Anti-falling mechanism for concrete member permeability measuring device

Abstract

The utility model discloses an anti-falling mechanism for a concrete member permeability measuring device, which comprises a support table, a gas-collecting hood is mounted at the top of the support table, a vacuum pump and a pressure chamber are arranged at the top of the support table and positioned on one side of the gas-collecting hood, the pressure chamber is positioned behind the vacuum pump, and the vacuum pump is connected with the gas-collecting hood through a connecting pipe. One end of the connecting pipe extends into the gas-collecting hood, the pressure chamber is connected with the gas-collecting hood through a steel pipe, and one end of the steel pipe extends into the gas-collecting hood; and a taking assembly and a fastening assembly are arranged in the gas collecting hood. The concrete member placed on the supporting plate is fixed through mutual cooperation of the right side clamping plate and the left side clamping plate of the fastening assembly, so that the stability of the concrete member is improved, and the concrete member is prevented from sliding on the supporting plate when the supporting plate is drawn out; and the first supporting seat and the second supporting seat are connected through the hinge, so that the problem that the steel pipe supporting equipment is easy to lose is solved.

Description

Technical Field

[0001] This utility model belongs to the field of permeability measurement technology, specifically relating to an anti-detachment mechanism for a permeability measurement device for concrete components. Background Technology

[0002] Currently, permeability measurement methods can be divided into two categories based on the selected permeation medium: liquid and gas. The corresponding testing methods are water pressure and air pressure testing methods, respectively. The principle of air pressure testing is to increase the air pressure inside a closed air chamber and calculate the permeability of the surface concrete based on the pressure decay law inside the closed air chamber.

[0003] Existing anti-detachment mechanisms for concrete component permeability measurement devices have the following shortcomings during use:

[0004] When concrete components are placed inside the gas collection hood, retrieving them is time-consuming, labor-intensive, and inefficient, and there are issues with cleaning the platform for retrieving concrete components. There are also shortcomings in the use of steel pipes for support, which have improved the efficiency of steel pipe support work and solved the problem of easy loss of steel pipe support equipment. However, the support plate does not have a fastening mechanism, which makes it impossible to clamp and fix the concrete components, causing the concrete components to slide on the support plate when it is pulled out. Summary of the Invention

[0005] The purpose of this invention is to provide an anti-detachment mechanism for a concrete component permeability measuring device, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an anti-detachment mechanism for a concrete component permeability measuring device, comprising a support platform, a gas collecting hood installed on the top of the support platform, a vacuum pump and a pressure chamber located on one side of the gas collecting hood on the top of the support platform, with the pressure chamber located behind the vacuum pump, the vacuum pump and the gas collecting hood connected by a connecting pipe, one end of which extends into the interior of the gas collecting hood, and the pressure chamber and the gas collecting hood connected by a steel pipe, one end of which extends into the interior of the gas collecting hood; the interior of the gas collecting hood is provided with a picking component and a fastening component; the picking component includes a support plate, a stand, a slider and a groove, the interior of the gas collecting hood is provided with symmetrically distributed stands, the stands are provided with screws, the top of the stands is provided with a support plate, the top of the stands is provided with a groove, and the bottom of the support plate is provided with a groove that matches the groove. The sliding block is equipped with a fastening assembly including a right-side clamping plate, a push rod, a right-side toothed plate, a meshing plate, a shaft, a gear, a left-side toothed plate, a left-side clamping plate, and a spring assembly. A right-side clamping plate is located at one end of the top of the support plate. A push rod is connected to the outer wall of the right-side clamping plate. A right-side toothed plate is connected to the bottom of the right-side clamping plate. A meshing plate is located at one end of the bottom of the right-side toothed plate, and a shaft is located on the meshing plate. The meshing plate and the shaft are connected by a torsion spring. A gear is located at the bottom of the other end of the right-side toothed plate. A left-side toothed plate is located at the other end of the gear away from the right-side toothed plate. A left-side clamping plate is connected to the other end of the left-side toothed plate away from the gear. A spring assembly connects the left-side clamping plate and the right-side clamping plate. One end of the meshing plate passes through a movable groove. A limiting groove is opened in the middle of the top of the support plate, and the left-side clamping plate and the right-side clamping plate slide within the limiting groove.

[0007] Furthermore, a first sealing ring is fixed to the connection between the steel pipe and the gas collection hood by screws; a second sealing ring is fixed to the connection between the connecting pipe and the gas collection hood by screws.

[0008] Furthermore, the slider has a "T" shaped structure, and the groove has a "T" shaped slot, which facilitates the matching of the slider and the groove.

