CN216517833U

CN216517833U - Rotary digging drill

Info

Publication number: CN216517833U
Application number: CN202220043339.XU
Authority: CN
Inventors: 赵健
Original assignee: Shanghai Zoomlion Piling Machinery Co Ltd
Current assignee: Shanghai Zoomlion Piling Machinery Co Ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-05-13
Anticipated expiration: 2032-01-07

Abstract

The utility model provides a rotary drilling rig which comprises a rotary table rack, a bearing frame, a counterweight unit and a driving mechanism, wherein the bearing frame is movably connected to the rotary table rack, the counterweight unit is detachably connected to the bearing frame, the driving mechanism is connected to the rotary table rack, the driving mechanism is connected with the bearing frame, and the driving mechanism can drive the bearing frame to move towards a direction far away from or close to the rotary table rack. The rotary drilling rig can realize the stability of the whole machine in a real-time working state under different construction working conditions, and improve the construction efficiency.

Description

Rotary digging drill

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a rotary drilling rig.

Background

The rotary drilling rig needs to meet construction requirements of pressurization state and pulling and enables the whole machine to be in a balance state, the balance weight of the traditional rotary drilling rig is an immovable balance weight, therefore, when a heavy object is pulled out, a standard section is additionally arranged or a drill rod is hung, the rotary drilling rig can warp the back of a crawler belt, in addition, when the rotary drilling rig works on a soft soil layer, the problem that the crawler belt warps forwards can also occur due to pressurization of a power head, therefore, the problem of unbalance easily occurs under the real-time working state of the traditional rotary drilling rig, the stability of the rotary drilling rig is not strong, and the construction efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the rotary drilling rig provided by the utility model can realize the stability of the whole machine in a real-time working state under different construction working conditions, and the construction efficiency is improved.

The utility model provides a rotary drilling rig, includes the revolving stage frame, bears frame, counter weight unit and actuating mechanism, bears the movably connection in the revolving stage frame of frame, and counter weight unit detachably connects on bearing the frame, and actuating mechanism connects in the revolving stage frame, and actuating mechanism is connected with bearing the frame, and actuating mechanism can order about bearing the frame and remove towards the direction of keeping away from or being close to the revolving stage frame.

In the utility model, the bearing frame comprises a first bearing beam and a second bearing beam, a first movable cavity and a second movable cavity are arranged on the turntable rack, one end of the first bearing beam is arranged in the first movable cavity, the other end of the first bearing beam is fixedly connected with the counterweight unit, one end of the second bearing beam is arranged in the second movable cavity, the other end of the second bearing beam is fixedly connected with the counterweight unit, and the driving mechanism is used for driving the first bearing beam and the second bearing beam to move.

In the utility model, the turntable rack comprises a first mounting beam and a second mounting beam, the first mounting beam and the second mounting beam are arranged along the length direction of the turntable rack, and the first movable cavity and the second movable cavity are arranged in the first mounting beam and the second mounting beam.

In the utility model, the driving mechanism comprises a first driving oil cylinder and a second driving oil cylinder, the first driving oil cylinder is arranged in a first movable cavity, one end of the first driving oil cylinder is fixedly connected with the turntable frame, the other end of the first driving oil cylinder is fixedly connected with the first bearing beam, the second driving oil cylinder is arranged in a second movable cavity, one end of the second driving oil cylinder is fixedly connected with the turntable frame, and the other end of the second driving oil cylinder is fixedly connected with the second bearing beam.

In the utility model, a first sealing plate is arranged at one end of the first mounting beam, a first opening for inserting the first bearing beam is arranged at the other end of the first mounting beam, a cylinder body of a first driving oil cylinder is connected to the first sealing plate, a driving shaft of the first driving oil cylinder is connected to the first bearing beam, a second sealing plate is arranged at one end of the second mounting beam, a second opening for inserting the second bearing beam is arranged at the other end of the second mounting beam, a cylinder body of the second driving oil cylinder is connected to the second sealing plate, and a driving shaft of the second driving oil cylinder is connected to the second bearing beam.

In the utility model, the first sealing plate and the second sealing plate are both fixed with a first hinge seat, the cylinder body of the first driving oil cylinder and the cylinder body of the second driving oil cylinder are respectively connected to the first hinge seat, the end part of the first bearing beam and the end part of the second bearing beam are both fixed with a second hinge seat, and the driving shaft of the first driving oil cylinder and the driving shaft of the second driving oil cylinder are respectively connected to the second hinge seat.

