Crack detection device

Abstract

The utility model provides a crack detection device which comprises a crack meter, a support used for fixing the crack meter and an inserting rod arranged on one side of the support, the inserting rod comprises a main body rod and a fixing frame adjustably arranged on the main body rod, the fixing frame comprises a frame body arranged on the outer side of the main body rod and a supporting rod arranged on the frame body, and an adjusting mechanism is arranged between the support and the inserting rod. The adjusting structure comprises an adjusting sleeve rotationally arranged on one side of the support, a screw rod is arranged on one side of the adjusting sleeve, a threaded sleeve is arranged on the screw rod in a threaded connection mode, a connecting rod is arranged between the threaded sleeve and the support body, and an avoiding groove corresponding to the connecting rod is formed in the inserting rod. The inserting rod is arranged on one side of the support, the supporting rod is arranged on one side of the inserting rod for auxiliary fixing, during use, the adjusting sleeve is rotated to drive the screw rod to rotate, so that the threaded sleeve and the supporting rod are driven to move along the inserting rod to be inserted into soil, and the supporting rod can be inserted in a more labor-saving and stable mode through the arrangement of the screw rod and the threaded sleeve; the problem of unstable fixation of the crack meter is avoided, and the detection precision is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of crack detection, and particularly relates to a crack detection device. Background Art

[0002] A crack gauge, also known as a crack meter, is an instrument for monitoring crack depth, width, and opening degree. It is mainly used for precise detection of the width of cracks in bridges, tunnels, buildings, concrete pavements, etc. It is often applied in fields such as water conservancy dams, landslides, geological disasters, and bridges.

[0003] In the prior art, when monitoring geological disaster cracks, the base point and measuring point installation fixing brackets of the crack gauge insertion rod are fixed by pouring concrete mortar, which are large in size and heavy in weight, inconvenient to install and carry, and cannot meet the emergency requirements such as "install and use immediately, disassemble and leave immediately"; while the crack gauge with a simple fixing setting is prone to the problem of unstable fixing, affecting the detection accuracy. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a crack detection device, aiming to solve the technical problem that in the prior art, the crack gauge with a simple fixing setting is prone to the problem of unstable fixing, affecting the detection accuracy.

[0005] To achieve the above purpose, the utility model is realized by the following technical solution: A crack detection device includes a crack gauge, a bracket for fixing the crack gauge, and a fixing mechanism arranged on one side of the bracket. The fixing mechanism includes an insertion rod and a fixing frame adjustably arranged on the insertion rod. The fixing frame includes a frame body arranged outside the main body rod and a support rod arranged on the frame body. An adjusting mechanism for adjusting the fixing frame is arranged between the bracket and the insertion rod. The adjusting mechanism includes an adjusting sleeve rotatably arranged on one side of the bracket. One side of the adjusting sleeve is provided with a screw rod, and a nut sleeve is screwed on the screw rod. A connecting rod is arranged between the nut sleeve and the frame body, and an avoidance groove corresponding to the connecting rod is arranged on the insertion rod.

[0006] According to one aspect of the above technical solution, an adjusting handle is arranged on the outer side of the adjusting sleeve.

[0007] According to one aspect of the above technical solution, the frame body includes a main body part sleeved on the outer wall of the main body rod and a sliding part extending from one end of the main body part towards the inner side of the main body rod. The sliding part corresponds to the avoidance groove.

[0008] According to one aspect of the above technical solution, the connecting rod includes a rod body part arranged on the outer side of the nut sleeve and an extension part vertically arranged on the side of the rod body part away from the bracket. The extension part is connected to the frame body.

[0009] According to one aspect of the above technical solution, the bracket includes an assembly frame for fixing the crack gauge, and an installation frame disposed between the assembly frame and the insertion rod, and the adjusting mechanism is disposed on a side of the installation frame away from the assembly frame.

[0010] According to one aspect of the above technical solution, the bracket further includes an adjusting frame swingably disposed on one side of the installation frame through a rotating shaft, and the assembly frame is fixed on the adjusting frame.

[0011] According to one aspect of the above technical solution, the bracket further includes a fastening member disposed between the adjusting frame and the installation frame. The fastening member includes a bolt screwed on one side of the adjusting frame, and an avoidance groove corresponding to the bolt is formed in the middle of the rotating shaft.

[0012] According to one aspect of the above technical solution, the assembly frame includes a first plate body portion fixed on the adjusting frame, a second plate body portion vertically disposed at one end of the first plate body portion, and a hook disposed on the second plate body portion.

