CN211527256U - Special fixture is measured to D series engine cylinder block - Google Patents
Special fixture is measured to D series engine cylinder block Download PDFInfo
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- CN211527256U CN211527256U CN202020352160.3U CN202020352160U CN211527256U CN 211527256 U CN211527256 U CN 211527256U CN 202020352160 U CN202020352160 U CN 202020352160U CN 211527256 U CN211527256 U CN 211527256U
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- limit
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a special fixture is measured to D series engine cylinder block belongs to the mechanical detection area, when measuring to the box, because the clamping face is sheltered from the unable disposable measuring problem of realization and proposes by anchor clamps, it includes the anchor clamps base, and surface mounting has the limit stop who is used for injecing part antetheca position, the spacing adjust knob who is used for injecing part lateral wall position and the altitude mixture control who is used for supporting to the part bottom to support on the anchor clamps base, the altitude mixture control supports for threely, is isosceles triangle and distributes, the isosceles triangle's that limit stop's central line and three altitude mixture control support enclosed central line coincide mutually, limit adjust knob is located one side of limit stop central line, and the central line of limit adjust knob intersects the contained angle alpha that forms with limit stop's central line and is the acute angle. The utility model discloses can realize that a clamping just can accomplish all measurement contents.
Description
The technical field is as follows:
the utility model belongs to the technical field of mechanical detection, concretely relates to special fixture is measured to D series engine cylinder block.
Background art:
the three-coordinate measuring instrument is used as a detection device with the highest automation degree and the widest measuring range in the mechanical detection industry, is widely applied to the industries such as machinery, electronics, instruments, plastics and the like, and is used for fixing a part by using a clamp before detecting the part, and the part is fixed by the clamp while a measured part is exposed, so that the three-coordinate measuring instrument is convenient to measure. The six planes of a common box part, namely the plane vector directions are + X, + Y, + Z, -X, -Y and-Z respectively, all have processing contents to be measured, however, a problem exists after clamping, one surface contacting with a clamp is shielded by the clamp, and therefore, all the processing contents cannot be measured by clamping at one time. The part needs to be clamped again, the clamp is replaced, the part placing posture is changed, the shielded unmeasured surface is replaced to other measurable directions, and measurement can be carried out by reprogramming. Changing the posture of the part and the fixture in the measuring process will increase the labor intensity of the operator, affect the measuring precision, increase the cost for manufacturing the fixture, reduce the measuring efficiency and affect the measuring progress.
The utility model has the following contents:
the utility model overcomes above-mentioned defect provides a special fixture is measured to D series engine cylinder block, and this anchor clamps can realize that a clamping is just showing six planes of part are whole, once just once can measure the completion, save measuring time, improve measurement of efficiency.
The utility model discloses a technical scheme lie in: the utility model provides a special fixture is measured to D series engine cylinder block, includes the anchor clamps base, and surface mounting has the limit stop who is used for injecing part antetheca position, is used for injecing the spacing adjust knob of part lateral wall position and is used for carrying out the altitude mixture control that supports to the part bottom on the anchor clamps base, the altitude mixture control supports for three, is isosceles triangle-shaped and distributes on the anchor clamps base, the central line of limit stop coincides with the isosceles triangle's that three altitude mixture control supported and enclose central line, spacing adjust knob is located one side of limit stop central line, and the central line of limit adjust knob intersects contained angle alpha that forms with the central line of limit stop to be the acute angle.
Preferably, the fixture base is plate-shaped, and the fixture base is provided with a limit stop mounting hole for fixing a limit stop, a first height adjusting support mounting hole for fixing three height adjusting supports, a second height adjusting support mounting hole, a third height adjusting support mounting hole, a limit adjusting knob mounting hole for fixing a limit adjusting knob, and a fixture mounting hole for fixing the fixture base on the workbench.
Preferably, the fixture base is further provided with lightening holes, and the lightening holes are located in an isosceles triangle surrounded by the three height adjusting supports.
Preferably, limit stop installation through-holes are respectively formed in two sides of the upper surface of the limit stop, and two square columns are symmetrically arranged in the middle of the limit stop.
Preferably, each square column is symmetrically provided with a stop, and the width of each stop is larger than that of the square column and the clamp base.