In the utility model, the turntable rack further comprises a bottom plate and a cover plate, the first mounting beam and the second mounting beam are fixedly connected to the bottom plate, the cover plate is arranged opposite to the bottom plate, and the cover plate covers the first mounting beam and the second mounting beam.

In the utility model, the turntable frame further comprises a first slide rail and a second slide rail, the first slide rail and the second slide rail are both fixedly connected to the bottom plate, the first bearing beam is slidably mounted on the first slide rail, and the second bearing beam is slidably mounted on the second slide rail.

In the utility model, the first mounting beam and the second mounting beam are arranged at intervals along the width direction of the turntable rack, one side of the first mounting beam, which is close to the second mounting beam, is provided with a first avoidance hole, one side of the second mounting beam, which is close to the first mounting beam, is provided with a second avoidance hole, the bearing frame further comprises a cross beam, one end of the cross beam penetrates through the first avoidance hole and is fixedly connected with the first bearing beam, the other end of the cross beam penetrates through the second avoidance hole and is fixedly connected with the second bearing beam, the bearing frame further comprises a third driving oil cylinder, one end of the third driving oil cylinder is fixedly connected to the cross beam, and the other end of the third driving oil cylinder is fixedly connected to the turntable rack.

In the utility model, a fifth hinging seat is fixedly connected to the crossbeam, a driving shaft of a third driving oil cylinder is connected to the fifth hinging seat, a sixth hinging seat is fixedly connected to the turntable frame, and a cylinder body of the third driving oil cylinder is connected to the sixth hinging seat.

According to the rotary drilling rig, the driving mechanism is connected between the rotary table support and the counterweight unit by utilizing a moment balance principle, when the rotary drilling rig is in different working states, the counterweight unit can be driven to move by the driving mechanism to realize moment balance of the whole machine, the stability of the rotary drilling rig is improved, wherein the moment is equal to the product of force and an arm of force, when the rotary drilling rig needs to pull a heavy object, the counterweight unit only needs to be moved to increase the distance between the counterweight unit and the rotary table support (increase the length of the arm of force), the balance of the rotary drilling rig is realized, the problem of forward tilting of a crawler is avoided, and the construction efficiency is improved.

Drawings

Fig. 1 is a partial structural schematic diagram of a rotary drilling rig according to a first embodiment of the present invention.

FIG. 2 is a schematic view of a structure for detaching a counterweight unit from a turntable frame according to a first embodiment of the present invention

Fig. 3 is a schematic structural view of the counterweight unit according to the first embodiment of the present invention.

Fig. 4 is a partial sectional structural view of a driving mechanism of a rotary drilling rig according to a first embodiment of the present invention.

Fig. 5 is a schematic sectional structure at a turntable chassis of the first embodiment of the present invention.

Fig. 6 is a bottom view of the first embodiment of the present invention showing the carrier extended.

Fig. 7 is a cross-sectional structural view of the first load beam of the first embodiment of the present invention.

Fig. 8 is a schematic view of the arrangement of the carriage cooperating with the drive mechanism according to the second embodiment of the utility model.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in 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 only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to facilitate understanding of those skilled in the art, the present application provides a specific implementation process of the technical solution provided by the present application through the following embodiments.

First embodiment

Fig. 1 is a partial structural schematic diagram of a rotary drilling rig according to a first embodiment of the present invention, and as shown in fig. 1, the rotary drilling rig includes a turret frame 11, a carrier frame 12, a counterweight unit 13 and a driving mechanism 14, the carrier frame 12 is movably connected to the turret frame 11, the counterweight unit 13 is detachably connected to the carrier frame 12, the driving mechanism 14 is connected to the turret frame 11, the driving mechanism 14 is connected to the carrier frame 12, and the driving mechanism 14 can drive the carrier frame 12 to move away from or close to the turret frame 11.

According to the rotary drilling rig, the driving mechanism 14 is connected between the rotary table support and the counterweight unit 13 by using a moment balance principle, when the rotary drilling rig is in different working states, the counterweight unit 13 can be driven to move by the driving mechanism 14 to realize moment balance of the whole machine, and the stability of the rotary drilling rig is improved; for example, when the rotary drilling rig needs to pull up a heavy object, since the moment is equal to the product of the force and the force arm, under the condition that the weight of the counterweight unit 13 is not changed, the counterweight unit 13 is only required to be moved to increase the distance between the counterweight unit 13 and the turntable support (i.e. the length of the force arm is increased), so that the balance of the rotary drilling rig can be realized, the problem of forward tilting of the crawler is avoided, and the construction efficiency is improved.

