CN204572029U - A kind of roadway floor reinforcing anchor rope component - Google Patents
A kind of roadway floor reinforcing anchor rope component Download PDFInfo
- Publication number
- CN204572029U CN204572029U CN201520256249.9U CN201520256249U CN204572029U CN 204572029 U CN204572029 U CN 204572029U CN 201520256249 U CN201520256249 U CN 201520256249U CN 204572029 U CN204572029 U CN 204572029U
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- roadway floor
- anchor cable
- disrance sleeve
- sleeve
- rope component
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Abstract
The utility model relates to Coal Mining Technology field, particularly relates to a kind of roadway floor reinforcing anchor rope component.The roadway floor reinforcing anchor rope component that the utility model provides, comprise anchor cable, described anchor cable comprises anchoring section, prestress application section and free segment, is socketed with disrance sleeve, is tightly connected between described disrance sleeve and described anchoring section outside described prestress application section.In this application, apply section socket disrance sleeve at prestressd anchor cable, and be tightly connected between disrance sleeve and anchorage cable anchoring section, can prevent slurries from entering in disrance sleeve and contact with prestress application section, like this when reinforcing roadway floor, only need to carry out a high-pressure slip-casting, compared with the anchor cable that employing is traditional, its operation is less, speed of application is faster, the construction speed of roadway floor reinforcement is faster, and efficiency of construction is higher, effectively ensure that construction quality.
Description
Technical field
The utility model relates to Coal Mining Technology field, particularly relates to a kind of roadway floor reinforcing anchor rope component.
Background technology
At present, China's overwhelming majority colliery is all subject to the impact of distension on earth, after floor lift in gallery, not only destroy the mechanical property of country rock, and cause drift section to reduce, track inclination is out of shape, thus affect production and transport, the ventilation and pedestrian etc. of mine, be unfavorable for the safety in production of mine.At present, end distension administers the main method adopting slip casting and full-length prestress baseboard anchor cable comprehensive support, and when adopting the anchor devices such as existing anchor cable to carry out supporting, need first one end of anchor cable to be fixed on the bore inner that roadway floor is offered by the mode such as resin explosive roll or slip casting, then first stretch-draw is carried out, for anchor cable applies pretightning force, at the high-pressure slip-casting carrying out whole boring overall length scope after applying pretightning force for anchor cable, after grout cures, again combination of steel rope is finally risen and draw, to the anchoring value of design; Although, adopt above-mentioned anchor cable device, can ensure that anchor cable has higher prestressing force in length range, achieve the active support of anchor cable to broken rock, effectively can control roadway floor distortion; Adopted above-mentioned anchor cable to need to carry out twice slip casting at that time and can complete whole anchoring work, comparatively loaded down with trivial details in operation, speed of application is comparatively slow, affects the construction speed of roadway floor reinforcement, correspondingly wastes a large amount of human costs.
Therefore, for above deficiency, need to provide a kind of convenient, that speed of application is fast anchor rope component reinforced for baseboard of coal mine roadway of constructing.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: traditional anchor cable is when carrying out baseboard of coal mine roadway and reinforcing, and need to carry out twice slip casting and can complete whole reinforcement, operation is comparatively loaded down with trivial details, and speed of application is slower.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of roadway floor reinforcing anchor rope component, comprise anchor cable, described anchor cable comprises anchoring section, prestress application section and free segment, be socketed with disrance sleeve outside described prestress application section, be tightly connected between described disrance sleeve and described anchoring section.
Wherein, described disrance sleeve is connected with described anchoring section by joint ring.
Wherein, described joint ring is made up of elastomeric material.
Wherein, also comprise supporting mechanism, described supporting mechanism comprises the supporting sleeve be socketed on described disrance sleeve, and the outside wall surface of described supporting sleeve is connected with support bar.
Wherein, described supporting sleeve is provided with screw, described supporting sleeve is fixed on the outside of described disrance sleeve by the cooperation of screw described in bolt.
Wherein, described support bar is three, and three described support bars are uniformly distributed in the circumference of described supporting sleeve.
Wherein, described supporting mechanism includes multiple, and multiple described supporting mechanism is uniformly distributed at the length direction of described disrance sleeve.
Wherein, described disrance sleeve is plastic pipe.
