64results about How to "Avoid unbalanced load" patented technology

The utility model discloses a squat silo multipoint discharging device, which relates to the technical field of bin discharging and comprises a distributing bin arranged at a feeding port above a squat silo, a central blanking pipe is arranged at the bottom of the distributing bin and communicated with a cavity of the distributing bin, and the distributing bin is provided with a discharging port. A discharging port of the center discharging pipe right faces the middle position in the squat silo, the center discharging pipe is used for laying the bottom of the squat silo, a plurality of side elephants are further arranged on the side wall of the material distribution bin in a downward inclined mode around a shaft and communicated with a cavity of the material distribution bin, the free ends of the side elephants extend towards the side wall of the squat silo, and the center discharging pipe is arranged on the side wall of the material distribution bin. A plurality of blanking openings are formed in the side articulated chutes in the length direction, a first pneumatic valve and a second pneumatic valve are arranged at the positions where the center blanking pipe and the side articulated chutes communicate with the distributing bins correspondingly, and the center blanking pipe and the side articulated chutes are used for blanking in a matched mode, so that materials are evenly stacked; and the problems of serious material grading and unbalance loading of the silo wall existing in the original single blanking point are reduced.

The invention provides a high-thrust backing-up gas turbine sliding thrust bearing with a silver coating. The high-thrust backing-up gas turbine sliding thrust bearing comprises a shell, an oil supply isolating ring and tiles. An oil supply isolating ring is mounted on the shell; the tile blocks are mounted in the oil supply isolating ring; the tile block is provided with an inclined surface and can be rotationally adjusted around a fulcrum; the tile block pouring is made of lead bronze, and silver is plated on the surface of the lead bronze. The coating material of lead bronze and silver plating is adopted, the manufacturability of the coating material is improved, the working temperature of the sliding bearing is greatly increased, and the stability and firmness of the coating at the high temperature are guaranteed. The sliding bearing can realize forward and reverse rotation under the conditions of high temperature, high speed and large load, has very high stability and reliability, fills the blank of the design of the sliding bearing of the domestic high-power gas turbine capable of reversing, and provides a reference and a design thought for the design of the gas turbine with higher power in the future.

The invention provides a Babbitt metal thickened sliding thrust bearing for a gas turbine capable of reversing. The Babbitt metal thickened sliding thrust bearing comprises a shell, an oil supply isolating ring and a tile block, an oil supply isolating ring is mounted on the shell; the tile blocks are mounted in the oil supply isolating ring; the tile block is provided with an inclined surface and can be rotationally adjusted around a fulcrum; the tile coating is made of tin-based babbitt metal with a thickened coating of 5-10 mm. The sliding bearing can realize forward and reverse rotation under the conditions of high temperature, high speed and large load, has very high stability and reliability, fills the blank of the design of the sliding bearing of the domestic high-power gas turbine capable of reversing, and provides a reference and a design thought for the design of the gas turbine with higher power in the future.

The invention relates to the technical field of automobile part carrying equipment, in particular to an engine cylinder block automatic offline carrying gripper and a carrying method. Comprising a clamping jaw mounting bracket, a partition plate clamping device and a workpiece clamping device, and the upper end of the clamping jaw mounting bracket is connected with a robot; the partition plate clamping device comprises a first mounting plate connected with the lower end of the clamping jaw mounting bracket; two groups of partition plate clamping jaws are arranged on the two transverse sides of the first mounting plate; the partition plate clamping jaw is connected to the first mounting plate in a manner of moving in the vertical direction and the transverse direction; the workpiece clamping device comprises a second mounting plate fixed on the first mounting plate; two groups of workpiece clamping jaws are arranged on two longitudinal sides of the second mounting plate; and the workpiece clamping jaw is connected to the second mounting plate in a manner of moving along the longitudinal direction. The carrying gripper is simple in structure, adopts modular integrated design, has the advantages of compact structure, small size, light weight, multiple functions, high bearing capacity, unbalance loading avoidance and the like, and combines the functions of partition plate clamping and workpiece clamping.

