阅读说明：本技术 锚箱钻箱切换组件及锚杆钻机 (Anchor box and drilling box switching assembly and anchor rod drilling machine ) 是由 吕继双 张东宝 康鹏 陈明军 田原 米雄伟 闫金宝 兰辉敏 张云波 杜玉祥 马钊 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种锚箱钻箱切换组件及锚杆钻机,包括驱动器、安装座和双联油缸,双联油缸设在伸缩杆的自由端,双联油缸包括第二缸体、第一活塞杆和第二活塞杆,第二缸体内设有第一腔和第二腔,第一腔内设有第一隔板,第一隔板将第一腔分隔为第一活动腔和第二活动腔,第一活塞杆穿过第一活动腔并与第一隔板相连,第二腔内设有第二隔板,第二隔板将第二腔分隔为第三活动腔和第四活动腔,第二活塞杆穿过第三活动腔并与第二隔板相连,第二缸体内还设有第一油路和第二油路,第一油路连通第一活动腔和第四活动腔,第二油路连通第二活动腔和第三活动腔。本发明的通过一个双联油缸可以分别实现对锚箱和钻箱的切换动作,结构简单,占用空间小。(The invention discloses an anchor box and drilling box switching assembly and an anchor drilling machine, which comprise a driver, a mounting seat and a duplex oil cylinder, wherein the duplex oil cylinder is arranged at the free end of a telescopic rod and comprises a second cylinder body, a first piston rod and a second piston rod, a first cavity and a second cavity are arranged in the second cylinder body, a first partition plate is arranged in the first cavity and divides the first cavity into a first movable cavity and a second movable cavity, the first piston rod penetrates through the first movable cavity and is connected with the first partition plate, a second partition plate is arranged in the second cavity and divides the second cavity into a third movable cavity and a fourth movable cavity, the second piston rod penetrates through the third movable cavity and is connected with the second partition plate, a first oil path and a second oil path are also arranged in the second cylinder body, the first oil path is communicated with the first movable cavity and the fourth movable cavity, and the second oil path is communicated with the second movable cavity and the third movable cavity. The invention can respectively realize the switching action of the anchor box and the drilling box through the duplex oil cylinder, and has simple structure and small occupied space.)

1. An anchor box drill box switching assembly, comprising:

the driver comprises a first cylinder body and a telescopic rod, and the telescopic rod is in guiding fit in the first cylinder body;

the mounting seat is arranged on the first cylinder body and is suitable for fixing the first cylinder body at a set position;

the duplex oil cylinder is arranged at the free end of the telescopic rod and comprises a second cylinder body, a first piston rod and a second piston rod, the first piston rod and the second piston rod are matched on the second cylinder body in a guiding mode and are arranged in parallel at intervals, a first cavity and a second cavity are arranged in the second cylinder body, a first partition plate is arranged in the first cavity and divides the first cavity into a first movable cavity and a second movable cavity, one end of the first piston rod penetrates through the first movable cavity and is connected with the first partition plate, the other end of the first piston rod extends to the outer side of the second cylinder body, a second partition plate is arranged in the second cavity and divides the second cavity into a third movable cavity and a fourth movable cavity, and one end of the second piston rod penetrates through the third movable cavity and is connected with the second partition plate, the other end of the second movable rod extends to the outer side of the second cylinder body, a first oil path and a second oil path are further arranged in the second cylinder body, the first oil path is communicated with the first movable cavity and the fourth movable cavity, and the second oil path is communicated with the second movable cavity and the third movable cavity.

2. The anchor box and drill box switching assembly as claimed in claim 1, wherein the second cylinder body is provided with a first port and a second port, the first port is communicated with the second movable cavity, the second port is communicated with the fourth movable cavity, the first port is adapted to inject hydraulic oil into the second movable cavity and the third movable cavity to enable the first piston rod to retract into the second cylinder body and the second piston rod to extend out of the second cylinder body, and the second port is adapted to inject hydraulic oil into the first movable cavity and the fourth movable cavity to enable the first piston rod to extend out of the second cylinder body and the second piston rod to extend into the second cylinder body.

3. The switch assembly of claim 1, wherein the second cylinder has a plurality of guide holes extending along the extension direction of the telescopic rod, the guide holes being adapted to be in guiding engagement with the guide rods.

