame. The wire winding device is suitable for the situations of mobile operation, and is portable and convenient to use; in a wire winding process, the conducting wire is tensioned, the stress in the conducting wire is released, and the wound wire coil cannot be intertwined together; a telescopic structure is designed between the wire winding rods and the wire spokes, and the diameter of the wire coil can be adjusted according to actual requirement, so that the wire winding device has better adaptability.

The invention discloses a ladle bottom argon blowing control system and a method. The ladle bottom argon blowing control system for an industrial personal computer comprises an industrial personal computer argon blowing control module and an industrial personal computer transmission module, wherein the industrial personal computer argon blowing control module interacts with the industrial personalcomputer transmission module, and the industrial personal computer argon blowing control module comprises an industrial personal computer argon blowing starting module, an information acquisition module, a mathematical model distribution module, an argon blowing mode selection module, a first calculation module and an industrial personal computer argon blowing closing module. The ladle bottom argon blowing system for the industrial personal computer establishes an argon blowing mathematical model for the all-steel type smelting outside a furnace, and different mathematical models can be automatically selected according to different steel types to realize the full-automatic adjustment of argon pressure and flow control in the steel ladle argon blowing process, and meanwhile, two control modes of a remote industrial personal computer control and an on-site terminal control are provided, so that different requirements of technical personnel on a steel ladle bottom argon blowing control are adapted.

The present invention discloses a preparation method of catalyst for converting mercaptan contained in the liquefied gas. Said method has the following steps: (1), activation of carrier; (2), dissolving active component in the solvent, the described active component is phthalocyanine cobalt compound, the described solvent is simple organic solvent or organic mixed solvent or organic-inorganic mixed solvent; (3), soaking the carrier activated in step 1 in the solution obtained by step 2 so as to obtain a mixed material; and (4), making the carrier be filtered out from the mixed material obtained in the step 3, drying said carrier so as to obtain the invented catalyst.

The invention discloses a water exploration string capable of monitoring horizontal-section production flow and water content in horizontal and vertical well sections and an operation method of water with an aim to improve accuracy of water exploration test in horizontal wells and water exploration efficiency. The water exploration string is connected all levels of connecting units composed of intelligent switches and packers through an oil pipe, each connecting unit corresponds to one layer section, and the intelligent switch on the topmost level is upwardly connected with an underground storage type water monitor, an oil well pump and a sucker rod connected with a pumping unit in the vertical well sections. Acquisition time of the monitor and the intelligent switches are set on the ground, when underground production starts, data of flow and water content and the like of fluid on each layer section are monitored online, recorded and played back through the underground storage type water monitor, and water production sections and water yield can be judged. Online water exploration test is performed through the underground storage type water monitor, so that accuracy in test and water exploration efficiency can be improved, on-site labor intensity can be lowered, and reliable basis can be provided for water control and oil production measures of the horizontal wells.

The invention discloses a method for checking phase sequences of lines. The method is used for measuring insulation resistance values of all phases and inspecting the correctness of construction wiring of lines by using tools such as an insulation resistance meter and ground wires according to know phase sequences on two sides of lines. The method is simple and practical, operators can master and use the method easily, whether wiring phase sequences of lines are correct can be determined quickly, problems caused by wrong wiring of phase sequences can be found out timely and rectified in construction phases, and the situation that reworking and rectification are conducted when wrong wiring phase sequences of lines are found out after charged lines are put into operation can be avoided, so that the working efficiency is improved, the on-site labor intensity of workers is reduced, the electricity supply reliability is improved, and the safe operation of power grids can be guaranteed.

The invention discloses a vertex-aligning buttress balancing plate type cutting supporting block device, which comprises supporting block walls and an inter-wall top beam, wherein the supporting block walls are respectively arranged on the two sides of a road and extend along the direction of the road; the inter-wall top beam is arranged between the two opposite supporting block walls; each of the supporting block walls comprises a block wall panel and a beam type balancing plate, and the beam type balancing plate is arranged on the outer side of the block wall panel and is vertical to the block wall panel; a slope type wall heel is arranged at the bottom of each block wall panel; each slope type wall heel comprises a wall heel and a wall toe plate, the wall heel is arranged at the bottom of the block wall panel, and the wall toe plate is arranged on the inner side of the bottom of the block wall panel and is vertical to the block wall panel; the two ends of the inter-wall top beam are respectively resisted against the wall toe plates of the supporting block walls on the two sides of the road. The vertex-aligning buttress balancing plate type cutting supporting block device provided by the invention can be used for reducing the on-site labor intensity, improving the operation condition, increasing the environmental protection effect and reducing the engineering cost.

