CN110714733B

CN110714733B - Drilling machine and drilling machine with locking structure

Info

Publication number: CN110714733B
Application number: CN201911067864.4A
Authority: CN
Inventors: 徐玉蓉
Original assignee: Zhejiang Industry Polytechnic College
Current assignee: Zhejiang Industry Polytechnic College
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2021-09-03
Anticipated expiration: 2039-11-04
Also published as: CN110714733A

Abstract

The invention provides a drilling machine and a drilling machine with a locking structure, and belongs to the field of drilling equipment. The drilling apparatus includes a locking assembly, a drill rod assembly, and a drive device. Wherein the locking assembly comprises a first locking ring and a second locking ring, and the drill rod assembly comprises a drill rod body, a core barrel and a drill bit. When the sampling stage, first locking ring and second locking ring are fixed with first body and second body earlier, and first body and second body connect into whole, then are connected with drilling rod body and drill bit and can carry out the drilling operation. After drilling is completed, the drill rod assembly is put forward, the core tube is taken down and directly conveyed to an indoor laboratory as a sample storage tube, the outer wall of the drill rod assembly does not need to be knocked to enable the soil sample to fall off, and interference of the soil sample obtaining process on the soil sample is reduced.

Description

Drilling machine and drilling machine with locking structure

Technical Field

The application relates to the field of drilling equipment, in particular to a drilling machine and a drilling machine with a locking structure.

Background

At present, when a traditional handheld drilling machine samples soil, construction operation is generally carried out in an open area. The soil body is sampled in the drilling process, when the drill rod is lifted out of a drilled hole, the outer wall of the drill rod needs to be knocked, so that the soil sample falls off from the drill rod, and then the soil sample is placed into a PVC pipe for storage and then is transported to an indoor laboratory. The disturbance to the soil body is large in the process of knocking the outer wall of the drill rod, so that the structure of the soil body is changed, and therefore, the test parameters obtained through an indoor test have deviation with original soil.

Disclosure of Invention

The embodiment of the invention provides a drilling machine and a drilling machine with a locking structure, and aims to obtain undisturbed soil and reduce interference of a soil sample obtaining process on the soil sample.

In a first aspect, the present application provides a drilling rig comprising a locking assembly, a drill rod assembly, and a drive arrangement.

Wherein the locking assembly comprises a first locking ring and a second locking ring.

The drilling rod subassembly includes drilling rod body, core pipe and drill bit, the both ends of core pipe respectively with the drilling rod body with drill bit threaded connection, the core pipe include first body and with the second body that first body set up relatively, first body with the second body encloses and forms the core chamber, first lock ring set up in the drilling rod body with between the core pipe just first lock ring cover is located the outer wall of core pipe, the second lock ring set up in between the core pipe with just the second lock ring cover is located between the drill bit the outer wall of core pipe.

The drive device is configured to be in driving connection with the drill rod body.

In a specific embodiment, the driving device comprises a shell, a motor and a handle, the handle is connected with the shell, the motor is arranged in the shell, and a power output end of the motor penetrates through the shell to be in transmission connection with the drill rod body.

In a specific embodiment, the housing is provided with heat dissipation holes.

In a specific embodiment, the heat dissipation holes are strip-shaped holes.

In a particular embodiment, the first locking ring is threadedly connected to the core barrel.

In a particular embodiment, the second locking ring is threadedly connected to the core barrel.

In a second aspect, the present application provides a drill having a locking structure that includes a locking assembly, a drill rod assembly, a drive device, a lift assembly, and a buckle assembly.

The locking assembly includes a first locking ring and a second locking ring.

The drilling rod subassembly includes drilling rod body, core pipe and drill bit, the both ends of core pipe respectively with the drilling rod body with drill bit threaded connection, keeping away from of drilling rod body the one end of drill bit is provided with the spacing groove, the core pipe include first body and with the relative second body that sets up of first body, first body with the second body encloses and forms the core chamber, first lock ring set up in the drilling rod body with between the core pipe just first lock ring cover is located the outer wall of core pipe, the second lock ring set up in the core pipe with between the drill bit just second lock ring cover is located the outer wall of core pipe.