[0013] Compared with the prior art, the beneficial effect of the present utility model is that: by providing an insertion rod on one side of the bracket and arranging a support rod on one side of the insertion rod for auxiliary fixation, the support rod is adjusted through a screw rod. During use, by inserting the insertion rod into the soil of the area to be measured, and then driving the screw rod to rotate by rotating the adjusting sleeve, thereby driving the screw sleeve and the support rod to move along the insertion rod and insert into the soil. The arrangement of the screw rod and the screw sleeve can make the insertion of the support rod more labor-saving and stable, avoid the problem of unstable fixation of the crack gauge, and ensure the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of a crack detection device in an embodiment of the present utility model;

[0015] Figure 2 is Figure 1 an enlarged view of part A in

[0016] Figure 3 is Figure 1 an enlarged view of part B in

[0017] MAIN SYMBOL DESCRIPTION OF ELEMENTS:

[0018] Assembly frame 10, first plate body portion 10a, second plate body portion 10b, hook 11, insertion rod 20, adjusting sleeve 30, adjusting handle 31, screw rod 32, screw sleeve 33, connecting rod 34, rod body portion 34a, extension portion 34b, frame body 40, support rod 41, installation frame 51, adjusting frame 52, rotating shaft 53, bolt 54;

[0019] The following specific embodiments will further illustrate the present utility model in conjunction with the above drawings. SPECIFIC EMBODIMENTS

[0020] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant attached drawings. Several embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used herein in the description of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] Please refer to Figures 1 to 3 , which shows a crack detection device in an embodiment of the present utility model, including a crack meter, a bracket for fixing the crack meter, and a fixing mechanism provided on one side of the bracket. The fixing mechanism includes a plug rod 20 and a fixing frame adjustably provided on the plug rod 20. The fixing frame includes a frame body 40 provided on the outer side of the main body rod and a support rod 41 provided on the frame body 40. An adjusting mechanism for adjusting the fixing frame is provided between the bracket and the plug rod 20. The adjusting mechanism includes an adjusting sleeve 30 rotatably provided on one side of the bracket. A screw rod 32 is provided on one side of the adjusting sleeve 30. A nut sleeve 33 is screwed on the screw rod 32. A connecting rod 34 is provided between the nut sleeve 33 and the frame body 40. An avoidance groove corresponding to the connecting rod 34 is provided on the plug rod 20.

[0024] Preferably, in this embodiment, an adjusting handle 31 is provided on the outer side of the adjusting sleeve 30. Specifically, the adjusting handle 31 is annularly arranged on the outer side of the adjusting sleeve 30. During use, by grasping the adjusting handle 31 and pressing down, it is convenient for the insertion rod 20 to be inserted into the embedded hole. After the insertion rod 20 is initially fixed in the soil, by rotating the adjusting handle 31 to drive the screw rod 32 to rotate, under the limiting action of the avoidance groove and the connecting rod 34, the screw sleeve 33 drives the fixing frame to move along the outer wall of the insertion rod 20 until a part of the support rod 41 is inserted into the soil to complete the further fixation of the bracket, preventing the insertion rod 20 from swinging, thereby ensuring the stable fixation of the crack gauge; after use, the entire device can be pulled out by holding the adjusting handle 31, meeting the emergency requirements of "install and use immediately, disassemble and leave immediately", and improving the practicability of the product.

[0025] Specifically, in this embodiment, the above-mentioned frame body 40 includes a main body part sleeved on the outer wall of the main body rod, and a sliding part extending from one end of the main body part towards the inner side of the main body rod, and the sliding part is correspondingly arranged with the avoidance groove. Specifically, in this embodiment, the number of the above-mentioned support rods 41 is three, and the three support rods 41 are arranged in an array on the outer side of the frame body 40. At the same time, the number of the above-mentioned sliding parts is three, and the three sliding parts are arranged in an array on the inner side of the sliding part. It can be understood that in other embodiments of the present application, the number of the above-mentioned support rods 41 and each sliding part can also be set to two or four, etc.

[0026] Preferably, in this embodiment, the above-mentioned connecting rod 34 includes a rod body part 34a arranged on the outer side of the screw sleeve 33, and an extension part 34b vertically arranged on the side of the rod body part 34a away from the bracket, and the extension part 34b is connected to the frame body 40. Specifically, a hollow groove is provided in the middle of the above-mentioned insertion rod 20 to facilitate the insertion of the insertion rod 20. A baffle is provided at the bottom of the above-mentioned screw rod 32 and is connected to the inner wall of the insertion rod 20. The baffle is used to block the soil to reduce the influence of the soil on the adjusting mechanism; by setting the extension part 34b and arranging the frame body 40 on one side of the extension part 34b, the frame body 40 can be moved to the lower side of the screw rod 32 during use, thereby facilitating the adjustment of the insertion depth of the support rod 41 and improving the fixing effect.

