CN220929273U - Soil exploration drilling device with drill bit overload protection function - Google Patents

Abstract

The utility model discloses a soil exploration drilling device with a drill bit overload protection function, and relates to the technical field of mining machinery equipment. The utility model comprises an outer protective box and a rotating rod arranged below the outer protective box; an output shaft is coaxially arranged above the rotating rod, the lower end of the output shaft is detachably connected with the upper end of the rotating rod, the upper end of the output shaft is fixedly connected with an output fluted disc, the upper end of the output fluted disc is coaxially provided with an input fluted disc, one sides of the output fluted disc and the input fluted disc are respectively meshed with a transmission fluted disc, and the two transmission fluted discs are fixedly connected through a transmission shaft; and a detection hole is eccentrically formed in the top surface of the output fluted disc, and a ranging sensor is fixedly arranged on the bottom surface of the expansion plate above the rotation track surface of the detection hole. The utility model can quickly move to lose the drive of the rotating rod under the overload condition, thereby protecting the driving rod, and simultaneously, the device is more reasonable to assemble and can effectively prolong the service life.

Description

Soil exploration drilling device with drill bit overload protection function

Technical Field

The utility model belongs to the technical field of mining machinery equipment, and particularly relates to a soil exploration drilling device with a drill bit overload protection function.

Background

Soil investigation is investigation and research work performed on basic conditions such as the type, the property, the resource distribution, the formation condition and the like of soil, and can provide a series of information data of soil for people so as to facilitate the targeted processing of staff, for example, the investigation of mines is a common field of the existing soil investigation;

Soil investigation generally requires a drilling machine to drill and sample, when the soil is dense or has high viscosity, the resistance of the drill bit is high, and even exceeds the rotating force provided by rated torque of the drill bit, meanwhile, a certain amount of hard rock in the soil easily damages the drill bit, and the drill rod is bent and deformed when the rock contacts with the drill rod; in addition, in order to be convenient for outdoor use and carry, the existing drilling machine and the drill rod are disassembled and carried, and can be assembled in a spiral matching mode when in use, the problem of slipping or wire loss can occur in the spiral matching mode after overload or long-time use occurs in the matching mode, so that the service life is reduced, and meanwhile, the problem of easy detachment occurs when the drill rod reversely rotates because the spiral matching is unilaterally fixed; therefore, we provide a soil exploration drilling device with the function of bit overload protection, which is used for solving the problems.

Disclosure of utility model

The utility model aims to provide a soil exploration drilling device with a drill bit overload protection function and good assembly effect, and solves the problems that the existing soil exploration drilling device is damaged due to overload and has poor assembly and use effects in actual use.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a soil exploration drilling device with a drill bit overload protection function, which comprises an outer protective box and a rotating rod arranged below the outer protective box; an output shaft is coaxially arranged above the rotating rod, the lower end of the output shaft is detachably connected with the upper end of the rotating rod, the output shaft is rotationally connected with the bottom plate of the outer protective box through a rolling bearing, the upper end of the output shaft is fixedly connected with an output fluted disc, the upper end of the output fluted disc is coaxially provided with an input fluted disc, one sides of the output fluted disc and the input fluted disc are respectively meshed with a transmission fluted disc, the two transmission fluted discs are fixedly connected through a transmission shaft, and the transmission shaft is rotationally connected with the expansion plate through a rolling bearing; one end of the expansion plate extends to the upper part of the output fluted disc, meanwhile, the other end of the expansion plate is matched with the inner side of the U-shaped frame, an adsorption plate is fixedly arranged on the top surface of the opening end of the U-shaped frame, an electromagnetic plate is fixedly embedded in the adsorption plate, a matching block is fixedly arranged on the top surface of the end part of the expansion plate matched with the inner side of the U-shaped frame, and the matching block is fixedly connected with the inner wall of the closed end of the U-shaped frame through a spring; and a detection hole is eccentrically formed in the top surface of the output fluted disc, and a ranging sensor is fixedly arranged on the bottom surface of the expansion plate above the rotation track surface of the detection hole.

