Concrete carbonization depth measuring instrument

Abstract

The utility model relates to the technical field of concrete carbonization depth measurement, in particular to a concrete carbonization depth measuring instrument which comprises a protective cover, the whole protective cover is in a U shape, the two sides of the protective cover are slidably connected with the two sides of a detecting instrument respectively, and a locking structure is further arranged on the outer wall of the detecting instrument. The locking structure comprises an elastic piece and a fixing assembly, the two ends of the elastic piece are connected with the protective cover and the outer wall of the detector respectively, and the elastic piece can pull the protective cover to cover the measuring contact pin under the action of no external force; and the fixing assembly is used for limiting the relative separation state of the protective cover and the measuring contact pin, so that the purposes of protecting the measuring contact pin and prolonging the service life of the measuring instrument when the detector is idle are achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of concrete carbonation depth measurement, in particular to a concrete carbonation depth measurement instrument. BACKGROUND

[0002] At present, the carbonation of concrete is a chemical corrosion suffered by the concrete, factors affecting the carbonation speed of the concrete are various, the cement variety is relatively large, and the penetration of carbon dioxide in the air into the concrete also affects the carbonation of the concrete, and the concrete carbonation depth value can indirectly reflect the durability of the concrete.

[0003] Therefore, the concrete carbonation depth measurement instrument needs to be used to measure the carbonation depth value, and the existing detection instrument is handheld and has a detection stylus.

[0004] The prior art in the above has the following defects: when the concrete carbonation depth measurement instrument is idle, the measurement stylus on the concrete carbonation depth measurement instrument is easily damaged due to collision with foreign matters, and the service life is affected. CONTENT OF THE INVENTION

[0005] The application provides a concrete carbonation depth measurement instrument to achieve the purposes of protecting the measurement stylus and prolonging the service life of the measurement instrument.

[0006] The above technical purpose of the application is achieved through the following technical scheme:

[0007] A concrete carbonation depth measurement instrument comprises a protective cover, the protective cover is in a U shape as a whole, the two sides of the protective cover are slidably connected with the two sides of a detection instrument respectively, an outer wall of the detection instrument is further provided with a locking structure, the locking structure comprises an elastic member and a fixing assembly, the two ends of the elastic member are connected with the protective cover and the outer wall of the detection instrument respectively, under the action of no external force, the elastic member can pull the protective cover to cover the outside of a measurement stylus, and the fixing assembly is used for limiting the relative separation state of the protective cover and the measurement stylus.

[0008] Through the above scheme, the elastic member can pull the protective cover, so that the protective cover is sleeved on the outside of the measurement stylus, and the measurement stylus is protected, when the detection instrument needs to be used for measurement operation, the protective cover is separated from the detection stylus by being actuated, then the relative position of the protective cover and the detection instrument is locked by using the fixing assembly, the purpose of protecting the measurement stylus and prolonging the service life of the measurement instrument when the detection instrument is idle is achieved.

[0009] Further, the two sides of the detection instrument are fixedly connected with sliding grooves, the opposite two side walls of the protective cover are fixedly connected with sliding blocks, and the sliding blocks are slidably connected with the sliding grooves, and the relative position relationship between the protective cover and the measurement stylus can be controlled through the slidable connection between the sliding blocks and the sliding grooves.

[0010] Further, the inner wall of the protective cover is provided with a limiting rod, when the elastic member pulls the protective cover to set the outside of the measuring stylus, the end of the limiting rod away from the protective cover abuts against the outer wall of the probe.

[0011] By adopting the above scheme, the limiting rod is provided to limit the maximum distance of the elastic member driving the protective cover to move towards the measuring stylus in the state of protecting the measuring stylus by the protective cover, so as to avoid damaging the measuring stylus by the protective cover.

[0012] Further, the bottom wall of each chute is fixedly connected with a moving groove, the bottom wall of each chute is provided with a through hole for communication with the moving groove, and the hole diameter of the through hole is larger than the sliding block; the bottom wall of the moving groove is threadedly connected with a jackscrew, and the jackscrew is used to control the opening and closing of the through hole.

[0013] By adopting the above scheme, the moving groove is provided, so that when the protective cover needs to be separated from the measuring stylus for measurement, the jackscrew is rotated to be flush with the bottom wall of the chute, and then the sliding block is pulled into the moving groove through the through hole, because the sliding block is fixedly connected with the protective cover, when the sliding block slides into the moving groove, the sliding block drives the protective cover to separate from the measuring stylus.

[0014] Further, the fixing assembly comprises a positioning plate arranged at the back of the probe, when the jackscrew is rotated to be flush with the bottom wall of the moving groove, the sliding block can enter the moving groove through the through hole, and under the action of the elastic member, the sliding block can slide along the moving groove to abut against the positioning plate, at this time, the protective cover is separated from the measuring stylus.

