Reinforced concrete durability environmental simulation device

Abstract

The application provides a reinforced concrete durability environment simulation device, which comprises a sealed chamber, a ring body to be tested arranged in the sealed chamber, a feeding pipe and a spraying member, the feeding pipe is rotatably arranged in the sealed chamber around a central axis, the spraying member is communicated with an inner cavity of the feeding pipe, so that external liquid is sprayed on a circumferential inner wall of the ring body to be tested through the feeding pipe and the spraying member, and a rolling component, the rolling component comprises a first transmission rod, a connecting shaft and two wheels, a first end of the first transmission rod is in transmission connection with the connecting shaft, a second end of the first transmission rod is in transmission connection with the feeding pipe, the connecting shaft extends in a vertical direction, and the two wheels are arranged at two ends of the connecting shaft respectively, so that the feeding pipe drives each wheel to roll in contact with the circumferential inner wall of the ring body to be tested with a preset acting force through the first transmission rod. The application solves the problem of low accuracy of durability test results of the environment simulation device in the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of reinforced concrete durability environment simulation, in particular to a reinforced concrete durability environment simulation device. BACKGROUND

[0002] Reinforced concrete durability environment simulation is a complex process involving multiple aspects, which aims to simulate the performance degradation of reinforced concrete in real environment under laboratory conditions to evaluate its durability and service life.

[0003] The current environment simulation device is to place the concrete test piece in the simulated natural environment for durability test, but in actual use, the reinforced concrete member needs to bear a large weight, for example, the reinforced concrete pavement needs to not only face the challenge of natural environment, but also needs to face the challenge of long-term rolling of vehicles, and the long-term rolling of vehicles will have a great impact on the durability of the reinforced concrete member, but the current environment simulation device cannot simulate this environment, resulting in low accuracy of the durability test result of the environment simulation device. SUMMARY

[0004] The main purpose of the present application is to provide a reinforced concrete durability environment simulation device to solve the problem of low accuracy of the durability test result of the environment simulation device in the prior art.

[0005] In order to achieve the above purpose, the present application provides a reinforced concrete durability environment simulation device, which comprises: a sealed chamber, the sealed chamber is a cylindrical structure closed at the top and bottom, a test ring to be tested is arranged in the sealed chamber, the circumferential side wall of the test ring to be tested is attached to the circumferential inner wall of the sealed chamber, and the axis of the test ring to be tested is arranged coincidentally with the axis of the sealed chamber; a feeding pipe and a spraying member, the feeding pipe is rotatably arranged in the sealed chamber around the central axis, the central axis of the feeding pipe is arranged coincidentally with the axis of the test ring to be tested, the circumferential side wall of the feeding pipe is connected with the spraying member, and the spraying member is in communication with the inner cavity of the feeding pipe, so that the external liquid is sprayed onto the circumferential inner wall of the test ring to be tested through the feeding pipe and the spraying member; a rolling component, the rolling component comprises a first transmission rod, a connecting shaft and two wheels, the first transmission rod extends along the radial direction of the test ring to be tested, the first end of the first transmission rod is in transmission connection with the connecting shaft, and the second end of the first transmission rod is in transmission connection with the feeding pipe, the connecting shaft extends along the vertical direction, and the two wheels are arranged at the two ends of the connecting shaft, so that the feeding pipe drives each wheel to roll in contact with the circumferential inner wall of the test ring to be tested with a predetermined acting force through the first transmission rod.

[0006] Further, the rolling component further comprises a fixed sleeve, the first transmission rod and the fixed sleeve are in sliding connection, the fixed sleeve is connected with the circumferential side wall of the feeding pipe, the first transmission rod is movably arranged along the extension direction of the first transmission rod, so as to adjust the distance between each wheel and the feeding pipe in the extension direction of the first transmission rod, and to adjust the preset acting force.

[0007] Further, the rolling component further comprises a second transmission rod, a first transmission block, the second transmission rod is arranged in the fixed sleeve, one end of the second transmission rod is connected with the feeding pipe, the other end of the second transmission rod is in transmission connection with one end of the first transmission block, the other end of the first transmission block is in transmission connection with the second end of the first transmission rod, the first transmission block extends along the extension direction of the first transmission rod, and the height of the first transmission block in the vertical direction is adjustably arranged, so as to make the first transmission rod move along the extension direction of the first transmission rod.

[0008] Further, the rolling component further comprises a second transmission block, a third transmission block and a first screw rod, the second transmission block and the third transmission block are arranged on the two sides of the first transmission block respectively, the extension direction of the second transmission block and the extension direction of the third transmission block are both inclined at a preset angle relative to the extension direction of the first transmission block; the two ends of the third transmission block are respectively hinged with one end of the first transmission block and the other end of the second transmission rod, the two ends of the second transmission block are respectively hinged with the other end of the first transmission block and the second end of the first transmission rod, and the first screw rod is arranged on the first transmission block, so as to adjustably arrange the height of the first transmission block in the vertical direction by rotating the first screw rod.

