CN209586402U - A kind of pretightning force anchor net - Google Patents
A kind of pretightning force anchor net Download PDFInfo
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- CN209586402U CN209586402U CN201920003792.6U CN201920003792U CN209586402U CN 209586402 U CN209586402 U CN 209586402U CN 201920003792 U CN201920003792 U CN 201920003792U CN 209586402 U CN209586402 U CN 209586402U
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- anchor net
- girder steel
- pretightning force
- connector
- steel
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Abstract
The utility model relates to a kind of pretightning force anchor nets, belong to CONTROL OF STRATA MOVEMENT technical field.The pretightning force anchor net includes: the first girder steel, and first girder steel is provided at least one protruding portion；First connector, first connector are connect with the first girder steel that two are parallel to each other；And highly equal multiple protruding portions are prominent along the side of the anchor net.After anchor net is installed for the first time, for pallet when anchor net is pressed on rock layer surface by the non-protruding position of anchor net, the protruding portion of anchor net also can apply pretightning force to rock layer surface.The area for applying pretightning force to increase anchor net to rock stratum, improves the support efficiency of anchor net.
Description
Technical field
The utility model relates to a kind of pretightning force anchor nets, belong to CONTROL OF STRATA MOVEMENT technical field.
Background technique
In Bolt System, anchor net is mainly used for that fragmented rock body is prevented to be caving, and the rock stratum between anchor pole is carried
Lotus passes to anchor pole.In anchor pole and anchor net combined supporting, pallet is usually pressed on rock stratum table with the nut of end of anchor rod
Face, anchor net form branch by the rock stratum weight transmitting for being caving or settling between anchor pole to end of anchor rod, by the anchor force of anchor pole
Protect intensity.
But anchor net in the prior art includes graticules and rhombus net, is planar structure.It is installed for the first time in anchor net
Cheng Hou, the position and rock stratum that anchor net is only contacted with pallet are in close contact, and play support action, the other parts of anchor net are for rock
There is no support actions for layer surface.Only when rock stratum is further crushed or is caving by strata pressure, the other parts of anchor net
Just start the effect of performance supporting.Therefore, at the initial stage of bolting with wire mesh, the utilization efficiency of anchor net is not high.
Utility model content
In order to solve the above technical problems existing in the prior art, the utility model provides a kind of pretightning force anchor net.
A kind of pretightning force anchor net provided by the utility model, comprising: the first girder steel, first girder steel are provided at least one
A protruding portion, and the first girder steel described in more is arranged in parallel；First connector, first connector at least two first
Girder steel connection；And highly equal multiple protruding portions are prominent along the side of the anchor net.
Further, the pretightning force anchor net further include: the second girder steel, second girder steel and two adjacent described
The connection of one girder steel.
Further, the pretightning force anchor net further include: the second connector, second connector are connect with described first
Part and/or first connector connection.
Further, first girder steel includes at least one of bar steel plate and reinforcing bar ladder beam.
Further, the protruding portion includes the bending part of the first girder steel, and the shape of the bending part includes smoothed curve
At least one of type, zigzag and rectangle.
Further, the protruding portion includes the additional protrusions object being fixedly connected on first girder steel, described additional
Bump includes at least one of convex block, the body of rod, plate body.
Further, first connector includes at least one of wirerope, reinforcing bar, steel strand wires, steel pipe.
Further, the non-projecting portion of first girder steel is provided at least one bolthole.
A kind of pretightning force anchor net provided by the utility model, by the way that the first girder steel is arranged in anchor net, and the first girder steel is set
It is equipped at least one protruding portion, so that highly equal multiple protruding portions are prominent along the side of the anchor net.Work as anchor
After the first installation of net, for pallet when anchor net is pressed on rock layer surface by the non-protruding position of anchor net, the protruding portion of anchor net also can be to
Rock layer surface applies pretightning force.The area for applying pretightning force to increase anchor net to rock stratum, improves the support efficiency of anchor net.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the first pretightning force anchor net of the present embodiment；
Fig. 2 show the structural schematic diagram of second of pretightning force anchor net of the present embodiment；
Fig. 3 show the structural schematic diagram of the first first girder steel of the present embodiment；
Fig. 4 show the structural schematic diagram of second of first girder steels of the present embodiment；
Fig. 5 show the structural schematic diagram of the third first girder steel of the present embodiment；
Fig. 6 show the structural schematic diagram of the 4th kind of first girder steel of the present embodiment；
Fig. 7 show the structural schematic diagram of the 5th kind of first girder steel of the present embodiment；
Fig. 8 show the structural schematic diagram of the 6th kind of first girder steel of the present embodiment.
Description of symbols: the first girder steel of 1-；The second girder steel of 2-；The first connector of 3-；The second connector of 4-.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.In the absence of conflict, following implementation
Feature in example and embodiment can be combined with each other.
Wherein, the term of "upper", "lower" etc. is for describing the relative positional relationship of each structure in the accompanying drawings, only
Convenient for being illustrated for narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the utility model.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In addition, in the present invention unless specifically defined or limited otherwise, should be to " installation ", " connected ", " company
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be directly connected, the connection inside two elements or two elements can also be can be indirectly connected through an intermediary
Interaction relationship.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in utility model.
As depicted in figs. 1 and 2, a kind of pretightning force anchor net provided in this embodiment, comprising: the first girder steel 1, the first girder steel 1
It is provided at least one protruding portion, and the first girder steel 1 described in more is arranged in parallel；First connector 3, the first connector 3 with
At least two first girder steel 1 connections；And highly equal multiple protruding portions are prominent along the side of anchor net.
Illustratively, the shape of pretightning force anchor net can be the other shapes such as rectangular, diamond shape, triangle, as long as
Meeting multiple pretightning force anchor nets can closely continuous laying use.First girder steel 1 can be bar steel plate and be also possible to steel
Other girder steels such as muscle ladder beam, it is desirable that the first girder steel 1 has certain bending resistance and anti-pressure ability, here not to first
The concrete shape of girder steel 1 is limited.More first girder steels 1 should keep being parallel to each other, so that Shi Mao Netease is in production, and
The protruding portion of the anchor net of formation is also relatively uniform.
As shown in figure 3, each first girder steel 1 can also can be shown with multiple prominent with only one protruding portion such as Fig. 3 ~ Fig. 7
Specific limitation is not done to the quantity of protruding portion here by portion out.Protruding portion can be the knot that the first girder steel 1 is bent to form
Structure is also possible to the additional structure for thickening the first girder steel 1 connected on the first girder steel 1, but shown in the present embodiment
The generation type of protruding portion is not limited to this, and the prominent knot higher than the other parts of anchor net is formed on the first girder steel 1 as long as meeting
Structure.And specific limitation is not done to the shape of protruding portion, protruding portion can be dentation protrusion, rod-shaped protrusion, curved shape
The other shapes such as prominent.Multiple protrusions can be spaced setting or continuously be arranged.First steel in the present embodiment pretightning force anchor net
The effect of beam 1 includes that setting protruding portion is reached with changing the planar structure of original anchor net into one with forming the anchor net that height rises and falls
Step improves the effect of anchor net pretightning force.
The first connector 3 in the present embodiment is for the first girder steel 1 to be attached, so that the first girder steel 1 and first connects
The pretightning force anchor net of the present embodiment is collectively formed in fitting 3.The effect packet of other parts except the protruding portion of the pretightning force anchor net
It includes and is used for installation anchor pole, or the rock stratum of carrying sedimentation.Illustratively, the first connector 3 includes wirerope, reinforcing bar, steel strand
At least one of line and steel pipe, can only include one such in the first online connector 3 of an anchor, also may include
It is a variety of.The first connector 3 in pretightning force anchor net needs certain bearing capacity, such as tensile capacity.It is relatively more broken for rock stratum
The arrangement of the first connector 3 under the conditions of broken should be relatively close under complete condition compared with rock stratum, carries top sillar to meet
Requirement, but the present embodiment does not make specific limitation to the distance between multiple first connectors 3 here.
It illustratively, can also be as shown in Figure 1, as shown in Fig. 2, the first connector 3 can be vertical with the first girder steel 1
A connection piece 3 and the first girder steel 1 at other angles, but between the first connector 3 should keeping parallelism as far as possible so that anchor
The whole bearing capacity of net keeps uniform.The connection type of first girder steel 1 and the first connector 3 can be to weld, rivet etc. it
He is fixedly connected with mode, does not do specific limitation to the connection type of the first girder steel 1 and the first connector 3 herein.
A kind of pretightning force anchor net provided in this embodiment, by the way that the first girder steel 1 is arranged in anchor net, and the first girder steel 1 is set
It is equipped at least one protruding portion, so that highly equal multiple protruding portions are prominent along the side of the anchor net.Work as anchor
After the first installation of net, for pallet when anchor net is pressed on rock layer surface by the non-protruding position of anchor net, the protruding portion of anchor net also can be to
Rock layer surface applies pretightning force, to increase the area that anchor net applies pretightning force to rock stratum, improves the support efficiency of anchor net.
As depicted in figs. 1 and 2, further, pretightning force anchor net further include: the second girder steel 2, the second girder steel 2 with it is adjacent
The connection of first girder steel 1, and more second girder steels 2 are arranged in parallel.
By connecting the second girder steel 2 between the first girder steel 1, pretightning force anchor net in the present embodiment can be further improved
Bearing capacity does not make specific limitation to the connection type of the first girder steel 1 and the second girder steel 2 herein.
As depicted in figs. 1 and 2, further, pretightning force anchor net further include: the second connector 4, the second connector 4 and
A connection piece 3 and/or the connection of the first connector 3, and more second connectors 4 are arranged in parallel.
Illustratively, it is included between the first girder steel 1 and second connector 4 is set, is arranged second between the first connector 3
Connector 4, and the second connector 4 is set between the first girder steel 1 and the first connector 3.By increasing by the second connector 4,
The density for improving anchor net further improves the bearing capacity of anchor net entirety.
Further, the first girder steel 1 includes at least one of bar steel plate and reinforcing bar ladder beam.
Illustratively, at least one bulge-structure, In can be arranged in bar steel plate and reinforcing bar ladder beam along its length
The first girder steel 1 in each anchor net can only have bar steel plate, can also there was only reinforcing bar ladder beam or bar steel plate and reinforcing bar
Ladder beam is used cooperatively.Bar steel plate is compared with reinforcing bar ladder beam, and the stress surface of shape steel plate is big, and supporting effect is more preferable；But
The structure of reinforcing bar ladder beam is simple, can be with saving steel.It can specifically be selected according to demand in practice.
Further, protruding portion includes the bending part of the first girder steel 1, and the shape of bending part includes smoothed curve type, sawtooth
At least one of shape and rectangle.
As shown in figure 3, forming the bending part of a smoothed curve type on the first girder steel 1；As shown in figure 4,1 shape of the first girder steel
At the bending part of two smoothed curve types；As shown in figure 5, forming the bending section of 2 rectangles on the first girder steel 1；As shown in fig. 6,
2 jagged bending sections are formed on first girder steel 1.Bending section on each girder steel can be only one such, can also be with
It is that there are many bending parts of different shapes.But the shape of the bending part of the first girder steel 1 cannot be exhaustive in the present embodiment, and not
To the quantity of protruding portion makees specific limitation on the first girder steel in the present embodiment.
Further, protruding portion includes the additional protrusions object being fixedly connected on the first girder steel 1, and additional protrusions object includes convex
At least one of block, the body of rod, plate body.
As shown in fig. 7, plate body structure has been fixedly installed on the first girder steel 1.Wherein additional protrusions object can be steel frame construction
It is formed, is also possible to shell structure, is also possible to solid construction, can also be the bump structure of other forms.Bump
Shape can be such as centrum, cylinder projection cube structure；Be also possible to the body of rod, and the body of rod can it is vertical with the first girder steel and/or
In parallel；It can also be the other shapes such as rectangular panel body, round plate body.The shape of additional protections is not done specifically here
It limits.The additional protections, which can be rubber bodies, rigid body, timber etc., bulge-structure made of the material of certain rigidity.This is attached
Add bump that can be welded on the first girder steel 1, is also possible to be fixedly connected with the first girder steel 1 by other means, specifically
Connection type selected according to the concrete shape of additional protections, size and material, do not limit specifically herein.
As shown in figure 8, the side of the first girder steel 1 is plane, the other side forms protruding portion, such as arch.
Further, the first connector 3 includes at least one of wirerope, reinforcing bar, steel strand wires, steel pipe.
Illustratively, the first connector 3 can be one of wirerope, reinforcing bar, steel strand wires, steel pipe, be also possible to
It is arbitrarily two kinds or more of to be applied in combination.Only the first connector 3 is illustrated here, it cannot exhaustion.As long as
Meet the linkage function, bearing function that the first connector should have required by the present embodiment, is considered as the present embodiment
The content for being included.
Further, the non-projecting portion of the first girder steel 1 is provided at least one bolthole.
Anchor pole passes through anchor net, and anchor net is fixed on rock layer surface by nut, pallet, and wherein the mounting means of anchor net belongs to existing
Technology, it will not be described in detail here.Anchor pole can pass through the first connector 3 and the first girder steel of pretightning force anchor net in the present embodiment
1, the grid formed between the second girder steel 2, the second connector 4；Bolthole, anchor can also be set in the non-projecting portion of the first girder steel
Anchor net is fixed on rock layer surface by the non-projecting portion that bar passes through the first girder steel 1, and the protruding portion on the first girder steel 1 can be to rock at this time
Layer surface applies bigger pretightning force.
The pretightning force anchor net provided in the present embodiment when in use, has the side of protruding portion towards rock layer surface, by anchor pole,
Pallet and nut are mounted on the non-protruding position of pretightning force anchor net, the protrusion of position and pretightning force anchor net that anchor net is contacted with pallet
Portion can squeeze rock layer surface, several times more than original anchor net of loading end be formed after the installation of anchor net, to improve anchor net
The effect of supporting.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (8)
1. a kind of pretightning force anchor net characterized by comprising
First girder steel, first girder steel is provided at least one protruding portion, and the first girder steel described in more is arranged in parallel；
First connector, first connector are connect at least two first girder steels；And height is equal multiple described prominent
Portion is prominent along the side of the anchor net out.
2. pretightning force anchor net according to claim 1, which is characterized in that further include:
Second girder steel, second girder steel are connect with adjacent first girder steel, and more second girder steels are arranged in parallel.
3. pretightning force anchor net according to claim 1, which is characterized in that further include:
Second connector, second connector are connect with first connector and/or first connector, and more
Second connector is arranged in parallel.
4. pretightning force anchor net according to claim 1, it is characterised in that:
First girder steel includes at least one of bar steel plate and reinforcing bar ladder beam.
5. pretightning force anchor net according to claim 1, it is characterised in that:
The protruding portion includes the bending part of the first girder steel, and the shape of the bending part includes smoothed curve type, zigzag and square
At least one of shape.
6. pretightning force anchor net according to claim 1, it is characterised in that:
The protruding portion includes the additional protrusions object being fixedly connected on first girder steel, and the additional protrusions object includes convex
At least one of block, the body of rod, plate body.
7. pretightning force anchor net according to claim 1 characterized by comprising
First connector includes at least one of wirerope, reinforcing bar, steel strand wires, steel pipe.
8. pretightning force anchor net according to claim 1 characterized by comprising
The non-projecting portion of first girder steel is provided at least one bolthole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920003792.6U CN209586402U (en) | 2019-01-02 | 2019-01-02 | A kind of pretightning force anchor net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920003792.6U CN209586402U (en) | 2019-01-02 | 2019-01-02 | A kind of pretightning force anchor net |
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| Publication Number | Publication Date |
|---|---|
| CN209586402U true CN209586402U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920003792.6U Expired - Fee Related CN209586402U (en) | 2019-01-02 | 2019-01-02 | A kind of pretightning force anchor net |
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| CN (1) | CN209586402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494305A (en) * | 2020-04-06 | 2021-10-12 | 永城煤电控股集团有限公司 | Construction method of shotcrete anchor net for roadway surrounding rock support |
-
2019
- 2019-01-02 CN CN201920003792.6U patent/CN209586402U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494305A (en) * | 2020-04-06 | 2021-10-12 | 永城煤电控股集团有限公司 | Construction method of shotcrete anchor net for roadway surrounding rock support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 Termination date: 20210102 |