132results about How to "Stable and reliable work" patented technology

The invention provides a wave energy and ocean current energy integrated generator comprising an undersea guide caisson, a water turbine, a vibrating floater, a round void compartment, a fixing rack, a hydraulic integrated generating module, and three hydraulic cylinders. The water turbine is disposed in the undersea guide caisson. The vibrating floater disposed outside a transmission shaft of the water turbine floats on the water surface. The round void compartment is mounted on the transmission shaft and arranged above the vibrating floater. The fixing rack is arranged on the outer surface of the round void compartment. The hydraulic integrated generating module is disposed in the fixing rack. The hydraulic cylinders are disposed between the vibrating floater and the fixing rack and convert ocean current energy and wave energy from sea water into electric energy through the water turbine and the vibrating floater, respectively. The wave energy and ocean current energy integrated generator is capable of extracting wave energy and ocean current energy at the same time, the generating process is continual and controllable, the generator is high in operational reliability, output electricity quality is high, and economic efficiency is good; in addition, the invention further provides a power generation method using the wave energy and ocean current energy integrated generator.

The invention discloses a filing layered sedimentation monitoring device and method. The monitoring device comprises a bottom sedimentation monitoring unit, a middle sedimentation monitoring unit and a ground surface sedimentation monitoring unit which are buried in a soil layer to be monitored from bottom to top and are vertically arranged. Burying holes are formed in the soil layer to be monitored. An anchoring head is arranged under the bottom sedimentation monitoring unit. The bottom sedimentation monitoring unit, the middle sedimentation monitoring unit and the ground surface sedimentation monitoring unit are all provided with inclinometer pipes, extensible pipes arranged on the outer sides of the inclinometer pipes in a sleeving mode and displacement sensors installed on the upper portions of the inner sides of the inclinometer pipes. The monitoring method comprises the steps that firstly, drilling of the burying holes is conducted; secondly, the bottom sedimentation monitoring unit is installed; thirdly, the middle sedimentation monitoring unit is installed; fourthly, the ground surface sedimentation monitoring unit is installed; and fifthly, layered sedimentation monitoring is conducted. The filing layered sedimentation monitoring device and method are reasonable in design, convenient and easy to operate, convenient to bury, high in measuring precision and capable of effectively solving the problems that existing layered sedimentation monitoring equipment is large in equipment burying workload and low in measuring precision.

The invention discloses an eliminating and transferring device for a voltage-withstanding test of an electric heating tube shrinking machine and a test method, belonging to the field of electric heating tube machining devices. The eliminating and transferring device for the voltage-withstanding test of the electric heating tube shrinking machine comprises a work table (15), wherein an electric heating tube storage mechanism for an electric heating tube (13) to be tested is arranged at the front end of the work table (15); a single tube separation mechanism is vertically arranged on the back of the electric heating tube storage mechanism and fixed under the work table (15); an eliminating and transferring mechanism is positioned at the back of the single tube separation mechanism; a voltage testing mechanism, used for the voltage withstanding test of the electric heating tube (13), is horizontally arranged on the left side of the eliminating and transferring mechanism; the single tube separation mechanism, the voltage-withstanding test mechanism and the eliminating and transferring mechanism are controlled through a PLC (Programmable Logic Controller). According to the eliminating and transferring device for the voltage-withstanding test of the electric heating tube shrinking machine and the test method, the voltage-withstanding test is performed automatically on front of the electric heating tube shrinking machine; the electric heating tubes meeting the voltage-withstanding test are fed into the tube shrinking machine automatically; the unqualified electric heating tubes are eliminated.

This invention relates to one geography lift garbage stop, which comprises the following structure: shear lift structure bottom is put in pit and its top is located with bottom; the edit rack front is connected to same socket; the rack top roller is garbage box; the hydraulic cylinder is fixed between bottom and rack and the oil cylinder is fixed between rack and garbage box; the garbage box is located with oil cylinder pushed vertical push pedal. The garbage is sealed without dirt to improve circle environment to facilitate residents and to beautify city. The invention adopts garbage compressor machine with large capacity and small earth area and adopts hydraulic lift structure.

