CN113389493A - Multifunctional drill bit device of drilling and core-drilling machine and construction method - Google Patents

Abstract

The invention provides a drill bit device of a multifunctional drilling and core-taking machine and a construction method. The multifunctional drill bit device of the drilling and core-taking machine comprises a drill bit, a level adjusting mechanism, a soil core sucking mechanism and a scale metering mechanism. Wherein, the drill bit roof is provided with level adjustment mechanism, and drill bit inside is provided with soil core suction means, and soil core suction means includes T type action bars and sets up the sucking disc in its lower extreme, and the vertical logical groove of symmetry is seted up to the drill bit lateral wall, and logical groove is worn out at T type action bars crossbeam both ends to be fixed in the drill bit lateral wall through locking mechanism on, the drill bit lateral wall is provided with scale metering mechanism. This drill bit device has concentrated drilling and has got core, levelness control and drilling depth measurement's function in an organic whole, not only can realize drilling and the disposable operation of getting the core, simple structure, the operation of being convenient for moreover, the constructor of still being convenient for controls the degree of depth and the straightness that hangs down of drilling, ensures the construction precision.

Description

Multifunctional drill bit device of drilling and core-drilling machine and construction method

Technical Field

The invention belongs to the technical field of road engineering construction, and particularly relates to a drill bit device of a multifunctional drilling and coring machine, and a construction method for drilling and coring construction by using the device.

Background

In municipal construction, when the quality of a road surface needs to be detected or the road needs to be modified, the construction operation of drilling and coring the concrete road surface is involved. However, conventional drilling machines typically only complete the drilling operation, and the drilled concrete core remains in the drilled hole, which may be followed by a coring operation in conjunction with other mechanical equipment to remove the concrete core. The construction mode has the advantages of complex steps, prolonged construction time and increased difficulty of road construction operation.

In addition, the existing drilling equipment has the following two defects: on one hand, the depth of the formed hole cannot be known in real time in the drilling process, and the drilling depth can only be judged by the experience of constructors, so that the reliable construction precision is difficult to ensure; on the other hand, the drill bit of the drilling machine is easy to deviate under vibration in the drilling process, the verticality of the drilled hole cannot be ensured, and the drill bit is clamped when the deviation is serious, so that the smooth construction operation is influenced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a drill bit device of a multifunctional drilling and coring machine and a construction method, which can realize one-time operation of drilling and coring, have a simple structure, are convenient to operate, and can ensure reliable construction precision.

In order to solve the technical problems, the invention adopts the following technical scheme:

in a first aspect, the invention provides a drill bit device of a multifunctional drilling and core-drilling machine, which comprises a drill bit, a level adjusting mechanism, a soil core sucking mechanism and a scale metering mechanism, wherein the drill bit is arranged on the drill bit; a leveling mechanism is arranged on the top wall of the drill bit; a soil core suction mechanism is arranged inside the drill bit; the soil core suction mechanism comprises a T-shaped operating rod and a sucker arranged at the lower end of the T-shaped operating rod; the lateral wall of the drill bit is provided with symmetrical vertical through grooves, and two ends of the T-shaped operating rod beam penetrate through the through grooves and are fixed on the lateral wall of the drill bit through a locking mechanism; the side wall of the drill bit is also provided with a scale metering mechanism.

On the basis of the technical scheme, the leveling mechanism is a universal leveling bubble.

On the basis of the technical scheme, the T-shaped operating rod beam of the soil core suction mechanism is a telescopic rod.

On the basis of the technical scheme, the T-shaped operating rod beam comprises an outer rod and an inner rod; the outer rod is provided with a limiting hole, and the inner rod is provided with a limiting marble; the two inner rods are nested into the outer rods.

On the basis of the technical scheme, the end, far away from the outer rod, of the inner rod is provided with threads, and the locking mechanism is a nut.

On the basis of the technical scheme, the scale metering mechanism is a measuring scale, and the initial scale of the measuring scale is positioned on the upper edge of the drill bit.

On the basis of the technical scheme, the numerical value of the initial scale of the measuring scale is the height of the drill bit, and the numerical value range is 5-10 cm.

On the basis of the technical scheme, the inner diameter of the side wall of the drill bit is 5-30 cm, and the maximum drilling depth is 50 cm.

In a second aspect, the invention provides a construction method of the multifunctional core drilling and coring drill bit device based on the first aspect, and the construction method comprises the following steps:

s1, moving the T-shaped operating rod upwards to the highest point, and then locking and fixing;

s2, adjusting the drill bit device to be vertical by using a leveling mechanism;

s3, drilling, and stopping drilling when the drilling depth reaches the specified scale of the scale metering mechanism;

s4, canceling the fixation of the soil core suction mechanism, and moving the T-shaped operating rod downwards until the suction disc sucks the concrete core;

s5, moving the T-shaped operating rod upwards to drive the concrete core to move upwards to the highest position, and locking and fixing the T-shaped operating rod;

and S6, lifting the drill bit device upwards, and taking out the concrete core together with the drill bit device.

