137results about How to "Reduce force" patented technology

The application discloses a kind of evaporator inner plug testing equipment of accurate positioning, it is related to evaporator performance detection technical field, including test table, advancing support unit, test mark unit and sensing unit, wherein test table is used for signal control and reception, advancing support unit is used for the support travel of evaporator pipeline, test mark unit is used for testing whether the internal plug point of evaporator appears, sensing unit is used for detecting the viscosity of plug point plug, in the advancing process of advancing support unit in evaporator, whether the internal plug of evaporator appears is detected by test mark unit, while the plug point is marked, it is convenient for subsequent accurate positioning plug point, the viscosity of plug point plug that appears is detected by sensing unit, it is convenient for subsequent corresponding cleaning means, improve maintenance efficiency.

This utility model relates to the field of filling machine cleaning technology, specifically disclosing a hopper tilting mechanism for easy cleaning of a filling machine, including a working unit, a tilting unit, and an auxiliary unit. The working unit includes a worktable, a hopper, a tilting base, a fixing block, a hinge rod, and a connecting pipe. The tilting unit includes a drive box, a drive screw, a moving block, a telescopic rod one, and a telescopic rod two. When the hopper needs to be cleaned, the drive screw in the tilting unit, in conjunction with the telescopic rod one and the telescopic rod two, lifts the hopper. Simultaneously, the gas spring and triangular block in the auxiliary unit reduce the gravity of the hopper during lifting, thus facilitating cleaning. Furthermore, due to the tilting unit and the auxiliary unit, the hopper does not need to be disassembled for cleaning; it can be tilted 90 degrees directly, thereby improving cleaning efficiency.

The utility model relates to the technical field of constructional engineering, and discloses a novel grouting plug device which comprises a shell, an annular cavity is formed in the inner wall of the shell, a grouting cavity is formed in the middle of the shell, and the grouting plug device is provided with the annular cavity, a reset spring, the grouting cavity, a connecting pipe, a top plate, a supporting rod, a first connecting rod, a second connecting rod, a handle and a rubber plug. When slurry needs to be pumped, the handle is used for pressing the rubber plug downwards to the bottom end, meanwhile, the connecting pipe at the lower end of the top plate enables the reset spring to be compressed downwards together, the handle is pulled upwards to start to pump the slurry, at the moment, resilience force of the reset spring reduces force of workers for pulling back the rubber plug, the slurry is pumped into a grouting cavity easily, time and labor are saved, and the grouting efficiency is improved. And by arranging a fixing shaft and a hook, when the grouting device is not used, a connecting pipe and a first connecting rod are collected to an annular cavity and a grouting cavity through a handle, then the hook is rotationally buckled to a second connecting shaft to fix the handle, springback is prevented, the space is saved, and storage is convenient.

The utility model relates to automatic folding equipment. The automatic folding equipment comprises a conveyor and a folding machine. The conveyor forms a channel extending along a preset path, the conveyor is used for conveying articles clamped in the channel along the preset path, the extending direction of the channel is changed at the first position of the preset path so that the channel can be bent, and at the first position, the articles are bent with the preset surface as the inner side face. The folding machine is arranged corresponding to a second position of the preset path, the second position is located on the downstream side of the first position, and the folding machine is used for folding the article with the preset surface as the inner side face. According to the automatic folding equipment, the acting force on the product during folding can be reduced, and the probability of product damage during folding is reduced.