4. An anchor box and drill box switching assembly as defined in claim 1, wherein said second cylinder has a first ramp surface and a second ramp surface thereon, said first ramp surface being adapted to avoid one of said anchor box and said drill box, said second ramp surface being adapted to avoid the other of said anchor box and said drill box.

5. An anchor box and drill box switching assembly as defined in claim 1, further comprising a counterbalance valve in communication with said actuator, said counterbalance valve being provided on said first cylinder.

6. The anchor box and drill box switching assembly as defined in claim 1, further comprising a displacement sensor disposed within the second cylinder, the displacement sensor adapted to detect the amount of extension and retraction of the first and second piston rods.

7. The anchor bin and drill box switching assembly as defined in claim 1, wherein the second cylinder body of said duplex cylinder is removably connected to said telescoping rod.

8. The switch assembly of any one of claims 1 to 7, wherein the first and second chambers are spaced apart in parallel, and the first chamber extends in a direction perpendicular to the extension and retraction direction of the telescopic rod, and the second chamber extends in a direction perpendicular to the extension and retraction direction of the telescopic rod, and the first and second oil passages are provided between the first and second chambers.

9. An anchor box and drill box switching assembly as claimed in claim 8, wherein the first oil passage and the second oil passage are arranged alternately.

10. A jumbolter comprising an anchor box and drill box switching assembly according to any one of claims 1-9.

Technical Field

The invention relates to the technical field of anchor rod support, in particular to an anchor box and drill box switching assembly and an anchor rod drilling machine using the same.

Background

The drilling box and the anchor box are arranged on the existing automatic anchor rod drilling machine, wherein the drilling box is used for drilling, the anchor box is used for drilling an anchor rod, and the drilling box and the anchor box need to be switched to complete the operation process of drilling the anchor rod. In the related art, the jumbolter realizes switching action by arranging two switching oil cylinders, the method occupies large space, has high requirement on the overall structure arrangement of the automatic drilling rig, and particularly has technical defects under the condition of harsh requirement on the space-head distance.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the embodiment of the invention provides the switching component of the anchor box and the drill box, which can respectively realize the switching action of the anchor box and the drill box through the duplex oil cylinder, has a simple structure and occupies a small space.

The embodiment of the invention also provides an anchor rod drilling machine applying the anchor box and drilling box switching assembly.

The anchor box and drill box switching assembly comprises: the driver comprises a first cylinder body and an expansion rod, and the expansion rod is in guiding fit in the first cylinder body; the mounting seat is arranged on the first cylinder body and is suitable for fixing the first cylinder body at a set position; the duplex oil cylinder is arranged at the free end of the telescopic rod and comprises a second cylinder body, a first piston rod and a second piston rod, the first piston rod and the second piston rod are matched on the second cylinder body in a guiding mode and are arranged in parallel at intervals, a first cavity and a second cavity are arranged in the second cylinder body, a first partition plate is arranged in the first cavity and divides the first cavity into a first movable cavity and a second movable cavity, one end of the first piston rod penetrates through the first movable cavity and is connected with the first partition plate, the other end of the first piston rod extends to the outer side of the second cylinder body, a second partition plate is arranged in the second cavity and divides the second cavity into a third movable cavity and a fourth movable cavity, and one end of the second piston rod penetrates through the third movable cavity and is connected with the second partition plate, the other end of the second movable rod extends to the outer side of the second cylinder body, a first oil path and a second oil path are further arranged in the second cylinder body, the first oil path is communicated with the first movable cavity and the fourth movable cavity, and the second oil path is communicated with the second movable cavity and the third movable cavity.

According to the anchor box and drill box switching assembly provided by the embodiment of the invention, the switching action of the anchor box and the drill box can be respectively realized through the duplex oil cylinder, the structure is simple, and the occupied space is small.

In some embodiments, the second cylinder body is provided with a first port and a second port, the first port is communicated with the second movable cavity, the second port is communicated with the fourth movable cavity, the first port is suitable for injecting hydraulic oil into the second movable cavity and the third movable cavity so as to enable the first piston rod to retract into the second cylinder body, the second piston rod extends out of the second cylinder body, and the second port is suitable for injecting hydraulic oil into the first movable cavity and the fourth movable cavity so as to enable the first piston rod to extend out of the second cylinder body and the second piston rod to extend and retract into the second cylinder body.

