CN220708244U - Detection structure - Google Patents
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- CN220708244U CN220708244U CN202321550758.3U CN202321550758U CN220708244U CN 220708244 U CN220708244 U CN 220708244U CN 202321550758 U CN202321550758 U CN 202321550758U CN 220708244 U CN220708244 U CN 220708244U
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- 238000001514 detection method Methods 0.000 title claims abstract description 128
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model relates to a detection structure, and relates to the technical field of automobiles. The detection structure comprises a first detection component and a second detection component; the first detection component extends along a first direction and is used for being matched with a target to-be-detected end of the to-be-detected piece; the second detection assembly is arranged on the first detection assembly, extends along a second direction, is perpendicular to the first direction and is used for being matched with a target hole to be detected of the piece to be detected; when the first detection component is matched with the target to-be-detected end, if the second detection component is matched with the target to-be-detected hole of the to-be-detected piece, the size of the to-be-detected piece is qualified. The technical scheme disclosed by the utility model can solve the problems of long size measurement time and insufficient detection accuracy of the shell of the existing aftertreatment device.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a detection structure.
Background
With the increasing demands for environmental protection and for reducing fuel consumption, automobiles generally employ aftertreatment devices to reduce exhaust emissions in order to meet the emissions requirements.
The aftertreatment device is configured to receive and process exhaust gas produced by the internal combustion engine. The aftertreatment device includes a housing and a plurality of different components disposed within the housing to reduce the level of toxic emissions present in the exhaust gas. The relevant components on the shell are assembled with the automobile to realize the installation of the aftertreatment device, so the dimensional accuracy of the relevant components on the shell is important for the installation of the aftertreatment device.
However, the inventors found that there are at least the following problems in the prior art: the size of the housing of the aftertreatment device is usually detected by means of a three-dimensional measuring instrument, the measuring time is long and the detection accuracy is not sufficient.
Disclosure of Invention
The embodiment of the utility model provides a detection structure, which can solve the problems of long size measurement time and insufficient detection accuracy of a shell of the existing aftertreatment device.
In a first aspect, an embodiment of the present utility model provides a detection structure, including:
the first detection component extends along a first direction and is used for being matched with a target to-be-detected end of the to-be-detected piece;
the second detection component is arranged on the first detection component, extends along a second direction, is perpendicular to the first direction and is used for being matched with a target hole to be detected of the piece to be detected;
when the first detection component is matched with the target to-be-detected end, if the second detection component is matched with the target to-be-detected hole of the to-be-detected piece, the size of the to-be-detected piece is qualified.
In one embodiment, the first detection assembly comprises:
a first support arm extending in the first direction;
the detection disc is arranged on the first supporting arm and can be matched with the target end to be detected.
In one embodiment, the second detection assembly comprises a second support arm and two detection pieces, wherein the second support arm is arranged on the first support arm, and the second support arm extends along the second direction;
the two detection pieces are arranged at intervals in the second direction, the detection pieces are movably arranged on the second supporting arm, the detection pieces can move along the first direction and the axial direction of the detection hole, and the third direction is perpendicular to the first direction and the second direction;
the target hole to be detected comprises two holes to be detected, the two holes to be detected correspond to the two detecting pieces one by one, and the detecting pieces are used for being inserted into the corresponding holes to be detected.
In one embodiment, the second supporting arm is provided with two through holes, the two through holes are in one-to-one correspondence with the two detecting pieces, and the detecting pieces are movably arranged in the corresponding through holes;
wherein, on the plane perpendicular to the axis of the through hole, the projected length of the through hole is greater than the projected length of the detecting member, and the projected width of the through hole is equal to the projected width of the detecting member.
In one embodiment, the two through holes are symmetrical about a detection plane, the detection plane is parallel to the plane of the detection disc, and a first preset distance is reserved between the plane of the detection disc and the detection plane; the two through holes are provided with a second preset distance in the second direction;
the two holes to be detected are symmetrical with respect to a plane to be detected, the plane to be detected is parallel to the end face of the target end to be detected, a first distance to be detected is arranged between the end face of the target end to be detected and the plane to be detected, and a second distance to be detected is arranged between the two holes to be detected in the second direction;
and when the first preset distance is equal to the first to-be-detected distance, if the second preset distance is equal to the second to-be-detected distance, the size of the to-be-detected piece is qualified.