The invention provides an online rock burst monitoring system and method based on support resistance monitoring. The online rock burst monitoring system based on support resistance monitoring comprises a ground processing system located on the ground, a forepoling hydraulic support resistance force online monitoring device and a support locating system, wherein the forepoling hydraulic support resistance force online monitoring device and the support locating system are located underground and connected with an underground optical fiber ring network and an underground explosive-proof type intrinsic safety power source correspondingly. The forepoling hydraulic support resistance force online monitoring device comprises forepoling hydraulic supports, support pressure sensors installed on theforepoling hydraulic supports, data collectors installed on the side portion of a working face roadway and an underground substation. The support locating system comprises identification cards and card reading substations. The online rock burst monitoring system and method based on support resistance monitoring expand the types of rock burst monitoring and early-warning methods, by means of roadway forepoling hydraulic support resistance force online monitoring and achievement of automatic locating, a region of high stress and the change tendency of the region of the high stress are found, and then real-time monitoring, early warning and forecasting of the rock burst dangerous area and the danger degree are achieved.

The invention discloses a wireless magnetic mark acquisition system of logging cables. The system comprises a magnetic mark transmitter which is arranged on a well head and a magnetic mark receiver which is arranged on the back bin of a winch, wherein the magnetic mark transmitter is communicated with the magnetic mark receiver in a wireless way. The stopping time of a wired magnetic mark system due to on-site clearing of troubles which are always caused by plug fault and circuit fault is shortened, and the magnetic mark on-site utilization fault rate is reduced. Simultaneously the work load of on-site wellhead construction persons is lightened, wire drawing is not necessary, and the operation stability of the system is reinforced. A self-wound high-precision marking device is adopted to increase the wear resistance and the amplitude of signal. The wireless magnetic mark acquisition system solves the defects of the existing wireless magnetic marking system such as long distance, large interference and low measurement precision.

The present invention discloses a method for preparing catalyst capable of converting mercaptan contained in the gasoline. Said method includes the following steps: (1), activation of carrier; (2), dissolving the active component in the solvent, the described active component is phthalocyanine cobalt compound, and the described solvent is a simple organic solvent or organic mixed solvent or organic-inorganic mixed solvent; (3), soaking the carrier activated in step 1 in the solution obtained in the step 2 so as to obtain mixed material; (4), making the carrier be filtered out from mixed material obtained in step 3 and drying said carrier; (5), soaking the dried carrier in the inorganic alkaline solution to obtain a mixture material; and (6), filtering out said carrier from the mixture material obtained in the step 5 and drying said carrier so as to obtain the invented catalyst.

The invention discloses a powder charging hole sealing method applied to top plate deep hole pre-splitting blasting. A rubber hole sealing device, an anchoring rod anchoring agent, cartridge groups, cartridges, a push rod and a detonator are included, a secondary detonating cord and a plastic wire rope are installed at the rear end of the dynamite in the last piece of the cartridge in each group of the cartridge group, the plastic wire rope transversely penetrates through a cartridge tube, all secondary detonating cords are in parallel connection with a primary detonating cord, the front and rear ends of the primary detonating cord are fastened to the first piece of the cartridge and the last piece of the cartridge of the last piece of the cartridge groups respectively, an electric detonator is installed in the rear end of the dynamite in the last piece of the cartridge in the last cartridge group, a leading wire is connected with the electric detonator, and the electric detonator sequentially penetrates through the anchoring rod anchoring agent and a capsule hole sealing device and is led out of a detonating hole and connected with the detonator. The method has the advantages thatmaterials used in powder filling and hole sealing are less, consumed time is less, the number of used workers is less, the capsule hole sealing device can be recovered after releasing pressure afterdetonation, the cost is low, simultaneous bomb pulling and hole penetrating are prevented, and the hole sealing effect is good.

