2235results about "Hoisting equipments" patented technology

The invention discloses a roundness supporting device for a large tubular structure and a roundness adjusting method.The roundness supporting device comprises the roundness supporting device body, the roundness supporting device body comprises a circular base and a plurality of supporting columns, and the supporting columns are distributed on the circumferential face of the circular base in a circumferential array mode; the end, away from the circular base, of each supporting column can abut against the inner wall of the circular steel pipe. The device further comprises a rotating column, the rotating column is coaxially installed on the circular base, and a hydraulic expansion piece is vertically connected to the rotating column. The end of the telescopic part of the hydraulic telescopic device is connected with a contour wheel, and the hydraulic telescopic device stretches out to enable the contour wheel to be in rolling fit with the inner wall of the circular steel pipe. The device further comprises a distance sensor, and the distance sensor can detect the change of the distance between the profiling wheel support and the axis of the rotating column in real time. According to the tubular steel roundness adjusting device, the roundness of tubular steel can be accurately adjusted, the machining requirements of large tubular steel with different pipe diameters can be met, accidents such as eccentricity of the tubular steel in the machining process can be avoided, and therefore the finished product quality and operation safety are improved.

The invention belongs to the technical field of elevator drum brakes, and relates to an elevator drum brake monitoring method fusing machine vision and infrared thermal imaging, which comprises the following steps of: acquiring an original visible light image and an original infrared thermal imaging image of a drum brake in a running state; preprocessing the original visible light image and the original infrared thermal imaging image to obtain a preprocessed visible light image and a preprocessed infrared thermal imaging image; performing image registration on the pre-processed visible light image and the pre-processed infrared thermal imaging image to obtain a registered visible light image and a registered infrared thermal imaging image; performing fusion operation on the registered visible light image and the registered infrared thermal imaging image to obtain a fused image; and performing brake state monitoring and temperature monitoring on the fused image to obtain a monitoring result. According to the invention, the running state of the brake can be rapidly monitored, and the timeliness and accuracy of monitoring data are ensured.

The invention relates to the technical field of intelligent control of heavy equipment, in particular to a hydraulic synchronous intelligent control system for segmented turnover of an overweight steel structure, and discloses the hydraulic synchronous intelligent control system for segmented turnover of the overweight steel structure. According to the system, full-field strain data of a structure surface is acquired by deploying a flexible grid sensor array, and a deformation gradient topological graph is constructed to identify an instability risk area. And a dynamic fluid network model of the hydraulic system is established, fluid-solid coupling simulation is carried out in combination with deformation characteristics, and pressure pulsation transmission paths under different control instructions are predicted. And the system dynamically optimizes a data sampling strategy and network model parameters according to a prediction path, generates a hydraulic cylinder coordination action instruction subjected to pressure balance verification, and finally drives an execution mechanism to complete turnover operation. According to the scheme, full-field real-time sensing of structural deformation and dynamic coupling prediction control of hydraulic fluid are achieved, and the safety and control precision of the overweight component in the turnover process are improved.

The utility model relates to the technical field of building hoisting, and provides a combined type double-body steel sliding beam hoisting seat which is installed on a hoisting platform, at least two guide beams are arranged at the top of the hoisting platform, the combined type double-body steel sliding beam hoisting seat comprises a steel sliding beam with a hoisting hole, and a first guide clamping groove matched with the outer sides of the guide beams is formed in the bottom of the steel sliding beam. A lifting rope penetrates through the lifting hole; the guide seats are fixedly connected with the steel sliding beams, and second guide clamping grooves matched with the outer sides of the guide beams are formed in the bottoms of the guide seats; and the driving element is connected to one side of the steel sliding beam so as to drive the steel sliding beam to slide. The anti-overturning performance of the combined type double-body steel sliding beam hanging seat is greatly improved, and the requirement for stable sliding of the hanging seat is met.

The invention discloses an extended-range hybrid power system and a control method therefor, and a crane, and belongs to the technical field of construction machinery. The extended-range hybrid power system comprises a power battery, an all-in-one controller, a first motor, a second motor and an engine, wherein the first motor is connected to a lower traveling mechanism; the engine is connected to the second motor, and the second motor is connected to an upper operating mechanism; the power battery, the first motor and the second motor are connected to the all-in-one motor, and the all-in-one motor is connected to an external power supply.

