CN221260272U - Engine cylinder head sealing performance detection device - Google Patents
Engine cylinder head sealing performance detection device Download PDFInfo
- Publication number
- CN221260272U CN221260272U CN202323208829.4U CN202323208829U CN221260272U CN 221260272 U CN221260272 U CN 221260272U CN 202323208829 U CN202323208829 U CN 202323208829U CN 221260272 U CN221260272 U CN 221260272U
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- China
- Prior art keywords
- cylinder head
- fixedly connected
- sealing performance
- detection
- cylinder cover
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000007789 sealing Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000000049 pigment Substances 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Abstract
The utility model discloses an engine cylinder cover sealing performance detection device, which belongs to the field of cylinder cover performance detection and comprises a detection table, wherein a cylinder cover is arranged at the top of the detection table, an air valve is arranged at the top of the cylinder cover, an air supply pipeline is arranged at one side of the cylinder cover, an air supply mechanism positioned at one side of the air supply pipeline is arranged at the top of the detection table, and a detection mechanism is arranged above the cylinder cover. The beneficial effects are that: the detection mechanism is arranged, the moving block is lowered to be tightly attached to the top of the cylinder cover before ventilation, the air supply mechanism is used for ventilation in the air supply pipeline, if the cylinder cover leaks, the air pressure in the moving block is increased, pigment above the piston can be extruded into the transparent pipe, and the detection result can be visually seen; the scraper is connected in the sliding way in the transparent pipe, the scraper is connected with the piston through the connecting rod, and the scraper can be driven to move downwards through the connecting rod when the piston resets, so that residual pigment on the inner wall of the transparent pipe is scraped off, and the influence on the next observation is avoided.
Description
Technical Field
The utility model relates to the field of cylinder cover performance detection, in particular to an engine cylinder cover sealing performance detection device.
Background
The cylinder cover of the engine is arranged on the cylinder body and forms a cover body of a fuel chamber with the cylinder body, and the cover body is often contacted with high-temperature high-pressure fuel gas, so that the cover body needs to bear larger heat load and mechanical load, and therefore, if leakage occurs, the oil leakage occurs on the cover body, the pressure in the engine is caused to deviate, the engine cannot work normally, and the tightness of the cylinder cover needs to be detected in the processing process.
According to the patent, a plug is arranged in an air supply channel of a cylinder cover, a closed communication space is formed by the air supply channel and a small U-shaped pipe of a pressure measuring mechanism, compressed air is stored by a compressed air storage tank, and then the air is supplied to a corrugated pipe through an air supply pipe, so that the comprehensive pressure measurement of an air valve on the cylinder cover is realized; the outer walls of the small U-shaped pipes are provided with the pressure measuring meter, and gas can be introduced into a gas supply channel where the gas valve is arranged and a closed gas channel is formed by controlling the branch control valve, so that the sealing performance of the gas valve can be detected more accurately, and the leakage position can be determined by measuring for multiple times, so that the test precision is improved.
However, when a small amount of oil is added at the top of the valve of the cylinder head, whether the valve of the cylinder head leaks air is judged by observing whether bubbles appear in the oil or not, a certain amount of bubbles are generated in the oil when the oil is poured, and when the bubbles move slowly, the direct observation is inconvenient.
Disclosure of utility model
The present utility model has been made to solve the above-described problems, and an object of the present utility model is to provide an engine cylinder head sealing performance detecting apparatus.
The utility model realizes the above purpose through the following technical scheme:
The utility model provides an engine cylinder head sealing performance detection device, including the detection platform, the cylinder head has been placed at the top of detection platform, the top of cylinder head is provided with the valve, one side of cylinder head is provided with the air feed pipeline, the top of detection platform is provided with the air feed mechanism that is located air feed pipeline one side, the top of cylinder head is provided with detection mechanism, detection mechanism includes two fixed connection at the support frame of detection platform top, sliding connection has the movable block between two support frames, a plurality of mounting grooves that are located the valve top have been seted up to the bottom of movable block, the spout has been seted up in the mounting groove, sliding connection has the piston in the spout, the piston divide into two upper and lower cavities with the mounting groove, pigment has been placed in the upper cavity, be connected with the spring between piston and the spout, the top fixedly connected with of movable block a plurality of and the transparent pipe of cavity intercommunication on the mounting groove, detection mechanism is still including the power pack who is used for driving the movable block to remove.
Preferably, the transparent pipe is connected with a scraper in a sliding way, and a connecting rod is connected between the scraper and the piston.
Preferably, the bottom of the movable block is fixedly connected with a sealing gasket.
Preferably, the power component comprises two screw rods which are rotationally connected between the support frame and the detection table, wherein the top of one support frame is fixedly connected with a rotating motor, the output end of the rotating motor is connected with one screw rod through a coupling, a synchronous belt positioned in the detection table is communicated between the two screw rods, the screw rods are connected with sliding blocks which are slidably connected on the support frame, and the moving block is fixedly connected between the two sliding blocks.