In addition to the above-described configuration, in step S3, the perpendicularity of the drill device is adjusted by the leveling mechanism at that time.

Compared with the prior art, the invention has the beneficial effects that:

(1) the multifunctional drill bit device for the drilling and core-drilling machine integrates the functions of drilling and core-drilling, leveling monitoring and drilling depth measurement, can save construction time, shorten construction period, conveniently and accurately control the drilling depth and verticality, and ensures construction precision.

(2) The soil core suction mechanism of the invention adopts the T-shaped operating rod with a telescopic structure, which can adapt to the operating requirements of the drill bit device in different stages of drilling and coring.

(3) The scale metering mechanism is arranged at the rear end of the drill bit, so that the end part of the measuring mechanism can be effectively prevented from directly contacting and rubbing with concrete on the premise of not influencing the measuring accuracy, and the service life of the measuring mechanism is prolonged.

(4) The construction method of the drill bit device based on the multifunctional core drilling machine can control the verticality of the drilled hole through the leveling mechanism; the hole forming depth can be known more visually by constructors through the scale metering mechanism; the concrete core is sucked by the soil core sucking mechanism, so that the soil core and the drill bit device are taken out together. The construction method can realize better control on the verticality and the depth of the drilled hole, prevent the adverse effect of the deviation of the drill bit on the construction and ensure the construction quality.

Drawings

FIG. 1 is a schematic view of the overall structure of a multifunctional core drilling and coring device provided by the invention;

FIG. 2 is a schematic view of the leveling mechanism of the present invention;

FIG. 3 is a schematic structural view of the soil core suction mechanism of the present invention;

fig. 4 is a schematic structural diagram of the scale metering mechanism of the present invention.

The soil core leveling device comprises a leveling mechanism 1, a universal leveling bubble 11, a soil core sucking mechanism 2, a sucker 21, an outer rod 22, an inner rod 23, a limiting marble 24, a limiting hole 25, a nut 26, a scale metering mechanism 3, a measuring ruler 31 and a drill bit 4.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

Example 1

Referring to fig. 1, the invention provides a drill bit device of a multifunctional drilling and core-taking machine, which comprises a drill bit, a level adjusting mechanism 1, a soil core sucking mechanism 2 and a scale metering mechanism 3, wherein the level adjusting mechanism 1 is arranged on the top wall of the drill bit, the soil core sucking mechanism 2 is arranged in the drill bit, the soil core sucking mechanism 2 comprises a T-shaped operating rod and a sucking disc 21 arranged at the lower end of the T-shaped operating rod, symmetrical vertical through grooves are formed in the side wall of the drill bit, two ends of a cross beam of the T-shaped operating rod penetrate through the through grooves and are fixed on the side wall of the drill bit through a locking mechanism, and the scale metering mechanism 3 is further arranged on the side wall of the drill bit.

When the drill bit device is used, firstly, drilling operation is completed to obtain a concrete core separated from a road surface; secondly, the T-shaped operating rod is controlled to slide downwards along the vertical through groove on the side wall of the drill bit, so that a sucker of the soil core sucking mechanism is driven to move downwards and suck the soil core; and finally, lifting the drill bit device, namely taking out the soil core and the drill bit device together. Compared with the conventional drilling device, the drilling device has the advantages of coring function, simple and convenient coring operation, construction time saving and construction efficiency improvement. Furthermore, the top wall of the drill bit is provided with a leveling mechanism for adjusting the verticality in the drilling process and avoiding the deviation of the drill bit; the side wall of the drill bit is provided with a scale metering mechanism, so that a constructor can conveniently and accurately master the drilling depth, and the drilling precision is ensured.

Referring to fig. 2, fig. 2 is a schematic view showing the structure of the leveling mechanism of the present invention, and the leveling mechanism 1 is a leveling bubble device including a universal leveling bubble 11 provided inside the top wall of the bit and a circular range mark adapted to the size of the bubble. The leveling mechanism is used for detecting whether the drilling surface is horizontal or not and detecting the inclination direction. Preferably, the leveling bubble device is calibrated prior to installation of the fixed drill bit.

Fig. 3 is a schematic structural view of the soil core sucking mechanism of the present invention, wherein a cross beam of a T-shaped operating rod of the soil core sucking mechanism 2 is a telescopic rod. Furthermore, the T-shaped operating rod beam comprises an outer rod 22 and two inner rods 23, one end of each inner rod 23 penetrates through the vertical through groove in the side wall of the drill bit, and the other end of each inner rod is embedded into one end of the outer rod 22. The outer rod 22 is provided with a plurality of limiting holes 25 at intervals along the horizontal direction, and the inner rod 23 is provided with limiting marbles 24.

