A geotechnical engineering distance measuring device

Abstract

The present invention discloses a geotechnical engineering distance measuring device, comprising a first guide tube, the first guide tube is sleeved on a drill rod, a plurality of limit strips are fixedly arranged on the inner wall of the first guide tube, the plurality of limit strips are arranged in a circumferential annular array along the first guide tube, a hemispherical protrusion is fixedly arranged on the surface of the drill rod; a distance measuring mechanism is sleeved on the outer side of the first guide tube, when the drill rod drives the first guide tube to rotate, the distance measuring mechanism measures the distance once, a thread groove is provided on the top of the drill rod, a threaded rod is fixedly arranged on the bottom of the drill rod, and the threaded rod is threadedly matched with the thread groove. The present invention designs a geotechnical engineering distance measuring device, and whenever a drill rod passes through the first guide tube, a first steel ball will fall into the casing, and by counting the number of the first steel balls that fall, it is possible to count how many drill rods have been drilled, and by the length of each drill rod, the downward drilling distance can be quickly calculated, effectively avoiding the problem of manual recording prone to errors.

Description

Technical Field

[0001] The invention relates to the field of distance measuring devices, and in particular to a distance measuring device for geotechnical engineering. Background Art

[0002] In the process of geotechnical engineering drilling, a drill rig is often used to drive a spliced ​​drill rod to drill downward. The principle is: after a section of drill rod is drilled into the ground, another drill rod is connected to this section of drill rod to continue drilling downward. For example, patent application number 202111244392.2 discloses a drilling device and a drilling method, including a device host, a main mast, a drilling rig host and a drill rod assembly. The lower end of the main mast is fixed to the device host, and the drilling rig host can be vertically slidably connected to the main mast. The drilling rig host is fixed to one end of a cable set in the main mast, and the other end of the cable is connected to a steel cable in the device host. The drill rod assembly is connected with the driving end of the drilling rig mainframe in a detachable manner. The drilling equipment also includes drill rods to be spliced ​​arranged in the vertical direction and a clamping mechanism for clamping the drill rods to be spliced. The clamping mechanism is installed on one side of the main mast. When the upper end of the drill rod assembly is separated from the driving end of the drilling rig mainframe, the clamping mechanism is used to move the drill rods to be spliced ​​between the driving end of the drilling rig mainframe and the upper end of the drill rod assembly. The present invention can realize the movement of the drill rods and the splicing of auxiliary drill rods in a mechanized manner, thereby reducing the labor intensity of the staff and improving the splicing efficiency of the drill rods to be spliced.

[0003] When this type of drilling device is in use, when measuring the downward drilling distance, it is usually measured by the number of drill rods drilled. For example, if a total of 10 drill rods are drilled into the ground and each drill rod is two meters long, then a total of 20 meters is drilled downward, that is, the distance from the bottom of the borehole to the ground is 20 meters. However, this method requires the operator to remember the exact number of drill rods drilled. When the number of drill rods is large, it is easy to make mistakes, and improvements need to be made. Summary of the invention

[0004] The purpose of the present invention is to provide a geotechnical engineering distance measuring device to solve the above technical problems.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A geotechnical engineering distance measuring device comprises a first guide tube, the first guide tube is sleeved on a drill rod, a plurality of limit strips are fixedly arranged on the inner wall of the first guide tube, the plurality of limit strips are arranged in a circular array along the circumference of the first guide tube, a hemispherical protrusion is fixedly arranged on the surface of the drill rod; a distance measuring mechanism is sleeved on the outer side of the first guide tube, and when the drill rod drives the first guide tube to rotate, the distance measuring mechanism measures the distance once.

[0007] Preferably, a thread groove is formed at the top of the drill rod, and a threaded rod is fixedly provided at the bottom of the drill rod, and the threaded rod is threadably matched with the thread groove.

