CN102418637B - Four-cycle diesel Test-bed for pump cam crank signal phase simulator - Google Patents
Four-cycle diesel Test-bed for pump cam crank signal phase simulator Download PDFInfo
- Publication number
- CN102418637B CN102418637B CN201110246421.9A CN201110246421A CN102418637B CN 102418637 B CN102418637 B CN 102418637B CN 201110246421 A CN201110246421 A CN 201110246421A CN 102418637 B CN102418637 B CN 102418637B
- Authority
- CN
- China
- Prior art keywords
- pump
- coupling
- screw
- support
- dish
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to a kind of four-cycle diesel Test-bed for pump cam crank signal phase simulator, support (1) is connected with test stand (29), axle (2) is arranged on support (1), crank phase dish (3) and bearing (18) are arranged on axle (2), small pulley (15) is connected with crank phase dish (3), pump (28) is provided with pump shaft (33), cam phase dish (5), coupling (7), large belt wheel (16) is arranged on pump shaft (33), coupling (7) and cam phase dish (5), large belt wheel (16) connects, small pulley (15) is connected by Timing Belt (4) with large belt wheel (16), test stand main shaft (32) is arranged on test stand (29), shaft coupling (8) is arranged on test stand main shaft (32), coupling (7), shaft coupling (8) is connected with drive chuck (6) respectively.Four-cycle diesel cam crank signal phase and speed of crankshaft can simulate out at Test-bed for pump by the present invention truly, are convenient to control system software and hardware function, performance adjustment.
Description
Technical field
The invention belongs to Electronic Control for Fuel Injection System of Diesel Engine test field, be specifically related to a kind of four-cycle diesel Test-bed for pump cam crank signal phase simulator.
Background technique
The application of high pressure fuel injection system of new generation in diesel engine such as electronically controlled unit pump, common rail system, electrically-controlled pump nozzle, electronic control dispensing pump have become industry development main trend, and R&D competetion is very fierce.And these high-pressure injection systems all will gather cam crank phase place and rotating speed in control procedure, automatical control system and oil-fired system are badly in need of the device of a set of energy simulated engine cam crank phase place real-time status in Test-bed for pump uniting and adjustment and process of the test, to realize the test of control system advance angle, oil injection duration, injection rate, and automatical control system software and hardware function, performance test.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of four-cycle diesel Test-bed for pump cam crank signal phase simulator, this apparatus structure is simple, easy to adjust, four-cycle diesel cam crank signal phase and speed of crankshaft can be simulated out at Test-bed for pump truly, be convenient to control system software and hardware function, performance adjustment, realize cam crank Phase Continuation adjustable, compatibility test platform dial can realize the adjustment of phase place high precision.
Technological scheme of the present invention: a kind of four-cycle diesel Test-bed for pump cam crank signal phase simulator, it comprises support, axle crank phase dish, Timing Belt, cam phase dish, drive chuck, coupling, shaft coupling, pressing plate, T-shaped block, cushion block, the solid screw in top, first fixed arm, second fixed arm, small pulley, large belt wheel, Hall transducer, bearing, first screw, first bullet pad, first plain cushion, second screw, second bullet pad, second plain cushion, 3rd screw, 3rd plain cushion, 3rd bullet pad, pump, test stand, dial, organic calibrated scale, test stand main shaft, pump shaft, pulling block, stretching screw, screw rod, nut, the table top of test stand is provided with T-slot, and T-shaped block is arranged in described T-slot, and support passes through pressing plate, T-shaped block, cushion block, second screw, second bullet pad, second plain cushion is connected with test stand, and axle is arranged on support, the first fixed arm, second fixed arm is by the first screw, first bullet pad, first plain cushion is arranged on support, the first fixed arm, second fixed arm is respectively arranged with Hall transducer, and the solid screw in top is arranged on the probe of Hall transducer, and crank phase dish and bearing are arranged on axle, and small pulley is by the 3rd screw, 3rd plain cushion, 3rd bullet pad, nut is connected with crank phase dish, and pump is provided with pump shaft, cam phase dish, coupling, large belt wheel is arranged on pump shaft, and coupling is by the first screw, first bullet pad, first plain cushion and cam phase dish, large belt wheel connects, and small pulley is connected by Timing Belt with large belt wheel, and the gear ratio of large belt wheel and small pulley is set to 2:1, and test stand main shaft is arranged on test stand, and shaft coupling is arranged on test stand main shaft, coupling, shaft coupling is connected with drive chuck respectively, dial, organic calibrated scale is arranged on test stand, and pulling block is connected with support by screw rod, and stretching screw is arranged on pulling block.
