27results about How to "Flexible sliding" patented technology

The invention discloses a system and a method for measuring the weight center of gravity of an unmanned helicopter, belongs to the technical field of unmanned aerial vehicles, and is used for solving the problems of low measurement precision and limited measurement scene of the system for measuring the weight center of gravity of the unmanned helicopter. The measuring system comprises a weight measuring unit, a horizontal measuring unit, a lifting unit and a distance measuring unit. The weight measuring unit comprises four weight measuring assemblies; the horizontal measuring unit comprises a first bevel protractor and a second bevel protractor, the first bevel protractor and the second bevel protractor are located on a main shaft of the unmanned helicopter, the distance measuring unit comprises a horizontal laser instrument and a laser centering tool, the laser centering tool is fixed on the main shaft of the unmanned helicopter, and the laser centering tool comprises an inclined laser centering line. The center line of the laser pair and the center line of the spindle are coplanar. According to the measuring system and the measuring method, the position of the weight gravity center of the unmanned helicopter measured by a four-point weighing method in the horizontal direction can be improved, and testing of different helicopter types and different sites can be met.

The utility model discloses a bottom-feeding and top-returning dust removal system for a welding workshop, which belongs to the related technical field of dust removal and comprises a dust removal main machine, air inlet pipelines are arranged on two sides of the dust removal main machine, and air inlet barrels are arranged at the lower ends of the air inlet pipelines and are adjustable; an air return pipeline is arranged at the upper end of the dust removal main machine and provided with an air return opening. A cleaning assembly used for cleaning the filter screen on the air return opening is movably arranged on the air return pipeline. The system is used for solving the technical problem that in the prior art, the effect of centralized collection and treatment of regional welding smoke dust is poor, the adjustable large-air-volume dispersion type air supply barrel is adopted at the bottom of the system for supplying air, upward thrust is applied to the smoke dust generated by welding, the original 6-8 m suspended smoke dust is pushed to move upwards, and the smoke dust is prevented from falling off. And the air is captured by a grid return air inlet at the top of the crane and enters a dust removal main machine for purification treatment.

The invention discloses gun-type lymph node forceps with openings perpendicular to opening and closing of forceps handles, and belongs to the technical field of medical instruments. According to the technical scheme, the forceps comprise forceps bodies, forceps handles, forceps heads and a sliding block, the forceps bodies comprise the lower forceps body and the upper forceps body, the forceps handles comprise the movable forceps handle and the fixed forceps handle which are oppositely arranged, the fixed forceps handle is fixed to the lower forceps body, the rear end of the upper forceps body is hinged to the sliding block, and the sliding block is connected with the movable forceps handle; the forceps head comprises a fixed forceps head and a movable forceps head, the fixed forceps head is fixed on the lower forceps body, and the movable forceps head is hinged with the upper forceps body. The gun type lymph node forceps have the beneficial effects that the gun type lymph node forceps are efficient and accurate in clamping capacity, stable in guiding mechanism, high in opening and closing stability, of a pistol loading type structure, flexible in hinge structure, smooth in opening and closing experience, compact in operation design and safe and reliable in performance; and great convenience and guarantee are provided for surgical operation of small tissues such as lymph nodes and the like.

The utility model relates to the technical field of machine body guide rail straightness detection devices, in particular to a machine body guide rail straightness detection device which comprises a detection assembly located in the middle of the top of a guide rail, a rotating shaft is arranged at the bottom of the detection assembly and connected with a supporting frame, and the supporting frame is inserted into a guide rail groove. The bottom of the supporting frame is connected with a sliding assisting block, and a rolling wheel is arranged at the bottom of the sliding assisting block and tightly attached to the bottom of the rail groove. Telescopic grooves are formed in the two sides of the middle of the detection assembly, telescopic plates are inserted into the telescopic grooves, the outer side ends of the telescopic plates are connected with clamping plates, and the clamping plates are clamped to the two sides of the guide rail; the machine body guide rail straightness detection device provided by the utility model has the beneficial effects that when the straightness of a guide rail is detected, the detection assembly is firstly placed at the top of the track groove of the guide rail, the support frame at the bottom of the detection assembly is placed in the track groove, and the support frame starts to support the detection assembly according to the depth of the track groove.