The driving device comprises a shell and a motor, wherein the motor is arranged in the shell, a partition plate is arranged in the shell, the partition plate and the shell form a containing cavity, and the partition plate is provided with a sliding groove.

The lifting assembly comprises a lifting plate and a poking block, the poking block is connected with the lifting plate, the poking block is arranged outside the shell, the lifting plate is contained in the containing cavity and is in sliding connection with the sliding groove, and the poking block can slide along the side wall of the shell so that the lifting plate can slide relative to the sliding groove.

The clamping and buckling component comprises a connecting piece and a clamping and buckling piece, the connecting piece is connected with the lifting plate, and the poking block can drive the lifting plate to slide so that the clamping and buckling piece enters or is far away from the limiting groove.

In a particular embodiment, the drive device further comprises a handle, the handle being connected to the housing.

In a specific embodiment, the housing is provided with heat dissipation holes.

In a specific embodiment, the heat dissipation holes are strip-shaped holes.

In a specific embodiment, the lifting assembly further comprises a stopper, and the stopper is matched with the lifting plate to limit the sliding of the lifting plate.

In a specific embodiment, the lifting plate is provided with a first accommodating cavity and a second accommodating cavity, the limiting member is connected with the partition plate, and the limiting member can be embedded into the first accommodating cavity or the second accommodating cavity to limit the sliding of the lifting plate when the lifting plate slides.

In a specific embodiment, the stopper is an elastic column, and the elastic column is disposed in the partition.

In a specific embodiment, the partition board is provided with a first accommodating cavity and a second accommodating cavity, the limiting member is connected to the lifting plate, and the limiting member can be embedded into the first accommodating cavity or the second accommodating cavity to limit the sliding of the lifting plate when the lifting plate slides.

In a specific embodiment, the stopper is an elastic column, and the elastic column is disposed in the lifting plate.

In a specific embodiment, the lifting assembly further includes a limiting member, and the limiting member is matched with the locking member to limit the movement of the locking member.

In a specific embodiment, the fastening member is provided with a third accommodating cavity and a fourth accommodating cavity, the limiting member is connected to the partition plate, and the limiting member can be embedded into the third accommodating cavity or the fourth accommodating cavity to limit the movement of the fastening member when the fastening member moves.

In a specific embodiment, the partition board is provided with a third accommodating cavity and a fourth accommodating cavity, the limiting member is connected with the fastener, and the limiting member can be embedded into the third accommodating cavity or the fourth accommodating cavity to limit the movement of the fastener when the fastener moves.

In a specific embodiment, the limiting member is an elastic column, and the elastic column is disposed in the fastener.

In a third aspect, the present application provides a drill having a locking arrangement that includes a locking assembly, a drill rod assembly, a drive device, a lift assembly, a catch assembly, and a spring assembly.

The lifting assembly comprises a lifting plate and a poking block, the poking block is connected with the lifting plate, the poking block is arranged outside the shell, the lifting plate is contained in the containing cavity and is in sliding connection with the sliding groove, the lifting plate is provided with a movable groove, and the poking block can slide along the side wall of the shell so that the lifting plate can slide relative to the sliding groove.

The buckle assembly comprises a connecting piece and a buckle piece, the connecting piece is connected with the lifting plate, one end of the connecting piece is movably arranged in the movable groove, and the other end of the connecting piece is connected with the buckle piece.

The shifting block can drive the lifting plate to slide so that the clamping piece enters or is far away from the limiting groove.

The spring assembly is arranged in the movable groove, one end of the spring assembly is connected with the lifting plate, and the other end of the spring assembly is connected with the connecting piece.

In a specific embodiment, the spring assembly includes a first sleeve, a second sleeve and at least 2 springs, two ends of the springs are respectively sleeved in the first sleeve and the second sleeve, the first sleeve is embedded in the lifting plate, and the second sleeve is embedded in the connecting member.

