11 results about "High rail" patented technology

The utility model relates to a kind of integrated high rail slab tensioning device. Mainly to solve the tensioning efficiency of existing tensioning device low problem and design.It includes pedestal, front and rear moving slide rail on pedestal has front and rear moving slide block, the cylinder rod of first air cylinder on pedestal is connected with front and rear moving slide block;Front and rear moving beam with recess in middle is fixed on front and rear moving slide block.There is left and right moving slide rail on front and rear moving beam, and there is tensioning bottom plate on corresponding two left and right moving slide blocks, the gear on the output shaft of servo motor on tensioning bottom plate is engaged with rack on front and rear moving beam, tensioning bottom plate has brake and support, the cylinder rod end of tensioning oil cylinder on the top of support has sensor, sensor is connected with pneumatic gripper.Second air cylinder's cylinder rod on support is connected with driving motor mounting plate, driving motor is installed on driving motor mounting plate, and there is locking gear on the output shaft of driving motor.Advantage is to improve the tensioning efficiency of rail slab.

The invention discloses a steel rail grinding method based on irregularity development prediction, a grinding wagon and a grinding device. The method comprises the steps that irregularity actual measurement parameters of a target steel rail are obtained, and the excitation type of corrugation of the target steel rail is analyzed; according to the excitation type and the actually measured irregularity parameters of the target steel rail, a steel rail irregularity prediction model is established, and a development curve of the steel rail corrugation depth along with the throughput under different polishing residue irregularity characteristics is solved; the optimal polishing limit value and the target irregularity amplitude are solved in the development curve, and the optimal polishing period is determined; and solving the current polished amount of the target steel rail, and matching the optimal polishing scheme according to the optimal polishing period. The invention provides a passive grinding method, grinding wagon and device integrating irregularity detection and analysis, irregularity development prediction, target irregularity decision making and grinding scheme determination, and the problem that grinding target irregularity design is unreasonable is effectively solved. The service life of the steel rail is prolonged; and long-term maintenance of high smoothness of the track is effectively guaranteed.

The invention belongs to the technical field of electric power robots, and particularly relates to a rail transfer device of an electric power tunnel inspection robot and a working method.The rail transfer device comprises a main hanging bracket assembly arranged in an electric power tunnel, and the main hanging bracket assembly is provided with a vertical guide rail; the movable hanging rail assembly is movably connected to the main hanging frame assembly to bear and drive the robot to achieve rail transfer. The movable hanging rail assembly comprises a hanging rail connected to the bottom of the I-shaped hanging frame. The top of the I-shaped hanging bracket is connected with one end of a chain, and the other end of the chain penetrates through the driving assembly and then is connected with the counterweight assembly. A horizontal adjusting and positioning assembly is arranged on the fixed pull rod assembly connected with the I-shaped hanging bracket; a guide wheel of the horizontal adjusting and positioning assembly is clamped and fixed with the guide rail; adjustable wheel carrier assemblies are arranged at the four corners of the fixed pull rod assembly and abut against stand columns of the main hanging bracket assembly. The movable hanging rail assembly is driven to be in accurate butt joint with and separated from the high rail and the low rail, and high accuracy and high safety in the transferring process are guaranteed.

The utility model belongs to the technical field of rail components, and relates to a high rail lower base plate which comprises a rectangular plate body, a static rigidity adjusting structure is arranged on the rectangular plate body, and the static rigidity adjusting structure comprises a first adjusting groove, a second adjusting groove, a third adjusting groove and a fourth adjusting groove which penetrate through the rectangular plate body in the transverse direction. The middle sections of the first adjusting groove and the third adjusting groove bend outwards, the two ends of the first adjusting groove and the third adjusting groove are distributed in the transverse direction, the middle sections of the second adjusting groove and the fourth adjusting groove bend inwards, the two ends of the first adjusting groove and the two ends of the second adjusting groove converge into the same groove, and a first adjusting block is formed between the middle portions of the first adjusting groove and the second adjusting groove. The two ends of the third adjusting groove and the fourth adjusting groove converge into the same groove, a second adjusting block is formed between the middle portions of the third adjusting groove and the fourth adjusting groove, and the middle portions of the second adjusting groove and the third adjusting groove are connected into a whole. According to the high rail lower base plate provided by the utility model, the static rigidity of the rail lower base plate can be reduced and maintained in an optimal range.

The invention relates to the field of machine tools, in particular to a horizontal machining center and a high-low track modeling method.The horizontal machining center comprises a base, a stand column, a spindle box, a sliding saddle, a high track and a low track, the spindle box moves front and back relative to the sliding saddle, and the sliding saddle moves up and down relative to the stand column; any mass center point in the range formed in the whole moving process of a combination formed by the spindle box and the sliding saddle is perpendicular to the plane of the high track or the low track, the perpendicular bisector of the track line segment penetrates through the mass center range, the high-low track design mode enables the stand column to be stressed more evenly, and the machining stability of a machine tool is guaranteed.

