52 results about "Falling Objects" patented technology

The utility model relates to tower crane technical field, especially safety protection type tower crane, including main body stand, be equipped with a plurality of support frame and with the installation block that is connected to it on main body stand, a plurality of protective net, protective net is connected with the installation block through second mounting bolt, a plurality of telescopic subassembly, telescopic subassembly both ends are connected with the installation block and support plate respectively through connecting component, and support plate bottom end is connected with fixed cone, a plurality of building link frame, and building link frame includes spiral groove disc and cross -bracing pull frame, spiral groove disc is connected support frame through carousel, and cross -bracing pull frame is connected spiral groove disc through plug connector, the utility model discloses through the setting of telescopic subassembly and installation block, can four -sided support to tower crane body, and the ability of anti -tilting is strengthened, through the setting of protective net, can undertake the component such as falling, effectively reduce the risk of high -altitude falling object to hurt the equipment and the personnel below, utilize the overall structure of building to share horizontal load, and the stability is strengthened.

The utility model relates to express sorting technical field, concretely relates to a sorting frame and sorting system. The sorting frame includes backboard, guide structure and two side plates, and the two side plates are spaced apart in the first direction, the backboard is connected to one side of the two side plates in the second direction to cooperate with the two side plates to define a falling object space, and the side of the falling object space away from the backboard is formed with an entrance, the guide structure includes a first guide plate, the first guide plate includes a first guide plate body, the first guide plate body is arranged at the entrance, and the first guide plate body gradually extends towards the gravity direction and the direction close to the backboard from the side away from the backboard, wherein the first direction, the second direction and the gravity direction are perpendicular to each other, specifically, most of the articles pushed out of the conveying belt are first received by the first guide plate body arranged obliquely, and then further guided away from the conveying belt, so that the articles will not overturn under the action of gravity and hit the lower conveying belt.

The application relates to the technical field of safety helmets, in particular to an impact device for safety helmet testing, which aims to solve the problem that it is inconvenient to switch the impact head during testing, and comprises a base, two vertical plates fixedly installed on the upper surface of the base, a sliding rod fixedly installed on the upper surface of the base, a folding assembly arranged above the base, an impact assembly arranged above the base, and a positioning assembly arranged outside the impact assembly. Through cooperation of a motor, a rotating wheel and a steel wire rope, the impact assembly can move downwards, the impact head can move downwards, the safety helmet can be impacted, the clamping ring can be rotated through the spring, the arc-shaped plate and the positioning block, the clamping ring can drive the rotating shaft and the triangular plate to rotate, the triangular plate can drive the pressure sensor, the conical head, the circular head and the square head to switch, so that the device can simulate different falling objects when the safety helmet is tested, and the precision of the safety helmet impact test is improved.

This invention discloses an integrated driver protection device, relating to the field of vehicle protection technology, aiming to solve the problem of limited protection capabilities of the body of mining vehicles for drivers and passengers in existing technologies. The protection device includes a connecting mechanism, an anti-rollover frame, and an anti-falling object mechanism installed sequentially from bottom to top. The connecting mechanism is used to fix the anti-rollover frame to the vehicle frame assembly. The anti-falling object mechanism is connected to the anti-rollover frame via a fixing mechanism and is located on the side of the anti-rollover frame closer to the driver's cab. The anti-rollover frame is a multi-layered rectangular frame formed by interconnected crossbeams and longitudinal beams. The anti-falling object mechanism and the anti-rollover frame are combined together by the fixing mechanism, enabling the protection device to simultaneously provide anti-rollover and anti-falling object functions.

