A crack exploration and measurement device

Abstract

The utility model discloses a crack exploration and measurement device, which belongs to the field of geological crack exploration and measurement technology; it includes a crossbeam, support legs and a measuring sleeve rod; support legs are respectively arranged at both ends of the crossbeam, the support legs are hinged to the crossbeam, and the height of the support legs is adjustable; two groups of length-adjustable measuring sleeve rods are arranged in the middle of the crossbeam, the measuring sleeve rods are slidably connected to the crossbeam, and the measuring sleeve rods can also be rotated and locked along the sliding connection with the crossbeam; the support legs and the measuring sleeve rods can both be rotated to be parallel to the crossbeam for storage and transfer, or rotated to be perpendicular to the crossbeam for measurement and use. The utility model has a simple structure, reasonable design, and convenient operation. It can measure multi-dimensional parameters of collapse cracks, reduce human intervention, and measure quickly and accurately with high precision, saving time and effort.

Description

Technical Field

[0001] The utility model relates to a measuring device, in particular to a crack exploration and measuring device, belonging to the technical field of geological crack exploration and measurement. Background Art

[0002] Ground fissures are a geological phenomenon in which surface rocks and soil crack under the action of natural or human factors (extraction and excavation of underground coal mines, etc.), and cracks of a certain length and width are formed on the ground. When this phenomenon occurs in areas with human activities, it can become a geological disaster (once the ground fissures expand, they are prone to cause safety accidents). Therefore, effective detection of cracks, regular measurement and recording of them, mastering their changing trends, and facilitating the analysis and evaluation of geological disasters and disaster warnings are important bases for engineering and technical personnel to take corresponding preventive measures in a timely manner, facilitate early prevention and control, and thus protect the safety of people's lives and property.

[0003] Ground fissures have different lengths, edge spacing, edge vertical drop, depth and other parameters according to different degrees of collapse. In order to accurately evaluate ground fissures, it is necessary to measure the distance and other parameters of ground fissures. The cracks can be quickly measured by using a hand-held ruler, but the measured crack data is relatively one-sided, and in the measurement process, human factors have a greater impact, resulting in large errors in the measurement, reducing the accuracy of geological disaster crack measurement. In order to make the measured data reliable, operators can also use crack measurement devices to measure across the ground fissures, or set up mechanisms at both ends of the ground fissures for measurement.

[0004] However, the existing crack measurement devices have complex structures, cumbersome operations, and are not easy to effectively fix, which leads to inconvenience in operation, low efficiency in measuring ground cracks, heavy tasks for measurement personnel, and high labor intensity, which brings great inconvenience to geological crack measurement. In addition, the monitoring content is single, and the existing geological crack measurement devices can only measure straight-line distances when used, resulting in poor use of the device and affecting people's ability to make the best judgment. Summary of the invention

[0005] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a crack exploration and measurement device.

[0006] The technical solution adopted by the utility model is: designing a crack exploration and measurement device, which includes a crossbeam, support legs and a measurement sleeve rod;

[0007] Support legs are respectively arranged at both ends of the frame crossbeam, the support legs are hinged to the frame crossbeam, the support legs can rotate within a range of 90° along the hinge, and the height of the support legs is adjustable;

[0008] Two sets of length-adjustable measuring rods are arranged in the middle of the frame crossbeam, the measuring rods are slidably connected with the frame crossbeam, and the measuring rods can also be rotated and locked along the sliding connection with the frame crossbeam;

[0009] The support legs and the measuring sleeve rod can be rotated to be parallel to the frame beam for storage and transfer, or rotated to be perpendicular to the frame beam for measurement.

[0010] Furthermore, mounting plates are respectively provided at both ends of the frame crossbeam, mounting holes are provided on the mounting plates, and mounting columns rotatably connected to the mounting holes are provided at the upper ends of the support legs.

