CN214842934U - Device for measuring abrasion of valve guide pipe of engine - Google Patents
Device for measuring abrasion of valve guide pipe of engine Download PDFInfo
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- CN214842934U CN214842934U CN202121501593.1U CN202121501593U CN214842934U CN 214842934 U CN214842934 U CN 214842934U CN 202121501593 U CN202121501593 U CN 202121501593U CN 214842934 U CN214842934 U CN 214842934U
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- valve guide
- position locating
- locating lever
- measuring
- engine
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Abstract
The utility model discloses a measure device of engine valve pipe wearing and tearing, including supporting the base and the volume of awaiting measuring valve pipe, the sliding hole has been seted up in the middle of the top of supporting the base, the inner wall sliding connection of sliding hole has the position locating lever, bottom one side of supporting the base is equipped with the location slider, a plurality of spacing grooves that use with the cooperation of location slider are seted up to one side of position locating lever, the top of position locating lever is provided with inside micrometer. The utility model discloses a set up the position locating lever that can be spacing to internal diameter measuring device, but realized the internal diameter length variation of accurate measurement valve guide same position around the experiment, reflect its wearing and tearing volume, the utility model discloses guarantee the accuracy of valve guide internal diameter measurement position, and then improved the accuracy of wearing and tearing volume measurement, device overall structure is simple, and convenient operation is swift, has the commonality, still can provide the technical basis for pipe design and development.
Description
Technical Field
The utility model relates to an engine measuring equipment technical field especially relates to a measure device of engine valve pipe wearing and tearing.
Background
The valve guide pipe is a guide device of the automobile engine valve, and the valve guide pipe plays a role in guiding the valve and enables heat on a valve rod to be transmitted to a cylinder cover through the valve guide pipe.
With the continuous strengthening and increasing of the heat load of the engine, especially in the development of a high-power natural gas engine, the abrasion of a valve guide pipe of the engine is a problem which is often encountered, and after a test, the abrasion of the valve guide pipe at the end of an air passage is large, the abrasion of an oil seal end of a valve is small, and the valve guide pipe is in a horn shape. In order to comprehensively know the abrasion condition of the valve guide pipe, the inner diameter change of the valve guide pipe before and after the abrasion condition needs to be accurately measured through tests, the consistency of the measurement positions before and after the tests needs to be ensured, the measurement position is generally manually grasped by a measurer to cause deviation of the measurement position and influence the accuracy of the measurement result in the prior art, and therefore the device for measuring the abrasion of the valve guide pipe of the engine is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the measurement of current valve guide internal diameter generally leads to the fact the deviation of measuring position around the experiment through the manual grasp measuring position of measurer to influence the accurate nature of measuring result from this, and the device of a measurement engine valve guide wearing and tearing that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a measure device of engine valve pipe wearing and tearing, is including supporting the base and the volume of awaiting measuring valve pipe, the sliding hole has been seted up in the middle of the top of supporting the base, the inner wall sliding connection of sliding hole has the position locating lever, bottom one side of supporting the base is equipped with the location slider, a plurality of spacing grooves that use with the cooperation of location slider are seted up to one side of position locating lever, the top of position locating lever is provided with inside micrometer.
Preferably, the top of the positioning sliding block is provided with a through hole, the bottom of the supporting base is provided with a screw hole, the top of the positioning sliding block is in contact with the bottom of the supporting base, and the through hole and the screw hole are internally provided with the same fastening screw.
Preferably, one side of the position locating rod is provided with a scale.
Preferably, one end of the positioning sliding block, which extends to the inside of the limiting groove, is trapezoidal.
Preferably, a magnetic adsorption block is embedded on one side of the support base.
Preferably, the position locating rod and the central line of the valve guide pipe are coaxially arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
preparing to measure the length of the inner diameter of the valve guide pipe before testing, unscrewing and taking down the fastening screw, releasing the clamping of the positioning slide block on the position positioning rod, referring to the scale on the position positioning rod, moving the position positioning rod up and down to a specified position, clamping the position positioning rod by sliding the positioning slide block, putting on and screwing the fastening screw, putting the top of the position positioning rod into the valve guide pipe from the bottom, magnetically connecting the magnetic adsorption block with an external cylinder cover valve seat ring, enabling the position positioning rod to be coaxial with the central line of the valve guide pipe, putting the measuring head of an inside micrometer into the valve guide pipe from the top, enabling the measuring head to be in contact with the top of the position positioning rod, enabling the measuring head of the inside micrometer to work and read to obtain the length of the inner diameter of the valve guide pipe before testing, and obtaining the length of the inner diameter of the valve guide pipe at the same accurate position after testing in the same operation steps after testing, and reflecting the abrasion degree of the valve guide pipe, through the block position of adjustment location slider and position locating lever, internal diameter length data before and after the experiment of measurable quantity valve pipe different positions.
The utility model discloses a set up the position locating lever that can be spacing to internal diameter measuring device, but realized the internal diameter length variation of accurate measurement valve guide same position around the experiment, reflect its wearing and tearing volume, the utility model discloses guarantee the accuracy of valve guide internal diameter measurement position, and then improved the accuracy of wearing and tearing volume measurement, device overall structure is simple, and convenient operation is swift, has the commonality, still can provide the technical basis for pipe design and development.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of a device for measuring wear of an engine valve guide according to the present invention;
fig. 2 is a schematic view of the overall structure of a device for measuring wear of an engine valve guide according to the present invention;
fig. 3 is an enlarged view of a portion a of the structure of fig. 1 of a device for measuring wear of an engine valve guide according to the present invention.
