CN214659004U

CN214659004U - Protector is used in bridge construction

Info

Publication number: CN214659004U
Application number: CN202120214403.1U
Authority: CN
Inventors: 姜天慧
Original assignee: Liaoning Genyuan Road And Bridge Construction Engineering Co ltd
Current assignee: Liaoning Genyuan Road And Bridge Construction Engineering Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-09
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a protective device for bridge construction, which comprises two bases, two supporting frames, a protective frame and a protective screen, wherein the upper ends of the two bases are respectively fixed with the supporting frames, the two supporting frames are provided with a height adjusting mechanism, the protective frame is horizontally fixed at the upper end of the height adjusting mechanism, the height adjusting mechanism comprises a longitudinal sliding chute, a height adjusting rod, a driving shaft, a driving gear and a driving motor, the front side of the supporting frame is provided with the longitudinal sliding chute, the longitudinal sliding chute is internally connected with the height adjusting rod in a sliding way, the height adjusting rod sequentially comprises a driving rack plate and a lifting rod from bottom to top, the bottom ends of the driving rack plate and the lifting rod are respectively fixed with a longitudinal sliding block matched with the longitudinal sliding chute, the inner wall of the longitudinal sliding chute is equidistantly fixed with a limiting support ring, the protective screen is laid on the protective frame through a rolling mechanism, the utility model is used by matching the height adjusting mechanism and the rolling mechanism, the whole protection device has the functions of adjustable height and adjustable protection area, and is very convenient to use.

Description

Protector is used in bridge construction

Technical Field

The utility model relates to a bridge building technical field specifically is a protector is used in bridge construction.

Background

In the road and bridge construction process, in order to ensure the personal safety of constructors, a protective device is required to be used on a construction site to prevent the constructors from being hit by falling objects, so that life danger is brought.

However, most of the high-altitude falling object protection devices in the road and bridge construction process adopt scaffolds to build a frame body, and then a protective net is bound on the built frame body to achieve the protection purpose. However, this approach has some drawbacks, such as: the process of building and dismantling is extremely troublesome, and extremely large time and labor-saving cost are required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protector is used in bridge construction in order 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 protective device for bridge construction comprises two bases, two supporting frames, a protective frame and a protective net, wherein the upper ends of the two bases are respectively and vertically fixed with the supporting frames, the two supporting frames are provided with a height adjusting mechanism, the left end and the right end of the protective frame are horizontally fixed at the upper end of the height adjusting mechanism through fixing rods, the height adjusting mechanism comprises longitudinal sliding grooves, height adjusting rods, a driving shaft, a driving gear and a driving motor, the front side of each supporting frame is longitudinally provided with a longitudinal sliding groove, each longitudinal sliding groove is internally and slidably connected with a height adjusting rod, the height adjusting rods sequentially comprise driving rack plates and lifting rods from bottom to top, the bottom ends of the driving rack plates and the lifting rods are respectively and fixedly provided with longitudinal sliding blocks matched with the longitudinal sliding grooves, the inner walls of the longitudinal sliding grooves are equidistantly fixed with limiting support rings for supporting the longitudinal sliding blocks along the length direction, the driving rack plate is connected with the lifting rod through a connecting spring, the driving shaft is horizontally and rotatably connected between the two supporting frames, driving gears matched with the driving rack plate are respectively fixed at the left end and the right end of the driving shaft, one end of the driving shaft is connected with the driving motor through a coupler, the protection frame is of a [ -structure, and a protection net is laid on the protection frame through a winding mechanism;

one end of the protective net is fixed on the rear end of the protective frame, the other end of the protective net is connected with the rolling mechanism, the rolling mechanism comprises a mounting seat fixed above the end part of the protective frame, a push rod horizontally and rotatably connected to the side wall of the mounting seat, a rolling support fixed at the free end of the push rod and capable of moving forwards and backwards along the horizontal direction, transverse grooves respectively formed on the left side wall and the right side wall of the protective frame along the horizontal direction, a protective roller horizontally positioned in the protective frame and with two ends rotatably connected to the rolling support, and walking gears fixed on the two end parts of the protective roller, the rolling support is composed of a transverse connecting plate and longitudinal fixed sliding blocks which are fixed at two ends of the transverse connecting plate and are in sliding connection with the left outer side wall and the right outer side wall of the protective frame, and the left and right side walls of the protective frame are both provided with abdicating holes for the two end parts of the protective roller to pass through along the horizontal direction, and rack sets matched with the walking gears are uniformly distributed at the bottom of the transverse groove along the length direction of the transverse groove.

Preferably, each base is provided with a wheel.

Preferably, the lifting rods are at least two, and the two adjacent lifting rods are connected through a connecting spring.

Preferably, the inner diameter of the limiting support ring is smaller than the width of the longitudinal sliding block, and the inner diameter of the limiting support ring is larger than the diameter of the lifting rod.

