CN218117728U - Soil taking device and drilling machine - Google Patents

Abstract

The application provides a device and rig of fetching earth. Wherein, the soil sampling device comprises a drill cylinder, a drill rod and a drill bit; the drill cylinder comprises two side cylinder bodies which are correspondingly arranged; the two side cylinder bodies are enclosed into a drilling cylinder cavity for containing earth and stones; the top ends of the two side cylinder bodies are movably connected, and the bottom ends are detachably connected through a first connecting assembly; the top end of the drill rod extends out of the drilling barrel cavity, and the bottom end of the drill rod is inserted into the drilling barrel cavity along the vertical direction; the top end of the drill cylinder is detachably connected with the drill rod through a second connecting assembly; the drill barrel can move relative to the drill rod along the vertical direction; the drill bit sets up in the bottom of drilling rod. When the drilling drum is spirally pressed downwards for drilling, the drilling drum and the drill rod rotate together to press downwards to screw the soil body into the drilling drum; when the soil is abandoned, the drilling barrel is separated from the drill rod and lifted to the ground, and the drilling barrel and the abandoned soil are opened; and after soil abandoning is finished, the drilling cylinder is closed, the drilling cylinder is placed to the bottom of the hole, and the rotary drilling cylinder is locked with the drill rod, and then the circular drilling is continued to take soil. This application can satisfy construction under the low headroom operating mode through changing the combination form of drilling rod with boring a section of thick bamboo.

Description

Soil taking device and drilling machine

Technical Field

The application relates to a mechanical equipment technology under low headroom construction environment, in particular to a soil sampling device and a drilling machine.

Background

When underground engineering construction such as construction of the existing high-speed railway, urban pipe galleries and the like is carried out, a lower penetrating section is generally constructed by a shield method; the shield method construction needs to be provided with an isolation pile to reduce the influence of the shield tunnel construction on the existing high-speed railway bridge pile. The clearance of 4m can be achieved after the foundation trench is excavated under the high-speed railway bridge, and the construction working conditions of low clearance and narrow construction site are achieved, so that the condition that soil is taken out in holes during drilling construction is limited.

In the prior art, a rotary drilling rig is mostly used for taking earth in holes, and commonly used rotary drilling rig drills are a rotary drilling bucket, a spiral drill and a barrel drill; firstly, the rotary drilling bucket is a closed drilling barrel, a diamond bit is embedded on a bottom plate of the drilling barrel, and the rotary drilling bucket is provided with a single opening and two openings according to a soil unloading mode; the bottom of the single-opening type drilling bucket is provided with a door capable of being opened and closed, and the door is closed when drilling and soil taking are carried out and opened when soil is abandoned; the double-opening type drilling bucket is of a two-petal type, a drilling barrel is formed by closing during drilling, and the two petals are opened to abandon soil during abandoning soil. The spiral drill bit is a circular drill rod with spiral fan blades; when the spiral drill bit drills downwards, soil is clamped between the spiral fan blades, and the soil is taken out by the spiral fan blades through lifting the drill bit. And thirdly, the cylindrical drill bit is provided with an opening at the bottom, and the diamond drill bit is embedded in the lower edge of the drill cylinder. The drum type drill bit drilling type diamond drill bit cuts rock and soil layers, soil and stones are screwed into the drum to be clamped, the drill rod is lifted to bring the soil and stones out of the hole, and the vibration drill drum drills the drum with the soil Dan Huangchu. When the three drill bits are used for taking earth, the drill bits are lifted and pressed down along with the drill rod, the drill rod with a certain length is required to meet the earth taking depth, and the height of the conventional rotary drilling equipment is 8-10 m and above.

In view of this, the present application is specifically proposed.

SUMMERY OF THE UTILITY MODEL

In order to solve one of the technical defects, the embodiment of the application provides a soil sampling device and a drilling machine.

