CN211256682U - A kind of protective device for bridge construction - Google Patents

Abstract

The utility model relates to a bridge construction technical field just discloses a protector is used in bridge construction, this protector is used in bridge construction, including support column, last connecting rod, lower connecting rod, its characterized in that: connecting rod and lower connecting rod on the top and the below difference fixedly connected with of support column, the slide rail groove has been seted up to the transverse connecting rod upside of lower connecting rod, protection platform device has been placed to slide rail groove top, movable fixed cover has been cup jointed in the activity on the transverse connecting rod of last connecting rod, circular through-hole has been seted up on movable fixed cover, and fixing bolt passes circular through-hole fixed connection and sheathes in at portable fixed, and the gyro wheel rolls along slide rail groove level, drives protection platform device and shifts on the horizontal direction, and drive gear drives the elevating platform through with the straight-teeth gear meshing on the stand, thereby has realized that the operation platform has the protection network in the removal of level and vertical side, and the welding has the protection network between the stand, ensures constructor's.

Description

A kind of protective device for bridge construction

technical field

The utility model relates to the technical field of bridge construction, in particular to a protection device for bridge construction.

Background technique

In the process of bridge construction, there will be various high-altitude operations, so we need to set up scaffolding to carry out construction operations at the bottom or side of the bridge. This type of scaffolding is relatively simple in structure and does not have necessary protective measures for personal safety. When the construction personnel work on the scaffolding, there is a great potential safety hazard, and the scaffolding is time-consuming and laborious. Once the construction is completed, it cannot be moved. affected the progress of the project.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a protection device for bridge construction, which solves the problems of safety protection and the inability of the working platform to move.

(2) Technical solutions

In order to realize the purpose of the above-mentioned safety protection and the immovability of the working platform, the utility model provides the following technical scheme: a protective device for bridge construction, comprising a support column, an upper connecting rod, and a lower connecting rod, and the upper and lower parts of the support column are respectively The upper link and the lower link are fixedly connected, the upper side of the transverse link of the lower link is provided with a slide rail groove, a protective platform device is placed above the slide rail groove, and the transverse link of the upper link is on the upper side. The movable sleeve is connected with a movable fixing sleeve, the movable fixing sleeve is provided with a circular through hole, and the fixing bolt is fixedly connected to the movable fixing sleeve through the circular through hole.

Preferably, the protective platform device includes a lifting table and a base, four corners of the upper side of the base are fixedly connected with uprights, the upper part of the uprights is welded and fixed with the lower side of the movable fixing sleeve, and the front and rear of the lifting table are fixed. A transmission shaft is arranged on both sides, a transmission gear is fixedly sleeved on the transmission shaft, a spur gear is opened on the side of the column close to the transmission gear, a roller is arranged under the base, and two of the protective platform device A protective net is welded and fixed to the rear side respectively.

Preferably, the four transmission gears are respectively arranged at four corners of the lifting worktable, and the transmission gears are symmetrical about the central axis of the lifting work sleeve.

Preferably, the spur gear is meshed with the transmission gear.

Preferably, the protective net can resist slag with a diameter of more than 5 mm.

Preferably, the cross-sectional shape of the slide rail groove is a trapezoid, and the inner wall of the slide rail groove is in rolling connection with the roller.

Compared with the prior art, the utility model provides a protective device for bridge construction, which has the following beneficial effects:

1. The protective device for bridge construction, the roller rolls horizontally along the slide rail groove, and drives the protective platform device to move in the horizontal direction. When it moves to the designated position, tighten the fixed bolts on the movable fixed sleeve to limit the protective platform. The device moves in the horizontal direction, thereby realizing the movement of the work platform in the horizontal direction.

2. The protective device for bridge construction, the power device in the lifting table drives the transmission gear to rotate, and the transmission gear meshes with the spur gear on the column to drive the lifting table to move up and down. When it moves to the designated position, the transmission gear stops rotating. The lifting worktable is fixed, which realizes the vertical movement of the work platform, and a protective net is welded between the columns, which can better ensure the safety of construction workers.

Description of drawings

Fig. 1 is the structural perspective view of the utility model;

Fig. 2 is the partial enlarged view of A in the utility model structure Fig. 1;

FIG. 3 is a top view of the protective platform device of the present invention.

Among them: 1. Support column; 2. Upper connecting rod; 3. Lower connecting rod; 4. Slide rail groove; 5. Movable fixing sleeve; 6. Protective platform device; 7. Fixing bolt; 601. Lifting table; 602 603, transmission shaft; 604, base; 605, roller; 606, column; 607, protective net; 608, spur gear.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a protective device for bridge construction, comprising a support column 1, an upper connecting rod 2, and a lower connecting rod 3. The upper connecting rod 2 and the lower connecting rod 3 are fixedly connected to the upper and lower parts of the supporting column 1, respectively. The lower link 3, the upper side of the transverse link of the lower link 3 is provided with a sliding rail groove 4, a protective platform device 6 is placed above the sliding rail groove 4, and the movable sleeve of the transverse link of the upper link 2 has a movable fixed Sleeve 5, the movable fixed sleeve 5 is provided with a circular through hole, the fixing bolt 7 is fixedly connected to the movable fixed sleeve 5 through the circular through hole, the cross-sectional shape of the slide rail groove 4 is trapezoid, and the The inner wall is connected to the roller 605 by rolling, the trapezoidal cross-sectional shape of the slide rail groove 4 and the roller 605 can fit together better, and the roller 605 is not easy to disengage from the slide rail groove 4, and the roller 605 rolls horizontally along the slide rail groove 4. , drive the protective platform device 6 to move in the horizontal direction. When moving to the designated position, tighten the fixing bolts 7 on the movable fixed sleeve 5 to limit the protective platform device 6 to move in the horizontal direction, thereby realizing the working platform in the horizontal direction. Movement in the horizontal direction.

