CN211825125U - A geotechnical sample drilling device for geological exploration - Google Patents

Abstract

The utility model discloses a geotechnical sample drilling device for geological exploration, comprising a fixing frame, a driving motor, a rotation module, a locking module and an auger rod; the fixing frame comprises a casing arranged above 2. It is located on the bottom plate, the top of the casing is provided with a removable cover, a rotating module is arranged between the casing and the bottom plate, a locking module is arranged in the casing, and the bottom of one end of the casing passes through one side of the bottom plate. The first bracket is fixedly connected, the bottom of the other end of the casing and the other side of the base plate are fixedly connected through a second bracket, the drive motor is fixed on the bottom side of the base plate, and the output shaft of the drive motor drives the rotation module to rotate through the base plate, so The inside of the auger rod is sleeved with an inner sleeve for storing the sampling sample, the inner sleeve and the auger rod are coaxially arranged, and the auger rod sequentially penetrates the casing, the locking module in the casing, and the auger rod from top to bottom. Rotate the module, the base plate, and the end extends under the base plate. The drilling device can quickly enter and exit the sample, is easy to operate, saves manpower and material resources, and effectively improves work efficiency.

Description

A geotechnical sample drilling device for geological exploration

technical field

The utility model relates to the technical field of geological exploration equipment, in particular to a rock and soil sample drilling device used for geological exploration.

Background technique

Geological exploration is a scientific activity to conduct exploration, detection and research on geological soil through various methods. The analysis results of geological exploration play a major role in agriculture, science, mining and other fields, and geological exploration often requires soil sampling. The analysis and study of soil composition can determine the geological properties of the area. One of the most widely used exploration methods in "geological exploration" is drilling, that is, drilling holes in the stratum with a drilling rig to identify and divide the subsurface strata, and can drill along the hole. An exploration method for deep sampling, drill pipe is used in drilling. The drill pipe is a steel pipe with a rib at the end, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device at the bottom of the well. However, currently The commonly used soil borrowing tools have a drill pipe, a drill bit and a "T"-shaped handle. By manually rotating the handle, the soil borrowing drill is spirally pressed into the soil for sampling. After taking the sample, the drill is lifted by hand to obtain the sample. , it is time-consuming and labor-intensive, and the work efficiency is low, and most of the soil collection sites are designed with openings, which cannot accurately collect soil, thus affecting the soil sampling accuracy and ultimately affecting the research quality of geological exploration.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, the utility model provides a drilling device for geotechnical samples, the drilling device can quickly enter and exit samples, is easy to operate, saves manpower and material resources, and effectively improves work efficiency.

The purpose of this utility model is to realize through the following technical solutions:

A device for drilling geotechnical samples for geological exploration, comprising a fixing frame, a driving motor, a rotating module, a locking module, and an auger rod; the fixing frame comprises a casing arranged on the upper side and a bottom plate arranged on the lower side. The top of the casing is provided with a detachable cover, a rotating module is arranged between the casing and the bottom plate, a locking module is arranged in the casing, and the bottom of one end of the casing and one side of the bottom plate are fixedly connected by a first bracket , the bottom of the other end of the casing and the other side of the bottom plate are fixedly connected by a second bracket, the driving motor is fixed on the bottom side of the bottom plate, the output shaft of the driving motor passes through the bottom plate to drive the rotation module to rotate, and the inside of the auger rod The inner sleeve for storing the sampling sample is sleeved, and the inner sleeve and the auger rod are arranged coaxially, and the auger rod penetrates the casing, the locking module, the rotating module and the bottom plate in sequence from top to bottom. The ends extend below the base plate.

Further, the rotation module includes a driving gear and a driven gear, the output shaft of the driving motor is drivingly connected to the driving gear through the bottom plate, the driving gear is meshed with the driven gear, and the auger rod is arranged on the driven gear. at the center hole of the gear and closely fit with the side wall of the center hole of the driven gear, the auger rod rotates with the rotation of the driven gear.