The invention has the beneficial effects that: a drilling rig includes a locking assembly, a drill rod assembly, and a drive device. Wherein the locking assembly comprises a first locking ring and a second locking ring, and the drill rod assembly comprises a drill rod body, a core barrel and a drill bit. When the sampling stage, first locking ring and second locking ring are fixed with first body and second body earlier, and first body and second body connect into whole, then are connected with drilling rod body and drill bit and can carry out the drilling operation. After drilling is completed, the drill rod assembly is put forward, the core tube is taken down and directly conveyed to an indoor laboratory as a sample storage tube, the outer wall of the drill rod assembly does not need to be knocked to enable the soil sample to fall off, and interference of the soil sample obtaining process on the soil sample is reduced.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a drilling rig provided by an embodiment of the application;

FIG. 2 is a schematic structural view of a drill rod assembly provided in an embodiment of the present application;

FIG. 3 is a schematic view of a locking assembly coupled to a core barrel as provided by an embodiment of the present application;

FIG. 4 is a schematic view of a connection between a motor and a housing according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a lift assembly provided in an embodiment of the present application;

fig. 6 is a schematic connection diagram of a lifting assembly and a buckle assembly provided in an embodiment of the present application.

Icon: 100-a drilling machine; 110-a locking assembly; 111-a first locking ring; 113-a second locking ring; 130-a drill stem assembly; 131-a drill rod body; 133-core barrel; 1331-a first tube; 1333-a second tube; 1335-core chamber; 135-a drill bit; 150-a drive device; 151-a housing; 153-a motor; 155-a handle; 157-a separator; 1571-chute; 159-a housing cavity; 170-a lifting assembly; 171-a lifter plate; 1711-a movable groove; 173-a dial block; 180-a spring assembly; 181-a first sleeve; 183-a second sleeve; 185-a spring; 190-a snap assembly; 191-a connector; 193-snap-in.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Examples

The application provides a rig and have locking structure's rig aims at acquireing the original state soil, reduces the interference of acquireing soil sample process to the soil sample. The following description is made with reference to the accompanying drawings.

Fig. 1 shows a schematic construction of a drilling rig. Referring to fig. 1, the drilling machine 100 includes a locking assembly 110, a drill rod assembly 130, and a driving device 150.

Figure 2 shows a schematic view of a drill rod assembly and figure 3 shows a schematic view of a locking assembly in connection with a core barrel. Referring to fig. 2-3, the locking assembly 110 includes a first locking ring 111 and a second locking ring 113. The drill rod assembly 130 includes a drill rod body 131, a core barrel 133, and a drill bit 135, and both ends of the core barrel 133 are threadedly connected to the drill rod body 131 and the drill bit 135, respectively. In particular, the drill rod body 131 and the core barrel 133 are both made of steel, and the end of the drill bit 135 is made of diamond.

The core barrel 133 includes a first barrel 1331 and a second barrel 1333 opposite to the first barrel 1331.

The first pipe 1331 and the second pipe 1333 surround to form a core chamber 1335, the first locking ring 111 is disposed between the drill rod body 131 and the core barrel 133, the first locking ring 111 is disposed on the outer wall of the core barrel 133, the second locking ring 113 is disposed between the core barrel 133 and the drill bit 135, and the second locking ring 113 is disposed on the outer wall of the core barrel 133.

Wherein the first locking ring 111 is threadedly connected with the core barrel 133. The second locking ring 111 is threadedly coupled to the core barrel 133.

In other embodiments, referring to fig. 4, the driving device 150 includes a housing 151, a motor 153, and a handle 155, wherein the handle 155 is connected to the housing 151. The handles 155 are 2 and symmetrically disposed at opposite sides of the housing 151.

The motor 153 is disposed in the housing 151, and a power output end of the motor 153 penetrates through the housing 151 to be in transmission connection with the drill rod body 131.

