736results about How to "Reduce auxiliary time" patented technology

The self-protective high chromium cast iron cored build-up welding wire has metal powder core comprising nickel powder 6-8 wt%, middle carbon manganese iron 8-10 wt%, No. 45 ferrosilicon 9-12 wt%, high carbon ferrochromium 65-75 wt%, metal Cr powder 18-21 wt%, ferromolybdenum 5-7 wt% and Al-Mg powder 1.5-2.5 wt%, and with one welding wire filling amount of 0.49-0.53. The present invention makes it possible to use the welding wire in submerged arc welding without needing added flux and protecting gas, results in raised comprehensive welding performance and raised welding quality, and may be applied widely in build-up welding field requiring high antiwear, anticorrosive and anticracking performance.

The invention discloses equipment and a method for efficiently welding chips of double-interface intelligent cards. The equipment for efficiently welding the chips comprises a card transfer mechanism, a chip transportation mechanism, chip turnover mechanisms, an antenna correcting device, welding devices and a turntable. The card transfer mechanism is used for transferring each to-be-welded card to a card access station and fetching each welded card from the card access station, the chip transportation mechanism is used for transporting each chip to the card access station, the chip turnover mechanisms are used for turning the chips in horizontal states so that the chips can be in vertical states, the antenna correcting device is used for correcting the perpendicularity of the ends of each antenna, the welding devices are used for welding the ends of the antennas at corresponding welding spots of the chips, the turntable has an intermittent precision stopping function, a plurality of working units which are circumferentially and uniformly distributed are arranged on the turntable, and a card positioning mechanism and the corresponding chip turnover mechanism which can intermittently rotate along with the turntable are arranged in each working unit; working stations which are circumferentially and uniformly distributed are fixedly arranged at the outer periphery of the turntable, and the quantity of the working stations is identical to that of the working units. The equipment and the method have the advantages of high welding efficiency, good welding quality, convenience in use and maintenance and the like.

The invention discloses a double-flexible-grinding-head magnetorheological polishing device. In the device, a vertical gantry of a bed body and an X-axis are both fixed on a horizontal base; a worktable is fixed on a sliding block of the X-axis; a Y-axis is fixed on a horizontal beam of the vertical gantry; and a first Z-axis and a second Z-axis are arrangedon the Y-axis in parallel. A large flexible grinding head is installed on the first Z-axis; and a small flexible grinding head is arranged on the second Z-axis. A high-flow circulation system connected with the large flexible grinding head and a low-flow circulation system connected with the small flexible grinding head are arranged on a trolley. A control cabinet is arranged at the rear part of the vertical gantry; and a circulation system cabinet and a cleaning system are arranged at the side surface of the vertical gantry. The double-flexible-grinding-head magnetorheological polishing device provided by the invention has the advantages of high accuracy, high rigidness, high stability and high dynamic property. The double-flexible-grinding-head magnetorheological polishing device not only can be used for processing of large-caliber phase elements, but also can be used for high-accuracy processing of large-caliber planar optical elements within the range of full caliber. The optimal matching of the processing efficiency and the processing accuracy can be realized.

The invention discloses miniaturized gantry type five-axis processing equipment, and relates to the field of machine tool design. X-axis guide rails are fixedly arranged on the front part of a lathe bed base; the X-axis guide rails are three linear guide rails which are arranged in the form of a triangle in space and are parallel to one another; an X-axis drag plate which moves in the X-axis direction is mounted on the X-axis guide rails; double rotary workbenches are mounted on the X-axis drag plate; the front part of the lathe bed base is further equipped with a first motor base and a first tail end base; an X-axis lead screw is arranged between the first motor base and the first tail end base; the X-axis lead screw is combined with a nut flange surface of the X-axis drag plate; an X-axis motor drives the X-axis drag plate to move in the X-axis direction; two stand columns are further mounted on the lathe bed base; a movable type magazine tool is mounted between the two stand columns; and a beam is mounted on the two stand columns. The miniaturized gantry type five-axis processing equipment is used for automatically loading and unloading workpieces by a mechanical arm, performs automatic tool replacing by the movable type magazine tool and completes automatic production of workpieces by programming through a numerical-control system, so that processing auxiliary time is shortened, and production efficiency is improved.

