CN210665043U - Engine crankshaft oil seal test device - Google Patents
Engine crankshaft oil seal test device Download PDFInfo
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- CN210665043U CN210665043U CN201921612388.5U CN201921612388U CN210665043U CN 210665043 U CN210665043 U CN 210665043U CN 201921612388 U CN201921612388 U CN 201921612388U CN 210665043 U CN210665043 U CN 210665043U
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Abstract
The utility model discloses an engine crankshaft oil seal test device, which comprises a power device, a rotating main shaft, a flywheel, a rear end output load system and a clutch mechanism, wherein the power device, the rotating main shaft, the flywheel and the rear end output load system are sequentially connected with one another, the clutch mechanism is used for controlling the power transmission disconnection and connection between the rear end output load system and the flywheel, and the rotating main shaft is rotatably arranged on a test machine body; a crankshaft oil seal is arranged at one end of the rotating main shaft, which is close to the flywheel, and an oil seal eccentric adjusting structure is arranged outside the crankshaft oil seal; the oil seal eccentric adjusting structure comprises a mounting sleeve, an adjusting ring and a first adjusting bolt, wherein the mounting sleeve is fixedly connected with the test machine body; the adjusting ring is sleeved in the mounting sleeve and sleeved on the outer side of the crankshaft oil seal; the first adjusting bolt is arranged on the mounting sleeve and used for adjusting the radial distance between the central axis of the mounting sleeve and the central axis of the adjusting ring. The test device can simulate the actual operation condition of the engine to carry out examination test.
Description
Technical Field
The utility model relates to a vehicle manufacturing technical field, in particular to engine crankshaft oil blanket test device.
Background
The oil seal is a mechanical element for sealing oil, and separates a part needing lubrication in a transmission part from a force-applying part, so that the lubricating oil is prevented from leaking. The representative form of the oil seal is TC oil seal, which is a rubber fully covered double lip oil seal with a self-tightening spring. Crankshaft oil seals, i.e., oil seals disposed on the crankshaft of an engine.
The patent name is a rotary oil seal test bed, application number 201520880153.X discloses a rotary oil seal test bed, which comprises a workbench, a test cavity filled with lubricating oil, an oil seal mounting hole to be tested is formed in the test cavity, the test cavity is mounted on a movable slide rail on the workbench, a radial vibration slide rail and an axial series motion slide rail are arranged above the workbench surface, the radial vibration slide rail and the axial series motion slide rail are arranged up and down, a spindle seat for mounting a rotary spindle is mounted above the radial vibration slide rail and the axial series motion slide rail, and axial series motion and radial vibration relative to the test cavity are realized Jumping to the direction.
In the scheme, the test cavity is installed on the movable slide rail on the workbench, the radial vibration slide rail and the axial vibration slide rail are arranged above the workbench surface and are arranged up and down, and the main shaft seat for installing the rotating main shaft is installed above the radial vibration slide rail and the axial vibration slide rail, so that the axial vibration and the radial vibration relative to the test cavity are realized. The scheme can only adjust the axial series motion and the radial vibration of the rotating main shaft in a sliding rail mode to simulate the axial series motion and the radial vibration in the actual operation process of the crankshaft, but cannot simulate the dynamic axial series motion and the radial vibration brought by the rotation of the flywheel driven by the shaft end of the crankshaft in the actual operation process of the engine, and the axial series motion and the radial vibration brought to the crankshaft due to the closing of the clutch, namely, the actual operation working condition of the engine cannot be simulated for carrying out an examination test (the actual motion working condition of the engine comprises the condition that the shaft end of the crankshaft actually generates the float and the jump due to the rotation of the flywheel driven by the shaft end of the crankshaft, and the condition that the axial series motion and the radial jump are generated due to the impact.
