TBM suspension trolley structure

Abstract

The utility model belongs to the technical field of TBM, and particularly provides a TBM suspension trolley structure which comprises a spherical hinge pull rod, a trolley, a walking mechanism and a heavy rail. The trolleys comprise at least two groups which are adjacently arranged, and the two adjacent groups of trolleys are hinged through spherical hinge pull rods; at least one group of travelling mechanisms is arranged on each group of trolleys, and each group of travelling mechanisms is movably connected with the heavy rail so as to drive the trolleys to move; each group of walking mechanism comprises a bearing wheel and a guide wheel; at least one group of bearing wheels are arranged, each group of bearing wheels is provided with two counterweight rails which are arranged in a clamping manner, and the two bearing wheels are arranged in a V shape; at least one group of guide wheels are arranged, and each group of guide wheels is provided with two counterweight rails which are arranged in a clamping mode. The two adjacent trolleys are mutually hinged through the spherical hinge pull rod, and the trolley moves on the heavy rail through the walking mechanism; a bearing wheel in the walking mechanism adopts a V-shaped inclined structure so as to adapt to small-radius turning; and a guide wheel is arranged to prevent derailing.

Description

Technical Field

[0001] This utility model belongs to the field of TBM technology and relates to a TBM suspended trolley structure. Background Technology

[0002] Monorail cranes are increasingly used in the transportation of TBM (Turbine Machine Tool) support systems due to their advantages such as high transportation efficiency, convenient transport, and simple structure. However, as the application scenarios of TBMs continue to expand, in some scenarios, such as pumped storage power stations, the turning radius of the TBM is required to be very small according to construction requirements. For monorail crane transportation, the trolley has difficulty passing through small-radius turns, and ordinary traveling mechanisms are more prone to jamming.

[0003] The existing trolley connection method and traveling mechanism are not well adapted to the small-radius turns of the TBM, and are prone to derailment and jamming problems. Utility Model Content

[0004] To address the problems in existing TBM monorail systems, such as the inability of different trolleys to pass smoothly during ultra-small radius turns, and the inability of ordinary traveling mechanisms to adapt to small turning radii, leading to easy derailment, this invention provides a TBM suspended trolley structure that is simple in structure, convenient and practical, and enables the suspended trolley to turn smoothly and operate normally.

[0005] This utility model provides a TBM suspension trolley structure, including a ball joint tie rod, a trolley, a traveling mechanism, and a heavy rail;

[0006] The trolleys include at least two sets arranged adjacent to each other, and the two sets of trolleys are hinged together by ball joint rods.

[0007] Each set of trolleys is equipped with at least one set of traveling mechanism, and each set of traveling mechanism is movably connected to the heavy rail to drive the trolley to move.

[0008] The single-unit walking mechanism includes a load-bearing wheel and a guide wheel;

[0009] The bearing wheel is provided in at least one set, and each set of bearing wheels is provided in two pieces that clamp the counterrail, and the two bearing wheels are arranged in a V-shape with each other;

[0010] The guide wheel is provided in at least one set, and each set of guide wheels is provided with two pieces that are clamped to the counterweight rail.

[0011] Furthermore, the heavy rail includes a rail head, rail web, and rail base arranged sequentially in the vertical direction, and the rail head, rail web, and rail base are connected in sequence to form an I-shaped rail structure.

[0012] Furthermore, the traveling mechanism also includes a traveling frame and a ball joint shaft disposed on the traveling frame;

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

[0014] The bearing wheel is provided with at least one set, and each set of bearing wheels has two pieces respectively set on the first vertical section and the second vertical section. The two bearing wheels are arranged opposite to each other to clamp the heavy rail.

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

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

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

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

[0019] Furthermore, the central axis of the guide wheel is set in the vertical direction, and the outer arc surface of the 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 traveling frame, and the second connecting part is fixedly connected to the trolley.

[0022] Furthermore, the 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] Furthermore, the ball joint rod includes a ball head and a connector;

[0025] 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.

[0026] 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.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] (1) This utility model uses a ball joint tie rod to connect two adjacent vehicles to each other and uses a traveling mechanism to move on the heavy rail; the bearing wheel in the traveling mechanism adopts a V-shaped inclined structure to adapt to small radius turns; and guide wheels are set to prevent derailment.

[0029] (2) 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.

[0030] 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

[0031] 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:

[0032] Figure 1 This is a schematic diagram of the overall structure of a TBM suspended trolley structure in an embodiment of this utility model (the arrows in the figure indicate the schematic direction of the traveling mechanism);

[0033] Figure 2 yes Figure 1 A schematic diagram of the structure of the traveling mechanism;

[0034] Figure 3 yes Figure 1 A schematic diagram of the structure of the ball joint tie rod.