According to a first aspect of the embodiments of the present application, there is provided an earth-taking device, comprising a drill barrel, a drill rod and a drill bit;

the drilling barrel comprises two side barrel bodies which are correspondingly arranged; the two side cylinder bodies are enclosed into a drilling cylinder cavity for containing earth and stones; the top ends of the two side cylinder bodies are movably connected, and the bottom ends are detachably connected through a first connecting assembly;

the top end of the drill rod extends out of the drilling barrel cavity, and the bottom end of the drill rod is inserted into the drilling barrel cavity along the vertical direction; the top end of the drill cylinder is detachably connected with the drill rod through a second connecting assembly; the drill barrel can move relative to the drill rod along the vertical direction;

the drill bit is arranged at the bottom end of the drill rod.

According to a second aspect of embodiments of the present application, there is provided a drilling rig comprising:

the soil sampling device;

the winch is connected with the soil sampling device and used for driving the drill cylinder to lift;

the top end of the drill rod is connected with the pressing platform, and the pressing platform is used for driving the drill rod to lift;

the rotating mechanism is arranged on the pressing platform and connected with the soil taking device; the drill pipe is used for driving the drill pipe to rotate; and the drill rod rotates to the state that the drill barrel is locked and is used for driving the drill rod and the drill barrel to rotate to take soil.

Adopt the device and the rig of fetching earth that provide in this application embodiment, compare in prior art, have following technological effect:

the application provides a soil sampling device which comprises a drill cylinder, a drill rod and a drill bit; the drilling barrel comprises two side barrel bodies which are correspondingly arranged; the two side cylinder bodies are enclosed into a drilling cylinder cavity for containing earth and stones; the top ends of the two side cylinder bodies are movably connected, and the bottom ends are detachably connected through a first connecting assembly; the top end of the drill rod extends out of the drilling barrel cavity, and the bottom end of the drill rod is inserted into the drilling barrel cavity along the vertical direction; the top end of the drill cylinder is detachably connected with the drill rod through a second connecting assembly; the drill barrel can move relative to the drill rod along the vertical direction; the drill bit sets up in the bottom of drilling rod. When the drilling drum is spirally pressed downwards for drilling, the drilling drum and the drill rod rotate together to press downwards to screw the soil body into the drilling drum; when the soil is abandoned, the drilling barrel is separated from the drill rod and lifted to the ground, and the drilling barrel and the abandoned soil are opened; after the soil abandoning is finished, the drilling barrel is closed, the drilling barrel is put to the bottom of the hole, and the rotary drilling barrel is locked with the drill rod, and then the circular drilling is continued to take soil; construction under the low clearance working condition can be met by changing the combination form of the drill rod and the drill cylinder.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of an earth borrowing device according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a driving section of a drill barrel according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a drill bit and drill rod mounting structure provided in an embodiment of the present application;

fig. 4 is a bottom view of the soil sampling device provided in the embodiments of the present application;

fig. 5 is a schematic view illustrating an opened state of a drill cylinder of the soil sampling device according to the embodiment of the present application;

fig. 6 is a schematic view illustrating a drill barrel lifting state of the soil sampling device according to the embodiment of the present application.

The drawings are numbered as follows:

1. drilling a barrel; 101. a side cylinder body; 111. a side cylinder body; 112. a side cylinder top; 102. an arc-shaped opening; 2. a drill stem; 3. a drill bit; 4. a drill cylinder cavity; 5. clamping tenons; 6. a drill barrel drive section; 601. a clamping hole; 611. a first side wall; 612. a middle sidewall; 613. a second side wall; 602. a first through hole; 7. a plug pin ear plate; 701. a pin hole; 8. drilling teeth; 9. opening the bottom opening part; 10. closing the bottom opening part; 11. the drill cylinder lifts by crane the festival.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Fig. 1 is a schematic structural view of an earth borrowing device according to an embodiment of the present application; FIG. 2 is a schematic structural diagram of a driving section of a drill barrel according to an embodiment of the present disclosure; FIG. 3 is a schematic view of a drill bit and drill rod mounting structure provided in an embodiment of the present application; fig. 4 is a bottom view of a soil sampling device provided in an embodiment of the present application; fig. 5 is a schematic view illustrating an opened state of a drill cylinder of the soil sampling device according to the embodiment of the present application; fig. 6 is a schematic view illustrating a drill cylinder lifting state of the soil sampling device according to the embodiment of the present application.