[0008] Preferably, the distance measuring mechanism comprises a sleeve, a cavity is arranged inside the tube wall of the sleeve; the top left side of the sleeve is fixedly connected to the right end of the second guide tube, the second guide tube is communicated with the cavity, the second guide tube is inclinedly arranged, a connecting tube is arranged above the second guide tube, the lower end of the connecting tube is fixedly connected and communicated with the second guide tube, the top end of the connecting tube is fixedly connected to the bottom of the storage box, the connecting tube is communicated with the storage box, and a plurality of first steel balls are arranged in the storage box; a second sealing cover is fixedly arranged at the left end of the second guide tube, a plurality of second steel balls are arranged inside the second guide tube, a slider is arranged on the right side of the second steel ball, the slider is slidably matched with the inner wall of the second guide tube, the right end of the slider is fixedly connected to the left end of the guide rod, a first spring is sleeved on the guide rod, the left end of the first spring is fixedly connected to the slider, the right end of the first spring is fixedly connected to the inner wall of the second guide tube, a silicone limiting ring is arranged on the right side of the guide rod, the silicone limiting ring is fixedly connected to the inner wall of the second guide tube, and the silicone limiting ring is located on the right side of the connecting tube.

[0009] Preferably, a first sealing cover is threadedly connected to the top of the storage box.

[0010] Preferably, the fixing sleeve at the right end of the guide rod is provided with a silicone sleeve.

[0011] Preferably, a sealing plug is threadedly connected to the top of the sleeve.

[0012] Preferably, a positioning tube is sleeved on the outer side of the sleeve, a guide groove is opened on the inner side of the positioning tube, a plurality of balls are arranged in the guide groove, the balls are fixedly connected to the outer wall of the sleeve, and a plurality of insertion rods are fixedly arranged on the bottom of the positioning tube.

[0013] Preferably, a driving plate is provided in the cavity, the driving plate is located on the right side of the second guide tube, the top of the driving plate is fixedly connected to the outer ring of the one-way bearing, the inner ring of the one-way bearing is fixedly sleeved on the counting rod, one end of the counting rod is located in the cavity, the other end of the counting rod passes through the sleeve and extends to the outside of the sleeve, the counting rod is threadedly connected to the sleeve, a digital scale is provided on the surface of the sleeve, the right side of the driving plate contacts the left end of the second spring, the right end of the second spring is fixedly connected to the left end of the limit rod, and the right end of the limit rod is fixedly connected to the inner wall of the sleeve.

[0014] The beneficial effects of the present invention are:

[0015] 1. The present invention designs a geotechnical engineering distance measuring device. Whenever a drill rod passes through a first guide tube, a first steel ball will fall into the casing. By counting the number of the first steel balls that fall, the number of drill rods drilled can be counted, and the downward drilling distance can be quickly calculated by the length of each drill rod, effectively avoiding the problem of easy errors in manual recording.

[0016] 2. Every time a drill rod passes through the first guide tube, the digital scale on the counting rod will move outward by one position. By observing the maximum number on the counting rod outside the casing, you can quickly know how many drill rods have been drilled. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a geotechnical engineering distance measuring device of the present invention;

[0018] Figure 2 A geotechnical engineering distance measuring device according to the present invention Figure 1 A magnified schematic diagram of part A;

[0019] Figure 3 This is a schematic diagram of the internal structure of a casing of a geotechnical engineering distance measuring device according to the present invention;

[0020] Figure 4 A geotechnical engineering distance measuring device according to the present invention Figure 3 A magnified schematic diagram of part B;

[0021] Figure 5 This is a schematic diagram of the internal structure of a second guide tube of a geotechnical engineering distance measuring device according to the present invention;

[0022] Figure 6 It is a structural schematic diagram of a drill rod of a geotechnical engineering distance measuring device of the present invention;

[0023] 1. Threaded groove; 2. Drill rod; 3. Bump; 4. Threaded rod; 5. Limit strip; 6. First guide tube; 7. Sealing plug; 8. Sleeve; 9. Positioning tube; 10. Limit rod; 11. First sealing cover; 12. Storage box; 13. Second guide tube; 14. Insert rod; 15. Counting rod; 16. Ball; 17. Guide groove; 18. One-way bearing; 19. Drive plate; 20. Second spring; 21. Second steel ball; 22. Slider; 23. First spring; 24. Guide rod; 25. Silicone sleeve; 26. First steel ball; 27. Silicone limit ring; 28. Connecting tube; 29. ​​Second sealing cover; 30. Cavity. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 indirectly connected 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. Example 1

