Ventilation pipe protection device

Abstract

The utility model belongs to the technical field of lining construction, and provides a ventilation pipe protection device which comprises a protection single piece. Each protection single piece comprises an adjustable connecting frame and a ventilation pipe protection piece. The adjustable connecting frame comprises a first connecting frame, a second connecting frame and a third connecting frame, the first connecting frame and the second connecting frame are connected in an adjustable mode in the vertical direction, and the second connecting frame is arranged on the third connecting frame in an adjustable mode in the horizontal direction. The ventilation pipe protection piece comprises a first protection section and a second protection section, and the first protection section is connected with the third connecting frame. The second protection section is detachably arranged on the first protection section, and the first protection section and the second protection section are combined to form a containing cavity for containing the ventilation pipe; rolling pieces are arranged on the wall face, making contact with the ventilation pipe, of the first protection section and / or the wall face, making contact with the ventilation pipe, of the second protection section. Through the unique combination of the adjustable connecting frame and the ventilation pipe protection piece, the ventilation pipe protection device can adapt to different ventilation pipes, and the ventilation pipe protection device is adjustable and can be suitable for tunnel lining construction.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, and specifically to a ventilation pipe protection device used in the process of tunnel lining construction. Background Art

[0002] During tunnel lining construction, the lining trolley will move forward in the tunnel longitudinally, and the ventilation pipe needs to pass through the lining trolley. When the ventilation pipe enters and exits the lining trolley, it will bend at both ends of the trolley portal. When the lining trolley moves, the ventilation pipe and the lining trolley will move relative to each other, and the outer skin of the ventilation pipe will directly scrape against the trolley portal, which can easily damage the ventilation pipe.

[0003] At present, the protective device of the ventilation pipe during the tunnel lining construction is fixed in position and cannot be adjusted. In addition, the ventilation pipe is in direct contact with the fixing device, resulting in large friction resistance and the risk of damage.

[0004] In summary, there is an urgent need for a ventilation pipe protection device that is simple in structure, adjustable and suitable for use in the tunnel lining construction process to solve the problems existing in the prior art. Utility Model Content

[0005] The utility model aims to provide a ventilation pipe protection device which is simple in structure, adjustable and suitable for tunnel lining construction. The specific technical scheme is as follows:

[0006] A ventilation pipe protection device comprises one or at least two protection units arranged in parallel;

[0007] The protection unit includes an adjustable connection frame and a ventilation pipe protection member;

[0008] The adjustable connecting frame includes a connecting frame 1, a connecting frame 2 and a connecting frame 3, wherein the connecting frame 1 is adjustably connected to the connecting frame 2 in a vertical direction, and the connecting frame 2 is adjustably arranged on the connecting frame 3 in a horizontal direction;

[0009] The ventilation pipe protection member includes a first protection segment and a second protection segment, the first protection segment is connected to the connecting frame; the second protection segment is detachably arranged on the first protection segment and the first protection segment and the second protection segment are combined to form a accommodating cavity for accommodating the ventilation pipe; a rolling member is provided on the wall surface where the first protection segment contacts the ventilation pipe and / or the wall surface where the second protection segment contacts the ventilation pipe, and the rolling direction of the rolling member is the same as the movement direction of the ventilation pipe.

[0010] Preferably, more than two of the protection units are arranged in parallel along the length direction of the ventilation pipe; or, more than two of the protection units are arranged in parallel along the diameter direction of the ventilation pipe.

[0011] Preferably, the connecting frame 1 and the connecting frame 2, as well as the connecting frame 2 and the connecting frame 3 are connected via a combination of connecting holes, connecting columns and locking pieces.

[0012] Preferably, the second protection segment includes a connection unit or a plurality of connection units detachably arranged in series; the two free ends of the second protection segment are butted with the two free ends of the first protection segment to form an annular structure matching the outer contour of the ventilation pipe.

[0013] Preferably, the first protection segment and the second protection segment as well as the plurality of connection units are detachably connected via connecting ear plates and locking and limiting members.

[0014] Preferably, the rolling element comprises a connecting shaft and a roller rotatably arranged on the connecting shaft, and the connecting shaft is arranged on the first protection segment or the second protection segment.

[0015] Preferably, the connecting shaft is welded to the inner wall of the first protection segment or the second protection segment, or the connecting shaft is detachably arranged on the inner wall of the first protection segment or the second protection segment via an ear seat.

[0016] Preferably, a plurality of rolling elements are arranged in parallel along the circumference of the ventilation pipe on the wall surface of the first protection section in contact with the ventilation pipe and / or on the wall surface of the second protection section in contact with the ventilation pipe.