[0009] Further, the rolling component further comprises a spring steel plate and two third transmission rods, each third transmission rod is in rotation connection with the connecting shaft, the two ends of the spring steel plate are respectively connected with the two third transmission rods, and the middle part of the spring steel plate is protruded and connected with the first end of the first transmission rod, so as to make the spring steel plate elastically deform and be full of elastic force by the movement of the first transmission rod in the direction close to the connecting shaft, and the elastic force of the spring steel plate acts on the connecting shaft.

[0010] Further, the rolling component further comprises two first connecting plates and two first sliding sleeves, the two first connecting plates and the two first sliding sleeves are arranged one by one in correspondence, the two first sliding sleeves and the two third transmission rods are arranged one by one in correspondence, one end of each first connecting plate is connected with the circumferential outer wall of the first transmission rod, the other end of each first connecting plate is connected with the corresponding first sliding sleeve, and each first sliding sleeve is slidably sleeved on the corresponding third transmission rod.

[0011] Further, the reinforced concrete durability environment simulation device further comprises an arc-shaped plate, the arc-shaped plate is arranged in the sealed chamber, the arc-shaped plate has a first end and a second end, and the distance between the inner wall of the arc-shaped plate and the circumferential inner wall of the ring body to be tested gradually increases from the first end to the second end; the rolling component further comprises a roller, the roller and any one of the two third transmission rods are rotationally connected, and the roller is in rolling contact with the inner wall of the arc-shaped plate from the first end to the second end through the third transmission rod, so that the elastic force of the spring plate gradually increases, and the preset force increases after the roller separates from the second end of the arc-shaped plate; wherein the axis extension direction of the roller is parallel to the axis extension direction of the feeding pipe.

[0012] Further, the first end of the arc-shaped plate is rotationally connected with the top wall of the sealed chamber, and the reinforced concrete durability environment simulation device further comprises a threaded sleeve, a second screw and an adjusting block, the threaded sleeve is arranged on the circumferential inner wall of the sealed chamber and the ring body to be tested, the second screw is threadedly connected with the threaded sleeve, one end of the adjusting block is rotationally connected with the second screw, and the other end of the adjusting block is drivingly connected with the second end of the arc-shaped plate, so that the second screw drives the adjusting block to move by rotating the second screw, and the distance between the second end of the arc-shaped plate and the circumferential inner wall of the ring body to be tested is adjusted.

[0013] Further, the reinforced concrete durability environment simulation device further comprises a hinged block, two ends of the hinged block are respectively hingedly connected with the other end of the adjusting block and the second end of the arc-shaped plate; the bottom surface height of the hinged block and the bottom surface height of the adjusting block are both greater than the top surface height of the arc-shaped plate, and the height of the roller axial top wall is less than the top surface height of the arc-shaped plate.

[0014] Further, the reinforced concrete durability environment simulation device further comprises a shunt pipe, the shunt pipe extends in the vertical direction, the circumferential side wall of the shunt pipe is connected with the circumferential side wall of the feeding pipe, and the inner cavity of the shunt pipe is arranged in communication with the inner cavity of the feeding pipe; the plurality of spray members are arranged on the shunt pipe in the vertical direction, and each spray member is arranged in communication with the inner cavity of the shunt pipe.

[0015] The application discloses a reinforced concrete durability environment simulation device, which comprises a sealed chamber, a feeding pipe, a spraying part and a rolling part. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings constituting a part of the specification of the application are used to provide further understanding of the application, the illustrative embodiments of the application and the description thereof are used to explain the application, and do not constitute improper limitation on the application. In the drawings:

[0017] Figure 1 An internal structure schematic view of the reinforced concrete durability environment simulation device according to the application is shown from one angle;

[0018] Figure 2 A structure schematic view of mechanical sealing, the feeding pipe, the feeding pipe, the shunt pipe, the spraying part, the communication pipe and the rolling part of the reinforced concrete durability environment simulation device according to the application is shown;

[0019] Figure 3 A structure schematic view of the first driving block, the second driving block, the third driving block, the first screw rod, the first driving rod and the second driving rod of the reinforced concrete durability environment simulation device according to the application is shown;

[0020] Figure 4 A local structure schematic view of the rolling part of the reinforced concrete durability environment simulation device according to the application is shown;

[0021] Figure 5 An internal structure schematic view of the reinforced concrete durability environment simulation device according to the application is shown from another angle;

[0022] Figure 6 A side view structure schematic view of the feeding pipe of the reinforced concrete durability environment simulation device according to the application is shown;

[0023] Figure 7A structural schematic diagram of an embodiment of a reinforced concrete durability environment simulation device according to the present application is shown.

[0024] Figure 8 A structural schematic diagram of an embodiment of a reinforced concrete durability environment simulation device according to the present application is shown. Figure 5 A partial enlarged schematic view at A in the above figure.

