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101results about How to "Improve the anti-drop effect" patented technology

Anti-drop device

The invention relates to an anti-drop device which can effectively solve the problems that an anti-drop system of an attached type lifting scaffold is not ideal in brake effect, has potential safety hazard, and is complicated in structure, troublesome in installation and use and high in cost. The anti-drop device has the technical scheme that the device comprises a guide support seat, a limit supporting device and a dropping protector, wherein the front end of the guide support seat is provided with a guide chuck; the limit supporting device is arranged at the upper part of the guide support seat by a pin shaft, so that a first movable rotating structure can be formed; the lower part of the guide support seat is provided with the dropping protector; the dropping protector comprises a support frame, a deflecting cam and an anti-drop block; the support frame is connected with the lower part of the guide support seat, and the anti-drop block is arranged on the support frame by a linkage pin shaft, so that a second movable rotating structure can be formed; a blocking head is arranged at the upper part of the anti-drop block; the lower part of the anti-drop block is provided with the deflecting cam. The anti-drop device is novel and unique in structure, simple and reasonable, convenient to assemble and disassemble, labor-saving, time-saving, material-saving, efficient, good in dropping prevention effect, safe and reliable, thus being an innovation of a anti-drop system.
Owner:HENAN TIANLI CONSTR TECH +1

Anti-falling device for bridge construction

The invention provides an anti-falling device for bridge construction. The anti-falling device comprises a mounting box. A first partition is fixed inside the mounting box. A transmission motor is arranged on the upper side of the first partition. Connecting shafts are arranged on the left side and the right side of the transmission motor. A second limiting sliding block is slidably connected in acavity in the low part of each connecting shaft. A second movable rod is fixedly arranged on the low side of each second limiting sliding block. An anti-moving plate is fixedly arranged on the lowersides of the second movable rods. A first limiting sliding block is slidably connected in the cavity in the upper part of each connecting shaft. A first movable rod is fixedly arranged on the upper side of each first limiting sliding block. A lifting plate is fixedly arranged on the upper sides of the first movable rods. First fixing blocks are fixedly arranged on the upper side of the lifting plate. A first guide sliding rod is fixedly arranged between the first fixing blocks. The anti-falling device is reasonable in structural design and convenient to use; when the height of the device is adjusted, the anti-moving plate can be simultaneously driven to support the device and prevent the device from moving; and the device has high stability, good anti-falling effect and high practicability.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Clamp structure for grabbing mechanical equipment

The invention belongs to the technical field of mechanical equipment accessories, and particularly relates to a clamp structure for grabbing mechanical equipment. The clamp structure for the grabbingmechanical equipment comprises a top shell, a main lug, an auxiliary lug, a main frame, bearings, bottom pads, an auxiliary frame and a fixed bolt; and the left side wall and the right side wall of the top shell are fixedly connected with the main lug and the auxiliary lug through screws. The clamp structure for the grabbing mechanical equipment can control a main push rod device and an auxiliarypush rod device to push a telescopic rod, after the telescopic rod influences the main frame and the auxiliary frame, logs of same specification can be clamped, after being matched with the bottom pads, the contact area is large, the friction effect is strong, the sliding probability is reduced, after being clamped, the circumferential outer walls of the logs of the same specification are contacted with side pads, the side pads are stressed to be matched with springs to retract, cross rods synchronously move to trigger trigger switches on contact plates, so that miniature electric push rods push connecting rods, the bottom protection effect is achieved, the falling prevention performance is good, the double-safety effect can be achieved, the transfer of the logs of the same specification has safety and stability, and the transfer efficiency of the logs of the same specification is improved.
Owner:CHANGSHA CITY WANZHENG LORRY CARRIAGE

