CN213683976U - Orientation device for drilling hole of tunnel arch frame foot locking anchor rod - Google Patents
Orientation device for drilling hole of tunnel arch frame foot locking anchor rod Download PDFInfo
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- CN213683976U CN213683976U CN202022825591.XU CN202022825591U CN213683976U CN 213683976 U CN213683976 U CN 213683976U CN 202022825591 U CN202022825591 U CN 202022825591U CN 213683976 U CN213683976 U CN 213683976U
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Abstract
The utility model provides a tunnel bow member lock foot stock drilling's orienting device, including two orientation structure, two orientation structure is used for setting up the foot both sides at the bow member relatively, two orientation structure all can dismantle connect in the bow member, orientation structure includes the base, be equipped with first orientation board and second orientation board on the base, first orientation board is equipped with first locating hole, the second orientation board is equipped with the second locating hole, and is same orientation structure first locating hole with the second locating hole is used for wearing to establish the drilling rod and adjusts the angle of drilling rod. It can adjust and control the drilling direction of drilling rod through first locating hole and second locating hole, and then the direction of control lock foot stock, avoids the construction of lock foot stock to have angular deviation, guarantees the construction quality of lock foot stock, and then guarantees the support ability of lock foot stock, avoids tunnel construction danger. Meanwhile, the detachable connection of the arch center is achieved, the arch center can be repeatedly used, and construction is convenient.
Description
Technical Field
The utility model relates to a tunnel bow member lock foot stock construction technical field, especially a tunnel bow member lock foot stock drilling's orienting device.
Background
In the process of tunnel excavation and supporting of expressways, railways, underground diversion tunnels and the like, the requirements on safety, construction quality and appearance in the construction process are high. In the tunnel excavation under the environment with poor surrounding rock quality, a tunnel anchor rod technology is needed to support the excavated tunnel, the foot locking anchor rod technology is widely applied in tunnel construction, the foot locking in the tunnel refers to a process of fixing the foot of an arch frame through a foot locking anchor rod after the tunnel excavation is finished on an upper step and the arch frame support is erected, and the foot of the arch frame needs to be symmetrically fixed on two sides of the foot of the arch frame during the fixing process. The foot-locking anchor rod has the main functions of limiting the rigid displacement of the arch center support as much as possible, stabilizing the arch foot, and playing a role of advanced support for lower excavation, so that the foot-locking anchor rod bears the pressure caused by the deformation of surrounding rock as early as possible, and the stability of the tunnel at the initial stage is ensured. The length of lock foot anchor rod and the angle of driving into all have great influence to supporting construction's support ability. Reasonable length and angle are not only beneficial to limiting the deformation of surrounding rocks, but also beneficial to exerting the bearing capacity of the supporting structure. In the actual work progress, need earlier through drilling rod drilling, in installing the entering hole with the lock foot stock again, because of the influence of factors such as the environmental factor of site operation and constructor self experience, the angle of drilling is difficult to control, and then leads to the angle of driving into of lock foot stock to be difficult to control, and the angle deviation makes the effect of lock foot stock weaken greatly, can lead to tunnel preliminary bracing effect to become invalid when serious, very easily leads to great quality, incident.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the orienting device for the tunnel arch frame locking anchor rod drilling aims at the problems that in the prior art, the driving angle of the locking anchor rod is difficult to control, the angle deviation greatly weakens the effect of the locking anchor rod, the primary tunnel supporting effect can be failed seriously, and great quality and safety accidents are easily caused.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a tunnel bow member lock foot stock drilling's orienting device, includes two directional structure, two directional structure is used for setting up the foot both sides at the bow member relatively, two directional structure all can dismantle connect in the bow member, directional structure includes the base, be equipped with first orientation board and second orientation board on the base, first orientation board is equipped with first locating hole, second orientation board is equipped with the second locating hole, and is same directional structure first locating hole with the second locating hole is used for wearing to establish the drilling rod and adjusts the angle of drilling rod.
The first positioning hole and the second positioning hole of each orientation structure are respectively arranged on the first orientation plate and the second orientation plate, and the first orientation plate and the second orientation plate are connected through the base. The first positioning hole and the second positioning hole form a through channel of the drill rod, so that height drop is formed at two ends of the drill rod and is used for controlling the drilling direction of the drill rod, and if: through setting up the position with first locating hole to the position that is less than the second locating hole, the drilling rod passes second locating hole and first locating hole, through the relative position who adjusts first locating hole and second locating hole, or through adjusting the relative position of drilling rod in first locating hole and second locating hole, the direction of drilling rod has just been adjusted and controlled, because the direction of lock foot stock is mainly confirmed by the direction of drilling, consequently, through the direction of adjustment drilling rod, just can effectively guarantee the direction of lock foot stock, make the construction of lock foot stock more accurate. Each of the directional structures is capable of individually controlling the direction of the foot-locking anchor on the foot side of the arch. Two directional structure is used for setting up the foot both sides at the bow member relatively, makes tunnel bow member lock foot stock drilling's directional device can fix an orientation simultaneously and construct the lock foot stock of the foot both sides of bow member, and two directional structure can dismantle the connection on the bow member, can dismantle two directional structure at any time and get off the lock foot stock construction that is used for another bow member, and it can reuse, and construction convenience, and its cost is lower, and economic benefits is high.