In some other specific embodiments, the housing 151 has heat dissipation holes, which may be strip-shaped holes or circular holes.

Since the drill rod body 131, the core barrel 133 and the drill bit 135 are threadedly connected, the drill rod body 133 needs to be rotated relative to the core barrel 133 when the drill rod body 131, the core barrel 133 and the drill bit 135 are disassembled, and the drill rod body 131 is rotationally connected with the driving device 150 while the drill rod body 133 needs to be kept fixed during the rotation of the core barrel 133. When the core barrel 133 is rotated, the drill rod body 131 is also rotated. In practice, when disassembling, usually a plurality of persons are needed and the tubular drill rod body 131 is fixed and then disassembled by means of tools, since the drill bit 135 and the core barrel 133 are relatively short, the drill bit 135 and the core barrel 133 are held by both hands respectively and twisted in opposite directions, and the drill bit 135 and the core barrel 133 are separated.

It can be seen that the drill rod assembly removal of the drilling rig 100 provided herein is cumbersome and requires the assistance of special auxiliary tools.

To this end, the present application provides a drilling machine with a locking structure aimed at simplifying the disassembly process and reducing the use of auxiliary tools.

The present application provides a drill 100 that includes a locking assembly 110, a drill rod assembly 130, and a drive device 150. Wherein the locking assembly 110 comprises a first locking ring 111 and a second locking ring 113. The drill rod assembly 130 includes a drill rod body 131, a core barrel 133, and a drill bit 135. In the sampling stage, the first locking ring 111 and the second locking ring 113 are used to fix the first pipe body and the second pipe body, the first pipe body 1331 and the second pipe body 1333 are connected into a whole, and then the

drill pipe bodies

131 and 135 are connected to perform the drilling operation. After drilling is completed, the drill rod assembly 130 is lifted, the core tube 133 is taken down and directly transported to an indoor laboratory as a sample storage tube, the outer wall of the drill rod assembly 130 does not need to be knocked to enable the soil sample to fall off, and interference of the soil sample obtaining process to the soil sample is reduced.

Referring to fig. 1-6, the present application provides a drill with a locking structure, which includes a locking assembly 110, a drill rod assembly 130, a driving device 150, a lifting assembly 170, and a locking assembly 190.

Wherein the locking assembly 110 comprises a first locking ring 111 and a second locking ring 113.

The drill rod assembly 130 includes a drill rod body 131, a core barrel 133, and a drill bit 135, and both ends of the core barrel 133 are threadedly connected to the drill rod body 131 and the drill bit 135, respectively. One end of the drill rod body 131, which is far away from the drill bit 135, is provided with a limiting groove, and the core barrel 133 includes a first barrel 1331 and a second barrel 1333 disposed opposite to the first barrel 1331. The first pipe 1331 and the second pipe 1333 surround to form a core chamber 1335, the first locking ring 111 is disposed between the drill rod body 131 and the core barrel 133, the first locking ring 111 is disposed on the outer wall of the core barrel 133, the second locking ring 113 is disposed between the core barrel 133 and the drill bit 135, and the second locking ring 113 is disposed on the outer wall of the core barrel 133.

The driving device 150 includes a housing 151 and a motor 153, the motor 153 is disposed in the housing 151, a partition 157 is disposed inside the housing 151, the partition 157 and the housing 151 form an accommodating chamber 159, and the partition 157 has a sliding groove 1571.

The lifting assembly 170 includes a lifting plate 171 and a toggle block 173, the toggle block 173 is connected to the lifting plate 171, the toggle block 173 is disposed outside the housing 151, the lifting plate 171 is accommodated in the accommodating cavity 159, the lifting plate 171 is slidably connected to the sliding groove 1571, and the toggle block 173 can slide along a sidewall of the housing 151 to enable the lifting plate 171 to slide relative to the sliding groove 1571.

The latch assembly 190 includes a connecting member 191 and a latch 193, the connecting member 191 is connected to the lifting plate 171, and the dial block 173 can drive the lifting plate 171 to slide so that the latch 193 enters or leaves the limiting groove.

