88results about How to "Guaranteed installation location" patented technology

The invention discloses a roof photovoltaic power generation system. The system comprises a solar photovoltaic module, an edge card, a middle card, an adjusting block, an adjusting rod and a footing, wherein the adjusting rod is provided with an upper external thread and a lower external thread between which a polish rod part is connected and which have opposite turning directions; the top of the adjusting rod is provided with a turning structure, the bottom of the adjusting rod is provided with a second connecting section with an external thread, and the diameter of the second connecting section is smaller than that of the adjusting rod; the footing is arranged under the adjusting block and is connected with the adjusting block through the adjusting rod; the upper thread of the adjusting rod is connected with an adjusting screw hole of the adjusting block in a matching mode, and the lower thread of the adjusting rod is connected with a second adjusting screw hole of the footing in the matching mode; and the second connecting section of the adjusting rod is provided with a nut which is clamped in a through hole below the second adjusting screw hole of the footing. By the roof photovoltaic power generation system, the photovoltaic module can be adjusted up and down, the installation surface of the photovoltaic module has a consistent height, and the normal generating efficiency of the photovoltaic module is ensured.

The invention discloses a method and a special tool for assembling a back door and hinges. The method comprises the following steps of: (1) placing the back door in the special tool, wherein the special tool comprises a base, the base is provided with a supporting and locating device and a compressing device, the supporting and locating device is used for supporting and locating the back door, the compressing device is used for fixing the back door at the supporting and locating device, and hinge locating blocks are arranged at the parts, corresponding to positions of the back door for mounting the hinges, of the compressing devices; (2) supporting and locating the back door by utilizing the supporting and locating device; (3) compressing and fixing the back door at the supporting and locating device by utilizing the compressing device; and (4) putting the hinges in the hinge locating blocks to be located and fixing the hinges on the back door. The method and the special tool for assembling the back door and the hinges are suitable for assembly of the back door.

The invention discloses a pipe head of a water conservancy project desilting device. The pipe head of the water conservancy project desilting device comprises a pipe expanding body. The upper end of the pipe expanding body is connected with a feeding pipe. The upper end of the feeding pipe is provided with a connection pipe in a clamped manner. Multiple connection rods are symmetrically welded tothe inner side wall of the pipe expanding body. A protection cover is jointly welded among the multiple connection rods. A waterproof motor is arranged in the protection cover. An output shaft of thewaterproof motor penetrates through the protective cover and is provided with a rotating shaft in a welded manner. The rotating shaft is provided with rotating tool bits. The pipe head of the water conservancy project desilting device has the advantages that the structure is ingenious, large objects in sludge and water plants are smashed through the rotating tool bits, the water plants which are not smashed are blocked through connection rods and clamping rods, the feeding pipe and the connection pipes are protected in a multidirectional manner, and the probability of pipeline blockage and device damage is lowered.

The invention discloses a gear box elastic support component of a wind turbine generator set. The component comprises an upper base body and a baseplate, wherein a frame structure formed by four stand columns with rectangular sections at four corner parts of the upper base body and the baseplate is connected between the upper base body and the baseplate; an upper elastic piece is arranged in the bottom center of the upper base body; a lower elastic piece is arranged in the upper center of the baseplate; an upper ejector block aligned to the upper elastic piece is arranged above the upper base body; and a lower ejector block aligned to the lower elastic piece is arranged below the baseplate. After the structure is adopted, on the one hand, the structures of the stand columns enable the weight to be light, the material waste is prevented in the machining process, and the cost is saved; and on the other hand, the base and the stand columns are singly arranged, the installation is more convenient when the whole volume is decreased, and the manufacturing cost is further reduced; and in addition, a limiting block is arranged at the upper part of the baseplate, so that the baseplate is thinner to further reduce the whole weight when the installation position can be guaranteed.

