197results about How to "Guaranteed interchangeability" patented technology

An apparatus for monitoring battery voltage and temperature includes a host controller and acquisition boards, and every acquisition board for the battery includes a voltage acquisition module, a temperature acquisition module, a host control chip MCU, A/D convertor module, an opto-isolator module, a CAN bus communication module and two external connection ports CN1, CN2. The input end of the AD transformation module is connected with the output end of the voltage acquisition module and the temperature acquisition module, and the output end of the A/D convertor module is connected with the opto-isolator module via a SPI bus, and the I/O port of the SPI bus module in the main control chip MCU is connected with the opto-couple isolation module, and the host control chip MCU is connected with the CAN bus communication module of the host controller via the CAN bus communication module, and the acquisition boards are connected via a socket piece in turn. The present invention is simple in structure, convenient in operation, high in data precision and high in the consistency and interchangeability of each acquisition board. Furthermore, the present invention utilizes opto-isolator module to isolate the high-voltage battery with the host controller circuit, so as to avoid the problem of common mode interference.

The invention relates to an electric locomotive roof assembly and welding tool, which comprises an integral frame, a gantry and a cylinder, wherein the integral frame consists of a reinforcing ribbed plate, a main beam, an edge beam, a bottom plate and a side wall board; the side wall board and the bottom plate form an inclination angle; a sliding track for mounting the gantry is arranged outside the side wall board; the gantry is provided with a movable cylinder fixing frame and is used for eliminating welding gap between an aluminum plate and the frame to guarantee welding quality; and the effect of reducing welding deformation is reduced by forming rigid fixing force for the aluminum plate and the frame. Side wall pressing cantilevers are uniformly distributed outside the edge beam; and the reinforcing ribbed plate is provided with a positioner connecting pipe. The interference between a product and the tool is eliminated in a movable pressing and fixed pressing combined mode, so that all products can be welded on the tool at one time. The working efficiency is increased. All positioning devices are used for quick and accurate positioning. The stability of the tool is effectively guaranteed, and the product quality requirements are met.

The invention discloses an adsorption jig with a built-in vacuum generator; the adsorption jig comprises a tooling plate, the vacuum generator, a fast connector, a shunt block, first air pipes, L-shaped connectors, hardware and suckers; the vacuum generator is connected with an external air source with stable pressure through the fast connector which is connected with the vacuum generator, and is communicated with the shunt block; at least two first air pipes are connected onto the shunt block; the port of each first air pipe is connected with the L-shaped connector; through holes are arranged in the tooling plate; one end of each through hole is provided with the L-shaped connector and is connected with the shunt block through the first air pipe, and the other end of each through hole is provided with the hardware; the suckers in the same number with the first air pipes are assembled on the hardware; the surface of the tooling plate is provided with a positioning side and at least two positioning columns; the built-in vacuum generator replaces an external vacuum pump to work; and the vacuum generator has a small size and a simple structure, and is low in cost, can be arranged in the tooling plate only by leaving a smaller space in the internal structure of the tooling plate to form a complete integral design, so that not only is the performance excellent but also the appearance is attractive and generous.

The invention discloses a low-noise device for a centrifugal compressor of a turbocharger, aiming at overcoming the defect of serious airflow turbulence after an air guide wheel air incoming re-circulating structure is adopted by a turbocharger with the lowest cost so as to lower noise and improve the efficiency of the compressor. The low-noise device has the following technical scheme that based on the prior art, a space is formed between a shell 4 of an air compressor and an air guide sleeve 3, and a flow guide cover 15 is arranged in the low-noise device so as to form secondary air inlet passages 7 and 14; and arc flow guide treatment is carried out at the turning of the channel of related parts, and the air guide sleeve 3 is provided with 3 grooves or 3-20 circular holes at the radial circumference corresponding to an impeller 1 of the air compressor. The low-noise device can be widely applied to compressors to lower the noise and has wide application prospect.

The invention discloses a welding tool capable of ascending, descending and being overturned. The welding tool is characterized by comprising a base, supporting frames, lifting devices used for ascending and descending of a welding support, rotation devices used for rotating the welding support, and the welding support; the supporting frames are arranged at the two ends of the base, the lifting devices are arranged at the bottoms of the supporting frames, the rotation devices are arranged on the tops of the supporting frames, and the welding support is arranged on the rotation devices. Through the arrangement of the lifting devices and the rotation devices, ascending, descending and rotating can be achieved, and welding lines of different angles can be conveniently welded; the welding tool capable of ascending, descending and being overturned is adopted, accurate relative positions of various aluminum alloy profiles during assembling positioned welding can be guaranteed, meanwhile, welding deformation of workpieces can be prevented or reduced, the welding quality is stabilized, the welding size deviation is reduced, and product interchangeability is guaranteed.