To obtain a brake device 8 and a buffer member 100 that allow a buffer part 110 to be easily replaced, and allow the generation of a contact sound to be restrained when a field 10 and an armature 20 come into contact with each other.SOLUTION: A brake device 8 comprises a field 10, an electromagnetic coil 80, an armature 20, a biasing part 70, and a buffer member 100. The field 10 comprises a first surface 11 and a second surface 12. A hole 16 penetrating to the second surface 12 from the first surface 11 is formed. The buffer member 100 is formed so as to be insertable into the hole 16 toward the first surface 11 from the second surface 12. A buffer part 110 is arranged at one end. The buffer member is arranged in the hole 16 so that when the armature 20 approaches the first surface 11, the armature 20 comes into contact with the buffer part 110.SELECTED DRAWING: Figure 3

The utility model relates to the technical field of municipal public engineering, in particular to a tube well construction auxiliary device which comprises a movable frame, a detection assembly and an opening and closing mechanism. The opening and closing mechanism comprises a frame body, a supporting ring, two sliding blocks, two lock catches, two connecting pieces, two sliding rods, two protruding blocks, an adjusting motor, a disc body, two supporting rods, two connecting blocks and a lifting assembly, the frame body is fixedly connected with the movable frame, the adjusting motor is installed on the frame body, the output end of the adjusting motor is fixedly connected with the disc body, the two supporting rods are both fixedly connected with the disc body, and the lifting assembly is fixedly connected with the disc body. The movable frame is provided with two guide grooves, the two protruding blocks are slidably connected with the corresponding guide grooves respectively, one ends of the two connecting blocks are hinged to the corresponding supporting rods respectively, the other ends of the two connecting blocks are hinged to the corresponding protruding blocks respectively, and in this way, the positions of the lock catches can be adjusted according to the sizes of the well lids so that the well lids of different specifications can be installed and taken out.

The utility model relates to the technical field of building hoisting, and provides an internally-buckled anti-overturning slidable hoisting seat, which is mounted on a hoisting platform and comprises a hoisting seat main body with a hoisting hole and slidably arranged at the top of the hoisting platform, and the hoisting hole is used for a hoisting rope to penetrate through; the limiting structure is arranged between the lifting platform and the lifting seat main body and used for limiting the lifting seat main body to be separated from the lifting platform; and the driving element is connected to one side of the lifting seat main body so as to drive the lifting seat main body to slide. The lifting seat body can be driven by the driving element to slide, translation of the steel gallery can be achieved conveniently, the lifting seat body can be prevented from being separated from the lifting platform through the arranged limiting structure, overturning of the lifting seat body during sliding is avoided, and the requirement for stable sliding of the lifting seat is met.

A safety brake system (40; 240) for use in a conveyance system. The safety brake system (40; 240) includes a guide rail (20) and a conveyance component moveable along the guide rail (20). The safety brake system (40; 240) includes a safety brake (42; 242), a linkage mechanism (56; 256) and an actuator (44; 144; 244) for the safety brake (42; 242). The safety brake (42; 242) is moveable between a non-braking position where the safety brake (42; 242) is not in engagement with the guide rail (20) and a braking position where the safety brake (42; 242) is engaged with the guide rail (20). The actuator (44; 144; 244) is configured to be mounted to the conveyance component and positioned between first and second ferromagnetic components. The actuator includes an array of magnetic components including a first magnetic component adjacent to and arranged between two second magnetic components.

The utility model discloses a tail rope brake device, comprising a base, a front wheel and a rear wheel are rotatably arranged inside the base, and during the capstan braking process, the tail rope is passed between the front wheel and the rear wheel; a middle wheel is arranged inside the base and between the front wheel and the rear wheel, and the tail rope is passed under the middle wheel; a brake rubber block is arranged at the lower end of the clamping block, and when the tail rope is braked, the brake rubber block is used to brake and lock it, on the one hand, the friction between the clamping block and the tail rope is increased to achieve a rapid braking effect, and on the other hand, the brake rubber block is arranged to avoid the situation that the tail rope is damaged due to direct friction between the clamping block and the tail rope; then, a reset rod is arranged at the upper end of the clamping block, and when the clamping block is reset after locking the tail rope, the clamping block can be separated from the tail rope by directly manually resetting the reset rod, the operation is simple and convenient, the braking and resetting safety of the tail rope is higher, and no injury is caused to the operator.

