22results about How to "Change force" patented technology

This utility model discloses an antistatic polymer POF heat shrink film processing equipment. A cutting plate is clamped to the top of the processing frame, and several cutting hydraulic cylinders are equidistantly installed on the top of the processing frame. A punching blade is clamped to the bottom of each cutting hydraulic cylinder. Several fixing frames are welded equidistantly to the top of the processing frame, and several moving limit ropes are equidistantly clamped to the top of the punching blades. A positioning support frame is installed at the bottom of each moving limit rope. This utility model, through the flattening and guiding limit during movement and the separation and cooperation during punching, allows for steady flattening of the film during movement, while avoiding excessive stretching during punching, which could lead to film breakage. This ensures steady punching during continuous production, reducing the occurrence of punching position deviation and uneven punching due to wrinkles, greatly guaranteeing product quality.

The laser cutting machine beam comprises a body and a base, the body comprises an outer wall, a circular ring is arranged in the center of the outer wall, the circular ring is hollow and extends to the two ends communicated with the outer wall in the axial direction of the body, the beam is provided with a guide rail and a rack, and the outer wall is provided with a guide rail groove matched with the guide rail and a rack groove matched with the rack; reinforcing ribs are arranged between the circular ring and the outer wall, and projections of the reinforcing ribs in the radial direction of the circular ring fall into the guide rail groove and / or the rack groove. Through the internally hollow circular ring, on one hand, the overall weight of the cross beam is reduced, on the other hand, the circular ring in the center of the main body can enhance the internal structural strength of the main body, through arrangement of the reinforcing ribs, the overall structural strength of the cross beam is improved, and the projections of the reinforcing ribs in the radial direction of the circular ring fall into the guide rail groove and / or the rack groove to share stress from the rack and the guide rail; the supporting stability of the cross beam in the moving process of the laser head is enhanced, and the good cutting precision of the laser cutting machine during high-speed operation is met.

The offshore floating type photovoltaic buoy support with the wing plates comprises floating platforms and photovoltaic assemblies, the photovoltaic assemblies are arranged on the floating platforms, buoy mechanisms are arranged at the bottoms of the floating platforms, and the adjacent floating platforms are connected through flexible connecting pieces. The buoy mechanism comprises a buoy body, a buoy body floating and diving adjusting device and a buoy body horizontal displacement adjusting device, the buoy body is arranged at the bottom of the floating platform, and a buoy body vertical displacement adjusting device and a buoy body horizontal displacement adjusting device are arranged on the buoy body, so that when the buoy body encounters ocean current, the buoy body can move up and down; by means of the buoy body vertical displacement adjusting device and the buoy, the problem of fixed connection between the floating platforms is solved, the propellers and the wing plates act at the same time to generate force opposite to the ocean current direction, the stability of the floating platforms in the working process can be improved, and drifting and sinking of the floating platforms are prevented.

One end of a beryllium copper elastic piece is provided with a common end contact, the other end of the beryllium copper elastic piece is provided with a beryllium copper elastic piece large arm for applying the acting force to an ejector pin, the two sides of the beryllium copper elastic piece large arm are elastic piece end faces, and the tail end of the beryllium copper elastic piece large arm is fixedly arranged between two fulcrum supports. The end faces of the two elastic pieces abut against fulcrum clamping grooves in the end faces of one ends of the corresponding fulcrum supports, a normally-closed contact is arranged above the common end contact, and a normally-open contact is arranged below the common end contact. The invention has the advantages that: one end of the fulcrum bracket contacted with the end face of the elastic sheet is provided with the vertically arranged fulcrum clamping grooves, and the position of the fulcrum clamping grooves contacted with the end face of the elastic sheet is adjusted according to elastic force provided by actual needs.

