CN212508119U

CN212508119U - Inclined pile construction drill rod and drilling tool for inclined pile construction

Info

Publication number: CN212508119U
Application number: CN202021009884.4U
Authority: CN
Inventors: 位硕; 杨志权; 刘志岩
Original assignee: Beijing Sany Intelligent Technology Co Ltd
Current assignee: Beijing Sany Intelligent Technology Co Ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-02-09
Anticipated expiration: 2030-06-04

Abstract

The utility model provides a batter pile construction drilling rod and drilling tool for batter pile construction belongs to batter pile construction technical field, including drilling rod main part and right the disc, the drilling rod main part is including a plurality of sleeves that cup joint in proper order to and at the inlayer the core bar that the cover pipe endotheca was established, the one end of core bar is used for connecting the drill bit, every all overlap on the sleeve pipe and be equipped with one right the disc, right the disc the sleeve pipe with the core bar coaxial line when the drill bit creeps into construction stake hole, right the disc and be used for supporting the drilling rod main part is right the disc and is had the effect of rightting to the drilling rod main part, when making the drill bit creep into construction stake hole, supports slender type the drilling rod main part reduces the crooked probability of drilling rod main part.

Description

Inclined pile construction drill rod and drilling tool for inclined pile construction

Technical Field

The utility model relates to an batter pile construction technical field particularly, relates to a drilling tool is used in batter pile construction drilling rod and batter pile construction.

Background

In the construction of pile foundations, part of pile holes are inclined to the ground in the depth direction due to special requirements, and the pile holes are called inclined piles. When the inclined pile is constructed, the rotary drilling rig drives the drill rod to drill into the pile hole, the drill rod is longer after being completely extended, but the diameter of the drill rod is far smaller than that of the pile hole, so that the drill rod is easy to bend under the action of gravity, the pile hole is not straight, the drill rod exceeds the pile hole and the like, and the long and thin drill rod is easy to damage, so that construction loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a batter pile construction drilling rod and drilling tool for batter pile construction can effectively reduce the crooked probability of drilling rod.

The embodiment of the utility model is realized like this:

an aspect of the embodiment of the utility model provides an batter pile construction drilling rod, it includes the drilling rod main part and rights the disc, the drilling rod main part is including a plurality of sleeves that cup joint in proper order to and at the inlayer the core bar that the cover pipe endotheca was established, the one end of core bar is used for connecting the drill bit, every all the cover is equipped with one on the sleeve pipe right the disc, right the disc the sleeve pipe with the core bar coaxial line when the drill bit creeps into the construction stake hole, right the disc and be used for supporting the drilling rod main part.

Optionally, one end of the casing is provided with an end ring, the outermost casing is connected with one of the centering disks through the end ring, and the end rings of the other casings except the outermost casing are all sleeved with transition rings, and are connected with the corresponding centering disks through the transition rings.

Optionally, the length of the sleeve gradually decreases from the inner layer to the outer layer of the sleeve.

Optionally, be equipped with a plurality of protrusions on the sheathed tube outer wall along the axial in the outer muscle of outer wall, be equipped with a plurality of protrusions on the sheathed tube inner wall along the axial in the interior muscle of inner wall, just interior muscle with outer muscle setting of staggering, interior muscle is by being close to the axial extension is followed to the one end of tip ring, the inlayer sheathed tube outer muscle card is adjacent outer between two adjacent interior muscle of sheathed tube.

Optionally, one end of the sleeve, which is far away from the end circular ring, is provided with a clamping ring, the outer diameter of the clamping ring is smaller than the inner diameter of the adjacent outer sleeve, and is larger than the circumferential diameter formed by the adjacent outer sleeve and the inner ribs, and the inner sleeve is clamped on the adjacent outer sleeve by the clamping ring.

Optionally, the end ring and the sleeve are connected by bolting or welding by a weld layer.

