Concrete impermeability detection device

Abstract

The utility model relates to the technical field of building material detection, and discloses a concrete impermeability detection device which comprises a detection device body, and a test base and a cover die which are arranged on the detection device body, the detection device body is provided with a pressing mechanism for locking the test base and the cover die, the pressing mechanism comprises a hydraulic cylinder and a pressing plate, the bottom of the hydraulic cylinder is connected with a transverse plate, the bottom of the transverse plate is connected with two connecting rods, and the tail ends of the connecting rods are connected with the pressing plate; a cover plate is rotationally connected to the pressing plate, a self-locking mechanism is arranged between the pressing plate and the cover plate and comprises a connecting block, a clamping groove and a clamping block, the clamping groove is formed in the cover plate, the clamping block is slidably installed in the connecting block, and the clamping block is inserted into the clamping groove. According to the utility model, the hydraulic cylinder drives the pressing plate to synchronously lock all test pieces; the self-locking mechanism realizes automatic locking of the cover plate, and a single group of test pieces can be instantly released only by pulling the shifting block during unlocking; and in cooperation with the quick release design, the tested piece can be independently taken out through the central through hole under the condition that other test pieces are not influenced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to building material detection technical field, concretely relates to a concrete impermeability detection device. BACKGROUND

[0002] Concrete is indispensable artificial building material in modern construction engineering, and its impermeability directly influences the durability and functionality of building structure, and for special scenes such as hydraulic structure and underground engineering, material must have the ability of resisting the penetration of water and other fluid medium under pressure environment, and this impermeability is not only related to the service life of building, but also is the key index of guaranteeing the safe operation of internal facilities.

[0003] The existing concrete impermeability appearance test mould is fixed in test mould seat in the mode of bolt fixation, and sealing pressure distribution is uneven, leakage phenomenon often occurs in the testing process, and test piece installation needs to be locked manually one by one, and single group test piece replacement takes long time, so it cannot satisfy batch detection demand.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] In order to solve the problem of long time replacement of single group test piece, the basic idea of the technical scheme of the utility model is as follows:

[0006] A concrete impermeability detection device, comprising a detection device body, a test base and a sleeve mould installed on the detection device body, and a pressing mechanism for locking the test base and the sleeve mould.

[0007] The pressing mechanism comprises a hydraulic cylinder and a pressing plate, the bottom of the hydraulic cylinder is connected with a horizontal plate, the bottom of the horizontal plate is connected with two connecting rods, and the end of the connecting rod is connected with the pressing plate.

[0008] The pressing plate is rotatably connected with a cover plate, a self-locking mechanism is arranged between the pressing plate and the cover plate, the self-locking mechanism comprises a connecting block, a clamping groove and a clamping block, the cover plate is provided with the clamping groove, the clamping block is slidably installed in the connecting block, and the clamping block is inserted into the clamping groove.

[0009] As a preferred embodiment of the utility model, a supporting rod is installed on the detection device body, the pressing plate is slidably installed on the supporting rod, the end of the supporting rod is connected with a mounting plate, and the mounting plate is installed with the hydraulic cylinder.

[0010] As a preferred embodiment of the utility model, six connecting blocks are installed on the pressing plate, sliding grooves and straight grooves are formed in the connecting blocks, clamping blocks and pushing blocks are slidably installed in the sliding grooves and the straight grooves respectively, the clamping blocks and the pushing blocks are fixedly connected, springs are installed in the sliding grooves, one end of the spring is connected to the side wall of the sliding groove, and the other end of the spring is connected to the clamping block.

[0011] As a preferred embodiment of the utility model, a rotating shaft is installed on the pressing plate, and the cover plate is rotatably installed on the rotating shaft.

[0012] As a preferred embodiment of the utility model, a through hole is formed in the pressing plate, the through hole is coaxial with the test base and the sleeve mold, the diameter of the through hole is greater than the maximum diameter of the sleeve mold, and the cover plate is installed above the through hole.

[0013] As a preferred embodiment of the utility model, an observation port is formed in the cover plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model drives the pressing plate to lock all test pieces synchronously through a hydraulic cylinder; the self-locking mechanism automatically locks the cover plate, and when unlocking, only the pushing block needs to be pulled to release a single set of test pieces instantaneously; in cooperation with the quick release design, the tested piece can be independently taken out through the central through hole without affecting other test pieces.

[0016] The specific embodiments of the utility model will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] In the drawings:

[0018] Figure 1 It is a three-dimensional view of a concrete impermeability detection device;

[0019] Figure 2 It is a partial sectional view of a concrete impermeability detection device;

[0020] Figure 3 It is a concrete impermeability detection device Figure 2 The enlarged view of A in the middle;

[0021] Figure 4 It is a concrete impermeability detection device Figure 2 The enlarged view of B in the middle.

