CN214471734U - Cylinder cover detection equipment - Google Patents
Cylinder cover detection equipment Download PDFInfo
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- CN214471734U CN214471734U CN202120547272.9U CN202120547272U CN214471734U CN 214471734 U CN214471734 U CN 214471734U CN 202120547272 U CN202120547272 U CN 202120547272U CN 214471734 U CN214471734 U CN 214471734U
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Abstract
The utility model provides a cylinder head cover check out test set, include: the detection device comprises a rack, a bottom plate, a positioning assembly, a pressing cylinder for pressing a cylinder cover on the bottom plate, a tight-abutting cylinder, a detection block matched with a one-way valve, an air tank, an electromagnetic valve, a controller and a display, wherein an air inlet head is arranged at the end part of an air cylinder rod of the tight-abutting cylinder, and when the air cylinder rod extends out, the air inlet head can be abutted against a detection hole of a cylinder cover, so that detection gas is guided into the cylinder cover; the through hole is formed in the detection block, so that gas leaked from the check valve can be led out; the air tank is communicated with the through hole through a flowmeter, and the leakage can be detected through the flowmeter, so that the performance of the one-way valve can be detected; the controller is electrically connected with the electromagnetic valve, so that the air passages of the pressing cylinder, the abutting cylinder and the air inlet head can be controlled by the electromagnetic valve to act in sequence, and automatic detection is realized; through making the display be connected with the flowmeter electricity, can show and record the data that the flowmeter surveyed, detect accurately.
Description
Technical Field
The utility model relates to a cylinder head cover detection area, concretely relates to check out test set for detecting cylinder head cover check valve performance.
Background
The cylinder head cover is a cover covering the engine cylinder block, which can prevent external impurities from entering the engine, and in order to balance the pressure in the crankcase of the engine, the existing cylinder head cover is mostly provided with a one-way valve.
The cylinder head cover that processes need detect when leaving the factory, traditional testing method can only detect the gas tightness of cylinder head cover, to the performance of check valve on the cylinder head cover, the testing result when mostly adopting the equipment check valve finished product, when assembling the cylinder head cover with the check valve, owing to have operations such as the extrusion to the check valve, make the performance of check valve and above-mentioned testing result have great difference, and is inaccurate, the cylinder head cover check out test set that detects is carried out to the performance of check valve on the cylinder head cover of urgent need.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing a cylinder head cover check out test set that can go on detecting to the performance of cylinder head cover check valve, this equipment degree of automation is high, detects accurately.
In order to achieve the above object, the utility model discloses a technical scheme be, cylinder head cover check out test set for detect the performance of cylinder head cover check valve, check out test set includes:
the device comprises a rack, wherein a supporting plate is arranged in the middle of the rack;
the bottom plate is detachably arranged on the supporting plate, the upper surface of the bottom plate is parallel to the horizontal plane, and the bottom plate is used for placing a cylinder cover;
the positioning assembly is arranged on the bottom plate and extends upwards, the positioning assembly comprises a plurality of positioning columns and a plurality of positioning blocks, and the positioning assembly is used for positioning the cylinder cover;
a plurality of pressing cylinders for pressing the cylinder cover on the bottom plate;
the gas inlet head can abut against the detection hole of the cylinder cover cap when the cylinder rod of the abutting cylinder extends out, and the detection gas is introduced into a cavity formed between the cylinder cover cap and the bottom plate;
the detection block is arranged on the bottom plate and matched with the one-way valve, a through hole which sequentially penetrates through the detection block, the bottom plate and the support plate from top to bottom is formed in the detection block, and the through hole is used for guiding out detection gas leaked from the one-way valve;
the air tank is arranged on the rack and positioned below the supporting plate, the air tank is communicated with the through hole through a flowmeter, and the flowmeter is used for detecting the flow of the detection gas flowing out of the through hole;
the electromagnetic valve is arranged on the rack and comprises a first electromagnetic valve connected to the gas path of the pressing cylinder, a second electromagnetic valve connected to the gas path of the abutting cylinder and a third electromagnetic valve connected to the gas path of the air inlet head;
the controller is electrically connected with the electromagnetic valve and controls the air paths of the pressing cylinder, the abutting cylinder and the air inlet head to act in sequence through the electromagnetic valve so as to realize automatic detection of the one-way valve;
the display is electrically connected with the flowmeter and the controller, the display can display data measured by the flowmeter, and control buttons are arranged on the display.