[0017] Preferably, the ventilation pipe protection member is an annular structure member or a columnar structure member.

[0018] The application of the technical solution of the utility model has the following beneficial effects:

[0019] (1) The ventilation pipe protection device of the utility model comprises one or at least two protection units arranged in parallel; the protection unit comprises an adjustable connecting frame and a ventilation pipe protection unit; the adjustable connecting frame comprises a connecting frame 1, a connecting frame 2 and a connecting frame 3, the connecting frame 1 is adjustably connected to the connecting frame 2 along the vertical direction, and the connecting frame 2 is adjustably arranged on the connecting frame 3 along the horizontal direction; the ventilation pipe protection unit comprises a first protection segment and a second protection segment, the first protection segment is connected to the connecting frame 3; the second protection segment is detachably arranged on the first protection segment and the first protection segment and the second protection segment are combined to form a housing cavity for accommodating the ventilation pipe; a rolling element is provided on the wall surface where the first protection segment contacts the ventilation pipe and / or the wall surface where the second protection segment contacts the ventilation pipe.

[0020] One or at least two protective units arranged in parallel are used to meet the ventilation requirements in different construction environments.

[0021] The utility model can adapt to different ventilation pipes through the unique combination of an adjustable connecting frame and a ventilation pipe protective member, and the ventilation pipe protective device is adjustable and can be suitable for tunnel lining construction. Specifically: the protective single piece adopts a combination of an adjustable connecting frame and a ventilation pipe protective member, and the adjustable connecting frame can realize adjustment in two dimensions, namely vertical and horizontal directions, and can adjust the position of the ventilation pipe according to the actual situation on site to prevent the ventilation pipe from interfering with the lining trolley, which is conducive to the ventilation pipe passing through the lining trolley; the second protection section is detachably arranged on the first protection section, and the first protection section and the second protection section are combined to form a accommodating cavity for accommodating the ventilation pipe, which is convenient for adapting to ventilation pipes of different specifications, shapes and other characteristics; rolling parts are provided on the wall surface where the first protection section contacts the ventilation pipe and / or the wall surface where the second protection section contacts the ventilation pipe, which can effectively reduce the friction between the ventilation pipe and the protective single piece, facilitate the movement of the ventilation pipe, and can both reduce the damage to the ventilation pipe and achieve the effect of convenient movement.

[0022] (2) In the present invention, two or more protective elements are arranged in parallel along the length direction of the ventilation pipe to adapt to the length of the ventilation pipe and facilitate the adjustment of the ventilation pipe; or, two or more protective elements are arranged in parallel along the diameter direction of the ventilation pipe to meet the adjustment requirements of different numbers of ventilation pipes, which is highly practical.

[0023] (3) In the present invention, the connection frame 1 and the connection frame 2, as well as the connection frame 2 and the connection frame 3 are connected by a combination of connection holes, connection columns and locking members. The connection is made by a combination of connection holes, connection columns and locking members (such as nuts, etc.), and the component structure is simple and easy to install and disassemble.

[0024] (4) In the present invention, the second protection segment includes a connection unit or multiple connection units that are detachably arranged in series; the two free ends of the second protection segment are connected to the two free ends of the first protection segment to form an annular structure that matches the outer contour of the ventilation pipe. One or more connection units can be adapted to ventilation pipes of different diameters; the ventilation pipe protection piece is an annular structure that can provide all-round protection for the circumference of the ventilation pipe, which is convenient for adjustment. The first protection segment and the second protection segment, as well as the multiple connection units, are detachably connected through connecting ear plates and locking limiters, which is convenient for installation and disassembly.

[0025] (5) The rolling element described in the utility model includes a connecting shaft and a roller rotatably arranged on the connecting shaft. The connecting shaft is arranged on the first protection section or the second protection section, and has a simple structure. It ensures that the ventilation pipe contacts the ventilation pipe protection device in a rolling manner during the ventilation pipe adjustment process, thereby reducing damage to the ventilation pipe. The connecting shaft is welded or detachably arranged to meet different application scenarios, and has strong practicality. A plurality of rolling elements are arranged in parallel along the circumference of the ventilation pipe on the wall surface where the first protection section contacts the ventilation pipe and / or on the wall surface where the second protection section contacts the ventilation pipe. The design of the plurality of rolling elements, on the one hand, reduces the contact area between the ventilation pipe and the ventilation pipe protection device, and on the other hand, failure of some rolling elements does not affect the adjustment of the entire ventilation pipe, and has strong practicality.

