2188results about How to "Guaranteed verticality" patented technology

The invention discloses a convenient undisturbed soil taking device and relates to the technical field of soil taking tools. The undisturbed soil taking device comprises a base, a drilling pipe, a sampling pipe and a sample releasing device; the base is fixedly mounted on the ground to be sampled; the drilling pipe is clamped into the base, the top of the drilling pipe is provided with a handle for driving the drilling pipe to rotate, and the bottom of the drilling pipe is provided with sampling cutting edges which are vertically and spirally distributed; the sampling pipe is sleeved with the drilling pipe, and the sampling pipe can slide up and down along the inner wall of the drilling pipe; the sample releasing device comprises a sample releasing piston arranged at the top of the sampling pipe, and the sample releasing piston is provided with a sampling handle exposed out of the handle. The base plays a role of fixation, verticality of sampling is guaranteed, and labor intensity is lowered; a rotary-cut sampling mode is adopted, in the sampling process, soil is not or slightly disturbed, and the undisturbed feature of taken soil is guaranteed; by means of sample releasing design, secondary squeezing of taken soil by the sample releasing piston in a traditional sample releasing process is avoided.

The invention discloses a high-precision electric drill capable of conducting positioning. The high-precision electric drill comprises a shell, a drill bit, a motor and a transmission mechanism, wherein the motor and the transmission mechanism are arranged in the shell, the drill bit is connected with the motor in a transmission mode through the transmission mechanism, a sleeve is arranged on the shell, a positioning rod is arranged in the sleeve, the positioning rod and the sleeve are vertically connected in a sliding mode, and a positioning piece can conduct positioning on the surface of a workpiece is arranged at the lower end of the positioning rod. When the high-precision electric drill is used, the positioning rod is installed near a hole to be machined first, switch-on of a motor power supply is subjective to to-be-machine hole coverage achieved by the shallow, on the surface of the workpiece, of the drill bit, the sleeve arranged on the positioning rod in a sleeving mode plays a role in guiding the drill bit, and therefore the accuracy of the drilling position and the perpendicularity of a hole are ensured.

The invention relates to a coaxial powder delivery nozzle applied to a variable spot technique. The nozzle consists of three parts, wherein a first part is a structure for automatically regulating the collection position of powder in the nozzle in the vertical direction, and the part further comprises a cooling water loop and a gas protecting device; a second part is a structure for manually regulating the collection position of the powder in the horizontal diameter direction; and a third part is a powder delivery sprayer structure. The coaxial powder delivery nozzle disclosed by the invention is applicable to the field of material increase manufacturing, and especially applicable to an application place adopting a defocusing manner to realize temporary variable spot formation of laser for realizing both formation efficiency and precision. The coaxial powder delivery nozzle disclosed by the invention can also be applied to the field of laser welding.

The invention relates to a drily hung vitrolite wall surface decoration system and a construction method thereof. A main building wall body is connected with a preembedded piece; the preembedded piece is connected with vertical keels through floor connecting pieces; the vertical keels are vertically connected with a transverse keel; the transverse keel is provided with a dilatation joint at each floor; a steel lock pin is inserted between the two vertical keels of the upper part and the lower part of the dilatation joint, one end of the steel lock pin is fixedly connected with a vertical keel through bolts, and the other end is in flexible connection with an oblong hole of the other vertical keel; the back of the vitrolite is provided with at least a pair of dovetail grooves; the dovetail grooves are connected with anchoring pieces in an embedded mode; the heads of the anchoring pieces are clamped into the dovetail grooves at the back of the vitrolite; a cavity for penetrating and anchoring the head of a T-shaped hanging piece is formed between an anchoring plate and the back of the vitrolite; the head of the T-shaped hanging piece extends to the cavity; the cavity is filled with epoxide resin anchoring glue; and a pectoral plate of the T-shaped hanging piece is fixedly connected with the transverse keel through a stainless steel bolt. The invention solves the problem of dry hanging vitrolite wall surface decoration systems on high rise buildings.

