CN218644233U

CN218644233U - Drill rod connecting device and rock drill using same

Info

Publication number: CN218644233U
Application number: CN202222228334.7U
Authority: CN
Inventors: 赖瑞钢
Original assignee: Jiangxi Siton Machinery Manufacturing Co Ltd
Current assignee: Jiangxi Siton Machinery Manufacturing Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-03-17
Anticipated expiration: 2032-08-24

Abstract

The utility model provides a drill rod connecting device and a rock drill using the device, wherein the drill rod connecting device comprises a drill rod shank and a connecting sleeve; the drill bit shank is provided with an installation groove, and the installation groove is used for installing a first drill rod; one end of the connecting sleeve is provided with a first connecting groove, and the first connecting groove is used for installing a second drill rod; the other end of the connecting sleeve is provided with a second connecting groove, the second connecting groove is provided with an internal thread, the shank is provided with an external thread, the internal thread on the second connecting groove is matched with the external thread on the shank, and the connecting sleeve is in threaded connection with the shank; the first connecting groove and the second connecting groove are coaxially arranged. The utility model provides a drill rod connecting device, this drill rod connecting device can install different drill rods, and the rock drill that uses this drill rod connecting device can adapt to the multiplex condition construction.

Description

Drill rod connecting device and rock drill using same

Technical Field

The utility model relates to a rock drill technical field, concretely relates to drill rod connecting device and use device's rock drill.

Background

At present, in various drilling operations of coal mine machinery, an impact rotary rock drill is generally connected with a drill rod in a left-handed thread mode, and then torque and pulse impact force are transmitted to the drill rod, but the rotation directions of an anchor rod and an anchor cable drill rod during drilling are not matched with the left-handed thread connection mode, the drill rod can be separated from the rock drill in the drilling operation, in the technical field of rock drills, a blast hole drill rod is generally in threaded connection, the anchor rod and the anchor cable drill rod are generally in hexagonal connection, and the left-handed thread connection mode cannot be suitable for multi-working-condition construction of the rock drill.

For example CN216974750U, a special shank for hydraulic rock drills, comprising: the drill bit shank head end and the drill bit shank extension end, the drill bit shank head end circumference equipartition has the profile of tooth pterygoid lamina, be provided with arc connecting neck between drill bit shank head end and the drill bit shank extension end, its characterized in that: the drill bit shank lengthening end is internally provided with a guide hole and a drill rod threaded hole, the guide hole and the drill rod threaded hole are arranged adjacently, the drill bit shank lengthening end is provided with a water injection hole, and the water injection hole is connected with a flow guide hole in the drill bit shank lengthening end.

In the prior art, for example, CN216974750U mentioned above, a special drill rod for a hydraulic rock drill, the drill rod is only provided with a drill rod threaded hole, and the drill rod threaded hole cannot be installed with a bolt rod or an anchor cable rod which are connected in a hexagonal manner.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a drill rod connecting device and use device's rock drill, different drill rods can be installed to drill rod connecting device, and the rock drill that uses this drill rod connecting device can adapt to the construction of multiplex condition.

According to one aspect of the present invention, there is provided a drill rod connecting device, comprising a drill shank and a connecting sleeve; the drill bit shank is provided with an installation groove, and the installation groove is used for installing a first drill rod; one end of the connecting sleeve is provided with a first connecting groove, and the first connecting groove is used for installing a second drill rod; the other end of the connecting sleeve is provided with a second connecting groove, the second connecting groove is provided with an internal thread, the drill shank is provided with an external thread, the internal thread on the second connecting groove is matched with the external thread on the drill shank, and the connecting sleeve is in threaded connection with the drill shank; the first connecting groove and the second connecting groove are coaxially arranged.

In some embodiments, the cross section of the mounting groove is hexagonal, the cross section of the first drill rod is matched with the cross section of the mounting groove, and the first drill rod is in hexagonal connection with the connecting sleeve; the drill rod is characterized in that an internal thread is arranged on the first connecting groove, an external thread is arranged on the second drill rod, the internal thread on the second connecting groove is matched with the external thread on the second drill rod, and the connecting sleeve is in threaded connection with the drill rod shank.

