154 results about "Headframe" patented technology

The invention discloses a forklift frame welding tool which comprises a bottom plate (1), a headstock positioner (2) is fixedly arranged on the bottom plate (1), a front axle support holding mechanism (3) and a front transverse plate positioning and clamping mechanism (6) are installed on the headstock positioner (2), a tailstock positioner (4) is movably installed on the bottom plate (1), and a transition tool holding mechanism (5) is arranged on the tailstock positioner (4). The device further comprises a local transition tool (7), and the local transition tool (7) is installed on a tailstock vertical plate (83) on a forklift frame (8). The device can be compatible with frames of different models, has the advantages of being high in adjusting speed and positioning precision, and can effectively improve the production efficiency.

The utility model relates to a full-automatic floating chuck suitable for a locomotive axle and an end face cylindrical grinding machine. The floating chuck adopts a rotary oil cylinder of a hollow structure and is provided with a plurality of piston rods, the piston rods are distributed at equal intervals, a hollow rotating disc is arranged on the front side of the oil cylinder, the front end of each piston rod is flexibly connected with the rotating disc, a plurality of eccentric grooves are formed in the inner circle face of the rotating disc, and balls and thrust springs located on the circumferential rear sides of the balls are arranged in the eccentric grooves. The depth of the groove bottom of the eccentric groove located in the moving range of the balls is gradually reduced from back to front. A grinding machine headstock and a grinding machine tailstock of the grinding machine adopt the floating chuck and are provided with live centers. The floating chuck can effectively avoid hindering feeding and discharging of a mechanical arm, effectively avoid hindering grinding of the end face of a workpiece, effectively avoid hindering jumping of the center of the workpiece and effectively avoid scratching the surface of the workpiece, and is better suitable for machining of the outer circle of the end face of the workpiece such as a locomotive axle.

The invention discloses a lead screw nut internal thread grinding machine which comprises a machine body, a fixed workbench is arranged on the front side of the machine body, a headstock is fixedly installed on the left side of the workbench, a movable center frame is arranged on the right side of the workbench, and a chuck used for clamping a workpiece is installed at one end of the headstock; a movable double-coordinate workbench is arranged on the rear side of the machine tool body, a movable grinding wheel frame is installed on one side of the double-coordinate workbench, a grinding wheel dresser is installed on the other side of the double-coordinate workbench, a telescopic rotating grinding wheel grinding device is installed at the front end of the grinding wheel frame, and a grinding wheel transmission device is connected to the grinding wheel grinding device. The machine tool body is of a rectangular structure and is of a grinding carriage moving type structure, and compared with a traditional workbench moving type T-shaped structure machine tool, the machine tool has the advantages of being high in structural rigidity, high in dynamic response speed, good in heat stability, high in machining precision, small in occupied area and the like.

The utility model relates to the technical field of bending machines, in particular to copper-clad steel bending equipment which comprises a rack, a rotary driving assembly, a sliding frame, a lifting driving assembly and an angle measuring assembly. A headstock is arranged on the machine frame and coaxially connected with a rotating shaft, and the rotating shaft is connected with a connecting rod which is rotationally connected with a supporting roller. The rotary driving assembly is connected with the headstock and the rotating shaft, so that the supporting point of the supporting roller and the supporting point of the headstock are kept at the same height through the rotary driving assembly when the equipment is vacant; the sliding frame is located above the head frame and is in sliding connection with the rack, and two pushing heads rotationally connected with the sliding frame are symmetrically arranged on the sliding frame; the lifting driving assembly is connected with the rack and drives the sliding frame to ascend and descend. The angle measuring assembly comprises an angle sensor, and a sliding sheet of the angle sensor is driven to slide through a connecting rod, so that the bending angle of the copper-clad steel is automatically measured. The copper-clad steel bending machine automatically bends copper-clad steel to a set angle, can be suitable for bending various types of materials, and is simple in structure and convenient to operate.