[0011] Furthermore, the supporting leg includes a main leg and a secondary leg, the main leg is a rectangular column structure, and secondary legs are respectively arranged on the other three side facades other than the side facade of the main leg away from one end of the frame cross beam, the secondary leg is hinged to the main leg, the main leg is threadedly connected with a main adjustable foot support, and the secondary leg is threadedly connected with a secondary adjustable foot support.

[0012] Furthermore, the mounting column is arranged on a side of the upper end of the main leg away from the end of the crossbeam, and each side of the auxiliary leg arranged on the main leg is also provided with a clip for clamping the free end of the auxiliary leg.

[0013] Furthermore, the frame crossbeam is respectively provided with a longitudinal through-hole and a horizontal through-hole, the measuring sleeve rod is inserted into the longitudinal through-hole, and a support rod is respectively provided on an opposite side of the measuring sleeve rod, the support rod extends into the horizontal through-hole, the measuring sleeve rod slides along the horizontal through-hole through the support rod, and rotates in the longitudinal through-hole through the support rod and the horizontal through-hole.

[0014] Furthermore, one of the branch rods of the measuring sleeve rod extends out of the horizontal through-hole, and a first hand-tightened nut is installed on the portion of the branch rod extending out of the horizontal through-hole.

[0015] Furthermore, the measuring sleeve rod comprises an outer sleeve rod and an extension rod, a slideway is arranged in the middle of the outer sleeve rod, and the extension rod is inserted into the slideway of the outer sleeve rod and can slide and be locked along the slideway.

[0016] Furthermore, an operating port is provided on one side elevation of the outer sleeve rod, the operating port is communicated with the slideway, an operating rod is provided on the upper end of the extension rod, the operating rod extends out of the operating port, and a second hand-tightened nut is threadedly connected to the operating rod.

[0017] Furthermore, the outer rod is a rectangular rod, and a cylindrical toggle rod extending out of the frame beam is provided at its upper end. The first hand-tightening nut is located at the front side of the outer rod, and the second hand-tightening nut is located at one side of the outer rod close to the end of the frame beam.

[0018] Furthermore, storage grooves are respectively provided at both ends of the frame beam, a handle is provided in the middle of the frame beam, and a handle is respectively provided on the front side and the rear side of the middle of the bottom surface of the frame beam, and the two handles are staggered left and right.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The position and angle of the measuring sleeve rod of the utility model can be adjusted and locked, which is convenient for measuring various parameters such as the width, height difference and crack slope angle of the crack. The measurement is more comprehensive and accurate, and it is more convenient to accurately evaluate the ground cracks. The measuring process is simple and fast, the measuring device is stable and reliable, the error in the measurement is reduced, and the accuracy of the geological disaster crack measurement is improved.

[0021] The crack measuring device provided by the utility model has a simple structure, uncomplicated operation, is easy to fix during measurement, and is more convenient to operate, thereby improving the efficiency of crack measurement and reducing the labor intensity of measurement personnel; it is convenient for geological crack measurement work. In addition, the utility model is also convenient for folding the storage box for transfer, further improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is a schematic diagram of the utility model in use.

[0024] Figure 2 It is a schematic diagram of an axonometric view of the utility model in an unfolded state when viewed from above.

[0025] Figure 3 It is a schematic diagram of an axonometric view of the utility model that is not fully expanded.

[0026] Figure 4 It is a schematic diagram of the storage state of the utility model.

[0027] Figure 5 It is a schematic diagram of the extension rod of the utility model.

[0028] Figure 6 This is a schematic diagram of parameter measurement of the utility model.

