CN204113315U - A kind of zero moment of torsion anchor pole pretightening machine tool - Google Patents
A kind of zero moment of torsion anchor pole pretightening machine tool Download PDFInfo
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- CN204113315U CN204113315U CN201420489046.XU CN201420489046U CN204113315U CN 204113315 U CN204113315 U CN 204113315U CN 201420489046 U CN201420489046 U CN 201420489046U CN 204113315 U CN204113315 U CN 204113315U
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- anchor pole
- stamper
- bearing sleeve
- fastening screw
- retention mechanism
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Abstract
The utility model proposes a kind of zero moment of torsion anchor pole pretightening machine tool, with pretension anchor pole with the use of, comprising: hydraulic jack, pressure-bearing sleeve, connecting rod, transition nuts, tail nut and the retention mechanism for being connected zero moment of torsion anchor pole pretightening machine tool and pretension anchor pole; Hydraulic jack is fixed on one end of connecting rod by tail nut, and the other end of connecting rod is provided with transition nuts, is provided with pressure-bearing sleeve between hydraulic jack and transition nuts, and transition nuts is connected with pretension anchor pole by retention mechanism.The zero moment of torsion anchor pole pretightening machine tool that the utility model proposes utilizes connecting rod to be connected with anchor pole by zero moment of torsion anchor pole pretightening machine tool with transition nuts, hydraulic jack ejection pressure-bearing sleeve acts on anchor rod pallet board, the connecting rod of drawing simultaneously pretension anchor pole, finally utilize clamp nut structure by fastening for high pretightening force anchor pole, bolt pretension can be significantly improved, reduce screw thread moment of torsion, reduce anchor pole combined stresses and concentrate, for construction is provided convenience.
Description
Technical field
The present invention relates to anchor pole pretension facility technical field, refer to a kind of zero moment of torsion anchor pole pretightening machine tool especially.
Background technology
Bolt pretension is roadway support intensity leading indicator, improves bolt pretension and can effectively improve supporting bulk strength.Existing anchor pole increases pretightning force and mainly utilizes increase anchor nut torque method to increase pretightning force, the method increases DeGrain to bolt pretension, increase spiral thread on anchor bolt root combined stresses to concentrate simultaneously, often cause the threadingly fracture of root damage of the stressed anchor pole of high pulling torque.Along with the increase of mining depth, the supporting demand of high stress tunnel and large section roadway requires increasing to bolt support high pretightening force, the method of existing increase bolt pretension cannot satisfy the demands, therefore in the urgent need in conjunction with site operation requirement, design a kind of special-purpose machines and tools increasing bolt pretension, significantly improving bolt pretension, reduce screw thread moment of torsion, reduce anchor pole combined stresses and concentrate, for construction is provided convenience.
Utility model content
The utility model proposes a kind of zero moment of torsion anchor pole pretightening machine tool, for solving the problems referred to above in background technology.
A kind of zero moment of torsion anchor pole pretightening machine tool, with pretension anchor pole with the use of, comprising: hydraulic jack, pressure-bearing sleeve, connecting rod, transition nuts, tail nut and the retention mechanism for being connected zero moment of torsion anchor pole pretightening machine tool and pretension anchor pole;
Hydraulic jack is fixed on one end of connecting rod by tail nut, and the other end of connecting rod is provided with transition nuts, is provided with pressure-bearing sleeve between hydraulic jack and transition nuts, and transition nuts is connected with pretension anchor pole by clamp nut mechanism.
Preferably, retention mechanism comprises: manual retention mechanism, stay cord retention mechanism, gear drive retention mechanism, pneumatic retention mechanism and the retention mechanism that surges.
Preferably, manual retention mechanism comprises: volute spring, location jump ring, manual fastening screw stamper and driver plate window, manual fastening screw stamper is arranged on below volute spring, volute spring is arranged in pressure-bearing sleeve by location jump ring, and pressure-bearing sleeve is outside equipped with the driver plate window for stirring manual fastening screw stamper.
Preferably, stay cord retention mechanism comprises: volute spring, location jump ring, stay cord fastening screw stamper and rope, stay cord fastening screw stamper is arranged on below volute spring, volute spring is arranged in pressure-bearing sleeve by location jump ring, rope one end is connected with stay cord fastening screw stamper, and the other end is arranged on outside pressure-bearing sleeve through pressure-bearing sleeve.