Fig. 2 is a schematic structural view of a counterweight unit and a turntable frame according to a first embodiment of the present invention, and fig. 3 is a schematic structural view of a counterweight unit according to a first embodiment of the present invention, and as shown in fig. 1, fig. 2, and fig. 3, the bearing frame 12 includes a first bearing beam 121 and a second bearing beam 122, the turntable frame 11 is provided with a first movable cavity 101 and a second movable cavity 102, one end of the first bearing beam 121 is installed in the first movable cavity 101, the other end of the first bearing beam 121 is fixedly connected to the counterweight unit 13, one end of the second bearing beam 122 is installed in the second movable cavity 102, the other end of the second bearing beam 122 is fixedly connected to the counterweight unit 13, and the driving mechanism 14 is configured to drive the first bearing beam 121 and the second bearing beam 122 to move. In the present embodiment, the distance (arm) by which the driving mechanism 14 can move the counterweight unit 13 away from the turntable frame 11 is, for example, 420mm, 430mm, 440mm, 450mm, etc., and can be selected as needed; the first load beam 121 and the second load beam 122 are, for example, hollow box structures, so that the weight of the loading frame 12 is reduced, and the cost is reduced under the condition that the loading weight is unchanged.

Further, the counterweight unit 13 is provided with a first avoiding groove 103, the first avoiding groove 103 is arranged on one side of the counterweight unit 13 close to the turntable rack 11, the counterweight unit 13 is further provided with a first fixing rod 131 and a second fixing rod 132, the first fixing rod 131 and the second fixing rod 132 are installed in the first avoiding groove 103, one end of the first fixing rod 131 is fixedly connected with the counterweight unit 13, the first bearing beam 121 is further provided with a first fixing hole matched with the first fixing rod 131, the other end of the first fixing rod 131 passes through the first fixing hole and is fixedly connected with the first bearing beam 121, one end of the second fixing rod 132 is fixedly connected with the counterweight unit 13, the second bearing beam 122 is further provided with a second fixing hole matched with the second fixing rod 132, the other end of the second fixing rod 132 passes through the second fixing hole and is fixedly connected with the second bearing beam 122, the first avoiding groove 103 is used for avoiding the first bearing beam 121 and the second bearing beam 122 so that the counterweight unit 13 can be connected with the first bearing beam 121, The second load beam 122 is more adaptive to installation, and simultaneously, the use of materials is reduced, and the cost is reduced.

Further, the end of the first fixing rod 131 is provided with a first screw hole, the first fixing rod 131 is fixedly connected with the first carrier beam 121 through a bolt, the end of the second fixing rod 132 is provided with a second screw hole, and the second fixing rod 132 is fixedly connected with the second carrier beam 122 through a bolt.

Further, the counterweight unit 13 includes a plurality of weights 133, and the weights 133 are fixedly connected to each other by a first fixing rod 131, a second fixing rod 132, and a bolt.

Further, the turntable frame 11 includes a first mounting beam 111 and a second mounting beam 112, the first mounting beam 111 and the second mounting beam 112 are disposed along a length direction of the turntable frame 11, and the first movable chamber 101 and the second movable chamber 102 are disposed in the first mounting beam 111 and the second mounting beam 112. In the present embodiment, the first mounting beam 111 includes a first mounting plate 111a and a second mounting plate 111b, the first mounting plate 111a is disposed opposite to the second mounting plate 111b, the first movable chamber 101 is composed of the first mounting plate 111a and the second mounting plate 111b, the second mounting beam 112 includes a third mounting plate 112a and a fourth mounting plate 112b, the third mounting plate 112a is disposed opposite to the fourth mounting plate 112b, and the second movable chamber 102 is composed of the third mounting plate 112a and the fourth mounting plate 112 b.

In another preferred embodiment, the first mounting beam 111 and the second mounting beam 112 are, for example, hollow box structures, and the box structures are stressed more stably.

Further, the turntable frame 11 is further provided with a reinforcing plate 110, the reinforcing plate 110 is fixedly connected between the first mounting beam 111 and the second mounting beam 112, the reinforcing plate 110 is used for reinforcing the structural strength of the turntable frame 11, and the number of the reinforcing plates 110 is, for example, one or two, but not limited thereto.

