A hoisting mechanism for highway engineering construction

Abstract

The present invention relates to the technical field of highway bridge construction, and discloses a hoisting mechanism for highway engineering construction, including a connecting piece. Below the connecting piece, there are an elbow and a connecting block. A plurality of fixing rods are fixedly connected between the inner wall of the connecting block and the outer wall of the connecting piece. The cross-section of the connecting block is L-shaped. Symmetrically arranged moving grooves are provided at both ends of the connecting block. A support block is slidably connected in each moving groove. The cross-section of the support block is U-shaped. The upper section of the support block is slidably connected to the moving groove, and the lower section of the support block is located inside the elbow. A tightening component is connected at the corner of the connecting block, and the upper section of the support block is connected to the tightening component. This hoisting mechanism for highway engineering construction ensures the accurate landing of the elbow, reduces the construction difficulty, shortens the construction time, and thus can accelerate the overall construction progress.

Description

Technical Field

[0001] The present invention relates to the technical field of highway construction hoisting, and specifically relates to a hoisting mechanism for highway engineering construction. Background Art

[0002] In the complex and cumbersome process of highway engineering construction, the laying of pipelines is undoubtedly a crucial part. These pipelines not only undertake important functions such as fluid transportation and drainage, but also the quality and efficiency of their laying directly affect the progress and quality of the entire highway project. Especially when it comes to the laying of heavy pipelines, the construction difficulty and complexity are significantly increased. Due to the large mass and inertia of heavy pipelines themselves, it is very laborious to manually carry and align the pipelines, which affects the overall construction progress. Therefore, a special hoisting mechanism is needed to carry and lay them.

[0003] As in the prior art, the patent with the authorization announcement number CN219807654U discloses a heavy pipeline hoisting mechanism for highway engineering construction, belonging to the technical field of heavy pipeline hoisting equipment for engineering construction. The device includes elastic binding straps, with an auxiliary crossbar arranged above the elastic binding straps. The elastic binding straps can reciprocate along the length direction of the auxiliary crossbar. There are two elastic binding straps, and one end of each elastic binding strap is provided with a sliding block. The elastic binding strap is hinged to the sliding block, and the sliding block slides outside the auxiliary crossbar. A bracket welded to the auxiliary crossbar is arranged between the two sliding blocks, and driving members fixed to the auxiliary crossbar by screws are arranged on both sides of the bracket. The driving members are used to drive the sliding blocks to move; the above hoisting mechanism does not require tying ropes and directly uses a hanging connection method to fix the pipeline. At the same time, a central reference structure is set in combination with the auxiliary crossbar, which can quickly realize the hoisting of pipelines with different length dimensions and improve work efficiency.

[0004] However, the existing hoisting mechanism still has certain defects when in use;

[0005] When the existing hoisting mechanism lays pipelines, due to the special shape and structure of the elbows of heavy pipelines, the elbows often face downward during the hoisting process. This orientation not only is not conducive to the accurate landing of the elbows, but also easily causes deviation in the position of the elbows after landing, requiring additional adjustment work, increasing the construction difficulty and prolonging the construction time, affecting the overall construction progress. Summary of the Invention

[0006] Aiming at the deficiencies of the prior art, the present invention provides a hoisting mechanism for highway engineering construction, which is convenient for hoisting elbows.

[0007] To achieve the above object, the present invention provides the following technical solution: A hoisting mechanism for highway engineering construction, including a connecting piece, with an elbow and a connecting block arranged below the connecting piece. A plurality of fixing rods are fixedly connected between the inner wall of the connecting block and the outer wall of the connecting piece. The cross-section of the connecting block is L-shaped, and symmetrically arranged moving grooves are opened at both ends of the connecting block. A support block is slidably connected in each moving groove. The cross-section of the support block is U-shaped. The upper section of the support block is slidably connected to the moving groove, and the lower section of the support block is located inside the elbow. A tightening component is connected at the corner of the connecting block, and the upper section of the support block is connected to the tightening component.

