CN213807549U - Construction equipment for removing underground shield segments by full-slewing drilling machine - Google Patents

Abstract

The utility model relates to a rig construction technical field discloses full slewing drilling machine clears away construction equipment of underground shield section of jurisdiction, including the rig body, the rig body is connected with the second mechanism, the second mechanism is including steel bushing pipe structure, the rig body is equipped with and holds tightly and drive the steel bushing pipe structure produces down pressure and moment of torsion, steel bushing pipe structure has cutting structure through balancing pole swing joint, makes steel bushing pipe structure cuts the processing to the underground obstacle. The cutting structure is driven by a switching mechanism to be capable of movably switching positions relative to the steel sleeve structure, the cutting structure comprises a switching plate and a cutting part which are fixedly connected with each other, the switching plate is movably connected with each other by taking a balance rod as a switching fulcrum, the switching mechanism is in driving connection with the switching plate, the switching plate rotates to drive the cutting part, a proper cutting part can be replaced immediately for cutting, and the purpose of improving the efficiency of cutting obstacles is achieved.

Description

Construction equipment for removing underground shield segments by full-slewing drilling machine

Technical Field

The utility model relates to a rig construction technical field particularly, relates to full rotary drilling machine clears away construction equipment of underground shield section of jurisdiction.

Background

The full-slewing drilling machine is called a full-casing full-slewing drilling machine, has the same functions as a pipe twisting machine, is a device for drilling by using a steel casing pipe, and is called the full-casing drilling machine. Full casing drilling rigs, also known as benott rigs, were originally developed successfully by benott, france in the last 70 th century. The initial full casing drilling machine is of a shaking type, namely, the steel casing is made to rotate around the center of the machine in a reciprocating mode at a certain angle by the aid of the extension and retraction of two shaking hydraulic cylinders, so that a cutting structure at the lowest end of the steel casing shears soil, and the pressing resistance of the steel casing is reduced; the steel sleeve is pressed into or pulled out of the soil by the other two hydraulic cylinders. Along with the development of pile foundation construction, the diameter of a pile is larger and larger, the requirements on construction efficiency and precision are higher and higher, and the swing type sleeve device cannot meet the requirements on construction due to small torque and low efficiency.

Along with the continuous development of economy, in foundation pit support and pile foundation construction, often meet the underground shield section of jurisdiction that construction left over before, especially in construction sites such as subway station, underground intelligent garage, underground building structure and reservoir, if do not do the processing, these old section of jurisdiction often can influence pile foundation engineering construction. If can lead to follow-up pile foundation construction to be obstructed, influence pile body straightness that hangs down, produce adverse effect to pile body quality, the efficiency of construction is low simultaneously, causes adverse effect to the time limit for a project. Therefore, a construction unit is generally required to be capable of constructing a new foundation after the construction unit needs to remove the new foundation, but before old pipe segments are removed, obstacles such as soil, rock stratum, reinforced concrete and the like are often faced, so the obstacles need to be cut off firstly, according to the experience of removing the old pipe segments in the past, mechanical equipment is usually adopted for removing or a rotary excavator drilling machine is directly adopted for digging, the methods are time-consuming and labor-consuming, the influence of the obstacles can also cause abrasion on the used equipment, some cutting equipment is adopted for cutting the obstacles, but the cutting efficiency of the used equipment is low, and the cutting structure cannot be flexibly switched.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full slewing drilling machine clears away construction equipment of underground shield section of jurisdiction aims at solving prior art, because of there being the barrier during foundation ditch construction, wearing and tearing construction equipment when carrying out the breakage to the old section of jurisdiction of leaving over underground clears away, and the cutting structure of use can't change immediately, and cutting efficiency is low.

The utility model discloses a realize like this, this full slewing drilling machine clears away construction equipment of underground shield section of jurisdiction, including the rig body, the rig body is connected with the second mechanism, the second mechanism is including the steel bushing structure, the rig body drive the steel bushing structure produces down pressure and moment of torsion, the steel bushing structure has cutting structure through balancing pole swing joint, cutting structure can be relative through the drive of shifter mechanism the steel bushing structure activity conversion position;

the cutting structure comprises a conversion plate and a cutting part which are fixedly connected with each other, the conversion plate takes a balance bar as a conversion fulcrum and is movably connected with each other, and the conversion mechanism is in driving connection with the conversion plate.

