CN220950818U - Special lifting appliance for steel cable tower - Google Patents

Abstract

The utility model provides a special lifting appliance for a steel cable tower, which relates to the technical field of building construction, and comprises a lifting appliance body, wherein a connecting structure used for being connected with a steel cable tower section is arranged on the bottom surface of the lifting appliance body, a first pair of lifting lug structures, a second pair of lifting lug structures and a third pair of lifting lug structures used for being obliquely lifted are arranged on the top surface of the lifting appliance body, central axes of the first pair of lifting lug structures, the second pair of lifting lug structures and the third pair of lifting lug structures are positioned on a straight line, and are arranged in the direction of the central axes, and the third pair of lifting lug structures are arranged at positions close to the first pair of lifting lug structures or the second pair of lifting lug structures. Compared with the prior art, the special lifting appliance for the steel cable tower can realize the lifting of the steel cable tower segment in the conventional posture and the inclined posture, is simple to operate, and can improve the construction efficiency of the steel cable tower to a certain extent.

Description

Special lifting appliance for steel cable tower

Technical Field

The utility model relates to the technical field of building construction, in particular to a special lifting appliance for a steel cable tower.

Background

In the field of bridge construction, steel towers are often hoisted upwards from below according to individual segments during construction. When the steel cable tower is of a structure with an inclination angle, namely the steel cable tower is inclined relative to the horizontal plane, the gravity center of each section of steel cable tower is continuously changed, the positions of the hanging points of the sections of the steel cable tower are not necessarily the same, and when the steel cable tower is hoisted by adopting a conventional lifting appliance, the construction efficiency is greatly reduced, and the engineering progress is influenced.

Disclosure of utility model

The utility model aims to solve the problems that: how to improve the hoisting efficiency of the steel rope tower segment.

The utility model provides a special lifting appliance for a steel cable tower, which comprises the following components: the lifting appliance comprises a lifting appliance body, wherein the bottom surface of the lifting appliance body is provided with a connecting structure used for being connected with a steel rope tower segment, the top surface of the lifting appliance body is provided with a first pair of lifting lug structures, a second pair of lifting lug structures and a third pair of lifting lug structures used for being obliquely lifted, the first pair of lifting lug structures, the second pair of lifting lug structures and the central axis of the third pair of lifting lug structures are located on a straight line and along the direction of the central axis, and the third pair of lifting lug structures are arranged at positions close to the first pair of lifting lug structures or the second pair of lifting lug structures.

Compared with the prior art, the special lifting appliance for the steel cable tower has the following beneficial effects:

When the special lifting appliance for the steel cable tower is used, the connecting structure of the bottom surface of the lifting appliance body is connected with the steel cable tower section to be lifted into a whole, and then the lifting rope of the crane can be connected to the first pair of lifting lug structures and the second pair of lifting lug structures which are positioned on the top surface of the lifting appliance body, so that the steel cable tower section can be lifted under the conventional posture (horizontal) condition. In addition, the third pair of lifting lug structures can be arranged at the position close to the first pair of lifting lug structures or the second pair of lifting lug structures, if the third pair of lifting lug structures are positioned close to the second pair of lifting lug structures, the lifting rope of the crane can be connected to the first pair of lifting lug structures and the third pair of lifting lug structures, if the third pair of lifting lug structures are positioned close to the first pair of lifting lug structures, the lifting rope of the crane can be connected to the second pair of lifting lug structures and the third pair of lifting lug structures, and then the inclined posture lifting of the steel rope tower section can be realized by changing the length of the lifting rope connected to the third pair of lifting lug structures. Compared with the prior art, the special lifting appliance for the steel cable tower can realize the lifting of the steel cable tower segment in the conventional posture and the inclined posture, is simple to operate, and can improve the construction efficiency of the steel cable tower to a certain extent.

Optionally, the first pair of lifting lug structures, the second pair of lifting lug structures and the third pair of lifting lug structures are arranged on the lifting appliance body at intervals, the third pair of lifting lug structures are located between the first pair of lifting lug structures and the second pair of lifting lug structures, and the third pair of lifting lug structures are located at positions close to the second pair of lifting lug structures.

Optionally, the special lifting appliance for the steel cable tower further comprises a lifting rope, wherein the lifting rope is used for being respectively connected with the first pair of lifting lug structures, the second pair of lifting lug structures and the third pair of lifting lug structures; when the sling is connected to the first pair of lifting lug structures and the second pair of lifting lug structures, the sling is used for lifting the cable tower segment in a conventional posture; and when the sling is connected to the first pair of lifting lug structures and the third pair of lifting lug structures, the sling is used for lifting the cable tower segment in an inclined posture.

