CN2903380Y - Expand shell type resin anchor - Google Patents
Expand shell type resin anchor Download PDFInfo
- Publication number
- CN2903380Y CN2903380Y CN 200620024178 CN200620024178U CN2903380Y CN 2903380 Y CN2903380 Y CN 2903380Y CN 200620024178 CN200620024178 CN 200620024178 CN 200620024178 U CN200620024178 U CN 200620024178U CN 2903380 Y CN2903380 Y CN 2903380Y
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- rod
- shell
- type resin
- resin anchor
- anchor
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- Expired - Lifetime
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Abstract
The utility model is an expansion shell resin anchor rod which relates to the down-hole tunnel support device in coal mines or other mines and resolves the problem of low strength of extension and bearing of the current anchor rod, complicated installment and long installment period or the like. The expansion shell resin anchor rod comprises a anchor rod body and a tray at the lower end of the rod body. The upper portion of the rod body is provided successively with a extension shell and conical nut with the end portion inserting into the expansion shell and connected with the rod body screw threads. A transverse hole which is provided with mood pin inside is arranged on the conical nut. The screw threads are disposed on the rear portion of the rod body. The tray and a sphere-shaped pad are covered inside the rod body and tightly fixed by torque nut. The central portion of the tray is in the shape of a reversed cone with the inner wall of the centre hole engaged with the sphere-shaped pad. The expansion shell resin anchor rod has the characteristics of high strength of extension and bearing, simple, convenient and fast installment and operations, thereby widely applicable for down-hole support in coal mines or other mines.
Description
Technical field
The utility model relates to colliery or other mine underworkings suspension device, is specially the shell-type resin anchor that expands.
Background technology
The anchor pole product mainly contains fried dough twist formula resin anchor, does not have vertical rib screw-thread steel resin anchor, pipe seam anchor bar, inverted wedge type anchor rod etc. at present.All kinds of anchor poles are through for many years use, and product quality and technical performance are all more stable, but also have weak point.Relatively low such as fried dough twist formula resin anchor tensile strength and bearing capacity, the set-up time is longer; Do not solved tensile strength and the relatively low problem of bearing capacity though there is vertical rib screw-thread steel formula resin anchor, the set-up time is also longer; Pipe seam anchor bar tensile strength and bearing capacity are all relatively low, can not satisfy the superseded trend of needs of producing.
When existing resinae anchor pole is installed, will put into resin anchoring agent earlier in petrosal foramen, anchor rod body inserts rotation agitating resin anchoring agent in the petrosal foramen, after resin anchoring agent solidifies with anchor rod anchored.When concrete construction, require the body of rod in petrosal foramen, to stir to finish the back to wait for certain hour ability tray and pretension, like this, just limited bolt support speed of application, increased the set-up time.
Summary of the invention
Problems such as the utility model solution has anchor pole tensile strength now and bearing capacity is lower and it is complicated to install, set-up time length provide a kind of tensile strength and bearing capacity the higher and bloated simply and easily shell-type resin anchor of installation.
The utility model is to adopt following technical scheme to realize: the shell-type resin anchor that expands, comprise anchor rod body and be placed in the pallet of body of rod afterbody, be equipped with successively in body of rod end expand shell and insert in the shell that expands and with the tapered cup nut of body of rod spiral marking connection.During use, pallet is placed in body of rod lower end, the bloated shell on the body of rod and top thereof and tapered cup nut insert boring (being placed with resin anchoring agent in the boring), rely on extruding force upwards that resin-bonded mastic is flowed, realization is fully stirred the resin anchoring agent in the petrosal foramen, treat that tapered cup nut withstands the boring end (or pallet and crag be adjacent to), rotate the body of rod, rotation along with the body of rod, the tapered cup nut of body of rod end moves downward, make the tapered cup nut inlay card in the shell that expands and the shell that will expand struts, body of rod mechanical swelling is anchored in the boring.Tapered cup nut on anchor pole top (being provided with open slot) and bloated shell can make the anchoring agent fully be stirred and improve mixing speed, reduced mixing time, make anchor pole have the double dominant of mechanical swelling anchoring and chemical anchoring, thereby improve the tensile strength and the bearing capacity of anchor pole greatly.The expansion structure that body of rod end is formed by expand shell and tapered cup nut, can make anchor pole realize carrying fast, save 5-10 minute wait gel time of existing resinae anchor pole, the whole erection process is accomplished without any letup, simplify erection procedure greatly, shortened the set-up time, improved driving speed.