Furthermore, the cutting parts can be symmetrically and fixedly connected to two ends of the conversion plate, the middle part of the conversion plate is movably connected with the balance rod, and two ends of the conversion plate are respectively connected with conversion mechanisms acting in different directions.

Furthermore, the switching mechanism comprises a first transmission piece and a second transmission piece, the first transmission piece and the second transmission piece are in a vertical connection relationship, one end of the second transmission piece is vertically connected with the first transmission piece, the other end of the second transmission piece is connected with the switching plate, and two ends of the switching plate are respectively connected with the second transmission pieces in different action directions.

Furthermore, two ends of the conversion plate are connected with the second transmission parts which act in opposite directions, the conversion plate takes the balance plate as a fulcrum and is dragged by the second transmission parts which act in opposite directions to rotate, and the rotation angle of the conversion plate is 0-180 degrees;

the cutting parts connected with different ends of the conversion plate are mutually rotated.

Further, the cutting part comprises a fixed plate and a roller cone, one end of the fixed plate is fixedly connected with the conversion plate, the other end of the fixed plate is connected with the roller cone, one end of the fixed plate, which is connected with the roller cone, can be designed into a semicircle, and the roller cone can be arranged along the semicircle track.

Further, the drilling machine body comprises a guide post, a holding device, a base and a driving device, and the driving device comprises a motor, an oil cylinder or an air cylinder.

The drilling machine further comprises a first mechanism, wherein the first mechanism comprises a drill rod, the upper end of the drill rod is in driving connection with an oil cylinder in the drilling machine body, and the lower end of the drill rod is arranged in the steel sleeve structure.

The drilling machine further comprises a third mechanism, the third mechanism comprises a drill bit and a punching and grabbing structure, the punching and grabbing structure is provided with a grabbing structure, the upper end of the drill bit is provided with threads and is driven and connected by an oil cylinder in the drilling machine body, and the lower end of the drill bit is fixedly connected with the punching and grabbing structure and is arranged in the steel sleeve structure;

the punching and grabbing structure is of a bucket-shaped structure, a wedge-shaped hammer is arranged in the punching and grabbing structure, and the edge of an opening at the bottom is arranged in a surrounding mode.

Furthermore, the clasping device clasps and is connected with the steel sleeve structure and drives the steel sleeve structure to move up and down, rotate forwards and rotate backwards, so that the steel sleeve structure generates lower pressure and torque;

the upper end of the switching mechanism arranged in the steel sleeve structure is in driving connection with the motor, and the lower end of the switching mechanism is connected with the cutting structure.

Furthermore, two side surfaces of a conversion plate of the cutting structure are movably connected with the balance rod.

Compared with the prior art, this construction equipment that underground shield constructs section of jurisdiction is clear away to full slewing drilling machine, including the rig body, the rig body is connected with the second mechanism, the second mechanism is including steel casing pipe structure, the rig body is equipped with and holds tightly and drive the steel casing pipe structure produces down pressure and moment of torsion, steel casing pipe structure has cutting structure through balancing pole swing joint, makes the steel casing pipe structure carries out cutting to the underground obstacle. The cutting structure is driven by a switching mechanism to be capable of movably switching positions relative to the steel sleeve structure, the cutting structure comprises a switching plate and a cutting part which are fixedly connected with each other, the switching plate is movably connected with each other by taking a balance rod as a switching fulcrum, the switching mechanism is in driving connection with the switching plate, the switching plate rotates to drive the cutting part, a proper cutting part can be replaced immediately for cutting, and the purpose of improving the efficiency of cutting obstacles is achieved.

Drawings

Fig. 1 is a schematic view of the connection relationship between the drill body, the first mechanism and the second mechanism of the present invention;

fig. 2 is a schematic view of the connection relationship between the drill body, the second mechanism and the third mechanism of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic diagram of the transition structure driving connection cutting structure of the present invention.

In the figure: 01-a drilling machine body, 011-a guide column, 012-a base, 013-a holding device, 1-a first mechanism, 11-a drill rod, 2-a second mechanism, 21-a steel sleeve structure, 211-a cutting structure, 2111-a conversion plate, 2112-a cutting part, 21121-a fixing plate, 21122-a cone, 3-a third mechanism, 31-a drill bit, 32-a punching and grabbing structure, 321-a grabbing structure, 33-a wedge hammer, 4-a conversion mechanism, 41 a first transmission piece, 42 a second transmission piece, 5-a balance rod, a-the ground and b-an old pipe piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used only for illustrative purposes and are not to be construed as limitations of the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 to 4, the preferred embodiment of the present invention is shown.

