CN115452355A - Spring device stroke force value detection clamp and use method thereof - Google Patents
Spring device stroke force value detection clamp and use method thereof Download PDFInfo
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- CN115452355A CN115452355A CN202211244457.8A CN202211244457A CN115452355A CN 115452355 A CN115452355 A CN 115452355A CN 202211244457 A CN202211244457 A CN 202211244457A CN 115452355 A CN115452355 A CN 115452355A
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- spring device
- block
- force value
- support
- connecting shaft
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention provides a spring device stroke force value detection clamp and a use method thereof, belonging to the technical field of stroke-force value measurement of spring devices. Two holes for core positioning are found out in the assembly, the design is carried out by fixing the initial force value position by the sliding block, the stroke range value is accurately measured by utilizing the measuring block and the dial indicator, the whole measuring process of the spring device is accurately carried out on the fixture by combining the existing tension meter, and the force value of the spring device at any position in the stroke can be measured. The detection clamp disclosed by the invention realizes the force value measurement at any position in the stroke range, so that the detection precision is greatly improved, the product quality is effectively ensured, the processing efficiency is improved, and the production cycle of the assembly is ensured.
Description
Technical Field
The invention belongs to the technical field of stroke-force value measurement of spring devices, and relates to a detection clamp for measuring a stroke-force value of a spring device, which can ensure the machining stability and the dimensional precision and improve the machining efficiency.
Background
The spring device (as shown in figure 3) is an important component for the landing gear uplock to complete the locking and unlocking action, and the accuracy of the stroke-force value directly influences whether the uplock can complete the locking and unlocking action under the working pressure. However, in actual processing, a spring device is required to stretch within a certain stroke, and a drawing strictly requires a tension value required to be used in the stretching process. But as the device is an assembly, the clamping and the measurement are inconvenient.
At present, a vice is used for clamping a shaft sleeved in a component hole, a tensiometer is used for manually stretching, and one person needs to use a vernier caliper for matching to ensure that the stretching is measured in a required stroke, and the method has the following defects: 1. the method has the defects of lack of reliable positioning, large force required by artificial stretching, large danger coefficient and incapability of accurately measuring the force value of a certain fixed stroke; 2. the stroke is measured by using a vernier caliper in the stretching process, the measurement error is very large, and the reliability is not strong; 3. two persons are needed for measurement in a matching mode, the preparation time is long, and the processing efficiency is influenced. The above phenomena directly cause the phenomena of delayed production cycle, reduced product quality and even ultra-poor scrapping of components in batch production, and a better solution is needed.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention provides a detection fixture for measuring stroke-force values of a spring device, which can be used for measuring spring-like components with similar structures. The fixture has the outstanding characteristics that two holes for core positioning are found out in the assembly, the initial force value position is fixed by the sliding block, the stroke range value is accurately measured by utilizing the measuring block and the dial indicator, the whole measuring process of the spring device is accurately carried out on the fixture by combining the existing tension meter, and the force value of the spring device at any position in the stroke can be measured. The fixture ensures accurate positioning and clamping, has stable structure, can accurately measure the force value in the stroke range through the tension meter, does not need manual pulling, saves time and labor, has stable and reliable measuring results, can improve the processing efficiency and ensures the production period.
The technical scheme adopted by the invention is as follows:
a spring device stroke force value detection clamp comprises a support 1, a positioning block 2, a reference bolt 3, a sliding block 4, a part connecting shaft 5, a dial indicator support 6, a base 7, a guide pillar 8, a limiting block 9, a tension meter connecting shaft 10, a screw rod 11, a measuring block 12, a positioning bolt 13, a screw 14, a cylindrical pin 15, a straight handle 16, a tension meter 17 and a dial indicator 18.
The positioning block 2 is fixed on the support 1 through a screw 14 and a cylindrical pin 15; and during detection, the positioning bolt 13 penetrates through the positioning holes of the positioning block 2 and the spring device 19 to position the spring device assembly.