A kind of anti-falling device of screw nut type building scaffolding

The invention discloses an anti-falling device of a screw and nut type building scaffold. The device comprises a screw, a nut, an anti-falling frame and a spring. The nut is arranged in the anti-falling frame, the upper portion of the nut is provided with the spring, the screw penetrates through the anti-falling frame, the nut and the spring, the upper end face of the nut is provided with a tooth-shaped groove, and the inner surface of an upper plate of the anti-falling frame is provided with a tooth-shaped boss. By means of the nut and the screw with a large lead angle, the nut can ascend and descend automatically when the anti-falling frame ascends and descends at a proper speed, and the nut is prevented from being locked. When ascending speed exceeds the largest ascending speed of the nut, the nut will limit ascending of the scaffold. When descending speed reaches a set safety value of the nut, the nut compresses the spring, the tooth-shaped groove in the upper end face of the nut is matched with the tooth-shaped boss on the inner wall of the upper plate of the anti-falling frame, and accordingly the anti-falling frame is locked and the scaffold is prevented from falling. The anti-falling device is easy and convenient to operate, simple in structure and worthy of application and popularization.
Owner:HENAN POLYTECHNIC INST

Electrochemical battery and preparation method thereof

The invention belongs to the field of adhesive tape and electrochemical batteries and particularly relates to an adhesive tape and an electrochemical battery with the adhesive tape. The adhesive tape comprises a base material and an adhesive layer. The adhesive layer is attached to at least one surface of the base material, the adhesive tape is of a porous structure, the area of the hole region is S1, and the area of the non-hole region is S2; the thickness of the base material is h1, and the thickness of the adhesive layer is h2; (S2*h2) / (S1*h1) is smaller than or equal to 2. The electrochemical battery with the adhesive tape comprises a naked battery cell and an outer packaging part. The adhesive tape is arranged between the naked battery cell and the outer packaging part, and the naked battery cell and the outer packaging part closely adhere together. In the adhesive tape, (S2*h2) / (S1*h1) is smaller than or equal to 2, in other words, the volume of the portion, in the non-hole region, of the adhesive layer is smaller than or equal to twice of the volume of the portion, in the hole region, of the base material, the hole region has enough space to contain the portion, overflowing from the non-hole region, of the adhesive layer at the moment, and therefore the situation because of uncontrolled flowing of the adhesive layer, the packaging reliability of the battery is finally affected is limited.
Owner:GUANGDONG ZHUGUANG NEW ENERGY TECH

Structure for continuous transformation of existing simply supported hollow slab girder bridge and construction method of structure

The invention relates to a structure for continuous transformation of an existing simply supported hollow slab girder bridge. The structure comprises two hollow slabs and a pier of the existing simply supported hollow slab girder bridge, wherein part of top plates and part of web plates of the two adjacent hollow slabs on the top of the pier are removed through chiseling along the bridge direction; a Y-shaped seam is formed between the end parts of the two chiseled hollow slabs; reinforcing steel bars are laid and concrete is poured in the Y-shaped seam to form a continuous section connected with the two hollow slabs; and a bridge deck pavement is poured on the two hollow slabs and the continuous section again. The invention also relates to a construction method for the continuous transformation of the simply supported hollow slab girder bridge. According to the invention, a feasible and effective guidance method is provided for the continuous transformation of the existing simply supported hollow slab girder bridge, complex construction caused by prestress is avoided, and splits are effectively avoided. The structure is favorable in integrity, has good quake-proof and collapse-proof effects in earthquakes, and has the advantages of simplicity and convenience in construction and strong durability.
Owner:FUZHOU UNIV

