Timing device for hydrogen sulfide A method test

Abstract

The utility model relates to the technical field of hydrogen sulfide A method tests, in particular to a hydrogen sulfide A method test timing device which comprises a base, a timing mechanism and a clamping mechanism, the timing mechanism is fixedly installed on the base and used for recording the fracture time in the sample testing process, and the clamping mechanism is detachably installed on the timing mechanism and used for clamping the sample. The clamping mechanism is used for fixing the timing mechanism, the clamping mechanism comprises a mounting plate, an extrusion plate and a limiting mechanism, the mounting plate is detachably mounted on the timing mechanism, the extrusion plate is slidably mounted on the mounting plate, and the limiting mechanism is fixedly mounted on the mounting plate. According to the hydrogen sulfide A method test timing device, through the clamping mechanism and the limiting mechanism, a strain gauge can be clamped and fixedly mounted on a sample, and the strain gauge can be conveniently dismounted, so that the mounting position of the strain gauge on a test can be changed in the test process, and the test efficiency is improved. Therefore, the using effect and the working efficiency of the timing device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen sulfide A method test technical field, concretely relates to a hydrogen sulfide A method test timing device. BACKGROUND

[0002] The hydrogen sulfide A method test usually refers to the hydrogen sulfide stress corrosion cracking A method test, is mainly used for evaluating the stress corrosion cracking resistance of material in the hydrogen sulfide environment, is subjected to the tensile stress, is often used in the corrosion resistance detection of metal pipeline, equipment and other materials in the petroleum, natural gas and other industries.

[0003] The uniaxial tensile sample in the existing hydrogen sulfide A method test mostly adopts the contact switch to cooperate with the timing system to record the fracture time in the process of sample, but when the deformation of stress ring is less than 0.3mm, the contact position of contact switch and stress ring is difficult to adjust, and when the sample is fractured, the deformation of stress ring is not enough to cause the contact of contact and stress ring to separate, thereby the time of sample fracture cannot be truly reflected.

[0004] And considering that the existing contact switch cannot accurately reflect the sample fracture time, therefore strain gauge is used to collect and transmit sample data, and when installing, strain gauge needs to use adhesive to fix strain gauge on sample, and when fixing through adhesive, the solidification of adhesive needs certain time, and the fixed strain gauge is difficult to replace different pasting positions according to subsequent requirements, thereby the use effect and work efficiency of timing device are reduced. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a hydrogen sulfide A method test timing device.

[0006] To achieve this purpose, the utility model adopts the following technical scheme:

[0007] Provide a kind of hydrogen sulfide A method test timing device, including base, timing mechanism and clamping mechanism, timing mechanism is fixedly installed on base, timing mechanism is used to record the fracture time in the process of sample, clamping mechanism can be installed and detached on timing mechanism, clamping mechanism is used to fix timing mechanism, clamping mechanism includes mounting plate, extrusion plate and limiting mechanism, mounting plate can be installed and detached on timing mechanism, extrusion plate can be slidably installed on mounting plate, limiting mechanism is fixedly installed on mounting plate, limiting mechanism is used to limit extrusion plate.

[0008] Further, the clamping mechanism further includes a connecting rod, a fixed column and a moving column, the fixed column is fixedly installed on the extrusion plate, a sliding slot is formed in the mounting plate, the moving column is slidably installed on the inner side of the sliding slot, one end of the connecting rod is rotatably connected with the fixed column, and the other end of the connecting rod is rotatably connected with the moving column.

[0009] Further, the bottom of the extrusion plate is fixedly provided with a rubber pad, the mounting plate is provided with a placing groove, the moving column is fixedly connected with the limiting mechanism, and the limiting mechanism is used for limiting the moving column.

[0010] Further, the limiting mechanism comprises a fixed plate, a fixed block, a spring, a clamping block and a lever, the fixed plate is fixedly installed on the mounting plate, the fixed block is fixedly installed on the moving column and slidably connected with the inner side of the sliding groove, one end of the spring is fixedly installed on the inner side of the fixed block, the other end of the spring is fixedly connected with the clamping block, and the lever is fixedly installed on the fixed block.

