39results about How to "Positioning is simple and reliable" patented technology

The invention relates to a double hobbing cutter rock hobbing comprehensive test bed, which relates to rock tunnel boring machine hobbing cutter experimental equipment. The double hobbing cutter rock hobbing comprehensive test bed comprises a hydraulic system, a worktable, cutters, cutter holders, guide rails, a test system, a control system and the like. The worktable is pulled by a hydraulic system to move quickly and a test piece drives the hobbing cutters to hob rocks, the position of the test bed in the direction vertical to the motion direction of the worktable is adjusted by a screw, and the pressure plates at two ends of the worktable lock the test piece. The cutter holders are connected with cutter hydraulic push / pull rods through connecting discs; seven steel-embedding sliding blocks on four sides are matched with the steel-embedding guide rails on a test bed body to absorb the impact exerted by lateral loads on the hydraulic push rods; the hydraulic system drives the entire cutter holders to enter penetration regulation and keep a hobbing pressure. The test bed is reasonable, simple and safe in structural design and high in bearing capacity and impact strength.

The invention belongs to the technical field of workpiece drilling and particularly relates to a double-set-fixture drilling machine convenient for workpiece storage and turnover. The double-set-fixture drilling machine comprises an operating platform, fixtures, a drilling mechanism and a workpiece storage mechanism, the operating platform comprises a left supporting component and a right supporting component, structures of the left supporting component and the right supporting component are symmetric left and right, the left supporting component comprises a baffle, the cross section of the baffle is in a U shape and the opening faces the right, the bottom surface of the baffle is horizontal and a front bent position and a rear bent position are fixedly provided with two support legs, themiddle front portion of the top surface of the baffle is in a horizontal shape and the middle rear portion is provided with a slope surface with the rear being low and the front being high from rear to front, an included angle between the slope surface and the horizontal bottom surface is 30-45 degrees, the top surface of the baffle is detachably provided with a sealing plate capable of sealing the top opening of the baffle, the middle front portions of the top surfaces of the left supporting component and the right supporting component are provided with a table surface plate, and the table surface plate is provided with two assembly holes.

The invention provides a filament tension control device for filament short-fiber composite spinning in spinning production, comprising a base rack which is crossed on a spinning frame cradle, wherein the base rack is provided with an upper tension roller, a movable tension roller and a positioning tension roller along the length direction; the three tension rollers are respectively combined with the base rack via screws and nuts at the tail parts; the movable tension roller is arranged in a curved penetration slot of the base rack, and the relative positions between the three rollers can be changed by adjusting the position of the movable tension roller in the curved penetration slot so as to change the warp angles of the filament to the three rollers. The filament tension control device is stable in tension of the filament and free of influence to the mechanical vibration and the workshop flying on the tension of the filament; and the adjustment of the filament tension is convenient and reliable and the use is convenient so that the produced filament short-fiber composite yarn is stable in structure and consistent in performance.

In such a method and system, firstly, at least an electrically conducting first connection to a first body area (3a) of the whole body of a living being is established and at least an electrically conducting second connection to a second body area (3b) of the whole body of the living being at a distance from the first body area (3a) and, secondly, a change takes place in the physical relation between at least one body part (1, 2) of the whole body and the whole body, which change in the physical relation causes a change to occur in the impedance value of a bioelectrical impedance, which bioelectrical impedance is present between the first body area (3a) and the second body area (3b) and, thirdly, a detection takes place of the change in the impedance value of said bioelectrical impedance, as a result of which occurrence of the change result information RI is obtained and, fourthly, the control signal (CTRS) is generated in dependence on the result information (RI).

