CN112395779A - Rigid connection creating method and device, electronic equipment and storage medium - Google Patents
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Abstract
The invention provides a rigid connection establishing method, a rigid connection establishing device, electronic equipment and a storage medium, which are applied to CAE analysis, wherein the method comprises the steps of determining at least one part to be subjected to rigid connection establishment; determining at least one feature cell on each part; determining at least one target node corresponding to each feature unit; and establishing rigid connection with at least one corresponding target node according to each characteristic unit. According to the invention, each part and the characteristic units on each part can be automatically marked to create the rigid connection, so that the labor cost is effectively reduced, the rigid connection creating efficiency is improved, and the creating effect is improved.
Description
Technical Field
The present invention relates to the field of vehicle technologies, and in particular, to a rigid connection creating method and apparatus, an electronic device, and a storage medium.
Background
The connection relation of the bolts and the nuts of the vehicle has great influence on the stress distribution of the working conditions of bending, braking, torsion and the like of the whole vehicle, and the reasonable distribution of the connection relation is particularly important for the actual vehicle. When Computer Aided Engineering (CAE) finite element analysis modeling is performed, a unit of rigid connection is generally adopted to simulate the lapping relation of actual bolts and nuts, and when the rigid connection is established, not only the actual vehicle needs to be attached, but also a plurality of assembling relations with different sizes and a plurality of lapping needs to be realized, so that the lapping relation of the model is ensured to be consistent with the actual lapping relation.
In the related technology, generally, the angle of the CAE model is manually adjusted, the hole peripheries of all bolts on a part are carefully identified, rigid connection is established by manually selecting a circle of nodes around the hole periphery, the workload is high, the mode of establishing rigid connection manually is complicated, and the rigid connection is easy to miss or make mistakes, so that the establishing effect is poor.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the present invention is directed to a rigid connection creating method, an apparatus, an electronic device, and a storage medium, which can automatically mark each part and feature units on each part to create a rigid connection, thereby effectively reducing labor cost, improving rigid connection creating efficiency, and improving creating effect.
In order to achieve the above object, a rigid connection creating method provided in an embodiment of the first aspect of the present invention is applied to CAE analysis, and includes: determining at least one part for which a rigid connection is to be established; determining at least one feature cell on each of the parts; determining at least one target node corresponding to each of the feature cells; and establishing rigid connection with the corresponding at least one target node according to each characteristic unit.
The rigid connection establishing method provided by the embodiment of the first aspect of the invention is applied to CAE analysis, and can automatically mark each part and the characteristic units on each part to establish rigid connection by determining at least one part to be established with rigid connection, determining at least one characteristic unit on each part, determining at least one target node corresponding to each characteristic unit and establishing rigid connection with the corresponding at least one target node according to each characteristic unit, thereby effectively reducing labor cost, improving rigid connection establishing efficiency and improving establishing effect.
In order to achieve the above object, a rigid connection creating apparatus according to an embodiment of the second aspect of the present invention is applied to CAE analysis, and includes: the device comprises a first determination module, a second determination module and a third determination module, wherein the first determination module is used for determining at least one part to be rigidly connected; a second determination module for determining at least one feature cell on each of the parts; a third determining module, configured to determine at least one target node corresponding to each of the feature units; and the connection module is used for establishing rigid connection with the corresponding at least one target node according to each characteristic unit.
The rigid connection creating device provided by the embodiment of the second aspect of the invention is applied to CAE analysis, and can automatically mark each part and the characteristic units on each part to create rigid connection by determining at least one part to be rigidly connected, determining at least one characteristic unit on each part, determining at least one target node corresponding to each characteristic unit and creating rigid connection with the corresponding at least one target node according to each characteristic unit, thereby effectively reducing labor cost, improving rigid connection creating efficiency and improving creating effect.
In order to achieve the above object, an electronic device according to a third embodiment of the present invention includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the rigid connection creating method as described above when executing the computer program.
According to the electronic device provided by the embodiment of the third aspect of the invention, by determining at least one part to be rigidly connected, determining at least one feature unit on each part, determining at least one target node corresponding to each feature unit, and establishing rigid connection with the corresponding at least one target node according to each feature unit, each part and the feature units on each part can be automatically marked to establish rigid connection, so that the labor cost is effectively reduced, the rigid connection establishment efficiency is improved, and the establishment effect is improved.
