Hole depth measuring device for rock-soil geological investigation

Abstract

The utility model relates to the technical field of hole depth measurement, and discloses a hole depth measuring device for rock-soil geological survey, which comprises a fixed support, the top of the fixed support is fixedly connected with a fixed box, and the inner wall of the fixed box is rotatably connected with a take-up wheel. According to the hole depth measuring device for rock-soil geological investigation, the device is placed at a designated position, the device is fixed through the fixing assembly, the hole detection box is placed in a hole, the take-up wheel is rotated, the take-up wheel is matched with the measuring tape to release the hole detection box, and when the hole detection box reaches the ground of the hole, the trigger assembly is used for triggering a signal, so that the hole depth is measured. The extension length of the measuring tape can be clearly checked through the fixing support, so that the hole depth is determined, the device can send out a signal to determine the hole depth after the hole detection head makes contact with the ground, the device is in an arc shape, contact with the ground is facilitated, meanwhile, deep holes can be detected, convenience and rapidness are achieved, and the detection efficiency is improved. And practical application and operation are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of hole depth measurement, in particular to a hole depth measurement device for rock and soil geological survey. Background Art

[0002] Geotechnical investigation refers to the identification, analysis and evaluation of the geological, environmental characteristics and geotechnical engineering conditions of the construction site according to the requirements of the construction project. In the process of geotechnical investigation, the hole depth is simply measured by lowering a ruler into the borehole. If the hole is deep and it is not convenient to measure,

[0003] After searching, a Chinese patent discloses a hole depth measuring device for rock and soil geological survey (authorization announcement number CN216385436 U), including a circular plate, two arc-shaped support plates, and two handles. A through groove is opened at the center of the upper surface of the circular plate, and a measuring rod is movably penetrated inside the through groove. A bottom plate is provided at the lower end of the measuring rod, and a cross bar is provided on the upper surface of the measuring rod. A compression spring is provided between the bottom plate and the lower surface of the circular plate. A scale line is provided on the front surface of the measuring rod. Two symmetrical limit assemblies are provided on both sides of the measuring rod. The limit assemblies include a limit bar and a limit groove. The limit bar is provided on the side wall of the measuring rod, and the limit bar movably penetrates the inside of the limit groove. The limit groove is provided on the inner wall of the through groove. Through the arrangement of the compression spring, the bottom plate, the circular plate and other components, the patent can facilitate the device to measure the hole depth of the measuring hole, is simple and convenient to operate, is relatively labor-saving, and has strong practicality. In addition, the device has the advantages of simple structure and low cost.

[0004] However, in actual application, the device uses a spring in conjunction with a measuring ruler to measure the hole depth. Due to the limited elasticity of the spring, deeper holes cannot be detected. At the same time, when the bottom of the hole is an irregular plane, the use of the measuring ruler will produce a large error, thereby affecting the detection effect. The device is extremely inconvenient to carry and is not conducive to actual application and operation. Utility Model Content

[0005] The purpose of the utility model is to provide a hole depth measuring device for rock and soil geological exploration, so as to solve the problem that the device proposed in the above background technology uses a spring and a measuring ruler to measure the hole depth. Due to the limited elasticity of the spring, deeper holes cannot be detected. At the same time, when the bottom of the hole is an irregular plane, the use of the measuring ruler will produce a large error, thereby affecting the detection effect. The device is extremely inconvenient to carry and is not conducive to practical application and operation.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a hole depth measuring device for rock and soil geological exploration, comprising a fixed bracket, a fixed box is fixedly connected to the top of the fixed bracket, a take-up wheel is rotatably connected to the inner wall of the fixed box, a tape measure is fixedly connected to the outer side of the take-up wheel and wound with the tape measure, a through groove is opened on the inner wall of the bottom of the fixed box, one end of the tape measure extends to the bottom of the through groove and is fixedly connected to the hole exploration box, and the tape measure is slidably connected to the through groove;

[0007] The four corners of the outer side of the fixing bracket are all provided with fixing components, and the fixing components are used to fix the fixing bracket. The interior of the hole-finding box is provided with a trigger component, and the trigger component is used to transmit a signal.

[0008] Through the above technical scheme, the device is placed at a specified position, fixed by a fixing component, the borehole box is placed in the hole, the take-up wheel is rotated, and the borehole box is released by the take-up wheel in cooperation with the measuring tape. When the borehole box reaches the ground of the hole, the trigger component is used to trigger a signal, thereby conveniently knowing the position of the borehole box. The extended length of the measuring tape can be clearly viewed through the fixed bracket to determine the hole depth. The device can send a signal to determine the hole depth after the borehole head contacts the ground. Its arc shape is conducive to contact with the ground, and deeper holes can be detected at the same time. It is convenient and fast, and is conducive to practical application and operation.