Workpiece transposition manipulator of hydraulic stretcher

The invention belongs to the technical field of manipulators, and particularly relates to a workpiece transposition manipulator of a hydraulic stretcher. The workpiece transposition manipulator comprises a rotating motor and an auxiliary rotating arm, and the auxiliary rotating arm is fixedly installed at the output end of the rotating motor; a clamping piece is fixedly installed on one side of the auxiliary rotating arm, and comprises a rotating shaft and two clamping arms; two anti-falling assemblies which are symmetrically distributed are arranged in the clamping arm; after a workpiece is clamped through the two clamping arms, the two anti-falling assemblies are rotated in the opposite directions under the action of the driving piece, and the clamped workpiece is clamped for the second time; the contact area between the clamping piece and the workpiece is increased; therefore, the friction force between the clamping piece and the workpiece is increased, so that the clamping and fixing effect of the clamping piece is better; the contact surface between the workpiece and the clamping piece is increased, and the situations that the contact surface between the workpiece and the clamping piece is small, the local pressure is large, and the exterior of the workpiece is prone to being damaged are effectively avoided.
Owner:SHAANXI TECHN INST OF DEFENSE IND

Fixator for fixing anti-falling device

The invention discloses a fixator for fixing an anti-falling device, and particularly relates to the field of installation of lifting type clothes hanger anti-falling devices. The fixator comprises a support and a ribbon, wherein the support is in the shape of a long strip, a channel penetrating through the support in the length direction is formed in the support at a position close to the bottom surface, a plurality of installation holes extending to the channel are formed near each of the two ends of the bottom surface of the support, and the ribbon can pass through the channel and the installation holes; a convex groove stretching in the length direction of the support is formed in the surface, adjacent to the bottom, of the support in the length direction, and the convex groove and a concave groove in the anti-falling device are matched and can only slide in the length direction; the concave groove in the anti-falling device is assembled on the convex groove in the support, and the ribbon penetrates through the installation holes in the support corresponding to lifters in various specifications to enable the support to be combined with the lifters. The fixator is simple in structure, low in cost, convenient to operate, and capable of fixing the anti-falling device to the lifters in various specifications in a reliable and nondestructive mode so that the anti-falling effect can be improved.
Owner:SHANDONG WANGCHAOTIANRUN MACHINERY MFG CO LTD

Novel beam-fall-preventing damper and damping system comprising novel beam-fall-preventing dampers

PendingCN109736185ARealize damping energy dissipationRealize functionBridge structural detailsHysteresisSnubber
The invention provides a novel beam-fall-preventing damper and a damping system comprising the novel beam-fall-preventing dampers and relates to the technical field of earthquake prevention and resistance. In order to solve the problems that an existing damper cannot simultaneously achieve damping energy dissipation and limiting functions and cannot prevent a beam body from being affected by the temperature and construction errors, the novel beam-fall-preventing damper comprises an oil damper, a straight-tooth steel hysteresis damper, a first connecting component and a second connecting component. One end of the oil damper is hinged to a connecting board on the top face of the straight-tooth steel hysteresis damper through the first connecting component. The second connecting component isused for hinging the other end of the oil damper to an application end. The damping system comprises the 2*N beam-fall-preventing dampers, every two of the 2*N beam-fall-preventing dampers are arranged in a set, the two beam-fall-preventing dampers in each set are in Y-shaped mirror symmetric distribution on a plane, and N is a positive integer. The novel beam-fall-preventing damper and the damping system are used for earthquake prevention and resistance in port engineering.
Owner:INST OF DISASTER PREVENTION +1

Adjustable pediatric nursing bed with high comfort level

InactiveCN108743098AGuaranteed comfort and firmnessAdd massage functionRoller massageNursing bedsProtective barrierFastener
The invention provides an adjustable pediatric nursing bed with a high comfort level. The adjustable pediatric nursing bed comprises a cleaning door, a dustbin, a bed tail plate, a barrel cover, a bedboard, a headboard, a hanging rod, a main side rod, an auxiliary side rod, a protective barrier, a rubber mattress, comfortable damping and buffering spring structures, child-movement-preventive slidable adjustment belt structures, an emergency record and transfer book structure and lifting-adjustable rapid transfer wheel structures. The vertical left side of the cleaning door is connected to a right lower outlet of the dustbin through hinges. The adjustable pediatric nursing bed has the advantages that through a connection base, a linear sliding rail, main U-shaped sliders, wing-shaped fastening bolts, auxiliary U-shaped sliders, main protection belts, auxiliary protection belts, primary hook and loop fasteners and secondary hook and loop fasteners, the problem that nursing is influenceddue to movement of children on the bed is solved, gaps between the main protection belts and the auxiliary protection belts can be adjusted slidably according to different heights of the children, and firmness and comfort level in fixation are guaranteed; through massage wheels, axles and a fixed axle seat, a back massage function for the children is added.
Owner:陆宝娥

