Portable engineering site coring machine

Abstract

The utility model relates to the technical field of building drilling machinery, and discloses a portable engineering site coring machine which comprises a bottom plate and rollers arranged on the bottom plate, a lead screw lifting mechanism is arranged in the middle of the bottom plate, a first L-shaped supporting plate is arranged on one side of the lead screw lifting mechanism, a motor is fixedly arranged on the first L-shaped supporting plate, and after an output shaft of the motor penetrates through the first L-shaped supporting plate, a coring drill cylinder is arranged at the tail end of the output shaft of the motor. A drilling barrel rotating and positioning mechanism is arranged on the bottom plate and located under the coring drilling barrel, the coring drilling barrel is arranged in the drilling barrel rotating and positioning mechanism in a penetrating mode all the time in the drilling process, the stability of the coring drilling barrel in the rotating process is improved, and especially in a long coring drilling barrel with the large drilling depth, the drilling barrel rotating and positioning mechanism can rotate more stably. The effect is more obvious; the drilling and coring device is simple in overall structure and reasonable in layout, the water tank and the motor are arranged in a bilateral symmetry mode, operation is more stable in the drilling and lifting process, and the drilling and coring precision is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of building drilling machinery, and in particular to a portable engineering site coring machine. Background Art

[0002] The core drill is a construction machine mainly used for mechanical drilling of concrete and asphalt pavements. Its most important component is the drill bit. When the core drill is in operation, the drill bit rotates at high speed, driving the thin-walled diamond on the sleeve head to quickly grind, crush and cut the pavement, breaking a circular gap inside the pavement, and then splitting part of the pavement structure as a research sample.

[0003] At present, most of the coring machines on the market use gasoline or diesel as fuel, and use the internal combustion engine to drive the drill assembly to rotate to achieve drilling and coring. The internal combustion engine and the drill assembly are usually connected by a belt. The coring machine has the following disadvantages:

[0004] 1) The internal combustion engine produces a lot of noise and vibration when working, and the drill bit is prone to deviation during coring;

[0005] 2) The internal combustion engine and the drill assembly rely on belt transmission, and the output shaft and the drill assembly are not on the same horizontal line, resulting in a large power loss;

[0006] 3) Using gasoline or diesel as fuel will produce exhaust gas during operation, which is not friendly to the surrounding environment.

[0007] To this end, the present application aims to improve the obvious shortcomings of existing coring machines and proposes a portable engineering site coring machine. Utility Model Content

[0008] In order to solve the problems existing in the prior art, the utility model proposes a portable engineering site coring machine with reasonable structural design, high drilling position accuracy during coring, and less noise and pollution.

[0009] The technical solution of the utility model is as follows:

[0010] A portable engineering site coring machine comprises a base plate and a roller arranged on the base plate; a screw lifting mechanism is provided at a middle position on the base plate, a first L-shaped support plate is provided at a side position on the screw lifting mechanism, a motor is fixedly provided on the first L-shaped support plate, and a coring drill barrel is provided at the end of the output shaft of the motor after passing through the first L-shaped support plate; a drill barrel rotation positioning mechanism is provided on the base plate, and the drill barrel rotation positioning mechanism is located directly below the coring drill barrel, and the coring drill barrel is always inserted in the drill barrel rotation positioning mechanism during the drilling process, thereby improving the stability of the coring drill barrel rotation process, especially for a long coring drill barrel with a large drilling depth, the effect is more obvious.

[0011] Furthermore, a second L-shaped support plate is provided at the other side of the screw lifting mechanism, and a water tank is fixedly arranged on the second L-shaped support plate; the water tank includes a water tank body, a battery box is provided in the water tank body, a battery is arranged in the battery box, a water outlet is provided at the bottom of the water tank body, the battery box is arranged in the middle position of the water tank body, an open water storage space is formed between the outer wall of the battery box and the inner wall of the water tank body, the battery box and the water tank body adopt an integrated structure, and the sealing and isolation effect is better.

[0012] Furthermore, a drill barrel spray device is provided on the bottom surface of the first L-shaped support plate, and the drill barrel spray device is arranged concentrically with the coring drill barrel. The output shaft of the motor passes through the first L-shaped support plate and the drill barrel spray device and is connected to the coring drill barrel.

