18results about How to "Increase the installation height" patented technology

The invention relates to the technical field of capacitors, and discloses a multi-layer ceramic capacitor preparation method and a multi-layer ceramic capacitor. According to the scheme, a clamp is arranged, and the two side faces, in the Z direction, of a laminated body mother board are clamped and covered by the clamp, when external electrodes are prepared, the external electrodes are only distributed on two first cut-off faces; therefore, the width dimension and the thickness dimension of the multilayer ceramic capacitor can be saved, the number of the inner electrodes and the width of the inner electrodes can be increased, and the capacitance of the multilayer ceramic capacitor can be improved. In addition, when any side surface except the two first cut surfaces is used as the mounting surface of the multilayer ceramic capacitor, soldering tin can be prevented from being filled between the multilayer ceramic capacitor and the bonding pad, so that the mounting height of the multilayer ceramic capacitor can be prevented from being increased.

The invention provides a large-span formwork-removal-free floor slab, a floor slab mounting structure and a construction method. The large-span formwork-removal-free floor slab comprises prefabricated slabs, cast-in-place slabs and truss steel bars. The cast-in-place slab is formed at the upper end of the prefabricated slab through concrete pouring; the truss steel bars comprise upper-layer steel bars, lower-layer steel bars and a plurality of hook steel bars. By using the combination form of the prefabricated slab and the cast-in-place slab, the formwork does not need to be disassembled in the construction process, so that the construction period is shortened, the labor cost is reduced, and the construction efficiency is improved. The upper-layer ribs and the lower-layer ribs of the truss steel bars are arranged at the top and the bottom of the cast-in-place slab respectively, a good stress system is formed, the bearing capacity and the bending resistance of the floor slab can be improved, the hook steel bars are arranged on the upper portion of the prefabricated slab, the upper-layer ribs and the lower-layer ribs are connected through the extending parts, and stress transmission among different parts is more uniform. The stability of the whole structure is enhanced, the number of supporting structures can be effectively reduced, the flexibility and the utilization rate of space are improved, and the structure is suitable for large-space building application.

The utility model belongs to the field of temperature control device, concretely relates to a temperature control device for high -efficient refrigeration station, including temperature control box, the front of temperature control box is equipped with the box door, the lower extreme both sides of temperature control box all hinge have the turnover board, the lower extreme fixed connection of turnover board has the support frame, the outside of temperature control box is provided with the limiting mechanism, the lower extreme fixed mounting of temperature control box has four even distribution's rubber column, the inside slide connection of support frame has the slide column, the outside fixed connection of slide column has the drive strip. The utility model adds the turnover board, support frame and limiting mechanism and other structures on temperature control box, when needing to install temperature control box in higher position, can drive support frame with ground vertical through turnover board, can increase the installation height of temperature control box through support frame and support plate, can avoid the short circuit of the component inside temperature control box caused by the water gas of ground.

The utility model relates to the technical field of liquid distribution equipment, and discloses a liquid multichannel distributor which comprises a distributor body and a regulator fixedly connected with one side of the distributor body, a feeding pipe is fixedly installed on the surface of the distributor body, an annular buckle is fixedly installed at one end of the feeding pipe, and a fixing groove is formed in the surface of the annular buckle. An annular clamping groove is further formed in the surface of the annular buckle, and a sealing gasket is movably installed in the annular clamping groove. According to the liquid multi-channel distributor, through the arrangement of the annular buckle, the fixing groove, the annular clamping groove, the sealing gasket and the annular concave area, the annular buckle can adjust the installation position on the feeding pipe according to needs to adapt to barrels with different heights, and after the feeding pipe is placed in the barrels, the sealing gasket is blocked on barrel openings of the barrels; and the sealing gasket and the annular concave area can cover the barrel opening in a deformation and good manner, so that the sealing performance of the feeding pipe placed in the barrel is ensured, external impurities are prevented from entering the barrel, and the purity of distributed liquid is ensured.

