510 results about "SUSPENDING VEHICLE" patented technology

Suspending vehicles and pharmaceutical suspensions that include a biocompatible polymer that can be combined with a hydrophobic solvent and a hydrophilic solvent to provide vehicles and suspensions that are substantially free of stiff gels upon contact with an aqueous medium are provided. Vehicles and suspensions remain flowable out of a pump-driven dosage form over the life of the dosage form. Such vehicles and suspensions are also biocompatible, suitable for creating and maintaining drug suspensions, and capable of providing stable drug formulations.

The present invention relates to a method for installing a large span steel truss on high altitude. The method comprises the steps of arranging embedded part on the structure girder at two sides of the designed position of the steel truss, then installing extensible guide on the embedded part, and at last assembling a specialized steel structure tackle. Firstly, a large tonnage hoisting machine is used for hanging the steel truss which is wholly assembled underground to two tackles that are arranged on station. Afterwards, the steel trust is parallelly moved to the installation position through the synchronous slippage of two tackles on the extensible guide. Lastly, the two-end capitals of the designing position of the steel truss are installed with an independent holding pole, a chain block and a pulley assembly. These hoisting apparatuses are used for hanging the longeron from the tackle. The longeron of the lengthened part is cut and the steel truss is installed to the position according to the design requirement. Compared with the traditional high altitude dispersed splitting method for building whole surface of scaffold, the installing method provided by the invention subtly settles many abuses of difficulty for controlling the construction quality, long construction period and the like in the traditional method. The manpower and considerable material transportation are saved and the construction quality can be effectively guaranteed. Various requirements of the designing and constructing are excellently and rapidly satisfied.

The invention relates to an automatic leveling control device for an air cushion suspended transport vehicle, which controls the posture of the air cushion suspended transport vehicle. The device comprises an electric-controlled proportional pressure reducing valve (32), a remote-controlled pressure-reducing valve (31) and a height detection device (4). The height detection device (4) comprises a guide rod (11), a high-position baffle plate (17), a low-position baffle plate (18), a high-position optoelectronic switch (19) and a low-position optoelectronic switch (20) and is fixed on the air cushion vehicle, wherein the guide rod (11) is contacted with the ground; the high-position baffle plate (17) and the low-position baffle plate (18) are positioned at the same horizontal position on the left and right sides of the guide rod (11); and the high-position optoelectronic switch (19) and the low-position optoelectronic switch (20) are fixed on a pedestal (21). When the guide rod (11) glides up and down, the high-position and low-position baffle plates can baffle the high-position and low-position optoelectronic switches (19, 20). The automatic leveling control device is applicable to the air cushion suspended vehicle.

The invention relates to a method for measuring a safety distance between a suspension arm of a crane and a running super high voltage transmission line. The method comprises the following steps of: detecting a surrounding electric field intensity by using a detecting head arranged on the suspension arm, inputting a detection result into a comparison module and comparing the detection result witha pre-set value; using the strength of an electric field intensity signal as a start/stop signal of the operation of laser distance-measuring equipment; when the electric field intensity signal is higher than the pre-set value, scanning in a semispherical region to measure a distance by using the laser distance-measuring equipment; when the electric field intensity signal is lower than the pre-set value, stopping a distance detection module to reduce the power consumption of the entire detecting head; and arranging a data acquiring and displaying device in an operation room of the crane and transmitting the detection results of a high voltage electric field intensity detection module and the distance detection module to the data acquiring and displaying device in a radio signal transmitting mode so as to display, alarm or control externally. The invention also provides a corresponding safety distance measuring device which can adapt to electric transmission and transformation lines with different voltage levels and different working angles of the suspension arm and can realize low-consumption operation.

A method and apparatus for a shock absorber for a vehicle having a gas spring with first and second gas chambers, wherein the first chamber is utilized during a first travel portion of the shock absorber and the first and second chambers are both utilized during a second portion of travel. In one embodiment, a travel adjustment assembly is configured to selectively communicate a first gas chamber with a negative gas chamber.