In one embodiment, the detection structure includes an auxiliary component comprising:
an auxiliary arm provided on the first support arm;
the support piece is movably arranged on the auxiliary arm and can move in the second direction and the third direction, and the third direction is perpendicular to the first direction and the second direction;
when the first detection component is matched with the target to-be-detected end, the supporting piece can be abutted with the to-be-detected piece so as to support the to-be-detected piece.
In one embodiment, the auxiliary arm is provided with a supporting hole, and the supporting piece is movably arranged in the supporting hole;
wherein, on the plane perpendicular to the second direction, the projected length of the support hole is greater than the projected length of the support member, and the projected width of the support hole is equal to the projected width of the support member.
In one embodiment, the second support arm and the auxiliary arm are provided with a plurality of lightening holes.
In one embodiment, the target hole to be detected is disposed on a target plane of the member to be detected, and the second support arm is parallel to the target plane.
Compared with the prior art, the embodiment of the utility model has the advantages that the adaptation or non-adaptation of the second detection component and the target hole to be detected is used as the detection condition of whether the size of the piece to be detected is qualified or not when the first detection component is matched with the target end to be detected, so that the measurement time is shortened, and the measurement accuracy is improved. Compared with the existing three-coordinate measuring instrument, the three-coordinate measuring instrument collects the space coordinate system points of the measured element in a dotting mode, a coordinate system is established by utilizing a target to-be-detected end and a target to-be-detected hole on the to-be-detected piece, whether the size of the to-be-detected piece is qualified or not is calculated by utilizing software, the detection step is tedious and time-consuming, and the detection result is inaccurate easily due to the fact that the coordinate system is interfered by the size precision of the to-be-detected piece; and this application need not to establish the coordinate system, through setting up first detection component, second detection component and waiting to detect a looks adaptation to simulate actual assembly and detect, detection speed is fast and the precision is high.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of a detection structure according to an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of the detection structure provided in the embodiment of FIG. 1 at another view angle;
FIG. 3 is a schematic perspective view of the detection structure provided in the embodiment of FIG. 1 at another view angle;
FIG. 4 is a schematic perspective view of the first support arm provided in the embodiment of FIG. 1;
FIG. 5 is a front view of the detection structure provided by the embodiment of FIG. 1;
fig. 6 is a schematic structural diagram of a target hole to be detected and a target end to be detected on the member to be detected according to the embodiment in fig. 1;
fig. 7 is a schematic structural diagram of the detection structure provided in the embodiment of fig. 1 for detecting on a member to be detected.
Reference numerals:
10. a first detection assembly; 110. a first support arm; 1101. a first mounting surface; 1102. a second mounting surface; 1103. a first positioning member; 120. a detection disc; 130. a main positioning piece; 20. a second detection assembly; 210. a second support arm; 2101. a first side; 2102. a second side; 220. a detecting member; 230. a through hole; 30. an auxiliary component; 310. an auxiliary arm; 320. a support; 330. a support hole; 40. a piece to be detected; 410. a target to-be-detected end; 420. a target hole to be detected; 4201. a hole to be inspected; 430. a target plane; 50. and a lightening hole.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
The aftertreatment device is used for receiving and processing the internal combustion engineAnd (5) exhausting. The aftertreatment device includes a housing and a plurality of different components disposed within the housing to reduce the level of toxic emissions present in the exhaust gas. For example, the aftertreatment device includes an oxidation catalyst, a particulate filter, and a selective catalytic reduction system to reduce all NO X (NO and NO in a certain proportion) 2 ) The gas is decomposed into relatively harmless byproducts which are discharged from the post-treatment device.
The relevant components on the shell are assembled with the automobile to realize the installation of the aftertreatment device, so the dimensional accuracy of the relevant components on the shell is important for the installation of the aftertreatment device. For example, as shown in fig. 6, the housing is assembled with the automobile through the target pre-detection hole and the target pre-detection end.
However, the inventors found that there are at least the following problems in the prior art: the size of the housing of the aftertreatment device is usually detected by means of a three-dimensional measuring instrument, the measuring time is long and the detection accuracy is not sufficient.
