CN102323152B - Constant-resistance and large-deformation anchor shank tension meter - Google Patents
Constant-resistance and large-deformation anchor shank tension meter Download PDFInfo
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- CN102323152B CN102323152B CN 201110157921 CN201110157921A CN102323152B CN 102323152 B CN102323152 B CN 102323152B CN 201110157921 CN201110157921 CN 201110157921 CN 201110157921 A CN201110157921 A CN 201110157921A CN 102323152 B CN102323152 B CN 102323152B
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- lifting jack
- anchor rod
- large deformation
- constant resistance
- deformation anchor
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- 239000011435 rock Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
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Abstract
The invention provides a constant-resistance and large-deformation anchor shank tension meter which comprises a pull rod, a hollow jack for tensioning an anchor shank, a rotating device, a lifting device and a first hydraulic pump, wherein the rotating device is used for controlling the rotating angle of the hollow jack; the lifting device is used for controlling the height of the hollow jack and the height of the rotating device; the first hydraulic pump is used for driving the hollow jack to operate; the hollow jack is fixed on the rotating device; and the rotating device is arranged on the lifting device. The constant-resistance and large-deformation anchor shank tension meter provided by the invention has the advantages of wide measuring range, high bearing capacity, simpleness for operation and effectively-reduced labor intensity.
Description
Technical field
The present invention relates to a kind of rockbolt tension meter, relate in particular to a kind of constant resistance and large deformation anchor rod tautness meter with large extensibility.
Background technology
In mining tunnel or tunnel support, anchor pole is the support apparatus most widely used, that consumption is maximum.Continuous intensification along with mining depth, roadway surrounding rock usually shows the characteristics of soft rock large deformation, and existing anchor pole extensibility is low, can not adapt to the characteristics of roadway surrounding rock large deformation, to cause the support apparatus inefficacies such as anchor pole, and then cause the accidents such as fall of ground, landslide.Be head it off, Chinese patent application 201010196197.2 discloses a kind of constant resistance and large deformation anchor rod with large extensibility, its elongation can reach 600～800mm, yet the range of existing rockbolt tension meter can't satisfy the testing requirement of this type of anchor pole far away.
Summary of the invention
The object of the present invention is to provide a kind of constant resistance and large deformation anchor rod tautness meter, existing rockbolt tension meter range is little, load-bearing capacity is low to solve, the pressurization that can't circulate etc. can not be satisfied the problem of constant resistance and large deformation anchor rod Site Detection needs.
To achieve these goals, constant resistance and large deformation anchor rod tautness meter provided by the invention comprises pull bar and is used for the hollow lifting jack of stretching anchor rod, wherein, also comprise the jacking gear of whirligig, the described hollow lifting jack of control and the whirligig height of controlling the described hollow lifting jack anglec of rotation and the first hydraulic pump that drives described hollow lifting jack operation; Described hollow lifting jack is fixed on the described whirligig, and described whirligig is located on the described jacking gear.Described whirligig comprises casing, case lid, the first lifting jack; One edge of described case lid is articulated in an edge of described casing, described hollow lifting jack is fixed in described case lid top, one end of described the first lifting jack is articulated in below the described case lid and the other end is articulated in the described casing to control described case lid rotation, and described the first lifting jack is connected with one second hydraulic pump by hydraulic tube.Described jacking gear is hoistable platform.
According to a kind of preferred implementation of above-mentioned constant resistance and large deformation anchor rod tautness meter, wherein, also comprise mobile device, described jacking gear is located on the described mobile device.
According to a kind of preferred implementation of above-mentioned constant resistance and large deformation anchor rod tautness meter, wherein, described the second hydraulic pump is hydraulic hand-pump.
According to a kind of preferred implementation of above-mentioned constant resistance and large deformation anchor rod tautness meter, wherein, the driving mechanism of described hoistable platform is one second lifting jack, and described the second lifting jack is connected with one the 3rd hydraulic pump by hydraulic tube.
According to a kind of preferred implementation of above-mentioned constant resistance and large deformation anchor rod tautness meter, wherein, described the first hydraulic pump is pneumatically powered hydraulic pump.
According to a kind of preferred implementation of above-mentioned constant resistance and large deformation anchor rod tautness meter, wherein, described the 3rd hydraulic pump is hydraulic hand-pump.
According to a kind of preferred implementation of above-mentioned constant resistance and large deformation anchor rod tautness meter, wherein, also comprise parameter calculation apparatus, described parameter calculation apparatus is used for obtaining the pressure of described hydraulic tube, and calculates according to this stretching force and the stretching range of described hollow lifting jack.
