61results about How to "Improve hoisting safety" patented technology

The invention discloses a fabricated light-weight energy consumption wall component of a shear wall. The wall component comprises a reinforced concrete wallboard. Holes are arranged in the reinforced concrete wallboard, energy consumption parts are fixed in the holes and comprise hole pre-burying boards, connecting plates and yielding energy consumption steel plates, the hole pre-burying boards are pre-buried in the reinforced concrete wallboard, the connecting plates are vertically and medially connected to inner sides of the hole pre-burying boards, and the top and bottom of each yielding energy consumption steel plate are connected with the corresponding connecting plate. According to the wall component, the holes are arranged, so the weight of the component is lightened, earthquake force borne by the wall is reduced, the component can be conveniently transported, transportation cost is reduced, meanwhile hoisting pressure in the construction process is relieved, construction safety is guaranteed, and construction efficiency is improved; the steel plate shear wall type energy consumption parts are arranged in the holes, shear deformation of hole positions occurs under the action of shear force, energy consumption of the steel plates is achieved through buckling, damage to the concrete wallboard can be reduced, and safety of the shear wall under the earthquake action is effectively guaranteed.

The invention relates to a slope joint mechanism and a concrete box girder lifting appliance. A connecting block is installed at the left end of a base in a vertically sliding mode. An extrusion plate is hinged to the right end of the base. The connecting block is provided with a first connecting rod, a second connecting rod and a third connecting rod which are parallel to one another. The left ends of the connecting rods are hinged to the right end of the connecting block. A vertical rod is arranged on the right side of the connecting block and hinged to the first connecting rod, the second connecting rod and the third connecting rod at the same time. The right ends of the first connecting rod, the second connecting rod and the third connecting rod are provided with longitudinally arranged rotating shafts. The extrusion plate is provided with a sliding groove, and the rotating shafts are arranged in the sliding groove. A downward acute angle is reserved between the third connecting rod and the extrusion plate. The concrete box girder lifting appliance comprises two slope joint mechanisms arranged symmetrically, wherein the two slope joint mechanisms are connected through a supporting beam, the two ends of the supporting beam are connected with the connecting blocks correspondingly, and the extrusion plates are arranged below the supporting beam. The slope joint mechanism and the concrete box girder lifting appliance are ingenious in structure and convenient to operate.

The invention belongs to the field of concrete prefabricated box girder hoisting, and particularly relates to a concrete prefabricated box girder rapid hoisting appliance. The hoisting appliance comprises a left hoisting device and a right hoisting device, wherein adjusting devices for adjusting the distance between the left hoisting device and the right hoisting device are arranged on the left hoisting device and the right hoisting device; and the left hoisting device and the right hoisting device are the same in structure and each comprise an L-shaped support, a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism is arranged on the upper half part of the L-shaped support, the second positioning mechanism is arranged on the lower half part of the L-shaped support, two symmetrically arranged auxiliary travelling wheels are arranged at the bottom of the L-shaped support, and the top of the L-shaped support is provided with two symmetrically arranged hoisting rings. According to the hoisting appliance, prefabricated box girders with different specifications can be rapidly hoisted without binding by means of steel wire ropes, mutualfriction between the steel wire ropes and the prefabricated box girders can not be generated in the hoisting process, and the hoisting safety is improved.

The invention provides a shackle with overload protection function and belongs to the field of hoisting machinery. Due to the special use occasions, complex hoisting environment and methods, the safety requirements for hoisting shackles are getting higher and higher, and it is urgent to develop a shackle product with overload protection function. The present invention is composed of a "U"-shaped shackle body, a shaft sleeve, a pin shaft, a shackle nut, a safety pin, a wireless transmitting instrument, a wireless receiving control instrument and a large-screen display; the shaft sleeve is placed on the "U"-shaped shackle body In the middle of the "U" shape of the pin, the two are set in the middle of the pin shaft as a whole; one end of the pin shaft has a built-in wireless transmitter, and the other end of the pin shaft is fastened by a shackle nut, and a safety pin is installed on the shackle nut. The design and manufacture of the pin shaft is a resistance strain gauge structure with dual functions of force bearing and sensing weight change, wireless transmitting instrument and wireless receiving control instrument transmit signals, and overload alarm.

The invention discloses a double-quality fly wheel lifting appliance which comprises a lifting plate, a tooth ring covering plate and a clamping plate, wherein the lifting plate is arranged between the tooth ring covering plate and the clamping plate; the lifting plate is connected with the second quality side of a double-quality fly wheel; the tooth ring covering plate comprises a first covering plate and a second covering plate; one end of the first covering plate is hinged with one end of the second covering plate; a first pin shaft is arranged on the first covering plate; a second pin shaft is arranged on the second covering plate; the clamping plate comprises a first clamping plate and a second clamping plate; one end of the first clamping plate is hinged with one end of the second clamping plate; the first clamping plate is connected with the first covering plate by the first pin shaft; the second clamping plate is connected with the second covering plate by a second pin shaft; a third pin shaft is arranged on the hinged part of the first clamping plate and the second clamping plate; the clamping plate is connected with the lifting plate by the third pin shaft. The double-quality fly wheel lifting appliance can be used for reducing the labor intensity of an operator in lifting by effective supporting and limiting, so that the lifting production efficiency of the double-quality fly wheel is improved.