[0025] Wherein, the above figures include the following reference signs:

[0026] 32, feeding pipe; 13, bottom wall; 11, circumferential side wall; 12, top wall; 33, mechanical seal; 34, sealing bearing; 35, communication pipe; 1, sealing chamber; 2, ring body to be tested; 31, feeding pipe; 37, spraying member; 412, first transmission rod; 42, connecting shaft; 43, wheel; 411, fixing sleeve; 422, second transmission rod; 413, first transmission block; 414, second transmission block; 417, third transmission block; 415, first screw rod; 45, spring steel plate; 44, third transmission rod; 46, first connecting plate; 47, first sliding sleeve; 51, arc plate; 54, threaded sleeve; 53, second screw rod; 52, adjusting block; 55, hinged block; 56, roller; 36, shunt pipe; 4111, housing; 4112, second sliding sleeve; 511, pin shaft; 57, support; 35, communication pipe. DETAILED DESCRIPTION

[0027] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments consistent with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0028] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples are not intended to limit the scope of the present application unless otherwise specifically stated. It will be further understood that the drawings, which are included for the purpose of explanation only, show certain particulars of the exemplary constructions as presently disclosed. It will thus be appreciated that those skilled in the art will be able to devise various arrangements that, although not explicitly described or shown herein, embody the principles of the application and, as such, within the spirit and scope of the application. In addition, throughout this specification, the

[0029] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.

[0030] Please refer to Figures 1 to 8 The present application provides a kind of reinforced concrete durability environment simulation device, comprising: sealed chamber 1, sealed chamber 1 is the cylindrical structure of upper and lower airtight, and the ring body to be tested 2 is arranged in sealed chamber 1, and the circumferential side wall of the ring body to be tested 2 and the circumferential inner wall of sealed chamber 1 are attached, and the axis of the ring body to be tested 2 and the axis of sealed chamber 1 are coincidently arranged;Feed pipe 31 and spray member 37, feed pipe 31 is rotatably arranged in sealed chamber 1 around its central axis, and the central axis of feed pipe 31 and the axis of the ring body to be tested 2 are coincidently arranged, and the circumferential side wall of feed pipe 31 and spray member 37 are connected, and spray member 37 and the inner cavity of feed pipe 31 are communicated, so that external liquid is sprayed on the circumferential inner wall of the ring body to be tested 2 by feed pipe 31 and spray member 37;Rolling component, rolling component includes first transmission rod 412, connecting shaft 42 and two wheels 43, first transmission rod 412 extends along the radial direction of the ring body to be tested 2, and the first end of first transmission rod 412 is drivingly connected with connecting shaft 42, and the second end of first transmission rod 412 is drivingly connected with feed pipe 31, connecting shaft 42 extends along vertical direction, and two wheels 43 are respectively arranged at both ends of connecting shaft 42, so that feed pipe 31 drives each wheel 43 to be in rolling contact with the circumferential inner wall of the ring body to be tested 2 with preset acting force by first transmission rod 412.

[0031] The reinforced concrete durability environment simulation device comprises a sealing chamber 1, a feeding pipe 31, a spraying part 37 and a rolling part, the circumferential side wall of the ring body 2 to be tested and the circumferential inner wall of the sealing chamber 1 are attached, and the rolling part comprises a first transmission rod 412, a connecting shaft 42 and two wheels 43. The external liquid is sprayed on the circumferential inner wall of the ring body 2 to be tested through the feeding pipe 31 and the spraying part 37, so as to truly simulate the natural environment in which the ring body 2 to be tested is located; the first transmission rod 412 is driven to rotate around the axis of the feeding pipe 31 through the feeding pipe 31, so that each wheel 43 is driven to cyclically roll in contact with the circumferential inner wall of the ring body 2 to be tested with a preset acting force, and the circumferential inner wall of the ring body 2 to be tested can provide a complete and continuous rolling path for each wheel 43, so as to simulate the use condition that the ring body 2 to be tested is long-term rolled by the wheels, so that a more real use environment of the ring body 2 to be tested can be simulated, thereby solving the problem of low accuracy of the durability test result of the environment simulation device in the prior art, and improving the accuracy of the durability test.

[0032] Specifically, since the sealing chamber 1 is a cylindrical structure closed in the up-down direction, the ring body 2 to be tested will not affect the external environment during the durability test; the feeding pipe 31 only needs to rotate around the ring body 2 to be tested, so that each wheel 43 cyclically rolls in contact with the circumferential inner wall of the ring body 2 to be tested with a preset acting force, so that the cost of the durability test of the ring body 2 to be tested is low.

[0033] Specifically, the reinforced concrete durability environment simulation device further comprises a feeding pipe 32, the feeding pipe 31 and the feeding pipe 32 can be made of stainless steel or the like, the axis of the feeding pipe 31 and the axis of the feeding pipe 32 are arranged to coincide with the axis of the sealing chamber 1, one end of the feeding pipe 31 penetrates the top wall 12 of the sealing chamber 1, and the feeding pipe 31 is rotationally connected to the top wall 12 of the sealing chamber 1 through a sealing bearing 34. The feeding pipe 31 is in rotational sealing communication with the feeding pipe 32 through a mechanical seal 33, and in actual work, the external liquid enters the feeding pipe 31 through the feeding pipe 32 and is then sprayed to the circumferential inner wall of the ring body 2 to be tested through the spraying part 37.

