CN216110563U - Efficient auger drill connector - Google Patents

Abstract

The utility model relates to an efficient auger drill connector, comprising: the lifting part is rotatably arranged at the upper end of the equipment body; the drill bit part is rotatably arranged at the upper end of the lifting part; the lifting part comprises: the device comprises an angle cylinder, a rotating disc, a supporting frame, a contraction assembly and a lifting assembly, wherein the rotating disc is rotatably arranged on the device body, and the supporting frame is fixed on the rotating disc; the lower end of the contraction component is rotatably arranged on the support frame, and the lifting component is arranged in the contraction component; one end of the angle cylinder is fixed on the support frame, and the other end of the angle cylinder is hinged to the outer wall of the contraction assembly; when the angle cylinder pushes the contraction assembly, the synchronous driving lifting assembly can vertically erect the drill bit. Through setting up lift portion and drill bit portion, not only solved the lift arm and raised and retrieve the slow problem of speed, still solved the problem that auger bit damaged the change, greatly reduced use cost.

Description

Efficient auger drill connector

Technical Field

The utility model relates to the technical field of spiral drilling machines, in particular to a high-efficiency spiral drilling machine connector.

Background

Application No.: CN201320720545.0, publication No.: CN204002581U, long auger drilling machine and long auger drilling machine stand device, this utility model relates to stake machine machinery, in particular to long auger drilling machine and long auger drilling machine stand device. The long spiral drilling machine comprises a stand column, wherein a supporting and limiting structure used for supporting and limiting the stand column in the drilling process is arranged on the stand column. By adopting the long spiral drilling machine, the oil leakage phenomenon caused by large unbalance loading of the supporting leg oil cylinder can be avoided, and the stability of the upright post and the supporting leg oil cylinder is improved.

The preparation work of the spiral drilling machine before piling is more, the spiral drilling machine needs to be erected firstly, and the stand column device in the prior art is complex in structure and complicated in operation, a large amount of time is wasted in erecting the spiral drilling machine, and accidents often occur most easily in the erecting and recycling processes of the spiral drilling machine. The drill bit of the long spiral drilling machine has high probability of meeting rocks in a soil layer under the ground due to deeper piling, and the drill bit is particularly easy to abrade and damage with the rocks, so that the working progress of the spiral drilling machine is influenced, and the working efficiency is reduced; the maintenance of the drill bit requires a special lathe, which is time consuming and labor intensive, and it is therefore necessary to develop an efficient auger connector.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a connector of a spiral drilling machine with high efficiency to solve the technical problems that the support operation of an upright column of the spiral drilling machine is complex and the maintenance of a damaged drill bit wastes time and labor in the prior art.

In order to achieve the above object, an embodiment of the present invention provides an efficient auger connector, including:

the device comprises a drill bit part, a lifting part and a device body, wherein the device body is a movable platform, and the lifting part is rotatably arranged at the upper end of the device body;

the drill bit part is rotatably arranged at the upper end of the lifting part and is suitable for piling and drilling holes to the ground;

the lifting part includes: the device comprises an angle cylinder, a rotating disc, a supporting frame, a contraction assembly and a lifting assembly, wherein the rotating disc is rotatably arranged on the device body, and the supporting frame is fixed on the rotating disc;

the retraction assembly is rectangular, the retraction assembly is hollow, the lower end of the retraction assembly is rotatably arranged on the support frame, and the lifting assembly is arranged in the retraction assembly;

one end of the angle cylinder is fixed on the support frame, and the other end of the angle cylinder is hinged to the outer wall of the contraction assembly; wherein

When the angle cylinder pushes the contraction assembly, the lifting assembly is synchronously driven to vertically erect the drill bit part.

Preferably, the retraction assembly comprises: the angle adjusting device comprises a first contraction rod, a second contraction rod, a third contraction rod and a fourth contraction rod, wherein the first contraction rod is arranged on the inner side of the second contraction rod, the second contraction rod is arranged on the inner side of the third contraction rod, the third contraction rod is arranged on the inner side of the fourth contraction rod, the fourth contraction rod is rotatably arranged on the support frame, and the upper end of the angle cylinder is hinged to the outer wall of the fourth contraction rod.

Preferably, the lifting assembly comprises: the first pushing cylinder is arranged inside the third shrinkage rod, one end of the first pushing cylinder is vertically fixed on the inner bottom wall of the third shrinkage rod, one end of the first piston rod is vertically fixed on the inner bottom wall of the fourth shrinkage rod, and the other end of the first piston rod is slidably arranged in the first pushing cylinder;

the movable pulley is arranged at the upper end of the first pushing cylinder, the steel cable is arranged at one end of the movable pulley, and two ends of the steel cable are respectively fixed to the inner bottom wall of the fourth contraction rod and the inner bottom wall of the second contraction rod; wherein

When the first pushing cylinder pushes the third contraction rod to lift upwards, the steel cable can synchronously drive the second contraction rod to lift upwards.

