CN218759738U - Rotary drilling rig mast device and rotary drilling rig - Google Patents

Abstract

The application provides a dig rig mast device soon and dig rig soon, dig rig mast device soon includes that length is along the mast that x extends, is provided with the hoist and mount via hole that provides the access way for the hoist on the mast in order to be located contralateral pressurization hydro-cylinder in z to the one side hoist and mount from the mast, and the hoist and mount via hole runs through the mast along the perpendicular to x to z. Through the arrangement, the mast can be quickly and safely disassembled and assembled from the mast under the condition that the mast and the pressurizing oil cylinder are arranged along the z direction and the mast shields the pressurizing oil cylinder during hoisting, so that the pressurizing oil cylinder can be separately transported from the mast, and the transportation risk is reduced; the pressure oil cylinder is fast to disassemble and assemble, high in efficiency and low in cost, and the pressure oil cylinder can be fixed at one time.

Description

Rotary drilling rig mast device and rotary drilling rig

Technical Field

The application relates to the technical field of engineering machinery, in particular to a rotary drilling rig mast device and a rotary drilling rig.

Background

The rotary drilling rig is provided with a mast and a pressurizing oil cylinder installed on the mast, wherein the mast has the functions of installing a power head, bearing a drill rod and the like. And a pressurizing oil cylinder for applying pressure to the power head is also fixed on the mast, the fixed part of the pressurizing oil cylinder is installed on the mast, and the movable part of the pressurizing oil cylinder is connected with the power head. When the rotary drilling rig works, the mast is vertically placed, and the mast is turned vertically and horizontally to be placed in a mast-falling state after the work is finished. The mast inverting mode is divided into a front mast inverting and a rear mast inverting.

A large rotary drilling rig usually adopts a front mast, and a pressurizing oil cylinder is positioned between the mast and a supporting surface of the mast when the mast is inverted and disassembled. The mast is generally of a multi-section construction and is disassembled for transport to prevent overlength, wherein the pressurized cylinders also need to be disassembled. However, the width of the mast (the dimension along the radial direction of the pressurizing cylinder) usually far exceeds the outer diameter of the pressurizing cylinder, so that a lifting tool for lifting the pressurizing cylinder cannot directly lift the pressurizing cylinder to be disassembled and assembled by bypassing the mast.

In order to solve the problem that the pressurizing oil cylinder is difficult to disassemble, a new mast device of the rotary drilling rig needs to be researched, so that the pressurizing oil cylinder is easy to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

The application aims to solve the problem that a pressurizing oil cylinder of a large-scale rotary drilling rig with a front mast is difficult to disassemble and assemble. The application aims to provide a rotary drilling rig mast device and a rotary drilling rig, the rotary drilling rig mast device can be used for conveniently hoisting a pressurizing oil cylinder, and the pressurizing oil cylinder is simple and easy to assemble and disassemble.

In order to solve the above problem, in a first aspect, the present application provides a mast device of a rotary drilling rig. The mast device of the rotary drilling rig comprises a mast with the length extending along the x direction, a hoisting through hole which is used for providing an access channel for a hoisting tool is arranged on the mast so as to hoist a pressurizing oil cylinder located on the opposite side of the mast from one side of the mast in the z direction, the hoisting through hole penetrates through the mast along the z direction, and the z direction is perpendicular to the x direction.

In another possible embodiment, the mast device of the rotary drilling rig comprises a pressurizing cylinder arranged side by side with the mast along the z direction, the mast device of the rotary drilling rig is configured such that when the mast is parallel to the supporting surface of the supporting mast, the pressurizing cylinder is located between the mast and the supporting surface, and the hoisting through hole is configured as: the mast and the pressurizing oil cylinder are in a fixed state, and the size of the center line of the hoisting through hole from the gravity center of the pressurizing oil cylinder in the x direction is smaller than or equal to the diameter of the pressurizing oil cylinder.

In a further possible embodiment, a lifting lug is arranged at the center of gravity of the pressurizing cylinder.

In another possible embodiment, at least one pair of hoisting through holes is arranged on the mast, and in the x direction, the pair of hoisting through holes are respectively positioned on two sides of the gravity center of the pressurizing oil cylinder.

