CN210239712U - Roadway support bracket - Google Patents
Roadway support bracket Download PDFInfo
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- CN210239712U CN210239712U CN201920884828.6U CN201920884828U CN210239712U CN 210239712 U CN210239712 U CN 210239712U CN 201920884828 U CN201920884828 U CN 201920884828U CN 210239712 U CN210239712 U CN 210239712U
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- roadway
- rod
- clamping plate
- support
- reinforcing
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 89
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a roadway support bracket, wherein an anchor net is laid on the inner wall of the roadway, an anchor rod supporting layer is arranged to support the anchor net, and the roadway support bracket comprises a plurality of supporting rods, a plurality of reinforcing rods and a filling bag; the supporting rods are detachably connected in sequence and are arranged on the inner side of the anchor rod supporting layer in a tight attaching mode on the section of the roadway; the reinforcing rods are supported on the inner sides of the supporting rods and protrude towards the inner side of the roadway, a plurality of holes are formed between the reinforcing rods and the supporting rods, and the filling bags are filled in the holes. The supporting rods are arranged close to the inner wall of the roadway, and the reinforcing rods protruding towards the inner side of the roadway and the filling bags between the reinforcing rods and the supporting rods are arranged, so that the stability of the support is improved, and the capability of the support for resisting the lateral stress of the roadway is enhanced; set up a plurality of bracing pieces and anchor strut, can dismantle each other, the replacement of the bracing piece of being convenient for damage or anchor strut increases the security of using.
Description
Technical Field
The utility model relates to a colliery is supporting equipment field down especially relates to a tunnel supporting bracket.
Background
Coal mines in China are mainly underground mining, a large number of roadways need to be excavated underground, and roadway support is adopted to keep the roadways smooth and surrounding rocks stable, so that the method has important significance for coal mine construction and production. The existing U-shaped roadway support frame is most widely applied, and the support frame can be frequently damaged in the later stage of a roadway due to large underground stress.
Through the observation of the deformation and the damage of the roadway support bracket, the pressure of the roadway support bracket is mainly shown as that a column leg is bent towards the inner side of the roadway, the width of the roadway support bracket is narrowed, a vault is raised, a floor is bulged, the section of the roadway is reduced, and through analysis, the main stress borne by the bracket is the lateral stress at two sides of the roadway and then is the vertical stress of the roadway; and the bearing capacity of the U-shaped roadway support frame to the vertical stress of the roadway is greater than the lateral stress, so that the U-shaped roadway support frame is laterally damaged in the later period of the roadway.
Therefore, it is necessary to provide a safe and stable roadway support bracket which can effectively resist the lateral stress of the roadway.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a can effectively resist tunnel lateral stress, safety and stability's tunnel support.
The technical scheme of the utility model provides a tunnel support, anchor net has been laid to the inner wall in tunnel to set up the stock supporting layer and support the anchor net, tunnel support includes a plurality of bracing pieces, a plurality of anchor strut and packs the bag;
the supporting rods are sequentially detachably connected, and the cross section of the roadway is arranged close to the inner side of the anchor rod supporting layer;
the reinforcing rods are supported on the inner sides of the supporting rods and protrude towards the inner side of the roadway, a plurality of holes are formed between the reinforcing rods and the supporting rods, and the filling bags are filled in the holes.
Further, the support rods comprise a first support rod, a second support rod and a third support rod;
the second supporting rod is supported at the top of the roadway; the first supporting rod and the third supporting rod are respectively detachably connected to two ends of the second supporting rod, and the first supporting rod and the third supporting rod are symmetrically arranged on two side walls of the roadway.
Further, the reinforcing rods comprise a first reinforcing rod, a second reinforcing rod and a third reinforcing rod;
the two ends of the first supporting rod, the second supporting rod and the third supporting rod are respectively connected with the first reinforcing rod, the second reinforcing rod and the third reinforcing rod.
Furthermore, second inserting plates are arranged at two ends of the second supporting rod and used for connecting the first supporting rod and the third supporting rod.
Furthermore, a first clamping plate and a first inserting plate are respectively arranged at two ends of the first supporting rod and the third supporting rod;
the first clamping plate is used for accommodating the second inserting plate;
the first insert plate is used for connecting the first reinforcing rods and the third reinforcing rods.