The utility model discloses a double-station vertical cylindrical grinding machine which comprises a machine body and a stand column vertically arranged on the machine body. A vertical grinding wheel assembly is arranged in the middle of the machine body, two sides of the grinding wheel assembly are respectively provided with a group of feeding mechanisms, each feeding mechanism comprises an X-axis carriage and a Z-axis carriage which are vertically arranged, the X-axis carriages are slidably mounted on the stand columns through horizontal guide rail mechanisms, and first linear driving mechanisms are arranged between the X-axis carriages and the stand columns; the Z-axis carriage is slidably mounted on the X-axis carriage through a vertical guide rail mechanism, and a second linear driving mechanism is arranged between the Z-axis carriage and the X-axis carriage; a headstock assembly and a tailstock assembly which are used for clamping a workpiece are vertically arranged on the Z-axis carriage in a manner of facing each other; a grinding wheel capable of rotating horizontally is arranged at the upper end of the grinding wheel assembly, and the two sides of the grinding wheel protrude relative to the grinding wheel assembly towards the corresponding feeding mechanisms. The grinding tool has the advantages of being reasonable in structural design, capable of improving machining efficiency, beneficial to improving grinding precision and the like.

Plough with limited rotation coupling head The invention relates to a plough with a coupling head (3) for connection to a three-point coupling device of a towing vehicle, the coupling head (3) comprising, on the one hand, a coupling crossmember (4) having at its two opposite ends attachment points (5, 5') intended to engage with the two lower coupling points of the three-point coupling device and, on the other hand, a plate (6) secured to the frame, the crossmember (4) being connected in an articulated manner to the plate (6) with translational and rotational guidance by means of a pivot / slide connection.According to the invention, the plate (6) comprises means (9, 10, 10') configured to block the translational movement of the pivot (7) in the slide in the direction of advance and simultaneously allow a limited rotation of the crosspiece (4) around the axis (AP) of the pivot (7), when the plough is subjected to a traction force in the direction of advance via the crosspiece (4). Figure to be published with the abstract: Fig. 3.

The invention discloses a vertical thread grinding machine which comprises a machine body and a stand column vertically arranged on the back side of the machine body. Two grinding mechanisms are arranged on the lathe bed, the grinding mechanisms are slidably mounted on the lathe bed through horizontal guide rail mechanisms, and first linear driving mechanisms are arranged between the grinding mechanisms and the lathe bed; a feeding mechanism is arranged between the two grinding mechanisms and comprises a vertically-arranged Z-axis carriage, the Z-axis carriage is installed on the stand column in a sliding mode through a vertical guide rail mechanism, and a second linear driving mechanism is arranged between the Z-axis carriage and the stand column. A headstock assembly and a tailstock assembly which are used for clamping a workpiece are vertically arranged on the Z-axis carriage in a manner of facing each other; the grinding mechanism comprises a grinding driving assembly which is integrally arranged in the vertical direction, a grinding wheel is arranged at the output end of the grinding driving assembly, and the side, facing the feeding mechanism, of the grinding wheel is oppositely arranged in a protruding mode. The device has the advantages of being reasonable in structural design, convenient to feed and discharge, capable of improving the machining efficiency, beneficial to guaranteeing the machining precision and the like.

The utility model discloses a workpiece headstock rotary plate pressing device which comprises a base, a rotary table, an angle turning oil cylinder and a pressing plate assembly, and the rotary table is rotationally connected to the upper surface of the base; the driving end of the angle turning oil cylinder is connected to the rotary table; the pressing plate assembly is arranged on the upper surface of the base; the pressing end of the pressing plate assembly is arranged above the rotary table. The pressing plate assembly is configured to press the rotary table on the base; the angle turning oil cylinder is configured to drive the rotary table to rotate on the base; the upper surface of the rotary table is pressed through the pressing plate assembly, the pressing plate assembly and the base jointly act to clamp the rotary table, and therefore a workpiece on the rotary table is fixed. Compared with a traditional oil cylinder or oil cylinder and disc spring combined mode and a scheme of using the pressing diaphragm for pressing, the hydraulic pressure type rotary table pressing device has the advantages that the structure is simpler, the occupied space is smaller, and the hydraulic pressure type rotary table pressing device is suitable for being applied to a working environment with a narrow space.