This utility model relates to the field of protective device technology, and discloses a safety protection device for geological disaster control engineering construction. It includes a support frame, with a support plate fixedly connected inside the support frame. Multiple fixing plates are fixedly connected to the front side of the support plate. Fixing rings are fixedly connected to the four corners of the front side of each fixing plate. Limiting posts are fixedly connected inside two pairs of fixing rings in the same vertical direction. Two connecting plates are rotatably connected to the outside of each of the two limiting posts. Moving posts are rotatably connected inside two pairs of connecting plates in the same vertical direction. Two transmission plates are rotatably connected to the outside of each of the two moving posts. In this utility model, the impact force acts on the shock-absorbing mesh, pushing the extrusion plate backward. Position correction is achieved by restoring the air pressure inside the sealed chamber and then extruding the extrusion plate again, thus achieving a buffering and shock-absorbing effect on falling objects and preventing injury to workers operating at the bottom of the work area.

This invention relates to the field of prefabricated cabin technology, specifically a high-strength metal prefabricated cabin structure device, including a forklift cabin. A protective steel plate is provided on the top of the forklift cabin. Two columns are installed on the lower surface of the protective steel plate near the back of the forklift cabin. Multiple limiting rings are installed on the columns at equal intervals from top to bottom. A guide seat is provided below a compression spring. One end of the guide seat is connected and fixed to the forklift cabin. A guide hole is opened on the upper surface of the guide seat, through which the columns pass. The compression spring is sleeved on the column. This invention has the following beneficial effects: Adding a protective steel plate to the top of the forklift cabin serves as the first line of defense against impact, absorbing the direct impact of falling objects from a height, preventing the impact force from directly acting on the main body of the forklift cabin, fundamentally preventing irreversible damage such as dents and bends in the forklift cabin, significantly improving the impact resistance and protection capability of the forklift cabin, and ensuring driver safety.

This application discloses a falling object detection method, apparatus, and computer-readable storage medium. The falling object detection method includes: acquiring a moving target region image in an image to be identified; tracking the moving target in the moving target region image to obtain the trajectory information of the moving target; and determining whether a falling object phenomenon has occurred in the image to be identified based on the moving target trajectory information; wherein the falling object phenomenon includes a change in the position of the moving target in a reference direction. Through the above methods, this application can improve the accuracy of falling object detection.

The utility model discloses a kind of turnover assembly type tower crane foundation protection plate, it is related to building construction field, including outer fender, inner circle fender and tower crane foundation, the upper surface of the tower crane foundation is installed with tower crane standard section, the outer fender is installed on tower crane foundation surface and located tower crane standard section outside. By eight trapezoidal steel plates of outer fender by bolt connecting piece one and insert structure stacking assembly, then the inner circle fender is stacked into four prism by four L-shaped steel plates, inside closed protection is formed at this time, outer fender covers tower crane foundation periphery, prevent personnel to climb or falling object impact, the standardization design of trapezoidal steel plate and L-shaped steel plate, support quick assembly and disassembly, adapt to different tower crane foundation size, meanwhile, the protection is clearly divided safety area, avoid personnel to enter tower crane work area at will, reduce the risk of high-altitude falling object and mechanical injury, reach the effect of repeatable turnover, save cost.

This invention relates to the field of building canopy technology. To address the lack of interception capabilities for falling objects from heights in existing building canopies, this invention discloses a building buffer canopy designed to prevent such incidents. The canopy includes a roof panel, with a mounting housing at one end. An inclined buffer plate is movably mounted on the side of the mounting housing near the roof panel. In use, when a falling object lands on the buffer plate, the buffer airbag is compressed and deformed. Air from the buffer airbag is then transported via a connecting pipe to a blocking airbag. The inflated blocking airbag extends from the mounting housing and blocks the side of the buffer plate, preventing the falling object from sliding off and causing danger. Simultaneously, an alarm sounds, alerting people to stay away from the area around the roof panel and prompting staff to promptly check and remove any falling objects intercepted by the blocking airbag on top of the buffer plate, thus enhancing safety.

This invention belongs to the field of safety helmet technology, specifically disclosing a multifunctional safety helmet, including a shell, an inner shell, a cushioning and warning component, a tightening strap, and an assistive dustproof breathing device. This invention achieves active protection and team early warning without energy consumption by automatically sounding an alarm when a falling object hits the helmet through a purely mechanical impact alarm mechanism; it also innovatively recovers and reuses exhaled energy, significantly reducing inhalation resistance and improving comfort during extended wear through an exhalation-energy storage and inhalation-energy release assistive method. The entire system is compact, requires no external power supply, and is safe and reliable. While ensuring head protection, it simultaneously solves the industry pain points of traditional dust masks, such as difficulty breathing and the inability to provide timely warnings after an accident, demonstrating high inventiveness and practicality.

