52results about How to "Enough work space" patented technology

The invention discloses a principal-subordinate integrated type surgical operation robot system which comprises a positioning device, wherein the positioning device is connected with a telescopic device through a positioning fixing base; a principal manipulator is arranged at one end of the telescopic device; a subordinate operation instrument is arranged at the other end of the telescopic device; the principal manipulator is connected with the telescopic device through a principal manipulator connecting piece; the principal manipulator is arranged below the principal manipulator connecting piece through a support rack; the subordinate operation instrument is connected with the telescopic device through a handheld sliding table; the subordinate operation instrument is arranged on one side of the handheld sliding table through an operation instrument machine; a driving device is arranged inside the telescopic device; the driving device is used for receiving a signal transmitted from an encoder of the principal manipulator. By adopting the principal-subordinate surgical operation robot system, the problem of communication time delay is overcome, and the reliability and the security in the operation process are improved.

The invention discloses a hip joint boosting device based on parallel mechanisms. The boosting device comprises a waist support assembly, two constraint assemblies and two execution assemblies; each execution assembly comprises a leg clamping sub assembly, a sensor sub assembly, a fixing plate and two driving branch chain sub assemblies, the driving branch chain sub assemblies are connected with the waist support assembly and the corresponding fixing plates and are UPS branch chains which are symmetrically distributed relative to the front and back of the leg of a person, and each sensor sub assembly is connected with the corresponding leg clamping sub assembly and the corresponding constraint assembly. According to the hip joint boosting device based on the parallel mechanisms, by means of the design of the constraint assemblies and the execution assemblies, three-degree-of-freedom rotation of the device can be achieved, it is guaranteed that the rotation center of the device is overlapped with that of hip joints of different patients, and injuries caused by human-machine interference force is effectively avoided; meanwhile, the structure is simple, and use is convenient.

The invention provides a multifunctional operation ladder trolley, and belongs to the technical field of railway track ladder trolleys. The multifunctional operation ladder trolley comprises a workingplatform, a supporting frame, a chassis, end part anti-tipping devices arranged at two ends of the chassis, and braking and lateral anti-tipping devices arranged at two sides of the chassis. According to the multifunctional operation ladder trolley, braking and tipping prevention of the ladder trolley are achieved, the safety of the ladder trolley is greatly improved, and the ladder trolley can be used at various crossed rails, turnouts and other positions; the supporting frame comprises stretchable ladders, the extending height of the ladder trolley can be adjusted according to the individual height of an operator, the adjusting mode is convenient and fast, and safety is good; and for the working platform, the relative positions of a fixed platform and a sliding platform can be adjustedaccording to the actual operation range and are fixed through positioning pins, and enough working space can be provided.

The invention provides a totally-enclosed bulk material bin capable of moving and belongs to the environmentally-friendly field. The totally-enclosed bulk material bin comprises a left side unit bin capable of freely moving, one or more middle unit bins capable of freely moving and a right side unit bin capable of freely moving, wherein other bin surfaces of the left side unit bin are enclosed, and the right side of the left side unit bin is not enclosed; and other bin surfaces of the middle unit are not enclosed, and the left side and the right side of the middle unit are not enclosed. Other bin surfaces of the right side unit bin are enclosed, and the left side of the right side unit bin is not enclosed; each unit bin consists of a plurality of bilaterally-symmetrical arc-shaped spanned main body structure trusses; the two sides and the middle part of each main body structure truss are connected by longitudinal purlines, and a bin surface enclosing material is paved on the upper surface of each main body structure truss. According to the totally-enclosed bulk material bin capable of moving, the construction cost can be reduced by 70%, the appearance is attractive, the service life is more than 20 years, and the daily operation maintenance cost is avoided.

The invention provides a guiding and positioning robot. The guiding and positioning robot comprises a bracket, an operation arm and at least two groups of moving units, wherein the bracket comprises at least two circular chutes which are coaxially arranged; each circular chute is in one-to-one correspondence to the corresponding group of the moving units; the bracket comprises a passing hole located in the middle parts of the circular chutes; each group of moving units comprises a rotating seat which is suitable for performing rotation along the corresponding circular chute, a guide rail arranged on the rotating seat, a sliding block suitable for moving along the corresponding guiding rail, a ball hinge mounted at each sliding block and a driving device; each guide rail is perpendicular tothe axis center of the corresponding circular chute; a mounting hole is formed in the center of each ball hinge; each driving device is used for adjusting the rotating position of the corresponding rotating seat relative to the corresponding circular chute and /or the moving position of the corresponding sliding block relative to the corresponding guide rail; the ball hinges of the groups of themoving units are separated from each other in the axial direction; and the operation arm penetrates through the passing hole of the bracket, and penetrates the mouthing holes of the ball hinges of theat least two groups of the moving units.