In some embodiments, the connecting sleeve is further provided with a connecting cavity for the first drill rod to pass through, the first connecting groove is communicated with the second connecting groove through the connecting cavity, and the first connecting groove, the second connecting groove and the connecting cavity are coaxially arranged.

In some embodiments, a groove is further formed in the connecting sleeve, the groove is located at the connecting cavity, and a sealing ring is arranged at the groove; when the first drill rod penetrates through the connecting cavity, the sealing ring is positioned between the connecting sleeve and the drill rod.

In some embodiments, the drill bit shank is further provided with a water flow channel, and the water flow channel is connected with and communicated with the installation groove.

In some embodiments, the drill bit shank is further provided with a transition cavity, the transition cavity is positioned between the installation groove and the water flow channel, and the installation groove is communicated with the water flow channel through the transition cavity.

According to another aspect of the present invention, there is also provided a rock drill including the above drill rod connecting device.

In some embodiments, the drill bit shank is further provided with an anti-collision sleeve, the anti-collision sleeve is connected with the drill bit shank, and the anti-collision sleeve is provided with a limiting ring; and the rock drill is provided with a limiting groove matched with the limiting ring.

The utility model provides a drill rod connecting device is equipped with the mounting groove on the bore bit tail, is equipped with first connecting groove on the adapter sleeve, and first drill rod can be installed to the mounting groove, and the second drill rod can be installed to first connecting groove, and any kind of drill rod in first drill rod or the second drill rod of installation can be selected to this drill rod connecting device, and the rock drill that uses this drill rod connecting device can adapt to the construction of multiplex condition.

Drawings

The present disclosure will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and should not be taken as limiting the scope of the present disclosure. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a cross-sectional view of a shank adapter according to a first embodiment of the present application;

fig. 2 is a cross-sectional view of the connection sleeve according to the first embodiment of the present application;

FIG. 3 is a cross-sectional view of a shank adapter according to a first embodiment of the present application;

fig. 4 is a reference diagram illustrating a use state of the crash cover according to the first embodiment of the present application;

fig. 5 is an enlarged view of a reference view a of a use state of the crash cover according to the first embodiment of the present application;

FIG. 6 is a first state of use reference view of the drill rod coupling device according to the first embodiment of the present application;

FIG. 7 is a second state of use reference view of the drill rod coupling device according to the first embodiment of the present application;

FIG. 8 is a first perspective view of the onboard drilling rig of the present application;

FIG. 9 is a second perspective view of the airborne drilling rig of the present application;

FIG. 10 is a first perspective view of the drill boom of the present application;

FIG. 11 is a second perspective view of a drill boom of the present application;

in the figure: 1. a drill shank; 2. mounting grooves; 3. a transition chamber; 4. a water flow channel; 5. connecting sleeves; 6. a first connecting groove; 7. a second connecting groove; 8. a connecting cavity; 9. a trench; 10. a seal ring; 11. an anti-collision sleeve; 12. a second rock drill; 13. a forward and reverse rotation mechanism; 14. mounting a plate; 15. a drill rod; 16. a holder; 17. a drill rod lifter; 18. an upper layer carriage; 19. a long thrust cylinder; 20. a carriage base plate; 21. a carriage floor base; 22. a carriage extension cylinder; 23. a compensation oil cylinder; 24. a compensating slide way; 25. a short thrust cylinder; 26. a chain speed multiplying mechanism; 27. a rear translational seat; 28. a base arm; 29. a swing arm cylinder; 30. a large arm cylinder; 31. a swing arm translation oil cylinder; 32. a first spiral oil cylinder; 33. a second spiral oil cylinder; 34. an airborne drilling rig; 35. a large arm translation oil cylinder; 36. a telescopic arm; 37. a front translational seat; 38. a telescopic oil cylinder; 40. a limiting ring; 41. a limiting groove; 42. a first rock drill.

