CN211889698U - Restoring, planing and milling combined device for DF4D diesel locomotive connecting rod tooth part - Google Patents
Restoring, planing and milling combined device for DF4D diesel locomotive connecting rod tooth part Download PDFInfo
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- CN211889698U CN211889698U CN202020137132.XU CN202020137132U CN211889698U CN 211889698 U CN211889698 U CN 211889698U CN 202020137132 U CN202020137132 U CN 202020137132U CN 211889698 U CN211889698 U CN 211889698U
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Abstract
A restoring, planing and milling combined device for a connecting rod tooth part of a DF4D diesel locomotive comprises a device body, a feeler block, a positioning pin, a positioning block, a fine adjustment device, an adjusting nut and a pressing plate; the device body consists of a base, a mounting plate and reinforcing ribs, and is fixed into a whole in an integral casting mode; the feeler block is arranged in the feeler block mounting groove at the top of the mounting plate; the positioning pin is arranged in a positioning pin mounting hole on the mounting plate; the positioning blocks are symmetrically fixed in the positioning block mounting holes on the two sides of the mounting plate; the fine adjustment device is arranged on one side of the mounting connecting rod body of the mounting plate; the adjusting nut is arranged on the reinforcing rib on one side of the mounting plate. The device design science has guaranteed that manufacturing, assembly benchmark and the maintenance location benchmark of connecting rod are unified benchmark, in profile of tooth alignment, has effectively solved the connecting rod body and the poor position problem of half profile of tooth of connecting rod lid for the connecting rod precision after the maintenance is unanimous with the precision of newly-made, reduces the connecting rod disability rate, has increased economic benefits for the enterprise.
Description
Technical Field
The utility model belongs to the technical field of diesel locomotive vehicle spare part manufacturing overhaul, concretely relates to planer of DF4D diesel locomotive's connecting rod tooth portion crackle restoration usefulness mills composite set.
Background
The connecting rod, one of the key moving parts of the diesel engine, converts the linear reciprocating motion of the piston into the rotary motion of the crankshaft and transmits the acting force between the piston and the crankshaft. In recent years, with the implementation of a railway high-speed heavy-load strategy and the increase of the operating life of a locomotive, the operating conditions and the operating conditions of the diesel locomotive are increasingly severe, the incidence rate of cracks of a connecting rod tooth part of a DF4D diesel locomotive is increasing, and in locomotive maintenance enterprises, the failure mode of a connecting rod scrapped through rough statistics at a near stage and the cracks of the tooth part reach 60%.
The most obvious difference between the overhaul connecting rod process and the new connecting rod manufacturing process is as follows: in the newly manufactured connecting rod process, the process flow is as follows: the end faces of the big and small holes of the connecting rod body and the connecting rod cover are milled firstly, then the teeth are planed and milled, then the teeth are aligned by the tooth form, the big and small holes of the connecting rod are bored and then ground, thus the big and small holes used by the connecting rod assembly reference are generated in the later stage, and the process for overhauling the connecting rod is as follows: grinding, welding and repairing a broken tooth part, removing redundant welding materials by planing, milling teeth, grinding teeth, and finally performing fine boring and fine grinding, wherein if a tool used for manufacturing the original connecting rod is used, the tooth profile is still used for aligning, and large holes are finely bored and finely ground, large and small holes are generated on the connecting rod assembly reference, because the connecting rod body and the connecting rod cover have a half tooth profile difference and a part of the tooth profile has defects, the alignment precision is low, the light area (the contact area of a bearing bush) of the large holes in the fine grinding hole process is often less than 85 percent, and a great risk of bearing bush burning exists; in order to ensure that the visible light area is larger than 85% after hole grinding and avoid the risk of burning tiles of a diesel engine, the DF4D type diesel locomotive connecting rod precision repairing tooth part planing and milling combined device is designed and manufactured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at designing a DF4D diesel locomotive connecting rod tooth portion is restoreed to dig and is milled composite set, the device uses original assembly benchmark macropore to overhaul the positioning reference, utilize three bamboo joint formula locating pins of group to connecting rod body and connecting rod cap macropore location, recycle two sets of feeler blocks respectively to connecting rod body and connecting rod cap tooth portion tool setting, and tooth portion pitch line height carries out accurate alignment about to connecting rod body and connecting rod cap through the micromatic setting of tooth portion alignment, carry out the precision to tooth portion and restore, guarantee to overhaul the maintenance precision of back connecting rod and require unanimously with manufacturing.