[0027] like Figure 1-6 As shown, a geotechnical engineering distance measuring device includes a first guide tube 6, which is sleeved on a drill rod 2, a plurality of limit bars 5 are fixedly arranged on the inner wall of the first guide tube 6, and the plurality of limit bars 5 are arranged in a circular array along the circumference of the first guide tube 6, and a hemispherical protrusion 3 is fixedly arranged on the surface of the drill rod 2; a distance measuring mechanism is sleeved on the outer side of the first guide tube 6, and when the drill rod 2 drives the first guide tube 6 to rotate, the distance measuring mechanism measures the distance once. A thread groove 1 is provided on the top of the drill rod 2, and a threaded rod 4 is fixedly arranged on the bottom of the drill rod 2, and the threaded rod 4 is threadedly matched with the thread groove 1.

[0028] When in use, the top end of the drill rod 2 is connected to the power output end of the drilling rig through a coupling, and the drill rod 2 is driven by the drilling rig to rotate and drill into the ground. After the drill rod 2 is drilled into the ground, the drill rod 2 is separated from the coupling, and then a new drill rod 2 is taken, and the threaded rod 4 at the lower end of the new drill rod 2 is threadedly connected to the threaded groove 1 at the top of the underground drill rod 2, and then the top end of the new drill rod 2 is connected to the coupling, and the new drill rod 2 is drilled into the ground by the drilling rig. And so on, multiple drill rods 2 are drilled into the ground. Example 2

[0029] like Figure 1-6As shown, when other parts are the same as those in Example 1, the difference between this embodiment and Example 1 is that: the distance measuring mechanism includes a sleeve 8, a cavity 30 is provided inside the tube wall of the sleeve 8, and a sealing plug 7 is threadedly connected to the top of the sleeve 8; the top of the left side of the sleeve 8 is fixedly connected to the right end of the second guide tube 13, the second guide tube 13 is communicated with the cavity 30, the second guide tube 13 is inclined, a connecting tube 28 is provided above the second guide tube 13, the lower end of the connecting tube 28 is fixedly connected and communicated with the second guide tube 13, the top of the connecting tube 28 is fixedly connected to the bottom of the storage box 12, the connecting tube 28 is communicated with the storage box 12, a plurality of first steel balls 26 are provided in the storage box 12, and the top of the storage box 12 is threadedly connected to the first sealing cover 11. A second sealing cover 29 is fixedly provided at the left end of the second guide tube 13, a plurality of second steel balls 21 are arranged inside the second guide tube 13, a slider 22 is arranged on the right side of the second steel ball 21, the slider 22 is slidably matched with the inner wall of the second guide tube 13, the right end of the slider 22 is fixedly connected to the left end of the guide rod 24, a first spring 23 is sleeved on the guide rod 24, the left end of the first spring 23 is fixedly connected to the slider 22, the right end of the first spring 23 is fixedly connected to the inner wall of the second guide tube 13, a silicone sleeve 25 is fixedly provided at the right end of the guide rod 24, a silicone limit ring 27 is arranged on the right side of the guide rod 24, the silicone limit ring 27 is fixedly connected to the inner wall of the second guide tube 13, and the silicone limit ring 27 is located on the right side of the connecting tube 28. A positioning tube 9 is sleeved on the outer side of the sleeve 8, a guide groove 17 is opened inside the positioning tube 9, a plurality of balls 16 are arranged in the guide groove 17, the balls 16 are fixedly connected to the outer wall of the sleeve 8, and a plurality of plug rods 14 are fixedly provided at the bottom of the positioning tube 9.

