37results about How to "Short assist time" patented technology

The invention discloses a tire steel cord fabric take-up device which comprises a centering mechanism, a driving mechanism and a travelling mechanism, wherein the travelling mechanism comprises a transport trolley, a lining fabric roll support, a take-up roller and a guide rack; the take-up roller is rotationally connected with the transport trolley; the lining fabric roll support and the guide rack are fixed on the transport trolley; the driving mechanism is in transmission connection with the take-up roller; the centering mechanism comprises a cord fabric centering transport rack, a rectification module and a transverse moving module; the rectification module comprises a main cylinder, a support, a rectification roller and a driver for driving the rectification roller to swing; the transverse moving module comprises guide rails and a moving platform; the moving platform is connected with the guide rails in a sliding way; the cord fabric centering transport rack and the rectification module are mounted on the moving platform. Through the tire steel cord fabric take-up device, the transportation, loading and unloading processes of steel cord fabric are simplified, the labor intensity of workers is reduced, and the working efficiency is improved.

The invention relates to a ventilating system arranged in U+H shape under the coal mine, in particular to a ventilating systems arranged in U+H shape under the high methane coal mine, aiming at solving the problem of the ventilating system in the process of stoping the face of the coal mine. The ventilating system comprises a stoping face. One side of the stoping face is provided with a belt conveying and air intaking way and an auxiliary conveying and air intaking way in sequence, and the other side is provided with an auxiliary conveying and air intaking way, a first air returning way and asecond air returning way in sequence. The belt conveying and air intaking way and the two auxiliary conveying and air intaking ways intake air and return air after being communicated with the first air returning way and the second air returning way through a channel arranged in front of the stoping face. Therefore, the ventilating system which is arranged in U+H shape and intakes air for three times and returns air for two times is formed.

The invention discloses a medium-speed diesel engine frame transmission gear hole system machining method. The method comprises the following steps that (1) the bottom face of a diesel engine frame ismade to face upwards, and all gears of main bearing holes are machined through a first special accessory; (2) the top face of the diesel engine frame is made to face upwards, and all gears of oil injection camshaft holes are machined through a second special accessory; (3) all gears of air exhaust cam shaft holes are machined through the second special accessory; (4) actual position coordinates of the oil injection camshaft holes and the air exhaust cam shaft holes are found through a third special accessory, the coordinate value of a transition gear is worked out, and a transition gear holeis machined through the third special accessory; and (5) the transition gear hole and the main bearing holes serve as the criterion, the coordinate value of an intermediate gear hole is worked out, and the intermediate gear hole is machined through the third special accessory. According to the medium-speed diesel engine frame transmission gear hole system machining method, the auxiliary time is short, the working efficiency is high, the labor intensity is low, in addition, the accumulative error of clamping and aligning is small, the machining error is small, the positioning dimension precision between the holes is ensured, and accordingly, the product machining quality is ensured.

The invention discloses a method and device for installing and correcting a grinder linear rolling guide rail. The device comprises a pressing cylinder and a standard cylinder. The pressing cylinder and the standard cylinder are arranged on a left grinding wheel spindle and a right grinding wheel spindle of a grinder respectively. A locating block of the standard cylinder abuts against the standard side face of the guide rail, a roller of the pressing cylinder on the other side tightly presses the other side face of the guide rail, a workpiece correcting device is moved, if certain deviation of the installing direction of the linear guide rail exists, the guide rail can be slightly moved to correct installation errors in the moving process, after the first time of moving and attraction force of a magnetic work table is increased, the second time of moving is executed to further correct the position of a workpiece, and therefore the standard side face of the linear guide rail is parallel to the longitudinal moving direction of the work table. The correcting device is used for correcting the standard side face of the linear guide rail to be parallel to the longitudinal moving direction of the work table, and the device has the advantages of being simple in operation, short in auxiliary time, high in correction precision, and the like.

The invention discloses a construction method and structure for a vertical shaft. The vertical shaft construction method comprises the steps of digging a draw shaft horizontally from a bottom roadway or a bottom underground chamber to the earth surface or above, wherein the draw shaft has multiple fold line segments and the whole body of the draw shaft moves upward along the center line of the vertical shaft; according to the stabilization and fixation condition of surrounding rocks, conducting segment blast on the draw shaft. According to the construction method and structure for the vertical shaft, the complexity of the construction process of the vertical shaft can be reduced, the construction of the vertical shaft is more simple and convenient, and the construction cost of the vertical shaft is reduced.

