CN109060253A - A kind of diesel engine cylinder head tightness measuring device - Google Patents
A kind of diesel engine cylinder head tightness measuring device Download PDFInfo
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- CN109060253A CN109060253A CN201811035108.9A CN201811035108A CN109060253A CN 109060253 A CN109060253 A CN 109060253A CN 201811035108 A CN201811035108 A CN 201811035108A CN 109060253 A CN109060253 A CN 109060253A
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- positioning
- air inlet
- plug
- engine cylinder
- cylinder head
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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
- G01M3/025—Details with respect to the testing of engines or engine parts
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- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a kind of diesel engine cylinder head tightness measuring devices, including testboard, localized delivery mechanism, fixed mechanism and concussion heating-up mechanism.The present invention can make detection device simulate the working condition of engine cylinder cap, and its air-tightness is measured in real time, the more acurrate reality of detection data, sealing effect of the engine cylinder cap in different temperatures, pressure and concussion can easily be tested out, and then make record and improve, it is conducive to improving production efficiency.
Description
[technical field]
The present invention relates to the technical field of engine fittings process equipment, especially a kind of diesel engine cylinder head sealing
The technical field of system safety testing device.
[background technique]
Engine cylinder cap is that structure is the most complicated in all components of diesel engine, and bears mechanical load and thermal force most
Big component is complicated box-shaped part, is machined with Valve seat hole, valve guide hole, fuel injector installation thereon
Hole.It is often contacted with high-temperature high-pressure fuel gas, therefore is subjected to biggish thermic load and mechanical load, if engine cylinder cap
Appearance is revealed, and be will appear oil leak, is caused the pressure of engine interior deviation occur, can not work normally engine.It is processing
In the process in order to guarantee product quality, generallys use air-leakage detector and air-leakage test is carried out to engine cylinder cap, still
Since accurate simulation can not be carried out to use environment, only to the air-leakage test under stationary state, test data and reality
There are deviations for data in use process, influence detection effect.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, propose that a kind of diesel engine cylinder head leakproofness is surveyed
Trial assembly is set, and detection device can be made to simulate the working condition of engine cylinder cap, and be measured in real time to its air-tightness, inspection
The more acurrate reality of measured data can easily test out sealing of the engine cylinder cap in different temperatures, pressure and concussion
Effect, and then make record and improve, it is conducive to improving production efficiency.
To achieve the above object, the invention proposes a kind of diesel engine cylinder head tightness measuring devices, including survey
Test stand, localized delivery mechanism, fixed mechanism and concussion heating-up mechanism, the testboard top are provided with localized delivery mechanism, institute
Stating localized delivery mechanism includes stroke guide rail, electronic sliding block, fixed delivery board and positioning and locking block, setting at the top of the testboard
There are several stroke guide rails, the fixed delivery board bottom is connected by several electronic sliding blocks with stroke guide rail, the fixed conveying
Several positioning and locking blocks are provided at the top of plate, the fixed mechanism includes hydraulic cylinder, lower coping, built-in slot, rotary extension
Arm and positioning plug, the bottom of the hydraulic cylinder are provided with lower coping, and the bottom margin of the lower coping is provided with slow
Rubber pad is rushed, the bottom inside of the lower coping is provided with built-in slot, several rotary extension arms are provided in the built-in slot,
Rotary extension arm bottom end is equipped with positioning plug, and positioning plug crown end is provided with induction electric eye, the concussion heating
Device includes concussion plate, lifter, air inlet plug, air inlet pipe and heater, and delivery board bottom is being fixed in the concussion plate setting,
The lifter is vertically arranged at the top of fixed delivery board, and the air inlet plug is arranged at the top of lifter, the air inlet plug
It is connected by heater with air inlet pipe, the side of the air inlet plug is provided with sealing shirt rim, the air inlet plug and positioning plug
Head is correspondingly arranged up and down, and the side of the positioning plug is provided with airtight detection ring, is connected with booster pump in the air inlet pipe, institute
It states testboard side and is provided with control axis, the control axis and localized delivery mechanism, airtight detection ring, booster pump, fixation
Mechanism is connected one by one with concussion heating-up mechanism.
Preferably, the quantity of the stroke guide rail has three, the stroke guide rail is uniformly distributed in testboard top side by side
Portion, the quantity of the electronic sliding block at least there are six, two electronic sliding blocks are at least installed on every stroke guide rail.
Preferably, the positioning and locking block is detachably arranged at the top of fixed delivery board, on the fixed delivery board
Multiple screw-threaded coupling slots corresponding with positioning and locking block are provided with, the top vertical of the positioning and locking block has set up positioning
Electric eye.