Such setting can realize the regulation to T type action bars crossbeam length: when the T-shaped operating rod is required to be controlled to drive the sucker to press down or lift up, the length of the inner rod extending out of the side wall of the drill bit is prolonged by adjusting the position of the fixed connection between the inner rod and the outer rod, so that the T-shaped operating rod is more convenient to carry out handheld operation and saves more labor; and in the process of drilling and the operation of lifting the drill bit, the length of the inner rod extending out of the side wall of the drill bit is shortened by adjusting the position of the fixed connection of the inner rod and the outer rod, so that the locking and fixing of the soil core suction mechanism are facilitated, the mutual interference of the soil core suction mechanism and the drill bit in the moving process of the drill bit can be reduced, and the smooth completion of construction is ensured. Preferably, the left end and the right end of the outer rod are respectively provided with 2 limiting holes, and when the limiting marbles on the inner rod are clamped in a pair of limiting holes close to the center on the outer rod, the inner rod is in a shortened state; when the limiting marbles on the inner rod are clamped in a pair of limiting holes far away from the center on the outer rod, the inner rod is in an extending state. More preferably, the part that spacing marble card was located spacing hole is the hemisphere, when the length of needs internal rod was adjusted, can make spacing marble receive the extrusion effort and to the inside shrink of interior pole through the mode of pole in rotatory pole or the pole in the impetus, and then break away from spacing hole.

Furthermore, one end of the inner rod 23 far away from the outer rod is provided with a thread, and the locking mechanism is a nut 26. When the inner rod 23 is retracted, the inner rod can be fixed to the side wall of the drill bit by screwing nuts at both ends inwards to prevent the soil core suction mechanism 2 from sliding along the vertical through groove.

Referring to fig. 4, fig. 4 is a schematic structural diagram of the scale metering mechanism of the present invention, and the scale metering mechanism 3 may be a scale directly engraved on the side wall of the drill bit. Considering that the scale on the side wall of the drill is easy to wear and affect the reading of data in the case of long-term operation, it is preferable that the scale metering mechanism is a measuring tape 31 embedded in the side wall of the drill, and when the scale is worn, the old measuring tape 31 can be taken out and replaced with a new measuring tape. More preferably, the measuring tape 31 can be set to be two, and the symmetric distribution is in the both sides of drill bit lateral wall, and the constructor of being convenient for observes the drilling depth from different angles.

Further, the start scale of the measuring tape 31 is located at the upper edge of the drill bit 4. Preferably, the numerical value of the initial scale of the measuring tape 31 is the height of the drill bit, and the numerical value range is 5-10 cm. Above-mentioned setting is guaranteeing under the prerequisite of reading accuracy, makes the initial scale of measuring tape 31 keep away from the drill bit bottom, has avoided the drill bit to wear and tear the most serious condition when just contacting by the brill object, has prolonged measuring tape 31's life.

Furthermore, the inner diameter of the side wall of the drill bit is 5-30 cm, the maximum depth of a drilled hole is 50cm, and the diameter of the suction cup can be adjusted according to different diameters of the drill bit, so that the drill bit is mainly convenient to push and operate. Preferably, the diameter of the suction cup is set to be 2cm smaller than the inner diameter of the side wall of the drill. The site operation result shows that when the drill bit device of the multifunctional core drilling and coring machine is set to the parameters, the requirement for stable drilling can be better met, the drill sticking cannot be caused, and the concrete core can be smoothly taken out.

Example 2

The invention provides a construction method of a drill bit device of a multifunctional core drilling machine, which comprises the following steps:

s1, moving the T-shaped operating rod upwards to the highest point, and then locking and fixing;

s2, adjusting the drill bit device to be vertical by using the leveling mechanism 1;

s3, drilling, and stopping drilling when the drilling depth reaches the specified scale of the scale metering mechanism 3;

s4, the fixing of the soil core suction mechanism 2 is cancelled, and the T-shaped operating rod is moved downwards until the soil core is sucked by the suction disc 21;

s5, moving the T-shaped operating rod upwards to drive the soil core to move upwards to the highest position, and locking and fixing the T-shaped operating rod;

and S6, lifting the drill bit device, and taking out the soil core and the drill bit device together.

Preferably, in step S1, before the T-shaped operating rod is lifted, the locking mechanism is first loosened, and the limiting balls on the inner rod are adjusted to be clamped in the limiting holes on the outer rod far from the middle part, so that the two ends of the cross beam of the T-shaped operating rod extend out of the vertical through grooves on the side walls of the drill bit, thereby facilitating the hand-held operation of the constructor; when the sucking disc promotes to the highest point, rotate or on inwards promoting the interior pole hard, make spacing marble break away from spacing hole to the card is located the spacing hole that is close to the middle part on the outer pole, shortens the transverse connection pole, recycles locking mechanism and locks, prevents that the horizontal pole from causing the interference to subsequent drilling operation.