[0009] Preferably, the fixing assembly includes a slide groove, a card slot, an installation box, a support rod, a return spring, a rectangular block and a T-bar, the installation box is fixedly connected to the four corners of the outer side of the fixed bracket, the support rods are slidably connected to the inner wall of the installation box, the bottoms of the support rods extend to the bottom of the installation box, the slide grooves are opened on the outer side of the installation box, the card slots are opened on the outer side of the installation box and are located on one side of the slide groove, the T-bar is fixedly connected to the top of the support rod close to the slide groove, the rectangular blocks are slidably connected to the outer side of the T-bar, the rectangular blocks are used in conjunction with the corresponding card slots, and the return springs are sleeved on the outer side of the T-bar and are located between the T-bar and the rectangular block.

[0010] Through the above technical solution, when the support rod needs to be fixed, the T-shaped rod is fixed by using the rectangular block in conjunction with the slot, thereby fixing the support rod. When the support length of the support rod needs to be adjusted, the rectangular block is pulled through the slide slot to move the T-shaped rod in the vertical direction, and the return spring is used in conjunction with the T-shaped rod to reset the rectangular block.

[0011] Preferably, the trigger assembly includes a sliding rod, a return spring, a battery, a fixed plate, a movable plate, a signal contact switch and a borehole head, the fixed plate is fixedly connected to the inner wall of the borehole box, the movable plate is slidably connected to the inner wall of the borehole box and is located below the fixed plate, the sliding rods all pass through and are fixedly connected to both ends of the top of the movable plate, the top of the sliding rod extends to the top of the fixed plate and is slidably connected thereto, the borehole head is fixedly connected to the bottom of the two sliding rods and is located below the borehole box, the return springs are all sleeved on the outside of the sliding rods and are located between the fixed plate and the movable plate, the signal contact switch is fixedly connected to the bottom of the fixed plate, and the battery is fixedly connected to the top of the fixed plate.

[0012] Through the above technical scheme, when the borehole exploration box explores the hole depth, the borehole exploration head is used to contact the ground, and the borehole exploration head is used in conjunction with the sliding rod to make the movable plate contact with the signal contact switch, thereby triggering the switch, and the reset spring is used in conjunction with the fixed plate to reset the movable plate, and the battery is used to provide power for the signal contact switch.

[0013] Preferably, four pulleys are fixedly connected to the outer side of the borehole box, and the bottom of the borehole head is in an arc shape.

[0014] Through the above technical solution, four pulleys are used to facilitate the borehole exploration box to enter the deep hole without getting stuck, and the arc-shaped borehole exploration head is used to reduce the force applied to it after contacting the ground.

[0015] Preferably, a signal receiver is fixedly connected to the bottom of the inner wall of the fixing box, and the signal contact switch is electrically connected to the signal receiver.

[0016] Through the above technical solution, the signal of the signal contact switch is received by the signal receiver, and the hole depth is detected by the signal contact switch.

[0017] Preferably, one end of the central axis of the take-up wheel extends to the outside of the fixed box and is fixedly connected to a crank, the outside of one end of the central axis of the take-up wheel is fixedly connected to a ratchet and is located inside the fixed box, one side of the inner wall of the fixed box is fixedly connected to a fixed block, one side of the fixed block is rotatably connected to an arc-shaped clamping block, and the arc-shaped clamping block is used in conjunction with the ratchet.

[0018] Through the above technical solution, the arc-shaped clamping block is used in conjunction with the ratchet wheel to prevent the take-up wheel from rotating, and the take-up wheel is driven to rotate by the crank.

[0019] Preferably, rollers are fixedly connected to the four corners of the bottom of the fixed bracket, and a push handle is fixedly connected to one side of the fixed bracket.

[0020] Through the above technical solution, the rollers are used to facilitate the movement of the device, and the push handle is used in conjunction with the universal wheel to enable the base plate to move in a specified direction.

