CN208953382U - Coal Mine anchorage cable Avertence tensile device - Google Patents
Coal Mine anchorage cable Avertence tensile device Download PDFInfo
- Publication number
- CN208953382U CN208953382U CN201820945944.XU CN201820945944U CN208953382U CN 208953382 U CN208953382 U CN 208953382U CN 201820945944 U CN201820945944 U CN 201820945944U CN 208953382 U CN208953382 U CN 208953382U
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- China
- Prior art keywords
- coal mine
- anchor cable
- mounting surface
- cable
- power unit
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Abstract
The utility model relates to coal Mine anchorage cable deflection stretching technique fields, coal Mine anchorage cable Avertence tensile device is provided, including fixing piece, power unit and load sensor, the mounting surface of anchor cable is provided on fixing piece, power unit meets: when one end of anchor cable is fixed on mounting surface, when the other end connects power unit, the angle between anchor cable and mounting surface between mounting surface and power unit is acute angle;Load sensor is for obtaining the load and display that anchor cable is subject to.The coal Mine anchorage cable Avertence tensile device can measure anchor cable deflection installation cause tail portion to be sheared in the case where anchor cable deflection tensile property, and can effectively simulate tunnel uneven surface, there are anchor cables to be in tilted layout in design, when punching deflection anchor cable deflection tensile property, and then can choose anchor cable that is most suitable, being able to satisfy requirement under corresponding operating condition by this kind of coal Mine anchorage cable Avertence tensile device.
Description
Technical field
The utility model relates to coal Mine anchorage cable deflection stretching technique field more particularly to coal Mine anchorage cable coal Mine anchorage cables
Avertence tensile device.
Background technique
Small-bore prestressing force resin cable-bolts since high with anchor force and anchorage length is big, it is more high-prestressed to apply and
When supporting the advantages that, be widely applied in colliery tunnel support.Cable bolting mechanism is also sent out from traditional suspensory theory
Exhibition is that anchor cable can apply larger pretightning force, actively applies compression to country rock, forms skeleton with the compression area that anchor pole is formed
Reticular structure.
For the anchor cable of underground coal mine, it is in tilted layout if existing exist in tunnel uneven surface or design during installation,
Will cause anchor cable carrying during be nearby broken by oblique pull in lockset (namely anchor cable end), this operating condition differ markedly from bridge and
Other industry suspension cables and other general service anchor cables.For example, in the actual construction process, since deflection punching or scar are uneven
The reasons such as whole will lead to anchor cable and favour scar installation, and cause anchor cable near lockset by shearing-stretching combined stress
Effect, thus oblique pull fracture can occur for anchor cable.
Utility model content
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
One of purpose of the utility model is: providing a kind of coal Mine anchorage cable Avertence tensile device, solves existing
Anchor cable deflection tensile property is asked in the case where having experimental rig present in technology that can not measure the end of anchor cable by shearing
Topic.
In order to realize the purpose, the utility model provides a kind of coal Mine anchorage cable Avertence tensile device, including solid
Determine part, power unit and load sensor, the mounting surface of anchor cable be provided on the fixing piece, the power unit meets:
When one end of the anchor cable is fixed on the other end connection power unit on the mounting surface, it is located at the installation
The angle between the anchor cable and the mounting surface between face and the power unit is acute angle;The load sensor is used
In obtaining the load and display that the anchor cable is subject to.
Preferably, the fixing piece is tubular bracket, and the mounting surface is formed on a mounting board, and the mounting plate is fixed on
The first end of the tubular bracket, the power unit are fixed on the second end of the tubular bracket;The anchor cable passes through described
After inside tubular bracket, both ends are separately connected the mounting plate and the power unit.
Preferably, the angle between the mounting surface and the central axis of the tubular bracket is acute angle.
Preferably, the mounting surface is formed in side of the mounting plate far from the tubular bracket, on the mounting plate
It is formed with the mesoporous that anchor cable passes through.
Preferably, the length of the tubular bracket is greater than 2m.
Preferably, the power unit is the hydraulic cylinder being fixed on the fixing piece.
Preferably, the coal Mine anchorage cable Avertence tensile device further includes processor, receives the load sensor
Data, and handle obtain deflection drawing coefficient.
Preferably, the coal Mine anchorage cable Avertence tensile device further includes signal adapter, connects the load and passes
Sensor and processor, the data conversion for measuring the load sensor at digital signal and are sent to the processor.
Preferably, the mounting surface inclination is installed and setting angle is adjustable.
Preferably, the anchor cable is connect by lockset with the mounting surface, and/or, the anchor cable pass through lockset with it is described
Power unit connection.