Preferably, the lifting assembly further comprises: the second pushing cylinder is arranged inside the second contraction rod, one end of the second pushing cylinder is vertically fixed to the inner bottom wall of the second contraction rod, one end of the second piston rod is vertically fixed to the outer bottom wall of the first contraction rod, and the other end of the second piston rod is slidably arranged in the second pushing cylinder; wherein

The second pushing cylinder can drive the first contraction rod to ascend or contract.

Preferably, the upper ends of the inner walls of the second, third and fourth telescopic rods are respectively provided with a fixed shaft, and two ends of the fixed shaft are respectively fixed on two side walls of the second, third and fourth telescopic rods;

the outer wall of the fixed shaft is rotatably sleeved with a rolling wheel, and the outer wall of the rolling wheel is respectively attached to the outer walls of the first contraction rod, the second contraction rod and the third contraction rod;

the lower ends of the outer walls of the first telescopic rod, the second telescopic rod and the third telescopic rod are respectively provided with an oil storage block, the side wall of the oil storage block is slidably provided with a trigger rod, and the side wall of the oil storage block is provided with an oil injection port;

the trigger rod is linked with the oil injection port, and the trigger rod and the oil injection port face the rolling wheel; wherein

When the oil storage block and the rolling wheel move oppositely, the rolling wheel can push the trigger rod to slide upwards so that the oil injection port sprays lubricating oil.

Preferably, the upper end of the bit part is fixed to the upper end of the first contraction rod, and the bit part includes: the drilling rod is columnar, one side of each of the helical blades is fixed to the outer wall of the drilling rod, and the helical blades extend to the other end of the drilling rod from one end of the drilling rod in a rotating and surrounding mode;

the tip component is detachably arranged at the lower end of the drill rod, and the horizontal projection diameter of the tip component is smaller than that of the helical blade;

the plurality of hard tapping components are detachably arranged at the lower end of the helical blade, and the horizontal height of each hard tapping component is gradually increased from inside to outside; wherein

The drill rod is rotated, and the tip component and the tapping component can sequentially drill into the ground.

Preferably, the tip assembly comprises: the drill bit comprises a fixed column, a positioning block and a plurality of blades, wherein the fixed column is an inverted cone, the fixed column is arranged at the lower end of the drill bit rod, and the diameter of the fixed column is smaller than that of the drill bit rod;

the positioning block is fixed at the upper end of the fixing column and is in a cross shape;

the blades are spirally and annularly fixed on the outer wall of the fixing column.

Preferably, the lower end surface of the drill rod is provided with a groove matched with the positioning block, the outer wall of the drill rod is provided with a first threaded hole, the positioning block can be inserted into the groove in a clamping mode, and the fixing column is fixed at the lower end of the drill rod through a bolt.

Preferably, the nut assembly comprises: the positioning plate is rectangular, two second threaded holes are formed in the positioning plate, one end of the positioning plate is fixed on the lower bottom surface of the helical blade in a threaded mode, and the other end of the positioning plate protrudes out of the helical blade;

the tapping plate is fixed at one end, far away from the helical blade, of the positioning plate, and the upper end face of the tapping plate is a cambered surface; wherein

The tapping plate can sequentially drill into the ground from inside to outside and drives the helical blades to drill into the ground.

Preferably, the tapping and fastening assembly further comprises a guide plate, the guide plate is fixed on the upper end face of the positioning plate, and the upper end face of the guide plate is a cambered surface; the front end of the guide plate is attached to the tapping plate, and the rear end of the guide plate is attached to the end face of the helical blade.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects: the utility model provides an efficient auger drill connector is provided with four sections collapsible arms in the shrink arm, and only need two cylinders can drive each shrink arm rather than three, has alleviateed the holistic weight of shrink arm, and each shrink arm coupling part is provided with lubricated mechanism simultaneously, and lubricating mechanism can paint lubricating oil to the shrink arm when the shrink arm opens, reduces the frictional force between the shrink arm to accelerate the lifing and retrieve speed, improve complete machine job stabilization nature. Simultaneously, the drill bit part adopts a split type design, and the spiral drill bit is divided into a combined piece with a tip component, a plurality of spiral blades and a plurality of tapping components, so that the problem that the whole spiral drill bit needs to be replaced once the front end of the drill bit is damaged in the integral spiral drill bit in the prior art is solved, and the use cost is greatly reduced.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 shows a schematic of the construction of a screw drill of the present invention for the piling effect;

FIG. 2 shows a perspective view of the lift of the present invention;

FIG. 3 shows a longitudinal cross-sectional view of the retraction assembly and the lift assembly of the present invention;

FIG. 4 shows a schematic structural view of the bit portion of the present invention;

FIG. 5 shows a schematic of the construction of the tip assembly of the present invention;

FIG. 6 illustrates a schematic structural view of the tapping assembly of the present invention;

figure 7 shows a perspective view of the positioning plate of the utility model.

