阅读说明：本技术 一种可流水作业的全套管组合施工方法 (Full casing combined construction method capable of realizing line production ) 是由 贾学强 苏陈 张继光 马云龙 邱红臣 丁洪亮 张明杰 张梦慈 于 2019-10-10 设计创作，主要内容包括：一种可流水作业的全套管组合施工方法,全套管组合施工方法是自行式全套管全回转设备和旋挖钻机的组合施工方法,具体步骤如下：a、自行式全套管全回设备就位安放套管；b、套管下放预定深度后,继续下放阻力增大,需要旋挖钻机套管内取土；c、利用自行式全套管全回转钻机原位携带全回转工作装置回转预定角度或将自行式全套管全回转设备后撤预定角度,将套管口让出；d、旋挖钻机就位,在套管内取土；e、旋挖钻机取土完毕后,上车回转90°或后撤预定距离,让出套管；f、自行式全套管全回转钻机原位携带全回转工作装置回转至工作位置,继续下方套管。本发明结合两种施工设备的特点,充分利用两种施工设备,形成流水作业,提高施工效率。(A full-casing combined construction method capable of realizing line production is a combined construction method of self-propelled full-casing full-rotation equipment and a rotary drilling rig, and comprises the following specific steps: a. the self-propelled full-casing full-return equipment is used for placing the casing in place; b. after the casing is lowered to a preset depth, continuing to increase the lowering resistance, and taking soil in the casing of the rotary drilling rig; c. a self-propelled full-casing full-rotation drilling machine is used for carrying a full-rotation working device in situ to rotate for a preset angle or the self-propelled full-casing full-rotation equipment is withdrawn for a preset angle, and a casing opening is made; d. placing a rotary drilling rig in place, and taking soil in the sleeve; e. after the rotary drilling rig finishes taking earth, turning the upper vehicle by 90 degrees or withdrawing the upper vehicle for a preset distance to make the sleeve out; f. the self-propelled full-casing full-rotation drilling machine carries the full-rotation working device in situ to rotate to a working position, and continues to drive the casing below. The invention combines the characteristics of two kinds of construction equipment, fully utilizes the two kinds of construction equipment, forms flow process and improves the construction efficiency.)

1. A full casing combined construction method capable of realizing line production is characterized in that the full casing combined construction method is a combined construction method of self-propelled full casing full-rotation equipment and a rotary drilling rig, and comprises the following specific steps:

a. the self-propelled full-casing full-return equipment is used for placing the casing in place;

b. after the casing is lowered to a preset depth, continuing to increase the lowering resistance, and taking soil in the casing of the rotary drilling rig;

c. a self-propelled full-casing full-rotation drilling machine is used for carrying a full-rotation working device in situ to rotate for a preset angle or the self-propelled full-casing full-rotation equipment is withdrawn for a preset angle, and a casing opening is made;

d. placing a rotary drilling rig in place, and taking soil in the sleeve;

e. after the rotary drilling rig finishes taking earth, turning the upper vehicle by 90 degrees or withdrawing the upper vehicle for a preset distance to make the sleeve out;

f. the self-propelled full-casing full-rotation drilling machine carries the full-rotation working device in situ to rotate to a working position, and continues to drive the casing below.

2. The line-workable full casing combination construction method according to claim 1, wherein: if the soil taking time of the rotary drilling rig is too long, the self-propelled full-casing full-rotation equipment can be moved to the next hole position to place the casing.

3. The line-workable full casing combination construction method according to claim 2, wherein: when the rotary digging and soil taking time exceeds 1h, and the time consumed by moving the self-propelled full-casing full-rotation equipment to the next hole site and moving the self-propelled full-casing full-rotation equipment from the hole site to the original position does not exceed half of the rotary digging and soil taking time, the rotary digging and soil taking time of the rotary digging and soil taking machine is considered to be too long.

4. The line-workable full casing combination construction method according to claim 1, wherein: if the time for lowering the casing pipe by the self-propelled full-casing pipe full-rotation equipment is too long, the rotary drilling rig can move to the next hole site to carry out pre-soil-borrowing work on the premise of not influencing the casing pipe verticality and the hole wall stability.