Tunnel bow member lock foot stock drilling's orienting device, it can adjust and control the drilling direction of drilling rod through first locating hole and second locating hole, then controls the direction of lock foot stock through the drilling of having accomplished, avoids the construction of lock foot stock to have angular deviation, guarantees the construction quality of lock foot stock, and then guarantees the support capacity of lock foot stock, avoids tunnel construction danger. And the orientation device for drilling the tunnel arch frame foot-locking anchor rod can be used for the construction of the foot-locking anchor pipe.
Preferably, the second orientation plate is vertically arranged on the base, the second positioning hole is a vertically arranged strip-shaped hole, a support piece is arranged at the position of the second positioning hole on the second orientation plate and used for supporting the drill rod, and the support piece can move and be fixed along the length direction of the second positioning hole.
Through setting up vertical bar hole as the second locating hole, the bar hole has certain length, can make the drilling rod pass the second locating hole at the co-altitude, supports the drilling rod through the support piece that can adjust at bar hole length direction again, makes the angle of drilling rod keep. Through adjusting support piece can the angle of free control drilling rod in bar hole length direction's different positions, and then can be according to the angle of squeezing into of construction conditions rational adjustment lock foot stock, and through the size in design bar hole, the relative position in bar hole and first locating hole, rethread support piece can adjust drilling rod and horizontal angle and be arbitrary acute angle, and its accommodation is wide, and regulating effect is good, and the angle that just adjusts to homoenergetic stable control drilling rod behind arbitrary acute angle, and then guarantees the construction quality of lock foot stock.
Preferably, the support member comprises two clamping plates, two of the clamping plates are transversely clamped on the second orientation plate, and the two clamping plates are fixedly connected through a first bolt.
The mode that adopts two splint to pass through first bolted connection can realize supporting the drilling rod and adjusting two functions of support piece support position, and this support piece structure is convenient for process simultaneously, and is with low costs. The support member may also be a support plate slidably connected to the second orientation plate, and a corresponding locking structure, such as a snap, may be provided on the support plate to enable the support plate to be fixed to the second orientation plate. The support piece can also adopt other structures, and the drill rod can be fixedly supported only by adjusting the vertical height of the drill rod in the second positioning hole.
Preferably, the second orientation plate is provided with scales along the length direction of the second positioning hole.
Set up the scale and be used for sign support piece when different scales departments, the angle of drilling rod when the drilling rod passes first locating hole and second locating hole, directly can adjust support piece according to the sign when the constructor of being convenient for constructs, and then adjusts the drilling rod to the angle that corresponds, need not to measure at the scene repeatedly, can improve the construction precision and the efficiency of construction of lock foot stock.
Preferably, be equipped with first locking clamping piece on the first directional board, the second directional board is equipped with second locking clamping piece, two directional structure's first locking clamping piece passes through second bolted connection, two directional structure's second locking clamping piece passes through second bolted connection.
Through setting up first locking clamping piece and second locking clamping piece, be convenient for with two directional structure can dismantle and connect, is convenient for simultaneously with two directional structure centre gripping respectively is in the foot both sides of bow member, and the lock foot stock of the foot both sides of bow member of being convenient for is under construction simultaneously. Meanwhile, the two directional structures are connected through the second bolt, the second bolt is a long bolt, and the second bolt only needs to penetrate through the connecting hole of the first locking clamping piece or the second locking clamping piece, so that the alignment of the two directional structures can be realized quickly, and the symmetrical construction of foot locking anchor rods on the two sides of the foot of the arch frame is ensured.
Preferably, the first orientation plate and the second orientation plate are arranged in parallel, the upper end and the lower end of the first orientation plate are respectively provided with one first locking clamping piece, and the upper end and the lower end of the second orientation plate are respectively provided with one second locking clamping piece. Through the arrangement mode, the two directional structures can be stably fixed on the arch frame.
Preferably, the bow member is the I-steel structure, be equipped with two constant head tanks on the base, it is same two of base the constant head tank is used for the adaptation location respectively two flange boards of bow member.