[0008] Further, the tightening component includes a winding roller, a pulling rope, and a motor. A connecting groove is opened at the inner corner of the connecting block. A winding roller is rotatably connected in the connecting groove. The top of the winding roller is fixedly connected with a motor. Two vertically arranged winding grooves are opened on the outer wall of the winding roller. One end of the upper section of each of the two support blocks close to the winding roller is fixedly connected with a pulling rope. The pulling ropes are wound on the inner walls of the two winding grooves, and the winding directions of the pulling ropes in the two winding grooves are the same. A lead wire groove corresponding to the position of the pulling rope is opened between the moving groove and the connecting groove.

[0009] Further, two guiding rollers are rotatably connected in the connecting groove, and the middle part of each guiding roller is slidably connected to one pulling rope respectively.

[0010] Further, a guiding rod is fixedly connected to one side of the inner wall of the moving groove close to the winding roller. A sliding groove corresponding to the position of the guiding rod is opened on the upper section of the support block. One end of the guiding rod is fixedly connected with a fixing block. A sliding slot corresponding to the position of the fixing block is opened on the upper section of the support block. A tension spring is sleeved on the outer wall of the guiding rod, and both ends of the tension spring are fixedly connected to the side wall of the fixing block and the inner wall of the sliding slot respectively.

[0011] Further, a storage groove is opened on the lower section of the support block. A positioning plate is slidably connected in the storage groove. One side of the positioning plate close to the winding roller is fixedly connected with a support rod, and one end of the support rod is fixedly connected with a support column.

[0012] Further, a connecting rope is fixedly connected to one side of the fixing block away from the guiding rod, and the other end of the connecting rope is fixedly connected to the positioning plate. A guiding groove corresponding to the position of the connecting rope is opened on the inner wall of the support block. A pressure spring is fixedly connected in the storage groove, and the other end of the pressure spring is fixedly connected to the positioning plate.

[0013] Further, support seats are fixedly connected to the upper surfaces of the lower section of the support block and the support column respectively. The top of the support seat is arc-shaped, and the diameter of the support seat is smaller than the inner diameter of the elbow.

[0014] Further, a sealing sleeve is fixedly connected between one side of the positioning plate close to the support rod and the inner wall of the storage groove. Waterproof sleeves are fixedly connected between both ends of the connecting block and the outer walls of the upper sections of the support blocks. Both the sealing sleeve and the waterproof sleeve are of the accordion cover type.

[0015] Furthermore, a protective cover is fixedly connected to the outer wall of the motor, and the protective cover is fixedly connected to the upper surface of the connecting block at the corner.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. This type of hoisting mechanism for highway engineering construction uses the mutual cooperation between the support block and the connecting block to achieve L-shaped support for the elbow, thereby effectively preventing the elbow from rotating or tilting during the hoisting process and ensuring that the elbow maintains a stable hoisting posture. This L-shaped support structure not only provides sufficient support force, but also makes the elbow more stable during the hoisting process, reducing damage or safety hazards that may be caused by shaking or swinging, ensuring the accurate landing of the elbow, reducing construction difficulty and time, and thus speeding up the overall construction progress;

[0018] 2. The motor drives the winding roller to tighten the rope, which can accurately control the moving distance of the support block, thereby achieving stable lifting of elbows of different sizes;

[0019] 3. The rotating design of the guide roller also makes the movement of the rope smoother. When the rope is tightened or loosened, the guide roller will rotate with the movement of the rope. This rotation reduces the resistance of the rope during movement, making the entire lifting process smoother and more efficient.

[0020] 4. The automatic reset function allows the lifting mechanism to remain compact and neat when no support is required, making it easy to store and transport. The automatic reset design of the positioning plate avoids unnecessary friction and wear between the support rod and support column and the inner wall of the elbow or other parts of the support block during movement, thereby extending the service life of the lifting mechanism and reducing the space required for disassembly of the lifting mechanism.