This utility model discloses an articulated dump truck anti-rollover and anti-falling-object cab, comprising a cage-like frame structure without A-pillars, welded together from a roof frame, a rear frame, a floor frame, door pillars, and two sets of side frames. The cage-like frame is covered with a skin assembly. The side frames include B-pillars and C-pillars connecting the roof frame and the floor frame, and several support beams located between the B-pillars and C-pillars. The advantages of this utility model compared to existing technologies are: it provides an articulated dump truck anti-rollover and anti-falling-object cab that ensures cab strength and reduces obstruction of vision.

The utility model discloses an underground mining anti-falling safety protection net, which comprises a fixed half ring, a limiting half ring, a locking assembly and an elastic assembly. A plurality of fixed half rings are symmetrically arranged in the inner cavity of a mine shaft, and a fixing assembly is arranged on the outer side of the fixed half ring. A plurality of limiting half rings are symmetrically arranged on the inner side of the fixed half ring. The locking assembly is arranged at the splicing position of the fixed half ring and the splicing position of the limiting half ring. The locking assembly comprises an insertion connecting part arranged at the top of the splicing position of the fixed half ring and the limiting half ring. A tensioning part is connected to the insertion connecting part. The elastic assembly is arranged on the opposite side of the fixed half ring and the limiting half ring. The utility model fixes the spliced fixed half ring and the spliced limiting half ring by using the locking assembly. The elastic assembly arranged on the opposite side of the fixed half ring and the limiting half ring is used to prevent objects from falling. The design can flexibly intercept the falling objects during the transportation of the mine shaft basket, avoid the direct falling of the objects, and affect the safety of the staff at the bottom of the mine shaft.

The highway bridge tunnel high-altitude detection work platform with the anti-falling protection function comprises a base and a top plate, an extension assembly is arranged on the base, the extension assembly comprises a rack plate, a side plate and an extension plate, a motor is fixedly installed at the bottom end of the base, a motor shell is arranged on the periphery of the motor, and the rack plate is fixedly installed on the top plate. An output shaft of the motor extends into the base and is rotationally connected with the base through a bearing, and a gear is fixedly installed on the output shaft of the motor. Through the arrangement of the buffer assembly, under the cooperation of a damper with a plurality of springs, when an object falls from a high place and impacts the top plate, the damper and the springs can effectively buffer impact force, disperse and absorb energy of the falling object, and reduce impact force of falling of the object on the top plate, a working platform below the object and personnel; serious consequences such as top plate breakage, working platform damage or personnel injury caused by overlarge impact force are avoided, and the service life of the working platform is prolonged.

The utility model discloses a construction safety management construction is prevented falling and is blocked net, including prevented falling and is blocked net main part, hook subassembly and assembly mechanism, prevented falling and is blocked net main part includes frame, main net body and edge buffer zone, after the edge buffer zone is installed to the inside edge of frame, the main net body is installed on the edge buffer zone, prevented falling and is blocked net main part is provided with a plurality of, after realizing transverse or longitudinal splicing through the assembly mechanism between adjacent prevented falling and is blocked net main part, respectively through the hook subassembly hang and place fixed in the use position. The utility model has the advantages compared with prior art: the edge buffer zone is through the elastic deformation and absorbs the kinetic energy of falling object, reduces the risk of net body tearing, solves the problem that the traditional single layer net body weak impact resistance, easy to break, through the assembly mechanism allows horizontal / longitudinal free combination, adapts to different span demand, expands the use range while improving the stability of use.