The invention discloses a laser perforating device capable of improving the conical degree and the inner wall quality of a hole, and a method. According to the method of the laser perforating device, a workpiece is subjected to primary laser perforating and then rotates 180 degrees in the x direction of the hole through a rotatable clamp, so that the workpiece is just soaked into water, x and y coordinates of the small hole are not changed, and then secondary laser perforating is conducted through a laser-induced cavitation technology; and in addition, the laser perforating device capable of improving the conical degree and the inner wall quality of the hole is designed and comprises a power box, an uncovered cuboid container, a laser head, a laser guide pipe, a CCD camera, a laser device, a z-direction moving mechanism, a fixing clamp device, an x-y moving platform and a rotatable clamp device. According to the laser perforating device and the method thereof, the mode of conducting laser perforating in air and the mode of conducting laser perforating in water are coupled, secondary perforating is completed by turning over the workpiece so that the conical degree of the hole can be improved, the laser perforating technology and the laser-induced cavitation technology are combined in the secondary perforating process, and the inner wall of the hole is strengthened by impact waves generated through cavitation.

The invention relates to a device for realizing rotary fluid supply and recycle during revolving / rotating type magnetorheological polishing, which comprises a shell, a revolving base, a bearing block, a rotating shaft, a polishing wheel, a circulating system and other necessary auxiliary devices, and is characterized in that the circulating system comprises a first fluid injection channel, a second fluid injection channel, a first fluid extraction channel, a second fluid extraction channel, a fluid injection annular groove, a fluid extraction annular groove and a sealing ring. Magnetorheological polishing fluid in a fluid storage tank flows into the fluid injection annular groove and the second fluid injection channel through the first fluid injection channel on the shell and is added onto the polishing wheel through a fluid injection nozzle. The magnetorheological polishing fluid recycled by a collector flows into the second fluid extraction channel on the shell through the first fluid extraction channel and the fluid extraction annular groove and finally returns to the fluid storage tank. The problem of settlement and unsmooth operation of the magnetorheological polishing fluid during circulation in the existing revolving / rotating type magnetorheological polishing technology can be solved, and the problem that the pipeline cannot be cleaned automatically via the operation of a pump also can be solved.

The invention provides an intelligent plate part machining production line provided with universal equipment and special equipment. Four special machining tools and a universal machining tool are sequentially and linearly arranged from an automatic feeding device, wherein the four special machining tools are located on a first station, a second station, a third station and a fourth station, and the universal machine tool is located on a fifth station; a truss conveying transport device is arranged behind the first station, the second station, the third station and the fourth station in parallel, and four mechanical arms are arranged on the truss transport device to transfer materials on the corresponding stations; a four-axis manipulator is arranged between the fourth station and the fifthstation and is used for transferring the materials between the fourth station and the fifth station and discharging finished products; industrial cameras are arranged on the second-station mechanicalarm and the four-axis manipulator and are used for recognizing defective products; waste boxes are arranged between the first station and the second station as well as between the fourth station andthe fifth station and are used for storing the defective products; a discharging box is arranged on the front side of the fifth station and is used for storing the finished products; and a scrape conveying mechanism is arranged below the whole production line and is used for collecting and transferring scrapes. According to the intelligent plate part machining production line, the universal equipment and the special equipment are combined, and flexible clamps and sliding rail cylinders are used, so that the production line is flexible, the machining times of the stations are balanced, and theproduction efficiency is improved.

The invention relates to a comprehensive mechanization stone drift heading machine set, which comprises a shovel plate part, a caterpillar band travelling part, a rack, a belt conveying part, a flexible cutting part, a hydraulic drilling rig device, an advance support device, a hydraulic control system and an electric control system. The comprehensive mechanization stone drift heading machine set is characterized by also comprising a rotation part, two side supporting devices and top and bottom plate supporting devices. The comprehensive mechanization stone drift heading machine set disclosed by the invention is improved and perfected to enable the structure design to be more reasonable and compact, and the performances, such as working efficiency, stability, reliability, and safety of the set, are improved. Comprehensive mechanization construction equipment is provided for mine underground stone drift heading, and is especially adaptive to the underground stone drift mechanization operation and construction of various big, medium and small mines.