In order to solve the above-mentioned problems, at least one embodiment of the present utility model provides a detection structure, which includes a first detection component 10 and a second detection component 20; the first detecting component 10 extends along a first direction, and the first detecting component 10 is configured to adapt to a target to-be-detected end 410 of the to-be-detected member 40; the second detecting component 20 is disposed on the first detecting component 10, the second detecting component 20 extends along a second direction, the second direction is perpendicular to the first direction, and the second detecting component 20 is adapted to a target hole 420 to be detected of the member 40 to be detected; when the first detecting component 10 is matched with the target to-be-detected end 410, if the second detecting component 20 is matched with the target to-be-detected hole 420 of the to-be-detected piece 40, the size of the to-be-detected piece 40 is qualified.
From the above, when the first detecting component 10 is matched with the target to-be-detected end 410, the second detecting component 20 is matched with the target to-be-detected hole 420 to serve as a detection condition for whether the size of the to-be-detected piece 40 is qualified, so that the measuring time is reduced, and the measuring accuracy is improved. Compared with the existing three-coordinate measuring instrument, the three-coordinate measuring instrument adopts a dotting mode to collect the space coordinate system points of the measured elements, a coordinate system is established by utilizing the target to-be-detected end 410 and the target to-be-detected hole 420 on the to-be-detected piece 40, whether the size of the to-be-detected piece 40 is qualified or not is calculated by utilizing software, the detection step is tedious and time-consuming, and the detection result is inaccurate due to the fact that the coordinate system is interfered by the size precision of the to-be-detected piece 40; and this application need not to establish the coordinate system, through setting up first detection subassembly 10, second detection subassembly 20 and waiting to detect 40 looks adaptations to simulate actual assembly and detect, detection speed is fast and the precision is high.
As shown in fig. 1 and 7, the detection structure includes a first detection component 10 and a second detection component 20; the first detecting assembly 10 extends along a first direction, and the first detecting assembly 10 is configured to adapt to a target to-be-detected end 410 of the to-be-detected member 40. By adapting the first inspection assembly 10 to the target inspection end 410, a positioning action is performed to position the inspection structure on the piece 40 to be inspected, ready for subsequent dimensional inspection.
As shown in fig. 1, the first direction is parallel to the X direction, the second direction is parallel to the Y direction, and the third direction is parallel to the Z direction. It should be further noted that, the member to be detected 40 is a housing of the post-processing device, the target end to be detected 410 is an inlet end of the housing, the target hole to be detected 420 is a hole for assembling the housing and the automobile, and the target end to be detected 410 and the target hole to be detected 420 realize assembling of the housing and the automobile.
The second detecting component 20 is disposed on the first detecting component 10, the second detecting component 20 extends along a second direction, the second direction is perpendicular to the first direction, and the second detecting component 20 is adapted to a target hole 420 to be detected of the member 40 to be detected; when the first detecting component 10 is matched with the target to-be-detected end 410, if the second detecting component 20 is matched with the target to-be-detected hole 420 of the to-be-detected piece 40, the size of the to-be-detected piece 40 is qualified.
It should be noted that, if the first detecting assembly 10 is adapted to the target to-be-detected end 410 and the second detecting assembly 20 is adapted to the target to-be-detected hole 420, the size of the to-be-detected member 40 is qualified, and the to-be-detected member 40 can be successfully assembled on the automobile; therefore, the detection structure detects the relative sizes of the target to-be-detected hole 420 and the target to-be-detected end 410 in the second direction, and the accuracy of the sizes determines whether the to-be-detected piece 40 can be successfully assembled on the automobile, and is the critical size for assembling the to-be-detected piece 40 and the automobile, so that the size is qualified, and the size of the to-be-detected piece 40 is qualified, namely the size of the to-be-detected piece 40 meets the assembly requirement with the automobile.
Compared with the existing three-coordinate measuring instrument, the coordinate system is established by adopting the target to-be-detected end 410 and the target to-be-detected hole 420 on the to-be-detected piece 40, and the coordinate system is influenced by the dimensional accuracy of the to-be-detected piece 40, so that the coordinate system establishment and the sampling points have unavoidable repeatability differences, the size detection of the to-be-detected piece 40 has fluctuation dead zones, and the measurement time of the size of the to-be-detected piece 40 is long and the measurement is inaccurate; the utility model does not need to establish a coordinate system, designs a given basic size through the to-be-detected member 40 to set the first detection assembly 10 and the second detection assembly 20, utilizes the simulation actual assembly of the first detection assembly 10, the second detection assembly 20 and the to-be-detected member 40 to detect, and when the first detection assembly 10, the second detection assembly 20 and the to-be-detected member 40 are successfully assembled, the size of the to-be-detected member 40 is qualified, otherwise, the size is unqualified, so that the size detection speed is high and the detection precision is high.
