Flange spline automatic butt joint structure of automobile high rotation speed off-line test bench

Abstract

The utility model discloses a flange spline automatic butt joint structure of an automobile high rotation speed off-line test bench, which relates to the technical field of new energy automobile high rotation speed off-line test benches and comprises a bearing seat support, a high speed bearing seat, a coupler, a spline shaft, an end face flange, a butt joint quick change cylinder and an auxiliary support cylinder. According to the utility model, the spline shaft and the end face flange can be quickly and accurately butted by matching the floating ejector rod with the sliding sleeve and the locking steel ball, compared with manual installation of the process flange, the process of manual installation of the process flange is saved, the takt time is saved, the automation rate of a test machine tool is further improved, and the test efficiency is improved. Meanwhile, the number of process flange parts as many as the trays can be reduced, and the cost is saved; according to the utility model, the problem that the existing end face flange structure cannot be automatically butted is solved, and the defect that test butting can be carried out only by manually disassembling and assembling a process flange and switching a butting mode is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile high -speed off line test bench technical field, concretely is a kind of flange spline automatic docking structure of automobile high -speed off line test bench. BACKGROUND

[0002] In the process of testing workpiece using new energy automobile high -speed off line test bench, the docking of high-speed shaft string and workpiece is extremely important, and the output structure of workpiece shaft determines the form of test bench docking process, and the common output form of workpiece includes internal spline shaft, external spline shaft, end face flange etc.;And for workpiece using end face flange connection, since the height size of key on end face flange is limited, it is difficult to connect stably. To ensure the stability of connection during testing, in the prior art, process flange needs to be used for connection, and end face key connection is converted into spline shaft and spline sleeve connection mode, but process flange needs to be configured on each test tray, and before testing, process flange is manually installed on the end face flange of workpiece, and screw is fastened, after testing, process flange needs to be manually disassembled, this mode adds a connection link, and process flange parts matched with tray quantity need to be increased;But such connection mode is time-consuming and labor-consuming, and the efficiency is low, and it is difficult to quickly achieve the effect of accurate docking. SUMMARY

[0003] The utility model aims at providing a kind of flange spline automatic docking structure of automobile high -speed off line test bench, to solve the problem of the above background art that the end face flange of workpiece cannot be automatically docked, and when using process flange, it needs to rely on manual disassembly process flange, and only by converting docking mode can testing be carried out.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a flange spline automatic butt joint structure of automobile high -speed off -line test bench, including bearing seat support and setting up high -speed bearing seat on its top surface, the axle rod front end of high -speed bearing seat is connected with spline shaft through the shaft coupling, and is connected with the end face flange of work piece through spline shaft, the left side of bearing seat support is provided with butt joint quick -change air cylinder through the support of lower middle part, is provided with auxiliary support air cylinder through the support of middle part, the axle core place of high -speed bearing seat is provided with high -speed main shaft in transverse horizontal, is provided with coaxial shaft coupling right flange and is connected with coaxial shaft coupling of card mounting in high -speed main shaft's front end, spline shaft includes transverse horizontal setting spline shaft main shaft, spline shaft main shaft's right end is provided with coaxial shaft coupling left flane, and left end is provided with end face flange connecting portion, and the coaxial shaft coupling left flane is connected with the shaft coupling of card mounting, end face flange connecting portion includes rectangular spring of embedding setting in spline shaft main shaft left end axle core place and is provided with rectangular spring seat in its left end, the diameter of rectangular spring seat is greater than the diameter of spline shaft main shaft and is provided with a plurality of through -holes on the outside same circumference of spline shaft main shaft, and is connected with the butt flange sleeve of setting in the outside of spline shaft main shaft through through -hole using bolt, and is provided with the butt flange of radially extending to the outside left end, the right end of butt flange sleeve is provided with the limiting baffle of radially extending to the inside, four slide sleeves are evenly provided on the same circumference of butt flange, and each slide sleeve can penetrate end face flange and extend to the other side, and the locking steel ball of embedding setting is provided in the other side of slide sleeve in end face flange, and is provided with the jack in each slide sleeve, and is connected with end face flange through four jacks.

