Monorail crane suspension trolley for mining TBM (tunnel boring machine)

Abstract

The utility model belongs to the technical field of mining TBM structures, and particularly provides a monorail crane suspension trolley for a mining TBM, which comprises a track, a power component, a walking trolley and a trolley frame, a plurality of trolley frames are arranged at intervals; the power assembly is connected with a plurality of trolley frames at the same time and used for providing a power source for the walking trolley. The power assembly and the trolley frames are hinged through connecting assemblies, and every two adjacent trolley frames are hinged through connecting assemblies. The walking trolley is connected with the trolley frame and the track and used for driving the trolley frame to move on the track. According to the monorail crane suspension trolley, the power assemblies and the trolley frames are hinged through the connecting assemblies, and every two adjacent trolley frames are hinged through the connecting assemblies, so that the monorail crane suspension trolley is more flexible in turning and convenient to maintain.

Description

Technical Field

[0001] This utility model belongs to the technical field of mining TBM structure technology, and relates to a monorail suspension trolley for mining TBM. Background Technology

[0002] Monorail systems are widely used in underground coal mines for transporting materials, equipment, and personnel, and the existing technology is relatively mature. Mining TBMs typically use rubber-tired transport systems, which have a large turning radius and are difficult to relocate. Therefore, integrating monorail tracks into TBM transport systems is being considered. This not only improves tunnel space utilization but also allows the trolley to move forward and backward, facilitating relocation. Furthermore, the monorail design significantly reduces the TBM's turning radius. Utility Model Content

[0003] In view of the fact that existing supporting transportation methods are cumbersome, complex and occupy a lot of shaft space, this utility model proposes a monorail suspension trolley for mining TBMs that is simple in structure and easy to operate.

[0004] This utility model provides a monorail suspension trolley for mining TBMs, including a track, a power assembly, a traveling trolley, and a trolley frame;

[0005] The trolley frame is provided with multiple components arranged at intervals between each other;

[0006] The power assembly is connected to multiple trolley frames to provide a power source for the traveling trolley; and the power assembly and the trolley frames, as well as the adjacent trolley frames, are all hinged together by connecting components.

[0007] The traveling trolley connects the trolley frame and the track, and is used to move the trolley frame on the track.

[0008] Furthermore, the connecting assembly includes a ball head and a connector;

[0009] The ball head has two parts that are spaced apart from each other, and the two ball heads are connected to each other by a connector.

[0010] Furthermore, the ball head and the connector are fixed together by welding, and a reinforcing sleeve is also provided at the connection between the ball head and the connector. The reinforcing sleeve is fixed together with the ball head and with the connector by welding.

[0011] Furthermore, the ball head includes a hemispherical connecting part for connecting to two adjacent sets of trolleys and a cylindrical connecting part for connecting to a connector, wherein the hemispherical connecting part and the cylindrical connecting part are integrally formed.

[0012] Furthermore, the traveling trolley includes a first traveling frame and a first load-bearing wheel, a ball joint axle, and a first guide wheel disposed on the first traveling frame;

[0013] The first walking frame includes a first vertical section, a horizontal section, and a second vertical section connected in sequence, and the first vertical section, the horizontal section, and the second vertical section are connected to each other to form a U-shaped structure;

[0014] The first bearing wheel is provided with at least one set, and each set of the first bearing wheel has two pieces respectively disposed on the first vertical section and the second vertical section, with the two first bearing wheels disposed opposite to each other;

[0015] The ball joint shaft is located on the horizontal section and is used to connect to the trolley frame;

[0016] The first guide wheel is provided in at least one set. Each set of first guide wheels has two pieces respectively set on the first vertical section and the second vertical section, and the two first guide wheels are respectively connected to the track in a contact manner to guide the trolley frame when it is displaced.

[0017] Furthermore, the central axes of the first bearing wheels in a single set are set at an angle to each other, and the first bearing wheels in a single set are set at the rail web, and the outer arc surface of the first bearing wheel is connected to the end face of the rail web and rail head of the rail in a contact manner.

[0018] Furthermore, the included angle between the center bearings of the first load-bearing wheel in a single set is set to 10°-30°.