To achieve the above object, a computer-readable storage medium according to a fourth aspect of the present invention is a computer program stored thereon, wherein the computer program is configured to, when executed by a processor, implement: the embodiment of the first aspect of the invention provides a rigid connection creating method.
According to the computer-readable storage medium provided by the embodiment of the fourth aspect of the invention, by determining at least one part to be rigidly connected, determining at least one feature unit on each part, determining at least one target node corresponding to each feature unit, and establishing rigid connection with the corresponding at least one target node according to each feature unit, each part and the feature units on each part can be automatically marked to establish rigid connection, so that the labor cost is effectively reduced, the rigid connection establishment efficiency is improved, and the establishment effect is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flow chart of a rigid connection establishment method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a rigid connection establishment method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rigid connection establishing apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a rigid connection establishing apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In order to solve the technical problems of complicated way of manually creating rigid connection, easy missing or error and poor creating effect in the related art, the embodiment of the invention provides a rigid connection creating method, which can automatically mark each part and the characteristic units on each part to create rigid connection by determining at least one part to be created with rigid connection, determining at least one characteristic unit on each part and determining at least one target node corresponding to each characteristic unit and then creating rigid connection with the corresponding at least one target node according to each characteristic unit, thereby effectively reducing labor cost, improving rigid connection creating efficiency and improving creating effect.
Fig. 1 is a flowchart illustrating a rigid connection establishment method according to an embodiment of the present invention.
The present embodiment is exemplified in a case where the rigid connection establishment method is configured as a rigid connection establishment apparatus.
The rigid connection establishing method in this embodiment may be configured in a rigid connection establishing apparatus, and the rigid connection establishing apparatus may be disposed in a server, or may also be disposed in a mobile device, which is not limited in this embodiment of the present invention.
The rigid connection establishing device in the embodiment is applied to CAE analysis, and specifically, may be applied to HyperMesh, which is an application program before CAE analysis.
Referring to fig. 1, the method includes:
s101: at least one part for which a rigid connection is to be established is determined.
In a specific execution process, when rigid connection needs to be established, an application program Hypermesh can be started, a CAE model needing to be established can be introduced, the CAE model can be used for analyzing stress distribution of working conditions of bending, braking, torsion and the like of the whole vehicle, and then corresponding prompt information is generated to prompt a user to select at least one part needing to be established with rigid connection, wherein the part can be a bolt, for example.
Then, in response to a selection instruction of a user, an RB2 component is generated, and at least one part selected by the user to create the rigid connection is associated with the RB2 component so as to support the subsequent storage of the created rigid connection in the RB2 component.
When at least one part to be rigidly connected is determined, a preset application programming interface can be called to execute a corresponding script file so as to automatically execute the subsequent steps.
S102: at least one feature cell on each part is determined.
The feature unit is a unit having a specific feature on the part to which the feature unit belongs, and if the part is a bolt, the feature unit may be, for example, a round hole on the bolt, which is not limited.
It can be understood that, due to the structural diversity of the part, the part may include one or more feature units, and in the embodiment of the present invention, each feature unit on each part is automatically determined, which can effectively ensure the completeness of the created rigid connection, and achieve the comprehensiveness of the creation.
S103: at least one target node corresponding to each feature cell is determined.
Wherein the target nodes are nodes around the feature cells.
As an example, when the feature cell is a round hole, the target node is a node around the round hole.
S104: and establishing rigid connection with at least one corresponding target node according to each characteristic unit.
In the specific execution process, a preset application programming interface can be called, a corresponding script file is executed, all target nodes corresponding to all the characteristic units are automatically determined, and then rigid connection is established with at least one corresponding target node according to all the characteristic units.
The unit to be rigidly connected is an RB2 unit, or alternatively, an RB3 unit.
In the embodiment, by determining at least one part to be rigidly connected, determining at least one feature unit on each part, determining at least one target node corresponding to each feature unit, and then establishing rigid connection with the corresponding at least one target node according to each feature unit, each part and the feature units on each part can be automatically marked to establish rigid connection, so that labor cost is effectively reduced, rigid connection establishment efficiency is improved, and establishment effect is improved.
Fig. 2 is a flowchart illustrating a rigid connection establishment method according to an embodiment of the present invention.
Referring to fig. 2, the method includes:
s201: at least one part for which a rigid connection is to be established is determined, and a first number of parts is determined.