Preferably, gear drive retention mechanism comprises: volute spring, location jump ring, gear drive fastening screw stamper, travelling gear, fixed pin shaft and ratchet spanner, gear drive fastening screw stamper is arranged on below volute spring, volute spring is arranged in pressure-bearing sleeve by location jump ring, gear drive fastening screw stamper is connected with travelling gear, and travelling gear is arranged on outside pressure-bearing sleeve by fixed pin shaft.
Preferably, pneumatic retention mechanism and the retention mechanism that surges include: volute spring, location jump ring, blade fastening screw stamper and pod apertures, pneumatic fastening screw stamper is arranged on below volute spring, volute spring is arranged in pressure-bearing sleeve by location jump ring, and pneumatic fastening screw stamper is provided with blade.
Preferably, travelling gear comprises cone parachute travelling gear, Drive ratchet and driving rack.
The zero moment of torsion anchor pole pretightening machine tool that the utility model proposes, solve existing anchor pole single utilization helicitic texture raising pretightning force not high, anchor pole root combined stresses is concentrated, fastener cycle easily twists off the problem such as anchor pole and roadway support discontinuity, connecting rod is utilized to be connected with anchor pole by zero moment of torsion anchor pole pretightening machine tool with transition nuts, hydraulic jack ejection pressure-bearing sleeve acts on anchor rod pallet board, the connecting rod of drawing simultaneously pretension anchor pole, finally utilize clamp nut structure by fastening for high pretightening force anchor pole, significantly improve bolt pretension, reduce screw thread moment of torsion, reduce anchor pole combined stresses to concentrate, easy construction, structure is simple, with site operation Device-General and the feature etc. facilitating site construction management.In addition, zero moment of torsion anchor pole pretightening machine tool can also be applied to regular screw threads structure member fastening and increase pretightning force.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of zero moment of torsion anchor pole pretightening machine tool of the utility model;
Fig. 2 is the structural representation of embodiment 1;
Fig. 3 is the structural representation of embodiment 2;
Fig. 4 is the structural representation one of embodiment 3;
Fig. 5 is the structural representation two of embodiment 3.
In figure: 101, hydraulic jack; 102, pressure-bearing sleeve; 103, connecting rod; 104, transition nuts; 105, tail nut; 106, volute spring; 107, jump ring is located; 108, stay cord fastening screw stamper; 109, rope; 201, gear drive fastening screw stamper; 202, travelling gear; 203, fixed pin shaft; 3, retention mechanism; 301, manual fastening screw stamper; 302, driver plate window; 401, anchor nut; 402, pretension anchor pole; 403, anchor rod pallet board.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
As depicted in figs. 1 and 2: a kind of zero moment of torsion anchor pole pretightening machine tool, adopts manual retention mechanism to be connected with pretension anchor pole 402.The manual retention mechanism of zero moment of torsion anchor pole pretightening machine tool is made up of volute spring 106, location jump ring 107, fastening screw stamper 301 and driver plate window 302, manual fastening screw stamper 301 is arranged on below volute spring 106, volute spring 106 is arranged in pressure-bearing sleeve 102 by location jump ring 107, pressure-bearing sleeve 102 is outside equipped with the driver plate window 302 for stirring manual fastening screw stamper 301, stirs fastening screw stamper 301 by fastening for anchor nut 401 from driver plate window 302.
Operating principle: manual fastening screw stamper 301 is pressed on anchor nut 401 by volute spring 106 and location jump ring 107, connecting rod 103, transition nuts 104 is connected with pretension anchor pole 402, hydraulic jack 101 and pressure-bearing sleeve 102 to be sleeved on connecting rod 103 and to tighten tail nut 105, hydraulic jack 101 hydraulic cylinder stretches out drawing connecting rod 103, pretension anchor pole 402 and pushing tow pressure-bearing sleeve 102, after anchor rod pallet board 403 reaches high pretightening force, fastening screw stamper 301 is manually stirred by fastening for the anchor nut 401 of pressure-bearing sleeve 102 inside (loosening) at the driver plate window 302 of pressure-bearing sleeve 102.
