A rotary drilling rig for building foundation construction with the function of measuring hole depth

Abstract

The present invention relates to the technical field related to construction, and specifically to a rotary drilling rig for construction foundation with a function of measuring hole depth. The rotary drilling rig for construction foundation with the function of measuring hole depth comprises a vehicle body, a cantilever, a drill body drive assembly, a drill body, and a drill bit. A driver's cabin is provided on the left front side of the vehicle body, and a cable winding device is provided on the rear side of the vehicle body. The cantilever is fixedly mounted on the front side of the vehicle body, and a mounting seat is fixedly mounted on the upper end of the cantilever, and a first measuring wheel and a second measuring wheel are rotatably mounted on the mounting seat; the first measuring wheel and the second measuring wheel are both configured to be composed of a wheel body, a rotating shaft and a measuring assembly, and the measuring assembly is configured to be composed of a pressure-sensitive resistor, a connecting ring, a return spring, a force-bearing rod and a support rod, so that force is applied to the force-bearing rod through the cable, so that the first measuring wheel and the second measuring wheel can apply pressure to the pressure-sensitive resistor through the force-bearing rod while completing the rotation, thereby completing the distance measurement process.

Description

Technical Field

[0001] The present invention relates to the technical field related to building construction, and in particular to a rotary drilling rig for building foundation construction with a function of measuring hole depth. Background Art

[0002] A rotary drilling rig is also called a rotary drilling machine. A rotary drilling rig is a comprehensive drilling rig that can be used for a variety of substrates and has the characteristics of fast hole-making speed, less pollution, and strong maneuverability. A short spiral drill bit is used for dry excavation, and a rotary drill bit can also be used for wet excavation with mud wall protection. The rotary drilling rig can be used in conjunction with a hammer to drill and break the hard stratum and then perform hole digging operations. If used with an enlarged head drill tool, hole enlargement operations can be performed at the bottom of the hole. The rotary drilling rig adopts a multi-layer telescopic drill rod, which has less drilling auxiliary time, low labor intensity, no need for mud circulation and slag removal, and saves costs. It is particularly suitable for foundation construction of urban construction. However, it is difficult for traditional rotary drilling rigs to accurately measure the depth of the borehole. For this reason, the present invention proposes a rotary drilling rig for building foundation construction with a function of measuring the hole depth to solve the above problems. Summary of the Invention

[0003] The object of the present invention is to provide a rotary drilling rig for building foundation construction with a function of measuring hole depth, so as to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a rotary drilling rig for construction of a building foundation with a function of measuring hole depth, the rotary drilling rig for construction of a building foundation with a function of measuring hole depth comprising:

[0005] A vehicle body, wherein a cockpit is provided on the left front side of the vehicle body, and a cable winding device is provided on the rear side of the vehicle body;

[0006] A cantilever, the cantilever being fixedly mounted on the front side of the vehicle body, and a mounting seat being fixedly mounted on the upper end of the cantilever, and a first distance measuring wheel and a second distance measuring wheel being rotatably mounted on the mounting seat;

[0007] A drill body drive assembly, wherein the drill body drive assembly is fixedly mounted on the cantilever;

[0008] A drill body, the drill body being mounted on the drill body drive assembly, and the upper end of the drill body being connected to a cable, the other end of the cable being connected to a reel on a cable reeling device;

[0009] A drill bit is fixedly mounted on the lower side end of the drill body.

[0010] Preferably, the first distance measuring wheel is composed of a wheel body, a rotating shaft and a distance measuring component, and the wheel body is rotatably mounted on the mounting seat via the rotating shaft.

[0011] Preferably, a cable groove is provided on the side wall of the wheel body, the cable groove is an annular groove with a semicircular cross-section, and an installation groove is provided on the bottom surface of the cable groove, a wiring groove is provided on the bottom surface of the installation groove, and a center groove is provided at the center position of the wheel body, and the wiring grooves are all connected to the center groove.

[0012] Preferably, the distance measuring assembly is composed of a pressure-sensitive resistor, a connecting ring, a reset spring, a force-bearing rod and a support rod.

[0013] Preferably, the varistor and the connecting ring are both connected to the bottom surface of the mounting groove, and the force-bearing rod is connected to the connecting ring through a reset spring, and the support rod is connected to the force-bearing rod. When the reset spring is in the reset state, the support rod and the varistor are separated.

[0014] Preferably, a support rod movable groove is opened at the inner end of the force-bearing rod, the support rod is movably arranged in the support rod movable groove, and the support rod is connected to the bottom of the groove of the support rod movable groove through a connecting spring.