Optionally, the sling includes a first sling for connecting with the first pair of shackle structures and a second sling for connecting with the second pair of shackle structures or the third pair of shackle structures.

Optionally, the second lifting rope comprises a rope body and a length-adjustable screw rod structure, wherein the length-adjustable screw rod structure is connected with the rope body, and the length-adjustable screw rod structure is used for adjusting the rope length of the second lifting rope.

Optionally, the adjustable lead screw structure of length includes pole structure and two intervals set up in the tubular structure of second lifting rope, two the internal thread has been seted up respectively to the inside of tubular structure, the external screw thread has been seted up respectively at the both ends of pole structure, the pole structure is used for passing through the external screw thread respectively with two the internal screw thread cooperation of tubular structure is connected, works as when the pole structure rotates around self axis, is used for driving two tubular structure moves towards being close to or keeping away from each other direction, in order to adjust the rope length of second lifting rope.

Optionally, a rotary handle is provided in the middle of the lever structure, and the rotary handle is provided perpendicular to the axis of the lever structure.

Optionally, the connection structure including set up in the first lug of bottom surface four corners department of hoist body, be provided with on the cable tower section be used for with the second lug of first lug cooperation connection, first lug with the second lug is used for through the round pin hub connection.

Optionally, the hanger body is a rectangular frame structure.

Optionally, the hoist body includes four square poles that connect gradually from beginning to end, and four be provided with the stiffener in the square space that square pole encloses, the third is located the lug structure the stiffener with the intersection department of square pole.

Drawings

FIG. 1 is a schematic diagram of a hanger for a wire rope tower according to an embodiment of the present utility model;

FIG. 2 is a conventional attitude hoist elevation view of a rope tower spreader embodying the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a tilt-attitude lifting elevation of a special lifting appliance for a steel tower according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a hanger body according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A hanger body; 11. square bar; 12. a reinforcing rod; 2. a first pair of shackle structures; 3. a second pair of shackle structures; 4. a third pair of shackle structures; 5. a sling; 51. a first sling; 52. a second sling; 6. a length adjustable screw rod structure; 61. a rod structure; 62. a tube structure; 63. rotating the handle; 7. a first lifting lug; 8. the second lifting lug; 9. a wire rope tower segment.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner" and "outer", etc. are used for convenience of description of the present utility model based on the directions or positional relationships shown in the drawings, and are not intended to indicate or imply that the apparatus to be referred to must have a specific direction, be configured and manipulated in a specific direction, and thus should not be construed as limiting the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or implementation of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

Moreover, in the drawings, the Z axis represents vertical, i.e., up and down, and the positive direction of the Z axis (i.e., the arrow of the Z axis points) represents up, and the negative direction of the Z axis (i.e., the direction opposite to the positive direction of the Z axis) represents down; the X-axis in the drawing represents the lateral direction, i.e., the left-right position, and the positive direction of the X-axis (i.e., the arrow of the X-axis points) represents the left, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the right.

It should also be noted that the foregoing Z-axis and X-axis are meant to be illustrative only and to simplify the description of the present utility model, and are not meant to indicate or imply that the devices or elements referred to must be in a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

As shown in fig. 1, a hanger special for a wire rope tower according to an embodiment of the present utility model includes: the lifting appliance comprises a lifting appliance body 1, wherein a connecting structure used for being connected with a steel rope tower segment 9 is arranged on the bottom surface of the lifting appliance body 1, a first pair of lifting lug structures 2, a second pair of lifting lug structures 3 and a third pair of lifting lug structures 4 used for being obliquely lifted are arranged on the top surface of the lifting appliance body 1, the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4 are located on a straight line, and are arranged in the direction of the central axis, and the third pair of lifting lug structures are arranged at positions close to the first pair of lifting lug structures 2 or the second pair of lifting lug structures 3.

Specifically, the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4 are all lifting lug structures arranged in pairs, and each lifting lug structure comprises two lifting lugs; the central axes of the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4 specifically refer to a perpendicular bisector of a connecting line of two lifting lugs in each pair of lifting lug structures, and the perpendicular bisector is parallel to the top surface of the lifting appliance body 1; the third pair of lifting lug structures is arranged at a position close to the first pair of lifting lug structures or the second pair of lifting lug structures, and is used for comparing the positions of the first pair of lifting lug structures and the second pair of lifting lug structures, for example, the third pair of lifting lug structures is arranged at a position close to the first pair of lifting lug structures, which means that the third pair of lifting lug structures is closer to the first pair of lifting lug structures than the first pair of lifting lug structures.

