CN218150995U - Rod end device for realizing synchronous footage of coupled rotation of anchor rod and drill rod - Google Patents

Rod end device for realizing synchronous footage of coupled rotation of anchor rod and drill rod Download PDF

Info

Publication number
CN218150995U
CN218150995U CN202222893176.7U CN202222893176U CN218150995U CN 218150995 U CN218150995 U CN 218150995U CN 202222893176 U CN202222893176 U CN 202222893176U CN 218150995 U CN218150995 U CN 218150995U
Authority
CN
China
Prior art keywords
anchor rod
rod
flat plate
drill
anchor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222893176.7U
Other languages
Chinese (zh)
Inventor
岳粹洲
黄昌富
姚铁军
杨宇友
刘中欣
李安杰
栾焕强
田国文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway 15th Bureau Group Co Ltd
Original Assignee
China Railway 15th Bureau Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway 15th Bureau Group Co Ltd filed Critical China Railway 15th Bureau Group Co Ltd
Priority to CN202222893176.7U priority Critical patent/CN218150995U/en
Application granted granted Critical
Publication of CN218150995U publication Critical patent/CN218150995U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Earth Drilling (AREA)

Abstract

The utility model discloses a rod end device for realizing synchronous footage of coupled rotation of an anchor rod and a drill rod, which comprises an anchor rod end head and a drill rod positioned in the anchor rod end head, wherein the inner wall of an inner cavity of a rock entering end of the anchor rod end head is symmetrically connected with two stop blocks, the drill rod is connected with rotary arms with the quantity and the position respectively corresponding to the number and the position of the stop blocks on the outer wall of the drill rod, and the rotary arms drive the stop blocks and the anchor rod end head to rotate together when being blocked by the stop blocks in the rotation; the anchor rod end is equipped with the round sawtooth along its rock-entering end circumference, anchor rod end other end threaded connection is in ordinary stock to it is whole to form the anchor rod. The utility model has the advantages that: the stop block and the rotating arm are respectively connected to the end head of the anchor rod and the drill rod, so that the drill rod drives the anchor rod to synchronously rotate, synchronous positioning of the drilling hole and the anchor rod is realized, and the obstacle of the anchor rod entering the hole is reduced.