Optionally, the centering disk and the end ring, and the centering disk, the transition ring and the end ring are connected by a pin.

Optionally, the material of the centralizing disk is hard steel.

The utility model discloses on the other hand of embodiment provides a drilling tool is used in batter pile construction, and it includes drill bit, unit head and foretell batter pile construction drilling rod, the drill bit with the core bar end connection of batter pile construction drilling rod, the unit head cover is established on the outer wall of drilling rod main part.

The utility model discloses beneficial effect includes:

the embodiment of the utility model provides a drilling tool is used in batter pile construction drilling rod and batter pile construction, the drilling rod main part includes a plurality of sleeves that cup joint in proper order to and at the core bar that the cover pipe endotheca of inlayer was established, the one end of core bar is used for connecting the drill bit, creeps into construction stake hole through the drill bit. The periphery of each sleeve is sleeved with a centering disc, the sleeves and the core rod share the same axis, and the centering disc has a centering effect on the drill rod main body, so that when a drill bit drills into a construction pile hole, the long and thin drill rod main body is supported, and the bending probability of the drill rod main body is reduced. During installation, a plurality of layers of sleeves are sequentially sleeved from the first direction in the order of increasing the inner diameter to decreasing the inner diameter, the sleeved head end of the sleeve positioned on the inner layer is clamped on the sleeved head end of the sleeve positioned on the outer layer, then the sleeved tail end of the sleeve positioned on the innermost layer is sleeved with the core rod, and finally the righting disc is sequentially sleeved on the sleeve from the sleeved tail end of the sleeve.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is one of schematic structural diagrams of an oblique pile construction drill rod provided by an embodiment of the present invention;

fig. 2 is a second schematic structural view of a drill rod for batter pile construction according to an embodiment of the present invention;

fig. 3 is a schematic view of an explosion structure of a batter pile construction drill rod provided by an embodiment of the present invention;

fig. 4 is a partial structural schematic view of a drill pipe sleeve for batter pile construction according to an embodiment of the present invention;

fig. 5 is a second partial structural view of a drill pipe sleeve for batter pile construction according to an embodiment of the present invention;

FIG. 6 is a schematic view of a partial structure of a drill rod core rod for batter pile construction provided by an embodiment of the present invention;

fig. 7 is a flow chart of a method for installing the inclined pile construction drill rod provided by the embodiment of the invention.

Icon: 10-a drill rod body; 11-a sleeve; 110-outer ribs; 111-inner ribs; 1110-card end; 112-inner rib holes; 12-end ring; 120-projection; 13-core bar; 130-hoisting structure; 14-a capture ring; 141-a bit-clamping terminal; 20-righting the disc; 30-transition ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the construction of pile foundations, part of pile holes are inclined to the ground in the depth direction due to special requirements, and the pile holes are called inclined piles. The difference between the inclined pile and the common cast-in-place bored pile is that the inclined pile is not formed by drilling downwards perpendicular to the horizontal plane, but forms a certain included angle with the vertical line of the horizontal plane.

When the inclined pile is constructed, the rotary drilling rig drives the drill rod to drill a pile hole, the drill rod is long after being completely extended, the length of the drill rod can reach dozens of meters or even hundreds of meters, but the diameter of the drill rod is far smaller than that of the pile hole, so that the drill rod is easy to bend under the action of gravity due to a long and thin structure, the pile hole is not straight, exceeds square and the like, and the long and thin drill rod is easy to damage, so that construction loss is caused.

In order to solve the problem, the utility model provides a batter pile construction drilling rod and mounting method, drilling tool for batter pile construction can effectively reduce the crooked probability of drilling rod.

Example one

Referring to fig. 1 and 2, the present embodiment provides an oblique pile construction drill rod, which includes a drill rod main body 10 and a centering disc 20, where the drill rod main body 10 includes a plurality of sleeves 11 sequentially sleeved, and a core rod 13 sleeved in the innermost sleeve 11, one end of the core rod 13 is used for connecting a drill bit, each sleeve 11 is sleeved with a centering disc 20, the sleeves 11 and the core rod 13 are coaxial, and when the drill bit drills into a construction pile hole, the centering disc 20 is used for supporting the drill rod main body 10.

