CN220393158U - Winch for TBM construction - Google Patents

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to a winch for TBM construction. The winch for TBM construction comprises a lifting frame, a winch body and a limiting mechanism; the lifting frame is used for being connected with a fixed facility; the winch body is connected with the lifting frame; the limiting mechanism is connected with the lifting frame; the limiting mechanism is provided with a first limiting piece and a second limiting piece which are arranged at intervals to form a limiting gap with constant width and larger than the diameter of the lifting rope, and the first limiting piece and the second limiting piece are respectively provided with an arc-shaped contact surface for contacting the lifting rope. The utility model can reduce the swing of the lifting rope in the lifting process, ensure the stable lifting of the lifted object while implementing higher lifting efficiency, and ensure the safety in the lifting process.

Description

Winch for TBM construction

Technical Field

The utility model relates to the technical field of hoisting equipment, in particular to a winch for TBM construction.

Background

The TBM construction is a highly mechanized and automatic complete equipment for excavating a large tunnel, which integrates the technologies of machinery, electronics, hydraulic pressure, laser, control and the like, and is a large engineering machine which is driven by a motor (or a motor-hydraulic motor) to rotate a cutterhead and push the cutterhead to be tightly attached to the rock wall surface under the action of a certain pushing force and breaks the rock through a cutter arranged on the cutterhead so as to form the section of the tunnel at one time. The TBM construction has the advantages of high automation degree, high construction speed, manpower saving, safety, economy, one-step forming, no influence of external climate, capability of controlling ground subsidence during excavation, reduced influence on ground buildings, no influence on underwater ground traffic during underwater underground construction, and the like, and is the most potential mechanical equipment for rock tunnel tunneling; meanwhile, the TBM is a factory pipeline tunnel construction device integrating construction procedures such as tunneling, supporting, deslagging and the like, is integrated by systems such as machinery, electricity, liquid, light, gas and the like, has the advantages of high tunneling speed, environmental protection, high comprehensive benefit and the like, can realize the construction of a deep-buried long tunnel with complex geographic features which is difficult to realize by the traditional drilling and blasting method, and is rapidly growing in tunnel engineering such as China railway, hydropower, traffic, mine, municipal administration and the like. In TBM construction, in order to be able to realize that some materials that the convenient lifting construction needs, such as reinforcing bar, machine equipment etc. and then need to use "winch", and in "winch" that uses now, the lifting rope position that lifts by crane "is not spacing structure, when lifting by crane the speed too fast, because the weight of lifting by crane the thing is great, lifting by crane rope swing range is great, lifting by crane rope and the mounting structure of winch bump friction and make the lifting by crane produce the shake easily, there is the potential safety hazard, and current winch can not compromise lifting by crane efficiency and lifting by crane safety promptly.

Disclosure of Invention

The utility model provides a winch for TBM construction, which is used for preventing the problem that a lifting rope is easy to swing when the lifting speed is high by limiting the lifting rope at the position of the winch, so that a lifted object can stably and vertically lift and the lifting safety is ensured.

The utility model is realized by the following technical scheme:

a winch for TBM construction, comprising:

the lifting frame is used for being connected with a fixed facility;

the winch body is connected with the lifting frame;

the limiting mechanism is connected with the lifting frame;

the limiting mechanism is provided with a first limiting piece and a second limiting piece, the first limiting piece and the second limiting piece are arranged at intervals to form a limiting gap with constant width and larger than the diameter of the lifting rope, and the first limiting piece and the second limiting piece are respectively provided with an arc-shaped contact surface for contacting the lifting rope.

In some embodiments, the stop mechanism comprises a stop frame coupled to the crane frame;

the limiting frame is provided with an installation through groove, and the first limiting piece and the second limiting piece are positioned in the installation through groove and are detachably connected with the limiting frame.

In some embodiments, the first stop is circular in cross-section.

In some embodiments, the first stop is a roller.

In some embodiments, the second stop is circular in cross-section.

In some embodiments, the second stop is a roller.

In some embodiments, a third limiting piece and a fourth limiting piece are further arranged on the limiting frame;

the third limiting piece and the fourth limiting piece are respectively positioned at two ends of the length direction of the limiting gap, and arc-shaped contact surfaces for contacting the lifting rope are arranged on the third limiting piece and the fourth limiting piece.

In some embodiments, the third and fourth stop members are circular in cross-section.

In some embodiments, the third and fourth stop members are rollers.

