146results about How to "Guaranteed sealing quality" patented technology

The invention discloses an automatic bag opening and sealing machine. The machine comprises a rack, a bag opening device located on the rack and connected with a vacuum unit, a sealing heating device for heat-bonding a bag, a rail device for the moving of the bag opening device, and an additionally arranged bag pressing device, wherein the bag pressing device is used for tightly pressing two sides of the bag of which the opening is opened, and comprises a sliding claw device and a pressure regulator, the sliding claw device comprises a guide rail mechanism, a push-pull air cylinder mechanism, a sliding claw mechanism and an elevator mechanism, the guide rail mechanism moves under the action of the push-pull air cylinder mechanism, the sliding claw mechanism is driven to move, and further the edge of the bag opening is tightly pressed by the elevating of the elevator mechanism. The invention also discloses an automatic bag opening and sealing method.

The invention discloses a leak-proof bridge expansion joint and a use method thereof, and belongs to the field of bridge construction. The leak-proof bridge expansion joint mainly comprises a bridge pier cap, lateral connection reinforcement, a section steel expansion joint, two deformed steel, section steel connection reinforcement, an M-shaped rubber sealing tape and the like. Upper and lower inflatable bags and a plurality of communicating ducts respectively communicated with the upper and lower inflatable bags are respectively arranged at the upper and lower ends of the two sides of the rubber sealing tape, and the two sides of the rubber sealing tape and the two deformed steel are installed in an embedded way; the rubber sealing tape has an internal inflating or deflating functions by the improvement, i.e., the inflated rubber sealing tape and mounting grooves of the deformed steel can be tightly embedded to ensure the sealing quality of the bridge expansion joint in various use environments, and the deflated rubber sealing tape can freely move to be taken out in the mounting grooves of the deformed steel to facilitate the detection, maintenance and replacement of the rubber sealing tape. The improved structure also has the advantages of simple structure, durability, convenience in maintenance, cost reduction and the like, thus playing an all-weather water leak-proof role.

The invention provides a bottled water sealing device, comprising a body, wherein the outer side wall of the body is provided with a placement opening, the inner bottom wall of the body is provided with a lifting mechanism, and the inner top wall of the body is provided with a sealing mechanism. The bottled water sealing device can quickly solidify a sealing film at an opening of bottled water, saves time and labor compared with manual sealing, and has good sealing consistency, ensures the sealing quality of bottled water, and has high sealing efficiency.

The invention discloses a coal mine vertical wind well explosion-proof door advanced explosion venting device and an explosion-proof door. The coal mine vertical wind well explosion-proof door advanced explosion venting device comprises a canopy type door body and an advanced explosion venting device, wherein the advanced explosion venting device comprises an explosion venting cover, a base, a hinge seat, a reset spring and an air reversing lock; the explosion venting cover comprises a metal cover plate, a sealing block and a cushion pad respectively adhered on the upper board and the lower board of the metal cover plate; a hinge head is arranged at one side of the metal cover plate, the hinge head is hinged with the hinge seat through a hinged shaft; a spring coil part of the reset spring is sleeved on the hinged shaft of the hinge seat, one pin thereof is fixed on the hinge head, and the other pin is overlapped on the hinge seat; the air reversing lock comprises a lock groove on the base and a spring bolt on the metal cover plate; a plurality of trapezoid explosion venting holes are equidistantly arranged on the canopy type door body around the center circumference; the lower end of the base is welded and fixed at the periphery of the explosion venting hole; and the hinge seat is welded and fixed on the canopy type door body. When the existing explosion-proof door is updated and transformed by using the explosion venting device disclosed by the invention, only the canopy type door body needs to be transformed, the work amount is small and the cost is low.

The invention discloses an air exhaust and sealing device for a wire and cable material packaging bag, and belongs to the technical field of packaging machinery for plastic particles for wires and cables. The air exhaust and sealing device comprises a box body, an air exhaust mechanism, a bag opening heat-sealing mechanism and a packaging bag supporting mechanism, wherein a box body cavity is formed in the box body; an electrical operation control box is arranged at the top of the box body; the air exhaust mechanism is arranged at the upper part of the front side of the box body; the bag opening heat-sealing mechanism is arranged at a position, corresponding to the lower side of the air exhaust mechanism, on the front side of the box body; the packaging bag supporting mechanism is positioned at a position corresponding to the lower side of the bag opening heat-sealing mechanism and is supported on a terrace of a use place along with the box body; the air exhaust mechanism and the bag opening heat-sealing mechanism are connected with the electrical operation control box in an electrical control manner. According to the air exhaust and sealing device, the sealing efficiency is improved, and the packaging requirement on wire and cable materials for industrial enlargement production is met; the labor intensity is alleviated; the packaging bag can be sealed under the vertical state.

