Environmental simulation device for concrete

Abstract

The application provides an environment simulation device for concrete, and belongs to the technical field of environment simulation devices.The environment simulation device comprises a support, a test box, an opening and closing plate, a driving assembly, a plurality of interval plates and a plurality of ultraviolet lamps.The test box is fixed on the support, and the lower end of the test box is an open end.The opening and closing plate is located below the test box and is connected to the support in a sliding mode along the vertical direction.The driving assembly is used for driving the opening and closing plate to slide.The plurality of interval plates are connected to the opening and closing plate, and the ultraviolet lamps are fixed on the top wall of the test box.The environment simulation device for concrete can avoid the problem that the existing environment simulation device cannot simultaneously simulate a plurality of intensity ultraviolet irradiation environments.

Description

Technical Field

[0001] This invention belongs to the field of environmental simulation device technology, and more specifically, relates to an environmental simulation device for concrete. Background Technology

[0002] The environment affects the durability and mechanical properties of concrete, requiring environmental simulation devices for research. Currently, ultraviolet (UV) radiation environments are typically simulated by installing UV lamps inside a test chamber; however, UV intensity varies across different regions. Existing environmental simulation devices can only simulate UV radiation of a single intensity, limiting their applicability. Summary of the Invention

[0003] The purpose of this invention is to provide an environmental simulation device for concrete, which aims to solve the problem that existing environmental simulation devices cannot simultaneously simulate ultraviolet radiation environments of multiple intensities.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: An environmental simulation device for concrete is provided, comprising a support, a test chamber, an opening and closing plate, a driving assembly, multiple partition plates, and multiple ultraviolet lamps. The test chamber is fixed on the support, with its lower end being an open end. The opening and closing plate is located below the test chamber and is slidably connected to the support in a vertical direction, enabling the opening and closing plate to open and close the lower end of the test chamber. The driving assembly is used to drive the opening and closing plate to slide. Multiple partition plates are connected to the opening and closing plate, and are spaced apart along a first horizontal direction. The partition plates are perpendicular to the first horizontal direction. When the opening and closing plate slides upward, the partition plates can slide into the test chamber. When the opening and closing plate closes the lower end of the test chamber, the multiple partition plates divide the interior of the test chamber into multiple test chambers. Multiple ultraviolet lamps correspond one-to-one with the multiple test chambers, and are located within their respective test chambers. The ultraviolet lamps are fixed to the top wall of the test chamber.

[0005] In one possible implementation, the environmental simulation device for concrete further includes a rectangular frame. The rectangular frame is horizontally positioned and fixed to the bottom surface of the opening and closing plate.

[0006] In one possible implementation, the environmental simulation device for concrete further includes a rotating assembly and an extrusion column. The rotating assembly is rotatably connected to the test chamber, and its axis of rotation is arranged along the first horizontal direction. The extrusion column is connected to the rotating assembly. Specifically, when the rotating assembly is in the first position, the extrusion column is vertical and located directly above the test chamber; when the rotating assembly is in the second position, the extrusion column is vertical and located directly below the test chamber.

[0007] In one possible implementation, the rotating assembly includes a connecting rod and two rotating rods. The connecting rod is arranged along the first horizontal direction. The two rotating rods are respectively located on both sides of the test chamber along the length of the connecting rod. The rotating rods are rotatably connected to the test chamber, and their axes of rotation are arranged along the first horizontal direction. The rotating rods are detachably connected to the connecting rod. The extrusion column is fixedly connected to the connecting rod. When the rotating assembly is in the first position, the connecting rod is directly above the test chamber, and the extrusion column can be located below the connecting rod and abut against the top wall of the test chamber. When the rotating assembly is in the second position, the extrusion column can be located below the connecting rod.

[0008] In one possible implementation, the rotating assembly further includes disassembly rods and two disassembly bolts. There are two disassembly rods, parallel to the connecting rods, each slidably passing through one of the two rotating rods and the connecting rod. Each disassembly rod has a threaded hole, and the axis of the threaded hole is perpendicular to the disassembly rod. The two disassembly bolts pass through the two rotating rods and are threaded into the two threaded holes.