The invention discloses crushing equipment for waste rubber powder composite modified asphalt concrete treatment, and relates to the technical field of crushing equipment, and the crushing equipment comprises a composite mechanism. According to the crushing equipment for waste rubber powder composite modified asphalt concrete treatment, through the design of a composite mechanism, a pushing and pressing mechanism is lifted through a first electric push rod, then materials are put into a composite shell, a motor drives a gear set to rotate, the gear set conducts transmission through a connecting belt, and the crushing mechanism rotates, so that the material crushing effect is achieved; the guide plate plays a role in guiding materials to descend, so that the materials move towards the middle of the equipment and are fully crushed, the crushing mechanism is matched with the reverse mechanism during rotating operation, splashing is easily generated in the material crushing process, the materials are collided multiple times through rebounding of the reverse mechanism, uniform crushing operation is achieved, and the crushing effect is improved. Finally, the materials are discharged outwards from the output mechanism, and the material descending flow and the material flow speed are controlled through the output mechanism.

The utility model discloses a high load disc buckle type scaffold cross bar, including the cross bar, the bottom of cross bar is provided with two support bars, one end of support bar is provided with the fastener, the fastener includes first joint piece and second joint piece, the second joint piece sets up the limit hole and limit slot, first joint piece includes two bents, the fastener still includes the threaded rod, through setting through increasing the connecting node of cross bar, can directly improve the bearing capacity of cross bar node, also changed the original stress structure, the stress of across in the middle is small, and cross bar, support bar, stand through fastener and buckle joint form right triangle structure, not only can utilize the stability of triangle, good reinforcement scaffold, in addition can reduce the sway between scaffold connection, has very good stable effect.

This utility model relates to the field of twisting machine technology, and in particular to a multi-strand adjustable FDY polyester semi-dull retwisted black yarn twisting machine, including a base, a first support block fixedly connected to the upper surface of the base, and a first connecting column rotatably connected to a rotating hole in the top of the first support block. The surface of the first connecting column is fixedly fitted with a connecting block, and threaded rods are fixedly connected to the four sides of the connecting block. A raw material bobbin is fitted on the surface of each threaded rod. The machine can control the resistance to the rotation of the raw material bobbin. When the threaded column is rotated, the force of the spring on the square plate can be changed. Then, through the cooperation of the hemispherical block and the arc rolling track on one side of the raw material bobbin, the friction force on the raw material bobbin can be adjusted, so as to avoid the raw material bobbin rotating too fast under the pull of the yarn, and prevent the yarn from being released too much and loose, which would cause problems such as tangling and knotting.

The application relates to a damper, a shock absorber, a suspension system and a vehicle. The damper comprises a cylinder, a first piston, a piston cylinder and a pump body. The cylinder is provided with a first channel, and the cylinder is used for being connected with one of a vehicle body or a vehicle wheel. The first piston is arranged in the first channel, and the first piston can generate a damping force during movement in the first channel. A piston rod is arranged in the cylinder and connected with the first piston, and the piston rod is used for being connected with the other one of the vehicle body or the vehicle wheel. The pump body is used for transmitting a first fluid with the first channel to control the position of the first piston in the first channel. The application aims to enrich the functions of the damper.

The utility model relates to the technical field of base support, in particular to a testing device for a conductive copper foil of a substrate, which comprises a base; the clamping assembly is used for clamping and fixing a base plate, and the buffering assembly is used for buffering the base plate in the clamping process. The buffering assembly comprises a groove body fixedly installed at the top of the base, a water bag for clamping the copper foil of the base plate, a water pipe for conveying water in the water bag, a water storage bag communicated with the water bag through the water pipe, and a pressing plate moving along with deformation of the water storage bag, wherein the water bag is installed on the clamping side of the clamping plate. According to the device for testing the conductive copper foil of the substrate, the water bag is extruded by the copper foil of the substrate, the water in the water bag flows into the water storage bag due to the property that the water cannot be compressed, the water storage bag is telescopic, the pressing plate is extruded by the expansion of the water storage bag, the first electrode of the pressing plate is communicated with the second electrode, and the rotation of the motor is stopped; and the clamping plate is prevented from further extruding the substrate copper foil.