Deflation device for anti-falling protective clothing

InactiveCN108378437AShorten outgassing reaction timeImprove the anti-drop effectProtective garmentGas cylinderEngineering
The invention provides a deflation device for anti-falling protective clothing. The deflation device comprises a gas cylinder filled with compressed gas and has the structural characteristics that thegas cylinder is arranged in a gas cylinder container, and an opening in the top of the gas cylinder is sealed by a sealing material capable of being pierced; a hollow pricker which is fixed at the top end of the gas cylinder container and has an internal gas guide through hole is suspended and aligned to the opening, the upper end of the hollow pricker is connected with a gas guide pipe through anon-return valve, and the gas guide pipe is connected with an anti-falling protective gas bag; and a gas cylinder pushing mechanism is arranged at the bottom of the gas cylinder container, and the gas cylinder pushing mechanism can push the gas cylinder to be quickly bounced upwards when falling danger exists to enable the hollow pricker to pierce the sealing material for sealing the opening of the gas cylinder, thereby inflating the anti-falling protective gas bag through the hollow pricker and the gas guide pipe. The deflation device is short in deflation reaction time, good in anti-fallingeffect when being used for the anti-falling protective clothing, small in overall volume, light in weight and simple in structure.
Owner:SOUTHWEST JIAOTONG UNIV

Multifunctional measuring device for engineering construction

The invention discloses a multifunctional measuring device for engineering construction, and belongs to the technical field of measuring devices. The multifunctional measuring device for engineering construction comprises a connecting ring, a first connecting lug and a connecting main rod, the first connecting lug is fixedly connected to the outer wall of the connecting ring; a folding supportingmechanism is connected to the first connecting lug; the connecting main rod is telescopically connected to the connecting ring; the connecting ring is further rotationally connected with a locking casing pipe. The locking casing pipe is matched with the connecting main rod; a clamping disc is fixedly connected to the top end of the connecting main rod, a rotary connecting mechanism is connected tothe clamping disc, the top surface of the rotary connecting mechanism is connected with a gradienter, mounting blocks are fixedly connected to the top surface of the gradienter, and a multifunctionalmeasuring mechanism is rotatably mounted between the mounting blocks; the problems that an existing design is large in size, fixed in structure and inconvenient to carry, an anti-falling protection device is not arranged, and damage is likely to happen due to accidental toppling in the using process are effectively solved.
Owner:TONGREN UNIV

Mining machinery auxiliary conveying device

The invention relates to the technical field of mining machinery, and discloses a mining machinery auxiliary conveying device which comprises a supporting plate. A belt conveyor is fixedly mounted at the upper end of the supporting plate through a plurality of mounting side plates, four supporting legs are fixedly mounted at the lower end of the supporting plate, and the four supporting legs are distributed at the lower end of the supporting plate in a cross-shaped array mode. Motor mounting frames are fixedly mounted at the lower ends of the supporting legs, the lower ends of the motor mounting frames are fixedly mounted in the middle of the upper end face of a bottom plate, and a driving motor is fixedly mounted at the bottom end in each motor mounting frame. Two transmission shaft barrels are symmetrically and rotationally mounted at the positions, located on the left side and the right side of each motor mounting frame, of the upper end of the bottom plate, wherein the lower ends of the two transmission shaft barrels penetrate through the bottom plate and extend into the bottom plate, and supporting screws are engaged in the transmission shaft barrels. According to the mining machinery auxiliary conveying device, moving and fixing are convenient, the anti-falling effect is good, the storage function is achieved, the functions are diversified, and the automation degree is high.
Owner:LOUDI DINGHONG AUTOMATION EQUIP

