Concrete drilling and coring device

Abstract

The present invention discloses a concrete drilling and coring device, which relates to the technical field of concrete detection. The device comprises a frame, a lifting mechanism, a power mechanism, a driving shaft, a water pump, a water inlet seat and a drill tube; the water inlet seat is arranged on the lifting mechanism, the water pump is arranged on the water inlet seat, a water pump hose is arranged on the top of the water pump, the water pump hose is used to connect the water source, and the water outlet of the water pump is connected to the water inlet of the water inlet seat by a connecting pipe; the driving shaft is passed through the water pump and the water inlet seat, and the top of the driving shaft is connected to the impeller of the water pump; the inside of the driving shaft is a hollow structure with an opening at the bottom, a water inlet hole is arranged on one side of the driving shaft, a water inlet cavity is arranged in the water inlet seat, and the water inlet hole is located in the water inlet cavity. The present invention realizes water addition from the inside of the drill tube by arranging the water pump and the water inlet seat, which is convenient for flushing out the debris in the drill tube, reducing friction resistance, avoiding the breakage of the concrete core sample, and avoiding the additional accessories such as power supply and water pump, which is convenient for transportation.

Description

Technical Field

[0001] The invention relates to the technical field of concrete detection, in particular to a concrete drilling and coring device. Background Art

[0002] In the construction process of concrete piles, pavements, foundations, etc., the core drilling method is required to test the strength of concrete. The core drilling method is a testing method to drill core samples from the structure and evaluate the quality of the structure. Drilling core samples requires a concrete coring machine.

[0003] The existing concrete coring machine needs to be equipped with an additional power supply, a water pump, etc. when working, and then add water to the outside of the drill barrel to cool the drill barrel and flush out debris. It is inconvenient to transport and carry, and the debris in the drill barrel is difficult to discharge, which is easy to rub against the concrete core sample, increasing the resistance, and in severe cases, causing the concrete core sample to break. Summary of the invention

[0004] The main purpose of the present invention is to provide a concrete drilling and coring device to solve the above problems.

[0005] To achieve the above-mentioned purpose, the present invention provides a concrete drilling and coring device, comprising a frame, a lifting mechanism, a power mechanism, a driving shaft and a drill barrel, wherein the lifting mechanism is arranged on the frame, the power mechanism and the driving shaft are arranged on the lifting mechanism, the driving shaft is connected to the power mechanism by power, and the drill barrel is installed at the bottom of the driving shaft; it also includes a water pump and a water inlet seat, the water inlet seat is arranged on the lifting mechanism, the water pump is arranged on the water inlet seat, a water suction hose is arranged on the top of the water pump, the water suction hose is used to connect to a water source, and the water outlet of the water pump is connected to the water inlet of the water inlet seat by a connecting pipe; the driving shaft is penetrated through the water pump and the water inlet seat, and the top end of the driving shaft is connected to the impeller of the water pump; the interior of the driving shaft is a hollow structure with an opening at the bottom, a water inlet hole is arranged on one side of the driving shaft, a water inlet cavity is arranged in the water inlet seat, and the water inlet hole is located in the water inlet cavity.

[0006] Furthermore, a side of the water inlet cavity away from the water inlet of the water inlet seat is a semicircular arc surface structure, and the semicircular arc surface structure is adapted to the outer surface of the driving shaft.

[0007] Furthermore, the top of the drill barrel is screwed to the bottom of the driving shaft, and a plurality of teeth are provided at the bottom of the drill barrel, with tooth grooves formed between two adjacent teeth; a plurality of through holes corresponding to the tooth grooves are provided in the circumferential direction of the drill barrel, and the through holes are close to the tooth grooves and located above the tooth grooves, and a plurality of spiral chip grooves corresponding to the tooth grooves are provided on the outer wall of the drill barrel; the top end of the spiral chip grooves extends to the top of the drill barrel, and the bottom end of the spiral chip grooves extends to the tooth grooves, and a part of the through holes is located in the spiral chip grooves; a plurality of spiral drainage grooves corresponding to the through holes are provided on the inner wall of the drill barrel; the top end of the spiral drainage grooves extends to the inner top of the drill barrel, and the bottom end of the spiral drainage grooves extends into the through holes; the rotation direction of the spiral chip grooves is the same as the rotation direction of the drill barrel, and the rotation direction of the spiral drainage grooves is opposite to the rotation direction of the drill barrel.

