39results about How to "Easy to transport and move" patented technology

The invention belongs to the field of oil-gas field development engineering, and particularly relates to a system and method for automatically generating CO2 foam and exploiting coalbed methane in a huff-puff mode underground. The system comprises a water storage device, a prying installation type sewage treatment device, a chemical mixing device, a chemical storage tank, intelligent dosing equipment and a prying installation type water injection device; the water storage device, the prying installation type sewage treatment device, the chemical mixing device, the prying installation type water injection device and an oil nozzle connector of a well mouth gas exploitation tree are sequentially connected through pipelines; the chemical storage tank, the intelligent dosing equipment and a chemical inlet of the chemical mixing device are sequentially connected through chemical supply pipelines. The system is easy and convenient to operate, the method is easy to implement, a gas generating agent solution system, an active water system and a gas releasing agent solution system slug are sequentially injected into a target coalbed by the well mouth gas exploitation tree, an oil pipe and a pump hanging tool through the prying installation type water injection device, a CO2 foam system is automatically generated underground, and the coalbed methane desorption and exploitation speed can be effectively increased.

The invention relates to a low-pressure oil-water well under-pressure well repairing device and an under-pressure well repairing method. A blowout preventer set is installed on an upper flange of a wellhead four-way joint through bolts and sequentially comprises a single-gate-plate blowout preventer, a double-gate-plate slip blowout preventer and an annular blowout preventer from bottom to top, afour-way joint is arranged at the lower portion of the single-gate-plate blowout preventer, the double-gate-plate slip blowout preventer is installed above the single-gate-plate blowout preventer, theannular blowout preventer is installed above the double-gate-plate slip blowout preventer, a hexagonal grid platform is arranged at the periphery of the middle section of the annular blowout preventer, and a sunken collecting box is arranged below the hexagonal grid platform; the bottom of the sunken collecting box is supported on the ground through four supporting legs distributed in a rectangular shape, and the edge of the bottom of the sunken collecting box is connected with a discharging bent pipe; the lower middle part of the annular blowout preventer is positioned in a central cylinder;lifting hydraulic cylinders are installed at the two ends of a lower cross beam correspondingly and vertically penetrate through sleeves upwards to be connected with an upper cross beam; and before operation, the blowout preventer set is connected in advance, the under-pressure well repairing device is installed, and a tubing string is pulled out. By means of the low-pressure oil-water well under-pressure well repairing device and the under-pressure well repairing method, the well mouth environment can be improved, the height is low, overall moving is facilitated, and the installation time isgreatly shortened.

The invention discloses a foldable integrated table and chair for students, and belongs to the field of table and chair equipment. The foldable integrated table and chair comprises a table body, a chair body, first supporting mechanisms and second supporting mechanisms, wherein the first supporting mechanisms and the second supporting mechanisms are used for supporting the table body and the chairbody respectively; the table body comprises a table top panel and a drawer panel, each first supporting mechanism comprises a stabilizing supporting rod and an adjusting supporting rod, the adjustingsupporting rod comprises a sleeve and an adjusting rod, and the top of the adjusting rod is rotatably connected with one side of the bottom face of the table body; first connection rods are rotatablyconnected with the other side of the table body, second connection rods are rotatably connected with the upper ends of the sleeves, the free ends of the first connection rods and the free ends of thesecond connection rods are connected and are rotatably connected with retractable rods, and the other ends of the retractable rods are connected with the free ends of the stabilizing supporting rods;the chair body comprises a chair panel and a backrest plate, each second supporting mechanism comprises a retractable supporting rod and a supporting rod, and the top of the supporting rod is rotatably connected with one side of the bottom face of the chair panel. According to the foldable integrated table and chair for the students, the drawer space can contain the folded chair body, and not only is the occupied space reduced, but also the chair body is protected; the size of the folded table and chair is small, and the table body and the chair body can be mutually limited and prevented fromspreading accidentally.

The invention belongs to the technical field of photovoltaic power generation, and relates to a folding type photovoltaic power station, which comprises a plurality of photovoltaic modules, a supportbase, a control cabinet, a guiding mechanism for vertically connecting the support base and telescopic brackets connected to both sides of the photovoltaic module. The plurality of photovoltaic modules are connected to each other by the telescopic brackets. Each telescopic bracket is composed of a first bracket group and a second bracket group, and the bracket groups are composed of a plurality ofpoles connected end to end. One end of each first bracket group is connected to the support base, and one end of each second bracket group is connected to the guiding mechanism. The photovoltaic modules are folded under the push-pull action of the telescopic brackets, so that rational utilization of the site and the mobile transportation effect are achieved. At least a battery pack, a charge anddischarge controller, an inverter, a solar tracking control system and a power distribution system are installed in the control cabinet, the photovoltaic modules receive light energy and convert it into electrical energy by using the photovoltaic effect of the semiconductor interface, then the electrical energy is stored by the battery pack, and the inverter converts the direct current into alternating current and then distributes it to the user side from the power distribution system.

