CN207032236U - A kind of composite rod automatic anchor pole - Google Patents
A kind of composite rod automatic anchor pole Download PDFInfo
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- CN207032236U CN207032236U CN201720909386.7U CN201720909386U CN207032236U CN 207032236 U CN207032236 U CN 207032236U CN 201720909386 U CN201720909386 U CN 201720909386U CN 207032236 U CN207032236 U CN 207032236U
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- rod
- outer body
- nut
- anchor pole
- screw thread
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Abstract
It the utility model is related to a kind of composite rod automatic anchor pole, including the outer body of rod, drill bit, nut, backing plate, the interior body of rod, finished product anchorage, packing ring, the outer body of rod is hollow circular tube, outer surface is provided with continuous corrugated thread, lower end at the top of the drill bit with the outer body of rod is connected through a screw thread, the nut is connected through a screw thread with outer body of rod top, round hole is carried among the backing plate, it is enclosed on the outer body of rod, it is placed in below nut, the top of the interior body of rod is provided with inner sleeve, both one are placed in outer bar body tube chamber, the top of the interior body of rod is anchored by finished product anchorage and locked, packing ring is provided between finished product anchorage and nut.The utility model is by setting the interior body of rod of cost relative moderate, while the utility model construction intensity and use intensity is ensured, reduce the consumption of external rod body material, the function of common automatic anchor pole can be realized, greatly reduce cost again, and it is simple in construction, easy for construction, safe and reliable, be easy to promote.
Description
Technical field
It the utility model is related to Geotechnical Engineering field, and in particular to a kind of composite rod comprising the interior body of rod and the outer body of rod is certainly
Drilling anchor bar.
Background technology
Anchor pole is a kind of conventional effective reinforcing means in the engineerings such as tunnel advanced support, slope reinforcement, pattern foundation pit supporting structure, such as
The complex geological conditions such as soft stratum, water rich strata and fault belt are run into, anchoring construction is difficult greatly, particularly on stratum
When the serious and rock-bolt length that caves in is big, the common bolt body of rod is difficult to transfer, anchor force is difficult to ensure that.Automatic anchor pole drilling, note
Starch one-shot forming, it is not necessary to which the special skill such as sleeve pipe retaining wall, pre-pouring grout also can guarantee that anchoring and slip casting effect, have obvious skill
Art advantage, it is a kind of effective anchoring means, is used widely.
At present, wide variety of automatic anchor pole is mainly made up of anchor bar body, connection sleeve pipe, drill bit, backing plate and nut, its
In, anchor bar body is hollow circular tube, and outside has continuous corrugated thread, drilling rod can be used as to coordinate drill bit to complete drilling construction,
Anchor pole core body is served as after the completion of anchor bolt construction, undertakes all anchoring pulling force.Anchor bar body intensity (under identical material, is decided by
Body of rod section) selection be based on following two aspects：First, the intensity that anchor bar body as drilling rod, needs in anchor hole construction；Second,
Anchor bar body undertakes the intensity required for whole anchor forces；Under normal circumstances, the latter is much larger than the former.
The cost of automatic anchor pole and the material usage related intimate of anchor rod body, than equicohesive common bolt body of rod
(such as steel strand wires) cost is much higher.The major technique advantage of automatic anchor pole is that its anchor bar body can match somebody with somebody bench drill as drilling rod
Head completes drilling construction, and its hollow structure disposably slip casting can undertake anchoring pulling force into anchor, rather than as anchor pole core body,
(especially in the not high gib engineering of life requirement) in all multiple-projects, optimizable space be present.
Utility model content
To overcome the deficiency, there is provided a kind of interior body of rod takes on the composite rod self-drilling anchor of anchor force with the outer body of rod jointly
Bar, wherein the outer body of rod is self-drilling anchor club shaft, drilling rod can be used as to coordinate drill bit to complete drilling construction, the interior body of rod is anchor pole bar
Body, usually steel strand wires, anchor rod body is served as after the completion of anchor bolt construction together with the outer body of rod, undertakes all anchoring pulling force.