Further, the driving mechanism 14 includes a first driving cylinder 141 and a second driving cylinder (not shown), the first driving cylinder 141 is installed in the first movable cavity 101, one end of the first driving cylinder 141 is fixedly connected to the turntable frame 11, the other end of the first driving cylinder 141 is fixedly connected to the first carrier beam 121, the second driving cylinder is installed in the second movable cavity 102, one end of the second driving cylinder is fixedly connected to the turntable frame 11, and the other end of the second driving cylinder is fixedly connected to the second carrier beam 122.

Fig. 4 is a partial sectional structural view of a driving mechanism of a rotary drilling rig according to a first embodiment of the present invention, and fig. 5 is a sectional structural view of a turntable frame according to the first embodiment of the present invention, where as shown in fig. 4 and 5, one end of a first mounting beam 111 is provided with a first sealing plate 113, the other end of the first mounting beam 111 is provided with a first opening for inserting a first carrier beam 121, a cylinder body of a first driving cylinder 141 is connected to the first sealing plate 113, a driving shaft of the first driving cylinder 141 is connected to the first carrier beam 121, one end of a second mounting beam 112 is provided with a second sealing plate, the other end of the second mounting beam 112 is provided with a second opening for inserting a second carrier beam 122, a cylinder body of the second driving cylinder is connected to the second sealing plate, and a driving shaft of the second driving cylinder is connected to the second carrier beam 122. In the present embodiment, the first sealing plate 113 is fixedly connected between the first mounting plate 111a and the second mounting plate 111b by welding, the first sealing plate 113 is, for example, a plate-shaped structure or a block-shaped structure, the second sealing plate is fixedly connected between the third mounting plate 112a and the fourth mounting plate 112b by welding, and the second sealing plate is, for example, a plate-shaped structure or a block-shaped structure, which can be selected according to the size of the space in the turntable frame 11, but is not limited thereto.

Further, a first hinge seat 114 is fixed on each of the first closing plate 113 and the second closing plate, a cylinder body of the first driving cylinder 141 and a cylinder body of the second driving cylinder are respectively connected to the first hinge seat 114, a second hinge seat 123 is fixed on each of an end portion of the first carrier beam 121 and an end portion of the second carrier beam 122, and a driving shaft of the first driving cylinder 141 and a driving shaft of the second driving cylinder are respectively connected to the second hinge seat 123. In this embodiment, the cylinder body of the first driving cylinder 141 is connected to the first hinge base 114 through a pin, the driving shaft of the first driving cylinder 141 is connected to the second hinge base 123 through a pin, and the connection mode of the second driving cylinder is the same as that of the first driving cylinder.

Fig. 6 is a schematic bottom view of the first embodiment of the present invention, and as shown in fig. 2, 4 and 6, the turret frame 11 further includes a bottom plate 115 and a cover plate 116, the first mounting beam 111 and the second mounting beam 112 are fixedly connected to the bottom plate 115, the cover plate 116 is disposed opposite to the bottom plate 115, and the cover plate 116 covers the first mounting beam 111 and the second mounting beam 112. In the present embodiment, the cover plate 116 is connected to the first and

second mounting beams

111 and 112 in a spaced or contacting or sliding manner.

As shown in fig. 2, the cover plate 116 is provided with a first protrusion 116a and a second protrusion 116b, the first protrusion 116a is disposed corresponding to the first carrier beam 121, the first protrusion 116a is provided with a second avoiding groove, the second avoiding groove is used for avoiding the first fixing rod 131 when the counterweight unit 13 moves, the second protrusion 116b is provided with a third avoiding groove, the third avoiding groove is used for avoiding the second fixing rod 132 when the counterweight unit 13 moves, wherein the first protrusion 116a, the second protrusion 116b and the cover plate 116 are an integral structure.