The utility model discloses a steel beam bridge deck slab adjusting device and an operation platform. The device comprises a fixed mechanism, a movable mechanism and a supporting beam, and the fixed mechanism is connected with a first side bridge deck slab; the movable mechanism comprises a movable adjusting piece, and the movable mechanism is connected with the second side bridge deck; the supporting beam, the fixed mechanism and the movable mechanism are located on the same horizontal plane, one end of the supporting beam is connected with the fixed mechanism, the other end of the supporting beam is connected with the movable mechanism, and the movable adjusting piece is used for changing the acting force of the movable mechanism on the other end of the supporting beam. And the distance between the first side bridge deck and the second side bridge deck is adjusted by adjusting the distance between the first side bridge deck and the second side bridge deck. According to the device, the aim of accurately adjusting the distance between the first side bridge deck and the second side bridge deck can be achieved, the operation process is simple and convenient, the hoisting and positioning time of the bridge deck on site is shortened to a great extent, the construction time is shortened, and the construction efficiency is further improved.

The invention belongs to the technical field of cableway winch equipment, and discloses a hydrological cableway flow measurement winch device which comprises a supporting frame, cable saddles are vertically arranged on the supporting frame in a sliding mode, a bearing cable is arranged between the two cable saddles on the two sides of a river channel, a traveling crane is arranged on the bearing cable, a first fixed pulley is arranged on the cable saddles, and a traveling traction cable is wound on the first fixed pulley. A traction motor is arranged on the cable saddle, an adjusting arm is rotationally arranged beside the supporting frame, a second fixed pulley is arranged at the upper end of the adjusting arm, the bearing cable is wound around the second fixed pulley by one circle, and a synchronous sliding assembly is arranged between the upper end of the adjusting arm and the cable saddle. A driving motor used for driving the adjusting arm to rotate is arranged on a rotating shaft of the adjusting arm, and when the adjusting arm rotates, the cable saddle slides under the action of the synchronous sliding assembly. The problems that in the prior art, the height of a bearing cable of a hydrological cableway is fixed, a fish lead is unstable after being connected with a crane through a steel wire rope, and errors of measured data occur are solved.

This invention relates to a chopsticks cleaning module, comprising a chopsticks basket; a piezoelectric ceramic sheet disposed at the bottom of the basket; a magnetic component disposed at the bottom of the piezoelectric ceramic sheet; an information acquisition board electrically connected to the piezoelectric ceramic sheet; chopsticks, with a metal sheet at the tail end sealed and capable of generating magnetic force with the magnetic component, and the tail end face of the chopsticks also having a feature component for image recognition; an image acquisition device disposed above the chopsticks basket; and a robotic arm disposed on one side of the chopsticks basket. This chopsticks cleaning module can effectively detect the orientation of the chopsticks in the basket and thus adjust the orientation of the chopsticks to be consistent. This invention also relates to a chopsticks placement method, which determines whether all chopsticks in the basket are correctly positioned based on weight data detected by the piezoelectric ceramic sheet, and adjusts incorrectly positioned chopsticks in the basket to the correct orientation based on the image acquisition device and the robotic arm. This invention also relates to a cleaning machine using the chopsticks cleaning module and a storage medium.

The invention relates to a self-adaptive bionic mechanical arm and a robot comprising the same. The self-adaptive bionic mechanical arm comprises a palm part; each finger piece comprises a first joint, a second joint and a third joint which are hinged in sequence, and the third joints are hinged to the palm part; the number of the driving mechanisms is multiple, each finger piece or thumb piece is correspondingly provided with one driving mechanism, and each driving mechanism comprises a transmission line and a steering engine; the joint limiting mechanism is arranged between the first joint and the second joint of one finger piece, the joint limiting mechanism comprises a blocking piece, the blocking piece is driven by a driving piece, and after the driving piece drives the blocking piece to work, the blocking piece limits the corresponding first joint to bend relative to the second joint; and the surface elastic adjusting piece is arranged on the first joint of the finger piece provided with the joint limiting mechanism, and the side face of the surface elastic adjusting piece generates rigidity change of an anti-bending area according to the included angle between the first joint and the second joint.

