Spraying support for tunnel maintenance

Abstract

The utility model provides a spray support for tunnel maintenance, which is used for mounting a spray pipe and comprises a base, a support frame and a support frame, each supporting rod comprises a mounting part arranged on the base, a threaded part connected with the mounting part and a supporting part connected with the threaded part; the plurality of movable cylinders correspondingly sleeve the plurality of supporting rods one by one and are provided with supporting seats, and each supporting seat is connected to the spraying pipe; the adjusting part is rotationally arranged on the movable cylinder and provided with an internal thread cylinder, and the internal thread cylinder is in threaded connection with the thread part and used for adjusting the position of the movable cylinder on the supporting rod. The size of an arc formed by each movable cylinder is changed by adjusting the position of the supporting seat on each movable cylinder, spraying pipes with different sizes are mounted, and on the premise that the mounting seat is mounted on the maintenance vehicle, different spraying pipes can be mounted and different tunnels can be subjected to spraying maintenance only by adjusting the movable cylinders; and different tunnels can be maintained without reassembly, so that the engineering cost is saved, and the waste of manpower is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel maintenance tools, in particular to a spray bracket for tunnel maintenance. Background Art

[0002] The maintenance quality of tunnel lining concrete is one of the important control processes. After the tunnel lining is constructed, the tunnel lining is maintained by spraying and other methods. The mixed saturated calcium hydroxide solution is sprayed on the concrete surface to increase the structural strength.

[0003] For example, the Chinese patent "CN220056673U" discloses "a tunnel secondary lining maintenance spray device", which can perform real-time maintenance on the entire section of the tunnel's secondary lining, and can meet the requirements of the secondary lining maintenance for the spray range, spray intensity and temperature, without the need for manual adjustment, saving labor costs and ensuring the safety of construction. However, the spray pipe in the above maintenance spray device is mainly supported by a stand, and because the stand structure is relatively fixed, the arc size of the spray pipe will change with the different tunnels, resulting in a stand that can only adapt to one spray pipe. When the spray pipe is replaced with the construction of different tunnels, the stand needs to be re-customized and assembled, which not only costs money, but also wastes manpower. Utility Model Content

[0004] In view of the deficiencies existing in the prior art, the utility model provides a spray bracket for tunnel maintenance, which solves the problem that the tunnel maintenance stand in the prior art has a fixed structure and low applicability.

[0005] The utility model provides a spray bracket for tunnel maintenance, which is used for installing a spray pipe, and comprises:

[0006] Base;

[0007] A plurality of support rods, including a mounting portion disposed on the base, a threaded portion connected to the mounting portion, and a support portion connected to the threaded portion;

[0008] A plurality of movable cylinders are sleeved on a plurality of supporting rods one by one and are provided with supporting seats, and each supporting seat is connected to a spray pipe; and

[0009] The adjusting member is rotatably arranged on the movable cylinder and is provided with an internal threaded cylinder, which is threadedly connected with the threaded part and is used for adjusting the position of the movable cylinder on the supporting rod.

[0010] Preferably, a support ring is provided on the base, and the mounting portions of each support rod are inserted through the support ring.

[0011] Preferably, a reinforcing rod is provided on the base, and one end of the reinforcing rod passes through the supporting ring.

[0012] Preferably, a bayonet is provided at the end of the mounting portion, the bayonet is bayoneted to the base, a bolt is threadedly connected to one side of the bayonet, and the bolt abuts against the base.

[0013] Preferably, the base is provided with a plurality of mounting holes.

[0014] Preferably, a limiting block is provided at the end of the supporting portion, a limiting groove is provided in the movable cylinder, and the limiting block is slidably engaged in the limiting groove.

[0015] Preferably, at least one clamp is provided on the support seat, and the spray pipe is provided between the clamp and the support seat.

[0016] Preferably, the support seat is provided with an arc-shaped groove, and the spray pipe is clamped in the arc-shaped groove.

[0017] Preferably, the adjusting member is fixedly provided with an adjusting wheel, and a plurality of protrusions are provided on the circumference of the adjusting wheel.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] By installing the base to the maintenance vehicle, and using the base as a medium to install several support rods and several movable cylinders, finally a spray pipe for spraying is set on the support seat of each movable cylinder, the arc-shaped spray pipe is supported, and the spray water is transported to the spray pipe by the maintenance vehicle, and finally sprayed out through the spray pipe to perform maintenance operations on the tunnel concrete during the movement of the maintenance vehicle. When using the maintenance vehicle with the installed base to maintain other types of tunnels, due to the change in the spray pipe used, the support rod, the movable cylinder and the adjusting member are cooperated, and the adjusting member is rotated to move the threaded portion on the support rod up and down, thereby driving the movable cylinder connected to the adjusting member to slide on the support rod to change the size of the arc formed by each support seat, so as to be suitable for the installation of arc pipes of different sizes, and then perform maintenance operations on different types of tunnels. This solution has strong applicability and can perform maintenance operations on different tunnels without reassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the utility model.