[0009] Furthermore, the front surface of the gas collection hood is movably provided with a first protective door and a second protective door. The first and second protective doors are provided with a fitting component, which includes a second cover portion. A square magnet is attached to the second cover portion. One end of the first protective door is provided with a first protrusion portion, and one end of the second protective door is provided with a second cover portion that fits onto the first protrusion portion.

[0010] Furthermore, it also includes a base that abuts against the support platform. The base is an inverted "T" shaped structure, which supports the support platform.

[0011] Furthermore, it also includes a support assembly, which includes a support rod, a first support base, a first recess, a first fastening part, a second support base, a second recess, and a second fastening part. The support rod is fixed to the top of the support platform, and the top of the support rod is provided with a second support base. The top of the second support base has a second recess. The end of the second fastening part is provided with symmetrically distributed first support bases. The bottom of the first support base has a first recess. The end of the first support base is provided with symmetrically distributed first and second fastening parts. The first and second fastening parts are fixed by bolts. The second fastening parts of the first and second support bases are connected by hinges. The first and second recesses are located on the outside of the steel pipe.

[0012] Furthermore, the first support base and the first fastening part are an integral structure, and the second support base and the second fastening part are an integral structure.

[0013] Compared with existing technologies, this utility model has the following advantages: (1) This utility model connects the first protective door and the second protective door with a square magnet, which facilitates better fitting and disassembly of the first and second protective doors, and also facilitates the rotation of the first and second protective doors.

[0014] (2) This utility model solves the problem of easy loss of steel pipe support equipment by connecting the first support base and the second support base with a hinge. Moreover, it is more convenient to fix the first support base and the second support base connected by the hinge. Compared with the existing support equipment, it is more practical.

[0015] (3) This utility model achieves the snap-fit ​​effect of the support plate by using a slider and a screw. When in use, the slider at the bottom of the support plate slides along the groove opened at the top of the stand. When the support plate is pulled out of the gas collection hood, the screw directly locks the support plate to prevent the support plate from being pulled out directly from the groove, which would cause the concrete component placed on the support plate to fall off. This improves the convenience of taking out the concrete component. When cleaning the support plate, you only need to screw the screw inside the stand.

[0016] (4) This utility model uses the right side clamp and the left side clamp to fix the concrete component placed on the support plate, thereby improving the stability of the concrete component and preventing the concrete component from sliding on the support plate when the support plate is removed. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a side view of the connection between the first support base and the second support base of this utility model.

[0019] Figure 3This is a side view of the gas collection hood structure of this utility model.

[0020] Figure 4 For the present utility model Figure 3 A schematic diagram of the enlarged P-region structure.

[0021] Figure 5 This is a schematic diagram of the connection structure between the first protective door and the second protective door of this utility model.

[0022] Figure 6 This is a schematic diagram of the fastening mechanism of this utility model.

[0023] Figure 7 This is a magnified structural diagram of region c of this utility model.

[0024] Figure 8 This is a side view of the slider and the stand of this utility model.

[0025] The diagram shows the following components: 1. Base; 2. Support platform; 3. Gas collection hood; 4. First sealing ring; 5. Steel pipe; 6. Support rod; 7. Pressure chamber; 8. Vacuum pump; 9. Connecting pipe; 10. Second sealing ring; 11. First support seat; 12. First recess; 13. First fastening part; 14. Second support seat; 15. Second recess; 16. Second fastening part; 17. Support plate; 1701. Restriction groove; 1702. Movable groove; 18. Stand; 19. First protective door; 20. Second protective door; 21. Slider; 22. Slide groove; 23. Second cover part; 24. First protrusion part; 25. Square magnet; 26. Screw; 27. Right side clamping plate; 28. Push rod; 29. ​​Right side toothed plate; 30. Meshing plate; 31. Shaft; 32. Gear; 33. Left side toothed plate; 34. Left side clamping plate; 35. Spring assembly. Detailed Implementation