The sleeve 11 has a plurality ofly, and a plurality of sleeves 11 cup joint in proper order, and a plurality of sleeves 11 coaxial line, and two arbitrary adjacent sleeves 11 can move each other along common axis.

The innermost sleeve 11 is sleeved with a core rod 13, one end of the core rod 13 is used for connecting a drill bit, and the drill bit drills into a construction pile hole to construct an inclined pile.

The number of the righting disks 20 is equal to that of the sleeves 11, each sleeve 11 is sleeved with one righting disk 20, and the righting disks 20, the sleeves 11 and the core rod 13 are coaxial.

The length of the sleeve 11 is gradually reduced from the inner layer to the outer layer, that is, in two adjacent sleeves 11, the length of the sleeve 11 in the inner layer is greater than that of the sleeve 11 in the outer layer.

Be equipped with the outer muscle 110 of a plurality of protruding outer walls along the axial on sleeve pipe 11's the outer wall, be equipped with a plurality of protrusions in the interior muscle 111 of inner wall along the axial on sleeve pipe 11's the inner wall, and interior muscle 111 and the setting of staggering of outer muscle 110, interior muscle 111 is by the one end edge axial extension that is close to tip ring 12, and inner casing 11's outer muscle 110 card is between two adjacent interior muscle 111 of adjacent outer sleeve pipe 11.

Illustratively, the inner wall of the end ring 12 is provided with a protrusion 120 protruding from the inner wall, the protrusion 120 corresponds to the inner rib 111 of the sleeve, the protrusion 120 is clamped between two adjacent outer ribs 110 on the outer wall of the sleeve 11, and the transition ring 30 is fixed to the end ring 12, so that the shape of the transition ring 30 matches the shape of the end ring 12.

Be equipped with a plurality of interior muscle holes 112 on the outer wall that sets up interior muscle 111 on sleeve pipe 11, interior muscle 111 welds on sleeve pipe 11 inner wall, and the welding rod passes interior muscle hole 112 on the outer wall of sleeve pipe 11 and stretches into in sleeve pipe 11, welds interior muscle 111 on the inner wall.

The outer ribs 110 of the inner sleeve 11 are clamped between the two inner ribs 111 of the outer sleeve 11, so that the plurality of sleeves 11 are clamped with each other.

The outer wall of the core rod 13 is also provided with a plurality of ribs protruding out of the outer wall along the axial direction, and the ribs on the outer wall of the core rod 13 are clamped with the inner ribs 111 of the innermost sleeve 11.

When the drill rod main body 10 is connected with the external equipment, the power head of the external equipment is sleeved on the outermost sleeve 11, the power head is clamped with the outer rib 110 of the outermost sleeve 11, the plurality of sleeves 11 are connected in a clamping mode through the inner rib 111 and the outer rib 110, and the torsion force of the power head is transmitted to the innermost sleeve 11 and the core rod 13 from the outermost sleeve 11 in sequence to drive the core rod 13 to drill into a construction pile hole.

Keep away from the one end of tip ring 12 on the sleeve pipe 11 and be equipped with screens ring 14, the external diameter of screens ring 14 is less than adjacent outer sleeve pipe 11's internal diameter, and is greater than the circumference diameter that muscle 111 formed in a plurality of adjacent outer sleeve pipe 11, and the drilling rod during operation, the tip of inner casing pipe 11 passes through screens ring 14 card on adjacent outer sleeve pipe 11's interior muscle 111, prevents to drop.