[0008] Furthermore, the pitches of the spiral chip removal grooves and the spiral water removal grooves are both greater than the length of the drill barrel.

[0009] Furthermore, the lifting mechanism includes a mounting plate, a handwheel, a screw rod, a sliding frame and two guide columns; the two guide columns are mounted on the frame, the mounting plate is mounted on the top of the two guide columns, the screw rod is rotatably arranged on the mounting plate and the frame, the handwheel is connected to the top of the screw rod, the sliding frame is slidably arranged on the two guide columns, a screw pair is arranged in the sliding frame, and the screw pair is threadedly connected to the screw rod; the power mechanism is mounted on the sliding frame, and the driving shaft is rotatably arranged on the sliding frame.

[0010] Furthermore, the power mechanism adopts an internal combustion engine or an electric motor.

[0011] Furthermore, a handrail is provided on the frame.

[0012] Furthermore, a plurality of running wheels are arranged on the frame.

[0013] Furthermore, the walking wheel includes a U-shaped frame, a support plate and a universal wheel, the U-shaped frame is arranged on the top of the support plate, the universal wheel is arranged at the bottom of the support plate, an open groove is arranged on the frame, a pin shaft is arranged in the open groove, the diameter of the pin shaft is the same as the inner diameter of the U-shaped frame, and the gap distance between the pin shaft and the bottom of the open groove is the same as the single-side thickness of the U-shaped frame; a rubber shock-absorbing pad is arranged at the bottom of the frame.

[0014] The present invention has the following beneficial effects:

[0015] The present invention provides a water pump and a water inlet seat to add water from the inside of the drill tube, which is convenient for flushing out debris in the drill tube, reducing friction resistance, avoiding breakage of concrete core samples, and avoiding additional accessories such as power supplies and water pumps, thereby facilitating transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is an overall schematic diagram of a concrete drilling and coring device according to the present invention.

[0017] Figure 2 Another schematic diagram of a concrete coring device according to the present invention.

[0018] Figure 3 The present invention provides a cross-sectional view of a water pump and a water inlet seat of a concrete drilling and coring device.

[0019] Figure 4 The present invention is a schematic diagram of a drill barrel of a concrete drilling and coring device.

[0020] Figure 5 Another schematic diagram of a drill barrel of a concrete drilling and coring device according to the present invention.

[0021] Figure 6 The present invention is a schematic diagram of a travel wheel of a concrete drilling and coring device.

[0022] Among them, 1-frame; 2-power mechanism; 3-lifting mechanism; 4-water pump; 5-water inlet seat; 6-driving shaft; 7-drill barrel; 8-travel wheel; 11-handrail; 12-rubber shock-absorbing pad; 13-opening groove; 14-pin shaft; 31-handwheel; 32-mounting plate; 33-screw rod; 34-guide column; 35-sliding frame; 36-inclined beam; 41-water suction hose; 42-impeller; 43-connecting pipe; 51-water inlet chamber; 61-water inlet hole; 71-tooth; 72-tooth groove; 73-through hole; 74-spiral chip groove; 75-spiral drainage groove; 81-U-shaped frame; 82-support plate; 83-universal wheel. DETAILED DESCRIPTION

[0023] In order to achieve the above-mentioned purpose and effect, the technical means and structures adopted by the present invention are described in detail with reference to the accompanying drawings for the features and functions of the preferred embodiments of the present invention.