[0026] like Figures 1-8As shown; This utility model provides a technical solution: an anti-detachment mechanism for a concrete component permeability measuring device, comprising a support platform 2, a gas collecting hood 3, a steel pipe 5, a support rod 6, a pressure chamber 7, a vacuum pump 8, and a connecting pipe 9; the gas collecting hood 3 is installed on the top of the support platform 2, and the vacuum pump 8 and the pressure chamber 7 are arranged on one side of the gas collecting hood 3 on the top of the support platform 2, with the pressure chamber 7 located behind the vacuum pump 8. The vacuum pump 8 and the gas collecting hood 3 are connected by the connecting pipe 9, and one end of the connecting pipe 9 extends into the interior of the gas collecting hood 3. The pressure chamber 7 and the gas collecting hood 3 are connected by the steel pipe. 5. A steel pipe 5 extends into the interior of the gas collecting hood 3. The interior of the gas collecting hood 3 is equipped with a retrieval assembly and a fastening assembly. The retrieval assembly includes a support plate 17, a stand 18, a slider 21, and a groove 22. Symmetrically distributed stands 18 are installed inside the gas collecting hood 3. The top of the stands 18 is provided with a support plate 17, and the top of the stands 18 has a groove 22. The bottom of the support plate 17 is provided with a slider 21 that matches the groove 22. The fastening assembly includes a right-side clamping plate 27, a push rod 28, a right-side toothed plate 29, a meshing plate 30, a shaft 31, and a gear 32. The support plate 17 has a left toothed plate 33, a left clamping plate 34, and a spring assembly 35. A right clamping plate 27 is located at one end of the top of the support plate 17. A push rod 28 is connected to the outer wall of the right clamping plate 27. A right toothed plate 29 is connected to the bottom of the right clamping plate 27. A meshing plate 30 is located at one end of the bottom of the right toothed plate 29. A shaft 31 is mounted on the meshing plate 30. The meshing plate 30 and the shaft 31 are connected by a torsion spring. A gear 32 is located at the bottom of the other end of the right toothed plate 29. A left toothed plate 33 is located at the other end of the gear 32 away from the right toothed plate 29. The other end of the gear 33 away from the gear 32 is connected to a left clamping plate 34, and a spring assembly 35 is connected between the left clamping plate 34 and the right clamping plate 27; a movable groove 1702 is opened on the upper part of one side of the support plate 17, and one end of the meshing plate 30 is used to pass through the movable groove 1702 and move up and down in the movable groove 1702; a limiting groove 1701 is opened in the middle part of the top of the support plate 17, and the left clamping plate 34 and the right clamping plate 27 slide in the limiting groove 1701; the push rod 28 is 10*10 cm; the right clamping plate 27 and the left clamping plate 34 are 5-10 cm.

[0027] The connection between the steel pipe 5 and the gas collecting hood 3 is secured with a first sealing ring 4 by screws, which helps to ensure the stable installation of the first sealing ring 4 and prevent it from falling off. The first sealing ring 4 is used to increase the sealing effect between the steel pipe 5 and the gas collecting hood 3. The connection between the connecting pipe 9 and the gas collecting hood 3 is secured with a second sealing ring 10 by screws, which helps to ensure the stable installation of the second sealing ring 10 and prevent it from falling off. The second sealing ring 10 is used to increase the sealing effect between the connecting pipe 9 and the gas collecting hood 3.

[0028] The slider 21 has a "T" shaped structure, and the groove 22 has a "T" shaped slot, which facilitates the matching of the slider 21 and the groove 22.

[0029] The front surface of the gas collection hood 3 is movably provided with a first protective door 19 and a second protective door 20. The first protective door 19 and the second protective door 20 are provided with a fitting component. The fitting component includes a second cover part 23. The second cover part 23 is attached with a square magnet 25 and a first protrusion part 24. One end of the first protective door 19 is provided with the first protrusion part 24, and one end of the second protective door 20 is provided with the second cover part 23 that fits onto the first protrusion part 24, so as to facilitate the fitting of the first protective door 19 and the second protective door 20.

[0030] It also includes a base 1 that abuts against the support platform 2. The base 1 is an inverted "T" shaped structure, which supports the support platform 2.

[0031] The system also includes a support assembly, which comprises a support rod 6, a first support base 11, a first recess 12, a first fastening part 13, a second support base 14, a second recess 15, and a second fastening part 16. The support rod 6 is fixed to the top of the support platform 2, and the top of the support rod 6 is provided with a second support base 14. The top of the second support base 14 has a second recess 15. The end of the second fastening part 16 is provided with symmetrically distributed first support bases 11. The bottom of the first support base 11 has a first recess 12. The end of the first support base 11 is provided with symmetrically distributed first fastening parts 13 and second fastening parts 16. The first fastening parts 13 and second fastening parts 16 are fixed by bolts. The second fastening parts 16 of the first support base 11 and the second fastening parts 16 of the second support base 14 are connected by hinges. The first recess 12 and the second recess 15 are located on the outside of the steel pipe 5, which helps to further increase the support for the steel pipe 5 and solves the problem of insufficient further support for the steel pipe 5 in the traditional system. At the same time, the first support seat 11 and the second support seat 14 are connected together by bolts, which improves the efficiency of supporting the steel pipe 5 and solves the problem that the steel pipe 5 support equipment is easy to lose.