A notch is formed in the side face of one end of the part connecting shaft 5 and is used for being embedded into a lug plate of the spring device 19; the other end is provided with a hook for connecting a tension meter 17.
The reference bolt 3 is positioned at the inner side of the positioning block 2, and the lower end of the reference bolt passes through the notch end of the part connecting shaft 5 and then is inserted into the large key groove of the support 1. The dial indicator support 6 is fixed on the support 1 through a screw 14, and the dial indicator support 6 is provided with a dial indicator 18. The upper end of the reference pin 3 is inserted into the measuring block 12, and the measuring block 12 is centered at the same height as the measuring head of the dial indicator, and the position of the measuring block 12 is fixed by a screw 14.
Said slider 4 is located outside the reference bolt 3, is mounted in a sliding slot of the support 1 and is fixed by means of a screw 14 through a small key slot of the support 1 for locking the pulled position of the spring means 19.
The base 7 is mounted on the support 1 through a screw 14, a guide post 8 is mounted in a hole in the side face of the base, a guide groove is formed in the top of the guide post 8, and a cylindrical pin 15 penetrates through the top of the base 7 and is inserted into the guide groove and used for fixing the moving direction of the guide post 8. A tension meter connecting shaft 10 is arranged in the guide post 8, and two ends of a tension meter 17 are respectively connected with the part connecting shaft 5 and the tension meter connecting shaft 10. The other end of the guide post 8 is screwed into the screw 11,3 and the straight handle 16 is arranged in the hole at the end of the screw 11, so that the rotation of the screw is controlled conveniently. And one end of the base 7, which is far away from the clamp main body, is provided with a limiting block 9 through a screw 14 for limiting the movement of the screw rod.
The application method of the spring device stroke force value detection clamp comprises the following steps:
1) A positioning bolt 13 passes through a positioning hole of the spring device 19 through a positioning block 2; the lug at the other end of the spring device 19 is inserted into the notch of the part connecting shaft 5, and the reference bolt 3 is inserted into the large key slot of the support 1 after simultaneously passing through the lug hole of the spring device 19 and the hole of the part connecting shaft 5.
2) Then, the tension meter 17 is used for pulling the part connecting shaft 5 so as to drive the spring device 19 to the position of the initial force value, and the position is fixed by the slide block 4; the upper end of the reference bolt 3 is aligned to the specific working position of the dial indicator 18 through the measuring block 12, and the measuring block 12 is removed.
3) The rotating screw rod 11 drives the guide post 8 to pull the tension meter 17, when the position of the reference bolt 3 reaches the position of the measuring head of the dial indicator (the pointer of the main dial indicator changes), the rotating screw rod 11 is stopped, the numerical value of the tension meter is read, and the measurement of the stress value in the stroke is realized.
4) After the measurement is finished, the reference bolt 3 and the positioning bolt 13 are pulled off, and the disassembly of the spring device 19 is completed.
The invention has the beneficial effects that: the structure is very stable by utilizing two-hole positioning. When the tension meter measures the spring device, the position pulled by the spring device is fixed by combining the sliding block, and the tension detection of any position in the stroke can be effectively realized. The measurable block is designed according to the stroke of the spring device, the limit of the pulling position is realized by combining the dial indicator, the stop point of the specific stroke can be effectively controlled, and the over-stroke measurement is avoided. The pulling of tensiometer adopts the mode that screw rod and guide pillar combine to the design has the stopper, makes anchor clamps only rely on the twist grip to realize the dynamometry function, convenient operation, labour saving and time saving. The whole measuring process only needs one person to operate, and the method is convenient and quick and is accurate in measured value. The whole clamp realizes the force value measurement of any position in the stroke range, so that the detection precision is greatly improved, the product quality is effectively ensured, the processing efficiency is improved, and the production period of the assembly is ensured.
Drawings
FIG. 1 is a front view of the inspection fixture of the present invention.
FIG. 2 is a top view of the inspection fixture of the present invention.