The present invention relates to driller design scheme for petroleum and gas well, and is especially one new design scheme of composite driving driller with reliable performance, compact and flexible structure and low cost. The driller platform includes winch, diesel engine, linking machine, valve assembly, clutch, hydraulic coupler, turntable, driving mechanism, drilling bit, control table, pressure converter, signal transducer, electric pressure gauge, etc. It features the turntable driven with frequency variable motor, the driving mechanism with frequency variable motor connected through the turntable box with the turntable, the drilling bit inside the turntable, the winch driven with a diesel engine, the connection of the winch with the automatic drilling bit feeding mechanism via a gear switching mechanism, etc. The present invention has reliable performance, simple first, flexible control and high interchangeability.

Said invention belongs to welding equipment, especially automatization welding equipment suitable for PWB printed wiring board in surface mounting technology (SMT). It contains an electromagnetic pump type single/double wave crest generator consisting of single side type linear motor primary stator core and winding, magnetism shielding plate, liquid metal container, pump mouth etc, wherein said liquid metal container is T-type structure, longitudinal part of T-type structure having plurality of symmetric longitudinal channel whose one end communicated with pump mouth, another end communicated with container, both sides of liquid metal longitudinal part having two linear motor stator core with winding, electromagnetic pump having two pump mouth, respectively connected with two symmetric pump channels, channel mouth size is less than size of channel body and adopting magnetic wedge fixing winding. Said technology forms electromagnetic pump type single/double wave crest generator with smoothness reliable wave crest.

The invention discloses a hand-cranking type welding positioner for welding a large rack. The hand-cranking type welding positioner comprises a foundation, a hand-cranking device, a driving device, a front end supporting seat device, a work platform device and a back end supporting seat device, wherein the hand-cranking device, the driving device, the front end supporting seat device, the work platform device and the back supporting seat device are fixed on the foundation; the hand-cranking device comprises a rotating disc, a driving shaft, a driving gear, a hand-cranking device bearing and a hand-cranking handle; the driving device comprises a driven gear, a driving screw, a driving nut, a gear rack, a driving device bearing and an end cover; the front end supporting seat device comprises a big gear, a front end supporting bearing, a driving shaft, a front end cover, a back end cover and a front supporting seat flange plate; and the work platform device comprises a flange plate and a platform welding structure body. The hand-cranking type welding positioner for welding the large rack is simple and practical, is convenient to operate and adjust, is driven by hand-cranking, can freely rotate in the range of minus 90 degrees to 90 degrees and can be self-locked; and with the adoption of the hand-cranking type welding positioner, the welding size precision of the rack is guaranteed, and the interchangeability can be guaranteed; and the depending degree to the technical level of a welding operator is reduced, and requirement functions are achieved with low cost.

The invention provides a rear power takeoff system which comprises a bent axle (1), a bent axle gear (2), an engine body (3), a flywheel shell (4), a flywheel binding head (5), a rear power takeoff bent axle gear (6), a rear power takeoff intermediate gear (7), a rear power takeoff output gear (8), a front box body (9) of a gear chamber, a rear box body (10) of the gear chamber and a rear power takeoff output flange plate (11), wherein the flywheel binding head (5) is arranged on the bent axle (1); the rear power takeoff bent axle gear (6) is arranged on the bent axle (1); the rear power takeoff intermediate gear (7) is arranged on the engine body (3) and is meshed with the rear power takeoff bent axle gear (6); the rear power takeoff output gear (8) is meshed with the rear power takeoff intermediate gear (7); the front box body (9) of a gear chamber is connected with the engine body; the rear box body (10) of the gear chamber is connected with the flywheel shell (4) and covers the rear power takeoff intermediate gear (7) and the rear power takeoff output gear (8); and the rear power takeoff output flange plate (11) is arranged on the rear box body (10) of the gear chamber. The rear power takeoff system provided by the invention has very small change on the original structure of the diesel engine, and transformation cost is low. The invention also provides a diesel engine withthe above rear power takeoff system.

A glass rib unit type glass curtain wall comprises a unit frame and a panel glass. A principal vertical support is supported between the upper and the lower frames of the unit frame. The principal vertical support is connected with the auxiliary vertical support, and the glass rib is fixed in the auxiliary vertical support. The method for preparing the curtain wall comprises the following steps: baiting, manufacturing the sectional material, assembling the frame, installing the glass rib vertical support and auxiliary support, installing the panel glass and installing the glass rib. The invention provides a technique of the unit type glass curtain wall which is provided with a glass rib.