Described support is L-shaped, and the bottom of support is provided with rectangle seat, and rectangle seat end is provided with tapped hole, and pulling block is connected with support by tapped hole, and frame upper is provided with tapped hole, and cradle top is provided with unthreaded hole.
The wheel disc periphery of described crank phase dish arranges rectangular teeth; Described cam phase dish arranges rectangular teeth, uniformly on crank phase dish and cam phase dish is provided with lightening hole, crank phase disk center is provided with circular hole, and Circularhole diameter is greater than bearing outside diameter, and circular hole periphery is provided with three unthreaded holes.
Described small pulley cylindrical is provided with synchronous gear, and center is circular hole, is respectively equipped with bearing step hole at circular hole two ends, and a bearing is respectively equipped with at small pulley two ends.
Described axle mid diameter is greater than two ends diameter, forms two positioning steps, and in axle one end press-in support corresponding aperture, hole axle is interference fit, and with step axially locating, the axle the other end is screw thread, has step in thread root tool withdrawal groove side.
Described coupling one end is arranged with two protruding the first transmissions and grabs, transmission is grabbed and the grafting of drive chuck corresponding groove, described transmission is grabbed on the cylinder that depends on four step cylinders, after cam phase dish is inserted in cylinder, first step plays axially locating, second step plays radial location, cylinder and cam phase disk hole are Spielpassung, length of bench is less than cam phase disc thickness, large belt wheel is inserted in the 3rd step, in Spielpassung, 3rd length of bench is less than 1/3 of large belt wheel thickness, large belt wheel end face is a little more than coupling the 4th step end face, 4th step end face is provided with 3 uniform tapped holes near edge, the little head end center of coupling is provided with the conical surface, the conical surface is provided with keyway, coupling is connected with pump shaft by keyway, pump shaft axle head passes through fastening nuts.
Described shaft coupling one end is arranged with two protruding the second transmissions and grabs, second transmission is grabbed and is connected with drive chuck corresponding groove, the other end center is provided with the conical surface, the conical surface is provided with keyway, test stand main shaft is provided with woodruff key, shaft coupling is connected with test stand main shaft by keyway, test stand main-axis end fastening nuts.
Described drive chuck is pie, centre is provided with manhole, and side is provided with symmetrical two the first draw-in grooves, and opposite side is also provided with two similar the second draw-in grooves of shape, first draw-in groove and the second draw-in groove midplane orthogonal, described drive chuck material is fabroil.
The first described fixed arm, the second fixed arm profile are zigzag, and the first fixed arm, the second end, fixed arm one end are provided with oval elongated hole, and the other end is provided with circular hole, and Circularhole diameter is greater than Hall transducer probe diameter, and top is provided with tapped hole.
Be provided with tapped hole in the middle part of described T-shaped block, tapped hole bottom is provided with unthreaded hole.
Described pressing plate is rectangular, and the head of pressing plate is oblique angle, and middle part is oval elongated slot.
Described cushion block is cuboid, and its height is equal with the rectangle seat of support.