By analyzing technical scheme of the present invention as can be known, constant resistance and large deformation anchor rod tautness meter provided by the invention has that range is large, load-bearing capacity is high, simple to operate, the advantage that can effectively reduce labour intensity.In a preferred implementation of the present invention, use reciprocal pneuamtic hydraulic pump drive hollow lifting jack, the compressed air source, reliable operation, long service life, easy to maintenance, noise is low.
Description of drawings
Fig. 1 is the agent structure synoptic diagram of the preferred embodiment of the present invention;
Fig. 2 is the structural representation of the pull bar of the preferred embodiment of the present invention;
Fig. 3-Fig. 5 is respectively the reference view of the different application state of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further details.
Fig. 1 schematically shows the agent structure of the preferred embodiment of the present invention, as shown in it, this preferred embodiment mainly comprises the hollow lifting jack 13 for stretching anchor rod, the whirligig of control hollow lifting jack 13 anglecs of rotation, the jacking gear of controlling hollow lifting jack 13 and whirligig height and the pneumatically powered hydraulic pump 1 of driving hollow lifting jack 13 operations, the flat-bed trailer 4 of mobile lifting device.Because hollow lifting jack 13 is mature technology, does not repeat them here.
As shown in Figure 1, hollow lifting jack 13 is connected in the reversal valve 12 of hydraulic pump 1 by hydraulic tube (unmarked among the figure), the hydraulic pump 1 of this preferred embodiment is pneumatically powered hydraulic pump, it can realize pneumatic circulation pressurization and wide range, has well satisfied the high parameter testing demand of constant resistance and large deformation anchor rod extensibility.Hydraulic pump 1 is provided with the tensimeter 11 that shows its output pressure, by observing tensimeter 11, just can know the pressure in the hollow lifting jack 13, again in conjunction with the area parameters of piston in the hollow lifting jack 13, can calculate the stretching force of hollow lifting jack 13.
The whirligig of this preferred embodiment comprises casing 24, case lid 21, lifting jack 2.One edge of case lid 21 is articulated in an edge of casing 24 by turning axle 25.Hollow lifting jack 13 is fixed in above the case lid 21.Be provided with hinged seat 22 below the case lid 21, the base plate of casing 24 is provided with hinged seat 23, one end of lifting jack 2 is articulated in hinged seat 22, the other end is articulated in hinged seat 23, like this when the piston rod of lifting jack 2 stretches out, promote case lid 21 around turning axle 25 rotations, and then control hollow lifting jack 13 forms different angles from surface level.Lifting jack 2 (is reduced graph 1 by hydraulic tube and a hydraulic pump, this hydraulic pump and connected hydraulic tube be not all in shown in Fig. 1) connect, this hydraulic pump preferably is located at the position identical with hydraulic hand-pump 34, and the convenient operation personnel operate to regulate lifting jack 2 in the position that promotes flat-bed trailer 4.Further preferably, the hydraulic pump that drives lifting jack 2 is hydraulic hand-pump, and manually operated hydraulic pump is convenient to regulate as required the anglec of rotation of case lid 21, points to different angles with the oil cylinder bottom 131 of accurate control hollow lifting jack 13.
The jacking gear of this preferred embodiment is scissors type lifting platform, and scissors type lifting platform is located on the flat-bed trailer 4, and flat-bed trailer 4 is provided with wheel 42 so that mobile, and scissors type lifting platform is driven by lifting jack 3 and does lifting and down maneuver.The hydraulic pump that drives lifting jack 3 operations is hydraulic hand-pump 34, and hydraulic hand-pump 34 is provided with handle 35, by operating grip 35 control hydraulic hand-pump 34 and lifting jack 3, and then the height of control hoistable platform.
Further, this preferred embodiment also comprises the parameter calculation apparatus (not shown), parameter calculation apparatus comprises the flowmeter on the hydraulic tube of being located between hollow lifting jack 13 and the hydraulic pump 1, data computation module, memory module and display module, the hydraulic pressure oil mass that flowmeter is used for obtaining the pressure of hydraulic tube and obtains simultaneously to flow in the unit interval hollow lifting jack 13, data computation module recording and analyses bar 14 begins the mobile hydraulic pressure oil mass that flows into afterwards in hollow lifting jack 13 cavitys, hydraulic fluid pressure, then according to the piston rod area of hollow lifting jack 13, calculate stretching force and the stretching range of hollow lifting jack 13, and export checkout result to memory module and display module, display module can be used for the performance parameter that shows constant resistance and large deformation anchor rod to be measured directly perceived, and memory module is used for the performance parameter of storage constant resistance and large deformation anchor rod in order to calling.
