CN220103923U - Engine common rail size precision detection device - Google Patents
Engine common rail size precision detection device Download PDFInfo
- Publication number
- CN220103923U CN220103923U CN202321458199.3U CN202321458199U CN220103923U CN 220103923 U CN220103923 U CN 220103923U CN 202321458199 U CN202321458199 U CN 202321458199U CN 220103923 U CN220103923 U CN 220103923U
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- axial
- common rail
- support
- base plate
- longitudinal
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses an engine common rail size precision detection device, which is characterized in that: the device comprises a substrate, be provided with four support casings that are in on the same straight line on the substrate, support casing is hollow structure, is provided with the gas circuit joint on its lateral wall, and gas circuit joint on the different support casings is parallelly connected each other through pipeline and gas tightness detector, be provided with round pin axle and a plurality of venthole on the terminal surface of support casing, the venthole distributes in the four corners department of support casing terminal surface, still be provided with two support frames on the substrate symmetrically, be provided with the horseshoe clamp on the support frame, the top of support frame still symmetrically is provided with two vertical sharp cylinders simultaneously, be provided with vertical logical end bar on the work end of vertical sharp cylinder, vertical logical end bar sliding connection is in the guiding hole of seting up on first guide block, first guide block then with support frame fixed connection.
Description
Technical Field
The utility model relates to a gauge, in particular to an engine common rail size precision detection device.
Background
The common rail is a part in the engine, the common rail is integrally hollow and cylindrical, a plurality of planes and a plurality of through holes are further formed in the side wall of the common rail, before the common rail leaves the factory, all dimensional accuracy of the common rail needs to be detected, such as coaxiality of the through holes at two ends of the common rail, whether the position accuracy of the through holes in the side wall and the plurality of planes are on the same plane or not, and the like.
There is thus a need for a method or apparatus that solves the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides the device which has the advantages of simple structure, ingenious design and reasonable layout, and can rapidly, conveniently and accurately detect the common rail of the engine with various dimensional accuracy.
The technical scheme of the utility model is as follows: an engine common rail dimensional accuracy detection device which is characterized in that: the device comprises a base plate 1, four supporting shells 2 which are positioned on the same straight line are arranged on the base plate 1, the supporting shells 2 are of hollow structures, air passage connectors 3 are arranged on the side walls of the supporting shells, the air passage connectors 3 on different supporting shells 2 are mutually connected in parallel with an air tightness detector 4 through pipelines, a pin shaft 5 and a plurality of air outlet holes 6 are arranged on the top end surface of the supporting shells 2, the air outlet holes 6 are distributed at four corners of the top end surface of the supporting shells 2,
two supporting frames 7 are symmetrically arranged on the base plate 1, a horseshoe clamp 8 is arranged on the supporting frames 7, two longitudinal straight-line air cylinders 9 are symmetrically arranged at the top ends of the supporting frames 7, longitudinal through-stop rods 10 are arranged on the working ends of the longitudinal straight-line air cylinders 9, the longitudinal through-stop rods 10 are slidingly connected in guide holes formed in first guide blocks 11, the first guide blocks 11 are fixedly connected with the supporting frames 7,
the two ends of the substrate 1 are respectively provided with an axial through hole detection mechanism, the axial through hole detection mechanism consists of an axial straight cylinder 12 and a second guide block 13, the working end of the axial straight cylinder 12 is provided with an axial through stop rod 14, the axial through stop rod 14 is slidably connected in a guide hole formed in the second guide block 13, and the two axial through stop rods 14 are collinear.
Compared with the prior art, the utility model has the following advantages:
the engine common rail size precision detection device in the structural form is simple in structure, ingenious in design and reasonable in layout, and aims at the problems that the workload is large, the time consumption is long, the production efficiency is affected and the like when the common rail is detected because of the fact that the special detection tool for detecting the size precision of the engine common rail is not used, a special structure is designed, a plurality of support shells which can be attached to the plane on the side wall of the common rail are arranged on a substrate of the special structure, and meanwhile, through-stop rods which are positioned at two ends of the common rail and above the common rail and are driven by air cylinders are arranged, after the detected common rail is positioned under the action of a horseshoe clamp, the through-stop rods at two ends can detect the coaxiality of through holes at two ends of the common rail, and the through-stop rods positioned above the through-stop rods can detect the position precision of holes on the side wall of the common rail; and air with certain pressure can be injected into all the hollow support shells through the air tightness detector, and whether a plurality of planes on the side wall of the common rail are in a coplanar state can be rapidly judged through the attenuation condition of the pressure. The common rail detection device can rapidly, conveniently and accurately detect various dimensional accuracies of the common rail, can save labor cost, can improve working efficiency, and can ensure detection accuracy. Meanwhile, the manufacturing process is simple, and the manufacturing cost is low, so that the novel plastic composite material has various advantages, is particularly suitable for popularization and application in the field, and has very broad market prospect.
Drawings
Fig. 1 is a schematic diagram of an engine common rail according to an embodiment of the present utility model.
Fig. 2 is a schematic structural view (no common rail state) of the embodiment of the present utility model.
Fig. 3 is a schematic structural view (clamping common rail state) of the embodiment of the present utility model.
Fig. 4 is a schematic view of the structure of the support housing portion in the embodiment of the present utility model.