Preferably, the air tank is a constant pressure air tank.
Further preferably, a pressure relief valve is connected to the air tank, and the pressure relief valve is used for maintaining a constant pressure in the air tank.
Further preferably, the pressure of the detection gas introduced from the gas inlet head is 1.5 times or more the pressure of the air in the air tank.
Preferably, the detection block is made of a metal material, and a sealing ring for sealing is arranged on the detection block.
Preferably, the abutting cylinder is arranged on the bottom plate, and the detection hole is formed in the side face of the cylinder cover.
Preferably, the end part of the air inlet head, which is contacted with the cylinder cover, is provided with a rubber layer.
Further preferably, the pressing cylinder is arranged on the bottom plate, a pressing block extending in the horizontal direction is arranged at the end of a cylinder rod of the pressing cylinder, and when the cylinder rod of the pressing cylinder retracts, the pressing block moves downwards to press the cylinder cover on the bottom plate.
Further preferably, the bottom surface of the pressing block is in threaded connection with an adjusting bolt, and the cylinder cover is pressed through the adjusting bolt when the pressing block moves downwards.
Further preferably, all of the hold-down cylinders act in synchronism.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model provides a cylinder head cover check out test set, include: the detection device comprises a rack, a bottom plate, a positioning assembly, a pressing cylinder for pressing a cylinder cover on the bottom plate, a tight-abutting cylinder, a detection block matched with a one-way valve, an air tank, an electromagnetic valve, a controller and a display, wherein an air inlet head is arranged at the end part of an air cylinder rod of the tight-abutting cylinder, and when the air cylinder rod extends out, the air inlet head can be abutted against a detection hole of a cylinder cover, so that detection gas is guided into the cylinder cover; the through hole is formed in the detection block, so that gas leaked from the check valve can be led out; the air tank is communicated with the through hole through a flowmeter, and the leakage can be detected through the flowmeter, so that the performance of the one-way valve can be detected; the controller is electrically connected with the electromagnetic valve, so that the air passages of the pressing cylinder, the abutting cylinder and the air inlet head can be controlled by the electromagnetic valve to act in sequence, and automatic detection is realized; through making the display be connected with the flowmeter electricity, can show and record the data that the flowmeter surveyed, detect accurately.
Drawings
Fig. 1 is a schematic front view of the preferred embodiment of the present invention, partially cut away, and the connecting wires for electrical connection and the air pipes for air path connection are not shown.
Fig. 2 is a schematic top view of fig. 1.
Wherein:
10. a frame; 11. a support plate; 20. a base plate; 31. a positioning column; 32. positioning blocks; 40. a pressing cylinder; 41. a compression block; 411. adjusting the bolt; 50. tightly abutting against the air cylinder; 51. an air inlet head; 511. a rubber layer; 60. a detection block; 61. a through hole; 62. a seal ring; 70. an air tank; 71. a flow meter; 72. a pressure relief valve; 73. a support rib plate; 81. a first solenoid valve; 82. a second solenoid valve; 83. a third electromagnetic valve; 90. a controller; 100. a display; 101. a control button; 102. a display screen.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.
The up-down direction described in the present invention is the up-down direction in fig. 1.