The utility model belongs to the technical field of lockset, specifically disclose a kind of combination lock, including a kind of combination lock, including fixed seat, fixed seat is equipped with connecting rope, and the one end of connecting rope away from fixed seat is equipped with buckle head;Lock shell, lock shell is equipped with the accommodating cavity of opening, and the password mechanism is equipped in accommodating cavity;Pressing mechanism, including button and first spring, and the button is equipped with clamping hole, and the one end of button passes through the lateral wall of lock shell, and the other end of button is abutted on first spring, and the one end of first spring away from button is abutted on the inner wall of accommodating cavity;Password mechanism can be extruded by button, to make buckle head can pass through the through-hole of lock shell lateral wall, clamping hole on button in turn, and make buckle head and button mutually lock or mutually separate. Since the one end of button passes through the lateral wall of lock shell, button can be directly pressed, and password mechanism can be extruded only by button and first spring, so that only a few parts are needed, so that the cost of raw materials can be saved, and assembly is also facilitated.

The application discloses a monitoring instrument and an implantable sensor thereof. The monitoring instrument comprises a housing assembly, an implantable sensor, a guide needle and a circuit board assembly. The implantable sensor is connected with the housing assembly, the guide needle is arranged in the housing assembly and is used for driving at least part of the implantable sensor to be inserted into a human body. The circuit board assembly is arranged in the housing assembly and is signal-connected with the implantable sensor. The implantable sensor comprises a conductive layer, an insulating layer and a sacrificial layer, and the conductive layer and the insulating layer are arranged alternately. The implantable sensor has a connecting area connected with the housing assembly, and the sacrificial layer is arranged in a laminated mode in the connecting area. When the implantable sensor is subjected to an acting force due to human body activities or the like, the sacrificial layer is used for being damaged by the acting force at a position adjacent to the conductive layer and the insulating layer under the action of the external force, thereby playing a role of protecting the conductive layer and reducing the probability of affecting signal transmission due to the fracture of the conductive layer.

The utility model discloses a wind power energy storage windproof device for a mobile ocean platform, which is characterized in that an impeller is arranged in a windproof area of the ocean platform, and wind power data of the windproof area of the ocean platform is detected by a wind power detection component; the controller judges and outputs a current operation mode according to the wind power data, a pre-stored wind power operation rule and an obtained operation instruction, when the external wind power is small, the impeller is in a power generation mode, the controller controls the impeller to sequentially drive the reduction gearbox and the direct-current generator to generate power, and then the power is stored in the storage battery; the impeller is in a windproof mode, the controller controls the storage battery and drives the impeller to rotate through the impeller motor, and hedging and collision are carried out on natural wind, so that the wind load acting on the windproof area of the ocean platform is reduced, the force of wind power on the platform under the severe sea condition is effectively reduced, and the safety coefficient is improved.

The utility model relates to the technical field of numerical control machine tool workpiece feeding and discharging, and discloses a numerical control machine tool workpiece feeding and discharging device which comprises a supporting frame, a lifting motor, a bearing device and a pushing device. A bearing device is arranged in the supporting frame and correspondingly connected with the interior of the supporting frame in a sliding fit mode, a pushing device is arranged at the top of the bearing device and fixedly connected with the top of the bearing device through an adaptive screw, and a bottom output shaft of the lifting motor is correspondingly connected with the bearing device in a threaded fit mode. The loading and unloading device is internally provided with the bearing device and the pushing device which cooperate with each other, so that the loading and unloading speed of large workpieces can be greatly improved, manual carrying is reduced, and the safety of the whole operation process is greatly improved.

This utility model belongs to the field of rebar processing technology and discloses a rebar straightening, length-fixing, shearing, and unloading device. It includes a rebar straightening mechanism and an unloading mechanism. The rebar straightening mechanism includes a machine body, on which a straightening roller and a shearing assembly are mounted. The straightening roller includes a roller body with multiple straightening seats. Rollers are rotatably mounted on the straightening seats, and the rollers are obliquely positioned. Straightening holes are provided between the rollers and the straightening seats to allow rebar to pass through. Adjacent rollers face opposite directions and are adjustable relative to the roller body. The roller body can rotate relative to the machine body. The shearing assembly is located downstream of the straightening roller to cut the rebar. The unloading mechanism is located downstream of the rebar straightening mechanism and includes a frame and a length-fixing component. The length-fixing component moves along a first direction on the unloading mechanism to fix the length of the rebar. The first direction is perpendicular to a second direction, thus solving the problems of high wear, poor versatility, and high energy consumption in rebar straightening; it also solves the problem of low shearing efficiency.