Detailed Description
Specific embodiments of the present utility model will be described below with reference to the accompanying drawings. As shown in fig. 1 to 4: the utility model provides an engine common rail dimensional accuracy detection device, it includes a base plate 1 as the basis, be provided with four on the base plate 1 and be in same straight line support casing 2, support casing 2 is hollow structure, is provided with gas circuit joint 3 on its lateral wall, and gas circuit joint 3 on the different support casing 2 is parallelly connected each other with gas tightness detector 4 through the pipeline, be provided with round pin axle 5 and a plurality of ventholes 6 on the up end of support casing 2, venthole 6 distributes in the four corners department of support casing 2 up end,
two supporting frames 7 are symmetrically arranged on the base plate 1, a horseshoe clamp 8 is arranged on the supporting frames 7, two longitudinal straight-line air cylinders 9 are symmetrically arranged at the top ends of the supporting frames 7, longitudinal through-stop rods 10 are arranged on the working ends of the longitudinal straight-line air cylinders 9, the longitudinal through-stop rods 10 are slidingly connected in guide holes formed in first guide blocks 11, the first guide blocks 11 are fixedly connected with the supporting frames 7,
the two ends of the base plate 1 are respectively provided with an axial through hole detection mechanism, the axial through hole detection mechanism consists of an axial straight cylinder 12 and a second guide block 13, the working end of the axial straight cylinder 12 is provided with an axial through stop rod 14, the axial through stop rod 14 is slidingly connected in a guide hole arranged on the second guide block 13, the two axial through stop rods 14 are collinear,
the air tightness detector 4, the longitudinal linear cylinder 9 and the axial linear cylinder 12 are uniformly controlled by a control system.
The working process of the engine common rail size precision detection device provided by the embodiment of the utility model is as follows: firstly, the common rail 15 to be detected is taken and placed on the detection device, the pin shaft 5 on the top end face of the support shell 2 is used for positioning during placement, the four planes on the side wall of the common rail 15 are respectively attached to the top end faces of the four support shells 2, the common rail 15 is clamped by the two horseshoe clamps 8 after positioning, the detection can be started,
the control system sends signals to the longitudinal linear cylinder 9 and the axial linear cylinder 12 in the device, the longitudinal linear cylinder 9 drives the longitudinal through-stop rod 10 to descend, and if the bottom end of the longitudinal through-stop rod 10 can be smoothly inserted into the corresponding through holes on the common rail 15, the position accuracy of the through holes meets the requirement; the axial straight cylinder 12 drives the axial stop rods 14 to move towards the common rail 15, and if the two axial stop rods 14 can be smoothly inserted into the holes at the end parts of the common rail 15, the coaxiality precision of the holes at the two ends of the common rail 15 is proved to be in accordance with the requirement;
then the air tightness detector 4 is started, the air tightness detector 4 injects air with certain pressure into the inner cavities of all the support shells 2 through the pipelines, under the action of the horseshoe clamp 8, the plane on the side wall of the common rail 15 is tightly attached to the top end surface of the support shell 2 contacted with the plane, that is to say, the air pressure in all the support shells 2 should be stable in theory, if the air tightness detector 4 shows that the pressure in one pipeline has attenuation beyond the theoretical range, the situation that the support shell 2 has air leakage is indicated, and the fact that the plane corresponding to the support shell 2 is not coplanar with other planes can be judged, namely, the detected common rail 15 is an unqualified product.
Claims (1)
1. An engine common rail dimensional accuracy detection device which is characterized in that: the device comprises a base plate (1), four supporting shells (2) which are positioned on the same straight line are arranged on the base plate (1), the supporting shells (2) are of hollow structures, air passage connectors (3) are arranged on the side walls of the supporting shells, the air passage connectors (3) on different supporting shells (2) are mutually connected in parallel with an air tightness detector (4) through pipelines, a pin shaft (5) and a plurality of air outlet holes (6) are arranged on the top end surface of the supporting shell (2), the air outlet holes (6) are distributed at four corners of the top end surface of the supporting shell (2),
two support frames (7) are symmetrically arranged on the base plate (1), a horseshoe clamp (8) is arranged on the support frames (7), two longitudinal linear air cylinders (9) are symmetrically arranged at the top ends of the support frames (7), longitudinal through stop rods (10) are arranged at the working ends of the longitudinal linear air cylinders (9), the longitudinal through stop rods (10) are slidably connected in guide holes formed in first guide blocks (11), the first guide blocks (11) are fixedly connected with the support frames (7),
the two ends of the base plate (1) are respectively provided with an axial through hole detection mechanism, the axial through hole detection mechanism consists of an axial straight cylinder (12) and a second guide block (13), an axial through stop rod (14) is arranged at the working end of the axial straight cylinder (12), the axial through stop rod (14) is slidably connected in a guide hole formed in the second guide block (13), and the two axial through stop rods (14) are collinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321458199.3U CN220103923U (en) | 2023-06-09 | 2023-06-09 | Engine common rail size precision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321458199.3U CN220103923U (en) | 2023-06-09 | 2023-06-09 | Engine common rail size precision detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220103923U true CN220103923U (en) | 2023-11-28 |
Family
ID=88841783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321458199.3U Active CN220103923U (en) | 2023-06-09 | 2023-06-09 | Engine common rail size precision detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220103923U (en) |
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2023
- 2023-06-09 CN CN202321458199.3U patent/CN220103923U/en active Active
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