In some embodiments, the lifting frame comprises a fixed base, a first mounting plate, and a second mounting plate;

the fixed base is used for connecting fixed facilities;

the winch comprises a fixed base, a first mounting plate, a second mounting plate, a winding roller, a motor, a bearing fixing seat and a winch body, wherein the first mounting plate and the second mounting plate are connected with the fixed base, the first mounting plate and the second mounting plate are arranged at parallel intervals, the winding roller of the winch body is located between the first mounting plate and the second mounting plate, rotating holes are respectively formed in the first mounting plate and the second mounting plate to enable a rotating shaft of the winding roller to pass through, one end of the rotating shaft is connected with the motor through a coupler, the other end of the rotating shaft is connected with the bearing fixing seat through the bearing, the motor is connected with the first mounting plate, and the bearing fixing seat is connected with the second mounting plate.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

according to the winch for TBM construction, the lifting rope on the winch body is limited in the limiting gap by the first limiting piece and the second limiting piece, the lifting rope between the limiting gap and the lifting object is not easy to swing, the lifting rope can stably and vertically lift, the lifting rope is not contacted with other installation structures of the winch in the lifting process, but is contacted with arc-shaped contact surfaces of the first limiting piece and the second limiting piece, generated shaking is greatly reduced, the stability of the lifting object can be ensured even in the rapid lifting process, and therefore lifting safety is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a winch for TBM construction according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a part of an explosion structure of a winch for TBM construction according to an embodiment of the present utility model.

In the drawings, the reference numerals and corresponding part names:

the device comprises a motor, a 2-bearing fixing seat, a 3-roller, a 4-fixing base, a 5-first mounting plate, a 6-second mounting plate, a 7-limiting frame, an 8-first limiting piece, a 9-second limiting piece, a 10-lifting hook, an 11-lifting rope, a 12-third limiting piece and a 13-fourth limiting piece.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the utility model. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the utility model.

Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the utility model. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the description of the present utility model, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

1-2, an embodiment of the present utility model provides a winch for TBM construction, including a lifting frame, a winch body and a limiting mechanism; the lifting frame is used for being connected with a fixed facility; the winch body is connected with the lifting frame; the limiting mechanism is connected with the lifting frame; the limiting mechanism is provided with a first limiting piece 8 and a second limiting piece 9, the first limiting piece 8 and the second limiting piece 9 are arranged at intervals to form a limiting gap with a constant width and a diameter larger than that of the lifting rope 11, and the first limiting piece 8 and the second limiting piece 9 are respectively provided with an arc-shaped contact surface for contacting the lifting rope 11.

In this embodiment, the lifting frame may specifically include a fixed base 4, a first mounting plate 5, and a second mounting plate 6. The fixed base 4 can be a cuboid, the fixed base 4 can adopt a steel base to ensure structural strength, and a plurality of bolt holes can be formed in the fixed base 4 so as to be connected with other fixed facilities through bolts; the first mounting plate 5 and the second mounting plate 6 can be both set to square steel plates, one side of the first mounting plate 5 and the second mounting plate 6 is set to be a 90-degree folded structure, the first mounting plate 5 and the second mounting plate 6 can be connected with a mounting base through respective folded structures in a bolt mode, and the first mounting plate 5 and the second mounting plate 6 are arranged at intervals in parallel. The winch body specifically comprises a motor 1, a roller 3, a rotating shaft and a bearing fixing seat 2; the rotating shaft is coaxially arranged in the winding roller 3 in a penetrating way and can be connected with the winding roller 3 through a key so as to enable the rotating shaft and the winding roller 3 to synchronously rotate, and the rotating shaft can be connected with the motor 1 through a coupler. The first mounting plate 5 and the second mounting plate 6 are provided with coaxial rotating holes, and the diameter of each rotating hole is larger than that of the rotating shaft; the motor 1 is fixedly connected with the first mounting plate 5, the rotation shaft passes through the rotation holes of the first mounting plate 5 and the second mounting plate 6, the winding roller 3 is positioned between the first mounting plate 5 and the second mounting plate 6, one end of the rotation shaft passing through the second mounting plate 6 is connected with the bearing fixing seat 2, wherein the rotation shaft is matched with a bearing shaft hole in the bearing fixing seat 2, and the bearing fixing seat 2 is fixedly connected with the second mounting plate 6. Thus, after the motor 1 is started, the motor 1 is controlled to rotate positively and negatively to drive the rotating shaft to rotate, so that the rotating shaft drives the winding roller 3 to rotate, and winding and unwinding of the lifting rope 11 on the winding roller 3 are realized.