[0011] Further, the fixed plate is provided with a clamping groove, the clamping block is slidably installed on the inner side of the fixed block and clamped with the inner side of the clamping groove.

[0012] Further, the timing mechanism comprises a micro liquid crystal screen, a plc timing module, a strain acquisition module, a data recording module and a strain gauge, the micro liquid crystal screen, the plc timing module, the strain acquisition module and the data recording module are connected through signal lines, the strain acquisition module, the plc timing module, the data recording module and the strain gauge are connected through signal lines, and the strain gauge is inserted into the inner side of the placing groove.

[0013] The hydrogen sulfide A method test timing device has the advantages that: the strain gauge can be clamped and fixedly installed on the test sample through the clamping mechanism and the limiting mechanism, the strain gauge is convenient to disassemble, the installation position of the strain gauge on the test sample can be replaced in the test process, the use effect and the working efficiency of the timing device are improved, the timing mechanism can monitor the stress change of the test sample in the test process and realize miniaturization, stress monitoring and fracture time recording under various micro deformations are realized, and the use effect and the practicality of the timing device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawings needed to be used in the embodiment of the utility model.

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the rear view structure schematic diagram of the utility model;

[0017] Figure 3 It is the timing mechanism rear view structure schematic diagram of the utility model;

[0018] Figure 4 It is the clamping mechanism main view structure schematic diagram of the utility model;

[0019] Figure 5 The utility model discloses a limiting mechanism split structure schematic view for the utility model discloses a

[0020] Figure 6 The utility model discloses a Figure 4 The middle A part amplification structure schematic view.

[0021] In the drawing: 1, base, 2, timing mechanism, 21, micro liquid crystal screen, 22, plc timing module, 23, strain acquisition module, 24, data recording module, 25, strain gauge, 3, clamping mechanism, 31, mounting plate, 32, placing groove, 33, extrusion plate, 34, rubber gasket, 35, connecting rod, 36, fixed column, 37, moving column, 38, sliding slot, 39, limiting mechanism, 391, fixed plate, 392, clamping groove, 393, fixed block, 394, spring, 395, clamping block, 396, lever. Specific embodiments

[0022] The technical scheme of the utility model will be further illustrated below in combination with the drawings and specific embodiments.

[0023] Among them, the drawing is only used for example explanation, and the representation is only schematic diagram, and not the real object drawing, and can not be understood as the limitation of this patent, in order to better illustrate the embodiment of the utility model, some components of the drawing will be omitted, enlarged or reduced, and not represent the size of the actual product, and for those skilled in the art, some known structures and their description in the drawing can be omitted, which is understandable.

[0024] Referring to Figures 1 to 3 , including base 1, timing mechanism 2 and clamping mechanism 3, timing mechanism 2 is fixedly installed on base 1, timing mechanism 2 is used for recording the fracture time in the process of sample, simultaneously, through timing mechanism 2, the stress condition of sample can be monitored, and the occupied space is smaller when using, and clamping mechanism 3 can be installed and removed on timing mechanism 2, clamping mechanism 3 is used for fixing timing mechanism 2, simultaneously, through clamping mechanism 3, the strain gauge 25 can be conveniently removed, so that the strain gauge 25 can be replaced in the installation position on the sample during the test process according to the need, clamping mechanism 3 includes mounting plate 31, extrusion plate 33 and limiting mechanism 39, mounting plate 31 can be installed and removed on timing mechanism 2, extrusion plate 33 can be slidably installed on mounting plate 31, through the sliding effect of extrusion plate 33, extrusion plate 33 and mounting plate 31 can clamp and fix the strain gauge 25 and sample together, so that the strain gauge 25 and sample keep close adhesion, or release the clamping effect of strain gauge 25 and sample, limiting mechanism 39 is fixedly installed on mounting plate 31, limiting mechanism 39 is used for limiting extrusion plate 33, so that the strain gauge 25 keeps fixed adhesion on the sample.

