Drilling rig for geotechnical applications with easy exchange

Abstract

A drilling rig for geotechnical applications with easy replacement, comprising a base (1), wherein a U-shaped frame (2) is fixedly mounted on the top of the base (1), a support plate (3) is arranged inside the U-shaped frame (2), a three-phase motor (4) is fixedly mounted on the top of the support plate (3), a shaft (5) is rotatably connected to the underside of the support plate (3), and the shaft (5) penetrates the support plate (3) and is rotatably connected to the three-phase motor (4), a drill shaft (6) is fixedly mounted on the underside of the shaft (5), sliding grooves (7) are uniformly recessed around the circumference inside the shaft (5), and locking blocks (8) are slidably connected in the sliding grooves (7), notches (9) which are click-fitted to the locking blocks (8) are uniformly recessed around the circumference of the drill shaft (6), and through holes are provided on the tops of the sliding grooves (7). (10) are omitted;and a turntable (12) is rotatably connected within the shaft (5), and arcuate grooves (13) are uniformly recessed on the upper surface of the turntable (12), connecting rods (11) are fixedly mounted on the upper surfaces of the detent blocks (8), and the connecting rods (11) penetrate the through holes (10) and are brought into appropriate contact with the arcuate grooves (13), a rotary groove (17) is recessed on the outer circumference of the shaft (5) and on one side of the turntable (12), and an adjusting rod (18) which penetrates the rotary groove (17) is fixedly mounted at one end of the turntable (12).

Description

Technical area

[0001] The present utility model relates to the technical field of drilling rigs for geotechnical applications, in particular it is a drilling rig for geotechnical applications with easy replacement. State of the art

[0002] Geotechnical investigations are the foundation for design and construction. If the investigations are inadequate, harmful geotechnical problems will emerge. Even if the design and execution of the upper structure are of high quality, damage cannot be avoided. Different types and sizes of construction projects will have varying degrees of impact on the geological environment. Conversely, different geological conditions can have different effects on the construction of facilities. Drilling equipment must be used during the construction process.

[0003] According to the publication under publication number CN211900461U, a drilling rig for geotechnical applications is disclosed, which solves the problem that conventional drilling rigs easily generate deviations during drilling after prolonged use, thus deteriorating the drilling result. It includes a base, and a frame is firmly mounted on top of the base. In this utility model, through the cooperation of locking rods, second sleeves, and spherical housings, etc., the rotating rod can be adjusted to ensure that it remains vertical and avoid excessive deviations during drilling. The cooperation of reciprocating motors and screws allows two reciprocating motors to be easily started.The two reciprocating motors drive two screws, and the two screws move a movable plate downward through a threaded guide, causing the drive motor to move downward along the movable plate. Meanwhile, the drive motor is started, and the rotating rod is rotated by the drive motor's output shaft, allowing the work to be performed. Operation is simple.

[0004] The above-mentioned device can adjust the rotating rod and ensure that the rotating rod always remains vertical during rotation. Since the rotating rod comes into direct contact with the rock during operation, the drill bit is most susceptible to damage and therefore requires replacement. Content of the utility model

[0005] The objective of the present utility model is to solve the problem by adjusting the rotating rod of the aforementioned device to ensure that the rotating rod always remains vertical during rotation. Since the rotating rod comes into direct contact with the rock during operation, the drill head is most susceptible to damage and therefore requires replacement. A drilling rig for geotechnical applications with easy replacement is provided.

[0006] To achieve the above goal, the present utility model offers the following technical solutions. A drilling rig for geotechnical applications with easy replacement comprises a base. A U-shaped frame is fixedly mounted on the top of the base, a support plate is arranged inside the U-shaped frame, a three-phase motor is fixedly mounted on the top of the support plate, a shaft is rotatably connected to the bottom of the support plate, and the shaft penetrates the support plate and is rotatably connected to the three-phase motor. A drill shaft is fixedly mounted on the bottom of the shaft. Sliding grooves are evenly cut out circumferentially within the shaft, and locking blocks are slidably connected in the sliding grooves. Notches are evenly cut out circumferentially on the outer circumference of the drill shaft, which are click-fastened to the locking blocks, and through holes are cut out on the top sides of the sliding grooves.and within the shaft, a turntable is rotatably connected, and arcuate grooves are evenly recessed on the top of the turntable, connecting rods are fixedly mounted on the tops of the detent blocks, and the connecting rods penetrate the through holes and are fitted into the arcuate grooves, a rotating groove is recessed on the outer circumference of the shaft and on one side of the turntable, and an adjusting rod penetrating the rotating groove is fixedly mounted on one end of the turntable.;

[0007] As a further possible solution of the present utility model: on the outer circumference of the shaft and directly above the rotary groove, limiting sockets are recessed, and the limiting sockets are recessed symmetrically on the outer circumference of the shaft, a connecting body is fixedly mounted on the tip of the adjusting rod, and at one end of the connecting body, a limiting rod is inserted through which is fastened with the limiting sockets in a pin-like manner.