The invention discloses an automatic device for machining two ends of shaft parts. The automatic device comprises two numerically controlled lathes, wherein directions of headstocks of the two numerically controlled lathes are opposite and the two numerically controlled lathes are mounted on the central line on the same horizontal plane; and one numerically controlled lathe is fixedly mounted and the other numerically controlled lathe is mounted in a way of being capable of being movably adjusted. A shaft part semi-finished product conveying mechanism is arranged between the two lathes. The front end of the first lathe is provided with a material cabin of a shaft part blank material and a material conveying mechanism; the rear end of the first lathe is provided with a positioning mechanism; the two mechanisms are matched to place one end of the shaft part blank material at one end of a machining part for machining a work piece of the first lathe; the rear end of the second lathe is provided with a material conveying and positioning mechanism and the front end of the second lathe is provided with an auxiliary positioning mechanism and a shaft part finished product collector; and the two mechanisms are matched to place a machined shaft part semi-finished product on the other end of a machining part for machining the work piece of the second lathe. According to the automatic device disclosed by the invention, the continuous automatic production of the two lathes is realized and two difficulties in the prior art that the labor production rate is low and equipment has no generality are solved.

The invention discloses a synchronous self-locking pneumatic adaptive fixture used for the machining of annular thin-walled parts, belonging to the technical field of mechanical machining. The synchronous self-locking pneumatic adaptive fixture includes a zero point positioning system, a base body, a plurality of pressure plate mechanism assemblies, a plurality of columns, a plurality of support mechanism assemblies and a plurality of adaptive support body assemblies. Among them, the pressure plate mechanism assemblies complete the axial compression of the workpiece through the lever force increasing mechanisms and the orthogonal self-locking mechanisms. And the support mechanism assemblies complete the radial support of the workpiece through the rod slider mechanisms and the orthogonal self-locking mechanisms. The invention not only has high clamping efficiency and good stability, but also can ensure the reliable clamping and safe machining of the workpiece when the air source is disconnected.

The invention provides a full-automatic drill grinder. The full-automatic drill grinder comprises a transposition device as well as a feeding device, a grinding device, a detection device and a discharge device which are located around the transposition device, wherein the transposition device comprises a transposition disk and clamping heads arranged on the transposition disk, drills are mounted on the clamping heads through the feeding device, and then the transposition disk is rotated, so that the drills sequentially passes through the grinding device, the detection device and the discharge device for corresponding processing, a whole grinding process can be finished after one-time clamping, both the dismounting time of the drills and errors can be reduced, and the auxiliary time is shortened; servo motors are mounted behind the clamping heads and used for driving the drills on the clamping heads to rotate, so that grinding angles of the drills are adjusted correctly; and the drill grinder is controlled by a program and high in accuracy, the pass percent of the drills is increased, the labor condition is improved, the problems that workers are prone to fatigue and sight losing due to work under microscopes for a long time are solved, and the full-automatic drill grinder is widely applicable to grinding machining of various fine drills.

The invention discloses a motor train set stop counterpoint video monitoring system, comprising an image acquisition and processing unit for real-timely monitoring the motion of a maintained motor train set, a monitoring unit embedded with a scale function module and an alarm prompt device controlled by the monitoring unit, wherein the image acquisition and processing system is mounted according to the maintenance position on which a maintained motor train set should stop, the image acquisition and processing system is connected with the monitoring unit connected with at least one user PC, the image acquisition and processing system and the user PC and the user PC are connected and communicated via a wireless network, the scale function module real-timely measures the motion speed of the maintained motor train set and the distance between the maintained wheel of the motor train set and the maintenance position. The invention can accurately display the distance between the maintained wheel of a maintained motor train set and the processing position, via which drivers can park accurately, realize accurate counterpoint of wheels and attain high working efficiency.

The invention discloses a mining linkage all-hydraulic drilling machine which comprises a pump station system, a power head, a base, a machine frame, an upright post, a gripper, a drilling tool, a drilling machine thrust cylinder and a hydraulic linkage system, the hydraulic linkage system comprises a multiway valve unit and a linkage unit, the pump station system is connected with the linkage unit by the multiway valve unit, the linkage unit comprises an advance and retreat pole hand-operated direction valve, a cartridge linkage / single acting hand-operated direction valve and a gripper linkage / single acting hand-operated direction valve, the multiway valve unit comprises thrust cylinder valve leaves, hydraulic cartridge valve leaves, gripper valve leaves and hydraulic motor valve leaves.The invention adopts hydraulic linkage function, thus reducing auxiliary time of drilling machine operation, and leading the drilling machine operation to be more convenient. The drilling machine is compact in structure, light in weight and easy to transport in the pit.

