Mechanical property testing device

Abstract

The utility model discloses a mechanical property testing device, which relates to the technical field of mechanical property testing of heat-fluid-solid coupling pipelines, and comprises a test pipeline, two upright posts and two adjustable weight mechanisms, the two adjustable weight mechanisms are symmetrically distributed by taking the midpoint of the test pipeline as a center; the two stand columns are both provided with fixing clamps used for clamping a test pipeline. The adjustable weight mechanism comprises a fixed weight, a hook hung on the test pipeline is arranged at the top of the fixed weight, a clamping assembly is arranged on the hook, a fixed cylinder is arranged outside the fixed weight, and the hook in the adjustable weight mechanism can be fixed on the test pipeline through the clamping assembly. Therefore, the situation that swing displacement easily occurs due to external factors is avoided, it is guaranteed that the two adjustable weight mechanisms are symmetrically distributed with the midpoint of the test pipeline as the center, and the accuracy of a pipeline deformation quantity test result is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat flow solid coupling pipeline mechanical characteristic test technical field, concretely is a kind of mechanical characteristic testing device. BACKGROUND

[0002] Search authorized disclosure no. CN203396647U mentions a kind of device for testing heat flow solid coupling pipeline mechanical characteristic, it includes test pipeline and be used for supporting test pipeline's stand, stand is connected with test pipeline by fixed clamp, the front end of the test pipeline is provided with water pump and is immersed in constant-temperature water tank, the end of test pipeline is connected drainage water tank, the end close to constant-temperature water tank of test pipeline and close to drainage water tank are all provided with flowmeter, pressure gauge and water valve;Temperature sensor, strain gauge, extensometer and adjustable weight are also installed on the test pipeline, temperature sensor and strain gauge are connected to computer by temperature acquisition instrument and strain acquisition instrument respectively;The technical scheme controls and detects flow and water pressure by water valve, flowmeter and pressure gauge, detects temperature by temperature sensor and temperature acquisition instrument and transmits temperature to computer for processing, changes the external force load of test pipeline by adjustable weight, detects the deformation of test pipeline by longitudinal strain gauge, transverse strain gauge, extensometer and strain acquisition instrument, reaches the purpose of testing the mechanical characteristic of test pipeline, to test the mechanical characteristic of test pipeline under different temperature, flow, water pressure, vibration and external force conditions, carry out multi-field coupling detection, improve the test efficiency of pipeline mechanical characteristic, provide important reference data for industrial production.

[0003] The weight in prior art is generally suspended by suspension piece, such as the strength testing device for clothes drying rack disclosed in authorized disclosure no. CN209356170U, in the technical scheme, each weight of first weight combination is provided with a hook, each weight of second weight combination is provided with a ring-shaped soft hanging belt, and the inner ring of the ring-shaped soft hanging belt is provided with a silica gel anti-slip layer, but the applicant finds that even if the anti-slip structure is provided on the suspension piece, the weight is still prone to swing and displacement when hung on the pipeline due to external factors, thereby affecting the test result of the deformation of the pipeline, and it is inconvenient to quickly and stably adjust the number of weights to adjust the external force load of the test pipeline. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of mechanical characteristic testing device, solve the problems of above-mentioned prior art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of mechanical characteristic testing device, including test pipeline and two stands and two adjustable weight mechanisms, wherein, two adjustable weight mechanisms are symmetrically distributed with the midpoint of test pipeline as center, two stands are all provided with fixed clamp for clamping test pipeline;

[0006] The adjustable weight mechanism comprises a fixed weight, the top of the fixed weight is provided with a hook hung on a test pipeline, and the hook is provided with a clamping assembly, the outside of the fixed weight is provided with a fixed cylinder, the outside of the fixed cylinder is uniformly provided with a through groove and an electric guide rail one, the output end of the electric guide rail one is provided with a buffer assembly, and the buffer assemblies at the same height are all placed with movable weights connected with the inner wall of the fixed cylinder, and the front side of the fixed cylinder is provided with a fan-shaped insertion groove, and the movable weights are all located below the insertion groove.