[0026] (6) The ventilation duct protection member in the utility model is an annular structure member or a columnar structure member, which can meet different needs. In particular, when an annular structure is adopted, the weight can be greatly reduced, which is convenient for the installation and disassembly of the ventilation duct protection member. At the same time, the ventilation duct protection member has a simple structure, a high degree of interchangeability, and can be reused.

[0027] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0029] Figure 1 It is a schematic diagram of the structure after the ventilation pipe protection device in Example 1 is assembled on the lining trolley;

[0030] Figure 2 yes Figure 1 Schematic diagram of the structure of the central ventilation duct protection device;

[0031] Figure 3 yes Figure 1 A schematic diagram of the structure of the connection between the middle connecting frame 1, the connecting frame 2, the connecting frame 3 and the first protection section before and after the position is adjusted in the horizontal direction;

[0032] Figure 4 yes Figure 1 Schematic diagram of the explosion structure of the adjustable connecting frame;

[0033] Figure 5 yes Figure 1 An enlarged view of the connection between the second protection section and the rolling element;

[0034] Among them, 1. Adjustable connecting frame, 1.1. Connecting frame 1, 1.2. Connecting frame 2, 1.3. Connecting frame 3, 1.4. Connecting hole; 2. Ventilation pipe protection part, 2.1. First protection section, 2.2. Second protection section, 2.3. Rolling part, 2.3.1. Connecting shaft, 2.3.2. Roller, 2.3.3. Steel bar, 2.4. Connecting ear plate, 2.5. Locking limit part; 3. Lining trolley. DETAILED DESCRIPTION

[0035] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0036] Example:

[0037] A ventilation pipe protection device, which includes one or at least two protection units arranged in parallel on the lining trolley 3, see Figure 1 (A protective unit is shown in the figure). In specific applications, the number and position of the protective units can be set according to actual needs, such as: more than two protective units are arranged in parallel along the length direction of the ventilation pipe to meet the adjustment requirements of ventilation pipes of different lengths. Alternatively, more than two protective units are arranged in parallel along the diameter direction of the ventilation pipe, and several protective units arranged in parallel can be used to adjust multiple ventilation pipes arranged in parallel at the same time.

[0038] The structure of the protection unit is shown in detail in Figure 2-Figure 5 Specifically, the protective unit includes an adjustable connecting frame 1 and a ventilation pipe protective component 2.

[0039] The adjustable connecting frame 1 includes a connecting frame 1.1, a connecting frame 2 1.2 and a connecting frame 3 1.3. The connecting frame 1 is arranged on the lining trolley 3 (can be connected by welding or detachably connected by bolts), and the connecting frame 1.1 is adjustably connected to the connecting frame 2 1.2 vertically, and the connecting frame 2 1.2 is adjustably arranged on the connecting frame 3 1.3 horizontally. Here, the connecting frame 1 is connected to the connecting frame 2 and the connecting frame 2 is connected to the connecting frame 3 by a combination of connecting holes, connecting columns and locking members, such as Figure 2-Figure 4 In the figure: the first connection frame 1.1 is provided with a plurality of connection holes 1.4 arranged along its height direction; the second connection frame 1.2 adopts an inverted T-shaped structure, with a plurality of connection holes 1.4 arranged along its height direction at its upper end and a plurality of connection holes 1.4 arranged horizontally at its lower end; the third connection frame 1.3 is provided with a plurality of connection holes 1.4 arranged horizontally. The first connection frame and the second connection frame, as well as the second connection frame and the third connection frame are detachably connected through connection holes, bolts and nuts.

[0040] The ventilation pipe protection part 2 includes a first protection section 2.1 and a second protection section 2.2, wherein the first protection section 2.1 is connected to the connecting frame 1.3 (can be connected by welding); the second protection section 2.2 is detachably arranged on the first protection section 2.1 and the first protection section and the second protection section are combined to form a housing cavity for accommodating the ventilation pipe; a rolling element is arranged on the wall surface where the first protection section 2.1 contacts the ventilation pipe and / or on the wall surface where the second protection section 2.2 contacts the ventilation pipe, and the rolling direction of the rolling element is the same as the movement direction of the ventilation pipe. Preferably here:

[0041] The second protection section 2.2 includes a connection unit or a plurality of connection units detachably arranged in series ( Figure 2 The figure shows a semicircular first protection section 2.1 and a semicircular second protection section 2.2 formed by three connection units arranged in series; the two free ends of the second protection section 2.2 are connected to the two free ends of the first protection section 2.1 to form a ring structure matching the outer contour of the ventilation pipe. The first protection section 2.1 and the second protection section 2.2 and the multiple connection units are detachably connected by connecting ear plates 2.4 and locking limiters 2.5 (preferably a combination of bolts and nuts).