This invention provides a photoresponsive, deformable liquid crystal polyurethane material containing cyanostilbene, its preparation method, and its applications, belonging to the field of intelligent polymer materials technology. This invention introduces cyanostilbene liquid crystal units into a polyurethane system via short-chain spacer groups. Utilizing the characteristics of cyanostilbene under ultraviolet light irradiation (requiring trans / cis isomerization), its photothermal effect, the stability of the cis isomer structure, and the ability of the cis isomer to lower the glass transition temperature of the polymer, as well as the strong coupling effect between the cyanostilbene liquid crystal units and the main chain, a photoresponsive, deformable liquid crystal polyurethane material with high mechanical properties, high processability, high deformation rate, large deformation degree, and strong photostress can be prepared. This photoresponsive, deformable liquid crystal polyurethane material has wide applications in fields such as micro-optically driven robots, artificial muscle flexible actuators, and 4D-printed programmable deformable structures.

The utility model provides a plant large-span floor construction anti-cracking control device which comprises a plurality of separation frames, the separation frames can be mutually spliced, and reinforcement cages are arranged in each separation frame in a criss-cross mode. A connecting edge skirt is arranged on the outer surface of the bottom of each separation frame, and the connecting edge skirt is used for separating two adjacent separation frames; a reinforcing frame is arranged at the bottom of the separation frame and can extend into the foundation. Gaps are reserved between the bottom and the top of the steel reinforcement cage and the bottom and the top of the separation frame, and gaps are reserved between longitudinal steel bars and transverse steel bars in the steel reinforcement cage. When in use, the plurality of separation frames are spliced and laid in the terrace, and then concrete is poured into the separation frames and the connecting gaps of the separation frames, so that the concrete is divided into a plurality of small blocks, and when the concrete expands with heat and contracts with cold, the acting force between the single blocks of concrete is small, so that the cracking can be avoided and the cracking degree can be reduced.

A toilet blank and a toilet bowl are disclosed, comprising a side blank, a main blank, and a connecting blank for the side blank and the main blank; the blank also includes several ribs, each with its two ends connected to the inner wall of the side blank and the first end of the connecting blank, and each rib extending from one side of the inner wall of the side blank to the other side along the first end of the connecting blank. Therefore, during the drying and firing process of the toilet blank, the frictional force and shrinkage force between the blank and the support plate are distributed on the ribs, resulting in stress concentration on the ribs, thereby reducing the forces acting on other parts of the blank, improving the stress condition of the toilet blank during drying and firing, reducing the possibility of blank cracking, and thus lowering production costs.

The invention discloses a paper extraction box which comprises a box body. The box body is provided with a paper outlet and a paper fixing opening. The paper outlet and paper fixing opening is formed by combining the left side and the right side, and the middle is used for paper extraction and paper output. The left side and the right side are totally or partially close to or in contact with each other to form an approximately closed or closed structure; the two sides of the paper outlet and paper fixing opening make contact with static extraction paper to a certain degree, so that continuous meshing acting force is exerted on the extraction paper, enough friction force is generated, and the extraction paper fixed in the paper outlet and paper fixing opening cannot fall back into the box to be broken. At least the part, close to the paper outlet, of the panel protrudes upwards at a certain angle or radian, so that a certain radian or angle is formed between the panel and the paper folding plane of the extraction paper, and resistance generated when the extraction paper is extracted is reduced. By the adoption of the technical scheme, when paper is extracted under upward acting force, resistance is small, and the extracted paper can be discharged more smoothly; moreover, the paper outlet and the paper fixing port are free from the condition that the paper drops and is broken.

