CN213067406U - Box part both ends hole depth of parallelism examines utensil - Google Patents
Box part both ends hole depth of parallelism examines utensil Download PDFInfo
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- CN213067406U CN213067406U CN202021724124.1U CN202021724124U CN213067406U CN 213067406 U CN213067406 U CN 213067406U CN 202021724124 U CN202021724124 U CN 202021724124U CN 213067406 U CN213067406 U CN 213067406U
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- 125000003003 spiro group Chemical group 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 5
- 238000001514 detection method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a checking fixture for parallelism of two end holes of box parts, which comprises a plug connector, a connecting piece, a fixed rod and a dial indicator, one end of the plug connector is a conical surface, the other end of the plug connector is fixed on one side of the connecting piece, the plug connector can be vertical to the outer side wall of the part to be detected and inserted into holes to be detected at two ends of the part to be detected, the conical surface of the plug connector can be respectively abutted against the inner side walls of the holes to be measured at the two ends, the outer side wall of the connecting piece is provided with a threaded hole, the outer side of the fixed rod is provided with an external thread, the fixed rod is positioned in the threaded hole and can move up and down relative to the connecting piece, the dial indicator is fixed at the bottom of the fixed rod, and by leveling the dial indicator with the bottom surface of the part, then the plug connectors are respectively abutted against holes to be measured at two ends of the box body type part, the difference value of the reading of the dial indicator is the parallelism error, therefore, the parallelism of the two end holes of the box type parts of different types relative to the bottom surface of the box type parts can be detected.
Description
Technical Field
The utility model relates to a box part both ends hole depth of parallelism detection area especially relates to an utensil is examined to box part both ends hole depth of parallelism.
Background
The box-like part is used for bearing the gear part and the bearing part in the machine, and the parallelism of the holes at the two ends relative to the bottom surface of the box is important. If the parallelism exceeds the error value, the shaft and the bearing are assembled to be inclined, the bearing abrasion is increased, and the service life of the bearing is shortened. The existing method for detecting the parallelism of the two end holes of the box type part is characterized in that a detection mandrel is inserted into the two end holes of the box body on a detection platform, and the height difference of the two ends of the detection mandrel is detected through a height vernier and a lever dial indicator.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an utensil is examined to box part both ends hole depth of parallelism can detect the box part both ends hole relative box part bottom surface depth of parallelism of different grade type.
The technical scheme of the utility model is realized like this: the utility model provides an utensil is examined to box part both ends hole depth of parallelism, including plug connector, connecting piece, dead lever and percentage table, plug connector one end is the conical surface, and the other end is fixed in connecting piece one side, the plug connector can the perpendicular to part lateral wall that awaits measuring and insert locate the part both ends that await measuring and wait to survey the hole, and the plug connector conical surface can be inconsistent with both ends downthehole lateral wall that awaits measuring respectively, sets up threaded hole on the connecting piece lateral wall, and the dead lever outside is provided with the external screw thread, but the dead lever is located the threaded hole and relative connecting piece up-and-down motion.
On the basis of the above technical scheme, preferably, the plug connector is a cone or a circular truncated cone.
On the basis of the technical scheme, the connector testing device is preferred to further comprise a limiting block, the limiting block is horizontally provided with a through hole, the connecting piece is inserted into the through hole and can slide relative to the through hole, the limiting block is abutted against the outer side wall of the part to be tested, and the connector clips can be perpendicular to the outer side wall of the part to be tested and inserted into the holes to be tested at two ends of the part to be tested.
Further preferably, the limiting block further comprises a first bolt, a first threaded hole is formed in the position of the through hole outwards, the first bolt is screwed in the first threaded hole, and the first bolt is abutted to the connecting piece to fix the connecting piece and the limiting block.
On above technical scheme's basis, it is preferred, still include fixed block and second bolt, the fixed block is fixed in the dead lever side, and vertical through hole has been seted up downwards at the fixed block top, and the percentage table sleeve is located the through hole, and the fixed block is equipped with the second screw hole at through hole position external opening, second bolt spiro union is in the second screw hole, and the second bolt makes the percentage table fixed with the counterbalance of percentage table sleeve.