[0032] The first support base 11 and the first fastening part 13 are integral structures, which helps to increase the strength of the first support base 11 and the first fastening part 13. The second support base 14 and the second fastening part 16 are integral structures, which helps to increase the strength of the second support base 14 and the second fastening part 16.

[0033] The working principle and usage process of this utility model are as follows: A first sealing ring 4 is fixed to the connection between the steel pipe 5 and the gas collecting hood 3 by screws, which helps to achieve a stable installation of the first sealing ring 4 and prevents the first sealing ring 4 from falling off. The first sealing ring 4 is used to increase the sealing effect between the steel pipe 5 and the gas collecting hood 3; A second sealing ring 10 is fixed to the connection between the connecting pipe 9 and the gas collecting hood 3 by screws, which helps to achieve a stable installation of the second sealing ring 10 and prevents the second sealing ring 10 from falling off. The second sealing ring 10 is used to increase the sealing effect between the connecting pipe 9 and the gas collecting hood 3.

[0034] When a concrete component needs to be placed on top of the support plate 17, the support plate 17 is pulled outward, causing the slider 21 at the bottom of the support plate 17 to slide along the groove 22 opened at the top of the support frame 18. When the support plate 17 is pulled out of the air collection hood 3, the screw 26 directly locks the support plate 17. Then, one end of the meshing plate 30 is gripped and moved upward, moving the toothed groove at the other end of the meshing plate 30 off the right toothed groove plate 29. Then, the right clamping plate 27 and the right toothed groove plate 29 are moved to the right by gripping the push rod 28, so that the right toothed groove plate 29 meshes with the gear 32 while moving, thereby driving the gear 32 to rotate. While the gear 32 rotates, it also meshes with the left toothed groove plate 33, driving the left toothed groove plate 33 and the left clamping plate 34 to move to the left. This causes the right clamping plate 27 and the left clamping plate 34 to move in opposite directions along the limiting groove 1701 of the support plate 17, stretching the spring assembly 35 outward. Once the right clamping plate 27 and the left clamping plate 34 have moved to their highest positions within the limiting groove 1701, the concrete component is placed between the right clamping plate 27 and the left clamping plate 34. Then, one end of the gripping engagement plate 30 is released. Since the engagement plate 30 is connected to the shaft 31 via a torsion spring, the spring's elasticity drives the engagement plate 30 to move back, causing the toothed groove at one end of the engagement plate 30 to re-engage onto the right toothed plate 29, thus fixing the right clamping plate 27 and the left clamping plate 34. After the concrete component is clamped, the support plate 17 is pushed back into the gas collection hood 3. The concrete component on the support plate 17 is clamped by the fastening assembly. When the support plate 17 is removed, this prevents the concrete component from sliding on the support plate 17, improving the stability of the concrete component. Furthermore, the support plate 17, slider 21, and groove 22 make it easier to remove and place the concrete component, improving the convenience of handling the concrete component. Meanwhile, when the support plate 17 needs to be cleaned, you can first unscrew a portion of the screw 26 so that the screw 26 is screwed into the inside of the stand 18. Then pull the support plate 17 outward so that the slider 21 at the bottom of the support plate 17 slides along the groove 22 opened at the top of the stand 18. After the support plate 17 is pulled out of the air collection hood 3, the support plate 17 can be cleaned.

[0035] In use, the first protective door 19 and the second protective door 20 are opened, the concrete component is placed on the support plate 17, and the first protective door 19 and the second protective door 20 are closed. Because a square magnet 25 is attached to the second cover part 23, it facilitates the close fit of the first protective door 19 and the second protective door 20. Gas pressure is lost over a certain period, and the pressure is increased in the closed gas collection hood 3 through the pressure chamber 7. The permeability of the surface concrete is calculated based on the pressure attenuation law within the closed gas collection hood 3.

[0036] Although embodiments of the present utility have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present utility; the scope of the present utility is defined by the appended claims and their equivalents.

