Safe lifting platform for road and bridge construction

Abstract

The utility model relates to the technical field of lifting platforms, and discloses a safe lifting platform for road and bridge construction, which comprises a movable base, the movable base is a rectangular block, movable wheels are fixedly mounted at four corners of the bottom side of the movable base, a storage groove is formed in the upper end of the movable base, and a fixed lifter is arranged in the storage groove. And two first limiting plates are symmetrically and fixedly mounted on the upper side of the movable base. According to the utility model, through the combined design of the rotating side plates and the movable surrounding plates, the defect of insufficient protection of a traditional platform is effectively overcome. After being unfolded through a linkage structure of the first rotating column and the second rotating column, the rotating side plates are fixedly supported by the supporting blocks, and the working face is obviously expanded; after the movable coaming is pulled out of the movable groove, the end of the movable coaming extends to the side face of the rotary side plate, a closed fence is formed by being matched with constraint of the limiting block and the locking threaded column, and personnel are prevented from falling off. The structure not only guarantees the construction safety, but also meets the requirements of different working conditions through modular expansion.

Description

TECHNICAL FIELD

[0001] The utility model relates to lifting platform technical field especially relates to a safe lifting platform for road and bridge construction. BACKGROUND

[0002] In the road and bridge construction process, the lifting platform is the important equipment of high altitude operation, and its safety and functionality directly influence construction efficiency and personnel safety. The traditional lifting platform has the following problems: first, the structural stability is insufficient, and the wobble in the lifting process leads to unstable operation surface; second, the protection facility is shabby, lacks adjustable enclosure structure, and the construction personnel has the risk of falling; third, the platform area is fixed, cannot expand the operation range flexibly according to the working condition, and limits the adaptability of complex scene, for this reason, we propose a safe lifting platform for road and bridge construction. CONTENT OF UTILITY MODEL

[0003] The utility model mainly solves the technical problem of above-mentioned prior art, provides a safe lifting platform for road and bridge construction.

[0004] In order to realize above-mentioned purpose, the utility model adopts the following technical scheme, a safe lifting platform for road and bridge construction, including mobile base, the mobile base is rectangular block, and the bottom side four corner positions of mobile base are all fixedly installed with mobile wheel, and the upper end of mobile base is provided with the storage groove, and the inside of storage groove is provided with the fixed lifter, and the upper side of mobile base is fixedly installed with two first limit plates, and the two first limit plates are slidably installed with lifting plate between, and the lower side of lifting plate is fixedly connected with the upper side of lifter, and the upper side of mobile base is fixedly installed with second limit plate, and the side of second limit plate is symmetrically provided with two mobile slots, and the inside of mobile slot is slidably installed with mobile fence, and the upper side of first limit plate is provided with the rotating rotary side plate, and the side of first limit plate is fixedly installed with the support block that supports rotary side plate.

[0005] As preferred, the upper side of the first limit plate is fixedly installed with a mounting box, a first rotating column is rotatably installed in the inside of the mounting box, the rotary side plate is fixedly installed on the side of the first rotating column, a rotating groove is formed in one end of the first rotating column, a second rotating column is fixedly installed in the inside of the rotating groove corresponding to the position of the rotating groove in the mounting box, and the second rotating column is rotatably installed in the inside of the rotating groove.

[0006] As preferred, a clamping groove is formed in one end of the first rotating column, the clamping groove is a polygonal groove, an adaptive groove matched with the clamping groove is formed in the side of the mounting box corresponding to the position of the clamping groove, and a clamping block is slidably installed in the inside of the clamping groove and the adaptive groove.

[0007] As preferred, two first limit slots are symmetrically formed in the side of the lifting plate, and the first limit plate is slidably arranged in the inside of the two first limit slots.

[0008] Preferably, the side of the lifting plate is provided with a second limiting groove, a second limiting plate is arranged in the second limiting groove, and a movable fence is arranged above the first limiting plate.

[0009] Preferably, the upper side of the second limiting plate is provided with a third limiting groove, the third limiting groove is a rectangular groove, and a limiting block is fixedly installed at the position of the upper side of the movable fence corresponding to the third limiting groove.

[0010] Preferably, the upper side of the limiting block is lower than the upper side of the second limiting plate, a threaded hole is arranged at the upper end of the limiting block, and a locking threaded column is threadedly connected in the threaded hole. Beneficial effects

[0011] The utility model provides a safe lifting platform for road and bridge construction. It has the following beneficial effects:

[0012] (1), the safe lifting platform for road and bridge construction, through the combination design of rotating side plate and movable fence, effectively solve the defect that the traditional platform is not enough to protect. The rotating side plate is fixed and supported by the supporting block after the linkage structure of the first rotating column and the second rotating column is unfolded, and the operation surface is significantly expanded. After the movable fence is pulled out from the moving groove, the end thereof extends to the side surface of the rotating side plate, and the limiting block and the locking threaded column are matched to form a closed fence to prevent personnel from falling. The structure not only guarantees the construction safety, but also expands the adaptability to different working conditions through modularization.

