CN111947873A - Vibration test device for sealing gasket of automobile engine - Google Patents
Vibration test device for sealing gasket of automobile engine Download PDFInfo
- Publication number
- CN111947873A CN111947873A CN202010852750.7A CN202010852750A CN111947873A CN 111947873 A CN111947873 A CN 111947873A CN 202010852750 A CN202010852750 A CN 202010852750A CN 111947873 A CN111947873 A CN 111947873A
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- sealing gasket
- plate
- automobile engine
- engine cylinder
- gear
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
Abstract
The invention discloses a vibration test device for a sealing gasket of an automobile engine, which comprises an engine cylinder cover and an engine cylinder body, the sealing gasket is connected between the engine cylinder cover and the engine cylinder body, the inside of the sealing gasket is provided with a detection device which is convenient for detecting the real-time dislocation condition of the sealing gasket, the vibration test device of the sealing gasket of the automobile engine detects the position of the sealing gasket by installing the detection device in the engine cylinder cover, the trigger device of the device can generate power to drive the contact detection mechanism, thereby facilitating the end part of the rocking rod to rock and not to contact the position of the inner hole edge of the sealing gasket, generating electric signal feedback through the resistance card, therefore, the displacement condition of the sealing gasket is determined in real time, and because the trigger mechanism is not in direct contact with the contact mechanism, large acting force cannot be generated on the sealing gasket, and the experimental result is influenced.
Description
Technical Field
The invention relates to the technical field of sealing gasket detection, in particular to a vibration test device for a sealing gasket of an automobile engine.
Background
The sealing technical condition of the engine is used as one of the overall performance indexes of the engine, plays a very important role, and reflects the comprehensive technical level of the engine. The sealing gasket is positioned between the cylinder cover and the cylinder body of the engine, the sealing of the cylinder is ensured through the cylinder cover bolt, and the leakage of gas, cooling water and lubricating oil is prevented. The gasket must tightly seal the high-temperature and high-pressure gas generated in the cylinder and the cooling water and engine oil with certain pressure and flow rate penetrating through the gasket and can withstand the corrosion of the water, gas and oil. If the gasket is unreasonable in design, the sealing gasket can shift and misplace under the action of long-time road random vibration load, the dynamic property of the engine is reduced, the pressure of the cylinder is insufficient, even the phenomena of tempering of a carburetor and blasting of an exhaust pipe occur, the service life of the engine is seriously reduced, and therefore the sealing gasket needs to be tested in a vibration fatigue test. Therefore, the vibration test device for the sealing gasket of the automobile engine is provided.
Disclosure of Invention
The invention aims to provide a vibration test device for an automobile engine sealing gasket, which judges the displacement condition by detecting the inner edge of the gasket without points, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automobile engine seal gasket vibration test device, includes engine cylinder lid and engine cylinder body, be connected with sealed the pad between engine cylinder lid and the engine cylinder body, be provided with the detection device who is convenient for detect sealed real-time dislocation condition of filling up in sealed the pad.
Preferably, detection device is including installing the casing, the top of installation casing is connected with the fixed block, be connected with the tight circle on the fixed block, be provided with the trigger device who detects through vibration automatic triggering in the installation casing, be provided with the contact detection mechanism that the sealed marginal position of multiunit detection sealing and no reaction power between trigger device and the installation casing, tight circle is convenient for the device installation to the engine cylinder lid in to be convenient for detect.
Preferably, contact detection mechanism include with installation casing fixed connection's multiunit installation piece, adjacent it is connected with the rocking plate to rotate between the installation piece, the top fixedly connected with rotor plate of rocking plate, it is connected with the guide arm to rotate on the rocking plate, the both ends of guide arm are rotated and are connected with the guide pulley, be connected with the sector plate on the installation piece, be connected with the arc guide rail with guide pulley looks adaptation on the sector plate, the arc guide rail in-connection has the resistance card, and the constant movement of guide pulley and guide arm can change the resistance that the resistance card intervenes the circuit and change to carry out position judgement.
