Special hoisting tool for prefabricated cable trough

Abstract

The utility model discloses a special hoisting tool for a prefabricated cable trough, which belongs to the technical field of cable trough construction and comprises a hoisting tool assembly. The hoisting tool assembly comprises a square steel beam used for bearing cable troughs, two pins symmetrically welded to the two ends of the top face of the square steel beam respectively, second lifting lugs symmetrically welded to the two ends of the bottom face of the square steel beam and a plurality of cable trough clamps arranged on the square steel beam and used for clamping the cable troughs, and the pins are connected between every two opposite first lifting lugs. The tops of the two pins are hoisted through an external hoisting rope, each cable trough clamp comprises a U-shaped movable clamping plate which is clamped to the top face of the square steel beam in an inverted and sliding mode and a U-shaped clamp part which is movably connected to the top face of the U-shaped movable clamping plate, the U-shaped clamp parts bear cable troughs, and the distance between every two adjacent cable trough clamps is adjusted. The cable trough can flexibly adapt to various field conditions and cable trough specifications, and the practicability and the application range of the cable trough are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable trough construction technical field especially a hoisting tool special for prefabricated cable trough. BACKGROUND

[0002] In modern construction and infrastructure construction, cable troughs are widely used as important facilities for protecting and managing cables. In order to ensure that the cable troughs can be safely and effectively installed in place, the design and use of hoisting tools are particularly important.

[0003] Traditional hoisting methods often use fixed hoisting structures, which do not have the ability to quickly adjust according to different specifications of cable troughs. This means that every time a cable trough is hoisted with different spacing distribution or at different angles, the hoisting tool needs to be re-customized or modified, increasing the complexity and cost of work.

[0004] After searching, the existing Chinese patent publication No. CN210629057U is a kind of hoisting cable support, including support, U-shaped block and support frame, the U-shaped block bottom is distributed with assembly hole, the assembly hole is through U-shaped block front and back wall, the both ends of support are clamped in the inner cavity of U-shaped block, the support frame includes support rod and support arm, the middle part of support rod is provided with through upper and lower connecting groove, the support rod top is clamped in connecting groove, the side wall of support rod is distributed with through groove at equal distance, the support arm middle part is assembled in through groove and both ends extend support rod both sides, the both extending end top surface of support arm is equipped with limit slot, the limit slot is through support arm front and back wall, the bottom surface of support rod is equipped with movable slot, the movable slot is assembled with conical block, the conical block extends movable slot slot.

[0005] The above cited patent documents also have the same problem, using fixed hoisting structure, do not have the ability to quickly adjust according to the different specifications of cable trough, every time a cable trough is hoisted with different spacing distribution or at different angles, the hoisting tool needs to be re-customized or modified, increase the complexity and cost of work. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a hoisting tool special for prefabricated cable trough to solve the problems raised in the background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a hoisting tool special for prefabricated cable groove, hoisting tool assembly includes square steel beam for bearing cable groove, two pins respectively symmetrically welded in both ends of square steel beam top surface, second lifting lug symmetrically welded in both ends of square steel beam bottom surface and multiple cable groove clamps for clamping cable groove are arranged on square steel beam, wherein the pin is connected between the two opposite first lifting lugs, the top of the two pins is hoisted through the external lifting rope, the cable groove clamp includes the U type mobile clamping plate of inverting slidingly clamped on the square steel beam top surface and the U type clamp piece movably connected to the U type mobile clamping plate top surface, the U type clamp piece bears the cable groove, and the position of adjacent cable grooves is adjusted by adjusting the spacing position of adjacent cable groove clamps.

[0008] The utility model discloses a prefabricated cable groove special hoisting tool, and the lifting tool does not need professional tool, and one person can complete installation, inserts the pin into the prefabricated cable groove reserved hole, and only needs to hook the hoisting hook into the pin during operation, which is convenient and fast, greatly shortens the construction period.

[0009] The utility model discloses a prefabricated cable groove special hoisting tool, and the lifting tool does not need professional tool, and one person can complete installation, inserts the pin into the prefabricated cable groove reserved hole, and only needs to hook the hoisting hook into the pin during operation, which is convenient and fast, greatly shortens the construction period.