[0009] In one possible implementation, the partition plate is configured as separate parts, each including a sliding portion in the middle and two fixed portions located on either side of the sliding portion. Both fixed portions are fixed to the opening / closing plate, and the sliding portion slides through the opening / closing plate. The environmental simulation device for concrete further includes a locking assembly. The locking assembly is used to lock or unlock the sliding portion to the opening / closing plate. When the sliding portion slides away from the opening / closing plate, the disassembled connecting rod can slide through between the two fixed portions in the same partition plate.

[0010] In one possible implementation, the locking assembly includes a limiting shaft and a limiting nut. The limiting shaft is disposed along the first horizontal direction, and the sliding portion is slidably sleeved on the limiting shaft. The limiting shaft has an outwardly protruding limiting portion on its side, and the limiting shaft is provided with an external thread. The limiting portion abuts against one of the outer sides of the rectangular frame. The limiting nut is threaded onto the external thread, and the limiting nut abuts against the outer side of the rectangular frame away from the limiting portion.

[0011] In one possible implementation, the environmental simulation device for concrete further includes two connecting shafts. The two connecting shafts are located on opposite sides of the test chamber relative to the two rotating rods. The connecting shafts are arranged along the rotation axis of the rotating rods and are fixedly connected to the test chamber. The sidewalls of the connecting shafts have annular grooves. The rotating rods are rotatably fitted into the annular grooves on the same side.

[0012] In one possible implementation, the bracket has two parallel support rods located below the rectangular frame and spaced apart along the first horizontal direction. The support rods are horizontally arranged and perpendicular to the first horizontal direction. At least one sliding shaft is slidably passed through the support rod, and the sliding shaft is fixedly connected to the opening and closing plate.

[0013] In one possible implementation, the bracket has a horizontally positioned fixed plate located below the two supporting rods, the drive assembly is fixed to the fixed plate and has a piston rod capable of vertical extension and retraction, and the environmental simulation device for concrete includes a fixing block. The fixing block is fixed to the bottom surface of the opening and closing plate and slidably sleeved outside the limiting shaft, and the fixing block is fixedly connected to the piston rod of the drive assembly.

[0014] In this embodiment, after the drive assembly drives the opening and closing plate to slide downward to a suitable position, multiple concrete test blocks are placed on the opening and closing plate. Each concrete test block corresponds to one of the multiple test chambers. Then, the drive assembly drives the opening and closing plate to slide upward until the opening and closing plate closes the lower end of the test chamber. At this time, multiple partition plates slide into the test chamber and divide the test chamber into multiple test chambers. Multiple concrete test blocks are located in their respective test chambers. Each test chamber is equipped with an ultraviolet lamp. The ultraviolet lamps can emit ultraviolet light of different intensities, so that different intensities of ultraviolet irradiation environment can be simulated in each test chamber. Therefore, the problem that existing environmental simulation devices cannot simulate multiple intensities of ultraviolet irradiation environment at the same time can be avoided. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is an isometric sectional view of the environmental simulation device for concrete provided in an embodiment of the present invention when the rotating component is in the first position.

[0017] Figure 2 for Figure 1 A magnified structural diagram of part A in the diagram;

[0018] Figure 3 This is an isometric structural diagram of the environmental simulation device for concrete provided in an embodiment of the present invention when the rotating component is in the second position.

[0019] Figure 4 A schematic diagram of the isometric sectional view of the rotating component in the environmental simulation device for concrete provided in an embodiment of the present invention.

[0020] Figure 5 for Figure 4 A magnified structural diagram of part B in the diagram;

[0021] Figure 6 A schematic diagram of the isometric structure of the connecting shaft in the environmental simulation device for concrete provided in an embodiment of the present invention;

[0022] Figure 7 This is an isometric structural diagram of the locking component and the rectangular frame in the environmental simulation device for concrete provided in an embodiment of the present invention.

