CN215718816U - Highway tunnel secondary lining reinforcing bar protective layer thickness control device - Google Patents
Highway tunnel secondary lining reinforcing bar protective layer thickness control device Download PDFInfo
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- CN215718816U CN215718816U CN202122167876.3U CN202122167876U CN215718816U CN 215718816 U CN215718816 U CN 215718816U CN 202122167876 U CN202122167876 U CN 202122167876U CN 215718816 U CN215718816 U CN 215718816U
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Abstract
The utility model provides a thickness control device for a protective layer of a secondary lining steel bar of a highway tunnel, which comprises a tunnel inner wall, wherein a grouting opening is arranged at the left part of the tunnel inner wall; an upper thickness control plate and a lower thickness control plate are arranged in the two lining steel bar protection grooves in the tunnel inner wall; and the left and right sides in the upper thickness control plate are provided with perfusion openings; and adjusting holes are arranged on the left side and the right side inside the thickness control plate and deviated from the outer side of the filling opening. The adjusting holes are internally threaded, and the adjusting rods are connected with the adjusting holes through external threads, so that the distance between the thickness control plates can be conveniently controlled and adjusted; the rotary cap and the adjusting handle are connected through threads, and the outer wall of the middle part of the adjusting handle is provided with threads which can be disassembled; the material discharging plug is provided with a rubber plug and is arranged inside the pouring multi-material discharging cylinder, wherein the pouring multi-material discharging cylinder is provided with a stainless steel cylinder or an aluminum alloy cylinder and can be detached for maintenance or replacement.
Description
Technical Field
The utility model belongs to the technical field of tunnel engineering, and particularly relates to a thickness control device for a protective layer of a secondary lining steel bar of a highway tunnel.
Background
The structure of the tunnel comprises two parts, namely a main building and accessory equipment. The main building consists of a tunnel body and a tunnel door, the auxiliary equipment comprises a car-avoiding tunnel, fire-fighting equipment, emergency communication and water-proof and drainage equipment, and the long tunnel is also provided with special ventilation and lighting equipment.
Therefore, when a road passes through a mountain area, the scheme of winding around the mountain is changed into a tunnel scheme in the past.
The protective layer thickness control device is widely applied at present.
However, the existing protective layer thickness control device has the problems that the thickness cannot be adjusted and controlled, the concrete injection and filling multi-material discharge function is not realized, and the stability is poor.
Therefore, the utility model of the thickness control device for the protective layer of the secondary lining steel bar of the highway tunnel is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a thickness control device for a protective layer of a secondary lining steel bar of a road tunnel, which is realized by the following technical scheme:
the thickness control device for the protective layer of the secondary lining steel bar of the highway tunnel comprises a tunnel inner wall, wherein a grouting opening is formed in the left part of the tunnel inner wall; an upper thickness control plate and a lower thickness control plate are arranged in the two lining steel bar protection grooves in the tunnel inner wall; and the left and right sides in the upper thickness control plate are provided with perfusion openings; adjusting holes are formed in the left side and the right side of the inner part of the thickness control plate and are deviated from the outer side of the pouring opening; the middle part of the inner side of the thickness control plate is also connected with a stable reinforcing plate through bolts; and a pouring multi-material discharge barrel is connected to the right outlet of the inner wall of the tunnel through threads; the adjusting holes are internally provided with adjusting rods, the outer wall of each adjusting rod is provided with an external thread, the upper end and the lower end of each adjusting rod are connected with an adjusting cap in a key mode, and an adjusting groove is formed in the middle of the inside of each adjusting rod.
Preferably, the inner side between the stable reinforcing plates is connected with reinforcing buffer pieces through bolts, and flow guide holes are formed in the upper side and the lower side of the inner side of each reinforcing buffer piece.