The present invention compared with prior art has following beneficial effect: four-cycle diesel cam crank signal phase and speed of crankshaft can be simulated out at Test-bed for pump truly by this device, is convenient to control system software and hardware function, performance adjustment.Save the part expense that diesel engine is debugged, simultaneously because Test-bed for pump is controlled, development phase control system software and hardware can have been avoided immature and the diesel engine that causes damages.This apparatus structure is simple, easy to adjust, can realize cam crank Phase Continuation adjustable, and compatibility test platform dial can realize the adjustment of phase place high precision.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is another kind of structural representation of the present invention;
Fig. 3 is the zoomed-in view that pulling block is connected with support;
Fig. 4 is the structural representation of axis of the present invention;
Fig. 5 is the cutting structural representation of coupling in the present invention;
Fig. 6 is the cutting structural representation of shaft coupling in the present invention;
Fig. 7 is the structural representation of drive chuck in the present invention;
Fig. 8 is the structural representation of the second fixed arm in the present invention;
Fig. 9 is the structural representation of medium-height trestle of the present invention;
Figure 10 is the structural representation of T-shaped block in the present invention;
Figure 11 is the structural representation of center platen of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
A kind of four-cycle diesel Test-bed for pump cam crank signal phase simulator, as Fig. 1, 2, shown in 3, it comprises support 1, axle 2, crank phase dish 3, Timing Belt 4, cam phase dish 5, drive chuck 6, coupling 7, shaft coupling 8, pressing plate 9, T-shaped block 10, cushion block 11, the solid screw 12 in top, first fixed arm 13, second fixed arm 14, small pulley 15, large belt wheel 16, Hall transducer 17, bearing 18, first screw 19, first bullet pad 20, first plain cushion 21, second screw 22, second bullet pad 23, second plain cushion 24, 3rd screw 25, 3rd plain cushion 26, 3rd bullet pad 27, pump 28, test stand 29, dial 30, organic calibrated scale 31, test stand main shaft 32, pump shaft 33, pulling block 34, stretching screw 35, screw rod 36, nut 37, the table top of test stand 29 is provided with T-slot, and T-shaped block 10 is arranged in described T-slot, and support 1 is by pressing plate 9, T-shaped block 10, cushion block 11, second screw 22, second bullet pad 23, second plain cushion 24 is connected with test stand 29, and axle 2 is arranged on support 1, the first fixed arm 13, second fixed arm 14 is by the first screw 19, first bullet pad 20, first plain cushion 21 is arranged on support 1, the first fixed arm 13, second fixed arm 14 is respectively arranged with Hall transducer 17, and the solid screw 12 in top is arranged on the probe of Hall transducer 17, and crank phase dish 3 and bearing 18 are arranged on axle 2, and small pulley 15 is by the 3rd screw 25, 3rd plain cushion 26, 3rd bullet pad 27, nut 37 is connected with crank phase dish 3, pump 28 is provided with pump shaft 33, cam phase dish 5, coupling 7, large belt wheel 16 is arranged on pump shaft 33, and coupling 7 is by the first screw 19, first bullet pad 20, first plain cushion 21 and cam phase dish 5, large belt wheel 16 connects, and small pulley 15 is connected by Timing Belt 4 with large belt wheel 16, and large belt wheel 16 is set to 2:1 with the gear ratio of small pulley 15, and test stand main shaft 32 is arranged on test stand 29, and shaft coupling 8 is arranged on test stand main shaft 32, coupling 7, shaft coupling 8 is connected with drive chuck 6 respectively, dial 30, organic calibrated scale 31 is arranged on test stand 29, and pulling block 34 is connected with support 1 by screw rod 36, and stretching screw 35 is arranged on pulling block 34.
As shown in Figure 9, described support 1 profile is L shape, and rectangle seat 50 is arranged at bottom, and there is tapped hole 51 rectangle seat 50 end, is connected with pulling block, for the tensioning of Timing Belt.Simultaneously rectangle seat 50 plays and supports and press solidly effect.Support 1 top has two tapped holes 52,53 to be used for fixing the first fixed arm 13, second fixed arm 14 respectively.Unthreaded hole 54 is arranged at support 1 top, for being connected with axle 2, adopts interference fit.Support 1 can arbitrarily movement on test stand 29, is fixed by pressing plate 9, cushion block 11, T-shaped block 10, screw 22, plain cushion 24, bullet pad 23.Test stand 29 table top has T-slot, and T-shaped block 10 is shifted onto from T-slot end along T-slot direction needs position.
The wheel disc periphery of described crank phase dish 3 is arranged rectangular teeth and special tooth, differentiate and tachometric survey for crank phase; Described cam phase dish 5 is arranged the special tooth of rectangular teeth, differentiate and tachometric survey for cam phase; Uniformly on crank phase dish 3 and cam phase dish 5 be provided with lightening hole, for reducing respective rotary inertia.Crank phase dish 3 center is provided with circular hole, and Circularhole diameter is greater than bearing 18 external diameter, and circular hole periphery is provided with three unthreaded holes, for being fixed with small pulley 15 by screw 25, plain cushion 26, bullet pad 27.。
Described small pulley 15 cylindrical is provided with synchronous gear, and center is circular hole, is respectively equipped with bearing step hole at circular hole two ends, and a bearing 18 is respectively equipped with at small pulley 15 two ends, and step hole has axially locating effect to bearing 18 outer ring.Three tapped holes are provided with, for being fixed together with crank phase dish 3 at bearing hole periphery.