Further, the second inserting plate and the first clamping plate both extend towards the inner side of the roadway.
Furthermore, a second clamping plate and a third clamping plate are respectively arranged at two ends of the first reinforcing rod and the third reinforcing rod;
the second clamping plate is used for accommodating the first clamping plate, and the third clamping plate is used for accommodating the first inserting plate.
Furthermore, the two ends of the second reinforcing rod are respectively provided with a fourth clamping plate, and the fourth clamping plates are used for accommodating the second clamping plates.
Further, the second inserting plate, the first clamping plate, the second clamping plate and the fourth clamping plate are fixed through first bolts;
and the first inserting plate and the third clamping plate are fixed through a second bolt.
Further, the filling bag is a rubber air bag filled with oxygen, and an air inlet and an air outlet are formed in the rubber air bag.
After adopting above-mentioned technical scheme, have following beneficial effect: the support rods are arranged close to the inner wall of the roadway, and the reinforcing rods protruding towards the inner side of the roadway are arranged, so that the stability of the support is improved, and the capability of the support for resisting the lateral stress of the roadway is enhanced;
a filling bag is filled between the supporting rod and the reinforcing rod for supporting, so that a buffer effect is achieved for the supporting rod and the reinforcing rod;
set up a plurality of bracing pieces and anchor strut, can dismantle each other, the replacement of the bracing piece of being convenient for damage or anchor strut increases the security of using.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is an overall schematic view of a roadway support bracket according to an embodiment of the present invention;
fig. 2 is a schematic view of a second support rod according to an embodiment of the present invention;
fig. 3 is a schematic view of a first support rod according to an embodiment of the present invention;
FIG. 4 is a schematic view of a second reinforcing bar according to an embodiment of the present invention;
fig. 5 is a schematic view of a first reinforcing bar according to an embodiment of the present invention.
Reference symbol comparison table: anchor net 01, anchor rod supporting layer 02 and filling bag 05;
the support rod 03, the first support rod 31, the first step part 311, the first clamping plate 312, the first inserting plate 313, the second support rod 32, the second inserting plate 322, the second step part 321 and the third support rod 33;
the reinforcing rods 04, the first reinforcing rods 41, the second clamping plate 411, the third clamping plate 412, the second reinforcing rods 42, the fourth clamping plate 421 and the third reinforcing rods 43.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1, before the tunnel supporting bracket is arranged, firstly, an anchor net 01 is laid on the inner wall of the tunnel, and an anchor rod supporting layer 02 is arranged to support the anchor net 01, the anchor net 01 is arranged on the surface of the tunnel, the anchor rod supporting layer 02 is built up by using anchor rods on the anchor net 01, the anchor rods are vertically inserted into the inner wall of the tunnel, the anchor net 01 is pressed and fixed on the inner wall of the tunnel through a tray on the anchor rods, and the anchor rods are uniformly fixed on the inner wall of the tunnel to form the anchor rod supporting.
The roadway support bracket in the embodiment comprises a plurality of support rods 03, a plurality of reinforcing rods 04 and a filling bag 05;
the support rods 03 are detachably connected in sequence and are arranged on the inner side of the anchor rod support layer 02 in a tight fit manner on the section of the roadway;
the reinforcing rods 04 are supported on the inner side of the supporting rod 03, the reinforcing rods 04 protrude towards the inner side of the roadway, a plurality of holes are formed between the reinforcing rods 04 and the supporting rod 03, and the filling bags 05 are filled in the holes.
Specifically, the bracing piece 03 all sets up to the arc pole, and a plurality of bracing pieces 03 can dismantle the connection in proper order, and stock supporting layer 02 setting is hugged closely in the outside of bracing piece 03 on the section in tunnel, hugs closely the tunnel inner wall and has set gradually anchor net 01, stock supporting layer 02 and bracing piece 03 towards in the tunnel, plays the supporting role to the tunnel inner wall.