Preferably, the air supply mechanism comprises a mounting seat fixedly connected to one side of the top of the detection table, an air pump is fixedly connected to the top of the mounting seat, a main pipe is connected to an air outlet of the air pump and is an elastic pipe, a connecting pipe is fixedly connected to the other end of the main pipe, a plurality of shunt pipes are fixedly connected to the other side of the connecting pipe, plugs are communicated to the other ends of the shunt pipes, and the air supply mechanism further comprises an adjusting assembly used for driving the main pipe to stretch out and draw back.
Preferably, the adjusting component comprises a hydraulic cylinder, an adjusting groove is formed in the top of the detecting table, the hydraulic cylinder is fixed in the adjusting groove, the movable end of the hydraulic cylinder is connected with a mounting frame, and the main pipe is fixed on the mounting frame.
The beneficial effects are that: the detection mechanism is arranged, the moving block is lowered to be tightly attached to the top of the cylinder cover before ventilation, the air supply mechanism is used for ventilation in the air supply pipeline, if the cylinder cover leaks, the air pressure in the moving block is increased, pigment above the piston can be extruded into the transparent pipe, and the detection result can be visually seen; the scraper is connected in the sliding way in the transparent pipe, the scraper is connected with the piston through the connecting rod, and the scraper can be driven to move downwards through the connecting rod when the piston resets, so that residual pigment on the inner wall of the transparent pipe is scraped off, and the influence on the next observation is avoided.
Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 is a schematic view of an engine cylinder head sealing performance detection apparatus according to the present utility model;
FIG. 2 is a front view of an engine cylinder head sealing performance detection apparatus according to the present utility model;
FIG. 3 is a front view showing the internal structure of an engine cylinder head sealing performance detecting apparatus according to the present utility model;
FIG. 4 is a right side view of an engine cylinder head sealing performance detection apparatus according to the present utility model;
Fig. 5 is a right side view of an internal structure of an engine cylinder head sealing performance detecting apparatus according to the present utility model.
The reference numerals are explained as follows: 1. a detection table; 2. a cylinder head; 201. a valve; 202. an air supply duct; 3. a gas supply mechanism; 301. a mounting base; 302. an air pump; 303. a header pipe; 304. a connecting pipe; 305. a shunt; 306. a plug; 307. a hydraulic cylinder; 308. a mounting frame; 4. a detection mechanism; 401. a support frame; 402. a screw rod; 403. a rotating electric machine; 404. a synchronous belt; 405. a slide block; 406. a moving block; 407. a sealing gasket; 408. a piston; 409. a spring; 410. a transparent tube; 411. a scraper; 412. and (5) connecting a rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The utility model is further described below with reference to the accompanying drawings:
As shown in fig. 1-5, an engine cylinder head sealing performance detection device comprises a detection table 1, wherein a placement groove is formed in the top of the detection table 1, a cylinder head 2 is placed in the placement groove, an air valve 201 is arranged at the top of the cylinder head 2, and an air supply pipeline 202 is arranged on one side of the cylinder head 2;
The top of the detection table 1 is provided with an air supply mechanism 3 positioned at one side of an air supply pipeline 202, the air supply mechanism 3 comprises an installation seat 301 which is connected to one side of the top of the detection table 1 through bolts, an air pump 302 is connected to the top of the installation seat 301 through bolts, a main pipe 303 is connected to an air outlet of the air pump 302, the main pipe 303 is a corrugated pipe, the other end of the main pipe 303 is fixedly connected with a connecting pipe 304 which is perpendicular to the main pipe 303, the other side of the connecting pipe 304 is fixedly connected with a plurality of shunt pipes 305, control valves are arranged in the main pipe 303 and the shunt pipes 305, the other ends of the shunt pipes 305 are communicated with plugs 306, the top of the detection table 1 is provided with an adjusting groove, a hydraulic cylinder 307 is fixedly connected in the adjusting groove, a mounting frame 308 is connected to the movable end of the hydraulic cylinder 307, the main pipe 303 is fixed on the mounting frame 308, the main pipe 303 is driven to stretch and retract through the hydraulic cylinder 307, and the plugs 306 are convenient to be plugged into the air supply pipeline 202;
The upper side of cylinder head 2 is provided with detection mechanism 4, detection mechanism 4 includes two bolted connection at the support frame 401 at detection platform 1 top, two support frames 401 back-and-forth arrangement, rotationally be connected with lead screw 402 between support frame 401 and the detection platform 1, one of them support frame 401's top bolted connection has rotating electrical machines 403, the output of rotating electrical machines 403 passes through one of them lead screw 402 of coupling joint, the intercommunication has hold-in range 404 that is located in detection platform 1 between two lead screws 402, realize the linkage between two lead screws 402 through hold-in range 404, threaded connection has slider 405 of sliding connection on support frame 401 on the lead screw 402, fixedly connected with movable block 406 between two sliders 405, the bottom fixedly connected with sealing gasket 407 of movable block 406, guarantee the leakproofness between movable block 406 and the cylinder head 2 through sealing gasket 407, a plurality of mounting grooves that are located the valve 201 top have been seted up in the mounting groove, sliding connection has piston 408 in the sliding groove, the piston 408 divides the mounting groove into two upper and lower cavities, place the pigment in the upper cavity, be connected with spring 409 between piston 408 and the sliding groove, fixedly connected with movable block 406's top and a plurality of transparent channels 410 on the sliding connection with the sliding connection 411, the transparent pipe 410 has the connecting rod 410.