In the figure:

1. drilling a head part; 10. a drill rod; 101. a first threaded hole;

11. a tip assembly; 110. fixing a column; 111. positioning blocks; 112. a blade; 12. a helical blade;

14. a tapping assembly; 141. positioning a plate; 1411. a second threaded hole; 142. tapping and strengthening the plate; 143. a baffle;

2. an apparatus body;

3. a lifting part; 31. an angle cylinder; 32. rotating the disc; 33. a support frame;

34. a retraction assembly; 341. a first retracting lever; 342. a second retracting lever; 343. a third retracting lever; 344. A fourth retracting lever; 345. a fixed shaft; 346. a rolling wheel; 347. an oil storage block; 348. a trigger lever; 349. An oil injection port;

35. a lifting assembly; 351. a first pushing cylinder; 352. a first piston rod; 353. a movable pulley; 354. a steel cord; 355. a second pushing cylinder; 356. a second piston rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1 to 7, an efficient auger connector includes: the device comprises a drill bit part 1, a lifting part 3 and a device body 2, wherein the device body 2 is a movable platform, the device body 2 is an engineering machine, other components can be installed on the device body 2, the lifting part 3 does not provide driving power, the drill bit part 1 is installed at the end part of the lifting part 3, and the drill bit part 1 can be in contact with the ground and can break apart part of hard objects through a spiral drill bit. The lifting part 3 is rotatably arranged at the upper end of the equipment body 2; the drill bit part 1 is rotatably arranged at the upper end of the lifting part 3, and the drill bit part 1 is suitable for piling holes on the ground; the above components are described in detail below.

Device body 2

The equipment body 2 is a movable platform, the main part of the equipment body 2 is similar to the shape and the function of an engineering vehicle, the equipment body 2 comprises a bottom walking mechanism and a disc base arranged above the walking mechanism, and the walking mechanism has the basic function of a common vehicle. The disc base sets up running gear top central point puts, just a pivot groove has been seted up at disc base center, the disc base is the mounting base of the shown lift shrink arm of this embodiment, the disc base with 2 fixed connection of equipment body, the disc base still have one with the disc base rotates the control room of being connected, the control room is suitable for operating personnel to advance and stay to each part operation is operated, just the trilateral window of control room can guarantee that the field of vision is wide.

Drill bit part 1

The upper end of the bit part 1 is fixed to the upper end of the first telescopic rod 341, and the bit part 1 includes: the drill bit comprises a drill bit rod 10, a tip component 11, a plurality of spiral blades 12 and a plurality of tapping components 14, wherein the drill bit rod 10 is a main body component of a spiral drill bit and is positioned at the center of the spiral drill bit, and meanwhile, the drill bit stem is also a mounting base of other components; a tip assembly 11 is positioned at the lower end of the drill stem, the tip assembly 11 can first make contact with the ground and break open the hard object of the contact part with the rotation of the auger bit; the helical blade 12 is provided with a plurality of helical blades 12, the helical blades 12 are arranged on the side wall of the drill stem, can follow the tip assembly 11 to enter the ground, can widen the broken part of the tip assembly 11, and can return soil to the bottom surface along the helical blades 12; the tapping assembly 14 is also provided with a plurality of tapping assemblies 14, the tapping assemblies 14 are arranged below the helical blade 12, and the tapping assemblies 14 circumferentially protrude out of the helical blade 12.

Lifting part 3

Lift portion 3 is installed 2 tops of equipment body, the concrete expression does lift portion 3 is installed disc base up end, the control cabin side, lift portion 3 with disc base fixed connection. The elevating portion 3 is adapted to position the drill bit to a proper position through an operation of an operator lifting and retracting, and is embodied such that the elevating portion 3 can rotate with the disc base when the operator manipulates the disc base to rotate.

The following describes the structure of the lifting unit 3 in detail, and the lifting unit 3 includes: the device comprises an angle cylinder 31, a rotating disc 32, a supporting frame 33, a contraction assembly 34 and a lifting assembly 35, wherein the diameter of the outer circle of the rotating disc 32 is the same as that of the outer circle of the disc base, a rotating shaft fixedly connected with the rotating disc 32 is coaxially arranged at the bottom of the rotating disc 32, and the rotating disc 32 is inserted into a rotating shaft groove (not shown in the figure) through the rotating shaft, so that the rotating disc 32 can be rotatably arranged on the device body 2. The supporting frame 33 is fixed on the upper end surface of the rotating disc 32.

Retraction assembly 34

The inside cavity of shrink subassembly 34, just the rotatable setting of shrink subassembly 34 lower extreme is in on the support frame 33, shrink subassembly 34 can shrink in length direction to the height and the position of auger bit, lift subassembly 35 sets up inside shrink subassembly 34, lift subassembly 35 can drive under operating personnel's operation shrink subassembly 34 is flexible, angle cylinder 31 one end is fixed on the support frame 33, the angle cylinder 31 other end articulates in shrink subassembly 34 outer wall, angle cylinder 31 can promote shrink subassembly 34 rotates around support frame 33, wherein when angle cylinder 31 pushes away shrink subassembly 34, synchronous drive lift subassembly 35 can with shrink subassembly 34 pushes away to the assigned height.