[0015] By adopting the above scheme, because the positioning plate is arranged, when the sliding block slides into the moving groove, the elastic member drives the sliding block to move along the moving groove, so that the protective cover abuts against the positioning plate, and at this time, the sliding block and the through hole are misaligned, so that the relative separation state of the protective cover and the measuring stylus is limited.

[0016] Further, the top wall of the measuring instrument is provided with a groove inward corresponding to the limiting rod.

[0017] By adopting the above scheme, when the protective cover protects the measuring stylus, the limiting rod is inserted and matched with the groove, so as to further limit the relative position of the protective cover and the probe.

[0018] Further, the two ends of the elastic member are respectively provided with a first fixing member and a second fixing member, the first fixing member is fixedly connected with the bottom wall of the measuring instrument, the second fixing member is fixedly connected with the side wall of the protective cover, one end of the elastic member is fixedly connected with the second fixing member, and the other end is hookingly connected with the first fixing member.

[0019] Further, the surface of the first fixing member is provided with a first collar and a second collar, when the elastic member is connected with the first collar, at this time, the sliding block is inserted and matched with the sliding groove, the elastic member is in a vertical state, and when the elastic member is connected with the second collar, at this time, the sliding block is inserted and matched with the moving groove, and the elastic member is in a vertical state.

[0020] By adopting the above scheme, the first collar and the second collar are arranged, so that when the sliding block is inserted and matched with the sliding groove or the moving groove, the elastic member is in a vertical state.

[0021] In summary, the application has the following technical effects:

[0022] 1. By arranging the measuring instrument, the elastic member can pull the protective cover, so that the protective cover is sleeved outside the measuring stylus, thereby protecting the measuring stylus, when the probe instrument needs to be used for measurement, the protective cover is separated from the probe needle, and then the relative position of the protective cover and the probe instrument is locked by using the fixing assembly, so that the measuring stylus is protected when the probe instrument is idle, and the service life of the measuring instrument is prolonged.

[0023] 2. By arranging the moving groove, when the protective cover needs to be separated from the measuring stylus for measurement, the top screw is rotated to be separated from the moving groove, and then the sliding block is pulled into the moving groove through the through hole, because the sliding block is fixedly connected with the protective cover, when the sliding block slides into the moving groove, the sliding block drives the protective cover to be separated from the measuring stylus.

[0024] 3. By arranging the positioning plate, when the sliding block slides into the moving groove, the elastic member drives the sliding block to move along the moving groove, so that the protective cover abuts against the positioning plate, and at this time, the sliding block and the through hole are staggered with each other, and the relative separation state of the protective cover and the measuring stylus is limited. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 is a structural schematic view of a concrete carbonation depth measuring instrument;

[0026] Fig. 2 is a structural schematic view of a protective cover;

[0027] Fig. 3 is a structural schematic view of another state of the protective cover and the measuring stylus.

[0028] In the figure, 1, protective cover; 2, locking structure; 21, elastic piece; 22, fixed assembly; 221, moving groove; 222, jackscrew; 223, positioning plate; 3, sliding assembly; 31, sliding groove; 32, sliding block; 4, limiting rod; 5, connecting assembly; 51, first fixing piece; 511, first collar; 512, second collar; 52, second fixing piece; 6, detection instrument; 61, measuring stylus. DETAILED DESCRIPTION

[0029] The application will be further described in detail below with reference to the accompanying drawings.

[0030] Referring to Figs. 1-3 The concrete carbonation depth measuring instrument provided by the embodiment comprises a protective cover 1 arranged on the outer wall of the detection instrument 6, the protective cover 1 is used for protecting the measuring stylus 61 of the detection instrument 6, sliding assemblies 3 are arranged on both sides of the detection instrument 6, the sliding assemblies 3 can control the protective cover 1 to move along the side wall of the detection instrument 6 towards the direction of approaching or moving away from the measuring stylus 61, and the surface of the detection instrument 6 is further provided with a locking structure 2, which is used for locking the protection state of the measuring stylus 61 by the protective cover 1 and the relative separation state of the protective cover 1 and the measuring stylus 61.

[0031] Referring to Figs. 1-3 Each sliding assembly 3 comprises a sliding groove 31 and a sliding block 32, the sliding groove 31 is fixedly connected with the side wall of the detection instrument 6, the protective cover 1 is in a U shape as a whole, the two legs of the protective cover 1 correspondingly have two sides, and the two sides correspondingly have two sliding grooves 31, which are fixedly connected with the sliding blocks 32, the sliding blocks 32 can reciprocate up and down along the sliding grooves 31, and thus the relative position relationship between the protective cover 1 and the measuring stylus 61 can be controlled.