[0019] Furthermore, the central axis of the first guide wheel is set in the vertical direction, and the outer arc surface of the first guide wheel is connected to the rail head in a contact manner.

[0020] Furthermore, the ball joint shaft includes a first connecting part and a second connecting part that are connected to each other, and the first connecting part and the second connecting part are fixedly connected to each other by welding.

[0021] The first connecting part is connected to the horizontal section of the first traveling frame, and the second connecting part is fixedly connected to the trolley frame.

[0022] Furthermore, the first traveling frame is provided with mounting holes for movably connecting with the first connecting part of the ball joint shaft;

[0023] The first connecting part of the ball head shaft includes a first cylindrical segment, a hemispherical segment, and a second cylindrical segment connected in sequence along the vertical direction; the diameter of the first cylindrical segment is larger than the diameter of the mounting hole and the diameter of the second cylindrical segment, the diameter of the second cylindrical segment is smaller than the diameter of the mounting hole, and the mounting hole and the hemispherical segment are in multi-point contact.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] (1) The monorail suspension trolley for mining TBM provided by this utility model makes the monorail suspension trolley more flexible to turn and easier to maintain by using connecting components to hinge the power component and the trolley frame as well as the two adjacent trolley frames.

[0026] (2) In this utility model, two trolley frames are hinged together by ball joint tie rods and moved on the heavy rail by a traveling mechanism; the first bearing wheel in the traveling mechanism adopts a V-shaped inclined structure to adapt to small radius turns; and a first guide wheel is set to prevent derailment.

[0027] (3) The walking mechanism and the trolley in this utility model adopt a ball joint shaft and ball seat connection structure, which has an adjustment range of ±5° and can adapt to the slight deviation of the trolley's posture.

[0028] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0029] The accompanying drawings, which form 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 undue limitation of the present invention. In the drawings:

[0030] Figure 1 This is a schematic diagram of the overall structure of a monorail suspension trolley for a mining TBM according to an embodiment of this utility model.

[0031] Figure 2 yes Figure 1 A schematic diagram of the structure of the connecting component;

[0032] Figure 3 yes Figure 1 A schematic diagram of the first type of structure of the traveling trolley;

[0033] Figure 4 yes Figure 3 A side view diagram;

[0034] Figure 5 yes Figure 1 A schematic diagram of the second type of structure for the traveling trolley;

[0035] Figure 6 yes Figure 5 A side view diagram.

[0036] in:

[0037] 1. Front drive unit; 2. Traveling trolley; 2.1. First traveling frame; 2.2. First load-bearing wheel; 2.3. Ball joint shaft; 2.4. First guide wheel; 2.5. Second load-bearing wheel; 2.6. Second guide wheel; 2.7. Second traveling frame; 2.8. Connecting pin shaft; 3. Trolley frame; 4. Connecting assembly; 4.1. Ball joint; 4.2. Reinforcing sleeve; 4.3. Connecting piece; 5. Rear drive unit. Detailed Implementation

[0038] To make the above-mentioned objectives, features, and advantages of this utility model clearer and easier to understand, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be noted that the accompanying drawings of this utility model are all in a simplified form and use non-precise proportions, and are only used to facilitate and clearly assist in illustrating the implementation of this utility model; the "several" mentioned in this utility model are not limited to the specific number shown in the examples in the drawings; the directions or positional relationships indicated by "front," "middle," "rear," "left," "right," "up," "down," "top," "bottom," and "middle" mentioned in this utility model are all based on the directions or positional relationships shown in the accompanying drawings of this utility model, and do not indicate or imply that the device or component referred to must have a specific orientation, nor should they be construed as limitations on this utility model.

[0039] Example:

[0040] See Figure 1 As shown, the present invention provides a monorail suspension trolley for mining TBMs, comprising a track, a power assembly, a traveling trolley 2, and a trolley frame 3.

[0041] The power unit is connected to the trolley frame 3 and is used to provide a power source for the traveling trolley 2;

[0042] The traveling trolley 2 connects the trolley frame 3 and the track, and is used to drive the trolley frame 3 to move on the track.