The utility model provides a full slewing drilling machine clears away construction equipment that underground shield constructs section of jurisdiction, as shown in fig. 2 to fig. 4, this full slewing drilling machine clears away construction equipment that underground shield constructs the section of jurisdiction, including rig body 01, rig body 01 is connected with second mechanism 2, second mechanism 2 is including steel bushing tubular structure 21, rig body 01 drive steel bushing tubular structure 21 produces down pressure and moment of torsion, steel bushing tubular structure 21 has cutting structure 211 through balancing pole swing joint, cutting structure 211 can be relative through the drive of shifter 4 steel bushing tubular structure 21 activity switching position. The cutting structure 211 comprises a conversion plate 2111 and a cutting portion 2112 which are fixedly connected with each other, the conversion plate 2111 takes a balance bar 5 as a conversion fulcrum and is movably connected with each other, and the conversion mechanism 4 is in driving connection with the conversion plate 2111.

Specific embodiments are described below with respect to the corresponding schemes of the above figures:

first embodiment

Referring to fig. 1, in this embodiment, the construction equipment for removing underground shield segments by using the full-slewing drilling machine includes a drilling machine body 01, where the drilling machine body 01 includes a guide post 011, a clasping device 013, a base 012, and a driving device, the driving device is disposed in the drilling machine body, the driving device includes a motor, an oil cylinder, or an air cylinder, and the drilling machine body 01 is to be placed on a bottom surface of a new smooth foundation construction before the construction. Specifically, the base 012 supports the upper portion of the drill body 01, the guide column 011 is adjusting the height of the drill body 01, and the clasping means 013 is mainly for clasping and driving the steel casing structure 21 of the second mechanism 2. Specifically, the drilling machine body 01 is connected with a first mechanism 1, the first mechanism 1 mainly comprises a drill rod 11 used for drilling and sampling, the drill rod 11 can be driven by the oil cylinder to drill and sample in a new foundation construction range through the drill rod 11, the specific position and the burial depth of an underground old pipe piece b are determined, and the oil cylinder can be a piston type hydraulic oil cylinder used in the prior art. When the drill pipe 11 determines an old underground pipe piece b, the drill pipe 11 is arranged inside the steel sleeve pipe structure 21, the steel sleeve pipe structure 21 is positioned above the old pipe piece b to prepare for drilling, specifically, a cutting structure 211 is arranged at the bottom of the steel sleeve pipe structure 21, and the cutting structure 211 is ready to be used for drilling underground at any time.

Referring to fig. 2, the drill body 01 grips and drives the steel sleeve structure 21 of the second mechanism 2 through the gripping device 013, a cutting portion 2112 provided on the steel sleeve structure 21 includes a fixing plate 21121 and a roller 21122, one end of the fixing plate 21121 is fixedly connected to the transfer plate 2111, the other end of the fixing plate 21122 is connected to the roller 21122, one end of the fixing plate 21121 connected to the roller 21122 may be semicircular, and the roller 21122 may be disposed along a semicircular track of the fixing plate 21121. And a third mechanism 3 for crushing and removing old pipe pieces and soil bodies is arranged in the steel sleeve pipe structure 21. The third mechanism 3 comprises a drill bit 31 and a punching and grabbing structure 32, the punching and grabbing structure 32 is provided with a grabbing structure 321, the upper end of the drill bit 31 is provided with threads and is connected with an oil cylinder in the drilling machine body 01 in a driving mode, the lower end of the drill bit 31 is fixedly connected with the punching and grabbing structure 32, the punching and grabbing structure 32 is of a bucket-shaped structure, a wedge-shaped hammer 33 is arranged in the bucket-shaped structure, and the edge of an opening at the bottom is arranged in a surrounding mode to grab the grabbing structure 32.