Wherein, the axial movement refers to the phenomenon that the hole and the shaft are displaced relatively in the axial direction in the operation process; radial vibration refers to the phenomenon of relative displacement of the bore and shaft in the radial direction during operation.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an engine crankshaft oil blanket test device can simulate engine actual operating condition and examine the experiment.
In order to achieve the above object, the utility model provides a following technical scheme:
an engine crankshaft oil seal test device comprises a power device, a rotating main shaft, a flywheel, a rear end output load system and a clutch mechanism, wherein the power device, the rotating main shaft, the flywheel and the rear end output load system are sequentially in transmission connection; a crankshaft oil seal is arranged at one end, close to the flywheel, of the rotating main shaft, and an oil seal eccentric adjusting structure is arranged outside the crankshaft oil seal;
the oil seal eccentric adjusting structure comprises a mounting sleeve, an adjusting ring and a first adjusting bolt, wherein the mounting sleeve is fixedly connected with the test machine body; the adjusting ring is sleeved in the mounting sleeve and sleeved outside the crankshaft oil seal; the first adjusting bolt is arranged on the mounting sleeve and used for adjusting the radial distance between the central axis of the mounting sleeve and the central axis of the adjusting ring.
Preferably, in the above test device, the test machine body is provided with a containing cavity for containing a lubricating medium, and the lubricating medium provides lubrication for the test device.
Preferably, in the above test apparatus, the test machine body includes an upper machine body and a lower machine body, the upper machine body and the lower machine body are fastened to form the accommodating cavity, and a central mounting hole for mounting the rotating spindle is provided at a connection between the upper machine body and the lower machine body.
Preferably, in the above test apparatus, a transmission mechanism and a main shaft eccentric adjustment structure are provided between the drive shaft of the power device and the rotating main shaft, the main shaft eccentric adjustment structure includes a support seat, an adjustment disc, a second adjustment bolt and a second fastening bolt, wherein:
the input end of the transmission mechanism is connected with a driving shaft of the power device;
the output end of the transmission mechanism is coaxially connected with the supporting seat;
the input shaft end of the rotating main shaft is coaxially connected with the adjusting disc;
mounting holes for mounting the second fastening bolts are respectively formed in the supporting seat and the adjusting disc, and the diameter of each mounting hole is larger than that of a screw of each second fastening bolt;
the second adjusting bolt is arranged on the supporting seat and used for adjusting the radial distance between the central axis of the supporting seat and the central axis of the adjusting disc.
Preferably, in the above test apparatus, the input shaft end of the rotating spindle and the adjusting disc are coaxially connected through a spline structure;
and/or the output shaft end of the rotating main shaft is coaxially connected with the flywheel through a flywheel bolt.
Preferably, in the above test device, the transmission mechanism is a transmission gear set, the transmission gear set includes a first transmission gear and a second transmission gear that are engaged with each other, the first transmission gear is connected with a driving shaft of the power device, the second transmission gear is provided with an output shaft end, and the output shaft end is coaxially connected with the support seat.
Preferably, in the above test apparatus, the clutch mechanism includes a friction plate, a pressure plate, an actuator and a driving device, and the pressure plate is connected to the rear-end output load system through a transmission shaft;
when a push rod of the driving device pushes the pressing plate to be close to the disc surface of the flywheel to the limit position through the actuating mechanism, the pressing plate, the friction plate and the flywheel are abutted, and the power of the flywheel is transmitted to the rear-end output load system through the friction plate, the pressing plate and the transmission shaft;
when a push rod of the driving device pulls the pressing plate to be far away from the flywheel through the actuating mechanism, the power transmission between the rear end output load system and the flywheel is disconnected.
Preferably, in the above test device, a power device controller is further included, for performing stepless speed regulation control on the rotation speed and the torque of the power device.
Preferably, in the above test apparatus, the test apparatus further includes a load hydraulic controller for controlling loading of the hydraulic load in the rear-end output load system and controlling the operation of the clutch mechanism.
Preferably, in the testing device, a cooling and lubricating system controller is further included for controlling the temperature of the lubricating medium in the testing device.