Wherein, the pipe thickness of described disrance sleeve is 0.5-2mm.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the utility model provides a kind of roadway floor reinforcing anchor rope component, comprise anchor cable, described anchor cable comprises anchoring section, prestress application section and free segment, be socketed with disrance sleeve outside described prestress application section, be tightly connected between described disrance sleeve and described anchoring section.In this application, apply section socket disrance sleeve at prestressd anchor cable, and be tightly connected between disrance sleeve and anchorage cable anchoring section, can prevent slurries from entering in disrance sleeve and contact with prestress application section, like this when reinforcing roadway floor, only need to carry out a high-pressure slip-casting, compared with the anchor cable that employing is traditional, its operation is less, speed of application is faster, the construction speed of roadway floor reinforcement is faster, and efficiency of construction is higher, effectively ensure that construction quality.
Accompanying drawing explanation
The advantage of the above-mentioned and/or additional aspect of the utility model will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the roadway floor reinforcing anchor rope component described in the utility model embodiment;
Fig. 2 is the lateral view of supporting mechanism;
Fig. 3 is the top view of supporting mechanism;
Fig. 4 is schematic diagram when adopting the roadway floor reinforcing anchor rope component that provides of the utility model to carry out anchoring.
Corresponding relation wherein in Fig. 1 to Fig. 4 between Reference numeral and component names is:
1, anchor cable, 11, anchoring section, 12, prestress application section, 13, free segment, 2, disrance sleeve, 3, supporting mechanism, 31, supporting sleeve, 32, support bar, 33, bolt, 4, boring, 5, slurries.
Detailed description of the invention
In description of the present utility model, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of roadway floor reinforcing anchor rope component, comprise anchor cable 1, described anchor cable 1 comprises anchoring section 11, prestress application section 12 and free segment 13, be socketed with disrance sleeve 2 outside described prestress application section 12, be tightly connected between described disrance sleeve 2 and described anchoring section 11.Disrance sleeve 2 is socketed in anchor cable 1 prestress application section 12, and be tightly connected between disrance sleeve 2 and anchor cable 1 anchoring section 11, can preventing from slurries 5 from entering in disrance sleeve 2 to contact with prestress application section 12, like this when reinforcing roadway floor, only needing to carry out a high-pressure slip-casting, compared with the anchor cable 1 that employing is traditional, its operation is less, and speed of application is faster, and the construction speed of roadway floor reinforcement is faster, efficiency of construction is higher, effectively ensure that construction quality.
Particularly, described anchoring section 11 is for entering boring 4 lowermost end, for one section of fixing described anchor cable 1, described prestress application section 12 is that described anchor cable 1 is positioned at boring 4 other parts except anchoring section 11, described prestress application section 12 is for described anchor cable 1 Shi Hanzhang, described free segment 13 is the part that described anchor cable 1 stretches out outside boring 4, and described anchoring section 11, prestress application section 12 and described free segment 13 is integral type structure.
Preferably, described disrance sleeve 2 is connected with described anchoring section 11 by joint ring, described joint ring is that elastomeric material is made, as rubber, plastics etc., can prevent slurries 5 from entering in disrance sleeve 2 by anchoring section 11 and the junction of disrance sleeve 2 so better, hermetic seal better effects if, can guarantee the prestressed applying of anchor cable 1.
Certainly; also other modes can be adopted to seal; as filled as the filler such as flax, cotton at disrance sleeve 2 near adding between one end disrance sleeve 2 and anchor cable 1 of anchoring section 11; equally also can realize the object sealed in the application; its aim does not depart from design philosophy of the present utility model, should belong to protection domain of the present utility model.
Preferably, as shown in Figures 2 and 3, described anchor rope component also comprises supporting mechanism 3, described supporting mechanism 3 comprises the supporting sleeve 31 be socketed on described disrance sleeve 2, the outside wall surface of described supporting sleeve 31 is connected with support bar 32, acting as of described supporting mechanism 3 is fixing, the prestress application section 12 supported on disrance sleeve 2 and anchor cable 1, ensure that anchor cable 1 is all the time in the center of boring 4, ensure that the straightness accuracy of described anchor cable 1, be conducive to giving full play to of described anchor cable 1 effect, the quality of anchoring can be improved.