As shown in Figure 4, described axle 2 mid diameter is greater than two ends diameter, form two positioning steps, in axle 2 one end press-in support 1 corresponding aperture, hole axle is interference fit, and with step axially locating, axle 2 the other end is screw thread, has step in thread root tool withdrawal groove side, when threadingly end assembles with bearing 18, small pulley 15, bullet pad 20, plain cushion 21, nut 37, plain cushion 21 side is pressed on step, plays barrier effect to bearing inner race simultaneously.
As shown in Figure 5, described coupling 7 one end is arranged with two protruding the first transmissions and grabs 39, 39 and the grafting of drive chuck 6 corresponding groove are grabbed in transmission, described transmission is grabbed on 39 cylinders depended on four step cylinders, after cam phase dish 5 is inserted in cylinder, first step, 40 axially locating, second step plays radial location, cylinder and cam phase dish 5 hole are Spielpassung, length of bench is less than cam phase dish 5 thickness, large belt wheel 16 is inserted in the 3rd step, in Spielpassung, 3rd length of bench is less than 1/3 of large belt wheel 16 thickness, large belt wheel 16 end face is a little more than coupling 7 the 4th step end face, 4th step end face is provided with 3 uniform tapped holes 38 near edge, three group of first plain cushion 21, first bullet pad 20, after first screw 19 is screwed into tapped hole, a plain cushion part is pressed in outstanding large belt wheel 16 inner port edge, by cam phase dish 5, large belt wheel 16 and coupling 7 are fixed on one, slightly pine three the first screws 19, cam phase dish 5, large belt wheel 16 can rotate continuously relative to coupling 7, require to realize continuous setup according to initial phase.The little head end center of coupling 7 is provided with the conical surface, and the conical surface is provided with keyway, and coupling 7 is connected with pump shaft 33 by keyway, and pump shaft 33 axle head passes through fastening nuts.
As shown in Figure 6, described shaft coupling 8 one end is arranged with two protruding the second transmissions and grabs 41, second transmission is grabbed 41 and is connected with drive chuck 6 corresponding groove, be used for transmitting torque, the other end center is provided with the conical surface 42, and the conical surface is provided with keyway 43, for being connected with test stand main shaft 32, test stand main shaft is provided with woodruff key, after shaft coupling 8 is inserted in test stand main shaft 32, and test stand main shaft 32 axle head nut screwing clamping.
As shown in Figure 7, described drive chuck 6 is in pie, centre is provided with manhole 46, side is provided with symmetrical two the first draw-in grooves 44, opposite side is also provided with two similar the second draw-in grooves 45 of shape, first draw-in groove 44 and the second draw-in groove 45 midplane orthogonal, drive chuck 6 and coupling 7 or shaft coupling 8 are with the use of playing driving universal joint effect.Drive chuck 6 material adopts fabroil, noise during to reduce work.
As shown in Figure 8, the first described fixed arm 13, second fixed arm 14 profile is zigzag, first fixed arm 13, second end, fixed arm 14 one end is provided with oval elongated hole 47, for by the first fixed arm 13, second fixing arm 14 is by the first screw 19, first bullet pad 20, first plain cushion 21 is fixed on support 1, the other end is provided with circular hole 48, circular hole 48 diameter is greater than Hall transducer probe diameter, top is provided with tapped hole 49, after Hall transducer 17 inserts circular hole 48, with the solid screw 12 in top by tapped hole 49, withstand on Hall transducer 17 probe, Hall transducer 17 insertion depth continuously adjustabe, to meet the requirement of Hall transducer sound end apart from crank phase dish 0.2mm ~ 0.8mm.Shape, the installation of the first fixed arm 13 and the second fixed arm 14 are identical with application mechanism, have coordinated the measurement of cam phase and rotating speed with cam phase dish 5.。
As shown in Figure 10, be provided with tapped hole 55 in the middle part of described T-shaped block 10, tapped hole 55 bottom is provided with unthreaded hole, to shorten length of thread engagement.