During testing, firstly, a first adjusting bolt is adjusted to meet a requirement value of an eccentric distance of a central axis of a crankshaft oil seal relative to a central axis of a rotating main shaft, wherein the requirement value is provided by a technician; and then, starting the power device, driving the rotating main shaft and the flywheel to rotate by the dynamic power device, and controlling the power transmission connection and disconnection between the rear-end output load system and the flywheel through the clutch mechanism in the test process.
Therefore, the utility model provides an engine crankshaft oil blanket test device can simulate engine actual operating condition, promptly:
(1) the clutch mechanism is used for controlling the power transmission connection between the rear-end output load system and the flywheel, at the moment, the clutch mechanism can simulate the action of trampling the clutch by a driver when the whole vehicle is driven so as to finish the test and examination of the crankshaft oil seal by the impact action of the flywheel at the moment of trampling the clutch, and the axial vibration and the radial vibration of the rotating main shaft are one of the worst working conditions for the test and examination of the crankshaft oil seal at the moment;
(2) the clutch mechanism is used for controlling the power transmission between the rear-end output load system and the flywheel to be disconnected, the flywheel idles, at the moment, the clutch releasing action of a driver can be simulated when the whole vehicle is driven by the clutch mechanism so as to complete the test and examination of the crankshaft oil seal at the moment when the clutch is released and after the clutch is released, and the radial vibration of the flywheel side of the rotating main shaft, which is caused by the fact that the rotational inertia of the idling flywheel is large, is one of the worst working conditions for the test and examination of the crankshaft oil seal.
It can be seen, the utility model provides an among the engine crankshaft oil blanket testing arrangement, because the installation sleeve links firmly with experimental organism, the rotating spindle sets up on experimental organism, again because the adjustable ring cover is established in the outside of crankshaft oil blanket, thereby, when adjusting through the radial distance between the central axis of first adjusting bolt to installation sleeve's the central axis and adjustable ring, just realized the regulation of the eccentric distance between pairing rotation main shaft and the crankshaft oil blanket, can satisfy the central axis about the crankshaft oil blanket that the technical staff provided promptly and require the value for the difference of the eccentric distance of the central axis of rotating spindle through adjusting first adjusting bolt.
Furthermore, the utility model provides an engine crankshaft oil blanket test device, can simulate the axial cluster and the radial vibration of the developments that bring when the engine actual operation in-process bent axle head drives the flywheel rotation, axial cluster and the radial vibration of bent axle are brought because of the closure of clutch, and the radial vibration of bent axle when the flywheel idles, can simulate engine actual operation operating mode promptly and examine the experiment, this engine actual motion operating mode includes that the bent axle head is actual to produce the drunkenness and the condition of beating because of driving the flywheel rotation, and the clutch closure produces the impact and takes place the condition of axial cluster and radial runout to the rotation main shaft in the twinkling of an eye, and the clutch disconnection is in the twinkling of an eye and the condition that the radial runout takes place for the rotation. Thereby the utility model provides an engine crankshaft oil blanket test device can guarantee that the test result is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first perspective view of an engine crankshaft oil seal testing device provided by an embodiment of the present invention;
fig. 2 is a second axial view of the engine crankshaft oil seal testing device provided by the embodiment of the present invention;
FIG. 3 is a cross-sectional view of an engine crankshaft oil seal testing device provided by an embodiment of the present invention;
fig. 4 is a cross-sectional view of a joint of a clutch mechanism and a flywheel in the engine crankshaft oil seal testing device provided by the embodiment of the present invention;
fig. 5 is a schematic structural diagram of an eccentric adjustment structure of an oil seal in an engine crankshaft oil seal testing device provided by an embodiment of the present invention;
fig. 6 is a cross-sectional view of a joint of a transmission gear, a main shaft eccentric adjusting structure and a rotating main shaft in the engine crankshaft oil seal testing device provided by the embodiment of the present invention;
fig. 7 is an assembly structure diagram of a main shaft eccentric adjustment structure in an engine crankshaft oil seal testing device provided by an embodiment of the present invention;
fig. 8 is an exploded schematic view of a main shaft eccentricity adjusting structure in an engine crankshaft oil seal testing device provided in the embodiment of the present invention.