[0043] Preferably, the power assembly includes a front drive unit 1 and a rear drive unit 5, the front drive unit 1 being disposed at the front end of the displacement of the trolley frame 3, and the rear drive unit 5 being disposed at the rear end of the displacement of the trolley frame 3.

[0044] Preferably, the trolley frame 3 is provided with multiple parts spaced apart from each other according to actual needs.

[0045] More preferably, the power assembly and the trolley frame 3, as well as adjacent trolley frames 3, are all hinged together by connecting components 4. For details, see [link to details]. Figure 2 As shown, the connecting component 4 includes a ball head 4.1 and a connector 4.3;

[0046] The ball head 4.1 has two pieces spaced apart from each other, and the two ball heads 4.1 are connected to each other by a connector 4.3.

[0047] More preferably, to increase the connection strength between the ball head 4.1 and the connector 4.3, the ball head 4.1 and the connector 4.3 are fixed together by welding, and a reinforcing sleeve 4.2 is also provided at the connection between the ball head 4.1 and the connector 4.3. The reinforcing sleeve 4.2 is fixed together with the ball head 4.1 and with the connector 4.3 by welding.

[0048] More preferably, the ball head 4.1 includes a hemispherical connecting part for connecting to two adjacent sets of trolleys and a cylindrical connecting part for connecting to the connector 4.3, wherein the hemispherical connecting part and the cylindrical connecting part are integrally formed.

[0049] Preferred, see Figure 3 and Figure 4 As shown, the traveling trolley 2 includes a first traveling frame 2.1 and a first bearing wheel 2.2, a ball joint shaft 2.3 and a first guide wheel 2.4 disposed on the first traveling frame 2.1;

[0050] The first traveling frame 2.1 is configured as a U-shaped structure. Specifically, the first traveling frame 2.1 includes a first vertical section, a horizontal section, and a second vertical section connected in sequence.

[0051] The first bearing wheel 2.2 has two parts respectively disposed on the first vertical section and the second vertical section. The two first bearing wheels 2.2 are disposed opposite to each other to clamp the track.

[0052] The ball joint 2.3 is located on the horizontal section and is used to connect to the trolley frame 3;

[0053] The first guide wheel 2.4 has two parts respectively set on the first vertical section and the second vertical section, and the two first guide wheels 2.4 are respectively connected to the track in a contact manner to guide the trolley frame 3 when it is displaced.

[0054] More preferably, the central axes of the two first bearing wheels 2.2 are arranged at an angle to each other, and the two first bearing wheels 2.2 are disposed at the rail web. Specifically, the outer arc surface of the first bearing wheel 2.2 is in contact with the end face that connects to the rail web and the rail head.

[0055] More preferably, the included angle between the center bearings of the two first load-bearing wheels 2.2 is set to 10°-30°, specifically 16°, so that the TBM suspension trolley structure can adapt to small-radius turns.

[0056] More preferably, the central axis of the first guide wheel 2.4 is arranged in the vertical direction, and the outer arc surface of the first guide wheel 2.4 is connected to the rail head in a contact manner to prevent derailment.

[0057] More preferably, the ball joint shaft 2.3 includes a first connecting part and a second connecting part that are connected to each other, and the first connecting part and the second connecting part are fixedly connected to each other by welding;

[0058] The first connecting part is connected to the horizontal section of the first traveling frame 2.1, and the second connecting part is fixedly connected to the trolley frame 3.

[0059] More preferably, the first traveling frame 2.1 is provided with mounting holes for movably connecting with the first connecting part of the ball joint shaft 2.3;

[0060] The first connecting portion of the ball joint shaft 2.3 includes a first cylindrical segment, a hemispherical segment, and a second cylindrical segment connected sequentially in the vertical direction. The diameter of the first cylindrical segment is larger than the diameter of the mounting hole and the diameter of the second cylindrical segment, while the diameter of the second cylindrical segment is smaller than the diameter of the mounting hole. The mounting hole and the hemispherical segment have multi-point contact to allow for a certain angular adjustment between the traveling trolley 2 and the trolley frame 3, thereby adapting to slight tilts in the suspension trolley's posture. Specifically, the adjustment angle range between the traveling trolley 2 and the trolley frame 3 is preferably set to ±(3°-8°); more preferably, it is set to ±5°.