As shown in figure 11, described pressing plate 9 is rectangular, and the head of pressing plate 9 58 is in oblique angle, and press solidly and take up room less, middle part is oval elongated slot 57, and when pressing solidly, screw 22 can relative movement in groove, improves adjustment space adaptability.
Described cushion block 11 is cuboid, and its height is equal with support 1 rectangle seat 50 or slightly high.When pressing plate is fastening, it is as the strong point.
Installation steps are as follows:
Axle and support assemble: axle 2 cylindrical end is given prominence to side along support 1 rectangle seat 50 and is pressed in support 1 hole 54, until pillow block rank are near side face.
Crank phase dish assembles: two bearings 18 is put into bearing hole from small pulley 15 both sides respectively, crank phase dish 3 and small pulley 15 is close together, and hole, three, middle part is aimed at, and is fixed together with the 3rd screw 25, the 3rd plain cushion 26, the 3rd bullet pad 27.Be contained in together afterwards on axle 2, successively the first plain cushion 21, first bullet pad 20 put into axle head, then tighten with nut 37.
Fixed arm is installed: by bending inwardly for the first fixed arm 13, be fixed on support 1, be fixed on support 1 by the second fixed arm 14 equally with the first screw 19, first bullet pad 20, first plain cushion 21.
Cam phase dish assembles: be inserted in coupling 7 successively by cam phase dish 5, large belt wheel 16, be screwed in the corresponding tapped hole of coupling 7 with three group of first plain cushion 21, first bullet pad 20, first screw 19, by the first plain cushion 21 edge, large belt wheel 16, cam phase dish 5 and coupling 7 forced together.Woodruff key is put into pump shaft 33 keyway, then coupling 7 is inserted on pump shaft 33 conical surface, then plain cushion, bullet pad, nut are screwed in pump shaft 33 axle head, and tighten.
Shaft coupling assembles: woodruff key is put into test stand main shaft 32 keyway, then be inserted in by shaft coupling 8 on test stand main shaft 32 conical surface, then plain cushion, bullet pad, nut are screwed in test stand main shaft 32 axle head, and tighten.
Drive chuck assembles: symmetrical for drive chuck 6 side two draw-in grooves 45 are overlapped the transmission of insertion shaft coupling and grabs in 41, again Timing Belt 4 is enclosed within large belt wheel 16, rotate pump shaft 33 on pump 28, coupling 7 transmission is grabbed 39 alignings and is inserted symmetrical two draw-in grooves 44 of drive chuck 6 opposite side.Adjustment pump 28 position is until after pump shaft 33 and test stand main shaft 32 centering, pump 28 is fixed on test stand table top.
Timing Belt assembles: Timing Belt 4 is enclosed within large belt wheel 16, and another side is enclosed within small pulley 15, adjusting pole 1 position, and large belt wheel 16 and small pulley 15 midplane are overlapped.With screw rod 36, pulling block 34 and support 1 are linked together, pulling block 34 is downward, stretching screw 35 is screwed in pulling block 34 tapped hole outwardly, adjustment stretching screw 35, by belt tension, with pressing plate 9, T-shaped block 10, cushion block 11, screw 22, bullet pad 23, plain cushion 24, be pressed on test stand 29 table top by support 1 rectangle seat 50.
Sensor assembles: Hall transducer 17 is inserted the second fixed arm 14 circular hole 48, and the distance between adjustment Hall transducer 17 tip to face distance crank phase dish 3 side to required value, then consolidates screw 12 jam sensor with top.Another Hall transducer 17 same is installed similar on the first fixed arm 13.