[0024] like Figure 1-Figure 6As shown, the present invention provides a concrete drilling and coring device, including a frame 1, a lifting mechanism 3, a power mechanism 2, a driving shaft 6, a water pump 4, a water inlet seat 5 and a drill tube 7, wherein the lifting mechanism 3 includes a mounting plate 32, a hand wheel 31, a screw rod 33, a sliding frame 35 and two guide columns 34; the two guide columns 34 are mounted on the frame 1, the mounting plate 32 is mounted on the top of the two guide columns 34, the screw rod 33 is rotatably arranged on the mounting plate 32 and the frame 1, the hand wheel 31 is connected to the top of the screw rod 33, and the The sliding frame 35 is slidably arranged on two guide pillars 34, and a thread pair is arranged inside the sliding frame 35, and the thread pair is screwed to the threaded rod 33. As a preferred embodiment, the mounting plate 32 and the frame 1 are fixedly supported by an inclined beam 36 to improve stability; the threaded rod 33 is driven to rotate by shaking the hand wheel 31 to realize the lifting and lowering of the sliding frame 35; the power mechanism 2 is installed on the sliding frame 35, the driving shaft 6 is rotatably arranged on the sliding frame 35, and the drill tube 7 is installed at the bottom of the driving shaft 6. The driving shaft 6 and the power mechanism 2 are connected to the driving shaft 6. The mechanism 2 is connected by belt or chain power; the power mechanism 2 drives the driving shaft 6 to rotate, thereby rotating the drill tube 7; the power mechanism 2 adopts an internal combustion engine or an electric motor. In view of the difficulty of using electricity on the construction site, an internal combustion engine is preferably used; the water inlet seat 5 is arranged on the sliding frame 35, the water pump 4 is arranged on the water inlet seat 5, and a water suction hose 41 is arranged on the top of the water pump 4. The water suction hose 41 is used to connect to a water source, and the water outlet of the water pump 4 is connected to the water inlet of the water inlet seat 5 by a connecting pipe 43; the driving The rotating shaft 6 is penetrated through the water pump 4 and the water inlet seat 5, and the top end of the driving rotating shaft 6 is connected to the impeller 42 of the water pump 4; the interior of the driving rotating shaft 6 is a hollow structure with an opening at the bottom, and a water inlet hole 61 is provided on one side of the driving rotating shaft 6, and a water inlet cavity 51 is provided in the water inlet seat 5, and the water inlet hole 61 is located in the water inlet cavity 51; the driving rotating shaft 6 drives the impeller 42 to rotate, so that the water pump 4 draws water from the water source into the water inlet cavity 51 of the water inlet seat 5, and then enters the driving rotating shaft 6 through the water inlet hole 61 and is transmitted to the drill tube 7.

[0025] In another embodiment, the side of the water inlet cavity 51 away from the water inlet of the water inlet seat 5 is a semicircular arc surface structure, and the semicircular arc surface structure is adapted to the outer surface of the driving shaft 6. When the water inlet hole 61 of the driving shaft 6 rotates to the semicircular arc surface structure, the water inlet hole 61 is blocked, the driving shaft 6 stops taking in water, and the water in the water inlet cavity 51 is continuously pressurized. When the water inlet hole 61 of the driving shaft 6 rotates away from the semicircular arc surface structure, the water in the water inlet cavity 51 re-enters the water inlet hole 61 to release the pressure, and the driving shaft 6 rotates continuously, thereby realizing pulse flushing, preventing blockage in the drill tube 7, and improving the chip flushing effect.