The present invention discloses a magnetically assembled golf club bag head frame including a head frame body and a top annular piece. A clamping groove is provided on a side wall of the head frame body. A clamping joint is provided on a side wall of the top annular piece. The clamping groove is provided with a magnet groove in which a first magnet is provided. The clamping joint is provided with a magnet groove in which a second magnet is provided. During transportation, the golf club bag is a semi-finished product, a bag body is connected to the top annular piece, and the top annular piece and the head frame body are in a separated state.

This utility model provides a headstock for an external cylindrical grinding machine, including a housing and a top cover, with cavities inside the housing and top cover. A second through hole and a first through hole are transversely arranged on the housing, penetrating the cavity. A headstock spindle, rotatably connected, passes through the second and first through holes, with the head of the headstock spindle positioned near the first through hole. A front bearing sleeve is installed in the first through hole, and a No. 1 bearing is installed between the front bearing sleeve and the headstock spindle. The headstock spindle is interference-fitted and fixedly installed in the inner ring of the No. 1 bearing. A rear bearing sleeve is installed in the second through hole, and a No. 2 bearing is installed between the rear bearing sleeve and the headstock spindle. The headstock spindle is interference-fitted and fixedly installed in the inner ring of the No. 2 bearing. This design can increase the axial force on small workpieces by several times, enabling the clamping and smooth rotation of large workpieces.

An auxiliary head frame used in cooperation with a try-on frame comprises a frame body and a head band which are used for cooperating with each other to form an annular structure so that the auxiliary head frame can be conveniently worn on the head of a human body, inserting grooves used for being matched with the two ends of the head band are formed in the two sides of the frame body, and adjusting holes are further formed in the positions, at the inserting grooves, of the frame body. Adjusting gears are embedded in the adjusting holes, strip-shaped holes are formed in the two sides of the head band, and adjusting teeth used for being matched with the adjusting gears to adjust the tightness of the head band are arranged on the inner hole walls of the strip-shaped holes. An open hole is further formed in the middle of the frame body, a rack which is vertically arranged is inserted into the open hole, a hook which is used for supporting and matching the trial frame is hinged to the bottom of the rack, and a pinion which is used for being matched with the rack to adjust the height of the hook is installed on the frame body at the open hole. Part of weight of the try-on frame is transferred to the head, so that pressure of the lenses and the try-on frame on the patient during fitting can be reduced, and discomfort of the patient during try-on is reduced.

This invention discloses a mop head locking and unlocking structure, including a mop head frame, a locking and unlocking plate, a wringing roller, and a drive frame. The drive frame is movably connected to the mop head frame, with the end of the drive frame near the wringing roller serving as the wringing end, forming a wringing gap between the wringing end and the wringing roller. The locking and unlocking plate is slidably mounted on the mop head frame and driven by the drive frame. The mop head frame has an inner sliding groove, and the locking and unlocking plate has an outer sliding groove. After assembly, the inner and outer sliding grooves at least partially overlap, and the wringing roller slides within the inner and outer sliding grooves. The outer sliding groove includes a locking groove, which restricts the sliding of the wringing roller in the wringing direction when it is located within the locking groove. This invention achieves automatic unlocking of the wringing roller when the mop head is pulled upwards, preventing the mop bucket from being pulled upwards. Users only need to press down to wring water and pull upwards normally, without any other unnecessary usage restrictions, greatly improving the user experience of the mop bucket.