The present invention relates a mechanical structure (also known as mounting structure) for installing cover plates of the pasta machine, a method for installing cover plates of the pasta making machine, and a pasta machine with brackets and cover plates.

The utility model provides a fence device convenient to disassemble and assemble. The fence device comprises a fence body and a fence base. Connecting feet with protruding structures are arranged at the bottom of the fence body, and an elastic structure, a first groove, a second groove and a third groove are arranged in the fence base, the connecting pin can sequentially penetrate through the third groove, the second groove and the first groove to abut against the elastic structure, and disassembly and assembly are achieved by rotating the protruding structure. The device is convenient and labor-saving to disassemble and assemble, does not need complex operation, saves time and manpower, and reduces the requirement on the proficiency of operators; the structure is stable, connection is firm, external impact vibration can be resisted, loosening and falling are prevented, and safety and reliability are improved; the device adapts to different installation environments, reduces damage caused by uneven ground or external force, and prolongs the service life. In addition, according to the structural design, part abrasion is reduced, the maintenance cost is reduced, durability and economic benefits are improved, good environmental adaptability and universality are achieved, the fence can be widely applied to power construction and other scenes, and stable exertion of the protection function of the fence is guaranteed.

The utility model discloses a practical drilling core splitting machine which comprises a cutting machine body, the cutting machine body is movably arranged on a cutting base, the cutting base comprises two transverse frames which are arranged at intervals in the longitudinal direction, the tops of the transverse frames are in a bevel edge shape, and a stiffening rod is arranged between the bottoms of the two transverse frames. Two mounting rods are transversely arranged between the tops of the two transverse frames at intervals, a mounting plate is arranged between the two mounting rods, a mounting base is arranged on the right side of the top of the mounting plate, the right side of the bottom of the cutting machine body is hinged to the mounting base, and a notch allowing a cutting blade of the cutting machine body to penetrate through is formed in the mounting plate; a cutting guide groove is obliquely formed in the lower portion of the cutting machine body and fixedly connected with the cutting base. The rock core is placed on the cutting guide grooves and pushed along the cutting guide grooves to be cut, the cutting guide grooves limit and fix the two sides of the rock core, stability and safety in the cutting process are guaranteed, and half-and-half splitting of the rock core is facilitated.

The application discloses a machine head for manufacturing soft polytetrafluoroethylene insulated wire and a processing method thereof. The machine head comprises a connecting head in the machine head, a die core is arranged at the top of the connecting head through a die core base, a die sleeve is arranged outside the die core, a center tube is arranged at the bottom center of the connecting head, the machine head comprises two conical bodies with different angles, a bottom conical angle and a top conical angle, the angle of the top conical angle is smaller than that of the bottom conical angle, the wire bearing section of the machine head is horizontal to the die core base, the connecting head comprises two trapezoidal cones with different angles, a bottom conical angle and a top conical angle, the bottom conical angle is the same as the bottom conical angle, and the top conical angle is smaller than the top conical angle, a conductor anti-shaking device is arranged at the bottom of the center tube, the conductor anti-shaking device comprises arc-shaped groove wheels and springs, and the arc-shaped groove wheels are connected through a center rod. The steps are as follows: filling; center tube and die core related component installation; machine head and die sleeve installation; and pushing and extruding. The application can make the insulation layer outside the conductor more compact, and avoid the bending phenomenon of the conductor during processing.

This invention discloses a TPR (Total Physical Resin) modified silicone material with high elasticity and fast rebound, and its preparation process. It is composed of the following raw materials in parts by weight: 100-120 parts of low-vinylmethyl vinyl silicone raw rubber, 20-30 parts of fumed silica, 10-20 parts of softening and modifying agent, 2.0-3.0 parts of peroxide curing agent, and 0.5-2.0 parts of silane coupling agent. The modified silicone material has a Shore hardness of 10-22A and possesses instantaneous rapid rebound characteristics. Using low-vinylmethyl vinyl silicone raw rubber as the base material, combined with specific amounts of softening and modifying agent (10-20 parts) and fumed silica (20-30 parts), through the synergistic effect of each component, the modified silicone material can still maintain high crosslinking efficiency and network structure integrity within the soft range where the Shore hardness drops to 10-22A.