The utility model is further provided that an input shaft is fixedly arranged on the top surface of the input fluted disc, the other end of the input shaft penetrates through the outer protective case in a sliding way to extend to the upper part of the outer protective case to be embedded in the output end of the motor, and the motor is fixedly connected to the top surface of the outer protective case.

The utility model is further arranged that the two sides of the expansion plate are fixedly provided with sliding strips along the horizontal direction, the inner wall of the U-shaped frame is provided with a sliding groove for clearance fit of the sliding strips, and the closed end of the U-shaped frame is fixedly connected to the inner side wall of the outer protective box through bolts.

The utility model is further characterized in that a guide post is arranged on the inner side of the spring, one end of the guide post is fixedly connected to the closed end of the U-shaped frame, and one end of the expansion plate is provided with a guide groove for clearance fit of the guide post.

The utility model is further characterized in that a storage battery is fixedly arranged on the inner bottom surface of the outer protective box, a controller and an electric connection port are arranged on one outer side surface of the outer protective box, the electric connection port is electrically connected with the input end of the storage battery through a conducting wire, and the controller is electrically connected with the storage battery, the motor, the distance measuring sensor and the electromagnetic plate through conducting wires respectively.

The utility model is further provided with lifting armrests symmetrically and fixedly arranged on the two outer side surfaces of the outer protective case.

The utility model is further provided that the lower end of the rotating rod is fixedly provided with a drilling head, and the outer side wall of the rotating rod is fixedly provided with a spiral blade.

The utility model is further provided with a connecting sleeve fixedly arranged on the bottom surface of the output shaft, a screw column fixedly arranged on the top surface of the rotating rod, and an inner thread for screw matching of the screw column arranged on the inner wall of the connecting sleeve; blind holes are formed in the top surface of the rotating rod on the outer side of the screw column along the circumferential direction, through holes are formed in the connecting sleeve coaxially with the blind holes, the blind holes and the through holes are matched and fixed through inserting rods, a plurality of inserting rods are fixedly connected to the bottom surface of the same connecting ring, and the connecting ring is fixedly connected to the top surface of the connecting sleeve through bolts.

The utility model has the following beneficial effects:

1. When the device is used, the rotation speed of the output fluted disc can be detected through the detection holes monitored by the ranging sensor, and when the rotation speed of the output fluted disc is lower than a preset value due to soil viscosity or blocking in the drilling process, the controller can control the electromagnetic plate to be powered off, so that the electromagnetic plate loses magnetic adsorption to the matching block, and under the action of spring reset, the telescopic plate can drive the two transmission fluted discs to be separated from the output fluted disc and the input fluted disc respectively, so that the rotation of the output shaft is stopped, the rotating rod and the drilling head are effectively protected, and the service life of the device is prolonged.

2. When the screw rod is in use, after the screw rod is in screw fit with the connecting sleeve, a worker inserts the inserting rod into the through hole and the blind hole respectively, then the connecting ring is fixed on the top surface of the connecting sleeve, and the limiting mode can realize the limiting between the rotating rod and the connecting sleeve without excessive engagement between the screw rod and the connecting sleeve, and meanwhile, the positive and negative effective rotation of the rotating rod can be realized, so that the labor intensity of the worker can be reduced while the device is protected, and the whole practicability is good.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

Fig. 1 is a schematic structural view of a soil exploration drilling apparatus with bit overload protection.

Fig. 2 is a cross-sectional view of the structure of fig. 1 in a vertical direction.

Fig. 3 is an exploded view of the structure of fig. 1.

Fig. 4 is a bottom view of the structure of fig. 3.

Fig. 5 is a schematic view of the fit of the expansion plate and the U-shaped frame.

Fig. 6 is a view of the telescoping plates and U-shaped frames to be mated.