Preferably, the trigger device includes the connecting rod with installation piece fixed connection, the multiunit be connected with solid fixed ring between the connecting rod, gu fixed ring's bottom is connected with the collar, be connected with the bottom plate in the collar, be connected with the spring on the bottom plate, just the other end of spring is connected with the sliding block, be connected with the drive plate on the sliding block, be connected with the intermittent type touch device that the multiunit enlarges the stroke between drive plate and the rotor plate, the spring is convenient for the striking of sliding block vibration to cushion.
Preferably, intermittent type trigger includes the multiunit pivot of being connected with the collar rotation, be connected with the first gear and the second gear of coaxial setting in the pivot, be connected with the first rack of being connected with first gear engagement on the drive plate, the multiunit be provided with go-between and support ring on the connecting rod, be connected with the multiunit limiting plate on the go-between, per two sets of sliding connection has the push pedal between the limiting plate, be connected with the second rack of being connected with second gear engagement in the push pedal, be connected with the multiunit deflector on the support ring, sliding connection has the transfer line of being connected with push pedal and rotor plate respectively in the deflector, and the coaxial setting of two gear of variation in size is convenient for enlarge the removal stroke of first rack to the second rack, and the advance action of being convenient for triggers.
Preferably, each first gear on the rotating shaft is provided with two groups and is positioned on two sides of the second gear, and the two first gears are convenient for driving more evenly.
Preferably, the shaking plate is connected with a balancing weight, so that the shaking plate is conveniently positioned in a vertical state at the beginning.
Preferably, be provided with the guide ring with sliding block sliding connection in the solid fixed ring to the more stable slip of sliding block.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the position of the sealing gasket is detected by installing the detection device in the engine cylinder cover, the trigger device of the device can generate power to drive the contact detection mechanism, so that the end part of the rocking rod can rock without being in continuous contact with the position of the inner hole edge of the sealing gasket, and an electric signal feedback is generated through the resistance card, so that the displacement condition of the sealing gasket is determined in real time, and because the trigger mechanism is not in direct contact with the contact mechanism, a larger acting force cannot be generated on the sealing gasket, so that the experimental result is influenced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic half-sectional view of the mounting housing and the fixing block of the present invention;
FIG. 3 is a schematic view of the internal structure of the mounting housing of the present invention;
FIG. 4 is a schematic view of a part of the structure of the detecting device;
FIG. 5 is an enlarged view of the structure of area A in FIG. 4;
FIG. 6 is an enlarged view of the structure of the area B in FIG. 4;
FIG. 7 is a schematic view of a partial result development of the contact detection mechanism;
fig. 8 is a schematic view of the installation of the arc-shaped guide rails and the resistor discs.
In the figure: 1-a sealing gasket; 2-a detection device; 3, mounting a shell; 4, fixing blocks; 5-a dense ring; 6-a trigger device; 7-a contact detection mechanism; 8, mounting a block; 9-shaking the movable plate; 10-a rotating plate; 11-a guide bar; 12-a guide wheel; 13-sector plates; 14-an arc-shaped guide rail; 15-resistance card; 16-a connecting rod; 17-a fixing ring; 18-a mounting ring; 19-a base plate; 20-a spring; 21-a slider; 22-a drive plate; 23-intermittent actuation means; 24-a rotating shaft; 25-a first gear; 26-a second gear; 27-a first rack; 28-a connecting ring; 29-support ring; 30-limiting plate; 31-a push plate; 32-a second rack; 33-a guide plate; 34-a transmission rod; 35-a counterweight block; 36-guide ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides an automobile engine seal gasket vibration test device, includes engine cylinder lid and engine cylinder body, be connected with sealed 1 of filling up between engine cylinder lid and the engine cylinder body, carry out the vibration simulation on engine cylinder lid, engine cylinder body and sealed 1 installation of filling up after finishing on the vibration simulation platform of integral erection, be provided with the detection device 2 of the real-time dislocation condition of the sealed 1 of packing up of being convenient for to seal up in 1, detection device 2 installs on the cavity in the engine cylinder lid, detects the edge of the hole of the sealed 1 of packing up to judge the position.