One end of described support bar 32 is fixed on described supporting sleeve 31, the other end contacts with hole wall in use, for limiting the position of anchor cable 1 in boring 4, described support bar 32 is preferably three (as shown in Figure 3), and three described support bars 32 are uniformly distributed in the circumference of described supporting sleeve 31; Described supporting sleeve 31 is provided with screw, described supporting sleeve 31 is fixed on the outside of described disrance sleeve 2 by the cooperation of screw described in bolt 33, particularly, described bolt 33 and described screwed hole screw locks and contacts with described disrance sleeve 2, described supporting sleeve 31 is fixed on described disrance sleeve 2, prevents described supporting sleeve 31 from sliding.
Preferably, described supporting mechanism 3 includes multiple, and multiple described supporting mechanism 3 is uniformly distributed at the length direction of described disrance sleeve 2, works the better effects if supported like this, can guarantee that anchor cable 1 is all in center in whole boring 4, ensure the straightness accuracy of anchor cable 1.
Particularly, described disrance sleeve 2 is plastic pipe, and as PVC, PP, ABS etc., the pipe thickness of described disrance sleeve 2 is 0.5-2mm.
The course of work adopting the anchor rope component provided in the application to carry out anchoring is illustrated below in conjunction with Fig. 4.
Step one, making anchor cable 1: described anchor cable 1 is divided into anchoring section 11, prestress application section 12 and free segment 13, and described prestress application section 12 is set with disrance sleeve 2, and described disrance sleeve 2 is tightly connected with described anchoring section 11.Described anchor cable 1 length is 3-6 rice, wherein, described anchoring section 11 length is 1-2 rice, the internal diameter of described disrance sleeve 2 and the diameter of described anchor cable 1 adapt, be preferably plastic pipe, its pipe thickness is 0.5-2 millimeter, and use plastic pipe has softness, lightweight, material source extensive, easily seals and the advantages such as good seal performance.The Main Function of described disrance sleeve 2 is that prestress application section 12 and slurries 5 are isolated, and described disrance sleeve 2 is tightly connected with described anchoring section 11, prevents described slurries 5 from entering between described disrance sleeve 2 and described anchor cable 1.Traditional reinforcement means adopts the method for grouting to be fixed in roadway floor deep wall rock by one end of prestress anchorage cable 1, then rise for the first time and draw, rise and draw rear anchor cable 1 to have certain prestressing force, carry out the high-pressure slip-casting in anchor cable 1 length range on this basis again, after slurries 5 solidify, again combination of steel rope 1 is finally risen and draw, to the anchoring value of design, need to carry out twice slip casting and rise for twice drawing, draw if do not carried out first time slip casting and rising, directly carry out the slip casting in length range, slurries 5 will limit the performance of described anchor cable 1 effect, anchor cable 1 prestressing force is not high.The application adopts described disrance sleeve 2 to make there is the ring-type scope of freedom between slurries 5 and described anchor cable 1, the applying of described anchor cable 12 total length pretightning force can be ensured, do not need first time slip casting and the tension of conventional method, directly carry out the slip casting in described anchor cable 1 length range, the prestress application section 12 of slurries 5 and described anchor cable 1 is isolated by described isolation pipe box, can not affect described anchor cable 1 effect performance, rise draw after there is higher prestressing force.
Step 2, boring 4: the boring 4 of construction diameter 42-56 millimeter on the country rock body of baseboard of coal mine roadway, in the outside of described disrance sleeve 2, some anchor cable 1 supporting mechanisms 3 are equidistantly installed, spacing distance between adjacent described supporting mechanism 3 is 1-1.5 rice and described anchor cable 1 is put into described boring 4, and near the position in aperture, sealer is installed in described boring 4, high-pressure slip-casting needs sealing of hole, otherwise the leakage of slurries 5 can occur.
Step 3, in anchor cable 1 length range, carry out a high-pressure slip-casting, enter in described boring 4 by slurries 5 by Grouting Pipe, grouting pressure is 4-6Mpa.
Step 4, after slurries 5 solidify, use and rise and draws equipment to carry out high-pressure pre-tighten, to setting pretension value, pretightning force is preferably 60% of anchor cable 1 ultimate load, described in rise and draw equipment to be preferably made up of jack and power source, described power source can be electric oil pump, pneumatic oil pump, manual pump.Before described anchor cable 1 being risen and is drawn in step 4, also need at the outside tray of described boring 4, on rear side of described pallet, ground tackle is installed, described ground tackle has through hole, in described through hole, there is intermediate plate, the free end of described anchor cable 1 passes from described through hole, and the free end of described anchor cable 1 is fixedly clamped on described ground tackle by described intermediate plate.