The utility model belongs to the technical field of forklift assembly, and particularly discloses a front axle plate front end positioning inner supporting mechanism which comprises a clamping device, the clamping device comprises a set of positioning headstock used for clamping the front end of a left front axle plate and the front end of a right front axle plate, the inner supporting mechanism further comprises an inner supporting device, and the inner supporting device comprises a connecting support fixedly connected with the clamping device. An inner supporting lead screw is rotationally connected into the connecting support, inner supporting pieces are in threaded connection with the two ends of the inner supporting lead screw respectively, the inner supporting lead screw is rotated to enable the two inner supporting pieces to move face to face or back to back, and the inner supporting pieces located at the same end and the positioning head frame conduct inner and outer clamping positioning on the front end of a front axle plate together. The positioning headstock on the clamping device is located on the outer sides of the front ends of the left front axle plate and the right front axle plate for clamping, and the inner supporting piece of the inner supporting device is located on the inner sides of the front ends of the left front axle plate and the right front axle plate, so that the outer side and the inner side of the front axle plate are clamped and positioned at the same time, deformation of the front axle plate during welding is prevented, correction after welding is avoided, and labor intensity is reduced.

The utility model provides a headstock with an angle capable of being finely adjusted, and belongs to the field of machine tool accessories. The problem that angle adjustment of an existing headstock is time-consuming and labor-consuming is solved. The headstock capable of finely adjusting the angle comprises a headstock base body, a base and an angle adjusting mechanism, a positioning locking mechanism is arranged on the base, the angle adjusting mechanism comprises a positioning table, an adjusting assembly and a fine adjusting assembly, the headstock base is movably installed on the positioning table, the central axis of the headstock base body coincides with the central axis of the positioning table, and a scale sheet is arranged on the outer edge of the positioning table. The adjusting assembly comprises an adjusting fixing part, an elastic part and an open groove, a movable cavity is formed in the side edge of the headstock base body and communicated with the open groove, the cross section of the adjusting fixing part is of a T-shaped structure, one end of the adjusting fixing part is movably installed in the movable cavity, and the other end of the adjusting fixing part penetrates through the open groove to be matched with the fine adjusting assembly. The fine adjustment assembly comprises an adjustment side block, two positioning blocks and an adjustment screw. The angle adjusting device has the advantage of being accurate in angle adjustment.

The utility model discloses a headstock suitable for a belt conveyor with a limited length of a roadway, which is positioned in the roadway with the limited length and can realize coal unloading under the condition that an unloading arm is not arranged. The machine head frame comprises a heightening frame, a machine head left vertical plate, a machine head right vertical plate, a driving roller and a turnabout roller. The mounting position of the turnabout drum is close to the driving drum and lower than that of the driving drum, and the turnabout drum is used for upwards changing the wrap angle of the belt; wherein the heightening frame is used for raising the horizontal position of the driving roller, so that a coal unloading point of the driving roller is overlapped with a coal falling point of a belt conveyor of a next roadway; according to the utility model, the unloading arm is completely removed, so that the length of the roadway is matched with the conveying length of the belt conveyor, and the unloading point of the whole device is lifted by using the heightening frame, so that the unloading point of the whole device is overlapped with the coal falling point of the next roadway, and the high-position coal unloading is realized.

The application relates to the field of half shaft machining, in particular to an automobile half shaft grinding device which comprises a track assembly and a grinding assembly, a fixed headstock and a left and right sliding tailstock are arranged on the track assembly, a center mechanism for aligning and locking the end of the half shaft is arranged on the headstock and the tailstock, an auxiliary mechanism for supporting the area of the half shaft after polishing is further arranged on the track assembly, the positioning center, the limiting center and the abutting disc are arranged in a mutually nested sliding mode, the half shaft is sequentially positioned and limited, so that the double functions of high-precision positioning and bearing grinding load which are simultaneously borne by the traditional center are separated, meanwhile, the axial thrust and the radial load generated in the grinding process are borne by the abutting disc and the limiting center; the V-shaped block is further matched to support the area of the half shaft after grinding with high precision, so that stable positioning in the whole grinding process of the half shaft is realized, and long-time high-precision grinding operation can be carried out.