The invention discloses a rotary extraction inner sleeve-type extraction tank. The extraction tank comprises a top cover, a tank body, a stainless steel inner liner and a tank bottom end cover. The top cover is installed at the tank opening at the top of the tank body. The tank bottom end cover closes the lower port of the tank body. The stainless steel inner liner is sleeved by the tank body. Theextraction tank also comprises a cross bracket. The cross bracket comprises a fixed ring, four connecting cross beams, four supporting columns and four oblique supports. An annular boss is arranged outside the tank body. The tank body passes through the fixed ring. The annular boss is supported by the fixed ring. One end of each one of the four connecting cross beams is welded to the fixed ring and the other end is welded to the supporting column. The four connecting cross beams are crossed. One end of each one of the four oblique supports is connected to the connecting cross beam and the other end is welded to the supporting column. The support is specifically designed for the extraction tank. The support method reserves a sufficient working space below the extraction tank.

The invention discloses a rotary overhead conductor opening device, and aims to provide the rotary overhead conductor opening device which can open two overhead conductors reliably, provides a sufficient operation space for vertical rod operation, and is convenient to operate. The device comprises a vertical pipe, a strip-shaped hole formed in the pipe wall of the vertical pipe and extending in anaxial direction of the vertical pipe, guide rings connected with the vertical pipe through connecting pieces and positioned above the vertical pipe, a sliding sleeve which slides along the vertical pipe, a sliding sleeve locking bolt arranged on the sliding sleeve, a pull rod arranged on the inner side surface of the sliding sleeve, two supporting rods distributed on the two opposite sides of thevertical pipe, and self-adaptive wire fixing devices arranged on the supporting rods in a one-to-one correspondence mode. The upper ends of the supporting rods are hinged to the upper end of the vertical pipe; the supporting rods are connected with the sliding sleeve through connecting rods; and one end of each connecting rod is hinged to the middle of each supporting rod, and the other end of each connecting rod is hinged to the sliding sleeve.

The invention discloses a safety operation platform for steel box girder temporary support construction. The platform comprises a plurality of stand columns arranged in two rows, a cross beam is installed at the top end of each row of stand columns, the two cross beams are horizontally arranged and parallel to each other, a web operation platform is laid above the cross beams, a web protection net is arranged on the periphery of the web operation platform, longitudinal beams are installed between the two rows of stand columns, the longitudinal beams are horizontally arranged and parallel to one another, a bottom plate working platform is laid on the longitudinal beams, and a bottom plate protective net is arranged on the periphery of the bottom plate working platform. Stable support is formed through the stand columns and the cross beam structures, the module lap joint and connection mode is simple, the modules can be integrally disassembled and turned over to be used next time after lap joint is completed, meanwhile, the double-layer operation platform is arranged, enough operation space is provided for operators, the construction environment is good, part of construction tools can be directly placed on the construction platform, and the construction efficiency of workers is high. Meanwhile, the protective net is arranged, so that the safety of the workers is guaranteed, the safety meets the construction requirements, and the high-place operation risk is reduced.

The invention discloses a roadbed construction method for preventing uneven settlement of a spliced road, which comprises the steps of roadbed excavation, construction of a drainage system in a roadbed construction period, step treatment, water seepage treatment of an old roadbed, reinforcement construction of a hydraulic dynamic compactor, reinforcement construction of a heavy road roller and settlement deformation observation. A reverse slope is arranged to ensure the compactness of the old roadbed, slope slippage is effectively avoided, and good drainage engineering measures and temporary drainage facilities near a construction site are established in roadbed construction to keep the roadbed in a dry, firm and stable state frequently. A layer of geocell is respectively laid on the bottom surface of the roadbed, the bottom surface of the embankment and the steps in the middle of the roadbed and the embankment, so that the roadbed has higher lateral limitation, skid resistance and deformation resistance, the bearing capacity and the load dispersing effect of the roadbed are effectively enhanced, the junction of the new roadbed and the old roadbed and the new roadbed are reinforced by adopting two modes of dynamic compaction and rolling compaction, and the construction efficiency is improved. And the stability of the roadbed is effectively enhanced.

