CN217106889U

CN217106889U - Automatic rod replacing device

Info

Publication number: CN217106889U
Application number: CN202221099005.0U
Authority: CN
Inventors: 汤亮; 孟庆勇; 李爱春
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-02
Anticipated expiration: 2032-05-09

Abstract

The utility model provides an automatic rod changing device, includes drilling rod storehouse and lower carriage, and the drilling rod storehouse is used for storing the drilling rod, and drilling rod storehouse one side is located to the lower carriage, and the lower carriage includes undersetting frame, actuating mechanism and grabs the rod mechanism, and actuating mechanism locates on the undersetting frame, grabs the rod mechanism and includes the moving member and locate the jack catch subassembly on the moving member, and the moving member is connected in actuating mechanism, and actuating mechanism is used for driving the moving member and removes along first direction, and the jack catch subassembly is used for grasping or unclamping the drilling rod. The utility model discloses an among the automatic pole device that trades, because the moving member drives grabs the rod mechanism and is linear motion, realize trading the pole automatically, the centering degree of difficulty when having reduced the drilling rod loading and unloading, and improved the transmission precision.

Description

Automatic rod replacing device

Technical Field

The utility model relates to an engineering machine tool technical field, in particular to automatic trade lever apparatus.

Background

The down-the-hole drill is widely applied to engineering blast hole drilling operations such as mine exploitation, civil engineering construction, hydropower construction, national defense construction, earthwork and the like. In the prior art, a drill rod warehouse is generally arranged on a propelling beam of the drilling machine, temporarily unused drill rods are stored in the drill rod warehouse, and the drill rods required to be used are called out from the drill rod warehouse, so that automatic rod unloading/rod replacing operation is convenient.

At present, a rod replacing device used by a down-the-hole drill comprises a connecting seat, a drill rod warehouse, a main swing mechanism, an auxiliary swing mechanism, a clamping rod oil cylinder and a clamping rod arm, wherein the drill rod warehouse is fixedly arranged on the side part of a pushing beam of a down-the-hole drill carriage through the connecting seat; the main swing mechanism is arranged at the lower part of the drill rod warehouse in parallel, and the auxiliary swing mechanism is fixedly arranged on the main swing mechanism; the clamping rod arm can be detachably arranged at two ends of the auxiliary swing mechanism, the clamping rod oil cylinder is fixedly arranged on one side of the clamping rod arm, and the clamping rod oil cylinder is matched with the clamping rod arm to jack the drill rod after extending out. The rod changing device adopts a double-oil-cylinder swinging scheme, a main swinging mechanism overturns and conveys an auxiliary swinging mechanism to a specific position on a pushing beam of the down-the-hole drill carriage or conveys the auxiliary swinging mechanism back to a drill rod library, the auxiliary swinging mechanism conveys a drill rod on a clamping rod arm to a drill of the pushing beam of the down-the-hole drill carriage or conveys a drill rod disassembled from the drill rod back to a specific position on the pushing beam of the down-the-hole drill carriage, the position can not be found immediately to install or uninstall the drill rod during the assembling and the disassembling, and the centering difficulty is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic trade pole device to solve the great problem of the centering degree of difficulty when loading and unloading drilling rod.

The utility model discloses a realize that the technical scheme of its purpose is like: the utility model provides an automatic rod changing device, including drilling rod storehouse and lower carriage, the drilling rod storehouse is used for storing the drilling rod, the lower carriage is located drilling rod storehouse one side, the lower carriage includes lower carriage, actuating mechanism and grabbing rod mechanism, actuating mechanism locates on the lower carriage, grabbing rod mechanism includes the moving member and locates jack catch subassembly on the moving member, the moving member connect in actuating mechanism, actuating mechanism is used for the drive the moving member removes along the first direction, the jack catch subassembly is used for promptly grasping or unclamping the drilling rod.

The utility model discloses an in an embodiment, the drilling rod storehouse includes first driving piece, main shaft and chuck, first driving piece with the main shaft is connected, with the drive the main shaft rotates, the chuck cover is established on the main shaft, be provided with a plurality of holding that are used for along the circumference interval on the chuck the draw-in groove of drilling rod.

The utility model discloses an in an embodiment, the drilling rod storehouse still includes drive assembly, first safety cover and second safety cover, drive assembly connect in first driving piece with between the main shaft, first safety cover and second safety cover all cover just are located respectively outside the main shaft the both ends of main shaft.