Detailed Description

While the invention will be described in further detail in connection with the drawings and detailed description, the embodiments of the invention have been presented for purposes of illustration and description, but are not intended to be exhaustive or limited to the invention in the form disclosed, and many modifications and variations will be apparent to those skilled in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

referring to fig. 1, which is a cross-sectional view of a drill shank according to an embodiment of the present invention, a drill shank 1 is provided with an installation groove 2, the installation groove 2 is used for installing a first drill rod, the first drill rod is an anchor rod or an anchor cable rod, the cross section of the connection end of the first drill rod and the installation groove 2 is hexagonal, the cross section of the anchor rod or the anchor cable rod is matched with the cross section of the installation groove 2, and the first drill rod is in hexagonal connection with the drill shank 1; the drill bit shank 1 is also provided with an external thread which is positioned at one end of the drill bit shank 1 provided with the mounting groove 2.

The drill shank 1 is also provided with a water flow channel 4, the water flow channel 4 is used for slag discharge of the drill shank during drilling, and the water flow channel 4 is connected with the mounting groove 2; preferably, the drill shank 1 further comprises a transition cavity 3, the transition cavity 3 is located between the installation groove 2 and the water flow channel 4, and the installation groove 2 is communicated with the water flow channel 4 through the transition cavity 3.

Referring to fig. 2, which is a cross-sectional view of a connecting sleeve according to an embodiment of the present invention, a first connecting groove 6 is formed at one end of the connecting sleeve 5, the first connecting groove 6 is used for installing a second drill rod, the second drill rod is a borehole drill rod, an internal thread is formed on the first connecting groove 6, an external thread is formed on the second drill rod, the internal thread on the second connecting groove 6 is matched with the external thread on the second drill rod, and the connecting sleeve 5 is in threaded connection with the drill shank 1; the other end of the connecting sleeve 5 is provided with a second connecting groove 7, the second connecting groove 7 is provided with an internal thread, the shank 1 is provided with an external thread, the internal thread on the second connecting groove 7 is matched with the external thread on the shank 1, and the connecting sleeve 5 is in threaded connection with the shank 1; the connecting sleeve 5 is further provided with a connecting cavity 8 for the first drill rod to pass through, the connecting cavity 8 is located between the first connecting groove 6 and the second connecting groove 7, the first connecting groove 6 is communicated with the second connecting groove 7 through the connecting cavity 8, and the first connecting groove 6, the second connecting groove 7 and the connecting cavity 8 are coaxially arranged.

The connecting sleeve 5 is also provided with a groove 9, the groove 9 is positioned at the connecting cavity 8, and a sealing ring 10 is arranged at the groove 9; when the drill shank 1 is provided with the connecting sleeve 5 and the first drill rod passes through the connecting cavity 8 of the connecting sleeve 5, the sealing ring 10 is positioned between the connecting sleeve 5 and the first drill rod, and the sealing ring 10 can play an auxiliary supporting and limiting effect on the first drill rod; the sealing ring 10 also has a water sealing function, and is provided with the water flow channel 4, so that the first drill rod can discharge slag during drilling, the water sealing condition of the drill rod connecting device needs to be noticed during slag discharge, accidental water leakage is avoided, when the sealing ring 10 is positioned between the connecting sleeve 5 and the first drill rod, one end of the sealing ring 10 is attached to the connecting sleeve, the other end of the sealing ring is attached to the first drill rod, and the drill rod connecting device is enabled to realize water sealing.