The invention provides a Helmholtz resonance effect and Venturi effect combined noise reduction transduction device and method, and belongs to the technical field of noise control and novel energy power generation. The noise reduction transduction device comprises a sound energy power generation noise reduction plate and a piezoelectric plate; a working unit composed of a Helmholtz resonator and a Venturi channel is arranged in the sound energy power generation noise reduction plate; the Helmholtz resonator is vertically arranged and comprises a Helmholtz resonant cavity and a neck part which are communicated with each other, and the top of the Helmholtz resonant cavity is sealed by the piezoelectric plate arranged on an opening in the top surface of the sound energy power generation noise reduction plate; the Venturi channel transversely penetrates through the front face and the back face of the sound energy power generation noise reduction plate and comprises an inlet section, a throat opening and an outlet section which are communicated, and the throat opening is communicated with the neck of the Helmholtz resonator. The Helmholtz resonance effect and the Venturi effect are combined in one device, noise and airflow in the environment can be collected at the same time, the energy conversion efficiency is improved, noise is turned into wealth while noise is reduced, and the noise is used for power generation.

The invention provides a closed stock bin moving in a wheel type. The closed stock bin is mainly used for an open type bulk material storage yard. The closed stock bin is composed of a steel structure, a roof board, a suspension, a wheel type walking mechanism and infrared obstacle avoiding systems. The roof board is mounted on the steel structure through connecting parts, the lower portion of thesteel structure is mounted on the suspension, and the wheel type walking mechanism is mounted on the suspension. The infrared obstacle avoiding systems are mounted on the structure and located on thevertexes of the two ends of the stock bin. The wheel type walking mechanism comprises driving walking mechanisms and driven walking mechanisms. The driving walking mechanisms are mounted at the frontand rear endpoints of the suspension of the stock bin, and the driven walking mechanisms are mounted at the middle position of the suspension. The closed stock bin is good in sealing effect and low in manufacturing cost. Traditional stockyard sealing is changed into stock pile sealing, and segmented movement and segmented operation can be achieved; and the closed stock bin can be overall moved tothe positions of stock piles needing to be treated, enough operating spaces are reserved, after the operation is completed, the closed stock bin moving in the wheel type can return to an original position, bulk material piles are sealed, remote control automatic control is achieved, and the operation is flexible and convenient.

The invention discloses a mechanical reciprocating type multistage fire grate overhauling construction method. The mechanical reciprocating type multistage fire grate overhauling construction method is characterized in that the mechanical reciprocating type multistage fire grate overhauling construction method comprises the steps of construction preparation, overhauling of a drying section fire grate, overhauling of a burnout section fire grate, overhauling of a combustion section fire grate and cold-state no-load trial operation construction of a fire grate. By adopting the construction sequence that fire grate segments and scrapers of the drying section and the burnout section are dismantled and replaced firstly and the fire grate segments and the scrapers of the combustion section are dismantled and replaced later, the disassembled and to-be-replaced fire grate segments and the scrapers are convenient to store, and enough operation space is provided for maintainers; and a bolt is loosened by adopting a L-shaped socket spanner and a stress application rod, and then a ratchet spanner is used for dismantling the bolt, so that the problem that due to the fact that the operation environment is severe, corrosion is serious, and the fire grate segment fixing bolt is completely wrapped by a molten material, the fixing bolt is difficult to dismantle and other problems are solved, thetool and instrument loss rate is reduced, and the work efficiency is improved.

The invention provides a small righting platform for a marine riser. The small righting platform for the marine riser comprises a small platform body, the small platform body is fixed to a drilling platform tail plate through a bearing mechanism, and a righting device is fixedly arranged on the small platform body. According to the small righting platform for the marine riser, the small platform is collapsibly and fixedly arranged at the drilling platform tail plate, precious drilling platform space is completely prevented from being occupied, the working area of the small platform is offshore, stress borne by the righting device is effectively reduced, the righting device of a complex mechanical structure is prevented from being used, enough working space is provided by the small platform, position of the marine riser can be corrected in real time, and righting effect is better.