[0013] Furthermore, the drill barrel rotation positioning mechanism includes a positioning ring plate, a guide wheel and an adjusting bolt; a through hole is provided in the middle of the positioning ring plate, and at least three adjusting holes are opened in the circumferential direction at the bottom of the positioning ring plate, and the adjusting holes are all arranged toward the center of the positioning ring plate; the adjusting bolt is passed through the adjusting hole and is connected to the guide wheel, and the adjusting bolt adjusts the centripetal distance of the guide wheel in the adjusting hole, thereby adapting to coring drill barrels of different sizes, and is more practical.

[0014] Furthermore, the drill barrel spray device includes a spray head, a mounting flange and a water inlet piece; the mounting flange is arranged on the spray head, the spray head adopts an annular cavity structure, the water inlet piece is arranged on one side of the spray head and is connected to the annular cavity structure, the spray head and the mounting flange center are both provided with through holes, and a group of spray holes are provided along the circumferential direction at the bottom of the spray head. The spray holes arranged in the circumferential direction can spray the coring drill barrel in all directions, and the spray effect is more uniform and effective.

[0015] Furthermore, a U-shaped opening groove is provided at the front of the bottom plate, and the drill tube rotation positioning mechanism is arranged on the inner wall at the middle position of the U-shaped opening groove through a connecting piece.

[0016] Furthermore, the water inlet of the drill tube spray device is connected to the water outlet at the bottom of the water tank through a hose, and a valve for controlling the water flow is provided on the hose. The valve can be used to control the spray water flow at any time during the drilling process.

[0017] Furthermore, the battery adopts a ternary lithium battery, which has a high energy density and can store more electricity in the same volume.

[0018] The beneficial effects of the utility model are as follows:

[0019] 1) The utility model provides a drill barrel rotation positioning mechanism just below the coring drill barrel. During the drilling process, the coring drill barrel is inserted into the drill barrel rotation positioning mechanism. The drill barrel rotation positioning mechanism can ensure the stability during the drilling process and improve the drilling accuracy.

[0020] 2) The driving device of the utility model adopts an electric motor and is equipped with a ternary lithium battery, which can reduce noise and pollution during the drilling process.

[0021] 3) The output shaft of the motor of the utility model and the coring drill tube are located on the same vertical line, so the motor can provide greater torque during the drilling process and is more efficient in coring the holes.

[0022] 4) The drill barrel spraying device of the utility model can spray and cool the coring drill barrel in 360° all-round manner during the coring process by arranging spray holes in the circumferential direction.

[0023] 5) The utility model has its own water tank, and the battery box is arranged in the water tank, which can cool the ternary lithium battery and improve the safety of the ternary lithium battery to a certain extent.

[0024] 6) The utility model has a simple overall structure and a reasonable layout. The water tank and the motor are arranged symmetrically. During the drilling and lifting process, the operation is more stable, which further improves the accuracy of drilling and coring. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is a top view of the drill tube rotation positioning mechanism of the utility model;

[0027] Figure 3 This is a bottom view of the drill tube rotation and positioning mechanism of the utility model;

[0028] Figure 4 This is a structural schematic diagram of the drill tube spray device of the utility model;

[0029] Figure 5 This is a schematic diagram of the water tank structure of the utility model;

[0030] In the figure: 1. bottom plate; 101. roller; 2. lead screw lifting mechanism; 201. rotating handle; 202. lead screw nut seat; 203. lead screw assembly; 3. motor; 301. output shaft; 4. first L-shaped support plate; 5. drill barrel spray device; 501. mounting flange; 502. spray head; 503. water inlet member; 504. through hole; 505. spray hole; 6. coring drill barrel; 7. water tank; 701. water tank body; 702. battery box; 703. water storage space; 704. water outlet member; 705. limiting protrusion; 8. drill barrel rotation positioning mechanism; 801. connecting member; 802. positioning ring plate; 803. adjusting bolt; 804. through hole; 805. adjusting hole; 806. guide wheel; 9. second L-shaped support plate. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings of the specification.