The purpose of the utility model can be realized by adopting the following technical scheme: the utility model provides a DF4D diesel locomotive connecting rod tooth portion restores and digs mills composite set, includes: the device comprises a device body, a tool setting block, a positioning pin, a positioning block, a fine adjustment device, a positioning plug, a pressing plate supporting column, an adjusting nut and a pressing plate, wherein the device body consists of a base, a mounting plate and two groups of reinforcing ribs with different heights, the mounting plate is vertically arranged in the center of the base, the two groups of reinforcing ribs are respectively arranged on two sides of the mounting plate and are respectively vertical to the mounting plate and the base, and the three parts are fixed into a whole in an integral casting mode; the upper part of the mounting plate is positioned by using the same center reference according to the centers of a connecting rod body and a connecting rod cover large hole, three positioning pin mounting holes are calculated and arranged according to a plane coordinate 3-point centering type positioning reference, the centers of the connecting rod body and the connecting rod cover large hole are respectively used as the circle centers on two sides of the mounting plate, three positioning block mounting holes are arranged along the semi-circumference of the connecting rod body and the connecting rod cover large hole end surface according to the size of the large hole end surface, pressing plate supporting column mounting holes are respectively arranged on the outer sides of the positioning block mounting holes on the two sides, and two groups of feeler block mounting grooves and positioning threaded holes are arranged on the top of the mounting plate by using the centers of the three positioning pin; the feeler block is arranged in a feeler block mounting groove at the top of the mounting plate and is fixed on a positioning threaded hole of the mounting plate through a bolt; the positioning pins are three bamboo joint type positioning pins, the positioning pins are arranged in three positioning pin mounting holes on the mounting plate, three sections of bosses are arranged on the shaft diameters of the positioning pins, the shaft diameter of one section of boss in the middle is long, the boss is mounted in the positioning pin mounting holes, the protruding shaft diameters of two ends are short, the boss and the boss are symmetrically arranged and protrude out of two sides of the mounting plate; the six positioning blocks are respectively and symmetrically fixed in the positioning block mounting holes on the two sides of the mounting plate in a group of three positioning blocks; the three fine-adjustment devices are arranged on one side of the mounting plate of the mounting connecting rod body together, one fine-adjustment device is arranged right below the middle positioning pin on the mounting plate, and the other two fine-adjustment devices are symmetrically fixed on two sides of the position of the link arm of the mounting connecting rod body respectively; the adjusting nuts are respectively arranged on reinforcing ribs with the same height as the device body on one side of the connecting rod cap, and are fixed on the end faces of the reinforcing ribs through bolts; the pressing plate supporting columns respectively penetrate through the pressing plate supporting column mounting holes in the mounting plate and are fixed on the mounting plate, and two ends of the pressing plate supporting columns extend out of two sides of the mounting plate.
The device body on the mounting panel be the polygon flat board, the one end of mounting panel flushes with the base, the base outer fringe is stretched out in the other end slope, at the mounting panel top, the upper portion of every locating pin mounting hole of perpendicular to is provided with the plug hole of fixed locating pin, on the upper portion of middle locating pin mounting hole, sets up the bolt through-hole of an installation clamp plate.
The height of one group of reinforcing ribs on the device body is different at two sides of the mounting plate and is arranged at one inclined end of the mounting plate, the lower end of the one group of reinforcing ribs is arranged at one side of the connecting rod body, the height of the other group of reinforcing ribs is consistent with the height of the higher end of the previous group of reinforcing ribs, the height of the other group of reinforcing ribs is equal to the height of the higher end of the previous group of reinforcing ribs, the height of the other group of reinforcing ribs meets the requirement that the adjusting nut has adjusting space for the tooth-shaped pitch circle height of the connecting rod cover.
