538results about How to "Meet installation needs" patented technology

The invention discloses an air conditioning system and a pressure adjusting method for the same. The air conditioning system comprises an outdoor unit and at least one indoor unit. The outdoor unit comprises a pressure adjusting device; the pressure adjusting device is arranged at the refrigerant discharging pipe of the outdoor unit; the pressure adjusting device comprises a pressure sensor, a control unit and a flow adjusting unit, wherein the pressure sensor is used for detecting an actual pressure value at the refrigerant discharging pipe of the outdoor unit; the control unit is used for comparing the actual pressure value detected by the pressure sensor and a pre-set pressure threshold value, and controlling the opening of the flow adjusting unit according to a comparing result; and the flow adjusting unit is used for adjusting the flow of flowing a refrigerant of the outdoor unit under control of the control unit. According to the air conditioning system provided by the invention, hyper-normal high-drop connection between the indoor unit and outdoor unit of the air conditioning system can be realized, so that the requirement of mounting the air conditioning system, such as a multi-couple unit, within a higher drop range can be met.

A manufacturing method of a precision alloy sampling resistor comprises the following steps: choosing a resistor alloy strip and two non-oxygen copper strips, washing the resistor alloy strip and the two non-oxygen copper strips, enabling the two non-oxygen copper strips to be respectively welded with two sides of the resistor alloy strip by using a high-power electron beam welding process, forming a whole resistor strip, stamping the resistor strip into a plurality of resistor bodies horizontally, or stamping a plurality of resistor bodies on a resistor alloy thin plate, adjusting the resistance values of the resistor bodies in stamping in real time, conducting follow-up improving process to the resistor bodies, and forming the precision alloy sampling resistor. Compared with the prior art, according to the manufacturing method of the precision alloy sampling resistor, production processes are reduced by more than one half, efficiency is improved by tens of times, after a real-time resistance value is modified, the resistor alloy strip is not wasted, cost is greatly lowered, and precision is greatly improved. Equipment manufactured by using the manufacturing method has the advantages of being good in performance, small in size, and little in material consumption.

The invention discloses an anti-collision type high-voltage switch cabinet convenient to adjust. The high-voltage switch cabinet comprises a cabinet body, anti-corrosion plates, movable plates and a bottom plate, wherein multiple casing pipes are distributed on side walls of the cabinet body, movable rods are arranged in the casing pipes, a two-way screw rod is arranged in the cabinet body, left and right ends of the two-way screw rod are sleeved with the movable plates respectively, a rotating shaft is arranged above the two-way screw rod, the bottom plate is arranged below the cabinet body,a left fixing block and a right fixing block are fixedly connected with left and right ends of the bottom plate respectively, and a guide rod is arranged above the cabinet body. When the anti-collision plates are collided, springs play a certain shock absorbing role, the damage of the cabinet body is reduced, and the role in protecting circuit components in the cabinet body is played. During mounting or carrying of the high-voltage switch cabinet, left and right tension springs and springs are used to play the shock absorbing role and protect circuit components in the cabinet body; the space distribution in the cabinet body is adjusted by adjusting the distance between the two movable plates, so that the mounting requirements of different circuit components are met.

The invention relates to a roller blind structure, in particular to a connection device used for installing a fixing seat for fixing the upper end of a roller blind on a window frame. A roller blind fixing seat and window frame connection device is characterized by comprising a connection body, a connection piece of the fixing seat is arranged on the connection body, an adjustable clamping piece is arranged at one end of the connection body, and the adjusting range of the clamping piece is larger than the width of the window frame. The connection device is simple in structure, the connection body of the fixing seat can be applicable to different window frames, and adjustment, assembly and disassembly can be facilitated. The connection device solves the technical problem in the prior art that a connection body of the fixing seat and the window frame must be matched with the window frame in use, the connection body is inconvenient to assemble and disassemble, and members are large in number.

The invention discloses a lifting type cooling TV stand. The lifting type cooling TV stand comprises a main connecting shell, the rear portion of the main connecting shell is fixedly connected into a protection cover through a connecting bolt, a base plate of the protection cover is provided with a vertical threaded connection through hole, and a lifting screw rod is connected into the threaded connection through hole in a threaded mode. A limiting rod is sleeved with a guide block on the rear portion of the protection cover in an inserted mode, the lower end of the limiting rod is fixed on a base, and the lower portion of the lifting screw rod is hinged to a top plate of the base. The lower end of the lifting screw rod penetrates through the top plate of the base in a downward mode and is connected with an output shaft of a servo motor through a connecting shaft, and the servo motor is fixed in the base. The upper portion and the lower portion of the main connecting shell are fixedly connected with an upper connecting supporting plate and a lower connecting supporting plate through bolts respectively, an LCD such as a TV set can be cooled quickly, adjusting can be conducted according to the size of a TV set or the size of the LCD, the installed TV set and the like can be automatically adjusted up and down, and it is guaranteed that the requirements of different users can be met.