The invention belongs to the technical field of vehicle inspection devices and provides a high/low-temperature durable double-door testing machine for measuring an automotive water cut long-term compressive load. The testing machine comprises a closed box, wherein a testing worktable plate, a lower platform fixture fixing mechanism and an upper platform moving mechanism are respectively arranged in the box; a driving mechanism is arranged on the box; two sealing doors, namely an inner sealing door and an outer sealing door respectively, are arranged in the box; an operating hole is formed in the inner sealing door; a closing membrane is arranged in the operating hole. The high/low-temperature durable double-door testing machine has the advantages that due to the design of double doors, samples can be replaced through the operating hole in the glass door by both hands at high and low temperature under the condition that the temperature is guaranteed, a phenomenon that the test conditions in the test box are influenced by an external environment when the closing membrane is separated from the external environment to replace the samples is avoided, and a phenomenon that the high temperature suddenly drops and the low temperature suddenly rises is avoided. Moreover, water vapor enters the box to be condensed in the process of replacing the samples at low temperature, and the test efficiency is improved.

The invention provides a water tank water feeding automatic control and oscillation anti-freezing device and method. The water tank water feeding automatic control and oscillation anti-freezing device comprises a PLC control system, an electric adjusting valve, an electronic liquid level meter and a control circuit, wherein the electronic liquid level meter is connected to the PLC control system and used for measuring the liquid level of a water tank and transmitting a measured liquid level signal to the PLC control system, the control circuit is connected between a PLC control signal and the electric adjusting valve and transmits a valve opening signal which is sent by the PLC control system and used for controlling a working state of the electric adjusting valve to the electric adjusting valve, and the electric adjusting valve executes the received valve opening signal and is opened by a certain valve opening. The water tank water feeding automatic control and oscillation anti-freezing device and method are suitable for automatic control of water feeding of a water tank and occasions needing anti-freezing of ground pipelines in winter, and have the advantages of being accurate in control, good in anti-freezing effect, easy to move and transport, high in automation degree, easy to operate and the like.

The invention provides a lock catch and tongue detection device of an oil filler cap. The device comprises a base plate on which an inner board positioning support mechanism and a lock catch and tongue detection mechanism re fixedly arranged; an oil filler cap inner board is used as a detection positioning support reference of a lock catch and tongue, so that the lock catch and tongue and the oilfiller cap inner board keep a proper goodness of fit during a detection process of the lock catch and tongue, the lock catch and tongue detection error caused by detection positioning problem is eliminated, through simulating the work condition of the lock catch and tongue, the using performance of the lock catch and tongue is detected by using a lock catch and a lock bolt, so that the lock catchand tongue and the true lock can be completely locked, the oil filler cap is well closed, the subsequent research, development and design costs of the automobile are reduced, the rework design cost isreduced, the market competitiveness is improved, and the practical problems that the prior art of the automobile oil filler cap lock catch and tongue detection equipment does not have the effective detection reference, so that the detection error is relatively large and thus the market competition is influenced, and meanwhile, the effective true lock simulative detection function is not achievedare solved.

The invention aims to solve the brick paving problem of municipal roads, and discloses a municipal road brick paving device which comprises a bottom plate, universal wheels are uniformly mounted on the bottom surface of the bottom plate, a holding rod is welded to the left end of the bottom plate, a holding ring is fixedly mounted at the top end of the holding rod, a third supporting rod is fixedly mounted in the middle of the upper surface of the bottom plate, an inclined rod is fixedly installed at the top end of the third supporting rod, a second connecting ring and a first connecting ring are fixedly installed at the left end and the right end of the inclined rod respectively, a fourth motor is sleeved with the second connecting ring, a second rotating cylinder is installed behind the fourth motor, a third motor is sleeved with the first connecting ring, a first rotating cylinder is arranged behind the third motor, and a conveying belt is connected between the first rotating cylinder and the second rotating cylinder. According to the brick paving device, bricks are laid in a containing groove and then are guided by a guide plate, so that the bricks can be flatly laid on the road surface, and the brick paving efficiency is further improved.

The invention discloses an anti-blocking rubber forming device which comprises a rubber forming machine control box, an equidistant feeding mechanism, a tail gas treatment mechanism, a mold clearing mechanism, a finished product collecting mechanism and a quick moving mechanism. The side wall of a deodorizing box in the tail gas treatment mechanism is fixedly connected with multiple electric clearing push rods, and the number of the electric clearing push rods is equal to that of activated carbon filtering screens. An output rod of each electric clearing push rod is fixedly connected with a brush plate, and the lower ends of the brush plates are fixedly connected with brush wires. An inlet pressure sensor and an outlet pressure sensor are arranged at the positions, on the lower sides and the upper sides of the activated carbon filtering screens, of the side wall of the deodorizing box correspondingly. A foreign matter collecting box is arranged on the side wall of the side, opposite tothe electric clearing push rods, of the deodorizing box, and the outer wall of the foreign matter collecting box is fixedly connected with multiple matched electric push rods; and an output rod of each matched electric push rod is fixedly connected with an opening and closing plate, each opening and closing plate is located above the corresponding activated carbon filtering screen, and the opening and closing plates can be inlaid on the side walls of the deodorizing box.