The utility model discloses a device for supporting and fixing an underground mining pneumatic turnout controller. The device comprises two roadway fixing plates and two turnout supporting plates, adjusting grooves are horizontally formed in the positions, close to the outer ends of the turnout supporting plates, of the two turnout supporting plates. The upper sides of the two turnout supporting plates are both used for containing the mining pneumatic turnout controller, and the mining pneumatic turnout controller is fixed to the upper sides of the two turnout supporting plates through bolts. The two turnout supporting plates and the controller supporting plates are used for mutually adjusting and cooperating to enable the mining pneumatic turnout controller to be kept in a horizontal state, and the mining pneumatic turnout controller is fixed to the side wall of a roadway; according to the utility model, the installation height of the pneumatic turnout controller is increased, so that the convenience of operating a turnout by an electric locomotive driver is improved, the safety, reliability and convenience of operation are improved, and the manpower maintenance cost is reduced.

The utility model discloses an oil drain valve block of a hydraulic jack, which is used for being installed on a jack base, an oil drain channel and an oil return channel are arranged in the jack base, the oil drain valve block comprises a valve block body and an oil drain screw, and the valve block body is detachably installed on the jack base. An adjusting cavity, an oil inlet channel and an oil outlet channel are formed in the valve block body, the oil inlet channel and the oil outlet channel are communicated with the adjusting cavity, the oil inlet channel is communicated with the oil drainage channel, the oil outlet channel is communicated with the oil return channel, a screw hole communicated with the adjusting cavity is formed in the side portion of the valve block body, and the oil drainage screw is in threaded connection with the screw hole and is adjusted to make axial displacement. And the oil inlet channel and the oil outlet channel are connected or disconnected. The hydraulic jack not only solves the problem that the whole jack is scrapped due to the fact that an oil drainage screw of an existing jack is damaged, but also solves the problem that the oil drainage screw of the existing jack is too low, the oil drainage screw sinks into the ground after a base sinks in the process of using the jack, and pressure relief cannot be carried out.

The utility model discloses a tunnel jet fan which comprises a silencer, an inner container is arranged in the silencer, fan blades are installed in the inner container, silencing cotton is filled between the inner container and the silencer, the section of the silencer is hexagonal, the silencer comprises a first plane, a second plane and a third plane, and the adjacent first plane and the third plane are connected through the second plane. The distance from the first plane to the inner container surface is smaller than that from the second plane to the inner container surface. The silencer is arranged to be hexagonal, the thickness of the silencing cotton filled on the left side and the right side of the inner container is increased to reduce noise generated when the jet fans are arranged in parallel, and therefore the overall noise of a tunnel can be reduced.

The utility model discloses an in-cavity oil suction pipeline for implementing an oil cooling oil way for an electrically driven double-motor stator, which comprises a settling section and an immersed tube section, the settling section is inclined from top to bottom, the upper end of the settling section is provided with a mounting seat, and the settling section is mounted on the inner wall of an electrically driven front shell through the mounting seat and is in butt joint with a port of the oil way; the immersed tube section is immersed below the liquid level of the lubricating oil, and the outer end of the immersed tube section is provided with an oil suction port. The periphery of the immersed tube section is sleeved with a cylindrical filter screen sleeve. One end of the filter screen sleeve is a closed end, the other end of the filter screen sleeve is a sleeve opening end, the sleeve opening end is arranged on the periphery of the immersed tube section in a sleeved mode, and the sleeve opening end of the filter screen sleeve is locked on the periphery of the immersed tube section through an annular lock sleeve. The device has the advantages that the installation height of the external oil pump can be increased as much as possible, installation of an electric driver in a vehicle body is facilitated, and normal oil suction of an oil cooling oil way can be guaranteed; the oil absorption requirement of large oil absorption quantity can be met; and stable installation of the oil suction pipeline can be ensured.