The invention discloses an assembled house structure. The assembled house structure comprises vertical columns, cross beams, ground steel frames, supporting frames, a ring beam, and a main truss and aroof frame for forming a roof, wherein the supporting frames are mounted on the vertical columns; the vertical columns are fixed to the ground; the cross beams are at least connected to the lower positions and the middle positions of the vertical columns through connecting components; the ground steel frames are mounted between the cross beams at the lower positions of the vertical columns. The assembled house structure is mainly applicable to low-rise assembly houses; through standard connecting components such as beam and column connecting components, end connecting components, middle supporting frame connecting components, ring beam butting connecting components and ring beam external corner connecting components, connecting fixation of the supporting frames, the ring beam and other components and the vertical columns is achieved; mounting needs of the cross beams and the steel frames at different positions as well as different positions of the roof in in a house frame can be met;the assembled house structure is very convenient in mounting operation, high in structural strength and fully reusable; a bottom plate is added to the bottom connecting components, and the bottom plate is fixed to the ground through bolts, so that the grounding stability of the whole house is improved.

The invention discloses a two-degree-of-freedom laser scanning method and a hollow numerical control holder. The scanning method includes the following steps of 1 scanning target points setting which includes selecting N ground points in a preset scanning area as target points, 2 target points three-dimensional coordinates determining which includes determining three-dimensional coordinates of the selected N target points respectively and 3 automatic scanning which includes that the hollow numerical control holder comprises a two-degree-of-freedom holder body which comprises a cabinet body and a hollow horizontal rotating platform installed on the cabinet body, a laser is installed in the cabinet body, and a light reflection mirror used for reflecting laser light beams transmitted by the laser and driven by a pitching adjusting mechanism to rotate vertically in the vertical face is installed on the horizontal rotating platform. The method and the holder are reasonable in design, convenient to operate and achieve, good in use effect and capable of solving the problem that complex and accurate coordinate demarcation is required on site in use of the existing two-degree-of-freedom holder, a laser facula position calculation result is low in accuracy and the like.

The invention relates to an aerospace oxygenerator which comprises a case, a compressor, a distribution valve, a gas cylinder and two molecular sieves, wherein a bottom plate for packaging is arranged at the bottom of the case; a compression system box is arranged on the bottom plate; the compressor is supported in the compression system box; a gas inlet mechanism is arranged at the lower part of the front end face and/or the rear end face of the case, and communicated with the compressor by a gas inlet silencer; the compressor is connected with the two parallel molecular sieves by the distribution valve respectively; the two molecular sieves are connected with the gas cylinder by the distribution valve; the distribution valve is communicated with a gas outlet silencer; the gas outlet silencer is communicated with the compression system box; and the compression system box is communicated with an exhaust mechanism arranged at the lower part of the left side face and/or the right side face of the case. The aerospace oxygenerator is compact in structure, convenient, quick, stable and safe to use, easy to dismount and clean, and noise-free; the use comfort can be ensured effectively; and the service life can be prolonged.

The invention relates to a shield method tunnel lining structure pre-buried groove connecting element and an installing method thereof. The equipment installation after the shield method tunnel communication becomes an important limitation factor for influencing the long-term durability of the tunnel, and a method of additionally installing connecting elements for artificial pick drilling causes the problem that the stability and the durability of the connecting elements cannot conform to the existing design standard. A stripped sliding groove is annularly pre-buried in a lining structure, the cross section of the sliding groove is in a rectangular shape, a stripped notch with the smaller outer side and the greater inner side is formed inside a tunnel, the groove bottom is fixedly arranged on the lining structure through a double-head anchor nail, a plurality of T-shaped screw bolts capable of freely sliding are arranged in the sliding grooves, the end part enlarging heads of the T-shaped screw bolts are clamped and embedded in the sliding grooves, and the exposed parts of the T-shaped screw bolts inside the tunnel are fixed with a gasket through screw bolts. The groove connecting element and the installing method provided by the invention have the advantages that the groove connecting elements are pre-buried inside the shield method tunnel lining structure, the T-shaped screw bolts can freely slide in the pre-buried groove, and the exposed parts of the T-shaped screw bolts inside the tunnel can meet the equipment installing requirements in any positions.