[0021] 5. The sealing sleeve and waterproof sleeve can prevent groundwater from entering, prevent the tension spring, pressure spring, pull rope and connecting rope and other components from being corroded, and can also prevent small particles of debris from entering to increase resistance and wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the motor, connecting block and connecting member of the present invention;

[0024] Figure 3 It is a schematic diagram of the three-dimensional disassembled structure of the connecting block, the supporting block and the tightening assembly of the present invention;

[0025] Figure 4 It is a schematic diagram of the three-dimensional cross-sectional structure of the connecting block, the guide rod and the fixed block of the present invention;

[0026] Figure 5 This is a three-dimensional exploded structural schematic diagram of the support block, guide rod, support column and support rod of the present invention;

[0027] Figure 6 This is a three-dimensional exploded structural schematic diagram of the support column, support plate, positioning plate and sealing sleeve of the present invention;

[0028] Figure 7 This is a three-dimensional structural schematic diagram of the tightening assembly of the present invention;

[0029] Figure 8 is Figure 5 An enlarged three-dimensional sectional structural schematic diagram at position A above.

[0030] In the figure: 1, connecting piece; 2, elbow; 3, connecting block; 4, fixed rod; 5, moving groove; 6, support block; 7, fixed block; 8, connecting groove; 9, winding roller; 10, winding groove; 11, pulling rope; 12, lead wire groove; 13, motor; 14, guide roller; 15, sliding groove; 16, sliding slot; 17, guiding groove; 18, receiving groove; 19, positioning plate; 20, support rod; 21, support column; 22, support seat; 23, connecting rope; 24, tension spring; 25, pressure spring; 26, sealing sleeve; 27, waterproof sleeve; 28, protective sleeve; 29, guide rod. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0032] Please refer to Figures 1 to 8 , a hoisting mechanism for highway engineering construction, including a connecting piece 1. Below the connecting piece 1, there are an elbow 2 and a connecting block 3. Between the inner wall of the connecting block 3 and the outer wall of the connecting piece 1, a plurality of fixed rods 4 are fixedly connected. The cross-section of the connecting block 3 is L-shaped. Symmetrically arranged moving grooves 5 are opened at both ends of the connecting block 3. A support block 6 is slidably connected in each moving groove 5. The cross-section of the support block 6 is U-shaped. The upper section of the support block 6 is slidably connected to the moving groove 5, and the lower section of the support block 6 is located inside the elbow 2. A tightening assembly is connected at the corner of the connecting block 3, and the upper section of the support block 6 is connected to the tightening assembly.

[0033] In the hoisting mechanism for highway engineering construction in the present invention, when it is necessary to hoist the elbow 2 of a heavy pipeline, first, connect the connecting piece 1 to the hook or boom of a hoisting device (such as a crane, a hoist, etc.), ensuring a firm and reliable connection. Then, move the connecting block 3 directly above the elbow 2, align the two support blocks 6 with the two openings of the elbow 2. Subsequently, lower the connecting block 3 so that the connecting block 3 fits against the outer wall at the top of the elbow 2. Then, start the tightening assembly to drive the two support blocks 6 to contract into the moving groove 5, causing the lower segments of the support blocks 6 to insert into the elbow 2. Subsequently, pull up the connecting block 3, and the support blocks 6 will rise accordingly. At this time, their lower segments will closely adhere to the inner wall of the elbow 2, providing stable support for the elbow 2. During the hoisting process, since the cross-section of the connecting block 3 is L-shaped, the two support blocks 6 will be in a vertical state, forming an L-shaped support for the elbow 2; by the mutual cooperation between the support blocks 6 and the connecting block 3, an L-shaped support for the elbow 2 is realized, which can effectively prevent the elbow 2 from rotating or tilting during hoisting, ensuring that the elbow 2 maintains a stable hoisting posture. This L-shaped support structure not only provides sufficient support force but also makes the elbow 2 more stable during hoisting, reducing the damage or potential safety hazards that may be caused by shaking or swinging, ensuring the accurate landing of the elbow 2, reducing the construction difficulty, shortening the construction time, and thus being able to accelerate the overall construction progress.

