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273 results about "Headframe" patented technology

A headframe (also known as a gallows frame, winding tower, hoist frame, pit frame, shafthead frame, headgear, headstock or poppethead) is the structural frame above an underground mine shaft.

Combined guided slipping type forepoling hydraulic support

The present invention provides a combined guide slippage type forepoling hydraulic bracket which comprises an internal support unit and an external support unit (12 and 11) which are symmetrical to each other at left and right. Each support unit comprises a top beam (1), a pedestal, a guide stabilizing mechanism and a hydraulic support component upright post. An upright post is articulated between the top beam and the pedestal. A telescopic link type guide stabilizing mechanism is arranged at the middle parts of the top beam and the pedestal. The outer side of the internal support unit is provided with the external support unit. Connecting slide rods (7) are respectively connected between the top beams and the pedestal beams at the same side of the adjacent internal and external support units. An inter-frame jack (8) is articulated between the top beam and the pedestal of the symmetrical internal support unit to form a section of bracket. The bracket forms an independent motor unit. The hydraulic bracket consists of a plurality of independent motor units. An advancing jack (17) is connected between the pedestals (9) of the independent motor units. The front end of the pedestal (9) of a section of bracket at the front end of the hydraulic bracket is connected with a head frame pulling and moving mechanism. The hydraulic bracket can effectively support a big section laneway and realizes the forepoling and the forepoling automatization of the big section laneway.
Owner:TIANDI SCI & TECH CO LTD

A floor rail type highly integrated intelligent iron driller

The invention provides a floor rail type highly integrated intelligent iron roughneck, which integrates a lift car, a clamp head frame, a main back clamp and guide rails into a whole and consists of the lift car, the clamp head frame and the guide rails, wherein the lift car moves on the guide rails, the upper part of the clamp head frame is suspended and connected onto the lift car, in addition,the connection between the lift car and the lower part of the clamp head frame is realized through unscrewing, the lift car consists of a left side frame, a right side frame and a cross beam, the left side frame and the right side frame are respectively arranged on the two guide rails, the lift car drives a transmission gear to rotate through a lift car hydraulic motor for realizing the moving onthe guide rails. The floor rail type highly integrated intelligent iron roughneck can realize the application of a large-torque and wide-pipe-diameter-range rotary thread punching device and is applicable to the unscrewing on drill rods in any dimensions. The lift car, the clamp head frame, the main back clamp and the guide rails are integrated into a whole, so the weight of the whole equipment is greatly reduced, and the work efficiency is improved. The floor rail type highly integrated intelligent iron roughneck has the advantages that the automation degree is high, the full-process automatic operation of the work process can be realized, and the rotary thread punching operation of the whole site can be completed by one worker.
Owner:金华萨博思石油机械有限公司

Top butt-joint type oil rig headframe

InactiveCN101435313AFlexible structureSmall installation forceDrilling rodsDerricks/mastsHeadframeButt joint
The invention relates to an overhead butting oil drill derrick which comprises an overhead travelling crane, an upper segment, a plurality of middle segments, a lower segment, an upper segment telescoping mechanism, a middle segment moving and limiting device, a lifting transportation device arranged on the maintenance rig of the overhead travelling crane, two layers of working table and the like. The upper segment, a plurality of middle segments and the lower segment all adopt an upright truss structure with the front being opened which is welded by four columns and a plurality of inclined struts, transverse beams and transverse bracings; and the lower segment, the plurality of middle segments and the upper segment respectively adopt a mode of aligning the head and the tail of the columns, contacting directly the end surfaces of the columns and passing through adapter sleeves arranged at the side surfaces of the columns, or connecting base plates by pin rolls or bolts. The butting of each segment of the derrick by bolts is realized at the top of space by the upper segment telescoping mechanism, the middle segment moving and limiting device and the lifting transportation device. The derrick has the characteristics of little and constant telescoping power when carrying out butting installation, light lifting weight, independent transportation of each segment, short moving length and adjustable butting height, and is especially applied in well fields with serious installation spaces of planes, or low requirements on module weight, or poor transportation conditions.
Owner:RG PETRO MACHINERY GROUP

Position changing machine for measurement reproduction system of folding pipe

The invention discloses a position changing machine for a measurement reproduction system of a folding pipe, wherein a pedestal (1) of the position changing machine is stepped; a headstock (4) is connected with an upper step of the pedestal through a headstock rotating shaft (3); a headstock overturning platform (6) is connected with the headstock through a headstock overturning shaft (5); a headstock chuck (8) is fixed on the headstock overturning platform through a chuck rotating shaft (7); four headstock lead screw jaws (9) are installed on the headstock chuck, and four headstock locating blocks (10) are installed on the headstock lead screw jaws; a lead screw rotating handle (13) is connected with the headstock lead screw jaws through threads of the lead screw; the four headstock lead screw jaws are engaged together through a bevel gear box (14); a locating groove (11) is installed on the headstock chuck along a direction vertical to the headstock overturning shaft, and a zero point locating block (12) is installed on the locating groove; guide rails (2) are arranged on the lower step of the pedestal, a tailstock pedestal (15) is installed on the guide rails and is capable of moving along the guide rails; and the structural designs of other devices on the tailstock are same as the structural design of the headstock.
Owner:JIANGSU YANGMING SHIP EQUIP MFG TECH