[0034] Specifically, the spraying part 37 is a spray head; the external liquid comprises fresh water or acid water or alkaline water; the ring body 2 to be tested is a reinforced concrete member; the sealing chamber 1 can also be used for baking the ring body 2 to be tested to simulate a baking environment or the like.

[0035] Specifically, the sealing chamber 1 comprises a top wall 12, a bottom wall 13 and a circumferential side wall 11, and the top wall 12 and the bottom wall 13 are connected to the two sides of the circumferential side wall 11 along the axial direction of the sealing chamber 1.

[0036] In the embodiment, the rolling component further comprises a fixing sleeve 411, the first transmission rod 412 is slidably connected with the fixing sleeve 411, the fixing sleeve 411 is connected with the circumferential side wall of the feeding pipe 31, and the first transmission rod 412 is movably arranged along the extension direction of the first transmission rod 412 to adjust the distance between each wheel 43 and the feeding pipe 31 in the extension direction of the first transmission rod 412, so as to adjust the preset force.

[0037] Specifically, the fixing sleeve 411 is used to connect the first transmission rod 412 and the feeding pipe 31, so that the first transmission rod 412 and the feeding pipe 31 are drivingly connected, so that the feeding pipe 31 can drive the first transmission rod 412, the connecting shaft 42 and the two wheels 43 to rotate; meanwhile, at least part of the first transmission rod 412 is movably arranged in the fixing sleeve 411, so that the distance between the connecting shaft 42 and the feeding pipe 31 in the extension direction of the first transmission rod 412 changes, and then the preset force of each wheel 43 to the circumferential inner wall of the ring body 2 to be tested changes.

[0038] Specifically, when the distance between the connecting shaft 42 and the feeding pipe 31 in the extension direction of the first transmission rod 412 increases, the pressure, i.e., the preset force, of each wheel 43 to the circumferential inner wall of the ring body 2 to be tested increases; when the distance between the connecting shaft 42 and the feeding pipe 31 in the extension direction of the first transmission rod 412 decreases, the pressure, i.e., the preset force, of each wheel 43 to the circumferential inner wall of the ring body 2 to be tested increases.

[0039] In the embodiment, the rolling component further comprises a second transmission rod 422 and a first transmission block 413, the second transmission rod 422 is arranged in the fixing sleeve 411, one end of the second transmission rod 422 is connected with the feeding pipe 31, the other end of the second transmission rod 422 is drivingly connected with one end of the first transmission block 413, the other end of the first transmission block 413 is drivingly connected with the second end of the first transmission rod 412, the first transmission block 413 extends along the extension direction of the first transmission rod 412, and the height of the first transmission block 413 in the vertical direction is adjustably arranged to enable the first transmission rod 412 to move along the extension direction of the first transmission rod 412.

[0040] Specifically, the first transmission block 413 is used to drivingly connect the second transmission rod 422 and the first transmission rod 412, so that the feeding pipe 31 and the first transmission rod 412 are drivingly connected, so that the feeding pipe 31 can drive the first transmission rod 412, the connecting shaft 42 and the two wheels 43 to rotate; by adjusting the height of the first transmission block 413 in the vertical direction, the first transmission block 413 pulls the first transmission rod 412, so that the first transmission rod 412 can move towards or away from the first transmission block 413, so that the distance between the connecting shaft 42 and the feeding pipe 31 in the extension direction of the first transmission rod 412 changes.

[0041] In the embodiment, the rolling component further comprises a second transmission block 414, a third transmission block 417 and a first screw rod 415, the second transmission block 414 and the third transmission block 417 are respectively arranged on two sides of the first transmission block 413, the extension direction of the second transmission block 414 and the extension direction of the third transmission block 417 are both inclined at a preset angle relative to the extension direction of the first transmission block 413, the two ends of the third transmission block 417 are respectively hinged to one end of the first transmission block 413 and the other end of the second transmission rod 422, the two ends of the second transmission block 414 are respectively hinged to the other end of the first transmission block 413 and the second end of the first transmission rod 412, and the first screw rod 415 is arranged on the first transmission block 413, so that the height of the first transmission block 413 in the vertical direction is adjustably arranged by rotating the first screw rod 415.

[0042] Specifically, the second transmission block 414 is used to connect the first transmission block 413 and the first transmission rod 412, and the third transmission block 417 is used to connect the first transmission block 413 and the second transmission rod 422, so that the two ends of the first transmission block 413 are respectively in transmission connection with the second transmission rod 422 and the first transmission rod 412, and by adjusting the height of the first transmission block 413 in the vertical direction, the first transmission block 413 pulls the first transmission rod 412 through the second transmission block 414, so that the first transmission rod 412 can move towards the direction close to or away from the first transmission block 413.