Preferably, fill many material and discharge a section of thick bamboo left side downside and seted up the bin outlet to there is fixed lid filling many material and discharge a section of thick bamboo right-hand member threaded connection, and threaded hole that sets up in the inside middle part of fixed lid is provided with rotatory screw rod, and be connected with at rotatory screw rod left end bearing and arrange the material stopper, still there is rotatory cap at rotatory screw rod right-hand member key-type connection, and the threaded hole inside that the inside middle part of rotatory cap was seted up is provided with the regulating handle.
Preferably, the adjusting hole is an internal thread hole, and the adjusting rod is connected with the adjusting hole through an external thread.
Preferably, the rotating cap and the adjusting handle are in threaded connection, and threads are arranged on the outer wall of the middle part of the adjusting handle.
Preferably, the discharge plug adopt rubber plugs and is arranged inside the multi-material pouring discharge cylinder, wherein the multi-material pouring discharge cylinder adopts a stainless steel cylinder or an aluminum alloy cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, the adjusting holes are internally threaded, and the adjusting rods are connected with the adjusting holes through external threads, so that the distance between the thickness control plates can be conveniently controlled and adjusted.
2. In the utility model, the rotating cap and the adjusting handle are in threaded connection, and the outer wall of the middle part of the adjusting handle is provided with threads, so that the adjusting handle can be detached and is convenient to operate.
3. In the utility model, the discharge plug adopts a rubber plug and is arranged in the multi-material pouring discharge cylinder, wherein the multi-material pouring discharge cylinder adopts a stainless steel cylinder or an aluminum alloy cylinder, so that the multi-material pouring discharge cylinder can be detached, maintained or replaced, and the operation is convenient.
4. In the utility model, the adjusting groove is a rectangular groove, and can be rotated and adjusted by a straight screwdriver, so that the thickness control and adjustment operation is facilitated.
5. According to the utility model, the stable reinforcing plate is made of the stainless steel plate, so that the stability and the service life are ensured, and the rusting damage is avoided.
6. In the utility model, the reinforcing buffer sheet adopts two arc stainless steel spring pieces which are arranged oppositely, so that the buffer function is adjusted, and the support stability is ensured.
7. In the utility model, the diversion holes are circular through holes with the hole diameter of 3-5cm, so that the smooth flowing of the soil slurry protective layer can be ensured, and the filling stability is further ensured.
8. According to the utility model, the pouring multi-material discharge cylinder can discharge redundant grouting protection layers, so that the excessive thickness is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the regulating hole of the present invention.
Fig. 3 is a schematic structural view of the stabilizing and reinforcing plate of the present invention.
Fig. 4 is a schematic view of the construction of the pouring multi-cartridge of the present invention.
In the figure:
1. an inner wall of the tunnel; 2. a grouting port; 3. a thickness control plate; 4. an infusion port; 5. an adjustment hole; 51. adjusting a rod; 52. an external thread; 53. an adjusting cap; 54. an adjustment groove; 6. stabilizing the reinforcing plate; 61. reinforcing the buffer sheet; 62. a flow guide hole; 7. filling a multi-material discharge cylinder; 71. a discharge outlet; 72. a fixed cover; 73. rotating the screw; 74. a discharge plug; 75. rotating the cap; 76. an adjusting handle.
Detailed Description
The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, the thickness control device for a two-lining steel bar protection layer of a highway tunnel comprises a tunnel inner wall 1, and a grouting opening 2 is arranged at the left part of the tunnel inner wall 1; an upper thickness control plate 3 and a lower thickness control plate 3 are arranged in the two lining steel bar protection grooves in the tunnel inner wall 1; pouring openings 4 are formed in the left side and the right side of the inner part of the thickness control plate 3 on the upper part, and adjusting holes 5 are formed in the left side and the right side of the inner part of the thickness control plate 3 and the outer side of the thickness control plate deviated from the pouring openings 4; the middle part of the inner side of the thickness control plate 3 is also connected with a stable reinforcing plate 6 through bolts; a pouring multi-material discharge cylinder 7 is connected to the right outlet of the tunnel inner wall 1 through threads, so that convenience in control and operation can be guaranteed;
wherein inside being provided with between the regulation hole 5 adjusts pole 51, and the external screw thread 52 has been seted up at adjusting pole 51 outer wall, and the equal key-type connection in both ends has the regulation cap 53 about adjusting pole 51, and has seted up adjustment tank 54 at the inside middle part of adjusting pole 51, it is rotatory to drive through adjusting cap 53, can be so that adjust pole 51 at the inside rotation of regulation hole 5, can change the interval between the thickness control board 3, and then can control the thickness of filling of protective layer, guarantee the simple operation nature.