[0035] in:

[0036] 1. Ball joint tie rod, 1.1. Ball head, 1.2. Reinforcing sleeve, 1.3. Connecting piece, 2. Trolley, 3. Traveling mechanism, 4. Heavy rail, 3.1. Traveling frame, 3.2. Bearing wheel, 3.3. Ball head shaft, 3.4. Guide wheel. Detailed Implementation

[0037] 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.

[0038] Example:

[0039] See Figures 1 to 3 As shown, the TBM suspension trolley structure provided by this utility model includes a ball joint rod 1, a trolley 2, and a traveling mechanism 3;

[0040] The trolley 2 includes at least two adjacent sets, which are hinged to each other by a ball joint rod 1, thereby giving the adjacent sets of trolleys a high degree of freedom of movement and allowing the included angle between the adjacent sets of trolleys to vary within a large range, so as to facilitate the smooth passage of the entire equipment through small turns with a radius of 10 meters.

[0041] Each set of trolleys 2 is equipped with at least one set of traveling mechanism 3, which is movably connected to the heavy rail 4 to drive the trolley 2 to move.

[0042] Preferably, the structure and connection relationship of the trolley 2 are specifically based on the prior art.

[0043] Preferably, the heavy rail 4 includes a rail head, a rail web, and a rail base arranged sequentially in the vertical direction, and the rail head, rail web, and rail base are connected sequentially to form an I-shaped rail structure.

[0044] Furthermore, the walking mechanism 3 includes a walking frame 3.1 and a load-bearing wheel 3.2, a ball joint shaft 3.3, and a guide wheel 3.4 disposed on the walking frame 3.1;

[0045] The traveling frame 3.1 is configured with a U-shaped structure. Specifically, the traveling frame 3.1 includes a first vertical section, a horizontal section, and a second vertical section connected in sequence.

[0046] The bearing wheel 3.2 is provided with at least one set, and each set of bearing wheels 3.2 has two pieces respectively set on the first vertical section and the second vertical section. The two bearing wheels 3.2 are arranged opposite to each other to clamp the counterweight rail 4.

[0047] The ball joint shaft 3.3 is located on the horizontal section and is used to connect to the trolley 2;

[0048] The guide wheel 3.4 is provided with at least one set. Each set of guide wheels 3.4 has two pieces respectively set on the first vertical section and the second vertical section, and the two guide wheels 3.4 are respectively connected to the heavy rail 4 in a contact manner to guide the trolley 2 when it is moving.

[0049] More preferably, the central axes of the single set of bearing wheels 3.2 are arranged at an angle to each other, and the single set of bearing wheels 3.2 is located at the web of the heavy rail 4. Specifically, the outer arc surface of the bearing wheel 3.2 is connected to the end face of the web and the rail head through a contact connection.

[0050] More preferably, the included angle between the center bearings of the single set of load-bearing wheels 3.2 is set to 10°-30°, specifically 16°, so that the TBM suspension trolley structure can adapt to small radius turns.

[0051] More preferably, the central axis of the guide wheel 3.4 is arranged in the vertical direction, and the outer arc surface of the guide wheel 3.4 is connected to the rail head in a contact manner to prevent derailment.

[0052] More preferably, the ball joint shaft 3.3 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;

[0053] The first connecting part is connected to the horizontal section of the traveling frame 3.1, and the second connecting part is fixedly connected to the trolley 2.

[0054] More preferably, the traveling frame 3.1 is provided with mounting holes for movably connecting with the first connecting part of the ball joint shaft 3.3;

[0055] The first connecting portion of the ball joint shaft 3.3 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 mechanism 3 and the trolley 2, thereby adapting to slight tilting of the suspended trolley's posture. Specifically, the adjustment angle range between the traveling mechanism 3 and the trolley 2 is preferably set to ±(3°-8°); more preferably, it is set to ±5°.

[0056] Furthermore, the ball joint rod 1 includes a ball head 1.1 and a connector 1.3;

[0057] The ball head 1.1 has two pieces spaced apart from each other, and the two ball heads 1.1 are connected to each other by a connector 1.3.

[0058] Further preferably, to increase the connection strength between the ball head 1.1 and the connector 1.3, the ball head 1.1 and the connector 1.3 are fixed together by welding, and a reinforcing sleeve 1.2 is also provided at the connection between the ball head 1.1 and the connector 1.3. The reinforcing sleeve 1.2 is fixed together with the ball head 1.1 and with the connector 1.3 by welding.