The protective platform device 6 includes a lifting table 601 and a base 604. The four corners of the upper side of the base 604 are fixedly connected with a column 606. The upper part of the column 606 is welded and fixed on the lower side of the movable fixed sleeve 5. The front and rear sides of the lifting table 601 are A transmission shaft 603 is provided, and a transmission gear 602 is fixedly sleeved on the transmission shaft 603. Four transmission gears 602 are respectively arranged at the four corners of the lifting table 601. The transmission gears 602 are symmetrical about the central axis of the lifting table 601, which can make the lifting work. The platform 601 is more stable in the process of lifting and lowering, and the bumps during the lifting process are reduced. The side of the column 606 close to the transmission gear 602 is provided with a spur gear 608, and the spur gear 608 is meshed with the transmission gear 602. Drive the transmission gear 602 to rotate, and the transmission gear 602 drives the lifting table 601 to move up and down through meshing with the spur gear on the column 606. When it moves to the designated position, the transmission gear 602 stops rotating, and the lifting table 601 is stationary, realizing the operation platform. Moving in the vertical direction, a roller 605 is provided below the base 604, and protective nets 607 are welded and fixed on the two sides and the rear side of the protective platform device 6 respectively. Good protection for the safety of construction workers.

When in use, use ropes to hang the protective device on the bottom or side of the bridge, place the protective platform device 6 on the slide rail groove 4 with a trapezoidal cross-sectional shape, and apply a thrust to the protective platform device 6 in the horizontal direction. The roller 605 rolls horizontally on the slide rail groove 4, and the roller 605 drives the protective platform device 6 to slide in the horizontal direction. When it moves to the designated position, tighten the fixed bolt 7 on the movable fixed sleeve 5 to limit the protective platform device. 6 Move in the horizontal direction, so that the protective platform device can move freely in the horizontal direction. When the worktable needs to move in the vertical direction, the motor output end of the lifting worktable 601 is connected with the transmission shaft 603, The transmission shaft 603 drives the transmission gear 602 to rotate, and the transmission gear 602 drives the lifting table 601 to move up and down through meshing with the spur gear 608 on the column 606, so as to realize the vertical movement of the operation platform. A protective net is welded between the columns 606. 607, the protective net 607 can effectively resist falling waste with a diameter of more than 5mm, which can better ensure the safety of construction workers.

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

Claims (6)

1. The utility model provides a protector is used in bridge construction, includes support column (1), upper connecting rod (2), lower connecting rod (3), its characterized in that: connecting rod (2) and lower connecting rod (3) on the top and the below difference fixedly connected with of support column (1), slide rail groove (4) have been seted up to the horizontal connecting rod upside of lower connecting rod (3), protection platform device (6) have been placed to slide rail groove (4) top, movable fixed cover (5) have been cup jointed in the activity on the horizontal connecting rod of going up connecting rod (2), circular through-hole has been seted up on movable fixed cover (5), and fixing bolt (7) pass circular through-hole fixed connection on movable fixed cover (5).

2. The protection device for bridge construction according to claim 1, characterized in that: protection platform device (6) are including elevating platform (601), base (604), the four corners fixedly connected with stand (606) of the upside of base (604), the top welded fastening of stand (606) is at the downside of portable fixed cover (5), both sides all are provided with transmission shaft (603) around elevating platform (601), the fixed cover is gone up in transmission shaft (603) has been connect drive gear (602), straight-teeth gear (608) have been seted up to one side that stand (606) are close to drive gear (602), the below of base (604) is provided with gyro wheel (605), the both sides and the rear side of protection platform device (6) welded fastening respectively have protection network (607).

3. The protection device for bridge construction according to claim 2, characterized in that: the four transmission gears (602) are respectively arranged at four corners of the lifting workbench (601), and the transmission gears (602) are symmetrical about the central axis of the lifting workbench (601).

4. The protection device for bridge construction according to claim 2, characterized in that: the straight gear (608) is meshed with the transmission gear (602).

5. The protection device for bridge construction according to claim 2, characterized in that: the protective net (607) can resist the crushed slag with the diameter of more than 5 mm.

6. The protection device for bridge construction according to claim 2, characterized in that: the cross section of the slide rail groove (4) is trapezoidal, and the inner wall of the slide rail groove (4) is in rolling connection with the roller (605).

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