Preferably, the positioning plug is conical heat resistant rubber block, the air inlet plug is conical heat resistant rubber
Block, the air inlet plug are internally provided with venthole, are provided with temperature inductor at the top of the air inlet plug.
Preferably, the quantity of the lifter has multiple, the quantity of the lifter and position are corresponding with instrument connection.
Preferably, being provided with digital display operator control panel on the control axis, the fixed delivery board is detachably arranged.
Beneficial effects of the present invention: the present invention by by testboard, localized delivery mechanism, fixed mechanism and concussion warming machine
Structure is combined together, and by assay optimization, engine cylinder cap can be accurately transported to test station by localized delivery mechanism, Gu
Determine mechanism block independent to instrument connection progress can fix in the case where integrally fixed, and concussion heating-up mechanism, which can simulate, to be started
Temperature, pressure and concussion when machine cylinder head works, can make detection device simulate the working condition of engine cylinder cap, and
Its air-tightness is measured in real time, the more acurrate reality of detection data can easily test out engine cylinder cap in not equality of temperature
Sealing effect in the case of degree, pressure and concussion, and then make record and improve, it is conducive to improving production efficiency.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of diesel engine cylinder head tightness measuring device of the present invention.
In figure: 1- testboard, 2- localized delivery mechanism, 3- fixed mechanism, 4- shake heating-up mechanism, 5- stroke guide rail, 6-
Under the fixed delivery board of electronic sliding block, 7-, 8- positioning and locking block, 9- screw-threaded coupling slot, 10- positioning electric eye, 11- hydraulic cylinder, 12-
Coping, 13- built-in slot, 14- rotary extension arm, 15- positioning plug, 16- buffer rubber gasket, 17- induction electric eye, 18- concussion
Plate, 19- lifter, 20- air inlet plug, 21- air inlet pipe, 22- heater, the airtight detection ring of 23-, 24- booster pump, 25- control
Maincenter, 26- venthole, 27- temperature inductor.
[specific embodiment]
Refering to fig. 1, a kind of diesel engine cylinder head tightness measuring device of the present invention, including testboard 1, localized delivery
Mechanism 2, fixed mechanism 3 and concussion heating-up mechanism 4 are provided with localized delivery mechanism 2, the positioning biography at the top of the testboard 1
Transfer mechanism 2 includes stroke guide rail 5, electronic sliding block 6, fixed delivery board 7 and positioning and locking block 8, is provided at the top of the testboard 1
Several stroke guide rails 5, fixed 7 bottom of delivery board are connected by several electronic sliding blocks 6 with stroke guide rail 5, and the fixation is defeated
It send and is provided with several positioning and locking blocks 8 at the top of plate 7, the fixed mechanism 3 includes hydraulic cylinder 11, lower coping 12, built-in slot
13, rotary extension arm 14 and positioning plug 15, the bottom of the hydraulic cylinder 11 is provided with lower coping 12, the lower coping
12 bottom margin is provided with buffer rubber gasket 16, and the bottom inside of the lower coping 12 is provided with built-in slot 13, described interior
It sets and is provided with several rotary extension arms 14 in slot 13,14 bottom end of rotary extension arm is equipped with positioning plug 15, the positioning
15 top of plug be provided with induction electric eye 17, the concussion heat riser include shake plate 18, lifter 19, air inlet plug 20,
Air inlet pipe 21 and heater 22, in fixed 7 bottom of delivery board, the lifter 19 is vertically arranged in solid for the setting of concussion plate 18
Determine the top of delivery board 7, the setting of air inlet plug 20 at 19 top of lifter, the air inlet plug 20 by heater 22 and into
Tracheae 21 is connected, and the side of the air inlet plug 20 is provided with sealing shirt rim, the air inlet plug 20 and about 15 plug of positioning
It being correspondingly arranged, the side of the positioning plug 15 is provided with airtight detection ring 23, it is connected with booster pump 24 in the air inlet pipe 21,
1 side of testboard is provided with control axis 25, the control axis 25 and localized delivery mechanism 2, airtight detection ring 23, increasing
Press pump 24, fixed mechanism 3 are connected one by one with concussion heating-up mechanism 4, and the quantity of the stroke guide rail 5 has three, and the stroke is led
Rail 5 is uniformly distributed in the top of testboard 1 side by side, the quantity of the electronic sliding block 6 at least there are six, every stroke guide rail 5 up to
Few installation is there are two electronic sliding block 6, and the positioning and locking block 8 is detachably arranged at the top of fixed delivery board 7, and the fixation is defeated
It send and is provided with multiple screw-threaded coupling slots 9 corresponding with positioning and locking block 8 on plate 7, the top vertical of the positioning and locking block 8 is upward
It is provided with positioning electric eye 10, the positioning plug 15 is conical heat resistant rubber block, and the air inlet plug 20 is that cone is heat-resisting
Rubber block, the air inlet plug 20 are internally provided with venthole 26, are provided with temperature inductor 27 at the top of the air inlet plug 20,
The quantity of the lifter 19 has multiple, and the quantity of the lifter 19 and position are corresponding with instrument connection, the control axis
Digital display operator control panel, the fixed detachably setting of delivery board 7 are provided on 25.