The tool setting blocks are two groups of replaceable tool setting blocks, one group is a left connecting rod body tool setting block and a right connecting rod body tool setting block, the other group is a left connecting rod cover tool setting block and a right connecting rod cover tool setting block, each tool setting block is provided with a mark, and after each group of tool setting blocks are installed on the installation plate, the tooth shape position on each tool setting block is consistent with the left tooth shape position and the right tooth shape position after the connecting rod body or the connecting rod cover is clamped.
The positioning pin is designed according to the size of a positioning pin mounting hole in the mounting plate, a platform for fixing the positioning pin on the mounting plate by a positioning plug is arranged on the shaft diameter of the boss of the middle long section, three short protruding shaft diameters of the positioning pin protruding from two sides of the mounting plate are matched with the size of a large hole of the connecting rod, and the positioning pin is used for positioning the connecting rod body and the large hole of the connecting rod cover and is guaranteed to be the same central reference.
The positioning blocks are provided with bolt holes, and after the positioning blocks are installed on two sides of the mounting plate, the heights of all sides are equal, so that the positioning blocks are used for positioning the big hole end faces of the connecting rod body or the connecting rod cover.
The fine setting device include fixed block and adjusting bolt, the fixed block is L shape structure, L shape underrun bolt fastening to one side of mounting panel, L shape riser center sets up an adjusting bolt, a fine setting device under the middle locating pin mounting hole, its circular central dimension apart from three locating pins place is greater than the radius size of connecting rod body macropore outer fringe, guarantees to have the space allowance of adjustment to the profile of tooth pitch circle height of connecting rod body.
The adjusting nut is arranged at the distance between the equal-height reinforcing ribs on one side, corresponds to the symmetrical size of the tooth parts on the two sides of the connecting rod cover, and has the function of adjusting the pitch line height of the left tooth part and the right tooth part of the connecting rod cover.
The pressing plate supporting columns are long cylindrical, the length of the pressing plate supporting columns extending out of two sides of the mounting plate is respectively greater than the thickness of end faces of two sides of the large holes of the connecting rod body and the connecting rod cover, and the pressing plate is used for quickly positioning the pressing plate and pressing the connecting rod body or the connecting rod cover.
The pressing plate is two rectangular flat plates, a through hole for connecting the pressing plate supporting columns and a connecting bolt through hole for pressing are formed in the pressing plate, the pressing plate penetrates through the pressing plate supporting columns on two sides of the mounting plate respectively during repair processing of the connecting rod body and the connecting rod cover, and the pressing plate is pressed on the connecting rod body and the connecting rod cover through bolts.
The utility model discloses during the use: a connecting rod needing tooth profile repair is separated from a connecting rod cover and is respectively arranged on two sides of an installation plate on a device body, the connecting rod body is arranged on one side with different heights of reinforcing ribs, the connecting rod cover is arranged on one side with the same height of the reinforcing ribs, positioning blocks on two sides of the installation plate are respectively positioned on the large hole end faces of the connecting rod body and the connecting rod cover, three positioning pins penetrate through positioning pin holes on the installation plate, the three sections of protruding shaft diameters on two sides of the mounting plate, which protrude on the positioning pins, respectively position the large holes of the connecting rod body and the connecting rod cover, then three plugs are put into plug holes on the upper part of the installation plate, the positions of the positioning pins are adjusted, the positioning pins are fixed by tightening the plugs, then a fine adjustment device and an adjustment nut are installed in place, the device is placed on a planing and milling machine tool for machining a tooth part, the tooth part with complete shape on the connecting rod body is adjusted by using a fine adjustment device as a reference, so that the left and right tooth profiles of the feeler block are consistent with the pitch line height and tooth profile of the left and right tooth parts on the connecting rod body, accurate alignment is carried out, finally, the pressing plate is installed on the pressing plate supporting column and is fixed and tightened by using a bolt, the tooth profile of the connecting rod body can be machined and repaired, after the repairing and machining of the connecting rod body are completed, the feeler block is replaced, the tooth profile of the connecting rod cover is machined and repaired again, and the tooth part repairing work of the.