The present invention relates to a turntable, wherein a through hole is provided at the center of the rotating table surface of the turntable as a seat hole, and a base is connected to the rotating table surface through a main shaft and a bearing group arranged in the seat hole, and the main shaft is assembled in the center hole of the base, and a secondary plane thrust bearing is arranged on the base outside the main shaft, and one end face of the end faces at both ends of the rotating table surface is a working plane, and the other end face is supported by the secondary plane thrust bearing, and a first outer cylindrical step is also arranged between the end faces at both ends of the rotating table surface, and a main support body is arranged on the base at the periphery of the secondary plane thrust bearing, and a main plane thrust bearing is assembled between the main support body and the first outer cylindrical step, and three or more deceleration grooves arranged in a central symmetrical manner are opened on the large end ring surface of the first outer cylindrical step. The double slewing support system of the turntable has a strong load capacity, a simple structure, and is easy to manufacture, process, transport and install, and is particularly suitable for application under large diameter and heavy load conditions.

The invention relates to the field of agricultural product processing equipment, in particular to a phase adjusting structure and an automatic adjusting tea frying machine based on the phase adjusting structure, the phase adjusting structure comprises a driving part and a transmission assembly, the transmission assembly comprises a transmission shaft, a connecting rod group and a swing rod, and the phase adjusting structure further comprises an eccentric wheel, the screw rod and screw sleeve adjusting mechanism is used for adjusting the distance between the fulcrum of the swing rod and the eccentric wheel, so that the initial angle and the swing amplitude of the frying plate are adjusted. The machine further comprises a rack, a controller and a frying plate; the synchronous belt transmission part is connected with the movable part; and the manual driving part and the automatic driving part are connected with the synchronous belt transmission part. The whole rigidity is effectively improved, vibration in the operation process is restrained, the repeated precision of the motion trail of the frying plate is guaranteed, the service life of the structure is prolonged, complexity and control redundancy of the mechanical structure are avoided, automatic adjustment is achieved, the machining efficiency is higher, and safety is higher.

The application relates to the technical field of mechanical clamping tools, and discloses a novel clamp for coil mold closing, which comprises a strip-shaped plate, a clamping plate, a sleeve, a rotating rod and a protective cover. The clamping plate and the sleeve are arranged at the lower end of the strip-shaped plate, and a hollow area is arranged between the clamping plate and the sleeve to reduce the weight; the rotating rod is in threaded connection with the sleeve, and one end of the rotating rod is a clamping end opposite to the clamping plate; the protective cover is in closed or semi-closed space cooperation with the strip-shaped plate, and the sleeve and the rotating rod are partially covered in the protective cover, so that the protective cover can effectively prevent resin from polluting threads during pouring. The novel clamp is designed in a lightweight and integrated protective integrated mode, the problems of the traditional clamp, such as large volume, easy thread jamming and low installation efficiency, are solved, and the efficiency and reliability of mold closing operation are remarkably improved.

The motor one-way damper comprises a linkage wheel, a linkage block and a brake wheel, the linkage wheel is sleeved with the brake wheel, the linkage block can be movably arranged on the linkage wheel, the linkage block is provided with a linkage part, a pushing part and a brake part, the linkage part is used for being rotationally connected with a motor shaft of a motor, and the pushing part is used for pushing the brake part to move. The pushing part is used for pushing the linkage wheel to rotate along with the motor shaft, and the braking part is used for being matched with the braking wheel to achieve braking; when the motor shaft of the motor rotates forwards, the motor shaft is in linkage with the linkage part to drive the pushing part to push the linkage wheel to rotate along with the motor shaft, and at the moment, the brake part cannot be matched with the brake wheel; when the motor shaft of the motor rotates reversely, the motor shaft is in linkage with the linkage part to drive the brake part to move towards the brake wheel till the brake part is matched with the brake wheel to achieve braking, and the motor shaft stops rotating. The device realizes an automatic braking function when the motor rotates reversely, and is simple in structure, small in occupied space and convenient to integrate on the motor.