In another possible embodiment, the pressurizing oil cylinder is provided with lifting lugs used in pairs, and the lifting lugs correspond to the lifting through holes one to one.

In yet another possible embodiment, the maximum dimension of the hoist via in the y-direction is smaller than the maximum dimension of the hoist via in the x-direction, wherein the y-direction is perpendicular to both the x-direction and the z-direction.

In another possible embodiment, the maximum dimension of the hoisting through hole in the y direction is 0.5-0.7 times of the diameter of the pressurizing oil cylinder.

In another possible embodiment, the maximum size of the hoisting through hole in the x direction is larger than the installation stroke of the pressurizing oil cylinder.

In yet another possible embodiment, the mast includes a stiffening structure disposed on the mast about the hoist aperture.

The second aspect of the application provides a rotary drilling rig, and the rotary drilling rig comprises the rotary drilling rig mast device and a vehicle body for installing the rotary drilling rig mast device.

Through above setting, this application provides access way hoist and mount via hole through setting up to the hoist on the mast, and the hoist and mount via hole can be arranged and under the situation that the mast sheltered from the pressurization hydro-cylinder when lifting by crane along z at mast and pressurization hydro-cylinder, and the hoist can be followed the hoist and mount via hole and passed the back and directly be connected with the pressurization hydro-cylinder, realizes lifting by crane the purpose of pressurization hydro-cylinder. The pressurizing oil cylinder and the mast can be separately transported, so that the transportation risk is reduced; the disassembly and assembly are quick, the efficiency is high, and the cost is low; the one-time fixing of the pressurizing oil cylinder can be realized.

Drawings

Fig. 1 is a schematic structural diagram of a mast device of a rotary drilling rig according to an embodiment of the present application.

Fig. 2 is a schematic diagram of the arrangement of the hoisting through-hole on the mast in fig. 1.

Fig. 3 is a schematic partial cross-sectional view of the mast of fig. 1.

Fig. 4 is a schematic view of a structure of the pressurizing cylinder in fig. 1.

Fig. 5 is a schematic view of the hydraulic cylinder in fig. 1 during lifting.

Detailed Description

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 a part of the embodiments of the present application, and not all of the 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.

For a more convenient understanding of the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings.

In a first aspect, referring to fig. 1, the present application provides a mast device of a rotary drilling rig, the mast device of the rotary drilling rig includes a mast 1 extending along an x direction, a hoisting through hole 11 providing an access passage for a spreader 5 is provided on the mast 1 to hoist a pressurizing cylinder 2 located at an opposite side of the mast 1 from one side of the mast 1 in a z direction, the pressurizing cylinder 2 is hoisted at one side of the mast 1 in the z direction, and the hoisting through hole 11 penetrates through the mast 1 along the z direction, wherein the z direction is perpendicular to the x direction. In the present application, the z-direction is always perpendicular to the length of the mast 1. With continued reference to fig. 1, when mast 1 is positioned horizontally as in fig. 1, the z-direction is a vertical direction perpendicular to the ground, and mast 1 is in a mast-down state. At this time, the pressurizing cylinder 2 connected to the mast 1 is located between the mast 1 and the ground, that is, the mast 1 is located above the pressurizing cylinder 2, and at this time, if the pressurizing cylinder 2 is hoisted, the mast 1 will block the passage of the hoist 5, hindering the hoisting of the pressurizing cylinder 2. When the dimension of the mast 1 in the y direction is large, the lifting belt cannot go over the mast 1 to lift the pressurizing cylinder 2. By providing the hoisting through hole 11 penetrating the mast 1 in the z direction on the mast 1, the spreader 5 can come in and go out from the two sides of the mast 1 in the z direction through the hoisting through hole 11 (in fig. 1, the spreader 5 can come in and go out from the upper part and the lower part of the mast 1 in the z direction through the hoisting through hole 11). Thereby realizing the hoisting and lowering of the pressurizing oil cylinder 2. By the arrangement, the mast device of the rotary drilling rig can realize quick hoisting when the pressurizing oil cylinder is hoisted, is quick to disassemble and assemble, and is high in efficiency and low in cost; the pressurizing oil cylinder can be fixed at one time; and the pressurizing oil cylinder and the mast can be separately transported, so that the transportation risk is reduced.

