45results about How to "Avoid hard contact" patented technology

The utility model discloses an anti-deformation bearing thin-wall part machining supporting and fixing structure which comprises a base and a supporting assembly, a machining table is connected to the top of the base, clamping blocks are arranged on the two sides of the top of the machining table, and the supporting assembly is arranged in the machining table and comprises a bevel gear ring and a plurality of bevel gears meshed with the bevel gear ring. A lead screw is arranged in the machining table through a plurality of rotating frames, the surface of the lead screw is in transmission connection with a supporting plate through a lead screw nut, the supporting and fixing structure is provided with a supporting assembly, a driving motor drives a bevel gear ring to rotate, a plurality of bevel gears rotate synchronously, then the lead screw is driven to rotate, and the supporting plate ascends to support the interior of the thin-wall part; by means of the internal supporting mode, pressure and friction force borne by the inner wall of the thin-wall part during polishing can be effectively dispersed, deformation caused by lack of supporting is avoided, the size precision, the shape precision and the surface quality of the bearing thin-wall part are guaranteed, the product percent of pass is increased, and waste products are reduced.

The utility model discloses a photovoltaic system and a buckle cover type waterproof structure thereof, which belong to the field of photovoltaic technology and comprise a waterproof buckle cover arranged at a gap between two adjacent photovoltaic assembly frames. The waterproof buckle cover comprises a water retaining part which shields right above the gap, a buckle part which extends downwards from the water retaining part and is inserted into the gap, and a sealing part which extends from the water retaining part to two opposite sides of the gap and covers the A surface of the photovoltaic module frame, and the buckle part is buckled and fixed with the B surface of the photovoltaic module frame. And a sealing rubber strip is arranged between the sealing part and the A surface of the photovoltaic module frame. According to the waterproof cover plate, a small gap between the sealing part and the A surface is secondarily blocked through the sealing rubber strip, the waterproof reliability is improved, and therefore compared with a conventional waterproof cover plate, the waterproof cover plate can greatly improve the waterproof effect.

The utility model discloses a kind of damping device of unmanned plane rotating shaft, it is related to unmanned plane technical field, including: unmanned plane body and damping protection piece, unmanned plane body has rotor support, the end of rotor support is equipped with rotor drive structure, the end of rotor support is located below rotor drive structure and is equipped with through mounting hole;Damping protection piece is connected in the outside of rotor drive structure by mounting rod through mounting hole, the connecting place of mounting rod and mounting hole has elastic damping part, the outside of mounting rod is formed with damping and protection structure.The utility model sets up mounting hole by being arranged at the end of rotor support, connects damping protection piece in the outside of rotor drive structure, and sets up elastic damping part at the connecting place of mounting rod and mounting hole, can effectively buffer the vibration and impact of rotor rotating shaft, improve the flight stability and reliability of unmanned plane under complex environment.

The utility model discloses a kind of non-full nutrition powder jar sealing machine, belong to sealing machine technical field, its technical key points include, including frame body, conveying belt is equipped between the two sides inner wall of frame body, conveying belt is conveyed with jar body above, plastic composite cover is placed with jar body above, the top of frame body is fixed with mounting bracket by bolt, the two sides inner wall between mounting bracket is fixed with baffle by bolt, the top of baffle is fixed with air cylinder by bolt, the movable end of air cylinder is fixed with connecting disc by bolt, the bottom of connecting disc is slidably connected with the installation disc passing through connecting disc, the utility model is used in cooperation with the secondary compression assembly by air cylinder, clamping assembly, plastic composite cover can be slowly applied pressure, avoid one-time pressure too large and cause damage to plastic composite cover, and plastic composite cover and jar body can be increased with the adhesion of jar body, improve the sealing property after jar body sealing.

The utility model belongs to the field of mobile phone production especially a kind of automatic film pasting device for mobile phone production, to the problem that the existing ordinary negative pressure type dust is easily sucked, some tiny dust is left on mobile phone, the following scheme is presented, including film pasting machine and conveying machine for conveying and collecting, the conveying belt of conveying machine is fixed with multiple mobile phone frames for fixing mobile phone, the side of film pasting machine is fixed with the feeding frame of intercommunication, dust cleaning mechanism and dust sticking mechanism for cleaning mobile phone are arranged in feeding frame;The dust sticking mechanism includes sliding frame sliding between the both sides of feeding frame and electric push rod, sliding frame both ends are through feeding frame, in the utility model, after using adhesive tape to press to mobile phone surface, then the tiny dust, fiber or particle left on mobile phone surface is stuck, avoid bubble after film pasting, improve the cleanliness of mobile phone, while being able to avoid the rigid contact of pressing plate and mobile phone, and being able to improve the sticking effect of adhesive tape and mobile phone, improve dust sticking effect.

