Pipe jacking machine air pipe extending and mounting device

Abstract

The utility model provides an extension mounting device for an air pipe of a pipe jacking machine, and belongs to the technical field of secondary ventilation equipment for pipe jacking construction. Comprising a first supporting frame, a draught fan, an air pipe assembly, a pipe joint propelling assembly and an air pipe telescopic driving assembly. The fan is mounted on the first support frame; the air pipe assembly comprises a first air pipe and a second air pipe, and the first air pipe is of a telescopic structure; the pipe joint assemblies and the first supporting frames are arranged at intervals. The pipe joint propelling assembly comprises a starting guide rail and a propelling driving part; the air pipe telescopic driving assembly is installed on the first supporting frame and used for driving the first air pipe to stretch out and draw back. According to the characteristics of pushing of the pipe jacking machine and pipe joint replacement, fresh air outside a tunnel is fed into the pipe joint through the winding drum, the telescopic flexible air pipe and the draught fan, the air pipe extending mode is simple in structure and convenient to operate, the ventilation requirement is guaranteed to a certain degree, the installation time is shortened, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the top -tube construction secondary ventilation equipment technical field relates to a top -tube machine air pipe extension installation device. BACKGROUND

[0002] The conventional top -tube machine ventilation mode usually adopts the way that natural air intake and mechanical exhaust are combined, the whole pipe section sends and exhausts air, can cause air pollution in the pipe section and the fan air volume is too large, easily causes the economic cost to increase, and cannot play good ventilation effect for long -distance construction, and the excavation diameter of small -diameter top -tube equipment, pipe section diameter is small, the space in the pipe section is narrow, and the conventional natural air intake and mechanical exhaust combined air sending and exhaust mode cannot meet the ventilation requirement. CONTENT OF UTILITY MODEL

[0003] The utility model discloses a small -diameter top -tube machine air pipe extension device that is simple in structure, convenient to replace pipe, easy to disassemble and assemble, and aims at meeting the ventilation requirement of small -diameter top -tube construction and improving construction efficiency.

[0004] The utility model provides a top -tube machine air pipe extension installation device, including first support frame, fan, air pipe component, pipe section propulsion component and air pipe telescopic drive component,

[0005] The fan is installed on the first support frame,

[0006] The air pipe component includes first air pipe and second air pipe that can be detachably connected, the first air pipe is connected with the air outlet of the fan at one end away from the second air pipe, and the second air pipe is extended in the advancing direction of excavation at one end away from the first air pipe, and the first air pipe is provided as a telescopic structure,

[0007] The pipe section assembly and the first support frame are arranged at intervals in the advancing direction of excavation,

[0008] The pipe section propulsion component includes a starting guide rail slidably connected with the pipe section assembly and a propulsion drive member for driving the pipe section assembly to move on the starting guide rail in the advancing direction of excavation, one end of the propulsion drive member is connected with the second support frame, and the other end of the propulsion drive member is connected with the pipe section assembly,

[0009] The air pipe telescopic drive component is installed on the first support frame, the other end of the air pipe telescopic drive member is connected with one end of the first air pipe close to the second air pipe, and the air pipe telescopic drive member is used for driving the first air pipe to be telescopic.

[0010] Further, the first air pipe is provided as a soft air pipe structure with a framework.

[0011] Further, detachable connection structures are arranged on both ends of the second air pipe, and the detachable connection structures are arranged as any one or a combination of more than two of mounting interfaces, mounting flanges, clamps, buckles or buckle structures.

[0012] Further, the pipe joint assembly comprises a top ring, a top iron and a pipe joint connected in sequence along the advancing direction of the tunneling, starting from the first support frame.

[0013] A half pipe is further arranged on the end of the pipe joint away from the top iron.

[0014] Further, a support hook is further arranged on the half pipe, and the support hook is used for fixing the steel wire rope.

[0015] Further, in addition to the above structure, the air pipe extension installation device of the pipe jacking machine further comprises a second support frame arranged between the first support frame and the top ring.

[0016] The air pipe telescopic driving assembly comprises a steel wire rope elastic reel, a pulley assembly, a hanging point, a support hook and a steel wire rope, the steel wire rope elastic reel is mounted on the first support frame, the pulley assembly is arranged on the second support frame, the steel wire rope on the steel wire rope elastic reel is extended to the pipe joint assembly along the tunneling direction through the pulley assembly, and the steel wire rope can be extended along with the advancement of the pipe joint; and the hanging point connects the steel wire rope and the end of the first air pipe close to the second air pipe.

[0017] Compared with the prior art, the air pipe extension installation device of the pipe jacking machine has the following beneficial effects:

[0018] The air pipe extension installation device of the pipe jacking machine provided by the utility model, according to the pipe jacking machine advancement and pipe joint changing characteristics, utilizes the reel, the telescopic flexible air pipe and the fan to send fresh air outside the hole into the pipe joint, the air pipe extension mode is simple in structure, convenient to operate, guarantees the ventilation requirement to a certain extent, reduces the installation time and improves the construction efficiency.