An anti-falling device for a construction site elevator

ActiveCN108840200BImprove the anti-drop effectRealize blocking and anti-fallingElevatorsControl theoryLeadscrew
The invention discloses an elevator anti-falling device for a construction site. The elevator anti-falling device comprises two base plates which are parallelly arranged; an elevator is arranged between the two base plates; two limiting rail strips are fixedly mounted at each of the two side edges of the elevator; the two limiting rail strips located at the same side edge of the elevator are distributed in an axial symmetry mode with respect to the elevator longitudinal center line where the two limiting rail strips are located; a fixed plate and a moving plate are arranged between every two limiting rail strips, and the moving plates are located below the fixed plates; the upper ends of the moving plates and the lower ends of the fixed plates are fixedly connected through spring rods; sliding grooves are formed in the middles of the opposite sides of every two limiting rail strips correspondingly; and the two sides of the moving plates are fixedly connected with sliding blocks correspondingly, and the thickness of the sliding blocks is equal to the groove width of the sliding grooves. The elevator anti-falling device for the construction site is pushed through worm wheels and leadscrews, a barrier layer is arranged on a nearest elevator room during elevator falling, the falling elevator is blocked and prevented from falling, and immeasurable losses caused by excessively largegravitational potential energy are avoided.
Owner:李田

Mobile phone shell with good shock resistance and drop resistance

The invention discloses a mobile phone shell with good shock resistance and drop resistance, and relates to the technical field of mobile phone protection. A support deformation sliding block moves asliding grip at one end of the support deformation sliding block and a support deformation groove to the outside of a mobile phone shell body through a support deformation sliding rod; one end of thesupporting deformation sliding block is connected with a sliding grip through a pin. The sliding grip and the support deformation groove can freely swing outside the mobile phone shell body; a user can hold the sliding grip and support the deformation groove to play games; the sliding grip and the support deformation groove can be reversed through a pin to be used as a support frame of the mobilephone; the shockproof air bag is filled with nitrogen in the solid nitrogen cylinder under the condition of 0.1 s; the shockproof air bag wraps the mobile phone shell body and the mobile phone in themobile phone shell body, so the mobile phone is prevented from being vibrated and broken, and the mobile phone shell body and the mobile phone in the mobile phone shell body slowly fall off under theaction of friction and elastic force of the annular rotating groove and the torsion spring of the steel wire of the anti-falling fixing lantern ring.
Owner:东莞市林泽通讯器材有限公司

Multistage-speed-limiting fall protection device of construction hoist

The invention relates to the technical field of building equipment, and discloses a multistage-speed-limiting fall protection device of a construction hoist. The device comprises an outer shell, the interior of the outer shell is movably connected with a main shaft, the exterior of the main shaft is movably connected with a clamp braking device, the exterior of the main shaft is fixedly connectedwith a copper sheet ring, electromagnetic rings are movably connected to the exterior of the copper sheet ring, positioning sleeves are fixedly connected to the exteriors of the electromagnetic rings,an inductor is arranged in each positioning sleeve, and a speed-limiting electromagnet is fixedly connected to the interior of each positioning sleeve. Through cooperative use of the copper sheet ring, the electromagnetic rings, the positioning sleeves, the inductors, the speed-limiting electromagnets, speed-limiting magnets, speed-limiting lantern rings and push rods, the effect of automaticallylimiting the rotating speed of the main shaft is achieved, thus the too high rotating speed of the main shaft is effectively avoided, the stability of the rotating speed of the main shaft is guaranteed, further, the stability of the lifting process of the hoist is guaranteed, then the safety of workers and goods is guaranteed, and the use effect of the device is improved.
Owner:罗跃红
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