In some embodiments, the second cylinder is provided with a plurality of guide holes, the plurality of guide holes extend along the telescopic direction of the telescopic rod, and the guide holes are suitable for being matched with the guide rods in a guiding manner.

In some embodiments, the second cylinder is provided with a first inclined surface and a second inclined surface, the first inclined surface is adapted to avoid one of the anchor box and the drill box, and the second inclined surface is adapted to avoid the other of the anchor box and the drill box.

In some embodiments, further comprising a balancing valve in communication with the actuator, the balancing valve disposed on the first cylinder.

In some embodiments, the piston rod further comprises a displacement sensor disposed in the second cylinder body, the displacement sensor being adapted to detect the amount of extension and retraction of the first piston rod and the second piston rod.

In some embodiments, the second cylinder body of the duplex cylinder is detachably connected with the telescopic rod.

In some embodiments, the first cavity and the second cavity are arranged in parallel at intervals, the extending direction of the first cavity is perpendicular to the extending and retracting direction of the telescopic rod, the extending direction of the second cavity is perpendicular to the extending and retracting direction of the telescopic rod, and the first oil path and the second oil path are arranged between the first cavity and the second cavity.

In some embodiments, the first oil passage and the second oil passage are arranged alternately.

The jumbolter according to the embodiment of the invention comprises an anchor box and drill box switching assembly, wherein the anchor box and drill box switching assembly is the anchor box and drill box switching assembly in any one of the embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an overall structure of an anchor box and drill box switching assembly according to an embodiment of the invention.

FIG. 2 is a schematic view, partially in section, of the anchor box and drill box switching assembly of FIG. 1.

Fig. 3 is a perspective view of the duplex cylinder of fig. 1.

Fig. 4 is a schematic diagram of the internal structure of the dual oil cylinder in fig. 3.

Fig. 5 is a schematic view of the extension of the first piston rod of the dual cylinder of fig. 3.

Fig. 6 is a schematic diagram of the extension of the second piston rod of the duplex cylinder of fig. 3.

Reference numerals:

a first cylinder 1; a balance valve 2; a mounting base 3; a telescopic rod 4; a second cylinder 5; a piston rod 6; a guide hole 7; a displacement sensor 8; a first port 9; a second port 10; a first piston rod 11; a second piston rod 12; a first partition plate 13; a second separator 14; a first active chamber 15; a second active chamber 16; a third active chamber 17; a fourth active chamber 18; a second oil passage 19; a first oil passage 20; a first inclined surface 21; a second ramp 22.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 6, the anchor box-drilling box switching assembly according to the embodiment of the present invention includes a driver, a mounting base 3 and a duplex cylinder.

The driver comprises a first cylinder body 1 and an expansion rod 4, and the expansion rod 4 is in guide fit in the first cylinder body 1. Specifically, as shown in fig. 1, the actuator may be a hydraulic telescopic cylinder, the actuator generally extends in the front-rear direction, the telescopic rod 4 of the actuator is fitted in the first cylinder 1, and the extension and retraction of the actuator can be achieved by the movement of the telescopic rod 4 in the first cylinder 1. It will be appreciated that in other embodiments, the driver may also be a motorized push rod or the like.

A mount 3 is provided on the first cylinder 1, the mount 3 being adapted to fix the first cylinder 1 at a set position. Specifically, as shown in fig. 1 and fig. 2, the mounting seat 3 may be a mounting plate, the mounting seat 3 may be detachably fixed to the outer circumferential wall of the first cylinder 1 by screws, and the mounting seat 3 may also be integrally provided on the first cylinder 1 or welded and fixed to the first cylinder 1. The installation of mount pad 3 has made things convenient for the installation of driver fixed.

The duplex oil cylinder is arranged at the free end of the telescopic rod 4, the duplex oil cylinder comprises a second cylinder body 5, a first piston rod 11 and a second piston rod 12, the first piston rod 11 and the second piston rod 12 are both matched on the second cylinder body 5 in a guiding manner, the first piston rod 11 and the second piston rod 12 are arranged in parallel at intervals, a first cavity and a second cavity are arranged in the second cylinder body 5, a first partition plate 13 is arranged in the first cavity, the first cavity is divided into a first movable cavity 15 and a second movable cavity 16 by the first partition plate 13, one end of the first piston rod 11 penetrates through the first movable cavity 15 and is connected with the first partition plate 13, the other end of the first piston rod 11 extends to the outer side of the second cylinder body 5, a second partition plate 14 is arranged in the second cavity, the second cavity is divided into a third movable cavity 17 and a fourth movable cavity 18 by the second partition plate 14, one end of the second piston rod 12 penetrates through the third movable cavity 17 and is connected with the second partition plate 14, the other end of the second movable rod extends to the outer side of the second cylinder body 5, a first oil path 20 and a second oil path 19 are further arranged in the second cylinder body 5, the first oil path 20 is communicated with the first movable cavity 15 and the fourth movable cavity 18, and the second oil path 19 is communicated with the second movable cavity 16 and the third movable cavity 17.