The invention discloses a knapsack emergency satellite communication servo system. The knapsack emergency satellite communication servo system comprises a knapsack bag, an antenna structure unit and an antenna detection unit; the antenna structure unit is arranged in the knapsack bag; the antenna detection unit is used for installing an antenna seat frame; the antenna structure unit comprises a satellite communication antenna, an antenna seat frame, a feed source assembly supporting part and an antenna operation platform; the antenna operation platform is a mobile carrier of the satellite communication antenna; an antenna operation control unit is arranged in the antenna operation platform; a pitch transmission mechanism and an orientation transmission mechanism are connected with the antenna operation control unit; the antenna operation control unit comprises a microprocessor and a driving circuit; the antenna detection unit comprises an antenna angle position detection unit, a GPS (Global Positioning System) positioning unit, an antenna carrier attitude detection unit and a satellite signal strength detection unit. According to the knapsack emergency satellite communication servo system, the structure is simple, the design is reasonable, the single person bearing can be achieved, the use and the operation are simple and convenient, the using effect is good, the satellite search process can be automatically achieved, the accuracy of the satellite alignment is high, the communication performance is excellent, and the communication guarantee is provided for the emergency disposal.

The invention discloses a P code catching method and a P code catching device. The method comprises the following steps that IF (intermediate frequency) signals and local carrier signals from a carrier generator are multiplied, and I-Q two-path base band signals with rest Doppler frequency are obtained; the base band signals are extracted to obtain base band data to be processed, and the base band data to be processed is stored according to the sub segment; the local P code is used as a tap coefficient, each sub segment is respectively subjected to partial PMF to obtain accumulation results, and the code phase searching is completed; the filtering results after the PMF processing is subjected to buffer memory, in addition, fast FFT is respectively carried out, the frequency spectrum analysis is realized, and the frequency searching is completed; the accumulation according to points is carried out after the parallel model delivery is respectively carried out on the output results of the FFT processing, M point incoherent accumulation results are obtained, and the caught results are found, wherein the caught results include but are not limited to the maximum correlation value, the second correlation value, the frequency, the phase, the paragraph and the like. The method and the device provided by the invention have the advantages that a PMF and FFT combination mode is adopted, the P code catching sensitivity is improved, and the catching speed is obviously accelerated, so the requirements of actual signals are met.

The invention relates to an automatic boxing machine, belongs to the field of automatic packaging equipment and mainly aims at cylindrical folding boxes of mouth-locking-type, mortise-lock-type and the like. The automatic boxing machine comprises a lower-layer box buckling device, an upper-layer box buckling device, a conveying device and an automatic boxing device, the automatic boxing device is arranged on one side of the tail of the lower-layer box buckling device, the upper-layer box buckling device is arranged above the lower-layer box buckling device, and the conveying device is connected with the lower-layer box buckling device and the upper-layer box buckling device respectively. By the automatic boxing machine, automatic box sealing of the cylindrical folding boxes of mouth-locking-type can be realized, and full automatization of boxing and box sealing can be realized; the automatic boxing machine is reliable in working process and high in working efficiency.

The invention discloses a crawler belt deformable running gear comprising a crawler belt, a return roller, a main frame, a driving wheel assembly, a main loading wheel assembly, and an inducer wheel assembly; the return roller is arranged on the top of the main frame, and can freely rotate around the fixed axis on the main frame; the driving wheel assembly is arranged on one side of the main frame through a hinge; the inducer wheel assembly is arranged on the other side of the main frame through a hinge; the main loading wheel assembly is arranged below the main frame; the crawler belt wraps the outer side of the return roller, the driving wheel assembly, the main loading wheel assembly and the inducer wheel assembly, and the crawler belt is supported by said units to form the shape; the driving wheel assembly and the inducer wheel assembly respectively comprise a telescopic driving assembly, and the shapes on the front side and / or rear side of the crawler belt can be changed by the telescopic motions of the telescopic driving assemblies. The crawler belt deformable running gear is simple in structure, easy to realize, wide in application scope, safe and reliable.

