CN211777490U - Soft rock tunnel steel bow member supporting construction - Google Patents
Soft rock tunnel steel bow member supporting construction Download PDFInfo
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- CN211777490U CN211777490U CN202020173255.9U CN202020173255U CN211777490U CN 211777490 U CN211777490 U CN 211777490U CN 202020173255 U CN202020173255 U CN 202020173255U CN 211777490 U CN211777490 U CN 211777490U
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- anchor rod
- locking
- steel arch
- soft rock
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Abstract
The application discloses soft rock tunnel steel bow member supporting construction, including the steel bow member, can dismantle connect in coupling assembling on the steel bow member can dismantle connect in coupling assembling on and be used for with coupling assembling cooperates with the locking support the lock foot stock group of steel bow member. This application soft rock tunnel steel bow member supporting construction passes through coupling assembling and dismantlement connected mode are in order to realize lock foot stock group pull-down connect in on the steel bow member, can avoid the welding then and welding fracture appears easily, thereby can improve lock foot stock group is right the supporting effect of steel bow member, and then can improve the practicality and the suitability of this application greatly.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the technical field of tunnel equipment, in particular to a soft rock tunnel steel arch frame supporting structure.
[ background of the invention ]
During the construction tunnel, when crossing weak stratum, then need utilize the supporting stock of steel bow member to come the auxiliary construction, the stock has the settlement that can effectively control the steel bow member, support the characteristics of structural integrity improved, so in the middle of the general application weak country rock tunnel construction, but, in the work progress at present, current lock foot stock and steel bow member direct weld are as an organic whole, then when bearing certain country rock pressure, because the welding strength of welding position is far less than the bearing capacity limit of steel bow member and lock foot stock, lead to the too early supporting effect that loses of lock foot stock, for this reason, technical personnel in the art need to develop a soft country rock tunnel steel bow member supporting construction who can dismantle the connection urgently.
[ Utility model ] content
The above-mentioned prior art problem that this application will be solved to be directed against provides a soft rock tunnel steel bow member supporting construction.
In order to solve the technical problem, the method is realized by the following technical scheme:
soft rock tunnel steel bow member supporting construction includes:
a steel arch frame;
the connecting assembly is detachably connected to the steel arch frame;
the locking anchor rod group is detachably connected to the connecting assembly and is used for being matched with the connecting assembly to support the steel arch frame in a locking mode.
The soft rock tunnel steel arch support structure comprises a left connecting component connected to a left side supporting leg of the steel arch and a right connecting component connected to a right side bracket of the steel arch;
lock foot stock group including connect in the left front lock foot stock group of left side coupling assembling front side, connect in the left back lock foot stock group of left side coupling assembling rear side, connect in the right front lock foot stock group of right side coupling assembling front side, and connect in the right back lock foot stock group of right side coupling assembling rear side.
As above soft rock tunnel steel bow member supporting construction, left side coupling assembling includes:
the left adaptive connecting piece is provided with a left adaptive groove which can be adaptively connected with the left supporting leg of the steel arch frame;
the left locking connecting piece is sequentially connected with the left adaptive connecting piece and the left leg of the steel arch frame and used for locking the left adaptive connecting piece on the left leg of the steel arch frame;
the left front connecting plate is connected to the left front side of the left adaptive connecting piece and is connected with the left front foot locking anchor rod group;
and the left rear connecting plate is connected to the left rear side of the left adaptive connecting piece and connected with the left rear locking anchor rod set.
In the soft rock tunnel steel arch frame supporting structure, the front side of the left adapting connecting piece is provided with a left front through hole which is through from left to right, and the rear side of the left adapting connecting piece is provided with a left rear through hole which is through from left to right;
the left front connecting plate is provided with a left front long adjusting hole which is communicated left and right;
the left rear connecting plate is provided with a left rear long adjusting hole which is communicated left and right;
the left connecting assembly further comprises:
the left front bolt is sequentially sleeved on the left front through hole and the left front long adjusting hole;
the left front nut is connected to the left front bolt in a threaded mode and is positioned on the left side of the left front connecting plate;
the left rear bolt is sequentially sleeved on the left rear through hole and the left rear long adjusting hole;
and the left rear nut is in threaded connection with the left rear bolt and is positioned on the left side of the left rear connecting plate.
According to the soft rock tunnel steel arch support structure, the left locking connecting piece is the connecting bolt, and the connecting mode of the left side supporting leg of the steel arch is in threaded connection.
According to the soft rock tunnel steel arch support structure, the left connecting assembly and the right connecting assembly are arranged in a bilateral symmetry mode.