Fast construction method of headframe lifting system

The invention discloses a fast construction method of a headframe lifting system, which belongs to the technology of construction of mines. When a headframe foundation and a headframe main body are constructed to about 23 meters, shaft equipment components are processed, large temporary facilities of shaft equipment are arranged, during construction of the headframe main body above about 23 meters, the shaft equipment is mounted, a crane above a hall of an elevator is hoisted before the headframe main body is finished and the top of the headframe main body is sealed, the crane is installed, and the elevator is hoisted and mounted after the top of a headframe is sealed. After the top of the headframe is sealed, the constructed headframe is decorated, simultaneously, the elevator and a sleeve frame in the headframe are mounted, after the headframe equipment is mounted, equipment of upper and lower openings is mounted, ropes are wound and a lifting container is hung after the elevator is mounted, finally, debugging running is carried, and then construction and installation operations of the headframe lifting frame are totally finished. The fast construction method of the headframe lifting system has the advantages that work hour utilization rate is high, construction speed is fast, and engineering quality is improved advantageously. Constructors, equipment and materials are reasonably allocated via parallel cross operation, and engineering manufacturing cost is lowered.
Owner:CHINA COAL NO 5 CONSTR

High-speed internal grinding machine

The invention relates to a high-speed internal grinding machine which comprises a machine body, a worktable base, a water tank, a headstock device and a grinding device. The high-speed internal grinding machine is characterized in that the machine body comprises a main platform, the four corners of the main platform are supported by four supporting legs, the four side edges of the main platform are each provided with a water baffle side plate higher than the main platform face, the worktable base is installed on the main platform, a water flow channel is formed between the periphery of the worktable base and the water baffle side plates on the four edges of the machine body, the main platform is provided with a drainage tube communicated with the water flow channel, the water tank is connected with the lower end of the drainage tube, the headstock device is installed on the left side of the top of the worktable base, the headstock device is used for clamping a workpiece and driving the workpiece to rotate, the grinding device is installed on the right side of the top of the worktable base, and a grinding wheel is installed on the grinding device for grinding the internal circle of the workpiece. The high-speed internal grinding machine is ingenious and reasonable in structural design, the machining angle range of the internal circle of the workpiece is large, the high machining speed is achieved, and the machining precision and efficiency can be greatly improved.
Owner:HEZE BOILER FACTORY

Large journey low-temperature extension hydraulic cylinder manufacture method

The invention relates to the technology for manufacturing a hydraulic cylinder, in particular to a method for manufacturing a large-stroke low temperature stretching hydraulic cylinder. The large-stroke low temperature stretching hydraulic cylinder is used on an oil well rig or a service machine working in cold areas and is used for stretching of a nesting headframe. In the technological process of the invention, low temperature resistant alloy structural steel is selected to be blanked and machined into components; the components are conventionally heated; a low temperature process is adopted to weld, connect and assemble the components; low temperature resistant sealing elements are arranged in the four sealed grooves of a piston. In this way, the large-stroke low temperature stretching hydraulic cylinder is manufactured. The large-stroke low temperature stretching hydraulic cylinder manufactured through the method has good low temperature property; the performance of the welds and the heat-affected zones of the cylinder tube and a piston rod reaches the following indices: Sigma b is more than or equal to 410MPa; Delta s is more than or equal to 20 percent; Akv (-45 DEG C) is more than or equal to 27J; the large-stroke low temperature stretching hydraulic cylinder can meet the requirements for intensity, toughness, rigidity and elasticity under low temperature (-45 DEG C), and works reliably with high sealing performance.
Owner:NANYANG NANSHI LITIAN PETROLEUM EQUIP CO LTD

Elevator lift car load weighing device

InactiveCN102351120AOvercome elastic resistanceAccurate measurementElevatorsHeadframeMechanical engineering
The invention discloses an elevator lift car load weighing device, which comprises an installing plate, a sensor probe and sensor square magnetic steel, wherein the sensor probe is arranged on the installing plate, the sensor square magnetic steel is arranged on a rope end plate, the sensor probe is over against the sensor square magnetic steel, in addition, a sensing distance is left between the sensor probe and the sensor square magnetic steel, an installing hole is arranged in the installing plate, a screw rod is penetrated in the installing plate, and the installing plate is tightly clamped between a pair of screw nuts. The lift car load measurement is based on the displacement generated through the lift car load stress and is irrelevant with whether the lift car load is balanced or not, so the measurement is accurate. During the lift car load measurement, the sensor probe and the square magnetic steel are arranged on a rope end assembly and the rope end plate, so the installation and the debugging of elevators with equipment rooms can be directly carried out in the equipment rooms, for elevators without equipment rooms, installation personnel can directly install the sensor probe and the square magnetic steel during the installation of a lift car or a counterpoise rope end frame, the lift car is stopped in a proper position during the debugging, the operation can be carried out on the top of the lift car, and the operation is very convenient.
Owner:SUZHOU FUSHI ELEVATOR