The invention discloses an automatic cooling method and automatic cooling equipment in the process of heating large forgings. The automatic cooling equipment in the process of heating the large forgings mainly cools the large forgings through blast blowers aiming at the heat treatment of forgings such as large spindles and the like; and by measuring the temperature of the large forgings, the number and rotating speed of the blast blowers participating the cooling work are automatically controlled, and when preset time (temperature) is achieved, an automatic control system stops the work of the blast blowers and the cooling process is finished. Through the invention, the large forgings can be cooled according to a cooling curve, no deviation is ensured, and the cooling process is accurately controlled. The invention can be applied to the heat treatment cooling process of large spindle forgings, and also can be applied to the field of machining requiring accurate control of the cooling process.

The invention belongs to the technical filed of engines, and relates to a V-shaped engine. The V-shaped engine comprises an engine body. The free end of the engine body is provided with an upper gear chamber body and a lower gear chamber body which are matched with each other. The lower gear chamber body is provided with an upper gear body oil pipe external device. The other end of the engine body is provided with an engine supercharging and mid-cooling structure. The middle of the engine body is a V-shaped air cylinder. The two sides of the top of the V-shaped air cylinder are symmetrically provided with a plurality of oil spray devices. The oil spray devices on each side are connected in series through a set of high-pressure oil pipes. The two sets of high-pressure oil pipes are connected through a wire harness pipe. The end of the outer side of the wire harness pipe is communicated with a common rail pump arranged on the bottom face of the lower gear chamber body. According to the V-shaped engine, structure improvement is conducted on a cooling system of an existing engine, reliability and stability of the engine in the working process are guaranteed, and cooling is reliable.

The invention belongs to the field of cable installation matching equipment and particularly relates to a cable pulling device. The cable pulling device comprises an annular sleeving part and a clamping part. The profile of the clamping part is a cone cage-shaped fence. Each clamp rod on the clamping part can synchronously leave or approach the axis of the annular sleeving part along the radial direction of the annular sleeving part in a reciprocating manner. The minimal inner diameter of the clamping part is smaller than the outer diameter of a to-be-pulled cable body, and the maximal inner diameter is larger than or equal to the outer diameter of the to-be-pulled cable body. The outer wall of the annular sleeving part is provided with a handle part. A large-diameter port of the annular sleeving part, at the clamping part, is provided with notch grooves. The profile of each clamp rod is straight, each clamp rod is positioned in one notch groove, and a body of each clamp rod is hinged to groove walls at two sides. The axis of a hinged shaft formed by each clamp rod and one notch groove is vertical to the axis of the annular sleeving part. The cable pulling device also comprises an elastic reset unit. The cable pulling device is convenient to use and high in operational efficiency, and can effectively solve a problem that distortion of a cable body is accumulated when a traditional cable is pulled.

The invention relates to a bolt tightening system capable of precisely positioning the axis of a bolt hole. The bolt tightening system capable of precisely positioning the axis of the bolt hole comprises a rotating platform, a centering cone shaft, a bolt clamping device and a tightening device; a V-shaped rotating frame is arranged on the rotating platform; a V-shaped included angle of the V-shaped rotating frame is fixedly connected with the rotating centre of the rotating platform; the centering cone shaft and the bolt clamping device are respectively arranged at the tail ends of the two arms of the V-shaped rotating frame; the distances between the axis of the centering cone shaft as well as the axis of the bolt clamping device and the axis of the rotating centre are equal; and the axis of the centering cone shaft, the axis of the bolt clamping device and the axis of the rotating centre are parallel to one another in pairs in space. According to the bolt tightening system capable of precisely positioning the axis of the bolt hole provided by the invention, the axis of the bolt hole can be further positioned precisely to align a bolt with the bolt hole quickly to complete tightening work of the bolt.

The invention provides a high-pressure gas cylinder conveying steering device and relates to the technical field of assembly line material conveying equipment. The high-pressure gas cylinder conveying steering device comprises a base, a rotary worktable arranged above the base, and a rotary worktable driving module. The rotary worktable driving module is arranged under the rotary worktable and connected with the base; the rotary worktable is provided with a reversing plate for pushing high-pressure gas cylinders, and the reversing plate is connected with a reversing plate driving module. According to high-pressure gas cylinder conveying steering device, the rotary worktable driving module and the reversing plate driving module supply power to the rotary worktable and the reversing plate; by means of the collaborative action of the rotary worktable and the reversing plate, the function of reversing gas cylinders without operations of specially-assigned personnel can be achieved; meanwhile, the gas cylinders are supported by the rotary worktable for reversion, so that the entire working process can be stable and reliable and avoid fall-off of the gas cylinders.

