Hoisting beam device for assembling chamber of underground coal mine TBM (Tunnel Boring Machine)

Abstract

The utility model relates to the technical field of underground hoisting, in particular to an underground coal mine TBM (Tunnel Boring Machine) assembly chamber hoisting beam device, which comprises hoisting units fixed on the top wall of a chamber, the hoisting units are symmetrically distributed on two sides of the top wall of the chamber and are laid along the length direction of the chamber, and the hoisting units are of I-shaped hoisting beam structures. And the top is fixed on the top wall of the chamber, so that the device has the advantages of safety, firmness, convenience in installation and capability of saving the space of the chamber to the greatest extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of underground hoisting, and particularly relates to a coal mine underground TBM tunneling machine assembly chamber hoisting beam device. BACKGROUND

[0002] With the continuous development of coal mining technology, underground tunneling equipment is gradually moving towards automation and advancement. In recent years, TBM tunneling machines play an increasingly important role in coal mine roadway tunneling work. They are favored by many mining enterprises because of their high degree of automation, fast construction speed, labor saving, safety and economy, and other construction advantages.

[0003] The assembly operation of the TBM tunneling machine is the first step in the construction process. The tunneling machine has large size and heavy weight of the largest non-detachable component. It is challenging to complete the assembly of large tunneling equipment in the limited space underground. The entire hoisting and assembly process has many safety hazards, and the installation period is long. The firmness and stability of the hoisting beam are highly required. Safe and economic assembly work is a problem that needs to be solved for coal mines using TBM tunneling machine technology

[0004] Therefore, it is necessary to design a safe and firm hoisting beam device that is easy to install and saves chamber space to the greatest extent. UTILITY MODEL CONTENT

[0005] (I) Technical problem

[0006] The utility model aims to solve at least the problem of insufficient installation firmness caused by limited installation space in the prior art.

[0007] (II) Technical content

[0008] The present scheme provides a coal mine underground TBM tunneling machine assembly chamber hoisting beam device, which is achieved by the following specific technical means: including a hoisting unit fixed on the top wall of the chamber;

[0009] The hoisting units are symmetrically distributed on both sides of the top wall of the chamber, and the hoisting units are laid along the length direction of the chamber. The hoisting unit is an I-shaped hoisting beam structure.

[0010] Optimal technical solution one: the hoisting units are sequentially spliced in the length direction of the chamber, the hoisting unit tail end top side has a connecting plate, and the bottom side has a supporting plate. When the front and rear two groups of hoisting unit end heads are spliced and assembled, the connecting plate and the supporting plate are overlapped at the connection position of the two groups of hoisting units.

[0011] Optimal technical solution two: the connecting plate extends out of the outer end of the hoisting unit and is fixed to the front and rear two groups of hoisting units by bolts.

[0012] Preferably, a group of hoisting beam fixing bases are welded on the top of the hoisting unit at intervals, anchor cable holes are reserved on both sides of the hoisting beam fixing bases, and the anchor cables fixed on the top wall of the chamber pass through the anchor cable holes and are fixed.

[0013] Preferably, angle iron bolt holes are formed on the hoisting unit, and the left and right groups of hoisting units are fixed through the angle iron.

[0014] (Three) technical effects

[0015] The above structure makes the present application have the following beneficial effects:

[0016] 1. The present application has the advantages of safety, firmness, easy installation, and maximum saving of chamber space.

[0017] 2. The hoisting unit is firmly installed through the anchor rod connection on the top of the chamber. DETAILED DESCRIPTION

[0018] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0019] Figure 1 It is a whole structure schematic view of the present application;

[0020] Figure 2 It is a use state view of the present application;

[0021] Figure 3 It is a longitudinal structure view of the present application;

[0022] Figure 4 It is a plan view of the hoisting unit of the present application;

[0023] Figure 5 It is an A-A sectional view of the hoisting unit of the present application;

[0024] Figure 6 It is a 1-1 sectional view of the hoisting unit of the present application;

[0025] Figure 7 It is a 2-2 sectional view of the hoisting unit of the present application;

[0026] Figure 8 It is a chamber top structure view of the present application.