When the bow member is the I-steel construction, through setting up the constant head tank with two flange board looks adaptations of I-steel construction, can be quick install directional structure to the bow member on, simultaneously, the constant head tank can restrict directional structure's moving direction, and the directional structure of being convenient for is followed the bow member removes and adjusts.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
tunnel bow member lock foot stock drilling's orienting device, it can adjust and control the drilling direction of drilling rod through first locating hole and second locating hole, and then the direction of control lock foot stock, avoids the construction of lock foot stock to have angular deviation, guarantees the construction quality of lock foot stock, and then guarantees the support capacity of lock foot stock, avoids tunnel construction danger. Meanwhile, the detachable connection of the arch center is achieved, the arch center can be repeatedly used, and construction is convenient.
Drawings
FIG. 1 is a schematic structural diagram of a directional device for drilling a locking bolt of a tunnel arch centering in embodiment 1;
FIG. 2 is a schematic structural view of an alignment structure in example 1;
FIG. 3 is a schematic structural view of the supporting member in embodiment 1;
FIG. 4 is a schematic view of the orientation device for drilling the locking bolt of the tunnel arch centering in the embodiment 1;
icon: 1-an arch frame; 2-a base; 21-a positioning groove; 3-a first orientation plate; 31-a first locating hole; 4-a second orientation plate; 41-a second positioning hole; 51-a first locking jaw; 511-a second bolt; 52-a second locking jaw; 6-a support member; 61-a first bolt; 7-positioning rule; 8-drill rod.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
The embodiment provides an orienting device for drilling a tunnel arch centering lock leg anchor rod, refer to fig. 1-4, including two orienting structures, two orienting structures are used for setting up relatively in the foot both sides of bow member 1, two orienting structures all can be dismantled connect in bow member 1, orienting structure includes base 2, be equipped with first orientation board 3 and second orientation board 4 on the base 2, first orientation board 3 is equipped with first locating hole 31, second orientation board 4 is equipped with second locating hole 41, and is same orienting structure first locating hole 31 with second locating hole 41 is used for wearing to establish drilling rod 8 and adjusting the angle of drilling rod 8.
In this embodiment, as shown in fig. 4, the arch center 1 is an i-shaped steel structure. The orientation structure is as shown in fig. 2, and comprises a base 2, the base 2 is a steel plate, and two positioning grooves 21 are arranged on the right side of the base, the two positioning grooves 21 are respectively used for being matched and positioned with two flange plates of the arch center 1, and meanwhile, the part between the two positioning grooves 21 just can be abutted against the web plate of the arch center 1 to form a support. The base 2 top has the first directional board 3 of vertical setting and the second directional board 4 of vertical setting, and first directional board 3 and second directional board 4 are separated by a determining deviation and parallel arrangement, and the lower part of first directional board 3 is equipped with circular or oval first locating hole 31, also can be other shapes, and the lower extreme and the upper end of first directional board 3 respectively are equipped with a first locking clamping piece 51, and have the connecting hole on the first locking clamping piece 51.
The middle part of the second orientation plate 4 is provided with a second positioning hole 41, the second positioning hole 41 is a vertically arranged bar-shaped hole, and can be in other shapes such as an oval shape, the upper end and the lower end of the second orientation plate 4 are respectively provided with a second locking clamping piece 52, and the two second locking clamping pieces 52 are respectively positioned outside the upper end and the lower end of the bar-shaped hole. A support member 6 is arranged on the second orientation plate 4 at the second positioning hole 41, the support member 6 is used for supporting a drill rod 8, and the support member 6 can move and be fixed along the length direction of the second positioning hole 41. Specifically, the support member 6 includes two clamping plates, as shown in fig. 2, the two clamping plates are transversely clamped at two sides of the second orientation plate 4, so that the clamping plates are transversely arranged outside the strip-shaped holes, and can support the drill rod 8, and the two clamping plates are fixedly connected through the first bolt 61. And the length direction of second locating hole 41 is equipped with positioning ruler 7 on second directional board 4, be equipped with the scale on the positioning ruler 7, set up the scale and be used for sign support piece 6 when different scale departments, drilling rod 8 passes first locating hole 31 and second locating hole 41 the angle of drilling rod 8, directly can adjust support piece 6 according to the sign when the constructor of being convenient for constructs, and then adjusts drilling rod 8 to the angle that corresponds, need not to measure at the scene repeatedly, can improve the construction precision and the efficiency of construction of lock foot stock.
As shown in fig. 1 or fig. 4, the two orientation structures are detachably connected by four second bolts 511, wherein the second bolts 511 are long bolts, such as M14 × 250 mm. Specifically, the first locking jaw 51 of one of the orientation structures is connected with the first locking jaw 51 of the other of the orientation structures through a second bolt 511, and the second locking jaw 52 of one of the orientation structures is connected with the second locking jaw 52 of the other of the orientation structures through a second bolt 511.