[0025] Referring to Figure 2 andFigure 4 The clamping mechanism 3 also includes a connecting rod 35, a fixed column 36, and a movable column 37. The fixed column 36 is fixedly installed on the extrusion plate 33. The movement of the fixed column 36 can drive the extrusion plate 33 to slide vertically. The mounting plate 31 has a sliding groove 38. The movable column 37 is slidably installed inside the sliding groove 38. The movement of the movable column 37 can drive the connecting rod 35 to move. One end of the connecting rod 35 is rotatably connected to the fixed column 36, and the other end of the connecting rod 35 is rotatably connected to the movable column 37. The movement of the connecting rod 35 can drive the fixed column 36 to move, so that the extrusion plate 33 moves.

[0026] Reference Figure 4 A rubber pad 34 is fixedly installed at the bottom of the extrusion plate 33. The rubber pad 34 increases the friction between the extrusion plate 33 and the sample, thereby improving the clamping effect of the extrusion plate 33. A placement groove 32 is provided on the mounting plate 31. The size of the placement groove 32 corresponds to the size of the strain gauge 25. The moving column 37 is fixedly connected to the limiting mechanism 39. The limiting mechanism 39 is used to limit the moving column 37, thereby keeping the extrusion plate 33 fixed.

[0027] Reference Figure 4 and Figure 5 The limiting mechanism 39 includes a fixed plate 391, a fixed block 393, a spring 394, a locking block 395, and a lever 396. The fixed plate 391 is fixedly installed on the mounting plate 31. The fixed block 393 is fixedly installed on the moving column 37, and the fixed block 393 is slidably connected to the inner side of the slide groove 38. Through the sliding effect of the fixed block 393, the moving column 37 can be moved. One end of the spring 394 is fixedly installed on the inner side of the fixed block 393, and the other end of the spring 394 is fixedly connected to the locking block 395. Through the elastic force of the spring 394, the locking block 395 is always locked with the locking groove 392 without external force, thereby limiting the fixed block 393. The lever 396 is fixedly installed on the fixed block 393, and the lever 396 facilitates the movement of the fixed block 393 by the operator.

[0028] Reference Figure 5 and Figure 6 The fixing plate 391 has a slot 392, and multiple slots 392 are provided. The slots 392 at different positions can engage with the locking block 395, thereby limiting the fixing block 393 at different positions. The locking block 395 can be slidably installed on the inner side of the fixing block 393, and the locking block 395 engages with the inner side of the slot 392. Through the sliding effect of the locking block 395, the locking block 395 engages with or disengages from the slot 392. When the locking block 395 engages with the slot 392, it can limit the fixing block 393, thereby keeping the pressing plate 33 fixed.

[0029] Refer to Figures 1 to 3 , the timing mechanism 2 includes micro liquid crystal screen 21, plc timing module 22, strain acquisition module 23, data recording module 24 and strain gauge 25, micro liquid crystal screen 21 and plc timing module 22, strain acquisition module 23 and data recording module 24 are connected through signal line, strain acquisition module 23 and plc timing module 22, data recording module 24 and strain gauge 25 are connected through signal line, the strain data of sample is collected through strain gauge 25 and strain acquisition module 23, and is transmitted to micro liquid crystal screen 21, data recording module 24 and plc timing module 22 through signal line, the sample fracture time data is transmitted to micro liquid crystal screen 21 through signal line by plc timing module 22, the strain data is recorded by data recording module 24, and is transmitted to micro liquid crystal screen 21 through signal line, each data is displayed through micro liquid crystal screen 21, to facilitate staff observation, the specific operation process is, when the solution reaches saturation degree, manually set and start timing, when the strain acquisition module 23 detects that the loading stress attenuates to a certain percentage of loading stress during the test, plc timing module 22 is automatically disconnected and stress-time recording system stops sampling, that is, the test is declared to end, strain gauge 25 is inserted with the inner side of placing groove 32, by inserting strain gauge 25 with placing groove 32, the clamping mechanism 3 can install strain gauge 25.