As shown in fig. 1, 2, and 7, in some embodiments, the first detection assembly includes a first support arm 110 and a detection disk 120; the first support arm 110 extends in a first direction; the detection plate 120 is disposed on the first support arm 110, and the detection plate 120 can be adapted to the target to-be-detected end 410.
It should be noted that, as shown in fig. 4, the first supporting arm 110 is connected with the detecting disc 120 through a bolt, at least one first positioning member 1103 is provided on the first supporting arm 110, at least one first positioning hole is provided on the detecting disc 120, the at least one first positioning hole corresponds to the at least one first positioning member 1103 one by one and is matched with each other, and the first positioning member 1103 is inserted into the corresponding first positioning member 1103, so as to ensure the accuracy of the installation position of the detecting disc 120, and meanwhile, the installation speed of the first supporting arm 110 and the detecting disc 120 is improved.
It should be further noted that the detection disc 120 may be inserted into the target to-be-detected end 410, and an outer contour of the detection disc 120 may be adapted to an inner contour of the target to-be-detected end 410, so as to implement the simulated assembly type detection of the first detection assembly 10 and the to-be-detected member 40.
It should be further noted that, the detecting disk 120 is provided with a plurality of main positioning members 130, the main positioning members 130 are arranged around the detecting disk 120 by Xiang Dengjiao degrees, the circumferential surface of the detecting disk 120 is provided with a plurality of second positioning holes, the plurality of second positioning holes are in one-to-one correspondence with the plurality of main positioning members 130, and the main positioning members 130 are inserted into the corresponding second positioning holes.
As shown in fig. 1 and 6, in some embodiments, the second detection assembly 20 includes a second support arm 210 and two detection pieces 220, the second support arm 210 is disposed on the first support arm 110, and the second support arm 210 extends along a second direction; the two detecting pieces 220 are arranged at intervals in the second direction, the detecting pieces 220 are movably arranged on the second supporting arm 210, and the detecting pieces 220 can move along the first direction and the axial direction of the detecting hole;
the target hole 420 to be detected includes two holes 4201 to be detected, the two holes 4201 to be detected correspond to the two detecting pieces 220 one by one, and the detecting pieces 220 are inserted into the corresponding holes 4201 to be detected.
It should be noted that, as shown in fig. 2 and 3, the second support arm 210 is connected to the first support arm 110 by a bolt, and the second support arm 210 has a first side 2101 and a second side 2102 opposite to each other; the first support arm 110 is provided with a notch and a mounting groove, the notch is provided with a first mounting surface 1101 parallel to the second support arm 210, the mounting groove is internally provided with a second mounting surface 1102 parallel to the second support arm 210, the second support arm 210 is arranged in the first mounting groove, the first side 2101 of the second support arm 210 is flush with the first mounting surface 1101, and the second side 2102 of the second support arm 210 is abutted against the second mounting surface 1102, so that the accuracy of the mounting position of the second support arm 210 is ensured.
It should be further noted that, when the detecting element 220 may be inserted into the corresponding hole 4201 to be detected, that is, the second detecting element 20 may be adapted to the target hole 420 to be detected of the detecting element 40, so as to implement the simulated assembly type detection of the second detecting element 20 and the detecting element 40.
As shown in fig. 1, in some embodiments, two through holes 230 are provided on the second supporting arm 210, the two through holes 230 are in one-to-one correspondence with the two detecting members 220, and the detecting members 220 are movably disposed in the corresponding through holes 230; wherein, on a plane perpendicular to the axis of the through hole 230, the projected length of the through hole 230 is greater than the projected length of the detecting member 220, and the projected width of the through hole 230 is equal to the projected width of the detecting member 220.