The upper part of the screw electric submersible pump can be positively pressed to prevent the flexible valve from falling out, and relates to the technical field of oil pumping pump tools, which comprises a valve cylinder fixed on the upper port of the screw pump, a detachable lining ring connected in the valve cylinder, a high-molecular flexible valve plate fixed on the lining ring, and a flow passage is arranged in the center of the high-molecular flexible valve plate, and the center of the high-molecular flexible valve plate is convex upward and the flow passage is closed in the shutdown state. The utility model solves the problems that in the traditional technology, the impurities and other foreign matters in the oil pipe fall back into the pump when the screw pump unit is in the shutdown state, causing the blockage of the pump, and when the existing screw pump needs to be positively pressed through the oil pipe, the existing valve group structure is limited, and the pressure test function cannot be realized.

The utility model provides a high -rise building steel attached type lifts and lowers scaffold outer side protection structure belongs to protection structure technical field to solve the outer end of existing scaffold usually just installs a layer of protection structure, when the high altitude falling object appears continuously in the same position, the protection structure can be damaged in the process of blocking the first falling object, thereby cannot block the problem of continuous falling object, including protection mechanism. Sliding away from fixed frame direction and opening a certain interval of movable frame, then using connecting piece to fix the protection piece on the outer end of fixed frame and movable frame, through the interval reserved between movable frame and fixed frame, when the outer end protection piece of fixed frame encounters falling object impact, the interval provides sufficient buffer allowance for the protection piece, fully releases its buffering efficiency, even if the outer end protection piece of fixed frame is damaged by impact, the movable frame after interval and its protection piece still can relay quickly, continuously plays the protection barrier effect, greatly weakens the potential harm caused by continuous falling object.

This utility model provides a cantilevered unloading platform for construction engineering, belonging to the technical field of construction equipment. It addresses the problem of unauthorized operations where hoisting work is started before personnel have been safely evacuated, leading to safety accidents such as falls from heights, falling objects, and even platform instability and overturning. The platform includes a base plate, protective fencing, safety doors, supporting cantilever arms, a warning horn, a fall arrest component, and a safety hoisting component. The protective fencing is welded to the top of the base plate. The safety doors are hinged to the front left and right sides of the protective fencing. The supporting cantilever arms are welded to the front left and right sides of the base plate. The warning horn is fixedly connected to the rear of the safety doors. The fall arrest component is located on the outside of the supporting cantilever arms. The safety hoisting component is located on the inside of the protective fencing, thus improving the safety of hoisting operations on the unloading platform.

This invention provides a construction method for reinforcing existing brick-concrete cast-in-place buildings by adding elevator shafts. The method includes: carrying out construction; pre-embedding components in the side walls; installing the columns of this floor and connecting them to the columns of the upper and lower floors; installing beams and fixing subsequent steel plates to the original structural beams; fixing the beams to the subsequent steel plates and injecting structural adhesive into the gaps between the beams and the original floor slab; and cutting the floor slab into sections. The pre-embedded components provide a reliable lower anchoring foundation for the steel structural columns; the columns are connected through the floor slabs using through bolts, forming a vertically continuous load-bearing system between the upper-level columns, the floor slab, and the lower-level columns. Layered installation can be performed without waiting for foundation curing, avoiding safety hazards such as instantaneous structural imbalance, wall cracking, and floor slab deformation caused by cutting the floor slabs before installation; and cutting and hoisting the floor slabs into sections reduces impact disturbance to the original structure and eliminates the risk of falling objects from heights.

This invention belongs to the field of bridge construction technology and discloses a self-lifting tie beam support system for bridges, including a bridge pier, and further including: a lifting component, which is hoisted to the top of the bridge pier by a lifting device; and a platform component, which is disposed outside the bridge pier and is supported against the outside of the bridge pier by a stabilizing component. This invention avoids potential hazards such as falls from height, mechanical injuries, lifting injuries, electric shocks, and falling objects that may occur during the installation and dismantling of the bridge platform. The entire construction process involves no work with loose parts at height, and personnel remain on the ground or within a stable platform, achieving "zero risk of falls from height." This effectively reduces the probability of safety accidents, significantly reduces the repeated installation and dismantling of the support platform, greatly reduces the use of manpower and machinery during construction, and accelerates the construction progress of the tie beam.