In a specific implementation mode, the soil taking device is suitable for soil drilling construction of a downward penetrating section when a high-speed railway bridge is penetrated through an existing simply supported girder bridge; the high-speed railway bridge can be vertically penetrated with the existing simply supported beam bridge or obliquely penetrated.

The scheme of the soil sampling device is specifically explained below by taking a high-speed railway bridge and an existing simply supported girder bridge as an example of vertical underpass. The solution provided by the present embodiment is also applicable to slant downward threading.

As shown in fig. 1 to 6, in the present embodiment, an earth borrowing device is provided, which includes a drill barrel 1, a drill rod 2 and a drill bit 3. The drill barrel 1 comprises two side barrel bodies 101 which are correspondingly arranged; the two side cylinders 101 are enclosed into a drilling cylinder cavity 4 for accommodating earth and stones; two side barrel 101 top swing joint, the bottom is through first connecting elements detachably connection. The top end of the drill rod 2 extends out of the drilling barrel cavity 4, and the bottom end of the drill rod is inserted into the drilling barrel cavity 4 along the vertical direction; the top end of the drill barrel 1 is detachably connected with the drill rod 2 through a second connecting component; the drill barrel 1 can move relative to the drill rod 2 along the vertical direction; the drill bit 1 is arranged at the bottom end of the drill rod.

In the implementation, when the drilling barrel 1 is spirally pressed downwards for drilling, the drilling barrel 1 and the drill rod 2 rotate together to press downwards to screw soil and stones into the barrel; when the soil is abandoned, the drilling cylinder 1 is separated from the drill rod 2 and lifted to the ground, and the drilling cylinder and the soil are opened; after the soil abandoning is finished, the drilling barrel is closed, the drilling barrel is put to the bottom of the hole, and the rotary drilling barrel is locked with the drill rod, and then the circular drilling is continued to take soil; the combination form that drilling rod 2 and drill barrel 1 can be dismantled and be connected can satisfy the construction under the low headroom operating mode.

As shown in fig. 2 to 3, as an embodiment of the present application, the second connecting component includes two tenons 5 and a drill bit driving joint 6. The two tenons 5 are symmetrically arranged on the outer surface of the drill rod 2.

The drill barrel driving joint 6 is arranged at the top end of the drill barrel 1; the drill barrel driving section 6 is provided with a first through hole 602 for the drill rod 2 and the clamping tenon 5 to vertically pass through, and two opposite side walls of the first through hole 602 respectively expand towards the direction far away from the first through hole 602 to form a clamping hole 601; the drill rod 2 can rotate along a first direction to enable the clamping tenon 5 to enter the clamping hole 601 from the first through hole 602 and be clamped in the clamping hole 601, so that the drill rod 2 is locked on the drill cylinder driving section 6; or the drill rod 2 is rotated in a second direction to move the catch 5 from the catch hole 601 into the first through hole 602 to unlock the drill rod 2.

In the locking state, the clamping tenon 5 is tightly matched with the clamping hole 601 so as to fix the drill rod 2 on the drill cylinder driving section 6; in the unlocked state, the trip 5 rotates to be matched with the first through hole 602, and the trip 5 moves relative to the drill barrel driving section 6 along the vertical direction.

In specific implementation, the drilling barrel driving section 6 is arranged at the top end of the drilling barrel 1, the top ends of the two side barrel bodies 101 are movably connected to the drilling barrel driving section 6, and the drilling barrel driving section 6 is hinged with the side barrel bodies 101 to realize the opening and locking of the two side barrel bodies 101; other connection modes capable of realizing card punching and locking can also be adopted.

In specific implementation, the clamping tenon 5 is tightly matched with the clamping hole 601, and the drill rod 2 and the drill cylinder driving section 6 are fixed in a locking state through a matching structure of the clamping tenon 5 and the clamping hole 601.

