CN116124579A - Hydrogen embrittlement test tool of double-rotation torsion spring and use method thereof - Google Patents

Hydrogen embrittlement test tool of double-rotation torsion spring and use method thereof Download PDF

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Publication number
CN116124579A
CN116124579A CN202211477330.0A CN202211477330A CN116124579A CN 116124579 A CN116124579 A CN 116124579A CN 202211477330 A CN202211477330 A CN 202211477330A CN 116124579 A CN116124579 A CN 116124579A
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CN
China
Prior art keywords
torsion spring
block
screw
hydrogen embrittlement
double
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211477330.0A
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Chinese (zh)
Inventor
谢欢
朱林
贾飞飞
陈彬
王光宇
章英健
李聪
张毅
武峰
王敏辉
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Jiangnan Industries Group Co Ltd
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Jiangnan Industries Group Co Ltd
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Priority to CN202211477330.0A priority Critical patent/CN116124579A/en
Publication of CN116124579A publication Critical patent/CN116124579A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • 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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/04—Chucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0017—Tensile
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a hydrogen embrittlement test tool of a double-rotation torsion spring and a use method thereof, the hydrogen embrittlement test tool comprises a bottom plate, first support plates are vertically arranged at the left end and the right end of the bottom plate, the upper ends of the two first support plates are bent by 45 degrees and are oppositely arranged, a stretching assembly is slidably arranged on the surface of the bent part of the upper end of the first support plate, the stretching assembly is used for driving spring feet at the two ends of the torsion spring to move, a stop block is arranged in the middle of the bottom plate, a torsion spring fixing assembly is arranged at the front end of the bottom plate, and the two screw rods and the guide parts with an included angle of 90 degrees are jointly pressed against the lower end of the torsion spring.