It should be noted that the retraction assembly 34 generally has a plurality of sections, and the lifting assembly 35 is provided with a cylinder or a hydraulic cylinder between two adjacent sections of the retraction assembly 34, and when the retraction assembly 34 needs to be pushed by the cylinder or the hydraulic cylinder to sequentially ascend, but when the retraction assembly 34 has more than three sections, the lifting assembly 35 needs to be provided with a plurality of corresponding groups of cylinders or hydraulic cylinders, so that the overall weight of the retraction assembly 34 is greatly improved, the working stability of the whole machine is reduced, and meanwhile, after being repeatedly retracted, the two adjacent sections of the retraction assembly 34 are worn, and the friction force during retraction is increased. In order to solve the above problem, the following scheme may be adopted.

The retraction assembly 34 specifically comprises: the telescopic device comprises a first contraction rod 341, a second contraction rod 342, a third contraction rod 343 and a fourth contraction rod 344, wherein the first contraction rod 341 is arranged on the inner side of the second contraction rod 342, the second contraction rod 342 is arranged on the inner side of the third contraction rod 343, and the third contraction rod 343 is arranged on the inner side of the fourth contraction rod 344, which is characterized in that each contraction rod gradually decreases in cross section from the position close to the support frame 33 to the position far away from the support frame 33, and the contraction rod with the smaller cross section is nested in the contraction rod with the larger cross section. The fourth contraction rod 344 is rotatably arranged on the support frame 33, the end of the angle cylinder 31 is hinged to the outer wall of the fourth contraction rod 344, and the angle cylinder 31 can stretch and retract to push the fourth contraction rod 344 to rotate around the support frame 33.

In order to reduce the friction force when the contraction rods slide relatively, the upper ends of the inner walls of the second contraction rod 342, the third contraction rod 343 and the fourth contraction rod 344 are respectively provided with a fixed shaft 345, the two ends of the fixed shaft 345 are respectively fixed on the two side walls of the second contraction rod 342, the third contraction rod 343 and the fourth contraction rod 344, meanwhile, the outer wall of the fixed shaft 345 is rotatably sleeved with a rolling wheel 346, and the outer wall of the rolling wheel 346 is respectively attached to the outer walls of the first contraction rod 341, the second contraction rod 342 and the third contraction rod 343. When two adjacent contraction rods slide relatively, the rolling wheel 346 can rotate around the fixing shaft 345 and roll along the contraction rods at the same time, and the scheme can convert the sliding friction of the two adjacent contraction rods when sliding relatively into rolling friction, thereby effectively reducing the friction force of the contraction rods when sliding relatively.

In order to further reduce the friction force when the contraction rods slide relatively, the lower ends of the outer walls of the first contraction rod 341, the second contraction rod 342 and the third contraction rod 343 are respectively provided with an oil storage block 347, meanwhile, the side wall of the oil storage block 347 is slidably provided with a trigger rod 348, the side wall of the oil storage block 347 is provided with an oil injection port 349, the trigger rod 348 is linked with the oil injection port 349, and the trigger rod 348 and the oil injection port 349 both face the rolling wheel 346. When the oil storage block 347 and the rolling wheel 346 move towards each other, the rolling wheel 346 can push the trigger rod 348 to slide upwards to enable the oil spraying opening 349 to spray lubricating oil, specifically, when each contraction rod contracts, the rolling wheel 346 rolls towards the oil storage block 347, pushes the trigger rod 348 to slide upwards and enables the oil spraying opening 349 to spray lubricating oil, so that the surface of the rolling wheel 346 is stained with lubricating oil, when each contraction rod ascends, the rolling wheel 346 rolls away from the oil storage block 347, and the lubricating oil is smeared on the outer wall of each contraction rod, so that the friction force when each contraction rod slides relatively is effectively reduced.