[0019] In addition to the purposes, characteristics and advantages described above, the utility model has other purposes, characteristics and advantages. The utility model will be further described below with reference to the drawings. DRAWINGS

[0020] The drawings that form a part of this application are intended to provide a further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0021] Figure 1 is the overall structure schematic view of the air pipe extension installation device of the pipe jacking machine in the utility model embodiment;

[0022] Figure 2 isFigure 1 A-A sectional view;

[0023] Figure 3 is Figure 1 B-B sectional view;

[0024] Figure 4 is Figure 1 C-C sectional view;

[0025] Figure 5 is Figure 1 D-D sectional view;

[0026] Figure 6 is Figure 1 E-E sectional view;

[0027] Figure 7 is Figure 1 F-F sectional view.

[0028] Wherein:

[0029] 1, fan, 2, steel wire rope elastic reel, 3, pulley assembly, 4, first air pipe, 5, second air pipe, 6, mounting interface, 7, hanging point, 8, bracket hook, 9, backrest, 10, first support frame, 11, second support frame, 12, push cylinder, 13, top ring, 14, top iron, 15, originating guide rail, 16, pipe joint, 17, half pipe, 18, steel wire rope. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the utility model and the like more clear and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings. It should be noted that the drawings of the utility model all adopt a simplified form and all use non-accurate proportions, and are only used to facilitate and clearly assist in explaining the implementation of the utility model; the number of several mentioned in the utility model is not limited to the specific number in the drawing example; the 'front','middle','rear', 'left', 'right', 'top', 'bottom', 'top', 'bottom','middle' and the like mentioned in the utility model indicate the orientation or positional relationship, which is based on the orientation or positional relationship shown in the drawings of the utility model, and does not indicate or imply that the device or part referred to must have a specific orientation, nor can it be understood as a limitation on the utility model.

[0031] Embodiment:

[0032] Referring to Figures 1 to 7 shown, the pipe jacking machine air pipe extension mounting device provided by the utility model comprises a rack assembly and a fan 1, a steel wire rope elastic reel 2, a pulley assembly 3, a first air pipe 4, a second air pipe 5, a mounting interface 6, a hanging point 7 and a bracket hook 8 arranged on the rack assembly.

[0033] The rack assembly comprises a first support frame 10, a second support frame 11 and a starting guide rail 15; two rear rests 9 are arranged on two end faces of the first support frame 10 along the tunneling direction, and the two rear rests 9 are fixedly connected with the first support frame 10; the second support frame 11 is provided with two pieces which are arranged at intervals along the tunneling direction, and one of the second support frames 11 is arranged at intervals along the tunneling direction with the first support frame 10; the starting guide rail 15 is laid along the tunneling direction, and one end of the starting guide rail 15 is connected with the other second support frame 11.

[0034] The fan 1 is arranged on the first support frame 10, and the outlet of the fan 1 is connected with one end of the first air pipe 4 through a flange, and the other end of the first air pipe 4 is connected with the second air pipe 5 arranged in the pipe joint 16 through a mounting interface 6, so that the air transported by the fan 1 can be transmitted through the first air pipe 4 and the second air pipe 5.

[0035] The steel wire rope elastic winding drum 2 is arranged on the end face of the rear rest 9 away from the first support frame 10, and the pulley assembly 3 is arranged on the second support frame 11, so that the steel wire rope 18 arranged on the steel wire rope elastic winding drum 2 can extend to the pipe joint 16 through the pulley assembly 3 along the tunneling direction, and can extend with the advancing of the pipe joint 16.

[0036] One end of the advancing oil cylinder 12 is fixedly connected with the end face of the rear rest 9 away from the first support frame 10, and the other end of the advancing oil cylinder 12 is fixedly connected with the end face of the top ring 13 opposite to the rear rest 9; the top ring 13, the top iron 14 and the pipe joint 16 are arranged on the starting guide rail 15 in sequence from the direction close to the second support frame 11 to the direction away from the second support frame 11 along the tunneling direction, so as to drive the displacement of the top ring 13, the top iron 14 and the pipe joint 16 on the starting guide rail 15 through the driving of the advancing oil cylinder 12.

[0037] Further, the hanging point 7 is arranged above the first air pipe 4 and hung on the steel wire rope 18 through the hanging point 7, so that the first air pipe 4 can stretch and contract with the advancing of the pipe joint 16.

[0038] Further, the first air pipe 4 is preferably arranged as a soft air pipe structure with a framework.

[0039] Further, the mounting interface 6 is arranged on both ends of the second air pipe 5, so as to facilitate the disassembly and assembly of the pipe joint 16.