The contact detection mechanism 7 comprises a plurality of groups of mounting blocks 8 fixedly connected with the mounting shell 3, a rocking plate 9 is rotatably connected between every two adjacent mounting blocks 8, the bottom of the rocking plate 9 can be continuously contacted with the edge of an inner hole of a sealing gasket when rocking, after the rocking plate 9 is shifted, the detected position can be changed, so that the position can be judged, furthermore, a rotating plate 10 is fixedly connected to the top of the rocking plate 9, the rotating plate 10 has two functions, one is to transmit power to drive the rocking plate 9 to rotate, the other is to transmit signals, a guide rod 11 is rotatably connected to the rocking plate 9, guide wheels 12 are rotatably connected to two ends of the guide rod 11, a sector plate 13 is connected to the mounting blocks 8, an arc-shaped guide rail 14 matched with the guide wheels 12 is connected to the sector plate 13, resistance discs 15 are connected in the arc-shaped guide rail 14, and the two resistance discs 15 are respectively connected with a positive electrode and a, thereby produce the signal of telecommunication, along with the removal of rocking plate 9, the resistance value that the removal of guide pulley 12 can make resistance card 15 access circuit is different to can measure the change of resistance value that rocking plate 9 tip is located sealed 1 hole border position of filling up, thereby judge the position, be connected with balancing weight 35 on the rocking plate 9, because the rotor plate 10 is located rocking plate 9 one side, consequently under normal conditions, rocking plate 9 can be partial to one side, consequently sets up balancing weight 35 at the opposite side, makes it can not produce the partial deviation under normal conditions.
In addition, trigger device 6 includes connecting rod 16 with installation piece 8 fixed connection, the multiunit be connected with solid fixed ring 17 between the connecting rod 16, gu fixed ring 17's bottom is connected with collar 18, collar 18 in-connection has bottom plate 19, be connected with spring 20 on the bottom plate 19, just spring 20's the other end is connected with sliding block 21, because during the vibration test vibration, can make sliding block 21 up-and-down motion, spring 20 is spacing and buffering the up-and-down displacement of sliding block 21, prevents to strike the part of device, be connected with drive plate 22 on the sliding block 21, be connected with the intermittent type touch device 23 that the multiunit enlarges the stroke between drive plate 22 and the rotor plate 10, drive plate 22 can disperse the drive condition of sliding block away, transmit on multiunit intermittent type touch device 23.
The intermittent actuator 23 includes a plurality of sets of rotating shafts 24 rotatably connected to the mounting ring 18, the rotating shafts 24 are connected to first and second gears 25 and 26 coaxially disposed, the driving plate 22 is connected to a first rack 27 engaged with the first gear 25, movement of the driving plate 22 drives the first rack to move up and down, so that the first gear 25 rotates and drives the second gear 26, the first gear 25 on each rotating shaft 24 is provided with two sets of gears and located on two sides of the second gear 26, the first gear 25 on each side enables transmission to be more balanced, since the reference circle diameter of the second gear 26 is larger than the reference circle diameter of the first gear 25, the linear velocity of the second gear 26 is larger, a plurality of sets of connecting rods 16 are provided with a connecting ring 28 and a supporting ring 29, the connecting ring 28 is connected to a plurality of sets of limiting plates 30, and a push plate 31 is slidably connected between each two sets of limiting plates 30, be connected with the second rack 32 of being connected with the meshing of second gear 26 on the push pedal 31, the rotation of second gear 26 drives second rack 32, because the reference circle diameter is bigger, consequently the removal stroke of second rack 32 is greater than first rack 27 to the stroke is enough to make push pedal 31 remove, be connected with multiunit deflector 33 on the support ring 29, sliding connection has the transfer line 34 of being connected with push pedal 31 and rotor plate 10 respectively in the deflector 33, and push pedal 31 removes and can contact transfer line 34, and the contact can make transfer line 34 promote rotor plate 10, and the both ends of transfer line 34 all are connected with the stopper, so that can restrict the stroke at its both ends, can not excessive removal.
The fixed ring 17 is provided with a guide ring 36 slidably connected with the slide block 21, so that the slide block 21 can slide more stably without being deviated to the periphery.
It is 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automobile engine seal gasket vibration test device, includes engine cylinder lid and engine cylinder body, be connected with sealed pad (1), its characterized in that between engine cylinder lid and the engine cylinder body: be provided with detection device (2) that are convenient for detect the real-time dislocation condition of sealed pad (1) in sealed pad (1).