This embodiment the orienting device of tunnel bow member lock foot stock drilling, during the construction, install its assigned position at bow member 1, then through adjusting support piece 6 to the 7 assigned positions of location chi, then pass second locating hole 41 with drilling rod 8 from support piece 6 top, pass first locating hole 31 again, alright in order to drill, it can adjust and control the drilling direction of drilling rod 8 through first locating hole 31 and second locating hole 41, after the drilling finishes, take off drilling rod 8, throw in the route of lock foot stock according to drilling rod 8 again, and then restricted the direction of lock foot stock, avoid the construction of lock foot stock to have angular deviation, guarantee the construction quality of lock foot stock, and then guarantee the support capacity of lock foot stock, avoid tunnel construction danger. Meanwhile, the detachable arch center is detachably connected to the arch center 1, can be repeatedly used and is convenient to construct.
In this embodiment, the first orientation plate 3, the second orientation plate 4, the base 2, the first locking clip 51, and the second locking clip 52 are all steel plates, and form an orientation structure by welding, so that materials can be taken and processed conveniently, and the size of each structural member is determined according to actual construction conditions.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a directional device of tunnel bow member lock foot stock drilling, its characterized in that includes two directional structure, two directional structure is used for setting up the foot both sides in bow member (1) relatively, two directional structure all can dismantle connect in bow member (1), directional structure includes base (2), be equipped with first directional board (3) and second directional board (4) on base (2), first directional board (3) are equipped with first locating hole (31), second directional board (4) are equipped with second locating hole (41), and is same directional structure first locating hole (31) with second locating hole (41) are used for wearing to establish drilling rod (8) and adjust the angle of drilling rod (8).
2. The orientation device for drilling the tunnel arch locking bolt according to claim 1, wherein the second orientation plate (4) is vertically arranged on the base (2), the second positioning hole (41) is a vertically arranged strip-shaped hole, a support member (6) is arranged on the second orientation plate (4) at the second positioning hole (41), the support member (6) is used for supporting a drill rod (8), and the support member (6) can move and be fixed along the length direction of the second positioning hole (41).
3. The device for orienting tunnel arch locking bolt bores according to claim 2, characterized in that the support (6) comprises two clamping plates which are clamped transversely to the second orienting plate (4) and which are fixedly connected by means of a first bolt (61).
4. The orienting device for the drilling of the locking anchor of the tunnel arch according to claim 2, wherein the second orienting plate (4) is provided with a scale along the length direction of the second positioning hole (41).
5. The orienting device for the drilling of the locking bolt of the tunnel arch centering according to any one of the claims 1 to 4, wherein a first locking clip (51) is arranged on the first orienting plate (3), a second locking clip (52) is arranged on the second orienting plate (4), the first locking clips (51) of the two orienting structures are connected through a second bolt (511), and the second locking clips (52) of the two orienting structures are connected through the second bolt (511).
6. The device for orienting the drilling of the locking anchor of the tunnel arch centering according to claim 5, wherein the first orienting plate (3) and the second orienting plate (4) are arranged in parallel, the first locking clip (51) is respectively arranged at the upper end and the lower end of the first orienting plate (3), and the second locking clip (52) is respectively arranged at the upper end and the lower end of the second orienting plate (4).
7. The orientation device for drilling holes on locking feet of tunnel arch centering according to any one of claims 1 to 4, characterized in that the arch centering (1) is of I-steel structure, two positioning slots (21) are provided on the base (2), and the two positioning slots (21) of the same base (2) are respectively used for adapting and positioning two flange plates of the arch centering (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825591.XU CN213683976U (en) | 2020-11-30 | 2020-11-30 | Orientation device for drilling hole of tunnel arch frame foot locking anchor rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825591.XU CN213683976U (en) | 2020-11-30 | 2020-11-30 | Orientation device for drilling hole of tunnel arch frame foot locking anchor rod |
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| CN213683976U true CN213683976U (en) | 2021-07-13 |
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| CN202022825591.XU Active CN213683976U (en) | 2020-11-30 | 2020-11-30 | Orientation device for drilling hole of tunnel arch frame foot locking anchor rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991824A (en) * | 2022-08-08 | 2022-09-02 | 中铁九局集团第七工程有限公司 | Fixing device for controlling angle of advanced small guide pipe in tunnel and construction method |
-
2020
- 2020-11-30 CN CN202022825591.XU patent/CN213683976U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991824A (en) * | 2022-08-08 | 2022-09-02 | 中铁九局集团第七工程有限公司 | Fixing device for controlling angle of advanced small guide pipe in tunnel and construction method |
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