[0043] Specifically, the fixed sleeve 411 comprises a shell 4111 and two second sliding sleeves 4112, each second sliding sleeve 4112 extends along the extension direction of the first transmission rod 412, the two ends of the shell 4111 are respectively connected with the two second sliding sleeves 4112, and at least part of the second transmission rod 422 and the first transmission rod 412 are movably arranged in the two second sliding sleeves 4112, so that the second sliding sleeve 4112 can guide the first transmission rod 412 to ensure that the first transmission rod 412 moves along the extension direction of the first transmission rod 412, and the shell 4111 is used to accommodate the first transmission block 413, the second transmission block 414 and the third transmission block 417.

[0044] Specifically, the first screw rod 415 is rotatably connected with the bearing and the first transmission block 413, one end of the first screw rod 415 penetrates through the shell 4111, so that the user can rotate the first screw rod 415, when the vertical height of the first screw rod 415 increases, the first transmission rod 412 can move towards the direction close to the first transmission block 413, the distance between the connecting shaft 42 and the feeding pipe 31 in the extension direction of the first transmission rod 412 decreases, so that the pressure, i.e. the preset force, exerted by each wheel 43 on the circumferential inner wall of the ring body 2 to be tested increases; when the vertical height of the first screw rod 415 decreases, the first transmission rod 412 can move away from the first transmission block 413, the distance between the connecting shaft 42 and the feeding pipe 31 in the extension direction of the first transmission rod 412 increases, so that the pressure, i.e. the preset force, exerted by each wheel 43 on the circumferential inner wall of the ring body 2 to be tested decreases.

[0045] In the embodiment, the rolling component further comprises a spring steel plate 45 and two third transmission rods 44, each third transmission rod 44 is rotatably connected with the connecting shaft 42, two ends of the spring steel plate 45 are connected with the two third transmission rods 44 respectively, and the middle part of the spring steel plate 45 is connected with the first end of the first transmission rod 412, so that the spring steel plate 45 is elastically deformed and filled with elastic force by the movement of the first transmission rod 412 along the direction close to the connecting shaft 42, and the elastic force of the spring steel plate 45 acts on the connecting shaft 42.

[0046] Specifically, the third transmission rod 44 is rotatably connected with the connecting shaft 42 through a bearing, and the third transmission rod 44 is used to connect the spring steel plate 45 and the connecting shaft 42, so that the first transmission rod 412 and the connecting shaft 42 are drivingly connected. When the first transmission rod 412 moves along the direction close to the connecting shaft 42, the elastic force generated by the spring steel plate 45 acts on the connecting shaft 42, so that the preset force exerted by each wheel 43 on the circumferential inner wall of the ring body 2 to be tested can be strengthened, and the problem that the preset force is small and the use environment of the ring body 2 to be tested cannot be truly simulated can be avoided.

[0047] In the embodiment, the rolling component further comprises two first connecting plates 46 and two first sliding sleeves 47, the two first connecting plates 46 and the two first sliding sleeves 47 are arranged one by one in correspondence, the two first sliding sleeves 47 and the two third transmission rods 44 are arranged one by one in correspondence, one end of each first connecting plate 46 is connected with the circumferential outer wall of the first transmission rod 412, the other end of each first connecting plate 46 is connected with the corresponding first sliding sleeve 47, and each first sliding sleeve 47 is slidably sleeved on the corresponding third transmission rod 44.

[0048] Specifically, the first connecting plate 46 is used to support the corresponding first sliding sleeve 47, the first sliding sleeve 47 is used to support and guide the third transmission rod 44, so that the third transmission rod 44 can move along the extension direction of the first transmission rod 412.

[0049] In the embodiment, the reinforced concrete durability environment simulation device further comprises an arc-shaped plate 51, the arc-shaped plate 51 is arranged in the sealed chamber 1, the arc-shaped plate 51 has a first end and a second end, and the distance between the inner wall of the arc-shaped plate 51 and the circumferential inner wall of the ring body 2 gradually increases from the first end to the second end; the rolling component further comprises a roller 56, the roller 56 and any one of the two third transmission rods 44 are rotationally connected, and the roller 56 is in rolling contact with the inner wall of the arc-shaped plate 51 from the first end to the second end, so that the elastic force of the spring steel plate 45 gradually increases, and the preset force increases after the roller 56 separates from the second end of the arc-shaped plate 51; wherein the axis extension direction of the roller 56 is parallel to the axis extension direction of the feeding pipe 31.

[0050] Specifically, the distance between the inner wall of the arc-shaped plate 51 and the feeding pipe 31 gradually decreases from the first end to the second end, the roller 56 is driven by the third transmission rod 44 to be in rolling contact with the inner wall of the arc-shaped plate 51 from the first end to the second end, so that the distance between the connecting shaft 42 and the feeding pipe 31 in the extension direction of the first transmission rod 412 gradually decreases, the spring steel plate 45 further shrinks, the elastic force generated by the spring steel plate 45 further increases, and the preset force of the wheel 43 on the ring body 2 increases rapidly after the roller 56 separates from the second end of the arc-shaped plate 51, so that the vibration of the vehicle caused by the uneven surface of the ring body 2 when the vehicle drives on the ring body 2 can be simulated, and the accuracy of the durability test is ensured.