[0023] In the diagram: 1. Bracket; 11. Support rod; 12. Fixing plate; 2. Test chamber; 21. Test cavity; 3. Opening and closing plate; 4. Drive assembly; 5. Partition plate; 51. Sliding part; 52. Fixing part; 6. Ultraviolet lamp; 7. Rectangular frame; 8. Rotating assembly; 81. Connecting rod; 82. Rotating rod; 83. Disassembly rod; 831. Threaded hole; 84. Disassembly bolt; 9. Extrusion column; 10. Locking assembly; 101. Limiting shaft; 1011. Limiting part; 102. Limiting nut; 110. Connecting shaft; 1101. Annular groove; 120. Sliding shaft; 130. Fixing block. Detailed Implementation

[0024] To make the technical problems, solutions, and beneficial effects of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0025] Please refer to the following: Figure 1 and Figure 3The present invention will now describe the environmental simulation device for concrete. The environmental simulation device for concrete includes a support 1, a test chamber 2, an opening / closing plate 3, a driving assembly 4, multiple partition plates 5, and multiple ultraviolet lamps 6. The test chamber 2 is fixed to the support 1, and its lower end is open. The opening / closing plate 3 is located below the test chamber 2 and is slidably connected to the support 1 in a vertical direction, allowing the opening / closing plate 3 to open and close the lower end of the test chamber 2. The driving assembly 4 drives the opening / closing plate 3 to slide. The multiple partition plates 5 are connected to the opening / closing plate 3 and are spaced apart along a first horizontal direction, perpendicular to the first horizontal direction. When the opening / closing plate 3 slides upward, the partition plates 5 can slide into the test chamber 2. After the opening / closing plate 3 closes the lower end of the test chamber 2, the multiple partition plates 5 divide the interior of the test chamber 2 into multiple test chambers 21. Each of the multiple ultraviolet lamps 6 corresponds to one of the multiple test chambers 21, and each ultraviolet lamp 6 is located within its corresponding test chamber 21 and fixed to the top wall of the test chamber 2.

[0026] The environmental simulation device for concrete provided by this invention, compared with the prior art, allows for the following: after the driving component 4 drives the opening and closing plate 3 to slide downward to a suitable position, multiple concrete test blocks are placed on the opening and closing plate 3, with each concrete test block corresponding to a different test chamber 21. Then, the driving component 4 drives the opening and closing plate 3 to slide upward until the opening and closing plate 3 closes the lower end of the test chamber 2. At this time, multiple partition plates 5 slide into the test chamber 2 and divide the test chamber 2 into multiple test chambers 21. Multiple concrete test blocks are located in their respective test chambers 21. Each test chamber 21 is equipped with an ultraviolet lamp 6, and the ultraviolet lamps 6 can emit ultraviolet light of different intensities. Thus, different intensities of ultraviolet radiation environment can be simulated in each test chamber 21, thereby avoiding the problem that existing environmental simulation devices cannot simultaneously simulate multiple intensities of ultraviolet radiation environment.

[0027] In this embodiment, multiple concrete test blocks are arranged sequentially along a first horizontal direction.

[0028] In some embodiments, see Figure 1 The environmental simulation device for concrete also includes a rectangular frame 7. The rectangular frame 7 is horizontally positioned and fixed to the bottom surface of the opening and closing plate 3. This increases the strength of the opening and closing plate 3, thereby preventing deformation of the opening and closing plate 3.

[0029] In some embodiments, see Figure 1 , Figure 3 and Figure 4The environmental simulation device for concrete also includes a rotating assembly 8 and an extrusion column 9. The rotating assembly 8 is rotatably connected to the test chamber 2, and the axis of rotation is set along a first horizontal direction. The extrusion column 9 is connected to the rotating assembly 8. Specifically, when the rotating assembly 8 is in the first position, the extrusion column 9 is vertical and located directly above the test chamber 2; when the rotating assembly 8 is in the second position, the extrusion column 9 is vertical and located directly below the test chamber 2. The rotating assembly 8 is initially in the first position. After multiple concrete specimens in the test chamber 2 have been placed under different intensities of ultraviolet radiation for a period of time, the drive assembly 4 drives the opening and closing plate 3 to slide downwards and open the bottom of the test chamber 2 until multiple partition plates 5 are in suitable positions below the test chamber 2. Then, the rotating assembly 8 is rotated to the second position and its rotation is restricted. At this time, the extrusion column 9 is located directly below the test chamber 2 and above the concrete specimens. One of the concrete test blocks is aligned with the extrusion column 9. Then, the drive assembly 4 drives the opening and closing plate 3 to slide upward, so that the extrusion column 9 presses against the concrete test block aligned with it, and then the concrete test block is subjected to a loading test. After the loading test is completed, the drive assembly 4 drives the opening and closing plate 3 to slide downward, and then another concrete test block is aligned with the extrusion column 9 and subjected to a loading test. This process is repeated until all the concrete test blocks have completed the loading test.