[0010] The utility model discloses a prefabricated cable groove special hoisting tool, and the lifting tool does not need professional tool, and one person can complete installation, inserts the pin into the prefabricated cable groove reserved hole, and only needs to hook the hoisting hook into the pin during operation, which is convenient and fast, greatly shortens the construction period.

[0011] The utility model discloses a prefabricated cable groove special hoisting tool, and the lifting tool does not need professional tool, and one person can complete installation, inserts the pin into the prefabricated cable groove reserved hole, and only needs to hook the hoisting hook into the pin during operation, which is convenient and fast, greatly shortens the construction period.

[0012] The utility model discloses a prefabricated cable groove special hoisting tool, and the lifting tool does not need professional tool, and one person can complete installation, inserts the pin into the prefabricated cable groove reserved hole, and only needs to hook the hoisting hook into the pin during operation, which is convenient and fast, greatly shortens the construction period.

[0013] The utility model discloses a prefabricated cable groove special hoisting tool, and the lifting tool does not need professional tool, and one person can complete installation, inserts the pin into the prefabricated cable groove reserved hole, and only needs to hook the hoisting hook into the pin during operation, which is convenient and fast, greatly shortens the construction period.

[0014] Compared with the prior art, the utility model has the following technical effects and advantages:

[0015] The prefabricated cable groove special hoisting tool, the lifting tool does not need professional tool, and one person can complete installation, inserts the pin into the prefabricated cable groove reserved hole, only needs to hook the hoisting hook into the pin during operation, is convenient and fast, and greatly shortens the construction period.

[0016] The cable trough clamp comprises a U-shaped movable clamping plate and a U-shaped clamp piece movably connected to the U-shaped movable clamping plate, and allows the position and angle of the cable trough to be adjusted as required, the U-shaped movable clamping plate can slide on the square steel beam and be fixed at a required position, and the U-shaped clamp piece can be rotated to adjust the angle, so as to adapt to cable troughs of different sizes and shapes, the lifting tool can flexibly cope with various site conditions and cable trough specifications, and the practicability and application range are improved.

[0017] The U-shaped movable clamping plate is quickly fixed by combining magnetic attraction and mechanical locking, and the pin is stably installed through the insertion hole and the threaded hole, the ring-shaped magnet provides preliminary positioning, the locking hole and the locking bolt knob further ensure firmness, the installation process is simplified, complex debugging steps are reduced, construction time is greatly shortened, and work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Fig. 1 It is a structural schematic diagram of the present application.

[0020] Fig. 2 It is a dismounting structure schematic diagram of the pin of the present application.

[0021] Fig. 3 It is a split structure schematic diagram of the U-shaped movable clamping plate and the U-shaped clamp piece of the present application.

[0022] EXPLANATION OF REFERENCE NUMERALS

[0023] In the figure: 1, lifting tool assembly; 2, first lifting lug; 3, pin; 4, cable trough clamp; 5, second lifting lug; 6, U-shaped movable clamping plate; 7, U-shaped clamp piece; 8, square steel beam; 9, insertion hole; 10, threaded hole; 11, external thread way; 12, sealing bearing; 13, rotating shaft; 14, ring-shaped magnet; 15, locking hole; 16, locking bolt knob. DETAILED DESCRIPTION

[0024] In the following description, numerous specific details are set forth to provide a more thorough understanding of the present application. However, it will be apparent to one of skill in the art that the present application can be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present application.

[0025] Unless the context clearly requires otherwise, throughout the description, the terms "comprise", "comprising", "include", "including", and the like are to be construed in an inclusive sense, as opposed to an exclusive or exhaustive sense; that is to say, in the sense of "including, but not limited to".

