Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

8106results about "Stone-like material working tools" patented technology

A battery powered chainsaw comprising at least one handle heating element

The present disclosure relates to a battery-powered chainsaw (1) comprising a cutting tool in the form of a saw chain (4) running on a guide bar, a front handle (7) at least partially extending transverse to the elongation of the guide bar and a rear handle (5) extending, at least partially, approximately in the elongated direction of the guide bar. A battery-operated heating unit comprising a first heating element (15) in the rear handle, a second heating element (13) in the front handle, and a temperature sensor (17) located in either of the rear or front handle. The heating unit (19) is configured to provide power to the first and second heating element based on a reading from the temperature sensor (17). Upon activation, a temporary power boost is provided to the first and second heating elements and subsequently a steady state power, lower than the power of the power boost.
Owner:HUSQVARNA AB

Work apparatus

A work apparatus includes: a housing; a motor support unit designed separately from the housing, the housing being fixed to the motor support unit. A drive motor is designed as an electric motor for driving a tool and is attached to the motor support unit. A receptacle housing designed separately from the motor support unit for receiving at least one battery pack for supplying the drive motor with electrical power is fixed to the housing. The receptacle housing and the motor support unit are designed and arranged relative to each other in such a way that the receptacle housing is able to move relative to the motor support unit in order to reduce, in particular to prevent, direct transmission of inertial forces emanating from the receptacle housing to the motor support unit in the event of an impact load on the work apparatus.
Owner:ANDREAS STIHL AG & CO KG

Device for detecting composite rock stratum structure while drilling, and intelligent identification method

A device for detecting a composite rock stratum structure while drilling, and an intelligent identification method. The device comprises an apparatus base (8), wherein a vertically arranged supporting rod is fixedly connected to the middle portion of the apparatus base (8), a drilling hydraulic oil cylinder (4) is fixedly connected on one side of the bottom of the supporting rod, and a piston end of the drilling hydraulic oil cylinder (4) is fixedly connected to an adaptive while-drilling data acquisition module (5) and is in sliding connection with the supporting rod; a sample table (1) is arranged above the adaptive while-drilling data acquisition module (5) and is fixedly connected to the supporting rod, and a top limiting system (3) is fixedly connected to the top end of the supporting rod; and a rock gripper (2) is arranged between the sample table (1) and the top limiting system (3), and the adaptive while-drilling data acquisition module (5), a data acquisition device (9) and a data analysis terminal (10) are all electrically connected to each other. A real mechanical environment of a coal mine site is reproduced, multiple parameters are acquired by means of the adaptive while-drilling data acquisition module (5), and the property parameters of a composite rock stratum are represented by using a machine learning method, so as to achieve the intelligent identification of rock lithology, such that support can be provided for intelligent control of surrounding rock of a coal mine roadway.
Owner:CHINA UNIV OF MINING & TECH +2

Glass wine bottle body defect optical detection equipment and detection method

The invention relates to the technical field of glass bottle defect detection, and particularly discloses glass wine bottle body defect optical detection equipment and detection method.The optical detection equipment comprises a conveying belt, and a clamping mechanism, a lifting rotating mechanism, a detection mechanism and a sorting mechanism are sequentially arranged on the conveying belt from the feeding end to the discharging end. The detection end of the detection mechanism is attached to the bottle body of the glass wine bottle for optical detection, the receiving end of the detection mechanism receives the light in the glass wine bottle, the light directly reaches the receiving end in the bottle after passing through a bottle body material, and a signal path is relatively fixed, so that the interference of ambient light or reflection of surrounding objects on an optical signal can be effectively reduced. The bottle body of the glass bottle has a certain thickness, deviation of light scattering and refraction is easy to occur when light passes through the thickness of the glass in traditional external detection, the error can be reduced by matching of an external detection end and an internal receiving end, fine defects such as bubbles, cracks or tiny scratches are helped to be captured, and the detection stability is improved.
Owner:湖北劲华玻璃有限公司

Wire cutting system and method based on diamond wire detection

The invention relates to the technical field of stone cutting, and provides a diamond wire detection-based wire cutting system and a cutting method.The image acquisition module and the wire diameter detection module are arranged to obtain image information and the wire diameter of a diamond wire respectively, so that the actual abrasion loss of the diamond wire is obtained; the expected value of abrasion consumption in a cutting period is obtained in advance according to the take-up and pay-off length and the lifting speed of the workbench, and the abrasion loss condition of the diamond wire can be judged in time by comparing the actual abrasion value with the expected value, so that the take-up length and the speed of the workbench are adjusted in time to meet the cutting requirement; therefore, the abrasion rate of the diamond wire can be effectively controlled, wire breakage is prevented, and meanwhile the purposes of saving cost and improving stone cutting efficiency can be achieved.
Owner:KEDA INDUSTRIAL GROUP CO LTD

