Sampling device for concrete impermeability detection
By setting up installation and fixing mechanisms, the problems of difficult mold installation and disassembly and poor sealing of the sampling device for concrete impermeability testing were solved, ensuring the compactness and shape integrity of the concrete specimens, and improving operation efficiency and specimen quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING YONGAN ENG CONSTR SUPERVISION CO
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-10
AI Technical Summary
Existing sampling devices for testing the impermeability of concrete suffer from problems such as difficulty in installing and disassembling molds, poor and insufficient sealing, and unstable fixing leading to irregular specimen shapes.
A sampling device for testing the impermeability of concrete was designed. By setting up an installation mechanism and a fixing mechanism, and utilizing the cooperation of a first sealing gasket, a surrounding plate, a second sealing gasket and a base, rapid installation and disassembly can be achieved. The cooperation of a support frame, springs, clamps, a cover plate and a pressure boosting component ensures the sealing and fixation of the mold, preventing concrete slurry leakage and mold deformation.
It enables rapid installation and disassembly, ensuring the compactness and shape integrity of concrete specimens, and improving operational efficiency and specimen quality.
Smart Images

Figure CN224109161U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete test technical field, concretely is a kind of sampling device for concrete permeability detection. BACKGROUND
[0002] The core function of the sampling device for concrete permeability detection is to sample and shape the concrete for subsequent permeability testing. Specifically, the device's function is to pour the concrete into the shape of a standard test piece, typically cylindrical or cubic. The purpose of this is to accurately test the permeability of the concrete.
[0003] First, when manufacturing concrete samples, if the mold is difficult to install and remove, the operator needs to spend more time and effort to complete the installation, resulting in low efficiency.
[0004] Secondly, if the mold does not have a sealing function, the concrete may leak from the gap during pouring and tamping, causing the test piece to lose its intended shape and density.
[0005] Finally, if the mold does not have a fixed and pressurized design, the mold may deform or crack during concrete tamping, causing the test piece to have an irregular shape and affecting the quality. INVENTION CONTENTS
[0006] (I) Technical problems solved
[0007] To address the technical problems mentioned in the background art, the present utility model provides a sampling device for concrete permeability detection.
[0008] (II) Technical solutions
[0009] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a sampling device for concrete permeability detection, comprising a placing rack, an installation mechanism and a fixing mechanism. The installation mechanism includes a first sealing gasket, a surrounding plate, a second sealing gasket and a base. The first sealing gasket is fixedly installed on the base and connected with the surrounding plate. The surrounding plate is installed on the placing rack and connected with the placing rack. The second sealing gasket is fixedly installed on the surrounding plate and connected with the surrounding plate. The base is linearly arrayed on the placing rack. The fixing mechanism includes a support frame, a spring, a clamping block, a cover plate and a pressure boosting assembly. The support frame is installed on the placing rack and connected with the placing rack. The spring is fixedly installed in the support frame and connected with the clamping block at the other end. The clamping block is installed on the support frame and connected with the support frame through sliding connection and the placing rack through cooperation. The cover plate is installed on the surrounding plate and connected with the surrounding plate.
[0010] Preferably, the booster assembly comprises a rotating sleeve, a sliding rod and an additional plate, the rotating sleeve is installed on the support frame and rotationally connected with the sliding rod, the sliding rod is installed on the support frame and slidingly connected with the support frame, and the additional plate is installed on the cover plate.
[0011] Preferably, the placing frame is provided with a cover plate, the cover plate is provided with positioning holes, the surrounding plates are installed on the cover plate and connected with the positioning holes in a matched mode, and the sealing of the surrounding plates is facilitated.
[0012] Preferably, the cover plate is provided with positioning blocks and first sealing grooves, the positioning blocks are connected with the positioning holes in a matched mode, and the first sealing gaskets are connected with the first sealing grooves in a matched mode, so that the sealing of the bottom of the surrounding plates is facilitated.
[0013] Preferably, the surrounding plates are provided with insertion blocks and insertion holes, the insertion blocks and the insertion holes are connected in a matched mode, the insertion holes are internally provided with second sealing grooves, and the second sealing gaskets are connected with the second sealing grooves in a matched mode, so that the sealing between the surrounding plates is facilitated.
[0014] Preferably, the surrounding plates are provided with insertion blocks and insertion holes, the insertion blocks and the insertion holes are connected in a matched mode, the insertion holes are internally provided with second sealing grooves, and the second sealing gaskets are connected with the second sealing grooves in a matched mode, so that the sealing between the surrounding plates is facilitated.