[0008] As a further possible solution of the present utility model: within the sliding grooves, slideways are recessed along which the locking blocks can slide, and the slideways are recessed symmetrically in the sliding grooves, and at the two ends of the locking blocks, sliding jaws which are slidingly compatible with the slideways are symmetrically fixedly mounted.

[0009] As a further possible solution of the present utility model: return springs that return the locking blocks to their initial positions are firmly mounted in the slideways.

[0010] As a further possible solution of the present utility model: on the top of the U-shaped frame, a control cabin is fixedly mounted, on the top of the base, adjustable threaded spindles are symmetrically rotatably connected, and the adjustable threaded spindles penetrate the U-shaped frame and have passive bevel gears fixedly mounted with the control cabin, a two-shaft motor (22) is fixedly mounted inside the control cabin, and rotating shafts are symmetrically rotatably connected at the two ends of the two-shaft motor, active bevel gears (24) which mesh with the passive bevel gears (26) are fixedly mounted at the ends of the rotating shafts.

[0011] As a further possible solution of the present utility model: guide rods which guide the height adjustment of the support plate are permanently mounted on the top of the base, and the guide rods are permanently mounted symmetrically on the top of the base.

[0012] Compared to the existing technology, the present utility model has the following advantageous effects.

[0013] The rotation of the rotary disc sets the curved grooves in motion. As the curved grooves rotate with the rotary disc, the connecting rods connected to them are set in motion. At this moment, the locking blocks are retracted into the inner areas of the sliding grooves by the movement of the connecting rods along the slideways and with the help of the sliding jaws. Since the locking blocks are then no longer restricted by the notches on the outer circumference of the drill shaft, the drill shaft automatically falls out of the interior of the shaft. A new drill shaft can then be inserted into the shaft. Description of the attached drawings Fig. 1 is a diagram of an entire structure of the present utility model; Fig. 2 is a diagram of a local sectional structure of a shaft and a drill shank of the present utility model; Fig. Figure 3 is a scheme of a local enlarged structure at location A in Fig. 2 of the present utility model; Fig. 4 is a schematic diagram of a sectional structure of a U-shaped frame and a control cabin of the present utility model; Fig. Figure 5 is a scheme of a local enlarged structure at location B in Fig. 4 of the present utility model; and Fig. 6 is a diagram of a cutting structure at the tip of the shaft of the present utility model.

[0014] In the figures: 1-base; 2-U-shaped frame; 3-supporting plate; 4-three-phase motor; 5-shaft; 6-bore shaft; 7-sliding groove; 8-locking block; 9-notch; 10-through hole; 11-connecting rod; 12-rotating disc; 13-arc groove; 14-sliding track; 15-sliding shoe; 16-return spring; 17-rotating groove; 18-adjusting rod; 19-connecting body; 20-limiting socket; 21-limiting rod; 22-two-shaft motor; 23-rotating shaft; 24-active bevel gear; 25-adjusting threaded spindle; 26-passive bevel gear; 27-guide rod; and 28-control cabin. Examples of implementation

[0015] In the following, the technical solutions in the embodiments of the present utility model are described clearly and completely with reference to the figures in the embodiments of the present utility model. Obviously, the described embodiments represent only a part of the embodiments of the present utility model and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by a person skilled in the art without creative effort fall within the scope of protection of the present utility model.

[0016] In the description of the present utility model, it must be stated that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inside", "outside", etc., the location or position refer to the location or position with respect to the figures, only to enable the description of the present utility model and simplify the description, and do not indicate or suggest that the designated device or component must have a specific direction, be constructed and operated in a specific direction, therefore it cannot be understood as a limitation of the present utility model. Furthermore, the terms "first", "second" and "third" should be used only for descriptive purposes and should not be understood as an indication of relative importance.In the description of the present utility model, it must be stated that, unless otherwise expressly stated and defined, the terms "installation," "connected," "connection," and "setting" should be understood broadly. For example, they may be a fixed connection, a detachable connection, or a unitary connection; they may be a mechanical connection or an electrical connection; they may be directly connected or indirectly connected via a medium; they may be the internal connection of two components. For those of ordinary skill in the art, the specific meaning of these terms in the present utility model can be understood depending on the specific circumstances. The following describes the embodiments according to the overall structure of the present utility model.