Integrated underwater rock drilling and splitting device

Integrated underwater rock drilling and splitting device, characterized in that it comprises: a supporting structure (1); a drilling unit (2) mounted on the support structure (1); a splitting unit (3) mounted on the support structure (1), wherein the splitting unit (3) and drilling unit (2) are arranged at intervals; and wherein the splitting unit (3) comprises a splitting rod (301) provided with a plurality of telescopic piston segments (302); a positioning and borehole alignment system comprising a positioning pin (401) and at least one auxiliary positioning device, wherein the positioning pin (401) is designed to bear against and be fixed to a rock body (7) and the auxiliary positioning device is arranged relatively fixedly on the support structure (1); a workstation switching mechanism (5), wherein the support structure (1) is arranged on the drive side at a switching end of the workstation switching mechanism (5); wherein the workstation switching mechanism (5) is configured as a rotary switching mechanism or a translation switching mechanism; wherein the rotary switching mechanism is configured to drive the support structure (1) to rotate so that the splitting unit (3) is able to move and be aligned with the drilling position of the drilling unit (2); and wherein the translation switching mechanism is configured to drive the support structure (1) to translate so that the splitting unit (3) is able to move and be aligned with the drilling position of the drilling unit (2); and a connecting rod (6), wherein the connecting rod (6) is adapted to be connected to a ship-based manipulator arm in order to adjust the underwater depth of the device.
Owner:CHINA THREE GORGES CORPORATION

Wall surface scabbling device for narrow vertical tubular space and scabbling construction method

The invention relates to a wall surface scabbling device for a narrow vertical tubular space and a construction method, and belongs to the technical field of scabbling construction. The wall surface scabbling device comprises a top supporting frame, an inner supporting frame, a rotating frame and scabbling operation equipment, the top supporting frame is used for transversely supporting the top of a to-be-scabbled component with a vertical tubular space; the inner supporting frame is used for being supported in the vertical tubular space, and the inner supporting frame is connected to the top supporting frame through a lifting assembly so as to ascend and descend relative to the top supporting frame in the vertical tubular space; the rotating frame is rotationally connected to the inner supporting frame through the rotating assembly and rotates relative to the inner supporting frame with the axis of the inner supporting frame as the axis. The scabbling operation equipment is installed on the rotating frame and faces the wall face of the vertical tubular space, and the scabbling operation equipment rotates along with the rotating frame so as to change the operation position in the circumferential direction. The scabbling device can replace manpower to carry out wall scabbling construction in a narrow vertical tubular space, the construction efficiency is high, and the risk is low.
Owner:崂山国家实验室

Efficient cleaning equipment for finished optical glass lenses

The invention discloses efficient cleaning equipment for finished optical glass lenses, and belongs to the technical field of optical lens conveying, the efficient cleaning equipment comprises a centralized heating tank body and a conveying track seat which are arranged on a supporting seat, a detachable tank cover is arranged at the end part of the centralized heating tank body, and the detachable tank cover is connected with a fixed-distance conveying disc through a pushing conveying piece; and a lens sticky glue impurity cleaning unit, a lens rotary deburring unit and a conveying unit are sequentially arranged on the two sides of the conveying track base. The lens slicing device is designed for solving the problem that burrs exist after lenses are sliced, and in the process that the lenses are conveyed one by one through the conveying grooves in the interval type conveying belt, the suction cup type driving pieces arranged on the two sides of the conveying rail base drive the lenses to rotate; and in the rotating process, the original right-angle cutting edge is gradually ground into an inclined surface through the burr trimming piece, so that the burrs on the cutting edge are treated, the quality defect caused by the fact that the burrs enter a mirror surface in the subsequent double-sided grinding process is avoided, and the sheet forming rate of lens processing is remarkably improved.
Owner:SHENZHEN RUI EURO OPTICAL ELECTRONICS CO LTD