The invention relates to a construction method for an inspection well, in particular to a reinforced concrete inspection well whole prefabricated hoisting construction method. The method comprises that a formwork of a base plate is firstly erected, then reinforcing steel bars of the base plate are bound, finally concrete is poured on the base plate and burrs need to be removed thoroughly between the reinforcing steel bars in the inner circle and the outer circle; reinforcing steel bars of a well body are bound through the reserved bars of the base plate, after binding, a crane hoists inner steel formworks in the crane with cooperation of manual power, outer steel formworks are installed, finally the concrete is poured, after the formworks are disassembled, the formworks are wound by plastic thin films and water is sprayed on the formworks to cure the formworks; and a drawing method of double cross is adopted in hoisting process. Compared with the prior art, the reinforced concrete inspection well whole prefabricated hoisting construction method has the advantages of effectively solving the quality problem caused by insufficient construction space, greatly improving work efficiency, shortening work period, having good social benefit and economic benefit and being wide in application space in concrete inspection well engineering and high in popularization value.

The present invention includes a track (1, 101) of a track system with straight, transition, curved, and switch track sections. The invention further comprises bogies (40) for vehicle cabins suspended under the track. Track sections of the track have an upper rail (1) and one or two lower rails (101, 201). Further, a bogie (40) has fore and aft sets of upper guide and switch wheels (151, 251, 154, 254), and one set of lower guide and switch wheels (152, 153, 252, 253, 156, 157, 256, 257). The bogies (40) also have one left and/or one right load bearing wheel (150, 250) and one drive wheel facing upwards and engaging a downwards directed drive wheel running surface (15) of the upper rail. Each set of lower guide wheels consist of left and right wheel pairs (152, 153, 252, 253) so that transition sections can be passed without moving any parts of the bogie (40). Switch wheels (154, 254, 156, 157, 256, 257) are separated from guide wheels so that they can be positioned according to the preferred direction of travel well before reaching a switch.

The automatic walking method of container terminal mobile equipment is to install a laser scanner on each of the tire front wheel brackets of the four door legs of the tire crane, and install columns at a certain distance between the backs of the two tire crane lanes or at intervals of the length of the container. The column is in a straight line, and the laser scanner of the tire crane detects the position of the column to realize the automatic walking of the tire crane. At the same time, install columns at a certain distance on both sides of the road lane, and the columns are in a straight line; install a column on the inside of the two door legs of the tire crane close to the driveway; install a column on the inside and outside of the bridge crane door legs. Ordinary collection trucks are used to improve automatic navigation vehicles. The navigation vehicles are equipped with columns higher than the top surface of the container, and cameras and laser scanners are installed. The walking reference line is painted in the center of the ground lane, and the navigation vehicle takes pictures of the walking reference line through the camera. Image processing alignment, and the position of the column is detected by the scanner to realize the automatic walking of the navigation vehicle.

The lifting rope angle measurer for crane includes an angle sensor EX installed on the rotation shaft AX; a support shaft UX; a frame rotating around X axis and with slender rectangular bottom, one cantilever SX1 fixed on the rotation shaft AX and other cantilever SX2 around the support shaft UX; an other angle sensor EY installed on the other rotation shaft AY; an other support shaft UY; and an other frame rotating around Y axis and with slender rectangular bottom, one cantilever SY1 fixed on the rotation shaft AY and one other cantilever SY2 around the support shaft UY; with the lifting rope C being passed through the bottoms of the two said frames. The present invention has simple structure, low cost, good real-time processing preformance, high reliability and high precision; is suitable for both indoor use and outdoor use.

The invention relates to an active suspension FxLMS self-adaption control method based on acceleration signal feedback.Active suspension control methods comprises the FxLMS self-adaption control method based on force feedback, a reference signal estimation method based on engine speed and a force feedback to acceleration feedback expansion method, wherein the FxLMS self-adaption control method based on force feedback comprises active suspension voltage to force secondary channel estimation and an LMS self-adapting filter.According to the force feedback to acceleration feedback expansion method, suspending vehicle body acceleration admittance phase angle frequency changing characteristics are adopted as reference, a secondary channel estimation model is expanded from force to acceleration, and acceleration of the passive side of an active suspension substitutes force transmitted to a vehicle body to serve as an error signal of a controller, so that acceleration feedback of the control method is achieved.According to the active suspension control method, engine speed and acceleration of the passive side of the active suspension are taken as input, processing is conducted through a control system, a proper voltage control signal is output, and the voltage signal is subjected to power amplification and then drives an actuator in the active suspension to actuate, so that vibration from an engine is counteracted.