On the basis of the technical scheme, the handle is preferably further included, and the handle is fixed to the other side, opposite to the insertion piece, of the connecting piece.
The utility model discloses an utensil is examined to box part both ends hole depth of parallelism has following beneficial effect for prior art:
(1) by arranging the plug connector, the connecting piece, the fixed rod and the dial indicator, one end of the plug connector is a conical surface, the other end is fixed at one side of the connecting piece, the plug connector can be vertical to the outer side wall of the part to be detected and inserted into holes to be detected at two ends of the part to be detected, the conical surface of the plug connector can be respectively abutted against the inner side walls of the holes to be measured at the two ends, the outer side wall of the connecting piece is provided with a threaded hole, the outer side of the fixed rod is provided with an external thread, the fixed rod is positioned in the threaded hole and can move up and down relative to the connecting piece, the dial indicator is fixed at the bottom of the fixed rod, the parallelism of the two end holes of different types of box parts relative to the bottom surface of the box parts can be detected, and by leveling the dial indicator with the bottom surface of the part to be detected, then the plug connectors are respectively abutted against holes to be measured at two ends of the box body type part, the difference value of the reading of the dial indicator is the parallelism error, therefore, the parallelism of the two end holes of different types of box parts relative to the bottom surface of the box parts can be detected;
(2) through setting up the stopper, the through-hole has been seted up to the stopper level, but the connecting piece is inserted and is located in the through-hole and the through-hole slip relatively, and through keeping out the stopper with the part lateral wall that awaits measuring, make the plug connector can the perpendicular to part lateral wall that awaits measuring and insert locate the part both ends that awaits measuring and wait to survey in the hole, perpendicular to part lateral wall that awaits measuring when making the plug connector contradict with the part both ends hole that awaits measuring, guarantee that the central line of plug connector is unanimous with the hole central line that awaits measuring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a parallelism testing fixture for holes at two ends of a box-like part of the present invention;
FIG. 2 is a perspective view of a second bolt of the parallelism testing fixture for holes at two ends of the box-like part of the present invention;
fig. 3 is a structural diagram of the box-like parts of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in figure 1, combine fig. 2-3, the utility model discloses a utensil is examined to box part both ends hole depth of parallelism, it includes plug connector 1, connecting piece 2, dead lever 3, percentage table 4, stopper 5, first bolt 6, fixed block 7, second bolt 8, handle 9 and box part 10.
The plug connector 1 is abutted against the inner side walls of the holes to be measured at the two ends and is perpendicular to the outer side wall of the part to be measured, so that the central line of the plug connector 1 is consistent with the central line of the hole to be measured. Specifically, 1 one end of plug connector is the conical surface, and the other end is fixed in connecting piece 2 one side, plug connector 1 can be perpendicular to the part lateral wall that awaits measuring and insert locate the part both ends that await measuring and wait to survey in the hole, and 1 conical surface of plug connector can be inconsistent with the downthehole lateral wall that awaits measuring at both ends respectively. Therefore, the plug connector 1 is abutted to holes to be measured at two ends of the box part respectively, and the height difference of the central line of the plug connector 1 is measured to be the parallelism error.
More specifically, the plug connector 1 is a cone or a circular truncated cone.
The connecting piece 2 is used for enabling the fixing rod 3 to move up and down, and the dial indicator 4 can be flushed with the bottom surface of the part to be measured for parts in the box body with different sizes. Specifically, threaded holes are formed in the outer side wall of the connecting piece 2, external threads are arranged on the outer side of the fixing rod 3, and the fixing rod 3 is located in the threaded holes and can move up and down relative to the connecting piece 2.
The fixing rod 3 is used for fixing the dial indicator 4, and specifically, the dial indicator 4 is fixed at the bottom of the fixing rod 3.