FIG. 3 is a block diagram of a spring assembly; wherein (base:Sub>A) isbase:Sub>A front view, and (b) isbase:Sub>A sectional view taken along the line A-A of (base:Sub>A).
In the figure: 1, a support; 2, positioning a block; 3, a reference bolt; 4, a sliding block; 5, connecting shafts of parts; 6 percent meter bracket; 7, a base; 8, a guide pillar; 9 a limiting block; 10, a tension meter connecting shaft; 11, a screw rod; 12 measuring blocks; 13 positioning a bolt; 14, a screw; 15 cylindrical pins; a 16 straight handle; 17 a tension meter; 18 percent meter; 19 spring means.
Detailed Description
The following examples and drawings are included to further illustrate the embodiments of the present invention and are not intended to limit the invention thereto.
The spring device stroke force value detection clamp shown in fig. 1-2 is installed and used as follows:
1) Fixing the positioning block 2 on the support 1 by using 4 screws 14 and 2 cylindrical pins 15;
2) Placing the sliding block 4 in a sliding groove of the support 1, and screwing and fixing the sliding block by a screw 14 through a small key groove of the support;
3) Fixing a dial indicator bracket 6 on a support 1 through a screw 14, and mounting a dial indicator 18 on the support;
4) The base 7 is mounted on the support 1 by screws 14;
5) A guide post 8 is arranged in a hole on the side surface of the base 7, and a cylindrical pin 15 penetrates through the top of the base 7 and is inserted into a guide groove on the top of the guide post 8, so that the moving direction of the guide post is fixed; a tension meter connecting shaft 10 is arranged in the guide post 8;
6) Two ends of the tension meter 17 are respectively connected with the part connecting shaft 5 and the tension meter connecting shaft 10;
7) The other end of the guide post 8 is screwed into the screw 11; 3 straight handles 16 are arranged in the holes at the end parts of the screw rods 11, so that the rotation of the screw rods is convenient to control;
8) A limiting block 9 is arranged at one end of the base 7, which is far away from the clamp main body, through a screw 14 to limit the movement of the screw rod;
9) When the spring device 19 is installed, the positioning bolt 13 penetrates through the positioning holes of the positioning block and the spring device 19 to position the assembly; the lug plate at the other end of the spring device 19 is inserted into the notch of the part connecting shaft 5, and the lower end of the reference bolt 3 is inserted into the large key groove of the support 1 after simultaneously passing through the lug plate hole of the spring device and the hole of the part connecting shaft 5; inserting a measuring block 12 into the upper end of the reference bolt 3, keeping the center of the measuring block 12 as high as the measuring head of the dial indicator, and fixing the position by using a screw 14;
10 After the part is installed, measuring a stroke-force value;
11 After the measurement is completed, the reference pin 3 and the positioning pin 13 are pulled out, completing the removal of the spring means 19.
The fixture has the advantages that: 1) The two holes are positioned, and the stroke is calculated by combining the measuring block, so that the measuring process is more accurate, stable and reliable, and the measuring accuracy is improved; 2) The screw is used for rotating to drive the tension meter to pull the part, manual pulling is not needed, time and labor are saved, and the device is stable and reliable and convenient to operate; 3) The clamp is manufactured by combining the existing measuring tool tension meter and the dial indicator, so that the cost is saved, the clamp can be used for a long time, and the economy is realized.