[0051] In the embodiment, the first end of the arc-shaped plate 51 is rotationally connected with the top wall 12 of the sealed chamber 1, and the reinforced concrete durability environment simulation device further comprises a threaded sleeve 54, a second screw rod 53 and an adjusting block 52, the threaded sleeve 54 is arranged on the circumferential inner wall of the sealed chamber 1 and the ring body 2, the second screw rod 53 is threadedly connected with the threaded sleeve 54, one end of the second screw rod 53 and the adjusting block 52 are rotationally connected, and the other end of the adjusting block 52 and the second end of the arc-shaped plate 51 are transmissionally connected, so that the second screw rod 53 drives the adjusting block 52 to move by rotating the second screw rod 53, and the distance between the second end of the arc-shaped plate 51 and the circumferential inner wall of the ring body 2 is adjusted.

[0052] Specifically, the first end of the arc-shaped plate 51 is rotationally connected to the top wall 12 of the sealing chamber 1 through a pin shaft 511, and the threaded sleeve 54 is used to support the second screw rod 53; one end of the second screw rod 53 penetrates through the circumferential inner wall of the ring body 2 and the sealing chamber 1, so that the user can rotate the second screw rod 53, so that the second screw rod 53 drives the adjusting block 52 to move, so that the adjusting block 52 drives the second end of the arc-shaped plate 51 to move, to adjust the distance between the second end of the arc-shaped plate 51 and the circumferential inner wall of the ring body 2, and thus the elastic force released by the spring steel plate 45 instantaneously after the roller 56 separates from the second end of the arc-shaped plate 51 can be changed, so that the preset force applied by each wheel 43 can be changed.

[0053] In the embodiment, the reinforced concrete durability environment simulation device further comprises a hinged block 55, two ends of the hinged block 55 are respectively hinged to the other end of the adjusting block 52 and the second end of the arc-shaped plate 51; the bottom surface height of the hinged block 55 and the bottom surface height of the adjusting block 52 are both greater than the top surface height of the arc-shaped plate 51, and the height of the axial top wall of the roller 56 is less than the top surface height of the arc-shaped plate 51.

[0054] Specifically, the bottom end of the roller 56 is rotationally connected with a support 57, and the bottom end of the support 57 is fixedly connected with the third transmission rod 44.

[0055] Specifically, the hinged block 55 is used for transmission connection between the second end of the arc-shaped plate 51 and the adjusting block 52; by the bottom surface height of the hinged block 55 and the bottom surface height of the adjusting block 52 being both greater than the top surface height of the arc-shaped plate 51, and the height of the axial top wall of the roller 56 being less than the top surface height of the arc-shaped plate 51, it can be prevented that the adjusting block 52 and the hinged block 55 hinder the rolling of the roller 56, and it can be ensured that the roller 56 can roll over the inner arc surface of the arc-shaped plate 51.

[0056] In the embodiment, the reinforced concrete durability environment simulation device further comprises a shunt pipe 36, the shunt pipe 36 extends along the vertical direction, the shunt pipe 36 and the circumferential side wall of the feeding pipe 31 are connected, and the inner cavity of the shunt pipe 36 is arranged in communication with the inner cavity of the feeding pipe 31; the spray members 37 are a plurality of, the plurality of spray members 37 are arranged on the shunt pipe 36 in the vertical direction, and each spray member 37 is arranged in communication with the inner cavity of the shunt pipe 36.

[0057] Specifically, the reinforced concrete durability environment simulation device further comprises a communication pipe 35, two ends of the communication pipe 35 are respectively in communication with the shunt pipe 36 and the feeding pipe 31; wherein the communication pipe 35 is two, the shunt pipe 36 is two, the two shunt pipes 36 are oppositely arranged along the radial direction of the feeding pipe 31, the two shunt pipes 36 and the two communication pipes 35 are arranged in one-to-one correspondence, and a plurality of spray members 37 are arranged on each shunt pipe 36.

[0058] Specifically, the shunt pipe 36 and the communication pipe 35 are used to communicate the feeding pipe 31 and the spraying member 37, so that the external liquid can be sprayed on the circumferential inner wall of the ring body 2 to be tested through the feeding pipe 31, the communication pipe 35, the shunt pipe 36 and the spraying member 37.

[0059] Specifically, the plurality of spraying members 37 can ensure the spraying uniformity of the external liquid.

