78results about "Hoisting equipments" patented technology

The utility model discloses an oil well wellhead elevating gear, including mounting seat, the bottom fixed of mounting seat is equipped with four rectangular arrangement's support leg, the top fixed of mounting seat is equipped with double -end motor, the top fixed of mounting seat is equipped with two locating plate, both ends of double -end motor all movably are equipped with the pivot, the utility model discloses setting the vertical board, the ratchet wheel, the mounting panel, the transverse board, the pawl, the pole, the limiting board, the spring and the pull rod, the pivot drives the reel and the ratchet wheel when the placement board rises, the reel drives the placement board through the steel rope, the ratchet wheel anticlockwise rotation extrusion one side's pawl, and the pawl rotates and extrudes the spring, when the top of pawl from the ratchet wheel current's slot inside breaks out, the spring pushes pawl reset, and the pawl will be clamped in another slot, if the double -end motor fails when in the rising period, the pawl will lock the ratchet wheel, thereby can prevent the placement board to plummet suddenly the situation appears.

The application discloses a six-freedom heavy-load assembly industrial robot, which comprises a vehicle body capable of being servo-driven, a mechanical arm assembly arranged on the vehicle body, a clamping jaw assembly connected in the mechanical arm assembly, a stand fixed on the vehicle body and higher than the highest point of the mechanical arm assembly, a horizontal cross rod fixed on the top of the stand, pull ropes distributed on the cross rod, hooks connected to the ends of the pull ropes, and a holding assembly arranged on the front end of the vehicle body; compared with the prior art, the application has achieved remarkable beneficial effects in the safety of heavy-load carrying, the adaptability to different workpieces, the stability of load transfer, the precision of final assembly and the like.

This application discloses an elevator brake control method, comprising: a signal processing module receiving a detection signal sent by a safety loop end signal detection module, and outputting a first signal when the detection signal meets preset conditions; and a drive buffer module, upon receiving the first signal, disconnecting the connection between the brake control circuit and the drive circuit of the brake control circuit; wherein the signal processing module and the drive buffer module are hardware circuits. This embodiment solves a series of problems inherent in relying solely on software control, reduces response delay, and improves the reliability of brake control.

The hydraulic track type sand tank lifting machine capable of automatic filling comprises a base, a rotating base installed at the top of the base, the rotating base being capable of rotating by 90 degrees in three directions, sand storage tanks being respectively arranged in the three directions of the rotating base, a lifting frame installed on the rotating base, a turnover mechanism installed at the top of the lifting frame, two groups of hydraulic lifting mechanisms for lifting and feeding sand hoppers being installed inside the lifting frame, and a circulating track being installed inside the hydraulic lifting mechanism, the sand hopper being installed inside the circulating track, a discharging mechanism being installed on the sand storage tank, and the discharging mechanism cooperating with the sand hopper to discharge sand, the patent realizing automatic filling of multiple sand storage tanks through the rotating base installed on the base, the sand hopper being capable of being lifted through the hydraulic lifting mechanism after filling, the sand hopper being capable of being turned over through the turnover mechanism after being lifted to the top, the sand being quickly filled into the sand storage tank, the sand hopper being reset after being turned over and cooperating with the inclined protrusions on the sand storage tank to realize cyclic automatic filling, and the sand filling efficiency being improved without manual participation.

This system provides a transport mechanism that allows a workpiece to be accurately positioned in a predetermined location without the operator having to visually inspect the workpiece. [Solution] The transport system 1 includes a positioning pin 102 provided on the main body 10 and extending in the vertical direction, and a cylindrical member 104 fixedly positioned near the location where the workpiece W is to be positioned, into which the positioning pin 102 can be inserted. By pushing down the main body 10 so that the positioning pin 102 is inserted into the cylindrical member 104, the workpiece W held by the holding part 20 is positioned in a direction along the horizontal plane.

The application provides a kind of offshore wind power steel structure tower's semi-submersible transport method, comprising the following steps: S1, after tower production is completed, the both ends of tower are sealed, and pull hook is set;S2, slide is built on the coast, and parking point is set;S3, tower is transported to port, and transport car stops at parking point;S4, tower is moved to slide, and steel cable is used to connect the pull hook of the end of tower and tugboat;S5, the connected tower is dragged to sea surface by the slow movement of tugboat;S6, the tower is transported to the machine site by tugboat;Through the above steps, the tower of offshore wind power is transported to the machine site.The application eliminates the process of tower loading, adopts semi-submersible transport mode, increases the efficiency and convenience of tower transportation;The sealing of both ends of tower does not need to set other structures on tower for cooperation, so as not to affect the structural integrity of tower.