Cutting device and cutting method

The invention discloses a cutting device and a cutting method. The cutting device comprises a cutter, an energy supply assembly and a liquid guide assembly. The cutter is used for cutting a workpiece to be machined, and the cutter is made of a light-transmitting material. The energy supply assembly is configured to be capable of emitting laser, the laser penetrates through the tool and irradiates a machining part at the cutting position of the tool, the liquid guide assembly is suitable for providing reaction liquid for the machining part, and the reaction liquid is configured to be used for reacting with the machining part under irradiation of the laser so that materials of the machining part can be modified. And therefore, the difficulty in machining of the material at the machining part is improved, and the cutter can remove the material at the machining part of the to-be-machined workpiece conveniently. Under the dual effects of an energy field provided by the energy supply assembly and physical and chemical reactions of the reaction liquid, the material property of the processing part is rapidly and accurately changed, and on the premise of ensuring the processing quality, the controllability of material modification is realized, and the modification efficiency of the material is improved.
Owner:JILIN UNIVERSITY

Rib planting integrated equipment and operation method thereof

The invention relates to the technical field of constructional engineering, and discloses bar planting integrated equipment and an operation method thereof.The bar planting integrated equipment comprises a bearing mechanism which comprises a machine shell, a storage groove formed in the outer side of the machine shell, telescopic supporting legs rotationally installed in an inner cavity of the storage groove and universal wheels fixedly installed at the bottom of the machine shell; the driving mechanism comprises a three-section type hydraulic telescopic column located in the center of an inner cavity of the machine shell, a ball bearing seat fixedly installed at the end of the three-section type hydraulic telescopic column and a jacking buffering assembly fixedly installed at the top of the ball bearing seat. And the integrated mechanism is used for integrated punching operation and comprises an operation support fixedly installed on the outer surface of the innermost section of the three-section type hydraulic telescopic column. An integrated platform is provided for the punching assembly, the hole cleaning assembly, the glue injection assembly and the steel bar planting assembly through the integrated mechanism, the assemblies can be reasonably distributed around operation points, operation of all steps is rapidly achieved, and therefore the operation efficiency is effectively improved.
Owner:CHINA RAILWAY NO 5 ENG GRP BUILDING ENG +2

Magnetorheological polishing processing method of NiP modified reflector

The invention discloses a magnetorheological polishing processing method for a NiP modified reflector, which comprises the following steps of: preparing a NiP modified layer, and carrying out ultra-precision turning processing and magnetorheological polishing modification processing on the NiP modified layer until the NiP modified layer meets index requirements. According to the magnetorheological polishing machining method for the NiP modified reflecting mirror, the NiP modified reflecting mirror blank workpiece is machined through ultra-precision turning and magnetorheological polishing, so that surface defects generated in the machining process of the NiP modified reflecting mirror blank workpiece can be effectively eliminated, and the machining efficiency can be improved; meanwhile, the surface shape precision and the surface quality of machining can be improved, the NiP modified reflector blank workpiece can be machined into the high-quality NiP modified reflector, and the method has the advantages of being few in machining defect, high in machining quality, high in machining efficiency, good in repeatability and the like; the method is of great significance in promoting wide application of the NiP modified reflector in the optical fields of visible light wave bands, shorter wavelength wave bands and the like.
Owner:NAT UNIV OF DEFENSE TECH

Micro-sized lens array machining device and method based on micro-forming tool

ActiveCN119635844Aavoid shape distortionReduce shape distortionWorking accessoriesStone-like material working toolsMachine toolUltra precision
The invention discloses a micron-sized lens array machining device and method based on a micro-forming tool, and relates to the technical field of micron-sized lens array machining, the micron-sized lens array machining device comprises an ultra-precision machine tool with a Y axis, a lifting tool rest and an arc tool, a vacuum chuck on the Y axis of the ultra-precision machine tool is used for installing a workpiece, and the lifting tool rest is used for installing the arc tool; the lifting tool rest can drive the arc tool to ascend and descend in the Y direction and enable the arc tool to machine the surface of a workpiece to form a micro-lens unit, and the ultra-precision machine tool can drive the workpiece to move in the X direction, the Y direction and the Z direction relative to the arc tool and enable the arc tool to machine the surface of the workpiece to form a micro-lens array. And the radius of a cutting edge of the arc cutter is equal to the curvature radius of the micro-lens unit. According to the invention, high-quality and high-uniformity micron-sized lens array processing can be realized.
Owner:BEIJING INST OF TECH