[0032] like Figure 1 As shown, a portable engineering site coring machine includes a base plate 1, rollers 101 arranged at four corners of the base plate 1, and a screw lifting mechanism 2 arranged at the middle position of the upper part of the base plate.

[0033] The screw lifting mechanism 2 includes a screw member 203, a screw nut seat 202, and a rotating handle 203; the screw assembly 203 is fixedly set on the base plate, the screw nut seat 202 is set on the screw assembly 203, and the rotating handle 203 is set at the top position of the screw assembly 203; controlling the rotating handle 203 can drive the screw nut seat 202 to perform an upgrading action on the screw assembly 203.

[0034] A first L-shaped support plate 4, a motor 3 and a drill barrel spraying device 5 are provided on one side of the screw nut seat 202. The first L-shaped support plate 4 is fixedly arranged on the screw nut seat 202. The motor 3 is arranged on the top of the first L-shaped support plate 4. A coring drill barrel 6 is provided at the end of the output shaft 301 of the motor 3.

[0035] The drill barrel spray device 5 is arranged at the bottom of the first L-shaped support plate 4. The drill barrel spray device 5 is arranged concentrically with the coring drill barrel 6. The drill barrel spray device 5 includes a spray head 502, a mounting flange 501 and a water inlet piece 503; the mounting flange 501 is arranged on the spray head 502, the spray head 502 adopts an annular cavity structure, the water inlet piece 503 is arranged on one side of the spray head 502, and is connected to the annular cavity structure, the spray head 502 and the mounting flange 501 are both provided with a through hole 504 in the center, and a group of spray holes 505 are provided at the bottom of the spray head 502 along the circumferential direction. After the drill barrel spray device 5 is installed, the spray holes 505 on the spray head 502 are located in the circumferential direction above the coring drill barrel 6, and 360° spraying is achieved after water is discharged; the output shaft of the motor 3 passes through the through hole 504 on the first L-shaped support plate 4 and the drill barrel spray device 5 and is fixedly connected to the coring drill barrel 6.

[0036] A U-shaped opening groove is provided at the front of the base plate 1, and a drill barrel rotation positioning mechanism 8 is welded on the inner wall in the middle position of the U-shaped opening groove through a connecting piece 801, wherein the drill barrel rotation positioning mechanism 8 is located directly below the coring drill barrel 6, and the drill barrel rotation positioning mechanism 8 includes a positioning ring plate 802, a guide wheel 806 and an adjusting bolt 803; a through hole 804 is provided in the middle of the positioning ring plate 802, and three adjusting holes 805 are opened in the bottom of the positioning ring plate 802 along the circumferential direction, and the adjusting holes 805 are all arranged toward the center of the positioning ring plate 802; the adjusting bolt 803 is penetrated on the adjusting hole 805 and is connected to the guide wheel 806, and the position of the guide wheel 806 in the through hole 804 can be controlled by adjusting the position of the adjusting bolt 803 in the adjusting hole 805, so that coring drill barrels 6 of different sizes and models can be used.

[0037] A second L-shaped support plate 9 is symmetrically arranged at the other side of the screw lifting mechanism 2, and a water tank 7 is fixedly arranged on the second L-shaped support plate 9; the water tank 7 includes a water tank body 701, a battery box 702 is arranged in the water tank body 701, a battery (ternary lithium battery) is arranged in the battery box 702, a water outlet 704 is arranged at the bottom of the water tank body 701, the battery box 702 is sealed and arranged in the middle of the water tank body 701, and an open water storage space 703 is formed between the outer wall of the battery box 702 and the inner wall of the water tank body 701, and tap water or coolant is stored in the water storage space 703 for spraying by the drill barrel spraying device 5 and cooling of the battery box 702. In this embodiment, a limiting protrusion 705 is arranged on the periphery of the water tank body 701, and the limiting protrusion 705 is clamped on the hole of the second L-shaped support plate 9.

[0038] The water inlet piece 503 of the drill tube spray device 5 is connected to the water outlet piece 704 at the bottom of the water tank 7 through a hose, and a valve for controlling the water flow is provided on the hose. In this embodiment, the water inlet piece 503 and the water outlet piece 704 are basically located at the same height. Under the action of the gravity of the liquid, the water in the water tank 7 can automatically flow from the water outlet piece 704 to the water inlet piece 503 without the participation of a pump.