The invention relates to a multi-stage screening machine for aquatic products. The machine comprises a frame (1), a power transmission device (2) and a rolling cage barrel (3), wherein the rolling cage barrel (3) comprises a plurality of cylindrical rollers which are sleeved with one another; each layer of roller comprises a front barrel ring (301), a rear barrel ring (306), more than one middle barrel ring (304), and a grid (303) for connecting the front barrel ring (301), the rear barrel ring (306) and the more than one middle barrel ring (304); the peripheries of the front barrel ring (301), the rear barrel ring (306) and the more than one middle barrel ring (304) are provided with a plurality of staggered adjusting holes (305); and the two ends of the grid (303) are selectively connected with two corresponding adjusting holes (305) in each group of adjusting holes (305) to form different intervals, so that the requirement of screening various aquatic products is met.

The invention provides an external storing device and its housing. The external storing device can improve the interchangeability of small-size external storing devices. A first and a second housings are provided with storage media and one ends of the first and the second housings are provided wiring substrates of a connector for external connection. A first threaded hole for installing the external storing device is disposed at a plurality of parts of the surface of the first housing with respect to the wiring substrate. The second housing is provided with wall parts which respectively protrude towards the internal second housing at the plurality of positions corresponding to the first threaded hole of the first housing, thereby entering space of a threaded component fastened in the first threaded hole is ensured. Hook-shaped components, disposed at at least parts of the plurality of wall parts and at the inner side surface of the second housing are used for clamping the wiring substrate between the hook-shaped components and a supporting component supporting the wiring substrate from the lower side.

The invention discloses an anti-tilting dual protection device of a hanging basket. The anti-tilting dual protection device of the hanging basket is provided with two sets of rope clamping mechanisms,and a safety rope and a working rope penetrate the rope clamping mechanisms correspondingly. A swing arm mechanism is in transmission connection with the two rope clamping mechanisms at the same time. When the anti-tilting dual protection device moves, the swing arm mechanism simultaneously triggers the two rope clamping mechanisms, and the two rope clamping mechanisms synchronously move to clampthe ropes penetrating the rope clamping mechanisms. During running, when protection of any one set of rope locking device loses efficacy, including that a safety lock loses efficacy or a steel wire rope is broken, the protection of the other set of rope locking device is still effective, and the anti-tilting reliability of the hanging basket is greatly improved. An arranged guide wheel and the swing arm mechanism are coaxial, constraint is formed on the horizontal shifting of the working rope, the tilting rotating center of a suspended platform coincides with the rotating center of the swingarm mechanism, and the effects of external factors on the rope locking angle of the safety lock are eliminated. The anti-tilting dual protection device of the hanging basket has the remarkable advantages of being high in rope locking precision, simple in structure, reliable in action and low in cost and is suitable for being widely applied in the double-hanging point hanging basket.

A tower crane standard section rotating tool is characterized by comprising a base frame (1) and a rotating mechanism (2). The rotating mechanism is rotationally connected with the base frame (1) via a long shaft (3) and a short shaft (4) respectively at two ends of the rotating mechanism, and is formed by two end wall plates (5) and connecting columns (6) connected at four corners of the two end wall plates. One of the end wall plates is provided with a fixed main rotating rod positioning shaft (7), the other end wall plate is correspondingly provided with a flexibly positioned main rotating rod tight-propping mechanism (8), and both the end wall plates are provided with support block positioning backup plates. During splicing standard sections by the tower crane standard section rotating tool, on one hand, the tight-propping mechanism is utilized to position and mount a main rotating rod so as to guarantee accuracy and perpendicularity of diagonal lines of the standard sections to the maximum extent; and on the other hand, positioning and welding of supporting blocks can be realized better. Due to improvement of processing accuracy, interchangeability of the standard sections is guaranteed.

The invention relates to a plane layout used for replacing large planes, a preparation method thereof and an SPECT/CT (single photon emission computed tomography/computed tomography) dual-mode biological imaging system using the plane layout as a rotating platform. The plane layout comprises a central datum part and a plurality of cantilevers respectively installed on the central datum part, wherein the central datum part and the cantilevers are respectively provided with installing fitting surfaces fit with each other; a working plane is arranged in front of each cantilever; and the working planes are arranged in a same plane or are respectively arranged in a plurality of planes parallel with each other. The plane layout has extremely high precision, the end face runout of the plane layout with meter-scale radial dimension can not exceed +/-0.002mm and the plane layout has simple production cost, low cost, light weight, high reliability and strong universality, moves stably and is easy to control in start and stop. The corresponding SPECT/CT dual-mode biological imaging system has higher geometric precision, imaging precision and imaging definition.