[0026] In another embodiment, the top of the drill tube 7 is screwed to the bottom of the driving shaft 6, and a plurality of teeth 71 are provided at the bottom of the drill tube 7, and a tooth groove 72 is formed between two adjacent teeth 71; a plurality of through holes 73 corresponding to the tooth grooves 72 are provided in the circumferential direction of the drill tube 7, and the through holes 73 are close to the tooth grooves 72 and located above the tooth grooves 72; a plurality of spiral chip grooves 74 corresponding to the tooth grooves 72 are provided on the outer wall of the drill tube 7; the top of the spiral chip groove 74 extends to the drill tube 7 The bottom end of the spiral chip groove 74 extends to the tooth groove 72, and a part of the through hole 73 is located in the spiral chip groove 74; a plurality of spiral drainage grooves 75 corresponding to the through holes 73 are arranged on the inner wall of the drill tube 7; the top end of the spiral drainage groove 75 extends to the top of the inner side of the drill tube 7, and the bottom end of the spiral drainage groove 75 extends into the through hole 73; the rotation direction of the spiral chip groove 74 is the same as the rotation direction of the drill tube 7, and the rotation direction of the spiral drainage groove 75 is opposite to the rotation direction of the drill tube 7. Since the rotation direction of the spiral chip groove 74 is the same as the rotation direction of the drill tube 7, the spiral chip groove 74 provides guidance, and when the drill tube 7 rotates to drill, most of the debris in the tooth groove 72 will rise along the spiral chip groove 74, thereby improving the chip removal efficiency. Since the rotation direction of the spiral drainage groove 75 is opposite to the rotation direction of the drill tube 7, the spiral drainage groove 75 provides guidance, and the water in the drill tube 7 moves downward more easily in the spiral drainage groove 75, reducing the pressure of cleaning the internal debris, and finally discharged from the through hole 73. Since a part of the through hole 73 is located in the spiral chip removal groove 74, a part of the water coming out of the through hole 73 will move along the spiral chip removal groove 74 to make the chip removal smoother, and the other part will be sprayed along the outer wall of the drill tube 7 for lubrication. The intersection of the tooth groove 72 and the spiral chip removal groove 74 is prone to accumulation of debris. Through pulse flushing, the water pressure when the water flow is sprayed from the through hole 73 fluctuates in a pulsed manner, thereby hitting the accumulated debris at the intersection of the tooth groove 72 and the spiral chip removal groove 74, making it easier to discharge the debris.

[0027] In another embodiment, the pitch of the spiral chip groove 74 and the spiral drainage groove 75 are both greater than the length of the drill tube 7, which on the one hand avoids excessive increase in the load of the drill tube 7 and affects the drilling efficiency, and on the other hand reduces the difficulty of processing the drill tube 7.

[0028] In another embodiment, a handrail 11 is provided on the frame 1. A plurality of running wheels 8 are provided at the bottom of the frame 1 to facilitate overall transportation.

[0029] In another embodiment, the walking wheel 8 includes a U-shaped frame 81, a support plate 82 and a universal wheel 83, the U-shaped frame 81 is arranged on the top of the support plate 82, the universal wheel 83 is arranged at the bottom of the support plate 82, and an open groove 13 is arranged on the frame 1, and a pin shaft 14 is arranged in the open groove 13. The diameter of the pin shaft 14 is the same as the inner diameter of the U-shaped frame 81, and the gap distance between the pin shaft 14 and the bottom of the open groove 13 is the same as the single-side thickness of the U-shaped frame 81. In the transport state, the support plate 82 and the universal wheel 83 are located at the bottom of the frame 1, and one side of the U-shaped frame 81 is stuck in the gap between the pin shaft 14 and the bottom of the opening groove 13; when it is necessary to perform core drilling, the frame 1 is lifted, and under the gravity of the running wheel 8, the U-shaped frame 81 slides down until the bending part of the U-shaped frame 81 contacts the pin shaft 14, and then the running wheel 8 is turned upward with the pin shaft 14 as the center, and then the frame 1 is put down, and each running wheel 8 is turned over one by one according to this process, and finally the frame 1 falls to the ground, increasing the friction force, and preventing the reaction force from driving the frame to move during the core drilling work, which affects the drilling accuracy. As a preferred embodiment, a rubber shock-absorbing pad 12 can be set at the bottom of the frame 1 to increase the friction force and perform shock absorption.

[0030] The above descriptions are only preferred embodiments of the present invention, not all embodiments. Anyone should be aware that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same or similar to the present invention, belong to the protection scope of the present invention.