The utility model discloses a kind of electric body turning device of pipe joint, comprising: body turning frame, its both sides are provided with limit frame, telescopic rotary motor and positioning pin are respectively connected on the limit frame of body turning frame both sides;And several electric telescopic limit buckles, it is connected on body turning frame, pipe joint is placed on body turning frame, telescopic rotary motor and positioning pin abut on pipe joint, body turning frame side end is provided with control box.The utility model places pipe joint in body turning frame, telescopic rotary motor extends and is positioned in the positioning hole of pipe joint side, positioning pin is positioned in the positioning hole of pipe joint other side, when needing to turn over, control box controls telescopic rotary motor rotation, to realize pipe joint automatic body turning.This structure body turning frame force simple, pipe joint can reduce the dependence on maximum lifting weight of travelling crane when body turning, under the travelling crane auxiliary of same lifting weight, can body turning greater deadweight pipe joint.

This invention discloses a drum-type working brake device for a passenger transport device, comprising: a brake wheel for braking the passenger transport device; a brake arm assembly for braking or normal operation of the passenger transport device by pressing or releasing the brake wheel; a spring assembly for applying a preset elastic force to the brake arm assembly to press it closed; and an electromagnet assembly that, when energized, overcomes the spring force and moves the brake arm assembly away from the brake wheel; the electromagnet assembly is disposed between the brake wheel and the spring assembly. This invention not only reduces the risk of friction plate contact but also lowers the assembly precision requirements.

The utility model relates to hoisting equipment technical field provides the special explosion -proof hoisting machinery transport hoist and mount equipment of limited space, including hoist frame, set up the mobile seat of hoist frame crossbeam and set up the lifting trolley of mobile seat, lifting trolley includes base and brake wheel, be equipped with the slide block of slidable on base, the hydraulic brake cylinder is hinged to have on slide block, base still be equipped with the screw rod of by motor drive, screw rod is connected with slide block drive connection, to drive slide block and the hydraulic brake cylinder hinged to its on mobile, be used for compensating the wear clearance of brake shoe.

This utility model relates to the field of needle bed base technology, specifically a needle bed base flipping fixture, comprising: a base plate, a bearing plate directly above the base plate, a fixing plate directly above the bearing plate, a needle bed base body directly above the fixing plate, fixing posts fixedly installed at the top of the base plate and at the four corners, the four fixing posts penetrating the bearing plate and fixed to the bottom of the fixing plate, and an electric push rod installed at the top of the base plate and between the four fixing posts, the output end of the electric push rod being fixed to the top of the bearing plate. The overall device is a flipping fixture that is easy to operate, has high flipping efficiency, allows for adjustment of the needle bed base position, has a simple structure, and low maintenance cost. It not only improves work efficiency and reduces maintenance costs, but also enhances practicality and reliability, bringing great convenience to the use and maintenance of needle bed bases.

The application discloses a lifting and overturning machine, and relates to the technical field of material conveying equipment, which comprises a rack, a load carrying assembly, a load carrying table, a front baffle, a torsional spring and a positioning piece. The load carrying table is hingedly connected to the load carrying frame, one end of the load carrying table is an inlet end, and the other end of the load carrying table is an outlet end. The front baffle is hingedly connected to the load carrying table and located on one side of the outlet end of the load carrying table. The torsional spring is fixedly connected to one end of the front baffle and the other end of the load carrying table. The positioning piece is installed on the load carrying frame and connected to the front baffle. The lifting assembly is installed on the rack and connected to the load carrying frame, and can adjust the horizontal height of the load carrying frame. The overturning assembly is installed on the load carrying frame and connected to the load carrying table, and can adjust the angle of the load carrying table. The application has the effect of improving the operation continuity and transfer efficiency of the lifting and overturning machine.