This utility model discloses a leveling mechanism for the housing of a new energy reducer, relating to the field of testing equipment. The mechanism includes a base plate with a clearance groove in the middle. A top support frame is fixed to the top surface of the base plate, and three lifting devices are mounted on the top support frame. Each lifting device has a contouring component at its moving end. This mechanism can determine whether the top surface of the housing is level with the horizontal detection block by measuring changes in air pressure, thus effectively detecting the levelness of the housing's top surface. Furthermore, by combining this with a corresponding clamp to drive the top surface of the housing to tightly press against the bottom surface of the horizontal detection block, the clamping pressure is reasonably controlled, avoiding situations where the clamping is too loose, resulting in insufficient contact, or too tight, causing damage to the housing. This improves the stability and accuracy of the testing.

The utility model relates to the technical field of powder forming equipment, and discloses a powder forming machine with an improved feeding structure. The upper die assembly comprises a first longitudinal moving device, an upper die head and an upper die plate. The lower die assembly comprises a second longitudinal moving device and a lower die base. The core rod device comprises a mounting seat, a core rod assembly and a third longitudinal moving device; the powder feeding device comprises a shell, a first motor, a speed reducer, a swing rod, a support, a box body and an air cylinder. An output shaft of the speed reducer extends out of the shell, the end of the swing rod is arranged on the output shaft of the speed reducer in a sleeving mode, and the end of the swing rod can be movably adjusted relative to the output shaft of the speed reducer. An open type notch is formed in the connecting position of the support and the swing rod, and the telescopic end of the air cylinder is hung on the support. The utility model has the advantages of flexible adjustment capability, higher operation precision and more stable movement.

The utility model provides a square cell sealing nail welding with anchor clamps, including bottom plate, and set up in the bottom plate's benchmark fixed plate, floating fixed plate, intermediate fixed plate, long side fixed plate and cushion block, wherein: benchmark fixed plate with floating fixed plate opposite setting, intermediate fixed plate with long side fixed plate opposite setting, floating fixed plate at least partial can be close to or far from benchmark fixed plate, long side fixed plate at least partial can be close to or far from intermediate fixed plate, cushion block is used for supporting the battery, and the cushion block is between intermediate fixed plate and long side fixed plate, first guide shaft is configured on the cushion block, first guide shaft with bottom plate sliding connection is established, and first buffer spring is configured between the cushion block and bottom plate. The utility model discloses cushion block floating assembly, can avoid welding plate and battery hard contact, and can eliminate the longitudinal assembly error of battery simultaneously.

The application discloses a diagnosis and treatment equipment for a digestive department, and relates to the field of diagnosis and treatment equipment, which comprises an ultrasonic host, a plurality of connecting lines are connected to the ultrasonic host, and an ultrasonic probe is connected to each of the plurality of connecting lines; further comprising a protection device, the protection device is installed on the plurality of ultrasonic probes, and the protection device is used for protecting the plurality of ultrasonic probes. After the ultrasonic probe is used, two turnover protective covers are used for closing and protecting the ultrasonic probe, then the ultrasonic probe is inserted into a spraying box, two opening and closing sliding plates are automatically opened, and telescopic spray heads are used for spraying and cleaning the ultrasonic probe, the surface and the gap of the probe are cleaned in a targeted manner, the omission of manual cleaning is avoided, the process of inserting the probe into the spraying box immediately after use is realized, the pollution time of the probe exposed to the air is reduced, and the risk of cross infection is greatly reduced.

The application discloses a rotor channel rotary positive displacement type liquid pressure energy recovery device, which comprises a sleeve with a cylindrical hollow cavity, a central shaft, a rotor, a flow guide end cover and a sealing end cover arranged in the sleeve, locking pieces are arranged at the length ends of the central shaft, the locking pieces limit the spacing between the two sealing end covers, so that a gap d is formed between the flow guide end cover and the rotor, and rotor channels are arranged on the rotor and take the specific spiral as a reference. Through the structural optimization, the application overcomes the high-precision machining limitation of the existing rotary energy recovery device, reduces the liquid leakage between the end face and the rotor, optimizes the rotor channel structure, improves the stability of the fluid flow in the rotor channel, reduces the rotor vibration, the fastener is a fastening nut, the adjustment of the gap between the rotor and the flow guide end cover can be realized, and the adaptability of different flow / pressure and higher energy recovery efficiency is improved.

This utility model provides a centering device for a billet rolling mill, belonging to the technical field of steel rolling equipment structure. The centering device includes a support frame, a conveyor roller mechanism mounted on the support frame, and a transverse pusher mechanism movably mounted on the support frame. The transverse pusher mechanism includes a pair of pushers spaced apart on opposite sides of the conveyor roller mechanism, multiple swing linkages hinged at one end to the support frame, and a driving component mounted on the support frame for moving the pair of pushers closer together or further apart. By hinged at one end of the multiple swing linkages to the support frame, the driving component can move the pair of pushers closer together or further apart under the swing of the linkages. This achieves centering adjustment of the rolled piece and clamping or releasing it. The swing of the linkages effectively avoids hard contact with the rolled piece, reducing damage to the rolled piece surface.