The invention provides a clamping device for a thin plate workpiece with a hole. The clamping device comprises a base, wherein a fixing platform which is used for supporting the workpiece is arranged on the base. The clamping device further comprises an inner hole supporting structure and a clamping mechanism, wherein the inner hole supporting structure is used for passing through the workpiece middle hole, and the clamping mechanism is used for clamping the workpiece on the side. The workpiece is clamped by the clamping mechanism after the workpiece middle hole is fixed by the inner hole supporting structure, and therefore the deformation of the middle hole can be effectively avoided, the deformation in the clamping process of the workpiece is reduced, then the value of whole deformation resilience, generated after machining is accomplished, of the workpiece is reduced, and the machining accuracy is guaranteed. The workpiece is firmly positioned by the clamping device, machining of the surface and the surface structure can be accomplished through one-time clamping, the error caused by repeated positioning is avoided, operation is easy and reliable, the machining efficiency is high, and the machining quality of the workpiece is guaranteed.

The invention disclose a modular design closed cooling water tank device, and belongs to the technical field of deformed steel bar rolling equipment. The modular design closed cooling water tank device comprises an inlet water tank and an outlet water tank, wherein a plurality of intermediate water tanks are arranged between the inlet water tank and the outlet water tank, and the inlet water tank,the intermediate water tanks and the outlet water tank are sequentially connected through transition waterproof rings. The inlet water tank is arranged on an inlet water tank base, the intermediate water tanks are arranged on intermediate water tank bases, and the outlet water tank is arranged on an outlet water tank base. The invention further discloses a quick changing method of the modular design closed cooling water tank device. Each module of the modular design closed cooling water tank device can be changed independently. The water tanks can be disconnected from a water valve table. Because fixing pins and fixing wedges are used for positioning, connecting and fixing, positioning is simple and reliable, and disassembly is convenient to perform. Different combined modules can be usedaccording to process requirements, thereby facilitating equipment model selection. Meanwhile, a plurality of cooling devices can be selected from the various modules in the whole production line, andtherefore the reserve of spare parts and costs can be reduced.

The invention discloses a traditional Chinese medicine decoction piece direct cutting type medicine cutting machine and relates to the technical field of pharmacy. The medicine cutting machine comprises a conveying belt and a slicing machine arranged at the discharging end of the conveying belt. The slicing machine comprises a main body, an electric cylinder and an installing base. The electric cylinder is arranged on the main body. A telescopic rod of the electric cylinder is vertical downwards and is connected with the installing base. A main cutter base is fixedly connected to the bottom of the installing base. Multiple subsidiary cutter bases are symmetrically connected to the two sides of the main cutter base in a sliding manner side by side through sliding rods. Position changing devices for changing the distance between every two adjacent cutter bases and locating devices for fixing positions of the cutter bases are arranged between the main cutter base and the adjacent subsidiary cutter bases on the two sides as well as between every two adjacent subsidiary cutter bases. Blades are clamped into the main cutter base and the multiple subsidiary cutter bases correspondingly. According to the traditional Chinese medicine decoction piece direct cutting type medicine cutting machine, the distance between the blades on the cutter bases can be flexibly adjusted and fixed through the position changing devices and the locating devices, and the machine is applicable to cutting of medicinal materials with different length requirements, and is convenient and flexible to operate and high in universality.

The present invention relates to printing machinery, and is especially one kind of PLC automatic steel barrel screen process printer. On the frame, there are roller locator for locating the steel barrel to be printed, screen plate over the roller locator and fixed to screen plate stand on slipper track, ink scraper over the screen plate and driven via a cylinder, and PLC controller for the driving mechanism of the printer. The steel barrel to be printed is set on the roller locator and supported by the roller locator and located by the locating blocks simply and reliably. The steel barrel during printing can rotate with the transverse shift of the screen plate via the roller to ensure homogeneous printing, homogeneous stress and clear printed pattern.