As shown in fig. 3, on a plane perpendicular to the axis of the through hole 230, the projected length of the through hole 230 is L1, and the projected width of the through hole 230 is W1; the detecting element 220 is a cylinder, and the projected length of the detecting element 220 and the projected width of the detecting element 220 are both the diameter D1, so L1 > D1, w1=d1.
It should be further noted that, the inner wall of the through hole 230 may be provided with a copper sleeve, so that the abrasion of the parts is reduced by the copper sleeve, and the copper sleeve is directly replaced after the abrasion reaches a certain degree, thereby saving the cost more.
It should be further noted that, the second direction is a detection dimension direction of the to-be-detected member 40, and the other directions are non-detection dimension directions of the to-be-detected member 40, and by setting the projection length of the through hole 230 to be longer than the projection length of the detection member 220, a movement allowance is provided for the detection member 220 in the non-detection dimension directions, so that interference in the non-detection dimension directions is prevented, and the detection member 220 cannot be used.
In some embodiments, the two through holes 230 are symmetrical about a detection plane, the detection plane is parallel to the plane of the detection disc 120, and a first predetermined distance is provided between the plane of the detection disc 120 and the detection plane; the two through holes 230 have a second preset distance in the second direction; the two holes 4201 to be detected are symmetrical with respect to a plane to be detected, the plane to be detected is parallel to the end face of the target to be detected end 410, a first distance to be detected is provided between the end face of the target to be detected end 410 and the plane to be detected, and the two holes 4201 to be detected have a second distance to be detected in the second direction; when the first preset distance is equal to the first to-be-detected distance, if the second preset distance is equal to the second to-be-detected distance, the size of the to-be-detected piece 40 is qualified.
It should be noted that, as shown in fig. 5 and 6, the detection plane is an a plane, the plane to be detected is a B plane, the first preset distance is L2, the second preset distance is L3, the first distance to be detected is L4, the second distance to be detected is L5, and when l2=l4, l3=l5, the size of the part to be detected 40 is qualified.
It should be further noted that, the detection structure detects that the first distance to be detected is L4 and the second distance to be detected is L5, and the accuracy of the first distance to be detected is L4 and the accuracy of the second distance to be detected is L5, so that whether the part to be detected 40 can be successfully assembled on the automobile is a critical dimension of the part to be detected 40 assembled on the automobile, so that the dimension is qualified, and the dimension of the part to be detected 40 is qualified, i.e. the dimension of the part to be detected 40 meets the requirement of assembling with the automobile.
As shown in fig. 1, in some embodiments, the detection structure includes an auxiliary assembly 30, the auxiliary assembly 30 including an auxiliary arm 310 and a support 320; the auxiliary arm 310 is disposed on the first support arm 110; the supporting element 320 is movably disposed on the auxiliary arm 310, and the supporting element 320 can move in a second direction and a third direction, wherein the third direction is perpendicular to the first direction and the second direction; when the first detecting assembly 10 is matched with the target to-be-detected end 410, the supporting member 320 may abut against the to-be-detected member 40 to support the to-be-detected member 40.
It should be noted that, the auxiliary arm 310 is connected to the first supporting arm 110 through a bolt, when the first detecting component 10 is matched with the target to-be-detected end 410, the supporting member 320 abuts against the to-be-detected member 40, so as to locate the detecting structure, and meanwhile, the auxiliary component 30 and the first detecting component 10 cooperate to limit the detecting structure on the to-be-detected member 40, so as to provide a structural foundation for the detection of the second detecting component 20.
In some embodiments, the auxiliary arm 310 is provided with a support hole 330, and the support 320 is movably disposed in the support hole 330; wherein, on a plane perpendicular to the second direction, the projected length of the support hole 330 is greater than the projected length of the support 320, and the projected width of the support hole 330 is equal to the projected width of the support 320.
By providing the length of the projection of the support hole 330 to be longer than the length of the projection of the support 320, a margin of movement is provided for the support 320 in the non-detection dimension direction, preventing interference from occurring in the non-detection dimension direction, resulting in the support 320 being unusable.
In some embodiments, a plurality of lightening holes 50 are provided on each of the second support arm 210 and the auxiliary arm 310. The weight of the detection structure is reduced by arranging the weight reducing holes 50, so that the detection structure is convenient to carry and use.