Further, the locking module includes a locking motor, a lead screw, a ball nut, a locking front block, and a locking rear block. One end of the lead screw is connected to the output shaft of the locking motor, and the other end is connected to the locking front block. The ball nut is screwed on the lead screw, the two ends of the ball nut are respectively connected with the locking rear block through connecting rods, and the auger rod is arranged between the locking front block and the locking rear block , and is arranged in close contact with the locking front block and the locking rear block, and a wear-resistant rubber brake belt is provided at the contact point between the locking front block and the locking rear block and the auger rod. The locking motor drives the lead screw to rotate, the ball screw moves on the lead screw with the rotation of the lead screw, and the ball nut drives the rear block to move back and forth to lock and release the auger rod. The setting of the wear-resistant rubber brake belt , the stop of the auger rod can be realized quickly, and it can be easily replaced.

Further, the front and rear inner side walls of the housing are provided with clamping grooves, the connecting rod and the clamping groove are located on the same horizontal plane, the connecting rod is in the shape of an arc, the front end of the connecting rod is connected with a ball nut, and the end is connected with the ball nut. After locking the rear block, the middle part of the connecting rod is clamped in the slot and can slide along the slot, and the connecting rod moves horizontally in the slot driven by the ball nut. The setting of the card slot can provide linear motion for the connecting rod and the locking rear block, and limit the upward and downward movement of them to be offset.

Further, the bottom of the auger rod is provided with a screw rod head with a thick middle and two thin ends, and a pair of mutually symmetrical grooves are opened on the side wall of the auger rod, and the grooves are from the top of the auger rod to the bottom. extends above the screw head. The thick and thin screw heads in the middle have less resistance when entering and exiting the soil, and can quickly enter and exit the soil.

Further, the center hole of the driven gear is provided with a pair of bearing brackets symmetrical to each other and fixed to the side wall of the center hole of the driven gear. The installation positions of the bearing brackets correspond to the grooves. There is no less than one non-standard deep groove ball bearing on the wall, the outer wall of the non-standard deep groove ball bearing is closely fitted with the bottom of the groove of the side wall of the auger rod, and the upper and lower four corners of the bearing bracket are A deep groove ball bearing is installed, and the outer wall of the deep groove ball bearing is in close contact with the side wall of the screw groove. The arrangement of the deep groove ball bearing provides a rotational movement that does not limit the vertical movement of the auger rod, and the arrangement of the non-standard deep groove ball bearing can limit the horizontal displacement of the auger rod.

Further, a non-standard plane needle roller bearing concentric with the driven gear is provided on the upper and lower sides of the driven gear, and the two non-standard plane needle roller bearings are in contact with the driven gear, so The upper end surface of the above non-standard plane needle roller bearing is clamped to the bottom end of the housing, the lower end surface of the lower non-standard plane needle roller bearing is clamped in the bottom plate, the inner side wall of the second bracket is provided with a limit groove, the One end of the driven gear is arranged in the limiting slot, and the outer wall of the driven gear is in contact with the inner wall of the bottom of the limiting slot. There are non-standard plane needle roller bearings on the top and bottom of the driven gear, which can prevent the driven gear from shifting up and down. The side wall of the second bracket is provided with a limit groove, and one side of the driven gear is clamped in the limit groove, even if the driven gear is driven. When the gear rotates, the limit function of the limit slot effectively avoids the horizontal offset of the driven gear and ensures the effective meshing of the driving gear and the driven gear.