The application relates to a smart tailstock, and relates to the technical field of mechanical manufacturing. The smart tailstock comprises a workpiece top-holding mechanism, a servo hydraulic driving mechanism, a sleeve position detection mechanism and a sleeve limiting mechanism. The workpiece top-holding mechanism is arranged in the tailstock body shell and is used for top-holding a workpiece hung between a headstock and the tailstock. The servo hydraulic driving mechanism is arranged in the tailstock body shell and is used for driving a top pin to apply a top-holding force to the workpiece. The sleeve position detection mechanism is arranged behind the tailstock body shell and is used for detecting the position of a sleeve. The sleeve limiting mechanism is arranged behind the tailstock body shell and is arranged in parallel with the sleeve position detection mechanism and is used for setting a sleeve moving limiting distance. The application aims to provide a smart tailstock with high automation degree and capable of monitoring and controlling a top-holding force during grinding of workpieces with different sizes and weight specifications.

The utility model discloses a multifunctional welding positioner which comprises a base, a headstock positioner is arranged on one side of the base, a rail is arranged on the other side of the base, a tailstock positioner is arranged on the rail in a sliding mode, the tailstock positioner and the headstock positioner are symmetrically arranged on the same axis, and clamping assemblies are rotationally installed on the tailstock positioner and the headstock positioner. The clamping assembly can also vertically move on the headstock positioner and the tailstock positioner. The servo motor drives the lead screw to move up and down and drives the slewing bearing to turn over and rotate, so that the position and the angle of a workpiece can be quickly and accurately adjusted, and the welding work is more efficient and convenient. The motor and the rail are adopted for moving back and forth, the hydraulic system is adopted for hydraulic clamping and loosening of the headstock and the tailstock, and operation is simpler and more convenient. And meanwhile, the fixing and aligning precision of the position of the tailstock is further improved by using the positioning pin, so that the whole welding process is more stable and reliable.

To provide a bonding device in which a space saving is realized.SOLUTION: A bonding device comprises: a base; an operation stage that is arranged on the base, and holds a substrate; a bonding head that is held by the operation stage and crimps a component to the substrate; a head stand that is arranged on the base, and supports the bonding head with respect to the operation stage in a manner to enable lifting; a cover frame that is arranged on the base, and mounts a covers for defining an operation space for housing the operation stage, the bonding head, and the head stand; a head lifting part that lifts the bonding head; and a coupling part that couples the head lift part and the bonding head. The head lifting part is supported by the cover frame.SELECTED DRAWING: Figure 2

The utility model relates to the technical field of coal mine underground mechanical equipment, in particular to a double-side telescopic belt conveyor head device which comprises a belt conveyor head frame, the belt conveyor head frame is of a square frame structure and comprises a top seat, a base and a connecting rod between the top seat and the base, and a hydraulic cylinder fixing support is installed on the top seat of the belt conveyor head frame. The two sides of the hydraulic cylinder fixing support are each provided with a hydraulic cylinder, supporting cylinders are installed below the hydraulic cylinders, a connecting frame is installed between the two supporting cylinders, supporting cylinder sleeves are arranged on the two sides of the connecting frame, and the supporting cylinders are sleeved with the supporting cylinder sleeves and can slide in the axial direction of the supporting cylinders. An unloading roller support is arranged at the end, in the extending direction of a piston rod of the hydraulic cylinder, of the connecting frame, an unloading roller is installed on the unloading roller support, and the piston rod of the hydraulic cylinder is connected with the unloading roller support. The belt conveyor head device can give way to the monorail crane by controlling stretching and retracting of the unloading roller, the design is scientific, reasonable, simple and effective, and reasonable distribution of mine space is achieved.

The utility model discloses a grinding wheel correction device for application in cylindrical grinding machine relates to cylindrical grinding machine technical field, including the body, the top fixedly connected with workstation of body, the workstation top fixedly connected with guide rail, the outer surface sliding connection of guide rail has headstock, the outer surface sliding connection of one end of guide rail away from headstock has tailstock, and the outer surface of one side close to headstock of tailstock is installed with correction mechanism. The utility model discloses through the pressure ring and the boss, fixes the grinding wheel disc between the cover shell and the baffle, and the positioning column can greatly reduce the time needed to center during installation, can also reduce eccentric situation, guarantees the machining accuracy, and the extrusion elastic ring, the buffer ring and the cushion block can all produce deformation when installing the grinding wheel disc, to reduce the gap on each structure connection, and the key groove on the transmission shaft can prevent the grinding wheel disc from slipping when rotating, so that the surface precision of workpiece is affected.