Lifting assembly 35

The lifting assembly 35 specifically includes: a first pushing cylinder 351, a first piston rod 352, a movable pulley 353 and a cable 354, wherein the first pushing cylinder 351 is disposed inside the third contraction rod 343, one end of the first pushing cylinder 351 is vertically fixed to the inner bottom wall of the third contraction rod 343, and a circular hole is formed in the inner bottom wall of the third contraction rod 343, one end of the first piston rod 352 is vertically fixed to the inner bottom wall of the fourth contraction rod 344, the other end of the first piston rod 352 passes through the circular hole and is slidably disposed in the first pushing cylinder 351, because the first piston rod 352 and the first pushing cylinder 351 are respectively fixed to the fourth contraction rod 344 and the third contraction rod 343, when the first piston rod 352 slides outwards along the inner wall of the first pushing cylinder 351, the first piston rod 352 can push the bottom end of the fourth contraction rod 344 to separate from the bottom end of the fourth contraction rod 344, thereby achieving the effect of ascending the fourth contraction rod 344 and the third contraction rod 343, and when the first piston rod 352 slides in the opposite direction, the effect of contracting the fourth contraction rod 344 and the third contraction rod 343 can be achieved. In addition, the movable pulley 353 is disposed at the upper end of the first pushing cylinder 351, the cable 354 is disposed at one end of the movable pulley 353, specifically, two ends of the cable 354 are respectively fixed to the inner bottom wall of the fourth contraction rod 344 and the inner bottom wall of the second contraction rod 342, when the first pushing cylinder 351 pushes the third contraction rod 343 to lift, the cable 354 on the upper side of the movable pulley 353 is tensioned, so as to drive the movable pulley 353 to roll clockwise, so as to drive the cable 354 to move along the movable pulley 353 to the upper side, and simultaneously the cable 354 on the lower side of the movable pulley 353 is tensioned, and the second contraction rod 342 is pulled to lift, so that the effect that the cable 354 drives the second contraction rod 342 to lift upwards synchronously is achieved.

In order to drive the first retracting rod 341 to ascend or retract, the lifting assembly 35 further includes: the second pushing cylinder 355 is disposed inside the second retracting rod 342, one end of the second pushing cylinder 355 is vertically fixed to the inner bottom wall of the second retracting rod 342, one end of the second piston rod 356 is vertically fixed to the outer bottom wall of the first retracting rod 341, and the other end of the second piston rod 356 is slidably disposed in the second pushing cylinder 355. The second pushing cylinder 355 can drive the first contraction rod 341 to ascend or contract.

The working process of the lifting and contracting arm for the spiral drilling machine comprises the steps of firstly driving the equipment body 2 to the position near the appointed working position of the spiral drilling machine, extending each supporting leg out of two sides of the equipment body 2, enabling the equipment body 2 to be in a parking state by contacting with the ground, then rotating the rotating disc 32 to enable the lifting part 3 to be just opposite to the appointed working position of the spiral drilling machine, and then adjusting the relative angle between the lifting part 3 and the appointed working position of the spiral drilling machine through the angle cylinder 31. After the adjustment is completed, the first pushing cylinder 351 is operated, so that the first piston rod 352 pushes the third contraction rod 343 and the fourth contraction rod 344 to separate, and simultaneously the cable 354 on the upper side of the movable pulley 353 is tensioned to drive the movable pulley 353 to roll clockwise, so that the cable 354 is driven to move upwards along the movable pulley 353, and simultaneously the cable 354 on the lower side of the movable pulley 353 is tensioned, and the second contraction rod 342 is pulled away from the third contraction rod 343, so that the third contraction rod 343 and the fourth contraction rod 344 are lifted synchronously. When the third and fourth contraction rods 343 and 344 have been raised, the second push cylinder 355 operates to push the second piston rod 356 to push the first contraction rod 341 away from the second contraction rod 342. The effect of driving each retracting rod to ascend is achieved by providing a retracting assembly 34 and a lifting assembly 35.

Drill rod 10

The drill rod 10 is a main body component of the auger bit, the drill rod 10 is columnar, the drill rod 10 is solid inside, the drill rod 10 is located at the center of the auger bit, the drill rod 10 can axially rotate during working and axially advance downwards, the main functions of the drill rod are to transmit torque and convey drilling fluid, a borehole is continuously deepened by gradual lengthening of the drill rod, and meanwhile, as the auger bit usually drills hard rocks, the drill rod 10 must be capable of bearing huge internal and external pressure, torsion, bending and vibration, so that the drill rod 10 can be used for multiple times without being easily damaged in the working process. In addition, the quick-connection drill bit for the auger machine is designed in a split mode, and the drill bit stem is also an installation base piece of other parts.

In order to connect and fix the drill rod 10 and an upper driving member (not shown in the figures), a plurality of locking blocks, preferably not four in number, are fixed at the upper end of the drill rod 10, and are annularly fixed on the outer wall of the drill rod 10 at equal intervals, and the locking blocks are suitable for fixing the drill rod 10 on a driving shaft. After the installation is completed, the driving shaft can drive the drill rod 10 to rotate around the shaft, and meanwhile, the driving shaft can push the drill rod 10 to move downwards.

Helical blade 12

One side of each of the helical blades 12 is fixed on the outer wall of the drill rod 10, the helical blades 12 extend to the other end of the drill rod 10 from one end of the drill rod 10 in a rotating and surrounding mode, when the drill rod 10 rotates and drills into the ground, the helical blades 12 can drill into the ground along with the drill rod 10, the drilling part of the drill rod 10 is widened, the drilling part meets engineering requirements, and soil can return to the bottom surface along the helical blades 12. Meanwhile, in order to disperse damage caused by overlarge stress on the front part of the spiral blade 12 during drilling, the number of the spiral blades 12 is two, the two spiral blades 12 are axially arranged at intervals along the drill rod 10, and the pitch between the two spiral blades 12 is kept equal.