The invention discloses a metal sealing ring for an end part of an oil pipe hanger, and a sealing device. The metal sealing ring comprises a metal sealing ring body, wherein the longitudinal section of the metal sealing ring body is rhombic, and a plurality of annular stress relief grooves and deformation grooves which are horizontally arranged are formed in both of the inner wall and the outer wall of the metal sealing ring body at intervals from top to bottom. The sealing device comprises an upper support ring, a lower support ring and the metal sealing ring, wherein the upper support ring and the lower support ring are arranged on the top surface and the bottom surface of the metal sealing ring respectively; the bottom surface of the upper support ring is an inclined surface, and the inclined surface contacts with the vertex angle of the metal sealing ring body and has an angle difference; and the top surface of the lower support ring is an inclined surface, and the inclined surface contacts with the base angle of the metal sealing ring body and has an angle difference. The metal sealing ring and the sealing device, which are disclosed by the invention, have the advantages of being simple in structure, small in size, liable to deform, capable of forming metal sealing with a carrier, good in sealing reliability, and capable of being used for a corrosion environment; and meanwhile, stress deformation is elastic deformation, and the metal sealing ring and the sealing device can be repeatedly used without damage to the carrier, so that the cost can be reduced.

The invention provides a clutch apparatus comprising a decelerator, a clutch mechanism and a motor. The decelerator is provided with a housing; the motor has a rotor and a stator; the stator is arranged outside the stator; the clutch mechanism is formed by an upper fixing disc, a clutch sleeve capable of sliding up and down and a lower dehydrating disc; the clutch sleeve slides up and down to be respectively engaged with the upper fixing disc and the lower dehydrating disc, so work conditions of washing and dehydration can be switched; the upper fixing disc and the stator are respectively fixedly connected with the lower end surface of the housing; the stator is fixedly connected with the housing via a connection member; and the connection member is an independent part component. With the independent connection member, the rotor of the motor can be connected with the housing of the decelerator, so an installation of the motor of a large-capacity washing machine can be achieved and the motor can be conveniently and quickly installed.

The invention discloses a double-head impact screwdriver device. The double-head impact screwdriver device comprises a base, two impact wrenches, sliding plates, a lead screw and an adjusting device,wherein the lead screw is rotationally connected into the base, one end of the lead screw is movably connected with the adjusting device, the lead screw is in threaded connection with one/two slidingplates, the tops of the sliding plates are provided with the impact wrenches, and the power output ends of the impact wrenches are fixedly connected with sleeves. According to the double-head impact screwdriver device, by adjusting the distance between the two impact wrenches, two torque bolts can be tightened and twisted off at the same time, the installation requirements of puncture wire clampsof different models can be met, and the adaptability and practicability are good; and the two impact wrenches are adopted to carry out tightening operation on the two torque bolts on the puncture wireclamps respectively, each impact wrench is independently provided with an impact motor and is driven by a speed reducer and a bevel gear pair, so that enough large output torque is guaranteed, and the twisting process of the torque bolts is smoother.

The invention relates to a power control cabinet, in particular to a dust-proof ventilation power control cabinet. The dust-proof ventilation power control cabinet comprises a cabinet body, a door plate, a dustproof air inlet mechanism, an exhaust ventilation mechanism, a lower mounting frame, an upper mounting frame and a push-pull frame, wherein the cabinet body comprises a top plate, a bottom plate, a cabinet door plate, a back plate, side plates and T-shaped sliding rails; the cabinet door plate and the back plate are respectively fixedly connected at the front and rear ends of the top surface of the bottom plate; the middle end of the top surface of the bottom plate is fixedly connected with the left and right T-shaped sliding rails; two side plates are arranged, and the two side plates are respectively connected to a T-shaped sliding rail in a sliding fit manner. According to the scheme of the invention, the lower mounting frame and the upper mounting frame which can perform deformation adjustment are arranged inside the power control cabinet, the structures of the lower mounting frame and the upper mounting frame can be adjusted according to the mounting requirements, and the mounting requirements of different power equipment can be conveniently met; and moreover, when the structures of the lower mounting frame and the upper mounting frame are adjusted, the space insidethe cabinet body can be driven to change, so that the cabinet body has enough space to install power equipment.