In one embodiment, referring to fig. 1 and 5, the mast device of the rotary drilling rig includes a pressurizing cylinder 2 arranged side by side with a mast 1 along a z direction, the mast device of the rotary drilling rig is configured to be parallel to a supporting surface of the mast 1 when the mast 1 is parallel to the supporting surface of the supporting mast 1, the pressurizing cylinder 2 is located between the mast 1 and the supporting surface, and a hoisting through hole 11 is configured to be: when the mast 1 and the pressurizing oil cylinder 2 are in a fixed state, the size of the center line of the hoisting through hole 11 from the gravity center of the pressurizing oil cylinder 2 in the x direction is smaller than or equal to the diameter of the pressurizing oil cylinder 2 so as to ensure that the gravity center of the pressurizing oil cylinder 2 and the center line of the hoisting tool 5 are positioned in an allowable range, and stable hoisting is facilitated. The center of gravity of the pressurizing cylinder 2 here generally refers to the center of gravity of the pressurizing cylinder 2 in the retracted state. Therefore, during hoisting, the hoisting tool 5 enters the hoisting through hole 11 from one side of the mast 1, which is far away from the pressurizing oil cylinder 2, and then penetrates out of the hoisting through hole 11 from one side of the mast 1, which is close to the pressurizing oil cylinder 2, so that the pressurizing oil cylinder 2 can be easily hoisted; after the work is finished, the lifting appliance 5 returns from the lifting through hole 11 to the side of the mast 1, which is far away from the pressurizing cylinder 2, from the side of the mast 1, which is close to the pressurizing cylinder 2. In one embodiment, the lifting appliance 5 is a lifting hook, and the lifting appliance is lifted by means of the engagement of the lifting hook and a lifting belt. During hoisting, the hoisting belt is placed at the gravity center of the pressurizing oil cylinder 2 and surrounds the periphery of the pressurizing oil cylinder 2, and then the hoisting hook hooks the two ends of the surrounded hoisting belt, so that the pressurizing oil cylinder 2 is hoisted. With continued reference to FIG. 1, mast 1 includes a mounting block 3 secured to mast 1 and a mounting clamp 4 removably mounted to mast 1. When the pressurizing oil cylinder 2 is detached from the mast 1, the limitation of the installing press plate 4 on the pressurizing oil cylinder 2 is firstly released; then, the lifting appliance 5 is moved along the x direction, and the lifting appliance 5 drives the pressurizing oil cylinder 2 to be separated from the mounting base 3; then, the lifting appliance 5 is placed downwards along the z direction to enable the pressurizing oil cylinder 2 to fall to a specified position; finally, the lifting appliance 5 is removed to finish the disassembly of the pressurizing oil cylinder 2.

If the pressurizing oil cylinder 2 is installed, the reverse operation is carried out according to the steps.

In still another embodiment, referring to fig. 1, 4 and 5, a lifting lug 21 is provided at the center of gravity of the pressurizing cylinder 2. When hoist and mount via hole 11 is one, through setting up lug 21 in the focus department of pressurization hydro-cylinder 2, can be so that the central line of hoist 5 is located near the focus of pressurization hydro-cylinder 2, be favorable to the hoist and mount steadily, through setting up lug 21 in the focus department of pressurization hydro-cylinder 2, hoist and mount more convenient, swift, can effectively improve work efficiency.

In another embodiment, at least one pair of hoisting through holes 11 is formed in the mast 1, and in the x direction, the pair of hoisting through holes 11 are respectively located on two sides of the center of gravity of the pressurizing oil cylinder 2. Like this, adopt multiple spot hoist and mount, hoist and mount more steadily, can effectively prevent the slope of pressurization hydro-cylinder 2. When multi-point hoisting is carried out, hoisting can be carried out through the hanging strip, lifting lugs 21 used in pairs can be arranged on the pressurizing oil cylinder 2, and the lifting lugs 21 correspond to the hoisting through holes 11 one to one.

In another embodiment, the mast 1 is provided with odd hoisting through holes 11, a center line of one of the hoisting through holes 11 passes through the center of gravity of the pressurizing cylinder 2, and the rest even hoisting through holes 11 are symmetrically distributed along the center of gravity of the pressurizing cylinder 2. When the pressurizing oil cylinder 2 is hoisted, the hoisting tool 5 is hoisted through a hoisting belt and/or a hoisting lug 21 arranged on the pressurizing oil cylinder 2.