The stop gear in this application embodiment specifically can include the spacing 7 of being connected with the lifting frame, and spacing 7 can set up to the cuboid shape, and the other side of first mounting panel 5 and second mounting panel 6 also sets up to 90 hem structures, and spacing 7 length direction both ends respectively with the hem structure fixed connection of first mounting panel 5 and second mounting panel 6, the installation logical groove is offered at spacing 7 middle part, first locating part 8 and second locating part 9 both ends respectively with spacing logical groove length direction both ends's cell wall detachable fixed connection.

When the lifting rope is used, the fixed base 4 is connected with a fixed facility, then the first limiting piece 8 or the second limiting piece 9 is detached, one end of the lifting rope 11 penetrates through the mounting through groove, then the first limiting piece 8 and the second limiting piece 9 are connected with the limiting frame 7 again, so that the lifting rope 11 is located in a limiting gap formed by the first limiting piece 8 and the second limiting piece 9, and then the lifting hook 10 is connected to the lifting rope 11 to carry out lifting work.

It should be noted that the width of the limiting gap in the embodiment of the present application may be set to be, for example, 1 to 1.5mm larger than the diameter of the lifting rope 11 to prevent the lifting rope 11 from swinging to a larger extent.

In some embodiments, the limiting frame 7 may be configured as a steel plate, and the mounting through slot on the limiting frame 7 may be formed in such a manner that: the middle part of the current limiting piece is provided with a feed hole which can have the same width as an expected installation through groove, and then the feed hole is cut to two sides along the direction perpendicular to the width of the feed hole to form bending seams, wherein two ends of the feed hole in the width direction are respectively provided with a bending seam, a steel plate between the two bending seams at two ends of the feed hole in the width direction is bent to form an installation groove wall, two installation holes are formed in the installation groove wall, and the positions of the two installation holes are consistent with the preset installation positions of the first limiting piece 8 and the second limiting piece 9. Similarly, screw holes are respectively formed at two ends of the first limiting piece 8 and the second limiting piece 9, so that the first limiting piece 8 and the second limiting piece 9 can be fixedly connected with the limiting frame 7 through bolts, and the disassembly and the assembly are convenient.

In some embodiments, the first stop member 8 may be circular in cross-section for ease of manufacture. That is, the overall shape of the first stopper 8 may be set as a circular rod body, and such a shape is easily available on site, has strong replaceability, and can bring convenience to the use process.

In some embodiments, the first stop 8 is a roller.

In this embodiment of the application, after setting up first locating part 8 as the roller, when lifting rope 11 and first locating part 8 contact and go up and down, lifting rope 11 can drive first locating part 8 and rotate, is dynamic friction between lifting rope 11 and the first locating part 8 promptly, can reduce lifting rope 11 like this and produce the shake, guarantees lifting object can more stable lift.

In some embodiments, the cross section of the second limiting member 9 may also be circular for ease of manufacture. That is, the overall shape of the second limiting member 9 may be set as a circular rod body, such a shape is easy to obtain on site, has strong replaceability, and can bring convenience to the use process.

In some embodiments, the second limiting member 9 may also be provided as a roller.

In this embodiment of the application, set up second locating part 9 as the roller after, when lifting rope 11 and second locating part 9 contact and go up and down, lifting rope 11 can drive second locating part 9 and rotate, is dynamic friction between lifting rope 11 and the second locating part 9 promptly, can reduce lifting rope 11 like this and produce the shake, guarantees lifting object can more stable lift.

In some embodiments, the limiting frame 7 is further provided with a third limiting member 12 and a fourth limiting member 13; the third limiting piece 12 and the fourth limiting piece 13 are respectively positioned at two ends of the length direction of the limiting gap, and arc-shaped contact surfaces for contacting the lifting rope 11 are arranged on the third limiting piece 12 and the fourth limiting piece 13.

