CN215052170U

CN215052170U - Bridge construction anti-falling device

Info

Publication number: CN215052170U
Application number: CN202120754681.6U
Authority: CN
Inventors: 龙庆生
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-11
Filing date: 2021-04-11
Publication date: 2021-12-07
Anticipated expiration: 2031-04-11

Abstract

The utility model discloses a bridge construction anti-falling device, which comprises a base, wherein a first supporting plate is arranged on the base, the upper surface of the first supporting plate is provided with a first sleeve column, the inside of the first sleeve column is slidably provided with a second sleeve column, the upper ends of the four second sleeve columns are connected with a second supporting plate, the left side and the right side of the upper surface of the first supporting plate are respectively provided with a fixed plate, two guide rails are arranged between the two fixed plates, two slide blocks are respectively arranged on the two guide rails, a bidirectional screw rod is rotatably connected between the two fixed plates, the left and right sides of two-way lead screw is equipped with the connecting rod respectively, two the connecting rod respectively with two-way lead screw threaded connection, this device has realized highly adjusting the mounting bracket through the transmission relation between two-way lead screw, connecting rod, bracing piece, guide rail and the slider to be applicable to the bridge of different heights.

Description

Bridge construction anti-falling device

Technical Field

The utility model relates to a bridge construction technical field, concrete field is a device is prevented falling in bridge construction.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass.

The bridge construction mainly refers to the contents of bridge construction technology, construction organization, construction management, construction quality and the like according to the design content and the process of building the bridge. With the continuous progress of scientific technology, the current bridge construction technology is also continuously improved. Safety measures are very important in the construction process of the bridge, and the bridge construction anti-falling device is used in bridge construction.

The height of adjusting of the anti-falling device for bridge construction at present is inconvenient, the operation process is complex, the height of the anti-falling device cannot be adjusted efficiently according to the requirement of a construction site, the stability is not high, the practicability is not strong, the working efficiency is low, and the inconvenience is brought to the work of a construction worker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is prevented falling in bridge construction 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 bridge construction anti-falling device comprises a base, wherein four corners of the upper surface of the base are respectively provided with supporting legs, four upper ends of the supporting legs are provided with first supporting plates, four corners of the upper surface of each first supporting plate are respectively provided with a first sleeve column, four first sleeve columns are internally and slidably provided with second sleeve columns, four upper ends of the second sleeve columns are connected with second supporting plates, the left side and the right side of the upper surface of each first supporting plate are respectively provided with a fixed plate, two guide rails are arranged between the two fixed plates in parallel, two guide rails are respectively provided with two slide blocks, the slide blocks are in sliding connection with the guide rails, the inner sides of the two fixed plates are respectively provided with a bearing with a seat, a bidirectional screw rod is rotatably connected between the two bearings with a seat, the left side and the right side of the bidirectional screw rod are respectively provided with a connecting rod, and the two connecting rods are respectively in threaded connection with the bidirectional screw rod, two both ends respectively with slider fixed connection around the connecting rod, four the last fixed surface of slider installs the mount pad, four the upper end of mount pad articulates respectively and is connected with the bracing piece, four the upper end of bracing piece rotates with the lower surface central authorities of second backup pad to be connected, two-way lead screw central authorities install actuating mechanism, the upper surface four corners of second backup pad is equipped with the buffering subassembly respectively, the upper end of buffering subassembly is connected with the mounting bracket, the mounting bracket is rectangular frame, mounting bracket central authorities install the hourglass net.

Preferably, the base includes the bottom plate, the upper surface four corners and the supporting leg fixed connection of bottom plate, the lower surface four corners of bottom plate locking universal wheel respectively, install four hydraulic pressure stabilizer blades, four on the bottom plate the hydraulic pressure stabilizer blade is located the inboard of locking universal wheel and is close to the locking universal wheel.

Preferably, the upper end of the first sleeve column is provided with a linear bearing, and the second sleeve column penetrates through the linear bearing and is in sliding connection with the linear bearing.

Preferably, the buffering component comprises a telescopic rod, a spring and two limiting pieces, the two limiting pieces are fixedly installed at the upper end and the lower end of the telescopic rod respectively, and the spring is spirally installed outside the telescopic rod and fixedly connected with the limiting pieces at the upper end and the lower end of the spring respectively.

Preferably, the upper surface of the second support plate is provided with a cushion pad.

Preferably, the driving mechanism comprises a motor, a first bevel gear and a second bevel gear, the motor is fixedly mounted on the upper surface of the first supporting plate, the output end of the motor is connected with the first bevel gear, the center of the bidirectional screw is fixedly connected with the second bevel gear, and the first bevel gear is meshed with the second bevel gear.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a bridge construction anti-falling device passes through the two-way lead screw of actuating mechanism drive and rotates and the connecting rod, the bracing piece, transmission relation between guide rail and the slider, realized highly adjusting the mounting bracket, so as to be applicable to not bridge of co-altitude, when the people falls, receive self gravity, preferentially with leak the net contact, leak the net and play certain buffering effect to the human body, after the contact, the human body can continue to descend, human body area leaks net and blotter contact, play the secondary buffering to the human body, and then reached the effect of preventing falling in the bridge work progress, the protecting effect is good, the structure of base can effectual promotion this device's stability simultaneously.

Drawings

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

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic diagram illustrating a structure of the first support plate according to the present invention;

fig. 4 is a schematic top view of the mounting bracket of the present invention;

fig. 5 is a schematic structural diagram of the buffer assembly of the present invention.

In the figure: 1-base, 101-bottom plate, 102-locking universal wheel, 103-hydraulic support leg, 2-support leg, 3-first support plate, 4-first sleeve column, 5-second sleeve column, 6-second support plate, 7-fixing plate, 8-guide rail, 9-slide block, 10-bearing with seat, 11-bidirectional screw rod, 12-connecting rod, 13-mounting seat, 14-support rod, 15-buffer component, 1501-telescopic rod, 1502-spring, 1503-spacing piece, 16-mounting seat, 17-leakage net, 18-linear bearing, 19-buffer pad, 20-motor, 21-first bevel gear and 22-second bevel gear.

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. 1-5, the present invention provides a technical solution: a bridge construction anti-falling device comprises a base 1, wherein four corners of the upper surface of the base 1 are respectively provided with supporting legs 2, the upper ends of the four supporting legs 2 are provided with first supporting plates 3, four corners of the upper surface of the first supporting plates 3 are respectively provided with first sleeve columns 4, the interior of the four first sleeve columns 4 is slidably provided with second sleeve columns 5, the upper ends of the four second sleeve columns 5 are connected with second supporting plates 6, the left side and the right side of the upper surface of the first supporting plate 3 are respectively provided with a fixed plate 7, two guide rails 8 are arranged between the two fixed plates 7 in parallel, two slide blocks 9 are respectively arranged on the two guide rails 8, the slide blocks 9 are slidably connected with the guide rails 8, the inner sides of the two fixed plates 7 are respectively provided with a bearing with a seat 10, a bidirectional screw rod 11 is rotatably connected between the two bearing with the seat 10, the left side and the right side of the bidirectional screw rod 11 are respectively provided with a connecting rod 12, the two connecting rods 12 are respectively in threaded connection with a bidirectional screw rod 11, the front end and the rear end of each connecting rod 12 are respectively fixedly connected with a sliding block 9, the upper surfaces of the four sliding blocks 9 are fixedly provided with mounting seats 13, the upper ends of the four mounting seats 13 are respectively in hinged connection with supporting rods 14, the upper ends of the four supporting rods 14 are rotatably connected with the center of the lower surface of the second supporting plate 6, the center of the bidirectional screw rod 11 is provided with a driving mechanism, the driving mechanism can drive the bidirectional screw rod 11 to rotate, the two guide rails 8 are used for indirectly limiting the connecting rods 12, the two guide rails 11 are rotated to drive the connecting rods 12 on the two sides to simultaneously move in different directions, the sliding blocks 9 on the two sides are further driven to simultaneously move in different directions, the sliding blocks 9 on the two sides drive the corresponding supporting rods 14 to move, the angles of the supporting rods 14 are changed, and the lifting process of the second supporting plate 6 is further realized, on the contrary, the height of the second supporting plate 6 can be reduced, the four first sleeve columns 4 and the four second sleeve columns 5 play a limiting effect on the second supporting plate 6 in the process, the four corners of the upper surface of the second supporting plate 6 are respectively provided with a buffer component 15, the upper end of the buffer component 15 is connected with a mounting frame 16, the mounting frame 16 is a rectangular frame, and the central part of the mounting frame 16 is provided with a leakage net 17.

Particularly, base 1 includes

bottom plate

101, 2 fixed connection of upper surface four corners and supporting leg of bottom plate 101, locking universal wheel 102 is distinguished in the lower surface four corners of bottom plate 101, install four hydraulic pressure stabilizer blade 103 on the bottom plate 101, four hydraulic pressure stabilizer blade 103 is located the inboard of locking universal wheel 102 and is close to locking universal wheel 102, and the settlement of locking universal wheel 102 makes base 1 more nimble, is convenient for remove base 1, and then has realized the effect that this device is convenient for remove, after removing the assigned position, hydraulic pressure stabilizer blade 103 stretches out downwards, with the ground contact, guarantees base 1's stability, and then has guaranteed the stability of this device.

Specifically, the upper end of first socle 4 is equipped with linear bearing 18, second socle 5 run through linear bearing 18 and with linear bearing 18 sliding connection, linear bearing 18 set for make the telescopic motion of second socle 5 relative first socle 4 more smooth-going, reduce frictional force.

Specifically, the buffering assembly 15 includes a telescopic rod 1501, a spring 1502 and two limiting pieces 1503, the two limiting pieces 1503 are respectively and fixedly mounted at the upper end and the lower end of the telescopic rod 1501, the spring 1502 is spirally mounted outside the telescopic rod 1501, the upper end and the lower end of the spring 1502 are respectively and fixedly connected with the limiting pieces 1503, the buffering assembly 15 retracts after being subjected to downward impact force, a buffering effect is achieved, after a falling person safely descends, the spring 1502 provides upward elastic force for the limiting pieces 1503 on the upper side, and the telescopic rod 1502 extends out.

Specifically, the upper surface of the second supporting plate 6 is provided with a buffer pad 19, when a person falls down, the person is preferentially contacted with the leakage net 17 by self gravity, the leakage net 17 has a certain buffer effect on the human body, after the contact, the human body can continuously descend, and the human body brings the leakage net 17 to be contacted with the buffer pad 19, so that the secondary buffer effect is realized on the human body.

Specifically, the driving mechanism includes a motor 20, a first bevel gear 21 and a second bevel gear 22, the motor 20 is fixedly mounted on the upper surface of the first support plate 3, an output end of the motor 20 is connected with the first bevel gear 21, a center of the bidirectional screw 12 is fixedly connected with the second bevel gear 22, the first bevel gear 21 is meshed with the second bevel gear 22, the output end of the motor 20 drives the first bevel gear 21 to rotate, the first bevel gear 21 drives the second bevel gear 22 to rotate, and the second bevel gear 22 drives the bidirectional screw 12 to rotate.

The working principle is as follows: when the utility model is used, the device is moved to the designated position at the bridge edge, then the two-way screw rod 11 is driven to rotate by the driving mechanism, the connecting rod 12 is indirectly limited by the two guide rails 8, the two-way screw rod 11 is driven to rotate to drive the connecting rods 12 at the two sides to simultaneously move symmetrically in different directions, the sliders 9 at the two sides simultaneously move in different directions, the sliders 9 at the two sides drive the corresponding supporting rods 14 to move, the angle of the supporting rods 14 is changed, the lifting process of the second supporting plate 6 is realized, conversely, the height of the second supporting plate 6 can be reduced, in the process, the four first sleeve columns 4 and the second sleeve column 5 play a limiting effect on the second supporting plate 6, when a person falls down, the person receives self gravity, preferentially contacts with the leakage net 17, the leakage net 17 plays a certain buffering effect on the human body, the contact and the human body can continue to fall down, the human body brings the leakage net 17 to contact with the cushion pad 19, so that secondary buffering is performed on the human body, and the effect of preventing the bridge from falling in the construction process is further achieved.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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

Claims

1. The utility model provides a device that falls is prevented in bridge construction, includes base (1), its characterized in that: the support device is characterized in that support legs (2) are respectively arranged at four corners of the upper surface of the base (1), a first support plate (3) is installed at the upper ends of four support legs (2), a first sleeve column (4) is respectively arranged at four corners of the upper surface of the first support plate (3), a second sleeve column (5) is installed inside the four first sleeve columns (4) in a sliding manner, a second support plate (6) is connected at the upper ends of the four second sleeve columns (5), fixing plates (7) are respectively arranged at the left side and the right side of the upper surface of the first support plate (3), two guide rails (8) are installed between the two fixing plates (7) in a parallel manner, two slide blocks (9) are respectively arranged on the two guide rails (8), the slide blocks (9) are connected with the guide rails (8) in a sliding manner, seated bearings (10) are respectively arranged at the inner sides of the two fixing plates (7), and a bidirectional lead screw (11) is rotatably connected between the two seated bearings (10), the left side and the right side of the bidirectional screw rod (11) are respectively provided with a connecting rod (12), the two connecting rods (12) are respectively in threaded connection with the bidirectional screw rod (11), the front end and the rear end of the two connecting rods (12) are respectively fixedly connected with the sliding blocks (9), the upper surfaces of the four sliding blocks (9) are fixedly provided with mounting seats (13), the upper ends of the four mounting seats (13) are respectively hinged with supporting rods (14), the upper ends of the four supporting rods (14) are rotatably connected with the center of the lower surface of the second supporting plate (6), a driving mechanism is arranged in the center of the bidirectional screw rod (11), four corners of the upper surface of the second supporting plate (6) are respectively provided with a buffer component (15), the upper end of buffer unit (15) is connected with mounting bracket (16), mounting bracket (16) are rectangular frame, mounting bracket (16) central authorities install hourglass net (17).

2. The bridge construction anti-falling device according to claim 1, characterized in that: base (1) includes bottom plate (101), the upper surface four corners and supporting leg (2) fixed connection of bottom plate (101), the lower surface four corners of bottom plate (101) is locking universal wheel (102) respectively, install four hydraulic pressure stabilizer blade (103) on bottom plate (101), four hydraulic pressure stabilizer blade (103) are located the inboard of locking universal wheel (102) and are close to locking universal wheel (102).

3. The bridge construction anti-falling device according to claim 1, characterized in that: the upper end of the first sleeve column (4) is provided with a linear bearing (18), and the second sleeve column (5) penetrates through the linear bearing (18) and is in sliding connection with the linear bearing (18).

4. The bridge construction anti-falling device according to claim 1, characterized in that: the buffer assembly (15) comprises a telescopic rod (1501), a spring (1502) and two limiting pieces (1503), wherein the two limiting pieces (1503) are fixedly installed at the upper end and the lower end of the telescopic rod (1501) respectively, the spring (1502) is spirally installed outside the telescopic rod (1501), and the upper end and the lower end of the spring (1502) are fixedly connected with the limiting pieces (1503) respectively.

5. The bridge construction anti-falling device according to claim 1, characterized in that: the upper surface of the second supporting plate (6) is provided with a buffer pad (19).

6. The bridge construction anti-falling device according to claim 1, characterized in that: the driving mechanism comprises a motor (20), a first bevel gear (21) and a second bevel gear (22), the motor (20) is fixedly installed on the upper surface of the first supporting plate (3), the output end of the motor (20) is connected with the first bevel gear (21), the center of the bidirectional screw (11) is fixedly connected with the second bevel gear (22), and the first bevel gear (21) and the second bevel gear (22) are in meshed connection.