[0005] Preferably, the bearing seat support includes a horizontally arranged rectangular support bottom plate and a support top plate, and vertical support side plates are arranged along the four edges of the support bottom plate and the support top plate, and the high-speed bearing seat is arranged on the top surface of the support top plate; the left side surface of the left side support side plate is provided with a cylinder support near the middle of the lower edge, and a butt quick-change cylinder is arranged on the left end of the cylinder support, and an auxiliary cylinder support is arranged near the middle of the cylinder support, and an auxiliary support cylinder is arranged on the left end of the auxiliary cylinder support.

[0006] Preferably, the shaft coupling can be a diaphragm coupling, a bellows coupling, or a ball-cage universal joint.

[0007] Preferably, a jack locking mounting disc extending radially outward is arranged at the middle of the spline shaft main shaft, and an annular guide groove is arranged on the left side of the jack locking mounting disc.

[0008] Preferably, a plurality of balance holes are arranged on the same circumference on the side surface opposite to the shaft coupling of the shaft coupling right flange and the shaft coupling left flange, and a counterweight can be additionally arranged in each balance hole.

[0009] Preferably, the shaft center of the coupling right flange and the coupling left flange is provided with an inner recess spring clamping groove, and reset springs are arranged in the two spring clamping grooves; the spline shaft main shaft is provided with a limiting guide pipe outside the spring clamping groove; the spline shaft main shaft is sleeved with a locking guide pipe outside.

[0010] Preferably, the limiting baffle is clamped in the annular guide groove and can move axially; four through holes coaxial with the sliding sleeve are arranged on the top rod locking mounting disc, and a top rod penetrates through the through holes, top rod stoppers protruding radially outward are arranged on the left and right sides of the top rod locking mounting disc, and a top rod spring is sleeved between the top rod stopper on the left side and the left side surface of the top rod locking mounting disc.

[0011] Preferably, the center of the end face flange is provided with a flange shaft hole, and four locking through holes coaxial with the sliding sleeve are arranged on the end face flange and can make the sliding sleeve penetrate through.

[0012] Preferably, the top end of the piston shaft rod of the butt joint quick-change air cylinder is provided with a butt joint support plate and an arc-shaped support plate with a circular-arc-shaped notch on the top surface of the butt joint support plate, and the arc-shaped support plate is supported at the bottom edge of the top rod locking mounting disc.

[0013] Preferably, the top end of the piston shaft rod of the auxiliary support air cylinder is provided with an auxiliary support plate and two auxiliary rollers are mounted on the side surface of the vertical support plate on the top surface of the auxiliary support plate through two bolts, and the two auxiliary rollers are commonly supported on the bottom surface of the spline shaft.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses the cooperation of floating top rod and sliding sleeve and locking steel ball can complete the butt joint of spline shaft and end face flange quickly and accurately, compared with manual installation process flange, saves the process of manual installation process flange, saves the tact time, and the automatic rate of testing machine is further improved, and the number of process flange parts can be reduced simultaneously with the same number of pallets, and the cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an axonometric view;

[0017] Figure 2 It is Figure 1 Structural schematic view;

[0018] Figure 3 It is Figure 2 Front view;

[0019] Figure 4 For Figure 3 Sectional view of A-A in the middle;

[0020] Figure 5 For Figure 3 Enlarged view of B in the middle;

[0021] Figure 6 For Figure 4 Enlarged view of C in the middle;

[0022] Figure 7 For Figure 4 Enlarged view of D in the middle;

[0023] Figure 8 For end face flange schematic diagram;