The application discloses a long steel casing recovery device and a construction method thereof, and relates to the technical field of building engineering. The long steel casing recovery device comprises a rectangular part, which is used for fixedly installing at the upper end position of a casing body, and the radial dimension of the clamping part of the rectangular part is greater than the outer diameter dimension of the casing body; a torsion mechanism, the output end of the torsion mechanism is transmissionally connected with a clamping assembly, the output end of the clamping assembly is used for clamping and fixing the clamping part of the rectangular part, and the torsion mechanism is used for driving the rectangular part to rotate around the axis of the casing body through the clamping assembly; and a lifting mechanism, the output end of the lifting mechanism is transmissionally connected with the torsion mechanism, and the lifting mechanism is used for driving the casing body to rotate and axially move at the same time through the torsion mechanism. Through the torsion mechanism and the lifting mechanism, the casing body is rotated and lifted at the same time, the resistance load in the recovery process is obviously reduced, the force arm of the force exerted on the rectangular part by the clamping assembly is increased by means of the rectangular part, and the required force in actual operation is reduced.

The invention relates to the technical field of carton printing equipment, and discloses an automatic feeding device for carton color printing and a using method thereof. When the positioning shaft moves upwards, a second pushing plate can be driven to synchronously move upwards, at the moment, the second pushing plate rotates around the positioning shaft, the side wall of the second pushing plate and the side wall of a first pushing plate are located on the same plane when the second pushing plate integrally moves upwards, and at the moment, the side wall of the second pushing plate makes contact with the side wall of stacked paperboards; therefore, slight friction force can be generated when the second pushing plate moves upwards, upward acting force is applied to the paperboards, and the situation that when the stacked paperboards move towards the color printing device through a conveying belt at the top of the main body, the paperboards are conveyed obliquely, and the paper boards are conveyed obliquely is reduced. When the bottom paperboard moves, the paperboard located above falls down under the action of gravity and then makes contact with the bottom paperboard, so that part of the paperboards are folded, the side walls of the paperboards are kept flat, and the overall quality of automatic color printing feeding of the device on the paperboards is improved.

The double-cavity container filling and sealing method comprises the following steps that S1, a first rubber plug is additionally arranged in the middle of a container to divide the container into a first cavity and a second cavity, the first cavity is filled with a first material, and then a second rubber plug is additionally arranged for sealing; s2, the container is vertically placed on a sterilization disc, and then the sterilization disc is fed into a sterilization cabinet; and S3, turning over the sterilization disc by a set angle to enable the container to be in an inclined state, and then sterilizing. The invention further discloses a double-chamber container filling and sealing system which comprises a first filling and sealing device, a sterilization cabinet and a second filling and sealing device which are sequentially in butt joint, and a sterilization disc overturning mechanism used for driving the sterilization disc to overturn is arranged in the sterilization cabinet. The device has the advantages of being easy to operate, high in efficiency, beneficial to reducing the rubber plug displacement risk and the like.

The application discloses an oral cavity cleaning device and a driving device for oral cavity cleaning. The oral cavity cleaning device comprises a brush handle assembly and a treatment head. The brush handle assembly comprises a holding shell and a driving device. The driving device comprises at least a stationary part and a rotating part. The stationary part comprises a housing element and a stator support accommodated in the housing element. The inner wall surface of the stator support is provided with a plurality of accommodation tooth grooves, and the extension direction of the accommodation tooth grooves is parallel to a first axis. The rotating part comprises a power output shaft and at least two rotor assemblies located in the stator support. The at least two rotor assemblies are sleeved on the power output shaft and are sequentially stacked along the first axis. From the cross section perpendicular to the first axis, there is a preset dislocation angle between adjacent two rotor assemblies. The technical scheme provided by the application can increase the power and the load resistance of the driving device without increasing the volume of the brush handle assembly, so as to improve the oral cavity cleaning effect.

