CN206667254U - The disconnected bar drill of threaded connection rod member takes device - Google Patents
The disconnected bar drill of threaded connection rod member takes device Download PDFInfo
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- CN206667254U CN206667254U CN201720086906.9U CN201720086906U CN206667254U CN 206667254 U CN206667254 U CN 206667254U CN 201720086906 U CN201720086906 U CN 201720086906U CN 206667254 U CN206667254 U CN 206667254U
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- bar
- drill
- rod member
- bar section
- threaded connection
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Abstract
The disconnected bar drill of one kind threaded connection rod member takes device, and the device includes drilling rod, and the end of the drilling rod is removably connected with drill bit or takes knock-off joint；The drilling rod is detachably connected and formed successively by one group of bar section, and the locating part of annular is socketed with the bar section.For pre-stress construction, when rod member is broken, because the construction hole size for being threadedly coupled rod member is narrow and small, construction hole depth is more than 3 meters, diameter is but less than 50mm, therefore, the disconnected bar of indwelling can not take out substantially, and the utility model takes device to take out the disconnected bar of the indwelling being retained in structure construction hole using disconnected bar drill, realize the replacing of threaded connection rod member, construction hidden danger is eliminated, while saves substantial amounts of maintenance cost, improves economic value.
Description
Technical field
The realm of building construction is the utility model is related to, particularly a kind of constructing device for being threadedly coupled rod member.
Background technology
At present for large-scale or large equipment frame, pylon, including wind-driven generator, wind turbine, power transmission line
The building such as street lighting and recoil simulator, bridge pad, business signboard, highway signboard, Ski Lift is taken using scene
The concrete foundation support built, in order to ensure that structure stress is more stable, often using threaded connection rod member, such as prestressed anchor
Bolt, prestressed anchor, but during Specific construction, due to some special circumstances or rod member quality problems, some rod members
Directly in the structure, by taking wind generator tower as an example, can be circular layout two circle prestressed bolts in anchor cage ring formula basis for fracture, when
After rod member fracture, because rod length is long and operating space is limited, the rod member of fracture is not easily taken out positioned at lower cartridge,
In conventional construction, it often can only just be allowed to be retained in struc-ture, cause certain potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of disconnected bar drill of threaded connection rod member and takes device, to solve threaded connection rod member
The technical problem that disconnected bar can not take out in the structure.
To achieve the above object, the utility model adopts the following technical scheme that：
The disconnected bar drill of one kind threaded connection rod member takes device, including drilling rod, and the end of the drilling rod is removably connected with drill bit
Or take knock-off joint；The drilling rod is detachably connected and formed successively by one group of bar section, and annular is socketed with the bar section
Locating part.
The drilling rod is staight shank drilling rod, and its end is connected by staight shank fixture with rig substructure.
One end center of the bar section is provided with tapped blind hole, other end center is correspondingly provided with nipple, adjacent bar section
Between be threadedly coupled.
The length of the bar section has tetra- kinds of specifications of 200mm, 300mm, 500mm and 1000mm, the bar section phase of different size
Mutually it is spliced to form the drilling rod of various length, easy to use, strong adaptability.
The locating part is bearing or axle sleeve, is socketed on the shaft of bar section, it is interference fitted with bar section and connected.
The drill bit includes centre drill, fluted drill and screw tap, and the end of the centre drill, fluted drill and screw tap is respectively connected with
One base, the connecting hole being used cooperatively with bar section nipple is provided with the base.
Sheath is vertically connected with the base, the sheath is located on the outside of drill bit and end is not less than bit point of the drill position
Put.
It is described to take knock-off joint to include changeover base and the thread head being arranged in changeover base, corresponded in the changeover base
It is provided with the connecting hole being used cooperatively with bar section nipple.
The locating part is spacing collar, a part for the spacing collar and one one end end of bar section described in a bar section
Welding or interference fit, another part are threadedly coupled with adjacent stems section；One end of the bar section is free end, the other end is corresponding
Provided with being connected with and spacing collar, other end termination is provided with the external screw thread coordinated, between adjacent bar section by spacing collar and
External screw thread matching thread connects.