[0013] (2), the safe lifting platform for road and bridge construction, the lifter is built in the storage groove, the lifting plate is slidably connected with the first limiting plate and the second limiting plate through the first limiting groove and the second limiting groove respectively, vertical guidance in the lifting process is realized, and shaking is reduced. After the clamping block is inserted into the clamping groove and the adaptive groove, the first rotating column can be locked, and the rigid support of the rotating side plate after unfolding is ensured. When the equipment is stored, the lifter can be folded or contracted into the movable base, which greatly saves space, is convenient for transportation and on-site deployment, and the operation stability is ensured through the multiple limiting structures. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor on the basis of the provided drawings.

[0015] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and do not have technical substantive significance, and any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0016] Figure 1 It is a schematic view of the overall structure of the utility model;

[0017] Figure 2 It is a schematic view of the local structure of the rotating side plate of the utility model;

[0018] Figure 3 It is a schematic view of the local structure of the lifting plate of the utility model;

[0019] Figure 4 It is a schematic view of the local structure of the second limiting plate of the utility model;

[0020] Legend:

[0021] 1, mobile base; 2, mobile wheel; 3, storage groove; 4, lifter; 5, first limiting plate; 6, second limiting plate; 7, lifting plate; 8, rotating side plate; 9, supporting block; 10, moving groove; 11, moving fence; 12, first limiting groove; 13, second limiting groove; 14, mounting box; 15, first rotating column; 16, clamping groove; 17, adaptive groove; 18, clamping block; 19, rotating groove; 20, second rotating column; 21, third limiting groove; 22, limiting block; 23, threaded hole; 24, locking threaded column; DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] As Figures 1-4As shown, a safety lifting platform for road and bridge construction includes a movable base 1, which is a rectangular block. Four casters 2 are fixedly installed at the four corners of the bottom side of the movable base 1. A storage groove 3 is provided at the upper end of the movable base 1, and a fixed lifting device 4 is installed inside the storage groove 3. Two first limiting plates 5 are symmetrically fixedly installed on the upper side of the movable base 1, and a lifting plate 7 is slidably installed between the two first limiting plates 5. The lower side of the lifting plate 7 is fixedly connected to the upper side of the lifting device 4. A second limiting plate is fixedly installed on the upper side of the movable base 1. 6. Two symmetrical moving slots 10 are opened on the side of the second limiting plate 6. A moving enclosure plate 11 is slidably installed inside the moving slot 10. A rotating side plate 8 is provided above the first limiting plate 5. A support block 9 is fixedly installed on the side of the first limiting plate 5 to support the rotating side plate 8. During normal use, the lifting device 4 is stored inside the storage slot 3. When needed, the construction worker stands above the lifting plate 7 and moves the lifting plate 7 and the construction worker upward by using the lifting device 4 to raise the height of the construction worker. The rotating side plate 8 rotates. After movement, it is supported by support block 9 to increase the area of ​​the construction position. The movable enclosure 11 is pulled out from inside the movable groove 10. One end of the movable enclosure 11 extends to one side of the rotating side plate 8 to protect the side of the rotating side plate 8. The upper side of the first limiting plate 5 is fixedly installed with an installation box 14. The first rotating column 15 is rotatably installed inside the installation box 14. The rotating side plate 8 is fixedly installed on the side of the first rotating column 15. One end of the first rotating column 15 is provided with a rotating groove 19. The second rotating column 2 is fixedly installed inside the installation box 14 at the position corresponding to the rotating groove 19. 0. The second rotating column 20 is rotatably installed inside the rotating groove 19. The rotating side plate 8 is movably installed inside the mounting box 14 through the first rotating column 15 and rotates the first rotating column 15 through the second rotating column 20 and the rotating groove 19. One end of the first rotating column 15 is provided with a slot 16, which is a polygonal slot. The side of the mounting box 14 is provided with an adapter slot 17 that matches the slot 16. The slot 16 and the adapter slot 17 are slidably installed with a block 18 inside. The block 18 is inserted into the adapter slot 17 and the slot 16.