The invention relates to a deep sea extreme environment simulation system. The deep sea extreme environment simulation system comprises a Raman reaction chamber, a sample injection supercharging device, a Raman spectrum collecting system and a temperature control device. The Raman reaction chamber comprises a chamber body, a chamber cover and an immersed type Raman probe. A sample injection supercharging channel is formed in the chamber body, the sample injection supercharging channel is connected with the sample injection supercharging device, the chamber cover is movably connected to the topof the chamber body, the immersed type Raman probe is fixed to the upper portion of the top of the chamber body through the chamber cover, the immersed type Raman probe is connected with the Raman spectrum collecting system, and the front end of the immersed Raman probe extends into the chamber body. The deep sea extreme environment simulation system is simple in structure, high in stability, andhigh in high temperature resistant and corrosion resistant ability, can remain the state of high temperature and high pressure for a long time, and can achieve simulation of the deep sea extreme environment at the pressure of 0-60MPa and at the temperature of 0-450 DEG C. The Raman spectrum collecting system with the long-term continuous monitoring function achieves real-time control over the ingredients and the concentration of a sample in the chamber, and the deep sea extreme environment simulation system can be widely applied to simulation of extreme environments such as deep sea hydrothermal solutions and cold springs.

The invention provides a device capable of replacing a valve under pressure. The device comprises a plugging device, a combining part, a blowout prevention pipe, a hydraulic cylinder, a piston rod and an operating rod. One end of the combining part is detachably connected to the plugging device, and the blowout prevention pipe contains the plugging device and the combining part and is connected with the hydraulic cylinder. The plugging device is mainly composed of a sealing rubber sleeve, a slip bowl seal assembly, a differential pressure type piston and slips, the slips can be automatically unfolded through fluid pressure, and thus safe bowl seal is achieved. One end of the combining part is connected with the hydraulic cylinder through the piston rod and the operating rod which penetrate through the blowout prevention pipe. The invention further provides a method for replacing a valve under pressure with the device capable of replacing a valve under pressure. The device achieves seal, bowl seal, seal removal and internal pressure balance of a tool, the complex functions can be continuously and automatically completed in one travel, and thus the device is easier and more reliable to operate. Uncertainty caused by manual operation is reduced, safety in the construction process is guaranteed, no pollution will be caused to the environment, and construction cost is greatly reduced.

The invention discloses a hollow glass glue injection and sheet combining all-in-one machine. The all-in-one machine comprises a machine frame, a sheet combining device and a glue injection device, wherein the a supporting plate is fixed on the transmission side of the machine frame; the sheet combining device sleeves the supporting plate, and the sheet combining device comprises a sheet combiningpressing plate, an upper push-pull rod, a lower push-pull rod, a connecting rod device and a hydraulic telescopic device; and the glue injection device is arranged on a structure support at the middle part below the front side of the supporting plate, and the glue injection device comprises an X-axis sliding table module, a Y-axis drilling machine sliding table module, a Y-axis glue injection sliding table module, a first drilling machine, a second drilling machine, a glue injection gun and an air cleaning gun. According to the hollow glass glue injection and sheet combining all-in-one machine, a sheet combining machine and a glue injection machine are combined into one, the structure is compact and simple, the total length of the hollow glass production line is effectively shortened, theoccupied area is reduced, the manufacturing cost is reduced, the production efficiency is improved, the hollow glass is secondarily sealed in a glue injection mode, and therefore the sealing qualityof the hollow glass can be effectively guaranteed.

The invention discloses a water and slag discharging device for a coal and rock mass with fracture development. The device includes a cylinder diving into a downward borehole and a drainage pipe inserted into a lower portion of the cylinder and further includes a blowing pipe, wherein an outlet end of the blowing pipe is flush with the bottom of the cylinder, the top of the cylinder is provided with a cover, the bottom is provided with a unidirectional conduction mechanism, the cylinder is provided with an intake and exhaust device, the accumulated water in the borehole is sucked by the intakeand exhaust device into the cylinder through the unidirectional conduction mechanism during exhausting, in the intake process, the accumulated water is pressed outside the borehole through the drainage pipe. The device is advantaged in that the compressed air in the underground is utilized as the power, firstly, the accumulated water and the slag in the borehole are stirred by the blowing pipe, when the intake and exhaust device is in the exhaust state, the accumulated water mixed with the slag enters the cylinder, the compressed air is filled into the cylinder through the intake and exhaustdevice, and the accumulated water and the slag are discharged from the cylinder to the outside of the borehole.