In this embodiment, as shown in fig. 1, the special lifting appliance for a steel cable tower is suitable for lifting a steel cable tower segment with a single inclination, and when in use, the connecting structure of the bottom surface of the lifting appliance body 1 is connected with the steel cable tower segment 9 to be lifted into a whole, and then the lifting rope of the crane can be connected to the first pair of lifting lug structures 2 and the second pair of lifting lug structures 3 positioned on the top surface of the lifting appliance body 1, so that the steel cable tower segment 9 can be lifted under a conventional posture (horizontal) as shown in fig. 2. In addition, the third pair of lifting lug structures 4 can be arranged at a position close to the first pair of lifting lug structures 2 or the second pair of lifting lug structures 3, if the third pair of lifting lug structures 4 are positioned close to the first pair of lifting lug structures 2, the lifting rope of the crane can be connected to the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4, if the third pair of lifting lug structures 4 are positioned close to the second pair of lifting lug structures 3, the lifting rope of the crane can be connected to the first pair of lifting lug structures 2 and the third pair of lifting lug structures 4, and then the inclined posture lifting of the steel rope tower section 9 can be realized by changing the length of the lifting rope connected to the third pair of lifting lug structures 4 (shown in combination with fig. 4). In addition, because the central axes of the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4 are positioned on the same straight line, the lifting appliance body 1 only can incline up and down in the extending direction of the central axis when obliquely lifted, and can not incline or deflect in other directions, so that stable lifting is ensured. Compared with the prior art, the special lifting appliance for the steel cable tower can realize the lifting of the steel cable tower segment 9 in a conventional posture and an inclined posture, is simple to operate, and can improve the construction efficiency of the steel cable tower to a certain extent. It should be noted that, the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4 respectively include two lifting lugs for lifting, that is, the top surface of the lifting tool body 1 is provided with six lifting lugs (the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4), four lifting lugs (the first pair of lifting lug structures 2 and the second pair of lifting lug structures 3) are required to be jointly acted when the steel cable tower segment 9 is lifted in a flat manner so as to realize the flat lifting, and similarly, four lifting lugs (the first pair of lifting lug structures 2 or the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4) are also required to be jointly acted when the steel cable tower segment 9 is lifted in an inclined posture so as to realize the inclined lifting.

Optionally, the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4 are arranged on the lifting appliance body 1 at intervals, the third pair of lifting lug structures 4 is located between the first pair of lifting lug structures 2 and the second pair of lifting lug structures 3, and the third pair of lifting lug structures 4 is located at a position close to the direction of the second pair of lifting lug structures 3.

In this embodiment, as shown in fig. 1, the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4 are arranged on the lifting tool body 1 (in the X-axis direction in fig. 2) at intervals, wherein the first pair of lifting lug structures 2 and the second pair of lifting lug structures 3 can be located at four corners of the lifting tool body 1, the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4 can be bolted or welded on the lifting tool body 1, the third pair of lifting lug structures 4 is specifically located between the first pair of lifting lug structures 2 and the second pair of lifting lug structures 3, and the third pair of lifting lug structures 4 is located at a position close to the direction of the second pair of lifting lug structures 3.

Optionally, the special lifting appliance for the steel cable tower further comprises a sling 5, wherein the sling 5 is used for being respectively connected with the first pair of lifting lug structures 2, the second pair of lifting lug structures 3 and the third pair of lifting lug structures 4; when the slings 5 are connected to the first pair of shackle structures 2 and the second pair of shackle structures 3, the slings are used for hoisting the tower segments 9 in a normal posture; when the slings 5 are connected to the first pair of shackle structures 2 and the third pair of shackle structures 4, they are used for hoisting in the inclined position of the pylon segment 9.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 4, the first pair of lifting lug structures 2 and the second pair of lifting lug structures 3 may be located at four corners of the lifting appliance body 1, when the cable tower section 9 needs to be lifted in a conventional posture, the lifting rope 5 is connected to the first pair of lifting lug structures 2 and the second pair of lifting lug structures 3, so as to realize lifting of the cable tower section 9 in the conventional posture; when the cable tower segment 9 is required to be lifted in an inclined posture, the slings 5 are connected to the first pair of lifting lug structures 2 and the third pair of lifting lug structures 4, and then the lifting of the cable tower segment 9 in the inclined posture can be realized by changing the rope length of the slings 5.