As shown in fig. 3, each sleeve 11 has an end ring 12 at one end and a retaining ring 14 at the other end. When the installation like this, the one end that inlayer sleeve pipe 11 was equipped with tip ring 12 is established into outer sleeve pipe 11 from the pot head that outer sleeve pipe 11 set up screens ring 14 in, outer muscle 110 card of inlayer sleeve pipe 11 is between two interior muscle 111 of outer sleeve pipe 11, when the construction is crept into, inlayer sleeve pipe 11 is along outer sleeve pipe 11 inner wall down-shifting all the time, the one end that is equipped with screens ring 14 on inlayer sleeve pipe 11 stretches into outer sleeve pipe 11 in, screens end 141 card until the screens ring 14 of inlayer sleeve pipe 11 screens ring 11 is on the card end 1110 of outer sleeve pipe 11's interior muscle 111, make inlayer sleeve pipe 11 stop moving, make inlayer sleeve pipe 11 card in outer sleeve pipe 11 through screens ring 14, avoid inlayer sleeve pipe 11 to fall out from outer sleeve pipe 11.

As shown in fig. 4, 5 and 6, a clamping ring 14 is arranged at the end of the sleeve 11, a clamping ring 14 is also arranged at the end of the core rod 13, the clamping end 141 of the clamping ring 14 is clamped at the clamping end 1110 of the inner rib 111, and the clamping end 1110 abuts against the clamping ring 14, so that the sleeve 11 connected with the clamping ring 14 is clamped on the inner rib 111 of the adjacent sleeve 11, and the inner sleeve 11 is prevented from falling out of the outer sleeve 11; the core rod 13 is clamped on the inner rib 111 of the innermost sleeve 11 to prevent the core rod 13 from falling out of the innermost sleeve 11.

The function of the righting disc 20 is that when the drill bit drills into a construction pile hole, the righting disc 20 supports the drill rod main body 10, has a righting effect on the drill rod main body 10, and avoids the bending of the long and thin drill rod main body 10, so that construction is affected.

The centering disk 20 is to bear the force of supporting the drill rod body 10, so that the centering disk 20 is made of hard steel material, so that the centering disk 20 has high rigidity and strength and good mechanical strength, and is beneficial to supporting the drill rod body 10 for a long time.

It should be noted that the centering disk 20 is of an integral circular ring structure, so that the coaxiality of the centering disk 20 and the drill rod main body 10 can be ensured, and the straightness of the drill bit for drilling a pile hole can be ensured.

The embodiment of the utility model provides a batter pile construction drilling rod, drilling rod main part 10 include a plurality of sleeve pipes 11 that cup joint in proper order to and the core bar 13 of establishing at 11 endotheca of the sleeve pipe on inlayer, the one end of core bar 13 is used for connecting the drill bit, creeps into construction stake hole through the drill bit. The periphery of each sleeve 11 is sleeved with a centering disc 20, the sleeve 11 and the core rod 13 are coaxial, and the centering disc 20 has a centering effect on the drill rod main body 10, so that when a drill bit drills into a construction pile hole, the long and thin drill rod main body 10 is supported, and the bending probability of the drill rod main body 10 is reduced.

Specifically, one end of the casing 11 is provided with an end ring 12, the outermost casing 11 is connected with one righting disc 20 through the end ring 12, the end rings 12 of the other casings 11 except the outermost casing 11 are all sleeved with transition rings 30, and the transition rings 30 are connected with the corresponding righting discs 20.

One end of each sleeve 11 is provided with an end ring 12, the end rings 12 and the sleeves 11 are fixedly connected through bolts or welded through welding layers, so that the connection is stable, the end rings 12 and the sleeves 11 are coaxial, wherein the outermost sleeve 11 is connected with the centering disk 20 through the end rings 12, namely the end rings 12 are directly connected with the centering disk 20. In addition, the righting disks 20 of other sleeves 11 are connected with the end portion ring 12 through the transition ring 30, that is, the transition ring 30 is sleeved on the end portion ring 12 of other sleeves 11, and the righting disks 20 are sleeved on the transition ring 30.