[0061] In addition to the above structure, the traveling trolley 2 can also be configured as described above. Figure 5 and Figure 6 The structure shown is as follows:

[0062] The traveling trolley 2 includes a second traveling frame 2.7 and a second bearing wheel 2.5, a second guide wheel 2.6 and a connecting pin 2.8 disposed on the second traveling frame 2.7;

[0063] The second traveling frame 2.7 includes a third vertical section and a fourth vertical section arranged parallel to each other, and a horizontal connector for connecting the third vertical section and the fourth vertical section;

[0064] The second bearing wheel 2.5 has two parts respectively set on the third vertical section and the fourth vertical section. The central axis of the two second bearing wheels 2.5 is parallel to the horizontal connecting piece. The two second bearing wheels 2.5 are preferably set as conical structures, and their smaller end is close to the rail web.

[0065] The second guide wheel 2.6 is provided with two sets respectively set on the third vertical section and the fourth vertical section, and the central axis of the two sets of second guide wheels 2.6 is parallel to the third vertical section; and the two sets of second guide wheels 2.6 are respectively spaced apart from the two second bearing wheels 2.5 in the vertical direction;

[0066] The connecting pin 2.8 is fixedly connected to both the third vertical section and the fourth vertical section, and is used to connect with the trolley frame 3.

[0067] Preferably, the single set of second guide wheels 2.6 has two pieces that are spaced apart from each other along the displacement direction of the track.

[0068] The minimum turning radius during the initial stage is 10 meters. This applies to the assembly of the aforementioned monorail suspension trolley. Figure 5 and Figure 6 The structure of the traveling trolley 2 shown is such that the traveling trolley and the trolley frame are connected by a ball joint shaft, which can adapt to the attitude changes of the suspended trolley within a certain range.

[0069] When the vehicle passes through a range with a minimum turning radius of 10 meters, switch the trolley 2 to the position shown in the image. Figure 3 and Figure 4 The structure of the walking vehicle 2 shown can achieve rapid movement.

[0070] Furthermore, the specific working method of the monorail suspension trolley described above is as follows:

[0071] During the transport process of the suspended trolley, the front drive unit 1 and the rear drive unit 6 together provide power to the traveling trolley 2. The control box 5 connects the hydraulic circuits of the front drive unit 1 and the rear drive unit 6, controlling the forward and backward movement and braking of the front and rear drive units. The control box 5 can be powered by the TBM and does not require an external power source. All components are hinged together by connecting rods 4, facilitating turning and reducing the turning radius. The trolley frame 3 is hinged to the monorail via a pin, facilitating disassembly and maintenance.

[0072] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A monorail suspension trolley for mining TBMs, characterized in that, Includes tracks, power components, a traveling trolley (1) and a trolley frame (3); The trolley frame (3) is provided with multiple parts that are spaced apart from each other; The power assembly is connected to multiple trolley frames (3) to provide a power source for the traveling trolley (1); and the power assembly and the trolley frames (3) and the adjacent two trolley frames (3) are all hinged to each other by connecting components (4); The traveling trolley (1) connects the trolley frame (3) and the track, and is used to drive the trolley frame (3) to move on the track.

2. The monorail suspension trolley for mining TBMs according to claim 1, characterized in that, The connecting assembly (4) includes a ball head (4.1) and a connector (4.3); The ball head (4.1) has two pieces spaced apart from each other, and the two ball heads (4.1) are connected to each other by a connector (4.3).

3. The monorail suspension trolley for mining TBMs according to claim 2, characterized in that, The ball head (4.1) and the connector (4.3) are fixed together by welding. A reinforcing sleeve (4.2) is also provided at the connection between the ball head (4.1) and the connector (4.3). The reinforcing sleeve (4.2) and the ball head (4.1) and the reinforcing sleeve (4.2) and the connector (4.3) are both fixed together by welding.