[0030] Insert the insertion rod 14 into the ground to fix the device. During the downward rotation of the drill rod 2, when the protrusion 3 on the drill rod 2 moves into the first guide tube 6, due to the obstruction of the limit bar 5, the drill rod 2 will drive the first guide tube 6 to rotate synchronously through the protrusion 3 and the limit bar 5, and the first guide tube 6 will drive the sleeve 8 and the second guide tube 13 to rotate synchronously. At this time, under the action of centrifugal force, the second steel ball 21 in the second guide tube 13 moves away from the slider 22. At this time, the second steel ball 21 no longer compresses the first spring 23 through the slider 22. Under the elastic force of the first spring 23, the first spring 23 drives the slider 22 and the guide rod 24 to move left, so that the right end of the guide rod 24 no longer blocks the bottom of the connecting tube 28. At this time, a first steel ball 26 in the storage box 12 falls between the right end of the guide rod 24 and the silicone limit ring 27.

[0031] As the drill rod 2 continues to rotate downward, when the protrusion 3 on the drill rod 2 no longer contacts the limit bar 5, the drill rod 2 no longer drives the first guide tube 6 to rotate synchronously, and the sleeve 8 and the second guide tube 13 no longer rotate. At this time, the second steel ball 21, which was originally away from the slider 22 under the action of centrifugal force, begins to slide toward the slider 22 and pushes the slider 22 to move right. The slider 22 drives the first steel ball 26 that falls between the right end of the guide rod 24 and the silicone limit ring 27 through the guide rod 24, breaks through the silicone limit ring 27 and moves to the right side of the silicone limit ring 27, and then slides along the second guide tube 13 into the sleeve 8. At this time, the right end of the guide rod 24 moves again to the bottom of the connecting tube 28, so that the first steel ball 26 in the storage box 12 no longer falls.

[0032] By analogy, every time a drill rod 2 passes through the first guide tube 6, a first steel ball 26 will fall into the casing 8. By removing the sealing plug 7, the first steel ball 26 in the casing 8 can be taken out. The number of first steel balls 26 is equal to the number of drill rods 2 drilled. The length of the drill rods 2 can be used to calculate the downward drilling distance. Example 3

[0033] like Figure 1-6 As shown, when other parts are the same as those in Example 2, the difference between this embodiment and Example 2 is that: a driving plate 19 is arranged in the cavity 30, the driving plate 19 is located on the right side of the second guide tube 13, the top of the driving plate 19 is fixedly connected to the outer ring of the one-way bearing 18, the inner ring of the one-way bearing 18 is fixedly sleeved on the counting rod 15, one end of the counting rod 15 is located in the cavity 30, the other end of the counting rod 15 passes through the sleeve 8 and extends to the outside of the sleeve 8, the counting rod 15 is threadedly connected to the sleeve 8, a digital scale is arranged on the surface of the sleeve 8, the right side of the driving plate 19 contacts the left end of the second spring 20, the right end of the second spring 20 is fixedly connected to the left end of the limiting rod 10, and the right end of the limiting rod 10 is fixedly connected to the inner wall of the sleeve 8.

[0034] Whenever the first steel ball 26 in the second guide tube 13 slides into the sleeve 8, the first steel ball 26 will hit the driving plate 19, driving the driving plate 19 to rotate counterclockwise to compress the second spring 20. At this time, due to the effect of the one-way bearing 18, the driving plate 19 will not drive the counting rod 15 to rotate synchronously.

[0035] Then, under the elastic force of the second spring 20, the driving plate 19 is driven to move in the opposite direction and reset. At this time, under the action of the one-way bearing 18, the driving plate 19 drives the counting rod 15 to rotate synchronously, so that the counting rod 15 moves outside the casing 8, and the digital scale on the counting rod 15 moves outward by one position. For example, the scale 0-7 on the counting rod 15 is originally located outside the casing 8. After the counting rod 15 rotates, the scale 0-8 becomes located outside the casing 8. That is, every time a drill rod 2 passes through the first guide tube 6, the digital scale on the counting rod 15 will move outward by one position. By observing the maximum number on the counting rod 15 outside the casing 8, it is possible to quickly know how many drill rods 2 have been drilled.