The invention discloses a comprehensive parameter testing device for multifunctional coil equipment, which comprises: a main control board; a program-controlled test power supply module and a measurement unit module respectively connected to the main control board, and a display control part; an isolation transformer whose input terminal is connected to the main control board. The output terminal of the program-controlled test power supply module is connected; the main control board controls the output voltage of the program-controlled test power supply module through the serial port to continuously adjust the sine wave test power supply and control the orderly operation of the measurement unit module; the sine wave test power supply is output through the output terminal of the isolation transformer; The output end of the isolation transformer is provided with a voltage sensor and a current sensor; the measurement unit module calculates the voltage and current signals collected by the voltage sensor and the current sensor in real time and outputs the calculation result; the display control part receives and displays, prints, and stores Calculation results. The invention has the advantages of reducing the number of test equipment, reducing the labor intensity on site, and making the test work more efficient and reliable.

The invention discloses a cutting supporting and retaining device with dual balance weight plates. The device comprises a retaining wall panel, an upper balance weight plate and a lower balance weight plate, wherein the upper balance weight plate and the lower balance weight plate are arranged on the outer side of the retaining wall panel and are perpendicular to the retaining wall panel, the lower balance weight plate is arranged at the bottom of the retaining wall panel, and the upper balance weight plate is located above the lower balance weight plate. With the cutting supporting and retaining device with dual balance weight plates, the manual labor intensity on site can be reduced, the operating conditions are improved, the environmental protection effect is improved, and the engineering cost is reduced.

The invention relates to a construction method of a quake-proof residential house, in particular to a method for constructing a quake-proof masonry house by utilizing prefabricated constructional column ring beams, which comprises the following steps of: firstly, prefabricating side columns, intermediate columns, beams, longitudinal beams, three-nodes, four-nodes and cored slabs; driving cinch bolts through circular holes arranged on connecting pieces; and respectively fixedly connecting the side columns, the intermediate columns, the beams and the longitudinal beams with the three-nodes or the four-nodes to construct the constructional column ring beam frames of the masonry house. In the invention, constructional columns, ring beams, the nodes and the cored slabs used for constructing the masonry house are prefabricated in a factory, and then the connection and the installation are carried out by adopting the cinch bolts in on-site construction. The construction is simple, the speed is high, the quality is reliable and the aseismic performance is good; in the construction process, a cast-in-place reinforced concrete wet operation process is completely canceled, large number of steel (wood) templates do not need to be purchased or hired and steel bar cutting equipment doe not need to be used, thereby reducing the on-site labor strength and saving construction cost.

The invention discloses a crude oil single well metering and measuring system which comprises a shell, a main controller, a receiving terminal, a flow measuring assembly, a density measuring assembly and a temperature measuring assembly. The shell comprises an inner layer shell body and an outer layer shell body, and heat insulation cotton is arranged between the inner layer shell body and the outer layer shell body. A heat guide oil storage chamber is arranged in the inner layer shell body, and an explosion-proof box support is arranged on the outer layer shell body. An explosion-proof box is connected to the explosion-proof box support, and a transverter, an air switch and a tracing ribbon are arranged in the explosion-proof box. The tracing ribbon is located in the transverter. The air switch controls the tracing ribbon to be started and stopped. The flow measuring assembly is arranged in the inner layer shell body, and the density measuring assembly and the temperature measuring assembly are both arranged on the outer layer shell body. The flow measuring assembly, the density measuring assembly and the temperature measuring assembly are all in signal connection with the main controller, and the main controller is in signal connection with the receiving terminal. The metering precision of an oil well is improved, the using cost of an oil well metering instrument is reduced, and the metering efficiency of the oil well is improved.