The invention relates to a centrifugal force drive based drawing device for equipment in a pipeline, which comprises a bracket, a centrifugal force generating mechanism and a motion locking mechanism, wherein the bracket is sleeved in a pipeline; the centrifugal force generating mechanism comprises a drive motor and more than one set of eccentric block rotating assembly; the motion locking mechanism comprises an adjusting motor and more than four groups of connecting rod assemblies which are fixed on a stand along the circumferential direction of the pipeline; both ends of each screw rod in the connecting rod assemblies are respectively sleeved on a fixed rocker seat and a screw rod fixed seat; a floating rocker seat is sleeved on the screw rod by thread fit; one end of a fixed rocker is articulated on the fixed rocker seat, and the other end of the fixed rocker is connected with one end of a floating rocker by a connecting rod; the other end of the floating rocker is articulated on the floating rocker seat; a wedge block is fixed on the connecting rod; when the screw rods in all the connecting rod assemblies rotate towards the same direction, the motion directions of the floating rocker seats in the adjacent connecting rod assemblies are opposite. The invention has the advantages of simple and compact structure, low cost, stable and reliable work, wide application range, and the like.

The invention discloses a bearing grinding equipment, comprising a base, the lower end of the base is provided with support legs, the upper end of the base is provided with two support rods, the upper ends of the two support rods are provided with a fixed rod, and the fixed rod The middle part of the lower end of the electric slide rail is provided with a slider, the lower end of the slider is provided with a telescopic oil cylinder, the telescopic end of the telescopic oil cylinder is provided with a grinding device, and the upper end of the base is provided with a Two mounting plates, the upper ends of the two mounting plates are provided with fixed blocks and cylinders with openings at both ends, the upper ends of the fixed blocks are provided with fan-shaped disks on both sides, and the two fan-shaped disks are fixed There is a rotating shaft. The invention has reasonable structural design, simple operation, reliable and stable operation, is suitable for small enterprises, has higher working efficiency than ordinary grinding equipment, and has good safety performance.

The present invention relates to a focusing and zooming system based on FPGA, which comprises a level switch circuit, an optocoupler, an optocoupler configuration circuit, a programmable logic device FPGA, a focusing and zooming drive circuit. A man-computer interaction module sends a focusing and zooming command to the programmable logic device FPGA through the level switch circuit. The programmable logic device PFGA sends motor positive and negative rotation control logic to the focusing and zooming drive circuit according to the control command sent by the level switch circuit, and provides a voltage value required by the positive and negative rotation of the motor. When the focusing and zooming motor controls the camera to rotate to the limited position, the optocoupler used as a sensor sends a position limitation signal to the FPGA module so that the FPGA module quickly sends motor rotation stopping logic to the focusing and zooming drive circuit. Because the core of the whole control process is realized by the programmable logic device FPGA, compared with the singlechip, the parallelization of the focusing process and the zooming process is realized, and the phenomenon that the circuit is burnt because of the locked rotor of the motor is avoided, the degree of stability of the system is simultaneously improved and the cost is reduced.

The invention provides an unsymmetrical ring blank precise high-efficiency cold-extruding forming method, and belongs to the technical field of cold extrusion. The method comprises the steps of pipe-cutting blanking, surface phosphorus saponification treatment, ring cold-extruding forming and turning post-treatment, specifically, in the step of surface phosphorus saponification treatment, firstly, a shot blasting machine is used for conducting shot blasting pretreatment on the surface of a ring blank, and then the process steps of washing, phosphatizing, washing, saponifying and drying are sequentially completed; and in the step of ring cold-extruding forming, an automatic feeding machine is adopted to conduct feeding, and the ring blank is conveyed to a cold-extruding punch press to be subjected to cold extruding. According to the unsymmetrical ring blank precise high-efficiency cold-extruding forming method, the equipment invested cost is low, the technological process is short, and energy consumption is low.