[0022] In the figure: 1, detection device body; 2, test base; 3, sleeve die; 4, support rod; 5, mounting plate; 6, hydraulic cylinder; 7, cross plate; 8, connecting rod; 9, pressing plate; 10, cover plate; 11, rotating shaft; 12, clamping groove; 13, connecting block; 14, sliding groove; 15, straight groove; 16, clamping block; 17, pushing block; 18, spring; 19, through hole; 20, observation port. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0024] As shown in the figure, Figures 1 to 4 A concrete impermeability detection device, comprising a detection device body 1 and a test base 2 and a sleeve die 3 mounted on the detection device body 1;

[0025] The detection device body 1 is provided with a pressing mechanism for locking the test base 2 and the sleeve die 3, and the pressing mechanism comprises a hydraulic cylinder 6 and a pressing plate 9, the bottom of the hydraulic cylinder 6 is connected with a cross plate 7, the bottom of the cross plate 7 is connected with two connecting rods 8, and the connecting rods 8 are connected with the pressing plate 9 at the ends;

[0026] The pressing plate 9 is rotatably connected with a cover plate 10, and a self-locking mechanism is arranged between the pressing plate 9 and the cover plate 10, the self-locking mechanism comprises a connecting block 13, a clamping groove 12 and a clamping block 16, the cover plate 10 is provided with the clamping groove 12, the clamping block 16 is slidingly installed in the connecting block 13, and the clamping block 16 is inserted into the clamping groove 12. In the present setting, the detection device body 1 serves as a basic frame, supports the test base 2, the sleeve die 3 and the pressing mechanism, provides a stable detection platform, the test base 2 bears the concrete test piece, the built-in water inlet pipe is used for injecting the permeation medium, and the test base 2 is precisely connected with the sleeve die 3 through the positioning pin, and the sleeve die 3 is sleeved with the concrete test piece; the hydraulic cylinder 6 provides a vertical driving force, the cross plate 7 is pushed and pulled through the piston rod, the pressing plate 9 is driven to move up and down, and the cross plate 7 and the connecting rod 8 serve as a force transmission medium, so that the single-point hydraulic pressure is converted into the uniform surface pressure of the pressing plate 9; the connecting block 13 is fixed to the top surface of the pressing plate 9, the built-in sliding groove 14 and the straight groove 15 guide the movement of the clamping block 16 and the pushing block 17, the clamping groove 12 is arranged on the bottom surface of the cover plate 10 and forms a locking structure with the clamping block 16, so that the cover plate 10 is not loose during high-pressure testing, the clamping block 16 is fixedly connected with the pushing block 17, and the pushing block 17 is pulled to realize unlocking.

[0027] As shown in the figure, Figures 1 to 4 In the specific embodiment, the detection device body 1 is provided with a support rod 4, the pressing plate 9 is slidingly installed on the support rod 4, the support rod 4 is connected with a mounting plate 5 at the end, and the mounting plate 5 is provided with a hydraulic cylinder 6. In the present setting, the four support rods 4 are arranged in an axisymmetric manner, provide vertical movement guidance for the pressing plate 9, and the mounting plate 5 fixes the hydraulic cylinder 6.

[0028] As Figures 1 to 4 shown, further, the pressing plate 9 is installed with six connecting blocks 13, the connecting blocks 13 are provided with sliding grooves 14 and straight grooves 15, the sliding grooves 14 and the straight grooves 15 are respectively slidably installed with clamping blocks 16 and pushing blocks 17, the clamping blocks 16 and the pushing blocks 17 are fixedly connected, the sliding grooves 14 are installed with springs 18, one end of the spring 18 is connected to the side wall of the sliding groove 14, and the other end is connected to the clamping block 16. In the present setting, the connecting block 13 ensures that the locking force is uniform, the sliding groove 14 guides the movement of the clamping block 16, the straight groove 15 guides the linear movement of the pushing block 17, the clamping block 16 is automatically guided into the clamping groove 12 when closed, and is unlocked in linkage with the pushing block 17, the surface of the pushing block 17 is designed with anti-skid lines, manual operation drives the clamping block 16 to compress the spring 18 to separate from the clamping groove 12, the spring 18 is made of stainless steel material, which can make the clamping block 16 reset and re-enter the clamping groove 12.

[0029] As Figures 1 to 4 shown, the pressing plate 9 is installed with a rotating shaft 11, and the cover plate 10 is rotatably installed on the rotating shaft 11. In the present setting, the rotating shaft 11 supports the cover plate 10 to rotate around the pressing plate 9.