Optionally, the sling 5 comprises a first sling 51 for connection with the first pair of shackle structures 2 and a second sling 52 for connection with the second pair of shackle structures 3 or the third pair of shackle structures 4.

In this embodiment, as shown in fig. 1, the first lifting rope 51 is used to pass through the hole structure of the first pair of lifting lug structures 2, so as to realize that the first lifting rope 51 is connected to the first pair of lifting lug structures 2, and similarly, the second lifting rope 52 is used to connect to the second pair of lifting lug structures 3 or the third pair of lifting lug structures 4, and the second lifting rope 52 can be correspondingly connected to the second pair of lifting lug structures 3 or the third pair of lifting lug structures 4 according to different actual lifting conditions (normal or inclined postures).

Optionally, the second lifting rope 52 includes a rope body and a length adjustable screw rod structure 6, the length adjustable screw rod structure 6 is connected to the rope body, and the length adjustable screw rod structure 6 is used for adjusting the rope length of the second lifting rope 52.

In this embodiment, as shown in fig. 1, the length-adjustable screw rod structure 6 may be connected to the middle section of the rope body of the second lifting rope 52, where the length-adjustable screw rod structure 6 is a telescopic structure, so as to implement the length adjustment of the second lifting rope 52.

Optionally, the length adjustable screw rod structure 6 includes a rod structure 61 and two tube structures 62 that are arranged at intervals in the second lifting rope 52, internal threads are respectively provided in the two tube structures 62, external threads are respectively provided at two ends of the rod structure 61, the rod structure 61 is used for being respectively connected with the internal threads of the two tube structures 62 in a matching manner through the external threads, and when the rod structure 61 rotates around its axis, the rod structure 61 is used for driving the two tube structures 62 to move towards directions approaching to or away from each other so as to adjust the rope length of the second lifting rope 52.

In this embodiment, as shown in fig. 3, two pipe structures 62 are disposed on the second lifting rope 52 at intervals, the second lifting rope 52 between the two pipe structures 62 is in a disconnected structure, the rod structure 61 is respectively connected with the internal threads of the two pipe structures 62 through the external threads on the rod structure, and the two pipe structures 62 can be driven to move towards a direction approaching or separating from each other through the rotation of the rod structure 61, so as to adjust the rope length of the second lifting rope 52. Before hoisting, a section storage support with the same inclination angle as the section bridge is arranged at the lower part of the section 9 of the steel cable tower to be hoisted, the length of the rope required for hoisting is achieved by adjusting the length-adjustable screw rod structure 6 when the steel cable tower is in idle load, and then the working procedures of test hoisting, hoisting and the like are carried out.

Optionally, a rotary handle 63 is provided in the middle of the lever structure 61, and the rotary handle 63 is provided perpendicular to the axis of the lever structure 61.

In the present embodiment, as shown in fig. 3, a rotation knob 63 is provided in a direction perpendicular to the axis of the lever structure 61, and rotation of the lever structure 61 about its own axis can be achieved by manually rotating the rotation knob 63.

Optionally, the connection structure includes set up in the first lug 7 of the bottom surface four corners department of hoist body 1, be provided with on the cable tower section 9 be used for with the cooperation of first lug 7 is connected second lug 8, first lug 7 with second lug 8 is used for through the round pin hub connection.

In this embodiment, as shown in fig. 2 or fig. 4, the four corners of the bottom surface (fig. 4) of the spreader body 1 may be connected to the first lifting lugs 7 by bolts or welding, and the second lifting lugs 8 may be bolted or welded to the upper ends of the tower sections 9, wherein the first lifting lugs 7 and the second lifting lugs 8 may be connected by pins.

Optionally, the hanger body 1 is a rectangular frame structure.

In this embodiment, as shown in connection with fig. 5, the spreader body 1 may be designed as a rectangular frame structure according to the shape of the tower segments 9.

Optionally, the lifting tool body 1 includes four square bars 11 that connect gradually from beginning to end, and four be provided with the stiffener 12 in the square space that square bars 11 encloses, the third pair of lug structure 4 is located stiffener 12 with the intersection department of square bars 11.