A plurality of reinforcing rods 04 are also supported on the inner side of the supporting rod 03, and the reinforcing rods 04 are also arranged to be arc-shaped rods, protrude towards the inner side of the roadway and are arranged opposite to the supporting rod 03; the reinforcing rods 04 are sequentially arranged along the circumferential direction of the roadway, two ends of each reinforcing rod 04 are connected to the supporting rod 03, a plurality of spindle-shaped holes are formed between the supporting rod 03 and the reinforcing rods 04, and filling bags 05 are filled in the holes and supported between the supporting rod 03 and the reinforcing rods 04.
The support rod 03 plays a role in supporting the inner wall of the roadway and mainly resists the vertical stress of the roadway; the reinforcing rods 04 protrude towards the inner side of the roadway and are used for resisting lateral stress of the roadway; the filling bag 05 is filled between the support rod 03 and the reinforcing rod 04, and plays a role in buffering the support rod 03 and the reinforcing rod 04.
In the embodiment, a first support rod 31, a second support rod 32 and a third support rod 33 are sequentially arranged on the inner side of the anchor rod supporting layer 02 along the circumferential direction of the roadway;
the second support rod 32 is supported at the top of the roadway; the first support rod 31 and the third support rod 33 are detachably connected to two ends of the second support rod 32, and the first support rod 31 and the third support rod 33 are symmetrically arranged on two side walls of the roadway.
Specifically, first bracing piece 31, second bracing piece 32, third bracing piece 33 support in the inboard of stock supporting layer 02 on the section of tunnel, and for guaranteeing that the holding power of tunnel both sides is even, second bracing piece 32 sets up in the tunnel top, and bilateral symmetry is gone up on the section of tunnel to first bracing piece 31 and third bracing piece 33.
Furthermore, the reinforcing rods 04 are used for resisting lateral stress of the roadway, and in order to ensure that lateral resistance of the roadway support bracket is balanced, the reinforcing rods 04 are also symmetrical left and right on the section of the roadway. In the present embodiment, the reinforcing bars 04 include first, second, and third reinforcing bars 41, 42, and 43 connected to both ends of the first, second, and third support bars 31, 32, and 33, respectively.
Further, as shown in fig. 2 and 3, a second inserting plate 322 is disposed at each end of the second supporting rod 32, and is used for connecting the first supporting rod 31 and the third supporting rod 33;
a first clamping plate 312 and a first inserting plate 313 are respectively arranged at two ends of the first supporting rod 31 and the third supporting rod 33;
the first clamping plate 312 is used for accommodating the second inserting plate 322;
the first insert plate 313 serves to connect the first reinforcing rods 41 and the third reinforcing rods 43.
Specifically, since the first support bar 31 and the third support bar 33 are symmetrical to each other, and the connection manner between the second support bar 32 and the reinforcing bar 04 is the same, for convenience of description, only the connection relationship between the first support bar 31 and the second support bar 32 and the reinforcing bar 04 will be described below.
The upper end part of the first supporting rod 31 is provided with a first clamping plate 312, the first clamping plate 312 is a U-shaped notch extending towards the inner side of the roadway, and the opening of the U-shaped notch is arranged towards the inner wall of the roadway; the second insert plate 322 also extends toward the inner side of the tunnel, and the second insert plate 322 is fitted to the first clip plate 312. During installation, the first support rod 31 is pushed in the direction of the roadway extension, and the second insert plate 322 is inserted into the U-shaped notch of the first clamping plate 312, see fig. 1 in particular.
In the present embodiment, as shown in fig. 2, the second insert plate 322 is horizontally disposed, and forms a second step portion 321 with the second support bar 32; correspondingly, the first clamping plate 312 is engaged with the second insertion plate 322, and referring to fig. 3 again, the first clamping plate 312 is also horizontally disposed, and a first step 311 is also formed between the U-shaped notch of the first clamping plate 312 and the first support rod 31, and the two steps increase the contact area between the second insertion plate 322 and the first clamping plate 312, so that the two insertion plates are connected more tightly.
Further, as shown in fig. 5, both ends of the first and third reinforcing rods 41 and 43 are provided with second and third clamping plates 411 and 412, respectively;
the second clamping plate 411 is used for accommodating the first clamping plate 312, and the third clamping plate 412 is used for accommodating the first inserting plate 313.