Wherein:
1-a test machine body, 2-a transmission mechanism, 3-a power device, 5-a rotating main shaft, 6-a crankshaft oil seal,
7-flywheel, 9-rear output load system, 10-driving device, 11-push rod hinged end,
12-a clutch mechanism, 14-a transmission shaft,
4-power device controller, 8-load hydraulic controller, 13-cooling and lubricating system controller,
15-oil seal eccentric adjusting structure, 16-main shaft eccentric adjusting structure,
1201-friction plate, 1202-pressure plate, 1203-actuator,
1501-a first adjusting bolt, 1502-an adjusting ring, 1503-a first fastening bolt, 1504-a mounting sleeve,
1601-support seat, 1602-adjusting disk, 1603-second adjusting bolt, 1604-second fastening bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1 to 8, fig. 1 is a first-axis drawing of an engine crankshaft oil seal testing device provided by an embodiment of the present invention, fig. 2 is a second-axis drawing of an engine crankshaft oil seal testing device provided by an embodiment of the present invention, fig. 3 is a cross-sectional view of an engine crankshaft oil seal testing device provided by an embodiment of the present invention, fig. 4 is a partial structure diagram of a junction of a clutch mechanism and a flywheel in an engine crankshaft oil seal testing device provided by an embodiment of the present invention, fig. 5 is a structural diagram of an eccentric adjustment structure of an oil seal in an engine crankshaft oil seal testing device provided by an embodiment of the present invention, fig. 6 is a cross-sectional view of a junction of a transmission gear, a main shaft eccentric adjustment structure and a rotating main shaft in an engine crankshaft oil seal testing device provided by an embodiment of the present invention, fig. 7 is an assembly structural diagram of a main shaft eccentric adjustment structure in an engine crankshaft oil seal testing device provided by, fig. 8 is an exploded schematic view of a main shaft eccentricity adjusting structure in an engine crankshaft oil seal testing device provided in the embodiment of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides an engine crankshaft oil seal testing apparatus, which includes a power device 3, a rotating main shaft 5, a flywheel 7, a rear end output load system 9, and a clutch mechanism 12 for controlling the power transmission disconnection and connection between the rear end output load system 9 and the flywheel 7. Wherein, the power device 3 is used for providing power for the whole test device; the clutch mechanism 12 is used for simulating clutch stepping and gear shifting actions of the whole vehicle; the rotating main shaft 5 simulates an engine crankshaft, and the rotating main shaft 5 is rotatably arranged on the test machine body 1; and a crankshaft oil seal 6 is arranged at one end of the rotating main shaft 5, which is close to the flywheel 7, and an oil seal eccentric adjusting structure 15 is arranged outside the crankshaft oil seal 6.
Referring to fig. 5, the eccentric adjustment structure 15 includes a mounting sleeve 1504, an adjusting ring 1502, and a first adjusting bolt 1501. Wherein, the mounting sleeve 1504 is fixedly connected with the test machine body 1; the adjusting ring 1502 is sleeved in the mounting sleeve 1504 and sleeved outside the crankshaft oil seal 6; the first adjusting bolt 1501 is arranged on the mounting sleeve 1504 (the adjusting end of the first adjusting bolt 1501 is located on the outer side of the mounting sleeve 1504, and the abutting end of the first adjusting bolt 1501 is located in the mounting sleeve 1504), so that the radial distance between the central axis of the mounting sleeve 1504 and the central axis of the adjusting ring 1502 can be adjusted by rotating the first adjusting bolt 1501, and the adjustment of the crankshaft oil seal 6 is realized.