The utility model relates to the technical field of water scraping devices, and discloses a groove cover automatic water scraping device which comprises a groove body and a groove cover, side frames used for protection are fixedly installed on the two sides of the top of the groove body respectively, sliding rods are fixedly installed on the tops of the side frames respectively, and the groove cover is installed between the two sets of sliding rods in a sliding mode. The two sides of the top of the groove cover are each fixedly provided with an installation block used for sliding, the positions, corresponding to the tops of the sliding rods, of the side edges of the installation blocks are each rotationally provided with a pulley, and the pulleys are installed at the tops of the sliding rods in a sliding mode. During use, liquid at the bottom of the tank cover can be conveniently scraped and recycled, liquid waste is reduced, labor is saved, and practicability and convenience are achieved.

The utility model relates to the technical field of flour mills, and discloses a hammer type flour mill which comprises a machine body, a flour milling chamber and a collecting chamber are arranged in the machine body, a discharging port is arranged between the flour milling chamber and the collecting chamber in a communicating mode, a plurality of milling teeth are arranged on the inner wall of the flour milling chamber in an array mode, a rotating shaft is arranged in the flour milling chamber in a rotating mode, and a motor is fixedly arranged on the outer wall of the machine body and connected with one end of the rotating shaft. Each hammering assembly comprises a plurality of sleeves fixedly arranged on the rotating shaft, hammer rods are slidably inserted into the sleeves, sliding plates are arranged at the ends, located in the sleeves, of the hammer rods, hammer heads are fixedly arranged at the other ends of the hammer rods, a plurality of positioning holes are formed in the sleeves in an up-and-down symmetrical mode, and positioning grooves are formed in the sliding plates. The sliding plate penetrates through the positioning hole through a fixing bolt and is inserted into the positioning groove to be fixedly connected with the sleeve. The hammer rod can be adjusted in the sleeve in a sliding mode, so that the distance between the hammer head and the grinding teeth is changed, the device can adapt to material grinding under different hardness and humidity conditions, and the grinding efficiency is improved.

The utility model relates to a sliding clutch. The sliding clutch comprises a lifting plate, a pivot and a pressing plate which are sequentially arranged in the axial direction. The lifting plate and the pressing plate are fixed, the pressing plate is provided with a stand column penetrating through the pivot, a plurality of friction plates and steel plates are arranged between the pivot and the pressing plate at intervals, the stand column is sleeved with a spring, and the spring is connected between the lifting plate and the pressing plate in an abutting mode. A circumferential moving gap is formed between the pressing plate and the pivot, so that the pressing plate and the pivot can rotate relatively; a plurality of guide bosses are further arranged around the center of the pressing plate, guide grooves matched with the guide bosses are formed in the end face, opposite to the pressing plate, of the pivot in a one-to-one correspondence mode, and the matching faces of the guide grooves and the guide bosses are provided with spiral inclined faces which abut against each other and are attached to each other. The structure is more flexible and smooth in separation, rapid in separation and reunion and small in vibration.

The utility model relates to the technical field of early warning devices, and particularly discloses a geological disaster early warning device which comprises an early warning device body. The fixing column is arranged in the middle of the early warning device body in the vertical direction; the first fixing plate is arranged at the bottom end of the fixing column; the first fixing bolt penetrates through the first fixing plate and is inserted into the ground; the outer side wall of the fixing column is sleeved with the connecting sleeve, and the connecting sleeve is located in the middle of the fixing column; the sliding assembly is located on the side, close to the first fixing plate, of the connecting sleeve; one end of the connecting assembly is connected with the sliding assembly, and the other end of the connecting assembly is fixed to the ground; wherein the connecting assembly can rotate relative to the sliding assembly; the detection assembly is located at the top end of the fixing column. The geological disaster early warning device is stable in structure, flexible in installation, accurate and reliable in early warning, and capable of effectively early warning and preventing geological disasters and reducing disaster loss.