The utility model discloses a kind of high-efficiency cold extrusion processing devices of universal shaft spline, it is related to machining technical field, including processing base, the top eccentricity of processing base is fixedly installed with four guide rods in rectangular array, the top of four The guide rod is fixedly installed with top plate, the top center of processing base is provided with universal shaft positioning mechanism, the upper portion of universal shaft positioning mechanism is provided with down mechanism, and the down mechanism includes down plate.The utility model spline cold-pressing die adopts modular design, realizes radial positioning by the attachment of limiting ring and down plate bottom, axial fixation is completed by the thread connection of limiting disc and fixed bolt and bolt hole on top, traditional overall disassembly bolt mode is simplified, only need to loosen single fixed bolt can replace die, substantially reduce die-changing time, simultaneously, different specifications of spline cold-pressing die can be equipped with limiting ring unified size in advance, realize that it is disassembled and installed, significantly improve production line flexibility and production efficiency.

The utility model relates to a kind of bush type air expansion shaft, comprising: always fill air expansion shaft;Bushing expansion piece is set in the large diameter end of the always fill air expansion shaft, and its outer ring is polygonal structure;And reel is set in the outside of the bushing expansion piece and is lifted inner wall by the edge of the polygonal structure when the bushing expansion piece tightens.Compared with prior art, the utility model has the advantages of preventing reel slip, improving winding stability, improving product yield, etc.

The invention relates to a balancing cabin for a Ferris wheel, comprising a rotating cabin body, at least one inner ring is sleeved on the rotating cabin body, and an outer ring for fixed connection with the turntable of the Ferris wheel is sleeved on the inner ring; a running track is arranged on the outer ring or the inner ring, and a plurality of wheel train components rolling in contact with the running track are arranged around the inner ring or the outer ring so that the inner ring of the rotating cabin body can rotate relative to the outer ring. The design of the pod is adopted to achieve the effect of the balancing cabin; the wheel train component is adopted to replace the slewing bearing, which effectively reduces the equipment cost, and the maintenance and replacement of the wheel train component is easier; the wheel train component has its own power system to prevent the rotating cabin body from being overloaded or causing other unfavorable conditions in other working conditions, and can effectively ensure the self-balancing of the rotating cabin body; the outer ring is fixedly connected to the turntable of the Ferris wheel through a flange, eliminating the cabin hanging structure, and effectively reducing the equipment cost.

The invention relates to the technical field of power transmission of wind turbine generators, in particular to a multi-path high-current bus power transmission device applied to a high-capacity high-current wind turbine generator, which comprises a shunting component, a power transmission component and a power transmission component, wherein the shunting loop comprises a first loop, a second loop and a third loop, and the first loop, the second loop and the third loop are connected in parallel; and the connecting assembly comprises connecting bars which are respectively connected with the first loop, the second loop and the third loop. The beneficial effects of the invention are that the in-phase conductors in the conducting members are led out through the leading-out terminals and are connected in parallel, and the conducting members are further connected with the in-phase conductors in the conducting members through the connecting bars, so that electric energy can be shunted through the conductors in a plurality of loops, the conductor load is balanced, and the service life of the conducting members is prolonged. When a certain loop joint has a reliability problem, the current is shunted to other loops through the connecting bar so as to prevent accidents.

This invention belongs to the field of high-voltage insulation testing of solid-sealed poles, and relates to a three-position opening distance tooling for solid-sealed poles and its usage method. It includes: a top cover; a sleeve assembly, the sleeve assembly comprising a sleeve body, a cam mechanism, and a handle; wherein the top cover is slidably connected to the sleeve body and can move axially relative to the sleeve body; the cam mechanism is hinged to the sleeve body and has at least three transition structures; the handle is drivenly connected to the cam mechanism; by rotating the handle, the cam mechanism is driven to rotate, and the different transition structures of the cam mechanism respectively drive the top cover to move relative to the sleeve body to a position corresponding to a different preset opening distance. A single device enables rapid switching of at least three different opening distances, thereby adapting to the different opening distance requirements of various high-voltage insulation tests and significantly improving the versatility of the tooling. It solves the problem of existing solid-sealed pole product opening tooling having many types and time-consuming and labor-intensive installations.

