Tunnel advance pipe shed pipe feeding fast device

Abstract

The utility model belongs to tunnel advance pipe shed construction, and particularly relates to a fast pipe conveying device for a tunnel advance pipe shed. Comprising a drilling machine connecting end used for being connected with a propelling drilling machine drill rod; the connecting and propelling base plate is fixed on the drilling machine connecting end; and the pipe shed connecting end is mounted on the connecting and propelling base plate and is connected with the pipe shed. In the pipe shed construction operation process, unnecessary time loss is greatly reduced, the effective operation time is prolonged, the pipe shed construction efficiency is improved, and the advance support time is shortened.

Description

Technical Field

[0001] The utility model belongs to the construction of advanced pipe shed for tunnels, and specifically relates to a quick device for delivering pipes of advanced pipe shed for tunnels. Background Technique

[0002] During the construction of long and extra-long tunnels with complex geological conditions and mostly poor geology, advanced support is particularly important. The timeliness and quality of advanced support have a decisive impact on the tunnel construction efficiency. For long and extra-long tunnels with complex geological conditions and a large proportion of poor geology, the advanced support is all advanced pipe shed support. During the construction of the advanced pipe shed, the pipe delivery efficiency of the pipe shed is low, and inappropriate pipe delivery methods will also cause damage to the orifice of the pipe shed, affecting the installation efficiency and quality of the grouting stopper valve, and affecting the timeliness of the advanced support. Summary of the Invention

[0003] In order to enable the pipe delivery tool of the pipe shed to deliver pipes quickly and accurately, improve the pipe shed construction efficiency, effectively protect the orifice of the pipe shed, provide good working conditions for the subsequent grouting work, achieve fast support and protection, reduce the construction risk, provide safety guarantee for the construction in complex geology and soft surrounding rock geology, and improve the construction efficiency, the present invention provides a quick device for delivering pipes of advanced pipe shed for tunnels.

[0004] The present invention adopts the following technical solutions: A quick device for delivering pipes of advanced pipe shed for tunnels, comprising:

[0005] A drill rig connection end, which is used to connect with the drill pipe of the propulsion drill rig;

[0006] A propulsion backing plate, which is fixed on the drill rig connection end;

[0007] A pipe shed connection end, which is installed on the propulsion backing plate and connected with the pipe shed.

[0008] In some embodiments, the drill rig connection end includes:

[0009] A drill rig connection end sleeve, which is installed on the drill pipe of the propulsion drill rig, and a drill bit positioning hole is provided on the drill rig connection end sleeve;

[0010] A positioning clamp, which is arranged in the drill bit positioning hole and connected with the drill bit on the drill pipe of the propulsion drill rig.

[0011] In some embodiments, the propulsion backing plate includes:

[0012] A connecting propulsion backing plate, which is fixed at the front end of the drill rig connection end sleeve;

[0013] An adjustable propulsion backing plate, which is arranged in front of the connecting propulsion backing plate, and the connecting propulsion backing plate and the adjustable propulsion backing plate are connected by bolts.

[0014] In some embodiments, the connection push pad is circular, and four visual aligners are set in the four directions of up, down, left and right of the connection push pad, and the pipe opening of the pipe rack is aligned through the visual aligners.

[0015] In some embodiments, the push pad is adjusted to be circular, and four visual aligners are set in the four directions of up, down, left and right to connect the push pad, and the pipe opening of the pipe rack is aligned through the visual aligners.

[0016] In some embodiments, the pipe rack connection end includes a pipe rack connection end sleeve, which is fixedly connected to the front side of the connection advancement pad. The pipe rack connection end sleeve passes through the adjustment advancement pad for connecting the pipe rack.

[0017] In some embodiments, the diameter of the sleeve at the pipe rack connection end is smaller than the inner diameter of the pipe of the pipe rack.