Further, the inner sleeve is composed of two semi-circular cylinders, which are symmetrically sleeved in the auger rod, the upper end of the inner sleeve is flush with the top end of the auger rod, and the lower end extends below the screw rod head, The top of the auger rod is provided with a detachable fixing cover, and the inner diameter of the auger rod where the inner sleeve is placed is slightly larger than the inner diameter of the auger head below the end of the inner sleeve. The setting of the fixed cover can prevent the inner sleeve from running out from the top of the auger rod. The inner diameter of the lower end of the screw rod head is small, so that the inner wall of the screw rod head forms a bottom support under the inner sleeve, so that the inner sleeve will not be in the screw rod. Vertical movement in the drill pipe.

Further, the lower end of the bearing bracket is provided with a detachable and replaceable cleaning brush. It is used to clean the soil in the groove of the auger rod, to ensure the smooth operation of the device, and it can be easily replaced.

Further, the bottom side wall of the screw rod head is provided with a through hole. When the soil of the inner sleeve is taken out from above, this through hole can leak the soil in the screw bit.

The beneficial effects of the utility model are as follows: through the setting of the locking module, the vertical movement of the auger rod can be controlled, and the quick stop can be realized; the setting of the rotation module can realize the rotation control of the auger rod and realize the function of drilling the soil, It is easy to operate and greatly saves manpower and material resources. The inner sleeve is composed of two semi-circular cylinders, which can simply and completely take out the sampling sample. The cooperation of the groove of the auger rod and the bearing bracket provides auxiliary power for the falling of the auger rod.

Description of drawings

1 is a schematic diagram of the three-dimensional structure of the present utility model;

Fig. 2 is the front view structure schematic diagram of the utility model without auger rod installed;

Fig. 3 is the structural representation of the rotating module of the present invention;

Figure 4 is a schematic structural diagram of a bearing bracket and a driven gear;

5 is a top view of the utility model without the upper cover of the casing installed;

6 is a schematic structural diagram of the locking module of the present invention;

Fig. 7 is the structural representation of the auger rod of the present utility model;

8 is a cross-sectional view of the screw rod head below the auger rod of the present utility model;

Figure 9 is a schematic view of the top structure of the auger rod of the present invention.

In the picture: 1- auger rod, 2- inner sleeve, 3- fixed cover, 4- cover body, 5- fixed frame, 6- drive motor, 7- driven gear, 8- driving gear, 9- bushing , 10-non-standard plane needle roller bearing, 11-locking rear block, 12-locking front block, 13-ball nut, 14-screw, 15-locking motor, 16-deep groove ball bearing, 17-non- Standard deep groove ball bearing, 18-bearing bracket, 19-cleaning brush, 20-groove, 21-limiting groove, 22-connecting rod, 23-through hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1, 2, 3, 6, and 9, a device for drilling geotechnical samples for geological exploration includes a fixing frame 5, a driving motor 6, a rotation module, a locking module, and an auger rod 1 ; The fixing frame includes a casing 51 located above and a bottom plate 52. The top of the casing 51 is provided with a removable cover 4, and a rotating module is arranged between the casing 51 and the bottom plate 52. The casing 51 is provided with a locking module, the bottom of one end of the casing 51 and one side of the bottom plate 52 are fixedly connected by a first bracket 53, the first bracket can be integrally formed with the bottom plate, so that the top of the first bracket and the bottom of the casing are fixedly connected, The bottom of the other end of the casing 51 and the other side of the bottom plate 52 are fixedly connected by a second bracket 54, the bottom of the first bracket 53 extends to the ground, the driving motor 6 is fixed on the bottom side of the bottom plate, and the driving motor 6 outputs The shaft passes through the bottom plate 52 to drive the rotation module to rotate. The inner sleeve 2 for storing the sampling sample is sleeved inside the auger rod 1. The inner sleeve and the auger rod are arranged coaxially. There is a screw rod head with a thick middle and two thin ends as shown in Figure 8, the side wall of the auger rod is provided with a pair of mutually symmetrical grooves 20, and the grooves 20 extend from the top of the auger rod to the bottom of the screw rod. above the head. The auger rod head with thick and thin ends in the middle has less resistance when entering and exiting the soil, and can quickly enter and exit the soil; the auger rod runs through the casing 51, the locking module in the casing, the rotating module, and the bottom plate 52 in sequence from top to bottom, and the end extends below the base plate.