In the test, firstly, a first adjusting bolt 1501 is adjusted to meet the requirement value of the eccentric distance of the central axis of the crankshaft oil seal 6 relative to the central axis of the rotating main shaft 5, which is proposed by a technician; then, the power device 3 is started, the dynamic power device 3 drives the rotating main shaft 5 and the flywheel 7 to rotate, and in the test process, the power transmission connection and disconnection between the rear-end output load system 9 and the flywheel 7 are controlled through the clutch mechanism 12.
Therefore, the embodiment of the utility model provides an engine crankshaft oil blanket test device can simulate engine actual operating condition, promptly:
(1) the clutch mechanism 12 is used for controlling the power transmission connection between the rear-end output load system 9 and the flywheel 7, at the moment, the clutch mechanism 12 can simulate the action of trampling the clutch by a driver when the whole vehicle is driven so as to finish the test and examination of the crankshaft oil seal 6 by the impact action of the flywheel 7 at the moment of trampling the clutch, and the axial vibration and the radial vibration of the rotating main shaft 5 are one of the worst working conditions for the test and examination of the crankshaft oil seal 6 at the moment;
(2) the clutch mechanism 12 controls the power transmission between the rear-end output load system 9 and the flywheel 7 to be disconnected, the flywheel 7 idles, at the moment, the clutch releasing action of a driver can be simulated when the whole vehicle is driven through the clutch mechanism 12 so as to complete the test examination of the crankshaft oil seal 6 at the moment when the clutch is released and after the clutch is released, and the radial vibration of the flywheel side of the rotating main shaft 5, which is caused by the fact that the rotational inertia of the idling flywheel 7 is large at the moment, is one of the worst working conditions for the test examination of the crankshaft oil seal 6.
It can be seen, the embodiment of the utility model provides an among the engine crankshaft oil blanket testing arrangement, because installation sleeve 1504 links firmly with experimental organism 1, rotating spindle 5 sets up on experimental organism 1, again because the outer side at crankshaft oil blanket 6 is established to adjustable ring 1502 cover, thereby, when adjusting through first adjusting bolt 1501 to the central axis of installation sleeve 1504 and the central axis of adjustable ring 1502 between the radial distance, just realized the regulation of the eccentric distance between rotating spindle 5 and the crankshaft oil blanket 6, can satisfy the central axis about crankshaft oil blanket 6 that the technical staff provided promptly and require the value for the difference of the eccentric distance of rotating spindle 5's the central axis through adjusting first adjusting bolt 1501.
Furthermore, the embodiment of the utility model provides an engine crankshaft oil blanket test device, can simulate the axial cluster and the radial vibration of the developments that bring when the engine actual operation in-process bent axle head drives the flywheel rotation, axial cluster and the radial vibration of bent axle are taken for because of the closure of clutch, and the radial vibration of bent axle when the flywheel idles, can simulate engine actual operation operating mode promptly and examine the experiment, this engine actual motion operating mode includes that the bent axle head is actual to produce the drunkenness and the condition of beating because of driving the flywheel rotation, and the clutch closure produces the impact to the rotation main shaft in the twinkling of an eye and takes place the condition of axial cluster and radial runout, and the clutch disconnection is in the twinkling of an eye and the condition that the rotation main shaft took place radial run. Thereby the embodiment of the utility model provides an engine crankshaft oil blanket test device can guarantee that the test result is more accurate.
Specifically, the rear-end output load combination group 9 includes a hydraulic load pump, a hydraulic pipeline, a hydraulic oil tank, and a hydraulic valve group. The rear end output load combination group 9 is used for providing load for the rear end of the flywheel so as to simulate the load of the actual road condition of the whole vehicle.