The invention relates to a multistage continuous treatment type steel wire surface coating device for a high-speed rail sleeper and a method thereof, and belongs to the technical field of dynamic control in the continuous production process, the method comprises the following steps: S1, setting a controller, a dynamic overflow coating head, a multi-area infrared drying furnace, a main speed encoder, an outlet speed encoder and an outlet thermodetector, the main speed encoder is arranged on the inlet side, the dynamic overflow coating head and the multi-area infrared drying furnace are sequentially arranged, and the outlet speed encoder and the outlet thermodetector are arranged on the outlet side. When the controller detects that the reference speed of the inlet is changed, the pumping flow of the coating head can be immediately and reversely adjusted; the predictive adjustment can compensate the change of the residence time of the steel wire in the coating head, so that the steel wire can obtain the theoretical coating adhesion amount with uniform thickness in the dynamic speed regulation process of acceleration and deceleration of the steel wire.

The utility model provides a kind of steel bar initial tensioning transition structure for high turnout sleeper manufacturing, it is related to steel bar tensioning technical field;First, the one end of a steel bar laid in high turnout sleeper pouring model is successively threaded through the through hole on hammer and the perforation on circular tube, then the open end of circular tube is butt-jointed with single-hole anchorage device, after butt-joint, the front end of tensioning machine is threaded through steel bar and is close to top on circular tube in arc slot, after preparation, only need to hold hammer handle end with one hand and make hammer handle reciprocate in gap to make the hammer head of hammer repeatedly knock the clamping piece in single-hole anchorage device to avoid clamping piece being taken out, after tensioning and releasing the locking of the steel bar, again through hammer to knock deeply to make clamping piece completely enter anchorage device, and then subsequent release locking, tensioning force value meets the requirement, and tensioning effect is better, and tensioning force value imbalance phenomenon caused by original spring piece rebound rate slower does not appear.

The invention discloses a heat treatment device for metal workpieces, which comprises an annealing furnace, a tempering furnace and a quenching bath, a high rail is arranged between the annealing furnace and the tempering furnace, the middle part of the high rail is disconnected and is provided with a short rail, and the extension directions of the high rail and the short rail form an included angle; the quenching bath is arranged at the bottom of one end of the short rail, and the other end is connected with a wedge-shaped block in transition with the ground; the annealing furnace and the tempering furnace are oppositely arranged, the bottoms of the annealing furnace and the tempering furnace are open and are supported by a steel frame, and bosses are arranged at the open positions of the bottoms of the annealing furnace and the tempering furnace. By arranging the annealing area, the tempering area, the quenching and normalizing area, the transfer area and the feeding and discharging area, metal workpieces are transferred in all the areas through cooperation of the first transfer trolley and the second transfer trolley, so that the metal workpieces are transferred in the annealing furnace, the annealing furnace and the quenching pool, and various functions needed by heat treatment of the metal workpieces are achieved respectively or in a combined mode; and the requirement for heat treatment of metal workpieces is basically met.

The invention relates to the field of machine tools, in particular to a horizontal machining center and a high-low track modeling method.The horizontal machining center comprises a base, a stand column, a spindle box, a sliding saddle, a high track and a low track, the spindle box moves front and back relative to the sliding saddle, and the sliding saddle moves up and down relative to the stand column; any mass center point in the range formed in the whole moving process of a combination formed by the stand column, the spindle box and the sliding saddle is perpendicular to the plane of the high track or the low track, and meanwhile the vertical point from all the mass center points to the connecting line between the high track and the low track is located on the line segment between the high track and the low track. The vertical point from the mass center point of the combination body to the connecting line between the high rail and the low rail is located on the rail line segment between the high rail and the low rail, the stress of the stand column is more balanced through the high-low rail design mode, and the machining stability of a machine tool is guaranteed.

The invention discloses a railway track lifting device automatic control method and system based on a state feedback closed loop, and relates to the field of automatic control. The method depends on a controller and comprises the following steps: generating an operation target in combination with line parameters; track lifting oil cylinders on the two sides are driven to stretch out, and pre-tightening in place is confirmed through an oil pressure closed loop; the ultrahigh rail is locked, the reference rail oil cylinder is driven to stretch out, the actual rail lifting height is calculated in real time through the transverse angle fed back by the tilt angle sensor, and closed-loop control is conducted till the target rail lifting amount is achieved; follow-up control is performed by using a transverse superelevation value fed back by the tilt angle sensor until the transverse superelevation value is consistent with the target superelevation And finally, automatically resetting. According to the invention, a traditional stay wire sensor is canceled, and low-cost and high-reliability automatic control of track lifting operation is realized through a full-dip-angle data fusion algorithm.

The invention relates to the field of machine tools, in particular to a horizontal machining center and a high-low track modeling method.The horizontal machining center comprises a base, a stand column, a spindle box, a sliding saddle, a high track and a low track, the spindle box moves front and back relative to the sliding saddle, and the sliding saddle moves up and down relative to the stand column; any mass center point in the range formed in the whole moving process of a combination formed by the spindle box and the sliding saddle is perpendicular to the plane of the high rail or the low rail, and meanwhile the vertical point from all the mass center points to the connecting line between the high rail and the low rail is located on the line segment between the high rail and the low rail. The vertical point from the mass center point of the combination body to the connecting line between the high rail and the low rail is located on the rail line segment between the high rail and the low rail, the stress of the stand column is more balanced through the high-low rail design mode, and the machining stability of a machine tool is guaranteed.