In sum, the roadway floor reinforcing anchor rope component that the utility model provides, comprises anchor cable, and described anchor cable comprises anchoring section, prestress application section and free segment, be socketed with disrance sleeve outside described prestress application section, be tightly connected between described disrance sleeve and described anchoring section.In this application, apply section socket disrance sleeve at prestressd anchor cable, and be tightly connected between disrance sleeve and anchorage cable anchoring section, can prevent slurries from entering in disrance sleeve and contact with prestress application section, like this when reinforcing roadway floor, only need to carry out a high-pressure slip-casting, compared with the anchor cable that employing is traditional, its operation is less, speed of application is faster, the construction speed of roadway floor reinforcement is faster, and efficiency of construction is higher, effectively ensure that construction quality; It is also provided with braced structures simultaneously and can ensures that anchor cable is in the center of boring all the time, guarantee the straightness accuracy of anchor cable, be conducive to giving full play to of described anchor cable effect, the quality of anchoring can be improved.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a roadway floor reinforcing anchor rope component, it is characterized in that: comprise anchor cable (1), described anchor cable (1) comprises anchoring section (11), prestress application section (12) and free segment (13), described prestress application section (12) outside is socketed with disrance sleeve (2), is tightly connected between described disrance sleeve (2) and described anchoring section (11).
2. roadway floor reinforcing anchor rope component according to claim 1, is characterized in that: described disrance sleeve (2) is connected with described anchoring section (11) by joint ring.
3. roadway floor reinforcing anchor rope component according to claim 2, is characterized in that: described joint ring is made up of elastomeric material.
4. roadway floor reinforcing anchor rope component according to claim 1, it is characterized in that: also comprise supporting mechanism (3), described supporting mechanism (3) comprises the supporting sleeve (31) be socketed on described disrance sleeve (2), the outside wall surface of described supporting sleeve (31) is connected with support bar (32).
5. roadway floor reinforcing anchor rope component according to claim 4, it is characterized in that: (31) are provided with screw to described supporting sleeve, described supporting sleeve (31) is fixed on the outside of described disrance sleeve (2) by the cooperation of bolt (33) described screw.
6. roadway floor reinforcing anchor rope component according to claim 4, is characterized in that: described support bar (32) is three, three described support bars (32) are uniformly distributed in the circumference of described supporting sleeve (31).
7. the roadway floor reinforcing anchor rope component according to any one of claim 4-6, it is characterized in that: described supporting mechanism (3) includes multiple, multiple described supporting mechanism (3) is uniformly distributed at the length direction of described disrance sleeve (2).
8. roadway floor reinforcing anchor rope component according to claim 7, is characterized in that: described disrance sleeve (2) is plastic pipe.
9. roadway floor reinforcing anchor rope component according to claim 8, is characterized in that: the pipe thickness of described disrance sleeve (2) is 0.5-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256249.9U CN204572029U (en) | 2015-04-24 | 2015-04-24 | A kind of roadway floor reinforcing anchor rope component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256249.9U CN204572029U (en) | 2015-04-24 | 2015-04-24 | A kind of roadway floor reinforcing anchor rope component |
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| Publication Number | Publication Date |
|---|---|
| CN204572029U true CN204572029U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256249.9U Expired - Fee Related CN204572029U (en) | 2015-04-24 | 2015-04-24 | A kind of roadway floor reinforcing anchor rope component |
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| CN (1) | CN204572029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397782A (en) * | 2020-03-25 | 2020-07-10 | 深圳市工勘岩土集团有限公司 | Stress estimation method for pre-stressed anchor cable |
| CN115749886A (en) * | 2022-12-02 | 2023-03-07 | 西南交通大学 | Pipe cable pre-stressing device for expanding surrounding rock supporting range and construction method |
-
2015
- 2015-04-24 CN CN201520256249.9U patent/CN204572029U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397782A (en) * | 2020-03-25 | 2020-07-10 | 深圳市工勘岩土集团有限公司 | Stress estimation method for pre-stressed anchor cable |
| CN115749886A (en) * | 2022-12-02 | 2023-03-07 | 西南交通大学 | Pipe cable pre-stressing device for expanding surrounding rock supporting range and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160424 |