A rotary trash cleaner with an automatic adjustment protection function, comprising a grid part, a trash cleaning rake and a transmission part; the grid part includes a head frame, a trash interception grid body and guide rails, the trash interception grid body is installed inside the head frame, and the guide rails are located between the trash interception grid body and the head frame; the transmission part includes a motor, a reducer, a traction chain, a traction sprocket, a drive sprocket, a drive chain and a main shaft, the motor is installed at the head of the head frame, the main shaft is rotatably installed at the upper part of the head frame, two traction sprockets are fixedly installed at both ends of the main shaft, and a drive sprocket is installed at the outermost end of the main shaft; it has a simple structure, good rigidity, stable operation, not easy to break down, simple operation and maintenance, good trash cleaning effect, high efficiency, low energy consumption, long service life, the motor is horizontally arranged inside the machine head, the motor has good protection effect, and can clean large and extra-long trash exceeding the width of the hole.

The application discloses a workpiece top holding force automatic adjustment method and relates to the technical field of mechanical manufacturing. L Data preparation: calculating the top holding force F L ; tailstock position adjustment: through the numerical control system, the servo motor is powered on to drive the tailstock to move forward to the target grinding station; feeding: through the mechanical arm, the workpiece to be processed is placed above the station; centering: through the servo hydraulic drive mechanism, the tailstock center is driven into the tailstock hole of the workpiece; grinding: the headstock drives the workpiece to grind through the workpiece automatic driving device, and the top holding force F L is adjusted according to different grinding positions of the workpiece; and discharging. The application can automatically adjust the top holding force of the workpiece and can adapt to different sizes and weight specifications and different machining precision requirements.

A lifting head assembly capable of adjusting the direction comprises a lifting head frame, the lifting head frame is in running fit with a bearing cross beam, the bearing cross beam is connected with a connecting plate, the connecting plate is in running fit with a pulley pin shaft, and the pulley pin shaft is in running fit with a pulley. The lifting head frame comprises an upper lifting rod, a lower U-shaped frame and an oil cylinder installation supporting sleeve, the top of the lower U-shaped frame is connected with the upper lifting rod, and the side portion of the lower U-shaped frame is connected with the oil cylinder installation supporting sleeve. Z-axis active angle adjustment is achieved through running fit of the lifting head frame and the bearing cross beam, multi-degree-of-freedom automatic centering is achieved in combination with guide fit of four-edge grooves of the lower U-shaped frame and four-edge bosses of the lifting lugs, and the lifting device adapts to complex working conditions such as inclined gate grooves.

The present invention discloses a buckle-assembled type golf club bag, including: a head frame, a chassis, a bag body that connects the head frame and the chassis, and a plurality of support rods located between the head frame and the chassis and configured to stretch the bag body, a top portion of the bag body is connected to a top ring member, a bottom portion of the bag body is connected to a bottom ring member, the top ring member is clamped to the head frame, and the bottom ring member is clamped to the chassis. During transportation, the golf club bag is a semi-finished product, and the bag body is connected to the top ring member and the bottom ring member, while the top ring member and the head frame, as well as the bottom ring member and the chassis, are separated.

The invention discloses a multifunctional automatic grinding device which comprises a main machine tool, and grinding assemblies arranged in pairs are arranged on the main machine tool. A headstock assembly is arranged on the side face of one grinding assembly, and a tailstock assembly is arranged on the side face of the other grinding assembly. The headstock assembly comprises a head tip and a first motor, and the first motor drives the head tip to rotate when working; a headstock shaft is fixedly mounted on the outer layer of the head tip; a multifunctional transmission assembly rotationally connected with the headstock shaft is arranged on the headstock shaft and comprises a second motor and a second gland, and the second gland is driven to rotate when the second motor works; the tailstock assembly comprises a tail tip, and the tail tip and the head tip are coaxially arranged. The headstock assembly has two rotating modes which can be used for machining a round workpiece and a special-shaped workpiece in a matched mode, and universality is good; when the distance is adjusted, only the tail tip moves axially, so that the head tip and the tail tip have better concentricity, and the machining precision is higher.