[0015] Preferably, when the force-bearing rod is pressed into the installation groove, the support rod and the varistor resist the force.

[0016] Preferably, a signal receiving module and a signal transmission module are provided at the center of the wheel body, the signal transmission module is a wireless transmission module, and the signal receiving module is electrically connected to the varistor through a wire.

[0017] Preferably, a first conductive ring and a second conductive ring are provided on the shaft body of the rotating shaft, and the first conductive ring and the second conductive ring are electrically connected to the signal receiving module respectively. An insulating seat is provided on the mounting seat, and a first conductive rod and a second conductive rod are provided on the insulating seat. The first conductive rod and the first conductive ring are arranged in close contact with each other, and the second conductive rod and the second conductive ring are arranged in close contact with each other, and the other ends of the first conductive rod and the second conductive rod are respectively connected to the positive and negative poles of the power supply, and a protective box is provided on the outside of the first conductive ring, the second conductive ring, the first conductive rod and the second conductive rod, and the protective box is connected to the mounting seat.

[0018] The second distance measuring wheel has the same structure as the first distance measuring wheel, and both are installed in the same installation manner.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. By arranging the first and second measuring wheels on the mounting seat at the upper end of the vehicle body cantilever, the lowering depth of the drill bit can be measured by the first and second measuring wheels, thereby ensuring the accuracy of construction. The combination of the first and second measuring wheels can further ensure the measurement accuracy.

[0021] 2. The first and second distance measuring wheels are each configured to consist of a wheel body, a rotating shaft, and a distance measuring assembly. The distance measuring assembly is configured to consist of a piezoresistor, a connecting ring, a return spring, a force rod, and a support rod. The force rod is applied to the force rod via a cable, so that when the first and second distance measuring wheels complete their rotation, the force rod can apply pressure to the piezoresistor, thereby completing the distance measurement process.

[0022] 3. By opening a support rod movable groove at the inner end of the force-bearing rod, movably setting the support rod in the support rod movable groove, and connecting the support rod and the bottom surface of the support rod movable groove with a connecting spring, it is ensured that the varistor can be stably stressed, thereby ensuring measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 for Figure 1 A schematic diagram of the structure at center A;

[0025] Figure 3 Schematic diagram of the structure of the first distance measuring wheel;

[0026] Figure 4 This is a half-section view of the first measuring wheel;

[0027] Figure 5 for Figure 4 A magnified schematic diagram of the structure at point B in the middle.

[0028] In the figure: vehicle body 1, cantilever 2, drill body drive assembly 3, drill body 4, drill bit 5, mounting seat 6, first distance measuring wheel 7, second distance measuring wheel 8, cable 9, cable winding device 10, wheel body 11, rotating shaft 12, distance measuring assembly 13, cable groove 14, mounting groove 15, wiring groove 16, varistor 17, connecting ring 18, reset spring 19, force rod 20, support rod 21, movable groove 22, connecting spring 23, through wire body 24, first conductive ring 25, second conductive ring 26, insulating seat 27, first conductive rod 28, second conductive rod 29. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-5The present invention provides a technical solution: a rotary drilling rig for building foundation construction with a function of measuring hole depth, the rotary drilling rig for building foundation construction with a function of measuring hole depth comprises:

[0031] A vehicle body 1, a cockpit is provided on the left front side of the vehicle body 1, and a cable winding device 10 is provided on the rear side of the vehicle body 1;

[0032] The cantilever 2 is fixedly mounted on the front side of the vehicle body 1, and a mounting seat 6 is fixedly mounted on the upper end of the cantilever 2, and a first distance measuring wheel 7 and a second distance measuring wheel 8 are rotatably mounted on the mounting seat 6;

[0033] The drill body driving assembly 3 is fixedly mounted on the cantilever 2;

[0034] A drill body 4 is mounted on the drill body drive assembly 3, and a cable 9 is connected to the upper end of the drill body 4, and the other end of the cable 9 is connected to the reel on the cable reel 10;

[0035] The drill bit 5 is fixedly mounted on the lower side end of the drill body 4. The second measuring wheel 8 has the same structure as the first measuring wheel 7 and is mounted in the same manner. The first measuring wheel 7 and the second measuring wheel 8 are arranged on the mounting seat 6 at the upper end of the cantilever 2 of the vehicle body 1, so that the lowering depth of the drill bit 5 is measured by the first measuring wheel 7 and the second measuring wheel 8, thereby ensuring the accuracy of the construction. The combined use of the first measuring wheel 7 and the second measuring wheel 8 can further ensure the measurement accuracy.

