11results about How to "Guaranteed tightening effect" patented technology

The invention belongs to the technical field of motor assembling equipment, and particularly relates to top cover wire assembling equipment which comprises a rack. The material moving device is mounted on the rack and is provided with a plurality of stations; the positioning device is mounted on the material moving device; the wire frame device is mounted on the material moving device; the jacking device is mounted on the rack or the material moving device; the locking device is mounted on the rack; the discharging device is installed on the rack and located beside the material moving device. A top cover and an electric wire are positioned through the positioning device and the wire frame device, the positioned top cover and the positioned electric wire are transferred to the locking device through the material transferring device, the electric wire is straightened through the jacking device, a nut is tightened to the top cover through the locking device, and installation of the electric wire is completed. The blanking of the product is realized through the blanking device; a mechanical production mode is adopted to replace traditional manual nut tightening operation, the production efficiency is improved, manpower and time are saved, the nut tightening quality is ensured, and the product percent of pass is increased.

The invention discloses an impact test auxiliary device and an impact test method. A plurality of sample laminations are supported in a through groove of at least one supporting piece in the impact test auxiliary device. A plurality of laminated samples are laminated in the thickness direction of the laminated samples and are supported on one side wall of the through groove, the side wall is opposite to the pressing part of the positioning piece, the pressing part of the positioning piece is in threaded fit with the supporting piece, the pressing part can rotate relative to the supporting piece in a threaded mode to extend into the through groove, and when the pressing part rotates relative to the supporting piece, the pressing part can rotate relative to the supporting piece. The clamping part stretches into the through groove to make contact with and press the sample, the sample is pressed on the side wall of the through groove, the clamping part is matched with the torque measuring part, the torque applied to the sample by the pressing part can be measured, the relative movement of the sample possibly caused by temperature change is reduced, accurate impact energy is obtained to accurately feed back impact performance indexes, and the obtained impact performance indexes are more ideal. The technical problem that the impact performance index obtained in the impact test is not ideal enough is solved to a certain extent.

The utility model relates to the technical field of fire extinguisher production equipment, in particular to fire extinguisher valve assembly equipment which comprises a bearing frame, a conveying mechanism and a screwing mechanism. According to the fire extinguisher bottle body conveying device, the conveying mechanism is fixed to the bottom of the connecting shell, the first motor is started to enable the conveying belt to rotate, and therefore the fire extinguisher bottle body can be conveyed conveniently, the conveyed fire extinguisher bottle body can be limited conveniently through the two limiting assemblies, and the conveyed fire extinguisher bottle body is stable; then a clamping plate and a rubber pad are moved by starting a second motor, so that the fire extinguisher bottle body is conveniently clamped and fixed, the fire extinguisher bottle bodies of different sizes can be clamped and fixed, the inner side wall of a first connecting notch is in extrusion contact with the end of a valve by starting a second air cylinder and a fourth motor, and then the inner side wall of a second connecting notch is in extrusion contact with the end of the valve by starting a third motor; and the two connecting plates are rotated, and the two rotating connecting plates are used for conveniently screwing the valve.

The utility model belongs to the technical field of tension testing equipment, and particularly relates to a hydraulic tightening device of a tension testing machine, which comprises a tension testing machine main body and a tension sensor arranged on the surface of the tension testing machine main body, and further comprises two groups of tightening components symmetrically arranged below the tension sensor, the tightening assembly comprises a second rectangular frame arranged below the tension sensor and two L-shaped supports symmetrically and fixedly connected to the surface of the second rectangular frame, the L-shaped supports are fixedly connected with the tension sensor, and the surface of the second rectangular frame is sleeved with a first rectangular frame; the first rectangular frame is fixedly connected with the second rectangular frame; the clamping device can clamp and loosen one end of the to-be-tested material through the operation of the L-shaped bracket, so that a tension test is facilitated, the clamping effect of the to-be-tested material is ensured, and the clamping firmness of the to-be-tested material is improved.

The utility model provides VR glasses for virtual reality social contact, and relates to the technical field of VR glasses, the VR glasses comprise a connecting seat, one end of the connecting seat is fixedly provided with a protective cotton pad, one end of the connecting seat is fixedly connected with a tensioning belt, one end of the tensioning belt is fixedly provided with an adjusting roll shaft, and the other end of the adjusting roll shaft is fixedly provided with an adjusting screw. And a pressure detection sheet is fixedly mounted in the tensioning belt. Compared with the prior art, the VR glasses have the advantages that the adjustable tensioning belt is additionally arranged at the top end of the VR glasses, the pressure detection structure is arranged in the tensioning belt, the VR glasses are tensioned through the tensioning belt when the VR glasses are worn, the wearing stability of the VR glasses is improved, meanwhile, the working tightness of the tensioning belt is detected through the pressure detection structure, and the wearing safety of the VR glasses is improved. According to the detected pressure value, the adjusting structure is controlled to adjust the working length of the tensioning belt, so that the working stability of the tensioning belt is ensured, the tensioning effect of the tensioning belt on the VR glasses is ensured, and the use comfort and convenience of the VR glasses are improved.