Specifically, during construction, firstly, the obstacle on the upper part of the old pipe piece b is cut through the steel sleeve structure 21 according to the sampling hole determined by the drill rod 11, the drill body 01 is sleeved with the steel sleeve structure 21 and is checked with a drill hole and driven to drill in a new foundation construction range, and when the drill rod 11 is connected with a high-pressure water gun and drills into the upper part of the old pipe piece b, the high-pressure water is used for scattering soil around the old pipe piece b in the steel sleeve structure 21, so that the frictional resistance between the steel sleeve structure 21 and the soil is reduced. The clasping device 013 clasps and drives the steel sleeve structure 21 to move up and down, rotate forward and backward, and generate a pressing force and a torque. The cutting part 2112 arranged on the steel sleeve structure 21 cuts obstacles such as soil, rock stratum and reinforced concrete through the roller 21122, and after the obstacles are cut, the steel sleeve structure 21 drills into the position of the sampling hole determined by the drill rod 11 in a 360-degree angle mode and penetrates through the old segment b. Through steel casing tubular construction 21 cuts away the barrier layer earlier, can effectively avoid the loss of inside drilling rod 11, drill bit 31 and dash structure 32 of grabbing, ensures the straightness that hangs down of drilling rod 11 simultaneously, and then ensures the straightness that hangs down of pile body.

Referring to fig. 3 to 4, the balance bar 5 disposed at the lower portion of the steel sleeve structure 21 is used for movably connecting the cutting structure 211, and the switching plates 2111 of the cutting structure 211 are movably connected to each other with the balance bar 5 as a switching fulcrum. Specifically, both sides of the converting plate 2111 of the cutting structure 211 are movably connected with the balance bar 5. The upper end of the conversion mechanism 4 is connected with the motor in a driving manner, the lower end of the conversion mechanism 4 is connected with the cutting structure 211 or the conversion plate 2111, and the conversion plate 2111 is driven through the conversion mechanism 4, so that the conversion plate 2111 can be rotationally adjusted to replace the proper cutting part 2112 to cut the obstacle. The cutting portions 2112 may be symmetrically and fixedly connected to two ends of the converting plate 2111, and two ends of the converting plate 2111 are further connected to converting mechanisms 4 acting in different directions, or the converting mechanisms 4 connected to two ends of the converting plate 2111 are not the same and have opposite transmission directions, so as to adjust the direction of the converting plate 2111.

Referring to fig. 4, the switching mechanism 4 includes a first transmission member 41 and a second transmission member 42, the first transmission member 41 and the second transmission member 42 are vertically connected, one end of the second transmission member 42 is vertically connected to the first transmission member 41, the other end of the second transmission member 42 is connected to the switching plate 2111, and two ends of the switching plate 2111 are respectively connected to the second transmission members 42 in different transmission directions. The two ends of the conversion plate 2111 are connected with the second transmission pieces 42 which act in opposite directions, the conversion plate 2111 takes the balance plate 5 as a fulcrum and is drawn by the second transmission pieces 42 which act in opposite directions to rotate, and the rotation angle of the conversion plate 2111 is 0-180 degrees, so that the cutting parts 2112 connected with the different ends of the conversion plate 2111 are mutually rotated.

When the steel sleeve pipe structure 21 is drilled into an old pipe piece b, the drill rod 11 is utilized to completely remove soil layers in the steel sleeve pipe structure 21, then the steel sleeve pipe structure 21 is ground in sections to penetrate through the old pipe piece b, the drill bit 31 and the wedge-shaped hammer 33 arranged in the punching and grabbing structure 32 continuously impact the old pipe piece b to crush the old pipe piece b, then the crushed old pipe piece b is dug out through the punching and grabbing structure 32, and when the punching and grabbing structure 32 is used for removing the old pipe piece b, the waste soil at the bottom of a pile hole and the cleanliness of the old pipe piece b need to be ensured. The steel sleeve structure 21 generates downward pressure and torque under the driving of the clasping device 013, the steel sleeve structure 21 rotates to drill into the ground and completely sleeve the pile body for cutting operation, and the pile body is twisted off by using the friction force between the inner wall of the steel sleeve structure 21 and the pile body. The broken pile body is taken out by the punching and grabbing structure 32 and sequentially operates until the whole pile body is cleared, or the wedge-shaped hammer 33 is used for hammering along the inner wall of the steel sleeve structure 21, so that the hammer head of the wedge-shaped hammer 33 is embedded into the pile body and the steel sleeve structure 21, the steel sleeve structure 21 is rotated to break the pile body, the broken pile body is tied up by a crane and taken out, and the sequential operation is performed until the whole pile body is cleared. Then, soil is backfilled in the pile hole, the backfilled soil is tamped to the designed elevation in the process of backfilling the soil, the backfilled soil can be tamped by using the impacting and grabbing structure 32 and the drill bit 31, the weak stratum can be reinforced by using rotary jetting, and obstacles in the construction range are removed at intervals to ensure the verticality.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The construction equipment for removing the underground shield pipe piece by the full-slewing drilling machine comprises a drilling machine body and is characterized in that the drilling machine body is connected with a second mechanism, the second mechanism comprises a steel sleeve structure, the drilling machine body drives the steel sleeve structure to generate lower pressure and torque, the steel sleeve structure is movably connected with a cutting structure through a balance rod, and the cutting structure can movably convert the position relative to the steel sleeve structure through the driving of a conversion mechanism;