Outer sleeve pipe 11 is stretched out to the one end that sets up tip ring 12 of inlayer sleeve pipe 11, and outermost sheathed tube disc 20 of righting is installed on tip ring 12, and other sheathed tube discs 20 of righting are installed through transition ring 30 and tip ring 12, conveniently right disc 20 and every sleeve pipe 11 installation.

Since the plurality of casings 11 are sequentially sleeved, the diameters of the casings 11 decrease sequentially from the outermost layer to the innermost layer, the outermost casing 11 is directly connected to the centering disk 20 through the end ring 12, and the inner diameter of the centering disk 20 matches the outer diameter of the end ring 12 of the outermost casing 11. However, the diameter of the casing 11 at the outermost layer is gradually reduced towards the casing 11 at the inner layer, and the inner diameter of the centering disk 20 is not matched with the casing 11 with the gradually reduced inner diameter, so that a transition ring 30 needs to be arranged to fill the diameter difference, so that the centering disk 20 is connected with the end part ring 12 at the end part of each casing 11 at the inner layer through the transition ring 30, and in this way, the centering disk 20 is fixed on each casing 11 with different diameters.

Certainly, in this way, the outer diameter and the inner diameter of the transition ring 30 are matched with the end ring 12 and the centering disk 20 connected with the transition ring 30, but the transition ring 30 is smaller than the centering disk 20, so the cost for changing the size of the transition ring 30 is lower, the processing is more convenient, and when the centering disk 20 is not installed, the end rings 12 and the transition rings 30 of other sections of casing pipes 11 are fixed except for the outermost casing pipe 11 and the core rod 13, and then the drilling requirement is met as the drilling requirement of a conventional drill rod.

Because the outer wall of the casing 11 is provided with a plurality of outer ribs 110 protruding from the outer wall along the axial direction, the transition ring 30 and the end part ring 12 are arranged in a shape matched with the outer ribs 110, so that the connection is tight.

Between disc 20 and the tip ring 12 rights to and between disc 20, the transition ring 30 and the tip ring 12 rights all through the round pin hub connection, and the round pin hub connection makes things convenient for the dismouting, and locking nature is good, and the security is high.

Illustratively, as shown in fig. 3, in this embodiment, the number of the casings 11 is 2, the end of the outer casing 11 is connected to a centering disk 20 through an end ring 12, the inner casing 11 is sleeved inside the outer casing 11, the end ring 12 of the inner casing 11 is connected to a centering disk 20 through a transition ring 30, the core rod 13 is sleeved inside the inner casing 11, one end of the core rod 13 is provided with a connector for mounting and connecting to a drill bit, the connector is provided with a rectangular connecting position, and the connecting position is connected to the drill bit through a mounting hole thereon.

In summary, the batter pile construction drill rod provided by the embodiment includes a drill rod main body 10 and an integral type righting disc 20, the drill rod main body 10 includes a plurality of sleeves 11 and a core bar 13 which are sequentially sleeved, the core bar 13 is arranged in the innermost sleeve 11, any two adjacent sleeves 11 are coaxially sleeved and can move along a common axis, and the length of the inner sleeve 11 between the adjacent sleeves 11 is greater than that of the outer sleeve 11. The sleeve 11 is connected with an end ring 12 at the lower end, and the inner and outer contours of the end ring 12 are matched with the end surface contour of the sleeve 11. The righting disk 20 is of an integral annular structure. Except for the outermost sleeve 11, the end part rings 12 of the other sleeves 11 are sleeved with a transition ring 30, the inner profile of the transition ring 30 is the outer profile of the end part ring 12, and the outer profile of the transition ring 30 is the inner profile of the righting disc 20. During assembly, the inner layer sleeve 11 is sequentially sleeved into the outer layer sleeve 11 from top to bottom, all the transition rings are sleeved from the lower end of the core rod 13 and penetrate into the rod from bottom to top, and except the outermost sleeve, the end rings of the rest sleeves are connected with the transition rings. The end part circular ring 12 at the end part of the sleeve 11 and the righting disc 20 are both precision-machined parts, the matching precision is high, the coaxiality of the righting disc 20 and the drill rod main body 10 can be ensured, and the straightness of a pile hole is ensured. Except for the casing 11 at the outermost side, the transition ring 30 is established to the tip ring 12 overcoat of all the other casings 11, connects through transition ring 30 and centering disc 20, through increasing transition ring 30, guarantees that the installation order of each part of drilling rod main part 10 and drilling rod main part 10 structure are unchangeable, and after the drilling rod main part 10 was assembled, centering disc 20 can directly embolia the drilling rod from supreme down and fix, and maneuverability is strong. The end part circular ring 12, the transition circular ring 30 and the righting circular disc 20 are connected through pin shafts, so that the looseness prevention performance is good, and the safety is high.

