CN212379032U - Simulation bench equipment for automobile engine camshaft test - Google Patents
Simulation bench equipment for automobile engine camshaft test Download PDFInfo
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- CN212379032U CN212379032U CN202021415875.5U CN202021415875U CN212379032U CN 212379032 U CN212379032 U CN 212379032U CN 202021415875 U CN202021415875 U CN 202021415875U CN 212379032 U CN212379032 U CN 212379032U
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Abstract
The utility model belongs to the test equipment field specifically discloses a lower and simulation bench equipment that can comparatively accurately assess automobile engine camshaft's wearability and reliability of cost. The simulation bench equipment mainly comprises an equipment rack, a camshaft installation component, a driving device, a load system, an oil supply system and a monitoring system, and compared with the existing test bench with an assembled engine, the simulation bench equipment is low in cost; can install through camshaft installation component and place automobile engine camshaft, can order about automobile engine camshaft rotation through drive arrangement to the torsional load of simulation camshaft, can exert the load through the train load device of load system, with the moment of flexure load of effective simulation camshaft, can provide lubricated hydraulic oil in can to the camshaft dustcoat through oil feeding system, consequently can effectively carry out fatigue failure simulation to automobile engine cam, with the wearability and the reliability of accurately appraising automobile engine camshaft.
Description
Technical Field
The utility model belongs to the test equipment field, concretely relates to simulation rack equipment is used in automobile engine camshaft test.
Background
In the design and manufacture process of the camshaft of the automobile engine, most manufacturers only complete the monomer quality detection of the camshaft, and the performance test of the camshaft is almost zero; the evaluation of wear resistance and reliability of the camshaft is generally accomplished mainly by means of a rack provided by a main engine plant after assembling the engine. However, the rack resources provided by the main engine plant are precious and high in cost, and if the camshaft fails in the test stage, a large loss is caused. Therefore, there is a need to design and manufacture a low cost test apparatus for simulating a durable stand to evaluate the performance of the automotive engine camshaft itself.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a lower and simulation rack equipment that can comparatively accurately assess automobile engine camshaft's wearability and reliability of cost.
The utility model provides a technical scheme that its technical problem adopted is: the simulation bench equipment for the camshaft test of the automobile engine comprises an equipment rack, a camshaft installation assembly, a driving device, a load system, an oil supply system and a monitoring system;
the camshaft mounting assembly comprises a machine frame arranged on the equipment rack, a camshaft mounting seat arranged on a frame top plate of the machine frame and a camshaft outer cover which is covered on the frame top plate of the machine frame and covers the camshaft mounting seat, and a belt pulley which is in transmission connection with a camshaft of an automobile engine is arranged on the camshaft mounting seat;
the driving device comprises a driving motor and a belt transmission mechanism; the driving motor is in transmission connection with a belt pulley on the camshaft mounting seat through a belt transmission mechanism;
the load system comprises a wheel train load device, the wheel train load device comprises a telescopic component and a tension pulley which is rotatably arranged at the end part of a telescopic rod of the telescopic component, and the tension pulley is abutted against a belt of the belt transmission mechanism;
the oil supply system comprises a circulating oil pipe and a hydraulic lubrication station, and the hydraulic lubrication station is circularly connected with an oil inlet and an oil outlet on the camshaft mounting assembly through the circulating oil pipe;
the monitoring system comprises a controller, a display and a force sensor arranged on the telescopic rod, and the driving motor, the hydraulic lubrication station, the force sensor and the display are respectively electrically connected with the controller.
Further, the machine seat frame comprises a frame bottom plate arranged on the top surface of the equipment rack, a left vertical plate and a right vertical plate which are arranged on the frame bottom plate at intervals, and a frame top plate arranged at the upper ends of the left vertical plate and the right vertical plate.
Furthermore, the belt transmission mechanism also comprises a driving wheel, a first synchronizing wheel and a second synchronizing wheel which are respectively and rotatably arranged on the right vertical plate of the machine seat frame; the driving wheel is connected with the driving motor through a transmission shaft, the first synchronous wheel is positioned above the driving wheel, the second synchronous wheel is positioned between the driving wheel and the first synchronous wheel, the upper edge of the second synchronous wheel is higher than the lower edge of the first synchronous wheel, and the belt pulley is positioned on the upper side of the first synchronous wheel; the belt is sequentially arranged around the lower edge of the driving wheel, the upper edge of the second synchronous wheel, the lower edge of the first synchronous wheel and the upper edge of the belt wheel.