[0021] Figure 2 It is a schematic diagram of the planar structure of the working state in the embodiment of the utility model.

[0022] Figure 3 It is a schematic diagram of the exploded structure of the support rod, the movable cylinder and the adjusting member in the embodiment of the utility model.

[0023] In the above drawings: 1. Spray pipe; 2. Support rod; 21. Support part; 211. Limit block; 22. Threaded part; 23. Mounting part; 231. Bayonet; 3. Movable cylinder; 31. Support seat; 311. Arc groove; 32. Clamp; 4. Base; 41. Mounting hole; 42. Support ring; 43. Reinforcement rod; 5. Adjustment part; 51. Adjustment wheel; 52. Internal threaded cylinder. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] like Figures 1 to 3 As shown, the embodiment of the utility model provides a spray bracket for tunnel maintenance, which is used to install a spray pipe 1, including:

[0026] Base 4;

[0027] A plurality of support rods 2, including a mounting portion 23 disposed on the base 4, a threaded portion 22 connected to the mounting portion 23, and a support portion 21 connected to the threaded portion 22;

[0028] A plurality of movable cylinders 3 are sleeved on the plurality of support rods 2 one by one and are provided with support seats 31, and each support seat 31 is connected to the spray pipe 1; and

[0029] The adjusting member 5 is rotatably mounted on the movable cylinder 3 and is provided with an internal threaded cylinder 52 . The internal threaded cylinder 52 is threadedly connected to the threaded portion 22 and is used to adjust the position of the movable cylinder 3 on the support rod 2 .

[0030] In the embodiment of the utility model, first when in use, the base 4 is fixed on the maintenance vehicle, and then the entire spray bracket is assembled, with the base 4 as the medium, a plurality of support rods 2 and a plurality of movable cylinders 3 are installed one by one to the base 4, and then the spray pipe 1 used for spraying is set on the support seat 31 of each movable cylinder 3, and the arc-shaped spray pipe 1 is supported, and the spray water is transported to the spray pipe 1 by the maintenance vehicle, and finally sprayed out to the concrete surface of the tunnel through the spray pipe 1. During the movement of the maintenance vehicle, a large-scale spray maintenance work can be carried out on the area passed by the road.

[0031] Secondly, when the maintenance vehicle with the base 4 installed is used to maintain other types of tunnels, due to the change in the spray pipe 1 used, the adjusting member 5 is rotated with the cooperation of the support rod 2, the movable cylinder 3 and the adjusting member 5. Because the adjusting member 5 is rotatably arranged on the movable cylinder 3, the adjusting member 5 can only drive the internal threaded cylinder 52 set therein to rotate relative to the movable cylinder 3, and the internal threaded cylinder 52 is threadedly arranged on the threaded portion 22, and the threaded portion 22 is in a fixed state, so when the internal threaded cylinder 52 rotates, it moves up and down along the threaded portion 22, thereby driving the movable cylinder 3 connected to the adjusting member 5 to slide on the support rod 2 to change the position of the support seat 31 relative to the base 4, and adjust each movable cylinder 3 one by one, thereby adjusting the size of the arc formed by each movable cylinder 3, so that it is suitable for the installation of spray pipes 1 of different sizes, and then implementing maintenance operations on tunnels of different types. The present scheme has strong applicability and can carry out maintenance operations on different tunnels without reassembly, which not only saves engineering costs but also avoids waste of manpower.

[0032] Based on the above scheme, if Figure 2 and Figure 3 As shown, a support ring 42 is provided on the base 4, and the mounting portion 23 of each support rod 2 is inserted through the support ring 42. The support ring 42 can provide an installation space for the mounting portion 23 in the support rod 2. When assembling each support rod 2, the mounting portion 23 can be directly inserted into the hole of the support ring 42 to achieve quick assembly and save the entire project time; secondly, a reinforcing rod 43 is provided on the base 4, and one end of the reinforcing rod 43 passes through the support ring 42, and a hole is further opened on the support ring 42, and then the reinforcing rod 43 is inserted into the hole and one end of it is welded Connecting to the base 4 can increase the structural strength of the support ring 42 and avoid deformation of the support ring 42 caused by long-term use. In addition, a bayonet 231 is provided at the end of the mounting portion 23, and the bayonet 231 is clamped on the base 4. A bolt is threadedly connected to one side of the bayonet 231, and the bolt abuts against the base 4. The setting of the bayonet 231 can play a positioning role. When the mounting portion 23 is inserted into the support ring 42, the bayonet 231 can be directly clamped on the base 4, which ensures stability and positions the angle of the support seat 31 to avoid rotation. Furthermore, if Figure 1 As shown, the base 4 is provided with a plurality of mounting holes 41, and screws can be inserted into the plurality of mounting holes 41 according to actual needs, and the base 4 can be detachably connected to the maintenance vehicle for easy installation and removal.