The invention discloses a unilateral glass rib-reinforcement cage structure for a shield tunnel portal diaphragm wall. The structure comprises an underground diaphragm wall reinforcement cage, a tunnel portal steel ring is tightly attached to and connected to the soil backing side face of the underground diaphragm wall reinforcement cage, an annular reinforcement truss which is concentric with thetunnel portal steel ring is connected between a soil facing side face and a soil backing side face of the underground diaphragm wall reinforcement cage, the annular reinforcement truss is located onthe periphery of the tunnel portal steel ring, the parts, located on the inner periphery of the tunnel portal steel ring, of soil facing side vertical reinforcements striding over the tunnel portal steel ring are replaced by vertical glass fiber bars, and the parts, located on the inner periphery of the tunnel portal steel ring, of soil facing side horizontal reinforcements striding over the tunnel portal steel ring are replaced by horizontal glass fiber bars. The tunnel portal steel ring is used for receiving and pre-burying a shield tunneling machine when serving as a main body structure, and the arranged annular reinforcement truss is used for ensuring that the glass fiber bars are not influenced by gravity to be infinitely broken when the reinforcement cage is lifted, so that the lifting safety of the reinforcement cage can be ensured, and the stress requirement of a wall body can be met.

The invention provides multifunctional lifting equipment for architectural engineering convenient to install. The equipment comprises an H-shaped bearing steel frame, a baffle plate bracket, a controlswitch, an adjusting hydraulic column device, an anti-falling hanging hook device, a lifting motor device, an anti-collision spring column device, a movable wheel, a waterproof box, an adjusting switch, a control wire, an oil wire rope, an illuminating lamp tube, a lamp base and a rainproof cover. Through arrangement of a hydraulic extension cylinder and a hydraulic extension rod, the height adjustment of the lifting equipment is facilitated, and the problem of incapability of adjusting the height is solved; through arrangement of an anti-falling spring piece, hung objects are prevented fromunhooking to damage, the lifting safety of the lifting equipment is improved, and the problem of no anti-falling clamping ring on a hanging hook is solved; and through arrangement of a damping pipe, an anti-collision spring and a damping cylinder, a lifting motor and a limiting roller are protected from colliding in left-right translation, and the problem of no collision preventing function is solved.

The invention discloses a construction method for a prefabricated column to be lifted in position for one time. Before concreting, turning-over holes and lifting holes are embedded at designed positions through polyvinyl chloride (PVC) pipes, and mechanically connected lifting riggings are matched, so that the precast column bears force equally and uniformly during lifting. The method aims to protect finished products and avoid dangers of high-altitude rigging dismounting during one-time lifting in position of a precast column. According to the construction method, the construction is simple, the operation safety factor is high, the cost of a prior embedded disposable steel ring is saved, and the lifting efficiency and the safety are improved. According to the construction method, a large-size prefabricated part can be lifted in position once and the construction procedure is simplified in a lifting process of the large-size prefabricated part.

The invention discloses an integral lifting tool for an anode roasting fire wall, which has the advantage of better safety. The integral lifting tool comprises a lower wall support, an upper wall clamping plate and a pre-pressing mechanism, wherein the pre-pressing mechanism is connected between the upper wall clamping plate and the lower wall support, and a wall body containing space is defined by the upper wall clamping plate and the lower wall support; the pre-pressing mechanism comprises a left frame rod and a right frame rod, the left frame rod and the right frame rod are arranged in a bilateral symmetry way, wherein the upper ends of the left frame rod and the right frame rod are connected with a hanging connecting rod through rotation shafts, and the hanging connecting rod can be rotatably connected with the upper wall clamping plate; the lower ends of the left frame rod and the right frame rod are respectively and rotatably connected with the lower wall support, wherein the lower rotation connecting point positioned on the lower end is positioned outside the upper rotation connecting point positioned on the upper end; lifting points of a lifting mechanism are distributed by a lifting point distributing mechanism to sub-lifting points formed in the middle parts of the left frame rod and the right frame rod; and during lifting, the gravity of a wall body is driven by the pre-pressing mechanism, so that the upper wall clamping plate trends to move to the lower wall support to clamp the fire wall between the upper wall clamping plate and the lower wall support. The integral lifting tool has the advantages of simple and clever structure, stability and reliability.