Phase place adjusts: slightly unclamp three the first screws 19, hand rotation test stand main shaft 32, reach the position reference of the camshaft requirement such as pump 28 or monoblock pump pump box, Unit injector case, proportioning pump, variable displacement pump.Observe dial 30 by organic calibrated scale 31, record corresponding scale value.The camshaft crankshaft position half angles such as counter-rotating pump 28 or monoblock pump pump box, Unit injector case, proportioning pump, variable displacement pump, turning crankshaft phase disk 3, by special for crank phase dish 3 tooth edge centering Hall transducer center probe.Slightly tight three the first screws 19, again hand rotation test stand main shafts 32, reach the position reference of the camshaft requirement such as pump 28 or monoblock pump pump box, Unit injector case, proportioning pump, variable displacement pump.The camshafts such as counter-rotating pump 28 or monoblock pump pump box, Unit injector case, proportioning pump, variable displacement pump are to cam phase required angle, slightly unclamp three the first screws 19, when ensureing that Timing Belt is motionless, rotating cam phase disk 5, by special for cam phase dish 3 tooth edge centering Hall transducer center probe, tighten three and draw a screw 19.In adjustment process, if desired can with the use of the first screw 19 on the first fixed arm 13 or the second fixed arm 14, carry out the first fixed arm 13 or the second fixed arm 14 rotates or extended position regulates.
Claims (10)
1. a four-cycle diesel Test-bed for pump cam crank signal phase simulator, it comprises support (1), axle (2), crank phase dish (3), Timing Belt (4), cam phase dish (5), drive chuck (6), coupling (7), shaft coupling (8), pressing plate (9), T-shaped block (10), cushion block (11), the solid screw (12) in top, first fixed arm (13), second fixed arm (14), small pulley (15), large belt wheel (16), Hall transducer (17), bearing (18), first screw (19), first bullet pad (20), first plain cushion (21), second screw (22), second bullet pad (23), second plain cushion (24), 3rd screw (25), 3rd plain cushion (26), 3rd bullet pad (27), pump (28), test stand (29), dial (30), organic calibrated scale (31), test stand main shaft (32), pump shaft (33), pulling block (34), stretching screw (35), screw rod (36), nut (37), the table top that it is characterized in that test stand (29) is provided with T-slot, and T-shaped block (10) is arranged in described T-slot, and support (1) is by pressing plate (9), T-shaped block (10), cushion block (11), second screw (22), second bullet pad (23), second plain cushion (24) is connected with test stand (29), and axle (2) is arranged on support (1), the first fixed arm (13), second fixed arm (14) is by the first screw (19), first bullet pad (20), first plain cushion (21) is arranged on support (1), the first fixed arm (13), second fixed arm (14) is respectively arranged with Hall transducer (17), the solid screw (12) in top is arranged on the probe of Hall transducer (17), crank phase dish (3) and bearing (18) are arranged on axle (2), and small pulley (15) is by the 3rd screw (25), 3rd plain cushion (26), 3rd bullet pad (27), nut (37) is connected with crank phase dish (3), pump (28) is provided with pump shaft (33), cam phase dish (5), coupling (7), large belt wheel (16) is arranged on pump shaft (33), and coupling (7) is by the first screw (19), first bullet pad (20), first plain cushion (21) and cam phase dish (5), large belt wheel (16) connects, small pulley (15) is connected by Timing Belt (4) with large belt wheel (16), large belt wheel (16) is set to 2:1 with the gear ratio of small pulley (15), test stand main shaft (32) is arranged on test stand (29), shaft coupling (8) is arranged on test stand main shaft (32), coupling (7), shaft coupling (8) is connected with drive chuck (6) respectively, dial (30), organic calibrated scale (31) is arranged on test stand (29), and pulling block (34) is connected with support (1) by screw rod (36), and stretching screw (35) is arranged on pulling block (34).
2. four-cycle diesel Test-bed for pump cam crank signal phase simulator according to claim 1, it is characterized in that described support (1) is L-shaped, the bottom of support (1) is provided with rectangle seat (50), rectangle seat (50) end is provided with tapped hole (51), pulling block (34) is connected with support (1) by tapped hole (51), support (1) top is provided with tapped hole (52,53), and support (1) top is provided with unthreaded hole (54).
3. four-cycle diesel Test-bed for pump cam crank signal phase simulator according to claim 1, the wheel disc periphery that it is characterized in that described crank phase dish (3) arranges rectangular teeth; Described cam phase dish (5) arranges rectangular teeth, crank phase dish (3) and cam phase dish (5) are upper is uniformly provided with lightening hole, crank phase dish (3) center is provided with circular hole, and Circularhole diameter is greater than bearing (18) external diameter, and circular hole periphery is provided with three unthreaded holes.