[0026] The embodiment provides a hoisting tool special for prefabricated cable trench, as shown in the formula Figs. 1 to 3 The embodiment provides a hoisting tool special for prefabricated cable trench, as shown in the formula The cable trench clamp 4 comprises an inverted U-shaped moving clamping plate 6 clamped on the top surface of the square steel beam 8 and a U-shaped clamp piece 7 movably connected to the top surface of the U-shaped moving clamping plate 6, and the U-shaped clamp piece 7 bears the cable trench; the interval position of adjacent cable trench clamps 4 is adjusted, so that the position of adjacent cable trenches is adjusted, so that the interval is the same; in addition, the design of the U-shaped clamp piece 7 can also bear and clamp the cable trench, and the movable connection mode of the U-shaped clamp piece 7 is helpful for adjusting the erection direction of different cable trenches.

[0027] In the embodiment, the inner walls on both sides of each U-shaped moving clamping plate 6 are fixedly embedded with annular magnets 14, and when the U-shaped moving clamping plate 6 is clamped on the square steel beam 8, the annular magnets 14 are magnetically attracted to the square steel beam 8. By using the attractive force between magnetic materials, the U-shaped moving clamping plate 6 can obtain a certain fixing effect when it is initially placed, which provides convenience for subsequent more accurate positioning and locking, enhances the stability of the U-shaped moving clamping plate 6 during initial installation, reduces the risk of sliding or displacement, simplifies the installation process, and improves the work efficiency.

[0028] In this embodiment, the two side walls of the U-shaped movable clamping plate 6 are threaded through the locking holes 15 aligned with the center position of the annular magnet 14, one of the locking holes 15 is threaded with a locking bolt knob 16, and the screw end of the locking bolt knob 16 abuts against the outer wall of the square steel beam 8. The design of the locking bolt knob 16 can further improve the locking stability of the U-shaped movable clamping plate 6 based on the annular magnet 14. Through the mechanical locking mode, the connection strength between the U-shaped movable clamping plate 6 and the square steel beam 8 is further enhanced, the stability and safety are further improved, the locking structure is simple and effective, and the on-site quick adjustment and fixation are facilitated.

[0029] In this embodiment, the top surface of the U-shaped movable clamping plate 6 is embedded with a sealing bearing 12, the inner ring of the sealing bearing 12 is interference fitted with a rotating shaft 13, and the end of the rotating shaft 13 away from the sealing bearing 12 is welded with the bottom surface of the U-shaped clamp piece 7. The combination of the sealing bearing 12 and the rotating shaft 13 allows the U-shaped clamp piece 7 to rotate freely within a certain range, thereby adapting to different installation angle requirements and providing installation flexibility. The angle of the cable trough can be adjusted according to actual needs.

[0030] In this embodiment, the U-shaped clamp piece 7 can rotate and adjust the angle of the U-shaped clamp piece 7 on the U-shaped movable clamping plate 6 according to the angle required for the on-site cable trough hoisting and erection.

[0031] In this embodiment, one of the two opposite first lifting lugs 2 has a plug hole 9 at the top, and the other has a threaded hole 10 at the top. Through the design of the plug hole 9 and the threaded hole 10, a stable mounting point is provided for the pin 3, ensuring the safety and reliability during hoisting, improving the installation stability of the pin 3, preventing it from loosening or falling off during hoisting, and the design is simple and effective, facilitating the on-site construction personnel to quickly and accurately complete the assembly work.

[0032] In this embodiment, the free end of each pin 3 is provided with an external thread 11 threaded with the threaded hole 10. The design of the threaded hole 10 and the external thread 11 can further improve the installation stability of the pin 3 and prevent the pin 3 from falling off.

[0033] Working principle

[0034] Firstly, the square steel beam 8 is selected according to the size of the cable trough, and the length of the square steel beam 8 is ensured to cover the cable trough to be hoisted, the installation positions of the cable trough clamps 4 are determined and marked on the square steel beam 8 according to the number and spacing requirements of the cable troughs, the U-shaped movable clamping plate 6 is slidably clamped on the top surface of the square steel beam 8 and adjusted to the predetermined position, since the U-shaped movable clamping plate 6 is embedded with the annular magnet 14, the U-shaped movable clamping plate 6 can be magnetically attracted to the square steel beam 8 to provide preliminary fixation, and the position of the U-shaped movable clamping plate 6 is further reinforced by the locking hole 15 and the locking bolt knob 16 to ensure that the U-shaped movable clamping plate 6 is fixed on the square steel beam 8.