Preferably, the limit adjusting knob comprises a first base and a first knob, the first base is in an inverted T shape, a first threaded mounting hole for mounting the first knob is formed in the side wall of the protruding portion of the first base, and limit adjusting knob mounting through holes are symmetrically formed in the upper surfaces of the two sides of the protruding portion; the first knob is a long bolt, the first knob is installed on the base through the first threaded installation hole, and the axis of the first knob is perpendicularly intersected with the axis of the first base.
Preferably, the height adjusting support comprises a second knob, a second base and a door-shaped bulge, the second base is rectangular plate-shaped, the door-shaped bulge is fixed on the base, a threaded mounting hole is formed in the top of the door-shaped bulge, the second knob is mounted in the door-shaped bulge through the threaded mounting hole, and mounting through holes are formed in the bases on two sides of the door-shaped bulge respectively.
Preferably, the mounting through hole is a waist-shaped hole with two semicircular sides and a rectangular middle part.
Preferably, the included angle α is 45 degrees.
The invention has the beneficial effects that:
1. the utility model discloses a height adjustment supports, shows the measuring space of the-Z direction of clamping part, has solved the measurand work piece-Z direction and still need change anchor clamps and put the gesture and just can carry out the measuring problem.
2. The utility model discloses a knob in the well spacing adjusting knob is connected with spacing adjusting support and adopts threaded connection, and knob two in the height adjusting support is connected with the height adjusting base and adopts threaded connection, and limit stop, spacing adjusting knob and height adjusting support also adopt threaded connection with the anchor clamps base, both make things convenient for the adjustment of later stage to anchor clamps, can practice thrift the maintenance cost in anchor clamps later stage again.
3. Use the utility model discloses, can realize a clamping and can accomplish all measurement items to the part, need not to change anchor clamps and the gesture of transform part in the measurement process, reduced operator's intensity of labour, reduced the influence of change gesture to measurement accuracy, improved measuring efficiency and progress.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a base of the fixture;
FIG. 3 is a schematic structural view of a bump stop;
FIG. 4 is a schematic view of a limit adjusting knob;
FIG. 5 is an exploded view of FIG. 4;
FIG. 6 is a schematic structural view of the height adjustment support;
FIG. 7 is an exploded view of FIG. 6;
FIG. 8 is a diagram showing the positional relationship between the present invention and the parts after they are mounted;
FIG. 9 is a rear view of FIG. 8;
wherein: 1 clamp base, 101-position stop mounting hole, 102-position height adjusting support mounting hole I, 103-position height adjusting support mounting hole II, 104-position height adjusting support mounting hole III, 105-position limit adjusting knob mounting hole, 106 clamp mounting hole, 107 lightening hole, 2-position limit stop, 201-position limit stop mounting through hole, 202 square column, 203 stop, 3-position limit adjusting knob, 301-position limit adjusting support, 302-position knob I, 303-position thread mounting hole I, 304-position limit adjusting knob mounting through hole, 4-position height adjusting support, 401-position knob II, 402-position height adjusting base, 403-position thread mounting hole II, 404-position mounting through hole, 405-shaped protrusion and 5 parts.
The specific implementation mode is as follows:
as shown in fig. 1, the utility model relates to a special fixture is measured to D series engine cylinder block, including anchor clamps base 1, surface mounting has limit stop 2, the spacing adjust knob 3 that is used for injecing 5 antetheca positions of part and is used for the height control who supports 5 bottoms of part to support 4 at anchor clamps base 1, height control supports 4 and is three, is isosceles triangle distribution, the central line of limit stop 2 coincides with the isosceles triangle's that three height control supported 4 and enclose central line, limit adjust knob 3 is located one side of limit stop 2 central line, and the central line of limit adjust knob 3 intersects the contained angle alpha that forms with the central line of limit stop 2 for the acute angle, contained angle alpha is 45 degrees.
As shown in fig. 2, the jig base 1 is plate-shaped, and the jig base 1 is provided with four stopper mounting holes 101 for fixing the stoppers 2, two height adjustment support mounting holes 102 for fixing the three height adjustment supports 4, two height adjustment support mounting holes 103, two height adjustment support mounting holes 104, four limit adjustment knob mounting holes 105 for fixing the limit adjustment knobs 3, and two jig mounting holes 106 for fixing the jig base 1 to the table. In order to reduce the weight of the fixture base 1, the fixture base 1 is a rectangle with four corners machined with chamfers, lightening holes 107 are further formed in the fixture base 1, and the lightening holes 107 are located in an isosceles triangle formed by the three height adjusting supports 4 in an enclosing mode.