[0015] Preferably, the placing frame is provided with first clamping holes, the cover plate is provided with second clamping holes, the clamping blocks are connected with the first clamping holes in a matched mode, and the additional plate is connected with the second clamping holes in a matched mode, so that the operation of the device and the fixing of the surrounding plates are facilitated.
[0016] Preferably, the cover plate and the additional plate are provided with first sliding grooves, the support frame is provided with external threads and second sliding grooves, the rotating sleeve is provided with internal threads, the internal threads are connected with the external threads in a matched mode, and the sliding rod is slidingly connected with the first sliding grooves and the second sliding grooves respectively, so that the heavy pressing of the cover plate is facilitated.
[0017] (Three) beneficial effects
[0018] Compared with the prior art, the sampling device for detecting the impermeability of concrete has the following beneficial effects:
[0019] In the utility model, through the mutual cooperation of the first sealing gasket, the surrounding plates, the second sealing gasket and the base and other components, the device is designed to be quickly installed and disassembled, the complexity of manual operation is reduced, the risk of operation failure is reduced, and the device is suitable for operators with different experience levels.
[0020] The utility model discloses a fixed mechanism is set up, under the mutual cooperation of support frame, spring, clamping block, cover pressure plate and pressure increasing assembly etc.
[0021] The utility model discloses a pressure increasing assembly is set up, under the mutual cooperation of rotating sleeve, sliding rod and additional plate etc., the device in the process of vibrating concrete, the vibration force that adds is bigger, if the mould has not been firmly fixed or pressure is insufficient, the mould can displace or crack, and the problem can be effectively prevented to the appearance of test piece is not affected by strengthening locking design. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the overall structure schematic diagram of sampling device for concrete permeability detection in the utility model;
[0023] Figure 2 It is the explosion view of placing stand structure in the utility model;
[0024] Figure 3 It is the explosion view of mounting mechanism in the utility model;
[0025] Figure 4 It is the structure section view of cover pressure plate in the utility model;
[0026] Figure 5 It is the explosion view of pressure increasing assembly in the utility model.
[0027] In the drawing: 1, placing stand;2, first sealing pad;3, surrounding board;4, second sealing pad;5, base;6, support frame;7, spring;8, clamping block;9, cover pressure plate;10, rotating sleeve;11, sliding rod;12, additional plate;13, cover plate;14, positioning hole;15, positioning block;16, first sealing groove;17, insertion block;18, insertion hole;19, second sealing groove;20, embedding hole;21, embedding plate;22, first clamping hole;23, second clamping hole;24, first sliding groove;25, outer thread;26, second sliding groove;27, inner thread. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.
[0029] Embodiment 1:
[0030] Please refer to Figures 1-5 The utility model provides a sampling device for concrete impermeability detection, including placing frame 1, mounting mechanism and fixed establishment, the mounting mechanism includes first gasket 2, surrounding board 3, second gasket 4 and base 5, first gasket 2 is fixedly installed on base 5, and is connected with surrounding board 3 cooperation, surrounding board 3 is installed on placing frame 1 and is connected with placing frame 1 cooperation, second gasket 4 is fixedly installed on surrounding board 3 and is connected with surrounding board 3 cooperation, base 5 is linear array distribution on placing frame 1, the fixed establishment includes support frame 6, spring 7, clamping block 8, cover plate 9 and booster assembly, support frame 6 is installed on placing frame 1 and is connected with placing frame 1 cooperation, spring 7 is fixedly installed in support frame 6 its other end with clamping block 8 fixed connection, clamping block 8 is installed on support frame 6 and is connected with support frame 6 sliding respectively and placing frame 1 cooperation, cover plate 9 is installed on surrounding board 3 and is connected with surrounding board 3 cooperation.
[0031] In the embodiment, the mounting mechanism includes first gasket 2, surrounding board 3, second gasket 4 and base 5, when using, the surrounding board 3 can be assembled at the moment, so that the insertion block 17 on the surrounding board 3 is connected with the insertion hole 18 on the surrounding board 3 cooperation, and the second gasket 4 installed on the insertion block 17 is connected with the second sealing groove 19 of the insertion hole 18 cooperation, when assembling the surrounding board 3 is finished, the surrounding board 3 can be installed to the cover plate 13 of placing frame 1 at the moment, and the positioning block 15 on the surrounding board 3 is connected with the positioning hole 14 on the cover plate 13 cooperation, and the surrounding board 3 is connected with the base 5 cooperation, and the first gasket 2 on the base 5 is connected with the first sealing groove 16 in the surrounding board 3 cooperation, so as to facilitate the sealing of water in the concrete when pouring the concrete in the surrounding board 3.