[0007] Preferably, the buffer assembly comprises a base provided on the output end of the electric guide rail one, the inside of the base is provided with a buffer spring, the buffer spring is provided with a buffer rod slidingly connected with the base, the top of the buffer rod is provided with a buffer pad in contact with the movable weight, and the base, the buffer rod and the buffer pad are all located in the through groove.

[0008] Preferably, the fixed cylinder is provided with a supporting assembly and a positioning assembly.

[0009] Preferably, the supporting assembly comprises an electric guide rail two uniformly annularly arranged on the fixed cylinder, the output end of the electric guide rail two is provided with a supporting rod, the top of the supporting rod is provided with a wear-resistant pad, and the wear-resistant pad is flush with the inner wall of the bottom of the insertion groove.

[0010] Preferably, the positioning assembly comprises a movable rod vertically penetrating the top of the fixed cylinder, the movable rod is provided with a reset spring and an arc-shaped rod, the reset spring is connected with the fixed cylinder, and the arc-shaped rod is located in the insertion groove and the inner wall of the arc-shaped rod is flush with the inner wall of the fixed cylinder.

[0011] Preferably, the clamping assembly comprises a vertically arranged hydraulic telescopic rod, the piston rod of the hydraulic telescopic rod is provided with a bidirectional electric guide rail, and the two side output ends of the bidirectional electric guide rail are both provided with a clamping plate for clamping the hook.

[0012] Beneficial effects

[0013] The utility model provides a kind of mechanical property testing device. Compared with prior art, it has the following beneficial effects:

[0014] 1. The mechanical property testing device, through the clamping assembly, the hook in the adjustable weight mechanism can be fixed on the test pipeline, thereby avoiding the situation that it is easy to swing and shift due to external factors, so as to ensure that the two adjustable weight mechanisms are symmetrically distributed with the midpoint of the test pipeline as the center, and the accuracy of the pipeline deformation amount test result is ensured.

[0015] 2、 the mechanical property testing device, through setting up fixed cylinder, electric guide rail one and buffer assembly, can vertically and stably stack movable weight, further in increasing weight to meet the test pipeline external force load testing needs, while as far as possible reduces the space occupied area, through setting up support assembly and positioning assembly, it is convenient to put movable weight into fixed cylinder with less effort. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2 It is schematic diagram of adjustable weight mechanism of the utility model;

[0018] Figure 3 It is sectional view schematic diagram of fixed cylinder of the utility model;

[0019] Figure 4 It is sectional view schematic diagram of buffer assembly of the utility model.

[0020] In the drawing: 1, test pipeline; 2, stand; 3, fixed clamp; 4, fixed weight; 5, hook; 6, fixed cylinder; 7, through slot; 8, electric guide rail one; 9, movable weight; 10, put into slot; 11, base; 12, buffer spring; 13, buffer rod; 14, buffer pad; 15, electric guide rail two; 16, support rod; 17, wear-resistant pad; 18, movable rod; 19, reset spring; 20, arc-shaped rod; 21, hydraulic telescopic rod; 22, two-way electric guide rail; 23, clamping plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the scope of protection of the utility model.

[0022] Reference Figures 1-4 The utility model provides the following two technical schemes:

[0023] The first embodiment: a mechanical property testing device, including test pipeline 1 and two stands 2 and two adjustable weight mechanisms, wherein two adjustable weight mechanisms are symmetrically distributed with the midpoint of test pipeline 1 as center, two stands 2 are all provided with fixed clamp 3 for clamping test pipeline 1, the present application aims at improving adjustable weight in authorized disclosure CN203396647U, and other structures for testing the mechanical property of test pipeline 1 are all same with the structure disclosed in authorized disclosure CN203396647U;

[0024] The adjustable weight mechanism comprises a fixed weight 4, the top of the fixed weight 4 is provided with a hook 5 hung on the test pipeline 1, and the hook 5 is provided with a clamping assembly, the outside of the fixed weight 4 is provided with a fixed cylinder 6, the outer side of the fixed cylinder 6 is uniformly provided with a through slot 7 and an electric guide rail 1, the output end of the electric guide rail 1 is provided with a buffer assembly, and the buffer assemblies at the same height are all placed with movable weights 9 which are connected with the inner wall of the fixed cylinder 6 in a fit manner, the buffer assembly can buffer the falling movable weight 9, the front side of the fixed cylinder 6 is provided with a fan-shaped insertion slot 10, and the movable weights 9 are all located below the insertion slot 10, the fan-shaped insertion slot 10 is larger than the semicircular slot, so that the movable weight 9 can be put into the fixed cylinder 6 through the insertion slot 10, and the falling movable weight 9 is buffered and supported by the buffer assembly.