The utility model discloses an assembly type heat preservation and sound insulation board which comprises a main wall board and a line pipe assembled on the front side of the interior of the main wall board, an assembly clamping sleeve is fixedly installed on one side of the main wall board through a flexible board, an assembly protruding board is fixedly installed on the other side of the main wall board through a flexible board, and a threaded sleeve is fixedly installed on the back of the assembly clamping sleeve. The utility model relates to the technical field of assembly type wallboards. According to the assembly type heat preservation and sound insulation board, through cooperation of the flexible boards and the expansion joints, joints can be flexibly connected when the sound insulation board is assembled, vibration energy can be absorbed through flexible connection, force transmitted to a wallboard is reduced, structural damage is reduced, and cracking or falling caused by stress concentration can be avoided; and through cooperation of the wire pipes and the wire arrangement holes, wiring operation of workers in the later period is facilitated, and the situation that during wiring, the workers need to groove the surface of the sound insulation board manually, the overall structure is damaged, and the sound insulation and heat preservation performance is low is avoided.

The invention discloses a separation and combination method, a separation and combination mechanism, a land vehicle and traffic equipment, and relates to the technical field of traffic transportation. The land vehicle applied by the separation and combination method is provided with a telescopic mechanism, and the telescopic mechanism can stretch out and draw back relative to the land vehicle. The separation and combination method comprises the following steps that the telescopic mechanism is connected with the independent functional body; enabling the telescoping mechanism to telescope relative to the land vehicle at a first speed; the land vehicle moves relative to the independent functional body at a second speed which is opposite to the first speed, so that the moving speed of the independent functional body relative to the ground is reduced through the first speed and the second speed which are opposite in direction, and sliding friction of the independent functional body on the ground is reduced; the acting force of the ground on the structure where the independent function body is in contact with the ground is reduced, the deformation quantity and the friction loss quantity of the structure where the independent function body is in contact with the ground are reduced, and the service life of the structure where the independent function body is in contact with the ground is prolonged.

The utility model provides a height-adjustable river water quality detection buoy support, which belongs to the technical field of water quality detection and comprises a connecting box, a stable height adjusting component and a counterweight adjusting component, and the stable height adjusting component comprises a torque motor arranged on one side of the connecting box. Meanwhile, a torque motor drives a rotating rod to rotate, then a winding disc is driven to rotate, the winding disc releases the steel wire rope, parts at the bottom of the steel wire rope move downwards, height adjustment is achieved, and when maintenance is needed after adjustment is completed, the controller closes the torque motor and opens an electric telescopic rod, the electric telescopic rod drives a rack to clamp a gear, and then the rotating rod and the winding disc are limited; the rotating rod and the winding disc can be conveniently limited during use, the situation that the winding disc is stressed, so that an output shaft of the torque motor and the rotating rod suddenly rotate, then the winding disc rotates, and the water quality detector at the bottom suddenly falls is avoided, so that the aim of stably adjusting the height is fulfilled.

The application relates to a knee joint passive load-reducing wearing device which comprises a thigh binding device, a soft hydraulic telescopic device, a four-bar linkage movable joint, a lower leg binding device and a foot device, the thigh binding device is arranged above the knee joint, the soft hydraulic telescopic device is symmetrically arranged around the knee joint, the two ends of the soft hydraulic telescopic device are connected with the thigh binding device and the four-bar linkage movable joint through universal joint couplings, the four-bar linkage movable joints are symmetrically arranged on the left and right sides of the knee joint, the lower leg binding device is arranged below the knee joint, and the foot device is arranged below the lower leg binding device. The application utilizes the synchronism of the load bearing of the knee joint and the load bearing of the foot, adopts the soft shoe sole filled with liquid medium to drive the soft hydraulic telescopic device to deform and expand, so that the load-reducing effect is realized.