The utility model has the advantages that: the device design science, it is rational in infrastructure, guaranteed that the manufacturing of connecting rod, assembly benchmark and maintenance location benchmark are unified benchmark, in profile of tooth alignment, effectively solved the connecting rod body and the poor position problem of half profile of tooth of connecting rod lid, in the follow-up correct grinding process, guaranteed that the large-pore light area of connecting rod (axle bush contact area) is greater than 85%, effectively reduced the risk of burning tiles for the connecting rod precision after the maintenance is unanimous with the connecting rod precision of newly-manufactured, reduces the connecting rod disability rate, increased economic benefits for the enterprise.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a sectional view taken along line A-A of the front view of the present invention;
FIG. 4 is a view from the direction B of FIG. 3;
FIG. 5 is a front view of the fine adjustment device;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a perspective view of the pressing plate of the present invention;
FIG. 8 is a schematic plan view of the structure of the connecting rod body of the present invention;
FIG. 9 is a schematic plan view of the structure of the connecting rod cap of the present invention;
the labels in the figure are: 1. the device comprises a device body, 2, an aligning block, 3, a positioning pin, 4, a positioning block, 5, a fine adjustment device, 6, a positioning plug, 7, a pressing plate supporting column, 8, an adjusting nut, 9, a pressing plate, 10, a base, 11, an installation plate, 12, reinforcing ribs, 13, a fixing block, 14, adjusting bolts, 15, bolt through holes, 16, a connecting rod body, 17, a connecting rod cover, 18, through holes, 19 and connecting bolt through holes.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, a DF4D diesel locomotive connecting rod tooth repairing and milling combination device comprises: the device comprises a device body 1, a pair of tool setting blocks 2, a positioning pin 3, a positioning block 4, a fine adjustment device 5, a positioning plug 6, a pressing plate supporting column 7, an adjusting nut 8 and a pressing plate 9, wherein the device body 1 is composed of a base 10, a mounting plate 11 and two groups of reinforcing ribs 12 with different heights, the mounting plate 11 is vertically arranged in the center of the base 10, the two groups of reinforcing ribs 12 are respectively arranged on two sides of the mounting plate and are respectively vertical to the mounting plate 11 and the base 10, and the three parts are fixedly integrated in an integral casting mode; the mounting plate 11 is a polygonal flat plate, one end of the mounting plate 11 is flush with the base 10, the other end of the mounting plate 11 obliquely extends out of the outer edge of the base 10, the upper part of the mounting plate 11 is positioned by using the same center reference according to the center of a large hole of the connecting rod body 16 and the connecting rod cover 17, three positioning pin mounting holes are calculated according to a planar coordinate 3-point centering type positioning reference, a bolt through hole 15 for mounting the pressure plate 9 is arranged at the upper part of the middle positioning pin mounting hole, two sides of the mounting plate 11 respectively use the center of the large hole of the connecting rod body 16 and the center of the large hole of the connecting rod cover 17 as the center of a circle, three positioning block mounting holes are arranged along the semi-circle of the large hole end faces of the connecting rod body 16 and the connecting rod cover 17 according to the size of the large hole end face, pressure plate supporting column mounting holes are, taking the circle centers of the three positioning pin mounting holes as centers, setting two groups of tool setting block mounting grooves and positioning threaded holes according to a mounting dimension chain relation design principle, and arranging a screwed plug hole for fixing the positioning pin 3 at the upper part vertical to each positioning pin mounting hole; the two groups of reinforcing ribs 12 are arranged at the inclined end of the mounting plate 11, wherein one group of reinforcing ribs 12 are different in height at two sides of the mounting plate 11, the lower end of each reinforcing rib is arranged at one side of the connecting rod body 16 to prevent interference with the connecting rod body (16), the other group of reinforcing ribs 12 are consistent in height and are as high as the higher end of the previous group, the height dimension of each reinforcing rib meets the requirement that the adjusting nut 8 has an adjusting space for the tooth-shaped pitch circle height of the connecting rod cover 17 after the connecting rod cover 17 is mounted, and the distance between the reinforcing ribs 12 at the equal height side corresponds to the mounting distance of the connecting.