[0032] In the embodiment, the fixing mechanism comprises the support frame 6, the spring 7, the clamping block 8, the cover pressing plate 9 and the pressure increasing assembly. In use, when the surrounding plate 3 is installed on the placing frame 1, the cover pressing plate 9 is installed on the surrounding plate 3, and the embedded plate 21 on the cover pressing plate 9 is matched with the embedded hole 20 of the surrounding plate 3, so that the position of the surrounding plate 3 is fixed, and the surrounding plate 3 is prevented from being expanded when the concrete is poured. When the cover pressing plate is installed on the surrounding plate 3, the support frame 6 is installed on the placing frame 1. First, the clamping block 8 is pulled upward, the clamping block 8 is stressed and transmits the force to the spring 7, the spring 7 is deformed, and the support frame 6 is installed on the placing frame 1. Then, the hand is released. At this time, the clamping block 8 directly enters the first clamping hole 22 of the placing frame 1 under the action of the spring 7, so that the support frame 6 can be fixed on the placing frame 1. After the support frame 6 is installed and fixed, in order to prevent the surrounding plate 3 from shaking when the concrete in the surrounding plate 3 is externally vibrated, the additional plate 12 on the cover pressing plate 9 is installed, so that the additional plate 12 is matched and connected with the second clamping hole 23. When the support frame 6 is fixed and installed on the placing frame 1, the sliding rod 11 slides in the first sliding groove 24 of the cover pressing plate 9. After the sliding rod 11 is fixed on the cover pressing plate 9, the rotating sleeve 10 is rotated. The internal thread 27 on the rotating sleeve 10 is screwed with the external thread 25 on the support frame 6, and the sliding rod 11 connected with the rotating sleeve 10 is acted by the rotating sleeve 10, so that the sliding rod 11 can slide in the second sliding groove 26, so as to contact the additional plate 12, so that the cover pressing plate 9 is stressed to press the surrounding plate 3, so that the surrounding plate 3 is fixed in the placing frame 1. The additional plate 12 reduces the sliding distance of the sliding rod 11, so as to enhance the pressure on the cover pressing plate 9.
[0033] Embodiment 2:
[0034] In summary, in use, the surrounding plate 3 can be assembled at this time, so that the insertion block 17 on the surrounding plate 3 is connected with the insertion hole 18 on the surrounding plate 3, and the second sealing pad 4 installed on the insertion block 17 is connected with the second sealing groove 19 of the insertion hole 18, when the surrounding plate 3 is assembled, the surrounding plate 3 can be installed on the cover plate 13 of the placing rack 1, and the positioning block 15 on the surrounding plate 3 is connected with the positioning hole 14 on the cover plate 13, and the surrounding plate 3 is connected with the base 5, and the first sealing pad 2 on the base 5 is connected with the first sealing groove 16 in the surrounding plate 3, thereby facilitating the sealing of the water in the concrete when pouring the concrete into the surrounding plate 3, when the surrounding plate 3 is installed on the placing rack 1, the cover pressing plate 9 can be installed on the surrounding plate 3, and the embedded plate 21 on the cover pressing plate 9 is matched with the embedded hole 20 of the surrounding plate 3, so that the position of the surrounding plate 3 is fixed, preventing the surrounding plate 3 from being opened during pouring of the concrete, when the cover pressing plate is installed on the surrounding plate 3, the support frame 6 can be installed on the placing rack 1 at this time, first pull the clamping block 8 upward, the clamping block 8 is stressed and transmits the force to the spring 7, so that the spring 7 is deformed, and the support frame 6 is installed on the placing rack 1, then release the hand, at this time the clamping block 8 directly enters the first clamping hole 22 of the placing rack 1 under the action of the spring 7, so that the support frame 6 can be fixed on the placing rack 1, when the support frame 6 is installed and fixed, in order to prevent the surrounding plate 3 from shaking when the concrete in the surrounding plate 3 is externally vibrated, the additional plate 12 can be installed on the cover pressing plate 9 at this time, so that the additional plate 12 is connected with the second clamping hole 23, and when the support frame 6 is fixed and installed on the placing rack 1, the sliding rod 11 slides in the first sliding groove 24 of the cover pressing plate 9, when the sliding rod 11 is fixed on the cover pressing plate 9, the rotating sleeve 10 can be rotated at this time, the internal thread 27 on the rotating sleeve 10 is screwed with the external thread 25 on the support frame 6, and the sliding rod 11 connected with the rotating sleeve 10 is acted by the rotating sleeve 10, so that the sliding rod 11 can slide in the second sliding groove 26, thereby contacting the additional plate 12, so that the cover pressing plate 9 is stressed to apply pressure to the surrounding plate 3, so that the surrounding plate 3 is fixed in the placing rack 1, and the additional plate 12 reduces the sliding distance of the sliding rod 11, thereby enhancing the pressure on the cover pressing plate 9.