[0027] Furthermore, in this embodiment, the above-mentioned bracket includes an assembly frame 10 for fixing the crack gauge, and a mounting frame 51 arranged between the assembly frame 10 and the insertion rod 20. The adjusting mechanism is arranged on the side of the mounting frame 51 away from the assembly frame 10. The bracket further includes an adjusting frame 52 swingably arranged on one side of the mounting frame 51 through a rotating shaft 53, and the assembly frame 10 is fixed on the adjusting frame 52; the above-mentioned assembly frame 10 includes a first plate body part 10a fixed on the adjusting frame 52, a second plate body part 10b vertically arranged at one end of the first plate body part 10a, and a hook 11 arranged on the second plate body part 10b.

[0028] In some application scenarios of this embodiment, after the bracket is fixed, the wire rope of the crack meter arranged at another monitoring point is fixed to the above-mentioned hook 11, and by adjusting the installation angle of the adjusting frame 52, the height difference between the two monitoring points can be adapted; preferably, in other embodiments of the present application, a protection tube for protecting the wire rope is further provided on the above-mentioned first plate portion 10a.

[0029] Furthermore, in this embodiment, the above-mentioned bracket further includes a fastener provided between the adjusting frame 52 and the mounting frame 51. The fastener includes a bolt 54 screwed on one side of the adjusting frame 52, and a clearance groove corresponding to the bolt 54 is opened in the middle of the rotating shaft 53. During use, by tightening the bolt 54 to make it abut against the outer wall of the mounting frame 51, the fixing of the adjusting frame 52 relative to the mounting frame 51 can be realized; when the installation angle of the adjusting frame 52 needs to be adjusted, unscrew the bolt 54 to make it away from the outer wall of the mounting frame 51.

[0030] In summary, for the crack detection device in the above-mentioned embodiment of the present utility model, by providing an insertion rod 20 on one side of the bracket and arranging a support rod 41 on one side of the insertion rod 20 for auxiliary fixation, the support rod 41 is adjusted by a screw rod 32. During use, by inserting the insertion rod 20 into the soil of the area to be measured, and then driving the screw rod 32 to rotate by rotating the adjusting sleeve 30, thereby driving the screw sleeve 33 and the support rod 41 to move along the insertion rod 20 and insert into the soil. The settings of the screw rod 32 and the screw sleeve 33 can make the insertion of the support rod 41 more labor-saving and stable, avoid the problem of unstable fixation of the crack meter, and ensure the detection accuracy.

[0031] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0032] The above-mentioned embodiments only represent several implementation manners of the present utility model, and their descriptions are relatively specific and detailed, but should not be construed as a limitation on the scope of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the appended claims.

Claims

1. A crack detection device, characterized in that: It includes a crack meter, a bracket for fixing the crack meter, and a fixing mechanism arranged on one side of the bracket, the fixing mechanism includes an insertion rod and a fixing frame adjustably arranged on the insertion rod, the fixing frame includes a frame body arranged outside the main rod, and a support rod arranged on the frame body, an adjustment mechanism for adjusting the fixing frame is arranged between the bracket and the insertion rod, the adjustment mechanism includes an adjustment sleeve rotatably arranged on one side of the bracket, a screw rod is arranged on one side of the adjustment sleeve, a screw sleeve is threadedly arranged on the screw rod, a connecting rod is arranged between the screw sleeve and the frame body, and an avoidance groove corresponding to the connecting rod is opened on the insertion rod.

2. The crack detection device according to claim 1, characterized in that: An adjusting handle is arranged on the outer side of the adjusting sleeve.

3. The crack detection device according to claim 1, characterized in that: The frame body comprises a main body portion sleeved on the outer wall of the main body rod, and a sliding portion formed by extending from one end of the main body portion toward the inner side of the main body rod, and the sliding portion is arranged corresponding to the avoidance groove.

4. The crack detection device according to claim 1, characterized in that: The connecting rod comprises a rod body portion arranged outside the screw sleeve, and an extension portion vertically arranged on a side of the rod body portion away from the bracket, and the extension portion is connected to the bracket.

5. The crack detection device according to claim 1, characterized in that: The bracket comprises an assembly frame for fixing the crack meter and a mounting frame arranged between the assembly frame and the insertion rod, and the adjustment mechanism is arranged on a side of the mounting frame away from the assembly frame.

6. The crack detection device according to claim 5, characterized in that: The bracket also includes an adjustment frame which is swingably arranged on one side of the mounting frame through a rotating shaft, and the assembly frame is fixed on the adjustment frame.

7. The crack detection device according to claim 6, characterized in that: The bracket also includes a fastener arranged between the adjustment frame and the mounting frame, and the fastener includes a bolt threadedly arranged on one side of the adjustment frame, and a clearance groove corresponding to the bolt is opened in the middle of the rotating shaft.

8. The crack detection device according to claim 6, characterized in that: The assembly frame comprises a first plate body portion fixed on the adjustment frame, a second plate body portion vertically arranged at one end of the first plate body portion, and a hook arranged on the second plate body portion.

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