The invention discloses a novel full-automatic down filling machine, which comprises a weighing cabinet, a down filling pipe, a telescopic device, an opening sealing device and a locking and clamping device, wherein the down filling pipe is arranged on the weighing cabinet, the front end of the down filling pipe is provided with the opening sealing device, the telescopic device is used for controlling the down filling pipe and the opening sealing device to relatively and horizontally move, and the front end of the down filling pipe is provided with the locking and clamping device. The novel full-automatic down filling machine has the advantage that after a down cut sheet is filled, the telescopic device is used for controlling the down filling pipe and the opening sealing device to relatively and horizontally move, then a third driving device and a fourth driving device respectively drive a first clamping block and a second clamping block to move along a first fixing block in the left and right directions to do relative movement, and further drive a third clamping block and a fourth clamping block to move along a second fixing block in the left and right directions to do relative movement so as to play a role of leveling the to-be-sealed opening of the cut sheet, the to-be-sealed opening of the cut sheet is leveled, and finally the cut sheet is subjected to opening sealing by the opening sealing device, so the opening sealing quality is ensured, and the quality of down products is further ensured.

Provided is a welding method of air cooled condenser single row tube and tube plate employing carbon dioxide and argon mixed gas protection; in the welding process, argon and carbon dioxide gas mixed by volume percent is used, no defect is existed, the hot compress rate of the welded joint is the best, the quality of the welding joint is stable, and splatter is not existed; the single row tube is prevented from being damaged by external force, solder collision is avoided, and the sealing quality is ensured; the existing welding method using only the carbon dioxide as the protective gas is changed, the welding method employing carbon dioxide and argon mixed gas protection is used, thereby meeting the requirements that the electric arc is stable, the metal splatter is less, the formed welding joint is good in appearance, the impact toughness of the welding joint is good, and the welding technology is good in effect, and the like.

The invention relates to a gas draining pipe, and in particular to a structure of a duplex pipe for gas draining and hole sealing by grouting, belonging to the technical field of the gas draining pipe for coal mine. The duplex pipe is characterized in that the central axis of the gas draining pipe and the central axis of a grouting pipe are arranged in parallel in the same direction; the gas draining pipe and the grouting pipe are clung to each other and are connected integrally; the duplex pipe is operated by a method as follows: the orifice of the grouting pipe is plugged by a rubber rod at the plugging end of the duplex pipe; one or more grouting holes are drilled in the wall of the grouting pipe; the aperture of the grouting hole is the same as the internal diameter of the grouting pipe; and the other end of the grouting pipe is connected with a quantitative grouting pump, so that grouting liquid enters a gap between the outer side of the draining pipe and the inner wall of a drilled draining hole from the grouting hole of the grouting pipe. The duplex pipe for gas draining and hole sealing by grouting provided by the invention has the beneficial effects that the duplex pipe has a simple structure, can be formed in one step on an extruder, and is convenient to manufacture; and the duplex pipe also has the beneficial effects that the duplex pipe is convenient to operate, the subsequent hole sealing construction process is greatly simplified, and the duplex pipe has good gas tightness.

The invention relates to the technical field of food processing, and discloses a sealing machine for food processing. The sealing machine comprises four driving wheels, wherein the exteriors of every two driving wheels are movably sleeved with an annular thin belt, heating blocks are movably mounted at one ends of the inner sides of the annular thin belts, and heat transfer sheets are movably mounted at the top ends of the heating blocks. According to the sealing machine, gas in gas bags expands when heated, then the heating blocks extrude the annular thin belts downwards, then the contact area between packaging bag films is increased, heat energy conduction is effectively promoted, and the film melting degree is better; the gas bags are subjected to heat conduction and cooling in time through heat conduction sheets, the influence of excessive expansion of the gas bags on sealing is avoided, heat dissipation of the heating blocks can also be promoted, and mechanical damage caused by overheating of heating parts is avoided; and wind energy used by cooling mechanisms is conducted and conveyed again through air conveying belts, the heat dissipation effect of parts in a heating mechanism in the sealing machine is enhanced, and the stability of equipment and the sealing quality are effectively guaranteed.

The invention discloses a combined sealing connecting method for plastic pipes and belongs to the technical field of plastic pipes. Two plastic pipes, needing to be connected, with the same pipe diameter are horizontally placed; then the inner wall of a connecting casing pipe is provided with a sealing ring and a heating element; then the connecting casing pipe is firstly sleeved with the left plastic pipe, and then the right plastic pipe is in butt joint with the left plastic pipe; and then the heating element is electrified and melts the inner wall of the connecting casing pipe and the outerwalls of the plastic pipes in a heating manner. A rubber sealing ring and heating element melting and welding double-sealing technological means is adopted, pipeline connection is firmer, sealing isensured, and leakage is avoided; and the combined sealing and connecting method is widely applied to the fields of civic building water supply and drainage, gas and industrial pipelines and the like.