In an embodiment of the present invention, the driving mechanism includes a second driving member and a transmission mechanism, the second driving member is connected to the transmission mechanism, the transmission mechanism is connected to the moving member, and the second driving member is used for driving the moving member to move along the first direction through the transmission mechanism.

In an embodiment of the present invention, the transmission mechanism includes a gear and a rack that are engaged with each other, the rack is fixedly connected to the moving member, and the gear is connected to the output shaft of the second driving member to drive the gear to rotate.

The utility model discloses an in one embodiment, the lower carriage still includes two grab bar mechanism and two drive mechanism, the automatic pole device that trades still includes the axis of rotation, the rotation axis connect in the second driving piece, two grab bar mechanism interval sets up on the lower carriage, two drive mechanism's two the gear interval sets up in the axis of rotation, two the gear respectively with two the rack cooperation, two the moving member is fixed connection respectively and two the rack.

In an embodiment of the present invention, the jaw assembly includes a third driving member, a first jaw and a second jaw, and the third driving member is used for driving the first jaw and the second jaw to move relatively close to or away from each other.

The utility model discloses an in the embodiment, first jack catch is swing jack catch, the second jack catch is fixed jack catch, swing jack catch connect in the third driving piece, fixed jack catch is fixed on the moving member, the third driving piece is used for the drive swing jack catch is relative fixed jack catch removes.

In an embodiment of the present invention, the first jaw and the second jaw are respectively connected to two of the third driving members, and the first jaw and the second jaw can be respectively driven by the third driving members to move relatively to the moving member.

In an embodiment of the present invention, the lower frame further includes a first limiting part, a second limiting part and a third limiting part, the second limiting part is opposite to the lower frame, the first limiting part and the third limiting part are located in the first direction on the moving member, and are respectively located at two sides of the second limiting part for limiting the moving member in the moving range in the first direction.

Compared with the prior art, the utility model beneficial effect who has: in the automatic rod-changing device of the utility model, the moving part drives the grabbing rod mechanism to do linear motion, so that the automatic rod-changing is realized, the centering difficulty during the loading and unloading of the drill rod is reduced, and the transmission precision is improved; meanwhile, the automatic rod replacing device is simple in structure, machining of special-shaped structural parts is avoided, on one hand, the reliability of the structure is improved, on the other hand, the production period is shortened, and the cost is reduced.

Drawings

Fig. 1 is a schematic structural view of an automatic rod replacing device according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a drill pipe magazine of the automatic rod changing device shown in fig. 1.

Fig. 3 is a schematic structural view of a lower bracket of the automatic rod changing device shown in fig. 1.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The utility model provides an automatic rod changing device, as shown in fig. 1, including drilling rod storehouse 10 and lower carriage 20, drilling rod storehouse 10 is used for storing drilling rod 30, drilling rod storehouse 10 one side is located to lower carriage 20, lower carriage 20 includes lower carriage 21, actuating mechanism 22 and grabbing rod mechanism 23, actuating mechanism 22 is located on lower carriage 21, grabbing rod mechanism 23 includes moving member 231 and locates the jack catch subassembly on moving member 231, moving member 231 connects in actuating mechanism 22, actuating mechanism 22 is used for driving moving member 231 and removes along the first direction, the jack catch subassembly is used for grasping or unclamping drilling rod 30.

In the automatic rod-changing device of the embodiment, because the moving member 231 is driven by the driving mechanism 22 to do linear motion, automatic rod-changing is realized, the centering difficulty during the assembly and disassembly of the drill rod is reduced, and the transmission precision is improved; meanwhile, the automatic rod replacing device is simple in structure, machining of special-shaped structural parts is avoided, on one hand, the reliability of the structure is improved, on the other hand, the production period is shortened, and the cost is reduced.

In this embodiment, as shown in fig. 2, the drill rod magazine 10 includes a first driving member 11, a main shaft 14 and a chuck 15, the first driving member 11 is connected to the main shaft 14 to drive the main shaft 14 to rotate, the chuck 15 is sleeved on the main shaft 14, and a plurality of slots for accommodating the drill rods 30 are circumferentially arranged on the chuck 15 at intervals. Specifically, the rotation of the main shaft 14 simultaneously rotates the chucks 15, so that the drill rods 30 placed on the pockets can be rotated, thereby allowing different drill rods 30 to correspond to the lower rack 2 for replacement. In particular, the first drive member 11 may be a hydraulic motor. It will be appreciated that the first drive member 11 may be other drive members such as a motor.