In implementation, the drill rod 2 provided with the clamping tenon 5 passes through the first through hole 602 and extends along the vertical direction; rotating the clamping tenon 5 to two clamping holes 601 to lock the drill rod 2 to the drill barrel driving section 6; the tenon 5 is turned to the two first through holes 602 to separate the drill rod 2 from the drill barrel drive section 6.

As shown in fig. 2, as an embodiment of the present application, the card hole 601 includes a first sidewall 611, a middle sidewall 612 and a second sidewall 613.

One side of the first sidewall 611 is connected to the middle sidewall 612, and the other side is connected to the first through hole 602 at one side of the fastening hole 601; the included angle between the first side wall 611 and the first through hole 602 is larger than the included angle between the first side wall 611 and the middle side wall 612, so that a transition surface for the tenon to rotate along the first side wall 611 into the first through hole 602 is formed.

One side of the second sidewall 613 is vertically connected to the other end of the middle sidewall 612, and the other side is vertically connected to the first through hole 602 on the other side of the locking hole 601, so as to form a limiting surface for limiting the one-way rotation of the locking tenon 5.

As a specific embodiment of the present application, an included angle between the first sidewall 611 and the first through hole 602 is set to be an obtuse angle; the first sidewall 611 forms a right angle with the intermediate sidewall 612. In an implementation, the transition surface formed by the first side wall 611 and the limiting surface formed by the second side wall 613 enable the tenon 5 to rotate only in one direction between the clamping hole 601 and the first through hole 602.

In operation, as shown in fig. 2, the left side of the middle sidewall 612 is the first sidewall 611, and the right side of the middle sidewall 612 is the second sidewall 613; when the clamping tenon 5 rotates along the first direction, that is, the clamping tenon 5 rotates clockwise, the clamping tenon 5 rotates along the transition surface formed by the first side wall 611 to the clamping hole 601 for clamping, and the limiting surface formed by the second side wall 612 limits the clamping tenon 5 to continue rotating. When the trip 5 is turned in the second direction, i.e. counterclockwise, the trip is turned along the transition surface to the first through hole 602, the locking is released, and the drill pipe 2 can move up and down relative to the drill rod 2.

As shown in fig. 1 to 5, as a specific embodiment of the present application, the top ends of the two side cylinders 101 are respectively provided with an arc-shaped opening 102, and the two arc-shaped openings 102 are correspondingly arranged and enclose a passage for the drill rod 2 to pass through.

As shown in fig. 1 and 5, as a specific embodiment of the present application, the first connection assembly includes a pin ear plate 7 and a fixing pin which are correspondingly disposed. The bolt ear plates 7 are respectively arranged at the joint of the two side cylinder bodies 101; the bolt ear plate 7 is provided with a bolt hole 701; in the connected state, the two bolt holes 701 are coaxial; fixing pins are inserted into the two pin holes 701 to fixedly couple the two side cylinders 101.

In specific implementation, the side barrels 101 are combined, the fixing bolts are inserted into the two bolt holes 701 to fixedly connect the two side barrels 101, and soil is taken after the drill barrel 1 is placed to the drill bit 3; after the soil taking operation is completed, the fixing bolt on the drill cylinder 1 is pulled out, the drill cylinder 1 is opened, and the soil in the cylinder is unloaded on the mud guard.

As shown in fig. 4 to 6, as a specific embodiment of the present application, a plurality of drill teeth 8 are provided at intervals at the bottom end of the side cylinder 101, and the drill teeth 8 are arranged in an arc shape along the bottom end of the side cylinder 101 to form a drill teeth group; the drilling tooth groups of the two side cylinders 101 are respectively arranged at two sides of the drill rod 2, and an open bottom opening part 9 and a closed bottom opening part 10 are formed by taking the drill rod 2 as an axis. The arrangement of the drill teeth 8 can effectively dig hard earth and stones; meanwhile, an open bottom opening part 9 and a closed bottom opening part 10 are formed by taking the drill rod 2 as an axis, and a gathering force is formed when the earth and the stone are dug, so that the earth and the stone are gathered in the drilling barrel cavity 4.