The invention discloses a hydraulic pushing driving device in a piston pushing centrifuge which is simple in installment and can improve the reliability. The hydraulic pushing driving device comprises a cylinder body and a pushing rod arranged inside the cylinder body in a penetrated mode; a piston is sleeved on the pushing rod in the inner cavity of the cylinder body; an oil line reversing drum is arranged between the piston and the pushing rod; the piston consists of a piston body and piston seats placed at the two ends of the piston body; mutually matched oil lines are arranged among the piston, the oil line reversing valve, the cylinder body and the pushing rod; and a reversing driving rod for switching the reversing oil lines of the oil line reversing drum is arranged between piston seats in a penetrated mode. According to the hydraulic pushing driving device in the piston pushing centrifuge, the hydraulic pressure distribution and the reversing components are skillfully integrated in the piston cylinder body, so that a reversing motion and a pushing reciprocating motion are simultaneously finished; with the adoption of the integrated structure, the installment of the whole pushing driving device becomes very simple, and the non-blind area reversion of the oil line reversing drum is achieved, so that the working process is very stable and reliable; and the pollution of the material in the rotary drum because of oil leakage can be avoided.

The invention discloses a vibration and oscillation composite type road roller steel wheel which comprises a hollow wheel body, a hydraulic driving mechanism, two wheel racks, a vibration shaft and two oscillation shafts, wherein the hydraulic driving mechanism is used for driving the hollow wheel body; the wheel racks are symmetrically arranged on the left side and the right side of the hollow wheel body; the vibration shaft is mounted in the middle of the inner side of the hollow wheel body; the oscillation shafts are symmetrically distributed on two sides of the vibration shaft; an overrunning coupler is mounted on the vibration shaft; driven gears are mounted on the oscillation shafts and are connected with the overrunning coupler; eccentric mechanisms are arranged on the outer sides of the oscillation shafts; a left mounting plate and a right mounting plate are symmetrically arranged inside the hollow wheel body; a driving disc which is in transmission connection with the hydraulic driving mechanism is mounted on the left mounting plate; a clutch driving mechanism in transmission connection with the right end of the vibration shaft is mounted on the right wheel rack. The vibration and oscillation composition road roller steel wheel is simple in structure, reasonable in design, simple and convenient to operate, good in use effect and flexible in use and operation mode, vibration and oscillation functions are integrated, and the problem that a conventional road roller steel wheel can only vibrate or oscillate can be effectively solved.

The invention relates to an assembly device and method of a steel wire screw sleeve. According to the assembly device and method, a series of problems existing in the manual installation of the steelwire screw sleeve, such as the low qualified rate, low efficiency and easy happening of tooth skipping are solved. The assembly device comprises a chuck, sliding screw rods and a screw rod core; the chuck is connected with a tightening device through a quick change interface which can rotate forward and backward in the axial direction of the quick change interface; the three sliding screw rods areuniformly distributed on the chuck, and can move radially and synchronously along the chuck to tightly support and fix the steel wire screw sleeve; centers of the chuck and the sliding screw rods penetrate through the screw rod core, and the screw rod core can move in a straight line in the axial direction of the chuck to the tail end to fix an installation handle of the steel wire screw sleeve and support the sliding screw rods; and the above three parts work in cooperation to achieve the installation of the steel wire screw sleeve. According to the assembly device, by changing the sizes ofthe sliding screw rods and the screw rod core, the installation of the steel wire screw sleeves with various sizes is achieved very conveniently, and the diversified requirements can be met.

The invention discloses a built-in oil pump motor. The built-in oil pump motor comprises a stator iron core and a rotor and is directly arranged in an oil pump, wherein windings and a connection line are arranged on the stator iron core, the stator iron core is formed by welding and laminating a group of stator punching sheets with stator grooves, the rotor is formed by aluminum-casting and lamination of a group of rotor punching sheets with rotor grooves, rotor end rings are respectively arranged at two ends of the rotor, a temperature sensor is arranged between the windings, and coils of the windings are formed by winding composite enameled wires. The oil pump motor is not provided with an enclosure and is directly arranged in the oil pump, thus, the whole structure of the oil pump is compact, and the volume of the oil pump is reduced; and the temperature is pre-buried between the windings, the temperatures of the windings are conveniently monitored and controlled during running of the oil pump motor, so that the safe running of the motor is ensured.