Further, a transparent cover shell is arranged on the outer cover of the belt transmission mechanism.
Further, the transmission shaft is connected with the first coupler through a torque sensor and then is in transmission connection with the driving motor.
Further, the first coupling housing is provided with a protective cover.
Further, the monitoring system further comprises a pressure sensor and a temperature sensor which are arranged on the frame top plate of the frame, and a rotating speed sensor and a torque sensor which are arranged on the transmission shaft, wherein the pressure sensor, the temperature sensor, the rotating speed sensor and the torque sensor are respectively and electrically connected with the controller.
The gear train load device further comprises an installation vertical plate arranged on the equipment rack, the telescopic part comprises a screw nut arranged on the installation vertical plate, a ball screw arranged in the screw nut in a threaded manner and a load motor in transmission connection with one end of the ball screw, and the load motor is electrically connected with the controller; the other end of the ball screw is connected with the telescopic rod in a translation manner.
Further, the load motor is connected with the ball screw through a second coupling.
Further, the load system further comprises a vacuumizing device, an air outlet of the vacuumizing device is communicated with the outside atmosphere, and an air exhaust port of the vacuumizing device is used for being connected with the end part of the camshaft of the automobile engine in a closed mode to form a vacuum load.
The utility model has the advantages that: the simulation bench equipment mainly comprises an equipment rack, a camshaft installation component, a driving device, a load system, an oil supply system and a monitoring system, and compared with the existing test bench with an assembled engine, the simulation bench equipment is low in cost; can install through camshaft installation component and place automobile engine camshaft, can order about automobile engine camshaft rotation through drive arrangement to the torsional load of simulation camshaft, can exert the load through the train load device of load system, with the moment of flexure load of effective simulation camshaft, can provide lubricated hydraulic oil in can to the camshaft dustcoat through oil feeding system, consequently can effectively carry out fatigue failure simulation to automobile engine cam, with the wearability and the reliability of accurately appraising automobile engine camshaft.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the right side view of the structure of FIG. 1;
labeled as: the equipment rack 100, the camshaft installation assembly 200, the rack frame 210, the rack top plate 211, the rack bottom plate 212, the left vertical plate 213, the right vertical plate 214, the camshaft installation seat 220, the camshaft outer cover 230, the driving device 300, the driving motor 310, the transmission shaft 311, the first coupling 312, the protective cover 313, the belt transmission mechanism 320, the belt 321, the driving wheel 322, the first synchronous wheel 323, the second synchronous wheel 324, the belt pulley 325, the gear train loading device 400, the telescopic component 410, the telescopic rod 411, the screw nut 412, the ball screw, the load motor 414, the second coupling 415, the tensioning wheel 420, the installation vertical plate 430, the oil supply system 500, the hydraulic lubrication station 510, the force sensor 610, the torque sensor 620, the vacuum pumping device 700 and the automobile engine camshaft 800.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, the simulation bench device for the camshaft test of the automobile engine comprises an equipment rack 100, a camshaft installation assembly 200, a driving device 300, a load system, an oil supply system 500 and a monitoring system;
the camshaft mounting assembly 200 comprises a frame 210 arranged on the equipment rack 100, a camshaft mounting seat 220 arranged on a frame top plate 211 of the frame 210, and a camshaft outer cover 230 covering the frame top plate 211 of the frame 210 and covering the camshaft mounting seat 220, wherein a belt pulley 325 for being in transmission connection with a camshaft 800 of an automobile engine is arranged on the camshaft mounting seat 220;
the driving device 300 comprises a driving motor 310 and a belt transmission mechanism 320; the driving motor 310 is in transmission connection with a belt pulley 325 on the camshaft mounting seat 220 through a belt transmission mechanism 320;
the load system comprises a wheel train load device 400, wherein the wheel train load device 400 comprises a telescopic component 410 and a tension pulley 420 which is rotatably arranged at the end part of a telescopic rod 411 of the telescopic component 410, and the tension pulley 420 is abutted against a belt 321 of a belt transmission mechanism 320;
the oil supply system 500 comprises a circulating oil pipe and a hydraulic lubrication station 510, wherein the hydraulic lubrication station 510 is circularly connected with an oil inlet and an oil outlet on the camshaft installation assembly 200 through the circulating oil pipe;
the monitoring system comprises a controller, a display and a force sensor 610 arranged on the telescopic rod 411, wherein the driving motor 310, the hydraulic lubrication station 510, the force sensor 610 and the display are respectively electrically connected with the controller.