The utility model relates to the technical field of cutter production, provide a kind of hard alloy cutter fine grinding tool, including bottom plate, the bottom plate is provided with polishing part, the bottom plate is provided with clamping assembly, the clamping assembly is used to clamp workpiece to be processed;The polishing part includes installation part and polishing part, one end of the installation part is fixedly connected with one end of polishing part, one side of the polishing part is set as cambered surface, the projection of the cambered surface is towards the recess of workpiece to be processed and is set;The end of the installation part away from polishing part is provided with sliding portion, the sliding portion is slidably arranged on the bottom plate along the length direction of bottom plate, the length direction of the polishing part is parallelly arranged with the length direction of bottom plate, the utility model can improve the processing effect of double-end hard alloy cutter bottom burr.

The utility model discloses a bulletin board for culture media, which relates to the technical field of bulletin boards and comprises a main body, a display board is arranged in the main body, a first moving block is movably mounted in the display board, a cleaning block is fixedly mounted on the outer side of the first moving block, a clamping block is fixedly mounted at the end of a spring and is a magnet, and a driving structure is arranged at the bottom of the first moving block. The first moving block is moved to the rightmost end of the display board through the driving structure, then an information board needing to be displayed is clamped between the clamping blocks, the clamping blocks are magnets, so that the information board can be flatly unfolded, then the other end of the information board is clamped in the clamping blocks in the second moving block, and then the information board can be displayed through the driving structure. The technical problems that the interior of a display board can be cleaned through cleaning blocks on the two sides of a first moving block, meanwhile, dust accumulated on the product bulletin board for culture media is inconvenient to clean, and workers need to regularly and manually clean the product bulletin board for culture media are solved, and the practicability of the whole bulletin board for culture media is improved.

This utility model relates to the field of feeding equipment technology, specifically a device for rapid feeding of glass fiber products. It includes a storage bin with legs fixedly mounted on its surface. A rotary motor, a uniform feeding rod, an electric telescopic rod, a spring, and an anti-blocking scraper are incorporated. The rotary motor drives the uniform feeding rod to rotate, stirring and dispersing the glass fiber in the storage bin, ensuring uniform and loose material distribution for smooth feeding. The electric telescopic rod precisely adjusts the position of the anti-blocking scraper according to the condition of the inner wall of the discharge hopper, ensuring close contact with the inner wall. Combined with the elasticity of the spring, the anti-blocking scraper adaptively scrapes away residual material from the inner wall of the discharge hopper, preventing blockage. These structures work together to form a work chain from material pretreatment to anti-blockage, effectively avoiding downtime caused by material agglomeration and blockage, and ensuring efficient and continuous feeding of glass fiber products.

The utility model discloses a multi-position adjustable moxibustion chair, which is characterized in that armrests of the moxibustion chair have an adjusting function and are realized through an adjusting device. According to the specific technical scheme, the moxibustion chair comprises a chair main body, a moxibustion bin is arranged on a chair back of the chair main body, moxibustion bins are arranged at the positions of two armrests of the chair main body, and a moxibustion bin is arranged on a chair surface of the chair main body; armrests of the seat main body are connected with a motor arranged in the seat main body through a lead screw, and the armrests move inwards and outwards by controlling the motor. In order to more accurately solve the moxibustion problem of liver and gall meridians of legs, a left-right rotating opening and closing device is introduced. The left armrest and the right armrest can slide flexibly to adapt to people of different body types, and it is ensured that moxibustion treatment can be deeply conducted on liver and gall meridians of the legs. And an intelligent control system is also arranged. A user can easily control key parameters such as temperature and time through a remote controller or a mobile phone application program, and accurate adjustment is carried out according to personal requirements.

The invention discloses a machine body balance adjusting device suitable for a hill and mountain land tillage machine, and belongs to the technical field of balancing devices.The machine body balance adjusting device comprises a driving machine body and an arc-shaped bottom block, a rotating sleeve is fixedly arranged on the driving machine body through a connecting block, a rotating rod is rotationally arranged in the rotating sleeve, and double-end hydraulic rods are fixedly arranged at the two ends of the rotating rod; connecting blocks are fixedly arranged at the two ends of each double-end hydraulic rod, a supporting leg rod is rotationally arranged at one end of each connecting block, and two connecting long blocks are fixedly arranged on the surface of the non-telescopic section of each double-end hydraulic rod; according to the invention, when the tillage machine works on an abrupt slope, the driving machine body is arranged on the arc-shaped bottom block in a sliding manner, and the driving machine body can be automatically adjusted on the arc-shaped bottom block in a sliding manner according to the change of the gradient, so that a driver does not need to frequently and effortlessly adjust the posture to adapt to the inclination of the machine body in the driving process due to the characteristic.