[0024] In the figure: bearing seat support-1, support bottom plate-11, support side plate-12, support top plate-13, cylinder support-14, auxiliary cylinder support-15, high-speed bearing seat-2, high-speed main shaft-21, coupling right flange-22, balance hole-23, spring clamping groove-24, reset spring-25, limiting guide pipe-26, locking guide pipe-27, coupling-3, spline shaft-4, spline shaft main shaft-41, coupling left flange-42, end face flange connection-43, rectangular spring-431, rectangular spring seat-432, butt flange sleeve-433, limiting baffle-434, butt flange-435, sliding sleeve-436, locking steel ball-437, jacking rod-438, jacking rod stop block-439, jacking rod spring-430, jacking rod locking mounting disc-44, annular guide groove-45, end face flange-5, flange shaft hole-51, locking through hole-52, butt quick-change cylinder-6, butt support plate-61, arc-shaped support plate-62, auxiliary support cylinder-7, auxiliary support plate-71, auxiliary roller-72. DETAILED DESCRIPTION

[0025] In order for those skilled in the art to better understand the technical scheme of the utility model, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings and specific embodiments.

[0026] Please refer to Figures 1-8 , Figure 1 Isometric view; Figure 2 For Figure 1 Structural schematic diagram; Figure 3 For Figure 2 Front view; Figure 4 For Figure 3 Sectional view of A-A in the middle; Figure 5 For Figure 3 Enlarged view of B in the middle; Figure 6 For Figure 4 Enlarged view of C in the middle;Figure 7 For Figure 4 Close-up view of D; Figure 8 For end flange schematic diagram.

[0027] The utility model provides a kind of flange spline automatic butt joint structure of automobile high speed offline test bench, including bearing seat support 1, and high-speed bearing seat 2 is provided on its top surface, the shaft rod front end of high-speed bearing seat 2 is connected with spline shaft 4 by coupling 3, and is connected with the end flange 5 of workpiece by spline shaft 4.

[0028] The bearing seat support 1 includes the horizontally arranged support base plate 11, the support side plate 12 perpendicular to the support base plate 11 is arranged on the top surface of the support base plate 11 along the four edges, the horizontal rectangular support top plate 13 is arranged on the top surface of the four support side plates 12, and the high-speed bearing seat 2 is arranged on the top surface of the support top plate 13; the left side surface of the left support side plate 12 is provided with a cylinder support 14 near the lower edge, and a vertical upward butt joint quick-change cylinder 6 is arranged at the left end of the cylinder support 14, and an auxiliary cylinder support 15 is arranged near the middle of the left support side plate 12, and a vertical upward auxiliary support cylinder 7 is arranged at the left end of the auxiliary cylinder support 15.

[0029] The high-speed bearing seat 2 is provided with a high-speed spindle 21 transversely and horizontally penetrating the shaft center, a coaxial coupling right flange 22 is arranged at the front end of the high-speed spindle 21, and a coaxial coupling 3 is clamped and connected, and a coaxial spline shaft 4 is clamped and arranged at the left side of the coupling 3.

[0030] The coupling 3 can be a diaphragm coupling, a corrugated pipe coupling or a ball cage universal joint.

[0031] The spline shaft 4 includes a transversely and horizontally arranged spline shaft spindle 41, a coaxial coupling left flange 42 is arranged at the right end of the spline shaft spindle 41, and the coupling left flange 42 is clamped and connected with the coupling 3; an end flange connecting portion 43 is arranged at the left end of the spline shaft spindle 41, for coaxial linkage with the end flange 5; a top rod locking mounting disc 44 is arranged at the middle of the spline shaft spindle 41, which extends radially outward, and an annular guide groove 45 is arranged at the left side of the spline shaft spindle 41, which is radially concave.