Bloated shell-type resin anchor tensile strength described in the utility model and bearing capacity height, construction and installation are simple, convenient, quick.Can be widely used in colliery or other mine down-hole supporting.
Description of drawings
Fig. 1 is a kind of concrete structure schematic diagram of anchor pole described in the utility model;
Fig. 2 is the another kind of concrete structure schematic diagram of anchor pole described in the utility model;
Fig. 3 is the third concrete structure schematic diagram of anchor pole described in the utility model;
Fig. 4 is a kind of structure chart of tapered cup nut;
Fig. 5 is the A-A sectional drawing of Fig. 4;
Fig. 6 is the another kind of structure chart of tapered cup nut;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the structural representation of the shell that expands;
Fig. 9 is the B-B sectional drawing of Fig. 8;
Among the figure: 1-anchor rod body, 2-pallet, the 3-shell that expands, 4-tapered cup nut, 5-dowel, 6-bolt head, 7-groove, 8-outer layer body, 9-body of rod sleeve pipe, 10-drawing groove, 11-pull-out test circle, 12-ball pad, 13-torque nut, 14-nut or snap ring.
The specific embodiment
Embodiment 1
The shell-type resin anchor that expands comprises anchor rod body 1 and is placed in the pallet 2 of body of rod afterbody, be with successively on body of rod top that expand shell 3 and end are inserted in the shell that expands and with the tapered cup nut 4 of body of rod spiral marking connection.During concrete enforcement, can on the body of rod 1, establish a variable-diameter structure (being that body of rod diameter changes), block the shell 3 that expands by this variable-diameter structure, and the valve jacket of realizing expanding be in body of rod top; Perhaps overlap a nut or fix a snap ring 14 on the body of rod 1, block bloated shell by nut or snap ring 14, and realize bloated valve jacket in body of rod top, these all are to realize expanding valve jacket in the conventional structure on body of rod top.On tapered cup nut 4, have transverse holes, be provided with dowel 5 in the transverse holes.5 position-limiting actions of dowel, the tapered cup nut shell that exceedingly will expand struts when preventing that anchor pole from not using; During installation, the body of rod is disconnected with the dowel top under external force, and tapered cup nut is moved down smoothly.Have groove 7 on the external surface of tapered cup nut 4, can make tapered cup nut better resin anchoring agent be implemented to stir by groove 7.The shell 3 that expands constitutes by the outer layer body 8 that has the expansion tooth with body of rod sleeve pipe 9 that the outer layer body inwall connects firmly.The expansion tooth external surface of outer layer body is provided with pawl.
The body of rod 1 lower end is provided with the bolt head 6 with body of rod one.During use, before anchor rod body inserts boring, packing ring (comprising plain washer and nylon washer), tray sleeve are got final product on the body of rod, realize that with this pallet is adjacent to carrying at the body of rod and rib or crag.Screw thread, the bolt fixed mode of existing anchor pole pallet are easy and simple to handle.Existing resin anchor installation operation is comparatively loaded down with trivial details, be generally punching-dress anchoring agent-dress body of rod-afterbody dress double nut back of the body tight-stir-solidify wait (being approximately 3-8 minute)-unload back tightening nut-dress pallet, packing ring, nut-pretension-withdraw, transmit by the double nut back of the body is tight owing to stir moment of torsion, have certain operation unreliability.And the working procedure of anchor pole described in the utility model can be reduced to punching-dress anchoring agent-dress body of rod (being included on the body of rod cover packing ring and pallet)-stir-withdraw, and the operation content is saved half, and operation is reliable.Greatly reduce working strength of workers, improved operating efficiency.The bolt head structure of body of rod afterbody and body of rod one has changed the screw thread of existing common bolt body of rod end, makes each one of the body of rod etc. strong, has further improved the bearing capacity of anchor pole again.Afterbody at bolt head 6 has drawing groove 10, perhaps at the pull-out test circle 11 that is with on the body of rod between bolt head 6 and pallet.Draw-off gear cooperates with anchor pole by the line of rabbet joint that forms between this drawing groove or pull-out test circle and the bolt head, and drawing downwards is to detect whether reliable anchoring or detect the anchored force of anchor pole of anchor pole.