Workpiece clamping device and workpiece clamping method for cylindrical grinding machine

The invention relates to the field of a grinding fixture, aiming at providing a workpiece clamping device and a workpiece clamping method for a cylindrical grinding machine. The workpiece clamping device for the cylindrical grinding machine comprises a connecting handle, a headstock center, a one-way bearing, a bearing seat, a workpiece clamping body, an adjusting component, a clamping toggle piece, a toggle piece opening stay rope, a deflector rod position sensor and a controller, wherein the front end of the connecting handle is provided with a center hole; the rear end of the headstock center is arranged in the center hole; an inner ring of the one-way bearing is connected with the connecting handle in a transmission way; the bearing seat is provided with a front check ring and is connected with an outer ring of the one-way bearing; the workpiece clamping body is provided with a middle hole and an opening; the adjusting component is respectively connected with the workpiece clamping body and the front check ring; the clamping toggle piece is provided with a clamping arc surface at the inner end and is articulated with the opening side end; a plurality of clamping adjusting screws which are distributed along the circumference are arranged at the side periphery of the workpiece clamping body; the two ends of the toggle piece opening stay rope are respectively connected with the outer end of the clamping toggle piece and a deflector rod of the cylindrical grinding machine. After the workpiece clamping device for the cylindrical grinding machine is used, the coaxiality between the clamping axis and the workpiece axis can be maintained, clamping is conveniently carried out, and the clamping efficiency is higher.
Owner:余姚市锋利电动工具厂(普通合伙)

Gear rack lifting drilling machine

The invention relates to the technical field of petroleum drilling machines and equipment, in particular to a gear rack lifting drilling machine. The gear rack lifting drilling machine comprises a headframe body, a base, a tripping device, a drill stem moving device, a chuck, an upper makeup and breakout mechanism, an operating platform and a control device, wherein the headframe body comprises a headframe vertically connected above the base by chains, and two racks and guide rails symmetrically arranged on the same side of the headframe; the tripping device comprises a main body panel, a top driving head arranged on the main body panel, an elevator arranged under the top driving head, a driving motor arranged on the driving panel and roller wheels, wherein after being interlocked with gear wheels, the driving motor is matched with the racks on the headframe, and the roller wheels are matched with the guide rails on the headframe; and the drill stem moving device comprises a lifting arm the inner end of which is hinged with the base, a lifting hydraulic cylinder supporting the lifting arm to rise and fall and a drill stem gripping mechanism arranged on the outer end part of the lifting arm. The invention has the advantages of simplified structure of the drilling machine, convenient installation and transportation, low maintenance cost, long service life, convenient matching with automated devices and wide application.
Owner:山东胜利石油石化装备研究中心 +1

Method for short-time on-line replacement of coke dry quenching furnace water sealed tank

The invention discloses a method for short-time on-line replacement of a coke dry quenching furnace water sealed tank. Through material level lowering, circulating fan ceaselessness, circulating air volume reduction, and heat preservation, the method can finish replacing a water sealed tank in a short time. And the method comprises: before replacing, lowering a material level, keeping a circulating fan operating, reducing a circulating air volume, and discharging coke in a small amount for heat preservation and pressure maintaining; welding lifting lugs on the peripheries of the water sealed tank, passing a wire rope through the lifting lugs, and transversely shifting a coke pot cover to a position over the water sealed tank with a hoisting device; letting an operator hoist the water sealed tank to a position higher than a loading device with a hand-chain hoist, then utilizing the hoisting device to shift a coke pot and the water sealed tank transversely to a hoisting headframe, and placing them on a beforehand made trolley under the headframe; and installing a new water sealed tank, and placing it into place accurately, thus finishing replacing the water sealed tank. The method of the invention realizes replacement of a water sealed tank in a shortest time without stopping the furnace, thus guaranteeing the relative enhancement of dry quenching rate, steam quantity and power generation.
Owner:NANJING IRON & STEEL CO LTD

Soil lifting system and soil lifting method for building deep foundation pit construction in narrow zone

The invention discloses a soil lifting system and soil lifting method for building deep foundation pit construction in a narrow zone. A large closure plate is adopted on a first concrete support around a hole as a first closure plate for arrangement of soil lifting equipment and a soil heap platform. A steel headframe soil lifting crane is adopted in the vertical soil lifting equipment and comprises a steel headframe erected on the hole and electric blocks suspended on the steel headframe. The soil heap platform is arranged on the first closure plate around the hole and is an area defined by a retaining wall and a water retaining bank. The large closure plate is adopted on the first concrete support around the hole as the first closure plate, a conveying channel is provided for a conveying vehicle, a material storage yard is provided for subsequent construction of a main structure, and a field is provided for mounting of the soil heap platform and the steel headframe. A soil heap area is arranged on the first closure plate, and used for temporally piling up earthwork which cannot be conveyed out in time. The steel headframe soil lifting equipment is adopted, the limit of field reinforced concrete ramps is avoided, the soil outlet path is increased, the construction period is greatly shortened, and the method is especially suitable for narrow-field deep foundation pit construction.
Owner:CHINA CONSTR FIRST DIV GROUP CONSTR & DEV +1
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