Specifically, referring to fig. 1 and fig. 2, a containing cavity for containing a lubricating medium is arranged in the test machine body 1, and the lubricating medium provides lubrication for the test device. The test machine body 1 comprises an upper machine body and a lower machine body, the upper machine body and the lower machine body are buckled to form an accommodating cavity, and a central mounting hole for mounting the rotating main shaft 5 is formed in the joint between the upper machine body and the lower machine body.
Specifically, referring to fig. 1 to 2 and 6 to 8, a transmission mechanism 2 and a main shaft eccentric adjusting structure 16 are disposed between a driving shaft of the power device 3 and the rotating main shaft 5.
The transmission mechanism 2 is used to transmit the power (torque and rotational speed) of the drive shaft of the power unit 3 to the rotating main shaft 5.
The main shaft eccentric adjustment structure 16 includes a support seat 1601, an adjustment disk 1602, a second adjustment bolt 1603, and a second fastening bolt 1604. Wherein: the input end of the transmission mechanism 2 is connected with a driving shaft of the power device 3; the output end of the transmission mechanism 2 is coaxially connected with the supporting seat 1601; the input shaft end of the rotating main shaft 5 is coaxially connected with the adjusting disc 1602; mounting holes for mounting the second fastening bolts 1604 are respectively formed in the supporting seat 1601 and the adjusting disc 1602, and the diameters of the mounting holes are larger than the diameters of screws of the second fastening bolts 1604; a second adjusting bolt 1603 is provided on the support 1601 for adjusting a radial distance between a central axis of the support 1601 and a central axis of the adjusting disk 1602.
It can be seen that, in the above test apparatus, since the output end of the transmission mechanism 2 is coaxially connected to the support seat 1601 and the input shaft end of the rotating spindle 5 is coaxially connected to the adjusting disk 1602, when the radial distance between the central axis of the support seat 1601 and the central axis of the adjusting disk 1602 is adjusted, the adjustment of the eccentric distance between the central axis of the rotating spindle 5 and the central axis of the output end of the transmission mechanism 2 is realized, so that the checking and verification of the radial runout of the rotating spindle 5 caused by the adjustment of the eccentricity of the rotating spindle 5 (i.e., the eccentric mounting of the engine crankshaft) is realized.
The specific operation is as follows: firstly, the second fastening bolt 1604 is loosened or removed, and then the eccentricity of the rotating main shaft 5 is adjusted by rotating the second adjusting bolt 1603; and then the second fastening bolt 1604 is tightened.
It can be seen that the embodiment of the utility model provides an engine crankshaft oil blanket test device except can simulating above-mentioned engine actual running operating mode (1) and (2), can also simulate engine actual running operating mode (3), promptly:
(3) the eccentric adjusting structure 16 of the rotating main shaft is arranged on the side of the driving motor of the test machine body 1, so that the examination and verification of the radial runout of the rotating main shaft 5 caused by adjusting the eccentricity of the rotating main shaft 5 (namely the eccentric mounting of an engine crankshaft) are realized, and the radial runout of the rotating main shaft 5 is one of the worst working conditions for the test and examination of the crankshaft oil seal 6.
Specifically, the input shaft end of the rotating main shaft 5 is coaxially connected with the adjusting disc 1602 through a spline structure; the output shaft end of the rotating main shaft 5 is coaxially connected with the flywheel 7 through a flywheel bolt, so that the flywheel 7 is ensured to rotate along with the rotating main shaft 5.
Specifically, the transmission mechanism 2 is a transmission gear set, the transmission gear set comprises a first transmission gear and a second transmission gear which are meshed with each other, the first transmission gear is connected with a driving shaft of the power device 3, an output shaft end is arranged on the second transmission gear, and the output shaft end is coaxially connected with the supporting seat 1601. A gear chamber is arranged outside the transmission gear set.
Specifically, the clutch mechanism 12 includes a friction plate 1201, a pressure plate 1202, an actuator 1203, and a driving device 10, and the pressure plate 1202 is connected to the rear-end output load system 9 through a transmission shaft 14.