In yet another embodiment, referring to fig. 2, the maximum dimension of the lifting via 11 in the y-direction is smaller than the maximum dimension of the lifting via 11 in the x-direction, wherein the y-direction is perpendicular to both the x-direction and the z-direction. In this way, the hoisting through hole 11 is a waist-shaped hole, the depth of the waist-shaped hole extends along the z direction, and the cross section of the waist-shaped hole is a non-circular pattern with the length extending along the x direction and the width extending along the y direction. Due to the arrangement, the size of the waist-shaped hole in the y direction ensures the entrance and exit of the lifting appliance 5, and the size of the waist-shaped hole in the x direction ensures the stroke of the lifting appliance 5 in the x direction when the pressurizing oil cylinder 2 is installed or removed.

In one embodiment, referring to fig. 2, the lifting via 11 includes two sidewalls between two end walls disposed opposite to each other in the x direction, and the two sidewalls are parallel planes. Can guarantee like this that hoist 5 moves along x during operation to the dismouting on mount pad 3 with supplementary pressurization hydro-cylinder 2, set up two lateral walls into the plane that is parallel to each other, can also play the effect of direction for hoist 5 in the x direction for dismouting pressurization hydro-cylinder 2 is more convenient.

In one embodiment, referring to fig. 2, the hoisting via 11 comprises two end walls arranged oppositely in the x direction, and both end walls are cylindrical surfaces with a rotation center located in the hoisting via 11. The lifting hook(s) typically suspended from the spreader 5 by wire ropes (or other spreaders such as chucks, electromagnetic chucks, etc., if desired). This structure can reduce the wear on the hoist 5 and the wire rope suspending the hoist 5, and is easy to process. Of course, the two end walls may be planar or otherwise shaped, as desired.

In another embodiment, the maximum dimension of the hoisting through hole 11 in the y direction is 0.5 to 0.7 times of the diameter of the pressurizing oil cylinder 2. That is to say, hoist and mount via hole 11 will make hoist 5 conveniently pass through, avoid scraping wire rope, and the influence of minimumly reducing mast 1 intensity.

In another embodiment, the maximum size of the hoisting through hole 11 in the x direction is larger than the installation stroke of the pressurizing oil cylinder 2. The hydro-cylinder of being convenient for inserts among the mount pad 3, avoids scraping the wire rope of hanging hoist 5 in order to improve wire rope's life-span. The maximum size of the hoisting through hole 11 in the x direction is about 2 to 3 times of the installation stroke of the pressurizing cylinder 2.

In a further embodiment, and with reference to fig. 3, the mast 1 comprises a stiffening structure arranged on the mast 1 around the hoisting through-hole 11. Due to the presence of the hoisting through hole 11, the strength of the mast 1 at this point changes. Therefore, the mast 1 is locally reinforced at the position where the hoisting through hole 11 is formed, and the influence of the forming of the hoisting through hole 11 on the strength of the mast 1 is compensated. The stiffening structure comprises any one or more of x-stiffening, y-stiffening, and z-stiffening of the mast 1.

In one embodiment of the reinforcing structure, and with continued reference to fig. 3, mast 1 is a hollow bar defined by upper and lower cover plates disposed opposite one another in the z-direction and first and second webs disposed opposite one another in the y-direction, and the reinforcing structure is disposed in the hollow region of the hollow bar. The reinforcing structure comprises 4 neutral plates 12 with the length extending along the z direction and vertical to the x direction, and the 4 neutral plates 12 are respectively fixedly connected with a first web and a second web. Wherein, the two ends of the two middle vertical plates 12 are fixedly connected with an upper cover plate and a lower cover plate, and the two middle vertical plates 12 are respectively positioned at the two sides of the hoisting through hole 11 in the x direction; the other two middle vertical plates 12 are also respectively positioned at two sides of the hoisting through hole 11 in the x direction, and the two ends of the other two middle vertical plates are simultaneously fixedly connected with the upper cover plate and the lower cover plate. The middle vertical plate 12 fixedly connected with the first web plate and the middle vertical plate 12 fixedly connected with the lower cover plate have a gap in the y direction. The central vertical plate 12 is provided to mainly reinforce the mast 1 in the z-direction, and to prevent the first and second webs from being plastically deformed when the mast 1 is subjected to a z-direction force. The reinforcing structure comprises at least one transverse partition plate 13 parallel to the upper cover plate, the two ends of the transverse partition plate 13 in the y direction are fixedly connected with a first web plate and a second web plate respectively, the length of the transverse partition plate 13 in the x direction is larger than the maximum size of the hoisting through hole 11, and the hoisting through hole 11 penetrates through the transverse partition plate 13.