Embodiment 2
As shown in figures 1 and 3: a kind of zero moment of torsion anchor pole pretightening machine tool, stay cord retention mechanism is adopted to be connected with pretension anchor pole 402.The stay cord clamp nut structure of zero moment of torsion anchor pole pretightening machine tool is made up of volute spring 106, location jump ring 107, stay cord fastening screw stamper 108 and rope 109, stay cord fastening screw stamper 108 is arranged on below volute spring 106, volute spring 106 is arranged in pressure-bearing sleeve 102 by location jump ring 107, rope 109 one end is connected with stay cord fastening screw stamper 108, and the other end is arranged on outside pressure-bearing sleeve 102 through pressure-bearing sleeve 102.
Operating principle: stay cord fastening screw stamper 108 is pressed on anchor nut 401 by volute spring 106 and location jump ring 107, connecting rod 103, transition nuts 104 is connected with anchor pole 402, hydraulic jack 101 and pressure-bearing sleeve 102 to be sleeved on connecting rod 103 and to tighten tail nut 105, hydraulic jack 101 hydraulic cylinder stretches out drawing connecting rod 103, pretension anchor pole 402 and pushing tow pressure-bearing sleeve 102, after anchor rod pallet board 403 reaches high pretightening force, rope 109 is pulled in pressure-bearing sleeve 102 outside, make stay cord fastening screw stamper 108 by fastening for the anchor nut 401 of pressure-bearing sleeve 102 inside (loosening).
Embodiment 3
As Fig. 1, Fig. 4 and Fig. 5 jointly shown in: a kind of zero moment of torsion anchor pole pretightening machine tool, adopts gear drive retention mechanism to be connected with pretension anchor pole 402.Gear drive retention mechanism comprises: volute spring 106, location jump ring 107, gear drive fastening screw stamper 201, travelling gear 202, fixed pin shaft 203 and ratchet spanner (not marking), gear drive fastening screw stamper 201 is arranged on below volute spring 106, volute spring 106 is arranged in pressure-bearing sleeve 102 by location jump ring 107, gear drive fastening screw stamper 201 is connected with travelling gear 202, and travelling gear 202 is arranged on outside pressure-bearing sleeve 102 by fixed pin shaft 203.
Operating principle: gear drive fastening screw stamper 201 is pressed on anchor nut 401 by volute spring 106 and location jump ring 107, connecting rod 103, transition nuts 104 is connected with pretension anchor pole 402, hydraulic jack 101 and gland cylinder 102 to be sleeved on connecting rod 103 and to tighten tail nut 105, hydraulic jack 101 hydraulic cylinder stretches out drawing connecting rod 103, pretension anchor pole 402 and pushing tow pressure-bearing sleeve 102, after anchor rod pallet board 403 reaches high pretightening force, utilize ratchet spanner to rotate fixed pin shaft 203 in pressure-bearing sleeve 102 outside, then transmission makes gear drive fastening screw stamper 201 by fastening for the anchor nut 401 of pressure-bearing sleeve 102 inside (loosening).
Embodiment 4
A kind of zero moment of torsion anchor pole pretightening machine tool, adopts pneumatic retention mechanism (or the retention mechanism that surges) to be connected with pretension anchor pole 402.
Pneumatic retention mechanism (or the retention mechanism that surges) comprising: volute spring 106, location jump ring 107, blade fastening screw stamper and pod apertures, pneumatic fastening screw stamper is arranged on below volute spring 106, volute spring 106 is arranged in pressure-bearing sleeve 102 by location jump ring 107, and pneumatic fastening screw stamper is provided with blade.Above-mentioned each parts are installed on pressure-bearing sleeve 102 inside or pressure-bearing sleeve 102, by volute spring 106 and location jump ring 107, blade construction fastening screw stamper is pressed on anchor nut 401, connecting rod 103, transition nuts 104 is connected with pretension anchor pole 402, hydraulic jack 101 and gland cylinder 102 to be sleeved on connecting rod 103 and to tighten tail nut 105, blade is arranged in pneumatic fastening screw stamper surrounding, distinguished and admirable (or flow of pressurized) is imported from pod apertures, pneumatic fastening screw stamper is driven to rotate anchor nut is fastening, drawing connecting rod 103 is stretched out at hydraulic jack 101 hydraulic cylinder, pretension anchor pole 402 and pushing tow pressure-bearing sleeve 102, after anchor rod pallet board 403 reaches high pretightening force, by outside, distinguished and admirable or flow of pressurized drives blade construction fastening screw stamper by fastening for the anchor nut 401 of pressure-bearing sleeve 102 inside (loosening).