[0032] The right flange 22 and the left flange 42 of the coupling are provided with a plurality of balance holes 23 on the same circumference on the side opposite to the coupling 3, and a counterweight can be installed in each balance hole 23; the shaft center of the right flange 22 and the left flange 42 is provided with a concave spring clamping groove 24, and a return spring 25 is arranged in the spring clamping groove 24; the spline shaft main shaft 41 is provided with a limiting guide pipe 26 outside the spring clamping groove 24, which is used to assist the coaxial connection of the right flange 22 and the left flange 42; the spline shaft main shaft 41 is further provided with a locking guide pipe 27 for fixing the limiting guide pipe 26.

[0033] The end face flange connection part 43 includes a rectangular spring 431 embedded at the left end shaft center of the spline shaft main shaft 41, and the left end of the rectangular spring 431 is provided with a rectangular spring seat 432, the diameter of the rectangular spring seat 432 is greater than the diameter of the spline shaft main shaft 41 and is provided with a plurality of through holes on the same circumference outside the spline shaft main shaft 41, and a butt flange sleeve 433 is connected by through holes using bolts, the butt flange sleeve 433 is provided with a limiting baffle 434 extending radially inward at the right end, and the limiting baffle 434 is clamped in the annular guide groove 46 and can move axially, the butt flange sleeve 433 is provided with a butt flange 435 extending radially outward at the left end, four sliding sleeves 436 are uniformly arranged on the same circumference of the butt flange 435, each sliding sleeve 436 can penetrate the end face flange 5 and extend to the other side, and the sliding sleeve 436 is provided with an embedded locking steel ball 437 on the other side of the end face flange 5; a jack 438 is arranged in each sliding sleeve 436, and the four jacks 438 are connected with the end face flange 5; the top rod locking mounting disc 44 is provided with four through holes coaxial with the sliding sleeve 436 and penetrating the jacks 438, the jacks 438 are provided with jack stoppers 439 protruding radially outward on the left and right sides of the top rod locking mounting disc 44, and a jack spring 430 is sleeved between the left jack stopper 439 and the left side of the top rod locking mounting disc 44.

[0034] The center of the end face flange 5 is provided with a flange shaft hole 51 for connecting with the main shaft of the workpiece, and the end face flange 5 is further provided with four locking through holes 52 coaxial with the sliding sleeve 436, and the sliding sleeve 436 can penetrate through.

[0035] The top end of the piston shaft of the butt quick-change air cylinder 6 is provided with a butt support plate 61, and the top surface of the butt support plate 61 is provided with an arc-shaped support plate 62 with a circular arc-shaped notch, and the arc-shaped support plate 62 is supported at the bottom edge of the top rod locking mounting disc 44.

[0036] The top end of the piston shaft of the auxiliary support cylinder 7 is provided with an auxiliary support plate 71, the side surface of the vertical support plate on the top surface of the auxiliary support plate 71 is provided with two auxiliary rollers 72 through two bolts, and the two auxiliary rollers 72 are commonly supported on the bottom surface of the spline shaft 4, so as to support the spline shaft 4.

[0037] In use, the sliding sleeve 436 is inserted into the locking through hole 52 of the end face flange of the workpiece until the butt flange 435 is attached to the end face flange 5, and then the spline shaft main shaft 41 continues to move to the workpiece direction and compresses the rectangular spring 431, and the compression of the rectangular spring 431 drives the compression of the ejector rod spring 430, so that the ejector rod spring 430 drives the ejector rod 438 to move to the workpiece, and the front end of the ejector rod 438 is inserted into the sliding sleeve 436 and ejects the locking steel ball 437 outward, at this time, the end face flange 5 is locked and fixed through the locking steel ball 437, so that the locking and fixing between the high-speed bearing seat and the workpiece is completed; after the locking and fixing is completed, the test operation is started.

[0038] After the test is completed, the spline shaft main shaft 41 is retracted backward, and the butt flange 435 remains stationary under the action of the rectangular spring 431, and the ejector rod 438 is retracted backward at the same time, and after the locking steel ball 437 becomes free state with the ejector rod 438 being extracted, the connection between the end face flange of the workpiece is completely separated from the spline shaft main shaft 41 continues to retract backward.