Description

Rod end device for realizing synchronous footage of coupled rotation of anchor rod and drill rod
Technical Field
The utility model belongs to the technical field of the technique of stock construction and specifically relates to a realize stock and drilling rod coupling and rotate rod end device of synchronous footage.
Background
The anchor rod is used commonly in tunnel construction and is consolidated the country rock, and when carrying out anchor rod construction under the general condition, earlier bore the design position of anchor rod, then the anchor rod of impressing in the downthehole, two kinds of processes are mutual to be gone forward until reaching the design degree of depth of anchor rod. In the process of pressing the anchor rod into the drilled hole, the phenomenon that the drill slag in the hole is not removed timely, is difficult to remove, blocks a large block and even collapses the hole can occur, so that the anchor rod is difficult to press in. The synchronous in-place of drilling and anchor rods is realized, the construction procedures are reduced, the obstacles in the anchor rod inlet holes are reduced, and the tunnel anchor rod quick construction is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a realize stock and the synchronous rod end device of footage of drilling rod coupling rotation according to above-mentioned prior art, through connect dog and rocking arm on stock end and drilling rod respectively, make the drilling rod drive the stock and rotate in step, not only realized drilling and taking one's place in step of stock, reduced the obstacle in stock hand-hole simultaneously.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a realize stock and drilling rod coupling and rotate rod end device of synchronous footage which characterized in that: the drilling rod is characterized by comprising an anchor rod end head and a drilling rod positioned in the anchor rod end head, wherein two stop blocks are symmetrically connected to the inner wall of an inner cavity of the rock inlet end of the anchor rod end head, the outer wall of the drilling rod is connected with rotating arms, the number and the position of the rotating arms correspond to those of the stop blocks respectively, and the rotating arms drive the stop blocks and the anchor rod end head to rotate together when being blocked by the stop blocks in rotation; the anchor rod end is equipped with the round sawtooth along its rock-entering end circumference, anchor rod end other end threaded connection is in ordinary stock to form the stock wholly.
The two check blocks are symmetrically arranged in the radial direction of the end of the anchor rod, the check blocks are of an angle-shaped structure and comprise a first flat plate and a second flat plate which are connected, an acute angle is formed between the first flat plate and the second flat plate, the first flat plate is arranged along the axis direction of the end of the anchor rod and is connected with the inner wall of the end of the anchor rod, the shape of one side of the second flat plate is matched with the shape of the inner wall of the end of the anchor rod, the side of the second flat plate is connected with the inner wall of the end of the anchor rod, and the height of the two check blocks meets the requirement that a drill bit of the drill rod freely passes through a space between the two check blocks.
The two rotating arms are symmetrically arranged in the radial direction of the drill rod and are of a semicircular structure; when the rotating arms move towards the first flat plate of the stop block, the diameter surfaces of the two rotating arms are respectively contacted with the inner side surface of the first flat plate corresponding to the stop block, and the diameter surfaces of the rotating arms extrude the inner side surface of the first flat plate of the stop block, so that the end head of the anchor rod rotates along with the rotating arms; when the rotating arms move back to the first flat plate of the stop block, the side surfaces of the two rotating arms are respectively contacted with the inner side surface of the second flat plate corresponding to the stop block, and the side surfaces of the rotating arms move outwards along the extending direction of the inner side surface of the second flat plate of the stop block, so that the rotating arms are separated from the stop block.
The utility model has the advantages that: the structure is simple, and the construction is convenient; the stop block and the rotating arm are respectively connected to the end of the anchor rod and the drill rod, so that the drill rod drives the anchor rod to synchronously rotate, synchronous positioning of the drill hole and the anchor rod is realized, and the obstacle of the anchor rod to enter the hole is reduced.
Drawings
FIG. 1 is a combined view of a drill rod and an anchor rod end of the present invention;
FIG. 2 is a sectional view of the drill rod and the anchor rod end of the present invention;
FIG. 3 is a schematic view of the drill rod of the present invention;
fig. 4 is a schematic view (one) of the stopper of the present invention;
fig. 5 is a schematic view (ii) of the stopper of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings for the understanding of those skilled in the art:
as shown in fig. 1-5, reference numerals 1-16 in the drawings respectively denote a first plate top surface 1, a second plate top surface 2, a second plate outer side surface 3, a first plate inner side surface 4, a second plate bottom surface 5, a first plate bottom surface 6, a first plate outer side surface 7, a second plate inner side surface 8, a drill rod 9, a rotating arm 10, a rotating arm arc side surface 11, a rotating arm diameter surface 12, an anchor rod end 13, saw teeth 14, internal threads 15 and a stop 16.
Example (b): as shown in fig. 1 to 5, the present embodiment relates to a rod end device for realizing synchronous footage of coupled rotation of an anchor rod and a drill rod, which mainly comprises an anchor rod end 13 and a drill rod 9 located in the anchor rod end 13, wherein the inner wall of the inner cavity of the rock entering end of the anchor rod end 13 is welded with a stop 16 along two ends of the inner diameter of the anchor rod end 13, the outer wall of the drill rod 9 is welded with a rotating arm 10 along two ends of the outer diameter of the drill rod 9, the rotating arm 10 is perpendicular to the drill rod 9, and the setting position of the rotating arm 10 corresponds to the setting position of the stop 16. When the rotating arm 10 is blocked by the stop 16 in the rotation process, the stop 16 and the anchor rod end 13 can be driven to rotate together; the swivel arm 10 can be rotated independently when not blocked by the stopper 16.