Fig. 7 is a schematic cross-sectional structural view of the first load beam according to the first embodiment of the present invention, and as shown in fig. 1 and 7, the turntable frame 11 further includes a first slide rail 117 and a second slide rail, not shown, both of which are fixedly connected to the bottom plate 115, the first load beam 121 is slidably mounted on the first slide rail 117, and the second load beam 122 is slidably mounted on the second slide rail. In this embodiment, a first slider 1211 is fixedly connected to a side of the first load beam 121 close to the bottom plate 115, a first sliding groove 104 is formed between the first slider 1211 and the first load beam 121, and when the first sliding rail 117 is matched with the first slider 1211, the first sliding rail 117 is installed in the first sliding groove 104, so as to reduce the friction force when the first load beam 121 moves; a second sliding block is arranged on one side of the second carrier beam 122 close to the bottom plate 115, a second sliding groove is formed between the second sliding block and the second carrier beam 122, when the second sliding block is matched with the second sliding rail, the second sliding rail is installed in the second sliding groove, so as to reduce the friction force when the second carrier beam 122 moves, wherein the first sliding block 1211 and the first carrier beam 121 are of an integrated structure, and the second sliding block and the second carrier beam 122 are of an integrated structure.

Second embodiment

Fig. 8 is a schematic structural diagram of a carrier and a driving mechanism according to a second embodiment of the present invention, and as shown in fig. 8, the rotary drilling rig according to the present embodiment is substantially the same in structure as the rotary drilling rig according to the first embodiment, and is different in structure of the driving mechanism 14.

Specifically, the first mounting beam 111 and the second mounting beam 112 are disposed at an interval in the width direction of the turntable frame 11, a first avoiding hole is not shown in one side of the first mounting beam 111 close to the second mounting beam 112, a second avoiding hole is not shown in one side of the second mounting beam 112 close to the first mounting beam 111, the bearing frame 12 further includes a cross beam 124, one end of the cross beam 124 passes through the first avoiding hole and is fixedly connected to the first bearing beam 121, the other end of the cross beam 124 passes through the second avoiding hole and is fixedly connected to the second bearing beam 122, the bearing frame 12 further includes a third driving cylinder 143, one end of the third driving cylinder 143 is fixedly connected to the cross beam 124, and the other end of the third driving cylinder 143 is fixedly connected to the turntable frame 11. In this embodiment, the first avoiding hole is disposed along the length direction of the first mounting beam 111, the second avoiding hole is disposed along the length direction of the second mounting beam 112, and the first avoiding hole and the second avoiding hole provide an avoiding space for the cross beam 124 to move, so as to avoid structural interference.

Further, a fifth hinge base 125 is fixedly connected to the cross beam 124, a driving shaft of the third driving oil cylinder 143 is connected to the fifth hinge base 125, a sixth hinge base 118 is fixedly connected to the turntable frame 11, and a cylinder body of the third driving oil cylinder 143 is connected to the sixth hinge base 118. In this embodiment, the fifth hinge base 125 is fixedly connected to the middle of the cross beam 124, so that the first carrier beam 121 and the second carrier beam 122 are symmetrically arranged, and the stability of the counterweight unit 13 during movement is increased, and the driving shaft of the third driving cylinder 143 is hinged to the fifth hinge base 125 through a pin; the rotary table rack 11 is further provided with a fixing seat 119, the fixing seat is fixedly connected with the rotary table rack 11, a sixth hinge seat 118 is fixedly connected to the fixing seat 119 in a welding mode, a cylinder body of a third driving oil cylinder 143 is hinged to the sixth hinge seat 118 through a pin shaft, when a driving shaft of the third driving oil cylinder 143 drives the cross beam 124, the counterweight unit 13 is driven by the first bearing beam 121 and the second bearing beam 122 to move towards a direction far away from the rotary table rack 11 to achieve moment balance, and stability of the rotary drilling rig is improved.

The present invention is not limited to the specific details of the above-described embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.

Claims

1. The rotary drilling rig is characterized by comprising a rotary table rack (11), a bearing frame (12), a counterweight unit (13) and a driving mechanism (14), wherein the bearing frame (12) is movably connected to the rotary table rack (11), the counterweight unit (13) is detachably connected to the bearing frame (12), the driving mechanism (14) is connected to the rotary table rack (11), the driving mechanism (14) is connected with the bearing frame (12), and the driving mechanism (14) can drive the bearing frame (12) to move towards the direction far away from or close to the rotary table rack (11).

2. The rotary drilling rig according to claim 1, wherein the bearing frame (12) comprises a first bearing beam (121) and a second bearing beam (122), a first movable cavity (101) and a second movable cavity (102) are arranged on the turntable frame (11), one end of the first bearing beam (121) is installed in the first movable cavity (101), the other end of the first bearing beam (121) is fixedly connected with the counterweight unit (13), one end of the second bearing beam (122) is installed in the second movable cavity (102), the other end of the second bearing beam (122) is fixedly connected with the counterweight unit (13), and the driving mechanism (14) is used for driving the first bearing beam (121) and the second bearing beam (122) to move.