Specifically, as shown in fig. 1, the free end of the telescopic rod 4 is the front end of the telescopic rod 4, the duplex oil cylinder is fixed at the front end of the telescopic rod 4, and the position of the duplex oil cylinder in the front-back direction can be adjusted by the extension and contraction of the actuator, so that the duplex oil cylinder is driven to move. The duplex oil cylinder comprises a second cylinder body 5, the second cylinder body 5 is substantially square block-shaped, as shown in fig. 4, a first cavity and a second cavity are arranged in the second cylinder body 5, the first cavity and the second cavity both extend along the up-down direction, and the first cavity and the second cavity are arranged at intervals in the front-back direction, wherein a first piston rod 11 is matched in the first cavity and penetrates out of the second cylinder body 5, a second piston cylinder is matched in the second cavity and penetrates out of the second cylinder body 5, and both the first piston rod 11 and the second piston rod 12 can move along the up-down direction.

It should be noted that in this embodiment the first piston rod 11 is adapted to engage a through hole in the anchor housing to pull the anchor housing in motion when the driver is extended or retracted, and in this embodiment the second piston rod 12 is adapted to engage a through hole in the drill housing to pull the drill housing in motion when the driver is extended or retracted. It will be appreciated that in other embodiments the first piston rod 11 may also cooperate with the drill box and the second piston rod 12 may also cooperate with the anchor box.

As shown in fig. 4, in this embodiment, a first partition plate 13 is disposed in the first cavity, the first partition plate 13 hermetically divides the first cavity into a first movable cavity 15 and a second movable cavity 16, wherein the first movable cavity 15 is located above the second movable cavity 16, the inner end of the first piston rod 11 is connected to the middle portion of the first partition plate 13, and the first piston rod 11 passes through the first movable cavity 15 and extends out of the second cylinder 5. Similarly, a second partition plate 14 is arranged in the second cavity, the second partition plate 14 hermetically divides the second cavity into a third movable cavity 17 and a fourth movable cavity 18, wherein the third movable cavity 17 is located above the fourth movable cavity 18, the inner end of the second piston rod 12 is connected with the middle part of the second partition plate 14, and the second piston rod 12 passes through the third movable cavity 17 and extends out of the second cylinder 5.

A first oil path 20 and a second oil path 19 are further arranged in the second cylinder body 5, wherein one end of the first oil path 20 is communicated with the first movable cavity 15, and the other end of the first oil path 20 is communicated with the fourth movable cavity 18, so that the first movable cavity 15 is communicated with the fourth movable cavity 18, and when hydraulic oil is injected into one of the first movable cavity 15 and the fourth movable cavity 18, the other one of the first movable cavity 15 and the fourth movable cavity 18 can be simultaneously injected with the hydraulic oil. Similarly, one end of the second oil passage 19 communicates with the second movable chamber 16, and the other end of the second oil passage 19 communicates with the third movable chamber 17, thereby allowing the second movable chamber 16 and the third movable chamber 17 to communicate, and when hydraulic oil is injected into one of the second movable chamber 16 and the third movable chamber 17, the other is also simultaneously injected with hydraulic oil.

When the switching assembly for the anchor box and the drill box of the embodiment of the invention is used, hydraulic oil is injected into one of the first movable cavity 15 and the fourth movable cavity 18, under the hydraulic action, the first partition plate 13 moves downwards, the first piston rod 11 contracts into the first cavity, the second partition plate 14 moves upwards, and the second piston rod 12 extends out of the second cavity, as shown in fig. 6. By injecting lubricating oil into one of the second movable chamber 16 and the third movable chamber 17, the first partition plate 13 moves upward under the hydraulic pressure, the first piston rod 11 extends out of the first chamber, the second partition plate 14 moves downward, and the second piston rod 12 retracts into the second chamber, as shown in fig. 5. Thereby, an alternating extension of the first piston rod 11 and the second piston rod 12 is achieved, whereby a separate drive of the anchor magazine and the drill magazine, respectively, can be achieved.