The invention provides a water level wireless telemetering flow monitoring terminal. The monitoring terminal comprises a support, a monitoring terminal and side legs; the support is of a cylindrical structure, and an electric cabinet and the monitoring terminal are mounted at an upper portion of the support through a hoop; the electric cabinet is located above the monitoring terminal; and a photovoltaic cell panel bracket is arranged above the electric cabinet in a welding mode. The improved water level wireless telemetering monitoring device has the advantages that the structural design is reasonable, the power support is provided for the monitoring terminal in a wind power generation and solar power generation complementary mode, the influence on the power generation equipment by the weather and environment is reduced, the overall length of a telescopic rod can be flexibly adjusted through expansion and contraction, the wireless telemetering flow monitoring device is suitable for different installation places, the supporting angles of the side legs can be flexibly adjusted through sliding of a sliding seat, and the installation requirements at different installation points are met, thereby effectively solving the problems and defects in the existing device

The invention discloses a vertical shaft-coupling throw searching technique for a large-scale water turbine, and the technique comprises the steps: enabling a water turbine and a generator water turbine shaft (1) to achieve the vertical shaft coupling with a generator shaft (2), and adjusting the concentricity through a vertical method, thereby reducing the deflection, caused by a horizontal type,of the shaft, and improving the alignment precision; employing a counter point uniform distribution steel wire suspending method, precisely measuring the concentricity, and eliminating the system deviation through counter point measurement, thereby improving the precision; and reasonably setting an adjustment device at the external periphery of a shaft coupling flange surface. The technique doesnot occupy equipment, is simple in operation, is reliable in precision, overcomes a difficulty in the vertical adjustment after the shaft coupling of the generator water turbine shaft (1) and the generator shaft (2), improves the adjustment efficiency and precision, is novel, reasonable and simple, enables the machining quality to be controllable, and is high in precision.

The invention relates to a boat sonar retracting and releasing mechanism. The retracting and releasing mechanism comprises a turning plate set, a lead screw nut set, a chain transmission set, a motor and a fast-assembly base. The turning plate set comprises a sonar mounting seat and a telescopic mechanism; a sonar main body is mounted on the sonar mounting seat, and the sonar mounting seat is connected with the telescopic mechanism; the two sides of the bottom of the turning plate set are symmetrically hinged to the two lead screw nut sets; the lead screw nut sets and the motor are installed on the fast-assembly base, and the two lead screw nut sets are connected with the motor through the chain transmission set; the fast-assembly base is mounted on a ship bow; the motor and the telescopic mechanism are automatically controlled through a PLC, and the motor drives the two lead screw nut sets through the chain transmission set to synchronously drive the turning plate set to turn over; and the telescopic mechanism drives the sonar mounting seat to automatically stretch out and draw back. The ship bow does not need to be independently designed, rapid disassembly and assembly are achieved, overturning, water entering and water exiting of the sonar can be rapidly completed according to requirements, and the overturning angle and the water entering depth can be freely adjusted within the preset range.

The invention provides a fixing method and a clamp device for a buried waterstop, and belongs to the technical field of construction devices. The technical scheme is that the clamp device for the buried waterstop comprises the waterstop, a support unit and a plurality of uniform clamping units which penetrate the support unit and are in contact fit with the waterstop. The fixing method and the clamp device for the buried waterstop have the beneficial effects of good fixing effect, simple structure, convenient operation, high applicability and improved construction efficiency.

The invention discloses an open hole segmented acid fracturing easy-to-drill well completion production tubular column and a working method thereof. The open hole segmented acid fracturing easy-to-drill well completion production tubular column comprises an oil pipe, a packer, an easy-to-drill releasing device, an easy-to-drill oil pipe, easy-to-drill packer sieve tube sliding sleeve groups, an easy-to-drill setting ball seat and an easy-to-drill floating shoe which are sequentially connected from top to bottom. Each easy-to-drill packer sieve tube sliding sleeve group comprises an easy-to-drill open hole packer, an easy-to-drill temporary plugging sieve tube and an easy-to-drill fracturing sliding sleeve which are connected from top to bottom, and the number of the easy-to-drill packer sieve tube sliding sleeve groups is at least one. Each easy-to-drill temporary plugging sieve tube comprises a base pipe, a coupling and soluble plugs, wherein the base pipe adopts a circular pipe column, holes are uniformly drilled in a pipe body of the base pipe, and the soluble plugs are arranged in the holes and tightly connected and fixed to the holes. A check valve is arranged in the easy-to-drill floating shoe. According to the open hole segmented acid fracturing easy-to-drill well completion production tubular column and the working method thereof, rapid and convenient drilling treatmentcan be realized, a well wall can be effectively supported, pipe column sand burial caused by the collapse of the well wall is prevented, various designs are provided for the internal structure, and different requirements are met.