As shown in FIG. 3 , the rotation module includes a driving gear 8 and a driven gear 7 . The output shaft of the driving motor 6 is connected with a bushing 9 to drive the driving gear 8 , and the driving gear 8 is meshed with the driven gear 7 . Connection, the auger rod 1 is arranged at the center hole of the driven gear 7 and closely fits with the side wall of the center hole of the driven gear 7 , and the auger rod 1 rotates with the rotation of the driven gear 7 .

As shown in FIG. 3 and FIG. 4 , a pair of bearing brackets 18 symmetrical to each other and fixed to the side wall of the center hole of the driven gear are arranged at the center hole of the driven gear. The installation position of the bearing bracket 18 is the same as the groove Corresponding to 20, two non-standard deep groove ball bearings 17 are arranged on the side wall of the bearing bracket, and the outer wall of the non-standard deep groove ball bearings 17 is closely fitted with the bottom of the groove 20 in the side wall of the auger rod. A deep groove ball bearing 16 is installed on the upper and lower four corners of the bearing bracket. The outer wall of the deep groove ball bearing 16 is closely fitted with the side wall of the screw groove 20. The lower end of the bearing bracket is provided with a removable and replaceable cleaning device. The brush 19 is used to clean the soil in the groove of the auger rod, which guarantees the smooth operation of the device and can be easily replaced; the setting of the deep groove ball bearing provides a rotary motion that does not limit the vertical movement of the auger rod, non-standard The arrangement of the deep groove ball bearing can limit the horizontal displacement of the auger rod. The upper and lower sides of the driven gear are respectively provided with a non-standard plane needle roller bearing 10 that is concentric with the driven gear. The diameter of the largest outer ring of the non-standard plane needle roller bearing 10 is smaller than the diameter of the outermost ring of the driven gear. Diameter, the two non-standard plane needle roller bearings 10 are in contact with the driven gear 7, the bottom end of the casing and the bottom plate are provided with openings that can be clamped to the non-standard plane needle roller bearings, the upper non-standard plane needle roller bearings The upper end surface of the standard plane needle roller bearing is clamped in the opening at the bottom end of the housing, the lower end surface of the non-standard plane needle roller bearing below is clamped in the opening of the bottom plate, and the inner side wall of the second bracket 54 is provided with a limit slot 21, One end of the driven gear is arranged in the limiting slot, and the outer wall of the driven gear is in contact with the inner wall of the bottom of the limiting slot. There are non-standard plane needle roller bearings on the top and bottom of the driven gear, which can prevent the driven gear from shifting up and down. The side wall of the second bracket is provided with a limit groove, and one side of the driven gear is clamped in the limit groove, even if the driven gear is driven. When the gear rotates, the limit function of the limit slot effectively avoids the horizontal offset of the driven gear and ensures the effective meshing of the driving gear and the driven gear.

As shown in Figures 5 and 6, the locking module includes a locking motor 15, a lead screw 14, a ball nut 13, a front locking block 12, and a locking rear block 11. One end of the lead screw 14 is connected to the locking motor The output shaft of 15 is connected, the other end is connected with the front locking block 12, the ball nut 13 is screwed on the lead screw 14, and the two ends of the ball nut 13 are respectively connected with the locking rear block 11 through the connecting rod 22. The auger rod 1 is arranged between the locking front block and the locking rear block, and is fitted with the locking front block and the locking rear block. The locking front block and the locking rear block are connected to the auger rod. There is a wear-resistant rubber brake belt at the contact point, the locking motor drives the lead screw to rotate, the ball screw moves on the lead screw with the rotation of the lead screw, and the ball nut drives the locking rear block to move back and forth to lock the auger rod. Tightening and releasing, the setting of the wear-resistant rubber brake belt can quickly realize the stop of the auger rod, and can be easily replaced; the front and rear inner side walls of the casing are provided with a clamping groove, and the connecting rod 22 and the clamping groove are located at the same position. On the same horizontal plane, the connecting rod is arc-shaped. The front end of the connecting rod 22 is connected to the ball nut 13, and the end is connected to the locking rear block 11. Sliding, the connecting rod moves horizontally in the slot under the drive of the ball nut. The setting of the card slot can provide linear motion for the connecting rod and the locking rear block, and limit the upward and downward movement of them to be offset.