[0017] With reference to the Fig. 1 to Fig. 5, a drilling rig for geotechnical applications with easy replacement in one embodiment of the present utility model comprises a base 1. A U-shaped frame 2 is fixedly mounted on the top side of the base 1, a support plate 3 is arranged inside the U-shaped frame 2, a three-phase motor 4 is fixedly mounted on the top side of the support plate 3, a shaft 5 is rotatably connected to the underside of the support plate 3, and the shaft 5 penetrates the support plate 3 and is rotatably connected to the three-phase motor 4, a drill shaft 6 is fixedly mounted on the underside of the shaft 5, sliding grooves 7 are evenly recessed around the inside of the shaft 5, and locking blocks 8 are slidably connected in the sliding grooves 7, notches 9, which are fastened to the locking blocks 8 in a click-like manner, are evenly recessed around the outside of the drill shaft 6, and through holes 10 are recessed on the top sides of the sliding grooves 7;and within the shaft 5, a turntable 12 is rotatably connected, and arcuate grooves 13 are evenly recessed on the top of the turntable 12, connecting rods 11 are fixedly mounted on the tops of the locking blocks 8, and the connecting rods 11 penetrate the through holes 10 and are fitted with the arcuate grooves 13, on the outer circumference of the shaft 5 and on one side of the turntable 12, a rotary groove 17 is recessed, and at one end of the turntable 12, an adjusting rod 18 penetrating the rotary groove 17 is fixedly mounted.;

[0018] By implementing this approach: the bottom surfaces of the detent blocks 8 are inclined, which allows the drill shaft 6 to press the detent blocks 8 into the inner regions of the slide grooves 7 when it is inserted into the shaft 5, the arc grooves 13 are designed centrally symmetrically on the top side of the rotary disk 12, when the notches 9 on the outer circumference of the drill shaft 6 are brought into the same positions as the detent blocks 8 by rotating, the detent blocks 8 are automatically jumped into the notches 9 by the return springs 16 in the inner regions of the slide ways 14, and the assembly is completed when a sound is heard.

[0019] With reference to the Fig. 1 to Fig. 5 limit sockets 20 are recessed on the outer circumference of the shaft 5 and directly above the rotary groove 17, and the limit sockets 20 are recessed symmetrically on the outer circumference of the shaft 5, at the tip of the adjusting rod 18 a connecting body 19 is fixedly mounted, and at one end of the connecting body 19 a limit rod 21 is pushed through, which is fastened with the limit sockets 20 in a pin-like manner.

[0020] By implementing this approach: with the help of the limit sockets 20 and the limit rod 21, the turntable 12 can be limited when the adjustment of the turntable 12 is completed, and the possibility of the turntable 12 accidentally rotating during the drilling work of the drill shaft 6 can be reduced.

[0021] With reference to the Fig. 1 to Fig. 5, slideways 14, along which the locking blocks 8 can slide, are recessed within the slide grooves 7. The slideways 14 are symmetrically recessed in the slide grooves 7. Slide jaws 15, which are slidingly compatible with the slideways 14, are symmetrically and firmly mounted at both ends of the locking blocks 8. Return springs 16, which return the locking blocks 8 to their original positions, are firmly mounted in the slideways 14.

[0022] By implementing this approach: with the help of the return springs 16, the locking blocks 8 can be automatically jumped into the notches 9 and fixed when the notches 9 and the locking blocks 8 are in the same positions.

[0023] With reference to the Fig. 1 to Fig.5, a control cabin 28 is fixedly mounted on the top of the U-shaped frame 2. Adjusting screw spindles 25 are symmetrically rotatably connected to the top of the base 1. The adjusting screw spindles 25 penetrate the U-shaped frame 2 and have passive bevel gears 26 fixedly mounted to the control cabin 28. A two-shaft motor 22 is fixedly mounted within the control cabin 28. Rotating shafts 23 are symmetrically rotatably connected to both ends of the two-shaft motor 22. Active bevel gears 24, which mesh with the passive bevel gears 26, are fixedly mounted to the ends of the rotating shafts 23. Guide rods 27, which guide the height adjustment of the support plate 3, are fixedly mounted to the top of the base 1. The guide rods 27 are fixedly mounted symmetrically to the top of the base 1.

[0024] By implementing this approach: during drilling work, the two-shaft motor 22 will rotate the rotating shafts 23, whereby the active bevel gears 24 are rotated and thus the meshing passive bevel gears 26 rotate and the adjustable thread spindles 25 are rotated, with the rotation of the adjustable thread spindles 25 the support plate 3 is raised or lowered, whereby the adjustable thread spindles 25 are screw-connected to the support plate 3.