According to the anchor box and drill box switching assembly provided by the embodiment of the invention, the anchor box and the drill box can be respectively connected with the duplex oil cylinder, and then the position adjustment is realized under the action of the driver, so that the drive of the anchor box and the drill box can be realized through one oil cylinder and one driver, the condition that two sets of drive systems are required to be arranged in the related technology is avoided, the drive structures of the anchor box and the drill box are simplified, the occupation of space is reduced, and the anchor box and drill box switching assembly is compact in structure and convenient to install. In addition, because the first piston rod 11 and the second piston rod 12 are integrated on one oil cylinder, a smaller distance can be reserved between the first piston rod 11 and the second piston rod 12, so that the adjustment of the anchor box and the drill box is more refined, the switching of the anchor box and the drill box under a small empty roof is convenient to realize, and the adaptability is improved.

In some embodiments, the second cylinder 5 is provided with a first port 9 and a second port 10, the first port 9 is communicated with the second movable cavity 16, the second port 10 is communicated with the fourth movable cavity 18, the first port 9 is suitable for injecting hydraulic oil into the second movable cavity 16 and the third movable cavity 17 to enable the first piston rod 11 to retract into the second cylinder 5, the second piston rod 12 extends out of the second cylinder 5, and the second port 10 is suitable for injecting hydraulic oil into the first movable cavity 15 and the fourth movable cavity 18 to enable the first piston rod 11 to extend out of the second cylinder 5 and the second piston rod 12 to extend and retract into the second cylinder 5.

Specifically, as shown in fig. 4, a first port 9 and a second port 10 are provided on the second cylinder 5, wherein the first port 9 communicates with the second movable chamber 16, and the second port 10 communicates with the fourth movable chamber 18. The first port 9 and the second port 10 can both function to supply hydraulic oil, when the first port 9 is supplied with oil, the first piston rod 11 extends, the second piston rod 12 contracts, and at this time, the hydraulic oil in the first movable cavity 15 and the fourth movable cavity 18 can flow out through the second port 10. When the second port 10 is filled with oil, the first piston rod 11 is contracted, the second piston rod 12 is extended, and at this time, the hydraulic oil of the second movable chamber 16 and the third movable chamber 17 can flow out through the first port 9. Thereby, the arrangement of the passages in the second cylinder 5 is simplified, and the drive form of the first and second piston rods 11, 12 is simplified.

It should be noted that in other embodiments, the first port 9 may also be in communication with the first active chamber 15, and the second port 10 may also be in communication with the third active chamber 17.

Optionally, the first port 9 is communicated with the first oil path 20, and the second port 10 is communicated with the second oil path 19, at this time, hydraulic oil may flow to the second movable cavity 16 and the third movable cavity 17 on both sides via the first oil path 20, and hydraulic oil may also flow to the first movable cavity 15 and the fourth movable cavity 18 on both sides via the second oil path 19, so that the hydraulic pressures in the first movable cavity 15 and the fourth movable cavity 18 are kept consistent, the hydraulic pressures in the second movable cavity 16 and the third movable cavity 17 are also kept consistent, and smooth operation of the duplex oil cylinder is ensured.

In other embodiments, a third port and a fourth port may be further disposed in the second cylinder 5, the first port 9 and the second port 10 are both used for oil inlet, and the third port and the fourth port are both used for oil outlet. For example, one of the first port 9 and the third port communicates with the second active chamber 16, the other communicates with the third active chamber 17, one of the second port 10 and the fourth port communicates with the first active chamber 15, and the other communicates with the fourth active chamber 18.

In some embodiments, the second cylinder 5 is provided with a plurality of guiding holes 7, the plurality of guiding holes 7 are arranged to extend along the telescopic direction of the telescopic rod 4, and the guiding holes 7 are adapted to be in guiding fit with the guiding rods.

As shown in fig. 3, two guide holes 7 are formed in the second cylinder 5, the two guide holes 7 extend in the front-rear direction, and guide rods are inserted into the two guide holes 7, so that when the duplex cylinder moves under the action of the actuator, the stability and the structural strength of the movement of the duplex cylinder can be enhanced due to the arrangement of the guide holes 7 and the guide rods.

