15results about How to "Reduce installation clearance" patented technology

The utility model relates to the technical field of parts of coal mining machines, in particular to a cutting pick of a coal mining machine, which comprises a cutter body, a cutter head is mounted on the upper portion of the cutter body, and the cutter body is structurally provided with an embedded mounting portion, a middle connecting portion and a cutter head mounting portion sequentially from bottom to top. The middle connecting part is used for connecting the embedded mounting part and the tool bit mounting part, the outer wall of the embedded mounting part is provided with a cutting pick stabilizing device, the cutting pick stabilizing device comprises a lifting module and a forward-extending extrusion module mechanically matched with the lifting module, the lifting module is mounted at the outer position of the left wall of the embedded mounting part, and the forward-extending extrusion module is mounted at the outer position of the right wall of the embedded mounting part. When the embedded installation part is installed, the ascending module is extruded by the installation space to move upwards and generate reasoning on the forward-extending extrusion module, the forward-extending extrusion module is installed in the embedded installation part, and after being pushed by the external force of the ascending module, the forward-extending extrusion module extends out of the right wall of the embedded installation part and abuts against the installation space where the forward-extending extrusion module is located.

The invention relates to the technical field of wind tower buildings, and discloses a prestressed steel strand steering support of a mixed tower and a using method of the prestressed steel strand steering support, and the prestressed steel strand steering support comprises a tower wall and a steel strand arranged on the inner side of the tower wall; a steering adjusting mechanism is arranged between the tower wall and the steel strand and comprises a base fixed to the tower wall, a supporting frame arranged on one side of the base, a rotating shaft arranged on the supporting frame and a steering roller arranged on the rotating shaft, long-strip-shaped holes are formed in the four corners of the base, and bolts are arranged in the long-strip-shaped holes. Bolt sleeves are embedded in the positions, opposite to the bolts, of the tower wall, the bolts extend into the bolt sleeves and are used for limiting displacement between the tower wall and the base, headband hole pins are arranged on the supporting frames in a penetrating mode, the steering roller is arranged on the outer surfaces of the headband hole pins in a sleeving mode, and the steel strands make contact with the outer surfaces of the steering roller. The steering roller can reduce the stress loss at the turning position of the steel strand in the prestressed steel strand system and slow down the loss speed of the service life of the steel strand.

The invention discloses an environment-friendly range hood based on a dynamic smoke dust separation technology, and belongs to the technical field of oil smoke separation. Comprising a shell, a motor, an impeller, a smoke exhaust mechanism, a dust removal mechanism, a sensor and a controller, the impeller is rotationally installed in the shell and driven by the motor, the smoke exhaust mechanism comprises a filter screen and a connecting assembly, the filter screen and the impeller are coaxially and rotationally installed through the connecting assembly, and the filter screen is a diamond mesh oil filter screen formed by interweaving multiple sets of curves; the dust removal mechanism comprises a brush and an opening and closing mechanism, the opening and closing mechanism is arranged on the shell and used for adjusting the working angle of the brush, and the sensor is used for detecting the smoke concentration around the range hood. The smoke and dust separation of the smoke exhaust ventilator is realized, dust in the smoke is effectively separated, the exhausted gas is purified, the pollution to outdoor air is reduced, the accumulation speed of the smoke and dust on the filter screen is reduced through the arrangement of the brush, and the cleaning and maintenance cost of the smoke exhaust ventilator is further reduced.

This utility model relates to the field of equipment support technology, specifically to an assembly bracket for an external sensor unit of a UAV. The assembly bracket includes a unit assembly frame with a connecting groove. A first locking crossbeam is slidably connected to the inner side of the connecting groove, and one end of the first locking crossbeam is fixedly connected to a lateral limiting post. A lower housing is embedded inside the first locking crossbeam and applies a pushing force to a sliding filler block originally located inside the first locking crossbeam, causing the sliding filler block to insert into a recessed locking seat. At this time, the self-locking switch is not subjected to the squeezing force of the lower housing, thus turning on the sensor power in the assembled state, which can be used to indicate that the stable installation has been completed. Simultaneously, because the first locking crossbeam is constrained by fixing bolts and the filling of the sliding filler block and the recessed locking seat on both sides, the overall installation gap is reduced, which can reduce vibration and ensure the stability of the externally mounted unit during flight.

