CN113418811A - Engine cylinder bore abrasion simulation test device - Google Patents
Engine cylinder bore abrasion simulation test device Download PDFInfo
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- CN113418811A CN113418811A CN202110680303.2A CN202110680303A CN113418811A CN 113418811 A CN113418811 A CN 113418811A CN 202110680303 A CN202110680303 A CN 202110680303A CN 113418811 A CN113418811 A CN 113418811A
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- cylinder
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- pressing plate
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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
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/027—Specimens with holes or notches
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a wear simulation test device for an engine cylinder hole, which comprises: the lifting mechanism comprises a base, a support outer frame, a lifting cylinder, a support, an electric cylinder connecting plate, a cover surface pressing plate, bolts and a reciprocating mechanism. The engine cylinder body is fixed on the base. The support frame is vertically fixed on the base. The lifting cylinder can be fixed on the top of the outer frame of the bracket in a longitudinally movable manner. One end of the bracket is fixedly connected with the lifting cylinder. One end of the electric cylinder is fixedly connected with the other end of the bracket. And one end of the electric cylinder connecting plate is fixedly connected with the other end of the electric cylinder. One end of the cover pressing plate is fixedly connected with the other end of the electric cylinder connecting plate. The bolt is screwed on one end of the cover surface pressing plate. Wherein the pressure to compress the spring can be adjusted by adjusting the bolt. Therefore, the engine cylinder hole abrasion simulation test device is simple and reasonable in structure, short in time period for detecting the abrasion resistance of the cylinder hole and low in cost.
Description
Technical Field
The invention relates to the technical field of engine tests, in particular to an engine cylinder hole abrasion simulation test device.
Background
With the continuous upgrade of diesel engines, the wear resistance of main engine parts such as cylinder bores and cylinder sleeves directly affects the overall quality of the engines. At present, a mode for comparatively evaluating the wear resistance of parts such as an engine cylinder hole, a cylinder sleeve and the like is to take a proper sample at a local position of the engine cylinder hole and the cylinder sleeve part, process the sample into a sample and perform a related friction and wear test. Thus, the wear resistance was evaluated.
However, the way of sampling and friction and wear testing on key parts such as engine cylinder bores, cylinder sleeves and the like is as follows: processing a corresponding sample, installing the sample in a friction wear testing machine, loading a load, setting a rotating speed, running corresponding testing time, measuring the surface grinding trace depth of the sample after the test is finished, and evaluating the wear resistance of cylinder holes and cylinder sleeve parts made of different materials under the same condition. The scheme does not simulate the actual working condition of the engine, and the test data is not accurate enough.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide an engine cylinder hole abrasion simulation test device which is simple and reasonable in structure, and can obtain an accurate abrasion resistance test result by actually simulating the use working condition of an engine cylinder hole.
In order to achieve the above object, the present invention provides an engine cylinder bore wear simulation test apparatus, comprising: the lifting mechanism comprises a base, a support outer frame, a lifting cylinder, a support, an electric cylinder connecting plate, a cover surface pressing plate, bolts and a reciprocating mechanism. The engine cylinder body is fixed on the base. The support frame is vertically fixed on the base. The lifting cylinder can be fixed on the top of the outer frame of the bracket in a longitudinally movable manner. One end of the bracket is fixedly connected with the lifting cylinder. One end of the electric cylinder is fixedly connected with the other end of the bracket. And one end of the electric cylinder connecting plate is fixedly connected with the other end of the electric cylinder. One end of the cover surface pressing plate is fixedly connected with the other end of the electric cylinder connecting plate, and the other end of the cover surface pressing plate is used for covering a cylinder hole of the engine cylinder body. The bolt is screwed on one end of the cover surface pressing plate. One end of the reciprocating mechanism is fixedly connected with the other end of the cover surface pressing plate, and the other end of the reciprocating mechanism is used for extending into the cylinder hole of the engine cylinder body. The novel bearing cap is characterized in that a linear bearing is arranged in the cap surface pressing plate, a thrust ball bearing is arranged in the linear bearing, the top of the thrust ball bearing is in threaded connection with a bolt, the bottom of the thrust ball bearing is fixedly connected with a spring fixing plate, a spring is arranged below the spring fixing plate, and a spring pressing plate is arranged below the spring. When the lifting cylinder rises, a piston is placed in the cylinder hole of the engine cylinder block, and when the lifting cylinder descends, the electric cylinder drives the linear bearing, the thrust ball bearing, the spring and the reciprocating mechanism to do reciprocating longitudinal motion, so that the piston is driven to do reciprocating longitudinal motion in the cylinder hole. Wherein the pressure to compress the spring can be adjusted by adjusting the bolt.