[0027] Wherein, 1, hoisting unit, 11, angle iron bolt hole, 2, connecting plate, 21, reserved bolt hole, 3, supporting plate, 4, hoisting beam fixing base, 41, anchor cable hole, 5, angle iron, 6, chamber, 7, anchor cable. DETAILED DESCRIPTION

[0028] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments; on the basis of the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0029] Please refer to Figures 1-7 , the coal mine underground TBM tunneling machine assembly chamber hoisting beam device, including the fixed hoisting unit 1 in the chamber 6 top wall, the hoisting unit 1 is distributed symmetrically on both sides of the chamber 6 top wall, and the hoisting unit 1 is laid along the length direction of the chamber 6;

[0030] The hoisting unit 1 is an I-shaped hoisting beam structure, and the height is preferably 630mm, so that sufficient space is flowed below, the hoisting unit 1 is sequentially spliced in the length direction of the chamber 6 (the length of each group of hoisting unit 1 is preferably 2000mm), so that the length of the chamber 6 is adapted, a group of hoisting beam fixing base 4 is welded at every interval (preferably 800mm) on the top of the hoisting unit 1, the height of the hoisting beam fixing base 4 is 130mm, the anchor cable hole 41 is reserved on both sides of the hoisting beam fixing base 4, the anchor cable 7 fixed on the top wall of the chamber 6 is fixedly connected with the hoisting beam fixing base 4 after passing through the anchor cable hole 41, the assembly of the hoisting unit 1 and the top wall of the chamber 6 is realized, and the stability of the installation of the hoisting unit 1 is increased;

[0031] The I-shaped hoisting beam and the hoisting beam fixing base 4 are all processed by Q345 steel plate, and the processing precision is required to be guaranteed, and continuous welding is required, and the welding load of a single hoisting beam fixing base 4 should not be less than 500KN.

[0032] Please refer to Figure 1 and Figures 4-6 , the coal mine underground TBM tunneling machine assembly chamber 6 hoisting beam device, the tail end top side of the hoisting unit 1 is welded with a connecting plate 2, and the bottom side is welded with a supporting plate 3, when the front and rear two groups of hoisting unit 1 end heads are spliced and assembled, the connecting plate 2 and the supporting plate 3 are overlapped at the connecting position of the two groups of hoisting unit 1;

[0033] The outer end of the connecting plate 2 extending out of the hoisting unit 1 is provided with a reserved bolt hole 21, and the top of the front end of the hoisting unit 1 is also provided with a corresponding reserved bolt hole 21, which is used for fixing the front and rear two groups of hoisting unit 1 by screwing through the reserved bolt hole 21 on the connecting plate 2 and the opposite reserved bolt hole 21 on the hoisting unit 1;

[0034] The outer end of the supporting plate 3 extending out of the hoisting unit 1 is used for supporting the front end of another group of hoisting unit 1 from the bottom side, which plays an auxiliary supporting role.

[0035] Please refer to Figure 4 and Figure 8The lifting beam device of the TBM tunneling machine assembly chamber 6 is fixed through the angle iron bolt hole 11 between the left and right two groups of lifting units 1 and the angle iron 5 fixedly laid on the top of the chamber 6 through the bolt, so as to prevent the mutual displacement between the lifting units 1.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A coal mine underground TBM heading machine assembly cavern hoisting beam device, characterized in that: The hoisting unit (1) is fixed on the top wall of the chamber (6); The hoisting units (1) are symmetrically distributed on both sides of the top wall of the chamber (6), and the hoisting units (1) are laid along the length direction of the chamber (6); The hoisting unit (1) is in the shape of an I-beam, a group of hoisting beam fixing bases (4) are welded on the top of the hoisting unit (1) at intervals, anchor cable holes (41) are reserved on both sides of the hoisting beam fixing bases (4), and the anchor cables (7) fixed on the top wall of the chamber (6) are fixed after passing through the anchor cable holes (41).

2. The coal mine underground TBM tunneling machine assembly chamber hoisting beam device according to claim 1, characterized in that: The hoisting units (1) are sequentially spliced in the length direction of the chamber (6).

3. The coal mine underground TBM heading machine assembly chamber lifting beam device according to claim 2, characterized in that: A connecting plate (2) is welded on the top side of the tail end of the hoisting unit (1), and a supporting plate (3) is welded on the bottom side, the connecting plate (2) and the supporting plate (3) are arranged on the connecting position of the two groups of hoisting units (1).

4. The coal mine underground TBM heading machine assembly chamber lifting beam device according to claim 3, characterized in that: The outer end of the connecting plate (2) extending out of the hoisting unit (1) is fixed to the front end of the other group of hoisting units (1) through bolts.

5. The coal mine underground TBM heading machine assembly chamber hoisting beam device according to claim 1, characterized in that: The two groups of hoisting units (1) are fixed through angle irons (5).

6. The coal mine underground TBM heading machine assembly chamber hoisting beam device according to claim 1, characterized in that: The hoisting unit (1) and the hoisting beam fixing base (4) are both made of Q345 steel plates.

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