33results about How to "Avoid rigid friction" patented technology

The invention discloses a corn flour production and processing mechanism based on multidirectional feeding. The corn flour production and processing mechanism comprises a corn grain crushing device, apowder mixing device and a powder transfer device according to the technological process from front to back. The corn grain crushing device comprises a crushing unit, a drying unit and a material return device according to the technological process in sequence. The powder mixing device comprises a material mixing tank and a material mixing upper cover covering the material mixing tank, and a cavity of the material mixing tank is internally provided with a first material mixing and screening plate, a first mixing chamber, a second material mixing and screening plate and a crushing/mixing integrated chamber from top to bottom in sequence. The powder transfer device comprises a transfer conveyor belt, a turnover discharging device, a transfer baffle, a conveyer bucket, a transfer elastic device and a transfer lifting base station from front to back in sequence. The corn flour production and processing mechanism has the advantages of quality guarantee of produced corn flour, good mixing effect of corn flour and flour, high continuity of operation, precise single feeding quantity and high working efficiency, and is not liable to caking or blockage.

The invention discloses a corn flour dry-mixing mechanism, which comprises a corn kernel grinding device and a powder mixing device sequentially from front to back according to a technical process. The corn kernel grinding device comprises a grinding unit, a drying unit and a return unit sequentially according to a technical process. The grinding unit comprises a grinding tank, a rotating shaft, adecontaminating mechanism, an upper grinding mechanism and a lower grinding mechanism, and the decontaminating mechanism, the upper grinding mechanism and the lower grinding mechanism are arranged inthe grinding tank. The top of the grinding tank is provided with a feeding port and an upper insertion port allowing vertical insertion of the rotating shaft, and the bottom of the grinding tank is provided with a discharging port. The powder mixing device comprises a mixing tank and an upper mixing cover which covers the mixing tank, and a cavity of the mixing tank is provided with a first mixing screen plate, a first mixing chamber, a second mixing screen plate and a grinding/mixing integrated chamber sequentially from top to bottom. The corn flour dry-mixing mechanism has advantages of guarantee of produced corn flour quality, effectiveness in mixing of corn flour and wheat flour and less proneness to caking and blockage.

The invention discloses a self-ligating bracket. The self-ligating bracket comprises a main body portion, a cover portion matching the main body portion, and an elastic member. The self-ligating bracket is characterized in that the main body portion is provided with a cover receiving portion intersecting with a main groove and a first groove, and the first groove is provided with openings correspondingly located at the bottom of the cover receiving portion and the outer side surface of the main body portion; the elastic member comprises a location clamping portion, and the elastic member is connected with the first groove; the cover portion is provided with a second groove matching the location clamping portion of the elastic member, the bottom of the second groove is provided with a blocking portion, and the cover portion is mounted on the cover receiving portion. The self-ligating bracket has is simple in installation and simple to use and saves installation process, and is more stable in structure during use, and a cover plate does not fall off.

The invention provides a bearing ball missing detecting device, comprising a device body. The device body is connected with an external PLC industrial computer and is controlled by the PLC industrialcomputer. The device body comprises a base, a lifting mechanism, a guiding mechanism, a detecting mechanism and a carrying mechanism. The lifting mechanism is located at a top rear end of the base. The guiding mechanism is located in front of the lifting mechanism. The guiding mechanism is connected with the lifting mechanism. The detecting mechanism is connected with the lifting mechanism. The detecting mechanism is located in front of the guiding mechanism. The carrying mechanism is located at the top front end of the base. The bearing ball missing detecting device of the invention detects whether balls have been installed in corresponding positions of a bearing to be detected by using a plurality of detecting probes at the bottom of a detecting head, thereby determining whether a ball is missing in the bearing to be detected. The operation is simple, the use is convenient, the detection accuracy is improved, and the product quality of the bearing is ensured.

The invention relates to a gas stove (1), which comprises a panel (2) and a burner (3) and a pot support (4) which are arranged on the panel, and is characterized in that a groove (5) which extends parallel to the traverse direction of the panel is arranged on the panel, the cross section of the groove is of a circular arc shape, a structure for holding the burner is arranged at the bottom of the groove, and the pot support strides over the edges of the groove. In the gas stove in the technical scheme, the area needing contact for a long term between the pot support and the gas stove panel is reduced so as to avoid forming obstinate stains generated due to long-term hiding as much as possible. Meanwhile, because the pot support is erected over the groove, the outer flame can be effectively utilized when the gas stove is used, thereby improving the combustion efficiency of the whole gas stove.