[0018] In some embodiments, a circular hole is provided at the center of the adjusting and pushing pad, through which the sleeve of the pipe rack connecting end can pass.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The utility model has the characteristics of simple structure, high efficiency, low cost and remarkable effect. In the construction process of tunnels with complex geology and soft surrounding rock geology, a drilling trolley with higher flexibility and applicability is used as the equipment for drilling and delivering pipes in the pipe shed. Through the utility model, the pipe shed construction propulsion machine can be reliably connected with the pipe shed. First, it avoids the slipping caused by the shaking of the pipe shed pipe and the propulsion drill rod during the ordinary pipe delivery and propulsion process; second, it avoids the damage to the pipe shed pipe wall caused by misalignment or slipping during the propulsion process, affecting the installation of the subsequent grouting stop valve; third, it can avoid the bending of the pipe shed pipe caused by misalignment or propulsion angle deviation during the ordinary pipe shed propulsion process, thereby affecting the effective construction length of the pipe shed pipe. Through the utility model, unnecessary time loss is greatly reduced during the pipe shed construction operation, the effective operation time is increased, the efficiency of the pipe shed construction is improved, the advance support time is shortened, and "fast support and fast protection" is achieved, and the surrounding rock is provided with support in time to prevent the surrounding rock from further deteriorating, providing safety and quality assurance for the construction of soft surrounding rock tunnels. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is the overall connection diagram;

[0022] Figure 2 It is a cross-sectional view of the utility model;

[0023] Figure 3 Schematic diagram of connecting the propulsion pad;

[0024] Figure 4 This is a schematic diagram of the positioning card;

[0025] Figure 5 Schematic diagram of the adjusting propulsion backing plate

[0026] Figure 6 Sectional view of the adjusting propulsion backing plate

[0027] Among them, 1 is the drill pipe of the propulsion drill; 2 is the drill bit of the propulsion drill; 3 is the casing of the drill rig connection end; 4 is the positioning hole; 5 is the connecting propulsion backing plate; 6 is the casing of the pipe shed connection end; 7 is the pipe shed; 8 is the visual alignment device; 9 is the steel arch; 10 is the positioning card; 11 is the adjusting propulsion backing plate; 12 is the reserved hole for connecting the adjusting propulsion backing plate; 13 is the bolt. Specific implementation mode

[0028] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0029] A quick device for sending pipe shed in advance in a tunnel, comprising:

[0030] A drill rig connection end for connecting with the drill pipe 1 of the propulsion drill rig;

[0031] A propulsion backing plate fixed on the drill rig connection end;

[0032] A pipe shed connection end installed on the propulsion backing plate and connected with the pipe shed 7; the three are connected by welding.

[0033] Specifically, as Figure 2 shown, the drill rig connection end includes:

[0034] The casing 3 of the drill rig connection end is installed on the drill pipe 1 of the propulsion drill rig, and the drill bit positioning hole 4 is arranged on the casing 3 of the drill rig connection end;

[0035] The positioning card 10 is arranged in the drill bit positioning hole 4 and connected with the drill bit 2 on the drill pipe 1 of the propulsion drill rig.

[0036] During use, the casing 3 of the drill rig connection end is sleeved on the drill pipe 1 of the propulsion drill rig, and then the casing 3 of the drill rig connection end is locked with the drill pipe 1 of the propulsion drill rig through the positioning card 10, so as to install the whole device on the drill pipe 1 of the propulsion drill rig.

[0037] Specifically, the propulsion backing plate includes:

[0038] The connecting propulsion backing plate 5 is fixed at the front end of the casing 3 of the drill rig connection end;

[0039] Adjust the advancing backing plate 11, which is arranged in front of the connecting advancing backing plate 5. The connecting advancing backing plate 5 and the adjusting advancing backing plate 11 are connected by bolts 13.

[0040] Specifically, the connecting advancing backing plate 5 is circular. Four visual alignment devices 8 are arranged in the four directions of up, down, left and right of the connecting advancing backing plate 5, and the pipe shed nozzle is aligned through the visual alignment devices 8.

[0041] Specifically, the adjusting advancing backing plate 11 is circular. Four visual alignment devices 8 are arranged in the four directions of up, down, left and right of the connecting advancing backing plate 5, and the pipe shed nozzle is aligned through the visual alignment devices 8.