[0025] The working principle of the present utility model is as follows. When the drill shaft 6 becomes worn due to excessive use and needs to be replaced, the operator first pulls the limit rod 21 out of the limit sockets 20 at the end of the shaft 5. The operator can then grasp the adjusting rod 18 and move the adjusting rod 18 in the rotating groove 17. When the adjusting rod 18 is moved, the rotating disc 12 in the shaft 5 is rotated. With the rotation of the rotating disc 12, the curved grooves 13 are set in motion. When the curved grooves 13 rotate with the rotating disc 12, the connecting rods 11 connected to them are set in motion. At this moment, the locking blocks 8 are retracted into the inner areas of the sliding grooves 7 by the movement of the connecting rods 11 along the slideways 14 and with the aid of the sliding jaws 15.Since the locking blocks are then no longer restricted in the notches on the outer circumference of the drill shaft 6, the drill shaft 6 automatically falls out from the interior of the shaft 5. A new drill shaft 6 can then be inserted into the shaft 5. When inserting, the drill shaft 6 must simply be inserted directly into the shaft 5. The drill shaft 6 will then press the locking blocks 8 and move the locking blocks 8 into the sliding grooves 7. Subsequently, the notches 9 on the outer circumference of the drill shaft 6 must be brought into the same plane as the locking blocks 8. At this moment, the locking blocks 8 are jumped into the notches 9 by the return springs 16 in the inner areas of the slideways 14 and the quick assembly and fixing is completed.

[0026] What has been described above is only the preferred specific implementation of the present utility model. However, the scope of protection of the present utility model is not limited to this. Any person skilled in the art who is familiar with the technical field and within the technical field disclosed by the present utility model, and who supplements the technical solution and the utility model concept of the present utility model with equivalent replacements or modifications, should be included within the scope of protection of the present utility model. QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] CN 211900461U

[0003]

Claims

[1] A drilling rig for geotechnical applications with easy exchange, comprising a base (1), wherein a U-shaped frame (2) is firmly mounted on the top side of the base (1), a support plate (3) is arranged inside the U-shaped frame (2), a three-phase motor (4) is firmly mounted on the top side of the support plate (3), a shaft (5) is rotatably connected to the underside of the support plate (3), and the shaft (5) penetrates the support plate (3) and is rotatably connected to the three-phase motor (4), a drill shaft (6) is firmly mounted on the underside of the shaft (5), sliding grooves (7) are evenly recessed around the shaft (5), and locking blocks (8) are slidably connected in the sliding grooves (7), notches (9) are evenly recessed around the outer circumference of the drill shaft (6), which are fastened to the locking blocks (8) in a click-like manner, and on the top sides of the sliding grooves (7) through holes (10) are recessed;and a rotary disk (12) is rotatably connected within the shaft (5), and arcuate grooves (13) are evenly recessed on the upper side of the rotary disk (12), connecting rods (11) are fixedly mounted on the upper sides of the locking blocks (8), and the connecting rods (11) penetrate the through holes (10) and are brought into fitting connection with the arcuate grooves (13), a rotary groove (17) is recessed on the outer circumference of the shaft (5) and on one side of the rotary disk (12), and an adjusting rod (18) which penetrates the rotary groove (17) is fixedly mounted on one end of the rotary disk (12); [2] The drilling rig for geotechnical applications with easy replacement according to claim 1, wherein limit sockets (20) are recessed on the outer circumference of the shaft (5) and directly above the rotary groove (17), and the limit sockets (20) are recessed symmetrically on the outer circumference of the shaft (5), a connecting body (19) is fixedly mounted on the tip of the adjusting rod (18), and a limit rod (21) is inserted through one end of the connecting body (19) and is fastened with the limit sockets (20) in a pin-like manner. [3] The drilling rig for geotechnical applications with easy replacement according to claim 1, wherein slideways (14) along which the locking blocks (8) can slide are recessed within the slide grooves (7), and the slideways (14) are symmetrically recessed in the slide grooves (7), and sliding jaws (15) which are slidably compatible with the slideways (14) are symmetrically fixedly mounted on the two ends of the locking blocks (8). [4] The drilling rig for geotechnical applications with easy replacement according to claim 3, wherein return springs (16) which return the locking blocks (8) to the starting positions are fixedly mounted in the slideways (14). [5] The drilling rig for geotechnical applications with easy replacement according to claim 1, wherein a control cabin (28) is fixedly mounted on the top of the U-shaped frame (2), adjustable threaded spindles (25) are symmetrically rotatably connected to the top of the base (1), and the adjustable threaded spindles (25) penetrate the U-shaped frame (2) and have passive bevel gears (26) fixedly mounted to the control cabin (28), a two-shaft motor (22) is fixedly mounted inside the control cabin (28), and rotating shafts (23) are symmetrically rotatably connected to the two ends of the two-shaft motor (22), active bevel gears (24) meshing with the passive bevel gears (26) are fixedly mounted to the ends of the rotating shafts (23). [6] The drilling rig for geotechnical applications with easy replacement according to claim 1, wherein guide rods (27) which guide the height adjustment of the support plate (3) are fixedly mounted on the upper side of the base (1), and the guide rods (27) are fixedly mounted symmetrically on the upper side of the base (1).

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