In this embodiment, as shown in fig. 5, four square bars 11 sequentially connected end to end make the lifting tool body 1 be a rectangular frame structure, wherein a square space surrounded by the four square bars 11 may be welded with a reinforcing bar 12, one reinforcing bar 12 is vertically connected between two square bars 11, and the third pair of lifting lug structures 4 is connected at the intersection position of the reinforcing bar 12 and two square bars 11, and the reinforcing bar 12 plays a role in reinforcing the third pair of lifting lug structures 4. In addition, a reinforcing rod 12 with an X-shaped structure is further arranged in the square space, so that the whole strength of the lifting appliance body 1 is reinforced.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. A spreader for a wire rope tower comprising: the lifting appliance comprises a lifting appliance body (1), wherein a connecting structure used for being connected with a steel rope tower section (9) is arranged on the bottom surface of the lifting appliance body (1), a first pair of lifting lug structures (2) used for flat lifting, a second pair of lifting lug structures (3) and a third pair of lifting lug structures (4) used for inclined lifting are arranged on the top surface of the lifting appliance body (1), the first pair of lifting lug structures (2), the second pair of lifting lug structures (3) and the central axis of the third pair of lifting lug structures (4) are located on a straight line, and the third pair of lifting lug structures (4) are arranged in a position close to the first pair of lifting lug structures (2) or the second pair of lifting lug structures (3).

2. The wire rope tower special lifting appliance according to claim 1, characterized in that the first pair of lifting lug structures (2), the second pair of lifting lug structures (3) and the third pair of lifting lug structures (4) are arranged on the lifting appliance body (1) at intervals, the third pair of lifting lug structures (4) are located between the first pair of lifting lug structures (2) and the second pair of lifting lug structures (3), and the third pair of lifting lug structures (4) are located at positions close to the direction of the second pair of lifting lug structures (3).

3. The rope tower spreader of claim 2, further comprising slings (5), said slings (5) being adapted to be connected to said first pair of shackle structures (2), said second pair of shackle structures (3) and said third pair of shackle structures (4), respectively; when the sling (5) is connected to the first pair of lifting lug structures (2) and the second pair of lifting lug structures (3), the sling is used for lifting the cable tower segment (9) in a normal posture; when the sling (5) is connected to the first pair of lifting lug structures (2) and the third pair of lifting lug structures (4), the sling is used for lifting the steel rope tower segment (9) in an inclined posture.

4. A rope tower spreader according to claim 3, characterized in that the slings (5) comprise a first lifting rope (51) and a second lifting rope (52), the first lifting rope (51) being adapted to be connected to the first pair of lifting lug structures (2), the second lifting rope (52) being adapted to be connected to the second pair of lifting lug structures (3) or the third pair of lifting lug structures (4).

5. The rope tower spreader of claim 4, wherein the second lifting rope (52) comprises a rope body and a length adjustable screw structure (6), the length adjustable screw structure (6) being connected to the rope body, the length adjustable screw structure (6) being used to adjust the rope length of the second lifting rope (52).

6. The special lifting appliance for a steel rope tower according to claim 5, wherein the length-adjustable screw rod structure (6) comprises a rod structure (61) and two pipe structures (62) arranged at intervals on the second lifting rope (52), internal threads are respectively formed in the two pipe structures (62), external threads are respectively formed at two ends of the rod structure (61), the rod structure (61) is used for being respectively connected with the internal threads of the two pipe structures (62) in a matched mode through the external threads, and when the rod structure (61) rotates around the self axis, the rod structure (61) is used for driving the two pipe structures (62) to move towards a direction approaching to or away from each other so as to adjust the rope length of the second lifting rope (52).

7. The wire tower spreader according to claim 6, characterized in that the middle part of the bar construction (61) is provided with a swivel handle (63) and that the swivel handle (63) is arranged perpendicular to the axis of the bar construction (61).

8. The special lifting appliance for the steel cable tower according to claim 1, wherein the connecting structure comprises first lifting lugs (7) arranged at four corners of the bottom surface of the lifting appliance body (1), second lifting lugs (8) used for being connected with the first lifting lugs (7) in a matched mode are arranged on the steel cable tower segment (9), and the first lifting lugs (7) are connected with the second lifting lugs (8) through pin shafts.

9. The wire rope tower special lifting appliance according to claim 1, characterized in that the lifting appliance body (1) is of rectangular frame structure.

10. The special lifting appliance for the steel rope tower according to any one of claims 1 to 9, wherein the lifting appliance body (1) comprises four square rods (11) connected end to end in sequence, reinforcing rods (12) are arranged in square spaces surrounded by the four square rods (11), and the third pair of lifting lug structures (4) are positioned at the intersections of the reinforcing rods (12) and the square rods (11).