CN222887552U - Cylinder block cylinder hole tang degree of depth measuring device - Google Patents
Cylinder block cylinder hole tang degree of depth measuring device Download PDFInfo
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- CN222887552U CN222887552U CN202421866493.2U CN202421866493U CN222887552U CN 222887552 U CN222887552 U CN 222887552U CN 202421866493 U CN202421866493 U CN 202421866493U CN 222887552 U CN222887552 U CN 222887552U
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- slide groove
- depth measuring
- measuring device
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Abstract
The utility model relates to the technical field of engine measurement equipment and discloses a cylinder hole seam allowance depth measurement device of a cylinder body, which comprises a cross beam, wherein a depth measurement tool is fixedly arranged on the cross beam, a measuring head of the depth measurement tool penetrates through the cross beam to extend to the lower side of the cross beam, a first chute and a second chute are arranged at the bottom surface of the cross beam, which is close to two ends, in parallel, a top block is arranged in the first chute in a sliding manner, the top block is connected with the first chute through a spring, the bottom end of the top block extends out of the first chute, a screw rod sliding block structure is arranged at the second chute, the sliding block slides up and down in the second chute, the bottom end of the sliding block can extend out of the bottom surface of the cross beam for a set distance, a bubble type level meter is arranged in the middle of the top of the cross beam so as to realize leveling of the cross beam, the seam allowance depth data measured after the cross beam level eliminates the influence of the surface height of a cylinder hole surface on seam allowance depth measurement, and the measured data are accurate.
Description
Technical Field
The utility model relates to the technical field of engine measurement equipment, in particular to a cylinder hole spigot depth measurement device of a cylinder block.
Background
The depth of the cylinder hole seam allowance of the engine cylinder block is an important size of the cylinder block, if the depth of the cylinder hole seam allowance of the produced cylinder block does not reach the process standard, the installation of a subsequent steel sleeve can be affected, the phenomena of high water temperature, water return and the like of the whole engine can be caused later, and even the problems of cracking of a cylinder sleeve and the like are caused. Therefore, after the cylinder block cylinder hole spigot is finished, the depth of the cylinder hole spigot needs to be manually checked to determine whether the product meets the manufacturing standard. The measurement of jar hole tang degree of depth size adopts modes such as three-dimensional measuring machine, testing platform and altitude chi to detect generally, but these detection methods need transport the cylinder block from the production line, send corresponding measuring machine or platform department to measure, and the transportation distance is long, and is comparatively troublesome, is not applicable to batch detection, and detection efficiency is low.
The utility model patent with the publication number of CN216205929U discloses a spigot depth measuring device, which is characterized in that a dial indicator is arranged on a beam, and the beam is clamped on a cylinder hole surface during measurement to measure the spigot depth. However, when the cylinder block has uneven surface of the cylinder bore surface due to manufacturing error, the data of the spigot depth measured by the scheme is inaccurate, and the measuring mode of the scheme does not consider the influence of the uneven surface of the cylinder bore surface on the spigot depth measurement, so that certain limitation exists.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide the device for measuring the depth of the spigot of the cylinder hole of the cylinder body, and the structure of the bubble type level gauge and the screw rod sliding block is arranged, so that the measured spigot depth data after leveling the beam eliminates the influence of the surface height of the cylinder hole on the spigot depth measurement, and the measured data are accurate.
In order to achieve the above object, the present utility model is realized by the following technical scheme:
A depth measuring device for a spigot of a cylinder hole of a cylinder body comprises a cross beam, a depth measuring tool is fixedly mounted on the cross beam, a measuring head of the depth measuring tool penetrates through the cross beam to extend to the lower portion of the cross beam, a first sliding groove and a second sliding groove are arranged on the bottom face of the cross beam, which is close to two ends, in parallel, a top block is arranged in the first sliding groove in a sliding mode, the top block is connected with the first sliding groove through a spring, the bottom end of the top block extends out of the first sliding groove, a screw rod sliding block structure is arranged on the second sliding groove, a sliding block slides up and down in the second sliding groove, the bottom end of the sliding block can extend out of the bottom face of the cross beam for a set distance, and a bubble type level is arranged in the middle of the top of the cross beam.
As a further implementation manner, the length direction of the bubble type level is the same as the length direction of the cross beam.