The utility model discloses an elevator brake and a braking force processing system, and relates to the technical field of elevator brake action state and braking force monitoring, the elevator brake is installed on a machine base of an elevator traction machine and makes contact with a brake wheel, the elevator brake comprises a static iron core, a movable iron core, a brake shoe and a pressure sensor, the static iron core is connected with the machine base, the movable iron core is installed on the static iron core, the brake shoe is arranged on the movable iron core and is close to the brake wheel, and a friction plate is installed between the brake shoe and the brake wheel. The pressure sensor is installed between the movable iron core and the brake shoe, the pressure sensor is used for detecting the pressure value between the brake shoe and the movable iron core, when the state of the brake shoe is changed, the pressure sensor can detect the pressure value in time, the situation that a detection blind area exists when a microswitch is adopted is avoided, and the using safety of an elevator is improved.

Certain aspects of the disclosure provide a system and method for lifting and installing building components. In examples, the system may include a plurality of cable winches adapted to be connected to a ceiling structure; a plurality of cables, each cable having a first end connected to one of the cable winches and a second end adapted to be connected to the ceiling structure, wherein each cable of the plurality of cables is coupled to a pre-assembled building component; and a control mechanism for operating the cable winches simultaneously to lift the pre-assembled building component into a final location for installation.

A method for moving a lifting device includes: in a presetting phase, presetting at least one target position for the lifting device; in a measuring phase, detecting an instantaneous geometry of the arm system; in a selection phase, selecting a target position specified in the presetting phase; in a comparison phase, determining a geometrical deviation between the geometry of the target position selected in the selection phase and the instantaneous geometry detected in the measuring phase; in a generation phase, generating at least one control command on the basis of the geometrical deviation determined in the comparison phase; and in a control phase, performing at least partial movement of the lifting device into the selected target position by actuating the actuators of the arm system with the at least one control command generated in the generation phase.

There is provided a crane control method whereby, during automatic transportation of a load along a preset transport route using a crane, it is possible to reliably transport the load along the route; and a crane that can be controlled by the crane control method. A control device (32) calculates target speed signals (VU), (VW), (VR) for designating the target hoisting speed and the target rotational speed of a boom (9) and the target winding / unwinding speed of main wire rope (14) or sub wire rope (16), calculates the maximum speeds (VUmax), (VWmax), (VRmax) of the hoisting and rotation of the boom (9) and winding / unwinding of the main wire rope (14) or the sub wire rope (16), and, if a target speed exceeds the corresponding maximum speed, controls the crane (1) by multiplying the target speed signal (VU), (VW), (VR) by a coefficient and restricting the target speed signal (VU), (VW), (VR) to be less than the corresponding maximum speed.

A storage stores at least one piece of registered correction data including a plurality of registered values associated with a plurality of section angle ranges. A controller executes parallel winch control of causing a derricking winch and a hoisting winch to operate. The controller specifies a reference target value corresponding to a derricking angle, from the plurality of registered values. In a correction period corresponding to a point of time at which a correction operation is detected, the controller corrects the reference target value used for deriving an operation speed of the hoisting winch in the parallel winch control, in accordance with a specified value specified by the correction operation. The controller updates data of the reference target value corresponding to the correction period to data corrected with the specified value.

The invention provides a hydraulic cylinder test bed load simulation device, and relates to the technical field of hydraulic cylinder test devices, the hydraulic cylinder test bed load simulation device comprises a rack; the loading cylinder is arranged on the rack in an overturning manner, and the loading cylinder can be overturned to the horizontal or vertical direction; the guide piece is arranged on the rack, and the guide piece is used for guiding and limiting a piston rod of the loading cylinder in the axial direction when the loading cylinder is overturned to the horizontal direction; the vertical loading piece is arranged on the rack in a lifting mode in the vertical direction, and when the loading cylinder is overturned to the vertical direction, the vertical loading piece can be connected with a piston rod of the loading cylinder; and the inclined loading piece is rotationally arranged on the rack and can be connected with the piston rod of the loading cylinder. Therefore, the pressure test requirements under the use working conditions of three postures in the horizontal direction, the vertical direction and the inclined direction can be met, and the application range is expanded.