In order to further increase the soil-cutting capacity of the drill bit 3, the drill bit 3 is of a conical shape; the bottom surface of the drill bit 3 is connected to the bottom end of the drill rod 2.

As a specific embodiment of the present application, the drill pipe hoisting joint 11 is further included; the drill cylinder lifting joint 11 is arranged on the top surface of the drill cylinder driving joint 6, and the top end of the drill rod 2 extends out of the drill cylinder lifting joint 11 and is used for being connected with external lifting equipment.

As a specific embodiment of the present application, the side cylinder 101 includes a side cylinder body 111 and a side cylinder top 112, and a bottom end of the side cylinder top 112 is connected to a top end of the side cylinder body 112; two side cylinder tops 112 are surrounded to form a tapered cylinder top with a narrow top and a wide bottom.

As a specific embodiment of the present application, the cross section of the drill rod 2 is circular; the cross-section of the drill rod 2 may also be rectangular.

As a specific embodiment of the present application, a drilling machine is provided, which includes the soil sampling device, a winch, a pressing platform, and a rotating mechanism. The winch is connected with the soil sampling device and used for driving the drill cylinder 1 to lift; the top end of the drill rod 2 is connected with a lower pressing platform, and the lower pressing platform is used for driving the drill rod 2 to lift; the rotating mechanism is arranged on the pressing platform and connected with the soil taking device; for driving the drill rod 2 in rotation; the drill rod 2 rotates to the state that the drill barrel 1 is locked, and is used for driving the drill rod 2 and the drill barrel 1 to rotate to take soil.

In specific implementation, the winch is connected to the drill barrel lifting joint 11 of the soil sampling device, and further drives the drill barrel 1 to lift. It should be noted that the hoisting machine may be replaced by other devices having a lifting function.

In the concrete implementation, the lifting device for driving the pressing platform to lift is further arranged, and the top end of the drill rod 2 is connected to the pressing platform and lifts along with the pressing platform; the pressing platform is provided with a rotating mechanism, and the rotating mechanism is connected with the drill rod 2 and used for controlling the rotation of the drill rod 2. The rotating mechanism can be a rotating motor or other equipment with a rotating function.

As shown in fig. 1 to fig. 6, in concrete implementation, the construction steps of the embodiment of the present application are as follows:

(1) Installing a drill bit 3 at the bottom end of the drill rod 2, installing the drill cylinder 1 at the outer side of the drill rod 2, and installing the top end of the drill rod 2 to the pressing platform;

(2) The downward pressing platform descends to drive the drill rod 2 and the drill bit 3 to descend to the soil sampling surface;

(3) The winch drives the drill cylinder 1 to descend to the position of the clamping tenon 5;

(4) The rotating mechanism rotates the drill rod 2 clockwise, so that the clamping tenon 5 on the drill rod 2 is clamped into a clamping hole reserved in the drill cylinder driving section 6, and the drill rod 2 and the drill cylinder 1 are locked.

(5) The downward pressing platform descends, the rotating mechanism continues to rotate clockwise, the drill rod 2 and the drill barrel 1 are spirally downward pressed, and soil is screwed into the drill barrel 1.

(6) After the drill barrel 1 is filled with soil, the drill rod 2 is rotated anticlockwise, and the clamping tenon 5 and the drill barrel 1 are unlocked, so that the drill rod 2 and the drill barrel 1 are separated;

(7) The winch lifts the drill cylinder 1 to the hole;

(8) Closing the hole opening by using a mudguard;

(9) Pulling out a fixing pin of the drill cylinder 1, opening the drill cylinder 1, and unloading soil in the cylinder onto a mud guard;

(10) And (5) removing the mud guard with soil, combining the drill cylinders 1, installing a fixing pin, and locking and closing the drill cylinders 1.