In a specific execution process, when rigid connection needs to be established, an application program Hypermesh can be started, a CAE model needing to be established can be introduced, the CAE model can be used for analyzing stress distribution of working conditions of bending, braking, torsion and the like of the whole vehicle, and then corresponding prompt information is generated to prompt a user to select at least one part needing to be established with rigid connection, wherein the part can be a bolt, for example.
Then, in response to a selection instruction of a user, an RB2 component is generated, and at least one part selected by the user to create the rigid connection is associated with the RB2 component so as to support the subsequent storage of the created rigid connection in the RB2 component.
When at least one part for establishing the rigid connection is determined, a preset application programming interface can be called, a corresponding script file is executed, so that the RB2 component is automatically generated, and at least one part selected by a user to establish the rigid connection is associated with the RB2 component.
In addition, in the embodiment of the present invention, when at least one part to be rigidly connected is determined, a first number of parts may be determined, where the number of parts to be rigidly connected may be referred to as the first number.
S202: a first number of parts are traversed, and at least one feature cell on each part is determined in sequence.
In a specific implementation process, when the first number of parts is determined, at least one feature unit on each part may be sequentially determined, for example, when the first number of parts is determined, the parts may be numbered, and then the numbers of the parts are sequentially traversed, so as to sequentially determine the feature units on the parts.
S203: a second number of feature cells on each part is determined.
S204: and traversing a second number of feature units, and sequentially determining at least one target node corresponding to each feature unit.
In the embodiment of the invention, in order to improve the efficiency of establishing the rigid connection, avoid repeated traversal and improve the efficiency of executing the automation program, the corresponding rigid connection of the characteristic unit can be directly established when the characteristic unit on the current part is determined each time.
The number of features on the part may also be counted while establishing a corresponding rigid connection directly for each feature, and the resulting number may be referred to as a second number.
S205: the center point position of each feature cell is determined, and a temporary master node is created at the center point position.
S206: establishing a rigid connection based on the temporary master node and the at least one target node.
In the embodiment of the present invention, when establishing a corresponding rigid connection of a feature unit, at least one target node corresponding to each feature unit may be determined, a central point position of each feature unit may be determined, a temporary master node may be established at the central point position, and a rigid connection may be established according to the temporary master node and the at least one target node, which may be implemented by calling a preset application programming interface, thereby implementing automation of the entire establishment process.
S207: after traversing the first number of parts in sequence is completed, all temporary master nodes created are deleted.
After the parts of the first number are traversed in sequence, all the created temporary main nodes are deleted, so that excessive calculation and storage resources are avoided being occupied, and the implementation of the method is more reasonable.
The rigid connection establishing method in the present invention is exemplified by taking a part as a bolt and taking a feature unit as a circular hole, which is not limited.
1. Importing a model needing to establish a bolt into CAE analysis pretreatment software Hypermesh;
2. prompting a user to select a bolt needing rigid connection;
3. creating a Component named RB2 to store the subsequently generated RB2 cells;
4. calculating the number of the parts, and assigning to a variable L1;
5. when the loop variable i is 1, the program automatically marks the first part;
6. marking all round holes on the first part, calculating the number of the round holes, and assigning the number to a variable L2;
7. when a cyclic variable j is 1, marking a first round hole on the first part, creating a temporary main node at the center of the first round hole, and creating an RB2 unit by taking the temporary main node and the round hole peripheral node as target nodes;
8. when the cyclic variable j is 2, marking a second round hole on the first part, creating a temporary main node at the center of the circle, and creating an RB2 unit by taking the temporary main node and the round hole peripheral node as target nodes;
9. when a cyclic variable j is L2, marking the last round hole on the first part, creating a temporary main node at the center of the round hole, and creating an RB2 unit by taking the temporary main node and the round hole peripheral node as target nodes;
10. when the cyclic variable i is 2, marking the second part;
11. marking all the circular holes on the second part, calculating the number of the circular holes, and assigning the number to a variable L2;
12. when a cyclic variable j is 1, marking a first round hole on the second part, creating a temporary main node at the center of the round hole, and creating an RB2 unit by taking the temporary main node and the round hole peripheral node as target nodes;
13. when the cyclic variable j is 2, marking a second round hole on the second part, creating a temporary main node at the center of the second round hole, and creating an RB2 unit by taking the temporary main node and the round hole peripheral node as target nodes;
14. when a cyclic variable j is L2, marking the last round hole on the second part, creating a temporary main node at the center of the round hole, and creating an RB2 unit by taking the temporary main node and the round hole peripheral node as target nodes;
15. and so on, when the loop variable i is equal to L1, marking the last part;
16. marking all round holes on the last part, calculating the number of the round holes, and assigning the number to a variable L2;
17. when a cyclic variable j is 1, marking a first round hole on the last part, creating a temporary main node at the center of the round hole, and creating an RB2 unit by taking the temporary main node and the round hole peripheral node as target nodes;
18. when the cyclic variable j is 2, marking a second round hole on the last part, creating a temporary main node at the center of the circle, and creating an RB2 unit by taking the temporary main node and the round hole peripheral node as target nodes;
19. when a cyclic variable j is L2, marking the last round hole on the last part, creating a temporary main node at the center of the round hole, and creating an RB2 unit by taking the temporary main node and the round hole peripheral node as target nodes;
20. cleaning all temporary main nodes generated in the running process;
21. the pop-up window prompts the user that the rigid connection of the bolt has been completed.