It should be pointed out that, among the prior art, the auger bit often meets various terranes in the in-process of pile driving, and the drill bit often collides with the friction with the rock and can lead to the drill bit wearing and tearing to destroy, especially the front end of drill bit damages most easily, and the auger bit among the prior art mostly is integrated into one piece, and it is troublesome to restore behind the damage of drill bit front end, and the majority is the auger bit of direct renewal, therefore great improvement use cost.

Tip assembly 11

A tip component 11 is arranged below the drill bit rod 10, when the drill bit rod 10 drills into the ground, the tip component 11 can protect the drill bit rod 10 and the helical blade 12, when the tip component 11 is damaged, only the corresponding damaged tip component 11 needs to be replaced, and the whole helical drill does not need to be replaced. The tip assembly 11 is detachably disposed at the lower end of the drill rod 10, and the horizontally projected diameter of the tip assembly 11 is smaller than that of the helical blade 12, so that the effect of the disposition is that the tip assembly 11 is disposed at the lower end of the drill rod 10, when the drill rod 10 rotates downwards, the tip assembly 11 can first contact with the ground, which causes the tip assembly 11 to give a larger pressure to break hard rock for drilling purpose, and therefore the horizontally projected diameter of the tip assembly 11 should be smaller than that of the helical blade 12.

The structure of the tip assembly 11 will be described in detail below, and the tip assembly 11 includes: the drill bit comprises a fixing column 110, a positioning block 111 and a plurality of blades 112, wherein the fixing column 110 is in an inverted cone shape, specifically, the diameter of the bottom surface of one end, close to the drill bit rod 10, of the fixing column 110 is larger, the diameter of the bottom surface of one end, far away from the drill bit rod 10, of the fixing column 110 is smaller, the end with the larger diameter of the bottom surface is suitable for installing the fixing column 110, and the end with the smaller diameter of the bottom surface is suitable for drilling holes by matching with the plurality of blades 112. The fixing post 110 is disposed at a lower end of the drill rod 10, and a diameter of the fixing post 110 is smaller than a diameter of the drill rod 10. The positioning block 111 is fixed at the upper end of the fixing column 110, the positioning block 111 is cross-shaped, a threaded hole is formed in the center of each of the four outer side walls of the positioning block 111, and the positioning block 111 is suitable for fixedly connecting the tip assembly 11 to the drill rod 10. The plurality of blades 112 are spirally and annularly fixed on the outer wall of the fixed column 110, and the blades 112 function similarly to the spiral blades 12, and can assist the drill rod 10 in drilling rocks and widening the aperture.

In order to facilitate the fixed connection between the positioning block 111 and the drill rod 10, a groove adapted to the positioning block 111 is formed in the lower end surface of the drill rod 10, meanwhile, a first threaded hole 101 is formed in the outer wall of the drill rod 10, and the size and the position of the first threaded hole 101 correspond to those of threaded holes formed in the four side walls of the positioning block 111. The positioning block 111 can be inserted into the groove in a clamping manner, and the fixing column 110 is fixed at the lower end of the drill rod 10 through a bolt.

Attack the firm subassembly 14

In order to solve the above problem, the following scheme may be adopted. Adopt split type design, set up a tip subassembly 11 in drill bit pole 10 below, be in simultaneously helical blade 12 lower extreme sets up a plurality of hard subassemblies 14 of attacking, works as when drill bit pole 10 is bored into the ground, tip subassembly 11 with attack hard subassembly 14 and can protect respectively drill bit pole 10 with helical blade 12 works as tip subassembly 11 or when attacking hard subassembly 14 and damaging, only need to change and correspond the damage tip subassembly 11 or attack hard subassembly 14 can, and need not to change whole helical bit.

The structure of the nut assembly 14 is described in detail below, and the nut assembly 14 specifically includes: the positioning plate 141 is rectangular, two second threaded holes 1411 are formed in the positioning plate 141, and the positioning plate 141 is suitable for being mounted and fixed on the lower bottom surface of the helical blade 12, specifically, one end of the positioning plate 141 is fixed on the lower bottom surface of the helical blade 12 through the second threaded hole 1411, and the other end of the positioning plate 141 protrudes out of the helical blade 12. The hard tapping plate 142 is fixed the locating plate 141 is kept away from the one end of helical blade 12, just the up end of hard tapping plate 142 is the radian face, will the up end of hard tapping plate 142 sets up the purpose into the radian face and prevents when hard tapping plate 142 drills into the ground, whole page is direct and hard thing contact and causes hard tapping plate 142 fracture, the radian face in the upper end of hard tapping plate 142 can guide hard tapping plate 142 is continuous and hard thing contact from the outside in to the dispersion atress, hard tapping plate 142 can drill into ground and drive in proper order from inside to outside helical blade 12 drills into the ground.