When a push rod of the driving device 10 pushes the pressure plate 1202 to approach the disc surface of the flywheel 7 to the limit position through the actuating mechanism 1203, the pressure plate 1202, the friction plate 1201 and the flywheel 7 are abutted, and the power, i.e., the torque and the rotating speed, of the flywheel 7 is transmitted to the rear-end output load system 9 through the friction plate 1201, the pressure plate 1202 and the transmission shaft 14; when the push rod of the driving device 10 pulls the pressure plate 1202 away from the flywheel 7 by the actuator 1203, the power transmission between the rear-end output load system 9 and the flywheel 7 is disconnected. The test apparatus is now in an idle state.
Therefore, through the telescopic action of the push rod of the driving device 10, the pressing plate 1202 can be pushed by the executing mechanism 1203 to be close to or far away from the disk surface of the flywheel 7, so that the flywheel 7 is attached to or disconnected from the pressing plate, and the purpose of controlling the power output of the flywheel 7 is achieved.
As shown in fig. 3 and 4, one end of the actuator 1203 is hinged to a push rod hinge end 11 of a push rod of the driving device 10, and the other end is hinged to the pressing plate 1202 and the transmission shaft 14.
Specifically, the test apparatus is further provided with a power unit controller 4, a load hydraulic pressure controller 8, and a cooling and lubricating system controller 13. Wherein: the stepless speed regulation control can be carried out on the rotating speed and the torque of the power device 3 through the power device controller 4; the hydraulic load in the rear-end output load system 9 can be loaded and controlled through the load hydraulic controller 8, and the telescopic motion of the driving device 10 in the clutch mechanism 12 can be controlled through the load hydraulic controller 8 so as to realize the action control of the clutch mechanism 12; the temperature of the lubricating medium in the test device can be controlled in real time through the cooling and lubricating system controller 13, and the temperature of the lubricating medium can be adjusted through circulating cooling water.
It should be noted that, in the above test device, the power device 3 is specifically a driving motor or a hydraulic power device, or other forms of power devices; the executing mechanism 1203 is specifically a link mechanism or a wire pulling mechanism, or other transmission mechanisms; the transmission mechanism 2 can be a gear transmission mechanism, a belt transmission mechanism or a chain wheel transmission mechanism; the driving device 10 may specifically adopt a hydraulic cylinder or an air cylinder or other driving devices; the clutch 12 can be replaced by other structural devices, such as a telescopic driving structure directly using a hydraulic cylinder or a pneumatic cylinder, so as to realize the axial series motion simulation of the rotating main shaft 5.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The engine crankshaft oil seal testing device is characterized by comprising a power device (3), a rotating main shaft (5), a flywheel (7), a rear-end output load system (9) and a clutch mechanism (12) for controlling the power transmission disconnection and connection between the rear-end output load system (9) and the flywheel (7), wherein the rotating main shaft (5) is rotatably arranged on a testing machine body (1); a crankshaft oil seal (6) is arranged at one end, close to the flywheel (7), of the rotating main shaft (5), and an oil seal eccentric adjusting structure (15) is arranged outside the crankshaft oil seal (6);
the oil seal eccentric adjusting structure (15) comprises a mounting sleeve (1504), an adjusting ring (1502) and a first adjusting bolt (1501), wherein the mounting sleeve (1504) is fixedly connected with the test machine body (1); the adjusting ring (1502) is sleeved in the mounting sleeve (1504) and sleeved on the outer side of the crankshaft oil seal (6); the first adjustment bolt (1501) is disposed on the mounting sleeve (1504) for adjusting a radial distance between a central axis of the mounting sleeve (1504) and a central axis of the adjustment ring (1502).
2. Test device according to claim 1, characterized in that the test body (1) is provided with a receiving chamber for a lubricating medium which provides lubrication for the test device.
3. Testing device according to claim 2, characterized in that the testing machine body (1) comprises an upper body and a lower body, which are fastened to form the receiving cavity, and in that the connection between the upper body and the lower body is provided with a central mounting hole for mounting the rotating spindle (5).