In another specific embodiment, the lifting assembly 170 further comprises a stopper, which is matched with the lifting plate 171 to limit the sliding of the lifting plate 171.

The lifting plate 171 is provided with a first accommodating cavity and a second accommodating cavity, the limiting member is connected with the partition 157, and the limiting member can be embedded into the first accommodating cavity or the second accommodating cavity to limit the sliding of the lifting plate 171 when the lifting plate 171 slides. During specific implementation, when the limiting member is embedded into the first accommodating cavity, the lifting plate 171 stops sliding (when the external force continues to stir the toggle block 173, the sliding of the lifting plate 171 still can be continuously limited), and at this time, the fastener 193 is embedded into the limiting groove, so that the drill rod body 131 is locked and cannot continuously rotate. When the toggle block 173 is toggled upwards, the limiting member is disengaged from the first accommodating cavity, the limiting member continues to slide along the surface of the lifting plate 171 until the second accommodating cavity is reached, the limiting member is embedded into the second accommodating cavity, the lifting plate 171 stops moving, at this time, the fastener 193 is completely away from the limiting groove, and the drill rod body 131 can rotate freely.

When specifically setting up, the locating part is the elasticity post. It is understood that in other embodiments, the first receiving chamber and the second receiving chamber may be opened at the partition 157. In addition, the limiting member may also be matched with the locking member 193 to limit the movement of the locking member 193. For example: the locking piece 193 is provided with a third accommodating cavity and a fourth accommodating cavity, the limiting piece is connected with the partition 157, and the limiting piece can be embedded into the third accommodating cavity or the fourth accommodating cavity to limit the locking piece 193 to move when the locking piece 193 moves.

In other specific embodiments, the lifting plate 171 is provided with a movable groove 1711, one end of the connecting member 191 is movably disposed in the movable groove 1711, and the other end of the connecting member 191 is connected to the locking member 193.

The drilling machine with the locking structure further comprises a spring assembly 180, wherein the spring assembly 180 is arranged in the movable groove 1711, one end of the spring assembly 180 is connected with the lifting plate 171, and the other end of the spring assembly 185 is connected with the connecting piece 191.

In other specific embodiments, the spring assembly 180 includes a first sleeve 181, a second sleeve 183, and at least 2 springs 185, two ends of the springs 185 are respectively sleeved in the first sleeve 181 and the second sleeve 183, the first sleeve 181 is embedded in the lifting plate 171, and the second sleeve 183 is embedded in the connecting member 191.

The present application provides a drill having a locking structure, a locking assembly 110, a drill rod assembly 130, a drive device 150, a lift assembly 170, and a catch assembly 190. When the drill rod body 131 is used, the toggle block 173 is toggled upwards, the toggle block 173 drives the lifting plate 171 to slide upwards along the partition 157, the lifting plate 171 drives the buckle assembly 190 to move upwards, and the buckle piece 193 is gradually separated from the limiting groove, so that the locking of the buckle piece 193 on the drill rod body 131 is released. When the drill rod body 131 needs to be locked, the dial block 173 is shifted downwards, the dial block 173 drives the lifting plate 171 to slide downwards along the partition plate 157, the lifting plate 171 drives the buckle assembly 190 to move downwards, and the buckle piece 193 gradually enters the limiting groove, so that the locking of the buckle piece 193 on the drill rod body 131 is realized. After the drill rod body 131 is locked, the drill rod body 131 can be removed by the handle and then the core barrel 133 can be rotated to remove the core barrel 133 without the aid of an auxiliary tool.