5. The line-workable full casing combination construction method according to claim 4, wherein: when the time for lowering the casing pipe by the self-propelled full-casing pipe full-rotation equipment exceeds 1h, and the time consumed by moving the rotary drilling rig to the next hole site and moving the rotary drilling rig from the hole site to the original position does not exceed half of the time for lowering the casing pipe, the rotary drilling and soil taking time is considered to be too long.

6. The line-workable full casing combination construction method according to claim 1, wherein: in the step a, the self-propelled full-casing full-rotation equipment automatically moves to a hole site to be constructed, after centering, the full-casing full-rotation working device on the equipment is placed on the ground or a road base plate along the mast of the equipment, and the mast is separated from the working device through the quick separation device, so that the full-rotation working device is prevented from being interfered by the mast when working, and the construction verticality is ensured by leveling through the leveling oil cylinder arranged at the bottom of the working device.

7. The line-workable full casing combination construction method according to claim 1, wherein: in the step c, after the self-propelled full-casing full-rotation equipment is withdrawn, the self-propelled full-casing full-rotation equipment needs to be adjusted vertically and positioned again when being restored to the original position, interference is avoided by adopting a rotation mode, namely the self-propelled full-casing full-rotation drilling machine is used for carrying the full-rotation working device in the original position for at least 90 degrees, and a casing outlet is made.

8. The line-workable full casing combination construction method according to claim 1, wherein: the self-propelled full-sleeve full-rotation equipment has the function that the self-propelled and full-rotation working device can carry out at least 90 degrees along with the loading of the main machine.

9. The line-workable full casing combination construction method according to claim 1, wherein: in order to avoid the requirement that the rotary drilling rig is provided with a short drill rod, the sleeve removing position is in a stroke space of a pressing and pulling oil cylinder of the full-rotation working device.

10. The line-workable full casing combination construction method according to claim 1, wherein: the self-propelled full-casing full-rotation equipment and the rotary drilling rig can be arranged on a working surface at the same height for construction during construction.

Technical Field

The invention relates to a full casing construction method, in particular to a full casing combined construction method capable of realizing line production, and belongs to the technical field of full casing construction methods.

Background

At the present stage, along with the higher and higher requirements on green and environment-friendly construction in the field of engineering construction, the full casing construction method is used as a hole forming process without mud, and the application of the full casing construction method is more and more extensive. In the full casing construction method, in order to improve the casing construction efficiency, a rotary drilling rig is usually selected to carry out casing soil taking, but under the current construction condition, due to the structural size of two kinds of construction equipment, special configuration requirements such as part of masts and short drill rods are usually required to be dismantled for the rotary drilling rig matched with the rotary drilling rig, in part of engineering applications, the working face of the rotary drilling rig is reduced on site or lifted to avoid size interference between the masts and the rotary drilling rig, in addition, most of the current full casing full rotary equipment is inconvenient to turn around, so that the utilization rate of the rotary drilling equipment and the full rotary equipment is low, and the whole construction economy of the full casing is poor. Although partially all-casing fully-revolving devices are currently available that are self-propelled, the same problem cannot be solved due to the functional settings.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a full casing combined construction method capable of realizing line production.

The invention is realized according to the following technical scheme:

a full-casing combined construction method capable of realizing line production is a combined construction method of self-propelled full-casing full-rotation equipment and a rotary drilling rig, and comprises the following specific steps:

a. the self-propelled full-casing full-return equipment is used for placing the casing in place;

b. after the casing is lowered to a preset depth, continuing to increase the lowering resistance, and taking soil in the casing of the rotary drilling rig;

c. a self-propelled full-casing full-rotation drilling machine is used for carrying a full-rotation working device in situ to rotate for a preset angle or the self-propelled full-casing full-rotation equipment is withdrawn for a preset angle, and a casing opening is made;

d. placing a rotary drilling rig in place, and taking soil in the sleeve;

e. after the rotary drilling rig finishes taking earth, turning the upper vehicle by 90 degrees or withdrawing the upper vehicle for a preset distance to make the sleeve out;

f. the self-propelled full-casing full-rotation drilling machine carries the full-rotation working device in situ to rotate to a working position, and continues to drive the casing below.

Furthermore, if the rotary drilling rig takes too long time to extract soil, the self-propelled full-casing full-rotation equipment can move to the next hole position to put the casing.