The present invention by by testboard 1, localized delivery mechanism 2, fixed mechanism 3 and concussion heating-up mechanism 4 be combined together,
By assay optimization, engine cylinder cap can be accurately transported to test station by localized delivery mechanism 2, and fixed mechanism 3 can be with
Instrument connection individually block in the case where integrally fixed and is fixed, concussion heating-up mechanism 4 can be with simulated engine cylinder head
Temperature, pressure and concussion when work, can make detection device simulate the working condition of engine cylinder cap, and airtight to its
Property is measured in real time, the more acurrate reality of detection data, can easily test out engine cylinder cap different temperatures, pressure and
Sealing effect in the case of concussion, and then make record and improve, it is conducive to improving production efficiency.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of diesel engine cylinder head tightness measuring device, it is characterised in that: including testboard (1), localized delivery machine
Structure (2), fixed mechanism (3) and concussion heating-up mechanism (4), testboard (1) top are provided with localized delivery mechanism (2), institute
Stating localized delivery mechanism (2) includes stroke guide rail (5), electronic sliding block (6), fixed delivery board (7) and positioning and locking block (8), institute
It states and is provided with several stroke guide rails (5) at the top of testboard (1), fixed delivery board (7) bottom passes through several electronic sliding blocks (6)
It is connected with stroke guide rail (5), is provided with several positioning and locking blocks (8), the fixed mechanism at the top of the fixed delivery board (7)
(3) include hydraulic cylinder (11), lower coping (12), built-in slot (13), rotary extension arm (14) and positioning plug (15), it is described
The bottom of hydraulic cylinder (11) is provided with lower coping (12), and the bottom margin of the lower coping (12) is provided with yielding rubber
It pads (16), the bottom inside of the lower coping (12) is provided with built-in slot (13), is provided in the built-in slot (13) several
Rotary extension arm (14), rotary extension arm (14) bottom end are equipped with positioning plug (15), positioning plug (15) top
Be provided with induction electric eye (17), the concussion heat riser include shake plate (18), lifter (19), air inlet plug (20), into
Tracheae (21) and heater (22), in fixed delivery board (7) bottom, the lifter (19) is vertical for concussion plate (18) setting
Setting is at the top of fixed delivery board (7), and air inlet plug (20) setting is at the top of lifter (19), the air inlet plug (20)
It is connected by heater (22) with air inlet pipe (21), the side of the air inlet plug (20) is provided with sealing shirt rim, the air inlet
Plug (20) is correspondingly arranged up and down with positioning plug (15), and the side of positioning plug (15) is provided with airtight detection ring
(23), it is connected with booster pump (24) on the air inlet pipe (21), testboard (1) side is provided with control axis (25), institute
Control axis (25) and localized delivery mechanism (2), airtight detection ring (23), booster pump (24), fixed mechanism (3) and concussion is stated to rise
Warm mechanism (4) is connected one by one.
2. a kind of diesel engine cylinder head tightness measuring device as described in claim 1, it is characterised in that: the stroke
The quantity of guide rail (5) has three, and the stroke guide rail (5) is uniformly distributed in side by side at the top of testboard (1), the electronic sliding block
(6) quantity at least there are six, two electronic sliding blocks (6) are at least installed on every stroke guide rail (5).
3. a kind of diesel engine cylinder head tightness measuring device as described in claim 1, it is characterised in that: the positioning
Latch segment (8) is detachably arranged at the top of fixed delivery board (7), and multiple and positioning is provided on the fixed delivery board (7)
The corresponding screw-threaded coupling slot (9) of latch segment (8), the top vertical of the positioning and locking block (8) have set up positioning electric eye
(10)。
4. a kind of diesel engine cylinder head tightness measuring device as described in claim 1, it is characterised in that: the positioning
Plug (15) is conical heat resistant rubber block, and the air inlet plug (20) is conical heat resistant rubber block, the air inlet plug
(20) it is internally provided with venthole (26), is provided with temperature inductor (27) at the top of the air inlet plug (20).