In this embodiment, two fixing plates may be specifically disposed on two sides of the limiting frame 7 in the width direction, where the two fixing plates on the same side are located at two ends of the length direction of the limiting gap, and a third limiting member 12 and a fourth limiting member 13 are respectively installed between the two fixing plates, where the length directions of the third limiting member 12 and the fourth limiting member 13 are parallel to the width direction of the limiting gap; and, after the third spacing piece 12 and the fourth spacing piece 13 are installed, the arc contact surfaces on the third spacing piece 12 and the fourth spacing piece 13 intersect with the first spacing piece 8 and the second spacing piece 9 in the vertical direction. When the lifting rope 11 in the limiting gap moves to the two ends of the limiting gap, the lifting rope 11 can be contacted with the arc-shaped contact surface on the third limiting piece 12 or the fourth limiting piece 13, so that shaking generated by the lifting rope 11 can be reduced.

It will be appreciated that the length of the spacing gap need not be greater than the length of the roller 3 after the third and fourth spacing members 12, 13 are provided, which may save some manufacturing costs. When the rope outlet position of the lifting rope 11 on the winding roller 3 is positioned at the two end limits of the winding roller 3, the lifting rope 11 section between the limiting gap and the winding roller 3 can be contacted with the bending surface on the flanging structure, and the bending surface is an arc surface, so that the lifting rope 11 cannot generate excessive shaking, and the lifting object can be fully ensured to stably lift.

In some embodiments, the third and fourth stoppers 12 and 13 are circular in cross section for ease of fabrication. That is, the overall shape of the third limiting member 12 and the fourth limiting member 13 may be a circular rod body, and such a shape is easy to obtain on site, has strong replaceability, and can bring convenience to the use process. Further, the third stopper 12 and the fourth stopper 13 may be provided as rollers. For the purpose of providing a drum reference is made to the first stop 8 and the second stop 9, which are not described in detail here.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. A winch for TBM construction, comprising:

the lifting frame is used for being connected with a fixed facility;

the winch body is connected with the lifting frame;

the limiting mechanism is connected with the lifting frame;

the limiting mechanism is provided with a first limiting piece (8) and a second limiting piece (9), the first limiting piece (8) and the second limiting piece (9) are arranged at intervals to form a limiting gap with a constant width and a diameter larger than that of the lifting rope (11), and the first limiting piece (8) and the second limiting piece (9) are respectively provided with an arc-shaped contact surface for contacting the lifting rope (11).

2. The winch for TBM construction according to claim 1, characterized in that the limit mechanism comprises a limit frame (7) connected to the hoisting frame;

the limiting frame (7) is provided with an installation through groove, and the first limiting piece (8) and the second limiting piece (9) are positioned in the installation through groove and detachably connected with the limiting frame (7).

3. Winch for TBM construction according to claim 1, characterized in that the first stop (8) has a circular cross section.

4. A TBM construction winch according to claim 3, characterized in that the first stop (8) is a roller.

5. Winch for TBM construction according to claim 2, characterized in that the second limiting element (9) has a circular cross section.

6. Winch for TBM construction according to claim 5, characterized in that the second limiting element (9) is a roller.

7. The winch for TBM construction according to claim 6, wherein the limiting frame (7) is further provided with a third limiting member (12) and a fourth limiting member (13);

the third limiting piece (12) and the fourth limiting piece (13) are respectively positioned at two ends of the length direction of the limiting gap, and arc-shaped contact surfaces for contacting the lifting rope (11) are arranged on the third limiting piece (12) and the fourth limiting piece (13).

8. Winch for TBM construction according to claim 7, characterized in that the third and fourth limiting members (12, 13) are circular in cross section.

9. Winch for TBM construction according to claim 8, characterized in that the third and fourth limiting members (12, 13) are rollers.

10. The TBM construction winch according to claim 8, characterized in that the hoisting frame comprises a fixed base (4), a first mounting plate (5) and a second mounting plate (6);

the fixed base (4) is used for connecting fixed facilities;

the winch comprises a fixed base (4), a first mounting plate (5) and a second mounting plate (6), wherein the first mounting plate (5) and the second mounting plate (6) are connected with the fixed base (4), the first mounting plate (5) and the second mounting plate (6) are arranged at intervals in parallel, a winding roller (3) of a winch body is located between the first mounting plate (5) and the second mounting plate (6), rotating holes are formed in the first mounting plate (5) and the second mounting plate (6) respectively for allowing a rotating shaft of the winding roller (3) to pass through, one end of the rotating shaft is connected with a motor (1) through a coupler, the other end of the rotating shaft is connected with a bearing fixing seat (2), the motor (1) is connected with the first mounting plate (5), and the bearing fixing seat (2) is connected with the second mounting plate (6).