[0025] The buffer assembly comprises a base 11 provided on the output end of the electric guide rail 1, the base 11 can be driven to move by the electric guide rail 1, the purpose of arranging the electric guide rail 1 is to adjust the position of the base 11, so as to make the movable weights 9 fall one by one, the inside of the base 11 is provided with a buffer spring 12, the buffer spring 12 is provided with a buffer rod 13 which is slidably connected to the base 11, in order to improve the buffering capacity, the top of the buffer rod 13 is provided with a buffer pad 14 which is in contact with the movable weight 9, in order to make the above structure can be in and out of the fixed cylinder 6, the base 11, the buffer rod 13 and the buffer pad 14 are all located in the through slot 7.

[0026] When the movable weight 9 falls, the buffer pad 14 buffers first, and then the buffer rod 13 compresses the buffer spring 12 to further buffer, so as to protect the movable weight 9.

[0027] When the movable weight 9 is pushed along the bottom inner wall of the insertion slot 10, the movable weight 9 is only supported by the bottom inner wall of the insertion slot 10, the supporting surface is small, and the movable weight 9 is easy to tilt backward when pushed backward, and then artificial effort is needed to keep balance, therefore, the fixed cylinder 6 is provided with a supporting assembly and a positioning assembly.

[0028] The supporting assembly comprises electric guide rails 2 15 which are uniformly and circumferentially arranged on the fixed cylinder 6, the output end of the electric guide rail 2 15 is provided with a supporting rod 16, in order to improve the wear resistance, the top of the supporting rod 16 is provided with a wear-resistant pad 17 which is flush with the bottom inner wall of the insertion slot 10.

[0029] When the movable weight 9 is pushed along the bottom inner wall of the insertion slot 10, the movable weight 9 can be supported by the front supporting rod 16 in the early stage, and can be supported by the rear supporting rod 16 in the later stage, so that artificial effort is not needed to keep balance.

[0030] The clamping assembly comprises a vertically arranged hydraulic telescopic rod 21, a two-way electric guide rail 22 is arranged on the piston rod of the hydraulic telescopic rod 21, and a clamping plate 23 for clamping the hook 5 is arranged at the two side output ends of the two-way electric guide rail 22; the hydraulic telescopic rod 21 adjusts the height of the clamping plate 23, the two-way electric guide rail 22 drives the two clamping plates 23 to move laterally, and the hook 5 can be clamped, so that the adjustable weight mechanism is stably placed.

[0031] The second embodiment is mainly different from the first embodiment in that the positioning assembly vertically penetrates the movable rod 18 at the top of the fixed cylinder 6, the movable rod 18 is provided with a reset spring 19 and an arc-shaped rod 20, the reset spring 19 is connected to the fixed cylinder 6, the arc-shaped rod 20 is located in the placing groove 10, and the inner wall of the arc-shaped rod 20 is flush with the inner wall of the fixed cylinder 6; when the movable weight 9 is pushed to be attached to the inner wall of the fixed cylinder 6, the arc-shaped rod 20 can be pulled down at this time, so that the rear side of the arc-shaped rod 20 is attached to the front side of the movable weight 9, so that the front side of the movable weight 9 is positioned by the arc-shaped rod 20, and the rear side is positioned by the inner wall of the fixed cylinder 6; when the supporting rod 16 is removed, the movable weight 9 can be ensured to move downward along the inner wall of the fixed cylinder 6 without tilting and fall on the buffer pad 14.

[0032] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of each electric appliance are not specifically limited, and conventional equipment can be used; the electric appliance elements in the specification are powered and controlled by the existing technology.