[0021] Compared with the prior art, the beneficial effects achieved by the utility model are: the device is placed at a designated position, the device is fixed by a fixing assembly, the borehole detection box is placed in the hole, the take-up wheel is rotated, and the borehole detection box is released by the take-up wheel in cooperation with the measuring tape; when the borehole detection box reaches the ground of the hole, a trigger assembly is used to trigger a signal, thereby conveniently knowing the position of the borehole detection box. The borehole detection box can clearly check the extended length of the measuring tape through the fixing bracket to determine the hole depth. The device can send a signal to determine the hole depth after the borehole detection head contacts the ground. Its arc shape is conducive to contact with the ground, and deeper holes can be detected at the same time. It is convenient and fast, and is conducive to practical application and operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the utility model;

[0023] Figure 2 This is a front cross-sectional view of the utility model;

[0024] Figure 3 It is a top view of the utility model;

[0025] Figure 4 For this utility model Figure 2 A in the enlarged view;

[0026] Figure 5 For this utility model Figure 2 Enlarged view of point B in .

[0027] Among them: 1. Fixed bracket; 2. Roller; 3. Fixed box; 4. Push handle; 5. Mounting box; 6. Rectangular block; 7. Support rod; 8. Card slot; 9. Take-up wheel; 10. Crank; 11. Signal receiver; 12. Ratchet; 13. Through slot; 14. Arc block; 15. Fixed block; 16. Tape measure; 17. Pulley; 18. Hole detection box; 19. Battery; 20. Signal contact switch; 21. Hole detection head; 22. Fixed plate; 23. Reset spring; 24. Slide rod; 25. Moving plate; 26. Return spring; 27. T-bar; 28. Slide slot. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0029] See also Figure 1-5A hole depth measuring device for rock and soil geological survey, comprising a fixed bracket 1, a fixed box 3 is fixedly connected to the top of the fixed bracket 1, a take-up wheel 9 is rotatably connected to the inner wall of the fixed box 3, a tape measure 16 is fixedly connected to the outer side of the take-up wheel 9 and wound, the tape measure 16 is used to cooperate with the take-up wheel 9 to release the length of the detection device, a through slot 13 is opened on the inner wall of the bottom of the fixed box 3, one end of the tape measure 16 extends to the bottom of the through slot 13 and is fixedly connected to a hole detection box 18, the hole detection box 18 is used for detection, and the tape measure 16 is slidably connected to the through slot 13;

[0030] The four corners of the outer side of the fixing bracket 1 are all provided with fixing components, and the fixing components are used to fix the fixing bracket 1. The interior of the exploration box 18 is provided with a trigger component, and the trigger component is used to transmit a signal.

[0031] Through the above technical scheme, the device is placed at a specified position, fixed by a fixing assembly, the borehole box 18 is placed in the hole, the take-up wheel 9 is rotated, and the take-up wheel 9 is used in conjunction with the measuring tape 16 to release the borehole box 18. When the borehole box 18 reaches the ground of the hole, the trigger assembly is used to trigger a signal, thereby conveniently knowing the position of the borehole box 18. The borehole box 18 can clearly check the extended length of the measuring tape 16 through the fixing bracket 1 to determine the hole depth. The device can send a signal to determine the hole depth after the borehole head 21 contacts the ground. Its arc shape is conducive to contact with the ground, and it can detect deeper holes at the same time. It is convenient and fast, and is conducive to practical application and operation.

[0032] Specifically, the fixing assembly includes a slide groove 28, a card slot 8, an installation box 5, a support rod 7, a return spring 26, a rectangular block 6 and a T-bar 27. The installation box 5 is fixedly connected to the four corners of the outside of the fixed bracket 1, the support rods 7 are slidably connected to the inner wall of the installation box 5, the bottom of the support rods 7 extends to the bottom of the installation box 5, the slide grooves 28 are opened on the outside of the installation box 5, the card slots 8 are opened on the outside of the installation box 5 and are located on one side of the slide groove 28, the T-bar 27 is fixedly connected to the top of the support rod 7 close to the slide groove 28, the rectangular blocks 6 are slidably connected to the outside of the T-bar 27, the rectangular blocks 6 are used in conjunction with the corresponding card slots 8, and the return springs 26 are sleeved on the outside of the T-bar 27 and are located between the T-bar 27 and the rectangular block 6.

[0033] Through the above technical solution, when it is necessary to fix the support rod 7, the rectangular block 6 is used in conjunction with the slot 8 to fix the T-bar 27, thereby fixing the support rod 7. When it is necessary to adjust the supporting length of the support rod 7, the rectangular block 6 is pulled through the slide slot 28 to move the T-bar 27 in the vertical direction, and the return spring 26 is used in conjunction with the T-bar 27 to reset the rectangular block 6.