As above soft rock tunnel steel bow member supporting construction, a left side preceding lock foot stock group includes:
the left end of the left front anchor rod is connected to the left front connecting plate, and the right end of the left front anchor rod extends out towards the left side;
the left front locking nut is in threaded connection with the left end of the left front anchor rod, is positioned on the right side of the left front connecting plate and is used for locking the left front anchor rod;
the left front grout stop plug is sleeved on the left front anchor rod and is positioned on the left side of the left front connecting plate;
the left front base plate is sleeved on the left front anchor rod, is positioned on the right side of the left front grout stop plug and is used for plugging the left front grout stop plug;
and the left front two locking nuts are in threaded connection with the left front anchor rod, are positioned between the left front connecting plate and the left front backing plate and are used for locking the left front backing plate.
As above soft rock tunnel steel bow member supporting construction, offer the slip casting through groove that is used for the slip casting on the left front stock along its transverse direction to and offer at its left end with the grout outlet that the slip casting through groove is linked together so that be used for flowing out the thick liquid.
As above soft rock tunnel steel bow member supporting construction, left side front lock foot stock group with left side back lock foot stock group longitudinal symmetry sets up, left side front lock foot stock group with right front lock foot stock group bilateral symmetry sets up, right front lock foot stock group with right back lock foot stock group longitudinal symmetry sets up.
Compared with the prior art, the application has the following advantages:
this application soft rock tunnel steel bow member supporting construction passes through coupling assembling and dismantlement connected mode are in order to realize lock foot stock group pull-down connect in on the steel bow member, can avoid the welding then and welding fracture appears easily, thereby can improve lock foot stock group is right the supporting effect of steel bow member, and then can improve the practicality and the suitability of this application greatly.
[ description of the drawings ]
Fig. 1 is a perspective view of the soft rock tunnel steel arch support structure of the present application.
Fig. 2 is a partial perspective view of the soft rock tunnel steel arch support structure of the present application.
Fig. 3 is an exploded perspective view of the left connecting assembly and the left front foot-locking anchor rod assembly and the left rear foot-locking anchor rod assembly in the soft rock tunnel steel arch support structure of the present application.
Fig. 4 is a perspective view of the left adapting connector in the soft rock tunnel steel arch support structure of the present application.
Fig. 5 is a perspective view of the front left anchor rod in the steel arch support structure for soft rock tunnel of the present application.
Fig. 6 is a sectional view of the front left anchor rod in the steel arch support structure for soft rock tunnel of the present application.
[ detailed description ] embodiments
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
As shown in fig. 1-6, the soft rock tunnel steel arch support structure comprises a steel arch 1, a connecting assembly 2 and a locking anchor rod assembly 3. The connecting assembly 2 is detachably connected to the steel arch frame 1. The lock foot anchor rod group 3 can be detachably connected to the connecting assembly 2 and is used for being matched with the connecting assembly 2 to support the steel arch frame 1 in a locking mode.
This application soft rock tunnel steel bow member supporting construction passes through coupling assembling 2 and dismantlement connected mode are in order to realize lock foot stock group 3 dismantle connect in on the steel bow member 1, can avoid the welding then and welding fracture appears easily, thereby can improve lock foot stock group 3 is right the supporting effect of steel bow member 1, and then can improve the practicality and the suitability of this application greatly.
Further, the joining assembly 2 includes a left joining assembly 21 connected to the left leg of the steel arch 1, and a right joining assembly 22 connected to the right leg of the steel arch 1. Lock foot anchor group 3 including connect in the left front lock foot anchor group 31 of left side coupling assembling 21 front side, connect in the left back lock foot anchor group 32 of left side coupling assembling 21 rear side, connect in the right front lock foot anchor group 33 of right side coupling assembling 22 front side, and connect in the right back lock foot anchor group 34 of right side coupling assembling 22 rear side.
Further, the left connecting assembly 21 includes a left adapting connector 211, a left locking connector 212, a left front connecting plate 213, and a left rear connecting plate 214.
And the left adapting connecting piece 211 is provided with a left adapting groove 2110 which can be adaptively connected with a left leg of the steel arch frame 1. Left side locking connection piece 212 in proper order with left side adaptation connecting piece 211 with steel bow member 1 left side stabilizer blade is connected, be used for with left side adaptation connecting piece 211 lock in on the steel bow member 1 left side stabilizer blade. The left front connecting plate 213 is connected to the left front side of the left adapting connector 211, and is connected to the left front lockstep anchor group 31. The left rear connecting plate 214 is connected to the left rear side of the left adapting connecting piece 211 and is connected with the left rear lockpin anchor rod group 32. Its advantage is simple structure.