5. a kind of diesel engine cylinder head tightness measuring device as described in claim 1, it is characterised in that: the lifting
The quantity of device (19) has multiple, and the quantity of the lifter (19) and position are corresponding with instrument connection.
6. a kind of diesel engine cylinder head tightness measuring device as described in claim 1, it is characterised in that: the control
Digital display operator control panel is provided on maincenter (25), the fixed delivery board (7) is detachably arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035108.9A CN109060253B (en) | 2018-09-06 | 2018-09-06 | Diesel engine cylinder head tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811035108.9A CN109060253B (en) | 2018-09-06 | 2018-09-06 | Diesel engine cylinder head tightness testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109060253A true CN109060253A (en) | 2018-12-21 |
| CN109060253B CN109060253B (en) | 2023-09-19 |
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ID=64760586
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811035108.9A Active CN109060253B (en) | 2018-09-06 | 2018-09-06 | Diesel engine cylinder head tightness testing device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799032A (en) * | 2018-12-30 | 2019-05-24 | 珠海市广源信科技有限公司 | A kind of vacuum generator detection device |
| CN112221799A (en) * | 2020-12-12 | 2021-01-15 | 潍坊思博精工科技有限公司 | Cylinder head automated inspection spraying production line |
| CN112444397A (en) * | 2020-11-09 | 2021-03-05 | 上海中船三井造船柴油机有限公司 | Air tightness testing device and method for LGIP host gas module |
| CN112985696A (en) * | 2021-02-23 | 2021-06-18 | 贵州省湄潭县德隆气门制造有限公司 | Engine valve seepage detection device |
| CN113155372A (en) * | 2021-04-19 | 2021-07-23 | 湖北三江航天江河化工科技有限公司 | Rocket engine air tightness detection system and detection method |
| CN114737614A (en) * | 2022-05-23 | 2022-07-12 | 深圳市利赛实业发展有限公司 | Leak protection device of landfill marsh gas collecting well |
| CN115308599A (en) * | 2022-10-09 | 2022-11-08 | 临沂财帛电子信息科技有限责任公司 | Waterproof testing arrangement for motor |
| CN117191279A (en) * | 2023-09-19 | 2023-12-08 | 雄邦压铸（南通）有限公司 | Automobile shock absorber ware casing leakproofness detection device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799032A (en) * | 2018-12-30 | 2019-05-24 | 珠海市广源信科技有限公司 | A kind of vacuum generator detection device |
| CN112444397A (en) * | 2020-11-09 | 2021-03-05 | 上海中船三井造船柴油机有限公司 | Air tightness testing device and method for LGIP host gas module |
| CN112444397B (en) * | 2020-11-09 | 2022-10-04 | 上海中船三井造船柴油机有限公司 | Airtightness testing equipment and method for LGIP (light emitting diode) host gas module |
| CN112221799A (en) * | 2020-12-12 | 2021-01-15 | 潍坊思博精工科技有限公司 | Cylinder head automated inspection spraying production line |
| CN112221799B (en) * | 2020-12-12 | 2021-04-27 | 潍坊思博精工科技有限公司 | Cylinder head automated inspection spraying production line |
| CN112985696A (en) * | 2021-02-23 | 2021-06-18 | 贵州省湄潭县德隆气门制造有限公司 | Engine valve seepage detection device |
| CN113155372A (en) * | 2021-04-19 | 2021-07-23 | 湖北三江航天江河化工科技有限公司 | Rocket engine air tightness detection system and detection method |
| CN114737614A (en) * | 2022-05-23 | 2022-07-12 | 深圳市利赛实业发展有限公司 | Leak protection device of landfill marsh gas collecting well |
| CN115308599A (en) * | 2022-10-09 | 2022-11-08 | 临沂财帛电子信息科技有限责任公司 | Waterproof testing arrangement for motor |
| CN115308599B (en) * | 2022-10-09 | 2023-03-28 | 深圳市兴丰元机电有限公司 | Waterproof testing arrangement for motor |
| CN117191279A (en) * | 2023-09-19 | 2023-12-08 | 雄邦压铸（南通）有限公司 | Automobile shock absorber ware casing leakproofness detection device |
| CN117191279B (en) * | 2023-09-19 | 2024-04-19 | 雄邦压铸（南通）有限公司 | Automobile shock absorber ware casing leakproofness detection device |
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