In one or more embodiments, the engine cylinder bore wear simulation test device further comprises a sensor connecting flange arranged between the electric cylinder and the electric cylinder connecting plate.
In one or more embodiments, the engine cylinder bore wear simulation test device further comprises a pressure sensor, which is arranged between the sensor connecting flange and the electric cylinder connecting plate, and the pressure sensor is used for monitoring the pressure of the bolt compression spring in real time.
In one or more embodiments, the base has a plurality of universal wheels at the bottom thereof, and the base has two positioning pins for corresponding fitting with the positioning pin holes of the engine block.
Compared with the prior art, the engine cylinder hole abrasion simulation test device is simple and reasonable in structure, and accurate abrasion resistance test results can be obtained by actually simulating the use working conditions of the engine cylinder hole.
Drawings
Fig. 1 is a schematic front view of an engine cylinder bore wear simulation test apparatus according to an embodiment of the present invention.
Description of the main reference numerals:
1-base, 2-frame outer frame, 3-lifting cylinder, 4-frame, 5-electric cylinder, 6-sensor connecting flange, 7-pressure sensor, 8-electric cylinder connecting plate, 9-bolt, 10-cover surface pressing plate, 11-linear bearing, 12-thrust ball bearing, 13-spring fixing plate, 14-spring, 15-spring pressing plate, 16-reciprocating mechanism and 17-engine cylinder body.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 is a schematic front view of an engine cylinder bore wear simulation test apparatus according to an embodiment of the present invention. As shown in fig. 1, an engine cylinder bore wear simulation test apparatus according to an embodiment of the present invention includes: the device comprises a base 1, a support outer frame 2, a lifting cylinder 3, a support 4, an electric cylinder 5, an electric cylinder connecting plate 8, a cover pressing plate 10, bolts 9 and a reciprocating mechanism 16. The engine cylinder block is fixed on the base 1. The support frame 2 is vertically fixed on the base 1. The lifting cylinder 3 is fixed on the top of the frame outer frame 2 in a longitudinally movable manner. One end of the bracket 4 is fixedly connected with the lifting cylinder 3. One end of the electric cylinder 5 is fixedly connected with the other end of the bracket 4. One end of the electric cylinder connecting plate 8 is fixedly connected with the other end of the electric cylinder 5. One end of the head surface pressing plate 10 is fixedly connected with the other end of the electric cylinder connecting plate 8, and the other end of the head surface pressing plate 10 is used for covering a cylinder hole of the engine cylinder block 17. The bolt 9 is screwed on the one end of the facing pressure plate 10. One end of the reciprocating mechanism 16 is fixedly connected to the other end of the head press plate 10, and the other end of the reciprocating mechanism 16 is used to extend into the cylinder bore of the engine block 17. The cover surface pressing plate is characterized in that a linear bearing 11 is arranged in the cover surface pressing plate 10, a thrust ball bearing 12 is arranged in the linear bearing 11, the top of the thrust ball bearing 12 is in threaded connection with a bolt 9, the bottom of the thrust ball bearing 12 is fixedly connected with a spring fixing plate 13, a spring 14 is arranged below the spring fixing plate 13, and a spring pressing plate 15 is arranged below the spring 14. When the lifting cylinder 3 is lifted, a piston is placed in the cylinder hole of the engine cylinder block 17, and when the lifting cylinder 3 is lowered, the electric cylinder 5 drives the linear bearing 11, the thrust ball bearing 12, the spring 14 and the reciprocating mechanism 16 to reciprocate longitudinally, so that the piston is driven to reciprocate longitudinally in the cylinder hole. Wherein the pressure for compressing the spring 14 can be adjusted by adjusting the bolt 9.
In one or more embodiments, the engine cylinder bore wear simulation test device further comprises a sensor connecting flange 6 arranged between the electric cylinder 5 and the electric cylinder connecting plate 8.
In one or more embodiments, the engine cylinder bore wear simulation test device further comprises a pressure sensor 7, which is arranged between the sensor connecting flange 6 and the electric cylinder connecting plate 8, and the pressure sensor 7 is used for monitoring the pressure of the bolt 9 compressing the spring 14 in real time.
In one or more embodiments, the base 1 has a plurality of universal wheels at the bottom thereof, and the base 1 has two positioning pins thereon for corresponding engagement with the positioning pin holes of the engine block 17.