The invention discloses a plate-type sludge dewatering machine and a dewatering method therefore. The plate-type sludge dewatering machine adopts elastomers positioned among pressing filter plates, adjacent anti-thrust filter plates, air-inlet filter plates, feeding filter plates and thrust filter plates to form at least three hermetic pressing filter chambers variable in volume, utilizes the compression deformation and resilience of the elastomers to deep squeeze and dewater a filter cake, and adopts sealing plugs which are arranged in front of air-inlet holes of the air-inlet filter plates and the thrust filter plates and are on positions opposite to feeding holes on the feeding filter plates and the anti-thrust filter plates, wherein the feeding filter plates are adjacent and involutory to the air-inlet filter plates. After low-pressure filter dewatering is over and feeding is stopped, the sealing plugs block and seal the feeding holes so as to prevent sludge from flowing back and entering pipelines during pressing filtration. The dewatering method adopts the variable hermetic pressing filter chambers formed by the elastomers to perform pressing filtration and dewatering, and adds the operation of adopting the sealing plugs to block the feeding holes before high-pressure squeezing-dewatering operation. The invention has the advantages of high dewatering efficiency, strong adaptability, low energy consumption, low use cost and the like.

The invention discloses an automatic combination processing production line of double-shaft drilling machines. The automatic combination processing production line of the double-shaft drilling machines comprises a plurality of double-shaft drilling machines, every two double-shaft drilling machines are connected through a transferring mechanism and a mechanical arm mechanism, a transverse feed mechanism is arranged on each double-shaft drilling machine, the mechanical arm mechanisms are connected with the transverse feed mechanisms, a vibrating type feed plate assembly is arranged on one side of the first double-shaft drilling machine, and a blanking mechanism is arranged on one side of the last double-shaft drilling machine. The production line is formed by conveying automatic feeding and blanking to the double-shaft drilling machines through a transferring mechanisms to carry out processing and combination in three different directions, multiple devices can be controlled by one person, and the automatic combination processing production line of the double-shaft drilling machines has the advantages of being high in producing rate, high in product quality, low in composite cost and the like, and is suitable for processing parts of multiple types on a large scale.

The invention discloses a radially-adjustable heavy-duty cutting layer milling cutter applicable to the field of heavy-type milling processing, and aims to solve the problems that during heavy-duty milling water chamber end enclosing, surfaces of workblanks are uneven, multi-defective and poor in machinability; cutting blades are prone to being damaged by impacts during rough machining or hogging machining; during milling, cutting depth changes frequently, which results in that not all cutter teeth are involved in cutting, utilization rate of the milling cutter is low, the cutting layer milling cutter of a fixed radial stepped structure is short in service life, machining efficiency is influenced and the like. Cutter teeth of the cutting layer milling cutter are designed in a stepped distribution, by means of increasing cutting depth, metal removal rate is increased, and machining efficiency is improved; by the aid of a radial adjusting mechanism, the cutting blades in an upper layer are enabled to move radially, a proper overhang amount can be selected, and strength of the cutting blades is enhanced. A radially-adjustable cutter pad is positioned by a pad block, auxiliary time including cutter amounting time, cutter adjusting time and the like is saved; up-warp chip holding grooves are formed in a cutter body in design, the depths of the positions, close to the cutting blades, of the chip holding grooves are far larger than that of the positions, distant from the cutting blades, of the chip holding grooves, up-warp slopes are formed in the chip holding grooves, and when cutting chips flow in the chip holding grooves, the chips can be separated from the cutter body quickly, friction between the chips and the cutter body is reduced, and service life of the cutter body is prolonged.

An automatic fixture for machining large parts of rail vehicles is characterized by comprising a sliding base, a multi-angle pressing mechanism, and a hydraulic drive system. The sliding base is connected with the multi-angle pressing mechanism. The hydraulic drive system controls telescoping of the sliding base and accordingly controls the multi-angle pressing mechanism to leave or get close to a work piece. Meanwhile, the hydraulic drive system also controls rotation angle of the multi-angle pressing mechanism, so that different work pieces are pressed. The universal sliding base, the multi-angle pressing mechanism, the hydraulic drive system and a PLC are under integrated control, the fixture for machining the different large parts such as sidewalls, floors, chassis, roofs and edge beams in aluminum alloy vehicle bodies is automatically clamped, machining assistance time for a numeric control machine tool is reduced, production efficiency is improved, and the automatic fixture can be highly universal and automated in the field of fixtures for manufacturing the large parts of rail vehicles.

