CN111792542A

CN111792542A - A remove gallows for building bridge railing construction

Info

Publication number: CN111792542A
Application number: CN202010661275.5A
Authority: CN
Inventors: 朱晓丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2020-10-20

Abstract

The invention relates to the technical field of bridge construction equipment, and discloses a movable hanging bracket for construction of a bridge guardrail, which comprises a chassis, wherein the top of the chassis is fixedly connected with a rotating shaft, one side of the top of the chassis is fixedly provided with a motor support, the bottom of the chassis is fixedly provided with a movable wheel, the top of the motor support is fixedly provided with a motor, the bottom of the motor is fixedly provided with an output shaft, the bottom of the output shaft is fixedly provided with a gear, the rotating shaft is rotatably connected with a turntable, the side surface of the turntable is fixedly provided with an annular rack, the bottom of the turntable is fixedly provided with a fixed wheel carrier, one side of the upper surface of the turntable is fixedly connected with a suspender, the upper surface of the turntable is fixedly provided with a weight box positioned at the rear side of the suspender. The guardrail hanging bracket solves the problems that the existing guardrail hanging bracket is too large in size, inconvenient to move and incapable of being used on a narrow bridge surface.

Description

A remove gallows for building bridge railing construction

Technical Field

The invention relates to the technical field of bridge construction equipment, in particular to a movable hanging bracket for construction of a building bridge guardrail.

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. When the guardrail of the bridge engineering is constructed by concrete, the templates at the inner side and the outer side need to be erected firstly, workers can stand on the bridge floor safely to arrange the inner side template, for the template with the suspended outside, the constructor does not have an operation platform on which to stand, in the past, the constructor usually sets up a scaffold from the ground, stands on the scaffold platform and externally molds to support the work, or large-scale mechanical equipment such as a crane is adopted for the cooperation construction, generally, the scaffold platform is more difficult to erect in the high-altitude operation or the large-scale mechanical equipment such as the crane is adopted for the cooperation construction, the construction efficiency is low, the material consumption is large, the construction cost is higher, but also is greatly influenced by the limitation of sites, once the bridge is provided with rivers, deep ditches, ramps and soft soil layers, or a certain part of the bridge needs to pass through the vehicle frequently, or heavy mechanical equipment needs to pass through the bridge frequently, so that the scaffold is difficult to set up, and even no safety guarantee exists.

Current guardrail gallows only can hoist the guardrail and carry out simple removal, need make a round trip the removal with the gallows when using on the building site, and is very inconvenient, and current guardrail gallows all is very huge simultaneously, can't use when installing the guardrail of narrower bridge floor, and workman's intensity of labour is still very big when carrying out the guardrail installation on the narrower bridge floor.

Disclosure of Invention

The invention aims to provide a movable hanging bracket for construction of a building bridge guardrail, which is convenient to move, reduces the labor intensity of workers and improves the construction efficiency.

In order to achieve the purpose, the invention provides the following technical scheme:

a movable hanging bracket for construction of bridge guardrails comprises a chassis, wherein a rotating shaft is fixedly connected to the top of the chassis, a motor support is fixedly mounted on one side of the top of the chassis, a movable wheel is fixedly mounted at the bottom of the chassis, a motor is fixedly mounted at the top of the motor support, an output shaft is fixedly mounted at the bottom of the motor, a gear is fixedly mounted at the bottom end of the output shaft, the rotating shaft is rotatably connected with a turntable, an annular rack is fixedly mounted on the side surface of the turntable, a fixed wheel carrier is fixedly mounted at the bottom of the turntable, a hanging rod is fixedly connected to one side of the upper surface of the turntable, a weight box is fixedly mounted on the upper surface of the turntable and is located behind the hanging rod, a winch is fixedly mounted on the upper surface of the turntable, the middle part of the upper surface of the turntable, the other end of the supporting rod is fixedly installed with the middle part of the suspender, the top of the suspender is fixedly provided with a supporting seat, the middle lower part of the suspender is fixedly provided with a guide support, the bottom of the supporting seat is rotatably connected with a pulley, the bottom of the guide support is rotatably connected with a guide pulley, the pulley is in transmission connection with a steel cable, one end of the steel cable is fixedly provided with a lifting hook, the other end of the steel cable is fixedly connected with a winch, the top of the moving wheel is provided with an installation seat, the bottom of the installation seat is fixedly connected with a sleeve, the bottom of the installation seat is fixedly connected with an upper spring seat positioned in the sleeve, the sleeve is sleeved with a piston, the middle of the top of the piston is fixedly connected with a lower spring seat, the bottom of the piston is fixedly connected with a moving rod, a, the outside of the wheel is wrapped with a wear-resistant rubber pad.