The utility model relates to the technical field of coal mine environmental protection monitoring, and specifically relates to a water quality detection vehicle for coal mine environmental protection monitoring, which comprises a carriage, an operation table is installed in the carriage, a continuous flow analyzer and a lofting frame are placed on the operation table, a sample storage mechanism is slidably installed in the lofting frame, the sample storage mechanism comprises a pull rod and a bottom plate, a plurality of bottom plates are equidistantly and slidably installed in the lofting frame, a ball bearing is rotatably installed in the lofting frame, the ball bearing and the bottom plate are rollingly connected, two groups of supporting rods are fixedly connected to the bottom plate, a clamping plate is fixed to the supporting rods, the pull rod is fixed to one end of the bottom plate and the clamping plate, a sliding block is fixedly connected to the end of the clamping plate away from the pull rod, a plurality of jack plugs are equidistantly arranged on the clamping plate, and a gasket is bonded to the part of the clamping plate close to the jack plug; the lofting frame limits the transverse position of the bottom plate and the clamping plate, avoids deviation of the sample storage assembly when sliding, limits the sliding distance of the sliding block at the same time, and prevents the sample storage assembly from being excessively pulled out to cause water sample to be poured.

The utility model belongs to the technical field of wiring harness assembly, and relates to a wiring harness rubber sleeve reamer, which comprises a reamer body and a telescopic limiting mechanism, the telescopic limiting mechanism comprises a guide block, a positioning pin head, a drawing pin, a guide column and a spring, the positioning pin head is limited to the external thread positioning sleeve through the meshing with the toothed disc. The utility model also relates to a wiring harness rubber sleeve reaming system, which comprises a mounting base plate, a mounting seat, an electric linear slide, a fixed wiring harness rubber sleeve reamer and a movable wiring harness rubber sleeve reamer. The two ends of the wiring harness rubber sleeve are reamed through the fixed wiring harness rubber sleeve reamer and the movable wiring harness rubber sleeve reamer, so that stable and efficient reaming work of the long wiring harness rubber sleeve is realized. The utility model has the advantages of high reaming accuracy, convenient subsequent wiring harness assembly, safety and reliability, meeting the reaming requirements of wiring harness rubber sleeves of different lengths and easy realization, and is a wiring harness rubber sleeve reamer and reaming system with high innovation.

The utility model relates to the technical field of rail vehicle bogie, and disclose a kind of rail vehicle bogie lateral damper structure, including bogie, lateral rod and the linear bearing of lateral rod upper sleeve, the both ends of lateral rod are slidably connected with mounting block, and the one end of mounting block is equipped with the sliding cavity matched with lateral rod, the outer wall of lateral rod is equipped with the symmetrical first spring, and one end of first spring is fixedly connected with linear bearing, and other end is fixedly connected with mounting block;This kind of rail vehicle bogie lateral damper structure, by first spring, mounting block can be fixed in the inside of installation groove, further by limiting component, mounting block can be fixed in the inside of installation groove, so that the stability of the device operation is higher, after releasing limiting component, simultaneously pulling the mounting block of lateral rod both ends makes it separate from the installation groove on bogie, lateral rod can be disassembled, so that the disassembly of lateral rod is more convenient.

The utility model provides keyboard finished product taking equipment, which comprises a fixed frame, a limiting frame, a lead screw, a motor, a sliding frame, a first guide post, an air cylinder, a clamp and a second guide post, the limiting frame is fixed at the upper end of the fixed frame, the lead screw is rotatably arranged in the limiting frame, and one end of the lead screw is fixed with the output end of the motor; a first guide column is fixed in the limiting frame, a sliding frame is installed on the outer side face of the first guide column in a sliding mode, and the sliding frame is connected with the lead screw through thread engagement; a clamp is fixed to the lower side face of the sliding frame through an air cylinder. A second guide column is fixed to the upper side face of the clamp and connected with the sliding frame in a sliding mode. By means of the arrangement, when the keyboard clamping device is used, a keyboard finished product can be flexibly clamped and placed in a storage area, after the keyboard finished product is clamped by the clamp, the keyboard finished product can be lifted, and then the keyboard finished product is prevented from sliding off from the clamp.