[0024] The side of the lifting plate 7 is symmetrically provided with two first limiting grooves 12, the first limiting plate 5 is slidably arranged in the two first limiting grooves 12, the lifting plate 7 is assisted and supported when moving up and down through the two first limiting plates 5, the side of the lifting plate 7 is provided with a second limiting groove 13, the second limiting plate 6 is arranged in the second limiting groove 13, the moving fence 11 is arranged above the first limiting plate 5, the upper side of the second limiting plate 6 is provided with a third limiting groove 21, the third limiting groove 21 is a rectangular groove, the upper side of the moving fence 11 is fixedly installed with a limiting block 22 corresponding to the position of the third limiting groove 21, the limiting block 22 slides in the third limiting groove 21 when the moving fence 11 slides in the moving groove 10, the sliding position of the moving fence 11 is limited through the sliding of the limiting block 22 in the third limiting groove 21, the upper side of the limiting block 22 is lower than the upper side of the second limiting plate 6, the upper end of the limiting block 22 is provided with a threaded hole 23, a locking threaded column 24 is threadedly connected in the threaded hole 23, the locking threaded column 24 is rotated, and the lower end surface of the locking threaded column 24 is in contact with the upper side of the second limiting plate 6 to constrain the movement of the moving fence 11.

[0025] The working principle of the utility model is as follows:

[0026] During construction, the construction personnel stand on the lifting plate 7, the lifter 4 is started to drive the lifting plate 7 to vertically ascend along the limiting grooves of the first limiting plate 5 and the second limiting plate 6. After reaching the target height, the rotating side plate 8 is rotated outward, so that it is rotated to a horizontal state around the first rotating column 15, and the bottom support is provided by the supporting block 9, so that the extended working surface is formed. Then, the moving fence 11 is horizontally pulled out from the moving groove 10, the limiting block 22 is slid along the third limiting groove 21 to a predetermined position, the locking threaded column 24 is screwed to press the second limiting plate 6, the position of the moving fence 11 is fixed, and the enclosure structure is built. After the work is completed, the moving wheel 2 is transported to the next work station. During the whole process, the limiting groove and the clamping structure cooperate to ensure that the equipment runs stably and the protection is reliable.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A safe lifting platform for road and bridge construction, comprising a mobile base (1), the mobile base (1) is a rectangular block, and mobile wheels (2) are fixedly installed at the bottom corners of the mobile base (1), characterized in that: The upper end of the mobile base (1) is provided with a receiving groove (3), the inside of the receiving groove (3) is provided with a fixed lifter (4), the upper side of the mobile base (1) is symmetrically provided with two first limiting plates (5), the two first limiting plates (5) are slidably provided with a lifting plate (7) between them, the lower side of the lifting plate (7) is fixedly connected with the upper side of the lifter (4), the upper side of the mobile base (1) is fixedly provided with a second limiting plate (6), the side surface of the second limiting plate (6) is symmetrically provided with two moving grooves (10), the inside of the moving groove (10) is slidably provided with a moving fence (11), the upper side of the first limiting plate (5) is provided with a rotating side plate (8), the side surface of the first limiting plate (5) is fixedly provided with a supporting block (9) supporting the rotating side plate (8).

2. The safe lifting platform for road and bridge construction according to claim 1, characterized in that: The upper side of the first limiting plate (5) is fixedly provided with a mounting box (14), the inside of the mounting box (14) is rotatably provided with a first rotating column (15), the rotating side plate (8) is fixedly installed on the side surface of the first rotating column (15), one end of the first rotating column (15) is provided with a rotating groove (19), the inside of the mounting box (14) is fixedly provided with a second rotating column (20) corresponding to the position of the rotating groove (19), and the second rotating column (20) is rotatably installed in the inside of the rotating groove (19).

3. The safe lifting platform for road and bridge construction according to claim 2, characterized in that: One end of the first rotating column (15) is provided with a clamping groove (16), the clamping groove (16) is a polygonal groove, the side surface of the mounting box (14) is provided with an adaptive groove (17) corresponding to the position of the clamping groove (16), and the adaptive groove (17) is matched with the clamping groove (16). The inside of the clamping groove (16) and the adaptive groove (17) is slidably provided with a clamping block (18).

4. The safe lifting platform for road and bridge construction of claim 1, wherein: The side surface of the lifting plate (7) is symmetrically provided with two first limiting grooves (12), and the first limiting plate (5) is slidably arranged in the inside of the two first limiting grooves (12).

5. The safe lifting platform for road and bridge construction according to claim 4, characterized in that: The side surface of the lifting plate (7) is provided with a second limiting groove (13), the second limiting plate (6) is arranged in the inside of the second limiting groove (13), and the moving fence (11) is arranged above the first limiting plate (5).

6. The safe lifting platform for road and bridge construction of claim 1, wherein: The upper side of the second limiting plate (6) is provided with a third limiting groove (21), the third limiting groove (21) is a rectangular groove, and the upper side of the moving fence (11) is fixedly provided with a limiting block (22) corresponding to the position of the third limiting groove (21).

7. The safe lifting platform for road and bridge construction according to claim 6, characterized in that: The upper side of the limiting block (22) is lower than the upper side of the second limiting plate (6), the upper end of the limiting block (22) is provided with a threaded hole (23), and the inside of the threaded hole (23) is threadedly connected with a locking threaded column (24).

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