As a further implementation mode, a clamping piece is arranged at the position, close to one end, of the top of the cross beam, and a depth measuring tool is fixed through the clamping piece and is a dial indicator or a dial indicator.
As a further implementation mode, the bubble type level is arranged at the middle position of the top of the cross beam, a handle mounting point is arranged on the cross beam at the two ends of the bubble type level, and a handle is mounted through the handle mounting point.
As a further implementation mode, the depth of the first sliding groove and the depth of the second sliding groove are smaller than the thickness of the cross beam, and the height of the top block is larger than the depth of the first sliding groove.
As a further implementation mode, the screw slider structure comprises a screw, a nut and a slider, wherein the top end of the screw is connected with the nut, the bottom end of the screw penetrates through the cross beam to extend into the second sliding groove to be in threaded fit with the slider, and threads on the screw are arranged close to the bottom end of the screw.
As a further implementation mode, the bottom surface of the nut is contacted with the top surface of the cross beam, a limiting piece is arranged on the screw rod, and the top surface of the limiting piece is abutted to the top surface of the second sliding groove to fix the height position of the screw rod.
As a further implementation manner, the bottom end of the screw rod is higher than the bottom surface of the cross beam.
As a further implementation manner, the first sliding groove and the second sliding groove are vertically arranged.
As a further implementation, the first chute and the second chute form an opening in a bottom surface of the cross beam.
The beneficial effects of the utility model are as follows:
1. According to the utility model, the bubble type level gauge is arranged on the cross beam, so that whether the heights of different positions of the cylinder hole surface are flush or not can be accurately judged before measurement, the screw rod sliding block structure is arranged, the bottom end of the sliding block can extend out of the bottom surface of the cross beam for a set distance, so that the leveling of the cross beam is realized, the measured spigot depth data after the cross beam is leveled eliminates the influence of the surface height of the cylinder hole surface on the spigot depth measurement, and the measured data are accurate.
2. The screw rod is provided with the limiting piece, the top surface of the limiting piece is abutted against the top surface of the second chute to fix the height position of the screw rod, and the screw rod and the cross beam are prevented from sliding relatively to influence measurement.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is an overall construction view of a cylinder block bore spigot depth measuring apparatus in an embodiment of the utility model;
FIG. 2 is an isometric view of a cylinder block bore spigot depth measurement apparatus in an embodiment of the utility model;
Fig. 3 is a schematic cross-sectional view of the right end of the cross beam according to an embodiment of the present utility model.
In the drawings, the mutual spacing or size is exaggerated for showing the positions of the parts, and the schematic drawings are only schematic.
The device comprises a calibration body 1, a first comparison block 12, a second comparison block 2, a cross beam 21, a first top block 22, a second top block 23, a through hole 24, a spring 25, a first sliding groove 26, a second sliding groove 27, a nut 28, a limiting piece 29, a screw rod 3, a bubble type level, 4, a handle 5, a clamping piece 6, a depth measuring tool 7, a measuring head 8 and a sliding block.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
As mentioned in the background art, in the prior art, a dial indicator is arranged on a cross beam, and when the measuring is carried out, two ends of the cross beam are clamped on a cylinder hole surface, so that the depth of a spigot of a cylinder hole is measured. However, when the cylinder block has uneven surface of the cylinder bore surface due to manufacturing error, the data of the spigot depth measured by the scheme is inaccurate, and the measuring mode of the scheme does not consider the influence of the uneven surface of the cylinder bore surface on the spigot depth measurement, so that certain limitation exists.
Example 1
In a typical embodiment of the utility model, referring to fig. 1, a cylinder hole seam allowance depth measuring device of a cylinder body comprises a beam 2, a depth measuring tool 6 is fixedly arranged on the beam 2, a measuring head 7 of the depth measuring tool 6 penetrates through the beam 2 to extend below the beam 2, a first chute 25 and a second chute 26 are arranged at the bottom surface of the beam 2 close to two ends in parallel, a top block is arranged in the first chute 25 in a sliding manner, the top block is connected with the first chute 25 through a spring 24, the bottom end of the sliding block 8 extends out of the first chute 25, a lead screw sliding block structure is arranged at the second chute 26, the sliding block 8 slides up and down in the second chute 26, the bottom end of the sliding block can extend out of the bottom surface of the beam for a set distance, and a bubble type level 3 is arranged at the middle position of the top of the beam.