Technical scheme is used by the utility model solves its technical problem：A kind of composite rod automatic anchor pole, bag
The outer body of rod, drill bit, nut, backing plate, the interior body of rod, finished product anchorage, packing ring are included, the outer body of rod is hollow circular tube, and outer surface is provided with
Continuous corrugated thread, the drill bit inside top are threaded, and the lower end at the top of drill bit with the outer body of rod is connected through a screw thread, institute
State nut to be connected through a screw thread with outer body of rod top, realize the anchoring locking of the outer body of rod, round hole is carried among the backing plate,
It is enclosed on the outer body of rod, is placed in below nut, the top of the interior body of rod is provided with inner sleeve, and both one are placed in outer bar body tube chamber
Interior, the top of the interior body of rod is anchored by finished product anchorage to be locked, and packing ring is provided between finished product anchorage and nut, to transmit interior bar
The anchor force of body.
Further, the outer body of rod is provided with multistage, is detachably connected between two adjacent outer bodies of rod by connection sleeve pipe,
It is threaded on the inside of the connection sleeve pipe, the outer body of rod is connected through a screw thread with connection sleeve pipe, to lengthen rock-bolt length.
Further, cement mortar is filled in the outer body of rod tube chamber.
Further, the corrugated thread of the external side of the outer bar and the inside thread of connection sleeve pipe, nut screw thread, drill bit top
Inside thread matches, to realize threaded connection.
Further, the interior body of rod matches with sleeve pipe, and the interior body of rod matches with finished product anchorage.
Further, the external diameter of the outer body of rod is set to 40~70mm, and wall thickness is 4~7mm, the interior external diameter of rod body and outer bar
Internal footpath matches, and considers that the interior bar body with sleeve pipe can be smoothly placed in outer body of rod tube chamber.
A kind of construction method of composite rod automatic anchor pole, comprises the following steps：
Step 1：In foundation pit side-wall precalculated position, waist rail is set, and anchor bolt construction hole is reserved on waist rail, utilizes rig
The drilling rod that will be made up of the outer body of rod, drill bit, through anchor bolt construction hole, creep into desired depth, in drilling process, as needed
The hop count of the outer body of rod of selection, and connected with connection sleeve pipe；
Step 2：Fresh cement grout is filled in the drilling of the outer body of rod and drill bit that are crept into step 1；
Step 3：Inner sleeve is set on interior body of rod top according to design requirement, will be with inner sleeve before cement grout initial set
Interior body of rod inserting step two in the outer body of rod tube chamber in；
Step 4：After cement grout solidifies and reaches some strength, the outer rod end set upper padding plate in step 2,
Backing plate is pressed on waist rail, then is connected through a screw thread with nut and the outer body of rod, and is tightened, and nut is pressed on backing plate；
Step 5：Nut top sets packing ring in step 4, then finished product anchorage is enclosed on into interior rod end, finished product anchorage
It is pressed on packing ring, certain pretension is applied to interior body rod by jack, then using the body of rod in the pinning of finished product lockset, realizes
The tensioning fixation of the interior body of rod.In the process, the water that interior body of rod bottom (part for being not provided with sleeve pipe) passes through solidification with the outer body of rod
Together, and the interior body of rod top part of sleeve pipe (be provided with) due to the buffer action of sleeve pipe for slurry liquid tight bond, with the outer body of rod
Do not bond, can freely stretch.
The utility model has the advantages that：The utility model by setting the interior body of rod of cost relative moderate,
While ensureing the utility model construction intensity and use intensity, the consumption of external rod body material is reduced, can be realized common
The function of automatic anchor pole, greatly reduces cost again, and it is simple in construction, easy for construction, safe and reliable, be easy to promote.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sectional view of the present utility model.
Fig. 3 is assembly structure diagram of the present utility model.
Fig. 4 is 1-1 sectional views of the present utility model.
Fig. 5 is 2-2 sectional views of the present utility model.
Fig. 6 is 3-3 sectional views of the present utility model.