The invention relates to bridge engineering, in particular to an abrupt slope bare rock drilling platform and a technology in a huge reservoir and used for bridge construction. The invention is characterized in that an abrupt slope bare rock drilling device in a huge reservoir comprises steel pipe piles, a cross beam, a longitudinal beam, cross struts and a steel casing, wherein the steel pipe piles are arranged on the riverbed in a longitudinal and transverse spacing manner; the longitudinal and transverse spaces of the steel pipe piles are connected through a braced plane frame, the longitudinal cross strut and the transverse cross strut; the space surrounded by the four steel pipe piles is internally provided with the steel casing the height direction of which is parallel to the steel pipe piles; and the diameter of the pile foundation steel casing is 280cm, and the steel casing is made by rolling an A3 steel plate with the thickness of 14mm. The construction technology of the platform has 14 steps, and the invention provides the abrupt slope bare rock drilling platform and the technology in the huge reservoir, which can ensure the platform safety, easily heighten or lower the steel pipe piles, ensure the accurate in-position of a drilling machine and the pile foundation verticality, and is convenient to controlling the axial plane position of the pile foundation.

The invention relates to an inclined hole electrosparking processing device, comprising a joint body, an electrode deflection shaft, a positioning clamping screw, a tightening screw cap, a positioning shaft and a hollow small hole electrode. A connecting rod of the electrode deflection shaft is located in a rectangular slotted hole of the joint body; an equal-diameter end of a positioning shaft is located in a shaft hole of the electrode deflection shaft and is tightened up; a rubber sealing piece is located in the shaft hole of the electrode deflection shaft and the hollow small hole electrode penetrates through a drill chuck and is placed into the positioning shaft. In the invention, according to the inclined angle between the inclined hole and the X axis or Y axis and degree scale on the joint body, the inclined angle beta between the electrode and the X axis or the Y axis is initially adjusted, and the electrode is moved along the negative direction of Z axis or the positive direction of the X axis to obtain the actual inclined angle beta between the electrode and the X axis or the Z axis. In addition, the corresponding position of the inclined hole electrode and the inclined hole center C is identified to obtain coordinates of the Z axis and X axis of a machine tool, so that the problems of the existing small hole electrosparking processing device such as high cost, long cycle, difficult positioning of the electrode and low positional precision of processing holes and the like are solved and 0-90-degree inclined hole electrosparking processing is realized.

The invention discloses a bonnet support processing method and clamp and processing equipment for a bonnet support. The bonnet support processing method includes fixing a bonnet support through the special clamp to enable the central line of the bonnet support to be coaxial with the processing equipment; cutting a flange plane and an end face of a valve rod nut through the processing equipment; changing a cutter, rough-boring or fine-boring a valve rod nut hole, assembling a seal seat and a gland box; changing a cutter to enable the cutter to be coaxial with the processing equipment, rotating a rotation disc at 180 degrees, and finish-milling a thread of the valve rod nut; changing a cutter to enable the cutter to be coaxial with the processing equipment, rotating the rotation disc at 180 degrees, and drilling a flange hole; rotating the rotation disc at 90 degrees, and drilling an eyelet bolt hole and a lubrication hole of the valve rod nut on the support; changing a cutter, rotating the rotation disc at 90 degrees, scraping reversely and facing the back end face of the flange hole; and after finishing processing the back end face of the flange hole, disassembling the bonnet support. By the bonnet support processing method, processing on components can be finished through being clamped only once, and product processing accuracy and quality are improved.

The invention provides an end executor used for high-precision drilling and dimpling of a robot. The end executor comprises a spindle, a feeding unit of the spindle, a normal measuring device, a driving unit of the normal measuring device, a datum hole visual positioning unit and a guide rail installation plate. The spindle and the feeding unit of the spindle are installed on the guide rail installation plate. The normal measuring device is installed at one end of the guide rail installation plate. The datum hole visual positioning unit is installed on the back side of the guide rail installation plate. The end executor is compact in structure and comprises a plurality of function modules including a displacement detection module, a normal measuring module and a datum hole visual positioning module, and the measurement reliability is improved. The displacement detection module can detect the tool feeding amount and deformation amount of a workpiece when the workpiece is clamped and machined, and compensate for the deformation amount. The normal measuring device is small in size, multifunctional and high in measurement precision. The end executor is installed on an end flange plateof the industrial robot, and the drilling perpendicularity can be guaranteed.