[0033] like Figure 3 As shown, a limit block 211 is provided at the end of the support portion 21 , a limit groove is provided in the movable cylinder 3 , and the limit block 211 is slidably engaged in the limit groove.

[0034] In the embodiment of the utility model, the movable cylinder 3 can be limited by the cooperation of the limit block 211 and the limit groove, which can prevent the movable cylinder 3 from rotating when the adjusting member 5 is rotated, and ensure that the adjusting member 5 will only slide along the axis of the support rod 2 without rotating when the movable cylinder 3 is lifted or pulled; moreover, the adjusting member 5 is fixedly provided with an adjusting wheel 51, and a plurality of protrusions are provided on the peripheral side of the adjusting wheel 51, which can facilitate manual rotation of the adjusting member 5 and increase the stability between the palm and the adjusting wheel 51 under the plurality of protrusions.

[0035] like Figure 3 As shown, at least one clamp 32 is provided on the support seat 31 , and the spray pipe 1 is provided between the clamp 32 and the support seat 31 .

[0036] In the embodiment of the utility model, after the spray pipe 1 is mounted on each support seat 31, the clamp 32 on each support seat 31 is rotated respectively so that the other end of the clamp 32 is also connected to the support seat 31, and the clamp 32 is buckled on the spray pipe 1, so that the spray pipe 1 can be fixedly installed on the support seat 31, which can prevent the spray pipe 1 from being separated from the support seat 31 during the movement of the maintenance vehicle, thereby ensuring the stability of the spray pipe 1 during operation; secondly, the support seat 31 An arc groove 311 is provided, and the spray pipe 1 is clamped in the arc groove 311. After the spray pipe 1 is installed on the support seat 31, the spray pipe 1 can be initially limited and fixed under the action of the arc groove 311 to facilitate the installation of the clamp 32, so that the spray pipe 1 will not be offset. In addition, when fixing the spray pipe 1, the circular channel formed by the arc groove 311 and the clamp 32 is more adapted to the shape of the spray pipe 1, and the stability of the spray pipe 1 can be guaranteed when the maintenance vehicle is moving.

[0037] In summary, the present invention can adjust the position of the support seat 31 on each movable cylinder 3 by the cooperation of each support rod 2 and the adjusting member 5, so as to change the size of the arc formed by each movable cylinder 3, and can install spray pipes 1 of different sizes. Under the premise of installing the base 4 on the maintenance vehicle, different spray pipes 1 can be installed by only adjusting the movable cylinder 3 to carry out spray maintenance on different tunnels. Maintenance operations can be carried out on different tunnels without reassembly, which not only saves engineering costs but also avoids waste of manpower.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A spray bracket for tunnel maintenance, used for installing a spray pipe (1), characterized in that: include: Base (4); A plurality of support rods (2), comprising a mounting portion (23) disposed on the base (4), a threaded portion (22) connected to the mounting portion (23), and a support portion (21) connected to the threaded portion (22); A plurality of movable cylinders (3) are sleeved on the plurality of support rods (2) one by one and are provided with support seats (31), and each of the support seats (31) is connected to the spray pipe (1); and The adjusting member (5) is rotatably mounted on the movable cylinder (3) and is provided with an internal threaded cylinder (52). The internal threaded cylinder (52) is threadedly connected to the threaded portion (22) and is used to adjust the position of the movable cylinder (3) on the support rod (2).

2. The spray support for tunnel maintenance according to claim 1, characterized in that: A support ring (42) is provided on the base (4), and the mounting portion (23) of each support rod (2) is inserted through the support ring (42).

3. The spray support for tunnel maintenance according to claim 2, characterized in that: A reinforcing rod (43) is provided on the base (4), and one end of the reinforcing rod (43) passes through the supporting ring (42).

4. The spray support for tunnel maintenance according to claim 1, characterized in that: The end of the mounting portion (23) is provided with a bayonet (231), the bayonet (231) is bayoneted to the base (4), one side of the bayonet (231) is threadedly connected with a bolt, and the bolt abuts against the base (4).

5. The spray support for tunnel maintenance according to any one of claims 1 to 4, characterized in that: The base (4) is provided with a plurality of installation holes (41).

6. The spray support for tunnel maintenance according to claim 1, characterized in that: A limiting block (211) is provided at the end of the support portion (21), a limiting groove is provided in the movable cylinder (3), and the limiting block (211) is slidably engaged in the limiting groove.

7. The spray support for tunnel maintenance according to claim 1, characterized in that: At least one clamp (32) is provided on the support seat (31), and the spray pipe (1) is arranged between the clamp (32) and the support seat (31).

8. The spray support for tunnel maintenance according to claim 1 or 7, characterized in that: The support seat (31) is provided with an arc-shaped groove (311), and the spray pipe (1) is clamped in the arc-shaped groove (311).

9. The spray support for tunnel maintenance according to claim 1, characterized in that: The adjusting member (5) is fixedly provided with an adjusting wheel (51), and a plurality of protrusions are provided on the circumference of the adjusting wheel (51).

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