Cutting dust removal device

The utility model belongs to the technical field of glass production, and discloses a cutting dust removal device. According to the cutting dust removal device, the first cavity is formed in the supporting seat, the electrostatic dust removal airflow is introduced into the first cavity, the electrostatic dust removal airflow eliminates dust static electricity in time, the adhesive force of dust on the surface of a glass substrate is effectively removed in time, meanwhile, the dust is sucked and discharged through the dust suction assembly, negative pressure is formed in the first cavity, and the dust removal effect is improved. The dust dissipation to the outside of the first cavity is effectively reduced, and the pollution of the dust to the glass substrate is eliminated, so that the quality and the cutting yield of the glass substrate are remarkably improved.
Owner:HENAN XINGYANG PHOTOELECTRIC TECH CO LTD

High efficiency stone material wire saw cutting apparatus

The application relates to the technical field of stone cutting equipment, in particular to high-efficiency stone wire saw cutting equipment, which is characterized by comprising a mounting frame, a lifting frame, a lifting driving mechanism, a stone clamping and placing mechanism and a wire saw cutting mechanism, the lifting frame is arranged in the mounting frame and is slidably connected to the mounting frame through a first sliding assembly, the lifting driving mechanism is arranged on the mounting frame and is used for driving the lifting frame to lift, the stone clamping and placing mechanism is arranged below the lifting frame and is used for clamping and placing a stone body, and the wire saw cutting mechanism is arranged on the lifting frame. The application can effectively reduce the wire breaking probability of the cutting wire, the threading overhauling after wire breaking is relatively convenient, and the consistency of the tension among the multiple cutting wires can be effectively ensured.
Owner:QUANZHOU FUYOU STONE CO LTD

Ultrathin stone machining device and machining method based on cutting and finishing

The invention relates to the technical field of stone machining, in particular to an ultrathin stone machining device and machining method.The ultrathin stone machining device based on cutting and trimming comprises a shell and a cutting and trimming machine cutting and polishing structure arranged at the top of an inner cavity of the shell, and the bottom of the inner cavity of the shell is fixedly provided with a driving containing piece moving structure used for containing stone to move; airflow driving pieces used for enabling the output ends to move downwards to press the stone are arranged at the positions, close to the two side walls, of an inner cavity of the shell, blowing structures attached to the guiding pieces are arranged on the opposite surfaces of the two airflow driving pieces, when cutting is not carried out, the two blowing structures are both in a horizontal state, the ends of the two blowing structures are attached, and cutting is carried out. According to the stone cutting and polishing device, the cutting and polishing structure is separated from the moving structure, the hands of workers can be isolated from the cutting and polishing structure when the workers take and place stones, the possibility of being injured is reduced, and even if the stones are lifted up accidentally, the stones make contact with the blowing structure preferentially, and the situation that the stones are damaged by sharp positions of the cutting and polishing structure is avoided.
Owner:HUBEI PROVINCE HUAJIAN STONE CO LTD

Wire cutting assembly and lifting type multi-wire cutting wire saw using same

The wire cutting assembly comprises a bottom frame, a cutting frame, rollers, a take-up and pay-off assembly, a tensioning assembly and a lifting frame, the cutting frame is arranged at the upper end of the bottom frame, the lifting frame is arranged under the cutting frame through a lifting device, the rollers are symmetrically arranged on the cutting frame, and the tensioning assembly is arranged on the lifting frame. The take-up and pay-off assembly comprises a pay-off device and a take-up device, at least two cutting lines are wound on the roller at intervals corresponding to the take-up and pay-off assembly, the pay-off device and the take-up device are arranged on the cutting frame corresponding to the two ends of the cutting lines, and one take-up and pay-off assembly correspondingly controls take-up and pay-off of one cutting line. The tensioning assembly is arranged on the cutting frame corresponding to the pay-off device and the take-up device. Through the arrangement of the multiple pay-off devices and the multiple take-up devices, simultaneous work of multiple cutting lines is achieved, the speed and tension of each cutting line can be independently controlled, and the problem that tension is possibly uneven when multiple cutting lines are driven by a traditional single motor is solved.
Owner:CHANGSHA BELDEN NEW MATERIAL TECH CO LTD