The utility model discloses a pit type steel pipe static pressure pile underpinning device which comprises a base, the top end of the base is fixedly connected with a fixing column, the end, away from the base, of the fixing column is fixedly connected with a counter-force frame, and a fixing module is assembled between the base and the counter-force frame. A jack is assembled on the side, close to the base, of the reaction frame, a reinforcing assembly is arranged at the top of the base, a first steel pipe pile is slidably connected to the middle of the base, a second steel pipe pile is assembled at the end, away from the reaction frame, of the first steel pipe pile, and a connecting assembly is arranged between the first steel pipe pile and the second steel pipe pile. Through cooperation of the base, the connecting plate, the fixing block, the limiting pipe, the limiting groove and other structures, the overall pressure resistance and structural stability of the underpinning device are effectively enhanced, part damage caused by local pressure concentration is avoided, meanwhile, it is ensured that the steel pipe pile can accurately reach the expected reinforcing depth, and the construction quality is improved.

The utility model relates to the technical field of compensation devices, and discloses a spring compensation device based on a railway overhead line system, which comprises a mounting frame, a spring, a spring and a spring, a compensation rope is mounted in the brake ratchet wheel; a compensation assembly is mounted at the bottom of the compensation rope; during use, only one end of the compensation rope needs to be mounted on the brake ratchet wheel, the other end of the compensation rope is mounted on the top of the working rod, and when the length of the contact network changes due to thermal expansion and cold contraction, the compensation rope can pull or push the movable plate to move, so that the spring is compressed or released, and the length of the compensation rope is adjusted through the elastic force of the spring; when the tension interval of the spring needs to be adjusted, the distance between the movable plate and the adjusting plate can be changed under the cooperation of the original tension of the compensation rope only by screwing a screw on the adjusting rod and adjusting the position of the adjusting plate through a wrench, then the acting force of the spring on the movable plate is changed when the movable plate moves up and down, and convenience and rapidness are achieved.

The utility model discloses a novel vestibule supporting beam which is installed on stand columns, brackets are arranged on the stand columns, the novel vestibule supporting beam comprises a cross beam and a pressing plate, the two ends of the cross beam are supported on the outwards-extending brackets of the two adjacent stand columns respectively, one end of the pressing plate is fixed to the stand columns, and the other end of the pressing plate is fixed to the stand columns. The other end of the pressing plate is a free end and extends in the outward extending direction of the bracket, and the other end of the pressing plate is connected to the upper portion of the cross beam in a pressing mode. According to the novel vestibule supporting beam disclosed by the utility model, the cross beam is directly lapped on the bracket extending out of the stand column, so that the cross beam can be installed through a hoisting scheme, the cross beam and the bracket on the stand column do not need to be integrally formed, and the traditional mode that the top of a cast-in-place reinforced concrete bracket beam is connected to the two sides of the bracket in a flush manner is changed; installation and manufacturing are simpler, the stress of the bracket is changed, the use number of bent reinforcing steel bars is greatly reduced, and cost is reduced.

The present invention discloses an impact piling mechanism and a pile driver thereof, which belong to the field of engineering machinery. It mainly comprises a guide mechanism, a hydraulic cylinder and a clamping hammer head. A clamping hammer head which can move up and down along the guide mechanism is provided below the guide mechanism. A hydraulic cylinder is installed between the guide mechanism and the clamping hammer head. The hydraulic cylinder is connected to the guide mechanism, and the piston rod end of the hydraulic cylinder corresponds to the clamping hammer head. The present invention is easy to process, manufacture and assemble. During impact vibration, there is only vertical force but no horizontal force. The impact frequency and impact force are adjustable, and the use cost is low. The present invention is mainly used for piling.

The invention relates to the technical field of plastic stretching forming, in particular to a plastic stretching forming machine which comprises a front cover plate, the front cover plate is movably connected with a rear cover plate through a rotating shaft, and a connecting flange is fixedly installed at the end, away from the front cover plate, of the rear cover plate. Fluid channels are formed in the center positions of the front cover plate, the rear cover plate and the connecting flange in a penetrating mode, the three fluid channels communicate with one another, a feeding opening is fixedly formed in the opening position of the end, away from the rear cover plate, of the front cover plate, the front cover plate is connected with an extruder through the feeding opening, and the device further comprises a flow dividing body and a forming mechanism. According to the invention, under the condition that the power of the extruder is not changed, the plastic melt entering the shunting channel can be pressurized and divided into numerous fine flow beams, so that the plastic melt can be uniformly distributed before entering the forming mechanism, and the flow of the plastic melt at each position can be ensured to be relatively consistent; and the uniformity of the surface thickness of a finished product is ensured, so that the production quality and the production efficiency of the product are ensured.