The utility model provides a bolt-sphere net rack electromechanical installation common reverse support device which comprises a bolt-sphere connecting mechanism and a common reverse support mechanism. The bolt ball connecting mechanism comprises a vertical support, the bottom of the vertical support is provided with a connecting end used for being connected with a bolt ball, and the top of the vertical support is provided with a supporting plate. The shared reverse supporting mechanism comprises a supporting plate, the supporting plate comprises a first bent section, a horizontal section and a second bent section which are fixedly connected, and the bolt-sphere connecting mechanisms are fixedly connected to the lower portions of top plates of the first bent section and the second bent section. The top plates of the first bending section and the second bending section are fixedly connected with the corresponding supporting plates respectively; and a detachable mounting fixing piece is assembled on the horizontal section. According to the utility model, the convenience and the stability of mounting various bridges and pipelines in electromechanical engineering in the space of the bolt-sphere net rack are improved.

The utility model discloses a photovoltaic line ground resistance resistance lightning protection device, including site, photovoltaic system and lightning protection component, the center of site installs photovoltaic system, and the periphery of photovoltaic system is installed with resistance soil zone that buries. Advantageous effect: set up the main ground net that surrounds the outside of photovoltaic system, through the reliable connection of the ground lead -on line of multipoint connection with photovoltaic system, scatter lightning current distribution, adopt the main ground net material of graphene ground belt, through the resistance rate of multiple parallel reduction, its conductivity and corrosion resistance are superior to traditional steel material, can reduce contact resistance, on this basis, since the main ground net is connected with photovoltaic system through the ground lead -on line of mesh arrangement, and the main ground net is laid on the top surface of rectangular resistance soil zone, and the main ground net is set in the pre -buried pit of resistance soil zone through the ground lead -down body, combines the resistance soil zone of low resistance rate soil and resistance agent filling combination, enlarge the current spreading range, promote the current spreading efficiency.

The present invention belongs to the technical field of existing building reconstruction, and specifically relates to an additional elevator system for existing buildings and a control method thereof. The present invention includes an elevator room and a lift, and a turntable is arranged at least on one side of the lift. The turntable is hinged with a telescopic gallery bridge through a first vertical hinge shaft, and the rotation of the turntable can drive the telescopic gallery bridge to produce a swinging motion; the axis of the first vertical hinge shaft is parallel to the telescopic direction of the telescopic gallery bridge, and the system also includes a driving component for driving the telescopic gallery bridge to produce an articulated motion. The present invention can not only meet the needs of people to get on and off the inter-floor rest platform quickly, but also meet the needs of the elderly and even people with limited mobility who need to rely on wheelchairs or stretchers to get on and off the elevator directly at the floor platform, so that the present invention can meet the needs of various types of people to the greatest extent; the present invention can also provide a control method to specifically solve the needs of people to get on and off the elevator.

The utility model provides a drum transmission assembly of a filter-cloth-free vacuum suction filter, which is characterized in that a bearing seat is arranged at the power input end of a drum main shaft, and a rolling bearing is arranged in the bearing seat to carry out rolling support on the drum main shaft; a worm gear is fixedly mounted at the shaft head of the rotary drum main shaft, a worm is erected below the worm gear, a volute is arranged outside the worm gear and the worm for sealing and shielding, and the volute and the bearing seat are independent from each other and are not attached to each other; the volute is formed by splicing an upper volute and a lower volute. Bottom feet of the lower volute are fixedly installed on the volute support and provided with adjusting gaskets in a cushioned mode. According to the rotary drum transmission assembly, when the worm gear and the worm are overhauled and replaced, only the volute needs to be disassembled independently, tedious work such as disassembly and assembly of the bearing seat and hoisting of the rotary drum is not needed, and the work is more time-saving, simpler and more convenient; the installation height of the lower volute can be increased by replacing the thicker adjusting gasket, the meshing clearance between the worm gear and the worm is reduced, and the operation is very convenient.

The invention discloses a mounting base with a low electromagnetic wave scattering sectional area, and belongs to the technical field of anti-electromagnetic wave detection. The mounting base comprises an upper cone flange, an upper cone pipe, a middle cone flange, a lower cone pipe group and a mounting base bottom plate which are sequentially and fixedly connected into a whole from top to bottom; the exposed appearances of the components are all cones, the upper taper pipe, the lower taper pipe set and the installation base bottom plate are in an inverted taper shape, the upper taper flange and the middle taper flange are in a positive taper shape, and after the components are combined, electromagnetic waves incident in a certain direction can be reflected to different directions. The electromagnetic wave scattering sectional area can be greatly reduced, compared with a conventional cylindrical mounting base, the RCS attenuation multiple of the mounting base can reach more than 100 times, the low electromagnetic wave scattering sectional area performance of a ship can be greatly improved, and the safety of the ship is guaranteed.