As shown in fig. 1, 2, 4 and 5, the two stoppers 16 are symmetrically arranged in the radial direction of the anchor rod end 13, and the heights of the two stoppers 16 (i.e. the heights of the stoppers 16 protruding from the inner surface of the anchor rod) are small, so that the drill bit of the drill rod 9 can freely pass through the space between the two stoppers 16. The stopper 16 is an angle-shaped structure, and includes a first flat plate and a second flat plate which are connected, an acute angle is formed between the first flat plate and the second flat plate, the first flat plate has a first flat plate top surface 1, a first flat plate bottom surface 6, a first flat plate inner side surface 4 and a first flat plate outer side surface 7, and the first flat plate inner side surface 4 and the first flat plate outer side surface 7 are parallel, the second flat plate has a second flat plate top surface 2 (which is an arc-shaped surface), a second flat plate bottom surface 5, a second flat plate outer side surface 3 and a second flat plate inner side surface 8, and the second flat plate outer side surface 3 and the second flat plate inner side surface 8 are parallel. The first flat plate is arranged along the axial direction of the anchor rod end head 13 and is connected with the inner wall of the anchor rod end head 13, the shape of the top surface 2 of the second flat plate is matched with the shape of the inner wall of the anchor rod end head 13, and the top surface 2 of the second flat plate is connected with the inner wall of the anchor rod end head 13. In addition, the first flat plate outer side surface 7 is parallel to the rock entering direction of the anchor rod end 13, a certain included angle is formed between the outer normal direction of the second flat plate outer side surface 3 and the axis direction of the anchor rod end 13, drilling slag can slide along the surface of the second flat plate outer side surface 3 conveniently, the second flat plate outer side surface 3 cannot block the drilling slag, and the hole entering resistance of the anchor rod end 13 is reduced.
As shown in fig. 1 and 3, two rotating arms 10 are symmetrically arranged in the radial direction of the drill rod 9, the rotating arms 10 are in a semicircular structure, and the rotating arms 10 are provided with a rotating arm diameter surface 12 and a rotating arm circular arc side surface 11. When the rotation arms 10 move toward the first plate of the stoppers 16, the rotation arm diameter surfaces 12 of the two rotation arms 10 are respectively in contact with the first plate inner side surfaces 4 of the first plates of the corresponding stoppers 16, and the rotation arm diameter surfaces 12 of the rotation arms 10 press the first plate inner side surfaces 4 of the first plates of the stoppers 16, so that the anchor rod tips 13 rotate together with the rotation arms 10. When the rotating arm 10 moves away from the first plate of the stop 16, the rotating arm arc-shaped side surfaces 11 of the two rotating arms 10 are respectively contacted with the second plate inner side surface 8 of the second plate of the corresponding stop 16, and the rotating arm arc-shaped side surfaces 11 of the rotating arms 10 move outwards along the extending direction of the second plate inner side surface 8 of the second plate of the stop 16, so that the rotating arms 10 are separated from the stop 16.
As shown in fig. 1 and 2, the bolt head 13 is provided with a ring of saw teeth 14 along the circumferential direction of the rock entering end, and the saw teeth 14 can effectively crush the rock mass and the like which block the bolt head 13 from entering the rock in the rotating process. The other end of the anchor rod end 13 is provided with an internal thread 15, the internal thread 15 of the anchor rod end 13 is matched with an external thread of a common anchor rod, the anchor rod end 13 is connected with the common anchor rod through the internal thread 15 to form an integral anchor rod, and the screwing direction of the thread of the anchor rod end 13 and the screwing direction of the thread of the common anchor rod, which is continuously lengthened through the thread, on the rear side of the common anchor rod are consistent with the rock breaking rotating direction of the drill rod 9.
As shown in fig. 1 to 5, the present embodiment also has the following construction method:
an anchor head 13 with a stop 16 is connected to the rock-entering end side of a conventional anchor rod as a part of the rock-entering end of the anchor rod, and two swivel arms 10 are welded at corresponding positions of the drill rod 9, and the drill rod 9 is installed in the anchor head 13. The tumbler 10 is driven towards the first plate of the stop 16 (i.e. in the direction of the outer normal of the tumbler diametric plane 12) so that the bolt tip 13 rotates with the tumbler 10, keeping the bolt tip 13 and the drill rod 9 at a synchronous footage. When the rock blocks block the rock entering end of the anchor rod end 13, the rock blocks can be cut together through the coupled rotation of the drill rod drill bit and the sawtooth 14 on the pipe wall of the anchor rod end 13; if a rock block blocks the inner cavity of the anchor rod, the rotating arm 10 can be driven to move towards a first flat plate of the stop block 16 (namely along the direction of an outer normal line of the arc side surface 11 of the rotating arm) so as to separate the rotating arm 10 from the stop block 16, a drill bit of the drill rod 9 is retreated into the inner cavity of the anchor rod, and the blocked rock block in the inner cavity of the anchor rod is crushed through the independent rotation of the drill bit so that the crushed rock can smoothly flow out of the inner cavity of the anchor rod; if necessary, the anchor rod end head 13 is continuously rotated into the rock, so that the anchor rod end head 13 rotates along with the rotating arm 10, and the synchronous footage of the anchor rod end head 13 and the drill rod 9 is ensured.
The embodiment also has the following beneficial effects: the coupling rotation of the anchor rod and the drill rod is realized, and the rock entering footage of the drill rod and the hole entering footage of the anchor rod are synchronous; the rock entering footage of the drill rod is synchronous with the rock entering footage of the anchor rod, and the distance between the port of the anchor rod and the drill bit of the drill rod is short, so that the drill bit is still in a suspension state under the condition of water flushing or air blowing in the process of rotating and breaking rock, and can easily enter the inner cavity of the anchor rod; in addition, when the phenomenon that great piece of rock blockked up in stock port, unable entering into the stock inner chamber appears, can use the drill bit to drill repeatedly this department, treat that the piece of rock is broken to enter into the stock inner chamber, ensure that the stock can go to footage smoothly.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description is not repeated herein.