The embodiment of the utility model also discloses a drilling tool is used in batter pile construction, including drill bit, unit head and the batter pile construction drilling rod as above embodiment, 13 end connection of core bar of drill bit and batter pile construction drilling rod, the unit head cover is established on the outer wall of drilling rod main part 10, and the outer muscle 110 joint on the sleeve pipe 11 outer wall, the unit head drives drilling rod main part 10 and twists reverse to make the drill bit creep into the construction stake hole, creep into the construction.

The drilling tool for the inclined pile construction comprises the same structure and beneficial effects as the inclined pile construction drilling rod in the previous embodiment. The structure and the beneficial effects of the batter pile construction drill rod have been described in detail in the foregoing embodiments, and are not described in detail herein.

Example two

As shown in fig. 7, the present embodiment provides an installation method of a batter pile construction drill rod, including:

s100: the plurality of layers of sleeves 11 are sequentially sleeved from the first direction in the order of increasing the inner diameter to decreasing the inner diameter, the sleeves 11 in the inner layer are sleeved from the sleeved head ends of the sleeves 11 in the inner layer to the sleeved head ends of the sleeves 11 in the adjacent outer layer, and the sleeves 11 in the inner layer are clamped in the sleeves 11 in the outer layer in the two adjacent sleeved sleeves 11.

In fig. 1, the first direction is from top to bottom, i.e. the direction indicated by the arrow, that is, one end of the sleeve 11 where the end ring 12 is arranged is used as a sheathing end (the lower side in fig. 1), and the other end is used as a sheathing head end (the upper side in fig. 1). Embolia the head end and lie in the first direction, follow first direction, establish inlayer sleeve pipe 11 to the head end cover of emboliaing of outer sleeve pipe 11 in proper order, make inlayer sleeve pipe 11 card in outer sleeve pipe 11, the end of emboliaing of inlayer sleeve pipe 11 stretches out the end of emboliaing of outer sleeve pipe 11, is about to the inlayer sleeve pipe 11 from top to bottom the cover establish install in outer sleeve pipe 11, accomplish a plurality of sleeve pipe 11's cover in proper order and establish.

S110: the core rod 13 is sleeved from the sleeved tail end of the innermost sleeve 11 to the innermost sleeve 11.

The core rod 13 is sleeved from bottom to top, and after the core rod 13 is sleeved into the casing 11 at the innermost layer, a hoisting structure 130 is arranged at one end sleeved into the head end and used for hoisting by external equipment, so that the whole drill rod main body 10 is hoisted.

The outer wall of the core rod 13 is provided with a plurality of ribs protruding out of the outer wall along the axial direction, the sleeved head end of the core rod 13 is provided with a clamping ring 14, the outer diameter of the clamping ring 14 is smaller than the inner diameter of the innermost sleeve 11 and larger than the circumferential diameter formed by the inner ribs 111 of the innermost sleeve 11, and the core rod 13 is clamped on the inner ribs 111 of the innermost sleeve 11 through the clamping ring 14, so that the core rod 13 is prevented from falling out of the innermost sleeve 11.