The invention provides a hydraulic lifting self-ascending template system of intelligent independent unit structure. The hydraulic lifting self-ascending template system comprises a supporting system, a steel truss system arranged on the supporting system, an operating platform system and a template system which are hung on the steel truss system, a lifting system, a total electric control system, and a touch screen total control panel; wherein the lifting system, the total electric control system and the touch screen total control panel are applied to lift the operating platform system and the template system and adjust the balance of the operating platform system and the template system, and are sequentially in communication connection with each other; the supporting system comprises a plurality of main upright posts, and a plurality of supporting legs and guiding legs arranged on the main upright posts; each main upright post comprise an outer square pipe and an inner square pipe capable of moving opposite to each other; a self-ascending prompting system, an independent electric control system and an independent touch screen control panel which are sequentially in communication connection with each other for realizing the independent self-ascending of each main upright post, are arranged on the outer square pipe; and each supporting system can ascend independently by itself, in this way, the problems of security risks caused by the reduction of supporting points on the wall of the upper steel truss system due to the fact that multiple supporting systems ascend by themselves at the same time are solved.

The jacketed pipe prefabrication platform and prefabrication method of the present invention relate to the technical fields of petrochemical and chemical fiber equipment installation. Aiming at the problem that the prefabrication construction operation of the straight pipe section of the existing large-diameter jacketed pipe is relatively complicated and the work efficiency is low. It consists of a flange plate positioning frame, an inner tube positioning component and a number of outer tube positioning components; the adjustment rod set at the bottom of the positioning base can adjust the height of the flange plate; the inner tube positioning component is vertically fixed on the back plate The central rod, the telescopic guide wheel support frame sleeved on the central rod, and the support frame connected to the other end of the central rod, the telescopic guide wheel support frame is composed of a fixed sleeve sleeved on the central rod, along the central rod It is composed of a support rod with uniform radial axis and hinged with the fixed sleeve, and a telescopic bracket with one end hinged with the support rod and the other end connected with the central rod. The other end of the support rod is provided with a guide wheel; the outer tube positioning component includes a detachable Connect the outer tube bracket and the adjustment rod II.

The invention discloses an automatic rheological direct-shear apparatus and an operation method thereof. The automatic rheological direct-shear apparatus comprises a rheological direct-shear instrument (1) and a computer (2). The rheological direct-shear instrument (1) is under servo closed-loop control, a vertical load sensor (1-19) in a vertical servo loading system is employed for adjusting and controlling axial stress applied on a sample (1-30), and meanwhile, a first horizontal load sensor (1-3) arranged in a horizontal shear driving system and connected with a horizontal shear driving device is used for applying a constant a horizontal shear force on the sample (1-30), so direct-shear creep test of soil is realized; and at the same time, a horizontal displacement sensor (1-16) is employed for accurate control of the horizontal shear amount of the sample (1-30), so direct-shear strain relaxation test of soil is realized. The automatic rheological direct-shear apparatus provided by the invention can carry out both conventional direct-shear test and rheological direct-shear test on soil, has high stability and can realize accurate control of testing and whole-process automation of acquisition.

The invention provides an electric spark and electrochemical composite machining method of a micro-electrode, relates to an electric spark and electrochemical composite machining method, and belongs to the field of special machining. The electric spark and electrochemical composite machining method of the micro-electrode is provided in order to solve the problems that: the traditional electric spark grinding method of a block electrode has machining taper error, poor quality of an electrode surface, and a micro-electrolytic grinding method of an edge electrode has low machining efficiency. The method comprises the following: step 1. a machine tool is initialized, and tools and electrodes are clamped; step 2. a block electrode of an electrode (13) is subjected to electric spark grinding machining; step 3. the electrode (13) is subjected to electrolytic grinding finish machining; and step 4. the electrode (13) after being subjected to the electrolytic grinding finish machining is tested. The electric spark and electrochemical composite machining method is particularly applicable to the machining of micro cylindrical electrodes.