The invention relates to a connecting structure of an impeller and a gear shaft, in particular to a positioning clamping structure of the impeller. The connecting structure comprises the gear shaft and the impeller and is characterized by further comprising fastening screws. The impeller and the gear shaft are concentric, and the fastening screws enable the impeller to be in fastening connection with the gear shaft by screwing. The end face of the gear shaft is provided with a positioning hole, and the back of the impeller is provided with a positioning boss. The number of the fastening screws is more than three. The connecting structure is simple, compact and reasonable in structure, installing positions of parts can be guaranteed well by machining, the impeller and a high-speed gear can be connected firmly together only through the fastening screws, and the impeller can be positioned circumferentially and axially simultaneously. The connecting structure of the impeller and the gear shaft is low in assembling difficulty and reliable to connect, a key groove and a key are not required, force assembling is not required, and stability of a system can be improved.

The invention belongs to the technical field of civil defense doors and particularly relates to a moveable-threshold fireproof protective airtight door of an escape route of a high-speed railway tunnel. The moveable-threshold fireproof protective airtight door comprises a door frame, a door leaf, hinges, closing locks, a movable threshold and a sealing device. The door frame is installed on a tunnel wall. The door leaf is rotationally matched with the door frame through the hinges. The closing locks are installed on the door frame and are in sliding fit with the door frame. The movable threshold is installed at the bottom of the door frame and connected with the tunnel wall. When the door leaf is closed, the movable threshold abuts against the bottom of the door leaf. The sealing device isinstalled on the door frame and the door leaf. When the door leaf is closed, the door leaf is pressed to the movable threshold in an embedded manner. By arranging the movable threshold, the installation condition of the protective door is improved, a step is not needed when the protective door is installed, and the moveable-threshold fireproof protective airtight door has the feature of convenient construction. Meanwhile, the movable threshold can be detached, so that materials and personnel can conveniently pass, and therefore the moveable-threshold fireproof protective airtight door also the feature of high passage capacity.

The invention relates to a connection structure for an automobile side cover, which comprises a positioning structure and a fastener fixed structure, wherein the positioning structure comprises a positioning pin frame and a positioning pin which are matched; and the fastener fixed structure comprises a fastener fixed frame and a fastener which are matched. The connection structure provided by theinvention does not have exposed fastening parts, increases the internal decoration level of the whole automobile, does not need additional assembly parts such as plastic bolts and the like, can save the cost of the finished automobile, also can guarantee the side cover to be directly assembled through coordination, saves the time needed by assembly, is convenient to adopt a pull-down mode to directly dismantle the side cover; therefore, the disassembling mode is simple and convenient to after-sales repair.

The invention discloses a roof photovoltaic power generation system, comprising solar photovoltaic modules, a roof fixing member, a border clamp and a middle clamp. The border clamp is arranged at the side of the solar photovoltaic module, the upper part of the frame of the solar photovoltaic module is attached with the supporting part of the border clamp, and the bottom of the frame is clamped in the clamping slot of the supporting part of the border clamp. A border clamp connection hole is fixedly connected with the screw of the supporting part of the roof fixing member through a bolt, therefore the frame of the solar photovoltaic module is clamped between the border clamp and the roof fixing member. The middle clamp is arranged between two adjacent solar photovoltaic modules. The roof fixing member is fixed on the roof through the through hole on the fixing part thereof. The invention realizes the regular and fast installation of the roof photovoltaic power generation system.

The invention relates to an assembly external wall heat insulation system and an assembly method of the assembly external wall heat insulation system, and belongs to the field of building external wall heat insulation. The assembly external wall heat insulation system mainly comprises a heat insulation material, a support seat, a keel, a wedge-shaped gasket, a heat insulation pad, a panel clamp element and an external wall panel, wherein the heat insulation material is connected to a wall body, the support seat is fixedly arranged on the wall body and is connected with the keel, and the panel clamp element is used for supporting the external wall panel and is connected with the keel. The assembly method comprises the following main steps that the support seat is fixedly arranged on the wall body, then, the heat insulation material is fixedly arranged on the wall body, the keel is fixedly arranged on the support seat, the panel clamp element and the external wall panel are installed, and then, gaps are sealed. The heat insulation material filling mode in the external wall heat insulation system can avoid the negative air pressure effect, the external wall heat insulation system can realize the horizontal, transverse and vertical three-dimensional adjustment in all angles, the panel installation position and the flatness are ensured, the field installation mode is adopted, the field construction efficiency can be improved, and the construction period is shortened.