The invention discloses an erecting construction process for a large-span steel-concrete combination beam. The constructed steel-concrete combination beam comprises a main beam body and a concrete bridge deck slab paved on the main beam body. The main beam body is a steel beam body and comprises a mid-span beam section and two side-span beam sections. The mid-span beam section and the two side-span beam sections are connected through initial beam sections. The erecting construction process for the steel-concrete combination beam comprises the steps that 1, the initial beam sections are erected; and 2, the mid-span beam section and the two side-span beam sections are erected, specifically, the mid-span beam section and the two side-span beam sections are erected through section suspended splicing beam lifters; when erected, the mid-span beam section is erected through the two section suspended splicing beam lifters from the two sides to the middle till the mid-span beam section is closed; when erected, the two side-span beam sections are erected through the two section suspended splicing beam lifters correspondingly. According to the erecting construction process for the large-span steel-concrete combination beam, the steps are simple, the design is reasonable, construction is easy and convenient, and the using effect is good; the erecting process of the steel-concrete combination beam can be easily, conveniently and rapidly competed through the section suspended splicing beam lifters.

The invention relates to an automatic screen-retracting device of an air conditioner. The automatic screen-retracting device of the air conditioner comprises a face shield, a screen-unwinding shaft, a screen-retracting shaft, a drive mechanism and filter screens, wherein the face shield, the screen-unwinding shaft, the screen-retracting shaft, the drive mechanism and the filter screens are installed on an air conditioner host. The filter screens are wound on the screen-unwinding shaft in rolls; and the outer ends of the filter screens are connected to the screen-retracting shaft which is connected with the drive mechanism. The automatic screen-retracting device of the air conditioner is simple in structure, reasonable in design, small in occupied space, low in process requirement, low in manufacturing cost, and reliable and stable in working process. The drive mechanism drives the screen-retracting shaft to rotate for winding the old filter screen back onto the screen-retracting shaft, and at the same time, the new filter screen is drawn out from the screen-unwinding shaft, so that the automatic replacement of the air conditioner filter screens is achieved, the cleanliness of the filter screens of an air inlet part of the air conditioner and the efficient air filtering effect of the air conditioner are guaranteed, the cleanliness of indoor air is guaranteed, and the great significance to providing a sanitary and clean living environment for a user is achieved. Only one time of dismounting, cleaning and replacing of the filter screens is required within a set time period, frequent dismounting, cleaning and replacing of the filter screens of the air conditioner are not required, and great convenience is provided for the user.

The invention relates to the technical field of test equipment and discloses an uninterruptible power supply door operator for refrigerator door test. The uninterruptible power supply door operator comprises a fixation connection device for fixing a test refrigerator, a door opening connection device for connecting a refrigerator door, a power device fixedly arranged on the fixation connection device and used for driving the door opening connection device, and an uninterruptible power supply module for providing power supply to the power device. The uninterruptible power supply door operator can prevent the case of power supply abnormity, provides steady and uninterrupted power supply, realizes fast matching of various types of refrigerators and well solves the problem of refrigerator dooropening and closing track matching, is convenient and fast to install, can realize automatic repeated opening and closing of upper and lower doors of the refrigerator, and is high in safety stabilitycoefficient, low in failure rate, not easy to damage the refrigerator, high in automation degree, simple in structure and low in cost.

The invention discloses an automatic identification learning method based on a learning-type remote controller, which is characterized in that automatic learning can be realized by one key, clear state indication is shown during the learning process, and operation is simple. The method comprises the following steps: pressing the automatic identification key of the learning-type remote controller to enter into an automatic identification state; pressing a key of a being-learned remote controller, emitting a coding signal of the key from the being-learned remote controller to the learning-type remote controller; detecting the key code of the being-learned remote controller by the learning-type remote controller, searching the coding databases corresponding to different control equipment in the coding database stored by the learning-type remote controller; repressing the other keys on the being-learned remote controller, emitting the coding signal of the key from the being-learned remote controller to the learning-type remote controller; detecting the key code of the being-learned remote controller by the learning-type remote controller; searching in a novel reference coding database; and exiting thorough hand operation. The hand operation key can be the automatic identification key of the being-learned remote controller.