The invention relates to a pressure relief valve for a packaging container (3), comprising a base body (4) with at least one through opening (9, 29), a sealing surface (14) and a peripheral region (18), wherein the peripheral region (18) may be sealably connected to an inner surface (3a) of the packaging container (3), the sealing surface (14) having an inwardly tapering form and a flexible membrane (6), in contact with the sealing surface (14) of the base body (4) to generate a sealing effect. The membrane (6) covers the through opening (9), a fluid (5) is arranged between the sealing surface (14) and the membrane (6), wherein a recess (10) is formed in the base body (4) to accommodate thee membrane (6). The recess (10) has a first diameter (D1), between 70 and 80% of a total diameter (D2) of the base body (4).

The invention relates to a high-pressure water descaling system. A descaling device comprises a descaling room, an upper surface descaling mechanism, an inner hole descaling mechanism, an outer surface descaling mechanism, a descaling car and a water return channel, wherein one side of the descaling room is provided with a descaling room door, and the bottom of the descaling room is provided witha pair of parallel steel rails; the upper surface descaling mechanism is arranged on the top of the descaling room close to the descaling room; the inner hole descaling mechanism is arranged on the top of the descaling room away from the descaling room door; the outer surface descaling mechanism is arranged in the descaling room opposite to the descaling room door; each surface descaling mechanism respectively comprises descaling spray heads connected respectively through hydraulic transmission; the descaling car is arranged on the parallel steel rails at the bottom of the descaling room and moved left and right between the descaling room door and the outer surface descaling mechanism along the steel rails; a rotating disk is fixedly arranged on the descaling car; and the water return channel is arranged on the lower part of the descaling room and connected with a water circulation pipeline. The system can simultaneously descale an inner surface, an outer surface and an upper surface,has good descaling effect, high speed and better social and economic values and is suitable for generalization and application.

The invention relates to a clutch slave cylinder for a hybrid vehicle. The clutch slave cylinder comprises an assisting cylinder body, an assisting cylinder piston is arranged in the assisting cylinder body, a piston rod capable of performing reciprocating motion along with the assisting cylinder piston is arranged on one side of the assisting cylinder piston close to a main cylinder body, and one end of the assisting cylinder piston away from the piston rod is connected with a clutch push rod. The clutch slave cylinder further comprises an electromagnet device for outputting linear thrust, the electromagnet device is provided with an output end consistent with the movement direction of the assisting cylinder piston, and the output end of the electromagnet device is in transmission connection with the piston rod or the clutch push rod. The magnetic field thrust generated by the electromagnet device is adopted to push the piston rod or the clutch push rod to move, hydraulic oil in the prior art is replaced by means of current, so that the clutch slave cylinder is simple in structure and convenient to control, and pollution caused by the adoption of the hydraulic oil in the prior art is reduced.

The invention relates to the field of car body assembling detection devices, and aims at providing a detection tool and a detection method for a jump and a gap between a back door and a back window of a white car body. The detection tool for the jump and the gap between the back door and the back window of the white car body comprises a base plate the bottom of which is provided with locating surfaces and at least one adsorption head, two locating pieces each of which is provided with a locating pin matched with a location hole positioned in a back quarter window frame, at least one surface difference gauge and at least one section gauge; and the two locating pieces are respectively positioned at the two sides of the rear end of the base plate and are fixedly connected with the base plate in a detachable manner. The detection tool for the jump and the gap between the back door and the back window of the white car body is simply and reliably, and is located by one surface and two pins, the detection tool for the jump and the gap between the back door and the back window of the white car body is high in detection precision and detection efficiency, and the detection method for the jump and the gap between the back door and the back window of the white car body is convenient to operate, and is stable and reliable.