The utility model relates to the technical field of thermocouples, and discloses an armored K-type thermocouple, which comprises a protective shell, and a K-type thermocouple core is arranged in a cavity of the protective shell; a junction box; the installation assembly comprises a first base plate, a second base plate and a positioning protrusion, the first base plate is arranged at the bottom of the junction box, the second base plate is arranged at the bottom of the first base plate, the junction box is locked with the protection shell through a fastener and tightly presses the first base plate and the second base plate, and the positioning protrusion is fixedly arranged at the bottom of the first base plate. The positioning protrusion is clamped with the second base plate and adjusts the orientation of the junction box mounting pipe, the first base plate and the second base plate can be formed by ceramic firing, the junction box and the protective shell are separated through the first base plate and the second base plate, heat conducted to the junction box by the protective shell can be reduced, and the influence of high temperature of a detection environment on electronic components in the junction box is reduced. Damage of high temperature to wiring assemblies in the junction box is inhibited, and firmness and stability of wiring are guaranteed.

The application discloses a waistband structure, and belongs to the technical field of waistbands, which comprises a main band body and a sub-band body, the two ends of the main band body and the sub-band body are respectively and respectively detachably connected, the sub-band body is arranged near the middle position of the main band body and is used for gathering the main band body, and at least one adjusting part is formed by folding the main band body relative to the sub-band body, and a connecting piece for fixing the adjusting part is arranged on the outer wall of the main band body. The adjusting part is folded to make the main band body capable of being flexibly adjusted according to the body shape of a user, effectively avoiding that the top of the main band body presses or clamps the lower edge of the chest of the user, or that the bottom of the main band body rubs against the hip bone or the hip of the user to cause discomfort, and improving the size adaptability and ergonomics compatibility. The adjusting part can be fixedly installed on the outer wall of the main band body through the connecting piece, thereby preventing the adjusting part from being randomly rolled up and raised to cause discomfort to the user, and improving the wearing comfort of the user.

The application provides a nut and bolt automatic tightening device, which comprises corresponding bolt clamping structure and nut clamping structure; the bolt clamping structure and the nut clamping structure are in sliding fit; the nut clamping structure comprises a clamping jaw locking mechanism, a nut sleeve mechanism and a base; the nut sleeve mechanism comprises a sleeve base, a rotating cylinder and a motor; the motor is in transmission connection with the rotating cylinder arranged on the sleeve base; the sleeve base and the base are respectively arranged on the sliding rails fixed on the clamping jaw locking mechanism, a first electric cylinder is arranged between the sleeve base and the clamping jaw locking mechanism, and a second electric cylinder is arranged between the base and the clamping jaw locking mechanism; the clamping jaw locking mechanism comprises a limiting jaw facing the opening part of the rotating cylinder; the limiting jaw is provided with a through hole for the bolt after being closed; the bolt and the nut are in the opposite relationship and are stably connected.

The utility model relates to the technical field of fastening tools, in particular to a rapid fastening tool for a photovoltaic flexible support assembly mounting bolt, which is used for fastening an assembly mounting bolt and a nut thereof at a high position and comprises a torque transmission rod, a fastening device and a fastening device. The nut sleeve is arranged at one end of the torque transmission rod, and a screwing groove matched with a nut in shape is formed in the nut sleeve; a support bar; the bolt sleeve is arranged at one end of the supporting rod, and a positioning groove matched with a bolt head of an assembly mounting bolt in shape is formed in the bolt sleeve. Through the arrangement of the torque transmission rod and the nut sleeve, a worker can hold the torque transmission rod by hand to enable the nut sleeve to be in butt joint with a nut at a high position, driving force is applied to the torque transmission rod, then torque is generated, the nut sleeve is driven to screw the nut, and meanwhile the supporting rod and the bolt sleeve are arranged. When the bolt sleeve is arranged on the surface of the bolt head in a sleeving mode, axial rotation of the assembly installation bolt can be limited, and the tightening effect is guaranteed.

This utility model provides an easy-tightening outer jacket, including an outer jacket body with a hood at the top. A tightening channel is provided along the edge of the hood, and two openings are respectively formed at both ends of the hood near the tightening channel. A tightening strap is placed in the tightening channel, passing through the openings. A positioning component is positioned at the point where the tightening strap exits the openings. Through the above structure, with the tightening strap and positioning component, and the cooperation of the upper and lower buckles and spring of the positioning component, after the tightening strap passes through the lower and upper buckle holes of the upper and lower buckles, the spring force pushes the upper buckle away from the lower buckle, causing the lower and upper buckle holes to be misaligned. This creates a continuous bending structure for the tightening strap, thereby clamping the positioning component in the corresponding position of the tightening strap. This increases the clamping force of the positioning component, prevents it from loosening and easily sliding on the tightening strap, and ensures the tightening effect.

The utility model belongs to the technical field of filter bags, and particularly relates to a filter bag capable of locking a bag opening, which comprises a filter bag main body, a PVC (polyvinyl chloride) bridle is in hot-melt compression joint with the outer wall of a port of the filter bag main body, a plurality of strip-shaped holes are formed in the surface of the end of the PVC bridle at equal intervals, a sleeve is in hot-melt compression joint with the outer wall of the PVC bridle, a support is integrally formed on the outer wall of the sleeve, and a plurality of strip-shaped holes are formed in the outer wall of the support. A connecting plate is installed on the inner side of the support, the end of the connecting plate abuts against the inner wall of the support, a connecting plug is arranged on the surface, close to the binding sleeve, of the connecting plate and extends to the inner side of the binding sleeve, and first inclined faces are symmetrically arranged at the end, away from the connecting plate, of the connecting plug. After the PVC bridle tightens the port of the filter bag main body, the connecting plugs are connected with the corresponding strip-shaped holes in an inserted manner, and meanwhile, the screws are rotated to enable the ends of the screws to be in threaded connection with the screw holes so as to position the connecting plates, so that the connecting plugs are prevented from being separated from the strip-shaped holes, and the tightening effect on the filter bag main body is ensured.