CN109838258A - Anchorage - Google Patents

Anchorage Download PDF

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Publication number
CN109838258A
CN109838258A CN201711215721.4A CN201711215721A CN109838258A CN 109838258 A CN109838258 A CN 109838258A CN 201711215721 A CN201711215721 A CN 201711215721A CN 109838258 A CN109838258 A CN 109838258A
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CN
China
Prior art keywords
tension part
lock core
adjusting
adjusting set
tunnel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711215721.4A
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Chinese (zh)
Inventor
李志兵
段昌瑞
季淮君
薛俊华
任波
杜振宇
邓东生
杨理强
马静冉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pingan Coal Mining Exploitation Engineering Technology Institute Co Ltd
Original Assignee
Pingan Coal Mining Exploitation Engineering Technology Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pingan Coal Mining Exploitation Engineering Technology Institute Co Ltd filed Critical Pingan Coal Mining Exploitation Engineering Technology Institute Co Ltd
Priority to CN201711215721.4A priority Critical patent/CN109838258A/en
Publication of CN109838258A publication Critical patent/CN109838258A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a kind of anchorage, comprising: tension part, lockset, adjusting set and regulating device;For being threaded through in the anchor hole that tunnel top surface opens up, the bottom end of tension part passes through the adjustment hole being arranged in the adjusting set and connect with lockset on the top of tension part;Adjusting set is connect with lockset by regulating device, and regulating device is for adjusting the distance between adjusting set and tension part top.The Basolateral of tension part is set in by adjusting set, lockset is connect with adjusting set by regulating device;So that when the pulling force that tension part is born reaches capacity, adjusting set can be kept mobile to the bottom end of tension part, tunnel top surface is caused to reduce the pressure of adjusting set by adjusting regulating device, and then pulling force suffered by tension part is reduced, it is broken in order to avoid the pulling force that is subject to of tension part is excessive;And then the rock of tunnel top surface caused by avoiding because of tension part fracture is fallen in tunnel, ensure that the safety of staff and winning apparatus.

Description

Anchorage
Technical field
The present invention relates to support apparatus in coal mine manufacturing technology field more particularly to a kind of anchorages.
Background technique
Coal is generally imbedded in below rock stratum, in exploiting colliery, need to dig tunnel to underground, so as to winning apparatus and Staff enters workplace by tunnel;With the increase of mining depth, downward pressure that the rock stratum of tunnel top surface is subject to Power is gradually increased, and the rock stratum of tunnel top surface is easy to be crushed under the effect of the pressure, and then is fallen by tunnel top surface, is easy to injure work by a crashing object Make personnel or winning apparatus;Therefore how to prevent from the rock of tunnel top surface from falling to have become a hot topic of research.
In the prior art, anchorage often is set in the top surface in tunnel, to prevent the rock stratum of tunnel top surface from falling in tunnel.Anchor Tool includes: steel strand wires, closing piece and lock core, offers locking channel on closing piece, and locking channel is by closing piece towards tunnel top surface Top extends to bottom end and area of section is gradually increased;Lock core is in a circular table shape, tip section area of the lock core towards tunnel top surface Less than the area of section of lock core bottom end, installation passage is offered in lock core, lock core top offers separation mouth to lock core bottom end;Peace When dress, an anchor hole is first opened up upwards in tunnel top surface, the top of steel strand wires is threaded through in anchor hole, then fills out into anchor hole Anchor Agent is filled, Anchor Agent can be by steel strand wires gluing on the side wall of anchor hole, and the bottom end of steel strand wires is located in tunnel;Later will Closing piece is set on the outside of steel strand wires;Steel strand wires bottom end is threaded through in installation passage again;Lock core is threaded through locking channel later It is interior, support closing piece, upwards to apply a precompression to rock stratum;After discharging closing piece, under the action of precompression, between lock core and closing piece Self-locking, lock core inner wall compression steel strand wires are generated, and then lock core and closing piece is prevented to move downward, closing piece supports the top in tunnel at this time Face can prevent the rock stratum of tunnel top surface from falling.
However, in the prior art, since the frictional force between steel strand wires and lock core is larger, after installation, closing piece and lock core be not It can be mobile relative to steel strand wires;Moreover, the downward pressure in tunnel top surface is gradually increased as tunnel uses the growth of time, when When pressure is increased to a certain extent, steel strand wires are easily broken off, so that the top surface in tunnel loses support, the rock stratum of top surface falls to lane Inside road, it is easy to injure staff or winning apparatus by a crashing object.
Summary of the invention
In view of this, the present invention provides a kind of anchorage, and to solve since the frictional force between steel strand wires and lock core is larger, peace Closing piece and lock core all cannot be mobile relative to steel strand wires after dress;Moreover, tunnel top surface is downward as tunnel uses the growth of time Pressure be gradually increased, when pressure increases to a certain extent, the technical issues of steel strand wires are easily broken off.
The present invention provides a kind of anchorages, comprising: tension part, lockset, adjusting set and regulating device;The tension part For being threaded through in the anchor hole that tunnel top surface opens up, the bottom end of the tension part passes through the tune being arranged in the adjusting set on top Knothole is connect with the lockset;The adjusting set also passes through regulating device with the lockset and connect, and the regulating device is for adjusting Save the distance between the adjusting set and the tension part top;The adjusting set is used to support the top surface in the tunnel.
Anchorage as described above, it is preferable that the regulating device includes in the adjusting being arranged on the adjustment hole side wall Screw thread and the adjusting external screw thread formed on the lockset, the adjusting internal screw thread and the adjusting external screw thread cooperate.
Anchorage as described above, it is preferable that be provided with rotating arm on the outside of the adjusting set.
Anchorage as described above, it is preferable that lockset includes closing piece and lock core;Locking channel is offered on the closing piece, The locking channel is extended from the closing piece towards the top on the tension part top to bottom end and area of section is gradually increased; The closing piece is connect with the adjustment hole by the regulating device;The lock core is in rotary table or prism-frustum-shaped, inside the lock core Installation passage is offered, the tension part is threaded through in the installation passage;It is smaller by area of section on the side wall of the lock core Top extended to form separation mouth to bottom end;The area of section on the lock core top is greater than the section on the locking channel top Area, the lock core is threaded through in the locking channel and the top of the lock core is arranged towards the top of the tension part.
Anchorage as described above, it is preferable that the separation mouth is through to the bottom end of the lock core by the top of the lock core.
Anchorage as described above, it is preferable that the separation mouth is multiple.
Anchorage as described above, it is preferable that further include ring elastic parts, the ring elastic parts are set in the lock core Outside.
Anchorage as described above, it is preferable that locating slot is offered on the lock core, the ring elastic parts are accommodated in institute It states in locating slot.
Anchorage as described above, it is preferable that further include pallet, the pallet is used to be arranged in top surface and the institute in the tunnel It states between adjusting set.
Pallet anchorage as described above, it is preferable that the tension part is steel strand wires.
Anchorage provided by the invention, by being threaded through the top of tension part in the anchor hole of tunnel top surface, tension part Bottom end is connect with lockset, and adjusting set is set in the Basolateral of tension part, and lockset is connect with adjusting set by regulating device;So that It, can be by adjusting dress when so that the pulling force that tension part is born reaching capacity when the pressure that the top in tunnel is subject to is excessive It sets, makes adjusting set to moving inside lane, cause tunnel surface to reduce the pressure of adjusting set, and then reduce suffered by tension part Pulling force, be broken in order to avoid the pulling force that is subject to of tension part is excessive;And then tunnel top surface caused by avoiding because of tension part fracture Rock fall in tunnel, cause roadway support to be failed, ensure that the safety of staff and winning apparatus.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the scheme of installation of anchorage provided in an embodiment of the present invention;
Fig. 2 is the partial enlarged view in Fig. 1 at A;
Fig. 3 is the structural schematic diagram of adjusting set in anchorage provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram of closing piece in anchorage provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of lock core in anchorage provided in an embodiment of the present invention.
Description of symbols:
10, tension part;
20, adjusting set;
30, lockset;
40, tunnel;
50, pallet;
60, ring elastic parts;
201, internal screw thread is adjusted;
202, adjustment hole;
301, closing piece;
302, lock core;
3011, channel is locked;
3012, external screw thread is adjusted;
3021, installation passage;
3022, separation mouth.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the present invention, unless otherwise specific regulation, the terms such as term " installation ", " connected ", " connection ", " fixation " are answered It is interpreted broadly, for example, it may be being fixedly connected, is also possible to removably connect, or be integrally formed, can be mechanical connect It connects, is also possible to be electrically connected or can communicate each other;It can be directly connected, can also be indirectly connected with by intermediate medium, it can To be the interaction relationship of connection or two elements inside two elements, unless otherwise restricted clearly.For ability For the those of ordinary skill in domain, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the recovery process of coal mine, often a vertical shaft need to be opened up to underground on ground, open up water in the end of vertical shaft later Flat tunnel;Or the tunnel with certain tilt angle is opened up on the ground, and as tunnel extends to underground, the depth in tunnel It gradually increases;The end in tunnel extends to coal seam, and staff and winning apparatus can be transported to coal seam by tunnel, be opened Adopt operation.And mined coal can be transported by tunnel to vertical shaft or ground, to realize the exploitation of coal.Tunnel is general It is provided among rock stratum, after digging tunnel, the rock stratum of tunnel top surface is in self gravity and tunnel top rock stratum extruding force Under the action of to protruding deformation inside tunnel;It is the catalase of tunnel top surface, loose when deflection reaches a certain level, into And it is fallen by tunnel top surface;If have staff's process or lower part to have winning apparatus at this time, the rock fallen is easy to work Make personnel or winning apparatus damages;In addition, the rock fallen can be deposited in inside tunnel, and then reduce the section in tunnel Area hinders the transport of coal.
Fig. 1 is the scheme of installation of anchorage provided in an embodiment of the present invention, and Fig. 2 is the partial enlarged view in Fig. 1 at A, Fig. 3 For the structural schematic diagram of adjusting set in anchorage provided in an embodiment of the present invention.Please refer to Fig. 1-Fig. 3.Anchor provided in this embodiment Tool, comprising: tension part 10, lockset 30, adjusting set 20 and regulating device;The top of tension part 10 is for being threaded through the top of tunnel 40 In the anchor hole that face opens up, the bottom end of tension part 10 passes through the adjustment hole 202 being arranged in adjusting set 20 and connect with lockset 30;It adjusts Set 20 is also connect by regulating device with lockset 30, regulating device for adjust between 10 top of adjusting set 20 and tension part away from From;Adjusting set 20 is used to support the top surface in tunnel 40.
Specifically, tension part 10 can be any device with certain length and intensity, so as in tension part 10 by one Will not be broken after fixed pulling force, the present embodiment to tension part 10 with no restrictions;Such as: tension part 10 can be iron prop or steel Muscle.The anchor hole of 40 top surface of tunnel can be formed by perforator or drilling machine, and anchor hole upwardly extends a certain distance, with Just the top of tension part 10 can be threaded through in anchor hole, also, part tension part 10 is accommodated in anchor hole;Backward anchoring Anchor Agent is filled in hole, to increase the frictional force between tension part and anchor hole side wall;Preferably, Anchor Agent can for cement slurry or Person's glue glues tension part 10 so that after Anchor Agent is filled in anchor hole, Anchor Agent can condense in a short time It connects on the side wall of anchor hole.
Specifically, lockset 30 can be the device that can arbitrarily connect with tension part 10, knot of the present embodiment to lockset 30 Structure is with no restrictions;Lockset 30 can be in spherical, cylindric or rectangular-shape.In addition the present embodiment is to lockset 30 and tension part 10 Between connection type also with no restrictions;As long as guaranteeing rock stratum at the top of tunnel 40 to protruding inside tunnel 40, tunnel 40 is pushed up The rock in portion supports adjusting set 20, and then when the pressure from rock is transferred to lockset 30 by adjusting set 20, lockset 30 will not phase It is mobile for tension part 10;For example, lockset 30 can be connect by welding or bolted mode with tension part 10;Separately Outside, lockset 30 can also be integrally formed by way of casting with tension part 10, to guarantee between lockset 30 and tension part 10 Bonding strength.
The present embodiment to the shape of adjusting set 20 also with no restrictions, such as: adjusting set 20 can cylindrical, prism-shaped etc. Regular shape, can also be in other irregular shapes;The cross sectional shape of 20 adjustment apertures 202 of adjusting set can rounded, square Regular shapes such as shape or in other irregular shapes, if guarantee that tension part 10 can be threaded through in adjustment hole 202, and And it can be moved in adjustment hole 202 along the direction for being parallel to 202 axis of adjustment hole.
Specifically, regulating device can be the dress that can arbitrarily change distance between 10 top of adjusting set 20 and tension part When setting, and deform downwards in the rock stratum of 40 top surface of tunnel, and then supporting adjusting set 20, regulating device can be by 20 institute of adjusting set The pressure received is transferred to lockset 30, the present embodiment to regulating device with no restrictions;Such as: regulating device may include adjusting spiral shell The outside protrusion of bolt, lockset 30 is formed with a mounting plate, and mounting plate is recessed inwardly away from one end of lockset 30 and is formed with a slot, Adjusting has an annular slot on bolt, adjusting bolt is plugged in slot and annular slot and slot cooperate, so as to adjust spiral shell Bolt can only rotate in slot, cannot be axially moveable;A threaded hole is offered in adjusting set 20, is adjusted bolt and is matched with threaded hole It closes, so that adjusting set 20 can be adjusted at a distance from 10 top of tension part when torsion adjusts bolt;And then changes tunnel 40 and push up In face of the pressure of adjusting set 20, i.e. pulling force suffered by tension part 10;Preferably, adjusting bolt can be multiple, to increase lockset Bonding strength between 30 and adjusting set 20.
Specifically, during installation, it is mobile to the top of tension part 10 that adjusting set 20 can be made by regulating device, and then is made There is a precompression between adjusting set 20 and the top surface in tunnel 40, and then make tension part 10 that certain flexible deformation occur;In order to avoid When rock in 40 top surface of tunnel is inwardly projecting, rock supports adjusting set 20, and then by 30 drawing tension part 10 of lockset, tenses The amount of elastic deformation occurred after 10 under tension of part is excessive, so that the rock deformation amount of 40 top surface of tunnel is excessive, and then rock is broken It goes to sticks and staves and falls in tunnel 40.
The installation process of anchorage provided in this embodiment are as follows: open up anchor hole on the top surface in tunnel 40 first, will tense The top of part 10 is threaded through in anchor hole, and Anchor Agent is filled into anchor hole, after Anchor Agent solidification, by the bottom of tension part 10 End is threaded through in adjustment hole 202;Lockset 30 can connect before tension part 10 is threaded through anchor hole with the rear end of tension part 10 It connects, lockset 30 can also be connect after Anchor Agent solidifies with the rear end of tension part 10;Adjusting set 20 and lockset 30 are passed through later Regulating device links together, and adjusts the top surface that regulating device can make the top of adjusting set 20 support tunnel 40, and then adjust Set 20 can prevent the rock stratum of 40 top surface of tunnel from deforming downwards;To realize the installation of anchorage.
Anchorage provided in this embodiment is drawn by being threaded through the top of tension part 10 in the anchor hole of 40 top surface of tunnel The bottom end of tight part 10 is connect with lockset 30, and adjusting set 20 is set in the Basolateral of tension part 10, and lockset 30 and adjusting set 20 are logical The connection of toning regulating device;So that when the pressure that the top in tunnel 40 is subject to is excessive, so that the pulling force that tension part 10 is born reaches pole In limited time, adjusting set 20 can be kept mobile to the direction away from 10 top of tension part, tunnel 40 is caused to be pushed up by adjusting regulating device Pressure in face of adjusting set 20 reduces, and then reduces pulling force suffered by tension part 10;In order to avoid the pulling force that tension part 10 is subject to It is excessive to be broken;The rock for avoiding 40 top surface of tunnel caused by being broken because of tension part 10 in turn is fallen in tunnel 40, is protected The safety of staff and winning apparatus is demonstrate,proved.
Fig. 4 is the structural schematic diagram of closing piece in anchorage provided in an embodiment of the present invention.Referring to figure 4., specifically, dress is adjusted It sets including the adjusting internal screw thread 201 being arranged on 202 side wall of adjustment hole and the adjusting external screw thread formed on lockset 30 3012, it adjusts internal screw thread 201 and adjusts the cooperation of external screw thread 3012.Lockset 30 can be threaded through in adjusting set 20, and pass through torsion Turning adjusting set 20 can be realized the degrees of tensions for adjusting 20 tunnel of adjusting set, 40 surface, and structure is simple and easy to adjust.In addition, Coal mining finishes, and then when tunnel 40 is discarded, can be by reversing adjusting set 20, and then makes adjusting set 20 to away from tunnel 40 The direction on surface is mobile, and then adjusting set 20 is unloaded and recycled, and to utilize again, reduces the waste of material.Preferably, The axial length of external screw thread 3012 is adjusted on the axial length and/or lockset 30 of reasonable setting adjustment hole 202, thus it is possible to vary adjust The regulated quantity of regulating device, to adapt to the deflection of different 40 top surfaces of tunnel.
Preferably, adjusting set 20 can be in the form of a column, and be formed with the tightening portion of regular hexagon in the lateral surface of adjusting set 20, be twisted Tight portion can cooperate with spanner, will pass through spanner torsion adjusting set 20.
It is further preferred that the outside of adjusting set 20 is provided with rotating arm.It drives adjusting set 20 to rotate by pivoted arm, is not required to Dedicated tool is wanted, it is easy to adjust and laborsaving.Specifically, one end of rotating arm can by welding with adjusting set 20 Lateral surface connection;Or rotating arm is integrally formed by way of casting with adjusting set 20.In addition, working as the rock of 40 top surface of tunnel When increasing the pressure of adjusting set 20, the pressure for adjusting internal screw thread 201 and adjusting between external screw thread 3012 is increased with it, so that adjusting The frictional force for saving internal screw thread 201 and adjusting between external screw thread 3012 increases;At this moment staff rotates actuating arm by hand and is difficult to drive Dynamic adjusting set 20 rotates, and can be arranged sleeve on the outside of actuating arm at this time, to increase the length of the arm of force of torsion adjusting set 20 Degree can drive adjusting set 20 to rotate by casing in this way.
Fig. 5 is the structural schematic diagram of lock core in anchorage provided in an embodiment of the present invention.Referring to figure 5., specifically, lockset 30 Including closing piece 301 and lock core;Locking channel 3011 is offered on closing piece 301, locking channel 3011 is by closing piece 301 towards tension The top on 10 top of part extends to bottom end and area of section is gradually increased;Closing piece 301 and adjustment hole 202 are connected by regulating device It connects;Lock core is in rotary table or prism-frustum-shaped, offers installation passage 3021 inside lock core, tension part 10 is threaded through installation passage 3021 It is interior;Separation mouth 3022 has been extended to form from the lesser top of area of section to bottom end on the side wall of lock core;The section on lock core top Area is greater than the area of section on locking 3011 top of channel, and lock core is threaded through in locking channel 3011 and the top direction of lock core The top of tension part 10 is arranged.Under the premise of guaranteeing bonding strength between lockset 30 and tension part 10, realize lockset 30 with Being detachably connected between tension part 10, so as to can be by lockset 30 and adjusting set 20 by being torn open on tension part 10 after use Under, and then realize the recycling of lockset 30 and adjusting set 20, reduce waste of material.In addition, working as the drawing that tension part 10 is subject to When power increases, locking channel 3011 increases with it the pressure of lock core, and the separation mouth 3022 on lock core top reduces at this time, so that peace The inner wall for filling channel 3021 increases the pressure of tension part 10, and the frictional force between lock core and tension part 10 increases with it;Work as When the pulling force that tension part 10 is subject to increases, the frictional force between lock core and tension part 10 is increased with it, and be ensure that lockset 30 and is drawn Bonding strength between tight part 10.
Specifically, the disassembly process of adjusting set 20 and lockset 30 are as follows: when coal mining finishes, tunnel 40 is discarded, work Personnel can make adjusting set 20 be moved to the limit to the direction away from 10 top of tension part or incite somebody to action by adjusting regulating device Adjusting set 20 on lockset 30 by disassembling;So that the pulling force that tension part 10 is subject to disappears, closing piece can be pushed up at this time 301, due to having frictional force between lock core and tension part 10, lock core will not be moved at this time;And then channel 3011 is locked to lock core Pressure disappear, the holding power of lock core natural resiliency and/or tension part 10 effect under, separation mouth 3022 increase;And then make to lock Core and tension part 10 are detached from, and realize the disassembly between lockset 30 and tension part 10;Later by closing piece 301, lock core and adjusting set 20 transports are to ground, so as to on the tension part 10 on other tunnels 40, and then realize returning for lockset 30 and adjusting set 20 It receives and utilizes.
With continued reference to Fig. 5.Preferably, separation mouth 3022 is through to the bottom end of lock core by the top of lock core.Separation mouth 3022 Length it is longer, therefore separation mouth 3022 is easy to happen deformation;I.e. in lock core by the locking lesser pressure of 3011 side arm of channel When, separation mouth 3022 can deformation occurs, side wall, that is, compressible tension part 10 of installation passage 3021.With continued reference to Fig. 5.Into Preferably, separation mouth 3022 is multiple to one step.In the pressure by locking 3011 side wall of channel, the width of each separation mouth 3022 It reduces simultaneously;I.e. under lesser pressure, side wall, that is, compressible tension part 10 of installation passage 3021, so that tension part 10 and peace Fill 3021 side wall of channel has enough frictional force.Specifically, each separation mouth 3022 can be from the top of lock core to lock core Bottom end extends at a pre-determined distance of tool lock core bottom end;Or each separation mouth 3022 is through to the bottom of lock core by the top of lock core End, i.e., lock core is made of multiple clamp clips separated by separation mouth 3022;The present embodiment to this with no restriction.
With continued reference to Fig. 5.Specifically, anchorage provided in this embodiment further includes ring elastic parts 60, ring elastic parts 60 It is set in the outside of lock core 302.Since the separation mouth 3022 on lock core 302 runs through entire lock core 302, and separation mouth 3022 is It is multiple, therefore be arranged ring elastic parts 60 outside lock core 302 and can be scattered to avoid lock core 302, facilitate lock core 302 and tense The installation of part 10.
Preferably, ring elastic parts 60 can be any ring device with certain elasticity, and the present embodiment is to annular elastomeric Property part 60 structure with no restrictions, such as ring elastic parts 60 can be for rubber ring, with a notch and have certain elasticity Becket, in addition ring elastic parts 60 can also be helical spring, and the both ends of helical spring are docked, to form the bullet of an annular Spring.
It is further preferred that lock core 302 on offer locating slot, ring elastic parts 60 are accommodated in locating slot.Annular Elastic component 60 is fastened in locating slot, is avoided when installing lock core 302 or tension part 10, ring elastic parts 60 are by lock core 302 On fall off.
With continued reference to Fig. 2.Specifically, anchorage provided in this embodiment further includes pallet 50, and pallet 50 is for being arranged in lane Between the top surface and adjusting set 20 in road 40.Adjusting set 20 is contacted by pallet 50 with the top surface in tunnel 40, and tunnel 40 is increased Forced area, in order to avoid 40 top surface of tunnel is because of local pressure, caused pressure is excessive, so that the rock fragmentation of 40 top surface of tunnel, into And it falls.In addition, the not direct rock contact with 40 top surface of tunnel of adjusting set 20, also avoids adjusting tune by regulating device When section set 20 is at a distance from 10 top of tension part, adjusting set 20 is mobile relative to the rock of 40 top surface of tunnel, and then adjusting set 20 Grinding or delineation rock, make rock fragmentation and fall in tunnel 40.
Preferably, one end of pallet 50, which is internally recessed, is formed with a mounting groove, and tension part 10 can be threaded through mounting groove It is interior, and then realize and tension part 10 is arranged between 40 top surface of adjusting set 20 and tunnel.
Preferably, tension part 10 is steel strand wires.The tensile strength of steel strand wires is larger, structure is simple, easy to process and cost It is lower.Specifically, steel strand wires are to be made of more steel wires according to certain rotation direction is twisted, steel wire can by way of cold-drawn at Type can form one layer of coating on the surface of steel wire later;Coating can be zinc layers, aluminium layer or combinations thereof, to increase steel The corrosion resistance of silk.
In other embodiments, a bellmouth, area of section of the bellmouth towards steel strand wires top are offered on lockset 30 Greater than the area of section of the other end, steel strand wires bottom end can be threaded through in bellmouth by when installation, later twist the steel in bellmouth Line releases winding, and molten metal is filled into bellmouth, forms metal block after molten metal solidification, metal block can be attached to steel strand wires On, and then steel strand wires and metal block are blocked in bellmouth, will not be separated with lockset 30 after steel strand wires under tension, to realize Connection between steel strand wires and lockset 30.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of anchorage characterized by comprising tension part, lockset, adjusting set and regulating device;The top of the tension part For being threaded through in the anchor hole that tunnel top surface opens up, the bottom end of the tension part passes through the adjusting being arranged in the adjusting set at end Hole is connect with the lockset;The adjusting set also passes through regulating device with the lockset and connect, and the regulating device is for adjusting The distance between the adjusting set and the tension part top;The adjusting set is used to support the top surface in the tunnel.
2. anchorage according to claim 1, which is characterized in that the regulating device includes being arranged in the adjustment hole side wall On adjusting internal screw thread and the adjusting external screw thread that is formed on the lockset, the adjusting internal screw thread and the outer spiral shell of the adjusting Line cooperation.
3. anchorage according to claim 2, which is characterized in that be provided with rotating arm on the outside of the adjusting set.
4. anchorage according to claim 1-3, which is characterized in that lockset includes closing piece and lock core;The lock Offered on block locking channel, the locking channel from the closing piece towards the top on the tension part top to bottom end extension, And area of section is gradually increased;The closing piece is connect with the adjustment hole by the regulating device;The lock core in rotary table or Prism-frustum-shaped offers installation passage inside the lock core, and the tension part is threaded through in the installation passage;The side of the lock core Separation mouth has been extended to form from the lesser top of area of section to bottom end on wall;The area of section on the lock core top is greater than described The area of section on channel top is locked, the lock core is threaded through in the locking channel and the top of the lock core is described in The top of tension part is arranged.
5. anchorage according to claim 4, which is characterized in that the separation mouth is through to described by the top of the lock core The bottom end of lock core.
6. anchorage according to claim 5, which is characterized in that the separation mouth is multiple.
7. anchorage according to claim 6, which is characterized in that further include ring elastic parts, the ring elastic parts are arranged In the outside of the lock core.
8. anchorage according to claim 7, which is characterized in that offer locating slot, the annular elastomeric on the lock core Property part is accommodated in the locating slot.
9. anchorage according to claim 1-3, which is characterized in that further include pallet, the pallet is for being arranged Between the top surface and the adjusting set in the tunnel.
10. anchorage according to claim 1-3, which is characterized in that the tension part is steel strand wires.
CN201711215721.4A 2017-11-28 2017-11-28 Anchorage Pending CN109838258A (en)

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