[0040] Further, the half pipe 17 is arranged on the end of the pipe joint 16 away from the top iron 14, and the half pipe 17 is arranged in the pipe joint 16 in a matched manner.

[0041] Further, the bracket hook 8 is arranged on the half pipe 17, and the bracket hook 8 is used for fixing the steel wire rope 18.

[0042] Further, the second air pipe 5 is installed in the pipe joint 16 and the half pipe 17 in advance outside the hole.

[0043] As a further embodiment of the utility model, the specific process of installing the second air pipe 5 by using the pipe jacking machine air pipe extension installation device is as follows:

[0044] After the installation of the pipe jacking machine air pipe extension installation device is completed, the installation state of the first section of the second air pipe 5 is formed;

[0045] After the installation of the first section of the second air pipe 5 is completed, the steel wire rope 18 connected with the bracket hook 8 in the pipe section is taken down together with the first air pipe 4 and is retracted with the pushing oil cylinder 12, the pipe section 16 and the half pipe 17 with the installed second air pipe 5 are spliced at the tail of the pipe section that has been pushed, the second air pipe 5 in the two pipe sections is quickly connected through the installation interface 6, the steel wire rope 18 is connected with the bracket hook 8 in the newly spliced pipe section, the first air pipe 4 and the second air pipe 5 in the newly connected pipe section 16 are connected through the installation interface 6, and the next pushing process is continued.

[0046] The above only describes the preferred embodiments of the utility model and is not used for limiting the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A ducting extension mounting device for a pipe jacking machine, characterised in that, The utility model provides a tunneling wind pipe system, which comprises a first support frame (10), a fan (1), a wind pipe assembly, a pipe joint advancing assembly and a wind pipe telescopic driving assembly. The fan (1) is installed on the first support frame (10). The wind pipe assembly comprises a first wind pipe (4) and a second wind pipe (5) which are detachably connected to each other, one end of the first wind pipe (4) away from the second wind pipe (5) is connected to an air outlet of the fan (1), and one end of the second wind pipe (5) away from the first wind pipe (4) is arranged to extend along the advancing direction of tunneling. The pipe joint assembly and the first support frame (10) are arranged to be spaced apart from each other along the advancing direction of tunneling. The pipe joint advancing assembly comprises a starting guide rail (15) which is slidably connected to the pipe joint assembly and a pipe joint advancing drive which is used to drive the pipe joint assembly to advance along the advancing direction of tunneling on the starting guide rail (15), one end of the pipe joint advancing drive is connected to the first support frame (10), and the other end of the pipe joint advancing drive is connected to the pipe joint assembly. The wind pipe telescopic driving assembly is installed on the first support frame (10), the other end of the wind pipe telescopic driving assembly is connected to one end of the first wind pipe (4) close to the second wind pipe (5), and the wind pipe telescopic driving assembly is used to drive the first wind pipe (4) to telescope.

2. The bell and spigot pipe jacking machine pipe extension installation apparatus of claim 1, wherein, The first wind pipe (4) is arranged in the form of a soft wind pipe with a framework.

3. The bell and spigot pipe jacking machine pipe extension installation apparatus of claim 1, wherein, Detachable connection structures are arranged on both ends of the second wind pipe (5), and the detachable connection structures are arranged in the form of any one or a combination of two or more of an installation interface, an installation flange, a clamp, a buckle or a buckle belt structure.

4. The ducting extension installation apparatus of any one of claims 1-3, wherein, The pipe joint assembly comprises a top ring (13), a top iron (14) and a pipe joint (16) which are connected in sequence along the advancing direction of tunneling and close to the second support frame (11). A half pipe (17) is further arranged on one end of the pipe joint (16) away from the top iron (14), and the half pipe (17) is arranged in a matched mode with the pipe joint (16).

5. The bell and spigot pipe jacking machine pipe extension installation apparatus of claim 4, wherein, A support hook (8) is further arranged on the half pipe (17), and the support hook (8) is used to fix a steel wire rope (18).

6. The bell and spigot pipe jacking machine pipe extension installation apparatus of claim 5, wherein, A second support frame (11) is further arranged between the first support frame (10) and the top ring (13). The wind pipe telescopic driving assembly comprises a steel wire rope elastic winding drum (2), a pulley assembly (3), a hanging point (7), a support hook (8) and a steel wire rope (18), the steel wire rope elastic winding drum (2) is installed on the first support frame (10), the pulley assembly (3) is arranged on the second support frame (11), the steel wire rope (18) on the steel wire rope elastic winding drum (2) extends to the pipe joint assembly along the tunneling direction through the pulley assembly (3) and can extend with the advancing of the pipe joint (16), and the hanging point (7) connects the steel wire rope (18) and one end of the first wind pipe (4) close to the second wind pipe (5).

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