In the drawings, the list of components represented by the various numbers is as follows:

1. An outer protective case; 2. a rotating lever; 3. an output shaft; 4. a transmission shaft; 5. an input fluted disc; 6. a telescoping plate; 7. a U-shaped frame; 101. lifting the armrests; 102. a controller; 103. an electrical connection port; 104. a storage battery; 201. spiral leaves; 202. a drill head; 203. a screw column; 204. a blind hole; 301. an output fluted disc; 302. connecting sleeves; 303. a connecting ring; 401. a transmission fluted disc; 501. an input shaft; 502. a motor; 601. a ranging sensor; 602. a sliding bar; 603. a mating block; 701. a sliding groove; 702. an adsorption plate; 703. a guide post; 3011. a detection hole; 3021. a through hole; 3022. an internal thread; 3031. a rod; 6031. a guide groove; 7021. an electromagnetic plate; 7031. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Detailed description of the preferred embodiments

Referring to fig. 1, 2, 3 and 4, the utility model relates to a soil exploration drilling device with a bit overload protection function, which comprises an outer protective box 1 and a rotating rod 2 arranged below the outer protective box 1, wherein a drilling head 202 is fixedly arranged at the lower end of the rotating rod 2, a spiral blade 201 is fixedly arranged on the outer side wall of the rotating rod 2, the rotating rod 2 is driven to rotate through a driving mechanism in the outer protective box 1, the drilling head 202 is used for drilling into soil, and the spiral blade 201 can discharge the soil;

Specifically, an output shaft 3 is coaxially arranged above the rotating rod 2, the lower end of the output shaft 3 is detachably connected with the upper end of the rotating rod 2, the output shaft 3 is rotationally connected with the bottom plate of the outer protective box 1 through a rolling bearing, the upper end of the output shaft 3 is fixedly connected with an output fluted disc 301, the upper end of the output fluted disc 301 is coaxially provided with an input fluted disc 5, one sides of the output fluted disc 301 and the input fluted disc 5 are respectively meshed with a transmission fluted disc 401, the two transmission fluted discs 401 are fixedly connected through a transmission shaft 4, the transmission shaft 4 is rotationally connected with a telescopic plate 6 through a rolling bearing, an input shaft 501 is fixedly arranged on the top surface of the input fluted disc 5, the other end of the input shaft 501 slides through the outer protective box 1 to extend to the upper side of the outer protective box 1 and is embedded in the output end of a motor 502, and the motor 502 is fixedly connected to the top surface of the outer protective box 1;

When the device is used, the input shaft 501 can drive the input fluted disc 5 to rotate through the work of the motor 502, and the input fluted disc 5 and the output fluted disc 301 are respectively meshed with the two transmission fluted discs 401, so that the output fluted disc 301 can rotate under the work of the motor 502, and finally the output shaft 3 drives the rotating rod 2 to rotate, so that soil exploration is realized.

As shown in fig. 2, 3 and 6, the top surface of the output fluted disc 301 is eccentrically provided with a detection hole 3011, the bottom surface of the expansion plate 6 above the rotation track surface of the detection hole 3011 is fixedly provided with a ranging sensor 601, when the device is in use, the detection hole 3011 can be driven to rotate by the rotation of the output fluted disc 301, and the ranging sensor 601 can count according to the change of the surface condition of the output fluted disc 301, so as to realize the time of one circle of rotation of the output fluted disc 301, so as to determine whether the overload problem exists.

As shown in fig. 5 and 6, one end of the expansion plate 6 extends above the output fluted disc 301, meanwhile, the other end of the expansion plate 6 is matched with the inner side of the U-shaped frame 7, an adsorption plate 702 is fixedly arranged on the top surface of the opening end of the U-shaped frame 7, an electromagnetic plate 7021 is fixedly embedded in the adsorption plate 702, a matching block 603 is fixedly arranged on the top surface of the end part of the expansion plate 6 matched with the inner side of the U-shaped frame 7, and the matching block 603 is fixedly connected with the inner wall of the closed end of the U-shaped frame 7 through a spring 7031;

When the distance measuring sensor 601 detects that the rotation efficiency of the output fluted disc 301 is reduced below the preset value, the electromagnetic plate 7021 is controlled to be powered off so as to lose the magnetic adsorption to the matching block 603, and thus, the spring 7031 drives the matching block 603 to be separated from the adsorption plate 702, and finally, the telescopic plate 6 drives the transmission fluted disc 401 to transversely move, and the meshing with the input fluted disc 5 and the output fluted disc 301 is respectively lost, so that the protection under the overload condition is realized.