Further, the drilling machine having the locking structure further includes an elastic member 180, and a space for the connection member 191 to move up and down is provided at the elevating plate 171 by the elastic member 180. For example, the toggle block 173 is toggled downwards, the lifting plate 171 is fixed by the limiting member, the spring 185 is in a compressed state, the fastening member 193 moves downwards to abut against the upper end of the drill rod body 131, the drill rod body 131 is rotated slowly, and when the fastening member 193 rotates to the position of the limiting groove, the fastening member 193 is pushed to move towards the limiting groove under the restoring force of the spring, so that the drill rod body 131 is locked. Locking of the catch 193 is made easier and more automated by the spring assembly 180.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A drilling machine having a locking arrangement, comprising a locking assembly including a first locking ring and a second locking ring; the drill rod assembly comprises a drill rod body, a core tube and a drill bit, wherein two ends of the core tube are respectively in threaded connection with the drill rod body and the drill bit, one end of the drill rod body, which is far away from the drill bit, is provided with a limiting groove, the core tube comprises a first tube body and a second tube body, which is opposite to the first tube body, the first tube body and the second tube body surround to form a core cavity, the first locking ring is arranged between the drill rod body and the core tube and sleeved on the outer wall of the core tube, and the second locking ring is arranged between the core tube and the drill bit and sleeved on the outer wall of the core tube;

the driving device comprises a shell and a motor, the motor is arranged in the shell, a partition plate is arranged in the shell, the partition plate and the shell form an accommodating cavity, and the partition plate is provided with a sliding groove;

the lifting assembly comprises a lifting plate and a poking block, the poking block is connected with the lifting plate, the poking block is arranged outside the shell, the lifting plate is contained in the containing cavity and is in sliding connection with the sliding groove, and the poking block can slide along the side wall of the shell so that the lifting plate can slide relative to the sliding groove;

the clamping component comprises a connecting piece and a clamping piece, the connecting piece is connected with the lifting plate, and the poking block can drive the lifting plate to slide so that the clamping piece enters or is far away from the limiting groove.

2. The drilling machine having a locking arrangement of claim 1, wherein the drive device further includes a handle, the handle being connected to the housing.

3. The drilling machine with the locking structure as claimed in claim 2, wherein the housing is provided with heat dissipation holes.

4. The drilling machine with the locking structure as claimed in claim 3, wherein the heat dissipation holes are bar holes.

5. The drilling machine with locking arrangement of claim 1, wherein the first locking ring is threadedly connected to the core barrel.

6. The drilling machine with locking arrangement of claim 1, wherein the second locking ring is threadedly connected to the core barrel.

7. The drilling rig having a locking structure of claim 1, wherein the lift assembly further comprises a stop that mates with the lift plate to limit sliding of the lift plate.

8. The drilling machine with the locking structure as claimed in claim 7, wherein the lifting plate is provided with a first accommodating cavity and a second accommodating cavity, the limiting member is connected with the partition plate, and the limiting member can be inserted into the first accommodating cavity or the second accommodating cavity when the lifting plate slides to limit the sliding of the lifting plate.

9. The drilling machine with a locking structure as claimed in claim 8, wherein the retaining member is an elastic post disposed within the bulkhead.

10. The drilling machine with the locking structure as claimed in claim 7, wherein the partition board is provided with a first accommodating cavity and a second accommodating cavity, the limiting member is connected to the lifting plate, and the limiting member can be inserted into the first accommodating cavity or the second accommodating cavity to limit the sliding of the lifting plate when the lifting plate slides.

11. The drilling machine with a locking arrangement as claimed in claim 10, wherein the stop is a resilient post disposed within the elevator plate.

12. The drilling machine with a locking structure of claim 1, wherein the lifting assembly further comprises a limiting member, the limiting member is matched with the fastener to limit the movement of the fastener.

13. The drilling machine with the locking structure according to claim 12, wherein the fastener defines a third receiving cavity and a fourth receiving cavity, the limiting member is connected to the partition, and the limiting member can be inserted into the third receiving cavity or the fourth receiving cavity to limit the movement of the fastener when the fastener moves.

14. The drilling machine with locking arrangement as claimed in claim 13, wherein said stop is a resilient post disposed within said bulkhead.