The invention relates to a synchronous grinding device for the inner surface and the outer surface of a steel pipe end. The synchronous grinding device comprises an axial feed mechanism and a grinding mechanism driven by the axial feed mechanism to move in the axial direction. The synchronous grinding device is characterized in that the grinding mechanism is a synchronous grinding mechanism and comprises a grinding motor, an inner grinding component, an outer grinding component and a steel pipe rotating roller mechanism; the inner grinding component and the outer grinding component are driven by the grinding motor to rotate synchronously, and the grinding motor drives a grinding head of the inner grinding component and a grinding head of the outer grinding component to rotate; the steel pipe rotating roller mechanism drives chain transmission through a geared motor and drives a roller mechanism to make a steel pipe to rotate in the circumferential direction. According to the synchronous grinding device for the inner surface and the outer surface of the steel pipe end, as the scheme that grinding shafts arranged in two independent swing shaft seats are driven in a single-motor dual-drive mode to achieve synchronous grinding actions, the feed motion of the grinding heads is achieved by driving a nut and a lead screw through the geared motor, and circumferential rotation of the steel pipe is achieved by driving rollers is adopted, the inner surfaces and the outer surfaces of the steel pipe ends with different outer diameters and wall thicknesses can be ground synchronously, grinding quality is improved, labor efficiency is enhanced, auxiliary time is shortened, and production cost is lowered.

The invention provides a preparation method of a lamination battery cell. The preparation method of the lamination battery cell comprises the following steps: a lamination pile comprising n lamination groups is arranged, wherein each lamination group comprises m pole piece elements, n is more than or equal to 2, and m is more than or equal to 2, and gaskets are arranged between the adjacent lamination groups; the pole piece elements of all the lamination groups of the lamination pile and the gaskets between the adjacent lamination groups are sequentially positioned in a Z-shaped isolation membrane along the piling direction; each gasket separates the upper and lower parts of the adjacent isolation membranes; forming a lamination battery cell is formed, namely, the isolation membranes are disconnected at one end of each gasket, positioned in the isolation membranes, so that each gasket and each lamination group can be separated, and further, the lamination battery cell formed by the pole piece elements in each lamination group and corresponding isolation membrane can be obtained, wherein each lamination battery cell comprises an anode pole piece and a cathode pole piece, or a monomer battery cell, or a monomer battery cell, or the combination of the monomer battery cell and the anode pole piece and / or cathode pole piece, so that the efficiency of the lamination battery cell is improved greatly.

The invention discloses an industrial-robot-based abrasive belt grinding device for profiles of a controllable pitch propeller and a manufacturing method of the abrasive belt grinding device and mainly solves the problems caused in numerically-controlled machine tool type manufacturing, such as high cost, instability in machining precision and low efficiency due to manual grinding, occupational hazards of polishing and the like. The device mainly comprises a six-freedom-degree industrial robot, an abrasive belt grinding mechanism and a numerical control rotary table, wherein the abrasive belt grinding mechanism which is arranged in a triangular structure is connected with an end joint of the robot through a flange; a motor achieves high-speed rotation of an abrasive belt driving wheel through a synchronous belt; a pneumatic mode drives a tension wheel to achieve abrasive belt tension; a workblank of the controllable pitch propeller is installed and clamped in the center of the rotary table; and a servo motor drives an output gear of a reduction box to be meshed with a gear ring of a slewing bearing so as to achieve continuous 360-degree rotating and indexing. The abrasive belt grinding device is ingenious in structural design and high in grinding rigidity and universality, reduces the production cost greatly and has excellent practical and promotional values.