The invention relates to a frame structure building, in particular to a hanging plate type earthquake reduction envelope structure of a frame type structure building and belongs to the technical field of earthquake prevention and disaster mitigation. In order to overcome the defect that the earthquake resistance performance of a traditional masonry or base plate type envelope structure is not well utilized, and the traditional masonry or base plate type envelope structure becomes a burden of a body structure under the earthquake action, the design conception of adopting the prefabricated hanging plate envelope structure is provided, the prefabricated hanging plate type envelope structure is hung on the lower portion of a beam above the envelope structure through connecting hanging parts, and the hanging plate type envelope structure and the body structure are fixed by the adoption of protection connection structures so that normal using functions of the envelope structure can be guaranteed. Under the frequent earthquake action, the hanging plate type envelope structure and the body structure are kept complete relatively. Under the strong earthquake action, foam concrete around is broken, the hanging plate type envelope structure hung on the beam swings under the earthquake action, in this way, the earthquake period of the structure is changed, energy, input into the structure, of an earthquake is consumed, then the purpose of reducing the earthquake response of the body structure is achieved, and the overall earthquake resistance performance of the structure is improved.

The invention discloses an oil agent for a carbon fiber precursor. The oil agent comprises dimethyl silicone oil, amino silicon oil, polyether silicone oil and aliphatic polyoxyethylene ether, the oilagent is dispersed in water to form waterborne emulsion, the dimethyl silicone oil accounts for 60-80% of the weight of a non-volatility component of the oil agent, the amino silicon oil accounts for1-10% of the weight of the non-volatility component of the oil agent, the polyether silicone oil accounts for 1-10% of the weight of the non-volatility component of the oil agent, and the aliphatic polyoxyethylene ether accounts for 15-35% of the weight of the non-volatility component of the oil agent. According to the oil agent, absolute amount of dimethyl silicone oil and a small quantity of amino silicon oil and polyether silicone oil serve as main components of the oil agent, the aliphatic polyoxyethylene ether serves as an emulsifying agent, stable oil agent emulsion with small average particle size can be prepared, affinity and uniform film-forming property of the oil agent and the precursor can be achieved, the problem of roll sticking of modified silicon oil in the use process issolved, running stability is improved, on-site labor intensity is reduced, and high-quality and high-grade PAN (polyacrylonitrile) precursors and carbon fiber products are acquired.

The invention discloses a dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing. The device comprises a plurality of columnar supporting and retaining walls which are arranged on the two sides of a road and extend along the road direction, wherein each columnar supporting and retaining wall comprises a columnar retaining wall, an upper balance-weight plate and a lower balance-weight plate; the upper balance-weight plate and the lower balance-weight plate are arranged on the outer side of the columnar retaining wall and are vertical to the columnar retaining wall; the lower balance-weight plate is arranged at the bottom of the columnar retaining wall; the upper balance-weight plate is positioned above the lower balance-weight plate; a slope type wall heel is arranged at the bottom of the columnar retaining wall and comprises a wall heel which is arranged at the bottom of the columnar retaining wall and a wall toe plate which is arranged on the inner side of the bottom of the columnar retaining wall and is vertical to the columnar retaining wall; diagonal bracing strips are arranged above the wall toe plate. According to the dual-weighing plate column type road cutting supporting and retaining device with diagonal bracing provided by the invention, the labor intensity of field workers can be reduced, the operation condition is improved, the effect of environmental protection is improved, and the project cost is reduced.

The invention discloses a method for detecting the whole straightness of a steel pipe, which comprises the following steps of: arranging an inclined guide rail which forms a certain included angle with a horizontal plane according to the diameter of the steel pipe to be detected and a preset steel pipe straightness reference value; judging the straightness of the steel pipe to be detected in reference to the preset steel pipe straightness reference value; determining that the straightness of the steel pipe to be detected is less than or equal to L and meets the requirement on the steel pipe straightness if the steel pipe to be detected rolls down from the inclined guide rail; and determining that the straightness of the steel pipe to be detected is more than or equal to L and does not meet the requirement on the steel pipe straightness if the steel pipe to be detected does not roll down from the inclined guide rail. By the method, the detection speed of the steel pipe straightness is greatly improved, and on-site labor intensity is reduced; and the method also can be used for detecting the straightness of an irregularly bent steel pipe.