When the core rod 13 is installed, the core rod 13 is installed from bottom to top in fig. 1, the innermost sleeve 11 is sleeved with the core rod 13 from the bottom, after the core rod 13 is positioned at one end sleeved with the head end and extends out of the innermost sleeve 11, the clamping ring 14 and the hoisting structure 130 are installed at the upper end of the core rod 13.

S120: the sleeve 11 is sleeved with the righting disc 20 from the sleeved end of the sleeve 11.

The sleeve is installed from bottom to top, a righting disc 20 is firstly sleeved on the outermost sleeve 11 from the sleeved end of the sleeve 11, then the righting disc 20 is sleeved on the inner layer sleeve 11 layer by layer in sequence and is fixed through a pin shaft, and a transition ring 30 is also sleeved in a matching manner before the inner layer sleeve 11 is sleeved on the righting disc 20.

The drill rod main body 10 is sleeved in the sleeve, the installation sequence of the drill rod main body 10 and the structure of the drill rod main body 10 are guaranteed to be unchanged, after the drill rod main body 10 is assembled, the righting disc 20 can be sleeved in the drill rod main body 10 from bottom to top (the tail end is sleeved in the sleeve head end) to be fixed, and the operability is high.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an batter pile construction drilling rod, its characterized in that includes drilling rod main part and rights disc, the drilling rod main part is including a plurality of sleeves that cup joint in proper order to and at the inlayer the core bar that the sleeve pipe endotheca was established, the one end of core bar is used for connecting the drill bit, every all the cover is equipped with one on the sleeve pipe right disc, sleeve pipe and core bar coaxial line, when the drill bit creeps into construction stake hole, right disc is used for supporting the drilling rod main part.

2. A batter pile construction drill rod according to claim 1, wherein one end of the casing pipe is provided with an end ring, the outermost casing pipe is connected with one of the centralizing discs through the end ring, and the other end rings of the casing pipes except the outermost casing pipe are sleeved with transition rings, and are connected with the corresponding centralizing discs through the transition rings.

3. A batter pile construction drill rod according to claim 1, wherein the length of the casing pipe decreases progressively from the inner layer to the outer layer of the casing.

4. The batter pile construction drill rod according to claim 2, wherein a plurality of outer ribs protruding from the outer wall are axially arranged on the outer wall of the sleeve, a plurality of inner ribs protruding from the inner wall are axially arranged on the inner wall of the sleeve, the inner ribs and the outer ribs are staggered, the inner ribs extend axially from one end close to the end ring, and the outer ribs of the sleeve on the inner layer are clamped between two adjacent inner ribs of the sleeve on the adjacent outer layer.

5. A batter pile construction drill rod according to claim 4, wherein one end of the sleeve, which is far away from the end circular ring, is provided with a clamping ring, the outer diameter of the clamping ring is smaller than the inner diameter of the sleeve of the adjacent outer layer and larger than the circumferential diameter formed by the inner ribs of the sleeve of the adjacent outer layer, and the sleeve of the inner layer is clamped on the inner ribs of the sleeve of the adjacent outer layer through the clamping ring.

6. A batter pile construction drill rod according to claim 2, wherein said end rings and said sleeves are bolted or welded by welding.

7. An oblique pile construction drill rod according to claim 2, wherein the centralizing disc and the end ring, and the centralizing disc, the transition ring and the end ring are connected through pin shafts.

8. A batter pile construction drill rod according to claim 1, wherein the material of the righting disc is hardened steel.

9. A drilling tool for batter pile construction is characterized by comprising a drill bit, a power head and the batter pile construction drill rod as claimed in any one of claims 1 to 8, wherein the drill bit is connected with the end part of a core rod of the batter pile construction drill rod, and the power head is sleeved on the outer wall of a drill rod main body.