The equipment rack 100 is a mounting carrier of the simulation bench equipment and is mainly used for mounting other parts; the equipment racks 100 may be of various types, such as: rectangular frames, cylindrical frames, etc.; preferably, the equipment rack 100 includes an upper frame plate, a lower frame plate disposed on the lower side of the upper frame plate, four support legs disposed on the lower side of the upper frame plate in a rectangular shape, and adjustable support legs disposed at the lower ends of the support legs.
The camshaft installation assembly 200 is mainly used for installing and placing the automobile engine camshaft 800 so as to simulate the working environment of the automobile engine camshaft 800 in an automobile engine; the frame 210 is a support carrier of the camshaft mounting assembly 200, and is mainly used for supporting the camshaft mounting seat 220 and the camshaft outer cover 230; the structure of the machine frame 210 can be various, and preferably, as shown in fig. 1, the machine frame 210 includes a frame bottom plate 212 disposed on the top surface of the equipment rack 100, a left vertical plate 213 and a right vertical plate 214 disposed on the frame bottom plate 212 at intervals, and a frame top plate 211 disposed on the upper ends of the left vertical plate 213 and the right vertical plate 214. The camshaft mounting seat 220 is mainly used for assembling the automobile engine camshaft 800 and is provided with a structure matched with the automobile engine camshaft 800; the camshaft housing 230 is mainly used for housing the camshaft 800 of the automobile engine mounted on the camshaft mounting base 220 so as to inject lubricating hydraulic oil; the camshaft housing 230 is typically sealingly coupled to the top plate 211 of the frame 210.
The driving device 300 is a component for driving the camshaft 800 of the automobile engine to rotate, is powered by the driving motor 310, transmits power through the belt transmission mechanism 320 and carries a load applied by the gear train loading device 400. The driving motor 310 is generally disposed on the chassis frame 210 through a vibration-proof pad; the driving motor 310 may be various, and is preferably a variable frequency motor. The belt driving mechanism 320 may have various structures, and generally mainly includes a plurality of rollers and a belt 321 wound around each roller.
Preferably, as shown in fig. 2, the belt transmission mechanism 320 further includes a driving wheel 322, a first synchronizing wheel 323 and a second synchronizing wheel 324, which are rotatably disposed on the right vertical plate 214 of the chassis frame 210; the driving wheel 322 is connected with the driving motor 310 through the transmission shaft 311, the first synchronous wheel 323 is positioned above the driving wheel 322, the second synchronous wheel 324 is positioned between the driving wheel 322 and the first synchronous wheel 323, the upper edge of the second synchronous wheel 324 is higher than the lower edge of the first synchronous wheel 323, and the belt pulley 325 is positioned above the first synchronous wheel 323; the belt 321 is disposed around the lower edge of the driving wheel 322, the upper edge of the second timing wheel 324, the lower edge of the first timing wheel 323, and the upper edge of the pulley 325 in this order.
In order to protect the belt drive 320 and facilitate viewing of the drive components, a transparent cover is typically provided around the belt drive 320.
Specifically, the transmission shaft 311 is connected to the first coupling 312 through the torque sensor 620, and then is in transmission connection with the driving motor 310. For protection, a protective cover 313 is usually provided outside the first coupling 312.
The train loading device 400 in the loading system mainly drives the tension pulley 420 to apply a load to the belt 321 through the telescopic component 410. The telescopic member 410 may be various, for example: cylinder, pneumatic cylinder, piston cylinder, crank link mechanism etc..