The utility model discloses a gob-side entry retaining lengthened tail beam end frame anchor protection tool which comprises first lug seats (2) installed on the two sides of the end of a telescopic tail beam (1) and a supporting box body (4) arranged on the telescopic tail beam (1), and connecting plates (3) rotationally connected and matched with the first lug seats (2) are installed on the first lug seats (2). And a second lug seat (5) which is rotationally connected and matched with the connecting plate (3) is mounted at the end part of the connecting plate (3), and is fixedly mounted on the outer side surface of the supporting box body (4). According to the utility model, in the working face stoping process, the destructive effect of the original nose added tail beam bracket on the top anchor is converted into a protective effect, and the disadvantages are turned into benefits; the anchor protection tool and the telescopic tail beam are cooperatively matched, manual adjustment of the anchor protection distance can be achieved, and accurate anchor protection, one-time installation and long-term use are achieved.

This utility model relates to the field of grinding machine technology and discloses a grinding machine for cover plate forming grinding. The machine includes a machine tool with two electrically driven translational slides fixedly mounted on it. A slide base is slidably connected to the first electrically driven translational slide. A mounting bracket and a slide rail are fixedly mounted at the end of the slide base away from the first electrically driven translational slide. A headstock and a limiting seat are fixedly mounted on the slide rail. An internal support fixture is fixedly mounted at the output end of the headstock. A roller motor is fixedly mounted on the limiting seat. A grinding wheel is fixedly mounted on the output shaft end of the roller motor. This grinding machine for cover plate forming grinding features a horizontal alignment design between the grinding wheel and the internal support fixture, ensuring the coaxiality of the cover plate workpiece during grinding. Furthermore, the T-shaped distribution of the first and second electrically driven translational slides forms an XY-axis linkage structure, enabling the grinding wheel to grind the three-dimensional contour of the cover plate edge, thus improving its practicality.

The utility model belongs to the technical field of welding machine manufacturing, and particularly relates to a welding machine tailstock convenient to move, which comprises a box seat, a center seat, a center and an advance and retreat adjusting mechanism, the box seat is movably connected with a track, the center seat is arranged at the top of the box seat, and the front end of the center seat is connected with the center. A fork head frame is arranged in the wheel seat, a spring is arranged between the top of the fork head frame and the T-shaped bolt, the bottom of the fork head frame is connected with the walking wheel through a wheel shaft, the two sides of the fork head frame are movably connected with a sliding groove in the inner side of the wheel seat, and a limiting table is arranged at the bottom of the sliding groove. The tailstock has the advantages that the wheel seat is additionally arranged on the basis of an existing tailstock, when the tailstock needs to move, only the clamping pressing plate needs to be separated from the track, the walking wheel rises under the action of the spring, the tailstock is separated from the track, at the moment, the tailstock can be manually pushed to move, the friction resistance of the walking wheel is very small, operation is convenient, and the working efficiency is improved. And the labor intensity is greatly reduced.

The present invention provides a hoisting method for two adjacent surface ore passes, which connects a hoisting winch, a first sinking winch, and a second sinking winch to a first ore pass, and installs a sinking headframe, a hanging platform, a shaft mouth plate, and other hoisting components into the first ore pass to complete the construction of the first ore pass; the main beams of the hanging platform and the shaft mouth plate are fixed into a movable integral structure through fixing members; then the sinking headframe is integrally moved from the first ore pass to the vicinity of the wellhead of the second ore pass, and based on the hoisting foundation of the second ore pass, the movable integral structure is integrally moved to the preset positions of the hanging platform and the shaft mouth plate of the second ore pass, and then the sinking headframe and other hoisting components near the wellhead are installed into the second ore pass, and the hoisting winch, the first sinking winch, and the second sinking winch are connected to the second ore pass to complete the construction of the second ore pass, so that a set of fixed hoisting equipment sequentially serves the excavation and lining construction of two ore passes, with simple design and reduced project preparation.