[0029] In the figure: 1. frame beam; 2. support leg; 3. measuring sleeve rod; 4. mounting plate; 5. mounting column; 6. main support leg; 7. auxiliary support leg; 8. main adjustment foot support; 9. auxiliary adjustment foot support; 10. clip; 11. longitudinal through-hole; 12. horizontal through-hole; 13. support rod; 14. first hand-tightening nut; 15. outer sleeve rod; 16. extension rod; 17. operating port; 18. operating rod; 19. second hand-tightening nut; 20. storage slot; 21. handle. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Example 1

[0033] like Figure 1-Figure 5 As shown: a crack exploration and measurement device, including a cross beam 1, support legs 2 and a measuring sleeve rod 3; support legs 2 are respectively arranged at both ends of the cross beam 1, and when measuring cracks, the two support legs 2 are respectively supported on both sides of the crack, so that the cross beam 1 is horizontally installed above the crack, and the support legs 2 are hinged to the cross beam 1 (preferably with damping hinge, which is more convenient to use), and the support legs 2 can rotate within a range of 90° along the hinge, that is, the support legs 2 can only be turned ninety degrees under the cross beam 1 to facilitate supporting the cross beam 1, and the height of the support legs 2 is adjustable, so as to facilitate adjusting the cross beam 1 to a horizontal state.

[0034] Two groups of adjustable-length measuring rods 3 are arranged in the middle of the crossbeam 1. The measuring rods 3 are slidably connected to the crossbeam 1. When measuring a crack, the two groups of measuring rods 3 are slid to the two sides of the crack respectively, and then the measuring rods 3 are adjusted to extend vertically to abut against the edge of the crack. At this time, the horizontal distance between the two measuring rods 3 is the width of the crack, and the difference between the extension amounts of the two groups of measuring rods 3 is the height difference on both sides of the crack. The measuring rods 3 can also be rotated and locked along the sliding connection with the crossbeam 1. The shape of the ground crack is mostly wedge-shaped, with a large opening, which decreases with increasing depth and tapers to a certain depth. Therefore, when measuring a crack, the measuring rods 3 can also be extended into the crack. By measuring the angle between the measuring rods 3 on both sides and the crossbeam 1, the angle value between the side walls on both sides of the crack and the horizontal direction can be obtained. Combined with the previously measured crack width, the depth of the crack can be calculated. Specifically, assuming that the measured crack width is d, and the angles between the side walls on both sides of the crack and the horizontal direction are A and B respectively, then the height of the triangle formed by the side walls on both sides of the crack and the horizontal surface (i.e., the depth of the crack) is h = tanAtanB·d / (tanA+tanB), as follows: Figure 6 shown.

[0035] The support legs 2 and the measuring sleeve rod 3 can be rotated to be parallel to the cross beam 1 for storage and transfer, or rotated to be perpendicular to the cross beam 1 for measurement, which is flexible and convenient to use.

[0036] In this embodiment, the specific hinge structure of the support leg 2 is configured as follows: two mounting plates 4 are respectively provided at both ends of the frame cross beam 1, mounting holes are opened on the mounting plates 4, and a mounting column 5 rotatably connected to the mounting hole is provided at the upper end of the support leg 2. By clamping the upper end of the support leg 2 between the two mounting plates 4 and inserting the mounting column 5 into the mounting hole, the support leg 2 and the frame cross beam 1 are hinged.

[0037] In this embodiment, the support leg 2 includes a main support leg 6 and a secondary support leg 7. The main support leg 6 is a rectangular column structure. The other three side elevations of the main support leg 6 other than the side elevation away from one end of the frame beam 1 are respectively provided with secondary support legs 7. The secondary support legs 7 are hinged to the main support leg 6. The main support leg 6 is threadedly connected with a main adjustment foot support 8, and the secondary support leg 7 is threadedly connected with a secondary adjustment foot support 9. When in use, the main support leg 6 is first adjusted to a position to support the frame beam 1, so that the frame beam 1 is horizontally located above the crack, and then the three secondary support legs 7 on each main support leg 6 are adjusted to be obliquely supported on the three sides of the main support leg 6 to form a triangular support, so that the entire crack exploration and measurement device is not easy to overturn, and the measurement is ensured to be stable.