The invention discloses high-strength low-hydration-heat well cementation cement, and relates to the technical field of well cementation materials used for oil exploration and development. The high-strength low-hydration-heat well cementation material comprises the following components in percentage by mass: 65%-81% of a high-strength low-hydration-heat wellcementation material, 10%-20% of a low-hydration-heat active material, 4-8% of a reinforcing agent, 4-6% of an anti-shrinking agent and 0.5-1.5% of an early strength agent. The high-strength low-hydration-heat well cementation cement is suitable for long-sealing high-temperature large-temperature-difference stratums, well cementation construction safety of long-sealing high-temperature large-temperature-difference low-pressure leaky stratums is guaranteed, high efficiency and exploitation safety of oil and gas resources are improved, and the national requirements for deep and ultra-deep oil and gas resources are met.

The invention relates to a suspended cement plug applicable to continuous oil pipe injection and an application method of the suspended cement plug. The suspended cement plug comprises the following three formulae: a reservoir cement formula, an intermediate layer isolating liquid formula and a surface layer cement plug formula, wherein the reservoir cement formula is prepared by adding 1%-2% of a dispersant, 1%-2% of a fluid loss agent, 5%-10% of micro-silicon and 0.1%-0.5% of a retarder into G-level high sulfate resistant oil well cement, and the water cement ratio is 0.45; the intermediate layer isolating liquid formula is prepared by starting to apply 0.5% polyacrylamide water solution to a position which is 500m lower than the contact surface between clean water and a surface layer cement plug, and the 0.5% polyacrylamide water solution needs to be prepared before 4h; the surface layer cement plug formula is prepared by adding 1% of a dispersant, 1% of a fluid loss agent and 0-0.2% of a retarder into the G-level high sulfate resistant oil well cement, and the water cement ratio is 0.45. According to the suspended cement plug, expensive cement slurry is replaced with intermediate layer isolating liquid, so that the production cost is greatly lowered when the sealing quality is guaranteed, and furthermore, the cement slurry at the reservoir and the surface layer is good in performance and rheological property and strong in anti-pollution capacity and can still maintain good overall performance when 20% of cement slurry is polluted. The suspended cement plug is applicable to the sealing of abandoned wells.

The invention discloses a high-rate quick-setting mining hole sealing material and a using method thereof, and belongs to mining hole sealing materials. The hole sealing material is prepared from thefollowing raw materials in percentage by mass: 10%-30% of quick-setting powder, 60%-80% of Portland cement, 1%-6% of bentonite, 0.3%-0.5% of sodium chloride, 0.1%-0.3% of sodium aluminate, 3%-8% of quick lime, 0.05%-0.2% of a water reducing agent and 0.05%-0.2% of an active agent through even stirring according to the mass ratio of 1: 1.6-2. The hole sealing material is high in multiplying power and short in setting time, the expansion multiplying power ranges from 10% to 100%, the final setting time is shorter than 120 min, the compressive strength and the setting time are not affected whilethe multiplying power is improved, the strength and the setting time of gas extraction are met, and the long-term effect of hole sealing is guaranteed. Due to the high-expansion property of the hole sealing material, the pipe wall is filled with the hole sealing material, gas leakage caused by pores is avoided, the safety performance is improved, materials are saved for extraction pipes with the same length, and the gas extraction cost is reduced. The hole sealing material has the advantages of low price, no toxicity, no pollution, high hole sealing efficiency, favorable flowability and favorable plasticity.

The invention discloses packaging and code printing integrated automatic equipment for condiments, which comprises a machine base, machine frames, frame plates, transmission rollers and a clamping mechanism; a driving mechanism is mounted on a mounting seat, two sets of clamping arms are rotationally connected to the end, close to a hanging plate, of the mounting seat, a driving motor is mounted at one end of the hanging plate, and an output end of the driving motor is in transmission connection with a screw rod; and the outer side of the screw rod is in screwed connection with a screw sleeve, and supporting rods are rotationally connected between the screw sleeve and the clamping arms. According to the packaging and code printing integrated automatic equipment for condiments, firstly, the driving mechanism is controlled to enable supporting arms to be separated towards the two sides at the same time so as to open a condiment packaging bag, glue is controlled to overflow from a glue coating nozzle and is evenly smeared on the sealing portion of the condiment packaging bag, and the sealing quality of the condiment packaging bag is guaranteed; and secondly, the sealing and code printing integrated structure is adopted, and the automatic equipment can execute two groups of programs at the same time, so that the processing efficiency of processing factories on condiment packaging bags is improved, and the production cost of the factories is reduced.