[0032] Referring to Figs. 1-3 The locking structure 2 comprises an elastic piece 21 and a fixed assembly 22, two elastic pieces 21 are arranged, the two elastic pieces 21 are arranged on the two sides of the two legs away from each other, respectively, both ends of each elastic piece 21 are provided with a connecting assembly 5, each connecting assembly 5 comprises a first fixing piece 51 and a second fixing piece 52, wherein the first fixing piece 51 is fixedly connected with the bottom wall of the detection instrument 6, and the second fixing piece 52 is fixedly connected with the side wall of the leg; the two ends of the elastic piece 21 are connected with the first fixing piece 51 and the second fixing piece 52, respectively, in the embodiment, the elastic piece 21 is a spring, and under the action of no external force, the elastic piece 21 will contract and then drive the protective cover 1 to move towards the measuring stylus 61, so as to achieve the effect of protecting the measuring stylus 61.

[0033] Referring to Figs. 1-3The inner wall of the protective cover 1 is provided with a limiting rod 4, the limiting rod 4 is fixedly connected with the protective cover 1, and the top wall of the detection instrument 6 is provided with a groove corresponding to the limiting rod 4. When the elastic element 21 pulls the protective cover 1 to be arranged outside the detection instrument 6 to protect the measuring stylus 61, the limiting rod 4 is inserted and matched with the groove, and the limiting rod 4 is used for limiting the relative distance between the protective cover 1 and the detection instrument 6, so that the protective cover 1 does not damage the measuring stylus 61.

[0034] With reference to Figs. 1-3 The fixed assembly 22 comprises a moving groove 221, a top screw 222 and a positioning plate 223. The moving groove 221 is arranged in parallel with the sliding groove 31, and a through hole is arranged between the moving groove 221 and the sliding groove 31. The through hole is used for connecting the moving groove 221 and the sliding groove 31, the diameter of the through hole is greater than the cross-sectional area of the sliding block 32, the sliding block 32 can enter the moving groove 221 through the through hole, and the sliding block 32 can slide back and forth in the moving groove 221 after entering the moving groove 221. The top screw 222 is threadedly connected with the moving groove 221 and is arranged corresponding to the through hole. The top screw 222 is used for controlling the connection state of the through hole. When the top screw 222 is rotated, the surface of the top screw 222 can be flush with the bottom wall of the sliding groove 31. When the top screw 222 is flush with the bottom wall of the sliding groove 31, the top screw 222 can close the through hole, so that the sliding block 32 cannot enter the moving groove 221 through the through hole.

[0035] With reference to Figs. 1-3 The positioning plate 223 is arranged on the bottom wall of the detection instrument 6, and the positioning plate 223 is fixedly connected with the detection instrument 6. When the through hole is opened by using the top screw 222, that is, the top screw 222 is rotated and screwed down through the moving groove 221, and then the sliding block 32 is moved into the moving groove 221 through the through hole in the sliding groove 31. Because the sliding block 32 is fixedly connected with the protective cover 1, the sliding block 32 drives the protective cover 1 to move, so that the protective cover 1 is misaligned with the measuring stylus 61. Then, under the elastic effect of the elastic element 21, the protective cover 1 is abutted with the positioning plate 223, so that the relative separation state of the protective cover 1 and the measuring stylus 61 can be limited. In the embodiment, a locking groove is arranged on the surface of the positioning plate 223. When the protective cover 1 is abutted with the positioning plate 223, the limiting rod 4 is inserted and matched with the locking groove.

[0036] With reference to Figs. 1-3 In the embodiment, the surface of the first fixing element 51 is provided with a first sleeve ring 511 and a second sleeve ring 512. The first sleeve ring 511 and the second sleeve ring 512 are fixedly connected with the first fixing element 51, and the first sleeve ring 511 is opposite to the sliding groove 31, and the second sleeve ring 512 is opposite to the moving groove 221. When the elastic element 21 is hooked and connected with the first sleeve ring 511, the sliding block 32 is inserted and matched with the sliding groove 31, and the elastic element 21 is in a vertical state. When the elastic element 21 is hooked and connected with the second sleeve ring 512, the sliding block 32 is inserted and matched with the moving groove 221, and the elastic element 21 is in a vertical state.