In order to make the nut screwing component 14 protrude the helical blade 12 and the upper end face of the helical blade 12 is continuously connected, the nut screwing component 14 further comprises a guide plate 143, the guide plate 143 is fixed on the upper end face of the positioning plate 141, the upper end face of the guide plate 143 is a cambered surface, specifically, one end of the guide plate 143 close to the helical blade 12 is tangent to the helical blade 12, the front end of the guide plate 143 is attached to the nut screwing plate 142, and the rear end of the guide plate 143 is attached to the end face of the helical blade 12.

In order to facilitate the fixed connection between the tapping plate 142 and the positioning plate 141, two connecting blocks are radially fixed at one end of the tapping plate 142 close to the positioning plate 141, the two connecting blocks and the tapping plate 142 are U-shaped, and meanwhile, two side walls of the deflector 143 are respectively provided with a fixing groove, and the connecting blocks are respectively inserted into the fixing grooves.

The quick-connection drill bit for the auger machine works in such a way that when a driving mechanism (not shown in the figure) pushes a drill bit rod 10 to rotate around a shaft and move downwards, the tip assembly 11 can firstly contact with the bottom surface and drill a hard object through a blade 112 to continue moving downwards, then the tapping assembly 14 contacts with the bottom surface and radially widens the drill hole diameter along the drill hole drilled by the blade 112, and simultaneously the spiral blade 12 is guided to further widen the drill hole, so that the drilling effect of the drill bit is realized, and when the drill bit rod 10 returns, soil materials which are separated in the drill hole can return to the bottom surface along the spiral blade 12, so that the soil materials can be prevented from burying the drill hole again after the drill bit rod 10 completely exits the drill hole. Meanwhile, the quick-connection drill bit for the spiral drilling machine adopts a split type design, the tip component 11 and the attack component 14 respectively protect the drill rod 10 and the spiral blade 12, and when the tip component 11 or the attack component 14 is used, only a damaged part needs to be replaced, and the whole spiral drill bit does not need to be replaced.

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 and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (10)

1. An efficient auger connector, comprising:

the device comprises a drilling head part (1), a lifting part (3) and a device body (2), wherein the device body (2) is a movable platform, and the lifting part (3) is rotatably arranged at the upper end of the device body (2);

the drill bit part (1) is rotatably arranged at the upper end of the lifting part (3), and the drill bit part (1) is suitable for piling holes on the ground;

the lifting unit (3) includes: the device comprises an angle cylinder (31), a rotating disc (32), a supporting frame (33), a contraction assembly (34) and a lifting assembly (35), wherein the rotating disc (32) is rotatably arranged on the device body (2), and the supporting frame (33) is fixed on the rotating disc (32);

the retraction assembly (34) is rectangular, the retraction assembly (34) is hollow, the lower end of the retraction assembly (34) is rotatably arranged on the support frame (33), and the lifting assembly (35) is arranged inside the retraction assembly (34);

one end of the angle cylinder (31) is fixed on the support frame (33), and the other end of the angle cylinder (31) is hinged to the outer wall of the contraction assembly (34); wherein

When the angle cylinder (31) pushes the contraction assembly (34), the lifting assembly (35) is synchronously driven to vertically erect the drill bit part (1).

2. An efficient auger connector according to claim 1,

the retraction assembly (34) comprises: a first contraction rod (341), a second contraction rod (342), a third contraction rod (343) and a fourth contraction rod (344), wherein the first contraction rod (341) is arranged at the inner side of the second contraction rod (342), the second contraction rod (342) is arranged at the inner side of the third contraction rod (343), the third contraction rod (343) is arranged at the inner side of the fourth contraction rod (344), the fourth contraction rod (344) is rotatably arranged on the support frame (33), and the upper end of the angle cylinder (31) is hinged at the outer wall of the fourth contraction rod (344).

3. An efficient auger connector according to claim 2,

the lifting assembly (35) comprises: a first pushing cylinder (351), a first piston rod (352), a movable pulley (353) and a steel cable (354), wherein the first pushing cylinder (351) is arranged inside the third contraction rod (343), one end of the first pushing cylinder (351) is vertically fixed on the inner bottom wall of the third contraction rod (343), one end of the first piston rod (352) is vertically fixed on the inner bottom wall of the fourth contraction rod (344), and the other end of the first piston rod (352) is slidably arranged in the first pushing cylinder (351);

the movable pulley (353) is arranged at the upper end of the first pushing cylinder (351), the steel cable (354) is arranged at one end of the movable pulley (353), and two ends of the steel cable (354) are respectively fixed on the inner bottom wall of the fourth contraction rod (344) and the inner bottom wall of the second contraction rod (342); wherein

When the first pushing cylinder (351) pushes the third contraction rod (343) to lift upwards, the steel cable (354) can synchronously drive the second contraction rod (342) to lift upwards.