Referring to fig. 3 to 5, which are respectively a sectional view of a drill rod connecting device, a use state reference view of an anti-collision sleeve and an enlarged view of a use state reference view of the anti-collision sleeve in the first embodiment of the present application at a, an anti-collision sleeve 11 is further provided on the drill shank 1, and a limit groove 41 is further provided on the first rock drill; the anti-collision sleeve 11 is connected with the drill shank 1, a limiting ring 40 is arranged on the anti-collision sleeve 11, the limiting ring 40 is matched with a limiting groove 41 to limit the anti-collision sleeve 11 on the first rock drill, and the anti-collision sleeve 11 can increase the connection stability of the drill shank 1 and the first rock drill; the junction of first rock drill and bore bit tail 1 receives the collision easily, and anticollision cover 11 can protect this junction, reduces to get into the impurity in the clearance between first rock drill and the bore bit tail 1 by the junction, avoids the direct collision of partial clod and stone to first rock drill.

Referring to fig. 6, there is shown a first usage state of the drill rod connecting device according to the first embodiment of the present application, referring to the drawings, the usage method of the drill rod connecting device: when the drill rod connecting device is provided with a first drill rod, such as an anchor rod or an anchor cable rod; an internal thread is arranged on the second connecting groove 7, an external thread is arranged on the shank 1, the internal thread on the second connecting groove 7 is matched with the external thread on the shank 1, the connecting sleeve 5 is in threaded connection with the shank 1, and the connecting sleeve 5 is arranged on the shank 1; the cross section of first drill rod is the hexagon, and the cross section of mounting groove 2 is the hexagon, and the cross section of first drill rod matches with the cross section of mounting groove 2, and first drill rod is connected with adapter sleeve 5 hexagon, and first drill rod passes first spread groove 6, connecting chamber 8 and the second spread groove 7 of adapter sleeve 5 in proper order, and first drill rod inserts mounting groove 2 after passing adapter sleeve 5, and first drill rod is installed in drill rod connecting device.

Referring to fig. 7, a second use state of the drill rod connecting device according to the first embodiment of the present application is shown, referring to the drawings, and the use method of the drill rod connecting device is as follows: when the drill rod connecting device is provided with a second drill rod, such as a blast hole drill rod; an internal thread is arranged on the second connecting groove 7, an external thread is arranged on the shank 1, the internal thread on the second connecting groove 7 is matched with the external thread on the shank 1, the connecting sleeve 5 is in threaded connection with the shank 1, and the connecting sleeve 5 is arranged on the shank 1; and the second drill rod is provided with an external thread, the first connecting groove 6 is provided with an internal thread, the external thread on the second drill rod is matched with the internal thread on the first connecting groove 6, the second drill rod is in threaded connection with the connecting sleeve 5, and the second drill rod is arranged on the drill rod connecting device.

Example two:

referring to fig. 8 and 9, a first perspective view and a second perspective view of an airborne drilling rig according to a second embodiment of the present application are shown, the airborne drilling rig comprising a drilling rig and an airborne platform, the drilling rig being mounted on the airborne platform; the drilling machine is a second rock drilling machine 12, the second rock drilling machine 12 is installed on an installation plate 14, the installation plate 14 is installed on an upper layer sliding frame 18, the upper layer sliding frame 18 is installed on a sliding frame bottom plate 20, and the upper layer sliding frame 18 can slide on the sliding frame bottom plate 20; one end of a long propulsion oil cylinder 19 is connected with the upper layer sliding frame 18, the other end of the long propulsion oil cylinder is connected with a sliding frame bottom plate 20, and the long propulsion oil cylinder 19 is used for pushing the upper layer sliding frame 18 to slide on the sliding frame bottom plate 20; one end of a carriage extending oil cylinder 22 is connected with the carriage bottom plate 20, the other end is connected with the clamper 16, and the carriage extending oil cylinder 22 can increase the range of propelling stroke; one end of a compensation oil cylinder 23 is connected with the carriage bottom plate 20, the other end of the compensation oil cylinder is connected with a compensation slideway 24, one end of a carriage bottom plate seat 21 is connected with the carriage bottom plate 20, the other end of the carriage bottom plate seat is connected with the compensation slideway 24, and the compensation oil cylinder 23 can enable the carriage bottom plate seat 21 to slide on the compensation slideway 24; one end of a short propulsion oil cylinder 25 is connected with the upper layer sliding frame 18, the other end of the short propulsion oil cylinder is connected with a chain speed multiplying mechanism 26, one end of the chain speed multiplying mechanism 26 is connected with the short propulsion oil cylinder 25, the other end of the chain speed multiplying mechanism 26 is connected with the mounting plate 14, and the chain speed multiplying mechanism 26 enables the second rock drill 12 to be adjusted back and forth quickly; wherein, install positive and negative rotation mechanism 13 on the second rock drill 12, positive and negative rotation mechanism 13 is the drill rod connecting device in embodiment one, and drill rod 15 connecting device can connect drill rod 15, holds up drill rod ware 17 and can assist spacing drill rod 15.