As shown in Figures 7, 8 and 9, the inner sleeve 2 is composed of two semi-circular cylinders, which are symmetrically sleeved in the auger rod 1. The upper end of the inner sleeve 2 is connected to the top of the auger rod 1. Flush, the lower end extends below the screw rod head, the top of the auger rod is provided with a detachable fixed cover 3, and the inner diameter of the auger rod where the inner sleeve is placed is slightly larger than the screw below the end of the inner sleeve. The inner diameter of the rod head; the setting of the fixed cover can prevent the inner sleeve from running out from the top of the auger rod, and the inner diameter of the lower end of the screw rod head is small, so that the inner wall of the screw rod head forms a bottom support under the inner sleeve, so that the inner The sleeve will not move vertically in the auger rod; the side wall of the bottom of the auger head is provided with a through hole 23, when the soil in the inner sleeve is taken out from above, this through hole can drain the soil in the auger head Lose.

In specific use, when the locking module is in the locked state, fix the fixing frame on the ground, then the locking motor reversely rotates to loosen the auger rod, the auger rod falls to the ground by gravity, and then the driving motor starts to reverse The rotation is transmitted to the auger rod through the shaft sleeve, driving gear, driven gear and bearing bracket, and the auger rod is drilled into the soil through the screw rod head for sampling, and the soil will reach the inner hole through the middle round hole of the auger rod The depth tester installed on the sleeve and screw head can monitor the drilling depth in real time. After reaching the predetermined depth, the drive motor stops, and the locking motor quickly rotates forward to stop the auger rod, and then reversely rotates to loosen the auger rod. , and then drive the motor to rotate in the forward direction. Using the screw pair of the screw head, the auger rod will drill out of the soil to the surface, and then take out the inner sleeve from the auger rod, and separate the two semicircular cylinders to take out the sample, the soil sample Once the acquisition is completed, it is convenient for surveyors to inspect.

The above embodiments are only for the purpose of illustrating the present utility model, rather than limiting the present utility model. Those skilled in the relevant technical field can also make various transformations or modifications without departing from the spirit and scope of the present utility model. Therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.

Claims (10)