[0039] The floating ejector rod, the sliding sleeve and the locking steel ball are matched to quickly and accurately butt joint the spline shaft and the end face flange, compared with the manual installation process flange, the process of manually installing the process flange is saved, the tact time is saved, the automation rate of the testing machine is further improved, the number of process flange parts is reduced, and the cost is saved; the utility model solves the problem that the end face flange structure cannot be automatically butt jointed, and makes up for the defect that the process flange needs to be manually disassembled and converted to butt joint for testing.

[0040] Although the embodiments of the utility model have been shown and described, it is obvious that the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, those skilled in the art can understand that all other embodiments obtained by various changes, modifications, replacements and modifications of these embodiments without departing from the principles and spirits of the utility model, under the premise of not making creative labor, belong to the protection scope of the utility model.

Claims

1. A flange key automatic docking structure for a high-speed vehicle off-line test bench, characterized by: The utility model provides a bearing pedestal support (1) and is provided with high speed bearing pedestal (2) on its top surface, the axle rod front end of high speed bearing pedestal (2) is connected with spline shaft (4) through coupling (3), and is connected with the end face flange (5) of workpiece through spline shaft (4);The left side of bearing pedestal support (1) is provided with butt joint quick change air cylinder (6) through the support of lower middle part, is provided with auxiliary support air cylinder (7) through the support of middle part;The axle center of high speed bearing pedestal (2) is provided with high speed main shaft (21) and is transversely horizontally arranged, is provided with coaxial coupling right flange (22) and is clamped and is connected with coaxial coupling (3) in the front end of high speed main shaft (21);Spline shaft (4) includes transversely horizontally arranged spline shaft main shaft (41), and the right end of spline shaft main shaft (41) is provided with coaxial coupling left flange (42), and the left end is provided with end face flange connecting portion (43), and coupling left flange (42) is clamped and is connected with coupling (3);End face flange connecting portion (43) includes rectangular spring (431) and is embedded in the axle center of spline shaft main shaft (41) left end and is provided with rectangular spring seat (432) in its left end, and the diameter of rectangular spring seat (432) is greater than the diameter of spline shaft main shaft (41) and is provided with a plurality of through holes on the outside same circumference of spline shaft main shaft (41), and is connected with the sleeve flange sleeve pipe (433) of setting in the outside of spline shaft main shaft (41) through bolt through hole, is provided with butt flange (435) that stretches out to the outside in radial direction in left end, and the right end of butt flange sleeve pipe (433) is provided with the limiting baffle (434) that stretches out to the inside in radial direction, and four slide sleeves (436) are evenly arranged on the same circumference of butt flange (435), and each slide sleeve (436) can penetrate end face flange (5) and stretch out to the other side, and the slide sleeve (436) is embedded in the setting of locking steel ball (437) on the other side of end face flange (5);Each slide sleeve (436) is provided with jack (438), and is connected with end face flange (5) through four jacks (438).

2. The flange spline automatic butt joint structure of the automobile high-rotating-speed off-line test bench according to claim 1, characterized in that: The bearing pedestal support (1) includes a rectangularly arranged horizontal support bottom plate (11) and a support top plate (13), and a vertical support side plate (12) is arranged along each of the four edges between the support bottom plate (11) and the support top plate (13), and the high speed bearing pedestal (2) is arranged on the top surface of the support top plate (13); The left side surface of the left side support side plate (12) is provided with a cylinder support (14) near the middle of the lower edge, and the butt joint quick change air cylinder (6) is arranged on the left end of the cylinder support (14) vertically upward, and the auxiliary cylinder support (15) is arranged near the middle of the left side support side plate (12), and the auxiliary support air cylinder (7) is arranged on the left end of the auxiliary cylinder support (15) vertically upward.