Preferably, the transverse connecting plate consists of a threaded sleeve rotatably connected with the mounting seat and a screw rod in threaded connection with the inner wall of the threaded sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a high adjustment mechanism and winding mechanism's cooperation is used for whole protector has height, protective area has the adjustable function, thereby has improved its practicality.

(2) When in use, the operation is very simple and convenient, thereby saving a large amount of time and labor and economic cost.

Drawings

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

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is a top view of the structure of fig. 1 in the direction a-a.

In the figure: 1. a base; 2. a support frame; 3. a longitudinal chute; 4. driving the rack plate; 5. a connecting spring; 6. a longitudinal slide block; 7. a limiting support ring; 8. a lifting rod; 9. a drive shaft; 10. a drive gear; 11. a drive motor; 12. a wheel; 13. fixing the rod; 14. a protective frame; 15. a transverse slot; 16. a transverse connecting plate; 17. longitudinally fixing the sliding block; 18. a protective roller; 19. a traveling gear; 20. a protective net; 21. a mounting seat; 22. a push rod; 23. and (4) a yielding 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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a protector is used in bridge construction, includes two bases 1, two support frames 2, protective framework 14 and protection network 20, two 1 upper ends of base vertical fixation respectively have support frame 2, and is equipped with altitude mixture control mechanism on two support frames 2, protective framework 14 passes through dead lever 13 level fixation in altitude mixture control mechanism's upper end about both ends, and altitude mixture control mechanism includes vertical spout 3, altitude mixture control pole, drive shaft 9, drive gear 10 and driving motor 11, every vertical spout 3 has been vertically seted up along the front side of support frame 2, and sliding connection has the altitude mixture control pole in every vertical spout 3, the supreme drive rack plate 4 and the lifter 8 of including in proper order down of altitude mixture control pole, and the bottom of drive rack plate 4 and lifter 8 all is fixed with vertical slider 6 with 3 looks adaptations of vertical spout, the inner wall of vertical spout 3 is fixed with the limit support ring that is used for supporting vertical slider 6 along its length direction equidistance 7, the driving rack plates 4 are connected with the lifting rods 8 through connecting springs 5, the driving shaft 9 is horizontally and rotatably connected between the two supporting frames 2, driving gears 10 matched with the driving rack plates 4 are respectively fixed at the left end and the right end of the driving shaft 9, one end of the driving shaft 9 is connected with a driving motor 11 through a coupler, the protective frame 14 is of a [ "structure, a protective net 20 is laid on the protective frame 14 through a winding mechanism, and the protective net 20 can be made of nylon materials or elastic steel wire meshes;

one end of the protection net 20 is fixed at the rear end of the protection frame 14, the other end of the protection net 20 is connected with a rolling mechanism, the rolling mechanism comprises a mounting seat 21 fixed above the end part of the protection frame 14, a push rod 22 horizontally and rotatably connected to the side wall of the mounting seat 21, a rolling support fixed at the free end of the push rod 22 and capable of moving forwards and backwards along the horizontal direction, transverse grooves 15 respectively formed on the left and right side walls of the protection frame 14 along the horizontal direction, a protection roller 18 horizontally positioned in the protection frame 14 and rotatably connected to the rolling support at two ends, and walking gears 19 fixed at two ends of the protection roller 18, the rolling support is composed of a transverse connecting plate 16 and longitudinal fixing sliders 17 fixed at two ends of the transverse connecting plate 16 and slidably connected with the left and right outer side walls of the protection frame 14, and the left and right side walls of the protection frame 14 are both provided with abdicating holes 23 for two end parts of the protection roller 18 to pass through along the horizontal direction, and rack groups matched with the walking gears 19 are uniformly distributed at the bottom of the transverse groove 15 along the length direction of the transverse groove.

In this embodiment, each base 1 is provided with a wheel 12 for moving.

In this embodiment, the lifting rods 8 are at least two, and the two adjacent lifting rods 8 are connected through the connecting spring 5, so as to play a role in buffering.

In this embodiment, the inner diameter of the limit support ring 7 is smaller than the width of the longitudinal sliding block 6, and the inner diameter of the limit support ring 7 is larger than the diameter of the lifting rod 8, on one hand, in order to support the longitudinal sliding block 6 and prevent the longitudinal sliding block 6 from descending through the limit support ring 7, on the other hand, in the process of ascending of the lifting rod 8, the inner diameter can pass through the limit support ring 7 above the limit support ring and continue to ascend against the lifting rod 8 above the limit support ring 7, thereby facilitating the adjustment of the height of the protection frame 14.