As shown in fig. 7, in some embodiments, the target hole 420 to be detected is disposed on the target plane 430 of the member 40 to be detected, and the second support arm 210 is parallel to the target plane 430. By defining the second support arm 210 to be parallel to the target plane 430, the accuracy of the measurement results is further improved.
As shown in fig. 3, the target plane 430 has a predetermined angle with the Z direction, so the second support arm 210 has a predetermined angle with the Z direction, and the predetermined angle is not equal to 90 °.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (9)
1. A detection structure, comprising:
the first detection component extends along a first direction and is used for being matched with a target to-be-detected end of the to-be-detected piece;
the second detection component is arranged on the first detection component, extends along a second direction, is perpendicular to the first direction and is used for being matched with a target hole to be detected of the piece to be detected;
when the first detection component is matched with the target to-be-detected end, if the second detection component is matched with the target to-be-detected hole of the to-be-detected piece, the size of the to-be-detected piece is qualified.
2. The detection structure of claim 1, wherein the first detection assembly comprises:
a first support arm extending in the first direction;
the detection disc is arranged on the first supporting arm and can be matched with the target end to be detected.
3. The detection structure according to claim 2, wherein the second detection assembly includes a second support arm provided on the first support arm, and two detection pieces, the second support arm extending in the second direction;
the two detection pieces are arranged at intervals in the second direction, the detection pieces are movably arranged on the second supporting arm, and the detection pieces can move along the first direction and the axial direction of the detection hole;
the target hole to be detected comprises two holes to be detected, the two holes to be detected correspond to the two detecting pieces one by one, and the detecting pieces are used for being inserted into the corresponding holes to be detected.
4. The detecting structure according to claim 3, wherein two through holes are formed in the second supporting arm, the two through holes correspond to the two detecting pieces one by one, and the detecting pieces are movably arranged in the corresponding through holes;
wherein, on the plane perpendicular to the axis of the through hole, the projected length of the through hole is greater than the projected length of the detecting member, and the projected width of the through hole is equal to the projected width of the detecting member.
5. The detecting structure according to claim 4, wherein two of the through holes are symmetrical with respect to a detecting plane, the detecting plane being parallel to a plane in which the detecting disk is located, the detecting disk being located at a first predetermined distance from the detecting plane; the two through holes are provided with a second preset distance in the second direction;
the two holes to be detected are symmetrical with respect to a plane to be detected, the plane to be detected is parallel to the end face of the target end to be detected, a first distance to be detected is arranged between the end face of the target end to be detected and the plane to be detected, and a second distance to be detected is arranged between the two holes to be detected in the second direction;
and when the first preset distance is equal to the first to-be-detected distance, if the second preset distance is equal to the second to-be-detected distance, the size of the to-be-detected piece is qualified.
6. A detection structure according to claim 3, wherein the detection structure comprises an auxiliary component comprising:
an auxiliary arm provided on the first support arm;
the support piece is movably arranged on the auxiliary arm and can move in the second direction and the third direction, and the third direction is perpendicular to the first direction and the second direction;
when the first detection component is matched with the target to-be-detected end, the supporting piece can be abutted with the to-be-detected piece so as to support the to-be-detected piece.
7. The detecting structure according to claim 6, wherein the auxiliary arm is provided with a supporting hole, and the supporting member is movably disposed in the supporting hole;
wherein, on the plane perpendicular to the second direction, the projected length of the support hole is greater than the projected length of the support member, and the projected width of the support hole is equal to the projected width of the support member.
8. The detecting structure according to claim 6, wherein a plurality of weight-reducing holes are provided in each of the second support arm and the auxiliary arm.
9. A test structure according to claim 3, wherein the target test hole is disposed on a target plane of the test piece, and the second support arm is parallel to the target plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321550758.3U CN220708244U (en) | 2023-06-16 | 2023-06-16 | Detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321550758.3U CN220708244U (en) | 2023-06-16 | 2023-06-16 | Detection structure |
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| Publication Number | Publication Date |
|---|---|
| CN220708244U true CN220708244U (en) | 2024-04-02 |
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Family Applications (1)
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| CN202321550758.3U Active CN220708244U (en) | 2023-06-16 | 2023-06-16 | Detection structure |
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| CN (1) | CN220708244U (en) |
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2023
- 2023-06-16 CN CN202321550758.3U patent/CN220708244U/en active Active
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