The invention relates to a vertical double-sided milling machine of a gantry, which comprises a gantry frame (1) and a milling machine body (4) which is fixed on the gantry frame (1), wherein an upper milling mechanism (7) and a lower milling mechanism (8) for milling workpieces are arranged above and below the milling machine body (4) respectively; the milling machine body (4) is also provided with a work bench (902) which is used for machining the workpieces and can be driven by a work bench drive mechanism (9) on the gantry frame (1) to move forwards and backwards in a reciprocating manner; the gantry frame (1) is also provided with an upper milling drive mechanism capable of driving the upper milling mechanism (7), an upper milling support mechanism for supporting the upper milling drive mechanism, a lower milling drive mechanism capable of driving the lower milling mechanism (8), and a lower milling support mechanism for supporting the lower milling drive mechanism. The vertical double-sided milling machine for the gantry has the advantages that: two large surfaces of a large panel can be machined simultaneously; each surface is milled by three milling cutters, so that one surface can be milled at a time; and the vertical double-sided milling machine of the gantry is high in efficiency.

The invention discloses an armored cable type electromagnetic impact rotary drilling tool for polar subglacial bedrock, which includes a cuttings chamber, a water pump, a driving motor, an electromagnetic impact system, an outer pipe of the drilling tool and a drill bit, wherein the cuttings chamber is assembled on On the upper part of the water pump, the liquid outlet of the cuttings chamber is set corresponding to the liquid inlet of the water pump. The driving motor is arranged at the lower part of the water pump. The bottom is connected with the electromagnetic impact system, and the electromagnetic impact system is driven by the hollow shaft to work. Both the hollow shaft and the electromagnetic impact system are assembled in the inner cavity of the outer tube of the drilling tool, and the hollow shaft and the outer tube of the drilling tool are connected through a reducer , the bottom of the outer tube of the drilling tool is connected to the drill bit, beneficial effects: the electromagnetic impact system is added, which effectively makes up for the shortcomings of the traditional armored cable-type electric mechanical drilling tool that cannot drill into the rock formation due to insufficient drilling pressure and torque, and reduces the risk of broken rock difficulty.

The invention discloses a coal mine underground autonomous mobile platform capable of realizing remote interaction and a method thereof, including a car body platform, a slewing support, a transmission device, a main power box, an auxiliary power box, a walking drive device, an intelligent control system, a detection device, and a detection device Obtain multi-source information data such as coal mine roadway environment images, obstacle information, and platform operating parameters, and transmit them to the intelligent control system. The intelligent control system performs calculation and analysis based on the obtained information, and independently decides to select the appropriate operating mode and optimize the working path or operator. Carry out long-distance interactive control, and transmit the precise position, operation mode and optimized path of the autonomous mobile platform to the walking drive device. The invention has high operating efficiency, wide adaptability to construction equipment, remote interaction or independent decision-making control, high-precision autonomous navigation of the platform, unmanned transportation process, short auxiliary time, and can replace manual work to complete the autonomous obstacle-avoiding movement of construction equipment and materials and long-distance transportation.

The invention relates to a faceplate-type tool used for motor base fine turning. The faceplate-type tool used for motor base fine turning comprises a machine head connecting disk and a cutter bar installed on a cutter post. The outer side of the machine head connecting disk is provided with a locating plate parallel to the machine head connecting disk. A plurality of uniformly distributed connecting pillars are arranged between the machine head connecting disk and the locating plate, and the other side of the locating plate is provided with a faceplate pressing plate parallel to the locating plate. The locating plate and the faceplate pressing plate are connected with each other through a plurality of uniformly distributed faceplate connecting bars. The middle of the locating plate and the middle of the faceplate pressing plate are both provided with coaxial locating through holes. Two cutter grooves are formed in the front end of the cutter bar. An inner hole cutter and a plane cutter are installed in the cutter grooves respectively. A plurality of cutter grooves are formed in the rear end of the cutter bar, and a plane cutter is installed in one of the cutter grooves. Compared with the background technology, the faceplate-type tool used for motor base fine turning is adopted, so that the operation of two times of clamping is changed into the operation of one time of clamping and one time of turning without the need for turning round a clamping workpiece or changing the cutter or transforming processes. The coaxiality and end face parallelism degree of a motor base are assured effectively; auxiliary time is shortened effectively, and machining efficiency and benefit are improved greatly.