In order to further specify this preferred embodiment, please refer to Fig. 3-Fig. 5, Fig. 3-Fig. 5 shows this preferred embodiment is tested the constant resistance and large deformation anchor rod 9 of diverse location in tunnel 7 reference state, excavate country rock 6 and form tunnel 7, for preventing the accidents such as tunnel 7 roof falls, landslide, be provided with a plurality of constant resistance and large deformation anchor rods 9 in the country rock 6.
In test tunnel 7 during the constant resistance and large deformation anchor rod 9 of diverse location, because it is shorter that anchor pole 9 exposes to the end of country rock 6, therefore, all need by means of pull bar 8, the pull bar 8 that this preferred embodiment is used as shown in Figure 2, comprise the body of rod 82, nut 81 and internal thread 83, an end of the body of rod 82 is provided with external thread to be connected with nut 81, and the other end of the body of rod 82 is provided with internal thread 83 to be connected with constant resistance and large deformation anchor rod 9.
When using the constant resistance and large deformation anchor rod 9 of this preferred embodiment testing level position, as shown in Figure 3, promote the handle 41 of flat-bed trailer 4, hoistable platform and hollow lifting jack 13 etc. is moved to the position of constant resistance and large deformation anchor rod to be measured 9, operating grip 35, make the 13 parallel liftings of hollow lifting jack, be raised to the position of constant resistance and large deformation anchor rod 9 to be measured, make constant resistance and large deformation anchor rod 9 outer ends be threadedly connected to the internal thread 83 of the body of rod 82 that stretches out from the bottom of hollow piston rod 14, the other end of the body of rod 82 stretches out the top 141 of the piston rod 14 of hollow, oil cylinder bottom 131 is supported on the pallet of constant resistance and large deformation anchor rod to be measured 9, then at the other end mounting nuts 81 of the body of rod 82, the diameter of nut 81 is greater than the hollow aperture of piston rod 14 certainly.Then open hydraulic pump 1 and reversal valve 12, to hollow lifting jack 13 output hydraulic pressures oil, hollow piston rod 14 is moved to the direction of its bottom, thereby apply pulling force by 8 pairs of constant resistance and large deformation anchor rods 9 of pull bar, record simultaneously and calculate every test data.
Such as Fig. 4, shown in Figure 5, tilt or during vertical constant resistance and large deformation anchor rod 9 in test, need the handle 35 control hydraulic pumps 34 on the operate tablet car 4, and then control lifting jack 3 is adjusted the height of hoistable platform, and operate another handle and control corresponding hydraulic pump, and then the anglec of rotation of control lifting jack 2 adjustment hollow lifting jack 13, so that oil cylinder bottom 131 is supported on the pallet of constant resistance and large deformation anchor rod to be measured 9, all the other operations are then same as described above.
In sum, the present invention is by capable of regulating direction and the hollow lifting jack of height and the CYCLIC LOADING of pneumatically powered hydraulic pump, realize wide range, large load-bearing capacity and pneumatic circulation pressurization, solved the problem that existing rockbolt tension meter can not satisfy constant resistance and large deformation anchor rod Site Detection needs.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not break away from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All within the scope of the present invention or the change within being equal to scope of the present invention all be included in the invention.
Claims (7)
1. constant resistance and large deformation anchor rod tautness meter, comprise pull bar and be used for the hollow lifting jack of stretching anchor rod, wherein said hollow lifting jack applies pulling force by described pull bar to described constant resistance and large deformation anchor rod, it is characterized in that, also comprise the jacking gear of whirligig, the described hollow lifting jack of control and the whirligig height of controlling the described hollow lifting jack anglec of rotation and the first hydraulic pump that drives described hollow lifting jack operation; Described hollow lifting jack is fixed on the described whirligig, and described whirligig is located on the described jacking gear, and described whirligig comprises casing, case lid, the first lifting jack; One edge of described case lid is articulated in an edge of described casing, described hollow lifting jack is fixed in described case lid top, one end of described the first lifting jack is articulated in described case lid below and the other end is articulated in the described casing to control described case lid rotation, described the first lifting jack is connected with one second hydraulic pump by hydraulic tube, and described jacking gear is hoistable platform.
2. constant resistance and large deformation anchor rod tautness meter according to claim 1 is characterized in that, also comprises mobile device, and described jacking gear is located on the described mobile device.
3. constant resistance and large deformation anchor rod tautness meter according to claim 1 is characterized in that, described the second hydraulic pump is hydraulic hand-pump.