As shown in fig. 1-2, the utility model provides a cylinder head cover check out test set for detect the performance of check valve on the cylinder head cover, this check out test set includes: the device comprises a rack 10, a bottom plate 20, a positioning assembly, a pressing cylinder 40, a pressing cylinder 50, a detection block 60, an air tank 70, an electromagnetic valve, a controller 90 and a display 100, wherein a support plate 11 is arranged in the middle of the rack 10; the bottom plate 20 is detachably arranged on the support plate 11, the upper surface of the bottom plate 20 is parallel to the horizontal plane, and the bottom plate 20 is used for placing a cylinder cover; the positioning assembly is arranged on the bottom plate 20 and extends upwards, and the positioning assembly is matched with a positioning part on the inner wall of the cylinder cover so as to position the cylinder cover, and in the embodiment, the positioning assembly comprises two positioning columns 31 and two positioning blocks 32; the four pressing cylinders 40 are used for pressing four corners of the cylinder cover to enable the cylinder cover to be pressed on the bottom plate 20; the end part of the cylinder rod of the abutting cylinder 50 is provided with an air inlet head 51, when the cylinder rod of the abutting cylinder 50 extends out, the air inlet head 51 can abut against the detection hole of the cylinder cover and lead the detection gas into a cavity formed between the cylinder cover and the bottom plate 20; the detection block 60 is arranged on the bottom plate 20 and is matched with the one-way valve, the matching means that the detection block 60 corresponds to the one-way valve up and down in position, when the cylinder cover is pressed on the bottom plate 20, the detection block 60 is tightly pressed on the one-way valve, the detection block 60 is provided with a through hole 61 which sequentially penetrates through the detection block 60, the bottom plate 20 and the support plate 11 from top to bottom, and the through hole 61 is used for guiding out detection gas leaked from the one-way valve; an air tank 70 is arranged on the frame 10 and positioned below the support plate 11, the air tank 70 is communicated with the through hole 61 through a flow meter 71, and the flow meter 71 is used for detecting the flow of the detection gas flowing out of the through hole 61; the electromagnetic valves are arranged on the frame 10 and comprise a first electromagnetic valve 81 connected to the air path of the pressing cylinder 40, a second electromagnetic valve 82 connected to the air path of the abutting cylinder 50 and a third electromagnetic valve 83 connected to the air path of the air inlet 51; the controller 90 is electrically connected with the electromagnetic valve, the controller 90 controls the air paths of the pressing cylinder 40, the abutting cylinder 50 and the air inlet head 51 to act in sequence through the electromagnetic valve to realize the automatic detection of the one-way valve, and the controller 90 is a logic program controller, such as a PLC (programmable logic controller) and the like; the display 100 is electrically connected to the flowmeter 71 and the controller 90, and the display 100 includes a display screen 102 capable of displaying data measured by the flowmeter 71 and control buttons 101 for controlling the operation of the controller 90.
In the present embodiment, in order to fully simulate the pressure environment in the crankcase and improve the accuracy when detecting the performance of the check valve, the air tank 70 is a constant pressure air tank, specifically, the pressure relief valve 72 is connected to the air tank 70, the pressure relief valve 72 is used for keeping the constant pressure in the air tank, and different pressure states of the crankcase can be simulated by adjusting the threshold value of the pressure relief valve 72, in the present embodiment, to enhance the strength of the air tank 70, a plurality of support ribs 73 arranged in a staggered manner are connected to the inner wall of the air tank 70, and these support ribs 73 can also smooth the gas flow rate in the air tank 70 and improve the noise elimination effect of the air tank 70.
In the present embodiment, the pressure of the detection gas introduced from the inlet head 51 is 1.5 times or more, preferably 3 to 3.5 times, the pressure of the air in the air tank 70; the detection block 60 is made of metal material, and a sealing ring 62 for sealing is arranged on the detection block 60; the abutting cylinder 50 is arranged on the bottom plate 20, the detection hole is formed in the side face of the cylinder cover, and a rubber layer 511 is arranged at the end part of the air inlet head 51, which is in contact with the cylinder cover, and used for sealing.
In order to improve the compression effect of the cylinder cover, the compression cylinder 40 is arranged on the bottom plate 20, a compression block 41 extending along the horizontal direction is arranged at the end part of a cylinder rod of the compression cylinder 40, when the cylinder rod of the compression cylinder retracts, the compression block 41 moves downwards to compress the cylinder cover on the bottom plate 20, specifically, the bottom surface of the compression block 41 is in threaded connection with an adjusting bolt 411, and when the compression block 41 moves downwards, the cylinder cover is compressed through the adjusting bolt 411; further, all the pressing cylinders 40 act synchronously, which means that the cylinder rods of the pressing cylinders 40 extend synchronously and also retract synchronously.