[0030] The hydrogen sulfide A method test timing device, through the clamping mechanism and the limiting mechanism, can clamp and fix the strain gauge on the sample, and the strain gauge can be easily disassembled, so that the strain gauge can be replaced in the installation position on the test, thereby improving the use effect and working efficiency of the timing device, in addition, through the setting of the timing mechanism, the stress change of the sample during the test can be monitored and miniaturized, and stress monitoring and fracture time recording under various micro-deformations can be realized, thereby improving the use effect and practicality of the timing device.

[0031] It should be pointed out that the above specific embodiments are only the preferred embodiments of the present application and the technical principles applied. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the present application. However, as long as these changes do not deviate from the spirit of the present application, they should be within the protection scope of the present application. In addition, some terms used in the present application specification and claims are not limited, but only for convenient description.

Claims

1. A hydrogen sulfide A method test timer apparatus, characterized by, The utility model provides a kind of test fixture, including base (1), timing mechanism (2) and clamping mechanism (3), the timing mechanism (2) is fixedly installed on base (1), the timing mechanism (2) is used to record the fracture time in the process of sample, the clamping mechanism (3) can be installed and removed on timing mechanism (2), the clamping mechanism (3) is used to fix timing mechanism (2), the clamping mechanism (3) includes mounting plate (31), extrusion plate (33) and limiting mechanism (39), the mounting plate (31) can be installed and removed on timing mechanism (2), the extrusion plate (33) can be slidably installed on mounting plate (31), the limiting mechanism (39) is fixedly installed on mounting plate (31), and the limiting mechanism (39) is used to limit extrusion plate (33).

2. A hydrogen sulfide A method test timer apparatus as defined in claim 1, wherein, The clamping mechanism (3) further includes connecting rod (35), fixed column (36) and moving column (37), the fixed column (36) is fixedly installed on extrusion plate (33), the mounting plate (31) is provided with a sliding slot (38), the moving column (37) is slidably installed on the inner side of the sliding slot (38), one end of the connecting rod (35) is rotatably connected with the fixed column (36), and the other end of the connecting rod (35) is rotatably connected with the moving column (37).

3. A hydrogen sulfide A method test timer apparatus as defined in claim 2, wherein, The bottom of the extrusion plate (33) is fixedly installed with a rubber gasket (34), the mounting plate (31) is provided with a placing groove (32), the moving column (37) is fixedly connected with the limiting mechanism (39), and the limiting mechanism (39) is used to limit the moving column (37).

4. A hydrogen sulfide A method test timer apparatus as defined in claim 3, wherein, The limiting mechanism (39) includes a fixed plate (391), a fixed block (393), a spring (394), a clamping block (395) and a lever (396), the fixed plate (391) is fixedly installed on the mounting plate (31), the fixed block (393) is fixedly installed on the moving column (37), and the fixed block (393) is slidably connected with the inner side of the sliding slot (38), one end of the spring (394) is fixedly installed on the inner side of the fixed block (393), the other end of the spring (394) is fixedly connected with the clamping block (395), and the lever (396) is fixedly installed on the fixed block (393).

5. A hydrogen sulfide A method test timer apparatus as defined in claim 4, wherein, The fixed plate (391) is provided with a clamping groove (392), the clamping block (395) is slidably installed on the inner side of the fixed block (393), and the clamping block (395) is clamped with the inner side of the clamping groove (392).

6. A hydrogen sulfide A method test timer apparatus as defined in claim 1, wherein, The timing mechanism (2) includes a micro liquid crystal screen (21), a plc timing module (22), a strain collection module (23), a data recording module (24) and a strain gauge (25), the micro liquid crystal screen (21) is connected with the plc timing module (22), the strain collection module (23) and the data recording module (24) through signal lines, the strain collection module (23) is connected with the plc timing module (22), the data recording module (24) and the strain gauge (25) through signal lines, and the strain gauge (25) is inserted into the inner side of the placing groove (32).

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