As shown in fig. 1, a clamping piece 5 is arranged at the top of the cross beam near the left end, a through hole 23 is arranged on the cross beam at the clamping piece 5, so that the depth measuring tool 6 passes through, the depth measuring tool 6 is fixed by the clamping piece 5, and the depth measuring tool 6 adopts a dial indicator or a dial indicator.
It will be appreciated that the manner in which the dial indicator is fixed by the clamping member 5 by the cross beam 2 is in the prior art, so long as the dial indicator is clamped, and the dial indicator is prevented from moving up and down when measuring depth.
As shown in fig. 1-3, the bottom surface of the beam 2 near two ends is provided with a first chute 25 and a second chute 26 in parallel, the bottom ends of the first chute 25 and the second chute 26 extend to the bottom surface of the beam to form an opening, and the top surface of the chute is lower than the bottom surface of the beam so as to be convenient for arranging a spring and a limiting piece structure. The second sliding grooves 26 are positioned at the end part of the cross beam 2, and the first sliding grooves 25 are positioned at the sides of the two second sliding grooves 26 away from the end part of the cross beam 2. The first chute and the second chute 26 are vertically arranged, and the depth of the chute is smaller than the thickness of the cross beam 2.
The ejector block comprises a first ejector block 21 and a second ejector block 22, wherein the first ejector block 21 is positioned in a first chute 25 at the left end of the beam, and the second ejector block 22 is positioned in a first chute 25 at the right end of the beam. The ejector block is in sliding fit with the first chute 25, the top of the ejector block is connected with the first chute through a spring 24, and in a natural state, the bottom end of the ejector block extends out of the first chute.
As shown in fig. 1, when the beam 2 is pressed against the cylinder hole surface in the same direction as the longitudinal direction of the beam, if the heights of the two ends of the beam 2 are different, the air bubble in the bubble level 3 is not located at the middle position, but is biased to the end with the higher height of the beam 2, and the height relationship of the cylinder hole surface abutted against the two ends of the beam 2 can be rapidly determined by the arrangement of the bubble level 3.
Bubble formula spirit level 3 locates crossbeam 2 top intermediate position, is equipped with the handle mounting point on the crossbeam 2 at bubble formula spirit level 3 both ends, through handle 4 of handle mounting point installation U type, through handle 4, is convenient for control crossbeam 2.
The first and second top blocks 21 and 22 are identical in structure, and the top blocks are greater than the first runner 25 in depth, so that the springs 24 are fully compressed when the cross beam is pressed against a plane by the handle, and the bottom surfaces of the top blocks protrude out of the first runner openings in the bottom surface of the cross beam 2, i.e. the bottom surfaces of the top blocks are lower than the bottom surface of the cross beam 2.
When measuring tang degree of depth, need calibrate, adopt calibration body 1, calibration body 1 is also crossbeam structure, and length is the same with crossbeam 2, and the top at calibration body 1 both ends is equipped with first contrast piece 11 and second contrast piece 12 respectively, and the top surface of first contrast piece 11 and second contrast piece 12 is the plane, and highly the same.
During calibration, the bottom surface of the first top block 21 of the cross beam is abutted with the first comparison block 11 through the handle 4, the bottom surface of the second top block 22 is abutted with the second comparison block 12, the cross beam 2 is pressed down through the handle 4, the spring 24 is fully compressed, the top block is contracted towards the inside of the first chute 25 to the maximum extent, and after the dial indicator is calibrated, the spigot depth measurement can be carried out in the next step.
During measurement, two ends of the cross beam 2 are clamped on the cylinder hole surfaces through the handles 4, the cross beam 2 passes through the circle centers of the cylinder holes as much as possible, the cross beam 2 is pressed, at the moment, if the heights of the two ends of the cross beam 2 are different, air bubbles can deviate to the higher end, the influence of the difference of the cylinder hole surfaces on the spigot depth measurement is not considered in the prior art, and measured data do not have reference value.
In order to improve measurement accuracy, the cross beam 2 needs to be leveled, if a hand is adopted to lift the handle, one end of the cross beam 2, which is lower, is lifted, the influence of human factors is large, and the hand of a person can shake, so that the embodiment is provided with the screw rod sliding block structure.