[0038] In this embodiment, the mounting column 5 is arranged on the side of the upper end of the main leg 6 away from the end of the cross beam 1, so as to realize the functional requirement that the supporting leg 2 can only rotate within a range of 90° under the cross beam 1. Each side of the auxiliary leg 7 arranged on the main leg 6 is also respectively provided with a clip 10 for clamping the free end of the auxiliary leg 7, which is convenient for storing the auxiliary leg 7. The clip 10 can be a steel sheet or plastic with a certain elasticity, and have a shrinkage opening or can be interference fit with the auxiliary leg 7, and existing technical means can be used.

[0039] Example 2

[0040] This embodiment is based on the embodiment 1, and further optimizes and refines the structure of the crossbeam 1 and the structure of the measuring sleeve rod 3, as well as the connection structure between the two, specifically:

[0041] The crossbeam 1 is respectively provided with a longitudinal through-hole 11 and a horizontal through-hole 12. The crossbeam 1 is a rectangular plate. The longitudinal through-hole 11 penetrates the crossbeam 1 from top to bottom, and the horizontal through-hole 12 penetrates the crossbeam 1 from front to back. The longitudinal through-hole 11 and the horizontal through-hole 12 penetrate each other to form a cross structure. The measuring sleeve rod 3 is inserted into the longitudinal through-hole 11. A support rod 13 is respectively provided on one opposite side of the measuring sleeve rod 3. The support rod 13 is a cylindrical rod. The support rod 13 extends into the horizontal through-hole 12. The measuring sleeve rod 3 slides along the horizontal through-hole 12 through the support rod 13, and rotates in the longitudinal through-hole 11 through the support rod 13 and the horizontal through-hole 12.

[0042] Example 3

[0043] This embodiment further optimizes and refines the structure of the measuring sleeve rod 3 on the basis of the embodiment 2, specifically:

[0044] One of the support rods 13 of the measuring sleeve rod 3 extends out of the horizontal through-hole 12, and the portion of the support rod 13 extending out of the horizontal through-hole 12 is installed with a first hand-tightened nut 14. The measuring sleeve rod 3 and the frame crossbeam 1 are locked by the first hand-tightened nut 14, which can effectively limit the position of the measuring sleeve rod 3 and prevent the measuring sleeve rod 3 from moving again during the measurement process, thereby ensuring the accuracy of the measurement result.

[0045] Example 4

[0046] This embodiment is based on the embodiment 3, and further optimizes and refines the structure of the measuring sleeve rod 3, specifically:

[0047] The measuring sleeve rod 3 comprises an outer sleeve rod 15 and an extension rod 16 . A slideway is provided in the middle of the outer sleeve rod 15 . The extension rod 16 is inserted into the slideway of the outer sleeve rod 15 and can slide and lock along the slideway, thereby realizing the length adjustment of the measuring sleeve rod 3 .

[0048] Example 5

[0049] This embodiment is based on the embodiment 4, and further optimizes and refines the structure of the measuring sleeve rod 3, specifically:

[0050] An operating port 17 is provided on one side elevation of the outer sleeve rod 15, and the operating port 17 is connected to the slideway. An operating rod 18 is provided on the upper end of the extension rod 16, and the operating rod 18 extends out of the operating port 17. The extension length of the extension rod 16 can be adjusted by moving the operating rod 18 up and down. A second hand-tightening nut 19 is threadedly connected to the operating rod 18, and the relative position of the extension rod 16 to the outer sleeve rod 15 is locked by the second hand-tightening nut 19.

[0051] Example 6

[0052] This embodiment is based on the embodiment 5, and further optimizes and refines the structure of the measuring sleeve rod 3, specifically:

[0053] The outer sleeve rod 15 is a rectangular rod (the extension rod 16 is also a rectangular rod), which prevents the outer sleeve rod 15 or the measuring sleeve rod 3 from rotating horizontally in the longitudinal through-hole 11, so that it can only slide. A cylindrical toggle rod extending out of the frame beam 1 is provided at the upper end of the outer sleeve rod 15, which is convenient for adjusting the position of the measuring sleeve rod 3 on the frame beam 1. The first hand-tightening nut 14 is located on the front side of the outer sleeve rod 15, and the second hand-tightening nut 19 is located on the side of the outer sleeve rod 15 close to the end of the frame beam 1, which is convenient for operation.