In this embodiment, the drill rod magazine 10 further includes a transmission assembly 12, a first protective cover 13 and a second protective cover 16, the transmission assembly 12 is connected between the first driving member 11 and the main shaft 14, and the first protective cover 13 and the second protective cover 16 both cover the main shaft 14 and are respectively located at two ends of the main shaft 14.

In this embodiment, as shown in fig. 3, the driving mechanism 22 includes a second driving element 221 and a transmission mechanism, the second driving element 221 is connected to the transmission mechanism, the transmission mechanism is connected to the moving element 231, and the second driving element 221 is configured to drive the moving element 231 to move along the first direction through the transmission mechanism.

In this embodiment, the transmission mechanism includes a gear 222 and a rack 223, the rack 223 is fixedly connected to the moving member 231, and the rack 222 is connected to the output shaft of the second driving member 221 to drive the gear 222 to rotate.

Specifically, the linear movement of ram 231 simultaneously engages the grab bar assembly to grip or release drill rod 30 to effect pushing of drill rod 30 into position to engage a push beam (not shown) to effect a rod loading or unloading action.

Specifically, the second driving member 221 is a hydraulic motor, and the rotation of the hydraulic motor is converted into a linear motion through a transmission mechanism to drive the moving member 231 to move linearly. It can be understood that the second driving element 221 in this embodiment may also be an air cylinder, a hydraulic oil cylinder, or a linear motor, and the air cylinder and the hydraulic oil cylinder may be directly connected to the moving element 231 through a piston rod to drive the moving element 231 to linearly move along the first direction.

In this embodiment, the lower frame 20 further includes two grabbing bar mechanisms 23 and two transmission mechanisms, the automatic bar changing device further includes a rotating shaft 40, the rotating shaft 40 is connected to the second driving member 221, the two grabbing bar mechanisms 23 are arranged on the lower frame 21 at intervals, two gears 222 of the two transmission mechanisms are arranged on the rotating shaft 40 at intervals, the two gears 222 are respectively matched with the two racks 223, and the two moving members 231 are respectively and fixedly connected with the two racks 223. In this way, the two spaced-apart rod grabbing mechanisms 23 grab the drill rod 30 at different positions, so that the drill rod 30 can be grabbed more stably, and rod replacement can be stably completed.

In this embodiment, the jaw assembly includes a third driver 232 for driving the first and second jaws to move relatively closer together or further apart, and a first jaw and a second jaw.

In this embodiment, the first jaw may be a swing jaw 233, the second jaw may be a fixed jaw 234, the swing jaw 233 is connected to the third driving member 232, the fixed jaw 234 is fixed on the moving member 231, and the third driving member 232 is configured to drive the swing jaw 233 to move relative to the fixed jaw 234. In other embodiments, the first jaw and the second jaw may also be connected to the two third driving members 232 respectively, and the first jaw and the second jaw may move relative to the moving member 231 under the driving of the third driving members 232 respectively, that is, the two third driving members 232 may drive the first jaw and the second jaw to move simultaneously, as long as the first jaw and the second jaw can be close to or far away from each other.

In this embodiment, the lower frame 20 further includes a first limiting member 24, a second limiting member 25 and a third limiting member 26, the second limiting member 25 is fixedly disposed relative to the lower frame 21, and the first limiting member 24 and the third limiting member 26 are disposed on the moving member 231 along the first direction and respectively located at two sides of the second limiting member 25 for limiting a moving range of the moving member 231 in the first direction. In the process that the moving member 231 moves towards the drill rod magazine 10, when the third stopper 26 corresponds to the second stopper 25, the moving member 231 cannot continue to move towards the drill rod magazine 10, and in the process that the moving member 231 moves towards the side far away from the drill rod magazine 10, when the first stopper 24 corresponds to the second stopper 25, the moving member 231 cannot continue to move towards the side far away from the drill rod magazine 10, so that the moving range of the moving member 231 is limited. Through the spacing to the moving member, can reduce the requirement to spare part machining precision, can also improve the convenience of assembly debugging, improve the practicality.