4. constant resistance and large deformation anchor rod tautness meter according to claim 1 is characterized in that, the driving mechanism of described hoistable platform is one second lifting jack, and described the second lifting jack is connected with one the 3rd hydraulic pump by hydraulic tube.
5. constant resistance and large deformation anchor rod tautness meter according to claim 1 is characterized in that, described the first hydraulic pump is pneumatically powered hydraulic pump.
6. constant resistance and large deformation anchor rod tautness meter according to claim 4 is characterized in that, described the 3rd hydraulic pump is hydraulic hand-pump.
7. constant resistance and large deformation anchor rod tautness meter according to claim 1 is characterized in that, also comprises parameter calculation apparatus, and described parameter calculation apparatus is used for obtaining the pressure of described hydraulic tube, and calculates according to this stretching force and the stretching range of described hollow lifting jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110157921 CN102323152B (en) | 2011-06-13 | 2011-06-13 | Constant-resistance and large-deformation anchor shank tension meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110157921 CN102323152B (en) | 2011-06-13 | 2011-06-13 | Constant-resistance and large-deformation anchor shank tension meter |
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| CN102323152A CN102323152A (en) | 2012-01-18 |
| CN102323152B true CN102323152B (en) | 2013-05-29 |
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| CN 201110157921 Active CN102323152B (en) | 2011-06-13 | 2011-06-13 | Constant-resistance and large-deformation anchor shank tension meter |
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| EP2833119B1 (en) | 2012-03-31 | 2017-03-01 | China University Of Mining & Technology (Beijing) | Dynamics performance testing system |
| CN102944477B (en) * | 2012-11-09 | 2015-05-06 | 中国矿业大学(北京) | Large-displacement drawing machine for constant-resistance anchor tie and usage method thereof |
| CN103233754A (en) * | 2013-05-13 | 2013-08-07 | 蔡青林 | Tensioning device for anchor cable for mine |
| CN103232006A (en) * | 2013-05-13 | 2013-08-07 | 蔡青林 | Jack for anchor rod tension meter |
| CN103233933A (en) * | 2013-05-13 | 2013-08-07 | 蔡青林 | Manual operation oil pump hydraulic system for anchor shank tension meter |
| CN106842133A (en) * | 2016-08-29 | 2017-06-13 | 王论丛 | A kind of phased-array radar |
| CN106124402A (en) * | 2016-08-30 | 2016-11-16 | 中国水利水电第三工程局有限公司 | A kind of TBM driving section anchor pole anti-pulling detection assay device and using method |
| CN106706313A (en) * | 2016-12-29 | 2017-05-24 | 渤海造船厂集团有限公司 | Ship anchor-pulling test method |
| CN107153026A (en) * | 2017-07-11 | 2017-09-12 | 甘肃省交通科学研究院有限公司 | A kind of static load anchoring machine steel strand wires install instrument |
| CN109883838B (en) * | 2019-03-28 | 2020-03-27 | 中国矿业大学 | Variable-angle bulk filling material test device |
| CN112129635B (en) * | 2020-10-15 | 2021-05-11 | 山东建筑大学 | Rib body drawing test system and method |
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| CN2426468Y (en) * | 2000-03-27 | 2001-04-11 | 李炳锡 | Freight conveyer for high-rise building |
| DE10249823B3 (en) * | 2002-10-22 | 2004-06-03 | Klaus Frohne | Drive system for portable machine using rotation of vehicle wheel e.g. for portable electrical generator, pump, conveying screw or winch |
| CN101187311A (en) * | 2007-11-27 | 2008-05-28 | 刘兴才 | Coal mine self-moving type filling counterfort machine |
| CN101446545A (en) * | 2008-12-25 | 2009-06-03 | 山东科技大学 | Anchoring body rheologic drawing device and test method |
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2011
- 2011-06-13 CN CN 201110157921 patent/CN102323152B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426468Y (en) * | 2000-03-27 | 2001-04-11 | 李炳锡 | Freight conveyer for high-rise building |
| DE10249823B3 (en) * | 2002-10-22 | 2004-06-03 | Klaus Frohne | Drive system for portable machine using rotation of vehicle wheel e.g. for portable electrical generator, pump, conveying screw or winch |
| CN101187311A (en) * | 2007-11-27 | 2008-05-28 | 刘兴才 | Coal mine self-moving type filling counterfort machine |
| CN101446545A (en) * | 2008-12-25 | 2009-06-03 | 山东科技大学 | Anchoring body rheologic drawing device and test method |
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| CN102323152A (en) | 2012-01-18 |
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