In some embodiments, the second cylinder 5 is provided with a first inclined surface 21 and a second inclined surface 22, the first inclined surface 21 being adapted to avoid one of the anchor box and the drill box, and the second inclined surface 22 being adapted to avoid the other of the anchor box and the drill box.

Specifically, as shown in fig. 3, the second cylinder 5 is substantially square, the first inclined surface 21 and the second inclined surface 22 are respectively provided at two edge positions of the second cylinder 5, and the first inclined surface 21 and the second inclined surface 22 both extend in the up-down direction, and the first inclined surface 21 and the second inclined surface 22 are provided such that a portion of the second cylinder 5 is substantially tapered. When the duplex oil cylinder is installed, the duplex oil cylinder can be installed between the anchor box and the drill box, one part of the second cylinder body 5 can be inserted between the anchor box and the drill box, the first inclined surface 21 can face one side of the anchor box, and the second inclined surface 22 can face one side of the drill box, so that the assembling compactness of the duplex oil cylinder, the anchor box and the drill box is improved.

In some embodiments, the balance valve 2 is further included, the balance valve 2 is communicated with the driver, and the balance valve 2 is arranged on the first cylinder body 1. Specifically, as shown in fig. 1 and 2, the balance valve 2 is provided on the outer circumferential wall of the first cylinder 1, and the balance valve 2 can balance the hydraulic pressure of both sides, thereby facilitating stable operation of the actuator.

In some embodiments, a displacement sensor 8 is further included, the displacement sensor 8 is disposed in the second cylinder 5, and the displacement sensor 8 is adapted to detect the amount of extension and retraction of the first piston rod 11 and the second piston rod 12. Specifically, as shown in fig. 2, a displacement sensor 8 may be provided in the second cylinder 5, and the displacement sensor 8 may monitor the amount of movement of the first and second piston rods 11 and 12, so that it may be ensured that the corresponding piston rod 6 is connected to the anchor or drill box.

In some embodiments, the second cylinder 5 of the duplex cylinder is detachably connected to the telescopic rod 4. Specifically, can be equipped with the screw hole on the second cylinder body 5, can be equipped with the external screw thread on the telescopic link 4, 4 screw-thread fit of telescopic link are in second cylinder body 5, from this, have made things convenient for the connection and the assembly of second cylinder body 5 and telescopic link 4, and then have made things convenient for the maintenance and the maintenance in later stage.

In some embodiments, the first chamber and the second chamber are arranged in parallel at intervals, the extending direction of the first chamber is perpendicular to the extending and retracting direction of the telescopic rod 4, the extending direction of the second chamber is perpendicular to the extending and retracting direction of the telescopic rod 4, and the first oil path 20 and the second oil path 19 are arranged between the first chamber and the second chamber. Specifically, as shown in fig. 4, the first chamber and the second chamber each extend substantially in the up-down direction, and the first chamber and the second chamber are arranged in parallel at intervals in the front-rear direction, and the first oil passage 20 and the second oil passage 19 are provided between the first chamber and the second chamber, whereby the lengths of the first oil passage 20 and the second oil passage 19 can be reduced as much as possible, and the arrangement of the first oil passage 20 and the second oil passage 19 is simplified.

In some embodiments, the first oil passage 20 and the second oil passage 19 are arranged alternately. Specifically, as shown in fig. 4, the first oil path 20 and the second oil path 19 are arranged in an X shape, so that the arrangement form of the first oil path 20 and the second oil path 19 is further simplified, and the processing is facilitated.

A jumbolter according to an embodiment of the present invention is described below.

The jumbolter comprises an anchor box and drill box switching assembly, a rack, an anchor box, a drill box and a guide rod, wherein the anchor box and drill box switching assembly can be the anchor box and drill box switching assembly described in the embodiment, the anchor box and the drill box are assembled on the rack in a guiding sliding mode, the guide rod is matched in a guide hole 7 of a duplex oil cylinder, a first piston rod 11 on the duplex oil cylinder can be matched with a through hole on the anchor box, a second piston rod 12 can be matched with the through hole on the drill box, and then the anchor box and the drill box are driven to move under the action of a driver.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either mechanically or electrically or in communication with each other; either directly or indirectly through intervening media, either internally or in any combination, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "below," and "beneath" a second feature may be directly or obliquely under the first feature or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.