The invention discloses a deep foundation pit concrete supporting structure with hoisting holes being pre-formed and a construction method thereof. The concrete supporting structure comprises a concrete waist beam and concrete supports which are mutually connected; the concrete waist beam is provided with a plurality of waist beam pre-cutting surfaces; the multiple waist beam pre-cutting surfaces divide the concrete waist beam into a plurality of waist beam pre-cutting sections; and a waist beam hoisting hole pipe is arranged in each waist beam pre-cutting section in a penetrating and pre-buried mode. The concrete supporting structure can guarantee hoisting safety of concrete supporting blocks. The construction method of the concrete supporting structure comprises the steps that structural steel bars of the concrete waist beam and the concrete supports are bound; the waist beam hoisting hole pipes and supporting hoisting hole pipes are arranged in the concrete waist beam and the concrete supports correspondingly, and the waist beam hoisting hole pipes and the supporting hoisting hole pipes are bound on the structural steel bars through binding wires; and a formwork is erected, the concrete waist beam and the concrete supports are poured, and the formwork is removed after pouring The construction method is simple and feasible, and the situation that in concrete pouring, the waist beam hoisting hole pipes and the supporting hoisting hole pipes are dislocated can be avoided.

The invention discloses a hydrogenation reactor for petrochemical engineering and belongs to the technical field of petrochemical engineering. An inlet distributor is fixed on an upper spherical cover, a catalyst entering the hydrogenation reactor is fully dispersed and diffused, full contact between crude oil and the catalyst is realized, the crude oil is fully cracked and decomposed in a refining device, and the effective utilization rate of the catalyst can be increased. An outlet collector is placed at the bottom of a lower spherical cover and can recycle the catalyst which is not fully utilized by the crude oil, effective utilization of the catalyst is further improved, the crude oil refining cost is reduced, and the crude oil refining benefits are increased. A longer thermocouple isreliably fixed on the inner wall of the hydrogenation reactor in an inner extension tube support manner, the structural strength of a thermocouple sleeve is improved, and bending or damage to the thermocouple sleeve during usage is avoided.

The method comprises the following steps that S1, a ship bow is divided into an upper-layer section, a middle-layer section and a lower-layer section, the upper-layer section comprises a bow bulwark, the middle-layer section comprises the installation position of a forecastle deck and the overall anchor platform, and the lower-layer section comprises the installation position of a forecastle deck and the overall anchor platform; the lower-layer subsection comprises a main deck after the overall mounting position of the anchor platform is removed; s2, an anchor table and a chain pipe are pre-installed on the middle-layer section; and S3, combining the upper-layer section, the middle-layer section and the lower-layer section together. According to the method for pre-installing the anchor chock and the anchor chain pipe in the segmented mode, the workload of total assembling and closing in the later period is reduced, and meanwhile the completeness of segmented paint is guaranteed; the anchor table structure is high in rigidity, and the complexity of a reinforcing and shape maintaining tool is reduced; embedding and inserting are not needed during folding, the difficulty of sectional folding is reduced, the sectional precision is improved, the in-dock hoisting time is shortened, the working efficiency is improved, and technical guarantee is provided for timely undocking.

The invention provides blade hoisting equipment. The blade hoisting equipment is characterized in that the blade hoisting equipment comprises a hoisting beam, a lifting appliance frame and a clamping mechanism; the lifting appliance frame is combined to the hoisting beam; the clamping mechanism is installed on the lower portion of the lifting appliance frame and comprises a blade web plate clamp and a blade front edge supporting clamp which are arranged in the length direction of the lifting appliance frame at intervals, the blade web plate clamp is used for clamping the blade web plate position, and the blade front edge supporting clamp is used for supporting the blade front edge position; and the blade front edge supporting clamp comprises multiple front edge supporting units, the multiple front edge supporting units are arranged on the two sides of the lifting appliance frame in the width direction and arranged in a staggered manner in the length direction of the lifting appliance frame, each of the multiple front edge supporting units is pivotally connected to the lifting appliance frame, and each front edge supporting unit comprises a bottom supporting plate which faces upwards. According to the blade hoisting equipment, blades in the vertical posture can be clamped, universality is achieved for different blades, meanwhile, large clamping space is achieved, and the adjustable oblique insertion angle range is wide.

The invention provides a rotary distributor with convenient lifting transporting performance. The rotary distributor comprises a distributor main body, wherein a motor is fixedly connected to the lower side surface of the distributor main body, a lifting ring is welded and fixed to the upper portion of the distributor main body, a left fixing plate and a right fixing plate are arranged below the lifting ring, the left fixing plate is located on the left side of the right fixing plate, an inserting rod is connected to the left fixing plate in an inserted mode, the right portion of the insertingrod penetrates through a round pipe and the right fixing plate and is connected with a first nut through threads, and the round pipe is located between the left fixing plate and the right fixing plate. Compared with the prior art, the rotary distributor has the following beneficial effects that a rope and a lifting hook penetrate through the inserting rod and is hooked on the lifting ring, the joint stress is achieved through the lifting ring, the left fixing plate and the right fixing plate, the stress area is enlarged, the single stress of the lifting ring is avoided, and therefore the lifting stability and safety of the rotary distributor are improved.