Automatic processing system and method for graphene cooling fins

The invention relates to the technical field of graphene, and more particularly discloses an automatic processing system and method for a graphene cooling fin, and the method comprises the steps: obtaining the specification and shape parameters of the cooling fin, a monitoring video, a slicing pressure value and other information, extracting a slicing process change feature vector, a cooling fin parameter correlation feature vector and a pressure feature vector, and obtaining a graphene cooling fin; the feature vectors are classified through a classifier, and whether the pressure value at the current time point needs to be increased or decreased is judged. In this way, automatic machining of the graphene cooling fins is achieved, and the machining applicability and quality are improved.
Owner:JIANGXI MOFENG GRAPHENE ADHESIVE PROD CO LTD

Building engineering material cutting equipment

The invention belongs to the technical field of cutting equipment, and particularly relates to building engineering material cutting equipment which comprises a base, a control box and a PLC, the control box and the PLC are arranged on the front side of the base, and two supporting plates and two connecting plates are fixedly connected to the upper side wall of the base; the side walls of the opposite sides of the two supporting plates are each rotationally connected with a plurality of transmission rollers, and the same conveying belt mechanism is arranged between the two connecting plates. Before the stone cutting surfaces are polished, the position of the polishing assembly can be automatically adjusted, so that the polishing assembly is located in the middle of the two cutting surfaces, the cutting surfaces on the two sides can be synchronously polished, and in the process of positioning the polishing assembly, the flatness of the cutting surfaces is automatically detected; and when it is detected that the cutting face of the stone inclines due to abrasion of the cutting disc, an operator can be reminded to replace the cutting disc in time, and therefore the working performance of the cutting equipment is guaranteed.
Owner:XIAN SHANGSHENG JIAHUA MATERIAL TECH CO LTD

Two-Hole Core Drilling Machine

A two-hole core drilling machine of the invention includes a body, a vertically reciprocating carriage vertically reciprocably mounted to the body, a fixing plate coupled to one side surface of the carriage, to rotatably support a drive shaft of a motor, a pivoting plate fastened to the fixing plate under a condition that a pivot angle of the pivoting plate is changed, a moving plate fastened to the pivoting plate under a condition that a length of the moving plate from the pivoting plate is varied, a belt or chain mounted between a drive pulley coupled to the drive shaft and a driven pulley coupled to a driven shaft rotatably mounted to the moving plate, a first core bit coupled to the drive shaft, and a second core bit coupled to the driven shaft.
Owner:EGUN CO LTD

Microcrystal texture glass cover plate and preparation method thereof

The invention discloses a microcrystalline texture glass cover plate and a preparation method thereof. The microcrystalline texture glass cover plate comprises a glass body; a series of surface microstructures are arranged on the surface of the glass body, the section of each surface microstructure is in a wave shape, compared with a common glass cover plate, the glass cover plate is endowed with more excellent optical and mechanical performance due to the special structure of the microcrystalline glass, and the requirements of high-end markets are better met when the glass cover plate is applied to consumer electronics cover plates. The diversification of the MASK design provides diversification of the texture effect of the microcrystalline glass, and specific requirements are met. And the surface of the microcrystalline glass is processed more accurately by the yellow light development technology and reaches the micron level. Pyramid morphology of particles on the surface of the microcrystalline glass is regulated and controlled through a wet etching process, uniform etching is carried out, the texture effect is brighter, and the hand feeling is finer and smoother.
Owner:WUHU TOKEN SCI

Split type shield rapid opening and closing structure and grooving machine capable of rapidly replacing cutting blade

The utility model relates to a split type shield quick opening and closing structure and a grooving machine with a cutting blade capable of being quickly replaced, and belongs to the technical field of grooving machines, the split type shield quick structure comprises an outer front shield, an inner shield and an outer rear shield, the outer front shield and the outer rear shield define a cavity with an opening in the bottom, the inner shield is partially located in the cavity, and the cutting blade can be quickly replaced in the cavity. A part is exposed out of the cavity; the front ends of the bottoms of the outer front cover, the inner cover and the outer rear cover are hinged through a rotating shaft; the inner cover is also connected with the outer front cover or the outer rear cover at the rotating shaft through a torsion spring; a locking mechanism is arranged at the top of the outer front cover, the locking mechanism is hinged to the outer front cover, and the locking mechanism buckles the outer rear cover in a locking state; and when the locking structure is in an open state, the outer front cover is rotationally connected relative to the outer rear cover by taking the rotating shaft as an axis. The split type shield rapid opening and closing structure is unlocked in two steps, the inner shield is separated from the position between the outer front shield and the outer rear shield firstly, then the outer front shield and the outer rear shield are separated, operation is easy, and the safety of the unlocking process can be guaranteed.
Owner:ZHEJIANG JINMEI TOOLS