The technical solution of the utility model has the advantage that the coal Mine anchorage cable Avertence tensile dress of the utility model
It sets, since it includes mounting surface and power unit, and is tensioned to the anchor cable between mounting surface and power unit and peace
Angle between dress face is acute angle, so as to measure anchor cable deflection tensile property in the case that the end of anchor cable is sheared
Problem.This kind of coal Mine anchorage cable Avertence tensile device can effectively simulate tunnel uneven surface, there are anchor cables in design
The deflection tensile property of anchor cable when inclination arrangement, tunnel surface punching deflection or scar out-of-flatness, and then by this kind
Coal Mine anchorage cable Avertence tensile device can choose anchor cable that is most suitable, being able to satisfy requirement under corresponding operating condition.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the working state schematic representation of the coal Mine anchorage cable Avertence tensile device of embodiment;
In figure: 1, tubular bracket;2, hydraulic cylinder;201, base plate;202, top plate;3, mounting plate;4, mounting surface;5, it locks
Tool;6, anchor cable;7, load sensor;8, signal adapter;9, processor;10, connecting plate.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The coal Mine anchorage cable Avertence tensile device of the present embodiment, including fixing piece, power unit and load sensor
7, it is provided with the mounting surface 4 of anchor cable 6 on fixing piece, power unit meets: when one end of anchor cable 6 is fixed on mounting surface 4, separately
When one end connects power unit, the angle between the anchor cable 6 between mounting surface 4 and power unit and mounting surface 4
For acute angle;Load sensor 7 is for obtaining the load and display that anchor cable 6 is subject to.
Wherein, " anchor cable 6 between mounting surface 4 and power unit " namely stress are tensioned to mounting surface 4 and power
Anchor cable 6 between unit.
The coal Mine anchorage cable Avertence tensile device of the present embodiment, since it includes mounting surface 4 and power unit,
And the angle being tensioned between the anchor cable 6 between mounting surface 4 and power unit and mounting surface 4 is acute angle, so as to survey
Determine anchor cable 6 end sheared in the case where 6 deflection tensile property of anchor cable the problem of.This kind of coal Mine anchorage cable deflection stretches examination
Experiment device can effectively simulate tunnel uneven surface, exist in design be in tilted layout, tunnel surface punching deflection or scar not
The deflection tensile property of anchor cable 6 when smooth, and then can be selected by this kind of coal Mine anchorage cable Avertence tensile device
Select anchor cable 6 that is most suitable, being able to satisfy requirement under corresponding operating condition.
Wherein, the connection type between anchor cable 6 and mounting surface 4 and anchor cable 6 and power unit is unrestricted, can adopt
The connection type disclosed in any prior art.For example, the realizations such as mode, welding manner connection can be connected through a screw thread.
In addition, can also be attached respectively by lockset 5 between anchor cable 6 and mounting surface 4 and between anchor cable 6 and power unit.And
The form of lockset 5 is equally unrestricted, as long as the both ends of anchor cable 6 can be locked with mounting surface 4, power unit respectively.
In Fig. 1, fixing piece is tubular bracket 1.It is fixed with mounting plate 3 in the left end of tubular bracket 1, in tubular bracket 1
Right end is fixed with power unit.Also, mounting surface 4 mentioned above is formed on mounting plate 3.In the case of this kind, anchor cable 6 is passed through
After 1 inside of tubular bracket, both ends are separately connected mounting plate 3 and power unit.
In order to guarantee the structural strength of tubular bracket 1, the wall thickness of tubular bracket 1 can be designed, obtain heavy wall knot
Structure.Also, for the ease of the setting of mounting plate 3, connecting plate 10 preferably is set in the left end of tubular bracket 1, so as to pacify
Loading board 3 is fixed on connecting plate 10.
In addition, tubular bracket 1 can be cylindrical, it can also be in square tube type, or even can also be in triangle tubulose, special pipe
Shape etc..Also, for the ease of the big situation of simulation 6 anchorage length of anchor cable, preferably but necessarily tubular bracket 1 is along its length
The size in direction is greater than 2m.
In the present embodiment, power unit is not necessarily to fix by tubular bracket 1, as long as guaranteeing power unit as whole
When body, opposite 1 position of tubular bracket is determined.
Assuming that connected between 6 left end of anchor cable and mounting surface 4 by the first tie point, it is logical between anchor cable 6 and power unit
Cross the connection of the second tie point.
It is preferred that but necessarily: the first tie point and the second tie point are respectively positioned on the central axis of tubular bracket 1 (in or
The extended line of mandrel line) on.At this point, in order to enable " anchor cable 6 between mounting surface 4 and the power unit with it is described
Angle between mounting surface 4 is acute angle ", then the angle between mounting surface 4 and the central axis of tubular bracket 1 is acute angle.
Certainly, the first tie point and the second tie point can also be located at central axis (or the central axis of tubular bracket 1
Extended line) except, in the case of this kind, even if the central axis upright of mounting surface 4 and tubular bracket 1, then also can satisfy
The requirement of " angle between the anchor cable 6 and the mounting surface 4 between mounting surface 4 and the power unit is acute angle ".
In Fig. 1, mounting surface 4 is formed in mounting surface 4 in side namely attached drawing 1 of the mounting plate 3 far from the tubular bracket 1
It is formed in the left side of mounting plate 3.It, can be in order to anchor since mounting surface 4 is located at the outside of tubular bracket 1 in the case of this kind
Connection between rope 6 and mounting surface 4.Power unit is connected in order to which anchor cable 6 can pass through tubular bracket 1 at this time, on mounting plate 3
It is formed with the mesoporous passed through for anchor cable 6.
Certainly, mounting surface 4 can also be formed in mounting plate 3 in the side of tubular bracket 1 namely attached drawing 1, mounting surface
4 can also be formed in the right side of mounting plate 3.
It is emphasized that the structure type of fixing piece is not limited by illustrating in Fig. 1, as long as anchor cable 6 may be implemented
At least fixation of one end.Herein " as long as fixation that at least one end of anchor cable 6 may be implemented " be because power unit also
It can be fixed by other way.For example, fixing piece can also be the form of firm banking, and set on the fixed base
It is equipped with mounting surface 4.Power unit can also be fixedly mounted on the fixed base simultaneously.
In the present embodiment, the form of power unit is unlimited, as long as can apply load, such as power list to anchor cable 6
Member can be using forms such as hydraulic cylinder 2, motor, pneumatic cylinders.Wherein, power unit uses the form of hydraulic cylinder 2, it is ensured that
The load that anchor cable 6 applies is steady and accurately controls.Also, it, can be by hydraulic cylinder when power unit uses hydraulic cylinder 2
2 base plate 201 is fixed on the right end of tubular bracket 1, to realize the fixation of hydraulic cylinder 2.And it is possible to which anchor cable 6 is fixed on
On the top plate 202 of hydraulic cylinder 2.
Further, the coal Mine anchorage cable Avertence tensile device of the present embodiment further includes processor 9, is received described negative
The data of lotus sensor 7, and handle and obtain deflection drawing coefficient.Wherein, for processor 9, as long as obtaining load sensing
Breaking load when deflection that device 7 measures stretches, by the normal Breaking load of itself and anchor cable 6 (namely the only tension stretch of anchor cable 6
When Breaking load) be compared, the deflection drawing coefficient of anchor cable 6 can be acquired.
Wherein, preferably coal Mine anchorage cable Avertence tensile device further includes signal adapter 8, connected load sensor 7
With processor 9, and for the data conversion that load sensor 7 measures at digital signal and to be sent to processor 9.
Processor 9 therein can be the upper APP carried such as mobile phone, computer either plate, or be also possible to engineering
Upper dedicated single-chip microcontroller etc..
Deflection for the ease of the coal Mine anchorage cable Avertence tensile unit simulation different angle of the present embodiment stretches, excellent
Select the setting angle of mounting surface 4 adjustable.For example, in Fig. 1, mounting plate 3 and tubular bracket 1 are hinged and lock, so as to pacify
Loading board 3 is locked after adjusting to a certain setting angle.Wherein, the articulated manner of mounting plate 3 and tubular bracket 1 can use any
Articulated form disclosed in the prior art, same mounting plate 3 and tubular bracket 1 can be using forms disclosed in any prior art
It is locked.
According to the above coal Mine anchorage cable Avertence tensile device to the common anchor cable of coal mine 6 with steel strand wires carry out experiment and
Data acquisition.Specifically, being twisted respectively to the steel of steel strand wires, 1 × 7 nominal diameter 15.2mm that 1 × 19 nominal diameter is 21.80mm
The steel strand wires of line and 1 × 7 nominal diameter 17.8mm have carried out 20 ° of Avertence tensiles.Experimental data is as shown in table 1.
Table 1
From the above test data analyzer it is found that deflection drawing coefficient should be determined 2 classes of steel strand wires point: where 1 × 19 strand of steel
Twisted wire deflection drawing coefficient D≤20%, 1 × 7 strand of stranded wire deflection drawing coefficient D≤30%, therefore selected in the case where 20 ° of deflections stretch
It is more reasonable with 1 × 7 strand of steel strand wires.
On the basis of above, the present embodiment also provides a kind of Avertence tensile method, comprising:
One end of anchor cable 6 is fixed on mounting surface 4;
Anchor cable 6 is stretched by power unit, so that the anchor between the mounting surface 4 and the power unit
Angle between rope 6 and the mounting surface 4 is acute angle;
Record suffered tensile load when anchor cable 6 is broken under deflection tensional state.
On this basis, suffered tensile load, can be calculated anchor cable when being broken by anchor cable 6 under deflection tensional state
The 6 deflection drawing coefficient under the deflection tensional state.
In above method, wherein 4 preferred angled of mounting surface in " one end of anchor cable 6 is fixed on mounting surface 4 " is arranged.
In the case of this kind, power unit to anchor cable 6 apply horizontal direction drawing force, so that it may guarantee " be located at the mounting surface 4 and
The angle between the anchor cable 6 and the mounting surface 4 between the power unit is acute angle ".As long as also, 4 energy of mounting surface
It is enough in wherein one end of fixed anchor cable 6, shape, structure etc. is without particular requirement.
Embodiment of above is merely to illustrate the utility model, rather than limitations of the present invention.Although referring to implementation
The utility model is described in detail in example, those skilled in the art should understand that, to the technology of the utility model
Scheme carries out various combinations, modification or equivalent replacement, without departing from the spirit and scope of the technical scheme of the present invention, should all
Cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of coal Mine anchorage cable Avertence tensile device, which is characterized in that including fixing piece, power unit and load sensing
Device is provided with the mounting surface of anchor cable on the fixing piece, and the power unit meets: when one end of the anchor cable is fixed on institute
It states on mounting surface, when the other end connects the power unit, between the mounting surface and the power unit
Angle between the anchor cable and the mounting surface is acute angle;The load sensor is for obtaining the load that the anchor cable is subject to
And it shows.
2. coal Mine anchorage cable Avertence tensile device according to claim 1, which is characterized in that the fixing piece is pipe
Shape bracket, the mounting surface are formed on a mounting board, and the mounting plate is fixed on the first end of the tubular bracket, the power
Unit is fixed on the second end of the tubular bracket;After the anchor cable passes through inside the tubular bracket, both ends are separately connected
The mounting plate and the power unit.
3. coal Mine anchorage cable Avertence tensile device according to claim 2, which is characterized in that the mounting surface and institute
Stating the angle between the central axis of tubular bracket is acute angle.
4. coal Mine anchorage cable Avertence tensile device according to claim 3, which is characterized in that the mounting surface is formed
In side of the mounting plate far from the tubular bracket, the mesoporous passed through for anchor cable is formed on the mounting plate.
5. coal Mine anchorage cable Avertence tensile device according to claim 2, which is characterized in that the tubular bracket
Length is greater than 2m.
6. coal Mine anchorage cable Avertence tensile device as claimed in any of claims 1 to 5, which is characterized in that
The power unit is the hydraulic cylinder being fixed on the fixing piece.
7. coal Mine anchorage cable Avertence tensile device as claimed in any of claims 1 to 5, which is characterized in that
The coal Mine anchorage cable Avertence tensile device further includes processor, receives the data of the load sensor, and handle
To deflection drawing coefficient.
8. coal Mine anchorage cable Avertence tensile device according to claim 7, which is characterized in that the coal Mine anchorage cable
Avertence tensile device further includes signal adapter, connects the load sensor and processor, for passing the load
The data conversion that sensor measures is at digital signal and is sent to the processor.
9. coal Mine anchorage cable Avertence tensile device as claimed in any of claims 1 to 5, which is characterized in that
The mounting surface inclination is installed and setting angle is adjustable.
10. coal Mine anchorage cable Avertence tensile device as claimed in any of claims 1 to 5, which is characterized in that
The anchor cable is connect by lockset with the mounting surface, and/or, the anchor cable is connect by lockset with the power unit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820945944.XU CN208953382U (en) | 2018-06-19 | 2018-06-19 | Coal Mine anchorage cable Avertence tensile device |
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Application Number | Priority Date | Filing Date | Title |
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CN201820945944.XU CN208953382U (en) | 2018-06-19 | 2018-06-19 | Coal Mine anchorage cable Avertence tensile device |
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CN208953382U true CN208953382U (en) | 2019-06-07 |
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CN201820945944.XU Expired - Fee Related CN208953382U (en) | 2018-06-19 | 2018-06-19 | Coal Mine anchorage cable Avertence tensile device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113217057A (en) * | 2021-05-25 | 2021-08-06 | 中国煤炭科工集团太原研究院有限公司 | Anchor rope feeding structure and drilling equipment |
-
2018
- 2018-06-19 CN CN201820945944.XU patent/CN208953382U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113217057A (en) * | 2021-05-25 | 2021-08-06 | 中国煤炭科工集团太原研究院有限公司 | Anchor rope feeding structure and drilling equipment |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 Termination date: 20200619 |
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CF01 | Termination of patent right due to non-payment of annual fee |