Preferably, in step S3, as the drilling operation progresses, the operator combines the readings on the gauges on both sides of the side wall of the drill bit to determine whether the drilling operation has reached a specified depth, and stops the drilling operation when the specified depth is reached.

Preferably, in step S4, the locking mechanism is first loosened to make the soil core suction mechanism in an active state, and the limiting balls on the adjusting inner rod are clamped in the limiting holes far from the middle part on the outer rod to make the two ends of the transverse connecting rod extend out of the vertical sliding grooves on the side wall of the drill bit, so that the constructor can perform a handheld operation. And pushing the two ends of the transverse connecting rod downwards to enable the soil core suction mechanism to move downwards along the vertical sliding grooves on the two sides of the side wall until the suction disc is contacted with the soil core, and continuously pressing the transverse connecting rod downwards until the suction disc sucks the soil core.

Preferably, in step S5, the T-shaped operating rod is lifted up to drive the soil core to move upward to the highest position, the inner rod is rotated or pushed inward with force to separate the limiting balls from the limiting holes, and the limiting balls are clamped in the limiting holes on the outer rod close to the middle part to shorten the transverse connecting rod, and then the locking mechanism is used for locking.

In order to further ensure the construction quality, the verticality of the drill bit device is adjusted at any time according to the display result of the leveling mechanism in the processes of drilling operation, soil core lifting operation and drill bit lifting operation.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. A drill bit device of a multifunctional drilling and core-taking machine is characterized by comprising a drill bit, a level adjusting mechanism (1), a soil core sucking mechanism (2) and a scale metering mechanism (3);

a leveling mechanism (1) is arranged on the top wall of the drill bit;

a soil core suction mechanism (2) is arranged inside the drill bit; the soil core suction mechanism (2) comprises a T-shaped operating rod and a suction disc (21) arranged at the lower end of the T-shaped operating rod; the lateral wall of the drill bit is provided with symmetrical vertical through grooves, and two ends of the T-shaped operating rod beam penetrate through the through grooves and are fixed on the lateral wall of the drill bit through a locking mechanism;

the side wall of the drill bit is also provided with a scale metering mechanism (3).

2. Multifunctional core drilling and coring bit device according to claim 1, characterized by the fact that the leveling mechanism (1) is a universal leveling bubble (11).

3. The multifunctional drill bit device for the core drilling and coring machine as claimed in claim 1, wherein the T-shaped operating rod beam of the soil core suction mechanism (2) is a telescopic rod.

4. Multifunctional core drilling and coring drill bit arrangement according to claim 3, characterized in that the T-shaped operating lever cross beam comprises an outer rod (22) and an inner rod (23); the outer rod (22) is provided with a limiting hole (25), and the inner rod (23) is provided with a limiting marble (24); the two inner rods (23) are nested into the outer rod (22).

5. Multifunctional core drilling and coring bit arrangement according to claim 4,

and one end of the inner rod (23) far away from the outer rod (22) is provided with threads, and the locking mechanism is a nut (26).

6. Multifunctional core drilling and coring drill bit device according to claim 1, characterized in that the graduated metering mechanism (3) is a measuring scale (31), the start scale of the measuring scale (31) being located at the upper edge of the drill bit blade (4).

7. The multifunctional drill bit device for the core drilling machine as claimed in claim 6, characterized in that the initial scale of the measuring ruler (31) has a value of the height of the drill bit, and the value range is 5-10 cm.

8. The multifunctional drill bit device for the core drilling and coring machine as claimed in claim 1, wherein the inner diameter of the side wall of the drill bit is 5-30 cm, and the maximum drilling depth is 50 cm.

9. A construction method based on the multifunctional core drilling and coring bit device of any one of claims 1-8, comprising the steps of:

s1, moving the T-shaped operating rod upwards to the highest point, and then locking and fixing;

s2, adjusting the drill bit device to be vertical by using the leveling mechanism (1);

s3, drilling, and stopping drilling when the drilling depth reaches the specified scale of the scale metering mechanism (3);

s4, the fixing of the soil core suction mechanism (2) is cancelled, and the T-shaped operating rod is moved downwards until the suction disc (21) sucks the concrete core;

s5, moving the T-shaped operating rod upwards to drive the concrete core to move upwards to the highest position, and locking and fixing the T-shaped operating rod;

and S6, lifting the drill bit device upwards, and taking out the concrete core together with the drill bit device.

10. The construction method according to claim 9, wherein the perpendicularity of the drill bit device is adjusted by the leveling mechanism (1) at a time in step S3.

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