Further, when the rotary digging and soil taking time exceeds 1h, and the time consumed by the self-propelled full-casing full-rotation equipment to move to the next hole site and move from the hole site to the original position does not exceed half of the rotary digging and soil taking time, the rotary digging and soil taking time of the rotary digging and soil taking machine is considered to be too long.

Furthermore, if the time for lowering the casing pipe by the self-propelled full-casing full-rotation equipment is too long, the rotary drilling rig can move to the next hole site to perform pre-soil-borrowing operation on the premise of not influencing the casing pipe verticality and the hole wall stability.

Further, when the time for lowering the casing pipe by the self-propelled full-casing pipe full-rotation equipment exceeds 1h, and the time consumed by moving the rotary drilling rig to the next hole site and moving the rotary drilling rig from the hole site to the original position does not exceed half of the time for lowering the casing pipe, the rotary drilling and soil taking time is considered to be too long.

Further, in the step a, the self-propelled full-casing full-rotation equipment automatically moves to a hole site to be constructed, after centering, the full-casing full-rotation working device on the equipment is placed on the ground or a road base plate along the mast of the equipment, and the mast is separated from the working device through the quick separation device, so that the full-rotation working device is prevented from being interfered by the mast when working, and the construction verticality is ensured by leveling through the leveling oil cylinder arranged at the bottom of the working device.

Furthermore, in the step c, after the self-propelled full-casing full-rotation equipment is withdrawn, the self-propelled full-casing full-rotation equipment needs to be adjusted vertically and positioned again when being returned to the original position, interference is avoided by adopting a rotation mode, namely the self-propelled full-casing full-rotation drilling machine is used for carrying the full-rotation working device in the original position for at least 90 degrees, and a casing outlet is made.

Further, the self-walking full-sleeve full-rotation equipment has the function that the self-walking and full-rotation working device can carry out at least 90 degrees along with the loading of the main machine.

Further, in order to avoid the requirement that the rotary drilling rig is provided with a short drill rod, the sleeve removal position is in a stroke space of a pressing and pulling oil cylinder of the full-rotation working device.

Furthermore, the self-propelled full-casing full-rotation equipment and the rotary drilling rig can be arranged on a working surface with the same height for construction during construction.

The invention has the beneficial effects that:

the invention can realize the line production of two kinds of combined construction equipment, does not make special configuration requirements on the rotary digging drilling machine, does not require the heightening or reduction treatment on the construction working surface, greatly improves the equipment utilization rate, has more efficient construction and maximizes the economic benefit.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of the cooperation state of two devices during soil taking of a rotary excavating casing;

FIG. 2 is a schematic diagram of the matching state of the two devices when the casing is placed in the full casing device;

FIG. 3 is a proposed sleeve removal position for the self-propelled full sleeve apparatus;

fig. 4 is a construction flow chart.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. 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. 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 invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram showing the cooperation state of two devices during soil taking of a rotary excavating casing; FIG. 2 is a schematic diagram showing the fitting state of the two devices when the full casing device is used for placing a casing; fig. 3 shows the proposed casing removal position of the self-propelled full casing installation, and fig. 4 shows the construction flow chart.

The technical scheme adopted by the invention is a line-production all-casing combined construction method, which is a combined construction method of self-propelled all-casing all-rotation equipment and a rotary drilling rig, and comprises the following specific steps:

a. the self-propelled full-casing full-return equipment is used for placing the casing in place;

b. after the casing is lowered for a certain depth, the lowering resistance is increased continuously, and the rotary drilling rig needs to dig out soil in the casing;

c. a self-propelled full-casing full-rotation drilling machine is used for carrying a full-rotation working device in situ to rotate for a preset angle or the self-propelled full-casing full-rotation equipment is withdrawn for a preset angle, and a casing opening is made;

d. placing a rotary drilling rig in place, and taking soil in the sleeve;

e. after the rotary drilling rig finishes taking earth, the upper vehicle rotates by 90 degrees or is withdrawn for a certain distance, and the sleeve is made out;

f. the self-propelled full-casing full-slewing drilling machine carries the full slewing working device in situ to rotate to a working position, and continues to drive the casing below;

g. if the soil taking time of the rotary drilling rig is too long, the self-propelled full-casing full-rotation equipment can be moved to the next hole site to put the casing;

h. if the time for lowering the casing pipe of the self-propelled full-casing full-rotation equipment is too long, the rotary drilling rig can move to the next hole position to carry out pre-soil-borrowing work.