Description

Hydrogen embrittlement test tool of double-rotation torsion spring and use method thereof
Technical Field
The invention relates to the technical field of torsion spring detection, in particular to a hydrogen embrittlement test tool of a double-rotation torsion spring and a use method thereof.
Background
In the electroplating of the metal piece, part of hydrogen permeates into the base metal and the plating layer in an atomic hydrogen state, so that the pressure in the metal piece is increased, the plasticity is reduced, and the metal piece is easy to brittle fracture. After the metal piece is dehydrogenated, a hydrogen embrittlement test is needed to be carried out on the metal piece to check the dehydrogenation effect, so the hydrogen embrittlement test after the dehydrogenation of the electroplated spring is particularly important, and the method is that the spring is stretched to more than twice the original free length, and the spring is not broken to be qualified. The stretching tool and the stretching method of the standard stretching spring or torsion spring are simpler, but the hydrogen embrittlement test of a certain double-rotation-direction special-shaped torsion spring is a difficult point in process inspection, and the stretching method is more difficult.
Disclosure of Invention
The invention provides a hydrogen embrittlement test tool of a double-rotation torsion spring and a use method thereof, and aims to solve the problem of a hydrogen embrittlement test stretching method of a special-shaped torsion spring in the prior art.
The technical scheme of the invention is as follows: the utility model provides a hydrogen embrittlement test instrument of two revolve torsional springs, includes the bottom plate, both ends are vertical about the bottom plate is provided with first backup pad, two first backup pad upper end is bent 45 and is set up relatively, first backup pad upper end department surface sliding that bends is provided with tensile subassembly, tensile subassembly is used for driving torsion spring both ends spring foot and removes, be provided with the dog in the middle of the bottom plate, the bottom plate front end is provided with torsional spring fixed subassembly, and the two compresses tightly the torsional spring lower extreme jointly.
As a further improvement of the above technical scheme:
preferably, the lower end of the base is provided with a clamping block.
Preferably, the stretching assembly comprises a screw rod and a clamping assembly, the screw rod penetrates through the surface of the bending part at the upper end of the first supporting plate in a threaded connection mode, the clamping assembly is arranged at the lower end of the screw rod, and the clamping assembly is used for clamping spring legs at two ends of the torsion spring.
Preferably, a first handle is arranged at the upper end of the screw rod.
Preferably, the clamping assembly comprises a sliding block, a compression block and a fastening screw, wherein the sliding block is arranged at the lower end of the screw rod, and the compression block is movably arranged on the side face of the sliding block through the compression screw.
Preferably, 2 guide pins are arranged on any sliding block, the 2 guide pins are symmetrical to the screw rod, and the other end of the guide pins is connected to the end face of the first supporting plate in a penetrating and sliding manner. .
Preferably, the torsional spring fixing component comprises a second supporting block, a compression screw and a pressing block, wherein the second supporting block is arranged at the front end of the bottom plate, the compression screw is connected to the vertical surface of the second supporting block in a penetrating mode, and the pressing block is arranged at one end, close to the stop block, of the compression screw.
Preferably, the other end of the compression screw is provided with a second handle.
The application method of the hydrogen embrittlement test tool of the double-rotation torsion spring comprises the following steps:
step1, fixing the assembled tool on a vice or a similar workbench through a clamping block;
the spring feet at the two ends of the torsion spring to be tested correspond to the sliding block, and the compression screw is rotated to reduce the interval between the pressing block and the stop block and compress the lower end of the torsion spring;
step3, unscrewing a fastening screw for connecting the compression block and the sliding block, respectively placing spring feet at two ends of the torsion spring between the compression block and the sliding block, rotating the screw rod to enable the sliding blocks at two sides to be close to two sides on the stop block, and screwing the fastening screw;
step4, simultaneously rotating left and right screws to drive the two sliding blocks to gradually slide along the screw direction, and after the two sliding blocks are stretched to a designated position, the torsion spring has no brittle failure phenomenon, and is a qualified product, otherwise, the torsion spring is a non-qualified product, and the hydrogen embrittlement phenomenon of the product is not eliminated.
Preferably, the torsion spring in Step4 has a length that is more than twice the original free length of the double coil spring.
Compared with the prior art, the invention has the following beneficial effects:
compared with the prior art, the invention adopts the two screws with the included angle of 90 degrees and the guide part, the spring leg of the torsion spring is biaxially stretched, the force is decomposed to stretch the spring coil part of the torsion spring to more than twice the original free length, whether the torsion spring is broken or not is used for checking the dehydrogenation effect of the torsion spring, the whole hydrogen embrittlement test method is simple, the hydrogen embrittlement test tool is combined with the special-shaped design of the torsion spring, the structure is light, the clamping and the disassembly are convenient and rapid, and the operation of workers is convenient.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic diagram of the front view structure in the detection process of the present invention;
FIG. 3 is a schematic perspective view of a stopper according to the present invention;
FIG. 4 is a schematic perspective view of a slider of the present invention;
fig. 5 is a perspective view of the torsion spring of the present invention.
Reference numerals: 1. a bottom plate; 2. a first support plate; 3. clamping blocks; 4. a screw; 5. a first handle; 6. a slide block; 7. a compaction block; 8. a fastening screw; 9. a guide pin; 10. a second support block; 11. a compression screw; 12. briquetting; 13. a second handle; 14. a torsion spring; 15. and a stop block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that, in terms of "front", "rear", "left", "right", "upper", "lower", etc., the directions or positional relationships indicated are based on the directions or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, but are not meant to indicate or imply that the devices or elements to be referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present invention, the technical solutions of the embodiments of the present invention may be combined, and the technical features of the embodiments may also be combined to form a new technical solution.
The invention provides the following technical scheme:
fig. 5 is a schematic perspective view of the torsion spring 14 to be detected in the present invention.
As shown in fig. 1 to 4, two first support plates 2, 1 second support blocks 10 and 1 clamping block 3 are respectively arranged at the left end, the right end, the front end and the bottom end of a bottom plate 1 by screws, and the lower ends of stop blocks 15 are pressed into square holes in the center of the bottom plate 1, wherein the upper ends of the first support plates 2 are bent, and the bending angles are 45 degrees and are oppositely arranged, so that extension lines of the upper ends of the two first support plates 2 are vertical;