4. four-cycle diesel Test-bed for pump cam crank signal phase simulator according to claim 1, it is characterized in that described small pulley (15) cylindrical is provided with synchronous gear, center is circular hole, be respectively equipped with bearing step hole at circular hole two ends, a bearing (18) is respectively equipped with at small pulley (15) two ends.
5. four-cycle diesel Test-bed for pump cam crank signal phase simulator according to claim 1, it is characterized in that described axle (2) mid diameter is greater than two ends diameter, form two positioning steps, in axle (2) one end press-in support (1) corresponding aperture, hole axle is interference fit, and with step axially locating, axle (2) the other end is screw thread, has step in thread root tool withdrawal groove side.
6. four-cycle diesel Test-bed for pump cam crank signal phase simulator according to claim 1, it is characterized in that described coupling (7) one end is arranged with two protruding the first transmissions and grabs (39), transmission is grabbed (39) and drive chuck (6) corresponding groove grafting, described transmission is grabbed on cylinder that (39) depend on four step cylinders, after cam phase dish (5) is inserted in cylinder, first step (40) plays axially locating, second step plays radial location, cylinder and cam phase dish (5) hole are Spielpassung, length of bench is less than cam phase dish (5) thickness, large belt wheel (16) is inserted in the 3rd step, in Spielpassung, 3rd length of bench is less than 1/3 of large belt wheel (16) thickness, large belt wheel (16) end face is a little more than coupling (7) the 4th step end face, 4th step end face is provided with 3 uniform tapped holes (38) near edge, the little head end center of coupling (7) is provided with the conical surface, the conical surface is provided with keyway, coupling (7) is connected with pump shaft (33) by keyway, pump shaft (33) axle head passes through fastening nuts.
7. four-cycle diesel Test-bed for pump cam crank signal phase simulator according to claim 6, it is characterized in that described shaft coupling (8) one end is arranged with two protruding the second transmissions and grabs (41), second transmission is grabbed (41) and is connected with drive chuck (6) corresponding groove, the other end center is provided with the conical surface (42), the conical surface is provided with keyway (43), (32) are provided with woodruff key with test stand main shaft, shaft coupling (8) is connected with test stand main shaft (32) by keyway (43), test stand main shaft (32) axle head fastening nuts.
8. four-cycle diesel Test-bed for pump cam crank signal phase simulator according to claim 1, it is characterized in that described drive chuck (6) is in pie, centre is provided with manhole (46), side is provided with symmetrical two the first draw-in grooves (44), opposite side is also provided with two similar the second draw-in grooves (45) of shape, first draw-in groove (44) is orthogonal with the second draw-in groove (45) midplane, and described drive chuck (6) material is fabroil.
9. four-cycle diesel Test-bed for pump cam crank signal phase simulator according to claim 1, it is characterized in that described the first fixed arm (13), the second fixed arm (14) profile is zigzag, first fixed arm (13), the second fixed arm (14) end, one end are provided with oval elongated hole (47), the other end is provided with circular hole (48), Circularhole diameter is greater than Hall transducer probe diameter, and top is provided with tapped hole (49).
