Anti-falling device for bridge construction

Abstract

The utility model discloses a bridge construction anti-falling device which comprises a counter-balanced carriage, an electric hydraulic telescopic rod is fixedly installed in the counter-balanced carriage, 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 counter-balanced carriage, and a first sliding block clamped on the sliding rail in a sliding mode is fixed to the top of the adjusting frame. A rack plate is slidably mounted on the adjusting frame in a clamped mode and driven by a driving gear mounted in the adjusting frame to move, a sliding groove is formed in the inner wall of one side of the adjusting frame, a second sliding block slidably clamped in the sliding groove is fixed to one side of the rack plate, a construction platform frame is mounted at the bottom end of the rack plate, and a guardrail is mounted on the peripheral side of the construction platform frame. The utility model relates to the technical field of bridge construction, in particular to an anti-falling device for bridge construction, which can be suitable for workers with different heights, protect the workers, prevent the workers from falling from high positions and protect the safety of the workers.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, concretely is a bridge construction anti -fall device. BACKGROUND

[0002] When the bridge construction, the worker needs long time to be in high place operation, the existing will add the guardrail and the protection box on the platform to protect the safety of the worker, prevent the worker from falling from high place, however the existing guardrail still has certain insufficient when using, the existing guardrail is generally fixed invariable in height when using, cannot adjust according to the actual worker's height, will reduce the guardrail to the worker's protection safety, reduce the practicality of guardrail, and the existing protection box also lacks the limiting mechanism to the worker, and the worker can also exist from high place fall phenomenon, cannot protect the worker comprehensively, therefore needs to propose a kind of bridge construction anti -fall device. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a bridge construction anti -fall device, which solves the existing problems.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a bridge construction anti -fall device, including counterweight frame, the counterweight frame is fixedly installed with electric hydraulic telescopic rod, the output end of electric hydraulic telescopic rod is installed with adjusting frame, the counterweight frame one side is fixedly installed with slide rail, the first sliding block of the counterweight frame top is fixed with the slide rail, the rack plate is slidably connected on the adjusting frame, the rack plate is driven to move by the driving gear installed in the adjusting frame, the slide groove is set up in the one side inner wall of adjusting frame, the second sliding block of the rack plate one side is fixedly connected in the slide groove, the construction platform frame is installed at the bottom of rack plate, the guardrail is installed on the periphery of construction platform frame, and the guardrail is driven to lift by the lifting mechanism arranged on the construction platform frame.

[0005] Preferably, the lower wall of the counterweight frame is fixedly installed with a supporting leg at four corners, and the bottom of the supporting leg is fixedly installed with a bolt fixing plate for bolting with the ground.

[0006] Preferably, the counterweight block is fixedly installed in the interior of the counterweight frame.

[0007] Preferably, the driving gear is meshed and transmission connected with the rack plate, the motor is fixed in the adjusting frame on one side of the driving gear, and the driving gear is fixed on the output end of the motor and driven to rotate by the motor.

[0008] Preferably, the lifting mechanism comprises lead screws distributed at four corners of the construction platform frame, one end of each lead screw is rotatably connected to the construction platform frame through a bearing, and the other end of each lead screw is fixed with a driven pulley, a motor is fixed on the construction platform frame, a driving pulley is mounted on the output end of the motor, the driving pulley and the driven pulley are drivingly connected through a belt, a threaded sleeve is threadedly connected to the lead screw, and the guardrail is fixedly connected with the threaded sleeve.

[0009] Preferably, the front surface of the counterweight frame and the adjusting frame is respectively provided with an inspection door which is mounted through bolts.

[0010] Beneficial effects

[0011] The bridge construction anti-falling device has the following beneficial effects compared with the prior art:

[0012] 1. The bridge construction anti-falling device is characterized in that an electric hydraulic telescopic rod is installed in the counterweight frame, the output end of the electric hydraulic telescopic rod is provided with an adjusting frame, the top of the adjusting frame is fixed with a first sliding block which is slidingly connected to a sliding rail, a rack plate is slidingly installed on the adjusting frame, the rack plate is driven to move through a driving gear, and the construction platform frame is driven to move up and down, so that the horizontal and vertical positions of the construction platform frame can be adjusted through the horizontal movement of the adjusting frame driven by the electric hydraulic telescopic rod and the up-down movement of the rack plate, the construction is extremely convenient, the counterweight block installed in the counterweight frame can increase the anti-inclination ability of the construction platform frame, the construction platform frame is prevented from inclining and workers from falling from the construction platform frame, and the protection performance for workers is improved.

[0013] 2. The bridge construction anti-falling device is characterized in that the motor is started to drive the driving pulley to rotate, the driving pulley drives the driven pulley to rotate, the lead screw is driven to rotate, the guardrail is driven to move up and down through the threaded transmission of the threaded sleeve and the lead screw, and when workers work in the construction platform frame, the guardrail can be used for workers of different heights to protect the workers and prevent the workers from falling from a high place. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model;

[0015] Figure 2 It is an overall structural schematic diagram of the utility model;

[0016] Figure 3 It is a front view structural schematic diagram of the utility model; Figure 2 Partial structural schematic diagram.

[0017] In the figure: 1, counterweight frame; 2, support leg; 3, bolt fixing plate; 4, counterweight block; 5, electric hydraulic telescopic rod; 6, adjusting frame; 7, sliding rail; 8, first sliding block; 9, rack plate; 10, driving gear; 11, sliding groove; 12, second sliding block; 13, construction platform frame; 14, screw rod; 15, driven pulley; 16, driving pulley; 17, motor; 18, threaded sleeve; 19, guardrail. DETAILED DESCRIPTION

[0018] 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 protection scope of the utility model.

[0019] Please refer to Figures 1-3 The utility model provides two technical schemes:

[0020] Embodiment one:

[0021] A bridge construction anti-falling device, including counterweight frame 1, counterweight frame 1 is fixedly installed with electric hydraulic telescopic rod 5, the output end of electric hydraulic telescopic rod 5 is installed with adjusting frame 6, and the one side of counterweight frame 1 is fixedly installed with sliding rail 7, and the top of adjusting frame 6 is fixed with first sliding block 8 that slides and connects on sliding rail 7, and rack plate 9 is slidably and connectingly installed on adjusting frame 6, and rack plate 9 is driven to move through the driving gear 10 installed in adjusting frame 6, the inner wall of one side of adjusting frame 6 is provided with sliding groove 11, and the one side of rack plate 9 is fixed with second sliding block 12 that slides and connects in sliding groove 11, and construction platform frame 13 is installed at the bottom end of rack plate 9, and guardrail 19 is installed on the circumferential side of construction platform frame 13, and guardrail 19 is driven to lift through the lifting mechanism set up on construction platform frame 13.

[0022] Embodiment two:

[0023] A bridge construction anti-falling device, including counterweight frame 1, counterweight frame 1 is fixedly installed with electric hydraulic telescopic rod 5, the output end of electric hydraulic telescopic rod 5 is installed with adjusting frame 6, and the one side of counterweight frame 1 is fixedly installed with sliding rail 7, and the top of adjusting frame 6 is fixed with first sliding block 8 that slides and connects on sliding rail 7, and rack plate 9 is slidably and connectingly installed on adjusting frame 6, and rack plate 9 is driven to move through the driving gear 10 installed in adjusting frame 6, the inner wall of one side of adjusting frame 6 is provided with sliding groove 11, and the one side of rack plate 9 is fixed with second sliding block 12 that slides and connects in sliding groove 11, and construction platform frame 13 is installed at the bottom end of rack plate 9, and guardrail 19 is installed on the circumferential side of construction platform frame 13, and guardrail 19 is driven to lift through the lifting mechanism set up on construction platform frame 13.

[0024] In this embodiment, the lower wall of the counterweight frame 1 is fixedly provided with a supporting leg 2 at each corner for supporting the counterweight frame 1, and the bottom of the supporting leg 2 is fixedly provided with a bolt fixing plate 3 for being bolted to the ground; the inside of the counterweight frame 1 is fixedly provided with a counterweight 4 for increasing the weight of the counterweight frame 1 and improving the stability of the suspension support of the counterweight frame 1; the driving gear 10 is in meshing transmission connection with the rack plate 9, and the driving gear 10 is provided with a motor fixed in the adjusting frame 6 at one side, the driving gear 10 is fixed to the output end of the motor and is driven to rotate by the motor, the driving gear 10 is rotated, the rack plate 9 is driven to move up and down by the meshing transmission connection of the driving gear 10 and the rack plate 9, thereby driving the construction platform frame 13 to lift; the lifting mechanism comprises lead screws 14 distributed at the four corners of the construction platform frame 13, one end of each lead screw 14 is rotatably connected to the construction platform frame 13 through a bearing, and the other end is fixedly provided with a driven pulley 15, the construction platform frame 13 is fixedly provided with a motor 17, the output end of the motor 17 is provided with a driving pulley 16, the driving pulley 16 and the driven pulley 15 are in transmission connection through a belt, a threaded sleeve 18 is threadedly connected to the lead screw 14, and a guardrail 19 is fixedly connected to the threaded sleeve 18; starting the motor 17 drives the driving pulley 16 to rotate, drives the driven pulley 15 to rotate, drives the lead screw 14 to rotate, thereby drives the guardrail 19 to lift by the threaded transmission of the threaded sleeve 18 and the lead screw 14, and the construction personnel can be protected by the guardrail 19 lifting when working in the construction platform frame 13, which is suitable for workers of different heights and protects the workers from falling from a high place; the front of the counterweight frame 1 and the adjusting frame 6 is provided with an access door by bolts, which is convenient for later maintenance and maintenance of the inside of the counterweight frame 1 and the adjusting frame 6.

[0025] When the bridge construction anti-falling device is used, the electric hydraulic telescopic rod 5 is installed in the counterweight frame 1, the output end of the electric hydraulic telescopic rod 5 is provided with the adjusting frame 6, the top of the adjusting frame 6 is fixedly provided with the first sliding block 8, the first sliding block 8 is slidingly connected to the slide rail 7, the adjusting frame 6 is slidingly provided with the rack plate 9, the rack plate 9 is driven to move by the driving gear 10, and the construction platform frame 13 is lifted, thereby the device can adjust the horizontal and vertical positions of the construction platform frame 13 by driving the adjusting frame 6 to move horizontally by the electric hydraulic telescopic rod 5 and driving the rack plate 9 to move up and down, which is extremely convenient during construction, and the counterweight 4 installed in the counterweight frame 1 increases the anti-inclination ability of the construction platform frame 13, avoids the construction platform frame 13 from tilting and the workers from falling from the construction platform frame 13, and improves the protection performance for the workers; in addition, the device drives the driving pulley 16 to rotate by starting the motor 17, drives the driven pulley 15 to rotate, drives the lead screw 14 to rotate, thereby drives the guardrail 19 to lift by the threaded transmission of the threaded sleeve 18 and the lead screw 14, and the construction personnel can be protected by the guardrail 19 lifting when working in the construction platform frame 13, which is suitable for workers of different heights and protects the workers from falling from a high place, and protects the workers.

[0026] Meanwhile, the contents not described in detail in the present specification are all the prior art known to those skilled in the art.

[0027] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] Although the embodiments of the present application 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 present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bridge construction fall protection device comprising a counterweight frame (1), characterised in that: The counterweight frame (1) is internally fixedly installed with an electric hydraulic telescopic rod (5), the output end of the electric hydraulic telescopic rod (5) is installed with an adjusting frame (6), one side of the counterweight frame (1) is fixedly installed with a sliding rail (7), the top of the adjusting frame (6) is fixedly installed with a first sliding block (8) slidably clamped on the sliding rail (7), the adjusting frame (6) is slidably clamped and installed with a rack plate (9), the rack plate (9) is driven to move by the driving gear (10) installed in the adjusting frame (6), the sliding groove (11) is arranged in the inner wall of one side of the adjusting frame (6), the rack plate (9) is fixedly installed with a second sliding block (12) slidably clamped in the sliding groove (11), the bottom end of the rack plate (9) is installed with a construction platform frame (13), the periphery of the construction platform frame (13) is installed with a guardrail (19), the guardrail (19) is driven to lift by the lifting mechanism arranged on the construction platform frame (13).

2. The bridge construction fall protection device of claim 1, wherein: The lower wall of the counterweight frame (1) is fixedly installed with a supporting leg (2) at four corners, respectively, the bottom of the supporting leg (2) is fixedly installed with a bolt fixing plate (3) for bolt fixing with the ground.

3. The bridge construction fall protection device of claim 1, wherein: The inside of the counterweight frame (1) is fixedly installed with a counterweight block (4).

4. The bridge construction fall protection device of claim 1, wherein: The driving gear (10) is in meshing transmission connection with the rack plate (9), the driving gear (10) is provided with a motor fixedly installed in the adjusting frame (6) on one side, the driving gear (10) is fixedly installed at the output end of the motor and is driven to rotate by the motor.

5. The bridge construction fall protection device of claim 1, wherein: The lifting mechanism comprises lead screws (14) distributed at four corners of the construction platform frame (13), one end of the lead screw (14) is rotatably connected with the construction platform frame (13) through a bearing, the other end is fixedly installed with a driven pulley (15), the construction platform frame (13) is fixedly installed with a motor (17), the output end of the motor (17) is installed with a driving pulley (16), the driving pulley (16) and the driven pulley (15) are in transmission connection through a belt, the lead screw (14) is threadedly connected with a threaded sleeve (18), the guardrail (19) is fixedly connected with the threaded sleeve (18).

6. The bridge construction fall protection device of claim 1, wherein: The front surface of the counterweight frame (1) and the adjusting frame (6) is installed with an access door through bolts, respectively.

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