[0039] During the drilling process, the handle is manually controlled to rotate, causing the lead screw nut to descend, driving the motor, water tank, coring drill barrel, and drill barrel spray device to descend synchronously, and the drill barrel rotation positioning mechanism remains stationary. When the lower part of the coring drill barrel passes through the drill barrel rotation positioning mechanism, the descent is stopped, and the position of the guide wheel is adjusted to make it contact with the coring drill barrel to complete the preparation work; start the motor, open the valve, and turn the handle at the same time to continue to descend the coring drill barrel until the coring drilling is completed.

Claims

1. A portable engineering site coring machine, comprising a base plate (1) and a roller (101) arranged on the base plate (1); characterized in that: A screw lifting mechanism (2) is provided at a middle position on the bottom plate (1), a first L-shaped support plate (4) is provided at a side position on the screw lifting mechanism (2), a motor (3) is fixedly provided on the first L-shaped support plate (4), and a coring drill barrel (6) is provided at the end of an output shaft (301) of the motor (3) after passing through the first L-shaped support plate (4); a drill barrel rotation positioning mechanism (8) is provided on the bottom plate (1), and the drill barrel rotation positioning mechanism (8) is located directly below the coring drill barrel (6); the coring drill barrel (6) is always inserted into the drill barrel rotation positioning mechanism (8) during the drilling process, thereby improving the stability of the coring drill barrel (6) during the rotation process; The drill tube rotation positioning mechanism (8) comprises a positioning ring plate (802), a guide wheel (806) and an adjusting bolt (803); a through hole (804) is provided in the middle of the positioning ring plate (802); at least three adjusting holes (805) are opened at the bottom of the positioning ring plate (802) along the circumferential direction, and the adjusting holes (805) are all arranged toward the center of the positioning ring plate (802); the adjusting bolt (803) is passed through the adjusting hole (805) and is connected to the guide wheel (806).

2. A portable engineering site coring machine according to claim 1, characterized in that: A second L-shaped support plate (9) is provided at the other side of the screw lifting mechanism (2), and a water tank (7) is fixedly provided on the second L-shaped support plate (9); the water tank (7) comprises a water tank body (701), a battery box (702) is provided in the water tank body (701), a battery is provided in the battery box (702), a water outlet member (704) is provided at the bottom of the water tank body (701), the battery box (702) is arranged in the middle of the water tank body (701), and an open water storage space (703) is formed between the outer wall of the battery box (702) and the inner wall of the water tank body (701).

3. A portable engineering site coring machine according to claim 2, characterized in that: A drill barrel spray device (5) is provided on the bottom surface of the first L-shaped support plate (4), and the drill barrel spray device (5) is arranged concentrically with the coring drill barrel. The output shaft of the motor (3) passes through the first L-shaped support plate (4) and the drill barrel spray device (5) and is connected to the coring drill barrel (6).

4. A portable engineering site coring machine according to claim 3, characterized in that: The drill pipe spray device (5) comprises a spray head (502), a mounting flange (501) and a water inlet member (503); the mounting flange (501) is arranged on the spray head (502); the spray head (502) adopts an annular cavity structure; the water inlet member (503) is arranged at one side of the spray head (502) and is connected to the annular cavity structure; a through hole (504) is provided at the center of the spray head (502) and the mounting flange (501); and a group of spray holes (505) are provided at the bottom of the spray head (502) along the circumferential direction.

5. The portable engineering site coring machine according to claim 1, characterized in that: A U-shaped opening groove is provided at the front of the bottom plate (1), and the drill tube rotation positioning mechanism (8) is arranged on the inner wall at the middle position of the U-shaped opening groove through a connecting piece (801).

6. A portable engineering site coring machine according to claim 3, characterized in that: The water inlet member of the drill pipe spraying device (5) is connected to the water outlet member (704) at the bottom of the water tank (7) via a hose, and a valve for controlling the water flow is provided on the hose.

7. A portable engineering site coring machine according to claim 2, characterized in that: The battery is a ternary lithium battery.

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