[0036] The first distance measuring wheel 7 is composed of a wheel body 11 , a rotating shaft 12 and a distance measuring assembly 13 . The wheel body 11 is rotatably mounted on the mounting seat 6 via the rotating shaft 12 .

[0037] A cable groove 14 is provided on the side wall of the wheel body 11. The cable groove 14 is an annular groove with a semicircular cross-section, and a mounting groove 15 is provided on the bottom surface of the cable groove 14. A wiring groove 16 is provided on the bottom surface of the mounting groove 15. A center groove is provided at the center position of the wheel body 11, and the wiring grooves 16 are all connected to the center groove.

[0038] The distance measuring assembly 13 is composed of a piezoresistor 17 , a connecting ring 18 , a return spring 19 , a force-bearing rod 20 and a support rod 21 .

[0039] The piezoresistor 17 and the connecting ring 18 are both connected to the bottom surface of the mounting groove 15, and the force-bearing rod 20 is connected to the connecting ring 18 through a reset spring 19, and the support rod 21 is connected to the force-bearing rod 20. When the reset spring 19 is in the reset state, the support rod 21 and the piezoresistor 17 are separated. The first measuring wheel 7 and the second measuring wheel 8 are both configured to be composed of a wheel body 11, a rotating shaft 12 and a distance measuring assembly 13. The distance measuring assembly 13 is configured to be composed of a piezoresistor 17, a connecting ring 18, a reset spring 19, a force-bearing rod 20 and a support rod 21, so that the cable 9 applies force to the force-bearing rod 20, so that the first measuring wheel 7 and the second measuring wheel 8 can apply pressure to the piezoresistor 17 through the force-bearing rod 20 while completing the rotation, thereby completing the ranging process.

[0040] A support rod movable groove 22 is provided at the inner end of the force-bearing rod 20, and the support rod 21 is movably set in the support rod movable groove 22, and the support rod 21 is connected to the bottom of the groove of the support rod movable groove 22 through a connecting spring 23. When the force-bearing rod 20 is pressed into the installation groove 15 under force, its support rod 21 and the varistor 17 are forced against each other. By providing a support rod movable groove 22 at the inner end of the force-bearing rod 20, and movably setting the support rod 21 in the support rod movable groove 22, and connecting the support rod 21 to the bottom surface of the support rod movable groove 22 with a connecting spring 23, it is ensured that the varistor 17 can be stably stressed, thereby ensuring measurement accuracy.

[0041] A signal receiving module and a signal transmission module are provided at the center of the wheel body 11 . The signal transmission module is a wireless transmission module, and the signal receiving module is electrically connected to the varistor 17 via a wire 24 .

[0042] A first conductive ring 25 and a second conductive ring 26 are provided on the shaft body of the rotating shaft 12. The first conductive ring 25 and the second conductive ring 26 are electrically connected to the signal receiving module respectively. An insulating seat 27 is provided on the mounting seat 6. A first conductive rod 28 and a second conductive rod 29 are provided on the insulating seat 27. The first conductive rod 28 is arranged in close proximity to the first conductive ring 25, and the second conductive rod 29 is arranged in close proximity to the second conductive ring 26. The other ends of the first conductive rod 28 and the second conductive rod 29 are respectively connected to the positive and negative poles of the power supply, and a protective box is provided on the outside of the first conductive ring 25, the second conductive ring 26, the first conductive rod 28 and the second conductive rod 29, and the protective box is connected to the mounting seat 6.

[0043] Working principle: By arranging the first and second measuring wheels 7 and 8 on the mounting seat 6 at the upper end of the cantilever 2 of the vehicle body 1, the lowering depth of the drill bit 5 can be measured by the first and second measuring wheels 7 and 8, thereby ensuring the accuracy of construction, and the combined use of the first and second measuring wheels 7 and 8 can further ensure the measurement accuracy, and the first and second measuring wheels 7 and 8 are both configured to be composed of a wheel body 11, a rotating shaft 12 and a measuring assembly 13, and the measuring assembly 13 is configured to be composed of a pressure-sensitive resistor 17, a connecting ring 18, a return spring 19, a force-bearing rod 20 and a support rod 21, so that the force-bearing rod 20 is applied by the cable 9, so that the first and second measuring wheels 7 and 8 are able to rotate after the rotation is completed. At the same time, the pressure-sensitive resistor 17 can be pressurized by the force-bearing rod 20 to complete the distance measurement process, and by providing a support rod movable groove 22 at the inner end of the force-bearing rod 20, and movably setting the support rod 21 in the support rod movable groove 22, and connecting the support rod 21 and the bottom surface of the support rod movable groove 22 with a connecting spring 23, it is ensured that the pressure-sensitive resistor 17 can be stably stressed, thereby ensuring the measurement accuracy. In actual use, the cable winding device 10 is driven to lower the cable 9, thereby realizing the lowering of the drill body 4. When the cable 9 moves relative to the first and second distance measuring wheels 7 and 8, the distance measuring component 13 will be subjected to force, and according to the number of electrical signals subjected to force, the actual lowering distance of the drill body 4 can be obtained.