Fig. 7 implements to scheme to be of the present utility model.
In figure：The 1 outer body of rod, 2 drill bits, 3 connection sleeve pipes, 4 nuts, 5 backing plates, the body of rod in 6,7 inner sleeves, 8 finished product anchorages, 9
Packing ring.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.
A kind of composite rod automatic anchor pole as shown in Figures 1 to 6, including the outer body of rod 1, drill bit 2, nut 4, backing plate 5,
The interior body of rod 6, finished product anchorage 8, packing ring 9, the outer body of rod 1 are hollow circular tube, and outer surface is provided with continuous corrugated thread, the brill
First 2 inside top is threaded, and the top of drill bit 2 and the lower end of the outer body of rod 1 are connected through a screw thread, and the nut 4 pushes up with the outer body of rod 1
End is connected through a screw thread, and is realized the anchoring locking of the outer body of rod, is carried round hole among the backing plate 5, be enclosed on the outer body of rod 1,
Nut is placed in below 4, the top of the interior body of rod 1 is provided with inner sleeve 7, and both one are placed in the tube chamber of outer bar body 1, the interior body of rod
6 top is anchored by finished product anchorage 8 and locked, and packing ring 9 is provided between finished product anchorage 8 and nut 4, to transmit the interior body of rod 6
Anchor force.
Further, the outer body of rod 1 is provided with multistage, is detachably connected by connection sleeve pipe 3 between two adjacent outer bodies of rod 1
Connect, the inner side of connection sleeve pipe 3 is threaded, and the outer body of rod 1 is connected through a screw thread with connection sleeve pipe 3, to lengthen rock-bolt length.
Further, cement mortar is filled in the tube chamber of the outer body of rod 1, when cement slurry sets and after reach some strength, interior bar
Body 6 is not provided with the part of sleeve pipe 7 together with the outer tight bond of the body of rod 1, and the interior body of rod 6 is provided with the part of sleeve pipe 7 and the outer body of rod 1
Do not bond.
Further, the corrugated thread and inside thread, the screw thread of nut 4, the drill bit 2 of connection sleeve pipe 3 in the outside of the outer body of rod 1
Inside top screw thread matches, to realize threaded connection.
Further, the interior body of rod 6 matches with sleeve pipe 7, and the interior body of rod 1 matches with finished product anchorage 8, finished product anchorage be into
Ripe product, is no longer described in detail.
Further, the external diameter of the outer body of rod 1 can be set to 40~70mm, and wall thickness is about 0.1 times (4~7mm) of external diameter, institute
State the interior external diameter of the body of rod 6 with the outer internal diameter of the body of rod 1 to match, and consider that the interior body of rod 6 with sleeve pipe 7 can smoothly be placed in the outer body of rod 1
In tube chamber.
Further, the selection of the external diameter of the outer body rod 1, wall thickness must consider requirement of the drilling construction to its intensity, interior bar
The external diameter selection of body 6, must consider its intensity requirement needed for together with the outer shared whole anchor force of the body of rod 1.
A kind of construction method of composite rod automatic anchor pole as shown in Figure 7, comprises the following steps：
Step 1：In foundation pit side-wall precalculated position, waist rail is set, and anchor bolt construction hole is reserved on waist rail, utilizes rig
The drilling rod that will be made up of the outer body of rod 1, drill bit 2, through anchor bolt construction hole, creep into desired depth, in drilling process, according to need
The hop count of the outer body of rod 1 is selected, if hop count >=2 section of the outer body of rod 1, is connected between adjacent two sections of outer bodies of rod 1 by connection sleeve pipe
Connect；
Step 2：Fresh cement grout is filled in the drilling of the outer body of rod 1 and drill bit 2 that are crept into step 1；
Step 3：Inner sleeve 7 is set on the interior top of the body of rod 1 according to design requirement, will be with inner sleeve before cement grout initial set
In the tube chamber of the outer body of rod 1 in the inserting step two of the interior body of rod 6 of pipe 7；
Step 4：After cement grout solidifies and reaches some strength, the end sleeve upper padding plate of the outer body of rod 1 in step 2
5, backing plate 5 is pressed on waist rail, then is connected through a screw thread with nut 4 and the outer body of rod 1, and is tightened, and nut 4 is pressed on backing plate 5；
Step 5：The top of nut 4 sets packing ring 9 in step 4, then finished product anchorage 8 is enclosed on into the interior end of the body of rod 6, finished product
Anchorage is pressed on packing ring, applies certain pretension to interior body rod 6 by jack, then using finished product lockset pin in the body of rod 6,
Realize the tensioning fixation of the interior body of rod 6.In the process, interior body of rod bottom (part for being not provided with sleeve pipe) passes through solidifying with the outer body of rod
Solid cement grout tight bond together, and the interior body of rod top part of sleeve pipe (be provided with) due to the buffer action of sleeve pipe, with
The outer body of rod does not bond, and can freely stretch.