The invention discloses a reversible electrical installation structure, which belongs to the technical field of electrical installation and comprises an electrical installation plate body, deformable supporting assemblies are arranged at two ends of the electrical installation plate body, and a plurality of deformable brake assemblies are arranged on one side of each deformable supporting assembly. The two ends of the electrical installation plate body are provided with a plurality of third limiting installation holes corresponding to the deformable brake assemblies, and the deformable brake assemblies are connected with the electrical installation plate body through the third limiting installation holes. One side of the electrical installation plate body is provided with a deformable driving assembly used for adjusting the shape of the deformable supporting assembly and the shape of the deformable braking assembly. Through mutual cooperation of multiple structures, multiple fixation is carried out on the electrical installation plate body, so that the electrical installation plate body can be reliably suspended at any position and any posture in the process of overturning the electrical installation plate body by a user, and the user can carry out corresponding construction operation conveniently.

The invention provides a fault detection method and system for a multi-caliper disc type elevator brake based on a two-stage comparison fusion network, a medium and equipment. The fault detection method comprises the following steps: acquiring a first vibration health feature and a first moment health feature according to a first encoder and a third encoder of a first-stage comparison fusion module, a vibration signal and a moment signal; obtaining a second vibration health feature and a second moment health feature according to a second encoder and a fourth encoder of a second-stage comparison fusion module, the first vibration health feature and the first moment health feature; according to the second vibration health feature and the second torque health feature, the health state feature similarity between the brake calipers is calculated; the abrasion loss of the corresponding brake caliper is calculated according to the shot image; the total health state value of the brake caliper is calculated according to the health state feature similarity and the abrasion loss; and determining the faulted brake caliper according to the total health state value. According to the invention, more comprehensive fault feature information can be obtained, and the accuracy and reliability of fault diagnosis are improved.

The utility model belongs to the technical field of simulation detection, and discloses a detection tool which comprises a lifting device and two support assemblies which are parallel to each other and are arranged at an interval. A walking channel capable of limiting the carrying trolley and allowing the carrying trolley to pass through is formed between the two support assemblies, and workpieces to be detected are placed on the carrying trolley. The lifting device comprises a lifting driving assembly and a supporting assembly, the lifting driving assembly is arranged on the support assembly and is in transmission connection with the supporting assembly, and the supporting assembly is located below the to-be-detected workpiece in the vertical direction and can be driven by the lifting driving assembly to ascend and descend relative to the support assembly so as to lift or lower the to-be-detected workpiece. According to the detection tool, the to-be-detected workpiece on the carrying trolley can be lifted and put down, the reliability and stability are effectively improved, and the problems of position deviation and the like of the lifted to-be-detected workpiece can be avoided.

The utility model discloses a cap beam stirrup installation auxiliary tool which comprises a base, a suspender installation base and a suspender, the suspender installation base is horizontally and rotatably installed in the center of the top of the base, the suspender is provided with an operating rod and a lifting hook fixedly installed at the front end of the operating rod, and the operating rod is vertically and rotatably installed at the upper end of the suspender installation base. The distance from the rotating fulcrum of the operating rod to the lifting hook is smaller than that from the rotating fulcrum to the other end of the operating rod. The auxiliary tool is simple in structure, convenient and fast to manufacture, economical, convenient to operate and capable of effectively saving manpower, shortening stirrup installation time and improving stirrup installation efficiency.