The using method comprises the following steps: by controlling the long propulsion oil cylinder 19, the long propulsion oil cylinder 19 pushes the upper layer sliding frame 18 to slide on the sliding frame bottom plate 20, and the upper layer sliding frame 18 slides to drive the mounting plate 14 to move, so that the second rock drill 12 on the mounting plate 14 is driven to move; by controlling the short propulsion oil cylinder 25, the short propulsion oil cylinder 25 enables the chain speed multiplying mechanism 26 to work, and the chain speed multiplying mechanism 26 drives the mounting plate 14 to move on the upper-layer sliding frame 18, so that the second rock drill 12 on the mounting plate 14 is driven to move; by controlling the carriage extension cylinder 22, the carriage extension cylinder 22 pushes the carriage bottom plate 20 to slide on the carriage bottom plate seat 21; by controlling the compensation oil cylinder 23, the compensation oil cylinder 23 pushes the carriage base plate seat 21 to slide on the compensation slideway 24.

Example three:

referring to fig. 10 and 11, which show a first perspective view and a second perspective view of a drill boom according to a third embodiment of the present application, a rear translational seat 27 is mounted on a vehicle body mounting seat, one end of a swing arm oil cylinder 29 is connected with the rear translational seat 27, and the other end is connected with the vehicle body mounting seat, and the swing arm oil cylinder 29 can enable the rear translational seat 27 to be adjusted left and right on the vehicle body mounting seat; the basic arm 28 is installed on the rear translation seat 27, one end of the large arm oil cylinder 30 is connected with the basic arm 28, the other end of the large arm oil cylinder is connected with the rear translation seat 27, and the large arm oil cylinder 30 can enable the basic arm 28 to be adjusted up and down; the telescopic arm 36 can be inserted into the basic arm 28, the telescopic arm 36 is partially positioned in the basic arm 28, one end of the telescopic oil cylinder 38 is connected with the telescopic arm 36, the other end of the telescopic oil cylinder is connected with the basic arm 28, and the telescopic oil cylinder 38 can enable the telescopic arm 36 to be adjusted in a telescopic mode; the front translation seat 37 is mounted on the telescopic arm 36, one end of the large arm translation oil cylinder 35 is connected with the front translation seat 37, the other end of the large arm translation oil cylinder is connected with the telescopic arm 36, and the large arm translation oil cylinder 35 can enable the front translation seat 37 to be adjusted up and down; one end of the swing arm translation oil cylinder 31 is connected with the front translation seat 37, the other end of the swing arm translation oil cylinder is connected with the telescopic arm 36, and the swing arm translation oil cylinder 31 can enable the front moving platform to be adjusted left and right; a first spiral oil cylinder 32 and a second spiral oil cylinder 33 are arranged between the front translation seat 37 and the airborne drilling machine 34, the front translation seat 37 is connected with the first spiral oil cylinder 32, the first spiral oil cylinder 32 is connected with the second spiral oil cylinder 33, the second spiral oil cylinder 33 is connected with the airborne drilling machine 34, the rotation axis of the first spiral oil cylinder 32 is a first rotation axis, the rotation axis of the second spiral oil cylinder 33 is a second rotation axis, the first rotation axis is perpendicular to the second rotation axis, the first spiral oil cylinder 32 can enable the airborne drilling machine 34 to rotate around the first rotation axis, and the second spiral oil cylinder 33 can enable the airborne drilling machine 34 to rotate around the second rotation axis; the onboard drilling rig 34 is the onboard drilling rig 34 of the second embodiment.