As shown in fig. 3, stopper mounting through holes 201 are respectively formed on both sides of the upper surface of the stopper 2, and four stopper mounting through holes 201 are provided in total to ensure that the stopper is immovable when mounted on the jig base 1. Two square columns 202 are symmetrically arranged in the middle of the limit stop 2. A stop 203 is symmetrically arranged on each square column 202, and in order to ensure that the surface of the part 5 is not inclined when the part 5 is in the same plane, the longitudinal positions of the two stops 203 are consistent. The width of each stop block 203 is larger than the width of the square column 202 and the clamp base 1, and the square column 202 and the part 5 are kept at a certain distance by the contact of the stop blocks 203 and the part 5.
As shown in fig. 4 and 5, the limit adjusting knob 3 comprises a limit adjusting support 301 and a first knob 302, the limit adjusting support 301 is in an inverted T shape, a first threaded mounting hole 303 for mounting the first knob 302 is formed in a side wall of a protruding portion of the limit adjusting support, limit adjusting knob mounting through holes 304 are symmetrically formed in the upper surfaces of two sides of the protruding portion, and the number of the limit adjusting knob mounting through holes 304 is four, so that the position is ensured to be immovable when the limit adjusting knob is mounted on the clamp base 1; the first knob 302 is a long bolt, one end of the long bolt is hemispherical, and the other end of the long bolt is a rotary hand disc; the first knob 302 is installed on the limit adjusting support 301 through a first threaded installation hole 303, and the axis of the first knob 302 is perpendicularly intersected with the axis of the limit adjusting support 301. The fine adjustment of the adjusting knob 302 can be used for controlling the horizontal direction of the part 5.
As shown in fig. 6 and 7, the height adjusting support 4 includes a second knob 401, a height adjusting base 402 and a door-shaped protrusion 405, the height adjusting base 402 is rectangular plate-shaped, the door-shaped protrusion 405 is fixed on the height adjusting base 402, a threaded mounting hole 403 is formed at the top of the door-shaped protrusion 405, the second knob 401 is a long bolt, one end of the long bolt is hemispherical, and the other end of the long bolt is a rotary handwheel; the second knob 401 is installed in the door-shaped bulge 405 through the threaded installation hole 403, the position height of the part 5 located at the upper end of the second knob 401 can be changed through fine adjustment of the height of the extending end of the second knob 401, and installation through holes 404 are respectively formed in the height adjusting bases 402 on two sides of the door-shaped bulge 405. In order to make the horizontal position of the height adjusting support 4 on the fixture base 1 fine-adjustable, the installation through hole 404 is a waist-shaped hole with two semicircular sides and a rectangular middle.
The working process is as follows:
first step assembly fixture: firstly, install limit stop 2, spacing adjust knob 3, three altitude mixture control support 4 on anchor clamps base 1 through the bolt respectively, altitude mixture control support 4 can carry out horizontal position's fine setting according to actual conditions, has formed a anchor clamps whole this moment.
Fixing the fixture in the second step: the fixture base 1 is fixed on the measuring instrument working platform by two bolts through two positioning mounting holes 106 on the fixture base 1, and is immovable after being fixed.
Thirdly, clamping the part: as shown in fig. 8 and 9, the part 5 is placed on the three height adjusting supports 4, the part 5 is ensured to be horizontal through a second knob 401, and the Z direction is determined; the front wall of the part 5 is abutted against the limit stop 2 to determine the Y direction; the side surface of the part 5 is abutted against the limit adjusting knob 3, and the X direction is determined through the first knob 302. Because the part 5 is heavy, the part 5 cannot move if not subjected to a large external force after the position is determined, and clamping of the part 5 is completed.
The fourth step is programmed measurement: after the part 5 is clamped, a certain space is reserved in the-Z direction of the part 5, the six faces of the part 5 can be measured in a programming mode by utilizing the space advantage, and all measurement contents can be completed by clamping the workpiece once.