The invention provides a compound electrode machining method for improving the efficiency of electric spark machining of a turbine disc with a blade tip shroud. The method comprises the following steps: (a) rough machining of a blade channel, wherein an inlet area and an outlet area are machined from the left side and the right side of the turbine disc respectively in an electric spark machining mode through a left compound electrode and a right compound electrode till one-third machining allowance of the inlet area and one-third machining allowance of the outlet area are left; (b) semi-finish machining of the blade channel, wherein a channel laryngeal area is machined from the left side and the right side of the turbine disc in an electric spark semi-finish machining mode through a single left semi-finish machining electrode and a single right semi-finish machining electrode and are made in a through state; (c) finish machining of the blade channel, wherein the blade channel is machined in place from the left side and the right side of the turbine disc in an electric spark finish machining mode through a single left finish machining electrode and a single right finish machining electrode. According to the method, the electrodes can be quickly clamped and replaced, the auxiliary time is shortened, the machine tool utilization rate is increased, and secondary alignment is not needed during replacement.

The invention discloses a multifunctional rock mechanics experiment cutting machine. The multifunctional rock mechanics experiment cutting machine comprises a base, a guiding shaft, a cutting head fixing frame, a cutting head, a protection cover, a feeding part, a cutting head rotating part and a brake, wherein the protection cover is installed on the top of the base, a protection door is installed on the front part of the protection cover, a hole is formed in the back of the protection cover, and the cutting head rotating part comprises a cutting head rotating motor and a reduction gearbox; and a mounting supporting plate is installed on the top of a lifting supporting plate, a mounting supporting plate feeding motor drives the mounting supporting plate to move left and right, and the other end of the guiding shaft penetrates through a mounting hole of the lifting supporting plate to play a role in guiding. The multifunctional rock mechanics experiment cutting machine has the characteristics of convenience in operation, high cutting efficiency and safety in use, and can cut, perforate and grind the surface of sampled rock after being loaded in one time, so that the working efficiency is improved; and moreover, the broken rock can be prevented from flying out not to injure people by virtue of the protection cover, and the safety in application is improved. The multifunctional rock mechanics experiment cutting machine is suitable for market popularization and manufacturing.

The invention discloses a rectangular workpiece position and angle measurement method, and the method comprises the steps: 1), enabling a two-dimensional shape measurement sensor to make plane movement in an X-axis or Y-axis direction in a cutting range along with a laser cutting head, enabling the light of a sensor to vertically irradiate an edge part of a steel plate in a downward manner, enabling the light to form an inclined angle theta with the X-axis direction, and obtaining the contour of the edge of the steel plate; 2), obtaining the left and right edge position values of a rectangular piece material through the first measurement; 3), carrying out the translational scanning measurement of the long side of the rectangular piece material, carrying out the sampling of the position of the long edge of the rectangular piece material, and recording the coordinate position of a machine tool; 4), employing a long edge data ample and a two-point straight line method or a least square method for the fitting of a straight line, and calculating the deflection angle of the long side of the rectangular piece material and the X-axis; 5), comparing a left and right edge value and a theoretical left and right edge value, and deducing the X-axis and Y-axis offsets of the rectangular piece material; 6), enabling the obtained deflection angle and the X-axis and Y-axis offsets to be transmitted to a numerical control system for the compensation of a workpiece coordinate system; 7), enabling the numerical control system to start to laser cutting through employing the workpiece coordinate system after compensation.

A 3-roller tube rolling mill is composed of a base, a closed machine frame with hydraulic push-pull and locking unit and lubricating tube, a motor, three roller units, three roller drive and balance regulators an electric controller.

The invention discloses an automatic indexing right-angle milling head which is driven by a main motor and used for a numerical control plano-milling machine, which comprises a fixed milling shell and a movable milling shell, wherein the upper part of the movable milling shell is matched in the fixed milling shell in a sliding manner, a fastening mechanism is arranged on the axial positioning endsurfaces of the two, a spiral bevel gear is mounted in a shaft sleeve through a bearing seat, a spline transmission shaft matched with a spline hole of the spiral bevel gear is connected with a slidepillow main shaft of a numerical control machine tool, the fastening mechanism comprises an oil cylinder fixed in the positioning end surface of the fixed milling shell, a piston of the oil cylinder is connected with a bolt, and a bolt head is placed in an annular T-shaped groove formed on the positioning end surface of the movable milling shell; and indexing gears which are disengaged when the fastening lock is locked and meshed when the fastening mechanism is meshed are respectively arranged on the shaft sleeve or the bearing seat and the spline transmission shaft. By utilizing the automatic indexing right-angle milling head, the traditional manual indexing operation can be converted to the automatic indexing controlled by a numerical control system, the working intensity of operation staff can be reduced, the processing time of a workpiece can be saved, and the indexing precision and the processing stability can be further improved.