Stone drill

This drill has an integrally formed extension (3) at its front end, which is smaller in diameter than the other drill bit (1). The extension (3) at the front end of the drill bit (1) preferably has a diameter d that is half the diameter D of the remaining drill bit (1) located behind the extension (3). The drill bit allows for perfect positioning, centering, and guidance of the hole along the intended drilling line.
Owner:KOJOVIC JOVO

Stone machining device facilitating stone taking and placing

The stone machining device comprises a step frame, a three-axis carving machine is installed on the upper step face of the top end of the step frame, and two symmetrical L-shaped shaft frames are installed on the portion, on one side of the three-axis carving machine, of the lower step face of the step frame. Rotary plate containing bases are rotationally installed on the outer walls of the opposite sides of the two L-shaped shaft brackets correspondingly, and at least four annular rectangular notch grooves at equal intervals are formed in the outer walls of the rotary plate containing bases. The double-end split clamping plate assembly firmly fixes a stone plate, the chain wheel driving unit drives the rotary plate containing base to rotate, the carved stone plate is turned over to the belt plate conveying machine till the stone plate is conveyed out of a storage station, so that the purpose of continuous discharging is achieved, and workers only need to manually support the stone plate to turn over in the discharging process.
Owner:XIAMEN STONE TOWN SOFTWARE TECH CO LTD +1

Light wallboard gantry cutting device

The utility model provides a light wallboard gantry cutting device, and relates to the technical field of building material field processing, the light wallboard gantry cutting device comprises a rack, a three-axis module mechanism, a cutting assembly and a material moving mechanism, one side of the rack in the horizontal direction is provided with an opening, the rack is provided with a cutting station and a feeding and discharging station, the cutting station is located in the rack, and the feeding and discharging station is located in the rack. The feeding and discharging station is located on the opening side of the machine frame. The three-axis module mechanism is arranged on the machine frame and comprises a movable end. According to the gantry cutting device for the light wallboards, the cutting device is placed near a construction building, the light wallboards are driven by the material moving mechanism to turn over and enter the cutting station, and after feeding, the light wallboards are transversely cut through the three-axis module mechanism and the cutting assembly, so that field width cutting operation is achieved, and the cutting efficiency is improved for scenes needing batch cutting. And a plurality of arranged light wallboards can be directly placed and cut in sequence, so that the labor cost is greatly reduced, and the building construction efficiency is improved.
Owner:GUANGDONG DEEP PLATE ASSEMBLY TECHNOLOGY CO LTD

Dining table cutting device

The invention discloses a dining table cutting device. The dining table cutting device comprises a base table; a feeding roller is embedded in the surface of one end of the base table, a discharging roller is arranged at the other end of the base table, and a cutting table is arranged on the base table and located between the feeding roller and the discharging roller. The conveying mechanism is arranged on the base station; the cutting mechanism is arranged on the base station; the conveying mechanism comprises a conveying roller and a conveying motor, and the output end of the conveying motor is in transmission connection with a shaft rod at one end of the conveying roller; the cutting mechanism comprises supporting plates symmetrically arranged on the two sides of the base table, the supporting plates are in an L shape, a cutting base is arranged between the supporting plates, a saw blade is rotationally installed in the cutting base and corresponds to the cutting groove, and the cutting base reciprocates between the two supporting plates. According to the plate cutting device, continuous feeding, cutting and discharging can be automatically conducted, the plate cutting efficiency during dining table machining is improved, plates with different widths can be conveyed and cut, the applicability is greatly improved, and the application range is greatly widened.
Owner:惠州市盛汇家居制品有限公司

Double-injection and double-sealing type soundless cracking agent high-pressure rock breaking method

The invention discloses a double-injection double-sealing type silent cracking agent high-pressure rock breaking method, and relates to the technical field of hard roof weakening and high-stress roadway surrounding rock pressure relief. Water injection and double-end hole sealing are conducted through a drilling hole packer; checking the sealing state of the debugging pipeline; high pressure of a soundless cracking agent is blended and injected; waiting for the soundless cracking agent to expand and break the rock; and releasing the pressure of the hole packer and carrying out the next circulation. The method can achieve the effect of presplitting the working face roof, guarantees smooth caving of the goaf roof, reduces the risk of goaf roof suspension, is suitable for a working face with hard crossheading roof rock strata and a goaf roof cantilever not prone to caving, and has wide application prospects.
Owner:CHINA UNIV OF MINING & TECH