The tool setting blocks 2 are two groups of replaceable tool setting blocks, one group is a left tool setting block and a right tool setting block of the connecting rod body 16, the other group is a left tool setting block and a right tool setting block of the connecting rod cover 17, each tool setting block 2 is provided with a mark, the tool setting blocks 2 are arranged in tool setting block mounting grooves at the top of the mounting plate 11 and fixed on positioning threaded holes of the mounting plate 11 through bolts, and after each group of tool setting blocks 2 are mounted on the mounting plate 11, the tooth shape position on the tool setting blocks 2 is consistent with the left and right tooth shape positions of the connecting rod body 16 or the connecting rod cover 17 after.
The locating pin 3 be three bamboo joint formula locating pin, locating pin 3 sets up in the three locating pin mounting hole on mounting panel 11, its diameter of axle size is according to the size design of locating pin mounting hole on the mounting panel, be equipped with three-section boss on the diameter of axle of locating pin 3, middle one section boss diameter of axle is long, installs in the locating pin mounting hole, and on its diameter of axle, set up one and be used for locating plug 6 to fix the platform on mounting panel 11 with locating pin 3, the protruding diameter of axle at both ends is short, the symmetry sets up, and salient both sides in mounting panel 11, the protruding three short protruding diameter of axle in both sides, its tangent circle size matches with connecting rod macropore size, be used for connecting rod body 16 and connecting rod cover 17 macropore location, and guarantee to be same central benchmark.
The six positioning blocks 4 are respectively symmetrically fixed in the positioning block mounting holes on two sides of the mounting plate 11 in a group of three positioning blocks, the positioning blocks 4 are provided with bolt holes, and after the positioning blocks 4 are mounted on two sides of the mounting plate 11, the height of each side is equal to the height of each side, and the positioning blocks are used for positioning the large hole end faces of the connecting rod body 16 or the connecting rod cover 17.
The three fine-adjustment devices 5 are arranged and are arranged on one side of the mounting plate 11 of the connecting rod body 16, one fine-adjustment device is arranged right below the middle positioning pin 3 on the mounting plate 11, the other two fine-adjustment devices 5 are symmetrically fixed on two sides of the position of the link arm of the connecting rod body 16 respectively, each fine-adjustment device 5 comprises a fixing block 13 and an adjusting bolt 14, each fixing block 13 is of an L-shaped structure, the bottom surface of each L-shaped structure is fixed to one side of the mounting plate 11 through a bolt, the center of each L-shaped vertical plate is provided with the adjusting bolt 14 for adjusting the tooth-shaped pitch circle height of the connecting rod body 16, one fine-adjustment device 5 right below the middle positioning pin 3 plays a role in accurate positioning and adjusting of a center reference, the center size of a circle with the distance from the three positioning pins 3 is larger than the radius size of the outer edge of a; the adjusting nuts 8 are respectively arranged on the equal-height reinforcing ribs 12 of the device body 1 on one side of the connecting rod cover 17, and are fixed on the end faces of the reinforcing ribs 12 through bolts, and the distance between the two adjusting nuts 8 corresponds to the symmetrical size of the tooth parts on two sides of the connecting rod cover 17, so that the pitch line height of the left tooth part and the right tooth part is adjusted.
The pressing plate supporting columns 7 are long cylindrical, the pressing plate supporting columns 7 penetrate through the pressing plate supporting column mounting holes in the mounting plate 11 respectively and are fixed on the mounting plate 11, two ends of each pressing plate supporting column extend out of two sides of the mounting plate 11, the extending lengths of the two sides are larger than the thickness of the end faces of two sides of the large holes of the connecting rod body 16 and the connecting rod cover 17 respectively, the pressing plates 9 are used for quickly positioning, the connecting rod body 16 and the connecting rod cover 17 are compressed, and the fact that the device body 1 has enough rigidity during machining is guaranteed.