4. Testing device according to claim 1, characterized in that a transmission (2) and a spindle eccentricity adjustment structure (16) are provided between the drive shaft of the power unit (3) and the rotating spindle (5), the spindle eccentricity adjustment structure (16) comprising a support seat (1601), an adjustment disc (1602), a second adjustment bolt (1603) and a second fastening bolt (1604), wherein:
the input end of the transmission mechanism (2) is connected with a driving shaft of the power device (3);
the output end of the transmission mechanism (2) is coaxially connected with the supporting seat (1601);
the input shaft end of the rotating main shaft (5) is coaxially connected with the adjusting disc (1602);
mounting holes for mounting the second fastening bolts (1604) are respectively formed in the supporting seat (1601) and the adjusting disc (1602), and the diameters of the mounting holes are larger than the diameters of screws of the second fastening bolts (1604);
the second adjusting bolt (1603) is arranged on the supporting seat (1601) and used for adjusting the radial distance between the central axis of the supporting seat (1601) and the central axis of the adjusting disc (1602).
5. The testing device according to claim 4, characterized in that the input shaft end of the rotating main shaft (5) and the adjusting disc (1602) are coaxially connected through a spline structure;
and/or the output shaft end of the rotating main shaft (5) is coaxially connected with the flywheel (7) through a flywheel bolt.
6. The testing device according to claim 4, characterized in that the transmission mechanism (2) is a transmission gear set, the transmission gear set comprises a first transmission gear and a second transmission gear which are meshed with each other, the first transmission gear is connected with a driving shaft of the power device (3), the second transmission gear is provided with an output shaft end, and the output shaft end is coaxially connected with the supporting seat (1601).
7. Test device according to any of claims 1 to 6, characterized in that the clutch mechanism (12) comprises a friction plate (1201), a pressure plate (1202), an actuator (1203) and a drive (10), the pressure plate (1202) being connected to the rear output load system (9) by a transmission shaft (14);
when a push rod of the driving device (10) pushes the pressure plate (1202) to be close to the disc surface of the flywheel (7) to the limit position through the actuating mechanism (1203), the pressure plate (1202), the friction plate (1201) and the flywheel (7) are abutted, and the power of the flywheel (7) is transmitted to the rear-end output load system (9) through the friction plate (1201), the pressure plate (1202) and the transmission shaft (14);
when a push rod of the driving device (10) pulls the pressure plate (1202) away from the flywheel (7) through the executing mechanism (1203), the power transmission between the rear end output load system (9) and the flywheel (7) is disconnected.
8. Test unit according to any of claims 1 to 6, characterized by a power unit control (4) for the stepless speed regulation of the rotational speed and torque of the power unit (3).
9. Test unit according to any of claims 1-6, characterized by a load hydraulic controller (8) for load control of hydraulic loads in the rear output load system (9) and for controlling the actuation of the clutch mechanism (12).
10. Test unit according to any of claims 1 to 6, further comprising a cooling and lubrication system controller (13) for controlling the temperature of the lubrication medium in the test unit.
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| CN201921612388.5U CN210665043U (en) | 2019-09-25 | 2019-09-25 | Engine crankshaft oil seal test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921612388.5U CN210665043U (en) | 2019-09-25 | 2019-09-25 | Engine crankshaft oil seal test device |
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| CN210665043U true CN210665043U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838642A (en) * | 2022-06-23 | 2022-08-02 | 湖北理工学院 | Refrigeration compressor crankshaft detection device and detection method |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838642A (en) * | 2022-06-23 | 2022-08-02 | 湖北理工学院 | Refrigeration compressor crankshaft detection device and detection method |
| CN114838642B (en) * | 2022-06-23 | 2023-08-11 | 湖北理工学院 | Refrigerating compressor crankshaft detection equipment and detection method |
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