In order to improve the accuracy of applying the load, as shown in fig. 2, the wheel train load device 400 further includes a mounting vertical plate 430 disposed on the equipment rack 100, the telescopic member 410 includes a screw nut 412 disposed on the mounting vertical plate 430, a ball screw 413 threadedly mounted in the screw nut 412, and a load motor 414 in transmission connection with one end of the ball screw 413, and the load motor 414 is electrically connected to the controller; the other end of the ball screw 413 is connected with the telescopic rod 411 in a translation manner. The translational connection means that the telescopic rod 411 and the ball screw 413 can move axially after being connected, but do not rotate along with the ball screw; the translational connection mode can be various, such as: the telescopic rod 411 is rotatably connected to the other end of the ball screw 413, and a limiting member or a guiding structure is provided to limit the rotation of the telescopic rod 411.
Specifically, the load motor 414 is connected to the ball screw 413 through a second coupling 415. The load motor 414 may be of various types, and is preferably a variable frequency motor.
The load system generally further comprises a vacuum pumping device 700, wherein an air outlet of the vacuum pumping device 700 is communicated with the outside atmosphere, and an air pumping port of the vacuum pumping device 700 is used for being connected with the end part of the camshaft 800 of the automobile engine in a closed mode to form a vacuum load. In operation, the evacuation device 700 is capable of evacuating an end of the camshaft 800 of an automotive engine to simulate the vacuum load of the camshaft. The evacuation device 700 may be various, and is preferably a vacuum pump.
The monitoring system is mainly used for monitoring the working parameters of the simulation bench device in the test process of the camshaft 800 of the automobile engine so as to facilitate the smooth operation of the test. The display is mainly used for displaying the working parameters of the equipment so as to control and adjust; the display may be of various kinds, preferably a touch screen. The force sensor 610 is mainly used for detecting the magnitude of the load force applied by the telescopic member 410 to the belt 321. In order to ensure the safe operation of the equipment, the monitoring system usually further includes an emergency stop switch electrically connected to the controller.
Preferably, the monitoring system further comprises a pressure sensor and a temperature sensor disposed on the top plate 211 of the chassis frame 210, and a rotation speed sensor and a torque sensor 620 disposed on the pulley 325, wherein the pressure sensor, the temperature sensor, the rotation speed sensor and the torque sensor 620 are respectively electrically connected to the controller. The monitoring system can monitor the temperature and the pressure of the lubricating hydraulic oil in the camshaft outer cover 230 in real time through the pressure sensor and the temperature sensor, and once the parameters of the pressure sensor and the pressure sensor exceed set values, the controller controls the simulation rack device to give an alarm immediately and stop. The rotation speed and torque parameters of the camshaft 800 of the automobile engine can be monitored in real time through the rotation speed sensor and the torque sensor 620. The pressure parameter, the temperature parameter, the pressure parameter, the rotating speed parameter, the torque parameter and the like can be monitored in real time through the display so as to control and adjust.
Claims (10)
1. Automobile engine camshaft is experimental with simulation rack equipment, its characterized in that: the device comprises an equipment rack (100), a camshaft mounting assembly (200), a driving device (300), a load system, an oil supply system (500) and a monitoring system;
the camshaft mounting assembly (200) comprises a machine frame (210) arranged on the equipment rack (100), a camshaft mounting seat (220) arranged on a frame top plate (211) of the machine frame (210) and a camshaft outer cover (230) which covers the frame top plate (211) of the machine frame (210) and covers the camshaft mounting seat (220), wherein a belt pulley (325) which is in transmission connection with a camshaft (800) of an automobile engine is arranged on the camshaft mounting seat (220);
the driving device (300) comprises a driving motor (310) and a belt transmission mechanism (320); the driving motor (310) is in transmission connection with a belt pulley (325) on the camshaft mounting seat (220) through a belt transmission mechanism (320);
the load system comprises a gear train load device (400), wherein the gear train load device (400) comprises a telescopic component (410) and a tension pulley (420) which is rotatably arranged at the end part of a telescopic rod (411) of the telescopic component (410), and the tension pulley (420) is abutted against a belt (321) of a belt transmission mechanism (320);
the oil supply system (500) comprises a circulating oil pipe and a hydraulic lubricating station (510), and the hydraulic lubricating station (510) is circularly connected with an oil inlet and an oil outlet on the camshaft mounting assembly (200) through the circulating oil pipe;
the monitoring system comprises a controller, a display and a force sensor (610) arranged on the telescopic rod (411), wherein the driving motor (310), the hydraulic lubricating station (510), the force sensor (610) and the display are respectively electrically connected with the controller.