[0042] Specifically, a round hole through which the sleeve 6 at the connecting end of the pipe shed can pass is arranged at the center of the adjusting advancing backing plate 11.

[0043] During use, the connecting advancing backing plate 5 is welded to the front end of the connecting sleeve 3 of the drill rig, and then the adjusting advancing backing plate 11 is connected by bolts 13. An adjusting advancing backing plate connection reserved hole 12 is arranged on the adjusting advancing backing plate 11 for the bolts 13 to pass through.

[0044] The adjusting advancing backing plate 11 is provided with different models. According to the diameter of the advancing pipe shed 7, different adjusting advancing backing plates 11 can be selected to adapt to the diameter of the pipe shed pipe. The advancing drill rig effectively aligns with the pipe shed nozzle through the visual alignment device, improving the alignment efficiency.

[0045] Specifically, the pipe shed connecting end includes a pipe shed connecting end sleeve 6, which is fixedly connected to the front side of the connecting advancing backing plate 5. The pipe shed connecting end sleeve 6 passes through the adjusting advancing backing plate 11 for connecting the pipe shed 7.

[0046] Specifically, the diameter of the pipe shed connecting end sleeve 6 is smaller than the inner diameter of the pipe shed, which is convenient for the installation of the pipe shed pipe and the adjusting advancing backing plate. After the advanced pipe shed pipe feeding quick device is installed, the pipe shed installation operation is carried out with the steel arch as the support point.

[0047] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A quick pipe - feeding device for advanced tunnel pipe - shed, characterized in that, Comprising: A drilling rig connection end for connecting with the drill pipe (1) of a propulsion drilling rig; A propulsion backing plate fixed to the drilling rig connection end; A pipe shed connection end installed on the propulsion backing plate and connected to the pipe shed (7).

2. The quick pipe feeding device for advanced tunnel pipe shed according to claim 1, wherein The drilling rig connection end includes: A drilling rig connection end casing (3) installed on the drill pipe (1) of the propulsion drilling rig, with a drill bit positioning hole (4) provided on the drilling rig connection end casing (3); A positioning clip (10) disposed in the drill bit positioning hole (4) and connected to the drill bit (2) on the drill pipe (1) of the propulsion drilling rig.

3. The quick pipe feeding device for advanced tunnel pipe shed according to claim 2, wherein, The propulsion backing plate includes: A connecting propulsion backing plate (5) fixed to the front end of the drilling rig connection end casing (3); An adjustable propulsion backing plate (11) disposed in front of the connecting propulsion backing plate (5), and the connecting propulsion backing plate (5) and the adjustable propulsion backing plate (11) are connected by bolts (13).

4. The quick pipe feeding device for advanced tunnel pipe-shed according to claim 3, characterized in that The connecting propulsion backing plate (5) is circular, and four visual alignment devices (8) are provided in the four directions of up, down, left, and right of the connecting propulsion backing plate (5) to align with the pipe orifice of the pipe shed through the visual alignment devices (8).

5. The quick pipe feeding device for advanced tunnel pipe-shed according to claim 3, wherein, The adjustable propulsion backing plate (11) is circular, and four visual alignment devices (8) are provided in the four directions of up, down, left, and right of the connecting propulsion backing plate (5) to align with the pipe orifice of the pipe shed through the visual alignment devices (8).

6. The quick pipe feeding device for advanced tunnel pipe shed according to claim 3, characterized in that, The pipe shed connection end includes a pipe shed connection end casing (6), the pipe shed connection end casing (6) is fixedly connected to the front side of the connecting propulsion backing plate (5), and the pipe shed connection end casing (6) passes through the adjustable propulsion backing plate (11) for connecting the pipe shed (7).

7. The quick pipe feeding device for advanced tunnel pipe shed according to claim 6, characterized in that, The inner diameter of the pipe shed connection end casing (6) is smaller than the inner diameter of the pipe shed.

8. The quick pipe feeding device for advanced tunnel pipe shed according to claim 6, characterized in that, A round hole allowing the pipe shed connection end casing (6) to pass through is provided at the center of the adjustable propulsion backing plate (11).

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