The invention belongs to the technical field of cranes, and particularly relates to a turbine worm slewing mechanism and a crane. An outer ring of a turbine slewing bearing is fixedly connected to a frame, an inner ring of the turbine slewing bearing is connected with a rotary table, a worm is rotationally connected with the rotary table and meshed with the outer ring of the turbine slewing bearing, a power mechanism is arranged on the rotary table and connected with the worm, and the free sliding and rotating assembly is further included. A worm and a worm gear slewing bearing are matched with a motor for driving, so that the rotary table can be locked at any position, the structural micro-motion performance is good, and rotary shaking and start-stop impact are effectively improved; the worm and worm gear slewing bearing combination is large in transmission ratio, a speed reducer does not need to be arranged, and the structure is more compact and light; through the arrangement of the free sliding and rotating assembly, the driving piece drives the worm to move in parallel, the worm can be disengaged from the outer ring of the worm gear slewing bearing, self-locking is eliminated, free sliding and rotating of the rotary table are achieved, and unbalance loading is prevented.

This utility model relates to a wellhead double-seal packer, belonging to the technical field of oil extraction equipment. It includes a packing box, lower sealing packing, an elastic compensation ring, a lower packing gland, an upper sealing packing, and an upper packing gland. The elastic compensation ring comprises an upper compensation ring and a lower compensation ring with conical pressing surfaces. Multiple guide posts are evenly distributed at the bottom of the upper compensation ring, and compensation rubber sleeves are fitted onto the guide posts. The upper and lower connecting flange rings are connected by locking bolts. This utility model, with its double-seal packing and elastic compensation ring, automatically compensates for gaps after wear, improving sealing reliability and reducing leakage rate by over 90%. The compensation spring and rubber sleeve work together to adapt to vibration and pressure changes under different well conditions. The guide posts, stepped holes, and limiting nut structure of the elastic compensation ring provide radial constraint and axial compensation movement space for the compensation ring, ensuring that the compensation force always acts axially on the sealing packing, avoiding force dispersion or uneven loading due to vibration.

The utility model is suitable for high -voltage switch cabinet technical field provides a kind of high-voltage switch cabinet grounding switch operating mechanism, including cabinet and the grounding switch working part in the cabinet of cabinet, the outside of cabinet is provided with sector recess, first limit rod, second limit rod are fixed in sector recess, the utility model adopts the gear rack structure of straight-toothed wheel and straight-toothed surface engagement, converts rotation movement into linear motion, then through first, second limit rod is positioned with auxiliary, while maintaining transmission efficiency, maintain force balance, avoid the local stress concentration problem of gear, and horizontal shift rod is slidably connected with the inner wall of cabinet by slide, provides stable guiding support, reduces the deviation or jam in transmission process, improves reliability, through the cooperation dispersion operating torque of gear rack and elastic component, reduce handle operating resistance, prolong component life, ensure that automatic locking after opening and closing brake is in place, avoid misoperation or loosening, improve operating safety.

The present invention discloses a multifunctional shallow circular silo and a material dropping control method, which relate to the technical field of silo unloading, including a shallow circular silo, a distribution silo at a material inlet position above the shallow circular silo, a central material dropping pipe being arranged at the bottom of the distribution silo, the central material dropping pipe being communicated with a chamber of the distribution silo, the material outlet of the central material dropping pipe being directly opposite to the middle position in the shallow circular silo, the central material dropping pipe being used for paving the bottom of the shallow circular silo, a plurality of side chute pipes being arranged on the side wall of the distribution silo obliquely downward around an axis, a pneumatic valve one and a pneumatic valve two being respectively arranged at the positions where the central material dropping pipe and the side chute are connected to the distribution silo, and a pneumatic valve three being arranged on the side chute at the position corresponding to the material dropping port; a material dropping control system is also included, including a data acquisition module, an AI data analysis processor, a PLC controller, and a pneumatic valve execution unit; the central material dropping pipe and the side chute are used to cooperate with the material dropping control system to perform automatic material dropping control, so as to achieve uniform material stacking and reduce the serious material grading and silo wall unbalance problems existing in the original single material dropping point.