The above process is further illustrated below:

the self-propelled full-casing full-rotation equipment automatically moves to a hole site to be constructed, after centering, the full-casing full-rotation working device on the equipment is placed on the ground or a road base plate along the mast of the equipment, and the mast is separated from the working device through the quick separation device, so that the full-rotation working device is prevented from being interfered by the mast when working, and the construction verticality is ensured by leveling through the leveling oil cylinder arranged at the bottom of the working device.

After positioning and verticality adjustment are finished, hoisting a casing into the full-rotation working device by using vehicle-mounted hoisting equipment carried by the equipment to lower the casing, and when the casing reaches a certain depth or meets a complex stratum, taking soil in the casing of the rotary drilling rig, so that casing lowering resistance is reduced;

the self-propelled full-rotation in-situ carrying full-rotation work is rotated for a certain angle or the equipment is withdrawn for a certain angle, a sleeve opening is made out, and the interference between the rotary drilling rig structure and the self-propelled full-rotation equipment is avoided; considering that the equipment needs to be adjusted vertically and positioned again when being returned to the original position after being withdrawn, the invention proposes to adopt a rotation mode to avoid interference. When the mode is adopted to avoid interference, special configuration requirements on the rotary digging drilling machine are not required, and no raising or lowering treatment is required on a construction operation surface.

It should be noted that in the manner of yielding the casing, the casing needs to be removed first, and in order to avoid the requirement that the rotary drilling rig is configured with a short drill rod, the casing removal position proposed by the invention is in the stroke space of the pressing and pulling oil cylinder of the full-rotation working device.

After the rotary drilling rig finishes soil taking, the upper vehicle rotates for 90 degrees or is withdrawn for a preset distance, and the casing pipe is made. The soil taking in the rotary drilling sleeve can be delayed or delayed, and the advanced sleeve pre-soil taking is carried out on the premise of not influencing the perpendicularity of the sleeve and the stability of the hole wall.

The self-propelled full-casing full-rotation drilling machine carries the full-rotation working device in situ to rotate to a working position, and the casing is continuously lowered.

The self-propelled full-casing full-rotation drilling rig and the rotary drilling rig both belong to self-propelled equipment, when one kind of equipment works, the other kind of equipment can be moved to the next hole site operation according to construction requirements, and the displacement of the two kinds of equipment is exchanged, so that the flow process is realized.

If the soil taking time of the rotary drilling rig is too long, the self-propelled full-casing full-rotation equipment can be moved to the next hole position to place the casing. The soil taking time of the rotary drilling rig is measured according to the field practice condition, and when the rotary drilling soil taking time exceeds 1h, the time consumed by the self-propelled full-casing full-rotation equipment to move to the next hole site and move from the hole site to the original position does not exceed half of the rotary drilling soil taking time, namely the rotary drilling soil taking time is considered to be too long.

If the time for lowering the casing pipe by the self-propelled full-casing pipe full-rotation equipment is too long, the rotary drilling rig can move to the next hole site to carry out pre-soil-borrowing work on the premise of not influencing the casing pipe verticality and the hole wall stability. The length of time for lowering the casing of the self-propelled full-casing full-rotation equipment is measured according to field practice conditions, and the time consumed by moving the rotary drilling rig to the next hole site and moving the rotary drilling rig from the hole site to the original position does not exceed half of the casing lowering time when the time for lowering the casing of the self-propelled full-casing full-rotation equipment exceeds 1h, namely the time for digging the soil is considered to be too long.

It should be noted that the self-propelled all-casing all-rotation equipment should have the function of the self-propelled and all-rotation working device for at least 90 degrees along with the loading of the main machine. The self-propelled full-casing full-rotation equipment and the rotary drilling rig can be arranged on a working surface at the same height for construction during construction.

In conclusion, the invention combines the characteristics of two kinds of construction equipment, fully utilizes the two kinds of construction equipment, forms flow process and improves the construction efficiency.

Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.