[0030] As Figures 1 to 4 shown, the pressing plate 9 is provided with a through hole 19, the through hole 19 is coaxial with the test base 2 and the sleeve mold 3, the diameter of the through hole 19 is greater than the maximum diameter of the sleeve mold 3, and the cover plate 10 is installed above the through hole 19. In the present setting, the diameter of the through hole 19 is greater than the outer diameter of the sleeve mold 3, allowing a single set of test pieces to be independently taken out.

[0031] As Figures 1 to 4 shown, the cover plate 10 is provided with an observation hole 20. In the present setting, the observation hole 20 on the cover plate 10 can be used to monitor the penetration of the test pieces in real time.

[0032] The implementation principle of the concrete impermeability detection device of the embodiment is as follows: first, the hydraulic cylinder 6 is started to pull the horizontal plate 7, the connecting rod 8 drives the pressing plate 9 to move upward along the support rod 4 to the highest limit, the sleeve mold 3 is taken out from the test base 2 and reinstalled after being installed in the concrete test piece, and the positioning pin ensures the coaxiality of the sleeve mold 3 and the test base 2; after the installation is completed, the hydraulic cylinder 6 drives the pressing plate 9 to uniformly press downward along the support rod 4, the hydraulic pressure is converted into uniform pressure by the connecting rod 8 mechanism, the cover plate 10 installed on the pressing plate 9 forms surface contact with the top flange of the sleeve mold 3, and the pressure sensor monitors the contact force in real time; after the pressure reaches the set value, the test system is started, the permeation medium is injected through the water inlet pipe of the test base 2, the operator can monitor the test piece permeation in real time through the observation hole 20 on the cover plate 10, the intelligent system synchronously records the pressure, temperature and deformation data and gives an early warning for the abnormality; after the test is completed, the knob 17 is pulled to drive the clamping block 16 to compress the spring 18 in the sliding groove 14 and separate from the clamping groove 12 of the cover plate 10, the cover plate 10 is turned upward around the rotating shaft 11 to be opened, the sleeve mold 3 and the test piece are taken out through the center through hole 19 of the pressing plate 9, this design allows the replacement of a single test piece without affecting the test of other test pieces, and the detection efficiency is significantly improved; when the new test piece is replaced, the cover plate 10 is closed to make the bottom boss push the clamping block 16 to compress the spring 18, when the clamping groove 12 is aligned with the clamping block 16, the spring 18 resets to push the clamping block 16 into the clamping groove 12, and the cover plate 10 and the pressing plate 9 are quickly locked; when all the test pieces are tested, the hydraulic cylinder 6 is controlled to lift the pressing plate 9 as a whole, and all the sleeve molds 3 and test pieces can be taken out at one time, and the detection efficiency is further improved.

Claims

1. A concrete impermeability detection device, comprising a detection device body, a test base and a sleeve mounted on the detection device body, characterized in that: a pressing mechanism for locking the test base and the sleeve is mounted on the detection device body, the pressing mechanism comprising a hydraulic cylinder and a pressing plate, a cross plate is connected to the bottom of the hydraulic cylinder, two connecting rods are connected to the bottom of the cross plate, and the connecting rods are connected to the pressing plate at the ends thereof; a cover plate is rotatably connected to the pressing plate, a self-locking mechanism is arranged between the pressing plate and the cover plate, the self-locking mechanism comprising a connecting block, a clamping groove and a clamping block, the clamping groove is formed in the cover plate, and the clamping block is slidably mounted in the connecting block and inserted into the clamping groove. A support rod is mounted on the detection device body, the pressing plate is slidably mounted on the support rod, an installation plate is connected to the end of the support rod, and the hydraulic cylinder is mounted on the installation plate. Six connecting blocks are mounted on the pressing plate, a sliding groove and a straight groove are formed in the connecting blocks, a clamping block and a pushing block are slidably mounted in the sliding groove and the straight groove, respectively, the clamping block and the pushing block are fixedly connected to each other, a spring is mounted in the sliding groove, one end of the spring is connected to the side wall of the sliding groove, and the other end of the spring is connected to the clamping block.

2. A device for detecting permeability of concrete according to claim 1, wherein A rotating shaft is mounted on the pressing plate, and the cover plate is rotatably mounted on the rotating shaft.

3. A device for detecting permeability of concrete according to claim 1, wherein A through hole is formed in the pressing plate, the through hole is coaxial with the test base and the sleeve, the diameter of the through hole is greater than the maximum diameter of the sleeve, and the cover plate is mounted above the through hole.

4. The concrete permeability detection device of claim 1, wherein, An observation hole is formed in the cover plate.

5. The concrete permeability detection device of claim 1, wherein, ​ 6. The concrete permeability detection device of claim 1, wherein ​

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