In this embodiment, combine as shown in fig. 3, the inboard about between the stable gusset plate 6 equal bolted connection in both parts have a reinforcement buffer piece 61 to water conservancy diversion hole 62 has all been seted up in both sides about reinforcing buffer piece 61 is inside, when adjusting or when pouring, the accessible is consolidated buffer piece 61 and is cushioned and support, avoids the protective layer to appear the layering after pouring, in order to guarantee to support stability, and guarantees through water conservancy diversion hole 62 that the protective layer grout can flow each other, guarantees the filling effect.
In this embodiment, referring to fig. 4, a discharge outlet 71 is provided at the lower left side of the pouring multi-material discharge tube 7, a fixed cover 72 is connected with the right end of the pouring multi-material discharging cylinder 7 in a threaded way, a threaded hole arranged in the middle part of the inner part of the fixed cover 72 is internally provided with a rotating screw 73, a discharging plug 74 is connected with the left end bearing of the rotating screw rod 73, a rotating cap 75 is connected with the right end bearing of the rotating screw rod 73, and the threaded hole opened in the middle part of the inside of the rotating cap 75 is internally provided with an adjusting handle 76, the redundant protective layer grouting can be discharged through the pouring multi-material discharge cylinder 7, by manually rotating the adjustment handle 76 counterclockwise, the rotation cap 75 drives the rotation screw 73 to move rightward, the discharging plug 74 in the pouring multi-material discharging cylinder 7 can move right until leaving the discharging opening 71, and the redundant grouting of the protective layer can be discharged at the moment, so that the thickness control effect is ensured.
In this embodiment, specifically, the adjusting groove 54 is configured as a rectangular groove, and can be rotated and adjusted by a straight screwdriver, so as to facilitate the operation of controlling and adjusting the thickness.
In this embodiment, it is concrete, stable gusset plate 6 adopt corrosion resistant plate, guarantee firm life-span, avoid the damage of rustting.
In this embodiment, it is specific, the reinforcing buffer sheet 61 adopt two arc stainless steel spring pieces that set up mutually back on the back, play the effect of adjusting the buffering, guarantee support stability simultaneously.
In this embodiment, specifically, the diversion holes 62 are circular through holes with a hole diameter of 3-5cm, so that the slurry protective layer can smoothly flow, and further, the filling stability is ensured.
In this embodiment, specifically, the thickness control plate 3 is made of a stainless steel plate, and is used for performing the thickness control operation of the protective layer.
In this embodiment, specifically, the thread directions of the upper and lower adjusting holes 5 are opposite.
In this embodiment, specifically, the fixed cover 72 and the rotary screw 73 are connected by a screw thread.