10. four-cycle diesel Test-bed for pump cam crank signal phase simulator according to claim 1, it is characterized in that described T-shaped block (10) middle part is provided with tapped hole (55), tapped hole (55) bottom is provided with unthreaded hole; Described pressing plate (9) is rectangular, and the head (58) of pressing plate (9) is in oblique angle, and middle part is oval elongated slot (57); Described cushion block (11) is cuboid, and its height is equal with the rectangle seat (50) of support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110246421.9A CN102418637B (en) | 2011-08-25 | 2011-08-25 | Four-cycle diesel Test-bed for pump cam crank signal phase simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110246421.9A CN102418637B (en) | 2011-08-25 | 2011-08-25 | Four-cycle diesel Test-bed for pump cam crank signal phase simulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102418637A CN102418637A (en) | 2012-04-18 |
| CN102418637B true CN102418637B (en) | 2015-08-26 |
Family
ID=45943224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110246421.9A Active CN102418637B (en) | 2011-08-25 | 2011-08-25 | Four-cycle diesel Test-bed for pump cam crank signal phase simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102418637B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735279A (en) * | 2012-07-18 | 2012-10-17 | 重庆长安志阳汽车电气有限责任公司 | Crankshaft position sensor |
| CN104111174B (en) * | 2014-08-06 | 2016-08-17 | 北京理工大学 | Rotating speed analog based on vehicular engine phase place |
| CN104332076B (en) * | 2014-10-23 | 2017-01-11 | 沪东重机有限公司 | Electrical equipment simulation teaching system for medium-speed diesel |
| CN107742454A (en) * | 2017-11-15 | 2018-02-27 | 湖南长庆机电科教有限公司 | Fundamentals of Machine Design experimental real-training platform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483184A (en) * | 1982-05-12 | 1984-11-20 | Avl Gesellschaft Fur Verbrennungskraftmaschinen Und Messtechnik M.B.H. | Automatic diagnostic device for a four-stroke-internal combustion engine |
| CN1580540A (en) * | 2004-05-18 | 2005-02-16 | 河南科技大学 | Oil-jetting pump oil-quantity automatic measuring testing table |
| CN201650536U (en) * | 2010-02-11 | 2010-11-24 | 北京经纬恒润科技有限公司 | Simulating test board of engine oil pump |
| CN101907519A (en) * | 2010-06-30 | 2010-12-08 | 绵阳富临精工机械有限公司 | Engine variable valve timing system performance testboard |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0402964B1 (en) * | 2004-07-16 | 2016-11-22 | Zauri Candeo | dynamometer seat for sohc and dohc camshafts for internal combustion engines |
-
2011
- 2011-08-25 CN CN201110246421.9A patent/CN102418637B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483184A (en) * | 1982-05-12 | 1984-11-20 | Avl Gesellschaft Fur Verbrennungskraftmaschinen Und Messtechnik M.B.H. | Automatic diagnostic device for a four-stroke-internal combustion engine |
| CN1580540A (en) * | 2004-05-18 | 2005-02-16 | 河南科技大学 | Oil-jetting pump oil-quantity automatic measuring testing table |
| CN201650536U (en) * | 2010-02-11 | 2010-11-24 | 北京经纬恒润科技有限公司 | Simulating test board of engine oil pump |
| CN101907519A (en) * | 2010-06-30 | 2010-12-08 | 绵阳富临精工机械有限公司 | Engine variable valve timing system performance testboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102418637A (en) | 2012-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102418637B (en) | Four-cycle diesel Test-bed for pump cam crank signal phase simulator | |
| CN104155076B (en) | A kind of working platform type ultromotivity hammer device and method | |
| CN110899018B (en) | Coating equipment capable of adjusting position of object and method thereof | |
| CN102441906A (en) | Chipless cutting machine for plastic pipe | |
| WO2024124728A1 (en) | Apparatus for testing multiple piston assemblies of interior curve hydraulic motor, and test method therefor | |
| CN107900746A (en) | Cylinder sleeve clamp | |
| CN109297660B (en) | Ship shafting torsional vibration testing device | |
| CN116625676B (en) | Universal speed reducer test device | |
| CN110108480B (en) | Universal coupling diesel engine transmission system vibration mechanism research test bed and method | |
| CN210834117U (en) | Screw press torsion testing device based on magnetic powder clutch | |
| CN204788449U (en) | Bent axle gear wheel position sensor and cam position sensor's testing arrangement | |
| CN111152047A (en) | Butterfly valve machining clamp | |
| CN207982126U (en) | A kind of driving clamping device for stamping equipment | |
| CN218425706U (en) | Drilling device for diesel engine accessory production | |
| CN104568453A (en) | Automatic adjusting centering device of engine pedestal | |
| CN206095084U (en) | Crankshaft timing gear meshing is beated and is examined utensil | |
| CN201258767Y (en) | Gear backlash adjustment device for engine | |
| CN204882075U (en) | Air starter test test bench | |
| CN205008492U (en) | 0-360 degrees reciprocal revolution mechanic | |
| CN202462462U (en) | Non-scrap cutting machine for plastic pipes | |
| CN209559480U (en) | Door closer detection device | |
| CN208187856U (en) | A kind of electrodynamic type plastic foam thickness and compression creep test device | |
| CN220051772U (en) | Rotary platform | |
| CN207735963U (en) | Cylinder sleeve clamp | |
| CN213515342U (en) | Utensil is examined to oblique oilhole position degree of gear plate wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |