CN201233308Y - Cable stretching destructive test device - Google Patents
Cable stretching destructive test device Download PDFInfo
- Publication number
- CN201233308Y CN201233308Y CNU2008200384213U CN200820038421U CN201233308Y CN 201233308 Y CN201233308 Y CN 201233308Y CN U2008200384213 U CNU2008200384213 U CN U2008200384213U CN 200820038421 U CN200820038421 U CN 200820038421U CN 201233308 Y CN201233308 Y CN 201233308Y
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- Prior art keywords
- anchor cable
- gas explosion
- anchor
- rope
- test device
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims description 26
- 230000001066 destructive effect Effects 0.000 title 1
- 238000004880 explosion Methods 0.000 claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000003116 impacting effect Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003245 coal Substances 0.000 abstract description 2
- 238000011160 research Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
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Abstract
The utility model relates to an anchor-rope tension damage experiment device, which comprises two gas explosion protection boxes that are symmetrically fixed, wherein, an impact bearing mechanism is arranged between the two gas explosion protection boxes; a buffer mechanism is arranged inside each of the two gas explosion protection boxes; an anchor tool that is used for fixing the anchor rope is fixedly arranged inside one gas explosion protection box, and an anchor-rope locking mechanism is fixedly arranged inside the other gas explosion protection box, and the gas explosion protection box, which is provided with the anchor-rope locking mechanism, is provided with an anchor-rope strainer; after the oil cylinder is adopted to pre-tighten the anchor rope, the broken experiments of the anchor rope such as the tension fracture, the pull-off and the spark generating mechanism are realized under different situations through the impact forces that are applied by the oil cylinder. The device is used for researching the work mechanism and detecting the performances of the anchor rope, and for researching the working performances of the anchor rope under the impact load effect, and for researching the tension fracture of the anchor rope and the friction spark generation mechanism, and for disclosing the possibility of the gas explosion caused by the tension fracture (pull-off) of the anchor rope, thereby ensuring the secure production of the coal mine.
Description
Technical field
The utility model relates to a kind of test unit, especially relates to a kind of anchorage cable stretching breaking test device that is used for coal mine roadway.
Background technology
Existing anchor cable pilot system nearly all is the envelope test system, can only finish static the loading.These testing equipments have only taked very little one section anchor cable to carry out on pressing machine, the draw speed of anchor cable is for slowly carrying out, the anchor cable drawing process is with on-the-spot inconsistent, quick sinking when fracture takes place soft stratum under can't the simulated field conditions of compound roof (constantly disrumpent feelings along with superincumbent stratum, when the key stratum of top, particularly old top is disrumpent feelings, be in anchor cable free end in the soft stratum, ground tackle and the very big draw speed of anchored end generation, press the absciss layer SPATIAL CALCULATION of 0.5m, ground tackle can reach 3.0m/s with the speed that top board flies rapidly.), the result of testing laboratory still can not reflect field condition fully really.Therefore the design experiment parameter to anchor cable and ground tackle can not reflect its practical working situation, and existing test unit is difficult to test the anchor cable dynamic property.
The utility model content
The purpose of this utility model is the deficiency that overcomes prior art, and a kind of compact conformation is provided, easy to operate, the accurate anchorage cable stretching breaking test device of control.
For achieving the above object, anchorage cable stretching breaking test device of the present utility model, it comprises that symmetry is fixed on two gas explosion protective housings on the concrete foundation, connects one by a high speed oil cylinder respectively between two gas explosion protective housings and impacts load carrier; Be respectively equipped with a buffer gear in two gas explosion protective housings; Be connected with the fixedly ground tackle of anchor cable by impacting flange in the gas explosion protective housing, be connected with the fixedly anchor cable locking mechanism of anchor cable by impacting flange in another gas explosion protective housing, fixedly be provided with the anchor cable strainer in the gas explosion protective housing of anchor cable locking mechanism, anchor cable runs through entire mechanism.
Described impact load carrier is by being fixed on the gusset on the ground and constituting with steel pipe that gusset is fixed as one; Described buffer gear is by bearing, is located at guide rod on the bearing, is set on spring on the guide rod and the flange of location guide is formed; Described anchor cable locking mechanism is by the interior spin-block that is enclosed within on the anchor cable, with interior spin-block mutually wedging voussoir and fixing in the outer spin-block of spin-block and voussoir form; Described anchor cable strainer connects the bearing pin of clamping plate and the bolt and nut of strap by the clamping plate of clamping anchor cable, and screw rod that links to each other with clamping plate and standing screw nut are formed.
The utility model adopts the gas explosion protective housing, impacts load carrier, buffer gear, anchor cable strainer and anchor cable locking mechanism, join and the hydraulic pressure electric control system, tighten anchor cable at these device two ends with ground tackle and ground tackle latch mechanism, after utilizing oil cylinder pretension anchor cable, apply different impulsive forces by oil cylinder, realize the test of breaking, pull and produce spark mechanism of anchor cable under different situations.Charge into gas in two identical seal cases; the on-the-spot physical condition of analog operation; can check ground tackle high-speed slide on anchor cable fricative spark actuation gas, is detonated as gas, and this device plays a protective role to testing crew, equipment and surrounding environment.Can study anchor cable ground tackle working mechanism, Performance Detection, anchor cable ground tackle serviceability under the research impact loading, the research anchor cable pulls the condition of (breaking) and produces the mechanism of friction spark, discloses the possibility that anchor cable pulls (breaking) actuation gas, guarantees the safety in production in colliery.In order to research and test anchor cable and the dynamic property of ground tackle under the heavy shock loads effect, for the design of anchor cable and ground tackle provides the more basis of science.Also can promote the colliery engineering personnel to grasp the mechanism that anchor cable pulls the condition of (breaking) and produces friction spark, the condition of research friction spark actuation gas, disclose the possibility that anchor cable pulls (break) actuation gas, this has crucial meaning to the safety in production in assurance colliery etc.
Description of drawings
Fig. 1 is a structural front view of the present utility model;
Fig. 2 is a structure vertical view of the present utility model;
Fig. 3 is an anchor cable locking mechanism enlarged drawing of the present utility model.
Among the figure: gas explosion protective housing 1, buffer gear 2, ground tackle 3 impacts flange 4, high speed oil cylinder 5, impact load carrier 6, anchor cable 7, concrete foundation 8, anchor cable strainer 9, anchor cable locking mechanism 10, steel pipe 11, bearing pin 12, flange 2-1, many spring 2-2, guide rod 2-3, bearing 2-4, nut 9-1, screw rod 9-2, bearing pin 9-3, clamping plate 9-4, bolt 9-5, nut 9-6, interior spin-block 10-1, voussoir 10-2, outer spin-block 10-3.
Embodiment
The utility model will be further described below in conjunction with the embodiment in the accompanying drawing:
Fig. 1 is shown in Figure 2, two gas explosion protective housing 1 symmetries are fixed on the concrete foundation 8, in two gas explosion protective housings 1 buffer gear 2 is housed respectively, buffer gear 2 is by bearing 2-4, be located at four guide rod 2-3 on the bearing 2-4, be set on spring 2-2 on the guide rod 2-3 and the flange 2-1 of location guide 2-3 forms, be threaded between guide rod 2-3 and the bearing 2-4.Connect a high speed oil cylinder 5 between two gas explosion protective housings 1 respectively, high speed oil cylinder 5 is special oil cylinder, and its speed is up to 3.5 meter per seconds.Two high speed oil cylinders 5 are connected in one respectively and impact on the load carrier 6, and two gas explosion protective housings 1 are held together, and anchor cable 7 runs through entire mechanism, and two ends is separately fixed at the outside of two gas explosion protective housings 1.By being fixed on the gusset on the ground and constituting with steel pipe that gusset is fixed as one, one steel pipe runs through entire mechanism, pipe diameter is greater than anchor cable 3 external diameters, and leaves and pass after expanding for anchor cable 3 fried circles in abundant space, and the internal force that produces in this test unit process of the test mainly bears in this mechanism.Be connected with the fixedly ground tackle 3 of anchor cable by impacting flange 4 in the gas explosion protective housing 1, be connected with the fixedly anchor cable locking mechanism 10 of anchor cable by impacting flange 4 in another gas explosion protective housing 1, fixedly be provided with anchor cable strainer 9 in the gas explosion protective housing 1 of anchor cable locking mechanism 10.The piston rod that impacts flange 4 and high speed oil cylinder 5 links together; in process of the test; when high speed oil cylinder 5 impacts; impact flange 4 and promote ground tackles 3 to throwing off or after anchor cable broken; impact the flange 2-1 that flange 4 can strike snubber assembly; compression spring 2-2, spring 2-2 are compressed and can absorb impact energy, and the whole test device is shielded.Anchor cable strainer 9 is by nut 9-1, screw rod 9-2, bearing pin 9-3, clamping plate 9-4, bolt 9-5, compositions such as nut 9-6, two clamping plates 9-4 is bound up with bolt 9-5, have the screw thread half slot on the clamping plate 9-4, anchor cable therefrom passes, bolt 9-5, nut 9-6 is after tight, two clamping plates 9-4 is by screw thread half slot chucking anchor cable, screw rod 9-2 one end is connected with clamping plate 9-4 with bearing pin 9-3, the threaded end of screw rod 9-2 passes the gas explosion protective housing, but by nut 9-1 stretching screw 9-2, drive the anchor cable 7 that clamping plate 9-3 is clamped, thereby realize the tensioning of anchor cable.Anchor cable locking mechanism 10 is by interior spin-block 10-1, three the same voussoir 10-2, outer spin-block 10-3 forms, voussoir 10-2 is 1/3rd circular arc wedges, be threaded half slot, the effect that screws by outer spin-block 10-3, interior spin-block 10-1, three voussoir 10-2 can tighten anchor cable, play the fixedly effect of anchor cable.
The course of work: on-test, at first anchor cable is passed gas explosion case 1 successively from this device left side, buffer gear 2, impact flange 4, high speed oil cylinder 5, impact load carrier 6, high speed oil cylinder 5, gas explosion case 1, buffer gear 2, pin anchor cable 7 at the anchor cable left end with ground tackle 3, put on steel pipe 11, put bearing pin 12 well, high speed oil cylinder 3 stretches out under hydra-electric system control, promote ground tackle 3, by steel pipe 11, bearing pin 12, realize the chucking of ground tackle 3, at the anchor cable right-hand member anchor cable locking mechanism 10 is placed near impacting flange 4 places, anchor cable 7 right-hand members are penetrated anchor cable strainer 9, screw nut 9-1, tensioning anchor cable 7, screw anchor cable locking mechanism 10, behind the chucking anchor cable 3, pull down anchor cable strainer 9, steel pipe 11, after checking that above process does not have careless omission, cover gas explosion protective housing 1 case lid, treat that personnel retreat to after the safe distance on every side, to gas explosion protective housing 1 filling gas to normal concentration, operation high speed oil cylinder 5 is in the authorised pressure high speed impact, the high speed oil cylinder 5 of both sides is high speed impact ground tackle 3 respectively, anchor cable locking mechanism 10, ground tackle 3, anchor cable 7 ground tackle 3 can occur and throw off or anchor cable 7 tensile phenomena under the percussive action of high speed oil cylinder 5, by instrument can observe ground tackle 3 pull or anchor cable 7 break the back generation can produce spark, can actuation gas if produce spark, open gas explosion protective housing 1 case lid, remove anchor cable strainer 9, the state of observation ground tackle 3 and anchor cable 7 is carried out test data sheet, finishes single test.
Claims (5)
1. anchorage cable stretching breaking test device, it is characterized in that: it comprises that symmetry is fixed on two gas explosion protective housings (1) that are filled with gas on the concrete foundation (8), connects one by a high speed oil cylinder (5) respectively between two gas explosion protective housings (1) and impacts load carrier (6); Be respectively equipped with a buffer gear (2) in two gas explosion protective housings (1); Be connected with the fixedly ground tackle of anchor cable (3) by impacting flange (4) in the gas explosion protective housing (1), be connected with the fixedly anchor cable locking mechanism of anchor cable (10) by impacting flange (4) in another gas explosion protective housing (1), fixedly be provided with anchor cable strainer (9) in the gas explosion protective housing (1) of anchor cable locking mechanism (10), anchor cable (7) runs through entire mechanism.
2. anchorage cable stretching breaking test device according to claim 1 is characterized in that: described impact load carrier (6) is by being fixed on the gusset on the ground and constituting with steel pipe that gusset is fixed as one.
3. anchorage cable stretching breaking test device according to claim 1, it is characterized in that: described buffer gear (2) is by bearing (2-4), is located at guide rod (2-3) on the bearing (2-4), is set on spring (2-2) on the guide rod (2-3) and the flange (2-1) of location guide (2-3) is formed.
4. anchorage cable stretching breaking test device according to claim 1, it is characterized in that: described anchor cable locking mechanism (10) is by the interior spin-block (10-1) that is enclosed within on the anchor cable, with interior spin-block (10-1) mutually the voussoir of wedging (10-2) and fixing in outer spin-block (10-3) composition of spin-block (10-1) and voussoir (10-2).
5. anchorage cable stretching breaking test device according to claim 1, it is characterized in that: described anchor cable strainer (9) is by the clamping plate of clamping anchor cable (7) (9-4), connect the bearing pin (9-3) of clamping plate (9-4) and bolt (9-5) nut (9-6) of strap (9-4), screw rod (9-2) that links to each other with clamping plate (9-4) and standing screw (9-2) nut (9-1) are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200384213U CN201233308Y (en) | 2008-06-20 | 2008-06-20 | Cable stretching destructive test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200384213U CN201233308Y (en) | 2008-06-20 | 2008-06-20 | Cable stretching destructive test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201233308Y true CN201233308Y (en) | 2009-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200384213U Expired - Fee Related CN201233308Y (en) | 2008-06-20 | 2008-06-20 | Cable stretching destructive test device |
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| Country | Link |
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| CN (1) | CN201233308Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483125A (en) * | 2015-01-06 | 2015-04-01 | 哈尔滨电机厂有限责任公司 | Hydraulic loading device with automatic homing and limiting functions |
| CN104949832A (en) * | 2015-05-28 | 2015-09-30 | 同济大学 | Horizontal test platform for fracture, fatigue and chain length precision measurement of escalator driving chains |
| CN107991070A (en) * | 2017-10-30 | 2018-05-04 | 大连理工大学 | A kind of method of real-time for marine structure anchor chain fracture of anchoring |
| CN110346225A (en) * | 2019-08-14 | 2019-10-18 | 缪协兴 | A kind of anchor cable impact strength test system under supporting state |
| CN114441323A (en) * | 2021-12-24 | 2022-05-06 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Double-acting-cylinder coordinated loading test bed and coordinated loading test method |
| CN116838396A (en) * | 2023-08-30 | 2023-10-03 | 北京科技大学 | Grouting supporting flexible anchor cable equipment for explosion-proof and impact-proof of high-gas mine tunnel |
-
2008
- 2008-06-20 CN CNU2008200384213U patent/CN201233308Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483125A (en) * | 2015-01-06 | 2015-04-01 | 哈尔滨电机厂有限责任公司 | Hydraulic loading device with automatic homing and limiting functions |
| CN104949832A (en) * | 2015-05-28 | 2015-09-30 | 同济大学 | Horizontal test platform for fracture, fatigue and chain length precision measurement of escalator driving chains |
| CN104949832B (en) * | 2015-05-28 | 2017-06-13 | 同济大学 | A kind of horizontal drive chain of escalator is disrumpent feelings, tired and chain length precision measure testing stand |
| CN107991070A (en) * | 2017-10-30 | 2018-05-04 | 大连理工大学 | A kind of method of real-time for marine structure anchor chain fracture of anchoring |
| CN110346225A (en) * | 2019-08-14 | 2019-10-18 | 缪协兴 | A kind of anchor cable impact strength test system under supporting state |
| CN114441323A (en) * | 2021-12-24 | 2022-05-06 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Double-acting-cylinder coordinated loading test bed and coordinated loading test method |
| CN116838396A (en) * | 2023-08-30 | 2023-10-03 | 北京科技大学 | Grouting supporting flexible anchor cable equipment for explosion-proof and impact-proof of high-gas mine tunnel |
| CN116838396B (en) * | 2023-08-30 | 2023-11-07 | 北京科技大学 | Grouting supporting flexible anchor cable equipment for explosion-proof and impact-proof of high-gas mine tunnel |
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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: 20090506 |