The invention discloses a rivet feeding device for a wine box package riveting machine. The rivet feeding device comprises a rivet separating mechanism, a rivet turning and conveying mechanism, a clamping and separating mechanism, a rivet conveying rack and a rivet flow passage, wherein the rivet flow passage is fixedly arranged on a rivet flow passage fixed seat through bolts; the rivet flow passage fixed seat is riveted or welded with the rivet conveying rack; the tail end of the rivet flow passage is provided with the rivet separating mechanism; the rivet turning and conveying mechanism is arranged below the rivet separating mechanism; a clamping block is arranged on the rivet turning and conveying mechanism and is in floating connection with the clamping and separating mechanism below the clamping block under the driving of the rotating shaft; the clamping and separating mechanism is fixedly arranged on the rivet conveying rack by using bolts. The device has the advantages of high degree of automation, stable work, high reliability and capabilities of reducing the labor cost and improving the economic benefit of enterprises.

The invention discloses an anti-rotation structure and a method for a hydraulic cylinder. The anti-rotation structure for the hydraulic cylinder comprises a piston and a piston rod arranged in a main body of the closed hydraulic cylinder, one end of the piston rod is connected with the piston, and the other end of the piston rod penetrates out of the main body of the hydraulic cylinder. According to the method, one end of the piston rod is connected with a non-central part of the piston, and the axial lines of the piston rod and the piston are made in parallel. By improving the structure of the hydraulic cylinder, particularly adopting eccentric combination of the piston and the piston rod, the diameter of the tube of the hydraulic cylinder needs not to be increased to solve the problem of rotation of the traditional hydraulic cylinder in the piston rising process. Meanwhile, the problems of technical risks, significant cost increase and the like caused by adding a guide rod, changing the state of the piston rod, adopting a sleeve type cylinder and using other schemes can be avoided. Moreover, the device has the advantages of simple structure, convenience int operation, high reliability and low cost.

The invention discloses an automatic material receiving and stacking machine for automatic double-type circular cutter cutting machines. The automatic material receiving and stacking machine comprises chains, a frame, an active motor and a guide device, wherein the active motor is mounted at the top end of the frame; and the guide device is mounted on the frame. The automatic material receiving and stacking machine is characterized in that reducers are arranged on the left side and the right side at the top end of the frame; the input shafts of the reducers are connected with transmission shafts; passive sprockets are arranged at both ends of a transmission shaft; the passive sprockets are connected with the chains, and the other ends of the chains are connected with the guide device; and a retainer plate is arranged on the guide device. The automatic material receiving and stacking machine for automatic double-type circular cutter cutting machines provided by the invention has a high production efficiency, so that the amount of front-line workers is reduced, the labor intensity of the workers is lowered, the workers are protected from being hurt, and the counting is more accurate.

The invention relates to the technical field of lateral core-pulling mechanisms, in particular to a lateral secondary core-pulling injection mould applied to coffee machine handle production. The keypoint of the technical scheme is that a lateral secondary core-pulling mechanism is mounted on a movable mould, wherein the lateral secondary core-pulling mechanism comprises a lateral pulling slide block, a slide block, a rear slide block and an inclined guide post, the lateral pulling slide block is mounted on the movable mould in a sliding mode in the horizontal direction, the top end of the inclined guide post is mounted on a fixed mould, the bottom end of the inclined guide post is arranged in the lateral pulling slide block in a penetrating mode, and is movably spliced into a splicing slot, the slide block is assembled inside the lateral pulling slide block in a sliding mode, a spring II is transversely connected in the lateral pulling slide block, the rear slide block is assembled inside the lateral pulling slide block in the sliding mode, core-pulling clearances are arranged on positions, at the upper and lower sides of the rear slide block, inside the lateral pulling slide block, and small slides are arranged on positions, at the upper and lower sides of the slide block, inside the lateral pulling slide block. The lateral secondary core-pulling injection mould has the advantages of being simple and convenient in mounting, reliable in work, convenient in maintenance and wide in range of application.