Precise manufacturing method of special-shaped lens

The invention provides a precision manufacturing method of a special-shaped lens, a convex spherical surface and a concave aspheric surface are formed on the front and back surfaces of the special-shaped lens respectively, a chord plane is formed on each of the two sides of the special-shaped lens, and the method comprises the following steps: S1, performing rough grinding forming on set fitting spherical surfaces of the convex spherical surface and the concave aspheric surface of the special-shaped lens; s2, turning a concave aspheric surface; s3, after turning is completed, whether the concave aspheric surface is qualified or not is detected, if yes, the step S4 is executed, and if not, the step S2 is repeated; s4, discharging from the disc, cleaning the special-shaped lens, and protecting the concave aspheric surface by using a protective layer; s5, starting the numerical control machining center, and machining two chord planes by taking the convex spherical surface and the concave surface platform as positioning references; s6, a machine tool is started, the protected concave aspheric surface and the special-shaped matching tool are placed into a vacuum adsorption tool together, a polishing disc is installed, and a polishing program is started; and S7, detecting the surface shape precision and the surface smoothness of the convex spherical surface. According to the method, the edge breaking phenomenon during machining is effectively avoided, and the machining difficulty is reduced.
Owner:TIANJIN JINHANG INST OF TECH PHYSICS

Repairing device and method for drilling plunger-shaped sample core

The invention relates to a repairing device and method for a drilled plunger-shaped sample rock core, and the repairing device for the drilled plunger-shaped sample rock core comprises a rack, and a lifting clamping mechanism, a hole site adjusting mechanism and a cutting mechanism which are arranged on the rack; the lifting and clamping mechanism is provided with a filling and fixing space, a rock core to be repaired is mounted in the filling and fixing space, a sampling hole in the rock core can be upward, and the rock core can be fixed; the hole position adjusting mechanism is provided with a liftable positioning mechanism, the positioning mechanism is located above the filling fixing space, the positioning mechanism has a contraction state and an expansion state, the positioning mechanism in the contraction state can extend into the sampling hole, and the positioning mechanism in the expansion state can uniformly abut against the inner wall of the sampling hole in the sampling hole in the radial direction; the sampling hole is in a vertical state; the cutting mechanism is provided with two coaxial cutting knives which are arranged in parallel, and the cutting paths of the two cutting knives are located on the two sides of the sampling hole. According to the device and the method, the core after the plunger-shaped sample is drilled can be repaired.
Owner:INST OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI

Apparatus For Reverse Cutting Process For Nuclear Power Plant Structure

The apparatus for reverse cutting of a structure, according to the present invention, comprises a pair of reverse pulley devices, the pair of pulley devices comprising: main tubes inserted and mounted so as to penetrate two holes; a pair of first support pulleys mounted on the inner sides of the front ends of the main tubes to rotatably support a wire; a pair of second support pulleys mounted on the inner sides of the rear ends of the main tubes to rotatably support the wire; openings which are cut in portions where the two main tubes face one another and allow the wire to move; and cap covers which are coupled to the front ends of the main tubes to seal same.
Owner:EGUN CO LTD

Gypsum board suspended ceiling drilling installation robot and method

The invention discloses a gypsum board suspended ceiling drilling installation robot and method. The robot comprises a movable platform system; the lifting structure system is mounted on the movable platform system and is used for lifting an operation platform at the top of the lifting structure system to a corresponding height for construction operation; the drilling rotary table system is mounted on the operation platform, comprises a rotary table, a motor rotary table part for driving the rotary table to rotate, and an ash and dust removal part, a drilling part and a repairing and spraying part which are uniformly mounted on the rotary table along the circumference, and is used for realizing the functions of drilling, ash and dust removal and repairing and spraying of the gypsum board suspended ceiling; the keel delivery system is used for delivering main keels and auxiliary keels and grabbing gypsum boards; the gypsum board jacking system is used for jacking the gypsum board; and the gypsum board cutting system is used for cutting the gypsum board. According to the device, gypsum board suspended ceiling drilling and mounting are integrated, commands such as gypsum board suspended ceiling drilling and mounting are automatically completed, and the construction efficiency and quality are further improved.
Owner:WUHAN CONSTRUCTION ENGINEERING GROUP CO LTD +1