Claims (3)

1. The utility model provides a realize stock and drilling rod coupling and rotate rod end device of synchronous footage which characterized in that: the drilling rod is characterized by comprising an anchor rod end head and a drilling rod positioned in the anchor rod end head, wherein two stop blocks are symmetrically connected to the inner wall of an inner cavity of the rock entering end of the anchor rod end head; the anchor rod end is equipped with the round sawtooth along its rock-entering end circumference, anchor rod end other end threaded connection is in ordinary stock to it is whole to form the anchor rod.
2. A rod end device for realizing synchronous footage of a coupling rotation of an anchor rod and a drill rod according to claim 1, wherein: the two check blocks are symmetrically arranged in the radial direction of the end of the anchor rod, the check blocks are of an angle-shaped structure and comprise a first flat plate and a second flat plate which are connected, an acute angle is formed between the first flat plate and the second flat plate, the first flat plate is arranged along the axis direction of the end of the anchor rod and is connected with the inner wall of the end of the anchor rod, the shape of one side of the second flat plate is matched with the shape of the inner wall of the end of the anchor rod, the side of the second flat plate is connected with the inner wall of the end of the anchor rod, and the height of the two check blocks meets the requirement that a drill bit of the drill rod freely passes through a space between the two check blocks.
3. A rod end device for realizing synchronous footage of a coupling rotation of an anchor rod and a drill rod according to claim 1, wherein: the two rotating arms are symmetrically arranged in the radial direction of the drill rod and are of a semicircular structure; when the rotating arms move towards the first flat plate of the stop block, the diameter surfaces of the two rotating arms are respectively contacted with the inner side surface of the first flat plate corresponding to the stop block, and the diameter surfaces of the rotating arms extrude the inner side surface of the first flat plate of the stop block, so that the end head of the anchor rod rotates along with the rotating arms; when the rotating arms move back to the first flat plate of the stop block, the side surfaces of the two rotating arms are respectively contacted with the inner side surface of the second flat plate corresponding to the stop block, and the side surfaces of the rotating arms move outwards along the extending direction of the inner side surface of the second flat plate of the stop block, so that the rotating arms are separated from the stop block.
CN202222893176.7U 2022-11-01 2022-11-01 Rod end device for realizing synchronous footage of coupled rotation of anchor rod and drill rod Active CN218150995U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222893176.7U CN218150995U (en) 2022-11-01 2022-11-01 Rod end device for realizing synchronous footage of coupled rotation of anchor rod and drill rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222893176.7U CN218150995U (en) 2022-11-01 2022-11-01 Rod end device for realizing synchronous footage of coupled rotation of anchor rod and drill rod

Publications (1)

Publication Number Publication Date
CN218150995U true CN218150995U (en) 2022-12-27

Family

ID=84571546

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222893176.7U Active CN218150995U (en) 2022-11-01 2022-11-01 Rod end device for realizing synchronous footage of coupled rotation of anchor rod and drill rod

Country Status (1)

Country Link
CN (1) CN218150995U (en)

Similar Documents

Publication Publication Date Title
CN108086930B (en) Reverse circulation pipe following drilling tool for soft rock stratum and drilling process
US6450269B1 (en) Method and bit for directional horizontal boring
CN108571291B (en) Reverse rotation water-spraying type drill pipe clamping prevention system and use method
CN112922531B (en) Anti-backflow directional drill bit with back flushing function and construction method thereof
CN218150995U (en) Rod end device for realizing synchronous footage of coupled rotation of anchor rod and drill rod
CN107584160B (en) Drill bit with dust collection function
CN110280807A (en) A kind of drill bit of replaceable cutter tip
CN203716841U (en) Double-layer internal slag discharging and plugging prevention drilling tool for soft outburst coal seam drilling
CN111255374A (en) Anti-drill-sticking device and method for circumferential impact
CN204475331U (en) Quick change anchor rod device
CN102042290B (en) Automatic chip removal drilling wood screw
CN218150996U (en) Structure for realizing coupling rotation synchronous footage of anchor rod and drill rod
CN110094167B (en) Novel mechanical rotary reaming device
US3613807A (en) Drill rod with dust-collecting means
CN106837184A (en) Broken screw thread deslagging base plate efficient drilling drill bit device in a kind of outer brill
CN213234974U (en) PDC drill bit of coring
CN101481999B (en) Drilling rod with asymmetric special-shaped cross section
CN210164436U (en) Novel mechanical rotary reaming device
CN113006697A (en) Mechanical hydraulic eccentric rotary positioning device
CN207526416U (en) A kind of adjustable fluid pressure type reaming while drilling device of reaming hole outer diameter
CN216974751U (en) Special drill rod of hydraulic drill jumbo
CN215949372U (en) Drilling tool for rock drill
CN221144336U (en) Drill bit and drill rod connecting structure and drilling tool
CN218030048U (en) Core-removing drill bit
CN218235039U (en) Medicine adding drill bit

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant