CN223562021U - Bridge construction anti-falling device - Google Patents

Abstract

The utility model discloses a bridge construction anti-falling device which comprises a counterweight frame, wherein an electric hydraulic telescopic rod is fixedly arranged in the counterweight frame, an adjusting frame is arranged at the output end of the electric hydraulic telescopic rod, a sliding rail is fixedly arranged at one side of the counterweight frame, a first sliding block which is in sliding clamping connection with the sliding rail is fixedly arranged at the top of the adjusting frame, a rack plate is arranged on the adjusting frame in a sliding clamping connection manner, the rack plate is driven to move through a driving gear arranged in the adjusting frame, a sliding groove is formed in the inner wall of one side of the adjusting frame, a second sliding block which is in sliding clamping connection with the sliding groove is fixedly arranged at one side of the rack plate, a construction platform frame is arranged at the bottom end of the rack plate, and a guardrail is arranged at the periphery of the construction platform frame.

Description

Bridge construction anti-falling device

Technical Field

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

Background

When constructing the bridge, the workman needs to be in the operation of eminence for a long time, current guardrail and protection box of can adding on the platform protect workman's safety, prevent that the workman from falling from the eminence, however, current guardrail still has certain not enough when using, current guardrail highly generally is invariable when using, can not carry out corresponding adjustment according to actual workman's height, can reduce guardrail to workman's protection security, reduce guardrail's practicality, current protection box also lacks simultaneously to workman's stop gear, the workman also can exist the phenomenon of falling from the eminence, can not protect the workman comprehensively, consequently, need propose a bridge construction anti-drop device.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a bridge construction falling prevention device, which solves the existing problems.

The bridge construction anti-falling device comprises a counterweight frame, an electric hydraulic telescopic rod is fixedly installed in the counterweight frame, an adjusting frame is installed at the output end of the electric hydraulic telescopic rod, a sliding rail is fixedly installed on one side of the counterweight frame, a first sliding block which is in sliding clamping connection with the sliding rail is fixedly arranged at the top of the adjusting frame, a rack plate is installed on the adjusting frame in sliding clamping connection, the rack plate is driven to move through a driving gear installed in the adjusting frame, a sliding groove is formed in the inner wall of one side of the adjusting frame, a second sliding block which is in sliding clamping connection with the sliding groove is fixedly arranged on one side of the rack plate, a construction platform frame is installed at the bottom end of the rack plate, a guardrail is installed on the periphery of the construction platform frame, and the guardrail is driven to lift through a lifting mechanism arranged on the construction platform frame.

Preferably, the four corners of the lower wall of the counterweight frame are respectively and fixedly provided with a supporting leg, and the bottom of the supporting leg is fixedly provided with a bolt fixing plate for being fixed with a ground bolt.

Preferably, the counterweight block is fixedly arranged in the counterweight frame.

Preferably, the driving gear is in meshed transmission connection with the rack plate, a motor fixed in the adjusting frame is arranged on one side of the driving gear, and the driving gear is fixed at the output end of the motor and is driven to rotate by the motor.

Preferably, the elevating system is including distributing the lead screw in construction platform frame four corners department, lead screw one end is connected with construction platform frame rotation through the bearing, and the other end is fixed with driven pulley, be fixed with the motor on the construction platform frame, the driving pulley is installed to the output of motor, be connected through belt transmission between driving pulley and the driven pulley, threaded connection has the thread bush on the lead screw, guardrail and thread bush fixed connection.

Preferably, the front surfaces of the counterweight frame and the adjusting frame are respectively provided with an access door through bolts.

Advantageous effects

The utility model provides a bridge construction falling prevention device. Compared with the prior art, the method has the following beneficial effects:

1. This device falls is prevented in bridge construction, install electric hydraulic telescoping rod in the counter weight frame, electric hydraulic telescoping rod's output installation alignment jig, first slider is fixed at alignment jig top, first slider slip joint is on the slide rail, sliding installation rack board on the alignment jig, the rack board passes through the drive gear drive and removes, drive construction platform frame and go up and down, thereby this device can carry out level and vertical position control with construction platform frame through electric hydraulic telescoping rod drive alignment jig horizontal migration and utilize rack board to reciprocate, it is extremely convenient during the construction, install the tilting prevention ability that the balancing weight increases construction platform frame in the counter weight frame simultaneously, avoid construction platform frame slope workman unexpected fall in the construction platform frame, improve the barrier propterty to the workman.

2. This device falls is prevented in bridge construction, thereby starter motor drive driving pulley rotates and drives driven pulley rotation and to drive the lead screw and rotate and to utilize thread bush and lead screw thread drive to drive the guardrail and go up and down, and then constructor when construction operation in construction platform frame, can be applicable to the staff of different heights through guardrail lift, protects the staff, avoids the staff to fall from the eminence, carries out safety protection to the staff.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the partial structure of FIG. 2 according to the present utility model.

The device comprises a counterweight frame 1, a supporting leg 2, a bolt fixing plate 3, a counterweight block 4, an electro-hydraulic telescopic rod 5, an adjusting frame 6, a 7, a sliding rail 8, a first sliding block 9, a rack plate 10, a driving gear 11, a sliding chute 12, a second sliding block 13, a construction platform frame 14, a screw rod 15, a driven belt pulley 16, a driving belt pulley 17, a motor 18, a threaded sleeve 19 and a guardrail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides two technical schemes:

Embodiment one:

The utility model provides a bridge construction anti-drop device, including counter weight frame 1, counter weight frame 1 internal fixation has electric hydraulic telescoping rod 5, regulating frame 6 is installed to electric hydraulic telescoping rod 5's output, counter weight frame 1 one side fixed mounting has slide rail 7, regulating frame 6 top is fixed with the first slider 8 of slip joint on slide rail 7, rack board 9 is installed to the slip joint on regulating frame 6, rack board 9 is through the drive gear 10 drive removal of installing in the regulating frame 6, spout 11 has been seted up to regulating frame 6 one side inner wall, rack board 9 one side is fixed with the second slider 12 of slip joint in spout 11, construction platform frame 13 is installed to rack board 9 bottom, guardrail 19 is installed to construction platform frame 13's week side, guardrail 19 is through the elevating system drive that sets up on the construction platform frame 13.

Embodiment two:

The utility model provides a bridge construction anti-drop device, including counter weight frame 1, counter weight frame 1 internal fixation has electric hydraulic telescoping rod 5, regulating frame 6 is installed to electric hydraulic telescoping rod 5's output, counter weight frame 1 one side fixed mounting has slide rail 7, regulating frame 6 top is fixed with the first slider 8 of slip joint on slide rail 7, rack board 9 is installed to the slip joint on regulating frame 6, rack board 9 is through the drive gear 10 drive removal of installing in the regulating frame 6, spout 11 has been seted up to regulating frame 6 one side inner wall, rack board 9 one side is fixed with the second slider 12 of slip joint in spout 11, construction platform frame 13 is installed to rack board 9 bottom, guardrail 19 is installed to construction platform frame 13's week side, guardrail 19 is through the elevating system drive that sets up on the construction platform frame 13.

In the embodiment, the four corners of the lower wall of the counterweight frame 1 are respectively fixedly provided with a supporting leg 2 for supporting the counterweight frame 1, the bottom of the supporting leg 2 is fixedly provided with a bolt fixing plate 3 for being fixed with a ground bolt, the counterweight frame 1 is internally fixedly provided with a counterweight 4 for increasing the weight of the counterweight frame 1 and improving the stability of the suspended support of the counterweight frame 1, a driving gear 10 is in meshed transmission connection with a rack plate 9, one side of the driving gear 10 is provided with a motor fixed in an adjusting frame 6, the driving gear 10 is fixed at the output end of the motor and is driven to rotate by the motor, the driving gear 10 rotates, the rack plate 9 is driven to move up and down by meshed transmission connection of the driving gear 10 and the rack plate 9, so that a construction platform frame 13 is driven to lift by driving the driving gear 10, the lifting mechanism comprises a screw 14 distributed at the four corners of the construction platform frame 13, one end of the screw 14 is rotatably connected with the construction platform frame 13 by a bearing, the other end of the screw 14 is fixedly provided with a driven belt pulley 15, a motor 17 is fixed on the construction platform 13, the output end of the motor 17 is provided with a belt pulley 16, the driving belt pulley 16 is in transmission connection with the driven belt pulley 15, a threaded sleeve 18 is connected with the screw 14, the screw sleeve 19 is in threaded connection with the motor 18, the driving belt pulley 19 is meshed transmission connection with the motor 18, the driving belt pulley 16 is driven by the driving belt pulley 16, the driving belt 16 is driven by the driving belt pulley 16 and the driving belt pulley 19 is driven by the driving belt 19 to rotate by the driving belt 13, and the driving belt 13 to rotate by the driving belt 13, and the lifting mechanism is driven by the lifting and the lifting mechanism, the operator is driven by the lifting and the operator through the lifting and the lifting mechanism, the lifting device, the operator is in front of the lifting device through the lifting and the lifting device through the lifting device, and the lifting device through the lifting device by the lifting device And the interior of the adjusting frame 6 is subjected to later maintenance.

When the bridge construction anti-falling device is used, the electric hydraulic telescopic rod 5 is installed in the counterweight frame 1, the regulating frame 6 is installed at the output end of the electric hydraulic telescopic rod 5, the first sliding block 8 is fixed at the top of the regulating frame 6, the first sliding block 8 is in sliding connection with the sliding rail 7, the rack plate 9 is slidably installed on the regulating frame 6, the rack plate 9 is driven to move through the driving gear 10, and the construction platform frame 13 is driven to lift, so that the device can horizontally and vertically regulate the position of the construction platform frame 13 through the horizontal movement of the electric hydraulic telescopic rod 5 and the up-down movement of the rack plate 9, the construction is extremely convenient during construction, meanwhile, the anti-tilting capacity of the construction platform frame 13 is increased by installing the counterweight 4 in the counterweight frame 1, the construction platform frame 13 is prevented from accidentally falling from the construction platform frame 13, the protection performance of workers is improved, in addition, the device starts the motor 17 to drive the driving pulley 16 to rotate, the driving pulley 15 to drive the driving screw 14 to rotate, and accordingly the guard rail 19 to lift through the screw sleeve 18 and the screw 14, and the guard 19 is driven by the screw threads of the screw sleeve 14, so that the constructor can lift the constructor lift in the construction platform frame 13, the construction work can be lifted through the guard can be applicable to workers from different falling positions, and the workers can be protected from the falling workers.

And all that is not described in detail in this specification is well known to those skilled in the art.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a bridge construction anti-drop device, includes counter weight frame (1), its characterized in that counter weight frame (1) internal fixation has electric hydraulic telescoping rod (5), regulating frame (6) are installed to the output of electric hydraulic telescoping rod (5), counter weight frame (1) one side fixed mounting has slide rail (7), regulating frame (6) top is fixed with first slider (8) of slip joint on slide rail (7), rack board (9) are installed in slip joint on regulating frame (6), rack board (9) are through the drive gear (10) drive of installing in regulating frame (6) removal, spout (11) have been seted up to regulating frame (6) one side inner wall, rack board (9) one side is fixed with second slider (12) of slip joint in spout (11), construction platform frame (13) are installed to rack board (9) bottom, guardrail (19) are installed through the elevating system drive that sets up on construction platform frame (13) to the week side of construction platform frame (13).

2. The bridge construction anti-falling device of claim 1 is characterized in that supporting legs (2) are fixedly arranged at four corners of the lower wall of the counterweight frame (1), and bolt fixing plates (3) are fixedly arranged at the bottoms of the supporting legs (2) and are used for being fixed with ground bolts.

3. The bridge construction falling prevention device according to claim 1 is characterized in that a balancing weight (4) is fixedly arranged in the balancing weight frame (1).

4. The bridge construction anti-falling device according to claim 1, wherein the driving gear (10) is in meshed transmission connection with the rack plate (9), a motor fixed in the adjusting frame (6) is arranged on one side of the driving gear (10), and the driving gear (10) is fixed at the output end of the motor and driven to rotate by the motor.

5. The bridge construction anti-falling device according to claim 1, wherein the lifting mechanism comprises screw rods (14) distributed at four corners of the construction platform frame (13), one end of each screw rod (14) is rotatably connected with the construction platform frame (13) through a bearing, a driven belt wheel (15) is fixed at the other end of each screw rod, a motor (17) is fixed on the construction platform frame (13), a driving belt wheel (16) is mounted at the output end of each motor (17), the driving belt wheel (16) is connected with the driven belt wheel (15) through belt transmission, a threaded sleeve (18) is connected to each screw rod (14) in a threaded mode, and the guardrail (19) is fixedly connected with the threaded sleeve (18).

6. The bridge construction anti-falling device according to claim 1 is characterized in that access doors are respectively arranged on the front surfaces of the counterweight frame (1) and the adjusting frame (6) through bolts.