Further, a left front through hole 2111 penetrating left and right is opened on the front side of the left adaptor 211, and a left rear through hole 2112 penetrating left and right is opened on the rear side thereof. The left front connecting plate 213 is provided with a left front long adjusting hole 2131 which is through from left to right. The left rear connecting plate 214 is provided with a left rear long adjusting hole 2141 which is through from left to right. Its advantage lies in realizing adjustable connection, and then can further satisfy the in-service use demand.
The left connecting assembly 21 further includes a left front bolt 215, a left front nut 216, a left rear bolt 217, and a left rear nut 218. The left front bolt 215 is sequentially sleeved on the left front through hole 2111 and the left front elongated adjusting hole 2131. The left front nut 216 is screwed to the left front bolt 215 and is located on the left side of the left front connecting plate 213. The left rear bolt 217 is sequentially sleeved on the left rear through hole 2112 and the left rear long adjusting hole 2141. The left rear nut 218 is screwed to the left rear bolt 217 and is located on the left side of the left rear connecting plate 214.
Furthermore, the left locking connector 212 is a connecting bolt, and the connecting manner with the left leg of the steel arch frame 1 is a threaded connection. Its aim at satisfies the dismantlement connection demand.
Furthermore, the left connecting component 21 and the right connecting component 22 are arranged in a left-right symmetrical manner. Its advantage lies in realizing the symmetry setting, then can improve even atress.
Furthermore, the left front locking anchor rod group 31 comprises a left front anchor rod 311, a left front locking nut 312, a left front grout stop 313 and a left front backing plate 314.
The left front anchor 311 is connected to the left front connecting plate 213 at its left end, and extends to the left side at its right end. The left front locking nut 312 is screwed to the left end of the left front anchor rod 311, is located on the right side of the left front connecting plate 213, and is used for locking the left front anchor rod 311. The left front grout stop 313 is sleeved on the left front anchor 311 and is positioned on the left side of the left front connecting plate 213. The left front backing plate 314 is sleeved on the left front anchor rod 311, is positioned on the right side of the left front grout stop plug 313, and is used for plugging the left front grout stop plug 313. The left front two locking nuts 315 are screwed to the left front anchor rod 311, and are located between the left front connecting plate 213 and the left front cushion plate 314, for locking the left front cushion plate 314. A grouting through groove 3111 for grouting is formed in the left front anchor rod 311 in the transverse direction thereof, and a grout outlet 3112 communicated with the grouting through groove 3111 for flowing grout is formed in the left end thereof. The purpose is to meet the actual use requirement.
Furthermore, the left front locking anchor group 31 and the left rear locking anchor group 32 are symmetrically arranged front and back, the left front locking anchor group 31 and the right front locking anchor group 33 are symmetrically arranged left and right, and the right front locking anchor group 33 and the right rear locking anchor group 34 are symmetrically arranged front and back. Its advantage is uniform stress.
As described above, the embodiments of the present application have been described in detail, but the present application is not limited to the above embodiments. Even if various changes are made in the present application, the protection scope of the present application is still included.
Claims (9)
1. Soft rock tunnel steel bow member supporting construction, including steel bow member (1), its characterized in that, soft rock tunnel steel bow member supporting construction still includes:
the connecting component (2) is detachably connected to the steel arch frame (1);
the locking anchor rod group (3) is detachably connected to the connecting assembly (2) and is used for being matched with the connecting assembly (2) to support the steel arch frame (1) in a locking mode.
2. The soft rock tunnel steel arch support structure of claim 1, wherein: the connecting assembly (2) comprises a left connecting assembly (21) connected to a left side foot of the steel arch (1) and a right connecting assembly (22) connected to a right side bracket of the steel arch (1);
lock foot stock group (3) including connect in lock foot stock group (31) before the left side of left side coupling assembling (21) front side, connect in left back lock foot stock group (32) of left side coupling assembling (21) rear side, connect in right front lock foot stock group (33) of right side coupling assembling (22) front side, and connect in right back lock foot stock group (34) of right side coupling assembling (22) rear side.
3. The soft rock tunnel steel arch support structure of claim 2, wherein: the left connecting assembly (21) includes:
the left adapting connecting piece (211) is provided with a left adapting groove (2110) which can be adaptively connected with a left leg of the steel arch frame (1);
the left locking connecting piece (212) is sequentially connected with the left adapting connecting piece (211) and the left leg of the steel arch (1) and is used for locking the left adapting connecting piece (211) on the left leg of the steel arch (1);
a left front connecting plate (213) which is connected to the left front side of the left adapting connecting piece (211) and is connected with the left front lockpin anchor rod group (31);
a left rear connecting plate (214) connected to the left rear side of the left adapting connector (211) and connected with the left rear lockpin anchor group (32).
4. The soft rock tunnel steel arch support structure of claim 3, wherein: a left front through hole (2111) which is through from left to right is formed in the front side of the left adapting connecting piece (211), and a left rear through hole (2112) which is through from left to right is formed in the rear side of the left adapting connecting piece;
a left front long adjusting hole (2131) which is communicated with the left front connecting plate at the left and the right is formed in the left front connecting plate (213);
a left rear long adjusting hole (2141) which is communicated with the left rear connecting plate at the left and right is formed in the left rear connecting plate (214);
the left connecting assembly (21) further comprises:
a left front bolt (215) that is fitted in the left front through hole (2111) and the left front elongated adjustment hole (2131) in this order;
a left front nut (216) screwed to the left front bolt (215) and located on the left side of the left front connecting plate (213);
a left rear bolt (217) sequentially sleeved on the left rear through hole (2112) and the left rear long adjusting hole (2141);
and a left rear nut (218) which is screwed to the left rear bolt (217) and is positioned on the left side of the left rear connecting plate (214).
5. The soft rock tunnel steel arch support structure of claim 4, wherein: the left locking connecting piece (212) is a connecting bolt, and the connecting mode of the left locking connecting piece and the left side supporting leg of the steel arch frame (1) is threaded connection.
6. The soft rock tunnel steel arch support structure of claim 5, wherein: the left connecting component (21) and the right connecting component (22) are arranged in a bilateral symmetry mode.
7. The soft rock tunnel steel arch support structure of claim 3, wherein: the left front lockpin anchor group (31) comprises:
a left front anchor rod (311) having a left end connected to the left front connecting plate (213) and a right end extending in a left direction;
a left front locking nut (312) which is screwed on the left end of the left front anchor rod (311), is positioned on the right side of the left front connecting plate (213) and is used for locking the left front anchor rod (311);
the left front grout stop plug (313) is sleeved on the left front anchor rod (311) and is positioned on the left side of the left front connecting plate (213);
the left front cushion plate (314) is sleeved on the left front anchor rod (311), is positioned on the right side of the left front grout stop plug (313), and is used for plugging the left front grout stop plug (313);
and the left front two locking nuts (315) are in threaded connection with the left front anchor rod (311), are positioned between the left front connecting plate (213) and the left front cushion plate (314), and are used for locking the left front cushion plate (314).
8. The soft rock tunnel steel arch support structure of claim 7, wherein: a grouting through groove (3111) for grouting is formed in the left front anchor rod (311) along the transverse direction of the left front anchor rod, and a grout outlet (3112) communicated with the grouting through groove (3111) and used for flowing out grout is formed in the left end of the left front anchor rod.
9. The soft rock tunnel steel arch support structure of claim 8, wherein: the left front foot-locking anchor rod group (31) and the left rear foot-locking anchor rod group (32) are symmetrically arranged front and back, the left front foot-locking anchor rod group (31) and the right front foot-locking anchor rod group (33) are symmetrically arranged left and right, and the right front foot-locking anchor rod group (33) and the right rear foot-locking anchor rod group (34) are symmetrically arranged front and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173255.9U CN211777490U (en) | 2020-02-16 | 2020-02-16 | Soft rock tunnel steel bow member supporting construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173255.9U CN211777490U (en) | 2020-02-16 | 2020-02-16 | Soft rock tunnel steel bow member supporting construction |
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| Publication Number | Publication Date |
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| CN211777490U true CN211777490U (en) | 2020-10-27 |
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| CN202020173255.9U Active CN211777490U (en) | 2020-02-16 | 2020-02-16 | Soft rock tunnel steel bow member supporting construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647985A (en) * | 2020-12-28 | 2021-04-13 | 中国科学院武汉岩土力学研究所 | Combined supporting device of lock pin anchor pipe/anchor rod and steel arch frame and construction method |
| CN114320377A (en) * | 2021-12-06 | 2022-04-12 | 中铁十七局集团第三工程有限公司 | Steel frame anchoring type soft rock temporary support system |
-
2020
- 2020-02-16 CN CN202020173255.9U patent/CN211777490U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647985A (en) * | 2020-12-28 | 2021-04-13 | 中国科学院武汉岩土力学研究所 | Combined supporting device of lock pin anchor pipe/anchor rod and steel arch frame and construction method |
| CN114320377A (en) * | 2021-12-06 | 2022-04-12 | 中铁十七局集团第三工程有限公司 | Steel frame anchoring type soft rock temporary support system |
| CN114320377B (en) * | 2021-12-06 | 2024-07-09 | 中铁十七局集团第三工程有限公司 | Steel frame anchoring type temporary support system for soft rock |
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