[0060] In particular implementation, a concrete durability environment simulation method based on the reinforced concrete durability environment simulation device described above, comprising the following steps:

[0061] S1, pumping the external fresh water or acid water or alkali water into the inside of the feeding pipe 31 by using the pump body, so that the external fresh water or acid water or alkali water is sprayed on the circumferential inner wall of the ring body 2 to be tested through the spraying member 37;

[0062] S2, rotating the feeding pipe 31 by using the motor to drive the first transmission rod 412 to rotate, so that the wheels 43 roll on the circumferential inner wall of the ring body 2 to be tested.

[0063] From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:

[0064] The reinforced concrete durability environment simulation device of the present application comprises a sealed chamber 1, a feeding pipe 31, a spraying member 37 and a rolling component, the circumferential side wall of the ring body 2 to be tested is attached to the circumferential inner wall of the sealed chamber 1, and the rolling component comprises a first transmission rod 412, a connecting shaft 42 and two wheels 43. The external liquid is sprayed on the circumferential inner wall of the ring body 2 to be tested through the feeding pipe 31 and the spraying member 37, so as to simulate the natural environment in which the ring body 2 to be tested is located; the first transmission rod 412 is driven to rotate around the axis of the feeding pipe 31 through the feeding pipe 31, so that the first transmission rod 412 drives each wheel 43 to cyclically roll in contact with the circumferential inner wall of the ring body 2 to be tested with a predetermined acting force, and the circumferential inner wall of the ring body 2 to be tested can provide a complete and continuous rolling path for each wheel 43, so as to simulate the use condition that the ring body 2 to be tested is long-term rolled by the wheels, so that a more realistic use environment of the ring body 2 to be tested can be simulated, thereby solving the problem of low accuracy of the durability test result of the environment simulation device in the prior art, and improving the accuracy of the durability test.

[0065] For purposes of the description hereinafter, the terms "upper", "lower", "right", "left", "rear", "front", "vertical" and "horizontal" as can be perceived herein relative to the accompanying drawings refer to the orientation of the components being described. However, it is to be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device described herein relative to the other device or structure is inverted, then a spatially relative term such as "above" can be interpreted as meaning "below" or "below" can be interpreted as meaning "above". The device can also be oriented in other ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0066] In addition, it should be pointed out that the use of "first", "second" and the like words to define parts, only for the convenience of the corresponding parts to be distinguished, as no further declaration, the above words have no special meaning, therefore can not be understood as limiting the scope of the present application.

[0067] The above only the preferred embodiments of the present application, and is not intended to limit the present application, for those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A reinforced concrete durability environmental simulation device characterized by, The utility model relates to a kind of test device of ring body, including: Sealing chamber (1), the sealing chamber (1) is closed cylindrical structure up and down, to be tested ring body (2) is arranged in the sealing chamber (1), the circumferential side wall of the to be tested ring body (2) and the circumferential inner wall of the sealing chamber (1) are attached, the axis of the to be tested ring body (2) and the axis of the sealing chamber (1) are coincidently arranged; Feed pipe (31) and spray part (37), the feed pipe (31) is rotatably arranged in the sealing chamber (1) around its central axis, the central axis of the feed pipe (31) and the axis of the to be tested ring body (2) are coincidently arranged, the circumferential side wall of the feed pipe (31) and the spray part (37) are connected, the spray part (37) and the inner cavity of the feed pipe (31) are communicated, so that external liquid is sprayed on the circumferential inner wall of the to be tested ring body (2) by the feed pipe (31) and spray part (37); Rolling component, the rolling component includes first transmission rod (412), connecting shaft (42) and two wheels (43), the first transmission rod (412) extends along the radial direction of the to be tested ring body (2), the first end of the first transmission rod (412) is drivingly connected with the connecting shaft (42), the second end of the first transmission rod (412) is drivingly connected with the feed pipe (31), the connecting shaft (42) extends along vertical direction, two the wheels (43) are respectively arranged at both ends of the connecting shaft (42), so that the feed pipe (31) drives each the wheel (43) to be in rolling contact with the circumferential inner wall of the to be tested ring body (2) with preset acting force by the first transmission rod (412); The rolling component further includes spring steel plate (45) and two third transmission rods (44), each the third transmission rod (44) is rotatably connected with the connecting shaft (42), two ends of the spring steel plate (45) are respectively connected with two the third transmission rods (44), the middle part of the spring steel plate (45) is protruded and connected with the first end of the first transmission rod (412), to move in the direction close to the connecting shaft (42) by the first transmission rod (412), so that the spring steel plate (45) is elastically deformed and filled with elastic force, so that the elastic force of the spring steel plate (45) acts on the connecting shaft (42); The reinforced concrete durability environment simulation device further comprises an arc-shaped plate (51) arranged in the sealed chamber (1), the arc-shaped plate (51) has a first end and a second end, and the distance between the inner wall of the arc-shaped plate (51) and the circumferential inner wall of the ring body (2) gradually increases from the first end to the second end; the rolling component further comprises a roller (56), the roller (56) and any one of the third transmission rods (44) are rotationally connected, and the roller (56) is in rolling contact with the inner wall of the arc-shaped plate (51) through the third transmission rod (44) from the first end to the second end, so that the elastic force of the spring plate (45) gradually increases, and the preset force increases after the roller (56) separates from the second end of the arc-shaped plate (51); wherein the axis extension direction of the roller (56) is arranged in parallel with the axis extension direction of the feeding pipe (31).