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a moment of torsion anchor pole pretightening machine tool, with pretension anchor pole (402) with the use of, it is characterized in that: comprising: hydraulic jack (101), pressure-bearing sleeve (102), connecting rod (103), transition nuts (104), tail nut (105) and the retention mechanism (3) for being connected described zero moment of torsion anchor pole pretightening machine tool and pretension anchor pole (402);
Described hydraulic jack (101) is fixed on one end of described connecting rod (103) by tail nut (105), the other end of described connecting rod (1) is provided with transition nuts (104), be provided with pressure-bearing sleeve (102) between described hydraulic jack (101) and described transition nuts (104), described transition nuts (104) is connected with described pretension anchor pole (402) by described fastening (3) mechanism.
2. zero moment of torsion anchor pole pretightening machine tool according to claim 1, is characterized in that: described retention mechanism comprises: manual retention mechanism, stay cord retention mechanism, gear drive retention mechanism, pneumatic retention mechanism and the retention mechanism that surges.
3. zero moment of torsion anchor pole pretightening machine tool according to claim 2, it is characterized in that: described manual retention mechanism comprises: volute spring (106), location jump ring (107), manual fastening screw stamper (301) and driver plate window (302), described manual fastening screw stamper (301) is arranged on described volute spring (106) below, described volute spring (106) is arranged in described pressure-bearing sleeve (102) by described location jump ring (107), described pressure-bearing sleeve (102) is outside equipped with the driver plate window (302) for stirring described manual fastening screw stamper (301).
4. zero moment of torsion anchor pole pretightening machine tool according to claim 2, it is characterized in that: described stay cord retention mechanism comprises: volute spring (106), location jump ring (107), stay cord fastening screw stamper (108) and rope (109), described stay cord fastening screw stamper (108) is arranged on described volute spring (106) below, described volute spring (106) is arranged in described pressure-bearing sleeve (102) by described location jump ring (107), described rope (109) one end is connected with described stay cord fastening screw stamper (108), the other end is arranged on described pressure-bearing sleeve (102) outward through described pressure-bearing sleeve (102).
5. zero moment of torsion anchor pole pretightening machine tool according to claim 2, it is characterized in that: described gear drive retention mechanism comprises: volute spring (106), location jump ring (107), gear drive fastening screw stamper (201), travelling gear (202), fixed pin shaft (203) and ratchet spanner, described gear drive fastening screw stamper (201) is arranged on described volute spring (106) below, described volute spring (106) is arranged in described pressure-bearing sleeve (102) by described location jump ring (107), described gear drive fastening screw stamper (201) is connected with described travelling gear (202), described travelling gear (202) is arranged on described pressure-bearing sleeve (102) outward by fixed pin shaft (203).
6. zero moment of torsion anchor pole pretightening machine tool according to claim 2, it is characterized in that: described pneumatic retention mechanism and the described retention mechanism that surges include: volute spring (106), location jump ring (107), blade fastening screw stamper and pod apertures, described pneumatic fastening screw stamper is arranged on described volute spring (106) below, described volute spring (106) is arranged in described pressure-bearing sleeve (102) by described location jump ring (107), and described pneumatic fastening screw stamper is provided with blade.
7. zero moment of torsion anchor pole pretightening machine tool according to claim 5, is characterized in that: described travelling gear (202) comprises cone parachute travelling gear, Drive ratchet and driving rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420489046.XU CN204113315U (en) | 2014-08-27 | 2014-08-27 | A kind of zero moment of torsion anchor pole pretightening machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420489046.XU CN204113315U (en) | 2014-08-27 | 2014-08-27 | A kind of zero moment of torsion anchor pole pretightening machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113315U true CN204113315U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420489046.XU Active CN204113315U (en) | 2014-08-27 | 2014-08-27 | A kind of zero moment of torsion anchor pole pretightening machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113315U (en) |
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2014
- 2014-08-27 CN CN201420489046.XU patent/CN204113315U/en active Active
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