[0042] The rolling element 2.3 comprises a connecting shaft 2.3.1 and a roller 2.3.2 rotatably arranged on the connecting shaft. Figure 5 , the connecting shaft 2.3.1 is arranged on the first protection section or the second protection section. Here preferably, the two ends of the connecting shaft 2.3.1 are respectively welded to the inner wall of the first protection section or the second protection section by steel bars 2.3.3 ( Figure 5 The rolling element is shown to be arranged on the second protection segment. In addition, the connecting shaft can also be detachably arranged on the inner wall of the first protection segment or the second protection segment through an ear seat.

[0043] In the utility model, a plurality of rolling elements are arranged in parallel along the circumference of the ventilation pipe on the wall surface where the first protection section contacts the ventilation pipe and / or on the wall surface where the second protection section contacts the ventilation pipe. Figure 1 and Figure 2 It is shown in the figure that a plurality of rolling elements are arranged in parallel on the second protection section.

[0044] In this embodiment, the ventilation pipe protection member 2 is an annular structure member or a columnar structure member.

[0045] When using the ventilation pipe protection device of this embodiment, the adjustable connecting frame 1 and the ventilation pipe protection member 2 are first assembled according to the specifications of the ventilation pipe, and then the adjustable connecting frame 1 is assembled on the lining trolley 3, and finally the ventilation pipe is passed through the ventilation pipe protection member. According to the construction requirements, the ventilation pipe is adjusted manually or by mechanical equipment.

[0046] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A ventilation pipe protection device, characterized in that: It includes one or at least two protective units arranged in parallel; The protective unit comprises an adjustable connecting frame (1) and a ventilation pipe protective member (2); The adjustable connecting frame (1) comprises a connecting frame 1 (1.1), a connecting frame 2 (1.2) and a connecting frame 3 (1.3); the connecting frame 1 (1.1) is adjustably connected to the connecting frame 2 (1.2) in a vertical direction, and the connecting frame 2 (1.2) is adjustably arranged on the connecting frame 3 (1.3) in a horizontal direction; The ventilation pipe protection member (2) comprises a first protection segment (2.1) and a second protection segment (2.2), wherein the first protection segment (2.1) is connected to a connecting frame 3 (1.3); the second protection segment (2.2) is detachably arranged on the first protection segment (2.1), and the first protection segment and the second protection segment are combined to form a housing cavity for housing the ventilation pipe; a rolling member is arranged on a wall surface of the first protection segment in contact with the ventilation pipe and / or on a wall surface of the second protection segment in contact with the ventilation pipe, and the rolling direction of the rolling member is the same as the movement direction of the ventilation pipe.

2. The ventilation pipe protection device according to claim 1, characterized in that: More than two protection units are arranged in parallel along the length direction of the ventilation pipe; or more than two protection units are arranged in parallel along the diameter direction of the ventilation pipe.

3. The ventilation pipe protection device according to claim 1, characterized in that: The connection frame 1 (1.1) and the connection frame 2 (1.2) as well as the connection frame 2 (1.2) and the connection frame 3 (1.3) are connected via a combination of connection holes, connection columns and locking pieces.

4. The ventilation pipe protection device according to claim 1, characterized in that: The second protection section (2.2) comprises a connection unit or a plurality of connection units detachably arranged in series; the two free ends of the second protection section (2.2) are butted against the two free ends of the first protection section (2.1) to form an annular structure matching the outer contour of the ventilation pipe.

5. The ventilation pipe protection device according to claim 4, characterized in that: The first protection section (2.1) and the second protection section (2.2) as well as the plurality of connection units are detachably connected via connection ear plates and locking and limiting components.

6. The ventilation pipe protection device according to any one of claims 1 to 5, characterized in that: The rolling element comprises a connecting shaft and a roller rotatably arranged on the connecting shaft, and the connecting shaft is arranged on the first protection segment or the second protection segment.

7. The ventilation pipe protection device according to claim 6, characterized in that: The connecting shaft is welded to the inner wall of the first protection section or the second protection section, or the connecting shaft is detachably arranged on the inner wall of the first protection section or the second protection section via an ear seat.

8. The ventilation pipe protection device according to any one of claims 1 to 5, characterized in that: A plurality of rolling elements are arranged in parallel along the circumference of the ventilation pipe on the wall surface of the first protection section in contact with the ventilation pipe and / or on the wall surface of the second protection section in contact with the ventilation pipe.

9. The ventilation pipe protection device according to claim 1, characterized in that: The ventilation pipe protection member (2) is an annular structural member or a columnar structural member.

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