the screw 4 provided with the first handle 5 is screwed through the central threaded hole of the first support plate 2 of the support plate, the front end of the screw 4 is inserted into the central hole of the sliding block 6 and then fixed by a screw, each sliding block 6 is provided with 2 guide pins 9, the guide pins 9 are symmetrical about the screw 4 and ensure the smooth sliding, the guide pins 9 are connected to the first support plate 2 in a sliding way, and the compression screw 11 connects the compression block 7 and the sliding block 6 together;
the second handle 13 is installed on the fastening screw 8, and the fastening screw 8 is screwed through the screw hole of the vertical face of the second supporting block 10, and the screw hole that the fastening screw 8 front end was screwed through the briquetting 12 catches briquetting 12.
The application process of the invention comprises the following steps:
1. the assembled tool is fixed on a vice or the like workbench through a clamping block 3;
2. the spring feet at the two ends of the torsion spring 14 to be tested correspond to the sliding block 6, and the compression screw 11 is rotated to reduce the interval between the pressing block 12 and the stop block 15 and compress the lower end of the torsion spring 14;
3. unscrewing the fastening screw 8 connecting the compression block 7 and the sliding block 6, putting spring feet at two ends of the torsion spring 14 between the compression block 7 and the sliding block 6 respectively, rotating the screw 4 to enable the sliding blocks 6 at two sides to be close to two upper sides of the stop block 15, and as shown in figure 3, arranging a convex column at the upper end of the stop block 15, and screwing the fastening screw 8 at two divided ends of the sliding block 6 and the convex column;
4. simultaneously, the left and right screw rods 4 are rotated to drive the two sliding blocks 6 to gradually slide along the direction of the screw rods 4, the stretching length of the torsion spring 14 is more than twice the original free length of the double-rotation spring coils, the torsion spring 14 has no brittle failure phenomenon, the torsion spring 14 is a qualified product, otherwise, the torsion spring 14 is an unqualified product, and the hydrogen embrittlement phenomenon of the product is not eliminated.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a hydrogen embrittlement test instrument of two revolved torsional springs which characterized in that: including bottom plate (1), both ends are vertical about bottom plate (1) are provided with first backup pad (2), two first backup pad upper end is bent 45 and is set up relatively, first backup pad (2) upper end department surface sliding that bends is provided with tensile subassembly, tensile subassembly is used for driving torsion spring (14) both ends spring foot and removes, be provided with dog (15) in the middle of bottom plate (1), bottom plate (1) front end is provided with torsional spring fixed subassembly, and the two compresses tightly torsional spring (14) lower extreme jointly.
2. The hydrogen embrittlement test tool of a double-twist torsion spring according to claim 1, wherein: the lower end of the base is provided with a clamping block (3).
3. The hydrogen embrittlement test tool of a double-twist torsion spring according to claim 1, wherein: the stretching assembly comprises a screw (4) and a clamping assembly, the screw (4) penetrates through the surface of the bending part at the upper end of the first supporting plate in a threaded connection mode, the clamping assembly is arranged at the lower end of the screw (4), and the clamping assembly is used for clamping spring legs at two ends of the torsion spring (14).
4. A hydrogen embrittlement test tool of a double torsion spring according to claim 3, wherein: the upper end of the screw rod (4) is provided with a first handle (5).
5. A hydrogen embrittlement test tool of a double torsion spring according to claim 3, wherein: the clamping assembly comprises a sliding block (6), a pressing block (7) and a fastening screw (8), wherein the sliding block (6) is arranged at the lower end of the screw rod (4), and the pressing block (7) is movably arranged on the side face of the sliding block (6) through a pressing screw (11).
6. The hydrogen embrittlement test tool of a double torsion spring according to claim 5, wherein: and 2 guide pins (9) are arranged on any sliding block (6), the 2 guide pins (9) are symmetrical about the screw (4) and the other end of the guide pins is connected with the end face of the first supporting plate (2) in a penetrating and sliding manner.
7. The hydrogen embrittlement test tool of a double-twist torsion spring according to claim 1, wherein: the torsional spring fixing assembly comprises a second supporting block (10), a compression screw (11) and a pressing block (12), wherein the second supporting block (10) is arranged at the front end of the bottom plate (1), the compression screw (11) is connected to the vertical surface of the second supporting block (10) in a penetrating type in a threaded mode, and the pressing block (12) is arranged at one end, close to the stop block (15), of the compression screw (11).
8. The hydrogen embrittlement test tool of the double torsion spring according to claim 7, wherein: the other end of the compression screw (11) is provided with a second handle (13).
9. The application method of the hydrogen embrittlement test tool of the double-rotation torsion spring is characterized by comprising the following steps of:
step1, fixing the assembled tool on a vice or a similar workbench through a clamping block (3);
step2, placing the torsion spring (14) to be tested on the stop block (15), enabling spring feet at two ends of the torsion spring (14) to correspond to the sliding block (6), rotating the compression screw (11) to reduce the distance between the pressing block (12) and the stop block (15), and compressing the lower end of the torsion spring (14);
step3, unscrewing a fastening screw (8) connected with the compression block (7) and the sliding block (6), putting spring feet at two ends of the torsion spring (14) between the compression block (7) and the sliding block (6) respectively, rotating the screw (4) to enable the sliding blocks (6) at two sides to be close to two sides of the upper end of the stop block (15), and screwing the fastening screw (8);
step4, simultaneously rotating left and right screw rods (4), driving two sliding blocks (6) to gradually slide along the direction of the screw rods (4), and after the two sliding blocks are stretched to a designated position, the torsion spring (14) has no brittle failure phenomenon, the torsion spring (14) is a qualified product, otherwise, the torsion spring is an unqualified product, and the hydrogen embrittlement phenomenon of the product is not eliminated.
10. The method of using a hydrogen embrittlement test tool of a double torsion spring according to claim 7, wherein: the stretching length of the torsion spring (14) in Step4 is more than twice of the original free length of the double-spiral spring coils.
CN202211477330.0A 2022-11-23 2022-11-23 Hydrogen embrittlement test tool of double-rotation torsion spring and use method thereof Pending CN116124579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211477330.0A CN116124579A (en) 2022-11-23 2022-11-23 Hydrogen embrittlement test tool of double-rotation torsion spring and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211477330.0A CN116124579A (en) 2022-11-23 2022-11-23 Hydrogen embrittlement test tool of double-rotation torsion spring and use method thereof

Publications (1)

Publication Number Publication Date
CN116124579A true CN116124579A (en) 2023-05-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211477330.0A Pending CN116124579A (en) 2022-11-23 2022-11-23 Hydrogen embrittlement test tool of double-rotation torsion spring and use method thereof

Country Status (1)

Country Link
CN (1) CN116124579A (en)

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