the cutting structure comprises a conversion plate and a cutting part which are fixedly connected with each other, the conversion plate takes a balance bar as a conversion fulcrum and is movably connected with each other, and the conversion mechanism is in driving connection with the conversion plate.

2. The construction equipment for removing underground shield segments by using the full slewing drilling machine according to claim 1, wherein the cutting parts can be symmetrically and fixedly connected to two ends of the conversion plate, the middle part of the conversion plate is movably connected with the balance rod, and two ends of the conversion plate are respectively connected with conversion mechanisms acting in different directions.

3. The construction equipment for removing underground shield segments by using the full-slewing drilling machine according to claim 2, wherein the switching mechanism comprises a first transmission piece and a second transmission piece, the first transmission piece and the second transmission piece are vertically connected, one end of the second transmission piece is vertically connected with the first transmission piece, the other end of the second transmission piece is connected with the switching plate, and two ends of the switching plate are respectively connected with the second transmission pieces with different action directions.

4. The construction equipment for removing the underground shield segments by the full slewing drilling machine according to claim 3, wherein two ends of the conversion plate are connected with the second transmission pieces which act in opposite directions, the conversion plate takes the balance plate as a fulcrum and is dragged by the second transmission pieces which act in opposite directions to rotate, and the rotation angle of the conversion plate is 0-180 degrees;

the cutting parts connected with different ends of the conversion plate are mutually rotated.

5. The construction equipment for removing underground shield segments by using the full slewing drilling machine according to claim 4, wherein the cutting part comprises a fixed plate and a roller cone, one end of the fixed plate is fixedly connected with the conversion plate, the other end of the fixed plate is connected with the roller cone, one end of the fixed plate, which is connected with the roller cone, can be designed into a semicircular shape, and the roller cone can be arranged along the semicircular track of the roller cone.

6. The full slewing drilling machine for removing underground shield segments according to claim 5, wherein the drilling machine body comprises a guide column, a holding device, a base and a driving device, and the driving device comprises a motor, an oil cylinder or an air cylinder.

7. The full slewing drilling machine for removing underground shield segments according to claim 6, further comprising a first mechanism, wherein the first mechanism comprises a drill rod, the upper end of the drill rod is in driving connection with an oil cylinder in the drilling machine body, and the lower end of the drill rod is arranged in the steel sleeve structure.

8. The full-slewing drilling machine construction equipment for removing underground shield segments according to claim 7, further comprising a third mechanism, wherein the third mechanism comprises a drill bit and a punching and grabbing structure, the punching and grabbing structure is provided with a grabbing structure, the upper end of the drill bit is provided with threads and is in driving connection with an oil cylinder in the drilling machine body, and the lower end of the drill bit is fixedly connected with the punching and grabbing structure and is arranged in the steel sleeve structure;

the punching and grabbing structure is of a bucket-shaped structure, a wedge-shaped hammer is arranged in the punching and grabbing structure, and the edge of an opening at the bottom is arranged in a surrounding mode.

9. The construction equipment for removing underground shield segments by using the full slewing drilling machine according to claim 8, wherein the clasping device clasps and connects the steel sleeve structure and drives the steel sleeve structure to move up and down, rotate forwards and rotate backwards so as to enable the steel sleeve structure to generate lower pressure and torque;

the upper end of the switching mechanism arranged in the steel sleeve structure is in driving connection with the motor, and the lower end of the switching mechanism is connected with the cutting structure.

10. The full slewing drilling machine construction equipment for removing underground shield segments according to claim 9, wherein both side surfaces of the conversion plate of the cutting structure are movably connected with the balance bar.

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