15. The drilling machine with the locking structure according to claim 12, wherein the partition board is provided with a third accommodating cavity and a fourth accommodating cavity, the limiting member is connected to the fastener, and the limiting member can be inserted into the third accommodating cavity or the fourth accommodating cavity to limit the movement of the fastener when the fastener moves.

16. The drilling machine with the locking structure as claimed in claim 15, wherein the retaining member is an elastic post disposed within the catch.

17. A drilling machine with a locking structure is characterized by comprising

A locking assembly comprising a first locking ring and a second locking ring;

the drill rod assembly comprises a drill rod body, a core tube and a drill bit, wherein two ends of the core tube are respectively in threaded connection with the drill rod body and the drill bit, one end of the drill rod body, which is far away from the drill bit, is provided with a limiting groove, the core tube comprises a first tube body and a second tube body, which is opposite to the first tube body, the first tube body and the second tube body surround to form a core cavity, the first locking ring is arranged between the drill rod body and the core tube and sleeved on the outer wall of the core tube, and the second locking ring is arranged between the core tube and the drill bit and sleeved on the outer wall of the core tube;

the lifting assembly comprises a lifting plate and a poking block, the poking block is connected with the lifting plate, the poking block is arranged outside the shell, the lifting plate is accommodated in the accommodating cavity and is in sliding connection with the sliding groove, the lifting plate is provided with a movable groove, and the poking block can slide along the side wall of the shell so that the lifting plate can slide relative to the sliding groove;

the buckle assembly comprises a connecting piece and a buckle piece, the connecting piece is connected with the lifting plate, one end of the connecting piece is movably arranged in the movable groove, and the other end of the connecting piece is connected with the buckle piece;

the shifting block can drive the lifting plate to slide so that the clamping piece enters or leaves the limiting groove;

18. The drilling machine with the locking structure as claimed in claim 17, wherein the spring assembly comprises a first sleeve, a second sleeve and at least 2 springs, two ends of the springs are respectively sleeved in the first sleeve and the second sleeve, the first sleeve is embedded in the lifting plate, and the second sleeve is embedded in the connecting piece.

19. The drilling rig having a locking arrangement of claim 17, wherein the lift assembly further includes a stop that mates with the lift plate to limit sliding of the lift plate.

20. The drilling machine with the locking structure as claimed in claim 19, wherein the lifting plate defines a first receiving cavity and a second receiving cavity, the position-limiting member is connected to the partition plate, and the position-limiting member can be inserted into the first receiving cavity or the second receiving cavity when the lifting plate slides to limit the sliding of the lifting plate.

21. The drilling machine with locking arrangement as claimed in claim 20, wherein said stop is a resilient post disposed within said bulkhead.

22. The drilling machine with the locking structure as claimed in claim 19, wherein the partition board is provided with a first accommodating cavity and a second accommodating cavity, the limiting member is connected to the lifting plate, and the limiting member can be inserted into the first accommodating cavity or the second accommodating cavity to limit the sliding of the lifting plate when the lifting plate slides.

23. The drilling machine with locking arrangement as claimed in claim 22, wherein said stop is a resilient post disposed within said elevator plate.

24. The drilling machine with a locking structure of claim 17, wherein the lifting assembly further comprises a stop that mates with the fastener to limit movement of the fastener.

25. The drilling machine with the locking structure according to claim 24, wherein the fastener defines a third receiving cavity and a fourth receiving cavity, the limiting member is connected to the partition, and the limiting member can be inserted into the third receiving cavity or the fourth receiving cavity to limit the movement of the fastener when the fastener moves.

26. The drilling machine with locking arrangement as claimed in claim 25, wherein said stop is a resilient post disposed within said spacer.

27. The drilling machine with the locking structure according to claim 24, wherein the partition plate is provided with a third accommodating cavity and a fourth accommodating cavity, the limiting member is connected with the fastener, and the limiting member can be inserted into the third accommodating cavity or the fourth accommodating cavity to limit the movement of the fastener when the fastener moves.

28. The drilling machine with the locking structure as claimed in claim 27, wherein the retaining member is a resilient post disposed within the catch.