[0059] More preferably, the ball head 1.1 includes a hemispherical connecting part for connecting to two adjacent sets of trolleys 2 and a cylindrical connecting part for connecting to the connecting member 1.3, wherein the hemispherical connecting part and the cylindrical connecting part are integrally formed.

[0060] 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 TBM suspended trolley structure, characterized in that, It includes a ball joint rod (1), a trolley (2), a traveling mechanism (3), and a heavy rail (4); The trolley (2) includes at least two adjacent sets, and the two adjacent sets of trolleys are hinged together by a ball joint rod (1); Each set of trolleys (2) is equipped with at least one set of traveling mechanism (3), and each set of traveling mechanism (3) is movably connected to the heavy rail (4) to drive the trolley (2) to move. The single-unit walking mechanism (3) includes a load-bearing wheel (3.2) and a guide wheel (3.4); The bearing wheel (3.2) is provided with at least one set, and each set of bearing wheels (3.2) is provided with two pieces that clamp the counterweight rail (4), and the two bearing wheels (3.2) are arranged in a V-shape with each other; The guide wheel (3.4) is provided with at least one set, and each set of guide wheels (3.4) is provided with two pieces of counterweight rail (4) clamped together.

2. The TBM suspended trolley structure according to claim 1, characterized in that, The heavy rail (4) includes a rail head, rail web and rail bottom arranged in sequence along the vertical direction, and the rail head, rail web and rail bottom are connected in sequence to form an I-shaped rail structure.

3. The TBM suspended trolley structure according to claim 2, characterized in that, The walking mechanism (3) includes a walking frame (3.1) and a ball joint shaft (3.3) disposed on the walking frame (3.1); The walking frame (3.1) includes a first vertical section, a horizontal section, and a second vertical section connected in sequence; the first vertical section, the horizontal section, and the second vertical section are interconnected to form a U-shaped structure; The bearing wheel (3.2) is provided with at least one set. Each set of bearing wheels (3.2) has two pieces respectively set on the first vertical section and the second vertical section. The two bearing wheels (3.2) are arranged opposite to each other so as to clamp the counterweight rail (4). The ball joint (3.3) is located on the horizontal section and is used to connect with the trolley (2); The guide wheel (3.4) is provided with at least one set. Each set of guide wheels (3.4) has two pieces respectively set on the first vertical section and the second vertical section, and the two guide wheels (3.4) are respectively connected to the heavy rail (4) in a contact manner to guide the trolley (2) when it is displaced.

4. The TBM suspended trolley structure according to claim 3, characterized in that, The central axes of the single set of bearing wheels (3.2) are set at an angle to each other, and the single set of bearing wheels (3.2) is set at the rail web of the heavy rail (4), and the outer arc surface of the bearing wheel (3.2) is connected to the end face of the rail web and the rail head by contact.

5. The TBM suspended trolley structure according to claim 4, characterized in that, The included angle between the center bearings of a single set of load-bearing wheels (3.2) is set to 10°-30°.

6. The TBM suspended trolley structure according to claim 3, characterized in that, The central axis of the guide wheel (3.4) is set in the vertical direction, and the outer arc surface of the guide wheel (3.4) is connected to the rail head in a contact manner.

7. The TBM suspended trolley structure according to claim 3, characterized in that, The ball joint shaft (3.3) 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 traveling frame (3.1), and the second connecting part is fixedly connected to the trolley (2).

8. The TBM suspended trolley structure according to claim 3, characterized in that, The traveling frame (3.1) is provided with mounting holes for movably connecting with the first connecting part of the ball joint shaft (3.3); The first connecting part of the ball head shaft (3.3) includes a first cylindrical section, a hemispherical section and a second cylindrical section connected in sequence along the vertical direction; the diameter of the first cylindrical section is larger than the diameter of the mounting hole and the diameter of the second cylindrical section, the diameter of the second cylindrical section is smaller than the diameter of the mounting hole, and the mounting hole and the hemispherical section are in multi-point contact.

9. The TBM suspended trolley structure according to any one of claims 1-8, characterized in that, The ball joint rod (1) includes a ball head (1.1) and a connector (1.3); The ball head (1.1) has two pieces spaced apart from each other, and the two ball heads (1.1) are connected to each other by a connector (1.3).

10. The TBM suspended trolley structure according to claim 9, characterized in that, The ball head (1.1) and the connector (1.3) are fixedly connected by welding. A reinforcing sleeve (1.2) is also provided at the connection between the ball head (1.1) and the connector (1.3). The reinforcing sleeve (1.2) and the ball head (1.1) and the reinforcing sleeve (1.2) and the connector (1.3) are both fixedly connected by welding.

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