The invention relates to an alarm for the approach of construction equipment to a high-voltage power transmission circuit, in particular to an alarm preventing large-size construction equipment such as cranes, and the like from approaching high-voltage power transmission circuits in a distance which is smaller than a safety distance. The alarm mainly comprises a detection device and an alarm device, wherein a circuit structure of the detection device comprises a transmission line distance sensing transducer, a safety distance judger, a transmission terminal frequency-modulation amplifier, a wireless signal generator and a transmission antenna which are all sequentially connected. A circuit structure of an alarm device comprises a receiving antenna, a wireless signal receiver, a second amplification dynatron, a frequency-modulation amplifier, a light emitting diode connected with the frequency-modulation amplifier, and a buzzer which are all sequentially connected. The invention can meet different requirements of the safety distance of transmission lines in different voltage levels, has convenient maintenance, can reduce the transmission line trip, casualties and equipment damage caused by the external damage of transmission lines by large-size construction equipment such as cranes, and the like, and can improve the power supply reliability of transmission lines.

The invention provides an underground mine TBM assembly construction method. The underground mine TBM assembly construction method comprises the following steps that (1) chamber assembly is constructed, and an existing roadway of an underground mine and a chamber assembly expanding excavation section serve as a TBM assembly chamber; and the chamber assembly expanding excavation section is formed through expanding excavation of one end of the existing roadway. (2) TBM parts transportation is constructed, TBM parts are placed on a platform truck through a monorail hoist, and a winch connected with the platform truck is pulled to a preinstalled position. (3) TBM parts assembly is constructed, the TBM parts are installed through a lifting pulley or the monorail hoist, and the TBM installation is finally completed. According to the underground mine TBM assembly construction method, the existing roadway is used as the assembly chamber, a vertical shaft is not needed to be re-excavated on an assembly site, and the feasibility of construction is improved; and large scale equipment of a gantry crane and the like are not needed to be installed under the shaft by using small scale installation equipment of the monorail hoist, the lifting pulley, the winch and the like, the work amount of the expanding excavation and transformation is small, the assembly construction period is shortened, and meanwhile the engineering cost is saved.

The invention discloses a mounting equipment car. The mounting equipment car consists of power equipment, a chassis, a car body, electric equipment and the like, and is characterized in that a first extension column 6, a second extension column 12, a third extension column 24 and a fourth extension column 43 are correspondingly mounted at the upper sections of inner cavities of stand columns at four corners of a box; the other end of each stand column is connected to the top of the box; the top of the box can be vertically lifted to lift equipment; an extension lifting crane is mounted at thetop in the box; more than one layers of cross beam support structures and drive connecting devices are mounted on the inner and outer sides of a channel between longitudinal components on the two sides of the box to form a rotary recovered movable plane support structure; the equipment can be carried on cross beams; the cross beams can be automatically recovered on the two sides of the box; and the section of the box is n-shaped. The mounting equipment car reduces the equipment mounting construction flow, removes various cranes, vehicles, forklifts and tools in traditional construction, once finishes lifting, transportation and installation on one car, achieves automatic control and precise installation, realizes mechanical equipment installation, and greatly improves the equipment mounting efficiency.

Provided is a tunnel vehicle-mounted folding type multifunctional work rack. According to the tunnel vehicle-mounted folding type multifunctional work rack, a crane chassis is used as a mobile power, and a vehicle-mounted hydraulic system is used as a hydraulic power. A fixed main supporting structure is arranged on the crane chassis. A bottom layer stretching work platform is arranged below the fixed main supporting structure, a middle layer replicating work platform is arranged above the fixed main supporting structure, and a top layer replicating work platform connected through a top layer work platform ring beam is arranged in the middle of the fixed main supporting structure. A hydraulic oil cylinder manipulates the three layers of work platforms to stretch or retract, thus the work rack is convenient and efficient. Stretching height of the top layer platform can be adjusted at random, thus installation requirements of random height space of a loopfull lagging jack can be met; landing legs are used to support the work rack, thus the work rack is safe and reliable and has good stability. The volume of the tunnel vehicle-mounted folding type multifunctional work rack is more than half smaller than a traditional rack, and the tunnel vehicle-mounted folding type multifunctional work rack can drive fast in preset grooving equipment travel space so that the speed of entry and retreat of constructions is quickened. After stretch, the work rack can meet elementary shoring construction and advanced reinforcement work of tunnel face under a whole fracture surface excavation method, and is also applicable to work of secondary lining waterproof construction and reinforcing steel bar construction.