4. An efficient auger connector according to claim 3,

the lifting assembly (35) further comprises: a second pushing cylinder (355) and a second piston rod (356), wherein the second pushing cylinder (355) is arranged inside the second contraction rod (342), one end of the second pushing cylinder (355) is vertically fixed on the inner bottom wall of the second contraction rod (342), one end of the second piston rod (356) is vertically fixed on the outer bottom wall of the first contraction rod (341), and the other end of the second piston rod (356) is slidably arranged on the second pushing cylinder (355); wherein

The second pushing cylinder (355) can drive the first contraction rod (341) to ascend or contract.

5. An efficient auger connector according to claim 4,

the upper ends of the inner walls of the second contraction rod (342), the third contraction rod (343) and the fourth contraction rod (344) are respectively provided with a fixed shaft (345), and two ends of the fixed shaft (345) are respectively fixed on two side walls of the second contraction rod (342), the third contraction rod (343) and the fourth contraction rod (344);

a rolling wheel (346) is rotatably sleeved on the outer wall of the fixed shaft (345), and the outer wall of the rolling wheel (346) is respectively attached to the outer walls of the first contraction rod (341), the second contraction rod (342) and the third contraction rod (343);

the lower ends of the outer walls of the first contraction rod (341), the second contraction rod (342) and the third contraction rod (343) are respectively provided with an oil storage block (347), the side wall of the oil storage block (347) is slidably provided with a trigger rod (348), and the side wall of the oil storage block (347) is provided with an oil injection port (349);

the trigger rod (348) is linked with the oil injection port (349), and the trigger rod (348) and the oil injection port (349) face the rolling wheel (346); wherein

When the oil storage block (347) and the rolling wheel (346) move towards each other, the rolling wheel (346) can push the trigger rod (348) to slide upwards so that the oil injection port (349) sprays lubricating oil.

6. An efficient auger connector according to claim 5,

the upper end of the bit part (1) is fixed to the upper end of the first telescopic rod (341), and the bit part (1) comprises: the drilling machine comprises a drilling rod (10), a pointed end assembly (11), a plurality of spiral blades (12) and a plurality of tapping assemblies (14), wherein the drilling rod (10) is columnar, one sides of the spiral blades (12) are fixed on the outer wall of the drilling rod (10), and the spiral blades (12) rotate from one end of the drilling rod (10) to extend to the other end of the drilling rod (10) in a surrounding mode;

the tip component (11) is detachably arranged at the lower end of the drill rod (10), and the horizontal projection diameter of the tip component (11) is smaller than that of the spiral blade (12);

the plurality of tapping assemblies (14) are detachably arranged at the lower end of the helical blade (12), and the horizontal height of each tapping assembly (14) is gradually increased from inside to outside; wherein

Rotating the drill rod (10), the point assembly (11) and the tapping assembly (14) can drill into the ground in sequence.

7. An efficient auger connector according to claim 6,

the tip assembly (11) comprises: the drilling tool comprises a fixed column (110), a positioning block (111) and a plurality of blades (112), wherein the fixed column (110) is in an inverted cone shape, the fixed column (110) is arranged at the lower end of the drilling head rod (10), and the diameter of the fixed column (110) is smaller than that of the drilling head rod (10);

the positioning block (111) is fixed at the upper end of the fixing column (110), and the positioning block (111) is cross-shaped;

the blades (112) are spirally and annularly fixed on the outer wall of the fixing column (110).

8. An efficient auger connector according to claim 7,

the lower end face of the drill rod (10) is provided with a groove matched with the positioning block (111), the outer wall of the drill rod (10) is provided with a first threaded hole (101), the positioning block (111) can be inserted into the groove in a clamping mode, and the fixing column (110) is fixed to the lower end of the drill rod (10) through a bolt.

9. An efficient auger connector according to claim 8,

the nut assembly (14) comprises: the positioning plate (141) is rectangular, two second threaded holes (1411) are formed in the positioning plate (141), one end of the positioning plate (141) is fixed to the lower bottom surface of the helical blade (12) in a threaded mode, and the other end of the positioning plate (141) protrudes out of the helical blade (12);

the tapping plate (142) is fixed at one end, far away from the helical blade (12), of the positioning plate (141), and the upper end face of the tapping plate (142) is a cambered surface; wherein

The tapping plate (142) can sequentially drill into the ground from inside to outside and drives the helical blades (12) to drill into the ground.

10. An efficient auger connector according to claim 9,

the tapping and fastening assembly (14) further comprises a guide plate (143), the guide plate (143) is fixed on the upper end face of the positioning plate (141), and the upper end face of the guide plate (143) is a cambered surface; the front end of the guide plate (143) is attached to the tapping plate (142), and the rear end of the guide plate (143) is attached to the end face of the helical blade (12).

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