Claims

1. A concrete drilling and coring device, comprising a frame, a lifting mechanism, a power mechanism, a driving shaft and a drill barrel, wherein the lifting mechanism is arranged on the frame, the power mechanism and the driving shaft are arranged on the lifting mechanism, the driving shaft is connected to the power mechanism, and the drill barrel is installed at the bottom of the driving shaft; characterized in that: It also includes a water pump and a water inlet seat, wherein the water inlet seat is arranged on the lifting mechanism, the water pump is arranged on the water inlet seat, a water pump hose is arranged on the top of the water pump, the water pump hose is used to connect to a water source, and the water outlet of the water pump is connected to the water inlet of the water inlet seat by a connecting pipe; the driving shaft is passed through the water pump and the water inlet seat, and the top end of the driving shaft is connected to the impeller of the water pump; the interior of the driving shaft is a hollow structure with an opening at the bottom, a water inlet hole is arranged on one side of the driving shaft, a water inlet cavity is arranged in the water inlet seat, and the water inlet hole is located in the water inlet cavity; The side of the water inlet cavity away from the water inlet of the water inlet seat is a semicircular arc surface structure, and the semicircular arc surface structure is adapted to the outer surface of the driving shaft; The top of the drill barrel is screwed to the bottom of the driving shaft, and a plurality of teeth are provided at the bottom of the drill barrel, with tooth grooves formed between two adjacent teeth; a plurality of through holes corresponding to the tooth grooves are provided in the circumferential direction of the drill barrel, and the through holes are close to the tooth grooves and located above the tooth grooves, and a plurality of spiral chip grooves corresponding to the tooth grooves are provided on the outer wall of the drill barrel; the top end of the spiral chip grooves extends to the top of the drill barrel, and the bottom end of the spiral chip grooves extends to the tooth grooves, and a part of the through holes is located in the spiral chip grooves; a plurality of spiral drainage grooves corresponding to the through holes are provided on the inner wall of the drill barrel; the top end of the spiral drainage grooves extends to the inner top of the drill barrel, and the bottom end of the spiral drainage grooves extends into the through holes; the rotation direction of the spiral chip grooves is the same as the rotation direction of the drill barrel, and the rotation direction of the spiral drainage grooves is opposite to the rotation direction of the drill barrel.

2. A concrete coring device as claimed in claim 1, characterized in that: The pitches of the spiral chip removal groove and the spiral water removal groove are both greater than the length of the drill tube.

3. A concrete coring device as claimed in any one of claims 1 to 2, characterized in that: The lifting mechanism includes a mounting plate, a hand wheel, a screw rod, a sliding frame and two guide columns; the two guide columns are mounted on the frame, the mounting plate is mounted on the top of the two guide columns, the screw rod is rotatably arranged on the mounting plate and the frame, the hand wheel is connected to the top of the screw rod, the sliding frame is slidably arranged on the two guide columns, a screw pair is arranged in the sliding frame, and the screw pair is screwed to the screw rod; the power mechanism is mounted on the sliding frame, and the driving shaft is rotatably arranged on the sliding frame.

4. A concrete coring device as claimed in claim 3, characterized in that: The power mechanism adopts an internal combustion engine or an electric motor.

5. A concrete coring device as claimed in claim 1, characterized in that: The frame is provided with a handrail.

6. A concrete coring device as claimed in claim 1, characterized in that: A plurality of running wheels are arranged on the frame.

7. A concrete coring device as claimed in claim 6, characterized in that: The walking wheel includes a U-shaped frame, a support plate and a universal wheel, the U-shaped frame is arranged on the top of the support plate, the universal wheel is arranged on the bottom of the support plate, an open groove is arranged on the frame, a pin is arranged in the open groove, the diameter of the pin is the same as the inner diameter of the U-shaped frame, and the gap distance between the pin and the bottom of the open groove is the same as the single-side thickness of the U-shaped frame; a rubber shock-absorbing pad is arranged at the bottom of the frame.

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