The invention relates to the technical field of channel monitoring, in particular to a channel monitoring method and system based on a compound eye camera, and the system comprises a multi-section telescopic rod installed beside a channel, and the upper end of each group of telescopic joints in the multi-section telescopic rod is welded with an expansion plate; the expansion plate in the group of telescopic joints located at the uppermost end of the multi-section telescopic rod is provided with a compound eye camera, the expansion plate in the group of telescopic joints located in the middle of the multi-section telescopic rod is provided with a detection radar, and the expansion plates in the two groups of telescopic joints located at the upper end and the lower end of the multi-section telescopic rod are provided with visibility monitoring devices; according to the channel monitoring method and system based on the compound eye camera, the defect that the use environment is limited in the prior art is overcome.

This utility model belongs to the field of door and window technology and discloses a waterproof curtain wall structure, including a central column, a window frame, a window sash, and hinges. The window frame is installed on the central column, and the window sash is connected to the window frame via hinges. All three components—the central column, window frame, and window sash—are equipped with thermal break structures. A groove is machined into the top of the inner frame, and a step is machined into the outer wall of the outer frame. The window sash is separated into an inner sash frame and an outer sash frame by the thermal break structure. A clearance space for installing the hinge is machined into the bottom of the inner sash frame, and the hinge is installed within this clearance space and connected to both the inner frame and the inner sash frame. A downwardly extending baffle is installed on the outer wall of the outer sash frame, and a sealing strip is installed on the bottom side wall of the baffle to abut against the side wall of the step on the outer frame. This utility model installs the hinge between the inner sash frame and the inner frame, and provides clearance space on the inner sash frame to accommodate the hinge, thereby increasing the hinge installation height. Simultaneously, the step on the outer frame facilitates water drainage, thus reducing corrosion of the components.

The utility model discloses a movable in-greenhouse spraying device which comprises a greenhouse, guide rails and a spraying box, the two guide rails are arranged in the middle of the inner side of the greenhouse, and the spraying box is arranged above the two guide rails; the two guide rails are arranged in the greenhouse, the spraying box is arranged in a rolling mode through the rail wheels, the left traction rope or the right traction box of the spraying box is wound through external winding equipment, the rail wheels at the bottom of the spraying box are made to roll along the two guide rails arranged in parallel, and at the moment, the water pump is powered through the storage battery; a water pump is promoted to work to pump liquid in a spraying box into a transition barrel under the action of a water outlet pipe, and then a range type spraying structure is formed by a group of side spraying pipes distributed on the left side and the right side of the transition barrel and a tail spraying pipe distributed at the tail end of the spraying box, so that the spraying structure can comprehensively spray plants in a greenhouse; compared with the prior art, the guide rails and the rail wheels are adopted, so that the walking structure of the spraying box occupies a small space.

The invention discloses a portable inductance-adjusting capacitance-adjusting resonant AC voltage-withstanding test device, and aims to solve the problems of large equipment size, heavy weight, high cost, difficulty in assembly and high installation risk in the prior art. The resonant frequency of the device is adjusted in a capacitor + inductor adjusting mode, so that the whole device only needs to use one inductance adjusting reactor, the adjusting difficulty is reduced, and the weight, size and cost of the device are reduced; meanwhile, detachable reactor hoisting equipment is matched, so that the mounting risk can be reduced while the mounting convenience and efficiency are improved; besides, the series-connected reactors are arranged on the fixing mechanism which is vertically fixed on the base in a sleeving manner, so that the series-connected reactors can be prevented from toppling over, the mounting height can be reduced, and the assembly safety is improved; therefore, the power frequency alternating current withstand voltage test and the variable frequency alternating current withstand voltage test can be realized by using relatively small equipment and relatively low cost.