[0035] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described one by one here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A sampling device for detecting impermeability of concrete, comprising a placing rack (1), a mounting mechanism and a fixing mechanism, characterized in that, The mounting mechanism comprises a first sealing gasket (2), an enclosing plate (3), a second sealing gasket (4) and a base (5), the first sealing gasket (2) is fixedly installed on the base (5) and is connected with the enclosing plate (3), the enclosing plate (3) is installed on the placing rack (1) and is connected with the placing rack (1), the second sealing gasket (4) is fixedly installed on the enclosing plate (3) and is connected with the enclosing plate (3), and the base (5) is linearly arranged on the placing rack (1).
2. The sampling device for permeability testing of concrete according to claim 1, characterized in that: The fixing mechanism comprises a support frame (6), a spring (7), a clamping block (8), a cover pressing plate (9) and a booster assembly, the support frame (6) is installed on the placing rack (1) and is connected with the placing rack (1), the spring (7) is fixedly installed in the support frame (6) and is fixedly connected with the clamping block (8) at the other end, the clamping block (8) is installed on the support frame (6) and is slidably connected with the support frame (6) and is connected with the placing rack (1), and the cover pressing plate (9) is installed on the enclosing plate (3) and is connected with the enclosing plate (3).
3. The sampling device for permeability testing of concrete according to claim 2, characterized in that: The booster assembly comprises a rotating sleeve (10), a sliding rod (11) and an additional plate (12), the rotating sleeve (10) is installed on the support frame (6) and is rotatably connected with the sliding rod (11), the sliding rod (11) is installed on the support frame (6) and is slidably connected with the support frame (6), and the additional plate (12) is installed on the cover pressing plate (9).
4. The sampling device for permeability testing of concrete according to claim 3, characterized in that: The placing rack (1) is provided with a cover plate (13), the cover plate (13) is provided with a positioning hole (14), the enclosing plate (3) is installed on the cover plate (13) and is connected with the positioning hole (14).
5. The sampling device for permeability testing of concrete according to claim 1, characterized in that: The cover plate (13) is provided with a positioning block (15) and a first sealing groove (16), the positioning block (15) is connected with the positioning hole (14), and the first sealing gasket (2) is connected with the first sealing groove (16).
6. The sampling device for permeability testing of concrete according to claim 1, characterized in that: The enclosing plate (3) is provided with an insertion block (17) and an insertion hole (18), the insertion block (17) and the insertion hole (18) are connected, the insertion hole (18) is internally provided with a second sealing groove (19), and the second sealing gasket (4) is connected with the second sealing groove (19).
7. The sampling device for permeability testing of concrete according to claim 2, characterized in that: The enclosing plate (3) is provided with an embedding hole (20), the cover pressing plate (9) is provided with an embedding plate (21), and the embedding plate (21) is connected with the embedding hole (20).
8. The sampling device for permeability testing of concrete according to claim 7, characterized in that: The placing rack (1) is provided with a first clamping hole (22), the cover pressing plate (9) is provided with a second clamping hole (23), the clamping block (8) is connected with the first clamping hole (22), and the additional plate (12) is connected with the second clamping hole (23). The cover pressing plate (9) and the additional plate (12) are provided with a first sliding groove (24), the support frame (6) is provided with an external thread (25) and a second sliding groove (26), the rotating sleeve (10) is provided with an internal thread (27), the internal thread (27) is connected with the external thread (25), and the sliding rod (11) is slidably connected with the first sliding groove (24) and the second sliding groove (26).