The dial indicator 4 is used for measuring the height difference of the central line when the plug connector 1 is respectively abutted to holes to be measured at two ends of the box part. Specifically, the dial indicator 4 needs to be adjusted to be flush with the bottom surface of the part to be measured through the fixing rod 3. When the box type part is placed on the platform, the difference value of the two readings of the dial indicator 4 is the parallelism error.
The detection method of the detection tool comprises the steps of placing the box type part on a platform, enabling the plug connector 1 to be abutted with a hole to be detected at one end of the box type part and enabling the plug connector 1 to be perpendicular to the outer side wall of the part to be detected, adjusting the fixing rod 3 to move up and down to enable the dial indicator 4 to be flush with the bottom surface of the part to be detected, recording the reading of the dial indicator 4 relative to the platform, enabling the plug connector 1 to be abutted with the hole to be detected at the other end of the box type part and enabling the plug connector 1 to be perpendicular to the outer side wall of the part to be detected, recording the reading of the dial indicator 4, and determining the difference value of the two readings of the dial indicator 4 to be a.
In order to ensure that the plug connector 1 is perpendicular to the outer side wall of the part to be tested when being abutted against the hole to be tested at the two ends of the box part, the device further comprises a limiting block 5. The through-hole has been seted up to stopper 5 level, but connecting piece 2 is inserted and is located in the through-hole and the through-hole slip relatively, and through keeping off stopper 5 and the part lateral wall that awaits measuring inconsistent, make plug connector 1 can be perpendicular to the part lateral wall that awaits measuring and insert and locate in the part both ends that awaits measuring treat the measuring hole. Perpendicular to part lateral wall that awaits measuring when conflicting through making plug connector 1 and box part both ends awaiting measuring hole, guarantee that the central line of plug connector 1 is unanimous with the hole central line that awaits measuring, and then guarantee depth of parallelism error measurement's accuracy.
When box part both ends hole is perpendicular with the box lateral wall, stopper 5 through-hole is perpendicular with stopper 5 lateral wall, and when box part both ends hole was certain contained angle with the box lateral wall, stopper 5 through-hole was same contained angle with stopper 5 lateral wall.
The detection method of the detection tool comprises the steps of placing the box type part on a platform, abutting a limiting block 5 against the outer side wall of one end of the part to be detected, pushing the plug connector 1 to abut against the hole to be detected at one end of the box type part, adjusting the fixing rod 3 to move up and down to enable the dial indicator 4 to be flush with the bottom surface of the part to be detected, recording the reading of the dial indicator 4 relative to the platform, abutting the limiting block 5 against the outer side wall of the other end of the part to be detected, pushing the plug connector 1 to abut against the hole to be detected at the other end of the box type part, recording the reading of the dial indicator 4, and determining the difference value of the two readings of the dial indicator 4 as the parallelism error.
In order to fix the limiting block 5 on the connecting piece 2 and prevent the limiting block 5 from being lost when the checking fixture is not used, the checking fixture further comprises a first bolt 6. The limiting block 5 is provided with a first threaded hole outwards at the position of the through hole, the first bolt 6 is screwed in the first threaded hole, and the first bolt 6 is abutted to the connecting piece 2 to fix the connecting piece 2 and the limiting block 5.
In order to fix the dial indicator on the fixing rod 3, the dial indicator further comprises a fixing block 7 and a second bolt 8. The fixed block 7 is fixed in dead lever 3 side, and vertical through hole has been seted up downwards at fixed block 7 top, and percentage table 4 sleeve is located the through hole, and fixed block 7 is opened outward in through hole position and is equipped with the second screw hole, 8 spiro unions of second bolt are in the second screw hole, and second bolt 8 makes percentage table 4 fixed with 4 sleeve offsets of percentage table.
In order to facilitate the sliding of the connector 2, the handle 9 is further included, said handle 9 being fixed to the other side of the connector 2 opposite to the plug-in connector 1.