The invention provides a small hull hoisting maintenance frame, and relates to the field of small hull hoisting maintenance. The small ship body hoisting maintenance frame comprises a chassis assembly, a hoisting assembly, a sliding lifting assembly, an angle adjusting assembly and a ship body matching assembly, the hoisting assembly is installed on one side of the chassis assembly, the sliding lifting assembly is arranged on the chassis assembly and can transversely slide along the chassis assembly, and the angle adjusting assembly is installed at the output end of the sliding lifting assembly. The ship body matching assembly is installed at the output end of the angle adjusting assembly and comprises a power box, two swing arms, a reinforcing disc, a hollow pipe and a driving wheel, and the ends, close to each other, of the two swing arms are both installed at the output end of the power box. According to the small hull hoisting maintenance frame, by arranging the sliding lifting assembly, the hull matching assembly and the angle adjusting assembly, stable hoisting can be achieved, manual auxiliary ship lifting is not needed, and by arranging the chassis assembly, an electric hoisting winch is conveniently matched to be connected with a hull.

Intelligent tilting device for a prefabricated, assembled base plate, comprising a base, a tilting support frame and a base plate, characterized in that The tilting support frame comprises a plurality of L-shaped support frames arranged side by side in a row, wherein a first tilting connection seat is provided on a rear side on the underside of a long side of the L-shaped support frame, wherein the first tilting connection seat is connected to the base by means of a pivot shaft, wherein a front side on the underside of the long side of the L-shaped support frame is connected to an end of a push rod, wherein one or more base plate support seats are provided in the middle on a underside of the long side of the L-shaped support frame, wherein the base plate support seat is provided with self-adjusting base plate support seats on both a front and rear side, and wherein an electromechanical sliding block, provided with a snap-lock section, is provided on the top of the short side of the L-shaped support frame.wherein the electromechanical sliding block can move up and down along the short side of the L-shaped support frame, and wherein an electromechanical snap lock is provided in the middle on a left or right side of the long side of the L-shaped support frame, wherein the electromechanical sliding block and the electromechanical snap lock are provided with pressure sensors, wherein the electromechanical sliding block and the electromechanical snap lock clamp the base plate and detect pressure data at a snap point; , The self-adjusting base plate support seat comprises a base plate, a top plate, a steel spring and a spring shaft, wherein an elastic cushion and a distributed pressure sensor are installed at a contact surface position on the top plate, the top plate being connected to the base plate by means of the spring shaft and the steel spring.

The invention provides a cover plate opening and closing device, and the device comprises at least two fixed shafts which are arranged in a cable trench in the width direction of the cable trench, and the fixed shafts extend in the length direction of the cable trench; the jacking rods extend in the width direction of the cable trench, the middles of the at least two jacking rods are hinged to the at least two fixing shafts in a one-to-one correspondence mode, the first ends of the jacking rods are provided with cover plate matching parts, and the connecting rod extends in the width direction of the cable trench and is hinged to the second ends of the at least two jacking rods. When the jacking assembly is in the storage state, the cover plate matching part extends upwards out of the cable trench, and when the jacking assembly is in the storage state, the cover plate matching part is downwards stored in the cable trench; the electric driving piece is in driving connection with the connecting rod so as to drive the jacking assembly to be switched between the jacking state and the storage state. Through the technical scheme provided by the invention, the problem that a large amount of manpower and time are consumed when the cover plate needs to be frequently opened and closed in the prior art can be solved.

The invention discloses an automatic turnover mechanism for various cylinders of a compressor. The automatic turnover mechanism comprises a power system, a turnover system and a support frame, the power system comprises a hydraulic oil cylinder I and a hydraulic oil cylinder II; the turnover system comprises a turnover plate, a clamping block and a slide way; the turnover plates are connected with the hydraulic oil cylinder II through the transmission shaft I, the bottoms of the two turnover plates are hinged, the sliding ways and the hydraulic oil cylinder I are fixed to the turnover plates, the clamping blocks move through the sliding ways on the turnover plates, middle holes are formed in one sides of the clamping blocks, and the hydraulic oil cylinder I passes through the middle holes of the clamping blocks and is fixedly connected through the fixing clamping sleeves. And the hydraulic oil cylinder II is fixed on the support frame. The air cylinder blank overturning device has the advantages that the air cylinder blank overturning time is shortened, large-span hoisting potential safety hazards are eliminated, and the machining efficiency of an air cylinder is overall improved.