[0034] Specifically, the trigger assembly includes a slide bar 24, a return spring 23, a battery 19, a fixed plate 22, a movable plate 25, a signal contact switch 20 and a borehole head 21. The fixed plate 22 is fixedly connected to the inner wall of the borehole box 18, the movable plate 25 is slidably connected to the inner wall of the borehole box 18 and is located below the fixed plate 22. The slide bars 24 all pass through and are fixedly connected to the two ends of the top of the movable plate 25. The top of the slide bar 24 extends to the top of the fixed plate 22 and is slidably connected thereto. The borehole head 21 is fixedly connected to the bottom of the two slide bars 24 and is located below the borehole box 18. The return springs 23 are all sleeved on the outside of the slide bars 24 and are located between the fixed plate 22 and the movable plate 25. The signal contact switch 20 is fixedly connected to the bottom of the fixed plate 22, and the battery 19 is fixedly connected to the top of the fixed plate 22.

[0035] Through the above technical solution, when the borehole box 18 explores the hole depth, the borehole head 21 is used to contact the ground, and the borehole head 21 is used in conjunction with the slide bar 24 to make the movable plate 25 contact with the signal contact switch 20, thereby triggering the switch, and the reset spring 23 is used in conjunction with the fixed plate 22 to reset the movable plate 25, and the battery 19 is used to provide power for the signal contact switch 20.

[0036] Specifically, four pulleys 17 are fixedly connected to the outside of the borehole box 18, and the bottom of the borehole head 21 is arc-shaped. The four pulleys 17 facilitate the borehole box 18 to enter the deep hole without getting stuck, and the arc-shaped borehole head 21 reduces the force applied to it after contacting the ground.

[0037] Specifically, a signal receiver 11 is fixedly connected to the bottom of the inner wall of the fixing box 3, and the signal contact switch 20 is electrically connected to the signal receiver 11. The signal receiver 11 receives the signal of the signal contact switch 20, and the signal contact switch 20 is used to detect the hole depth.

[0038] Specifically, the four corners of the bottom of the fixed bracket 1 are fixedly connected with rollers 2, and one side of the fixed bracket 1 is fixedly connected with a pushing handle 4. The rollers 2 are used to facilitate the movement of the device, and the pushing handle 4 is used in conjunction with the universal wheel to move the base plate in a specified direction.

[0039] Specifically, one end of the central axis of the take-up wheel 9 extends to the outside of the fixed box 3 and is fixedly connected to a crank 10, the outside of one end of the central axis of the take-up wheel 9 is fixedly connected to a ratchet 12 and is located inside the fixed box 3, one side of the inner wall of the fixed box 3 is fixedly connected to a fixed block 15, one side of the fixed block 15 is rotatably connected to an arc-shaped clamping block 14, the arc-shaped clamping block 14 is used in conjunction with the ratchet 12, and the arc-shaped clamping block 14 is used in conjunction with the ratchet 12 to prevent the take-up wheel 9 from rotating, and the take-up wheel 9 is driven to rotate by the crank 10.

[0040] When in use, the device is placed at a designated position, fixed, the rectangular block 6 is pulled to adjust the support length of the support rod 7, the rectangular block 6 is pulled to separate from the slot 8, the T-bar 27 moves along the slide slot 28, after the position is adjusted, the rectangular block 6 is released and the return spring 26 cooperates with the T-bar 27 to reset the rectangular block 6, so that the rectangular block 6 enters the slot 8 to fix the support rod 7, the arc block 14 is opened, the hole detection box 18 is placed in the hole, the crank 10 is turned, and the crank 10 is used to The take-up wheel 9 is driven to rotate, and the take-up wheel 9 cooperates with the tape measure 16 to release the borehole box 18. When the borehole head 21 contacts the ground, the borehole head 21 cooperates with the slide bar 24 to make the movable plate 25 contact the signal contact switch 20, thereby triggering the switch, and the reset spring 23 cooperates with the fixed plate 22 to reset the movable plate 25, and the signal receiver 11 receives the signal, and then the arc-shaped clamping block 14 is closed to clamp the ratchet 12. The extended length of the tape measure 16 can be clearly checked through the fixed bracket 1, thereby determining the hole depth;