Specifically, the first and third reinforcing bars 41 and 43 have symmetrical structures, and the third reinforcing bar 41 is connected to the third and second support bars 33 and 32 in the same manner as the first reinforcing bar 41 is connected to the first and second support bars 31 and 32, and only the connection between the first reinforcing bar 41 and the first and second support bars 31 and 32 will be described in detail below.
A second clamping plate 411 extends from the upper end part of the first reinforcing rod 41, the second clamping plate 411 is provided with a U-shaped notch, the notch faces the inner wall of the roadway, the notch is used for being accommodated in the first clamping plate 312 at the upper end part of the first supporting rod 31, and the outer sides of the second clamping plate 411 and the first clamping plate 312 are mutually embedded; a third clamping plate 412 extends from the lower end part of the first reinforcing rod 41, the third clamping plate 412 is also provided with a U-shaped notch, a first inserting plate 313 at the lower end part of the first supporting rod 31 is accommodated in the notch, and the first inserting plate 313 and the third clamping plate 412 are mutually embedded; when the first reinforcing bar 41 is attached, it is pushed in the extending direction of the tunnel, and the second clip 411 is engaged with the first clip 312, the third clip 412, and the first insert plate 313.
Still further, both ends of the second reinforcing rod 42 are respectively provided with a fourth clamping plate 421 for accommodating the second clamping plate 411.
Specifically, the fourth clamping plates 421 at the two ends of the second reinforcing rod 42 are respectively connected to the first reinforcing rod 41 and the third reinforcing rod 43, the connection mode at the two ends is the same, and only the connection mode between the left fourth clamping plate 421 and the first reinforcing rod 41 will be described below: the fourth clamping plate 421 is a U-shaped notch facing the inner wall of the tunnel, the notch is used for accommodating the second clamping plate 411 at the upper end of the first reinforcing rod 41, and the socket and the second clamping plate 411 are mutually embedded.
In connection with the aforementioned connection between the support rod 03 and the reinforcing rod 04, referring to fig. 1, the first support rod 31 is provided with two connection regions at one side thereof, which are respectively disposed at the upper end portion and the lower end portion of the first support rod 31.
Wherein the connection relationship of the upper end part is as follows: the second insert plate 322 at the left end of the second support bar 31 is inserted inside the first clamping plate 312 at the upper end of the first support bar 31; the first clamping plate 312 is inserted into the inner side of the second clamping plate 411 at the upper end of the first reinforcing rod 41, that is, the outer side surface of the first clamping plate 312 is tightly attached to the inner side surface of the second clamping plate 411; the second clamping plate 411 is inserted into the inner side of the fourth clamping plate 421 at the left end of the second reinforcing rod 42, that is, the outer side surface of the second clamping plate 411 is tightly attached to the inner side surface of the fourth clamping plate 421.
Then, the first clamping plate 312, the second clamping plate 411 and the fourth clamping plate 421 are sequentially overlapped and sleeved outwards from the second insertion plate 322, and for further reinforcement, the second insertion plate 322, the first clamping plate 312, the second clamping plate 411 and the fourth clamping plate 421 are fixed through first bolts (not shown in the figure).
The connection relationship of the lower end portion connection region is simple, the first insert plate 313 of the lower end portion of the first support rod 31 is inserted into the third clamp plate 412 of the lower end portion of the first reinforcing rod 41, and the first insert plate 313 and the third clamp plate 412 are fixed by a second bolt (not shown) for reinforcement connection.
The connection relationship of the third support bar 33 is the same as that of the first support bar 31, and is not described herein.
Further, as shown in fig. 1, three holes are formed between the support rod 03 and the reinforcing rod 04, and each hole is filled with a filling bag 05, in this embodiment, the filling bag 05 is a rubber air bag filled with oxygen, an air inlet 51 and an air outlet 52 are arranged on the rubber air bag, and on-off valves are arranged on the air inlet 51 and the air outlet 52 for respectively inflating and deflating; the filling bag 05 not only can play a role in buffering the supporting rod 03 and the reinforcing rod 04, but also can provide oxygen in case of emergency.
When the roadway support bracket is installed, firstly, a support rod 03 is built, a first support rod 31, a second support rod 32 and a third support rod 33 are built on an anchor rod support layer 02 on the inner wall of a roadway, then, a reinforcing rod 04 is installed, a first reinforcing rod 41 and a third reinforcing rod 43 are installed, then, a second reinforcing rod 42 is installed, and the support rod 03 and the reinforcing rod 04 are fixed by a first bolt and a second bolt; after the supporting rod 03 and the reinforcing rod 04 are built, the uninflated filling bag 05 is placed in the hole between the supporting rod 03 and the reinforcing rod 04, when the air outlet 52 is closed, the air inlet 51 is opened to fill oxygen into the filling bag 05, and after the air is filled, the air inlet 51 is closed, so that the building of the support bracket is completed.
The roadway support bracket in the embodiment is supported in the axial direction of the inner wall of the roadway, and the roadway support bracket is arranged at a certain distance along the extending direction of the roadway and is used as the support of the roadway. The construction method is simple, and when partial structure of the support is damaged, the support can be replaced quickly, so that the safety of the roadway is guaranteed.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A roadway support bracket is characterized in that the roadway support bracket comprises a plurality of support rods, a plurality of reinforcing rods and a filling bag;
the supporting rods are sequentially detachably connected, and the cross section of the roadway is arranged close to the inner side of the anchor rod supporting layer;
the reinforcing rods are supported on the inner sides of the supporting rods and protrude towards the inner side of the roadway, a plurality of holes are formed between the reinforcing rods and the supporting rods, and the filling bags are filled in the holes.
2. The roadway support apparatus of claim 1, wherein the support rods comprise a first support rod, a second support rod and a third support rod;
the second supporting rod is supported at the top of the roadway; the first supporting rod and the third supporting rod are respectively detachably connected to two ends of the second supporting rod, and the first supporting rod and the third supporting rod are symmetrically arranged on two side walls of the roadway.
3. A roadway support apparatus as claimed in claim 2, wherein the reinforcing rods comprise first, second and third reinforcing rods;
the two ends of the first supporting rod, the second supporting rod and the third supporting rod are respectively connected with the first reinforcing rod, the second reinforcing rod and the third reinforcing rod.
4. A roadway support apparatus as claimed in claim 3, wherein second spiles are provided at both ends of the second support bar for connecting the first support bar and the third support bar.
5. The roadway support bracket of claim 4, wherein a first clamping plate and a first inserting plate are respectively arranged at two ends of the first supporting rod and the third supporting rod;
the first clamping plate is used for accommodating the second inserting plate;
the first insert plate is used for connecting the first reinforcing rods and the third reinforcing rods.
6. A roadway support bracket as claimed in claim 5, wherein the second spile and the first spile each extend towards the inside of the roadway.
7. The roadway support bracket of claim 5, wherein the two ends of the first reinforcing rod and the third reinforcing rod are respectively provided with a second clamping plate and a third clamping plate;
the second clamping plate is used for accommodating the first clamping plate, and the third clamping plate is used for accommodating the first inserting plate.
8. The roadway support bracket of claim 7, wherein both ends of the second reinforcing rod are respectively provided with a fourth clamping plate for receiving the second clamping plate.
9. The roadway support apparatus of claim 8, wherein the second insert plate, the first clamping plate, the second clamping plate and the fourth clamping plate are fixed by a first bolt;
and the first inserting plate and the third clamping plate are fixed through a second bolt.
10. A roadway support apparatus as claimed in any one of claims 1 to 9, wherein the filling bag is a rubber air bag filled with oxygen, and the rubber air bag is provided with an air inlet and an air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884828.6U CN210239712U (en) | 2019-06-13 | 2019-06-13 | Roadway support bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884828.6U CN210239712U (en) | 2019-06-13 | 2019-06-13 | Roadway support bracket |
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| Publication Number | Publication Date |
|---|---|
| CN210239712U true CN210239712U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920884828.6U Active CN210239712U (en) | 2019-06-13 | 2019-06-13 | Roadway support bracket |
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| CN (1) | CN210239712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878139A (en) * | 2020-08-05 | 2020-11-03 | 山东建筑大学 | Contractible water bag supporting leg and water bag unloading type anti-impact support |
-
2019
- 2019-06-13 CN CN201920884828.6U patent/CN210239712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878139A (en) * | 2020-08-05 | 2020-11-03 | 山东建筑大学 | Contractible water bag supporting leg and water bag unloading type anti-impact support |
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