In practical application, the engine cylinder bore wear simulation test device of the invention can adjust the pressure of the compression spring 14 through the adjusting bolt 9, so that the piston ring generates stable pressure on the cylinder bore of the engine cylinder block 17. The M50 bolt 9 compresses the spring 14, and the pressure can be measured in real time by the pressure sensor 7. After the engine cylinder body 17 is installed, the lifting cylinder 3 is lifted, and at the moment, the piston is accurately placed in a cylinder hole of the engine cylinder body 17, so that the piston does not slide out of the cylinder hole when the electric cylinder 5 moves, and meanwhile, the linear bearing 11 is pressed on the piston to be compressed and fixed. The reciprocating mechanism 16 drives the piston to reciprocate through the reciprocating motion of the electric cylinder 5, so that the work of the piston is simulated for testing, and an accurate wear-resisting property test result can be obtained.
In a word, the engine cylinder hole abrasion simulation test device is simple and reasonable in structure, accurate abrasion resistance test results can be obtained by actually simulating the use working conditions of the engine cylinder hole, and the pressure of the compression spring can be adjusted by adjusting the bolt, so that the piston ring generates stable pressure on the cylinder hole of the engine cylinder body.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (4)
1. An engine cylinder bore wear simulation test device, comprising:
a base on which an engine block is fixed;
the bracket outer frame is vertically fixed on the base;
the lifting cylinder is fixed at the top of the outer frame of the bracket in a longitudinally movable manner;
one end of the support is fixedly connected with the lifting cylinder;
one end of the electric cylinder is fixedly connected with the other end of the bracket;
one end of the electric cylinder connecting plate is fixedly connected with the other end of the electric cylinder;
one end of the cover surface pressing plate is fixedly connected with the other end of the electric cylinder connecting plate, and the other end of the cover surface pressing plate is used for covering a cylinder hole of the engine cylinder body;
the bolt is screwed on one end of the cover surface pressing plate; and
one end of the reciprocating mechanism is fixedly connected with the other end of the cover surface pressing plate, and the other end of the reciprocating mechanism is used for extending into the cylinder hole of the engine cylinder block;
the cover surface pressing plate is internally provided with a linear bearing, a thrust ball bearing is arranged in the linear bearing, the top of the thrust ball bearing is in threaded connection with a bolt, the bottom of the thrust ball bearing is fixedly connected with a spring fixing plate, a spring is arranged below the spring fixing plate, and a spring pressing plate is arranged below the spring;
when the lifting cylinder is lifted, a piston is placed in the cylinder hole of the engine cylinder block, and when the lifting cylinder is lowered, the electric cylinder drives the linear bearing, the thrust ball bearing, the spring and the reciprocating mechanism to do reciprocating longitudinal motion so as to drive the piston to do reciprocating longitudinal motion in the cylinder hole;
wherein the pressure to compress the spring can be adjusted by adjusting the bolt.
2. The engine cylinder bore wear simulation test device of claim 1, further comprising a sensor attachment flange disposed between the electrical cylinder and the electrical cylinder attachment plate.
3. The engine cylinder bore wear simulation test device of claim 2, further comprising a pressure sensor disposed between the sensor attachment flange and the electric cylinder attachment plate, and the pressure sensor is configured to monitor a pressure of the bolt compressing the spring in real time.
4. An engine cylinder bore wear simulation test device as set forth in claim 1 wherein the base has a plurality of universal wheels on the bottom thereof and two locating pins on the base for mating with corresponding locating pin holes of the engine block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110680303.2A CN113418811A (en) | 2021-06-18 | 2021-06-18 | Engine cylinder bore abrasion simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110680303.2A CN113418811A (en) | 2021-06-18 | 2021-06-18 | Engine cylinder bore abrasion simulation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113418811A true CN113418811A (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110680303.2A Pending CN113418811A (en) | 2021-06-18 | 2021-06-18 | Engine cylinder bore abrasion simulation test device |
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| Country | Link |
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| CN (1) | CN113418811A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776974A (en) * | 2021-09-29 | 2021-12-10 | 广西玉柴机器股份有限公司 | Electric reciprocating test mechanism for abrasion resistance of cylinder body |
-
2021
- 2021-06-18 CN CN202110680303.2A patent/CN113418811A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776974A (en) * | 2021-09-29 | 2021-12-10 | 广西玉柴机器股份有限公司 | Electric reciprocating test mechanism for abrasion resistance of cylinder body |
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