The invention discloses a welding method and equipment for a multifunctional threaded fastener. The welding method comprises MAG welding, TIG welding, MIG welding, stud welding and MIG brazing. The threaded fastener and a workpiece are positioned by a positioning mechanism of the equipment, a welding gun is clamped by a clamping mechanism, a pressing force is transmitted to a pressing mechanism by a power component, the threaded fastener and the workpiece are pressed by the pressing mechanism, the welding gun is driven to move downwards at the same time, and the threaded fastener and the workpiece are welded by a welding mechanism. Compared with existing arc welding equipment for welding the threaded fastener, the method and the equipment have the advantages that the efficiency is improved by 2 to 4 times; moreover, the problems of poor stability of conventional resistance projection welding of the threaded fastener, incapability in welding medium- and high-carbon steel, alloy steel, dissimilar metals and dissimilar materials, incapability of welding on the sidewall of a U-shaped sheet metal part, various hollow and solid pipe fittings and thick plates, incapability of abreast welding of the threaded fastener and the workpiece and the like are solved. In addition, the invention further provides MIG-brazed and flame-brazed fastener and a workpiece used for welding a threaded fastener and positioned by a light beam.

The invention provides a processing method for a high-precision thin step shaft and a grinding chuck for the processing method. The processing method mainly comprises the following steps: (1) preparing materials; (2) performing heat treatment; (3) performing end face and excircle turning and center drilling; (4) performing the heat treatment; (5) performing surface treatment; (6) performing abrasive machining on center holes in both ends of the thin step shaft; (7) grinding a step excircle and a step end face; (8) performing precision grinding; the grinding chuck comprises a clamping disk and a deflector rod arranged on the clamping disk; a chuck hole is formed in the middle part of the clamping disk; three inclined holes are evenly distributed, along the peripheral direction of the chuck hole, in the clamping disk; a lifting pin is arranged in each oblique hole, and is locked through an inner hexagon cone point set screw. According to the processing method and the grinding chuck provided by the invention, the thin step shaft is clamped through the grinding chuck to perform grinding on the excircle and the end face, and the processing quality is stable; meanwhile, traditional processes for cutting the thin step shaft into two pieces, performing abrasive cut-off on a rear end face and removing burrs are reduced in the processing technology of the processing method provided by the invention, so that the raw materials are greatly saved, and meanwhile, the processing efficiency is improved.

The invention provides a basement outer wall single-side steel formwork supporting system and a construction method thereof, and relates to the technical filed of constructional engineering equipment. Aiming at the problems that the labor intensity of construction personnel is high and formwork supporting work efficiency is low existing in the available supporting system, the basement outer wall single-side steel formwork supporting system and the construction method thereof are provided. The basement outer wall single-side steel formwork supporting system comprises a pair of tracks, bases, and a plurality of supporting trusses, wherein the pair of tracks is laid at a foundation slab and parallel to an outer wall steel formwork, the bases are arranged on the tracks and can slide along the tracks, and the multiple supporting trusses are vertically arranged at intervals and are connected with the outer wall steel formwork; and bottom parts of the supporting trusses are hinged to the bases, and the supporting trusses are detachably connected with top ends of the bases through a plurality of adjusting rod pieces. The construction method comprises the steps that the steel formwork supporting system is spliced and fixed, after outer wall concrete is poured, a ground anchor assembly and a diagonal bracing are disassembled, an adjusting rod piece is retracted, so that the demoulded outer wall steel formwork are made to be supported on the base, and the next working section is started to continue pouring construction of outer wall concrete.

The invention relates to the technical field of soil detection equipment, and discloses a soil obtaining device special for construction soil detection. The soil obtaining device comprises a rigid supporting sleeve, a connecting disc sleeves the middle of the rigid supporting sleeve through threads, and a threaded pipe sleeve is fixedly connected to the top of the connecting disc; an adjusting handle is arranged on one side of the top of the threaded pipe sleeve, and a soil sampling probe located below the rigid supporting sleeve is fixedly connected to the bottom of the connecting disc; evenly distributed soil obtaining grooves are formed in the periphery and the top of the soil sampling probe respectively. According to the soil obtaining device special for construction soil detection, three groups of auxiliary supporting devices and positioning devices are in pin connection with the ground at the same time, so that it is guaranteed that the upper end and the lower end of the whole device is fixed at the same time in the soil obtaining process, when drilling is carried out, the device cannot incline, the perpendicularity of a drill rod moving downwards is guaranteed, then soil indifferent soil layers can be conveniently taken out, the soil obtaining uniformity is improved, and accurate measurement data can be obtained conveniently.