The using method comprises the following steps: by controlling the swing arm oil cylinder 29, the swing arm oil cylinder 29 drives the rear translation seat 27 to perform left-right adjustment on the vehicle body mounting seat; by controlling the large arm oil cylinder 30, the large arm oil cylinder 30 drives the basic arm 28 to adjust up and down on the rear translation seat 27; by controlling the telescopic oil cylinder 38, the telescopic oil cylinder 38 drives the telescopic arm 36 to perform telescopic adjustment on the basic arm 28; by controlling the large-arm translation oil cylinder 35, the large-arm translation oil cylinder 35 drives the front translation seat 37 to adjust up and down on the telescopic arm 36; by controlling the swing arm translation oil cylinder 31, the swing arm translation oil cylinder 31 drives the front translation seat 37 to perform left-right adjustment on the telescopic arm 36; by controlling the first screw cylinder 32, the first screw cylinder 32 drives the second screw cylinder 33 to rotate around the first rotation axis; by controlling the second screw cylinder 33, the second screw cylinder 33 rotates the onboard drilling machine 34 around the second rotation axis.

Claims

1. A drill rod connecting device is characterized by comprising a drill shank and a connecting sleeve;

the drill bit shank is provided with an installation groove, and the installation groove is used for installing a first drill rod;

the drill rod connecting device comprises a connecting sleeve, a first drill rod and a second drill rod, wherein one end of the connecting sleeve is provided with a first connecting groove; the other end of the connecting sleeve is provided with a second connecting groove, the second connecting groove is provided with an internal thread, the drill shank is provided with an external thread, the internal thread on the second connecting groove is matched with the external thread on the drill shank, and the connecting sleeve is in threaded connection with the drill shank; the first connecting groove and the second connecting groove are coaxially arranged.

2. A shank attachment according to claim 1,

the cross section of the mounting groove is hexagonal, the cross section of the first drill rod is matched with the cross section of the mounting groove, and the first drill rod is connected with the connecting sleeve in a hexagonal mode;

the drill rod is characterized in that an internal thread is arranged on the first connecting groove, an external thread is arranged on the second drill rod, and the internal thread on the second connecting groove is matched with the external thread on the second drill rod.

3. A shank attachment according to claim 1,

the connecting sleeve is further provided with a connecting cavity for the first drill rod to penetrate through, the first connecting groove is communicated with the second connecting groove through the connecting cavity, and the first connecting groove, the second connecting groove and the connecting cavity are coaxially arranged.

4. A shank attachment according to claim 3,

the connecting sleeve is also provided with a groove, the groove is positioned at the connecting cavity, and a sealing ring is arranged at the groove; when the first drill rod penetrates through the connecting cavity, the sealing ring is positioned between the connecting sleeve and the drill rod.

5. A shank attachment according to claim 1,

the drill bit shank is further provided with a water flow channel, and the water flow channel is connected and communicated with the mounting groove.

6. A shank attachment according to claim 5,

the drill bit shank is further provided with a transition cavity, the transition cavity is located between the mounting groove and the water flow channel, and the mounting groove is communicated with the water flow channel through the transition cavity.

7. A rock drill is characterized in that the rock drill is provided with a rock drill body,

the rock drill comprising a shank attachment according to any one of claims 1 to 6.

8. A rock drill according to claim 7,

the drill bit shank is also provided with an anti-collision sleeve, the anti-collision sleeve is connected with the drill bit shank, and a limiting ring is arranged on the anti-collision sleeve; and the rock drill is provided with a limiting groove matched with the limiting ring.