The present application relates to the technical field of lifting appliance, and proposes a H-shaped steel automatic lifting appliance based on swing guide rod and gravity sliding mechanism, which comprises: steel wire ropes, the one ends of the steel wire ropes are arranged on a lifting device, and further comprises: a frame, the frame is provided with a plurality of mounting seats, and the other ends of the steel wire ropes are arranged on the mounting seats respectively; hook assemblies, two hook assemblies are arranged on the two ends of the frame respectively; an adjusting assembly, the adjusting assembly comprises: a rotating shaft, which is rotatably arranged on the frame, and the two hook assemblies are hingedly arranged on the two sides of the rotating shaft; a rotating disc, which is arranged on the rotating shaft, and the rotating disc is used to drive the two hook assemblies to move close to or away from each other through the rotating shaft after the rotating disc rotates; and a center rope, which is movably arranged on the rotating disc, through the above technical solution, the problem that goods have the risk of falling and signal riggers are prone to life danger caused by high-altitude falling objects in the related art is solved.

This utility model belongs to the field of petroleum exploration and relates to a split-type wellhead anti-falling object device, including a first split pressure sleeve flange, a second split pressure sleeve flange, and a self-sealing core. The bottom of the first split pressure sleeve flange is fixed to the second split pressure sleeve flange, and a space is provided between the first and second split pressure sleeve flanges. The self-sealing core includes an upper ring part and a lower pipe part. The upper ring part is disposed within the space, and the lower pipe part of the self-sealing core passes through the flange hole in the middle of the second split pressure sleeve flange. This utility model solves the problem that casing overflow is difficult to detect in a timely manner due to the sealing performance of the rubber sleeve.

This invention relates to the field of lifting equipment technology, specifically disclosing a double self-locking anti-detachment lifting hook. The hook includes a lifting rod and a lifting hook. A groove is provided on the inner side of the end of the lifting hook. It also includes a connecting lug, an outer pressure plate, an inner pressure plate, a first receiving cavity, and a guide rail. One end of the outer pressure plate is rotatably connected to the connecting lug via a first pin. The inner pressure plate is located at the bottom of the outer pressure plate, with one end rotatably connected to the outer pressure plate via a second pin, and the other end connected to a slider. The outer pressure plate automatically closes due to the elastic pushing force of a second spring, and its end engages with the groove of the lifting hook, forming a first layer of self-locking. Under the linkage of the outer pressure plate, the inner pressure plate is horizontally positioned above the hook-shaped part of the lifting hook, forming a second layer of self-locking. This completely solves the core problem of insufficient reliability of existing single anti-detachment structures, significantly improves the safety of lifting operations, and effectively avoids safety accidents caused by falling objects.

This invention discloses a detachable curtain wall unit and its weld-free rapid assembly structure, relating to the field of curtain wall unit assembly technology. It includes a curtain wall unit, a building wall, and embedded parts. The main frame has a plug-in mechanism and a horizontal fine-tuning mechanism on both sides. The plug-in mechanism is used to plug into and cooperate with adjacent curtain wall units to achieve initial alignment and lateral limitation. The horizontal fine-tuning mechanism is used to drive the plug-in mechanism of adjacent curtain wall units to move. This invention utilizes the plug-in mechanism to achieve initial docking and positioning of adjacent curtain wall units, and then uses the horizontal fine-tuning mechanism to complete precise horizontal displacement and tight side fit within the floor. This eliminates the need for close-range high-altitude operation of heavy components, effectively avoiding safety risks such as falls from heights and impacts from falling objects. It significantly shortens the installation cycle of a single curtain wall unit, significantly improves the overall construction and assembly speed, and meets the needs of rapid and standardized construction in modern buildings.