The invention discloses a multi-dimensional positioning and damping device of a deepwater hydraulic pile hammer power station, and relates to the technical field of deepwater hydraulic piling, the multi-dimensional positioning and damping device comprises a power station, the power station is in a hollow cylinder shape, a positioning and damping cylinder is installed in the power station, and a pile hammer body middle cylinder is sleeved with the positioning and damping cylinder; a lower vertical supporting ring is installed at the bottom of the cylinder in the hammer body of the pile hammer and located below the power station. According to the device, the vertical direction positioning shock absorber, the circumferential direction positioning shock absorber and the radial positioning shock absorber are arranged, the six degrees of freedom of the positioning shock absorption cylinder relative to the middle cylinder body of the hammer body of the pile hammer in a space rectangular coordinate system are restrained in an all-around mode, and meanwhile the positioning shock absorption cylinder is allowed to move slightly in the middle cylinder body of the hammer body of the pile hammer; the impact of impact vibration of the pile hammer on a power station and other parts is reduced, the reliability of the deepwater hydraulic pile hammer is improved, and the service life of the deepwater hydraulic pile hammer is prolonged.

The utility model provides a kind of setting roll gap adjustable's crushing production line of silicon material crusher. Material elevator, crusher, screening machine, magnetic separator, feeder and double-layer weighing roller line are sequentially included, the crusher includes pedestal, crushing cavity, left roll, right roll, left roll drive system, right roll drive system for respectively driving left roll, right roll and variable distance drive system, the crushing cavity is set on pedestal, the position of the pedestal corresponding crushing cavity is provided with discharge port, the main body of left roll and right roll is set in crushing cavity, the end of left roll and right roll is respectively connected with corresponding slide plate slidingly connected on crushing cavity, the left roll drive system is connected with left roll, the right roll drive system is connected with right roll, the variable distance drive system is two sets, respectively set in the head end and tail end of crushing cavity, each set includes variable distance drive motor, speed reducer, coupling, T-type screw, screw nut seat, slide plate and screw nut seat.

The application provides a kind of casting blank stop position length measuring system, it is characterized by: including the roller way system for conveying casting blank and the distance measuring equipment for controlling casting blank stop position and measuring the length of casting blank;The distance measuring equipment is 4, four distance measuring equipment is respectively arranged at the four top corners of roller stand, 4 distance measuring equipment is defined as LS1, LS2, LS3 and LS4 respectively;The intersection point of the connecting line between distance measuring equipment LS1 and distance measuring equipment LS3 and the connecting line between distance measuring equipment and distance measuring equipment LS2 and distance measuring equipment LS4 vertical projection coincides with the midpoint of the flow center line of roller way system;The length of the connecting line between distance measuring equipment LS1 and distance measuring equipment LS3 and the connecting line between distance measuring equipment and distance measuring equipment LS2 and distance measuring equipment LS4 is equal, wherein, distance measuring equipment LS1 and distance measuring equipment LS2 are located in the upstream of casting blank conveying direction.

The invention relates to the technical field of vehicle-mounted weighing, in particular to an attitude sensor precise real-time weighing system and method, and the method comprises the steps: S1, setting collection points at different positions of a vehicle spring steel plate, and installing an attitude sensor at each collection point; s2, acquiring deflection angles of the corresponding acquisition points in the vertical direction and the horizontal direction by adopting an attitude sensor; s3, based on the deflection angle in the vertical direction, the initial cargo weight is obtained; and an unbalance loading error is obtained in combination with the deflection angle in the horizontal direction, and the unbalance loading error is superposed on the initial cargo weight to achieve correction of the initial cargo weight. The attitude sensor is tightly attached to the spring steel plate and is used for acquiring deflection angles of an acquisition point in the vertical direction and the horizontal direction in real time, and more accurate vehicle load is obtained through data fusion processing and mutual correction; meanwhile, on the basis of multi-data collection and real-time feedback, vehicle overload and vehicle unbalance loading can be avoided, and the driving safety of the vehicle is fully guaranteed.