Working principle: when the air cylinder cover 2 is used, the air cylinder cover 2 is placed in the placing groove formed in the top of the detection table 1, the rotating motor 403 is started, the rotating motor 403 drives the screw rod 402 to rotate, the screw rod 402 drives the sliding block 405 to drive the moving block 406 to move downwards, the sealing gasket 407 is pressed against the air cylinder cover 2, tightness between the moving block 406 and the air cylinder cover 2 is guaranteed, the mounting bracket 308 drives the main pipe 303 to move towards the direction close to the air cylinder cover 2 through controlling the hydraulic cylinder 307, the plug 306 is inserted into the air supply pipeline 202, the air pump 302 is started, air supply is started, if the air cylinder cover 2 leaks, the air pressure below the mounting groove is increased, the piston 408 is driven to move upwards, pigment is extruded into the transparent pipe 410, at the moment, a tester can visually see whether the air leakage occurs or not, the severity of the air leakage of the air valve 201 can be known through the quantity of pigment in the transparent pipe 410, after detection, when the piston 408 resets under the action of the elasticity of the spring 409, the connecting rod 412 drives the scraping scraper 411 to move downwards, so that residual pigment on the inner wall of the transparent pipe 410 is scraped, and the next observation is avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides an engine cylinder head sealing performance detection device, includes detects platform (1), cylinder head (2) have been placed at the top of detecting platform (1), the top of cylinder head (2) is provided with valve (201), one side of cylinder head (2) is provided with air feed pipeline (202), the top of detecting platform (1) is provided with and is located air feed mechanism (3) of air feed pipeline (202) one side, its characterized in that: the top of cylinder head (2) is provided with detection mechanism (4), detection mechanism (4) are in including two fixed connection support frame (401) at test bench (1) top, two sliding connection has movable block (406) between support frame (401), a plurality of being located the mounting groove of valve (201) top has been seted up to the bottom of movable block (406), has seted up the spout in the mounting groove, sliding connection has piston (408) in the spout, piston (408) divide into upper and lower two cavities with the mounting groove, has placed pigment in the upper cavity, be connected with spring (409) between piston (408) and the spout, the top fixedly connected with of movable block (406) a plurality of transparent pipe (410) with cavity intercommunication on the mounting groove, detection mechanism (4) still include the power pack who is used for the drive movable block (406) removes.
2. The engine cylinder head sealing performance detection apparatus according to claim 1, characterized in that: a scraper (411) is connected in a sliding manner in the transparent pipe (410), and a connecting rod (412) is connected between the scraper (411) and the piston (408).
3. The engine cylinder head sealing performance detection apparatus according to claim 1, characterized in that: the bottom of the moving block (406) is fixedly connected with a sealing gasket (407).
4. The engine cylinder head sealing performance detection apparatus according to claim 1, characterized in that: the power component comprises two screw rods (402) which are rotationally connected between the support frame (401) and the detection table (1), one screw rod (402) is fixedly connected with a rotating motor (403) at the top of the support frame (401), one screw rod (402) is connected with the output end of the rotating motor (403) through a coupling, a synchronous belt (404) positioned in the detection table (1) is communicated between the two screw rods (402), a sliding block (405) which is connected with the support frame (401) in a sliding mode is connected to the screw rods (402) in a threaded mode, and a moving block (406) is fixedly connected between the two sliding blocks (405).
5. The engine cylinder head sealing performance detection apparatus according to claim 1, characterized in that: the air supply mechanism (3) comprises a mounting seat (301) fixedly connected to one side of the top of the detection table (1), an air pump (302) is fixedly connected to the top of the mounting seat (301), a main pipe (303) is connected to an air outlet of the air pump (302), the main pipe (303) is an elastic pipe, a connecting pipe (304) is fixedly connected to the other end of the main pipe (303), a plurality of shunt pipes (305) are fixedly connected to the other side of the connecting pipe (304), plugs (306) are communicated to the other end of the shunt pipes (305), and the air supply mechanism (3) further comprises an adjusting assembly used for driving the main pipe (303) to stretch out and draw back.
6. The engine cylinder head sealing performance detection apparatus according to claim 5, wherein: the adjusting assembly comprises a hydraulic cylinder (307), an adjusting groove is formed in the top of the detecting table (1), the hydraulic cylinder (307) is fixed in the adjusting groove, the movable end of the hydraulic cylinder (307) is connected with a mounting frame (308), and the main pipe (303) is fixed on the mounting frame (308).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221260272U true CN221260272U (en) | 2024-07-02 |
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| GR01 | Patent grant |