An intelligent subway rail welding vehicle comprises a frame (1), a cab (4), a functional room (2), an operation room (5) and a welding machine room (21) are arranged above the frame (1), a power transmission system (6) and a hydraulic oil tank (14) are arranged in the functional room (2), an office area and an operation area are arranged in the operation room (5), a welding machine (19) and a welding machine take-up and pay-off device (20) is arranged in the welding room (21). A front driving bogie (9), a diesel tank (7) and a rear driving bogie (10) are arranged below the frame (1); escalators (13) are arranged on the two sides of the front drive bogie (9); and an overturn door (17) is arranged at the end of the welding machine room (21). The intelligent subway rail welding vehicle can automatically run to a rail welding site to conduct online welding, offline welding and base welding, and if extreme derailment occurs, the vehicle can be rapidly lifted and restored; all operations inthe operation process are designed mechanically and automatically.

The invention discloses a device and a method for checking cable wiring. The device comprises a transformer, a control switch connected with an input end of the transformer, and an ampere meter connected with an output end of the transformer. The method comprises the following steps that: at a load side, any one of to-be-checked cables is connected with a shielding ground wire of the cable in a short-circuit mode; at a power-supply side, a second output wire of the device is connected with the shielding ground wire of the cable, and a first output wire of the device is connected with any one of the cables for a short period of time; the ampere meter is observed, and when an pointer of the ampere meter swings greatly, the wire connected with the first output wire of the device and the wireconnected with the shielding ground wire at the load side are the same wire, so the first wire is checked out. Electric equipment at the load side of the cable does not need to be disassembled duringchecking of the cable wiring, thereby reducing the labor intensity, improving the working efficiency and shortening the equipment shutdown time.

The invention provides an aerated concrete slab solid waste recovery system which comprises a stirring bin arranged on an equipment platform, a mixing bin arranged in the stirring bin, a feeding system penetrating through the side wall of the mixing bin, a liquid spraying system arranged in the mixing bin, a defoaming system arranged below the feeding system and connected with the feeding system, and a driving system connected with the liquid spraying system. Powder is sprayed into the mixing bin through the feeding system, liquid in a liquid storage bin is centrifugally sprayed out to form fog drops through cooperation of the liquid spraying system and the driving system, and the powder and the fog drops which move relatively collide with each other, so that the powder is mixed in the air; slurry drops falling onto a material receiving plate are subjected to secondary shearing and crushing through the defoaming system, so that bubbles in the slurry drops are completely removed, the powder and the liquid are mixed more uniformly, the subsequent stirring time is shortened, and the production efficiency is improved; and through continuous powder adding and continuous slurry spraying, continuous automatic production is achieved.

The invention discloses a wireless magnetic mark acquisition system of logging cables. The system comprises a magnetic mark transmitter which is arranged on a well head and a magnetic mark receiver which is arranged on the back bin of a winch, wherein the magnetic mark transmitter is communicated with the magnetic mark receiver in a wireless way. The stopping time of a wired magnetic mark system due to on-site clearing of troubles which are always caused by plug fault and circuit fault is shortened, and the magnetic mark on-site utilization fault rate is reduced. Simultaneously the work load of on-site wellhead construction persons is lightened, wire drawing is not necessary, and the operation stability of the system is reinforced. A self-wound high-precision marking device is adopted to increase the wear resistance and the amplitude of signal. The wireless magnetic mark acquisition system solves the defects of the existing wireless magnetic marking system such as long distance, large interference and low measurement precision.

The invention provides a rotary upsetting platform. The rotary upsetting platform is characterized by comprising a base, a rotary table and a motor; a boss is arranged on the base, the rotary table isarranged on the upper surface of the boss, and the rotary table can rotate; the motor is arranged on the base, and the motor provides power for rotation of the rotary table; an annular rack is arranged on the periphery of the rotary table; and the output shaft of the motor is sleeved with a gear, the gear is meshed with the rack, the motor drives the gear to rotate, and the rotation of the gear drives the rack to rotate so as to enable the rotary table to rotate. According to the rotary upsetting platform, the platform can be uniformly rotated so that all parts of a forge piece can be uniformly rolled, the quality of the forge piece is effectively guaranteed, the production efficiency of the forge piece is greatly improved, and the labor intensity of the site is reduced.