Claims

1. An anti-detachment mechanism for a concrete component permeability measuring device, comprising a support platform (2), characterized in that: A gas collection hood (3) is installed on the top of the support platform (2). A vacuum pump (8) and a pressure chamber (7) are set on the top of the support platform (2) on one side of the gas collection hood (3). The pressure chamber (7) is located behind the vacuum pump (8). The vacuum pump (8) and the gas collection hood (3) are connected by a connecting pipe (9), and one end of the connecting pipe (9) extends into the interior of the gas collection hood (3). The pressure chamber (7) and the gas collection hood (3) are connected by a steel pipe (5), and one end of the steel pipe (5) extends into the interior of the gas collection hood (3). The interior of the gas collection hood (3) is equipped with a picking component and a fastening component. The retrieval assembly includes a support plate (17), a stand (18), a slider (21), and a groove (22). The inside of the gas collection hood (3) is equipped with symmetrically distributed stands (18). Screws (26) are provided on the stands (18). A support plate (17) is provided on the top of the stands (18). A groove (22) is provided on the top of the stands (18). A slider (21) matching the groove (22) is provided at the bottom of the support plate (17). The fastening assembly includes a right-side clamping plate (27), a push rod (28), a right-side toothed plate (29), a meshing plate (30), and a shaft. (31), gear (32), left toothed plate (33), left clamping plate (34) and spring assembly (35); the top end of the support plate (17) is provided with a right clamping plate (27), a push rod (28) is connected to the outer side wall of the right clamping plate (27), the bottom of the right clamping plate (27) is connected with a right toothed plate (29), a meshing plate (30) is provided at the bottom of one end of the right toothed plate (29), a shaft (31) is provided on the meshing plate (30), the meshing plate (30) and the shaft (31) are connected by a torsion spring, and the bottom of the other end of the right toothed plate (29) is... A gear (32) is provided, and a left gear plate (33) is provided on the other end of the gear (32) away from the right gear plate (29). A left clamping plate (34) is connected to the other end of the left gear plate (33) away from the gear (32). A spring assembly (35) is connected between the left clamping plate (34) and the right clamping plate (27). A movable groove (1702) is provided on the upper part of one side of the support plate (17), and a limiting groove (1701) is provided in the middle part of the top of the support plate (17). The left clamping plate (34) and the right clamping plate (27) slide in the limiting groove (1701).

2. The anti-detachment mechanism for a concrete component permeability measuring device according to claim 1, characterized in that: The connection between the steel pipe (5) and the gas collection hood (3) is fixed with a first sealing ring (4) by screws; the connection between the connecting pipe (9) and the gas collection hood (3) is fixed with a second sealing ring (10) by screws.

3. The anti-detachment mechanism for a concrete component permeability measuring device according to claim 2, characterized in that: The slider (21) has a "T" shaped structure and the groove (22) has a "T" shaped groove, which facilitates the matching of the slider (21) and the groove (22).

4. The anti-detachment mechanism for a concrete component permeability measuring device according to claim 3, characterized in that: The front surface of the gas collection hood (3) is movably provided with a first protective door (19) and a second protective door (20). The first protective door (19) and the second protective door (20) are provided with a fitting component. The fitting component includes a second cover (23). A square magnet (25) is attached to the second cover (23). One end of the first protective door (19) is provided with a first protrusion (24), and one end of the second protective door (20) is provided with a second cover (23) that fits onto the first protrusion (24).

5. The anti-detachment mechanism for a concrete component permeability measuring device according to claim 4, characterized in that: It also includes a base (1) that abuts against the support platform (2). The base (1) is an inverted "T" shaped structure, which supports the support platform (2).

6. The anti-detachment mechanism for a concrete component permeability measuring device according to claim 5, characterized in that: It also includes a support assembly, which includes a support rod (6), a first support base (11), a first recess (12), a first fastening part (13), a second support base (14), a second recess (15), and a second fastening part (16). The support rod (6) is fixed to the top of the support platform (2), and the top of the support rod (6) is provided with a second support base (14). The top of the second support base (14) is provided with a second recess (15), and the end of the second fastening part (16) is provided with symmetrically distributed first support bases. (11) The bottom of the first support base (11) is provided with a first notch (12). The end of the first support base (11) is provided with a first fastening part (13) and a second fastening part (16) that are symmetrically distributed. The first fastening part (13) and the second fastening part (16) are fixed by bolts. The second fastening part (16) of the first support base (11) and the second fastening part (16) of the second support base (14) are connected by hinges. The first notch (12) and the second notch (15) are located on the outside of the steel pipe (5).

7. The anti-detachment mechanism for a concrete component permeability measuring device according to claim 6, characterized in that: The first support base (11) and the first fastening part (13) are an integral structure, and the second support base (14) and the second fastening part (16) are an integral structure.

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