The embodiment provides an optimization method for establishing rigid connection, which greatly improves the working efficiency of a user, avoids errors caused by manual inspection, quickly realizes the establishment of single-layer rigid connection of a plurality of parts and a plurality of round holes by identifying and marking all round holes in a CAE model, replaces the complicated operation of manually searching the round holes and selecting points to establish the rigid connection, effectively improves the analysis processing speed of the CAE model by the user, improves the efficiency of CAE finite element analysis, and shortens the project development period. After the parts of the first number are traversed in sequence, all the created temporary main nodes are deleted, so that excessive calculation and storage resources are avoided being occupied, and the implementation of the method is more reasonable.
Fig. 3 is a schematic structural diagram of a rigid connection establishing apparatus according to an embodiment of the present invention.
Referring to fig. 3, the apparatus 300 includes:
a first determination module 301 for determining at least one part for which a rigid connection is to be established;
a second determination module 302 for determining at least one feature cell on each part;
a third determining module 303, configured to determine at least one target node corresponding to each feature unit;
and a connection module 304, configured to establish a rigid connection with the corresponding at least one target node according to each feature unit.
Optionally, in some embodiments, the connection module 304 is specifically configured to:
determining the central point position of each feature unit, and creating a temporary main node at the central point position;
establishing a rigid connection based on the temporary master node and the at least one target node.
Optionally, in some embodiments, the first determining module 301 is specifically configured to:
determining at least one part to be rigidly connected and determining a first number of parts;
the second determining module 302 is specifically configured to:
a first number of parts are traversed, and at least one feature cell on each part is determined in sequence.
Optionally, in some embodiments, the second determining module 302 is further configured to:
determining a second number of feature cells on each part;
a third determining module 303, further configured to:
and traversing a second number of feature units, and sequentially determining at least one target node corresponding to each feature unit.
Optionally, in some embodiments, referring to fig. 4, fig. 4 is a schematic structural diagram of a rigid connection establishing apparatus according to an embodiment of the present invention, and the apparatus 300 further includes:
a delete module 305 configured to delete all temporary master nodes created after the traversal of the first number of parts in sequence is completed.
Optionally, in some embodiments, the feature cells are circular holes.
Optionally, in some embodiments, the unit of the established rigid connection is an RB2 unit.
It should be noted that the foregoing explanations of the rigid connection creating method in the embodiments of fig. 1-2 also apply to the rigid connection creating apparatus 300 in this embodiment, and the implementation principles thereof are similar and are not described herein again.
In the embodiment, by determining at least one part to be rigidly connected, determining at least one feature unit on each part, determining at least one target node corresponding to each feature unit, and then establishing rigid connection with the corresponding at least one target node according to each feature unit, each part and the feature units on each part can be automatically marked to establish rigid connection, so that labor cost is effectively reduced, rigid connection establishment efficiency is improved, and establishment effect is improved.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
The electronic device 50 includes: a memory 501, a processor 502, and a computer program stored on the memory 501 and executable on the processor 502. The processor 502, when executing the program, implements the rigid connection creation method in the above-described embodiments.
In a possible implementation, the electronic device further comprises a communication interface 503 for communication between the memory 501 and the processor 502.