2. The vibration testing device for the sealing gasket of the automobile engine according to claim 1, wherein: detection device (2) are including installation casing (3), the top of installation casing (3) is connected with fixed block (4), be connected with dense circle (5) on fixed block (4), be provided with trigger device (6) through vibration automatic triggering detection in installation casing (3), be provided with contact detection mechanism (7) that the sealed pad (1) border position of multiunit detection and no reaction power between trigger device (6) and installation casing (3).
3. The vibration testing device for the sealing gasket of the automobile engine according to claim 2, wherein: contact detection mechanism (7) include with installation casing (3) fixed connection's multiunit installation piece (8), and are adjacent it is connected with rocking plate (9) to rotate between installation piece (8), the top fixedly connected with rotor plate (10) of rocking plate (9), it is connected with guide arm (11) to rotate on rocking plate (9), the both ends of guide arm (11) are rotated and are connected with guide pulley (12), be connected with sector plate (13) on installation piece (8), be connected with arc guide rail (14) with guide pulley (12) looks adaptation on sector plate (13), arc guide rail (14) in-connection has resistance card (15).
4. The vibration testing device for the sealing gasket of the automobile engine according to claim 3, wherein: trigger device (6) include with installation piece (8) fixed connection's connecting rod (16), the multiunit be connected with solid fixed ring (17) between connecting rod (16), the bottom of gu fixed ring (17) is connected with collar (18), collar (18) in-connection has bottom plate (19), be connected with spring (20) on bottom plate (19), just the other end of spring (20) is connected with sliding block (21), be connected with drive plate (22) on sliding block (21), be connected with multiunit between drive plate (22) and rotor plate (10) and enlarge intermittent type touching device (23) of stroke.
5. The vibration testing device for the sealing gasket of the automobile engine according to claim 4, wherein: the intermittent triggering device (23) comprises a plurality of groups of rotating shafts (24) which are rotationally connected with the mounting ring (18), the rotating shaft (24) is connected with a first gear (25) and a second gear (26) which are coaxially arranged, a first rack (27) which is meshed and connected with a first gear (25) is connected on the driving plate (22), a plurality of groups of connecting rods (16) are provided with connecting rings (28) and supporting rings (29), a plurality of groups of limit plates (30) are connected on the connecting ring (28), a push plate (31) is connected between every two groups of limit plates (30) in a sliding way, the push plate (31) is connected with a second rack (32) which is meshed and connected with the second gear (26), the support ring (29) is connected with a plurality of groups of guide plates (33), and the guide plates (33) are connected with transmission rods (34) which are respectively connected with the push plate (31) and the rotating plate (10) in a sliding manner.
6. The vibration testing device for the sealing gasket of the automobile engine according to claim 5, wherein: two groups of first gears (25) are arranged on each rotating shaft (24) and are positioned on two sides of the second gear (26).
7. The vibration testing device for the sealing gasket of the automobile engine according to claim 6, wherein: and a balancing weight (35) is connected to the rocking plate (9).
8. The vibration testing device for the sealing gasket of the automobile engine according to claim 7, wherein: and a guide ring (36) which is in sliding connection with the sliding block (21) is arranged in the fixing ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852750.7A CN111947873B (en) | 2020-08-22 | 2020-08-22 | Vibration test device for sealing gasket of automobile engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852750.7A CN111947873B (en) | 2020-08-22 | 2020-08-22 | Vibration test device for sealing gasket of automobile engine |
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| CN111947873A true CN111947873A (en) | 2020-11-17 |
| CN111947873B CN111947873B (en) | 2022-04-08 |
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| CN111947873B (en) | 2022-04-08 |
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Effective date of registration: 20220321 Address after: 055150 Tian Kou Xiang Tian Yu Zhuang Cun, Ren county, Xingtai City, Hebei Province Applicant after: Hebei xinshitai seal Co.,Ltd. Address before: 611630 No.3, group 9, Linyu, Chaoyang Lake Town, Pujiang County, Chengdu City, Sichuan Province Applicant before: Chen Yu |
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