CN202451186U - Anchor rod tail portion protection cover - Google Patents
Anchor rod tail portion protection cover Download PDFInfo
- Publication number
- CN202451186U CN202451186U CN2012200340550U CN201220034055U CN202451186U CN 202451186 U CN202451186 U CN 202451186U CN 2012200340550 U CN2012200340550 U CN 2012200340550U CN 201220034055 U CN201220034055 U CN 201220034055U CN 202451186 U CN202451186 U CN 202451186U
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- China
- Prior art keywords
- anchor rod
- tail portion
- protection cover
- rod tail
- cover
- 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.)
- Expired - Fee Related
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Abstract
An anchor rod tail portion protection cover is suitable for areas where danger caused by rock burst is easy to happen in coal mining industry. The anchor rod tail portion protection cover is composed of a cover body and a cover head. An inner groove and an outer groove are arranged in the cover body. Inner threads are embedded in the inner groove, and the inner groove is used for being connected with a tail portion thread section of a mine onsite anchor rod exposed to the outside after installation. The outer groove is used for containing an anchor rod nut. The cover body is hexahedron-shaped, and the cover head is spherical. The inner threads are made of steel materials, and other portions of the anchor rod tail portion protection cover are made of rubber materials. When the rock burst happens, the anchor rod tail portion protection cover can reduce possibility of injury of workers caused by the fact that the anchor rod tail portion exposed section is cast or moves rapidly to the excavation space with a rock body. When the rock burst does not happen, the anchor rod tail portion protection cover can avoid that the workers are scratched by the anchor rod tail portion exposed section in the operation period.
Description
Technical field
The utility model relates to a kind of anchor pole tail part protection cover, has the zone that bump is caused danger in the industry that is particularly useful for digging up mine.
Background technology
In fields, mine such as collieries, along with adopting continuing to increase of dark and mining rate, the bump disaster is serious day by day.Bolt support is extensively adopted at the bump mine, and has obtained positive effect.
Through many bump crash analyses being found when bump took place, the thread segment that the anchor pole afterbody is exposed caused one of major reason of field worker injures and deaths often; Be embodied in three kinds of forms: one of which, when bump took place, the thump loading was to pallet; Pallet will impact nut, and nut is anchored on thread segment, because the spiral thread on anchor bolt section is the lower part of anchor rod strength; When shock loading is enough big, will cause thread segment to be broken at the nut place, the thread segment and the nut that break away from the body of rod will be thrown to the digging space at a high speed; If there is the workman to be on its movement locus, will inevitably be hit.Because anchor pole all adopts steel to make at present, the workman is very easily caused injures and deaths in case quilt hits.Its two, when bump takes place, how with the rapid distortion or the destructions on country rock surface, and anchor pole will along with the rock mass of anchorage zone to the digging spatial movement, near the workman exposed thread segment often most possibly hits, thus cause injures and deaths.Its three, when bump took place, violent base plate vibrations often caused workman's disequilibrium, in case the workman swings to the anchor pole exposed part, are easy to by scratch.It is thus clear that at the bump mine, when bump took place, exposed spiral thread on anchor bolt section was a kind of potential safety hazard as far as field worker.
The utility model content
In order to address the above problem, the purpose of the utility model provides a kind of simple in structure, easy for installation, with low cost, anchor pole tail part protection cover that effect is good.
For realizing above-mentioned purpose, the utility model is taked following technical scheme:
A kind of anchor pole tail part protection cover, it comprises cover body and capouch two parts; Described cover body contour is the regular hexahedron shape; This inside groove is embedded with internal thread, is used to connect the exposed thread segment of anchor pole afterbody, and described capouch profile is dome shape; Described cover body inside is provided with inside groove and water jacket; Groove depth is 6cm～10cm in described, and the nominal diameter of this internal thread has φ 18mm, φ 20mm, three kinds of selections of φ 22mm; Described water jacket is used to hold anchor nut, and described water jacket is cylindric, and this water jacket diameter is 40mm～50mm, and this outer groove depth is 10mm～15mm.
The axis of the axis of described cover body, the axis of described capouch, described inside groove, the axis of described water jacket overlap.
The embedded screw thread of described inside groove adopts steel to make, and the remainder of protective cover all adopts elastomeric material to make.
The beneficial effect of the utility model is: the inside groove of protective cover is embedded with screw thread, is used for protective cover is fastened on the anchor pole afterbody, can exposed thread segment and nut be wrapped in rubber-like rubber cover the inside.Protective cover cover body outside is the hexahedron shape, is convenient to screw.When bump takes place, if field worker with by the collision of the anchor pole afterbody of protective cover parcel, the rubber cover with cushioning effect can effectively reduce workman's degree that is hurt.Advantages such as this anchor pole tail part protection cover has easy for installation, and cost of production is low, and applicability is strong, and result of use is good.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is that Figure 1A-A is to the sectional structure sketch map.