The present invention relates to a fall prevention device for a bucket used by a worker at heights, comprising a first fixed member and a second fixed member coupled to the lower side of a bucket on which a worker at heights is seated, a first rotating member with both ends respectively inserted into the first fixed member and the second fixed member and rotatably coupled thereto, a first supporting member with one end coupled to the outer surface of the first rotating member, and a first fall prevention plate with one side of its body coupled to the other end of the first supporting member, thereby preventing work tools or materials that accidentally fall and collide with pedestrians or workers on the ground while the worker is working on a work object outside the bucket, thereby preventing injury.

This invention discloses an oilfield downhole fishing device, comprising: a sleeve with an open receiving cavity, wherein an object to be fished is adapted to be inserted into the receiving cavity through the opening, and a lateral thrust surface is formed on the inner wall of the receiving cavity; and a clamping mechanism movably disposed within the receiving cavity along the axial direction of the sleeve, the clamping mechanism including at least two clamping members for cooperating clamping; during the movement of the clamping mechanism along the axial direction of the sleeve, the clamping members respectively slide and engage with the lateral thrust surface, and can move closer or further apart under the action of the lateral thrust surface to contract or expand, thereby clamping or releasing the object to be fished. The oilfield downhole fishing device of this invention is used to fish for objects that have fallen into the well and improves the clamping effect on the fallen object, preventing it from falling during the upward lifting process.

This invention provides a method and system for adaptive intensity adjustment of a high-altitude falling object safety simulation device, relating to the field of haptic simulation technology. Upon detecting that a user is wearing a safety helmet, the method obtains the user's desired experience level and the initial distance between the weight and the helmet in the high-altitude falling object safety simulation device. Then, using the desired experience level, a target distance between the weight and the helmet is determined. If the initial distance is greater than the target distance, the position of the weight is adjusted based on the difference between the initial and target distances. Finally, the adjusted weight simulates a high-altitude falling object. This method considers the current operating parameters of the high-altitude falling object safety simulation device, the material wear characteristics of the helmet, and the user's wearing posture characteristics. It can dynamically determine the target distance between the weight and the helmet, limiting absolute kinetic energy while ensuring a consistent level of pain, thus achieving an extremely personalized safety experience for the user.

This application relates to a bulk material lifting device. The bulk material lifting device includes: a main lifting frame with a "U"-shaped frame structure; sliding lifting frames that are telescopically mounted on both sides of the main lifting frame; a reinforcing frame, a main frame baffle, and a main frame base plate mounted on the main lifting frame; an openable and closable movable door on the door frame of the sliding lifting frame; a sliding baffle mounted on the sliding surface of the sliding lifting frame; a sliding base plate mounted at the bottom of the sliding lifting frame; the other end of the sliding base plate being mounted in a sliding groove mounted on the vertical frame of the main lifting frame; and lifting lugs respectively mounted on the top of the door frames of the sliding lifting frames at both ends of the main lifting frame. The solution provided by this application enables the main lifting device structure to be formed by the main lifting frame and the sliding lifting frame. Combined with the nested sliding structure of the main frame baffle and the sliding baffle, the lateral gaps are automatically closed during the extension and retraction of the lifting frame, solving the problem of bottom plate joints in traditional lifting buckets, reducing the risk of falling objects from heights, and allowing for free extension and retraction of the sliding lifting frame, thus improving the equipment's versatility.

A construction hoist cage, including cage body, cage door, drive cage door open and close cage door machine, the top of the cage body is provided with inclined guard plate around, the cage door is arranged in the inside corresponding to the guard plate, the chain of the cage door machine is arranged in the inside of the guard plate. The utility model discloses the principle: the top is provided with inclined guard plate around, and rainwater is thrown to the outside of cage along the slope, and the rainwater splashing into the inside of cage is reduced;Inclined guard plate forms the buffer slope, and the impact force of falling object is decomposed into horizontal component force, and the direct damage to the top plate is reduced;The cage door is arranged in the inside of the guard plate, and the guard plate is used as the physical barrier and blocks the external impact and prevents the derailment of the cage door;Chain is located in the inside of the guard plate, and the risk of exposure is reduced.