This utility model discloses a photovoltaic module installation structure for the side of a traffic road, comprising: vertical columns spaced apart in the left-right direction, with a support plate on the front side of the vertical columns; connectors, with their left and right ends supported by corresponding support plates and connected and fixed to the support plates; a fixing component including a connecting block and a pressure block, the connecting block being connected to the connector, the pressure block being connected to the front end of the connecting block and protruding vertically from the connecting block, the pressure block, the connecting block, and the connector forming a groove; and a photovoltaic module, with its bottom and top embedded in the corresponding groove and pressed by the pressure block to fit snugly against the connector. This utility model achieves the positioning, installation, and fixing of the photovoltaic module by embedding its bottom and top into the groove and applying pressure with the pressure block to ensure a tight fit with the connector, thereby reducing installation gaps, avoiding vibration and noise caused by installation gaps, simplifying installation steps, reducing installation time and labor costs, and improving construction efficiency.

The utility model discloses a kind of quick-mounting connecting pieces of driving rotary shaft and driven synchronous shaft, belong to connecting piece technical field, including pin, seal ring, cover and E-type snap spring;The pin includes shaft body, tail cover and the insertion portion of buckle groove;The seal ring is equipped with the cover installation groove, insertion portion through groove and shaft body abutting groove in intercommunication;The convex part is set in the middle of the cover, and convex part sets pin let -go hole;The E-type snap spring is open ring, and buckle part is set in inside;The cover is placed in cover installation groove, insertion portion passes through shaft body abutting groove, insertion portion through groove and pin let -go hole in sequence, E-type snap spring is clamped between cover and cover installation groove, its through -hole is guided expansion by insertion portion taper surface, buckle part is clamped into groove after completely through and realizes fixedness.This utility model is installed quickly, few parts, using snap spring elasticity automatic clamping, and installation position tolerance is good;Chamfer processing reserve weld, and connection strength is high, and shear capacity is strong;Compact cooperation, impact is small.

The utility model provides a car door side cover plate and gauge thereof, the whole is integrative forming rectangular plate shape structure, including main board, one side of main board is equipped with a number of edge, the other side is equipped with two number of edge, the edge of a number of edge still is equipped with secondary edge, the front of main board is equipped with a plurality of recess, the back of main board is equipped with a plurality of one buckle, the both ends of main board back, every end is equipped with two two buckles respectively, still be equipped with a positioning column between two two buckles, the back of a number of edge is equipped with one three buckles at the position of both ends end portion respectively. The utility model carries out the redesign to the structure of car door side cover plate, and installation is firm, and it is convenient to dismount, reduces the installation gap, and realizes the detection acceptance to car door side cover plate through gauge, improves detection efficiency and acceptance quality.

The application provides a material crushing and grinding device, and relates to the technical field of crushing equipment. The device comprises a device shell, an isolation plate fixedly arranged in the inner cavity of the device shell to separate the inner cavity of the device shell into an upper chamber and a lower chamber, a crushing chamber cylinder arranged in the upper chamber, a crushing chamber formed in the crushing chamber cylinder, a cutter assembly arranged in the crushing chamber, a planetary gear train comprising a sun gear arranged below the crushing chamber cylinder and a plurality of planetary gears engaged with the gear teeth of the sun gear, an inner tooth ring fixedly arranged on the inner wall of the crushing chamber, the gear teeth of the inner tooth ring being engaged with the gear teeth of the plurality of planetary gears, a driving device arranged in the lower chamber, and a cutter shaft of the cutter assembly, the cutter shaft passing through the rotation shaft center of the sun gear and being fixedly connected with the rotation shaft of the sun gear, the end of the cutter shaft passing through the isolation plate and being fixedly connected with the driving output end of the driving device. The application can effectively improve the crushing and grinding effect, improve the efficiency and reduce the power consumption.

The utility model discloses a high-density power unit which comprises a structural assembly, and a PIM integrated module, a large-capacity capacitor pool device, a heat dissipation device, an input / output copper bar and a driving plate which are arranged in the structural assembly, the heat dissipation device is arranged around the PIM integrated module; and the PIM integrated module is connected with the high-capacity capacitor pool device through a cable. The device comprises a structure assembly, and a PIM integrated module, a high-capacity capacitor pool device, a heat dissipation device and an input and output copper bar which are arranged in the structure assembly. The heat dissipation device is arranged around the PIM integrated module for heat dissipation, the heat dissipation efficiency is improved, the drive board and the adapter plate on the power device are separately arranged, the wiring complexity is reduced, the power density of the power unit is improved, the PIM integrated module is arranged to be connected with the high-capacity capacitor pool through the input and output copper bars, and the convenience of capacitor installation is improved.

This invention provides a food processing machine, including a main unit and a mixing cup detachably mounted on the main unit. The mixing cup contains a pulverizing blade. The main unit has a motor assembly for driving the pulverizing blade to rotate. The main unit includes a main unit housing, which forms a mounting cavity for mounting the motor assembly. The main unit housing has an opening communicating with the mounting cavity. At least a portion of the motor assembly forms the outer surface of the main unit together with the main unit housing through the opening, thereby reducing the size of the main unit, especially its height, making assembly simple and easy to handle.