[0034] As a preferred technical solution of the present invention, the tightening assembly includes a winding roller 9, a pulling rope 11, and a motor 13. A connecting groove 8 is opened at the inner corner of the connecting block 3. A winding roller 9 is rotatably connected in the connecting groove 8. The top end of the winding roller 9 is fixedly connected with a motor 13. Two vertically arranged winding grooves 10 are opened on the outer wall of the winding roller 9. One end of the upper segments of the two support blocks 6 close to the winding roller 9 is fixedly connected with a pulling rope 11 respectively. The pulling ropes 11 are wound around the inner walls of the two winding grooves 10 respectively. The winding directions of the pulling ropes 11 in the two winding grooves 10 are the same. A lead groove 12 corresponding to the position of the pulling rope 11 is opened between the moving groove 5 and the connecting groove 8.

[0035] Specifically, when it is necessary to move the support blocks 6, the motor 13 will drive the winding roller 9 to rotate. Since the winding directions of the pulling ropes 11 in the two winding grooves 10 are the same, the winding roller 9 can simultaneously wind up the two pulling ropes 11, thereby pulling the upper segments of the support blocks 6 to move. As the pulling ropes 11 are continuously tightened, the support blocks 6 will gradually approach the corner of the connecting block 3, and the lower segments of the support blocks 6 will correspondingly insert into the elbow 2 to realize the support for the elbow 2; by using the motor 13 to drive the winding roller 9 to tighten the pulling ropes 11, the moving distance of the support blocks 6 can be accurately controlled, so as to realize stable hoisting for elbows 2 of different sizes.

[0036] As a preferred technical solution of the present invention, two guide rollers 14 are rotatably connected in the connecting groove 8. Each guide roller 14 is slidably connected with the middle part of a pulling rope 11 respectively.

[0037] Specifically, the guiding roller 14 can provide guidance for the pulling rope 11. When the pulling rope 11 moves, it will slide along the surface of the guiding roller 14 instead of directly contacting the inner wall of the connecting block 3. This design effectively avoids the direct contact and friction between the pulling rope 11 and the inner wall of the connecting block 3, thereby reducing the wear and damage risk of the pulling rope 11 and increasing the service life of the pulling rope 11. The rotational design of the guiding roller 14 also makes the movement of the pulling rope 11 smoother. When the pulling rope 11 is tightened or loosened, the guiding roller 14 will rotate as the pulling rope 11 moves. This rotation reduces the resistance of the pulling rope 11 during movement, making the entire hoisting process more smooth and efficient.

[0038] As a preferred technical solution of the present invention, a guiding rod 29 is fixedly connected to one side of the inner wall of the moving groove 5 close to the winding roller 9. A sliding groove 15 corresponding to the position of the guiding rod 29 is opened in the upper section of the support block 6. One end of the guiding rod 29 is fixedly connected to a fixing block 7. A sliding slot 16 corresponding to the position of the fixing block 7 is opened in the upper section of the support block 6. A tension spring 24 is sleeved on the outer wall of the guiding rod 29, and both ends of the tension spring 24 are fixedly connected to the side wall of the fixing block 7 and the inner wall of the sliding slot 16 respectively.

[0039] Specifically, after the elbow 2 is moved to the pending position, the motor 13 reverses, and the winding roller 9 will release the pulling rope 11. At this time, under the action of the tension spring 24, the support block 6 is pulled away from the connecting block 3, so that the lower section of the support block 6 is moved out of the elbow 2. Then, the connecting block 3 is lifted, and the separation between the hoisting mechanism and the elbow 2 can be realized.

[0040] As a preferred technical solution of the present invention, a receiving groove 18 is opened in the lower section of the support block 6. A positioning plate 19 is slidably connected in the receiving groove 18. A support rod 20 is fixedly connected to one side of the positioning plate 19 close to the winding roller 9. One end of the support rod 20 is fixedly connected to a support column 21.