The utility model is not limited to the embodiment, and anyone should learn what is made under enlightenment of the present utility model
Structure change, it is every that there is same or like technical scheme with the utility model, each fall within the scope of protection of the utility model
Within.
Technology that the utility model is not described in detail, shape, construction part are known technology.
Claims (6)
- A kind of 1. composite rod automatic anchor pole, it is characterised in that：Including the outer body of rod, drill bit, nut, backing plate, the interior body of rod, finished product Anchorage, packing ring, the outer body of rod are hollow circular tube, and outer surface is provided with continuous corrugated thread, and the drill bit inside top carries Screw thread, drill bit top and the lower end of the outer body of rod are connected through a screw thread, and the nut is connected through a screw thread with outer body of rod top, described Round hole is carried among backing plate, is enclosed on the outer body of rod, is placed in below nut, the top of the interior body of rod is provided with inner sleeve, Both one are placed in outer bar body tube chamber, and the top of the interior body of rod is anchored by finished product anchorage to be locked, finished product anchorage and nut it Between be provided with packing ring.
- A kind of 2. composite rod automatic anchor pole according to claim 1, it is characterised in that：The outer body of rod is provided with more Section, it is detachably connected, is threaded on the inside of connection sleeve pipe, the outer body of rod and company by connection sleeve pipe between two adjacent outer bodies of rod Female connector pipe is connected through a screw thread.
- A kind of 3. composite rod automatic anchor pole according to claim 1, it is characterised in that：Noted in the outer body of rod tube chamber Full water mud.
- A kind of 4. composite rod automatic anchor pole according to claim 1, it is characterised in that：The ripple of the external side of outer bar Shape screw thread matches with the inside thread, nut screw thread, drill bit inside top screw thread of connection sleeve pipe, to realize threaded connection.
- A kind of 5. composite rod automatic anchor pole according to claim 1, it is characterised in that：The interior body of rod and sleeve pipe phase Matching, the interior body of rod match with finished product anchorage.
- A kind of 6. composite rod automatic anchor pole according to claim 1, it is characterised in that：The external diameter of the outer body of rod is set For 40~70mm, wall thickness is 4~7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909386.7U CN207032236U (en) | 2017-07-26 | 2017-07-26 | A kind of composite rod automatic anchor pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909386.7U CN207032236U (en) | 2017-07-26 | 2017-07-26 | A kind of composite rod automatic anchor pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207032236U true CN207032236U (en) | 2018-02-23 |
Family
ID=61462494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720909386.7U Active CN207032236U (en) | 2017-07-26 | 2017-07-26 | A kind of composite rod automatic anchor pole |
Country Status (1)
| Country | Link |
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| CN (1) | CN207032236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190743A (en) * | 2017-07-26 | 2017-09-22 | 山东省城乡建设勘察设计研究院 | A kind of composite rod automatic anchor pole and its construction method |
-
2017
- 2017-07-26 CN CN201720909386.7U patent/CN207032236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190743A (en) * | 2017-07-26 | 2017-09-22 | 山东省城乡建设勘察设计研究院 | A kind of composite rod automatic anchor pole and its construction method |
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