This invention relates to the field of engine turbocharger technology and provides a turbine end sealing structure, including an intermediate shell on which a turbine shaft and a turbine housing are mounted; a turbine is mounted on the turbine shaft; a nozzle ring is mounted on the turbine housing; a turbine housing insert is installed inside the turbine housing; and a sealing plate is mounted on the nozzle ring, which mates with the turbine housing insert. The sealing plate is embedded in the nozzle ring to reduce the installation gap between the nozzle ring and the turbine housing, and to reduce the gap between the nozzle ring and the turbine housing insert, thereby ensuring that engine exhaust gas does not easily leak from the turbine end of the turbocharger.

The invention discloses a connecting component for a sealing strip of a roof sunroof and a roof having the same. The connecting component is arranged between a guide rail and a sealing strip, and the guide rail and the sealing strip are arranged on one side of a moving glass. The connecting component comprises: a profiling body, and the profiling body supports the sealing strip on the guide rail; a connecting component is arranged on the upper and lower sides of the profiling body along the length direction thereof, and a bearing surface adapted to the curvature of the moving glass is formed on the upper connecting component. The upper connecting component cooperates with the sealing strip, and the sealing strip cooperates stably with the profiling body, and the bearing surface supports the sealing strip, so that the sealing strip matches the curvature of the moving sunroof. The lower connecting component cooperates with the guide rail and tightens the profiling body toward the guide rail, so that the profiling body matches the curvature of the guide rail. The matching end surface of the connecting component is adapted to the curvature of the guide rail, and effectively increases the matching tightness of the sealing strip, the guide rail and the frame.

This utility model discloses a locking linkage mechanism for a civil defense door in the field of security inspection technology. It includes a left civil defense door panel, a right civil defense door panel, and a housing. A fixed frame is installed on the upper wall of the left civil defense door panel, and the housing is rotatably mounted on the inner side of the fixed frame. A base is installed on the lower wall of the left civil defense door panel, and the right civil defense door panel is slidably mounted on the upper wall of the base. The housing can be mounted above the right civil defense door panel. A sliding groove is provided on the upper wall of the base. A right slider is installed on the lower wall of the right civil defense door panel, and the slider is slidably mounted in the sliding groove. A mounting slot is provided on the upper wall of the right civil defense door panel, and the housing can be inserted into the mounting slot. A locking mechanism is installed on the upper wall of the base, located outside the sliding groove. A clearance groove is provided on the side wall of the right civil defense door panel. In this device, the right civil defense door panel can move towards the left civil defense door panel, thereby shortening the width of the device and preventing it from obstructing equipment during transport into the mine, thus avoiding affecting the transport of equipment.

The invention discloses electronic equipment, and belongs to the technical field of electronic equipment. The electronic equipment comprises a first shell, a second shell, a circuit board and an electric connection part. At least part of the first shell is an antenna of the electronic equipment; the first shell is arranged outside the second shell in a sleeving manner; the circuit board is arranged in the second shell; the electric connection component is arranged on the second shell, at least part of the electric connection component is arranged along the inner wall of the second shell, the first end of the electric connection component is electrically connected with the circuit board, the second end of the electric connection component extends to the outer side of the second shell and is electrically connected with the first shell, and the electric connection component can seal the second shell.

The utility model discloses an anti-skid solid tire, which relates to the technical field of tires and comprises a solid tire body, the solid tire body is connected with an anti-skid mechanism, and a plurality of limiting components are arranged on one side of the solid tire body; the anti-skid mechanism comprises an anti-skid ring, the anti-skid ring is arranged on the surface of the solid tire body in a sleeving mode, anti-skid lines are arranged on the surface of the anti-skid ring, a plurality of connecting pieces are fixedly connected to one side of the anti-skid ring, and tooth grooves are formed in the surfaces of the connecting pieces; the anti-skid mechanism has the advantages that the anti-skid ring of the anti-skid mechanism is arranged on the surface of the solid tire body in a sleeving mode, the contact area between the anti-skid ring and the solid tire body can be guaranteed, firmness and stability are improved, the limiting assembly is arranged on the side face of the solid tire body, installation gaps are reduced, and when the solid tire body makes contact with the ground, the anti-skid mechanism is not prone to falling off. Pressure can be prevented from being directly transmitted to the limiting assembly, the limiting assembly is not prone to deformation and damage, and the anti-skid ring can be prevented from loosening.