Further, both sides of the expansion plate 6 are fixedly provided with sliding strips 602 along the horizontal direction, the inner wall of the U-shaped frame 7 is provided with a sliding groove 701 for clearance fit of the sliding strips 602, the closed end of the U-shaped frame 7 is fixedly connected to the inner side wall of the outer protective case 1 through bolts, and the arrangement can play a role in limiting and guiding the movement of the expansion plate 6.

Further, the inside of spring 7031 is provided with guide post 703, and the one end fixed connection of guide post 703 is on the closed end of U-shaped frame 7, and guide slot 6031 that is used for guide post 703 clearance fit is seted up to the one end of expansion plate 6, and this setting can play the effect of design to spring 7031 to avoid expansion plate 6 to appear the deformation of spring 7031 when removing.

Second embodiment

Referring to fig. 1 and 2, on the basis of the first embodiment, control and power supply to each electrical element in the device are described in detail, so that the device can be conveniently and better implemented.

Specifically, a storage battery 104 is fixedly arranged on the inner bottom surface of the outer protective case 1, a controller 102 and an electric connection port 103 are arranged on one outer side surface of the outer protective case 1, the electric connection port 103 is externally connected with a power supply to charge, the electric connection port 103 is electrically connected with the input end of the storage battery 104 through a conducting wire, and the controller 102 is electrically connected with the storage battery 104, a motor 502, a distance measuring sensor 601 and an electromagnetic plate 7021 respectively through the conducting wire;

The two outer side surfaces of the outer protective case 1 are symmetrically and fixedly provided with lifting armrests 101 so as to facilitate the lifting of the device when a worker uses the device;

When the electric power meter is used, the storage battery 104 is used for supplying power to the motor 502, the distance measuring sensor 601 and the electromagnetic plate 7021, the electric connection port 103 is used for charging the storage battery 104, and the controller 102 is used for controlling the operation of each electric element.

Detailed description of the preferred embodiments

Referring to fig. 3 and 4, on the basis of the first embodiment or the second embodiment, a detachable connection structure between the rotating rod 2 and the output shaft 3 is described in detail, so as to facilitate better implementation of the device.

Specifically, a connecting sleeve 302 is fixedly arranged on the bottom surface of the output shaft 3, a screw column 203 is fixedly arranged on the top surface of the rotating rod 2, and an internal thread 3022 for screw fit of the screw column 203 is arranged on the inner wall of the connecting sleeve 302 so as to realize preliminary fit connection between the rotating rod 2 and the output shaft 3;

Blind holes 204 are formed in the top surface of the rotating rod 2 outside the screw column 203 along the circumferential direction, through holes 3021 are formed in the connecting sleeve 302 coaxially with the blind holes 204, the blind holes 204 and the through holes 3021 are matched and fixed through inserted rods 3031, a plurality of inserted rods 3031 are fixedly connected to the bottom surface of the same connecting ring 303, and the connecting ring 303 is fixedly connected to the top surface of the connecting sleeve 302 through bolts;

When the rotary rod 2 and the output shaft 3 are matched, a worker inserts the insert rod 3031 between the aligned blind hole 204 and the through hole 3021, and finally fixedly connects the connecting ring 303 on the top surface of the connecting sleeve 302, thereby realizing the limit fixation between the rotary rod 2 and the output shaft 3.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (8)

1. The soil exploration drilling device with the bit overload protection function comprises an outer protective box (1) and a rotating rod (2) arranged below the outer protective box (1); the method is characterized in that: an output shaft (3) is coaxially arranged above the rotating rod (2), the lower end of the output shaft (3) is detachably connected with the upper end of the rotating rod (2), the output shaft (3) is rotationally connected with the bottom plate of the outer protective box (1) through a rolling bearing, the upper end of the output shaft (3) is fixedly connected with an output fluted disc (301), the upper end of the output fluted disc (301) is coaxially provided with an input fluted disc (5), one sides of the output fluted disc (301) and the input fluted disc (5) are respectively meshed with a transmission fluted disc (401), the two transmission fluted discs (401) are fixedly connected through a transmission shaft (4), and the transmission shaft (4) is rotationally connected with a telescopic plate (6) through a rolling bearing;