The utility model discloses a measuring method does: place box class part on the platform, contradict plug connector 1 and box class part one end part to be measured mutually and make the part lateral wall that awaits measuring of plug connector 1 perpendicular to, then adjust 3 up-and-down motion of dead lever and make percentage table 4 flush with the part bottom surface that awaits measuring, take notes the relative platform reading of percentage table 4, contradict plug connector 1 and box class part other end part to be measured mutually and make the part lateral wall that awaits measuring of plug connector 1 perpendicular to after that, take notes the reading of percentage table 4, the difference of 4 readings of twice percentage table is the depth of parallelism error promptly, so can detect the box class part both ends of different grade type hole relative box class part bottom surface depth of parallelism.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a box part both ends hole depth of parallelism examines utensil which characterized in that: comprises a plug connector (1), a connecting piece (2), a fixed rod (3) and a dial indicator (4);
one end of the plug connector (1) is a conical surface, the other end of the plug connector (1) is fixed on one side of the connecting piece (2), the plug connector (1) can be perpendicular to the outer side wall of the part to be detected and inserted into holes to be detected at two ends of the part to be detected, and the conical surface of the plug connector (1) can be respectively abutted against the inner side walls of the holes to be detected at the two ends;
the outer side wall of the connecting piece (2) is provided with a threaded hole, the outer side of the fixed rod (3) is provided with an external thread, and the fixed rod (3) is positioned in the threaded hole and can move up and down relative to the connecting piece (2);
the dial indicator (4) is fixed at the bottom of the fixing rod (3).
2. The inspection device for parallelism of holes in two ends of box parts according to claim 1, is characterized in that: the plug connector (1) is a cone or a circular truncated cone.
3. The inspection device for parallelism of holes in two ends of box parts according to claim 1, is characterized in that: still include stopper (5), the through-hole has been seted up to stopper (5) level, but connecting piece (2) are inserted and are located in the through-hole and the through-hole slip relatively, and through keeping off stopper (5) and the part lateral wall that awaits measuring, make plug connector (1) can the perpendicular to part lateral wall that awaits measuring and insert and locate in the part both ends that await measuring are waited to measure the hole.
4. The inspection device for parallelism of holes in two ends of box parts according to claim 3, is characterized in that: still include first bolt (6), stopper (5) are equipped with first screw hole at the through-hole position external opening, first bolt (6) spiro union is in first screw hole, and first bolt (6) and connecting piece (2) are inconsistent to make connecting piece (2) fixed with stopper (5).
5. The inspection device for parallelism of holes in two ends of box parts according to claim 1, is characterized in that: still include fixed block (7) and second bolt (8), fixed block (7) are fixed in dead lever (3) side, and vertical through hole has been seted up downwards at fixed block (7) top, and percentage table (4) sleeve is located the through hole, and fixed block (7) are equipped with the second screw hole at through hole position evagination, second bolt (8) spiro union is in the second screw hole, and second bolt (8) and percentage table (4) sleeve are inconsistent to make percentage table (4) fixed.
6. The inspection device for parallelism of holes in two ends of box parts according to claim 1, is characterized in that: the handle (9) is fixed on the other side, opposite to the insertion piece (1), of the connecting piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724124.1U CN213067406U (en) | 2020-08-18 | 2020-08-18 | Box part both ends hole depth of parallelism examines utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724124.1U CN213067406U (en) | 2020-08-18 | 2020-08-18 | Box part both ends hole depth of parallelism examines utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213067406U true CN213067406U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021724124.1U Active CN213067406U (en) | 2020-08-18 | 2020-08-18 | Box part both ends hole depth of parallelism examines utensil |
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| Country | Link |
|---|---|
| CN (1) | CN213067406U (en) |
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- 2020-08-18 CN CN202021724124.1U patent/CN213067406U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A tool for measuring the parallelism of the two end holes of box type parts Granted publication date: 20210427 Pledgee: Agricultural Bank of China Danjiangkou Branch Pledgor: DANJIANGKOU DONGFA CRANKSHAFT Co.,Ltd. Registration number: Y2024980014834 |