Principle of operation
In the utility model, the adjusting cap 53 drives the adjusting rod 51 to rotate, so that the adjusting rod 51 can rotate in the adjusting hole 5, the distance between the thickness control boards 3 can be changed, the filling thickness of the protective layer can be controlled, the operation convenience is ensured, when the adjustment or filling is carried out, the reinforced buffer sheet 61 can be used for buffer support to avoid layering after the protective layer is poured so as to ensure the support stability, and the flow of the protective layer grouting can be ensured through the diversion holes 62, the filling effect is ensured, the redundant protective layer grouting can be discharged through the filling multi-material discharge cylinder 7, by manually rotating the adjustment handle 76 counterclockwise, the rotation cap 75 drives the rotation screw 73 to move rightward, the discharging plug 74 in the pouring multi-material discharging cylinder 7 can move right until leaving the discharging opening 71, and the redundant grouting of the protective layer can be discharged at the moment, so that the thickness control effect is ensured.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (6)
1. The thickness control device for the protective layer of the secondary lining steel bar of the highway tunnel comprises a tunnel inner wall (1) and is characterized in that a grouting opening (2) is arranged at the left part of the tunnel inner wall (1); an upper thickness control plate and a lower thickness control plate (3) are arranged in the two lining steel bar protection grooves in the tunnel inner wall (1); pouring openings (4) are formed in the left side and the right side of the inner part of the upper thickness control plate (3), and adjusting holes (5) are formed in the left side and the right side of the inner part of the thickness control plate (3) and are deviated from the outer sides of the pouring openings (4); the middle part of the inner side of the thickness control plate (3) is also connected with a stable reinforcing plate (6) through bolts; and the right outlet of the tunnel inner wall (1) is also in threaded connection with a pouring multi-material discharge cylinder (7); adjusting rods (51) are arranged in the adjusting holes (5), external threads (52) are arranged on the outer walls of the adjusting rods (51), adjusting caps (53) are connected to the upper end and the lower end of each adjusting rod (51) in a key mode, and adjusting grooves (54) are formed in the middle of the inner portions of the adjusting rods (51).
2. The thickness control device of a protective layer of reinforcing steel bars for a road tunnel according to claim 1, wherein the reinforcing buffer sheets (61) are bolted on the left and right inner sides between the stabilizing and reinforcing plates (6), and diversion holes (62) are formed in the reinforcing buffer sheets (61) on the upper and lower sides.
3. The thickness control device of a protective layer of a secondary lining steel bar for a road tunnel according to claim 1, wherein a discharge opening (71) is formed in the lower left side of the pouring multi-material discharge cylinder (7), a fixed cover (72) is connected to the right end of the pouring multi-material discharge cylinder (7) in a threaded manner, a rotating screw (73) is arranged in a threaded hole formed in the middle of the inside of the fixed cover (72), a discharge plug (74) is connected to the left end of the rotating screw (73) in a bearing manner, a rotating cap (75) is connected to the right end of the rotating screw (73) in a key manner, and an adjusting handle (76) is arranged in a threaded hole formed in the middle of the inside of the rotating cap (75).
4. The thickness control device of the protective layer of the secondary lining steel bars for the highway tunnel according to claim 1, characterized in that the adjusting holes (5) are internally threaded holes, and the adjusting rods (51) are connected with the adjusting holes (5) through external threads (52).
5. The thickness control device for the protective layer of the secondary lining steel bar for the road tunnel of claim 3, wherein the rotating cap (75) and the adjusting handle (76) are connected through threads, and the outer wall of the middle part of the adjusting handle (76) is provided with threads.
6. The thickness control device of the protective layer of the secondary lining steel bar for the road tunnel according to claim 3, wherein the discharging plug (74) is made of a rubber plug and is arranged inside the pouring multi-material discharging cylinder (7), and the pouring multi-material discharging cylinder (7) is made of a stainless steel cylinder or an aluminum alloy cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167876.3U CN215718816U (en) | 2021-09-08 | 2021-09-08 | Highway tunnel secondary lining reinforcing bar protective layer thickness control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167876.3U CN215718816U (en) | 2021-09-08 | 2021-09-08 | Highway tunnel secondary lining reinforcing bar protective layer thickness control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215718816U true CN215718816U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122167876.3U Active CN215718816U (en) | 2021-09-08 | 2021-09-08 | Highway tunnel secondary lining reinforcing bar protective layer thickness control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215718816U (en) |
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2021
- 2021-09-08 CN CN202122167876.3U patent/CN215718816U/en active Active
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