The application provides an orthodontic traction device and belongs to the field of oral orthodontic instruments. The device solves the problem of poor cross-segment stability and unreasonable orthodontic stress of the existing orthodontic traction device. The device comprises sliding support parts which are connected to one side end face of a connecting support assembly and are used for cross-segment sliding connection on a straight wire arch in cooperation with the connecting support assembly to lock the straight wire arch under preset conditions. A multi-curve traction hook is connected to the side end face of the connecting support assembly away from the sliding support parts and is used for connecting a traction member. The device is mainly used for tooth orthodontic traction.

This utility model relates to the field of medical device technology and discloses a quick-adjustment buckle for a patient limb fixation strap during CT examinations. It includes a strap body with a T-shaped groove at its top. A T-shaped slider is slidably connected to the inner wall of the T-shaped groove, and the top of the T-shaped slider is fixedly connected to the bottom end of the elastic fixation strap. This utility model adjusts the position of the elastic fixation strap by sliding the T-shaped slider within the T-shaped groove, ensuring the elastic fixation strap roughly covers the limb area requiring fixation. Then, a locking pin is engaged with a suitable limiting fixation hole. When selecting the limiting fixation hole, consideration should be given to ensuring both effective fixation of the patient's limb and patient comfort. The magnetic buckle is then engaged with the locking pin to complete the fixation of the patient's limb. At this point, the elastic wristband pad contacts the patient's limb, and the elastic fixation strap generates appropriate elasticity according to the shape and condition of the patient's limb, ensuring both stability and comfort.

The utility model relates to the technical field of limb exercising devices, and discloses a limb exercising device for rehabilitation of pregnant and lying-in women, which comprises a supporting mechanism, a buffering mechanism is arranged at the top of the supporting mechanism, and a sliding mechanism is arranged at the top of the buffering mechanism. By means of the supporting mechanism, when the height of the device needs to be adjusted, the squeezing plate can slide up and down in the sliding groove of the supporting column along the limiting shaft, so that the height of the whole supporting mechanism is changed to meet the using requirements of different pregnant and lying-in women, meanwhile, the supporting column guarantees the stability of the device in the using process, and the device is convenient to use. The device is simple in structure, reliable support is provided for the pregnant and lying-in woman, the device is prevented from shaking or toppling in the exercise process, use safety is guaranteed, and through the arranged buffer mechanism, when the pregnant and lying-in woman exercises on the device and vibrates, impact force on the body of the pregnant and lying-in woman can be reduced to the maximum extent.

The utility model relates to motor vehicle inspection technical field, concretely is a kind of factory motor vehicle inspection automatic fixing device, including fixed platform, the both ends of fixed platform are fixedly connected with guide plate, the top of fixed platform is fixedly connected with support frame, the bottom of support frame is fixedly connected with detector, the top of fixed platform is separately provided with first installation slot and second installation slot, the inner side wall of first installation slot is slidably connected with first limit block, and the top of first limit block is inclined plane structure, the elastic component of the utility model is set so that when wheel is no longer in contact with first limit block, then under the action of compression elastic component, first limit block is automatically reset, to fix vehicle on the top of fixed platform quickly, the adjusting component of the utility model is set so that after vehicle is checked, by adjusting component work, by adjusting component drive second limit block along the inner side wall of second installation slot and slide downward, so vehicle can be moved from the left end of fixed platform to the technical problem of the out.