In the figure: 1. an inside micrometer; 2. a valve guide; 3. a position locating rod; 4. a through hole; 5. a support base; 6. fastening screws; 7. positioning the sliding block; 8. a magnetic adsorption block; 9. a slide hole; 10. a screw hole; 11. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
As shown in fig. 1-3, a device for measuring wear of an engine valve guide pipe comprises a support base 5 and a valve guide pipe 2 to be measured, wherein a sliding hole 9 is formed in the middle of the top of the support base 5, a position locating rod 3 is connected to the inner wall of the sliding hole 9 in a sliding manner, a locating slider 7 is arranged on one side of the bottom of the support base 5, a plurality of limiting grooves 11 matched with the locating slider 7 are formed in one side of the position locating rod 3, and an inside micrometer 1 is arranged at the top of the position locating rod 3.
Example two
The embodiment is improved on the basis of the first embodiment: through-hole 4 has been seted up at the top of location slider 7, and screw 10 has been seted up to the bottom of supporting base 5, and the top of location slider 7 and the bottom contact of supporting base 5, the inside of through-hole 4 and screw 10 are provided with same fastening screw 6, and one side of position locating lever 3 is provided with the scale, and the one end shape that location slider 7 extended to spacing groove 11 inside is trapezoidal.
EXAMPLE III
The embodiment is improved on the basis of the first embodiment: one side of the supporting base 5 is embedded with a magnetic adsorption block 8, and the position locating rod 3 and the central line of the valve guide pipe 2 are coaxially arranged.
The working principle is as follows: before the test, preparing to measure the length of the inner diameter of the valve guide pipe 2, loosening and taking down the fastening screw 6, releasing the clamping of the positioning slide block 7 on the position positioning rod 3, referring to the scale on the position positioning rod 3, moving the position positioning rod 3 up and down to a specified position, clamping the position positioning rod 3 by the sliding positioning slide block 7, putting on and screwing the fastening screw 6, putting the top of the position positioning rod 3 from the bottom of the valve guide pipe 2, magnetically connecting the magnetic adsorption block 8 with the external cylinder cover valve seat ring, enabling the central lines of the position positioning rod 3 and the valve guide pipe 2 to be coaxial, putting the measuring head of the inside micrometer 1 from the top of the valve guide pipe 2, contacting the measuring head with the top of the position positioning rod 3, enabling the measuring head of the inside micrometer 1 to work and read to obtain the length of the inner diameter of the valve guide pipe 2 before the test, taking out the inside micrometer 1 and the position positioning rod 3 from the inside of the valve guide pipe 2, the valve guide pipe 2 is tested, the operation steps are repeated after the test, the tested inner diameter length of the valve guide pipe 2 at the same accurate position can be obtained, the abrasion degree of the valve guide pipe 2 can be reflected by the inner diameter length difference value before and after the test, and the inner diameter length data before and after the test of the valve guide pipe 2 at different positions can be measured by adjusting the clamping position of the positioning slide block 7 and the position positioning rod 3.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a measure device of engine valve pipe wearing and tearing, is including supporting base (5) and the volume of awaiting measuring valve pipe (2), its characterized in that, sliding hole (9) have been seted up in the middle of the top of supporting base (5), the inner wall sliding connection of sliding hole (9) has position locating lever (3), bottom one side of supporting base (5) is equipped with location slider (7), one side of position locating lever (3) is seted up a plurality of spacing grooves (11) that use with location slider (7) cooperation, the top of position locating lever (3) is provided with inside micrometer (1).
2. The device for measuring the abrasion of the valve guide of the engine according to claim 1, wherein the top of the positioning sliding block (7) is provided with a through hole (4), the bottom of the supporting base (5) is provided with a screw hole (10), the top of the positioning sliding block (7) is contacted with the bottom of the supporting base (5), and the same fastening screw (6) is arranged inside the through hole (4) and the screw hole (10).
3. A device for measuring wear of an engine valve guide according to claim 1, characterized in that one side of the position locating lever (3) is provided with a scale.
4. A device for measuring wear of an engine valve guide according to claim 1, characterized in that the end of the positioning slider (7) extending inside the limiting groove (11) is trapezoidal in shape.
5. The device for measuring the wear of the valve guide of the engine according to claim 1, characterized in that a magnetic adsorption block (8) is embedded on one side of the supporting base (5).
6. A device for measuring wear of an engine valve guide according to claim 1, characterized in that the position locating rod (3) and the centre line of the valve guide (2) are arranged coaxially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121501593.1U CN214842934U (en) | 2021-07-02 | 2021-07-02 | Device for measuring abrasion of valve guide pipe of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121501593.1U CN214842934U (en) | 2021-07-02 | 2021-07-02 | Device for measuring abrasion of valve guide pipe of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214842934U true CN214842934U (en) | 2021-11-23 |
Family
ID=78812132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121501593.1U Active CN214842934U (en) | 2021-07-02 | 2021-07-02 | Device for measuring abrasion of valve guide pipe of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214842934U (en) |
-
2021
- 2021-07-02 CN CN202121501593.1U patent/CN214842934U/en active Active
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