As shown in fig. 3, the screw slider structure comprises a screw 29, a nut 27 and a slider 8, wherein the top end of the screw 29 is connected with the nut 27, and the bottom end of the screw 29 passes through the cross beam 2 to extend into the second chute 26 to be in threaded fit with the slider 8.
The sections of the sliding block 8 and the top block are square, and the sections of the sliding grooves are correspondingly square, so that the sliding block 8 and the top block are in sliding fit with the sliding grooves.
As shown in fig. 3, the bottom end of the screw 29 is higher than the bottom surface of the beam 2, i.e. the bottom end of the screw 29 does not extend out of the bottom surface of the beam 2, the bottom surface of the nut 27 at the top end of the screw 29 contacts with the top surface of the beam, and a through hole is required to be formed in the portion of the beam 2 above the second chute 26 to facilitate the screw to pass through. The screw thread on the screw rod 29 is arranged near the bottom end of the screw rod 29, and the screw thread is not arranged at the matching position of the screw rod 29 and the through hole of the cross beam, so that the screw rod 29 can only rotate by itself under the drive of the nut 27, and the position relative to the cross beam 2 cannot be changed.
In order to prevent the slider 8 from protruding out of the bottom surface of the cross beam 2, the screw 29 is lifted up, a limit piece 28 is provided on the circumferential side of the screw 29, and the top surface of the limit piece 28 abuts against the top surface inside the second chute 26 to fix the height position of the screw 29.
Before testing, the sliding block 8 needs to slide into the second sliding groove 26, the bottom surface of the sliding block 8 is higher than the bottom surface of the cross beam, and when the depth of the spigot is measured, if the left end of the cross beam 2 is high, the air bubble is deflected to the left end of the bubble type level 3 at this time, and the screw rod sliding block structure at the right end of the cross beam 2 needs to be adjusted. The nut 27 is rotated to drive the screw rod 29 to rotate, so that the sliding block 8 extends out of the bottom surface of the cross beam 2, when the sliding block 8 extends out and the bottom surface of the sliding block 8 contacts the cylinder hole surface, the sliding block 8 is close to the second jacking block 22, the bottom surface of the sliding block is basically flush with the bottom surface of the second jacking block 22, the nut is continuously rotated, the sliding block jacks up the right end of the cross beam, the distance between the top surface of the second jacking block 22 and the top surface of the first sliding groove becomes larger, the spring 24 starts to recover the length, the height of the right end of the cross beam 2 is adjusted to be the same as the height of the left end by extending the sliding block 8, the cross beam 2 is leveled, then the spigot depth measurement is carried out, and the measured depth data are more accurate. The measuring device of the embodiment is adopted for measurement, the influence of the uneven cylinder hole surface on the spigot depth measurement is considered, the influence is overcome by adjusting the sliding block 8, and the measured spigot depth has a reference value.
It will be appreciated that in other examples the nut cross-section is provided as a circle and the pointer is provided on the peripheral side of the nut and a corresponding circle of graduations is provided on the surface of the cross-beam on the peripheral side of the nut. Can compress tightly the crossbeam on the plane, when slider bottom surface and kicking block bottom surface parallel and level, the initial scale of pointer instruction, later when adjusting, the scale after the regulation is poor with initial scale, is the height that the crossbeam tip was raised promptly, through the mode that sets up the scale to and subsequent calculation, make measuring tang degree of depth more accurate.
It will be appreciated that the bubble level 3 of this embodiment may be replaced by a tilt sensor, the tilt data of which is connected to a computer by a wire, and the tilt data is displayed on the computer. By adjusting the sliding blocks 8, the leveling of the two ends of the cross beam is realized, and the mode is more accurate.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421866493.2U CN222887552U (en) | 2024-08-02 | 2024-08-02 | Cylinder block cylinder hole tang degree of depth measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421866493.2U CN222887552U (en) | 2024-08-02 | 2024-08-02 | Cylinder block cylinder hole tang degree of depth measuring device |
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| Publication Number | Publication Date |
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| CN222887552U true CN222887552U (en) | 2025-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421866493.2U Active CN222887552U (en) | 2024-08-02 | 2024-08-02 | Cylinder block cylinder hole tang degree of depth measuring device |
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| CN (1) | CN222887552U (en) |
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- 2024-08-02 CN CN202421866493.2U patent/CN222887552U/en active Active
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