The invention relates to a machining detection process for a part. The process comprises the following steps of: 1, blanking; 2, determining a dimension chain of the part; 3, roughly turning the material blanked by the step 1 according to the dimension chain of the part, which is determined in the step 2; 4, performing thermal treatment on the roughly-turned material; 5, accurately grinding the dimension chain of the part, which is determined in the step 2; and 6, electroplating a product obtained in the step 5. According to the machining detection process for the part, the qualified rate of the product is high, the machining accuracy is high, and process steps are rational.

The invention relates to a diesel engine high-pressure fuel control booster pump. The diesel engine high-pressure fuel control booster pump comprises a shell and is characterized by further comprisinga pressurizing coupling part, an electromagnetic valve assembly and a pressure relief assembly; the pressurization coupling part comprises a booster pump body, a pressurization plunger and a spring;a pressurization plunger cavity and a pressurization cavity which are mutually independent are formed between the pressurization plunger and the booster pump body, and the spring is positioned in thepressurization cavity; a pressure relief passage communicated with the pressurization plunger cavity and an oil return passage communicated with the outside of the booster pump body are arranged in the booster pump body; and the pressure relief passage is in communication with the oil return passage through the electromagnetic valve assembly through controlling the pressure relief assembly, and the pressurization plunger drives the pressurization cavity to realize fuel pressurization due to pressure differential motion. According to the diesel engine high-pressure fuel control booster pump, the fuel pressurization time and the frequency can be accurately controlled, the fuel injection laws of all the working conditions of the diesel engine can be matched, the fuel can be fully combusted, and the pollution can be reduced; the diesel engine high-pressure fuel control booster pump can be suitable for various high-pressure fuel systems with different supercharging ratios, and is compact instructure, good in reliability, flexible in control, fast in response and convenient and rapid to install.

The invention provides a gear shaft back-up bearing cover rotary alignment structure and an alignment method. The alignment structure is characterized in that a bush I and a bush II are pressed into bottom holes of a gear case and a bearing cover in an interference manner, shafts at the two ends of a gear are installed in inner holes of the bush I and the bush II, a spline housing matched with thegear is arranged in the gear, and the other end of the spline housing is matched with a cam shaft; and the bearing cover is assembled to a gear case cover, and the gear case cover is assembled on thegear case. By means of the structure and the method, the structure design of concentricity of the rotating inner holes of the two bushes is guaranteed through assembling; the machining process is greatly simplified, and the part universality and interchangeability are guaranteed.

The invention discloses a device and a method of a main shaft flange end connecting hole machining in a water pump. The device comprises a template (1), a plurality of positioning holes are uniformlydistributed in the upper edge of the template (1), boring sleeves (2) are arranged in the positioning holes, and bolts (3) and or screw rods which nuts (7) and gaskets (6) are arranged at the two endsof the screw rods are arranged in the positioning holes; and a plurality of screw holes are uniformly distributed in the parts, located in the inner sides of the positioning holes, of the template (1), and connecting screws (4) are arranged in the screw holes. The device and the method of the main shaft flange end connecting hole machining in the water pump have the advantages of being simple instructure, convenient to operate, low in cost and reliable in use; the quality and exchange performance of main shaft flange products machined by different manufacturers and different machine tools can be guaranteed by adopting the device and the method, so that the consistency of the products is controlled; and meanwhile, the machining time and the machining cost are greatly reduced.

To provide a magnetic head group, a magnetic recording medium processing device and a magnetic head-holding frame in which the magnetic head installation can be done easily and, at the same time, maintenance cost can be reduced. The magnetic recording medium processing device comprises frames 13a and 13b, which forms transfer route 12 to transfer magnetic recording medium 8 of the card type such as a credit card, prepaid card, cash card, or the like; and magnetic head group 80 which undertakes reading/writing of magnetic data on the magnetic recording medium. Magnetic head group 80 is fixed to a given position in the magnetic recording medium processing device at a given angle of inclination by attaching frame 60 of magnetic head group 80 to fitting part-side frame 13a. Magnetic head group 80 is equipped with first magnetic heads 22a and 22b that reads/writes magnetic data; head brackets 62 and 64 which fix first magnetic heads 22a and 22b and hold so as to move them freely in the direction perpendicular to magnetic stripe surface 6 of magnetic recording medium 8; magnetic head-holding frame 60 that holds head bracket 62 and 64 and, at the same time, installs magnetic head group 80 in a given position inside magnetic recording medium processing device 10 so as to form a given angle of inclination; and flexible print circuit board 50 which has head identification part 51 for identifying the type of first magnetic heads 22a and 22b, and is electrically connected to first magnetic heads 22a and 22b.