4. The monorail suspension trolley for mining TBMs according to claim 3, characterized in that, The ball head (4.1) includes a hemispherical connecting part for connecting to two adjacent sets of trolleys and a cylindrical connecting part for connecting to the connector (4.3). The hemispherical connecting part and the cylindrical connecting part are integrally formed.

5. The monorail suspension trolley for mining TBMs according to any one of claims 1-4, characterized in that, The traveling trolley (1) includes a first traveling frame (2.1) and a first bearing wheel (2.2), a ball joint shaft (2.3), and a first guide wheel (2.4) disposed on the first traveling frame (2.1); The first walking frame (2.1) includes a first vertical section, a horizontal section and a second vertical section connected in sequence, and the first vertical section, the horizontal section and the second vertical section are connected to each other to form a U-shaped structure; The first bearing wheel (2.2) has two parts respectively disposed on the first vertical section and the second vertical section, and the two first bearing wheels (2.2) are disposed opposite to each other; The ball joint (2.3) is located on the horizontal section and is used to connect to the trolley frame (3); The first guide wheel (2.4) has two parts respectively set on the first vertical section and the second vertical section, and the two first guide wheels (2.4) are respectively connected to the track in a contact manner to guide the trolley frame (3) when it is displaced.

6. The monorail suspension trolley for mining TBMs according to claim 5, characterized in that, The central axes of the two first bearing wheels (2.2) are set at an angle to each other, and the two first bearing wheels (2.2) are set at the rail web, and the outer arc surface of the first bearing wheel (2.2) is connected to the end face of the rail web and rail head of the rail by contact.

7. The monorail suspension trolley for mining TBMs according to claim 5, characterized in that, The central axis of the first guide wheel (2.4) is set in the vertical direction, and the outer arc surface of the first guide wheel (2.4) is connected to the rail head in a contact manner.

8. The monorail suspension trolley for mining TBMs according to claim 5, characterized in that, The ball head shaft (2.3) includes a first connecting part and a second connecting part that are connected to each other, and the first connecting part and the second connecting part are fixedly connected to each other by welding. The first connecting part is connected to the horizontal section of the first traveling frame (2.1), and the second connecting part is fixedly connected to the trolley frame (3).

9. The monorail suspension trolley for mining TBMs according to claim 8, characterized in that, The first traveling frame (2.1) is provided with mounting holes for movably connecting with the first connecting part of the ball head shaft (2.3); The first connecting part of the ball head shaft (2.3) includes a first cylindrical segment, a hemispherical segment and a second cylindrical segment connected in sequence along the vertical direction; the diameter of the first cylindrical segment is larger than the diameter of the mounting hole and the diameter of the second cylindrical segment, the diameter of the second cylindrical segment is smaller than the diameter of the mounting hole, and the mounting hole and the hemispherical segment are in multi-point contact.

10. The monorail suspension trolley for mining TBMs according to any one of claims 1-4, characterized in that, The traveling trolley (2) includes a second traveling frame (2.7) and a second bearing wheel (2.5), a second guide wheel (2.6) and a connecting pin (2.8) disposed on the second traveling frame (2.7); The second traveling frame (2.7) includes a third vertical section and a fourth vertical section arranged parallel to each other, and a horizontal connector for connecting the third vertical section and the fourth vertical section; The second bearing wheel (2.5) has two parts respectively set on the third vertical section and the fourth vertical section. The central axes of the two second bearing wheels (2.5) are parallel to each other with the horizontal connecting piece; and the two second bearing wheels (2.5) are both set with a conical structure, and their smaller end is close to the rail web; The second guide wheel (2.6) has two sets respectively set on the third vertical section and the fourth vertical section, and the central axis of the two sets of second guide wheels (2.6) is parallel to the third vertical section; and the two sets of second guide wheels (2.6) are respectively spaced apart from the two second bearing wheels (2.5) in the vertical direction; each set of second guide wheels (2.6) has two pieces spaced apart along the displacement direction of the track; The connecting pin (2.8) is fixedly connected to both the third vertical section and the fourth vertical section, and is used to connect with the trolley frame (3).

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