The pressing plate 9 is two rectangular flat plates, two through holes 18 for connecting the pressing plate supporting columns 7 and a connecting bolt through hole 19 for pressing are arranged on the pressing plate 9, the pressing plate 9 respectively penetrates through the pressing plate supporting columns 7 on two sides of the mounting plate 11 when the connecting rod body 16 and the connecting rod cover 17 are repaired and processed, and the pressing plate 9 is pressed on the connecting rod body 16 and the connecting rod cover 17 through bolts.
The utility model discloses a concrete implementation process as follows: (the device body 1 described in this embodiment is cast and then integrally machined by a horizontal pentahedron numerically controlled boring machine, in order to ensure the positioning of the device body and the precision requirement of the installation reference) a connecting rod to be repaired in tooth form is separated from a connecting rod body 16 and a connecting rod cover 17 and respectively installed on two sides of an installation plate 11 on the device body 1, the connecting rod body 16 is installed on one side with different heights of a reinforcing rib 12, the connecting rod cover 17 is installed on one side with the same height of the reinforcing rib 12, positioning blocks 4 on two sides of the installation plate 11 are respectively positioned on the large hole end faces of the connecting rod body 16 and the connecting rod cover 17, three positioning pins 3 pass through positioning pin installation holes on the installation plate 11, three sections of protruding shaft diameters protruding out of two sides of the installation plate 11 on the positioning pins 3 respectively position the large holes of the connecting rod body 16 and the connecting rod cover 17, and then three positioning plugs 6, the three positioning pins 3 are fixed by tightening the mounting screw plugs 6, then the fine adjustment device 5 and the adjusting nut 8 are mounted in place, the device is placed on a planing and milling machine tool for machining the tooth parts, the adjustment and the fixation are in place, a group of tool setting blocks 2 for repairing the connecting rod body 16 are respectively mounted in the tool setting block mounting grooves in the mounting plate 11, the tooth parts with complete shapes on the connecting rod body 16 are adjusted by using the fine adjustment device 5 as a reference, the left and right tooth shapes of the tool setting blocks 2 are consistent with the pitch line height and the tooth shape of the left and right tooth parts on the connecting rod body 16, the accurate alignment is carried out, finally the pressing plate 9 is mounted on the pressing plate supporting column 7 and is fixed and tightened by using bolts, the tooth shape of the connecting rod body 16 can be machined and repaired, after the repair machining of the tooth shape of the connecting rod body 16 is finished, the tool setting blocks 2 are. The device has been applied in the production of present enterprise, and is respond well, proposes to promote.
The part of the utility model not detailed is prior art.
Claims (10)
1. The utility model provides a DF4D diesel locomotive connecting rod tooth portion restores and digs mills composite set, includes: device body (1), feeler block (2), locating pin (3), locating piece (4), micromatic setting (5), location plug (6), clamp plate support column (7), adjusting nut (8) and clamp plate (9), characterized by: the device body (1) is composed of a base (10), a mounting plate (11) and two groups of reinforcing ribs (12) with different heights, the mounting plate (11) is vertically arranged in the center of the base (10), the two groups of reinforcing ribs (12) are respectively arranged on two sides of the mounting plate (11) and are respectively perpendicular to the mounting plate (11) and the base (10), and the three are fixed into a whole in an integral casting mode; the upper part of the mounting plate (11) is positioned by using the same center reference according to the center of a large hole of a connecting rod body (16) and a connecting rod cover (17), three positioning pin mounting holes are calculated and arranged according to a planar coordinate 3-point centering type positioning reference, the centers of the large holes of the connecting rod body (16) and the connecting rod cover (17) are respectively used as the circle centers on the two sides of the mounting plate (11), three positioning block mounting holes are arranged along the half circle of the large hole end surfaces of the connecting rod body (16) and the connecting rod cover (17) according to the size of the large hole end surface, pressing plate supporting column mounting holes are respectively arranged on the outer sides of the positioning block mounting holes on the two sides, and two groups of aligning block mounting grooves and positioning threaded holes are arranged on the top of the mounting plate (11) by using the centers of the; the