2. The reinforced concrete durability environmental simulation apparatus according to claim 1, characterized by, The rolling component further comprises a fixed sleeve (411), the first transmission rod (412) and the fixed sleeve (411) are slidingly connected, the fixed sleeve (411) is connected with the circumferential side wall of the feeding pipe (31), and the first transmission rod (412) is movably arranged along the extension direction of the first transmission rod (412) to adjust the distance between each wheel (43) and the feeding pipe (31) in the extension direction of the first transmission rod (412), so as to adjust the preset force.

3. The reinforced concrete durability environmental simulation apparatus according to claim 2, characterized by, The rolling component further comprises a second transmission rod (422), a first transmission block (413), the second transmission rod (422) is arranged in the fixed sleeve (411), one end of the second transmission rod (422) is connected with the feeding pipe (31), the other end of the second transmission rod (422) is transmissionally connected with one end of the first transmission block (413), the other end of the first transmission block (413) is transmissionally connected with the second end of the first transmission rod (412), the first transmission block (413) extends along the extension direction of the first transmission rod (412), and the height of the first transmission block (413) in the vertical direction is adjustably arranged to enable the first transmission rod (412) to move along the extension direction of the first transmission rod (412).

4. The reinforced concrete durability environmental simulation apparatus according to claim 3, characterized by, The rolling component further comprises a second transmission block (414), a third transmission block (417) and a first screw rod (415), the second transmission block (414) and the third transmission block (417) are arranged on the two sides of the first transmission block (413) respectively, the extension direction of the second transmission block (414) and the extension direction of the third transmission block (417) are both inclined at a preset angle with respect to the extension direction of the first transmission block (413); Two ends of the third transmission block (417) are respectively hinged with one end of the first transmission block (413) and the other end of the second transmission rod (422), two ends of the second transmission block (414) are respectively hinged with the other end of the first transmission block (413) and the second end of the first transmission rod (412), and the first screw rod (415) is arranged on the first transmission block (413) to adjust the height of the first transmission block (413) in the vertical direction by rotating the first screw rod (415).

5. The reinforced concrete durability environmental simulation apparatus according to claim 1, characterized by, The rolling component further comprises two first connecting plates (46) and two first sliding sleeves (47), the two first connecting plates (46) and the two first sliding sleeves (47) are arranged one by one in correspondence, the two first sliding sleeves (47) and the two third transmission rods (44) are arranged one by one in correspondence, one end of each first connecting plate (46) is connected with the circumferential outer wall of the first transmission rod (412), the other end of each first connecting plate (46) is connected with the corresponding first sliding sleeve (47), and each first sliding sleeve (47) is slidably sleeved on the corresponding third transmission rod (44).

6. The reinforced concrete durability environmental simulation apparatus according to claim 1, characterized by, The first end of the arc-shaped plate (51) is rotationally connected with the top wall (12) of the sealing chamber (1), and the reinforced concrete durability environment simulation device further comprises a threaded sleeve (54), a second screw rod (53) and an adjusting block (52), the threaded sleeve (54) is arranged on the circumferential inner wall of the sealing chamber (1) and the to-be-tested ring body (2), the second screw rod (53) is threadedly connected with the threaded sleeve (54), the second screw rod (53) is rotationally connected with one end of the adjusting block (52), and the other end of the adjusting block (52) is transmissionally connected with the second end of the arc-shaped plate (51), so that the distance between the second end of the arc-shaped plate (51) and the circumferential inner wall of the to-be-tested ring body (2) is adjusted by rotating the second screw rod (53) to drive the adjusting block (52) to move.

7. The reinforced concrete durability environmental simulation apparatus according to claim 6, characterized by, The reinforced concrete durability environment simulation device further comprises a hinge block (55), two ends of the hinge block (55) are respectively hinged with the other end of the adjusting block (52) and the second end of the arc-shaped plate (51). The height of the bottom surface of the hinge block (55) and the height of the bottom surface of the adjusting block (52) are greater than the height of the top surface of the arc-shaped plate (51), and the height of the axial top wall of the roller (56) is less than the height of the top surface of the arc-shaped plate (51).

8. The reinforced concrete durability environmental simulation apparatus according to claim 1, characterized by, The reinforced concrete durability environment simulation device further comprises a shunt pipe (36), the shunt pipe (36) extends along the vertical direction, the shunt pipe (36) is connected with the circumferential side wall of the feeding pipe (31), and the inner cavity of the shunt pipe (36) is arranged in communication with the inner cavity of the feeding pipe (31). The reinforced concrete durability environment simulation device further comprises a plurality of spray members (37), the plurality of spray members (37) are arranged on the shunt pipe (36) in the vertical direction, and each spray member (37) is arranged in communication with the inner cavity of the shunt pipe (36).

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