To expand shell and tapered cup nut is contained in body of rod end, pallet, packing ring is inserted in again; In the boring of top, tunnel, put into the anchoring agent in the boring, anchor pole is put into boring, and the special drilling machine connector is enclosed within on the afterbody flange bolt head, anchor pole is pushed boring realize anchoring.
Embodiment 2
The shell-type resin anchor that expands comprises anchor rod body 1 and is placed in the pallet 2 of body of rod afterbody, be equipped with successively in body of rod upper end that expand shell 3 and end are inserted in the shell that expands and with the tapered cup nut 4 of body of rod spiral marking connection.During concrete enforcement, a variable-diameter structure (being that body of rod diameter changes) is arranged on the body of rod 1, block the shell 3 that expands by this variable-diameter structure, and the valve jacket of realizing expanding is in body of rod top; Perhaps adorn a nut or fix a snap ring 4 on the body of rod 1, block bloated shell by nut or snap ring 4, and realize bloated valve jacket in body of rod top, these all are to realize expanding valve jacket in the conventional structure on body of rod top.On tapered cup nut 4, have transverse holes, be provided with dowel 5 in the transverse holes.5 position-limiting actions of dowel, the tapered cup nut shell that exceedingly will expand struts when preventing that anchor pole from not using; During installation, the body of rod is disconnected with the dowel top under external force, and tapered cup nut is moved down smoothly.Have groove 7 on the external surface of tapered cup nut 4, can make tapered cup nut better resin anchoring agent be implemented extruding and stirring by groove 7.The shell 3 that expands constitutes by the outer layer body 8 that has the expansion tooth with body of rod sleeve pipe 9 that the outer layer body inwall connects firmly.The expansion tooth external surface of outer layer body is provided with pawl.
The body of rod 1 lower end is provided with screw thread, and pallet 2, ball pad 12 are inserted in the body of rod and fastening with torque nut 13, realize the location of pallet in body of rod lower end with this.Pallet 2 centres are reverse taper, and its center bore inner wall matches with ball pad 12.Because the setting of ball pad 12, pallet 2 can realize that promptly the tray position state can change with the crag form within the specific limits, make anchor pole also anchoring well on uneven crag.
To expand shell and tapered cup nut is contained in body of rod end, and pallet 2, ball pad 12 are inserted in body of rod lower end and fastening with torque nut 13; Hole at the top, tunnel, after putting into the anchoring agent in the petrosal foramen anchor pole is put into, special drilling machine is enclosed within on the afterbody torque nut 13 and advances, after at the bottom of being advanced to the hole, the rotation body of rod struts the shell that expands, and after pretightning force reaches standard, is rotated further rig the pretension sheet of torque nut 13 is opened, directly fastening nut 13 is finished installation.
Claims (9)
1, a kind of bloated shell-type resin anchor comprises anchor rod body (1) and is placed in the pallet (2) of body of rod lower end, it is characterized by: be equipped with successively on body of rod top that bloated shell (3) and end are inserted in the shell that expands and with the tapered cup nut (4) of body of rod spiral marking connection.
2, bloated shell-type resin anchor as claimed in claim 1 is characterized by: have transverse holes on tapered cup nut (4), be provided with dowel (5) in the transverse holes.