The invention provides an anti-plugging multifunctional surgical aspirator, which comprises a handle (1) and an aspiration washing head (2), and is characterized in that: a negative pressure passageway (3) and a washing passageway (4) are arranged in the aspiration washing head (2); the negative pressure passageway (3) is communicated with a negative pressure generating device through a negative pressure aspirating interface (5); the washing passageway (4) is communicated with the output end of a washing water inlet passageway (7) on the handle (1) through a washing passageway switchover interface (6); the washing passageway switchover interface (6) is rotatably arranged in one end, close to the handle (1), of the aspiration washing head (2); and a flow guide passageway (8) which is respectively communicated with the washing passageway (4) and the negative pressure passageway (3) by rotation so as to enter the normal washing procedure or dredge the negative pressure passageway (3). The anti-plugging multifunctional surgical aspirator can be used for washing, is capable of preventing plugging, has simple structure and is convenient to use.

The invention discloses a roadway repair machine integrating drilling, digging, transporting and loading, and applies to management and construction of floor heave and rib spalling of a coal mine roadway. The roadway repair machine mainly comprises an operating mechanism 1, a cab 2, a scraper blade transporter 3, an electrical system 4, a vehicle body assembly 5, a dust collection device 6, a hydraulic system 7 and a cable coiling device 8, wherein a digging bucket 19 and a breaking hammer 18 are mounted on the operating mechanism 1, so that the repair machine can perform breaking work while digging and loading, and the auxiliary time for previous manual replacement is saved; and an unloading chute is mounted at the tail of the scraper blade transporter 3, so that the repair machine can turn and transfer a material to a belt or a mine car, and the work efficiency is improved. The whole machine is high in construction efficiency, high in applicability and diverse in function, not only can be used for repairing floor heave and rib spalling of the coal mine roadway, but also can replace a backhoe loader to perform most engineer operation, and the labor intensity of a worker is small.

The invention discloses a movable work table comprising a machine seat, a linear guide pair, a work table, a linear rack, a driving mechanism and a first travel switch. The machine seat comprises two guide grooves which are arranged on two sides of the machine seat in the fore-and-aft direction and a rack groove which is arranged in the middle of the machine seat in the fore-and-aft direction. Two linear guide pairs are provided and each linear guide pair comprises a guide and all the sliding blocks contacting with the guide in a rolling manner. The work table comprises a driving table and a positioning table which are connected, and a first baffle block. The driving mechanism comprises a motor, a reducer and a gear box. The linear rack is arranged in the rack groove, and the output gear of the gear box is meshed with the linear rack. The movable work table arranges a positioning pin on the positioning table, and can precisely position a palletized fixture onto the positioning table by matching with a positioning hole at the bottom of the palletized fixture so that a three dimensional measuring device can be adopted to precisely measure the workpiece clamped by the palletized fixture.

The invention belongs to the technical field of robots, and relates to a forging mechanical arm clamping device capable of adapting to cylindrical workpieces with different outer diameter sizes. A clamping hydraulic cylinder is adopted to drive a piston rod of the clamping hydraulic cylinder to move in a reciprocating mode, the piston rod of the clamping hydraulic cylinder is driven by a left sideconnecting rod and a right side connecting rod and is used for converting the reciprocating movement of the piston rod of the clamping hydraulic cylinder into reciprocating swinging of a left clamping arm and a right clamping arm around fixing hinge points, and the workpiece is clamped and loosened through V-shaped clamping blocks arranged on the clamping arms; and the two sliding blocks in two long slotted holes are loosened, and when inner hexagonal screws are used for the two sliding blocks in the two long slotted holes, and the positions of the sliding blocks in slide ways of supporting plates can be changed by rotating crank shafts, so that the positions of the fixing hinge points of the left clamping arm and the right clamping arm are changed, and the cylindrical workpieces with different outer diameter sizes can be clamped. The forging mechanical arm clamping device is reliable in principle, simple in structure, convenient to operate, good in environmental adaptability, and safe and reliable, and can complete the clamping tasks of the workpieces with different outer diameters without replacing the clamping device.