SU972127A1 - Apparatus for setting roof bolting - Google Patents
Apparatus for setting roof bolting Download PDFInfo
- Publication number
- SU972127A1 SU972127A1 SU813267530A SU3267530A SU972127A1 SU 972127 A1 SU972127 A1 SU 972127A1 SU 813267530 A SU813267530 A SU 813267530A SU 3267530 A SU3267530 A SU 3267530A SU 972127 A1 SU972127 A1 SU 972127A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- well
- roof bolting
- anchor
- solution
- setting roof
- Prior art date
Links
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- Piles And Underground Anchors (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
1one
Изобретение относитс к креплению горных выработок, а именно к устройствам дл установки анкерной крепи.The invention relates to the fastening of mine workings, namely to devices for the installation of anchor lining.
Известено устройство дл установки анкерной крепи, включающее установленный на анкерной штанге герметизатор, выполненный в виде выпуклого диска с размещенными в нем трубками дл подачи цементного раствора и удалени воздуха из скважины 1.A device for installing anchor supports is known, which includes a sealer mounted on the anchor rod, made in the form of a convex disk with tubes in it for supplying cement mortar and removing air from the well 1.
Недостаток такого устройства заключаетс в том, что трубка дл удалени воздуха необходима на всю длину скважины, так как скважину заполн ют це.ментным раствором , начина от ее усть . Нри этом после заполнени скважины раствором необходи.мо извлечь из нее трубки дл подачи цементного раствора и удалени воздуха. Это приводит к нарушению сплошности столба цементного раствора. Кроме того, подачу цементного раствора осуществл ют на сухие стенки скважины, покрытые пылью, что приводит к усадке столба цементного раствора и к ухудшению ее сцеплени со стенками скважины. Вследствие заполнени цементным раствором скважины в направлении от усть скважины к ее донной части дно скважинь может не полностью заполненс; цементным раствором.The disadvantage of such a device is that the tube for removing air is necessary for the entire length of the well, since the well is filled with a cement solution, starting from its mouth. After this, after filling the well with the solution, it is necessary to remove the tubes from it for supplying the cement slurry and removing the air. This leads to a discontinuity of the cement mortar column. In addition, the cement slurry is applied to the dry walls of the well, covered with dust, which causes the grout to shrink and deteriorate in its adhesion to the walls of the well. Due to the cement mortar filling in the direction from the wellhead to its bottom part, the bottom of the well may not be completely filled; cement mortar.
Наиболее близким к предлагаемому по технической сущности и достигаемому результату вл етс устройство дл установкиClosest to the proposed technical essence and the achieved result is a device for installing
5 анкерной крепи, включающее скольз щий по стержню анкера герметизатор, установленный на размещенном в скважине конце раствороподающей трубки 2.5 anchor support, comprising a sealer sliding along the anchor rod, mounted on the end of the solution tube 2 placed in the well.
Однако при таком устройстве нагнетаниеHowever, with such a device, the discharge
,Q раствора осуществл ют в скважин), имеющую сухие стенки, покрытые пылью, оставщейс после бурени скважин, что значительно ухудшает сцепление раствора со стенкой скважины, вследствие чего снижаетс несуща способность анкера.The Q solution is carried out in wells), having dry walls covered with dust remaining after drilling, which significantly impairs the adhesion of the solution to the wall of the well, as a result of which the carrying capacity of the anchor is reduced.
15 Цель изобретени -- повышение несущей способности анкера путем увеличени сцеплени закрепл ющего раствора со стенками скважины.The purpose of the invention is to increase the carrying capacity of the anchor by increasing the adhesion of the fixative solution to the walls of the well.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU813267530A SU972127A1 (en) | 1981-04-01 | 1981-04-01 | Apparatus for setting roof bolting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU813267530A SU972127A1 (en) | 1981-04-01 | 1981-04-01 | Apparatus for setting roof bolting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU972127A1 true SU972127A1 (en) | 1982-11-07 |
Family
ID=20950329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU813267530A SU972127A1 (en) | 1981-04-01 | 1981-04-01 | Apparatus for setting roof bolting |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU972127A1 (en) |
-
1981
- 1981-04-01 SU SU813267530A patent/SU972127A1/en active
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