In this embodiment, the transverse connecting plate 16 is composed of a threaded sleeve rotatably connected to the mounting base 21 and a screw rod threadedly connected to the inner wall of the threaded sleeve, and the length of the push rod 22 can be adjusted by rotating the threaded sleeve, so as to facilitate pushing the winding support to advance or retreat, so that the winding support drives the protective roller 18 to wind and unwind the protective net 20 in the advancing or retreating process.

The working principle is as follows: in use, the whole device is pushed to a designated position, as shown in fig. 1, at which the protection frame 14 is located at the lowest position, when the protection area of the protection net 20 needs to be adjusted, only the push rods 22 need to be rotated to change the length of the push rods 22, for example: when the length of the push rod 22 is lengthened, the push rod 22 pushes the rolling bracket to move towards one end far away from the mounting seat 21, in the moving process of the rolling support, the protective roller 18 is driven to rotate through the matching of the rack group and the walking gear 19, the protective roller 18 unreels the protective net 20 in the rotating process until the protective net 20 is laid to a required protective area, then, the driving motor 11 is started to drive the driving shaft 9 to rotate, and during the rotation of the driving shaft 9, the driving gear 10 also rotates along with the driving shaft, meanwhile, the driving rack plate 4 is lifted under the driving action of the driving gear 10, and the lifting rod 8 is pushed to lift in the process of lifting the driving rack plate 4, and then the protection frame 14 is lifted to a required height, and when an object falling from high altitude falls onto the protection net 20, the protection frame 14 plays a role of buffering under the action of the connecting spring 5.

The whole device is convenient and quick to use, and saves a large amount of time and labor and economic cost.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a protector is used in bridge construction, includes two bases (1), two support frames (2), protective frame (14) and protection network (20), its characterized in that: two base (1) upper end vertical fixation respectively has support frame (2), and is equipped with high adjustment mechanism on two support frames (2), both ends pass through dead lever (13) horizontal fixation in high adjustment mechanism's upper end about protective frame (14), and high adjustment mechanism includes vertical spout (3), altitude mixture control pole, drive shaft (9), drive gear (10) and driving motor (11), every vertical spout (3) have been vertically seted up along the front side of support frame (2), and sliding connection has the altitude mixture control pole in every vertical spout (3), the supreme drive rack board (4) and lifter (8) of including in proper order are followed to the altitude mixture control pole, and the bottom of drive rack board (4) and lifter (8) all is fixed with vertical slider (6) with vertical spout (3) looks adaptation, the inner wall of vertical spout (3) is fixed with the spacing of being used for supporting vertical slider (6) along its length direction equidistance The driving rack plate (4) is connected with the lifting rod (8) through a connecting spring (5), the driving shaft (9) is horizontally and rotatably connected between the two supporting frames (2), driving gears (10) matched with the driving rack plate (4) are respectively fixed at the left end and the right end of the driving shaft (9), one end of the driving shaft (9) is connected with a driving motor (11) through a coupler, the protective frame (14) is of a [ -structure, and a protective net (20) is laid on the protective frame (14) through a rolling mechanism;

one end of the protective net (20) is fixed at the rear end of the protective frame (14), the other end of the protective net (20) is connected with a rolling mechanism, the rolling mechanism comprises a mounting seat (21) fixed above the end part of the protective frame (14), a push rod (22) horizontally and rotatably connected to the side wall of the mounting seat (21), a rolling support fixed at the free end of the push rod (22) and capable of moving forwards and backwards along the horizontal direction, transverse grooves (15) respectively formed in the left side wall and the right side wall of the protective frame (14) along the horizontal direction, a protective roller (18) horizontally positioned in the protective frame (14) and rotatably connected to the rolling support at two ends and walking gears (19) fixed at two end parts of the protective roller (18), the rolling support is composed of a transverse connecting plate (16) and longitudinal fixing sliders (17) fixed at two ends of the transverse connecting plate (16) and slidably connected with the left outer side wall and the right outer side wall of the protective frame (14), and the left side wall and the right side wall of the protective frame (14) are both provided with abdicating holes (23) for the two ends of the protective roller (18) to pass through along the horizontal direction, and the bottom of the transverse groove (15) is uniformly distributed with rack groups matched with the walking gear (19) along the length direction.

2. The protection device for bridge construction according to claim 1, characterized in that: each base (1) is provided with a wheel (12).

3. The protection device for bridge construction according to claim 1, characterized in that: the lifting rods (8) are at least two, and the two adjacent lifting rods (8) are connected through connecting springs (5).

4. The protection device for bridge construction according to claim 1, characterized in that: the inner diameter of the limiting support ring (7) is smaller than the width of the longitudinal sliding block (6), and the inner diameter of the limiting support ring (7) is larger than the diameter of the lifting rod (8).

5. The protection device for bridge construction according to claim 1, characterized in that: the transverse connecting plate (16) consists of a threaded sleeve rotationally connected with the mounting seat (21) and a screw rod in threaded connection with the inner wall of the threaded sleeve.