[0041] Specifically, when the lower section of the support block 6 is inserted into the elbow 2, the support rod 20 will extend out of the receiving groove 18, driving the support column 21 to move deeper into the elbow 2. By using this extension mechanism of the support rod 20 and the support column 21, the length of the entire support arm can be extended, so as to effectively support the deeper part inside the elbow 2, improve the hoisting effect on the elbow 2, and increase the movement stability of the elbow 2.

[0042] As a preferred technical solution of the present invention, a connecting rope 23 is fixedly connected to the side of the fixing block 7 away from the guiding rod 29. The other end of the connecting rope 23 is fixedly connected to the positioning plate 19. A guiding groove 17 corresponding to the position of the connecting rope 23 is opened in the inner wall of the support block 6. A pressure spring 25 is fixedly connected in the receiving groove 18, and the other end of the pressure spring 25 is fixedly connected to the positioning plate 19.

[0043] Specifically, when the lower section of the support block 6 is inserted into the elbow 2, under the action of the compression spring 25, the positioning plate 19 will push the support rod 20 and the support column 21 to extend, thereby improving the support effect and ensuring stable and strong support for the elbow 2 during hoisting; when the support block 6 moves outward, since the position of the fixed block 7 remains unchanged, the support block 6 drives the positioning plate 19 to move outward. At this time, the connecting rope 23 will pull the positioning plate 19 to slide, causing the positioning plate 19 to pull the support rod 20 into the storage groove 18. This automatic reset function enables the hoisting mechanism to remain compact and tidy when not in need of support, facilitating storage and transportation. The automatic reset design of the positioning plate 19 avoids unnecessary friction and wear between the support rod 20 and the support column 21 and the inner wall of the elbow 2 or other parts of the support block 6 during movement, extends the service life of the hoisting mechanism, and reduces the space required for disassembling the hoisting mechanism.

[0044] As a preferred technical solution of the present invention, support seats 22 are fixedly connected to the upper surfaces of the lower section of the support block 6 and the upper surface of the support column 21. The top of the support seat 22 is provided with an arc surface, and the diameter of the support seat 22 is smaller than the inner diameter of the elbow 2.

[0045] Specifically, since the inner diameter and curvature of the elbow 2 may vary due to different specifications and models, the support seat 22 with an arc surface design can better adapt to these changes and provide a stable support effect.

[0046] As a preferred technical solution of the present invention, a sealing sleeve 26 is fixedly connected between the side of the positioning plate 19 close to the support rod 20 and the inner wall of the storage groove 18, and a waterproof sleeve 27 is fixedly connected between both ends of the connecting block 3 and the outer wall of the upper section of the support block 6. Both the sealing sleeve 26 and the waterproof sleeve 27 are arranged in a bellows shape.

[0047] Specifically, the sealing sleeve 26 and the waterproof sleeve 27 can prevent groundwater from entering, avoid corrosion of components such as the tension spring 24, the compression spring 25, the pull rope 11, and the connecting rope 23, and also prevent small particle debris from entering and increasing resistance and wear; both the sealing sleeve 26 and the waterproof sleeve 27 are arranged in a bellows shape, which enables them to flexibly expand and contract with the relative movement of the components and always maintain a tight wrap around the connection part.

[0048] As a preferred technical solution of the present invention, a protective sleeve 28 is fixedly connected to the outer wall of the motor 13, and the protective sleeve 28 is fixedly connected to the upper surface at the corner of the connecting block 3.

[0049] Specifically, the setting of the protective sleeve 28 can effectively block external impurities from entering the interior of the motor 13, thereby reducing the risk of failure of the motor 13 caused by dust accumulation or water intrusion; at the same time, the protective sleeve 28 serves as a buffer layer, which can absorb part of the impact force and reduce the direct impact on the motor 13 body, protecting the motor 13 from physical damage.