[0041] The device can send out a signal to determine the hole depth after the borehole probe head 21 contacts the ground. Its arc shape is conducive to contact with the ground and can detect deeper holes. It is convenient and fast and is conducive to practical application and operation.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hole depth measuring device for rock and soil geological exploration, comprising a fixed bracket (1), Features: The top of the fixed bracket (1) is fixedly connected to a fixed box (3), the inner wall of the fixed box (3) is rotatably connected to a take-up wheel (9), the outer side of the take-up wheel (9) is fixedly connected and wound with a measuring tape (16), a through slot (13) is formed on the inner wall of the bottom of the fixed box (3), one end of the measuring tape (16) extends to the bottom of the through slot (13) and is fixedly connected to a hole detection box (18), and the measuring tape (16) is slidably connected to the through slot (13); The four corners of the outside of the fixing bracket (1) are all provided with fixing components, and the fixing components are used to fix the fixing bracket (1). The inside of the hole detection box (18) is provided with a trigger component, and the trigger component is used to transmit a signal.

2. A hole depth measuring device for rock and soil geological exploration according to claim 1, Features: The fixing assembly comprises a slide groove (28), a clamping groove (8), a mounting box (5), a support rod (7), a return spring (26), a rectangular clamping block (6) and a T-shaped rod (27); the mounting box (5) is fixedly connected to the four corners of the outer side of the fixing bracket (1); the support rods (7) are slidably connected to the inner wall of the mounting box (5); the bottom of the support rods (7) extends to the bottom of the mounting box (5); the slide grooves (28) are arranged on the outer side of the mounting box (5); The card slots (8) are all opened on the outside of the installation box (5) and are located on one side of the slide slot (28); the T-shaped rods (27) are all fixedly connected to the top of the support rod (7) near the slide slot (28); the rectangular card blocks (6) are all slidably connected to the outside of the T-shaped rod (27); the rectangular card blocks (6) are all used in conjunction with the corresponding card slots (8); the return springs (26) are all sleeved on the outside of the T-shaped rod (27) and are located between the T-shaped rod (27) and the rectangular card blocks (6).

3. A hole depth measuring device for rock and soil geological exploration according to claim 1, Features: The trigger assembly comprises a slide bar (24), a return spring (23), a storage battery (19), a fixed plate (22), a movable plate (25), a signal contact switch (20) and a borehole probe head (21); the fixed plate (22) is fixedly connected to the inner wall of the borehole probe box (18); the movable plate (25) is slidably connected to the inner wall of the borehole probe box (18) and is located below the fixed plate (22); the slide bars (24) penetrate through and are fixedly connected to the two ends of the top of the movable plate (25); the slide bars (24) are fixedly connected to the two ends of the top of the movable plate (25); the slide bars (24) are fixedly connected to the two ends of the top of the movable plate (25); the slide bars (25 ...5) are fixedly connected to the two ends of the top of the movable plate (25); the slide bars (24) are fixedly connected to the two ends of the top of the movable plate (25); the slide bars (25) are fixedly connected to the two ends of the top of the movable plate The top end of the rod (24) extends to the top of the fixed plate (22) and is slidably connected thereto; the borehole head (21) is fixedly connected to the bottom of the two sliding rods (24) and is located below the borehole box (18); the return springs (23) are sleeved on the outside of the sliding rods (24) and are located between the fixed plate (22) and the movable plate (25); the signal contact switch (20) is fixedly connected to the bottom of the fixed plate (22); and the storage battery (19) is fixedly connected to the top of the fixed plate (22).

4. A hole depth measuring device for rock and soil geological survey according to claim 3, Features: Four pulleys (17) are fixedly connected to the outer side of the borehole detection box (18), and the bottom of the borehole detection head (21) is in an arc shape.

5. A hole depth measuring device for rock and soil geological survey according to claim 3, Features: A signal receiver (11) is fixedly connected to the bottom of the inner wall of the fixing box (3), and the signal contact switch (20) is electrically connected to the signal receiver (11).

6. A hole depth measuring device for rock and soil geological survey according to claim 1, Features: One end of the central axis of the take-up wheel (9) extends to the outside of the fixed box (3) and is fixedly connected to a crank (10); the outside of one end of the central axis of the take-up wheel (9) is fixedly connected to a ratchet (12) and is located inside the fixed box (3); one side of the inner wall of the fixed box (3) is fixedly connected to a fixed block (15); one side of the fixed block (15) is rotatably connected to an arc-shaped clamping block (14); the arc-shaped clamping block (14) is used in conjunction with the ratchet (12).

7. A hole depth measuring device for rock and soil geological survey according to claim 1, Features: Rollers (2) are fixedly connected to the four corners of the bottom of the fixed bracket (1), and a pushing handle (4) is fixedly connected to one side of the fixed bracket (1).

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