And repeating the step 2 to the step 10.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (10)

1. An earth borrowing device, comprising:

the drilling barrel comprises two side barrel bodies which are correspondingly arranged; the two side cylinder bodies are enclosed into a drilling cylinder cavity for containing earth and stones; the top ends of the two side cylinder bodies are movably connected, and the bottom ends are detachably connected through a first connecting assembly;

the drill rod is inserted into the drill cylinder cavity along the vertical direction, and the top end of the drill rod extends out of the drill cylinder cavity; the top end of the drill cylinder is detachably connected with the drill rod through a second connecting assembly; the drill barrel can move relative to the drill rod along the vertical direction;

the drill bit is arranged at the bottom end of the drill rod.

2. The earthmoving apparatus of claim 1, wherein said second connection assembly comprises:

the two clamping tenons are symmetrically arranged on the outer surface of the drill rod;

the drill cylinder driving joint is arranged at the top end of the drill cylinder; the drill cylinder driving section is provided with a first through hole for the drill rod and the clamping tenon to vertically pass through, and two opposite side walls of the first through hole are respectively expanded towards the direction far away from the first through hole to form a clamping hole; the drill rod can rotate along a first direction to enable the clamping tenon to enter the clamping hole from the first through hole and be clamped in the clamping hole so as to lock the drill rod on the drill cylinder driving section; or the drill rod rotates along the second direction to enable the clamping tenon to enter the first through hole from the clamping hole so as to unlock the drill rod.

3. The earth-moving device of claim 2 wherein the card aperture comprises a first side wall, a middle side wall, and a second side wall;

one side of the first side wall is connected with the middle side wall, and the other side of the first side wall is connected with the first through hole at one side of the clamping hole; the included angle between the first side wall and the first through hole is larger than that between the first side wall and the middle side wall, and a transition surface is formed when the clamping tenon rotates into the first through hole along the first side wall;

one side of the second side wall is vertically connected with the other end of the middle side wall, and the other side of the second side wall is vertically connected with the first through hole on the other side of the clamping hole to form a limiting surface for limiting the unidirectional rotation of the clamping tenon.

4. The soil sampling device as claimed in claim 1, wherein the top ends of the two side cylinders are respectively provided with an arc-shaped opening, and the two arc-shaped openings are correspondingly provided with a channel defined for the drill rod to pass through.

5. The earth sampling device of claim 1 wherein the first coupling assembly comprises:

the bolt ear plates are correspondingly arranged and are respectively arranged at the connecting parts of the two side cylinder bodies; the bolt ear plate is provided with a bolt hole; in the connection state, the two bolt holes are coaxial;

and the fixing bolts are inserted into the two bolt holes so as to fixedly connect the two side cylinders.

6. The soil sampling device as claimed in claim 1, wherein a plurality of drilling teeth are arranged at intervals at the bottom end of the side cylinder body, and the drilling teeth are arranged along the bottom end of the side cylinder body in an arc shape to form a drilling tooth group; the drilling tooth groups of the two side barrels are respectively arranged on two sides of the drill rod, and an open bottom opening part and a closed bottom opening part are formed by taking the drill rod as an axis.

7. The earth sampling device of claim 1 wherein the drill bit is cone-shaped; the bottom surface of the drill bit is connected to the bottom end of the drill rod.

8. The earth-moving apparatus of claim 2, further comprising:

the drill cylinder lifting joint is arranged on the top surface of the drill cylinder driving joint, and the top end of the drill rod extends out of the drill cylinder lifting joint and is used for being connected with external lifting equipment.

9. The soil sampling device of claim 1, wherein the side cylinder comprises a side cylinder body and a side cylinder top, and the bottom end of the side cylinder top is connected with the top end of the side cylinder body; the tops of the two side cylinder barrels are surrounded to form a tapered barrel top with a narrow top and a wide bottom.

10. A drilling rig, comprising:

the earthmoving apparatus of any one of claims 1 to 9;

the winch is connected with the soil sampling device and used for driving the drill cylinder to lift;

the top end of the drill rod is connected with the pressing platform, and the pressing platform is used for driving the drill rod to lift;

the rotating mechanism is arranged on the pressing platform, connected to the drill rod and used for driving the drill rod to rotate; and rotating the drill rod to a state of locking with the drill barrel to enable the drill rod and the drill barrel to rotate for soil sampling.

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