[0037] The specific implementation principle of the concrete carbonation depth measuring instrument according to the embodiment of the application is as follows: when the probe 6 is in an idle state and the measuring stylus 61 of the probe 6 needs to be protected, first, the top pin 222 is rotated, so that the end of the top pin 222 passes through the through hole and is flush with the bottom of the sliding groove 31, then the side of the elastic member 21 connected with the first fixing member 51 is hooked in the first thimble 511, at this time, the elastic member 21 will pull the protective cover 1 to be close to the top end of the probe 6 under the elastic action of itself until the limiting rod 4 is inserted and matched with the groove, at this time, the protective cover 1 is just covered on the probe 6, at this time, the effect of protecting the measuring stylus 61 can be achieved; when the measuring stylus 61 needs to be used to measure the wall, the top pin 222 is rotated, so that the top pin 222 is removed through the moving groove, at this time, the through hole is in an open state, then the protective cover 1 is pushed, so that the position of the sliding block 32 corresponds to the through hole, then the sliding block 32 is pushed into the moving groove 221, at this time, the sliding block 32 drives the protective cover 1 to move, so that the protective cover 1 is misaligned with the probe 6, then the side of the elastic member 21 connected with the first fixing member 51 is hooked in the second thimble 512, at this time, the elastic member 21 pulls the protective cover 1 to abut against the positioning plate 223 under the elastic action of itself, at this time, the protective cover 1 is located on the bottom wall of the probe 6, at this time, the probe can be used to test the wall surface.

[0038] The specific embodiment is only an explanation of the application, and is not a limitation of the application, and those skilled in the art can make modifications to the embodiment without creative contribution according to the needs after reading the specification, but as long as the modifications are within the scope of the claims of the application, they are protected by the patent law.

Claims

1. A concrete carbonation depth meter characterized by: The utility model provides a kind of protective cover (11), and the protective cover (11) is U-shaped as a whole, and the two sides of the protective cover (11) are slidably connected with the two sides of the detector (6) respectively, and the outer wall of the detector (6) is further provided with a locking structure (2), the locking structure (2) includes elastic member (21) and fixed assembly (22), the two ends of the elastic member (21) are connected with the outer wall of the protective cover (11) and the detector (6) respectively, and under the action of no external force, the elastic member (21) can pull the protective cover (11) to cover the outside of the measuring stylus (61);The fixed assembly (22) is used to limit the state that the protective cover (11) is relatively separated from the measuring stylus (61).

2. The concrete carbonation depth measuring device according to claim 1, characterized in that: The two sides of the detector (6) are fixedly connected with sliding grooves (31), and the opposite two side walls of the protective cover (11) are fixedly connected with sliding blocks (32), the sliding blocks (32) are slidably connected with the sliding grooves (31), and the relative position relationship between the protective cover (11) and the measuring stylus (61) can be controlled by the sliding connection between the sliding blocks (32) and the sliding grooves (31).

3. The concrete carbonation depth gauge of claim 1, wherein: The inner wall of the protective cover (11) is provided with a limiting rod (4), when the elastic member (21) pulls the protective cover (11) to buckle the outside of the measuring stylus (61), the end of the limiting rod (4) away from the protective cover (11) abuts against the outer wall of the detector (6).

4. The concrete carbonation depth gauge of claim 2, wherein: The bottom wall of each sliding groove (31) is fixedly connected with a moving groove (221), and the bottom wall of each sliding groove (31) is provided with a through hole to communicate with the moving groove (221), and the aperture of the through hole is larger than the sliding block (32);The bottom wall of the moving groove (221) is threadedly connected with a jackscrew (222), and the jackscrew (222) is used to control the opening and closing of the through hole.

5. The concrete carbonation depth gauge of claim 1, wherein: The fixed assembly (22) includes a positioning plate (223), and the positioning plate (223) is arranged on the back of the detector (6), when the jackscrew (222) is rotated to be flush with the bottom wall of the moving groove (221), the sliding block (32) can enter the moving groove (221) through the through hole, and under the action of the elastic member (21), the sliding block (32) can be pulled to slide along the moving groove (221) to abut against the positioning plate (223), so that the protective cover (11) is separated from the measuring stylus (61).

6. The concrete carbonation depth gauge of claim 3, wherein: The top wall of the measuring instrument is inwardly provided with a groove corresponding to the limiting rod (4).

7. The concrete carbonation depth gauge of claim 1, wherein: The two ends of the elastic member (21) are respectively provided with a first fixing member (51) and a second fixing member (52), the first fixing member (51) is fixedly connected with the bottom wall of the measuring instrument, the second fixing member (52) is fixedly connected with the side wall of the protective cover (11), one end of the elastic member (21) is fixedly connected with the second fixing member (52), and the other end is hookingly connected with the first fixing member (51).

8. The concrete carbonation depth gauge of claim 7, wherein: The surface of the first fixing member (51) is provided with a first sleeve ring (511) and a second sleeve ring (512), when the elastic member (21) is hookingly connected with the first sleeve ring (511), the sliding block (32) is inserted and matched with the sliding groove (31) at this time, and the elastic member (21) is in vertical state, when the elastic member (21) is hookingly connected with the second sleeve ring (512), the sliding block (32) is inserted and matched with the moving groove (221) at this time, and the elastic member (21) is in vertical state.

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