The invention belongs to the technical field of construction engineering, and particularly discloses a landfill type bridge expansion device and a construction method, the landfill type bridge expansion device comprises a stress framework, the stress framework comprises a tension and compression resistant steel plate group matched with an expansion joint, and further comprises a transverse steel bar group matched with the tension and compression resistant steel plate group; one end of the tensile and compression steel plate group is connected with the bridge, and the other end is connected with the back wall; the stress framework is filled with polymer concrete, and the polymer concrete is aligned with the pavement; the expansion joint is provided with a composite board set matched with the stress framework. Connection of the bridge expansion joint is achieved by arranging the stress framework, the device can be prevented from making direct contact with a vehicle through the landfill type design, the effect of driving comfort can be effectively achieved, the device can be prevented from making contact with external air, moisture and the like, and the service life of the device is prolonged.

The invention discloses a detachable combined type valve structure. The detachable combined type valve structure comprises a connecting cylinder, a filter screen placed in the connecting cylinder, a pressing sleeve which is inserted into the connecting cylinder and abuts against the filter screen, a first valve body half shell and a second valve body half shell which are combined together, a valve element body limited between the first valve body half shell and the second valve body half shell, and an adjusting locking mechanism, wherein a valve body flange plate of the first valve body half shell is provided with a connecting pipeline communicating with the valve cavity, the adjusting and locking mechanism comprises a floating sliding sleeve arranged on the connecting pipeline in a sleeving mode, and a plurality of elastic reset pieces are connected between the floating sliding sleeve and the valve body flange plate; a floating sliding sleeve drive mechanism arranged on the valve body flange plate is used for driving the floating sliding sleeve to be away from the valve body flange plate so that the end part of the floating sliding sleeve can be inserted into a counter bore of the pressing sleeve, a sealing gasket is arranged between the pressing sleeve and the floating sliding sleeve, and a sealing piece is arranged between the floating sliding sleeve and the connecting pipeline. In a using process, parts are convenient to disassemble and replace, and the valve body and the sealing performance cannot be damaged.

The invention discloses a sleeving type underground conveying device for tailing paste filling. The sleeving type underground conveying device comprises a drilling sleeve fixedly sleeved with a drilled hole and a slurry filling pipe sleeved with the drilling sleeve. The top of the slurry filling pipe is lifted by a lifting mechanism. An underground chamber is constructed at the lower portion of the drilled hole and internally provided with a slurry buffering cavity. The slurry buffering cavity communicates with the bottom of the slurry filling pipe through a flange. One side of the slurry buffering cavity is connected with a downhole filling pipe through a flange. By means of the sleeving type underground conveying device for tailing paste filling, due to the sleeving structural form of the drilling sleeve and the slurry filling pipe, the slurry filling pipe does not make direct contact with the drilled hole, when the slurry filling pipe is abraded to leak, the slurry filling pipe canbe replaced without damaging the drilled hole, the permanent use of the drilled hole is ensured, and filling cost is effectively saved.

The invention discloses an unloading structure of a belt conveyor. The unloading structure comprises a rack, a conveying belt, an unloading belt and a mounting bracket; the conveying belt is arrangedon the rack; the mounting bracket comprises a mounting part and a connecting rod group; the unloading belt is movably arranged on the periphery of the mounting part in a sleeving manner, the lower endof the unloading belt is matched with the upper surface of the conveying belt, the mounting part is connected with one end of the connecting rod group, and the other end of the connecting rod group is arranged on the rack; and the unloading plane of the unloading belt is inclined to the conveying plane of the conveying belt, and the unloading direction of the unloading belt is inclined to the conveying direction of the conveying belt. The unloading plane and the unloading direction of the unloading belt are respectively inclined to the conveying plane and the conveying direction of the conveying belt, so that stress decomposition of the unloading belt is achieved to generate the line speed, the impact force of materials is decomposed, so that flying dust and spillage are reduced, the rigid friction between the unloading belt and the conveying belt is avoided, the abrasion is reduced, and the service life is prolonged; and the moving speed of the materials in the unloading direction isensured, and the unloading efficiency is improved.