2. The simulation bench device for the camshaft test of an automobile engine according to claim 1, wherein: the machine seat frame (210) comprises a frame bottom plate (212) arranged on the top surface of the equipment rack (100), a left vertical plate (213) and a right vertical plate (214) which are arranged on the frame bottom plate (212) at intervals, and a frame top plate (211) arranged at the upper ends of the left vertical plate (213) and the right vertical plate (214).
3. The simulation bench device for the camshaft test of an automobile engine according to claim 2, wherein: the belt transmission mechanism (320) further comprises a driving wheel (322), a first synchronizing wheel (323) and a second synchronizing wheel (324), which are respectively and rotatably arranged on the right vertical plate (214) of the machine seat frame (210); the driving wheel (322) is connected with the driving motor (310) through a transmission shaft (311), the first synchronous wheel (323) is positioned above the side of the driving wheel (322), the second synchronous wheel (324) is positioned between the driving wheel (322) and the first synchronous wheel (323), the upper edge of the second synchronous wheel (324) is higher than the lower edge of the first synchronous wheel (323), and the belt pulley (325) is positioned on the upper side of the first synchronous wheel (323); the belt (321) is sequentially arranged around the lower edge of the driving wheel (322), the upper edge of the second synchronous wheel (324), the lower edge of the first synchronous wheel (323) and the upper edge of the belt pulley (325).
4. The simulation bench device for the camshaft test of an automobile engine according to claim 3, wherein: the outer cover of the belt transmission mechanism (320) is provided with a transparent cover shell.
5. The simulation bench device for the camshaft test of an automobile engine according to claim 3, wherein: the transmission shaft (311) is connected with the first coupling (312) through the torque sensor (620) and then is in transmission connection with the driving motor (310).
6. The simulation bench device for the camshaft test of an automobile engine according to claim 5, wherein: a protective cover (313) is arranged outside the first coupling (312).
7. The simulation bench device for the camshaft test of an automobile engine according to claim 5, wherein: the monitoring system further comprises a pressure sensor and a temperature sensor which are arranged on the frame top plate (211) of the frame (210), and a rotating speed sensor and a torque sensor (620) which are arranged on the transmission shaft (311), wherein the pressure sensor, the temperature sensor, the rotating speed sensor and the torque sensor (620) are respectively and electrically connected with the controller.
8. The simulation bench device for the camshaft test of an automobile engine according to any one of claims 1 to 7, wherein: the gear train load device (400) further comprises an installation vertical plate (430) arranged on the equipment rack (100), the telescopic part (410) comprises a screw nut (412) arranged on the installation vertical plate (430), a ball screw (413) installed in the screw nut (412) in a threaded mode and a load motor (414) in transmission connection with one end of the ball screw (413), and the load motor (414) is electrically connected with the controller; the other end of the ball screw (413) is connected with the telescopic rod (411) in a translation mode.
9. The simulation bench device for the camshaft test of an automobile engine according to claim 8, wherein: the load motor (414) is connected with the ball screw (413) through a second coupling (415).
10. The simulation bench device for the camshaft test of an automobile engine according to claim 8, wherein: the load system further comprises a vacuumizing device (700), an air outlet of the vacuumizing device (700) is communicated with the outside atmosphere, and an air pumping port of the vacuumizing device (700) is used for being connected with the end part of the camshaft (800) of the automobile engine in a closed mode to form a vacuum load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021415875.5U CN212379032U (en) | 2020-07-17 | 2020-07-17 | Simulation bench equipment for automobile engine camshaft test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021415875.5U CN212379032U (en) | 2020-07-17 | 2020-07-17 | Simulation bench equipment for automobile engine camshaft test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212379032U true CN212379032U (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021415875.5U Active CN212379032U (en) | 2020-07-17 | 2020-07-17 | Simulation bench equipment for automobile engine camshaft test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212379032U (en) |
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2020
- 2020-07-17 CN CN202021415875.5U patent/CN212379032U/en active Active
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