The application discloses a telescopic arm system and a telescopic arm control method, which are used for solving the problems of traditional telescopic arm structure, such as being heavy, rope being easy to fatigue, arm section being easy to weaken in strength and driving form being single. The system comprises a plurality of telescopic arm sections which are sequentially sleeved, a winding drum driving assembly, an extension driving mechanism and a traction rope. A built-in wiring space is formed in a gap between adjacent arm sections or an inner cavity of the innermost arm section, and the traction rope is arranged in the space. The extension driving mechanism adopts rope reversing driving or air pressure driving. The main load tension is directly transmitted to the winding drum through the traction rope, and the arm section only bears its own gravity, auxiliary thrust and bending moment, without needing to open a wiring hole on the arm section wall body. The application realizes built-in arrangement of the rope without opening holes, and combines light weight and large tension output. The structure is compact and stable in operation, and can be widely applied to telescopic grabbing and traction operation scenes of unmanned aerial vehicles, light robots and engineering machinery and the like.

This application relates to a block brake with adaptive brake shoes and an elevator traction machine, belonging to the field of mechanical braking technology. The block brake with adaptive brake shoes is signal-connected to a control device and includes: an armature capable of changing its distance from the stationary iron core under the action of the on / off energization of an electromagnetic coil; a base fixedly connected to the armature; and a braking mechanism connected to the base and rotatable relative to the base, capable of moving with the armature to have braking and release states. In the braking state, the braking mechanism clamps the brake drum; in the release state, the braking mechanism separates from the brake drum. The braking mechanism includes a braking element rotatably connected to the base and an adjusting assembly. The adjusting assembly is configured to adjust the rotation angle of the braking element when the braking mechanism is in the release state, thereby preventing the braking element from contacting the brake drum. Through the above method, the contact area between the friction pad and the braking surface can be increased, while also improving the service life of the friction pad.

The application discloses an electromagnetic brake, which comprises a brake pad, a compression spring, an armature, an iron core, a coil and a buffer assembly; the buffer assembly is arranged between the iron core and the armature; the buffer assembly comprises an external buffer piece and an internal buffer piece; the external buffer piece is provided with an inner empty part, and the internal buffer piece is arranged in the inner empty part of the external buffer piece; when the electromagnetic brake is in a brake holding to position state, the external buffer piece is compressed, and the internal buffer piece is not compressed; when the electromagnetic brake is in a brake releasing to position state, the external buffer piece and the internal buffer piece are both compressed, and the compression amount of the external buffer piece is greater than that of the internal buffer piece. Through reasonable arrangement of the positions of the external buffer piece, the internal buffer piece, a magnetic attraction surface of the iron core and a magnetic attraction surface of the armature, the brake action noise is reduced, and the working life of the brake buffer noise reduction parts is prolonged.

This invention discloses a collaborative control method and system for tower section transfer and rotation, relating to the field of industrial control technology. The method includes: acquiring real-time status parameters of a first and second railcar; calculating a target rotation angle for the second railcar based on a first rotation angle, and controlling it to rotate the second tower section to the target rotation angle; controlling the second railcar to move towards the first railcar based on a second bearing position, detecting the circumferential gap and misalignment during the movement, and fine-tuning the movement speed and the second rotation angle until the circumferential gap and misalignment reach the allowable welding range; after completing the assembly and spot welding, switching the two railcars to a rigid synchronous mode, rotating synchronously at the same rotation angular velocity, driving the assembled tower section to rotate as a whole to cooperate with automatic welding equipment to complete the circumferential weld. This invention achieves automated collaborative control of tower section transfer, rotation, assembly, and circumferential weld welding, improving production safety and welding quality.

This invention discloses an installation device for graphene displacement sensors in tunnel segment assembly joints. The device includes an installation cart, with a control box fixedly connected to its upper side. A drive motor is fixedly connected inside the control box. A telescopic cantilever is fixedly connected to one end of the drive motor's main shaft extending outside the control box. The telescopic end of the telescopic cantilever is fixedly connected to a housing. The outer arc surface of the housing has a through groove. Two control motors are fixedly connected to the outer ends of the housing, and two winding wheels are fixedly connected to the main shafts of the two control motors extending into the housing. A paper tape is connected between the two winding wheels, and multiple easy-tear frames are spaced apart on the paper tape. A graphene sensor is fixedly connected within each easy-tear frame. This invention involves applying adhesive by rubbing the two ends of the graphene sensor against the surface of a dispensing tube. A push-out device presses the graphene sensor onto the tunnel segment, causing it to separate from the easy-tear frames. This facilitates the installation of the graphene sensor and eliminates the need for working at heights.