The drill bit includes centre drill, fluted drill and screw tap, and the end of the centre drill, fluted drill and screw tap is respectively connected with
One base, the connecting hole being used cooperatively with bar section termination external screw thread is provided with the base.The centre drill length 10mm of drill bit,
The length of the bit is 50mm, tap length 30mm, drilling depth 50mm.
Sheath is vertically connected with the base, the sheath is located on the outside of drill bit and end is not less than bit point of the drill position
Put；It is described to take knock-off joint to include changeover base and the thread head being arranged in changeover base, correspondingly it is provided with the changeover base
The connecting hole being used cooperatively with bar section termination external screw thread.
The end of the sheath is sophisticated or round and smooth cambered surface.
The utility model has the characteristics that and beneficial effect compared with prior art：
For pre-stress construction, when rod member is broken, because the construction hole size for being threadedly coupled rod member is narrow and small,
Hole depth construct more than 3 meters, diameter is but less than 50mm, and therefore, the disconnected bar of indwelling can not take out substantially, and the utility model utilizes disconnected bar
The disconnected bar of the indwelling being retained in structure construction hole can be taken out by drilling through device, realized the replacing of threaded connection rod member, eliminated
Construction hidden danger, while substantial amounts of maintenance cost is saved, improve economic value.
The utility model devises the drilling rod assembled by bar section, passes through the splicing of the bar section of different length, adaptability
Change run of steel, it is more targeted completion drilling rod decentralization, it is ensured that the convenience and validity of construction；Drill bit and bar is taken to connect
Head is detachably connected with bar section, realizes conversion between the two, and first being broken with drill bit in indwelling drills on bar, then with taking bar to connect
Head realizes the taking-up of the disconnected bar of indwelling, and both coordinate closely, effectively ensure efficiency of construction and construction effect；Sheath on drill bit is set
Meter, it is therefore prevented that the destruction caused by surrounding structure in boring procedure, the stability of structure is effectively ensured；Locating part on bar section
Design, it is ensured that only double swerve deviates unbearable position to drilling rod in boring procedure, it is ensured that the accuracy of drilling, facilitates the later stage to take
Knock-off joint is accurately positioned.
The utility model can be widely applied to be threadedly coupled the disconnected bar taking-up replacing of rod member.
Brief description of the drawings
The utility model is described in more detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the mplifying structure schematic diagram of part A in Fig. 1.
Fig. 3 is the drilling rod and drill bit or the attachment structure schematic diagram for taking knock-off joint of the utility model embodiment one.
Fig. 4 is the drilling rod and drill bit or the attachment structure schematic diagram for taking knock-off joint of the utility model embodiment two.
Reference：1- drill bits, 2- drilling rods, 3- bars section, 4- bearings or axle sleeve, 5- rig substructures, 6- sheaths,
7- takes the disconnected bar of knock-off joint, 8- indwellings, 9- constructions hole, 10- structures, 11- spacing collars.
Embodiment
Embodiment one is shown in Figure 1, and this disconnected bar drill of threaded connection rod member takes device, including rig substructure 5 and connection
Drilling rod 2 on rig substructure 5, the end of the drilling rod 2 are removably connected with drill bit 1 or take knock-off joint 7；The drilling rod 2
It is detachably connected and is formed successively by one group of bar section 3.
The drilling rod 2 is staight shank drilling rod, and its end is connected by staight shank fixture with rig substructure 5.
One end center of the bar section 3 is provided with tapped blind hole, other end center is correspondingly provided with nipple, adjacent bar section
It is threadedly coupled between 3；The length requirement of the bar section 3 has 200mm, 300mm, 500mm and 1000mm equal-specification；The bar section 3
On be socketed with annular locating part；The locating part is bearing or axle sleeve 4, is socketed on the shaft of bar section 3, itself and the mistake of bar section 3
It is full of mating connection.
Shown in Figure 2, the drill bit includes centre drill, fluted drill and screw tap, the centre drill, fluted drill and screw tap
End is respectively connected with a base, and the connecting hole being used cooperatively with bar section nipple is provided with the base；On the base
Sheath 6 is vertically connected with, the sheath is located on the outside of drill bit and end is not less than bit point of the drill position.
Shown in Figure 3, the thread head for taking knock-off joint 7 to include changeover base and be arranged in changeover base is described
The connecting hole being used cooperatively with bar section nipple is correspondingly provided with changeover base.