[0030] In some embodiments, see Figure 1 , Figure 3 and Figure 4 The rotating assembly 8 includes a connecting rod 81 and two rotating rods 82. The connecting rod 81 is arranged along a first horizontal direction. The two rotating rods 82 are located on both sides of the test chamber 2 along the length of the connecting rod 81, respectively. The rotating rods 82 are rotatably connected to the test chamber 2, and their axes of rotation are arranged along the first horizontal direction. The rotating rods 82 are detachably connected to the connecting rod 81. The extrusion column 9 is fixedly connected to the connecting rod 81. When the rotating assembly 8 is in the first position, the connecting rod 81 is directly above the test chamber 2, and the extrusion column 9 can be located below the connecting rod 81 and abut against the top wall of the test chamber 2. When the rotating assembly 8 is in the second position, the extrusion column 9 can be located below the connecting rod 81. The rotating assembly 8 achieves a rotatable connection with the test chamber 2 through the rotating rods 82. When the rotating component 8 is in the first position, the rotation of the rotating component 8 can be restricted by the contact between the extrusion column 9 and the top wall of the test chamber 2. When the rotating component 8 needs to rotate to the second position, the connection between the two rotating rods 82 and the connecting rod 81 is first disconnected, and then the connecting rod 81 is flipped and reconnected to the two rotating rods 82. In this way, when the rotating component 8 is in the second position, the abutment column is located below the connecting rod 81, so that the loading test can be carried out.

[0031] In some embodiments, see Figure 1 , Figure 4 and Figure 5The rotating assembly 8 also includes two disassembly rods 83 and two disassembly bolts 84. There are two disassembly rods 83, parallel to the connecting rod 81. The two disassembly rods 83 slide through the two rotating rods 82 respectively, and each disassembly rod 83 slides through the connecting rod 81. Each disassembly rod 83 has a threaded hole 831, and the axis of the threaded hole 831 is perpendicular to the disassembly rod 83. The two disassembly bolts 84 pass through the two rotating rods 82 respectively and are threaded into the two threaded holes 831. The threaded connection of the disassembly bolts 84 into the threaded holes 831 restricts the sliding of the disassembly rods 83, thereby connecting the connecting rod 81 and the rotating rod 82 through which the disassembly rods 83 pass. When the disassembly bolts 84 exit the threaded holes 831, they drive the disassembly rods 83 to slide out of the connecting rods 81 and the rotating rods 82, thus disconnecting the rotating rods 82 from the connecting rods 81. After flipping the connecting rod 81, the disassembly rod 83 is inserted into the connecting rod 81 and the rotating rod 82. At this time, the disassembly bolt 84, after being inserted into the rotating rod 82, can still be threaded into the flipped threaded hole 831. In this embodiment, the connecting rod 81 is located between the two rotating rods 82 and abuts against the two rotating rods 82.

[0032] In some embodiments, see Figures 1 to 3 The partition plate 5 is configured in two parts, including a sliding part 51 in the middle and two fixed parts 52 located on both sides of the sliding part 51. Both fixed parts 52 are fixed to the opening and closing plate 3. The sliding part 51 slides through the opening and closing plate 3. The environmental simulation device for concrete also includes a locking component 10. The locking component 10 is used to lock or unlock the sliding part 51 to the opening and closing plate 3. When the sliding part 51 slides away from the closing plate 3, the disassembled connecting rod 81 can slide through the two fixed parts 52 in the same partition plate 5. After multiple concrete test blocks in the test chamber 2 are placed under ultraviolet irradiation conditions of different intensities for a period of time, the drive component 4 drives the opening and closing plate 3 to slide down to a suitable position, and the locking component 10 releases the lock between the sliding part 51 and the opening and closing plate 3, thereby causing the sliding part 51 to slide away from the closing plate 3. Then, the connection between the connecting rod 81 and the two rotating rods 82 is disconnected. The connecting rod 81 is then slidably passed through the two fixing parts 52 in all the partition plates 5, and the compression column 9 is positioned below the connecting rod 81. Next, the two rotating rods 82 are rotated to a suitable position and connected to the connecting rod 81. At this point, the rotating assembly 8 is in the second position. Thus, when loading tests are performed on the concrete specimen, the two fixing parts 52 in the same partition plate 5 can restrict the rotation of the rotating assembly 8, thereby keeping the rotating assembly 8 in the second position.