The application discloses a kind of dual unmanned aerial vehicle anti-interference cooperative hoisting control method, system, equipment and medium, comprising: obtaining the actual state information of dual unmanned aerial vehicle and the desired state information of virtual leader;According to desired state information, the desired position information of dual unmanned aerial vehicle is calculated according to pre-set dual-machine cooperative decoupling control rule;With desired position information as input, based on the extended state observer and nonlinear anti-interference controller constructed in advance, the control input information of each unmanned aerial vehicle is output, so that the power system controls dual unmanned aerial vehicle anti-interference cooperative hoisting load according to control input information.The application introduces virtual leader, solves the problem of sling tension imbalance caused by independent trajectory planning;Based on dual-machine cooperative decoupling control rule, the problem of unmeasurable load pose caused by flexible sling is solved, and the extended state observer and nonlinear anti-interference controller are used to realize real-time estimation and active compensation for compound disturbance such as wind disturbance and sudden load.

This utility model discloses a hydraulic precast component turning frame, applied in the field of building construction technology. It includes a base A, with a slot on the right side of the base A. A movable plate is slidably fitted inside the slot, and a base B is bolted to the right side of the movable plate. Limiting holes are provided on the right side of the front and rear ends of the movable plate. This utility model, through its overall elongated mechanical design, flexibly adapts to precast components of different heights, significantly improving the equipment's versatility. Its telescopic structure eliminates the need for component replacement, simplifying the operation process while ensuring stable force distribution. It can adapt to diverse engineering needs and ensure the stability and safety of the component turning process, effectively improving construction efficiency and reducing operational risks. The clamping design on both sides of the precast component can accurately lock the component's position, ensuring uniform and stable force distribution during the turning process. The symmetrical clamping on both sides effectively avoids the risk of component displacement or slippage, reducing the potential deformation hazards caused by uneven force distribution on one side.

The utility model discloses a multifunctional well lid auxiliary opening device, including the opening vertical board, the opening vertical board one side fixed installation has the opening horizontal board, be provided with the auxiliary movement subassembly on the opening vertical board, the opening vertical board one side is provided with the auxiliary winding subassembly, the opening horizontal board is installed through the lifting assembly and is provided with the lifting hook, the both sides of lifting hook are provided with two support legs, and the adjusting assembly is arranged between support leg and opening horizontal board, this multifunctional well lid auxiliary opening device, set up the lifting hook, the hole in the upper well lid is hooked under the lifting hook and is moved down, utilizes the principle of lever, and the well lid is lifted, realizes the mode of first kind of opening, and the lifting assembly and the adjusting assembly are set up, and two support legs are pressed in the upper well lid, and the position is pressed tightly fixed in cooperation with the lifting hook, and the well lid is lifted as a whole by pulling the lifting hook upwards, and the lever principle is also utilized when opening, realizes the second opening mode, through various ways, is convenient for the auxiliary opening of well lid.

The utility model belongs to the technical field of turnover device, especially for a kind of adjustable industrial equipment of turning angle, including industrial turnover assembly, the outside of industrial turnover assembly is provided with safety anti-falling auxiliary assembly, alarm assembly is provided in safety anti-falling auxiliary assembly, and the outside of industrial turnover assembly is provided with intelligent control assembly, the mechanical locking mechanism lacking quick response when the hydraulic assembly of existing equipment fails, cannot cope with sudden failure accident, once hydraulic structure malfunctions, it will cause major safety accidents, therefore, need a kind of new type of adjustable industrial equipment of turning angle to improve the above device, it has the advantage that the linkage design of main hydraulic rod and first L type resistance rod is realized by industrial turnover assembly, the flexible turnover of V-shaped turning plate is realized, safety anti-falling auxiliary assembly is driven U-shaped emergency anti-falling frame by secondary hydraulic rod, and mechanical interlocking structure is formed with wear-resistant roof, and the safety is effectively improved.