[0044] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A rotary drilling rig for building foundation construction with the function of measuring hole depth, characterized by: The building foundation construction rotary drilling rig with the function of measuring hole depth comprises: A vehicle body (1), wherein a cockpit is provided on the left front side of the vehicle body (1), and a cable winding device (10) is provided on the rear side of the vehicle body (1); A cantilever (2), the cantilever (2) being fixedly mounted on the front side of the vehicle body (1), and a mounting seat (6) being fixedly mounted on the upper end of the cantilever (2), and a first distance measuring wheel (7) and a second distance measuring wheel (8) being rotatably mounted on the mounting seat (6); A drill body drive assembly (3), wherein the drill body drive assembly (3) is fixedly mounted on the cantilever (2); A drill body (4), the drill body (4) being mounted on the drill body drive assembly (3), and the upper end of the drill body (4) being connected to a cable (9), the other end of the cable (9) being connected to a reel on a cable reeling device (10); A drill bit (5), the drill bit (5) being fixedly mounted on the lower side end of the drill body (4); The first distance measuring wheel (7) is composed of a wheel body (11), a rotating shaft (12) and a distance measuring assembly (13), and the wheel body (11) is rotatably mounted on the mounting seat (6) via the rotating shaft (12); A cable groove (14) is provided on the side wall of the wheel body (11), the cable groove (14) is an annular groove with a semicircular cross section, and a mounting groove (15) is provided on the bottom surface of the cable groove (14), a wiring groove (16) is provided on the bottom surface of the mounting groove (15), and a central groove is provided at the center position of the wheel body (11), and the wiring grooves (16) are all connected to the central groove; The distance measuring assembly (13) is composed of a pressure-sensitive resistor (17), a connecting ring (18), a return spring (19), a force-bearing rod (20) and a support rod (21); The varistor (17) and the connecting ring (18) are both connected to the bottom surface of the mounting groove (15), and the force-bearing rod (20) is connected to the connecting ring (18) via a reset spring (19). The support rod (21) is connected to the force-bearing rod (20). When the reset spring (19) is in a reset state, the support rod (21) and the varistor (17) are separated. When the force-bearing rod (20) is pressed into the installation groove (15), the support rod (21) and the varistor (17) resist the force; A signal receiving module and a signal transmission module are provided at the center of the wheel body (11); the signal transmission module is a wireless transmission module, and the signal receiving module is electrically connected to the varistor (17) via a wire (24).

2. The rotary drilling rig for building foundation construction with the function of measuring hole depth according to claim 1, characterized in that: The inner end of the force-bearing rod (20) is provided with a support rod movable groove (22), the support rod (21) is movably arranged in the support rod movable groove (22), and the support rod (21) is connected to the bottom of the groove of the support rod movable groove (22) via a connecting spring (23).

3. The rotary drilling rig for building foundation construction with the function of measuring hole depth according to claim 1, characterized in that: A first conductive ring (25) and a second conductive ring (26) are provided on the shaft body of the rotating shaft (12), and the first conductive ring (25) and the second conductive ring (26) are electrically connected to the signal receiving module respectively. An insulating seat (27) is provided on the mounting seat (6), and a first conductive rod (28) and a second conductive rod (29) are provided on the insulating seat (27). The first conductive rod (28) and the first conductive ring (25) are arranged close to each other, and the second conductive rod (29) and the second conductive ring (26) are arranged close to each other, and the other ends of the first conductive rod (28) and the second conductive rod (29) are connected to the positive and negative electrodes of the power supply respectively, and a protective box is provided on the outer sides of the first conductive ring (25), the second conductive ring (26), the first conductive rod (28), and the second conductive rod (29), and the protective box is connected to the mounting seat (6).

4. The rotary drilling rig for building foundation construction with the function of measuring hole depth according to claim 3, characterized in that: The second distance measuring wheel (8) has the same structure as the first distance measuring wheel (7), and both are installed in the same installation manner.

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