The utility model discloses a switch cabinet convenient to overhaul, which belongs to the switch cabinet convenient to overhaul and comprises a shell used for protecting internal equipment, two fixing frames are fixedly mounted on the vertical inner wall of the shell, grooves are formed in the two fixing frames, threaded rods are rotatably mounted in the grooves, and the threaded rods are fixedly mounted on the vertical inner wall of the shell. A rotating shaft is welded to one end of the threaded rod, a movable rotating rod is slidably mounted in the rotating shaft, a movable block is connected to the periphery of the threaded rod, an I-shaped frame is welded to the side face of the movable block, a plurality of hollow columns are welded to the side face of the I-shaped frame, and springs are arranged in the hollow columns. One end, far away from the hollow column, of the spring is provided with an abutting plate, one end, far away from the moving column, of the abutting plate is welded with a plurality of locking clamps, two ends of the abutting plate are connected with sliding rods, and the switch cabinet can increase the cable fixing force, reduce the hidden danger of short circuit and improve the connection reliability.

The application relates to the technical field of batteries and discloses a battery cell and a battery pack. The battery cell comprises a shell, an open end of the shell, a pole group arranged in the shell, the pole group comprising a positive pole sheet, a diaphragm and a negative pole sheet arranged in layers, the diaphragm extending out of the upper side walls of the positive pole sheet and the negative pole sheet, a battery cell cover plate assembly comprising a cover plate and a lower plastic, the cover plate being arranged on the open end, the lower plastic being arranged on the lower surface of the cover plate and in the shell, the lower surface of the lower plastic being provided with a separation part and a pair of limiting parts, the pair of limiting parts being respectively arranged at opposite ends of the lower surface of the lower plastic, the separation part being arranged between the pair of limiting parts, the end area of the separation part away from the cover plate being smaller than the end area of the limiting part away from the cover plate, the length of the separation part being smaller than the length of the limiting part, and the separation part and the limiting part both abutting against the part of the diaphragm extending out of the positive pole sheet and the negative pole sheet. The compression amount of the separation part on the diaphragm is reduced, and the possibility of damage of the separation part to the pole group is reduced.

The application discloses a high-strength metal plate positioning and feeding oil pressure equipment, and particularly relates to the field of metal stamping, which comprises a rack, a main oil tank fixedly connected in the rack, an upper pressing assembly installed on the top of the rack, an upper die connected to the output end of the upper pressing assembly, a lower workbench fixedly connected to the rack, two symmetrical lifting assemblies installed at the bottom of the lower workbench, and a lower die connected to the output end of the lifting assembly. The upper pressing assembly is used for driving the upper die to move towards the lower die, and the lifting assembly is used for driving the lower die to move along a preset direction. The centering assembly drives multiple conical positioning pins to move synchronously, thereby realizing automatic positioning of the metal plate. The symmetrical force ensures that the plate is uniformly guided to the center and cannot be deviated or twisted during the positioning process, thereby ensuring that the center of the plate is completely coincident with the center of the die, laying a perfect foundation for subsequent uniform stretching, wrinkle prevention and crack prevention.

The utility model discloses a micrometer calibration clamping and fixing device which comprises a fixing seat, an adjusting groove is arranged in the fixing seat, clamping seats are symmetrically arranged in the adjusting groove through a sliding assembly, a positioning mechanism matched with the sliding assembly is arranged on the side wall of the fixing seat, and clamping mechanisms are arranged on the clamping seats through fixing assemblies. And a lifting assembly is arranged at one end of the fixed seat. The micrometer calibration device has the beneficial effects that through the arrangement of the fixing assembly and the clamping mechanism, the micrometer can be conveniently clamped and fixed, the stability in the calibration process is ensured, rigid contact can be avoided, the micrometer is protected, meanwhile, an elastic cushion can be conveniently and regularly disassembled and replaced, and the work efficiency is improved. And therefore, the clamping effect and the protection effect are prevented from being influenced by deformation or damage after use.

The utility model discloses a resistance sorting device of a ceramic heating sheet, which comprises a test seat for placing the ceramic heating sheet and a plurality of conductive pieces capable of elastically stretching, the test seat is provided with a plurality of placing grooves, and the groove bottoms of the placing grooves are provided with the conductive pieces. The elastic telescopic ends, facing the groove openings of the placing grooves, of the conductive pieces are used for abutting against the electrodes, facing the groove bottoms of the placing grooves, of the corresponding ceramic heating pieces and forming electric connection arrangement, the multiple conductive pieces are electrically connected with one another and form an electric connection common end, and the electric connection common end is used for being electrically connected with the first wiring end of the resistance testing unit. The electrode, facing the notch of the corresponding placing groove, of each ceramic heating sheet is electrically connected with the second wiring end of the resistance testing unit, so that the resistance of each ceramic heating sheet can be quickly tested and sorted, and excessive pressure can be prevented from being applied to the positive electrode and the negative electrode of the ceramic heating sheet during resistance testing; therefore, the resistance test accuracy is ensured, and the resistance test efficiency is improved.