feeler block (2) is arranged in a feeler block mounting groove at the top of the mounting plate (11) and is fixed on a positioning threaded hole of the mounting plate (11) through a bolt; the positioning pins (3) are three bamboo joint type positioning pins, the positioning pins (3) are arranged in three positioning pin mounting holes in the mounting plate (11), three sections of bosses are arranged on the shaft diameter of the positioning pins (3), the shaft diameter of the middle section of boss is long and is mounted in the positioning pin mounting holes, the protruding shaft diameters of the two ends are short and are symmetrically arranged and protrude out of the two sides of the mounting plate (11); the six positioning blocks (4) are respectively and symmetrically fixed in positioning block mounting holes on two sides of the mounting plate (11) in a group of three positioning blocks; the three fine-adjustment devices (5) are arranged on one side of the mounting plate (11) of the mounting connecting rod body (16), one fine-adjustment device is arranged right below the middle positioning pin (3) on the mounting plate (11), and the other two fine-adjustment devices (5) are respectively and symmetrically arranged on two sides of the position of the connecting rod arm fixed on the mounting connecting rod body (16); the adjusting nuts (8) are respectively arranged on reinforcing ribs (12) with the same height as the device body (1) on one side of the connecting rod cover (17), and are fixed on the end faces of the reinforcing ribs (12) through bolts; the pressing plate supporting columns (7) respectively penetrate through the pressing plate supporting column mounting holes in the mounting plate (11) and are fixed on the mounting plate (11), and two ends of the pressing plate supporting columns extend out of two sides of the mounting plate (11).
2. The DF4D diesel locomotive connecting rod tooth part repairing, planing and milling combined device according to claim 1, wherein: the device body (1) on mounting panel (11) be the polygon flat board, the one end and base (10) of mounting panel (11) flush, the outer fringe of base (10) is stretched out in the other end slope, at the top of mounting panel (11), the upper portion of every locating pin mounting hole of perpendicular to is provided with the plug hole of fixed locating pin (3), on the upper portion of middle locating pin mounting hole, sets up bolt through-hole (15) of an installation clamp plate (9).
3. The DF4D diesel locomotive connecting rod tooth part repairing, planing and milling combined device according to claim 1, wherein: the device body (1) on two sets of strengthening ribs (12), wherein the height difference of a set of strengthening rib (12) in mounting panel (11) both sides, set up the one end that inclines in mounting panel (11), the one side of low one end at installation connecting rod body (16), the highly uniform of another group strengthening rib (12), and equal height with the one end that preceding a set of height, its height size satisfies adjusting nut (8) and has the space of adjustment to the profile of tooth pitch circle height of connecting rod lid (17) after connecting rod lid (17) installation, and the distance between the equal height one side strengthening rib (12) corresponds with the installation distance of connecting rod lid (17).
4. The DF4D diesel locomotive connecting rod tooth part repairing, planing and milling combined device according to claim 1, wherein: the tool setting blocks (2) are two groups of replaceable tool setting blocks, one group is a left connecting rod body tool setting block and a right connecting rod body tool setting block, the other group is a left connecting rod cover tool setting block and a right connecting rod cover tool setting block, each tool setting block (2) is provided with a mark, and after each group of tool setting blocks (2) are installed on the installation plate (11), the tooth shape position on each tool setting block (2) is consistent with the left tooth shape position and the right tooth shape position after the connecting rod body (16) or the connecting rod cover (17) is clamped.
5. The DF4D diesel locomotive connecting rod tooth part repairing, planing and milling combined device according to claim 1, wherein: the positioning pin (3) is designed according to the size of a positioning pin mounting hole in the mounting plate (11), a platform for fixing the positioning pin (3) on the mounting plate (11) is arranged on the boss shaft diameter of the middle long section, the positioning pin (3) is three short protruding shaft diameters protruding from two sides of the mounting plate (11), the size of an excircle circle of the three short protruding shaft diameters is matched with the size of a large hole of the connecting rod, and the three short protruding shaft diameters are used for positioning the large holes of the connecting rod body (16) and the connecting rod cover (17) and are guaranteed to be the same central reference.