The above description is only the preferred embodiments of the present invention, and these embodiments are all based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A special fixture for measuring a D-series engine cylinder body is characterized by comprising a fixture base (1), a limit stop (2) used for limiting the front wall position of the part (5), a limit adjusting knob (3) used for limiting the side wall position of the part (5) and a height adjusting support (4) used for supporting the bottom of the part (5) are arranged on the upper surface of the clamp base (1), three height adjusting supports (4) are distributed on the clamp base (1) in an isosceles triangle shape, the central line of the limit stop block (2) is coincided with the central line of an isosceles triangle surrounded by the three height adjusting supports (4), the limit adjusting knob (3) is positioned on one side of the central line of the limit stop block (2), and the central line of the limit adjusting knob (3) and the central line of the limit stop block (2) intersect to form an included angle alpha which is an acute angle.
2. The special jig for measuring the D series engine cylinder block as claimed in claim 1, wherein: the fixture base (1) is plate-shaped, and a limit stop mounting hole (101) for fixing a limit stop (2), a height adjusting support mounting hole I (102) for fixing three height adjusting supports (4), a height adjusting support mounting hole II (103), a height adjusting support mounting hole III (104), a limit adjusting knob mounting hole (105) for fixing a limit adjusting knob (3) and a fixture mounting hole (106) for fixing the fixture base (1) on a workbench are formed in the fixture base (1).
3. The special jig for measuring the D series engine block as claimed in claim 2, wherein: the fixture base (1) is further provided with lightening holes (107), and the lightening holes (107) are located in an isosceles triangle formed by the three height adjusting supports (4).
4. The special jig for measuring the D series engine block as claimed in claim 2, wherein: limiting stop mounting through holes (201) are respectively formed in two sides of the upper surface of the limiting stop (2), and two square columns (202) are symmetrically arranged in the middle of the limiting stop (2).
5. The special jig for measuring the D series engine block as claimed in claim 4, wherein: each square column (202) is symmetrically provided with a stop block (203), and the width of each stop block (203) is larger than the width of each square column (202) and the width of the clamp base (1).
6. The special jig for measuring the D series engine block according to any one of claims 1 to 5, characterized in that: the limiting adjusting knob (3) comprises a limiting adjusting support (301) and a first knob (302), the limiting adjusting support (301) is in an inverted T shape, a first threaded mounting hole (303) for mounting the first knob (302) is formed in the side wall of the protruding portion of the limiting adjusting support, and limiting adjusting knob mounting through holes (304) are symmetrically formed in the upper surfaces of the two sides of the protruding portion; the first knob (302) is a long bolt, the first knob (302) is installed on the limiting adjusting support (301) through the first threaded installation hole (303), and the axis of the first knob (302) is perpendicularly intersected with the axis of the limiting adjusting support (301).
7. The special jig for measuring the D series engine block as claimed in claim 6, wherein: height adjustment supports (4) including knob two (401), height adjustment base (402) and door font is protruding (405), height adjustment base (402) is rectangular plate-like, door font is protruding (405) to be fixed on height adjustment base (402), has seted up screw thread mounting hole (403) at the protruding top of door font (405), knob two (401) are installed in door font is protruding (405) through screw thread mounting hole (403), have seted up installation through-hole (404) respectively on height adjustment base (402) of door font protruding (405) both sides.
8. The special jig for measuring the cylinder block of the D-series engine according to claim 7, wherein: the mounting through hole (404) is a waist-shaped hole with two semicircular sides and a rectangular middle part.
9. The special jig for measuring the D series engine cylinder block as claimed in claim 1, wherein: the included angle alpha is 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352160.3U CN211527256U (en) | 2020-03-19 | 2020-03-19 | Special fixture is measured to D series engine cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352160.3U CN211527256U (en) | 2020-03-19 | 2020-03-19 | Special fixture is measured to D series engine cylinder block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211527256U true CN211527256U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020352160.3U Expired - Fee Related CN211527256U (en) | 2020-03-19 | 2020-03-19 | Special fixture is measured to D series engine cylinder block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211527256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539910A (en) * | 2020-12-03 | 2021-03-23 | 中国航天空气动力技术研究院 | Gas vane force measurement test support |
-
2020
- 2020-03-19 CN CN202020352160.3U patent/CN211527256U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539910A (en) * | 2020-12-03 | 2021-03-23 | 中国航天空气动力技术研究院 | Gas vane force measurement test support |
| CN112539910B (en) * | 2020-12-03 | 2023-01-24 | 中国航天空气动力技术研究院 | Gas vane force measurement test support |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 Termination date: 20210319 |