Fig. 3 is the anchor pole tail structure sketch map that the utility model is not installed.
Fig. 4 is the structural representation of the anchor pole afterbody behind installation the utility model.
Drawing reference numeral: 1, cover body; 2, capouch; 3, inside groove; 4, internal thread; 5, water jacket; 6, nut; 7, pallet; 8, anchor rod body; 9, spiral thread on anchor bolt section.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
This enforcement is example with certain bump colliery, and bolt support is adopted in this coal mine impact deathtrap, and anchor pole tailing screw flight section nominal diameter is φ 20mm.
Like Fig. 1, shown in Figure 2, the utility model comprises cover body 1 and capouch 2 two parts; Described cover body 1 profile is the regular hexahedron shape; Described capouch 2 profiles are dome shape; Described cover body 1 inside is provided with inside groove 3 and water jacket 5; Described inside groove 3 degree of depth are 8cm, and this inside groove 3 is embedded with internal thread 4, and the nominal diameter of this internal thread 4 is φ 20mm, are used to connect the exposed thread segment 9 of anchor pole afterbody.Described water jacket 5 is used to hold anchor nut 6, and described water jacket 5 is cylindric, and this water jacket diameter is 45mm, and this outer groove depth is 12mm.
The axis of the axis of the axis of the axis of described cover body 1, described capouch 2, described inside groove 3, described water jacket 5 overlaps, on-the-spot effect such as Fig. 3, shown in Figure 4 of installing.
The internal thread 4 of described inside groove 3 inner surfaces adopts steel to make, and the remainder of protective cover all adopts elastomeric material to make.
During use, inside groove 3 is aimed at exposed anchor pole tailing screw flight section 9, screw to water jacket 5 nut 6 is all covered till.
Claims (4)
1. an anchor pole tail part protection cover is characterized in that it comprises: cover body (1) and capouch (2) two parts; Described cover body (1) inside is provided with inside groove (3) and water jacket (5), and this inside groove is embedded with internal thread (4); Described cover body (1) profile is the regular hexahedron shape; Described capouch (2) profile is dome shape.
2. a kind of anchor pole tail part protection cover according to claim 1 is characterized in that: described inside groove (3) degree of depth is 6cm～10cm; Described internal thread (4) nominal diameter has φ 18mm, φ 20mm, three kinds of selections of φ 22mm; Described water jacket (5) is cylindric, and this water jacket diameter is 40mm～50mm, and this outer groove depth is 10mm～15mm.
3. a kind of anchor pole tail part protection cover according to claim 2 is characterized in that: the axis of the axis of described cover body (1), the axis of described capouch (2), the axis of described inside groove (3), described water jacket (5) overlaps mutually.
4. a kind of anchor pole tail part protection cover according to claim 3 is characterized in that: the internal thread (4) of described inside groove (3) adopts steel to make, and the remainder of protective cover all adopts elastomeric material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200340550U CN202451186U (en) | 2012-02-03 | 2012-02-03 | Anchor rod tail portion protection cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200340550U CN202451186U (en) | 2012-02-03 | 2012-02-03 | Anchor rod tail portion protection cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451186U true CN202451186U (en) | 2012-09-26 |
Family
ID=46867055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200340550U Expired - Fee Related CN202451186U (en) | 2012-02-03 | 2012-02-03 | Anchor rod tail portion protection cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451186U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2015101246B4 (en) * | 2015-03-27 | 2016-08-25 | Fci Holdings Delaware, Inc. | Rock bolt fitting and assembly including same |
| CN108104857A (en) * | 2018-01-31 | 2018-06-01 | 南京品臻精密模具有限公司 | Anchor pole head protection cover |
| CN109339833A (en) * | 2018-12-05 | 2019-02-15 | 贵州大学 | A kind of coal mining protective device that anti-waste residue falls |
-
2012
- 2012-02-03 CN CN2012200340550U patent/CN202451186U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2015101246B4 (en) * | 2015-03-27 | 2016-08-25 | Fci Holdings Delaware, Inc. | Rock bolt fitting and assembly including same |
| CN108104857A (en) * | 2018-01-31 | 2018-06-01 | 南京品臻精密模具有限公司 | Anchor pole head protection cover |
| CN109339833A (en) * | 2018-12-05 | 2019-02-15 | 贵州大学 | A kind of coal mining protective device that anti-waste residue falls |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20140203 |