A buoyancy transportation device for deep-sea mining comprises a float, a sling, a backfill box, a mineral box, and a control rod; the backfill box and the mineral box are both provided with a lifting rope; at least a pair of lifting ears are symmetrically provided on the left and right sides of the float, which are recorded as a left lifting ear and a right lifting ear; the left lifting ear is connected in sequence to a first sling, an automatic hook, a backfill box lifting rope, and a backfill box; the right lifting ear is connected in sequence to a second sling, a mineral box lifting rope, and a mineral box; a control rod is horizontally hinged between the automatic hook and the second sling; the length of the control rod is greater than the vertical distance between the first sling and the second sling, and the bottom of the mineral box suspended on the float is h meters higher than the bottom of the backfill box; a mine car is used to load the mineral box to increase the clamping force on the control rod, and the backfill box is unloaded by the reaction force of the control rod on the automatic hook, and the mineral box is carried upward by the float to realize buoyancy transportation for deep-sea mining.

The utility model discloses an electroplating receiving machine which comprises a machine shell, a rotating rod and a driving device, the driving device comprises a driving motor, a first chain wheel and a second chain wheel, the first chain wheel and the second chain wheel are synchronously connected through a chain, the first chain wheel is fixed on an output shaft of the driving motor in a sleeved mode, and the second chain wheel is fixed on the output shaft of the driving motor in a sleeved mode. A buffer part is arranged at the upper end of the second chain wheel and comprises an upper friction plate and a lower friction plate, the lower friction plate is fixed to the upper end of the second chain wheel, the upper friction plate is connected to the peripheral side of the rotating rod in a sleeving mode, and the upper friction plate vertically slides and is limited to the peripheral side of the rotating rod; an adjusting piece is arranged above the upper friction plate and comprises a compression spring and a fixing seat, the fixing seat is arranged on the peripheral side of the rotating rod in a sleeving mode, and the compression spring is located between the upper friction plate and the fixing seat. The material receiving machine has the effect of prolonging the service life of the material receiving machine.

The invention relates to the field of geotechnical engineering, and discloses a geotechnical centrifuge base and a connecting structure of the geotechnical centrifuge base and a civil foundation, the geotechnical centrifuge base comprises at least one combined base, and the combined base is composed of a plurality of detachably connected parts and is used for installing a bearing and supporting a main shaft; an axial anchoring assembly connected with a civil engineering foundation is arranged at the bottom of the combined type machine base, and a radial restraining assembly connected with the civil engineering foundation is arranged on the side portion of the combined type machine base. The radial constraint assembly has the beneficial effects that the radial constraint assembly changes the shearing and bending combined load which is originally and completely borne by the foundation bolt into the mode that the shearing and bending combined load is directly transmitted to the foundation embedded plate in the civil foundation through the radial connecting piece, the foundation bolt only bears the axial load, and through detachable connection, oriented optimization of the rigidity of the machine base is achieved; and the unbalanced force resistance of the whole machine in the limited space height is improved.

This utility model discloses a safety hook for installing photovoltaic solar panels, relating to the field of photovoltaic solar panel technology. The safety hook includes a fixing plate, with an installation structure fixedly installed at the bottom of the fixing plate. The installation structure includes an installation plate, a partition plate, and a sealing plate. The front of the installation plate has a connecting structure via a sliding groove. The connecting structure includes a connecting arm, an inner fixing plate, a sliding block, and a first preset hole. The inner fixing plate is located on the inner side of the connecting arm, and a sliding block is located at one end of both the connecting arm and the inner fixing plate. The bottom of the connecting arm has a fixing structure. This utility model overcomes the shortcomings of existing technologies. Through its unique connection and installation structure, it precisely adjusts and protects components according to different solar panel specifications, extending their lifespan. With its stable connection, drainage and rust prevention design, and enhanced stability, it comprehensively ensures safe and reliable installation, possessing high social value and application prospects.