The invention discloses an automatic drilling machine with double turntables and double drilling platforms. The automatic drilling machine comprises a working table, wherein two identical drilling platform mechanisms and two identical turntable mechanisms are arranged on the working table; the two drilling platform mechanisms are arranged in parallel at the rear part of the upper plane of the working table; the two turntable mechanisms are respectively positioned right in front of the two drilling platform mechanisms; the drilling platform mechanisms consist of drilling platform support bases, drilling platform vertical columns, drill bit rotating rods, drill bits, clamping heads, clamping head moving hydraulic cylinders, electromotors, clamping cylinders, drill bit moving cylinders, moving sleeves and the like; the turntable mechanisms consist of upper turntables, middle turntables, lower turntables, stepper motors, rotating columns, upper drill sleeves, lower drill sleeves and the like. The automatic drilling machine is capable of achieving full-automatic control, is simple to operate, free of artificial interference, high in automation degree, high in security, high in machining efficiency, reliable in quality, low in working intensity and low in manufacturing cost, and clamping and hole drilling operation of 24 blank workpieces can be completed at one time after the blank workpieces are loaded and a start button is pressed by an operator.

The invention relates to a pneumatic quick assembly and disassembly drill jig which comprises a jig body, a supporting base fixed to the jig body, a positioning support, a movable supporting rod and a drill jig plate, the positioning support and the movable supporting rod are arranged on the supporting base, a workpiece to be machined is placed on the top of the positioning support, and the movable supporting rod has the freedom degree of moving in the direction perpendicular to the supporting base. The drill plate is fixedly installed on the top of the movable supporting rod, and a drill plate guide hole right opposite to a workpiece is further machined in the drill plate. Compared with the prior art, workpieces are convenient to assemble and disassemble, the clamping quality is stable and efficient, and the positioning precision is high.

The invention provides a novel heat press machine with a reciprocating working platform specially used for combining waterproof zippers and fabrics. This new hot press machine includes a frame, a cold-press setting device and a hot-press bonding device connected to the frame through guide columns, and a workbench that moves relative to the frame, and the cold-press setting device and the hot-press bonding device The position corresponds to the corresponding station position of the workbench. A drive mechanism for driving its reciprocating motion is provided under the workbench. The drive mechanism is a piston drive mechanism, which is installed in the cabinet at the bottom of the frame and connected with the workbench. This new type of hot press adopts a reciprocating working platform, which occupies less space than a rotary working platform, and the working hours of the reciprocating movement of the working platform are high. In addition, the pressure contact plate at the bottom of the cold pressing and shaping device is equipped with multiple semiconductor cooling elements, making the cold pressing and shaping process simple and environmentally friendly, energy saving, low consumption, and rapid cooling.

The invention provides a clamping device for a thin plate workpiece with a hole. The clamping device comprises a base, wherein a fixing platform which is used for supporting the workpiece is arranged on the base. The clamping device further comprises an inner hole supporting structure and a clamping mechanism, wherein the inner hole supporting structure is used for passing through the workpiece middle hole, and the clamping mechanism is used for clamping the workpiece on the side. The workpiece is clamped by the clamping mechanism after the workpiece middle hole is fixed by the inner hole supporting structure, and therefore the deformation of the middle hole can be effectively avoided, the deformation in the clamping process of the workpiece is reduced, then the value of whole deformation resilience, generated after machining is accomplished, of the workpiece is reduced, and the machining accuracy is guaranteed. The workpiece is firmly positioned by the clamping device, machining of the surface and the surface structure can be accomplished through one-time clamping, the error caused by repeated positioning is avoided, operation is easy and reliable, the machining efficiency is high, and the machining quality of the workpiece is guaranteed.

The invention relates to a pressure relief valve for a packaging container (3), comprising a base body (4) with at least one through opening (9, 29), a sealing surface (14) and a peripheral region (18), wherein the peripheral region (18) may be sealably connected to an inner surface (3a) of the packaging container (3), the sealing surface (14) having an inwardly tapering form and a flexible membrane (6), in contact with the sealing surface (14) of the base body (4) to generate a sealing effect. The membrane (6) covers the through opening (9), a fluid (5) is arranged between the sealing surface (14) and the membrane (6), wherein a recess (10) is formed in the base body (4) to accommodate thee membrane (6). The recess (10) has a first diameter (D1), between 70 and 80% of a total diameter (D2) of the base body (4).