[0054] Example 7

[0055] This embodiment further optimizes and refines the structure of the crossbeam 1 on the basis of Embodiment 6, specifically:

[0056] The two ends of the frame crossbeam 1 are respectively provided with storage grooves 20, which are used to receive the extension rod 16 or limit the extension rod 16 when storing the measuring sleeve 3, thereby limiting the measuring sleeve 3. A handle 21 is provided in the middle of the frame crossbeam 1, and a handle 21 is respectively provided on the front side and the rear side of the middle of the bottom surface of the frame crossbeam 1. The two handles 21 are staggered left and right, so that the user can lift the whole device with both hands, or two people can lift the whole device together with staggered hands.

[0057] In all the drawings of this application, some thread structures are not shown, which are conventional thread structures.

[0058] How it works:

[0059] When the present application is used to measure a crack, the two support legs 2 are respectively supported on both sides of the crack, specifically, the main support legs 6 are respectively supported on both sides of the crack and the main adjustment foot supports 8 are adjusted so that the crossbeam 1 is horizontally erected above the crack, and the auxiliary support legs 7 on each main support leg 6 are pulled out to a suitable angle and the auxiliary adjustment foot supports 9 thereon are adjusted to abut against the ground surface, so that the support legs 2 form a reliable support for the crossbeam 1, and then the two sets of measuring sleeve rods 3 are slid, and the relative positions of the outer sleeve rods 15 and the extension rods 16 are adjusted so that the extension rods 16 of the two sets of measuring sleeve rods 3 are respectively vertically abutted against the two side edges of the crack, and the first hand-tightening nut 14 is tightened so that the measuring sleeve rods 3 are tightened on the crossbeam 1, and the width of the crack is obtained by measuring the distance between the two sets of measuring sleeve rods 3, and the height difference on both sides of the crack is obtained by measuring the extended length of the extension rods 16 of the two sets of measuring sleeve rods 3 and then calculating the difference. Then loosen the first hand-tightened nut 14 and the second hand-tightened nut 19, extend the extension rods 16 of the two sets of measuring rods 3 into the crack along the side wall of the crack (preferably to the bottom), tighten the first hand-tightened nut 14 and the second hand-tightened nut 19, and then measure the angles between the two sets of measuring rods 3 and the crossbeam 1 respectively, and calculate the crack depth. After the measuring device is used, loosen the second hand-tightening nut 19 and put the extension rod 16 into the outer rod 15. The extension rod 16 is longer than the slideway of the outer rod 15, so a part of it will be left outside the outer rod 15. Then tighten the second hand-tightening nut 19, retract the auxiliary legs 7 on each main leg 6 onto the main leg 6 and clamp them with the clip 10, then tilt the entire measuring device to one side on the ground, then rotate the measuring sleeve rod 3 into the longitudinal through-hole 11, and push the free end of the measuring sleeve rod 3 into the receiving groove 20 at the end of the frame beam 1, then tighten the first hand-tightening nut 14, and finally reset the main adjustment foot support 8 on the main leg 6 and the auxiliary adjustment foot support 9 on the auxiliary leg 7, and rotate the support leg 2 to be parallel to the frame beam 1, and the entire measuring device can be carried and transferred by the two handles 21 on the frame beam 1.

[0060] It is understandable that, in order to facilitate measurement, scales may be provided on the front side of the cross beam 1 and on one side of the main leg 6 close to the end of the cross beam 1, respectively, and the scales may be directly read during measurement.