In the embodiment, by determining at least one part to be rigidly connected, determining at least one feature unit on each part, determining at least one target node corresponding to each feature unit, and then establishing rigid connection with the corresponding at least one target node according to each feature unit, each part and the feature units on each part can be automatically marked to establish rigid connection, so that labor cost is effectively reduced, rigid connection establishment efficiency is improved, and establishment effect is improved.
The present embodiment also provides a computer-readable storage medium having stored thereon a computer program, characterized in that the program realizes the rigid connection creation method as above when executed by a processor.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (16)
1. A rigid connection establishment method is applied to CAE analysis, and comprises the following steps:
determining at least one part for which a rigid connection is to be established;
determining at least one feature cell on each of the parts;
determining at least one target node corresponding to each of the feature cells;
and establishing rigid connection with the corresponding at least one target node according to each characteristic unit.
2. The method according to claim 1, wherein said establishing a rigid connection with said corresponding at least one target node according to each of said feature units comprises:
determining the central point position of each feature unit, and creating a temporary main node at the central point position;
establishing the rigid connection according to the temporary master node and the at least one target node.
3. A rigid connection establishing method as claimed in claim 1, wherein said determining at least one part for which a rigid connection is to be established comprises:
determining at least one part for which a rigid connection is to be established, and determining a first number of said parts;
said determining at least one feature cell on each of said parts comprising:
and traversing the first number of parts, and sequentially determining at least one characteristic unit on each part.
4. The method of establishing a rigid connection of claim 3, wherein traversing the first number of parts to sequentially determine at least one feature cell on each of the parts further comprises:
determining a second number of feature cells on each of the parts;
the determining at least one target node corresponding to each of the feature cells includes:
and traversing the second quantity of feature units, and sequentially determining at least one target node corresponding to each feature unit.
5. The rigid connection establishment method of claim 4, wherein all temporary master nodes created are deleted after traversing the first number of parts in sequence is completed.
6. A rigid connection establishing method according to any one of claims 1-5, characterised in that the feature element is a circular hole.
7. A rigid connection establishing method according to any one of claims 1 to 5, characterized in that the element of establishing the rigid connection is an RB2 element.
8. A rigid connection establishment apparatus for use in CAE analysis, the apparatus comprising:
the device comprises a first determination module, a second determination module and a third determination module, wherein the first determination module is used for determining at least one part to be rigidly connected;
a second determination module for determining at least one feature cell on each of the parts;
a third determining module, configured to determine at least one target node corresponding to each of the feature units;
and the connection module is used for establishing rigid connection with the corresponding at least one target node according to each characteristic unit.
9. The rigid connection establishing apparatus according to claim 8, wherein the connection module is specifically configured to:
determining the central point position of each feature unit, and creating a temporary main node at the central point position;
establishing the rigid connection according to the temporary master node and the at least one target node.
10. The rigid connection establishment apparatus of claim 8, wherein the first determination module is specifically configured to:
determining at least one part for which a rigid connection is to be established, and determining a first number of said parts;
the second determining module is specifically configured to:
and traversing the first number of parts, and sequentially determining at least one characteristic unit on each part.
11. The rigid connection establishment apparatus of claim 10, wherein the second determination module is further configured to:
determining a second number of feature cells on each of the parts;
the third determining module is further configured to:
and traversing the second quantity of feature units, and sequentially determining at least one target node corresponding to each feature unit.
12. A rigid connection establishing apparatus according to claim 11, characterized in that said apparatus further comprises:
and the deleting module is used for deleting all the created temporary main nodes after the parts with the first number are traversed in sequence.
13. A rigid connection establishing device according to any one of claims 8-12, characterised in that said feature element is a circular hole.
14. A rigid connection establishing apparatus as claimed in any one of claims 8 to 12, characterized in that the unit of establishing a rigid connection is the unit RB 2.
15. An electronic device, comprising:
memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor implements the rigid connection creation method according to any of claims 1 to 7 when executing the program.
16. A computer-readable storage medium, on which a computer program is stored, characterized in that the program is executed by a processor to implement the rigid connection creation method according to any one of claims 1 to 7.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113127982A (en) * | 2021-05-14 | 2021-07-16 | 宝能(广州)汽车研究院有限公司 | Method and device for verifying rigidity of mounting hole, electronic equipment and storage medium |
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