CN210886933U

CN210886933U - Anti-falling device for bridge construction

Info

Publication number: CN210886933U
Application number: CN201920921128.XU
Authority: CN
Inventors: 相立凡; 熊国义
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-06-30
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a dropproof device is used in bridge construction, the on-line screen storage device comprises a base, the pneumatic cylinder is all installed to base upper surface both sides, the top of pneumatic cylinder is provided with hydraulic telescoping rod, the lifter plate is installed to hydraulic telescoping rod's the other end, the bounding wall is installed at the lifter plate top, the preceding terminal surface of bounding wall is provided with the emergency exit, install the bolt lock before the emergency exit on the terminal surface, the guide bar is all installed to four corners on the base upper surface, the through-hole and the limiting plate connection on the lifter plate are passed to the other end of guide bar, be provided with the auto-lock hand wheel between two liang of neighbors of pneumatic cylinder, the auto-lock hand wheel is two, and two the auto-lock. The utility model solves the problems of the prior anti-falling device for bridge construction that the protection is not good, the up-down lifting movement is unstable, and the fixing and the movement are inconvenient; the utility model discloses convenient to use, the practicality is strong, and the security is high.

Description

Anti-falling device for bridge construction

Technical Field

The utility model relates to a bridge construction equipment technical field specifically is a dropproof device is used in bridge construction.

Background

A bridge (bridge) refers to a building constructed for a road to cross a natural or artificial obstacle, and is erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through. The bridge generally consists of an upper structure, a lower structure and an auxiliary structure, wherein the upper structure mainly refers to a bridge span structure and a support system; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like. The bridge is divided according to a structural system and comprises four basic systems, namely a beam bridge, an arch bridge, a rigid bridge and a suspension cable bearing (a suspension bridge and a cable-stayed bridge).

When a bridge is constructed, lifting equipment is required to be used for lifting workers, but the conventional lifting equipment is unstable in lifting, workers are not protected, the lifting stability is low, the workers are easy to fall off from the lifting equipment, and the safety is low; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge construction is with dropproof device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a falling-proof device for bridge construction comprises a base, hydraulic cylinders are arranged on both sides of the upper surface of the base, the top of the hydraulic cylinder is provided with a hydraulic telescopic rod, the other end of the hydraulic telescopic rod is provided with a lifting plate, a coaming is arranged at the top of the lifting plate, a safety door is arranged on the front end face of the coaming, a bolt lock is arranged on the front end face of the safety door, four corners on the upper surface of the base are respectively provided with a guide rod, the other end of each guide rod passes through a through hole on the lifting plate to be connected with the limiting plate, two self-locking hand wheels are arranged between every two adjacent hydraulic cylinders, the two self-locking hand wheels are symmetrical about the vertical center line of the base, a threaded rod is arranged at the bottom of each self-locking hand wheel, the other end of the threaded rod penetrates through a threaded hole in the base to be connected with a connecting plate, and the connecting plate is connected with the supporting seat through a fastening bolt.

Preferably, a tapping box is installed at the center of the front end face of the inner wall of the enclosing plate, and a control button is arranged on the front end face of the tapping box.

Preferably, the number of the through holes is four, and the four through holes are respectively arranged at four corners of the upper surface and the lower surface of the lifting plate.

Preferably, the threaded holes are two, the two threaded holes are respectively formed in the two sides of the upper surface and the lower surface of the base, and internal threads on the inner wall of each threaded hole are in threaded engagement with external threads on the outer wall of the threaded rod.

Preferably, universal wheels are mounted at four corners of the lower surface of the base.

Preferably, the lower surface of the supporting seat is provided with anti-skid concave-convex stripes.

Preferably, oil filler points are arranged on two sides of the upper surface of the base, and the oil filler points are communicated with the threaded holes.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a bounding wall, emergency exit and bolt lock's cooperation setting, the staff closes the emergency exit after standing on the lifter plate, and insert the bolt lock for bounding wall and emergency exit have avoided the staff not to stand steadily to fall off from the lifter plate around the protection staff, play fine guard action, have improved the security; through the matching arrangement of the guide rod and the limiting plate, the guide rod plays a role in guiding the up-and-down movement of the lifting plate, so that the up-and-down movement of the lifting plate is more stable, thereby improving the lifting stability of the lifting plate, further improving the safety of the lifting plate, and limiting the lifting plate to raise height; through the cooperation use of universal wheel, auto-lock hand wheel, threaded rod, screw hole, connecting plate and supporting seat, when the perpendicular distance of supporting seat lower surface and base lower surface is greater than the perpendicular distance of universal wheel bottom and base bottom, the utility model discloses a supporting seat is fixed subaerially at the level, when the perpendicular distance of supporting seat lower surface and base lower surface is less than the perpendicular distance of universal wheel bottom and base bottom, the utility model discloses an universal wheel can remove subaerially at the level, thereby the utility model discloses both can fix subaerially at the level, can remove subaerially at the level again, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: 1. a safety door; 2. a latch lock; 3. a lifting plate; 4. a guide bar; 5. a hydraulic telescopic rod; 6. A hydraulic cylinder; 7. a base; 8. a universal wheel; 9. a self-locking hand wheel; 10. a threaded rod; 11. a connecting plate; 12. A supporting seat; 13. anti-skid concave-convex stripes; 14. a limiting plate; 15. enclosing plates; 16. a control button; 17. A tapping box; 18. a through hole; 19. a threaded hole; 20. and an oil filling hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a falling-prevention device for bridge construction comprises a base 7, hydraulic cylinders 6 are respectively arranged on two sides of the upper surface of the base 7, a hydraulic telescopic rod 5 is arranged at the top of each hydraulic cylinder 6, a lifting plate 3 is arranged at the other end of each hydraulic telescopic rod 5, a coaming 15 is arranged at the top of each lifting plate 3, a safety door 1 is arranged on the front end surface of each coaming 15, a bolt lock 2 is arranged on the front end surface of each safety door 1, guide rods 4 are respectively arranged at four corners of the upper surface of the base 7, the other ends of the guide rods 4 penetrate through holes 18 in the lifting plates 3 to be connected with a limiting plate 14, self-locking hand wheels 9 are arranged between every two adjacent hydraulic cylinders 6, the self-locking hand wheels 9 are two, the two self-locking hand wheels 9 are symmetrical about the vertical central line of the base 7, connecting plate 11 passes through fastening bolt and is connected with supporting seat 12, the preceding terminal surface central point department of putting of bounding wall 15 inner wall installs tapping box 17, be provided with control button 16 on the preceding terminal surface of tapping box 17, through-hole 18 is four, and four corners of seting up respectively at lifter plate 3 upper and lower surface in four through-holes 18, screw hole 19 is two, and two screw holes 19 set up respectively in the both sides of base 7 upper and lower surface, be connected for thread engagement between the internal thread on the screw hole 19 inner wall and the external screw thread on the threaded rod 10 outer wall, universal wheel 8 is all installed to four corners on the base 7 lower surface, the unsmooth stripe of antiskid 13 has been seted up on the supporting seat 12 lower surface, oil filler point 20 has all been seted up to the both sides of base 7 upper surface, and link.