Claims (5)
1. A spring device stroke force value detection clamp is characterized by comprising a support (1), a positioning block (2), a reference bolt (3), a sliding block (4), a part connecting shaft (5), a dial indicator support (6), a base (7), a guide post (8), a tension meter connecting shaft (10), a screw rod (11), a measuring block (12), a positioning bolt (13), a screw (14), a straight handle (16), a tension meter (17) and a dial indicator (18);
the positioning block (2) is fixed on the support (1), and a positioning bolt (13) penetrates through the positioning block (2) and a positioning hole of the spring device to position the spring device assembly during detection;
a notch is formed in the side face of one end of the part connecting shaft (5) and is used for being embedded into a lug of the spring device; the other end is provided with a hook for connecting a tension meter (17);
the reference bolt (3) is positioned on the inner side of the positioning block (2), and the lower end of the reference bolt penetrates through the notch end of the part connecting shaft (5) and then is inserted into the large key groove of the support (1); the dial indicator support (6) is fixed on the support (1), and a dial indicator (18) is arranged on the dial indicator support (6); the upper end of the reference bolt (3) is inserted into the measuring block (12), the center of the measuring block (12) is at the same height as the measuring head of the dial indicator, and the position of the measuring block (12) is fixed through a screw (14);
the sliding block (4) is positioned on the outer side of the reference bolt (3), is arranged in a sliding groove of the support (1), and passes through a small key groove of the support (1) through a screw (14) to fix the sliding block (4) for locking the pulling position of the spring device;
the base (7) is arranged on the support (1), and a guide post (8) is arranged in a hole in the side surface of the base; a tension meter connecting shaft (10) is arranged in the guide post (8), and two ends of a tension meter (17) are respectively connected with the part connecting shaft (5) and the tension meter connecting shaft (10); the other end of the guide post (8) is screwed into the screw rod (11), and the end part of the screw rod (11) is arranged into the straight handle (16), so that the rotation of the screw rod is convenient to control.
2. The clamp for detecting the stroke force value of a spring device according to claim 1, wherein the top of the guide post (8) is provided with a guide groove, and a cylindrical pin (15) is inserted into the guide groove through the top of the base (7) for fixing the moving direction of the guide post (8).
3. The clamp for detecting the stroke force value of the spring device according to claim 1 or 2, wherein a limit block (9) is installed at one end of the base (7) far away from the clamp body for limiting the movement of the screw.
4. A spring means stroke force value detecting clamp according to claim 1 or 2, characterized in that the straight handle (16) has 3 pieces in total.
5. Use of the spring means stroke force value detection clamp according to any of claims 1 to 4, characterized in that it comprises the following steps:
1) A positioning bolt (13) passes through a positioning hole of the spring device through a positioning block (2); the lug plate at the other end of the spring device is inserted into a notch of the part connecting shaft (5), and the reference bolt (3) is inserted into the large key groove of the support (1) after simultaneously passing through the lug plate hole of the spring device and the hole of the part connecting shaft (5);
2) Then, a tension meter (17) is utilized to pull the part connecting shaft (5) so as to drive the spring device to the position of the initial force value, and then the slide block (4) is utilized to fix the position; after the upper end of the reference bolt (3) is used for finding the specific working position of the dial indicator (18) through the measuring block (12), the measuring block (12) is removed;
3) The screw (11) is rotated to drive the guide post (8) to pull the tension meter (17), the screw (11) is stopped to rotate when the position of the reference bolt (3) reaches the position of the measuring head of the dial indicator, the count value of the tension force is read out, and the measurement of the stress value in the stroke is realized;