The application discloses a large equipment frame pushing device and a sliding method, which comprises a supporting mechanism, a pushing mechanism and a monitoring mechanism, wherein the pushing mechanism and the monitoring mechanism are arranged on the supporting mechanism, and the pushing mechanism is connected with the monitoring mechanism. The supporting mechanism, the upright column, the lower bracket, the crossbeam and the roadbed plate cooperate with each other to provide a stable bearing foundation for the whole device, the supporting leg crossbeam and the Bailey beam enhance the supporting rigidity and the universality, the steel plate and the steel rail disperse the load and ensure smooth movement, the pushing cylinder of the pushing mechanism is detachably connected with the connecting steel plate through the lug plate and the high-strength bolt, the rail clamp ensures accurate positioning, the reinforcing rib plate improves the connection stability, the pushing pump station provides stable hydraulic power and reasonably utilizes the space, the control box of the monitoring mechanism cooperates with the network bridge to realize automatic control of the pushing operation, stable signal transmission and real-time monitoring of the running state, and the safety, the controllability and the intelligent level are improved through the collaborative work of the mechanisms.

The utility model provides a lifting lever type manhole cover opening device relates to municipal works technical field, including cross rod, the downside of cross rod is provided with lifting lever type manhole cover opening subassembly, lifting lever type manhole cover opening subassembly includes the inner recessed slide groove of setting in the inside of cross rod, the inside of inner recessed slide groove all installs hydraulic pressure adjusting sliding block, the downside of hydraulic pressure adjusting sliding block installs hydraulic pressure rod, the outside of cross rod all is provided with lifting lever sliding frame, the downside of driven rotating shaft is welded with pull -out rod, the end of pull -out rod installs manhole cover clamping plate, put two groups of hydraulic cylinder to the both sides of manhole cover, the hydraulic cylinder starts to fill liquid at this moment, promotes the ascending of hydraulic pressure rod, drives lifting lever sliding frame to ascend, like this can realize the lifting lever type stress of manhole cover, reaches the opening effect, and lifting lever sliding frame can be according to the width of manhole cover and along cross rod left and right horizontal displacement to can be clamped to the cross bar of manhole cover, ensure that the stress of manhole cover is even in the opening process, avoid the damage of single point stress too big.

This invention discloses a turning machine for producing subway tunnel segments, belonging to the field of tunnel segment turning technology. It includes a base frame, with adjustable rotating components connected to both sides of the upper surface of the base frame via short columns. A turning frame is mounted on each of the adjustable rotating components. The turning frame, driven by a hydraulic cylinder mounted within the base frame, rotates the tunnel segments placed on its surface from 0° to 180°. An adjustable support component is inserted into the turning frame. Through the set turning frame and adjustable support component, relay support is achieved between the two turning frames. Combined with the hydraulic cylinder drive, the turning of the tunnel segments from 0° to 180° can be stably completed without auxiliary hoisting, improving turning efficiency. The adjustable support component on the turning frame allows adjustment of the support rod protrusion height by rotating the threaded rod, reducing stress concentration, preventing tunnel segment damage, and adapting to the production needs of tunnel segments of different specifications.

An apparatus (100) for controlling a crane arm (150), the crane arm (150) comprising a first segment (151) pivotably attached to a crane column, a second segment (152) pivotably attached to the first segment (151), and a third segment (153) pivotably attached to the second segment (152), the apparatus (100) comprising processing circuitry (110) configured to: receive input data indicating a user input for setting a target speed in a first spatial direction of a reference region (162) of the second segment (152), a target speed in a second spatial direction of the reference region (162) of the second segment (152), a target speed in the first spatial direction of the third segment (153), and a target speed in the second spatial direction of the third segment (153); determine target movements for the first and second segments (151, 152) based on input data related to the second segment (152), to determine movement of the second segment (152) corresponding to the user input; determine a target movement for the third segment (153) based on input data related to the third segment (153), to determine movement of the third segment (153) according to the user input; and control actuators of the crane arm (150) to move at least one of the first to third segments (151, 152, 153) according to the determined target movements. Also disclosed are a lifting device comprising a crane arm and such an apparatus, as well as a method and a remote control (200) for a crane arm.

The utility model relates to a multipurpose well lid opener, including steel pipe, inertia counterweight, pull rod and support seat, steel pipe upper end is provided with handle, steel pipe lower extreme is fixedly connected with pull rod upper end, pull rod lower extreme lateral wall opposite sides are provided with limit block respectively, counterweight is slidingly arranged on the steel pipe, support seat is rotatably arranged on the steel pipe lateral wall, and its purpose is to provide a integrated, multipurpose, time -saving and labor -saving and efficient multipurpose well lid opener.