[0035] The U-shaped clamp 7 is installed, and the rotating shaft 13 at the bottom of the U-shaped clamp 7 is movably connected to the top of the U-shaped movable clamping plate 6 through the sealing bearing 12, so as to prepare for subsequent adjustment of the angle of the cable trough, the pin 3 is inserted between the first lifting lugs 2 at both ends of the square steel beam 8, and the pin 3 is locked in the insertion hole 9 and the threaded hole 10 of the first lifting lug 2, and the design of the external thread 11 enhances the stability of the pin 3.

[0036] The cable trough is placed on the U-shaped clamp 7, the angle of the U-shaped clamp 7 is adjusted according to the actual situation on site to adapt to the best erection direction, the distance between adjacent cable trough clamps 4 is adjusted to ensure that the spacing between the cable troughs is uniform, thereby ensuring the regularity of the overall layout.

[0037] The entire hoisting tool assembly 1 is hoisted by using the external lifting rope through the top of the pin 3, and the hoisting operation of the cable trough is started.

[0038] It should be noted that, in the present text, relational terms such as one and two are used only to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article, or equipment. Without more limitations, the statement "comprises an element limited by" does not exclude the presence of additional identical elements in the process, method, article, or equipment including the element.

[0039] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A preformed cable trough dedicated hoisting tool comprising a hoisting tool assembly (1), characterized in that: The hoisting tool assembly (1) comprises a square steel beam (8) for carrying a cable trough, two pins (3) symmetrically welded at the top of the two ends of the square steel beam (8), respectively, a second lifting lug (5) symmetrically welded at the bottom of the two ends of the square steel beam (8), and a plurality of cable trough clamps (4) provided on the square steel beam (8) for clamping the cable trough, wherein the two pins (3) are connected between the two opposite first lifting lugs (2), and the top of the two pins (3) can be hoisted by external lifting ropes, the cable trough clamp (4) comprises a U-shaped movable clamping plate (6) invertedly clamped on the top surface of the square steel beam (8) and a U-shaped clamp piece (7) movably connected to the top surface of the U-shaped movable clamping plate (6), the U-shaped clamp piece (7) carries the cable trough, and the position of the adjacent cable troughs is adjusted by adjusting the spacing position of the adjacent cable trough clamps (4).

2. A preformed cable trough dedicated hoisting tool according to claim 1, characterized in that: The inner wall of each U-shaped movable clamping plate (6) is fixedly embedded with an annular magnet (14), and when the U-shaped movable clamping plate (6) is clamped on the square steel beam (8), the annular magnet (14) is magnetically attracted to the square steel beam (8).

3. A preformed cable trough dedicated hoisting tool according to claim 2, characterized in that: The outer wall of the U-shaped movable clamping plate (6) and the center position of the annular magnet (14) are threadedly penetrated with a locking hole (15), one of the locking holes (15) is threadedly connected with a locking bolt knob (16), and the screw end of the locking bolt knob (16) abuts against the outer wall of the square steel beam (8).

4. A preformed cable trough dedicated hoisting tool according to claim 3, characterized in that: The top surface of the U-shaped movable clamping plate (6) is embedded with a sealing bearing (12), the inner ring of the sealing bearing (12) is interference-fitted with a rotating shaft (13), and the end of the rotating shaft (13) away from the sealing bearing (12) is welded to the bottom surface of the U-shaped clamp piece (7).

5. A preformed cable trough dedicated lifting tool according to claim 4, characterised in that: The U-shaped clamp piece (7) can rotate on the U-shaped movable clamping plate (6) to adjust the angle of the U-shaped clamp piece (7) according to the angle required by the on-site cable trough hoisting and erection.

6. A preformed cable trough dedicated lifting tool according to claim 5, characterised in that: One of the two opposite first lifting lugs (2) is provided with a jack (9) at the top, and the other is provided with a threaded hole (10) at the top.

7. A preformed cable trough dedicated lifting tool according to claim 6, characterised in that: The free end of each pin (3) is provided with an external thread (11) threadedly connected with the threaded hole (10).

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