Specifically, the moving member 231 moves in the first direction under the driving of the driving mechanism 22, the moving member 231 first moves to a side close to the rod magazine 10 until the third stopper 26 abuts against the second stopper 25, the jaw assembly grasps the rod 30, and then the moving member 231 moves to a side away from the rod magazine 10, the jaw assembly takes down the rod 30, the moving member 231 moves to the first stopper 24 to abut against the second moving member 25, and the pushing of the rod 30 from the rod magazine 10 to the push beam (not shown in the figure) is completed; the moving member 231 is moved to a side away from the rod magazine 10 until the first stopper 24 abuts against the second stopper 25, the jaw assembly grasps the rod 30 detached from the push beam (not shown), and then the moving member 231 is moved to a side close to the rod magazine 10 until the third stopper 26 abuts against the second stopper 25, and the jaw assembly feeds the rod 30 into the rod magazine 30.

In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The automatic rod changing device is characterized by comprising a drill rod library (10) and a lower support (20), wherein the drill rod library (10) is used for storing drill rods (30), the lower support (20) is arranged on one side of the drill rod library (10), the lower support (20) comprises a lower support frame (21), a driving mechanism (22) and a rod grabbing mechanism (23), the driving mechanism (22) is arranged on the lower support frame (21), the rod grabbing mechanism (23) comprises a moving member (231) and a jaw assembly arranged on the moving member (231), the moving member (231) is connected to the driving mechanism (22), the driving mechanism (22) is used for driving the moving member (231) to move along a first direction, and the jaw assembly is used for grabbing or loosening the drill rods (30).

2. The automatic rod changing device according to claim 1, wherein the drill rod magazine (10) comprises a first driving member (11), a main shaft (14) and a chuck (15), the first driving member (11) is connected with the main shaft (14) to drive the main shaft (14) to rotate, the chuck (15) is sleeved on the main shaft (14), and a plurality of clamping grooves for accommodating the drill rods (30) are arranged on the chuck (15) at intervals along the circumferential direction.

3. The automatic rod changing device according to claim 2, wherein the drill rod magazine (10) further comprises a transmission assembly (12), a first protective cover (13) and a second protective cover (16), the transmission assembly (12) is connected between the first driving member (11) and the main shaft (14), and the first protective cover (13) and the second protective cover (16) are both covered outside the main shaft (14) and respectively located at two ends of the main shaft (14).

4. The automatic rod changing device according to claim 1, wherein the driving mechanism (22) comprises a second driving member (221) and a transmission mechanism, the second driving member (221) is connected to the transmission mechanism, the transmission mechanism is connected to the moving member (231), and the second driving member (221) is used for driving the moving member (231) to move along the first direction through the transmission mechanism.

5. The automatic rod changing device according to claim 4, wherein the transmission mechanism comprises a gear (222) and a rack (223) which are mutually matched, the rack (223) is fixedly connected to the moving member (231), and the gear (222) is connected to an output shaft of the second driving member (221) to drive the gear (222) to rotate.

6. The automatic rod changing device according to claim 5, wherein the lower frame (20) further comprises two of the grabbing bar mechanisms (23) and two of the transmission mechanisms, the automatic rod changing device further comprises a rotating shaft (40), the rotating shaft (40) is connected to the second driving member (221), the two grabbing bar mechanisms (23) are arranged on the lower frame (21) at intervals, two of the gears (222) of the two transmission mechanisms are arranged on the rotating shaft (40) at intervals, the two gears (222) are respectively matched with the two racks (223), and the two moving members (231) are respectively and fixedly connected to the two racks (223).

7. The automatic rod changing device as claimed in claim 1, wherein the jaw assembly comprises a third driving member (232), a first jaw and a second jaw, the third driving member (232) being adapted to drive the first jaw and the second jaw to move relatively closer to or away from each other.

8. The rod changing device according to claim 7, wherein the first jaw is a swing jaw (233), the second jaw is a fixed jaw (234), the swing jaw (233) is connected to the third driving member (232), the fixed jaw (234) is fixed on the moving member (231), and the third driving member (232) is used for driving the swing jaw (233) to move relative to the fixed jaw (234).

9. The rod changing device according to claim 7, wherein the first jaw and the second jaw are connected to two third driving members (232), respectively, and the first jaw and the second jaw are movable relative to the moving member (231) under the driving of the third driving members (232), respectively.

10. The automatic rod changing device according to claim 1, wherein the lower frame (20) further comprises a first limiting member (24), a second limiting member (25) and a third limiting member (26), the second limiting member (25) is fixedly disposed relative to the lower frame (21), the first limiting member (24) and the third limiting member (26) are disposed on the moving member (231) along the first direction and respectively located at two sides of the second limiting member (25) for limiting a moving range of the moving member (231) in the first direction.