[0036] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A geotechnical engineering distance measuring device, characterized in that: It comprises a first guide tube (6), the first guide tube (6) being sleeved on a drill rod (2), a plurality of limit strips (5) being fixedly arranged on the inner wall of the first guide tube (6), the plurality of limit strips (5) being arranged in an annular array along the circumference of the first guide tube (6), and a hemispherical protrusion (3) being fixedly arranged on the surface of the drill rod (2); A distance measuring mechanism is sleeved on the outer side of the first guide tube (6), and when the drill rod (2) drives the first guide tube (6) to rotate, the distance measuring mechanism measures the distance once; A thread groove (1) is formed on the top of the drill rod (2), a threaded rod (4) is fixedly provided on the bottom of the drill rod (2), and the threaded rod (4) is threadably matched with the thread groove (1); The distance measuring mechanism comprises a sleeve (8), and a cavity (30) is provided inside a tube wall of the sleeve (8); The top of the left side of the sleeve (8) is fixedly connected to the right end of the second guide tube (13), the second guide tube (13) is connected to the cavity (30), the second guide tube (13) is arranged obliquely, a connecting tube (28) is arranged above the second guide tube (13), the lower end of the connecting tube (28) is fixedly connected to and connected to the second guide tube (13), the top end of the connecting tube (28) is fixedly connected to the bottom of the storage box (12), the connecting tube (28) is connected to the storage box (12), and a plurality of first steel balls (26) are arranged in the storage box (12); A second sealing cover (29) is fixedly provided at the left end of the second guide tube (13). A plurality of second steel balls (21) are arranged inside the second guide tube (13). A slider (22) is arranged on the right side of the second steel ball (21). The slider (22) is slidably matched with the inner wall of the second guide tube (13). The right end of the slider (22) is fixedly connected to the left end of the guide rod (24). A first spring (23) is sleeved on the guide rod (24). The left end of the first spring (23) is fixedly connected to the slider (22). The right end of the first spring (23) is fixedly connected to the inner wall of the second guide tube (13). A silicone limit ring (27) is arranged on the right side of the guide rod (24). The silicone limit ring (27) is fixedly connected to the inner wall of the second guide tube (13). The silicone limit ring (27) is located on the right side of the connecting tube (28).

2. A geotechnical engineering distance measuring device according to claim 1, characterized in that: A first sealing cover (11) is threadedly connected to the top of the storage box (12).

3. A geotechnical engineering distance measuring device according to claim 2, characterized in that: The right end of the guide rod (24) is fixed with a silicone sleeve (25).

4. A geotechnical engineering distance measuring device according to claim 3, characterized in that: The top of the sleeve (8) is threadedly connected with a sealing plug (7).

5. A geotechnical engineering distance measuring device according to claim 4, characterized in that: A positioning tube (9) is sleeved on the outer side of the sleeve (8), a guide groove (17) is provided on the inner side of the positioning tube (9), a plurality of balls (16) are arranged in the guide groove (17), the balls (16) are fixedly connected to the outer wall of the sleeve (8), and a plurality of insertion rods (14) are fixedly provided at the bottom of the positioning tube (9).

6. A geotechnical engineering distance measuring device according to claim 5, characterized in that: A driving plate (19) is arranged in the cavity (30). The driving plate (19) is located on the right side of the second guide tube (13). The top of the driving plate (19) is fixedly connected to the outer ring of the one-way bearing (18). The inner ring of the one-way bearing (18) is fixedly sleeved on the counting rod (15). One end of the counting rod (15) is located in the cavity (30). The other end of the counting rod (15) passes through the sleeve (8) and extends outside the sleeve (8). The counting rod (15) is threadedly connected to the sleeve (8). A digital scale is arranged on the surface of the sleeve (8). The right side of the driving plate (19) contacts the left end of the second spring (20). The right end of the second spring (20) is fixedly connected to the left end of the limiting rod (10). The right end of the limiting rod (10) is fixedly connected to the inner wall of the sleeve (8).

Images