3, bloated shell-type resin anchor as claimed in claim 1 or 2 is characterized by: have groove (7) on the external surface of tapered cup nut (4).
4, bloated shell-type resin anchor as claimed in claim 1 or 2 is characterized by: the shell (3) that expands constitutes by the outer layer body that has the expansion tooth (8) with body of rod sleeve pipe (9) that the outer layer body inwall connects firmly.
5, bloated shell-type resin anchor as claimed in claim 3 is characterized by: the shell (3) that expands constitutes by the outer layer body that has the expansion tooth (8) with body of rod sleeve pipe (9) that the outer layer body inwall connects firmly.
6, bloated shell-type resin anchor as claimed in claim 1 or 2 is characterized by: the body of rod 1 lower end is provided with the bolt head (6) with body of rod one.
7, bloated shell-type resin anchor as claimed in claim 6 is characterized by: the afterbody at bolt head (6) has drawing groove (10).
8, bloated shell-type resin anchor as claimed in claim 6 is characterized by: be with the pull-out test circle (11) that is positioned between bolt head (6) and the pallet on the body of rod.
9, bloated shell-type resin anchor as claimed in claim 1 or 2, it is characterized by: the body of rod (1) lower end is provided with screw thread, pallet (2), ball pad (12) are inserted in the body of rod and fastening with torque nut (13), and pallet (2) centre is reverse taper, and its center bore inner wall matches with ball pad (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024178 CN2903380Y (en) | 2006-04-19 | 2006-04-19 | Expand shell type resin anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024178 CN2903380Y (en) | 2006-04-19 | 2006-04-19 | Expand shell type resin anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2903380Y true CN2903380Y (en) | 2007-05-23 |
Family
ID=38078790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620024178 Expired - Lifetime CN2903380Y (en) | 2006-04-19 | 2006-04-19 | Expand shell type resin anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2903380Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140925A (en) * | 2011-03-09 | 2011-08-03 | 安徽佳泰矿业科技有限公司 | Expansion type high-strength anchor rod |
| CN102287430A (en) * | 2010-06-18 | 2011-12-21 | 菲尔普钢筋技术有限公司 | Improved tension anchor made of fiber-reinforced plastic material |
| CN102733835A (en) * | 2012-07-03 | 2012-10-17 | 四川伯源岩土工程有限公司 | Watery distension anchor rod, matching connecting joint and connection method of watery distension anchor rod |
| CN101463855B (en) * | 2007-12-17 | 2013-03-13 | 喜利得股份公司 | Protective element |
| CN107355257A (en) * | 2017-09-01 | 2017-11-17 | 中煤第建设有限公司 | The permanent traverse point of underground mine use and installation method |
| CN107747500A (en) * | 2017-11-14 | 2018-03-02 | 缪协兴 | A kind of pressure-relieving achor bar |
-
2006
- 2006-04-19 CN CN 200620024178 patent/CN2903380Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463855B (en) * | 2007-12-17 | 2013-03-13 | 喜利得股份公司 | Protective element |
| CN102287430A (en) * | 2010-06-18 | 2011-12-21 | 菲尔普钢筋技术有限公司 | Improved tension anchor made of fiber-reinforced plastic material |
| CN102140925A (en) * | 2011-03-09 | 2011-08-03 | 安徽佳泰矿业科技有限公司 | Expansion type high-strength anchor rod |
| CN102733835A (en) * | 2012-07-03 | 2012-10-17 | 四川伯源岩土工程有限公司 | Watery distension anchor rod, matching connecting joint and connection method of watery distension anchor rod |
| CN107355257A (en) * | 2017-09-01 | 2017-11-17 | 中煤第建设有限公司 | The permanent traverse point of underground mine use and installation method |
| CN107747500A (en) * | 2017-11-14 | 2018-03-02 | 缪协兴 | A kind of pressure-relieving achor bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070523 |
|
| EXPY | Termination of patent right or utility model |