3. The rotary drilling rig according to claim 2, wherein the turntable frame (11) comprises a first mounting beam (111) and a second mounting beam (112), the first mounting beam (111) and the second mounting beam (112) are arranged along the length direction of the turntable frame (11), and the first movable cavity (101) and the second movable cavity (102) are arranged in the first mounting beam (111) and the second mounting beam (112).

4. The rotary drilling rig according to claim 3, wherein the driving mechanism (14) comprises a first driving oil cylinder (141) and a second driving oil cylinder, the first driving oil cylinder (141) is installed in the first movable cavity (101), one end of the first driving oil cylinder (141) is fixedly connected with the turntable frame (11), the other end of the first driving oil cylinder (141) is fixedly connected with the first bearing beam (121), the second driving oil cylinder is installed in the second movable cavity (102), one end of the second driving oil cylinder is fixedly connected with the turntable frame (11), and the other end of the second driving oil cylinder is fixedly connected with the second bearing beam (122).

5. The rotary drilling rig according to claim 4, wherein a first sealing plate (113) is arranged at one end of the first mounting beam (111), a first opening for inserting the first bearing beam (121) is arranged at the other end of the first mounting beam (111), a cylinder body of the first driving oil cylinder (141) is connected to the first sealing plate (113), a driving shaft of the first driving oil cylinder (141) is connected to the first bearing beam (121), a second sealing plate is arranged at one end of the second mounting beam (112), a second opening for inserting the second bearing beam (122) is arranged at the other end of the second mounting beam (112), a cylinder body of the second driving oil cylinder is connected to the second sealing plate, and a driving shaft of the second driving oil cylinder is connected to the second bearing beam (122).

6. The rotary drilling rig according to claim 5, wherein a first hinge seat (114) is fixed on each of the first sealing plate (113) and the second sealing plate, a cylinder body of the first driving oil cylinder (141) and a cylinder body of the second driving oil cylinder are respectively connected to the first hinge seat (114), a second hinge seat (123) is fixed on each of an end portion of the first carrier beam (121) and an end portion of the second carrier beam (122), and a driving shaft of the first driving oil cylinder (141) and a driving shaft of the second driving oil cylinder are respectively connected to the second hinge seat (123).

7. The rotary drilling rig according to claim 3, wherein the turntable frame (11) further comprises a bottom plate (115) and a cover plate (116), the first mounting beam (111) and the second mounting beam (112) are fixedly connected to the bottom plate (115), the cover plate (116) is arranged opposite to the bottom plate (115), and the cover plate (116) covers the first mounting beam (111) and the second mounting beam (112).

8. The rotary drilling rig according to claim 7, wherein the turntable frame (11) further comprises a first slide rail (117) and a second slide rail, the first slide rail (117) and the second slide rail are both fixedly connected to the base plate (115), the first carrier beam (121) is slidably mounted to the first slide rail (117), and the second carrier beam (122) is slidably mounted to the second slide rail.

9. The rotary drilling rig according to claim 3, wherein the first mounting beam (111) and the second mounting beam (112) are arranged at intervals along the width direction of the turntable frame (11), a first avoidance hole is formed in one side, close to the second mounting beam (112), of the first mounting beam (111), a second avoidance hole is formed in one side, close to the first mounting beam (111), of the second mounting beam (112), the cross beam (124) is further included, one end of the cross beam (124) penetrates through the first avoidance hole to be fixedly connected with the first bearing beam (121), the other end of the cross beam (124) penetrates through the second avoidance hole to be fixedly connected with the second bearing beam (122), the bearing frame (12) further includes a third driving oil cylinder (143), one end of the third driving oil cylinder (143) is fixedly connected to the cross beam (124), the other end of the third driving oil cylinder (143) is fixedly connected to the rotary table frame (11).

10. The rotary drilling rig according to claim 9, wherein a fifth hinge seat (125) is fixedly connected to the cross beam (124), a driving shaft of the third driving oil cylinder (143) is connected to the fifth hinge seat (125), a sixth hinge seat (118) is fixedly connected to the turntable frame (11), and a cylinder body of the third driving oil cylinder (143) is connected to the sixth hinge seat (118).