[0061] In addition, in the description of the present utility model, unless otherwise specified, if the terms "multiple", "multiple roots", "multiple groups" are used, they mean two or more than two, and "several", "several roots", "several groups" mean one or more than one. In the description of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like are used to indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, it is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, if the terms "first", "second", "third" are used, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0062] The specific implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above implementation modes, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A crack exploration and measurement device, characterized in that: It includes a crossbeam, supporting legs and a measuring rod; Support legs are respectively arranged at both ends of the frame crossbeam, the support legs are hinged to the frame crossbeam, the support legs can rotate within a range of 90° along the hinge, and the height of the support legs is adjustable; Two sets of length-adjustable measuring rods are arranged in the middle of the frame crossbeam, the measuring rods are slidably connected with the frame crossbeam, and the measuring rods can also be rotated and locked along the sliding connection with the frame crossbeam; The support legs and the measuring sleeve rod can be rotated to be parallel to the frame beam for storage and transfer, or rotated to be perpendicular to the frame beam for measurement.

2. The crack exploration and measurement device according to claim 1, characterized in that: The two ends of the frame cross beam are respectively provided with mounting plates, mounting holes are provided on the mounting plates, and the upper ends of the support legs are provided with mounting columns rotatably connected with the mounting holes.

3. The crack exploration and measurement device according to claim 2, characterized in that: The supporting legs include a main leg and a secondary leg. The main leg is a rectangular column structure. Secondary legs are respectively arranged on three side facades other than the side facade of the main leg away from one end of the cross beam. The secondary legs are hinged to the main legs. The main leg is threadedly connected with a main adjustable foot support, and the secondary leg is threadedly connected with a secondary adjustable foot support.

4. The crack exploration and measurement device according to claim 3, characterized in that: The mounting column is arranged on one side of the upper end of the main leg away from the end of the cross beam, and each side of the auxiliary leg arranged on the main leg is also provided with a clip for clamping the free end of the auxiliary leg.

5. The crack exploration and measurement device according to any one of claims 1 to 4, characterized in that: The frame crossbeam is respectively provided with a longitudinal through-hole and a horizontal through-hole, the measuring sleeve rod is inserted into the longitudinal through-hole, and a support rod is respectively provided on an opposite side of the measuring sleeve rod, the support rod extends into the horizontal through-hole, the measuring sleeve rod slides along the horizontal through-hole through the support rod, and rotates in the longitudinal through-hole through the support rod and the horizontal through-hole.

6. The crack exploration and measurement device according to claim 5, characterized in that: One of the support rods of the measuring sleeve rod extends out of the horizontal through-hole, and a first hand-tightened nut is installed on the support rod portion extending out of the horizontal through-hole.

7. The crack exploration and measurement device according to claim 6, characterized in that: The measuring sleeve rod comprises an outer sleeve rod and an extension rod. A slideway is arranged in the middle of the outer sleeve rod. The extension rod is inserted into the slideway of the outer sleeve rod and can slide and be locked along the slideway.

8. The crack exploration and measurement device according to claim 7, characterized in that: An operating port is provided on one side elevation of the outer sleeve rod, the operating port is communicated with the slideway, an operating rod is arranged on the upper end of the extension rod, the operating rod extends out of the operating port, and a second hand-tightened nut is threadedly connected to the operating rod.

9. The crack exploration and measurement device according to claim 8, characterized in that: The outer rod is a rectangular rod, and a cylindrical toggle rod extending out of the frame beam is arranged at the upper end thereof. The first hand-tightening nut is located at the front side of the outer rod, and the second hand-tightening nut is located at one side of the outer rod close to the end of the frame beam.

10. The crack exploration and measurement device according to claim 9, characterized in that: The two ends of the frame cross beam are respectively provided with storage grooves, the middle part of the frame cross beam is provided with a handle, and the front side and the rear side of the middle part of the bottom surface of the frame cross beam are respectively provided with a handle, and the two handles are staggered left and right.

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