1. A device for drilling geotechnical samples for geological exploration, characterized in that it comprises a fixing frame, a drive motor, a rotating module, a locking module and an auger rod; the fixing frame comprises a casing arranged on the top The body is arranged on the bottom bottom plate, the top of the casing is provided with a detachable cover, a rotating module is arranged between the casing and the bottom plate, a locking module is arranged in the casing, and the bottom of one end of the casing is connected to one side of the bottom plate. The bottom of the other end of the casing and the other side of the base plate are fixedly connected by the first bracket, and the drive motor is fixed on the bottom side of the base plate, and the output shaft of the drive motor passes through the base plate to drive the rotation module to rotate, The auger rod is sleeved with an inner sleeve for storing sampling samples, the inner sleeve and the auger rod are coaxially arranged, and the auger rod penetrates the casing and the locking module in the casing in sequence from top to bottom. , Rotate the module, the base plate, and the end extends below the base plate. 2 . The device for drilling geotechnical samples for geological exploration according to claim 1 , wherein the rotation module comprises a driving gear and a driven gear, and the output shaft of the driving motor passes through the driving motor. 3 . The bottom plate is drivingly connected to the driving gear, the driving gear is meshed with the driven gear, the auger rod is arranged at the center hole of the driven gear, and closely fits with the side wall of the center hole of the driven gear, and the auger rod follows the The moving gear rotates and rotates. 3. The device for drilling geotechnical samples according to claim 1, wherein the locking module comprises a locking motor, a lead screw, a ball nut, a locking front block, For locking the rear block, one end of the lead screw is connected with the output shaft of the locking motor, and the other end is connected with the locking front block, the ball nut is screwed on the lead screw, and the two ends of the ball nut are respectively connected with the locking The rear block is fixedly connected by a connecting rod, and the auger rod is arranged between the locking front block and the locking rear block, and is fitted with the locking front block and the locking rear block. A wear-resistant rubber brake belt is provided at the contact point between the tight rear block and the auger rod. 4 . The device for drilling geotechnical samples for geological exploration according to claim 3 , wherein the front and rear inner side walls of the casing are provided with clamping grooves, and the connecting rod and the clamping groove are located at the position of the connecting rod and the clamping groove. On the same horizontal plane, the connecting rod is arc-shaped, the front end of the connecting rod is connected with the ball nut, and the end is connected with the locking rear block, and the middle part of the connecting rod is clamped in the slot and can slide along the slot, so The connecting rod moves horizontally in the slot under the drive of the ball nut. 5 . The device for drilling geotechnical samples for geological exploration according to claim 2 , wherein a screw head with a thick middle and two thin ends is provided below the auger rod, and the screw The side wall of the drill rod is provided with a pair of mutually symmetrical grooves, and the grooves extend from the top to the bottom of the auger rod to the top of the screw rod head. 6 . The device for drilling geotechnical samples for geological exploration according to claim 5 , wherein the center hole of the driven gear is provided with a pair of symmetrical with each other and the center hole of the driven gear. 7 . The bearing bracket fixed to the side wall, the installation position of the bearing bracket corresponds to the groove, the side wall of the bearing bracket is provided with not less than one non-standard deep groove ball bearing, the non-standard deep groove ball bearing The outer wall is in close contact with the bottom of the groove of the side wall of the auger rod, and deep groove ball bearings are installed on the upper and lower four corners of the bearing bracket, and the outer wall of the deep groove ball bearing is in close contact with the side wall of the screw groove. . 7 . The device for drilling geotechnical samples for geological exploration according to claim 2 , wherein the upper and lower parts of the driven gear are each provided with a non-standard non-standard gear that is concentric with the driven gear. 8 . Plane needle roller bearings, the two non-standard plane needle roller bearings are in contact with the driven gear, the upper end surface of the upper non-standard plane needle roller bearing is clamped to the bottom end of the housing, and the lower non-standard plane needle roller bearing The lower end surface of the needle roller bearing is clamped in the bottom plate, the inner side wall of the second bracket is provided with a limiting slot, one end of the driven gear is arranged in the limiting slot, and the outer wall of the driven gear is in contact with the inner wall of the bottom of the limiting slot. 8 . The device for drilling geotechnical samples for geological exploration according to claim 5 , wherein the inner sleeve is composed of two semicircular cylinders, which are symmetrically sleeved on the screw. 9 . In the drill rod, the upper end of the inner sleeve is flush with the top end of the auger rod, and the lower end extends below the screw rod head. The top of the auger rod is provided with a removable fixing cover, and the inner sleeve is placed in the auger rod. The inner hole diameter at the barrel is slightly larger than the inner hole diameter of the screw head below the end of the inner sleeve. 9 . The device for drilling geotechnical samples for geological exploration according to claim 6 , wherein the lower end of the bearing bracket is provided with a detachable and replaceable cleaning brush. 10 . 10 . The device for drilling geotechnical samples for geological exploration according to claim 5 , wherein the bottom side wall of the screw head is provided with a through hole. 11 .

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