4) And after the measurement is finished, the reference bolt (3) and the positioning bolt (13) are pulled out, and the disassembly of the spring device is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244457.8A CN115452355B (en) | 2022-10-12 | 2022-10-12 | Spring device stroke force value detection clamp and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244457.8A CN115452355B (en) | 2022-10-12 | 2022-10-12 | Spring device stroke force value detection clamp and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115452355A true CN115452355A (en) | 2022-12-09 |
| CN115452355B CN115452355B (en) | 2024-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211244457.8A Active CN115452355B (en) | 2022-10-12 | 2022-10-12 | Spring device stroke force value detection clamp and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115452355B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1208546A (en) * | 1969-06-04 | 1970-10-14 | Lee Green Prec Ind Ltd | A device for measuring forces |
| GB1491235A (en) * | 1973-11-27 | 1977-11-09 | Metallurg De Saint Urbain Atel | Apparatus for testing springs |
| DE3151564A1 (en) * | 1981-12-28 | 1983-07-07 | Hans Widmaier Fabrik für Apparate der Fernmelde- und Feinwerktechnik, 8000 München | Spring-measuring and spring-testing device |
| JPH10213495A (en) * | 1997-01-30 | 1998-08-11 | Iwate Toshiba Electron Kk | Spring-load measuring apparatus |
| US20130276545A1 (en) * | 2012-04-19 | 2013-10-24 | Hon Hai Precision Industry Co., Ltd. | Measurement apparatus for measuring elasticity coefficient of coil spring |
| CN104316244A (en) * | 2014-10-28 | 2015-01-28 | 重庆御捷汽车部件有限公司 | Device for testing reset force of reset spring of parking stay rope |
| DE102014116770B3 (en) * | 2014-11-17 | 2016-04-07 | Industrieanlagen- Betriebsgesellschaft mit beschränkter Haftung | Test bench and method for testing resilient elements |
| CN205843937U (en) * | 2016-07-01 | 2016-12-28 | 苏州市巨力万向节有限公司 | A kind of constant force spring test device |
| CN108709808A (en) * | 2018-08-03 | 2018-10-26 | 奇瑞万达贵州客车股份有限公司 | A kind of stretching force detecting apparatus |
| CN109459169A (en) * | 2018-11-02 | 2019-03-12 | 江苏乾涌控股有限公司 | A kind of multi-functional dynameter |
| CN209894466U (en) * | 2019-05-29 | 2020-01-03 | 南京能新电力高科实业有限公司 | Tension testing device for fixed stroke of spring |
| CN112857715A (en) * | 2021-01-19 | 2021-05-28 | 深圳市森城橡胶有限公司 | Elasticity testing device for silica gel detection and using method thereof |
-
2022
- 2022-10-12 CN CN202211244457.8A patent/CN115452355B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1208546A (en) * | 1969-06-04 | 1970-10-14 | Lee Green Prec Ind Ltd | A device for measuring forces |
| GB1491235A (en) * | 1973-11-27 | 1977-11-09 | Metallurg De Saint Urbain Atel | Apparatus for testing springs |
| DE3151564A1 (en) * | 1981-12-28 | 1983-07-07 | Hans Widmaier Fabrik für Apparate der Fernmelde- und Feinwerktechnik, 8000 München | Spring-measuring and spring-testing device |
| JPH10213495A (en) * | 1997-01-30 | 1998-08-11 | Iwate Toshiba Electron Kk | Spring-load measuring apparatus |
| US20130276545A1 (en) * | 2012-04-19 | 2013-10-24 | Hon Hai Precision Industry Co., Ltd. | Measurement apparatus for measuring elasticity coefficient of coil spring |
| CN104316244A (en) * | 2014-10-28 | 2015-01-28 | 重庆御捷汽车部件有限公司 | Device for testing reset force of reset spring of parking stay rope |
| DE102014116770B3 (en) * | 2014-11-17 | 2016-04-07 | Industrieanlagen- Betriebsgesellschaft mit beschränkter Haftung | Test bench and method for testing resilient elements |
| CN205843937U (en) * | 2016-07-01 | 2016-12-28 | 苏州市巨力万向节有限公司 | A kind of constant force spring test device |
| CN108709808A (en) * | 2018-08-03 | 2018-10-26 | 奇瑞万达贵州客车股份有限公司 | A kind of stretching force detecting apparatus |
| CN109459169A (en) * | 2018-11-02 | 2019-03-12 | 江苏乾涌控股有限公司 | A kind of multi-functional dynameter |
| CN209894466U (en) * | 2019-05-29 | 2020-01-03 | 南京能新电力高科实业有限公司 | Tension testing device for fixed stroke of spring |
| CN112857715A (en) * | 2021-01-19 | 2021-05-28 | 深圳市森城橡胶有限公司 | Elasticity testing device for silica gel detection and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN115452355B (en) | 2024-06-14 |
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