The working principle is as follows: when the safety guard is used, an external power supply is switched on, a worker stands on the lifting plate 3, then the safety door 1 is closed, and the bolt lock 2 is inserted, so that the surrounding plate 15 and the safety door 1 protect the periphery of the worker, the worker is prevented from falling off the lifting plate 3 without standing stably, a good protection effect is achieved, and the safety is improved; through the matching arrangement of the guide rod 4 and the limiting plate 14, the guide rod 4 plays a role in guiding the up-and-down movement of the lifting plate 3, so that the up-and-down movement of the lifting plate 3 is more stable, the lifting stability of the utility model is improved, the safety of the utility model is further improved, and the limiting plate 14 limits the lifting height of the lifting plate 3; when the staff need make lifter plate 3 carry out the oscilaltion, control button 16 starts hydraulic cylinder 6, and hydraulic telescoping rod 5 flexible can drive lifter plate 3's rising or decline, when the perpendicular distance of supporting seat 12 lower surface and base 7 lower surface is greater than the perpendicular distance of 8 bottoms of universal wheel and base 7 bottom, the utility model discloses a supporting seat 12 is fixed on the level ground, when the perpendicular distance of supporting seat 12 lower surface and base 7 lower surface is less than the perpendicular distance of 8 bottoms of universal wheel and base 7 bottom, the utility model discloses an universal wheel 8 can remove on the level ground, thereby the utility model discloses both can fix on the level ground, can remove on the level ground again, and the practicality is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bridge construction is with dropproof device, includes base (7), its characterized in that: pneumatic cylinder (6) are all installed to base (7) upper surface both sides, the top of pneumatic cylinder (6) is provided with hydraulic telescoping rod (5), lifter plate (3) is installed to the other end of hydraulic telescoping rod (5), bounding wall (15) are installed at lifter plate (3) top, the preceding terminal surface of bounding wall (15) is provided with emergency exit (1), install bolt lock (2) on the preceding terminal surface of emergency exit (1), guide bar (4) are all installed to four corners on base (7) upper surface, the other end of guide bar (4) passes through-hole (18) on lifter plate (3) and is connected with limiting plate (14), pneumatic cylinder (6) are provided with auto-lock hand wheel (9) between two liang of neighbours, auto-lock hand wheel (9) are two, and two auto-lock hand wheel (9) about the perpendicular center line symmetry of base (7), threaded rod (10) are installed to the bottom of auto-lock hand wheel (9), threaded hole (19) on base (7) are passed to the other end of threaded rod (10) and are connected with connecting plate (11), connecting plate (11) are connected with supporting seat (12) through fastening bolt.

2. The anti-falling device for bridge construction according to claim 1, wherein: a tapping box (17) is installed at the center of the front end face of the inner wall of the enclosing plate (15), and a control button (16) is arranged on the front end face of the tapping box (17).

3. The anti-falling device for bridge construction according to claim 1, wherein: the number of the through holes (18) is four, and the four through holes (18) are respectively arranged at four corners of the upper surface and the lower surface of the lifting plate (3).

4. The anti-falling device for bridge construction according to claim 1, wherein: the threaded holes (19) are two, the threaded holes (19) are respectively arranged on the two sides of the upper surface and the lower surface of the base (7), and internal threads on the inner wall of each threaded hole (19) are in threaded engagement with external threads on the outer wall of the threaded rod (10).

5. The anti-falling device for bridge construction according to claim 1, wherein: universal wheels (8) are mounted at four corners of the lower surface of the base (7).

6. The anti-falling device for bridge construction according to claim 1, wherein: the lower surface of the supporting seat (12) is provided with anti-skid concave-convex stripes (13).

7. The anti-falling device for bridge construction according to claim 1, wherein: oil filler point (20) have all been seted up to the both sides of base (7) upper surface, and link up each other between oil filler point (20) and screw hole (19).