In another embodiment of the reinforcing structure, the reinforcing structure includes the diaphragm 13 in the above embodiment, and further includes a hollow rectangular vertical plate perpendicular to the x direction, and four sides of the rectangular vertical plate are respectively connected with the upper cover plate, the lower cover plate, the first web plate and the second web plate.

The second aspect of the application provides a rotary drilling rig, which comprises the rotary drilling rig mast device and a vehicle body for installing the rotary drilling rig mast device. The technical advantages of the rotary drilling rig are the same as those of the mast device of the rotary drilling rig, and are not repeated herein.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. In addition, the "/" in this document generally indicates that the former and latter associated objects are in an "or" relationship, but may also indicate an "and/or" relationship, which may be understood with particular reference to the former and latter text.

In the present application, "at least one" means one or more, "a plurality" means two or more. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c or a-b-c, wherein a, b and c can be single or multiple.

It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.

Claims (10)

1. The mast device of the rotary drilling rig is characterized by comprising a mast (1) with the length extending along the x direction, wherein a hoisting through hole (11) for providing an access channel for a lifting appliance (5) is formed in the mast (1) so as to hoist a pressurizing oil cylinder (2) located on the opposite side of the mast (1) from one side of the mast (1) in the z direction, and the hoisting through hole (11) penetrates through the mast (1) along the z direction perpendicular to the x direction.

2. The mast apparatus of the rotary drilling rig according to claim 1, comprising a pressurizing cylinder (2) arranged side by side with the mast (1) along the z-direction, wherein the mast apparatus of the rotary drilling rig is configured such that when the mast (1) is parallel to a supporting surface supporting the mast (1), the pressurizing cylinder (2) is located between the mast (1) and the supporting surface, and the hoisting via hole (11) is configured such that: when the mast (1) and the pressurizing oil cylinder (2) are in a fixed state, the distance between the center line of the hoisting through hole (11) and the gravity center of the pressurizing oil cylinder (2) in the x direction is smaller than or equal to the diameter of the pressurizing oil cylinder (2).

3. The mast apparatus of the rotary drilling rig according to claim 2, wherein a lifting lug (21) is arranged at the center of gravity of the pressurizing cylinder (2).

4. The mast device of the rotary drilling rig according to claim 2, wherein the mast (1) is provided with at least one pair of hoisting through holes (11), and the pair of hoisting through holes (11) are respectively positioned on two sides of the gravity center of the pressurizing oil cylinder (2) in the x direction.

5. The mast device of the rotary drilling rig according to claim 4, wherein lifting lugs (21) used in pairs are arranged on the pressurizing oil cylinder (2), and the lifting lugs (21) correspond to the hoisting through holes (11) one by one.

6. The mast apparatus of the rotary drilling rig according to claim 2, wherein the maximum dimension of the hoisting through hole (11) in the y direction is smaller than the maximum dimension of the hoisting through hole (11) in the x direction, wherein the y direction is perpendicular to both the x direction and the z direction.

7. The mast device of the rotary drilling rig as claimed in claim 2, wherein the maximum size of the hoisting through hole (11) in the y direction is 0.5-0.7 times the diameter of the pressurizing oil cylinder (2).

8. The mast apparatus of the rotary drilling rig according to claim 2, wherein the maximum dimension of the hoisting through hole (11) in the x direction is larger than the mounting stroke of the pressurizing cylinder (2).

9. The mast apparatus of the rotary drilling rig according to claim 1, wherein the mast (1) comprises a reinforcement structure arranged on the mast (1) around the hoisting via (11).

10. A rotary drilling rig, characterized in that the rotary drilling rig comprises the rotary drilling rig mast device as claimed in any one of claims 1 to 9 and a vehicle body for mounting the rotary drilling rig mast device.

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