The utility model discloses a quick-open type heating furnace door, which comprises a mounting frame and a furnace door, the furnace door is in sliding connection with the mounting frame, a mounting seat is fixedly mounted on the mounting frame, a base is fixedly mounted in the mounting seat, a buffer plate is arranged above the base, the buffer plate is arranged corresponding to the furnace door, and the furnace door is arranged on the buffer plate. A plurality of sets of symmetrically-distributed supports are arranged between the buffer plate and the base, a first sliding rod is fixedly installed in the base, sliding blocks are rotatably installed at the lower ends of the supports and slidably connected with the base, a damping rod is fixedly installed between the sliding blocks and the base, and the damping rod is sleeved with a third spring. The buffering plate is matched with the support, the sliding block, the damping rod and the third spring to achieve the buffering protection effect on the furnace door approaching the bottom of the mounting frame at a high speed, and the heating furnace door is prevented from colliding with the mounting frame in the high-speed moving process.

The utility model discloses a mouse cage with an elastic cage frame, which relates to the technical field of mouse cages and comprises a central cage and a buffer column component, an upper plate component is arranged at the top of the central cage, and a base component is arranged at the bottom of the central cage. The buffer column assemblies are vertically installed at the four opposite angles between the upper plate component and the base component. According to the mouse cage with the elastic cage frame, the four groups of buffer column assemblies are vertically arranged between the upper plate component and the base component which are arranged on the upper side and the lower side of the central cage, and the elastic telescopic structures of the buffer column assemblies are utilized, so that good structural support can be provided for the whole cage, and meanwhile, energy absorption and buffering within a certain range can be realized; by matching with the structural arrangement of the upper plate component and the base component, the external acting force borne by the central cage can be effectively reduced, and the central supporting column plays a role in structural auxiliary supporting and elastic energy absorption.

The utility model provides a kind of traction type environmental protection anti-cracking fluid solidified soil backfilling machine, it is related to backfilling machine technical field, including tractor, further include quick hanging subassembly, quick hanging subassembly includes fixedly connected on the extension bar of tractor, fixedly connected with air store on extension bar, piston plate is slidably connected in air store, fixedly connected with sliding column on piston plate, first spring is fixedly connected on air store, disc is fixedly connected with sliding frame on first spring, disc bottom, rotatingly connected with rotating block on sliding frame, slidingly connected with triangular limit frame on rotating block. In the utility model, through air store inflation, sliding block is locked by rotating block, etc. Locking mechanism can ensure the stability of connection, cooperate the buffering effect of elastic component, under the premise of guaranteeing reliable connection, the ability to deal with turning and other working conditions is enhanced, the safety of equipment and personnel in construction process is guaranteed, the operation interruption caused by connection problem is reduced, and construction efficiency is improved.

This invention relates to the field of swing arm installation technology, specifically to a swing arm press-fitting method and system. The method includes moving the swing arm bushing and mounting sleeve to a positioning state, wherein the positioning state includes the outer circumferential surface of a positioning post abutting the inner circumferential surface of the mounting sleeve, a first engaging portion on the positioning post being detachably connected to a second engaging portion on a positioning tube, and the positioning post and the inner spring unit being spaced apart along the press-fitting direction; moving the bushing along the press-fitting direction to a completed state, during the bushing movement, after the first engaging portion and the second engaging portion separate, the bushing drives the inner spring unit to compress along the press-fitting direction via the positioning post. The maximum resistance along the springback direction caused by the connection of the first and second engaging portions to the bushing movement is less than the maximum resistance along the springback direction caused by the inner spring unit to the bushing movement. This solves the problem of bushing misalignment during swing arm press-fitting.