[0033] In some embodiments, see Figure 2 and Figure 7The locking assembly 10 includes a limiting shaft 101 and a limiting nut 102. The limiting shaft 101 is arranged along a first horizontal direction, and the sliding part 51 is slidably sleeved on the limiting shaft 101. The side of the limiting shaft 101 has an outwardly protruding limiting part 1011, and the limiting shaft 101 is provided with an external thread. The limiting part 1011 abuts against one of the outer sides of the rectangular frame 7. The limiting nut 102 is threaded onto the external thread, and the limiting nut 102 abuts against the outer side of the rectangular frame 7 away from the limiting part 1011. The engagement of the limiting nut 102 and the limiting part 1011 restricts the movement of the limiting shaft 101 along the axial direction. The limiting shaft 101 restricts the sliding part 51 from sliding in the vertical direction, thereby locking the sliding part 51 to the opening and closing plate 3. When the limiting nut 102 disconnects from the threaded connection with the limiting shaft 101 and the limiting shaft 101 slides out of all the sliding parts 51, the sliding part 51 can slide and disengage from the closing plate 3 in the vertical direction.

[0034] In some embodiments, see Figure 1 and Figure 6 The environmental simulation device for concrete also includes two connecting shafts 110. The two connecting shafts 110 are located on both sides of the test chamber 2 relative to the two rotating rods 82. The connecting shafts 110 are arranged along the rotation axis of the rotating rods 82 and are fixedly connected to the test chamber 2. The side wall of the connecting shaft 110 has an annular groove 1101. The rotating rods 82 are rotatably fitted into the annular groove 1101 on the same side. The rotating rods 82 achieve a rotatable connection with the test chamber 2 through the rotatable engagement with the connecting shafts 110. When the rotatable connection between the rotating rods 82 and the connecting rods 81 is broken, the annular groove 1101 prevents the rotating rods 82 from sliding off the connecting shafts 110.

[0035] In some embodiments, see Figure 1 The bracket 1 has two parallel support rods 11, which are located below the rectangular frame 7 and spaced apart along a first horizontal direction. The support rods 11 are horizontal and perpendicular to the first horizontal direction. At least one sliding shaft 120 slides through the support rod 11, and the sliding shaft 120 is fixedly connected to the opening and closing plate 3. The sliding connection between the opening and closing plate 3 and the bracket 1 is achieved through the sliding engagement between the sliding shaft 120 and the slidingly inserted support rod 11.

[0036] In some embodiments, see Figure 1 and Figure 2The bracket 1 has a horizontally positioned fixed plate 12 located below the two supporting rods 11. The drive assembly 4 is fixed to the fixed plate 12 and has a piston rod capable of extending and retracting vertically. The environmental simulation device for concrete includes a fixed block 130. The fixed block 130 is fixed to the bottom surface of the opening and closing plate 3 and slidably sleeved outside the limiting shaft 101. The fixed block 130 is fixedly connected to the piston rod of the drive assembly 4. When the piston rod of the drive assembly 4 extends and retracts vertically, the opening and closing plate 3 can be driven to slide vertically through the fixed block 130. In this embodiment, the drive assembly 4 can be selected as a hydraulic cylinder or a jack according to actual needs.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An environmental simulation device for concrete, characterized in that, include: support; The test chamber is fixed on the support, and the lower end of the test chamber is an open end; An opening and closing plate is located below the test chamber and is slidably connected to the support in the vertical direction so that the opening and closing plate can open and close the lower end of the test chamber; Drive components are used to drive the opening and closing plates to slide. Multiple partition plates are connected to the opening and closing plate. These partition plates are spaced apart along a first horizontal direction and are perpendicular to that direction. When the opening and closing plate slides upwards, the partition plates can slide into the test chamber. When the opening and closing plate closes the lower end of the test chamber, the partition plates divide the chamber into multiple test chambers. Multiple concrete test blocks are placed on the opening and closing plate, each corresponding to one of the test chambers. Multiple ultraviolet lamps correspond one-to-one with multiple test chambers. The ultraviolet lamps are located inside the corresponding test chambers and are fixed to the top wall of the test chamber. A rectangular frame is horizontally positioned and fixed to the bottom surface of the opening and closing plate; A rotating assembly is rotatably connected to the test chamber, and the axis of rotation is set along the first horizontal direction; The extrusion column is connected to the rotating assembly; Specifically, when the rotating assembly is in the first position, the extrusion column is in a vertical position and located directly above the test chamber; when the rotating assembly is in the second position, the extrusion column is in a vertical position and located directly below the test chamber, with the extrusion column above the concrete test block.

2. The environmental simulation device for concrete as described in claim 1, characterized in that, The rotating assembly includes: A connecting rod is provided along the first horizontal direction; Two rotating rods are located on both sides of the test chamber along the length of the connecting rod, the rotating rods are rotatably connected to the test chamber and the axis of rotation is set along the first horizontal direction, and the rotating rods are detachably connected to the connecting rod; The extrusion column is fixedly connected to the connecting rod. When the rotating assembly is in the first position, the connecting rod is located directly above the test chamber, and the extrusion column can be located below the connecting rod and abut against the top wall of the test chamber. When the rotating assembly is in the second position, the extrusion column can be located below the connecting rod.

3. The environmental simulation device for concrete as described in claim 2, characterized in that, The rotating assembly also includes: There are two disassembly rods, which are parallel to the connecting rods. The two disassembly rods are slidably inserted into the two rotating rods respectively. The disassembly rods are slidably inserted into the connecting rods. The disassembly rods are provided with threaded holes and the axis of the threaded holes is perpendicular to the disassembly rods. Two disassembly bolts are respectively inserted into the two rotating rods and threaded into the two threaded holes.

4. The environmental simulation device for concrete as described in claim 3, characterized in that, The partition plate is configured in two parts, each partition plate including a sliding part in the middle and two fixed parts located on both sides of the sliding part, both of which are fixedly mounted on the opening and closing plate. The sliding part slides through the opening and closing plate. The environmental simulation device for concrete also includes: A locking component is used to lock or unlock the sliding part to the opening / closing plate; When the sliding part slides away from the opening and closing plate, the disassembled connecting rod can slide through the two fixed parts in the same spacer plate.

5. The environmental simulation device for concrete as described in claim 4, characterized in that, The locking component includes: A limiting shaft is provided along the first horizontal direction. The sliding part is slidably sleeved on the limiting shaft. The side of the limiting shaft has an outwardly protruding limiting part. The limiting shaft is provided with an external thread. The limiting part abuts against one of the outer sides of the rectangular frame. A limiting nut is threaded onto the external thread, and the limiting nut abuts against the outer side of the rectangular frame away from the limiting part.

6. The environmental simulation device for concrete as described in claim 3, characterized in that, Also includes: Two connecting shafts are respectively located on both sides of the test chamber relative to the two rotating rods. The connecting shafts are arranged along the rotation axis of the rotating rods and are fixedly connected to the test chamber. The sidewall of the connecting shaft has an annular groove. The rotating rod is rotatably fitted into the annular groove on the same side.

7. The environmental simulation device for concrete as described in claim 5, characterized in that, The bracket has two parallel support rods, which are located below the rectangular frame and spaced apart along the first horizontal direction. The support rods are horizontal and perpendicular to the first horizontal direction. At least one sliding shaft is slidably passed through the support rod, and the sliding shaft is fixedly connected to the opening and closing plate.

8. The environmental simulation device for concrete as described in claim 7, characterized in that, The bracket has a horizontally positioned fixed plate located below the two supporting rods, the drive assembly is fixed to the fixed plate and has a piston rod capable of extending and retracting in the vertical direction, and the environmental simulation device for concrete includes: A fixing block is fixedly disposed on the bottom surface of the opening and closing plate and slidably sleeved outside the limiting shaft. The fixing block is fixedly connected to the piston rod of the driving assembly.

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