The invention relates to the technical field of new energy battery power, and discloses a battery pack replacement device, which comprises a top support, a bottom support, a bottom support and a battery pack, the top support comprises two groups of symmetrically arranged suspension arms, and the two groups of suspension arms are connected through one or more cross beams; the suspension arm is provided with a suspension part; the battery tray is provided with a lifting ring for lifting connection; one end of the adjusting lifting appliance is connected to the hanging part, the other end of the adjusting lifting appliance is connected to the lifting ring, and the length of the adjusting lifting appliance is adjustable, so that the lifting of the battery tray is realized. The top support and the battery tray are arranged, the top support can be fixed to the top of the battery cabinet and is not limited by terrains, the adjusting lifting appliance is connected between the top support and the battery tray, and the length of the adjusting lifting appliance is adjustable, so that the replacing requirements of battery packs with different heights can be met, and the universality of the device is improved.

The present disclosure discloses a method for collaboratively controlling a multi-channel braking system of a mine hoist, including obtaining the abrasion loss of the brake shoe by detecting position information of the brake shoe of each of disc brakes in real time, dividing abrasion loss levels by determining different abrasion degrees of the brake shoe, formulating three braking force distributing modes: an average distribution, a proportional distribution, and an index distribution according to the abrasion loss levels, thereby dynamically adjusting a set braking pressure of each of the disc brakes, tracking and controlling the set braking pressure through the disc brakes by adopting a pressure closed-loop control method by utilizing a pressure signal feedback from an oil pressure sensor, implementing a collaborative braking control of the multi-channel braking system of the mine hoist based on the abrasion loss of the brake shoe.

The invention discloses assembly type AAC batten wall auxiliary installation equipment, and relates to the technical field of AAC batten wall installation, the assembly type AAC batten wall auxiliary installation equipment comprises a frame, the frame is composed of multiple sets of steel pipes, and one side of the frame is provided with a batten wall body and an auxiliary installation mechanism; the designed frame and the auxiliary mounting mechanism are combined, a steel wire rope is driven by a winch to be wound in the using process, so that one end of the bottom plate is upwards inclined and erected, a batten wall body on the bottom plate is driven to be erected, meanwhile, a pressing block can clamp the batten wall body under the condition that human intervention is not needed, and the batten wall body can be conveniently mounted. The batten wall main body is clamped and limited in the erecting process, the occurrence probability of movement and displacement is avoided, the batten wall main body on the bottom plate does not need to be manually fixed and installed in the erecting process, the working efficiency is greatly improved, and the labor intensity of workers is reduced. And instability and potential safety hazards possibly caused by manual fixing of the batten wall body are avoided, and the installation efficiency and the installation quality are improved.

To provide a transport device capable of improving the work efficiency for transporting a transport object to a target position.SOLUTION: A transport device comprises: a transport part 90 transporting a transport object L; an electric motor 6 for lifting up and down a first arm 7 provided on the transport part 90; first and second operation levers 20, 30; a load cell 24 for operation levers for outputting an operation signal corresponding to a displacement amount of the operation levers; and a control part for controlling the electric motor 6 on the basis of the operation signal output from the load cell 24 for operation levers. The control part controls the electric motor 6 so as to reduce a rotation speed of the electric motor 6 to a second rotation speed slower than a first rotation speed, when the electric motor 6 is driven at the first rotation speed and when the transport object L is determined to arrive at a prescribed position separated from a target position.SELECTED DRAWING: Figure 2

One embodiment of a modular device for removal, storage, and installation of removable components of a convertible vehicle according to the present disclosure comprises a wheeled base, a vertical support structure, and a horizontal support component, and a connector plate. The vertical support structure may attach to the wheeled base in a “stored” or “deployed” position. Similarly, the horizontal support component may attach to the wheeled base in a “stored” position or to the vertical support structure in a “deployed” position. Another embodiment of a modular device further comprises a plurality of support rods and storage rods. The support and storage rods may attach to the wheeled base in a “stored” or “deployed” position. One embodiment of a system according to the present disclosure comprises a device for removing, storing, and installing removable components from convertible automobiles that is configured to connect to a mechanical lifting device.