A fixed shaft type full-moving rudder surface mounting structure provided by the invention comprises a rotating shaft, a limiting bolt, a beam, a cushion block, a tightening nut and a rocker arm, andthe rotating shaft is inserted into a fuselage supporting structure and is fixed through the limiting bolt. The beam and the cushion block are sleeved on the rotating shaft and are locked by the tightening nut combined with the rotating shaft, the rocker arm is fixedly connected with the beam through bolts, and a steering engine controls the rocker arm to drive the beam to rotate around the rotating shaft. The fixed shaft type full-moving rudder surface mounting structure has the characteristics of only one key mounting procedure, simple limiting structure and limiting mode, clear limiting effect of each fulcrum, no over-constraint, effectiveness in guaranteeing that the installation position of the full-moving rudder surface is within the reasonable tolerance range relative to the theoretical position of the full-moving rudder surface, stable rudder surface control gap, no increase of the rotating friction force of the rudder surface, and facilitation of improvement of the service life of related structural parts, the airplane flutter speed and the flight quality.

The invention discloses a medium-buried rubber water stop fixing method and a steel reinforcement framework structure and relates to the technical field of pipe rack construction. The steel reinforcement framework structure for fixing a medium-buried rubber water stop comprises an external frame; an internal frame is fixedly connected to the external frame through a connecting pipe; a supporting frame is arranged outside the internal frame in a sleeving manner; and the supporting frame is fixedly connected with the internal frame through a connecting pipe. According to the medium-buried rubberwater stop fixing method and the steel reinforcement framework structure, by improving the steel reinforcement framework structure and the water stop fixing method, the water stop in a pipe rack expansion joint position can be very well and reliably fixed, and therefore, it can be very well guaranteed that the water stop mounting position and tipping degree satisfy design requirements; the waterseepage situation of a pipe rack expansion joint can be effectively controlled to sufficiently develop the water stopping and blocking effect of the water stop; and therefore, the service life of a pipe rack is prolonged.

The invention discloses a guiding and position locking and arrangement device of a flexible landslide clinometer. The guiding and position locking and arrangement device comprises an inclination measurement pipe and a positioning mechanism, wherein the inner wall of the inclination measurement pipe is provided with a chute; the positioning mechanism comprises a supporting plate; the outer side surface of the supporting plate is provided with a buckle; the upper part and the lower part of the inner side surface of the supporting plate are respectively provided with two gears; the gears are allconnected with torsion springs; each torsion spring is connected with one end of a bracket; the other end of the bracket is connected with an idler wheel; the positioning mechanism also comprises a baffle, wherein the outer side surface of the clapboard is provided with two clamping needles; the clamping needles are fixed through a steel wire; the positioning mechanism passes through the idler wheel to downwards roll along the chute until the steel wire is pulled out; after the steel wire is pulled out, the torsion spring on the lower part of the supporting plate drives the clamping needles torotate until the lower part of each clamping needle is penetrated into the chute. The guiding and position locking and arrangement device of the flexible landslide clinometer has the beneficial effects that the positioning of the measurement unit of the clinometer is realized through pulling out the steel wire, the guiding and position locking and arrangement device of the flexible landslide clinometer is convenient in operation and is suitable for the requirements of the reliable fixing of the installation of a field clinometer, the torsion spring rotates to drive the idler wheel to rotate to adapt to the deformation of the inclination measurement pipe, and the extrusion of the deformation of the inclination measurement pipe for a testing unit is avoided.