An explosion-proof crane carriage for high-temperature maintenance relates to the technical field of cranes and comprises a carriage frame assembly, a hoisting mechanism and a guide mechanism, a position detection device is arranged on one side of the trolley frame assembly, a hanging beam is arranged below the trolley frame assembly, a vertical guide mechanism is arranged between the hanging beam and the trolley frame assembly, and a hoisting mechanism for hoisting the hanging beam is arranged on one side, corresponding to the guide mechanism, of the trolley frame assembly; a rotating pin lifting appliance is arranged at the bottom of the lifting beam and comprises a connecting seat which is correspondingly connected with the lifting beam in a fastening manner; a connecting sleeve is arranged at the bottom of the connecting seat, a rotating pin is rotationally connected in the connecting sleeve, and a driving device for driving the rotating pin to rotate is mounted on one side of the connecting sleeve; guide plates are arranged on two sides, corresponding to the rotating pin, of the bottom of the connecting sleeve; according to the utility model, the high-precision quick butt joint of the rotating pin lifting appliance and a target object can be realized, so that related personnel are prevented from entering a high-temperature maintenance environment, the contact with combustible and explosive spaceflight fuels is avoided, and the personal safety of the working personnel is guaranteed.

This utility model relates to the field of material handling equipment technology, specifically a device for preventing swaying during the handling of a production line rotor. The device includes a support unit, which comprises a base with a support block fixedly installed inside. It also includes clamping plates, two of which are symmetrically slidably installed within the support block, clamping both ends of the production line rotor. A pressing unit is rotatably mounted above the support unit. In this utility model, by moving the device to the location of the production line rotor to be handled, rotating the crank handle causes the lead screw to rotate, thus fixing the pressing unit. The handling support unit then handles the production line rotor, and the buffer block absorbs lateral impacts, reducing the transmission of swaying. Simultaneously, the contact surface between the flexible pressing block and the clamping plates provides a buffering effect, preventing rigid contact from damaging the rotor surface and effectively suppressing the rotor's vertical jump and torsional swaying during transport. The triangular clamping plates, in conjunction with the lead screw, achieve clamping, ensuring balanced clamping force on both sides and preventing unilateral force from causing rotor tilting or deformation.

The utility model provides a kind of tire blank puncture device and forming equipment, tire blank puncture device, comprising: two annular frames and two annular puncture pieces, two annular frames are oppositely arranged along the axial direction of blank;Two annular frames are away from each other or close to each other along the axial direction of blank;Each annular frame is provided with containing groove, each containing groove is located on the side of corresponding annular frame close to blank;The inner diameter of each containing groove is greater than the diameter of blank;Two annular puncture pieces are one-to-one corresponding with two annular frames, each annular puncture piece is arranged in corresponding containing groove;Each annular puncture piece has puncture part, and the puncture part of each annular puncture piece is used to puncture blank;Wherein, when puncturing blank, two annular frames are close to each other along the axial direction of blank.The tire blank puncture device can effectively solve the technical problem of puncturing blank by manual method in the prior art.

The utility model belongs to the technical field of hybrid mine truck, concretely relates to a hybrid mine truck controller box mounting assembly. It includes that support assembly is installed on the lifting platform of vehicle, first welding support is fixedly installed on the top of support assembly, second welding support is installed on the side of first welding support, the plate is arranged on the side of support assembly and the top of first welding support, the diagonal brace pull rod is arranged on the side of support assembly, one end of diagonal brace pull rod is fixed with the lifting platform, the other end is fixed on the outer side wall of the plate, the thermal management unit is installed on the top of support assembly, motor controller and battery management unit are installed in the inside of support assembly. The utility model is used to solve the problem that the vehicle body partial load is easy to cause the frame damage due to the vibration. The motor controller and battery management unit are fixedly installed by support assembly, play good protection effect, the heat dissipation effect of top thermal management unit is good, avoids excessive electromagnetic interference, and support assembly is fixed on the lifting platform to avoid the vehicle partial load.