The cylinder cover detection equipment provided by the utility model has the advantages that the air inlet head is arranged at the end part of the air cylinder rod of the abutting cylinder, when the air cylinder rod extends out, the air inlet head can abut against the detection hole of the cylinder cover, so that the detection gas is guided into the cylinder cover; the through hole is formed in the detection block, so that gas leaked from the check valve can be led out; the air tank is communicated with the through hole through the flowmeter, so that the pressure environment in the crankcase can be simulated through the air tank, the noise elimination effect can be achieved, the leakage can be detected through the flowmeter, and the performance of the one-way valve can be detected; the controller is electrically connected with the electromagnetic valve, so that the air passages of the pressing cylinder, the abutting cylinder and the air inlet head can be controlled by the electromagnetic valve to act in sequence, and automatic detection is realized; through making the display be connected with the flowmeter electricity, can show and record the data that the flowmeter surveyed, detect accurately.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A cylinder head cover detection apparatus for detecting performance of a check valve on a cylinder head cover, the detection apparatus comprising:
the device comprises a rack, wherein a supporting plate is arranged in the middle of the rack;
the bottom plate is detachably arranged on the supporting plate, the upper surface of the bottom plate is parallel to the horizontal plane, and the bottom plate is used for placing a cylinder cover;
the positioning assembly is arranged on the bottom plate and extends upwards, the positioning assembly comprises a plurality of positioning columns and a plurality of positioning blocks, and the positioning assembly is used for positioning the cylinder cover;
a plurality of pressing cylinders for pressing the cylinder cover on the bottom plate;
the gas inlet head can abut against the detection hole of the cylinder cover cap when the cylinder rod of the abutting cylinder extends out, and the detection gas is introduced into a cavity formed between the cylinder cover cap and the bottom plate;
the detection block is arranged on the bottom plate and matched with the one-way valve, a through hole which sequentially penetrates through the detection block, the bottom plate and the support plate from top to bottom is formed in the detection block, and the through hole is used for guiding out detection gas leaked from the one-way valve;
the air tank is arranged on the rack and positioned below the supporting plate, the air tank is communicated with the through hole through a flowmeter, and the flowmeter is used for detecting the flow of the detection gas flowing out of the through hole;
the electromagnetic valve is arranged on the rack and comprises a first electromagnetic valve connected to the gas path of the pressing cylinder, a second electromagnetic valve connected to the gas path of the abutting cylinder and a third electromagnetic valve connected to the gas path of the air inlet head;
the controller is electrically connected with the electromagnetic valve and controls the air paths of the pressing cylinder, the abutting cylinder and the air inlet head to act in sequence through the electromagnetic valve so as to realize automatic detection of the one-way valve;
the display is electrically connected with the flowmeter and the controller, the display can display data measured by the flowmeter, and control buttons are arranged on the display.
2. The cylinder head cover detection apparatus according to claim 1, characterized in that: the air tank is a constant-pressure air tank.
3. The cylinder head cover detection apparatus according to claim 2, characterized in that: and the air tank is connected with a pressure relief valve, and the pressure relief valve is used for keeping the pressure in the air tank constant.
4. The cylinder head cover detection apparatus according to claim 2, characterized in that: the pressure of the detection gas introduced by the gas inlet head is more than 1.5 times of the air pressure in the air tank.
5. The cylinder head cover detection apparatus according to claim 1, characterized in that: the detection block is made of metal materials, and a sealing ring with a sealing function is arranged on the detection block.
6. The cylinder head cover detection apparatus according to claim 1, characterized in that: the abutting cylinder is arranged on the bottom plate, and the detection hole is formed in the side face of the cylinder cover.
7. The cylinder head cover detection apparatus according to claim 1, characterized in that: and a rubber layer is arranged at the end part of the air inlet head, which is contacted with the cylinder cover cap.
8. The cylinder head cover detection apparatus according to any one of claims 1 to 7, characterized in that: the pressing cylinder is arranged on the bottom plate, a pressing block extending along the horizontal direction is arranged at the end part of a cylinder rod of the pressing cylinder, and when the cylinder rod of the pressing cylinder retracts, the pressing block moves downwards to press the cylinder cover on the bottom plate.
9. The cylinder head cover detection apparatus according to claim 8, characterized in that: and the bottom surface of the pressing block is in threaded connection with an adjusting bolt, and the cylinder cover is pressed tightly through the adjusting bolt when the pressing block moves downwards.
10. The cylinder head cover detection apparatus according to claim 8, characterized in that: all the pressing air cylinders act synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547272.9U CN214471734U (en) | 2021-03-17 | 2021-03-17 | Cylinder cover detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547272.9U CN214471734U (en) | 2021-03-17 | 2021-03-17 | Cylinder cover detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214471734U true CN214471734U (en) | 2021-10-22 |
Family
ID=78156181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120547272.9U Active CN214471734U (en) | 2021-03-17 | 2021-03-17 | Cylinder cover detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214471734U (en) |
-
2021
- 2021-03-17 CN CN202120547272.9U patent/CN214471734U/en active Active
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