The invention discloses an oil agent for carbon fiber precursor, which is an aqueous emulsion formed by dispersing dimethyl silicone oil, amino silicone oil, polyether silicone oil, and aliphatic polyoxyethylene ether in water; Among them, the mass proportion of dimethyl silicone oil is 60-80%, the mass proportion of amino silicone oil is 1-10%, the mass proportion of polyether silicone oil is 1-10%, the mass proportion of aliphatic polyoxyethylene ether The proportion is 15~35%. The present invention can obtain stable and small average particle size by using simethicone oil and a small amount of amino silicone oil and polyether silicone oil as the main components of oil agent, and using aliphatic polyoxyethylene ether as emulsifier. Oil agent emulsion, realize the affinity between oil agent and the surface of raw silk, uniform film-forming property, solve the sticking phenomenon of modified silicone oil during use, improve the stability of operation, reduce the labor intensity on site, and obtain high quality , High-grade PAN precursor and carbon fiber products.

The invention relates to a sealing device for a guide groove of a sealing-tape machine. The sealing device comprises the guide groove, the sealing-tape machine and a sealing device body. The sealing device is characterized in that the sealing device body is composed of a locking assembly and a sealing inclined plate, the locking assembly composes a bolt rod, a pressing plate, a nut and a steel angle used for compressing and fixing the sealing inclined plate, one end of the bolt rod is hinged to the outer side of the lower part of a side plate of the guide groove, the pressing plate is slidablyconnected to the middle part of the bolt rod in a sleeving mode, the nut is connected to the other end of the bolt rod in a threaded and sleeving mode, two limiting baffle blocks are arranged on theend part of the long edge of the pressing plate, and the right-angle end of the steel angle is compressed and fixed between the two limiting baffle blocks; and the upper end of the sealing inclined plate is attached to the outer side of the lower part of the side plate of the guide plate in parallel and compressed and fixed by the steel angle, and the lower end of the sealing inclined plate is inserted between the lower end of the side plate of the guide groove and an upgoing belt of the sealing-tape machine and in surface contact with the surface of the upgoing belt. The sealing device has the advantages that the surface contact sealing is good in effect, and the problems of dust and scattering are solved; the manufacturing is simple, and the cost is low; and the pressing and connecting method is simple and firm, the maintenance and replacement is convenient and quick, time and labor are saved, and safety and high efficiency are achieved.

The invention discloses a measurement flowmeter of a crude oil single well. The flowmeter comprises a shell body, wherein the shell body comprises an inner layer shell body and an outer layer shell body; heat preservation cotton is disposed between the inner layer shell body and the outer layer shell body, and an explosion-proof tank is disposed on the outer layer shell body; and a flow measurement module, a density measurement module and a temperature measurement module are disposed in the shell body. The flowmeter disclosed by the invention has the advantages that advanced heating and temperature measurement technologies are adopted; efficient heat conduction design is used; and thus the whole measurement system has an exquisite structure and high energy efficiency. A flow measurement component is resistant to blocking and wear, so that media which can hardly be measured by a traditional flowmeter can be measured; the service life is long; maintenance is unnecessary; on-site labor intensity of workers is reduced; safety of production operations is increased; oil well measurement accuracy is increased; the use cost for oil well measurement instruments is reduced; and oil well measurement efficiency is increased.

The invention provides a device and a method for blocking a connecting place between pipes of a shield tunneling machine. The device comprises a blocker and a hydraulic cylinder which is concentrically arranged with the blocker, wherein the size of the periphery of the blocker is matched with a primary pipe; the blocker comprises a high-pressure air pipe joint, sealing brushes, a sealing air bag and sealing rubber; the sealing brushes are distributed at the two ends of the blocker; the sealing air bag is positioned in the middle position of the blocker; the sealing rubber is positioned between the sealing brushes and the sealing air bag; and the high-pressure air pipe joint is connected to the pipe and provides high-pressure air for the sealing air bag by an air hole. When the pipe, a prolonging pipe or other pipes required to be opened are required to be replaced to repair, the blocker equipment is conveyed to the connection place of the pipe through pushing force of the hydraulic cylinder, and outward pushing force generated by a residual liquid loop in the pipe is compensated by the friction force between the air bag expanded under pressure and the pipe wall, so that the pipes are sealed.