CN112304507A - Vehicle engine seal structure testing arrangement - Google Patents
Vehicle engine seal structure testing arrangement Download PDFInfo
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- CN112304507A CN112304507A CN202011374212.8A CN202011374212A CN112304507A CN 112304507 A CN112304507 A CN 112304507A CN 202011374212 A CN202011374212 A CN 202011374212A CN 112304507 A CN112304507 A CN 112304507A
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention belongs to the technical field of vehicle detection equipment, and particularly relates to a vehicle engine sealing structure testing device. The sealing test device comprises a base, wherein an engine placing frame and a sealing test assembly are arranged on the base; the engine placing frame comprises supporting legs and a bottom leakage detecting unit arranged on the supporting legs; the bottom leakage detecting unit comprises a shell, a controller, a buzzer and a display, wherein a deformable telescopic strip layer, an adsorption layer, a waterproof and oil-proof layer and a deformation layer are sequentially arranged in the shell from top to bottom, and a humidity sensor is arranged in the telescopic strip layer; the sealing test assembly comprises a front leakage detecting unit, a top leakage detecting unit, a left leakage detecting unit, a right leakage detecting unit, a rear leakage detecting unit and a displacement assembly for controlling displacement of the five leakage detecting units. According to the invention, the six leakage detection units are arranged to wrap the engine and carry out leakage test operation, the contact surface with the engine is large, the engine can be subjected to comprehensive leakage detection, the detection efficiency is high, and the leakage detection cannot be carried out.
Description
Technical Field
The invention belongs to the technical field of vehicle detection equipment, and particularly relates to a vehicle engine sealing structure testing device.
Background
The vehicle engine (also called automobile engine) is a device for providing power for the vehicle, is the heart of the vehicle, and determines the dynamic property, the economical efficiency, the stability and the environmental protection property of the vehicle. Vehicle engines can be classified into diesel engines, gasoline engines, electric car motors, hybrid engines, and the like, according to the power source.
The engine sealing structure is a structure for sealing the joint of engine parts and preventing liquid leakage, such as an oil seal. The sealing performance of the engine can cause the problems of oil leakage, poor combustion performance, insufficient power and incapability of working, thereby causing vehicle failure. When the vehicle runs, the engine is in a shaking and high-speed running state, the original fine liquid leakage problem is enlarged, and serious people can cause traffic accidents. Therefore, it is necessary to periodically leak the engine seal structure. In the prior art, the sealing performance of the sealing structure is tested by adopting a small number of contact surfaces between leakage detection equipment and an engine, the testing method is generally point-by-point leakage detection, but a plurality of sealing structures exist on one engine, and the point-by-point inspection method needs repeated operation, is time-consuming and labor-consuming, and is easy to leak.
Disclosure of Invention
In order to solve the technical problem, the invention provides a vehicle engine sealing structure testing device.
The invention aims to provide a vehicle engine sealing structure testing device, which comprises:
the sealing test device comprises a base, a sealing test device and a sealing test device, wherein an engine placing frame and a sealing test assembly are arranged on the base;
the engine placing frame comprises supporting legs and a bottom leakage detecting unit arranged on the supporting legs;
the bottom leakage detecting unit comprises a shell, wherein a deformable telescopic strip layer, an adsorption layer, a waterproof and oil-proof layer and a deformation layer are sequentially arranged in the shell from top to bottom, the telescopic strip layer can adsorb liquid leaked by an engine, and a humidity sensor is arranged in the telescopic strip layer; the bottom leakage detecting unit also comprises a controller, a buzzer and a display, wherein the controller is respectively connected with the humidity sensor, the buzzer and the display;
the sealing test component comprises a front leakage detection unit, a top leakage detection unit, a left leakage detection unit, a right leakage detection unit, a rear leakage detection unit and a displacement component for controlling displacement of the five leakage detection units; the front part leak detection unit, the top leak detection unit, the left side leak detection unit, the right side leak detection unit, the rear part leak detection unit and the bottom leak detection unit are the same in structure, the engine can be wrapped after the six leak detection units are combined, and all the telescopic strip layers are arranged towards the engine.