[0050] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will appreciate that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hoisting mechanism for highway engineering construction, including a connecting piece (1), characterized in that, Below the described connecting piece (1), there is an elbow (2) and a connecting block (3). A plurality of fixing rods (4) are fixedly connected between the inner wall of the connecting block (3) and the outer wall of the connecting piece (1). The cross-section of the connecting block (3) is L-shaped. Symmetrically arranged moving grooves (5) are opened at both ends of the connecting block (3). A supporting block (6) is slidably connected in each moving groove (5). The cross-section of the supporting block (6) is U-shaped. The upper section of the supporting block (6) is slidably connected to the moving groove (5), and the lower section of the supporting block (6) is located inside the elbow (2). A tightening assembly is connected at the corner of the connecting block (3), and the upper section of the supporting block (6) is connected to the tightening assembly. The tightening assembly includes a winding roller (9), a pulling rope (11), and a motor (13). A connecting groove (8) is opened at the inner corner of the connecting block (3). A winding roller (9) is rotatably connected in the connecting groove (8). A motor (13) is fixedly connected to the top of the winding roller (9). Two vertically arranged winding grooves (10) are opened on the outer wall of the winding roller (9). One end of the upper section of each of the two supporting blocks (6) close to the winding roller (9) is fixedly connected with a pulling rope (11). The pulling ropes (11) are wound around the inner walls of the two winding grooves (10). The winding directions of the pulling ropes (11) in the two winding grooves (10) are the same. A lead wire groove (12) corresponding to the position of the pulling rope (11) is opened between the moving groove (5) and the connecting groove (8). A guide rod (29) is fixedly connected to one side of the inner wall of the moving groove (5) close to the winding roller (9). A sliding groove (15) corresponding to the position of the guide rod (29) is opened on the upper section of the supporting block (6). One end of the guide rod (29) is fixedly connected with a fixing block (7). A sliding groove (16) corresponding to the position of the fixing block (7) is opened on the upper section of the supporting block (6). A tension spring (24) is sleeved on the outer wall of the guide rod (29). The two ends of the tension spring (24) are respectively fixedly connected to the side wall of the fixing block (7) and the inner wall of the sliding groove (16).

2. The hoisting mechanism for highway engineering construction according to claim 1, characterized in that, Two guide rollers (14) are rotatably connected in the connecting groove (8). The middle of each pulling rope (11) is slidably connected to one of the guide rollers (14).

3. A hoisting mechanism for highway engineering construction according to claim 2, characterized in that, A storage groove (18) is opened on the lower section of the supporting block (6). A positioning plate (is slidably connected in the storage groove (18). A support rod (20) is fixedly connected to the side of the positioning plate (19) close to the winding roller (9). One end of the support rod (20) is fixedly connected with a support column (21).

4. A hoisting mechanism for highway engineering construction according to claim 3, characterized in that, A connecting rope (23) is fixedly connected to the side of the fixing block (7) away from the guide rod (29). The other end of the connecting rope (23) is fixedly connected to the positioning plate (19). A guide groove (17) corresponding to the position of the connecting rope (23) is opened on the inner wall of the supporting block (6). A pressure spring (25) is fixedly connected in the storage groove (18). The other end of the pressure spring (25) is fixedly connected to the positioning plate (19).

5. A hoisting mechanism for highway engineering construction according to claim 4, characterized in that, The upper surfaces of the lower segments of the support blocks (6) and the upper surfaces of the support columns (21) are fixedly connected with support seats (22). The tops of the support seats (22) are arranged as arc surfaces, and the diameters of the support seats (22) are smaller than the inner diameters of the elbows (2).

6. The hoisting mechanism for highway engineering construction according to claim 5, characterized in that, A sealing sleeve (26) is fixedly connected between the inner wall of the storage groove (18) and the side of the positioning plate (19) close to the support rod (20). Waterproof sleeves (27) are fixedly connected between the two ends of the connecting block (3) and the outer walls of the upper segments of the support blocks (6). Both the sealing sleeve (26) and the waterproof sleeves (27) are arranged in the form of bellows.

7. A hoisting mechanism for highway engineering construction according to claim 6, characterized in that, A protective sleeve (28) is fixedly connected to the outer wall of the motor (13), and the protective sleeve (28) is fixedly connected to the upper surface at the corner of the connecting block (3).

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