6. The DF4D diesel locomotive connecting rod tooth part repairing, planing and milling combined device according to claim 1, wherein: the positioning blocks (4) are provided with bolt holes, and after the positioning blocks (4) are installed on two sides of the mounting plate (11), the height of each side is equal to the height of each side, and the positioning blocks are used for positioning the large hole end faces of the connecting rod body (16) or the connecting rod cover (17).
7. The DF4D diesel locomotive connecting rod tooth part repairing, planing and milling combined device according to claim 1, wherein: fine setting device (5) including fixed block (13) and adjusting bolt (14), fixed block (13) are L shape structure, the L shape bottom surface passes through the bolt fastening to one side of mounting panel (11), L shape riser center sets up an adjusting bolt (14), fine setting device (5) under middle locating pin (3), its circle central dimension apart from three locating pin (3) place is greater than the radius size of connecting rod body (16) macropore outer fringe, the space allowance of adjustment is highly had to the profile of tooth pitch circle of connecting rod body (16) to the assurance.
8. The DF4D diesel locomotive connecting rod tooth part repairing, planing and milling combined device according to claim 1, wherein: the adjusting nut (8) is arranged at the distance between the equal-height reinforcing ribs (12) on one side, corresponds to the symmetrical size of the tooth parts on the two sides of the connecting rod cover (17), and has the function of adjusting the pitch line height of the left tooth part and the right tooth part of the connecting rod cover (17).
9. The DF4D diesel locomotive connecting rod tooth part repairing, planing and milling combined device according to claim 1, wherein: the pressing plate supporting columns (7) are long cylindrical, the lengths of the pressing plate supporting columns (7) extending out of the two sides of the mounting plate (11) are respectively greater than the thicknesses of the end faces of the two sides of the large holes of the connecting rod body (16) and the connecting rod cover (17), and the pressing plate is used for quickly positioning the pressing plate (9) and pressing the connecting rod body (16) or the connecting rod cover (17).
10. The DF4D diesel locomotive connecting rod tooth part repairing, planing and milling combined device according to claim 1, wherein: the pressing plate (9) is two rectangular flat plates, two through holes (18) for connecting the pressing plate supporting columns (7) and a connecting bolt through hole (19) for pressing are formed in the pressing plate (9), the pressing plate (9) penetrates through the pressing plate supporting columns (7) on the two sides of the mounting plate (11) respectively when the connecting rod body (16) and the connecting rod cover (17) are repaired and machined, and the pressing plate (9) is pressed on the connecting rod body (16) and the connecting rod cover (17) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137132.XU CN211889698U (en) | 2020-01-21 | 2020-01-21 | Restoring, planing and milling combined device for DF4D diesel locomotive connecting rod tooth part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137132.XU CN211889698U (en) | 2020-01-21 | 2020-01-21 | Restoring, planing and milling combined device for DF4D diesel locomotive connecting rod tooth part |
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| Publication Number | Publication Date |
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| CN211889698U true CN211889698U (en) | 2020-11-10 |
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| CN202020137132.XU Active CN211889698U (en) | 2020-01-21 | 2020-01-21 | Restoring, planing and milling combined device for DF4D diesel locomotive connecting rod tooth part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977325A (en) * | 2020-01-21 | 2020-04-10 | 中车洛阳机车有限公司 | Restoring, planing and milling combined device for DF4D diesel locomotive connecting rod tooth part |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977325A (en) * | 2020-01-21 | 2020-04-10 | 中车洛阳机车有限公司 | Restoring, planing and milling combined device for DF4D diesel locomotive connecting rod tooth part |
| CN110977325B (en) * | 2020-01-21 | 2024-06-21 | 中车洛阳机车有限公司 | DF4D diesel locomotive connecting rod tooth repair planing and milling combined device |
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