One end of the expansion plate (6) extends to the upper part of the output fluted disc (301), meanwhile, the other end of the expansion plate (6) is matched with the inner side of the U-shaped frame (7), an adsorption plate (702) is fixedly arranged on the top surface of the opening end of the U-shaped frame (7), an electromagnetic plate (7021) is fixedly embedded in the adsorption plate (702), a matching block (603) is fixedly arranged on the top surface of the end part of the expansion plate (6) matched with the inner side of the U-shaped frame (7), and the matching block (603) is fixedly connected with the inner wall of the closed end of the U-shaped frame (7) through a spring (7031);

A detection hole (3011) is eccentrically formed in the top surface of the output fluted disc (301), and a ranging sensor (601) is fixedly arranged on the bottom surface of the expansion plate (6) above the rotation track surface of the detection hole (3011).

2. The soil exploration drilling device with the bit overload protection function according to claim 1, wherein an input shaft (501) is fixedly arranged on the top surface of an input fluted disc (5), the other end of the input shaft (501) penetrates through the outer protective case (1) in a sliding mode to extend to the position above the outer protective case (1) to be embedded into the output end of the motor (502), and the motor (502) is fixedly connected to the top surface of the outer protective case (1).

3. The soil exploration drilling device with the drill bit overload protection function according to claim 1, wherein sliding strips (602) are fixedly arranged on two sides of the telescopic plate (6) along the horizontal direction, sliding grooves (701) for clearance fit of the sliding strips (602) are formed in the inner wall of the U-shaped frame (7), and the closed end of the U-shaped frame (7) is fixedly connected to the inner wall of the outer protective box (1) through bolts.

4. A soil exploration drilling device with bit overload protection function according to claim 3, characterized in that the inner side of the spring (7031) is provided with a guide post (703), one end of the guide post (703) is fixedly connected to the closed end of the U-shaped frame (7), and one end of the expansion plate (6) is provided with a guide groove (6031) for clearance fit of the guide post (703).

5. The soil exploration drilling device with the bit overload protection function according to claim 2, wherein a storage battery (104) is fixedly arranged on the inner bottom surface of the outer protective case (1), a controller (102) and an electric connection port (103) are arranged on one outer side surface of the outer protective case (1), the electric connection port (103) is electrically connected with the input end of the storage battery (104) through a conducting wire, and the controller (102) is electrically connected with the storage battery (104), a motor (502), a ranging sensor (601) and an electromagnetic plate (7021) through the conducting wire.

6. The soil exploration drilling device with the drill bit overload protection function according to claim 5, wherein lifting handrails (101) are symmetrically and fixedly arranged on two outer side surfaces of the outer protective case (1).

7. The soil exploration drilling device with the bit overload protection function according to claim 1, wherein a drilling head (202) is fixedly arranged at the lower end of the rotating rod (2), and spiral blades (201) are fixedly arranged on the outer side wall of the rotating rod (2).

8. The soil exploration drilling device with the bit overload protection function according to claim 1, 2, 4, 6 or 7 is characterized in that a connecting sleeve (302) is fixedly arranged on the bottom surface of an output shaft (3), a screw post (203) is fixedly arranged on the top surface of a rotating rod (2), and an inner thread (3022) for screw matching of the screw post (203) is arranged on the inner wall of the connecting sleeve (302);

Blind holes (204) are formed in the top surface of a rotating rod (2) on the outer side of a screw column (203) along the circumferential direction, through holes (3021) are formed in a connecting sleeve (302) coaxially with the blind holes (204), the blind holes (204) and the through holes (3021) are fixedly matched through inserted rods (3031), a plurality of inserted rods (3031) are fixedly connected to the bottom surface of the same connecting ring (303), and the connecting ring (303) is fixedly connected to the top surface of the connecting sleeve (302) through bolts.