The invention relates to the technical field of medical equipment, in particular to an efficient anti-infection protective mask. The protective mask comprises a mask body, the mask body is provided with a first fitting part; the first fitting part is in an annular shape; the first fitting part corresponds to the position of the mouth of a wearer, after the wearer wears the mask, the first fittingpart surrounds the periphery of the mouth of the wearer, the first fitting part has viscidity, so that the first fitting part can be attached to the face of the user, and the inner side of the first fitting part is further detachably covered with a film coating layer. According to the protective mask disclosed by the invention, the possibility of the mask body at the periphery of the first fittingpart of moisture in exhaled air is directly avoided, so that the wearing comfort of the mask and the filtering effect of the exhaled air are greatly improved; moreover, after the mask is replaced, when the replaced mask is sterilized and disinfected, the mask body on the inner side of the first fitting part can be sterilized and disinfected mainly, so that viruses and bacteria can be completely killed.

The invention discloses to an assembled discharge pool and construction method thereof. The assembled discharge pool comprises a discharge tank and a fire wall, wherein the top of the discharge pool is open; the discharge pool consists of a first cell, a second cell, a third cell and a fourth cell which are detachably connected; the firewall is detachably arranged on the outer side of the discharge pool. The assembled discharge pool has the advantages of reasonable design, permeation prevention, good fireproof and heat insulation effects, detachable structure, easy assembly, convenient relocation and transportation, repeated use, and capability of saving a large amount of labor cost and material cost.

The invention relates to the technical field of lighting lamp boxes and concretely relates to a panel module used for a lamp box. The module comprises a panel and a light guide board. The panel and the light guide board are of an integral relatively-fixed structure. A through groove used for placing canvas is arranged between the panel and the light guide board. The panel module used for the lamp box has the following beneficial effects: due to the fact that the panel and the light guide board are of an integral structure, components and parts of the structure of the lamp box are reduced under the premise that convenient transport is ensured, thereby facilitating carrying and transport and lowering carrying difficulty. During installation, the panel module and other modules are carried on site and assembled and installed, thereby reducing the carrying difficulty and installation difficulty. In the later period of replacing the canvas, the panel module is dismantled and can be carried to the safety position with smooth traffic for replacement and installation. As a result, the canvas is conveniently replaced and the danger of replacing the canvas is lowered.

The invention discloses a sculpturing device capable of removing dust. The device comprises a platform body, the platform body is fixedly connected with a sculpturing cleaning box, and a recovering box is arranged in the platform body; a first suction ventilator is arranged in the recovering box, a first recovering pipe communicated with the recovering box is formed on the upper surface of the platform body, a conveying plate is arranged on the upper surface of the platform body, and a conveying assembly is arranged on the lower portion of the conveying plate. Through combined effect of a first dust collection port, a second dust collection port and a third dust collection port in the sculpturing cleaning box, dust and wood pits on sculptured plates are sucked in the recovering box, the dust and the wood pits can be conveniently recovered, and the conveying assembly can conveniently convey and move the sculptured plates and recover the dust and the wood bits on the platform body in theprocess of conveying the sculptured plates so that the dust and the wood bits cannot influence the moving and conveying accuracy, the moving and conveying efficiency, the sculpturing accuracy and thesculpturing accuracy.

The invention discloses a stock-piling method for acidic waste rocks of an open pit mine. The stock-piling method comprises the following steps: S1, spreading a cushion layer on an earth surface, andcompacting the cushion layer; S2, piling a transition layer for sealing sulfur-containing waste rocks, a protective layer for preventing acidic water generated by the sulfur-containing waste rocks from permeating to the underground, a low-sulfur-content waste rock layer and a high-sulfur-content waste rock layer on the cushion layer from outside to inside, and packaging the transition layer, the protective layer, the low-sulfur-content waste rock layer and the high-sulfur-content waste rock layer one by one from outside to inside; S3, completely covering the part, exposed into air, of the transition layer with the waste rock layer without sulfur. The waste rock layer without sulfur of the outermost layer is high in hardness, is great in particle size, then, the layer is a transition layerwith gradually reduced particle size, and finally the layer is the protective layer for directly packaging the sulfur-containing waste rock layer; and the protective layer is low in permeability, andthe sulfur-containing waste rock layer is prevented from being in contact with air and rainfall, so that the sulfur-containing waste rocks are prevented from generating acidic water after being oxidized through air and leached with rain; and layer-by-layer protection achieves no-dead-corner sealing for sulfur-containing waste rocks.