3. The flange spline automatic butt joint structure of the automobile high-rotating-speed off-line test bench according to claim 2, characterized in that: The coupling (3) can be a diaphragm coupling, a bellows coupling, or a ball cage universal joint.

4. The flange spline automatic butt joint structure of the automobile high-rotating-speed off-line test bench according to claim 3, characterized in that: The middle of the spline shaft main shaft (41) is provided with a radial outwardly extending ejector rod locking mounting disc (44), and the spline shaft main shaft (41) is provided with a radially inwardly recessed annular guide groove (45) on the left side of the ejector rod locking mounting disc (44).

5. The flange spline automatic butt joint structure of the automobile high-rotating-speed off-line test bench according to claim 4, characterized in that: The coupling right flange (22) and the coupling left flange (42) are provided with a plurality of balance holes (23) on the same circumference on the side opposite to the coupling (3), and a counterweight can be added in each balance hole (23).

6. The flange spline automatic butt joint structure of the automobile high-rotating-speed off-line test bench according to claim 5, characterized in that: The axial center of the coupling right flange (22) and the coupling left flange (42) are provided with an inwardly recessed spring clamping groove (24), and a return spring (25) is arranged in the two spring clamping grooves (24); the spline shaft main shaft (41) is provided with a limiting guide pipe (26) on the outside of the spring clamping groove (24); and the spline shaft main shaft (41) is sleeved with a locking guide pipe (27) on the outside.

7. The flange spline automatic butt joint structure of the automobile high-rotating-speed off-line test bench according to claim 6, characterized in that: The limiting baffle (434) is clamped in the annular guide groove (45) and can move axially; the ejector rod locking mounting disc (44) is provided with four through holes coaxial with the sliding sleeve (436) and is provided with an ejector rod (438) penetrating through; the ejector rod (438) is provided with a radially outwardly protruding ejector rod stop block (439) on the left and right sides of the ejector rod locking mounting disc (44), and an ejector rod spring (430) is sleeved between the ejector rod stop block (439) on the left side and the left side surface of the ejector rod locking mounting disc (44).

8. The flange spline automatic butt joint structure of the automobile high-rotating-speed off-line test bench according to claim 7, characterized in that: The center of the end face flange (5) is provided with a flange shaft hole (51), and the end face flange (5) is provided with four locking through holes (52) coaxial with the sliding sleeve (436) and allowing the sliding sleeve (436) to penetrate through.

9. The automatic flange spline butt joint structure of the automobile high-rotation-speed off-line test bench according to any one of claims 1-8, characterized in that: The top end of the piston shaft rod of the butt joint quick change air cylinder (6) is provided with a butt joint support plate (61) and an arc-shaped support plate (62) with a circular arc-shaped notch on the top surface thereof, and the arc-shaped support plate (62) is supported at the bottom edge of the ejector rod locking mounting disc (44).

10. The automatic flange spline butt joint structure of the automobile high-rotation-speed off-line test bench according to any one of claims 1-8, characterized in that: The top end of the piston shaft rod of the auxiliary support air cylinder (7) is provided with an auxiliary support plate (71), and two auxiliary rollers (72) are mounted on the side surface of the vertical support plate on the top surface thereof through two bolts, and the two auxiliary rollers (72) are commonly supported on the bottom surface of the spline shaft (4). The top end of the piston shaft rod of the butt joint quick change air cylinder (6) is provided with a butt joint support plate (61) and an arc-shaped support plate (62) with a circular arc-shaped notch on the top surface thereof, and the arc-shaped support plate (62) is supported at the bottom edge of the ejector rod locking mounting disc (44). The top end of the piston shaft rod of the auxiliary support air cylinder (7) is provided with an auxiliary support plate (71), and two auxiliary rollers (72) are mounted on the side surface of the vertical support plate on the top surface thereof through two bolts, and the two auxiliary rollers (72) are commonly supported on the bottom surface of the spline shaft (4).

Images