[0033] In use, the hook 5 is symmetrically taken and hung on both sides of the test pipeline 1, then clamped by the clamping assembly, then the corresponding number of movable weights 9 are placed into the fixed cylinder 6 according to the test needs, and the movable weights 9 are pushed into the fixed cylinder 6 along the bottom inner wall of the placing groove 10 and supported by the wear-resistant pad 17 on the supporting rod 16 during the pushing; after the movable weights 9 are pushed into the fixed cylinder 6, the arc-shaped rod 20 is pulled down to position the front side of the movable weight 9, and then the supporting rod 16 is removed by the electric guide rail 15, so that the movable weight 9 is positioned by the arc-shaped rod 20 and the fixed cylinder 6 to ensure that the movable weight 9 slides downward along the inner wall of the fixed cylinder 6; finally, the movable weight 9 falls on the buffer pad 14 at the bottom for buffering and supporting, and when the next movable weight 9 is loaded, the corresponding buffer rod 13 moves into the fixed cylinder 6, so that the above steps are repeated to load the corresponding number of movable weights 9, and the movable weights 9 do not contact each other and do not collide, so that the vertically and stably stacked movable weights 9 can increase the weight to meet the test needs of the test pipeline 1 under external load, while the occupied space is reduced as much as possible; after the test is completed, the movable weights 9 are sequentially dropped from below the fixed cylinder 6.

[0034] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] While the embodiments of the present application have been illustrated 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 spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A mechanical property testing device, characterized by: The utility model provides a kind of adjustable weight mechanism for testing pipe, including test pipe (1) and two columns (2) and two adjustable weight mechanisms, wherein, two adjustable weight mechanisms are symmetrically distributed with midpoint of test pipe (1) as center, and two columns (2) are provided with fixed clamp (3) for clamping test pipe (1) on each. The adjustable weight mechanism includes a fixed weight (4), the top of the fixed weight (4) is provided with a hook (5) hung on the test pipe (1), and the hook (5) is provided with a clamping assembly, the outside of the fixed weight (4) is provided with a fixed cylinder (6), the outside of the fixed cylinder (6) is uniformly provided with a through slot (7) and an electric guide rail (8), the output end of the electric guide rail (8) is provided with a buffer assembly, and the buffer assemblies of the same height are placed with the movable weight (9) connected with the inner wall of the fixed cylinder (6), the front side of the fixed cylinder (6) is provided with a fan-shaped insertion slot (10), and the movable weight (9) is located below the insertion slot (10).

2. The mechanical property testing device of claim 1, wherein: The buffer assembly includes a base (11) provided on the output end of the electric guide rail (8), the inside of the base (11) is provided with a buffer spring (12), the buffer spring (12) is provided with a buffer rod (13) slidingly connected to the base (11), the top of the buffer rod (13) is provided with a buffer pad (14) in contact with the movable weight (9), and the base (11), buffer rod (13) and buffer pad (14) are located in the through slot (7).

3. The mechanical property testing device of claim 1, wherein: The fixed cylinder (6) is provided with a supporting assembly and a positioning assembly.

4. The mechanical property testing device of claim 3, wherein: The supporting assembly includes an electric guide rail (15) uniformly arranged on the fixed cylinder (6), the output end of the electric guide rail (15) is provided with a supporting rod (16), the top of the supporting rod (16) is provided with a wear-resistant pad (17), and the wear-resistant pad (17) is flush with the bottom inner wall of the insertion slot (10).

5. The mechanical property testing device of claim 3, wherein: The positioning assembly includes a movable rod (18) vertically penetrating the top of the fixed cylinder (6), the movable rod (18) is provided with a return spring (19) and an arc-shaped rod (20), the return spring (19) is connected to the fixed cylinder (6), and the arc-shaped rod (20) is located in the insertion slot (10), and the inner wall of the arc-shaped rod (20) is flush with the inner wall of the fixed cylinder (6).

6. The mechanical property testing device of claim 1, wherein: The clamping assembly includes a vertically arranged hydraulic telescopic rod (21), the piston rod of the hydraulic telescopic rod (21) is provided with a bidirectional electric guide rail (22), and the two side output ends of the bidirectional electric guide rail (22) are provided with a clamping plate (23) for clamping the hook (5).

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