A kind of construction method for being threadedly coupled the disconnected bar drill of rod member as mentioned and taking device, is comprised the following steps that：
Step 1, the disconnected bar in the top of rod member is taken out from the construction hole in structure.
Step 2, the crack conditions of the disconnected bar in top are detected, judge the decentralization length of drilling rod 2.
Step 3, one group of suitable bar section 3 is selected, and drill bit 1 is connected with the first pole section.
Step 4, the drill bit connected and bar section are vertically transferred in construction hole.
Step 5, when the decentralization of the first pole section will to the greatest extent, the second pole section is connected with the first pole section.
Step 6, repeat step four and step 5, whole bar sections are connected and completed, and drill bit transfers to indwelling the upper end for the bar that breaks
Face position.
Step 7, last pole section is connected with rig substructure.
Step 8, start rig, broken first with centre drill using drill bit in indwelling and bore threaded locating hole on bar.
Step 9, after the completion of positioning hole drilling, close rig, take out bar section drilling rod and, centre drill is replaced by fluted drill
Drill bit, and drill bit is dismantled.
Step 10, lowering drill pipes, start rig, broken using fluted drill in indwelling and bore bottom outlet on bar.
Step 11, after the completion of bottom outlet, rig is closed, takes out drilling rod, fluted drill is removed from drill rod end.
Step 12, hang in magnet entrance construction hole and suction out iron filings.
Step 13, magnet is taken out, screw tap is connected on the first pole section, and transfer to indwelling the upper surface position for the bar that breaks
Put, start rig, using screw tap in bottom outlet mantle fiber.
Step 14, after the completion of mantle fiber, rig is closed, takes out drilling rod, screw tap is removed into taking-up from drill rod end is replaced by
Take knock-off joint.
Step 15, and the upper surface position for the bar that breaks is transferred to indwelling, start rig, make to take in knock-off joint advances through hole.
Step 10 six, take knock-off joint to drive the disconnected bar of indwelling to rotate, depart from the clamp nut of the disconnected bar end of indwelling；
Step 10 seven, take out bar section, take knock-off joint and the disconnected bar of indwelling.
Step 10 eight, reinstall new rod member, you can complete whole construction.
The locating part 4 of annular is connected with the bar section, the external diameter of the locating part 4 and the diameter in hole of constructing are adapted.
The diameter of outer diameter sheath and hole of constructing on the drill bit base is adapted, internal diameter and the disconnected shank diameter of indwelling are mutually fitted
Should.
In construction, in order to avoid tap tapping during be broken, using following method：
1st, bottom diameter is not to be exceeded the 50% of the disconnected shank diameter of indwelling, and bottom outlet should be greater than the 5%-8% of standard bottom outlet, such as M20
Standard bottom outlet, its standard pitch be 2.5, then bottom outlet size should be 18.5~19mm, it is therefore an objective to increasing bottom outlet prevents screw tap from breaking
Split.
2nd, the exposed size of screw tap is as far as possible short, and the length of centre drill is no more than 10mm, and drill bit entire length is 50mm or so,
Of length no more than 30mm of screw tap, drilling depth 50mm.
3rd, the annealed processing of screw tap reduces intensity.
Embodiment two is shown in Figure 4, and unlike embodiment one, the locating part is spacing collar 11, the limit
One end welding or interference fit, another part of the part for position sleeve 11 with a bar section are threadedly coupled with adjacent stems section；Institute
The one end for stating bar section is free end, the other end is correspondingly provided with to be connected with and is provided with the outer of cooperation with spacing collar 11, other end termination
Screw thread, connected by spacing collar 11 between adjacent bar section 3；The length of the bar section 3 have 200mm, 300mm 500mm and
1000mm equal-specifications, the drill bit include centre drill, fluted drill and screw tap, and the end of the centre drill, fluted drill and screw tap is equal
A base is connected with, the connecting hole being used cooperatively with bar section termination external screw thread is provided with the base；It is vertical on the base
Sheath 6 is connected with, the sheath is located on the outside of drill bit and end is not less than bit point of the drill position；It is described to take knock-off joint 7 to include turning
Base and the thread head being arranged in changeover base are connect, being correspondingly provided with to coordinate with bar section termination external screw thread in the changeover base makes
Connecting hole；The bar section is connected by spacing collar, and the external diameter of the spacing collar and the diameter in hole of constructing are adapted.