Preferably, above-mentioned vehicle engine seal structure testing arrangement, flexible strip layer includes a plurality of cavitys and the waterproof removal strip of array distribution, and is adjacent remove and connect through elastomeric element between the strip lateral wall, every remove the inside absorption strip that all packs of strip, it is provided with humidity transducer to inlay in the absorption strip.
Preferably, in the vehicle engine sealing structure testing device, the movable strip is fixedly connected with the adsorption layer and the deformation layer.
Preferably, in the vehicle engine sealing structure testing device, the adsorption layer is made of memory cotton capable of adsorbing liquid or sponge with springs embedded inside.
Preferably, in the vehicle engine sealing structure testing device, the waterproof and oilproof layer is a waterproof and oilproof cloth or a waterproof and oilproof film.
Preferably, in the vehicle engine sealing structure testing device, the deformation layer comprises an elastic bag, and the elastic bag is wrapped with memory cotton or wrapped with sponge embedded with a spring.
Preferably, in the vehicle engine sealing structure testing device, the displacement assembly comprises a front displacement assembly and a rear displacement assembly; one end of the front displacement assembly is connected to the base in a sliding mode, and the other end of the front displacement assembly is connected with the front leakage detecting unit; rear portion displacement subassembly bottom sliding connection in on the base, top, left side, right side, front side respectively with top leak hunting unit, left side leak hunting unit, right side leak hunting unit, rear portion leak hunting unit are connected.
Preferably, in the vehicle engine sealing structure testing device, the front displacement assembly includes a front longitudinal telescopic rod and a front transverse telescopic rod, a fixed end of the front longitudinal telescopic rod is connected to the base, a telescopic end of the front longitudinal telescopic rod is fixedly connected to a fixed end of the front transverse telescopic rod, and a telescopic end of the front transverse telescopic rod is connected to the front leakage detecting unit; and the base is provided with a singlechip for controlling the front longitudinal telescopic rod and the front transverse telescopic rod to work.
Preferably, above-mentioned vehicle engine seal structure testing arrangement, rear portion displacement subassembly includes rear portion longitudinal extension pole, attach fitting, rear portion horizontal telescopic link, left telescopic link, right telescopic link, the one end sliding connection of rear portion longitudinal extension pole in on the base, the attach fitting is installed to the other end, the left side of attach fitting, right side, top correspond respectively install the stiff end of left side telescopic link the stiff end of right telescopic link the stiff end of rear portion horizontal telescopic link, the flexible end of left side telescopic link, right telescopic link, rear portion horizontal telescopic link correspond respectively and are connected with left side leak hunting unit, right side leak hunting unit the leak hunting unit in top, the front surface fixed mounting of attach fitting has rear portion leak hunting unit.
Preferably, the base is provided with a slide rail extending from the front to the rear, and the front displacement assembly and the rear displacement assembly are both in sliding connection with the slide rail.
Compared with the prior art, the invention has the following beneficial effects:
1. because the surface of the engine is in an irregular shape, the engine is wrapped by the front leakage detecting unit, the top leakage detecting unit, the left leakage detecting unit, the right leakage detecting unit, the rear leakage detecting unit and the bottom leakage detecting unit, and leakage is detected, so that the engine leakage detecting device has a large contact surface with the engine, can perform one-time comprehensive leakage detecting work on the engine, improves the detection efficiency and cannot leak the detection. The device is particularly suitable for testing a newly developed engine sealing mechanism, and sealing detection or leakage detection operation is carried out after the engine is disassembled.
2. Utilize controller and the accurate work of each part of control of singlechip, can know concrete engine leakage point position fast, it is efficient.
3. The flexible strip layer of each leak hunting unit can take place deformation, with engine surface each in close contact with, the back is revealed in the specific position emergence, then is rapidly by its inside absorption strip absorption liquid, and then is detected by humidity transducer, improves the leakage point positioning accuracy.
Drawings
FIG. 1 is a schematic front view of a vehicle engine seal structure testing device according to the present invention;
FIG. 2 is a schematic front view of the vehicle engine seal configuration testing apparatus of the present invention with the front displacement assembly and the front leak detection unit removed;
FIG. 3 is a schematic structural view of the back side of the vehicle engine seal structure testing device of the present invention;
FIG. 4 is a top view of the vehicle engine seal configuration testing apparatus of the present invention;
FIG. 5 is a schematic view of an undeformed configuration of the bottom leak detection unit of the present invention;
FIG. 6 is a schematic diagram of a deformed bottom leakage detection unit of the present invention;
fig. 7 is a schematic view of the connection between the moving bar and the suction bar according to the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention to be implemented, the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
In the present invention, the "front and front" orientation is the one directly shown in fig. 1; the 'rear' is opposite to the 'front'; the "up/top, down/bottom, left, right" orientations correspond to the "up/top, down/bottom, left, right" orientations shown in FIG. 1, respectively.
The invention provides a vehicle engine sealing structure testing device, which comprises a base 1, wherein the base 1 is used for bearing, and an engine placing frame and a sealing testing assembly are arranged on the base 1, as shown in figures 1-7. The engine placing frame comprises at least four supporting legs 2 and a bottom leakage detecting unit 3; all legs 2 are arranged around the bottom leak detection unit 3.
Bottom leak detection unit 3 referring to fig. 5-7, the structure is as follows: including annular shell 31, shell 31 is inside from the top down sets gradually the flexible strip layer 32, adsorbed layer 33, waterproof oil-proof layer 34, the deformation layer 35 of homoenergetic deformation, and bottom leak hunting unit 3 still includes controller, bee calling organ and display, and adsorbed layer 33 and deformation layer 35 homoenergetic automatic recovery shape, waterproof oil-proof layer 34 is deformable. The telescopic strip layer 32 comprises a plurality of hollow and waterproof moving strips 321 distributed in a grid-shaped array, the outer side walls of the moving strips 321 are smooth, and the outer side walls of the adjacent moving strips 321 are connected through elastic components such as elastic ropes or springs. Each moving strip 321 is filled with an adsorption strip 322, a humidity sensor 323 is embedded in each adsorption strip 322, and the upper surface of the telescopic strip layer 32 is used for contacting with the bottom of the engine 36. Since the surface of the engine 36 is irregular, by providing the plurality of moving strips 321, after the protruding portion on the surface of the engine 36 contacts with the moving strips 321, the moving strips 321 move toward the direction of the deformation layer 35, and the position of the bottom leak detection unit 3 moves toward the direction of the engine 36, so that each position of the engine 36 contacts with the corresponding moving strip 321, and the expansion strip layer 32 is expanded and contracted, referring to fig. 6.
Should motor 36 leak, and fluid leaking from the corresponding leak point enters absorbent strip 322, a change in humidity is detected by humidity sensor 323 in absorbent strip 322, and bottom leak detection unit 3 further includes at least one controller mounted in housing 31 or in base 1. The controller is wirelessly connected to all of the humidity sensors 323. It should be noted that, when the number of the humidity sensors 323 is greater than the number of pins of one controller, the number of the controllers should be increased to ensure that each humidity sensor 323 is connected to the controller. All be connected with bee calling organ and display on every controller, bee calling organ and display are installed at base 1 or all install on shell 31, in advance to every humidity transducer 323 serial number to correspond its positional information and serial number, the humidity value that receives humidity transducer 323 when the controller changes, then control bee calling organ and report to the police, the serial number of corresponding humidity transducer 323 of simultaneous control display demonstration, then concrete engine leakage point position can be known fast to the testing personnel. The sealing performance of the sealing structure can be tested, and the leakage detection test can be performed on the pipe wall and the side wall of the engine, so that multiple purposes are achieved. Preferably, the lengths of the movable strips 321 and the corresponding adsorption strips 322 are equal, and the movable strips 321 and the corresponding adsorption strips 322 correspond to specific engine positions, so that the movable strips 321 are waterproof, and after leakage occurs at the specific positions, liquid is quickly adsorbed by the internal adsorption strips 322 and is further detected by the humidity sensor 323, and the positioning accuracy of the leakage points is improved.
The absorption layer 33 is made of memory cotton capable of absorbing liquid or sponge with springs embedded inside, and is used for absorbing liquid leaked by the engine 36 and liquid leaked by the absorption bars 322, so that liquid leakage to the environment is reduced. The waterproof and oilproof layer 34 is a 1-5 mm waterproof and oilproof cloth or a waterproof and oilproof film, and is used for isolating the adsorption layer 33 from the deformation layer 35 and preventing the deformation layer 35 from being polluted. The deformation layer 35 is an elastic bag wrapped with memory cotton or a sponge embedded with springs, the elastic bag is made of rubber or latex materials and is used for protecting the adsorption layer 33 and the waterproof and oil-proof layer 34 and avoiding the damage of the adsorption layer 33 and the waterproof and oil-proof layer from external collision. When bottom leak hunting unit and 36 in close contact with of engine, then adsorbed layer 33, waterproof oil-proof layer 34, deformation layer 35 and flexible strip layer 32 take place deformation in step, when removing engine 36, then adsorbed layer 33, deformation layer 35 reply the shape automatically, and waterproof oil-proof layer 34 thickness is thin, so reply the shape together along with flexible strip layer 32, adsorbed layer 33, deformation layer 35, can carry out the detection of next engine. When the humidity value detected by the at least one humidity sensor 323 is 100%, the bottom leak detection unit 3 needs to be dried.
Preferably, the moving strip 321 can be a cubic tube with 1-3 cm side and 2-10 cm length or a circular tube with 1-3 cm diameter and 2-10 cm length.
Preferably, the movable strip 321 and the adsorption layer 33, and the adsorption layer 33 and the deformation layer 35 are fixedly connected, so that the deformation synchronism between the movable strip 321 and the adsorption layer 33 is improved.
The seal testing assembly comprises a front displacement assembly and a rear displacement assembly which are connected to the base 1 in a front-rear sliding manner, and the front displacement assembly comprises a front longitudinal telescopic rod 4 and a front transverse telescopic rod 41. The base 1 is fixedly provided with a slide rail 11 extending from the front to the back, the fixed end of the front longitudinal telescopic rod 4 is fixed or connected on the slide rail 11 in a sliding manner, and when the fixed end of the front longitudinal telescopic rod 4 is connected with the base 1 in a sliding manner, a limiting pin shaft is arranged between the fixed end of the front longitudinal telescopic rod 4 and the base 1. The telescopic end of the front longitudinal telescopic rod 4 and the fixed end of the front transverse telescopic rod 41 are fixedly connected with the telescopic end of the front transverse telescopic rod 41 and the front leakage detecting unit 42.
The rear displacement assembly comprises a rear longitudinal telescopic rod 5, a mounting joint 51, a rear transverse telescopic rod 52, a left telescopic rod 53, a right telescopic rod 54. The rear longitudinal telescopic rod 5 is connected to the slide rail 11 in a sliding manner, a limiting pin shaft is installed between the fixed end of the rear longitudinal telescopic rod and the base 1, and a plurality of limiting holes matched with the limiting pin shafts are formed in the base 1. The erection joint 51 is installed to the flexible end of vertical telescopic link 5, and the stiff end of left telescopic link 53 is installed in the left side of erection joint 51, and left side leak hunting unit 56 is installed to the flexible end of left telescopic link 53, and the stiff end of right telescopic link 54 is installed on the right side of erection joint 51, and right side leak hunting unit 57 is installed to the flexible end of right telescopic link 54. The fixed end of the rear transverse telescopic rod 52 is installed at the top of the mounting joint 51, and the top leakage detecting unit 55 is installed at the telescopic end of the rear transverse telescopic rod 52. A rear leak detection unit 58 is fixedly mounted to the front surface of the mounting fitting 51.
The left side leak detection unit 56, the right side leak detection unit 57, the top leak detection unit 55, the front leak detection unit 42 and the rear leak detection unit 58 are all the same as the bottom leak detection unit 3 in structure and working principle, and are connected with adjacent components through a shell, so that the deformation of the telescopic strip layer 32, the adsorption layer 33, the waterproof and oilproof layer 34 and the deformation layer 35 is not influenced. Left side leak detection unit 56, right side leak detection unit 57, top leak detection unit 55, front leak detection unit 42, and rear leak detection unit 58 are used to detect the leak tightness of the left side, right side, top, front, and rear surfaces of the engine, respectively. It should be noted that bottom leak detection unit 3, top leak detection unit 55, front leak detection unit 42, rear leak detection unit 58, left side leak detection unit 56, and right side leak detection unit 57 can be combined to completely enclose engine 36, with all of the telescoping strap layers 32 disposed toward the engine. It should be noted that all the telescopic rods used in the embodiment of the present invention are electric telescopic rods in the prior art.
Install the singlechip of each telescopic link work of control on base 1, arrange engine 36 in bottom leak detection unit 3 earlier, then utilize each telescopic link work of singlechip control, make anterior leak detection unit 42, rear portion leak detection unit 58, left side leak detection unit 56, right side leak detection unit 57 can wrap up engine 36 completely after can making up, and with corresponding engine 36 surface contact, the contact surface of leak detection equipment and engine is big, can carry out the disposable comprehensive leak detection work of engine 36, and the detection efficiency is improved, and leak detection can not be missed. The device is particularly suitable for testing a newly developed engine sealing mechanism, and sealing detection or leakage detection operation is carried out after the engine is disassembled.
It should be noted that, the connection relation of the components not specifically mentioned in the present invention is the default of the prior art, and the connection relation of the structures is not described in detail since it does not relate to the invention point and is a common application of the prior art.
It should be noted that, when the present invention relates to a numerical range, it should be understood that two endpoints of each numerical range and any value between the two endpoints can be selected, and since the steps and methods adopted are the same as those in the embodiment, in order to prevent redundancy, the present invention describes a preferred embodiment. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A vehicle engine seal structure testing device, characterized by comprising:
the sealing test device comprises a base (1) on which an engine placing frame and a sealing test assembly are arranged;
the engine placing frame comprises supporting legs (2) and a bottom leakage detecting unit (3) installed on the supporting legs (2);
the bottom leakage detection unit (3) comprises a shell (31), a deformable telescopic strip layer (32), an adsorption layer (33), a waterproof and oil-proof layer (34) and a deformation layer (35) are sequentially arranged in the shell (31) from top to bottom, the telescopic strip layer (32) can adsorb liquid leaked by an engine, and a humidity sensor (323) is arranged in the telescopic strip layer; the bottom leakage detecting unit (3) further comprises a controller, a buzzer and a display, wherein the controller is respectively connected with the humidity sensor (323), the buzzer and the display;
the seal testing assembly comprises a front leakage detecting unit (42), a top leakage detecting unit (55), a left leakage detecting unit (56), a right leakage detecting unit (57), a rear leakage detecting unit (58) and a displacement assembly for controlling the displacement of the five leakage detecting units; the front leakage detecting unit (42), the top leakage detecting unit (55), the left leakage detecting unit (56), the right leakage detecting unit (57) and the rear leakage detecting unit (58) are identical in structure to the bottom leakage detecting unit (3), the engine can be wrapped after the six leakage detecting units are combined, and all the telescopic strip layers (32) are arranged towards the engine.
2. The vehicle engine sealing structure testing device according to claim 1, wherein the telescopic strip layer (32) comprises a plurality of hollow and waterproof moving strips (321) distributed in an array manner, outer side walls of the adjacent moving strips (321) are connected through an elastic component, an adsorption strip (322) is filled in each moving strip (321), and a humidity sensor (323) is embedded in each adsorption strip (322).
3. The vehicle engine seal structure testing device according to claim 2, wherein the moving strip (321) and the adsorption layer (33) and the deformation layer (35) are fixedly connected.
4. The vehicle engine seal structure testing device according to claim 2, wherein the adsorption layer (33) is made of memory cotton capable of adsorbing liquid or sponge with a spring embedded therein.
5. The vehicle engine seal structure testing device according to claim 4, wherein the waterproof and oilproof layer (34) is a waterproof and oilproof cloth or a waterproof and oilproof film.
6. The vehicle engine seal structure testing device according to claim 5, wherein the deformation layer (35) comprises a resilient bag, and the resilient bag is wrapped with memory cotton or wrapped with sponge with a spring embedded therein.
7. The vehicle engine seal configuration testing arrangement of claim 1, wherein said displacement assembly includes a front displacement assembly and a rear displacement assembly; one end of the front displacement component is connected to the base (1) in a sliding mode, and the other end of the front displacement component is connected with the front leakage detection unit (42); rear portion displacement unit bottom sliding connection in on base (1), top, left side, right side, front side respectively with top leak hunting unit (55), left side leak hunting unit (56), right side leak hunting unit (57), rear portion leak hunting unit (58) are connected.
8. The vehicle engine seal structure testing device according to claim 7, wherein the front displacement assembly comprises a front longitudinal telescopic rod (4) and a front transverse telescopic rod (41), the fixed end of the front longitudinal telescopic rod (4) is connected to the base (1), the telescopic end of the front longitudinal telescopic rod is fixedly connected with the fixed end of the front transverse telescopic rod (41), and the telescopic end of the front transverse telescopic rod (41) is connected with the front leakage detection unit (42); and the base (1) is provided with a singlechip for controlling the front longitudinal telescopic rod (4) and the front transverse telescopic rod (41) to work.
9. The vehicle engine sealing structure testing device according to claim 7, wherein the rear displacement assembly comprises a rear longitudinal telescopic rod (5), a mounting joint (51), a rear transverse telescopic rod (52), a left telescopic rod (53) and a right telescopic rod (54), one end of the rear longitudinal telescopic rod (5) is slidably connected to the base (1), the mounting joint (51) is mounted at the other end of the rear longitudinal telescopic rod, the fixed end of the left telescopic rod (53), the fixed end of the right telescopic rod (54) and the fixed end of the rear transverse telescopic rod (52) are respectively and correspondingly mounted at the left side, the right side and the top of the mounting joint (51), the left telescopic rod (53), the right telescopic rod (54) and the telescopic end of the rear transverse telescopic rod (52) are respectively and correspondingly connected with the left side leakage detecting unit (56), the right side leakage detecting unit (57), And the front surface of the mounting joint (51) is fixedly provided with a rear leakage detecting unit (58).
10. The vehicle engine seal structure testing device according to claim 7, wherein a slide rail (11) extending from front to rear is provided on the base (1), and the front displacement assembly and the rear displacement assembly are both slidably connected to the slide rail (11).
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| CN202011374212.8A CN112304507B (en) | 2020-11-30 | 2020-11-30 | Vehicle engine seal structure testing arrangement |
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| CN202011374212.8A CN112304507B (en) | 2020-11-30 | 2020-11-30 | Vehicle engine seal structure testing arrangement |
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| Publication number | Publication date |
|---|---|
| CN112304507B (en) | 2022-10-28 |
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