The invention relates to a wall shoveling device for old wall renovation, and belongs to the technical field of building construction, the wall shoveling device comprises a mounting hanging basket, a mounting bracket arranged on the mounting hanging basket, a wall shoveling mechanism arranged on the mounting bracket and used for shoveling wall skin, and a sliding mechanism for driving the wall shoveling mechanism to slide; the sliding mechanism comprises a longitudinal sliding assembly and a transverse sliding assembly. The wall shoveling mechanism comprises a wall shoveling platform arranged on the sliding mechanism, a rack arranged on the wall shoveling platform, a first rotating assembly arranged in the rack and used for shoveling wall skin, first polishing assemblies arranged on the two sides of the first rotating assembly and used for polishing the shoveled wall surface, and a first sweeping assembly used for sweeping the to-be-shoveled wall surface. The first rotating assembly, the first polishing assembly and the first sweeping assembly are in synchronous transmission through the driving chain assembly. The wall shoveling mechanism can flexibly move in the horizontal direction and the longitudinal direction, multi-procedure synchronous treatment is achieved, and the old wall renovating efficiency is greatly improved.

This utility model relates to the technical field of geogrid splicing tools, specifically, to a rapid splicing and connection device for geogrids. It includes multiple geogrid bodies, each with multiple exposed holes. Multiple splicing and fixing components are provided between adjacent geogrid bodies. Each splicing and fixing component includes a first insertion rod and a second insertion rod inserted through the corresponding exposed hole. An insertion cone is fixedly installed at the bottom end of both the first and second insertion rods. A color marking plate is fixedly installed on the top of both the first and second insertion rods. An upper force-bearing plate is fixedly installed at the top of both the first and second insertion rods. A horizontally positioned horizontal column is fixedly installed on the top of the first insertion rod. The second insertion rod is sleeved on the horizontal column and slidably connected to it. This utility model facilitates rapid splicing and connection operations, is simple to operate, and convenient to use.

The utility model relates to a pull-out type refrigeration storage shelf which is structurally characterized in that each shelf unit comprises two rows of side frame rods, each row of side frame rods comprises three side frame rods, three crosspieces are uniformly connected between adjacent side frame rods from top to bottom, two ends of each crosspiece are connected with the side frame rods through crosspiece fixing pieces, and tray guide rails are connected between each row of side frame rods and close to the lower portions of the crosspieces. The bottom ends of the side frame rods are fixedly connected with a refrigeration house bottom plate through bottom fixing mechanisms, the top ends of the side frame rods are fixedly connected with a refrigeration house top plate through top fixing mechanisms, and the upper middle portions and the lower middle portions, close to the inner wall of the refrigeration house, of the side frame rods are fixedly connected with the inner wall of the refrigeration house through back fixing mechanisms. The goods tray has the advantages that flexible sliding of the goods tray is achieved by additionally arranging the tray guide rails, the conditions that goods are stored compactly and are inconvenient to take and the like can be handled when the goods are stored in the tray, and breakage caused by collision of fragile goods can be effectively avoided; the overall top, bottom and side face fixing structures of the shelf are reasonable in design, and the structural stability can be effectively guaranteed.

The utility model discloses a parking number plate easy to change numbers, which relates to the technical field of vehicle auxiliary equipment and comprises a base, a mounting groove and a number plate, the top of the base is concavely provided with a first magnetic component, the mounting groove is provided with a first magnetic component, and the number plate is accommodated in the mounting groove and is in magnetic connection with the bottom of the mounting groove through the first magnetic component. At least one end of the bottom of the mounting groove is concavely provided with a pressing groove, the end of the number plate is located above the pressing groove, a second magnetic attraction assembly is arranged on the side, facing the top of the base, of the sliding block, and the sliding block can slide in the mounting groove through attraction of the second magnetic attraction assembly and the first magnetic attraction assembly so as to cover numbers on the number plate. According to the design, the magnetic attraction sliding covering design of the sliding block is utilized, mechanical abrasion is avoided when privacy is protected, the dustproof and waterproof performance is enhanced through the sealing structure of the installation groove, and the stability of the number plate and the sliding block in the vibration environment is guaranteed through the uniform attraction force of magnetic attraction.