The invention discloses a research and development platform with a lifting protection mechanism for an electronic communication information technology, and relates to the technical field of electroniccommunication information equipment, in particular to a research and development platform with a lifting protection mechanism for an electronic communication information technology. The research anddevelopment platform comprises a composite base and a supporting platform, a lifting frame is arranged above the composite base, an adjusting table board is arranged above the lifting frame, the supporting platform comprises a positioning supporting base, fixing rivets, balls, universal blocks and an operation base surface, and the fixing rivets are arranged at the left end and the right end of the positioning supporting base. According to the research and development platform with a lifting protection mechanism for the electronic communication information technology, the use performance of the whole device is greatly improved while the structure is increased, the improved equipment can ascend and descend, locking protection operation can be carried out after ascending or descending, sudden descending of the research and development platform is avoided, meanwhile, the levelness of the operation base surface can be adjusted, and the use requirements of people are effectively met.

The invention discloses a laser cutting machine based on a linear motor. The machine comprises a lower-layer base, a support base and a rolling guide rail; a composite rubber pad is arranged above thelower-layer base; the support base is arranged above the back end of the upper-layer base; a connecting base is arranged above the support base; a thread rod is arranged on the right side of a guidecolumn; a fixed ring is arranged at the front end of a limiting block; a dowel pin is arranged at the front end of the fixed ring; an ejector plate is arranged above a thread rod; a rocking handle isarranged above a fixed bearing; and a guide plate is arranged at the front end of the support base. Compared with a traditional general laser cutting machine, the laser cutting machine based on the linear motor greatly improves the use demands during adding of structures; and the improved equipment reasonably applies the horizontal moving capacity of the linear motor, and is simpler and more convenient for adjustment of laser equipment to effectively meet the people use demands.

The invention discloses a dust removal device with a mobile phone part listening tube, and relates to the technical field of mobile phone maintenance equipment, in particular to a dust removal device with the mobile phone part listening tube, the device comprises a supporting mechanism and an operation platform, a supporting shell is fixedly connected above the supporting mechanism, and the front end of the supporting shell is movably connected with a movable door; a hinge is fixedly connected to the left end of the movable door, a clamping mechanism is fixedly connected to the upper portion of the operation platform, the operation platform is located above the supporting shell, a supporting adjusting mechanism is arranged on the left side of the clamping mechanism in parallel, and a dust removing mechanism is fixedly connected to the right end of the upper portion of the supporting adjusting mechanism; according to the dust removal device with mobile phone part listening tube, the number of the clamping blocks is two, one clamping block provides a spring damping rod to achieve the elastic clamping effect on a mobile phone, and the other clamping block exerts horizontal thrust on the mobile phone through cooperation between a threaded rod and a control handle and is matched with the spring damping rod to fix the mobile phone.

The invention relates to the technical field of drilling devices, in particular to a dual-station drilling device for gantry machining. The dual-station drilling device comprises a supporting mechanism and gantry frames. An installing base is arranged in the middle of the supporting mechanism. The gantry frames are arranged on the upper sides of the left end and the right end of the supporting mechanism correspondingly. Each gantry frame comprises a supporting column, a connecting screw, a horizontal beam and a distance sensor, wherein the connecting screw is arranged in the lower end of the supporting column, the horizontal beam is arranged on the upper side of the supporting column, and a horizontal guide mechanism is arranged in the upper end of the gantry frame. According to the dual-station drilling device for gantry machining, the use performance of the whole device is greatly improved when the structure is added; and the dual-gantry structure is adopted for the improved device,so the device is equipped with a plurality of machining platforms, the work efficiency of the device in the drilling machining process is indirectly improved, and use requirements of people are effectively met.

The invention discloses a polishing device provided with a fixing structure and used for wrench machining and relates to the technical field of wrench machining equipment, in particular to a polishingdevice provided with the fixing structure and used for wrench machining. The polishing device comprises a supporting mechanism and a polishing mechanism. An outer frame is arranged above the supporting mechanism. The polishing mechanism is arranged above a positioning installation mechanism. The polishing mechanism comprises supporting bending rods, positioning screws, control arms, a steel brushsleeve, positioning sleeves and guide pillars. The supporting bending rods are arranged on the right sides of the positioning sleeves. The control arms are arranged at the rear ends of the positioning screws. By means of the polishing device provided with the fixing structure and used for wrench machining, the structure is increased, meanwhile, the use performance of the whole device is greatly improved, when the improved equipment is used, a wrench clamping manner is simpler and more convenient, in addition, adjusting operation can be conducted on the polishing height through the device according to different specifications of wrenches, the equipment application face is indirectly enlarged, and the use requirements of people are effectively met.