Claims (10)
1. one kind threaded connection rod member breaks, bar drill takes device, it is characterised in that：Including drilling rod（2）, the drilling rod（2）End can
Dismantling connection has drill bit（1）Or take knock-off joint（7）；
The drilling rod（2）It is by one group of bar section（3）It is detachably connected successively；
The bar section（3）On be socketed with annular locating part；
The drill bit（1）Including centre drill, fluted drill and screw tap, the end of the centre drill, fluted drill and screw tap is respectively connected with
One base, sheath is vertically connected with the base（6）, the sheath is located on the outside of drill bit and end is not less than drill bit
End position；
It is described to take knock-off joint（7）Including changeover base and the thread head being arranged in changeover base.
2. threaded connection rod member according to claim 1 breaks, bar drill takes device, it is characterised in that：The drilling rod（2）To be straight
Handle drilling rod, its end pass through staight shank fixture and rig substructure（5）Connection.
3. threaded connection rod member according to claim 1 or 2 breaks, bar drill takes device, it is characterised in that：The bar section（3）'s
One end center is provided with tapped blind hole, other end center is correspondingly provided with nipple, adjacent bar section（3）Between be threadedly coupled.
4. threaded connection rod member according to claim 3 breaks, bar drill takes device, it is characterised in that：The locating part is bearing
Or axle sleeve（4）, it is socketed in bar section（3）Shaft on, with bar section（3）Interference fit connection.
5. threaded connection rod member according to claim 3 breaks, bar drill takes device, it is characterised in that：The bar section（3）Length
Degree has 200mm, 300mm 500mm and tetra- kinds of specifications of 1000mm.
6. threaded connection rod member according to claim 3 breaks, bar drill takes device, it is characterised in that：The drill bit（1）Bottom
The connecting hole being used cooperatively with bar section nipple is provided with seat.
7. threaded connection rod member according to claim 3 breaks, bar drill takes device, it is characterised in that：It is described to take knock-off joint（7）
Changeover base on be correspondingly provided with the connecting hole being used cooperatively with bar section nipple.
8. threaded connection rod member according to claim 1 or 2 breaks, bar drill takes device, it is characterised in that：The locating part is
Spacing collar（11）, the spacing collar（11）A part and a bar section one end welding or interference fit, another part
It is threadedly coupled with adjacent stems section；
One end of the bar section is free end, the other end is correspondingly provided with and spacing collar（11）The external screw thread of cooperation, adjacent bar
Section（3）Between pass through spacing collar（11）Connection.
9. threaded connection rod member according to claim 8 breaks, bar drill takes device, it is characterised in that：The bar section（3）Length
Degree has 200mm, 300mm 500mm and tetra- kinds of specifications of 1000mm.
10. threaded connection rod member according to claim 8 breaks, bar drill takes device, it is characterised in that：The drill bit（1）Bottom
The connecting hole being used cooperatively with bar section termination external screw thread is provided with seat；
It is described to take knock-off joint（7）Changeover base on be correspondingly provided with the connecting hole being used cooperatively with bar section termination external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086906.9U CN206667254U (en) | 2017-01-23 | 2017-01-23 | The disconnected bar drill of threaded connection rod member takes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086906.9U CN206667254U (en) | 2017-01-23 | 2017-01-23 | The disconnected bar drill of threaded connection rod member takes device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206667254U true CN206667254U (en) | 2017-11-24 |
Family
ID=60378889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720086906.9U Active CN206667254U (en) | 2017-01-23 | 2017-01-23 | The disconnected bar drill of threaded connection rod member takes device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206667254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759338A (en) * | 2017-01-23 | 2017-05-31 | 北京健安诚岩土工程有限公司 | The disconnected bar drill of threaded connection rod member takes device and its construction method |
-
2017
- 2017-01-23 CN CN201720086906.9U patent/CN206667254U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759338A (en) * | 2017-01-23 | 2017-05-31 | 北京健安诚岩土工程有限公司 | The disconnected bar drill of threaded connection rod member takes device and its construction method |
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