The utility model discloses a kind of dust removal devices for EPS brushless motor core production, it is related to motor core production equipment technical field, including equipment machine tool, the bottom of the inner cavity of equipment machine tool is fixedly installed with processing table, the inside fixed mounting of processing table is placed with table, the inside movable mounting of table is placed with fixed frame.The utility model is rotated by starting drive motor, output shaft drives bottom rotating gear, using meshing rotating gear, rotation motion is transmitted to rotating shaft through fixed column, connecting disc, rotating shaft drives cleaning plate to rotate, brush column on plate synchronous cleaning motor core surface stain, movable plate both ends telescopic column and outside spring sleeve kit work in conjunction, when uneven surface or obstacle, telescopic column self-adapting telescopic, spring provides buffer reset force, ensure that brush column always adheres to cleaning surface, improve cleaning effect, to reach the function of deep cleaning, it is conducive to motor core to carry out dust removal treatment.

The utility model relates to the technical field of glass fiber cloth unwinding, in particular to a glass fiber cloth multi-layer unwinding device which comprises a supporting platform, a plurality of supporting rods and a plurality of supporting rods. The unwinding mechanism is arranged on the slide way in a sliding manner and comprises a placement frame and a plurality of rollers; mounting plates are arranged on the two side faces of the placement frame, supports are arranged on the inner sides of the mounting plates, chuck structures are arranged on the supports, and mounting sticks are arranged at the two ends of the roller; and the mounting roller is clamped on the chuck structure. According to the utility model, a group of slideways are arranged, so that the unwinding mechanism can slide on the slideways, and the adjustability of the unwinding device is enhanced; the stability and the fixity of the rollers are guaranteed through the arrangement of the placement frame and the support, the mounting roller is clamped to the chuck structure, glass fiber cloth of different sizes can be coped with by replacing the rollers of different sizes, and the adaptability of the unwinding device is improved; according to the multi-layer design, the glass fiber cloth can be discharged from a plurality of rollers at the same time, all layers of glass fiber cloth do not interfere with one another, the production efficiency is improved, the occupied area can be reduced, and the space utilization rate is increased.

The invention discloses a three-dimensional monitoring substrate type fiber Bragg grating crack sensor and a dynamic analysis method thereof. The three-dimensional monitoring substrate type fiber Bragg grating crack sensor can monitor the set X, Y, and Z three-dimensional displacements of a measured surface respectively, and the three-dimensional monitoring data are monitored independently without interfering with each other; the three-dimensional monitoring substrate type fiber Bragg grating crack sensor is fixed on a relatively fixed surface, and a monitoring auxiliary tooling is fixed on the monitored surface, and an initial data model is established by mapping the three-dimensional relative positions of the relatively fixed surface and the monitored surface; the XYZ displacement of the detected surface is dynamically monitored in real time, and the X, Y, and Z three-dimensional displacement dynamic curves are respectively drawn in real time, and the data is imported into the dynamic model, and the displacement change is displayed in real time, and the historical change can be recorded. Therefore, the dynamic analysis method is intuitive and efficient in observing the displacement change, and can effectively provide a basis for structural health diagnosis.

The utility model relates to the technical field of cable supporting, and provides a subway cable foundation pit adjustable supporting device which comprises a supporting mechanism, four supporting mechanisms are arranged on the outer side of the supporting mechanism in a sliding mode, the supporting mechanism comprises a bottom plate, four adjusting assemblies are fixedly installed at the upper end of the bottom plate, and an extrusion assembly is installed in the center of the bottom plate. The adjusting assembly comprises a hydraulic rod, a first U-shaped connecting block is fixedly installed at the upper end of the hydraulic rod, a connecting rod is rotatably installed in the first U-shaped connecting block, a second U-shaped connecting block is arranged at the end, away from the hydraulic rod, of the connecting rod, a first connecting piece is rotatably installed at the upper end of the hydraulic rod, and a pushing and pressing plate is rotatably installed in the first connecting piece. The position of the supporting mechanism is accurately adjusted according to stress borne by the supporting mechanism, stress and size changes of different parts of a foundation pit are effectively matched, an extrusion column and an extrusion plate of an extrusion assembly extrude a rubber damping ball under driving of a hydraulic rod, strong buffering is provided for movement of the supporting mechanism, and damage of impact force to the supporting mechanism and the wall of the foundation pit is greatly reduced.