The invention relates to the technical field of railway engineering machinery, and provides a hoisting device and a turnout replacement operation method.The hoisting device comprises a basic beam and telescopic beams, and the telescopic beams are located at the two longitudinal ends of the basic beam and stretch out and draw back in the longitudinal direction of the basic beam; the first telescopic supporting assemblies are located at the two longitudinal ends of the basic beam and stretch out and draw back in the vertical direction. The second telescopic supporting assemblies are located on the telescopic beams correspondingly and can stretch out and draw back in the vertical direction; and the hoisting assembly is connected below the basic beam and the telescopic beam in a sliding manner and is used for hoisting the turnout assembly. During replacement operation, the hoisting device and the turnout assembly are integrated on the same flatcar for transportation, the hoisting device can be arranged at different positions of the flatcar in advance to meet the hoisting requirement for turnout replacement, and when transportation is in place, the span and the hoisting point position are switched and adjusted through the first telescopic supporting assembly and the second telescopic supporting assembly; on an uneven track or roadbed, by adjusting the supporting heights of the two ends, it is ensured that the basic beam is horizontal, and hoisting unbalance loading is prevented.

The utility model discloses a kind of crane double drum double drive protection alarm circuit, including PLC controller, frequency converter and operating mechanism, frequency converter is equipped with two and respectively frequency conversion control corresponding operating mechanism, PLC controller controls two frequency converter operation;The drum of operating mechanism is equipped with encoder, and encoder feedback signal is given to PLC controller;The output module of PLC controller has contactor K01 and relay K02, the two normally closed contact of contactor K01 respectively correspond to series connection to the power supply circuit of two operating mechanism, and the normally open contact of relay K02 is in series with buzzer;PLC controller calculates the speed difference of the encoder of two operating mechanisms and the actual height difference of two steel wire ropes, and according to the threshold value set control relay on-off function.The utility model has real-time monitoring, audible and visual alarm and emergency shutdown protection function, can effectively prevent the safety accident such as off-load, steel wire rope fracture caused by synchronous out of control, ensure double drum double drive lifting safety.

The application provides a shell stator hot mounting device, and belongs to the technical field of motor hot mounting, and comprises: a base provided with a frame body; a shell moving assembly comprising a shell moving seat and a shell moving driving element; a heating assembly comprising a heating element and a heating lifting driving element; a stator moving assembly comprising a stator moving seat and a stator moving driving element; and a grabbing assembly comprising a grabbing element and a grabbing lifting driving element. In the application, the shell moving assembly can convey the shell to a heating position or a mounting position, the stator moving assembly can convey the stator to a feeding position or a taking position, and the grabbing assembly can be lifted through the mounting hole on the frame body, the stator can be grabbed from the taking position and pressed into the shell in the mounting position, the shell heating and the stator press fitting are integrated automatic operation, the safety risk caused by manual carrying of the high-temperature shell is avoided, the assembly precision and efficiency are improved, and the automatic continuous operation of the hot mounting process is realized.

This utility model relates to the field of optical cable testing technology, and in particular to an optical cable tensile testing device, comprising a base plate, a U-shaped testing frame fixedly installed on the upper end of the base plate, a controller fixedly installed on the U-shaped testing frame, and sliding grooves on both the left and right sides of the inner surface of the U-shaped testing frame. A traction unit is slidably connected within both sliding grooves, and a tensile unit is fixedly installed at the lower center of the traction unit. A fixing unit corresponding to the position of the tensile unit is fixedly installed on the upper end of the base plate. The optical cable tensile testing device of this utility model achieves stable tension and uniform tension through the traction unit, improving testing accuracy; it adopts a double-end clamping structure to enhance the reliability of optical cable fixation and prevent slippage and detachment; it integrates a tension sensor and a controller to achieve automated testing, and is suitable for high-strength, high-precision optical cable mechanical performance testing, with advantages such as convenient operation, accurate data, and wide applicability.