The invention provides a lifting method of a steel structure roof truss pulling bar in a narrow space. The steel structure roof trusses have a total weight of 400 tons, and 5 steel trusses are provided. Each steel truss is 34 meters in length, and 2 meters in height. Towers located at both sides obstruct, and do not allow a crane to enter into a site for a lifting operation. The method is characterized by comprising the steps of step a, each steel truss of the steel structure roof truss section is lifted to the assembling position of all the steel trusses, step b, assembling and welding the steel truss sections into the whole truss, step C, enabling a whole truss to be located on a concrete column by the lifting of a pulling bar to complete the installation of the steel structure roof truss. The lifting method of the steel structure roof truss pulling bar in the narrow space has the advantages of being low in space demand, simple in method, convenient in construction, capable of securing the construction of a wide-span steel truss in an effective mode, greatly reducing the safety risks in the lifting operation in the narrow space and the construction cost in the steel truss lifting operation, and satisfying the economic benefits of the lifting operation.

The invention provides a high altitude mounting method of pressure transformative gas cap of silo, belonging to the high altitude machine mounting method technical field, and comprising a storage tank body. The mounting method includes the following steps: the mounting and welding of the bottom plate of the tank; the mounting of the inner tube; the mounting of first and the second wainscot and the angle steel for wrapping the edge; the mounting of a central space; the mounting of the tank roof; the removing of the central space; wrapping of the plates to be mounted; mounting of the mouth closing device; mounting of the balancing device; mounting of the sealing device. The invention is a mounting method of storage tank, which adopts the gas cap technology. The method is simple and easily grasped, the working space is wide, the construction period is short, few types of equipment are used, the structure is simple and nonbreakable, and the maintenance is convenient. As the invention is an inverted mounting method of gas cap, large-scale crane and high altitude operations are unnecessary, thereby large amount of falsework is saved, and the operations are safe.

The invention discloses a bridge crane automatic control experimental system which comprises a real bridge crane simulating device, a crane state measuring device and a crane control apparatus, wherein, the bridge crane simulating device is used for simulating a structure of a real bridge crane system which is a control object of the whole experimental system; the crane state measuring device is used for measuring the state quantity information of the bridge crane simulating device in real time and sends the information to the crane control apparatus; and the crane control apparatus is used for receiving the state quantity information of the bridge crane simulating device, which is measured by the crane state measuring device, calculates a corresponding control signal at real time by a preset control method according to the state quantity information and then sends the control signal to the bridge crane simulating device, so as to control the bridge crane simulating device to operate according to preset requirement. The bridge crane automatic control experimental system reflects the kinematic and dynamic characteristics of the bridge crane actually and can validate the practical effect of existing different crane control methods.

The hidden-rail permanently magnetic compensating suspension road-vehicle system includes hidden rails in two culverts with opening to ground and including permanently magnetic rails, suspension guide rails and side guide rails; and magnetically suspended vehicle including two underground suspended driving compartments and ground load compartment connected via plate web girder. There are winged permanent magnet below the driving compartment corresponding to the permanently magnetic rail, suspension permanent magnet over the driving compartment corresponding to the suspension guide rail, and web girder over the driving compartment connected to the ground load compartment. Inside the suspended driving compartment, there are one driving mechanism and two guiding fixed pulley to contact with the guide rail.

The invention relates to a prefabricated beam mounting method used for mounting prefabricated beam on the coping of bridge spanning old bridge or other barrier, which comprises the following steps: a, manufacturing a beam moving dolly according to the weight, structure and shape of the prefabricated beam; b, mounting the bailey launching nose between the copings and mounting the beam moving dolly on the bailey launching nose; c, hanging the prefabricated beam to the beam moving dolly by a crane and conveying the beam moving dolly along the bailey launching nose to the target position between the copings; d, mounting the prefabricated beam to the designed position by the crane. The prefabricated beam mounting method achieves the advantages of low cost, high construction efficiency and simple operation. The invention further discloses an equipment for mounting prefabricated beam.

The invention relates to a method for installing a steel box girder in a state of limited clear height, comprising the following steps: S1: installing a column under the bridge, setting a support system, track beams and tracks on both sides of the column, at least one end of the track is located outside the bridge , set the sliding trolley on the track; S2: Hoist the first steel box girder to the sliding trolley for temporary fixation, and use the traction device to slide the sliding trolley to the predetermined position; S3: Put the first steel box girder After positioning, fix it with a temporary portal support, move the sliding trolley to an unrestricted space, carry out the sliding construction of the second steel box girder, and repeat the subsequent sliding construction of the steel box girder; S4: all steel boxes After the girders are installed, splice the steel box girders and connect the steel box girders to the columns. The invention can ensure normal traffic during construction, and the outriggers of the crane are fixed at the same position during construction, which saves time for repeatedly outrigging and retracting the legs, saves costs, and improves construction efficiency.