Preferably, the annular rack is meshed with the gear, and the annular rack completely surrounds the side face of the rotating disc.

Preferably, the number of the supporting wheels is three, and the direction of the three supporting wheels is the tangential direction of the positions of the supporting wheels and the concentric circles of the rotating disc.

Preferably, the number of the supporting rods is two, and the two supporting rods are respectively arranged on two sides of the hanging rod.

Preferably, the hanger rod is made of a seamless steel pipe with the diameter of eighty millimeters, and a circular steel plate is welded at the top end of the hanger rod.

Preferably, the wire rope passes through the support base and the guide bracket, and contacts with the guide pulley.

Preferably, the mounting seat of the movable wheel is fixedly connected with two sleeves, and the two sleeves are symmetrically distributed on two sides of the wheel.

Preferably, the abrasion-resistant rubber pad is made of polyurethane elastomer.

The invention provides a movable hanging bracket for construction of a bridge guardrail. The method has the following beneficial effects:

(1) the guardrail hanger frame has the advantages that the structure of the existing guardrail hanger frame is simplified, the guardrail can be lifted only by using the simple structure of the hanger rod and the two support rods, the size of the guardrail hanger frame is greatly reduced, the guardrail hanger frame can be used even when a narrow bridge deck is constructed, and meanwhile, the moving wheels are added at the bottom of the chassis of the guardrail hanger frame, so that the whole guardrail hanger frame can be conveniently moved on the constructed bridge deck, and the guardrail hanger frame is more convenient to use.

(2) According to the guardrail mounting device, the turntable capable of freely rotating is arranged on the ground disc, the annular rack is arranged on the side face of the turntable in a circle, the motor drives the gear to rotate, the annular rack meshed with the gear moves to drive the turntable to rotate, after a guardrail is mounted, the whole hanging bracket does not need to be moved, the motor is started to rotate the turntable and drive the hanging rod to rotate to the guardrail, a new guardrail can be hung up through the rotation of the turntable, and the whole guardrail hanging bracket does not need to be moved.

(3) The spring is arranged in the sleeve of the moving wheel, so that the moving wheel has sufficient damping effect in the using process, the moving wheel has a damping function, the vibration of the guardrail hanging bracket caused by the unevenness of the bridge floor during the moving process of the moving wheel is effectively reduced, various devices on the whole guardrail hanging bracket are protected, and meanwhile, the moving wheel also has the characteristics of simple mechanism and convenience in disassembly and maintenance, so that the whole guardrail hanging bracket is very convenient to use in a bridge construction site.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a front view of the moving wheel of the present invention

FIG. 4 is a structural view of a movable wheel of the present invention

FIG. 5 is an enlarged view of the invention at A.

In the figure: 1 chassis, 2 rotating shafts, 3 rotating discs, 4 annular racks, 5 moving wheels, 6 motor supports, 7 gears, 8 motors, 9 hanging rods, 10 supporting rods, 11 supporting seats, 12 pulleys, 13 steel cables, 14 lifting hooks, 15 winches, 16 weight boxes, 17 guiding supports, 18 guiding pulleys, 19 mounting seats, 20 sleeves, 21 moving rods, 22 wheels, 23 wear-resistant rubber pads, 24 pistons, 25 upper spring seats, 26 springs, 27 lower spring seats, 28 fixed wheel carriers, 29 supporting wheels and 30 output shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 5, the present invention provides a technical solution:

a movable hanging bracket for construction of a bridge guardrail comprises a chassis 1, a rotating shaft 2 is fixedly connected to the top of the chassis 1, a rotary plate 3 is installed through the rotating shaft 2 and can rotate the rotary plate 3, a motor support 6 is fixedly installed on one side of the top of the chassis 1, a motor 8 is convenient to install, a movable wheel 5 is fixedly installed at the bottom of the chassis 1, the whole guardrail hanging bracket can conveniently move on a constructed bridge floor through installing the movable wheel 5, the guardrail hanging bracket is more convenient to use, the motor 8 is fixedly installed at the top of the motor support 6, an output shaft 30 is fixedly installed at the bottom of the motor 8, a gear 7 is fixedly installed at the bottom end of the output shaft 30, the rotating shaft 2 is rotatably connected with the rotary plate 3, an annular rack 4 is fixedly installed on the side surface of the rotary plate 3, the annular rack 4 is meshed with the gear 7, the annular rack 4 completely surrounds, the annular rack 4 meshed with the gear 7 moves and drives the rotary table 3 to rotate, after a guardrail is installed, the whole hanging bracket does not need to be moved, only the motor 8 needs to be started to rotate the rotary table 3 to drive the hanging rod 9 to rotate to the guardrail, the bottom of the rotary table 3 is fixedly provided with the fixed wheel carrier 28, one side of the upper surface of the rotary table 3 is fixedly connected with the hanging rod 9, the hanging rod 9 is made of a seamless steel pipe with the diameter of eighty millimeters, the top end of the hanging rod 9 is welded with a circular steel plate, the strength of the whole hanging rod 9 can be ensured by using a thick and thick seamless steel pipe, the hanging rod 9 cannot be bent due to overweight of the guardrail, meanwhile, the circular steel plate welded at the top of the hanging rod 9 can prevent rainwater from entering the interior of the hanging rod 9 and causing corrosion, the upper surface of the rotary table 3 is fixedly provided with the weight box 16 positioned, the gravity center of the rotary table 3 is always kept near the rotary shaft 2 to keep the balance of the whole hanging bracket, the upper surface of the rotary table 3 is fixedly provided with a winch 15 positioned at the front side of the suspender 9, the guardrail is lifted up or put down through the winch 15, the middle part of the upper surface of the rotary table 3 is fixedly arranged with one end of a support rod 10, a fixed wheel carrier 28 is rotatably connected with three support wheels 29, the number of the support wheels 29 is three, the direction of the three support wheels 29 is the tangential direction of the concentric circles of the support wheels 29 and the rotary table 3, the support wheels 29 provide a certain support function for the whole rotary table 3 to ensure that the weight of the whole rotary table 3 cannot be supported by the rotary shaft 2, the other end of the support rod 10 is fixedly arranged with the middle part of the suspender 9, the number of the support rods 10 is two, the two support rods 10 are respectively arranged at two sides of the suspender 9, the suspender 10 supports the suspender 9, the guardrail can be lifted by using a simple structure of only one suspender 9 and two supporting rods 10, the size of the guardrail hanger is greatly reduced, the guardrail hanger can be used even when construction is carried out on a narrow bridge floor, a supporting seat 11 is fixedly arranged at the top of the suspender 9, a guide bracket 17 is fixedly arranged at the middle lower part of the suspender 9, a pulley 12 is rotatably connected at the bottom of the supporting seat 11, the direction of a steel cable 13 is changed by the pulley 12 arranged on the supporting seat 11, a guide pulley 18 is rotatably connected at the bottom of the guide bracket 17, the steel cable 13 passes through the supporting seat 11 and the guide bracket 17 and is contacted with the guide pulley, the steel cable 13 is movably connected on the pulley 12, the moving direction of the steel cable 13 is fixed by the pulley 12 and the guide pulley 18, the steel cable 13 can only move along the pulley 12 and the guide pulley 18, a lifting hook 14 is fixedly arranged at one end of the steel cable 13, the, the other end of the steel cable 13 is fixedly connected with the winch 15, the function of hoisting or lowering the guardrail is achieved through the winch 15 and the steel cable 13, the top of the moving wheel 5 is provided with the installation seat 19, the bottom of the installation seat 19 is fixedly connected with the sleeve 20, the bottom of the installation seat 19 is fixedly connected with the upper spring seat 25 positioned in the sleeve 20, the sleeve 20 is sleeved with the piston 24, the middle of the top of the piston 24 is fixedly connected with the lower spring seat 27, the bottom of the piston 24 is fixedly connected with the moving rod 21, the spring 26 is arranged between the upper spring seat 25 and the lower spring seat 27, the bottom of the moving rod 21 is movably connected with the wheel 22, the installation seat 19 of the moving wheel 5 is fixedly connected with the two sleeves 20, the two sleeves 20 are symmetrically distributed on two sides of the wheel 22, the spring 26 is arranged in the sleeve 20 of the moving wheel 5, and the spring 26 enables, so that the movable wheel 5 has the shock absorption function, the vibration of the guardrail hanging bracket when the movable wheel 5 is used for moving due to the unevenness of the bridge floor is effectively reduced, various devices on the whole guardrail hanging bracket are protected, meanwhile, the movable wheel 5 also has the characteristics of simple mechanism and convenient disassembly and maintenance, so that the whole guardrail hanging bracket is very convenient to use in a bridge construction site, the wear-resistant rubber pad 23 is wrapped outside the wheel 22, the wear-resistant rubber pad 23 is made of polyurethane elastomer, the polyurethane elastomer is a material with stronger cohesive energy and excellent wear resistance, the wear-resistant rubber pad 23 made of the polyurethane elastomer has good wear resistance, still have higher mechanical strength and tear strength, use the wear-resisting cushion 23 that polyurethane elastomer made just to possess excellent shock attenuation shock-absorbing capacity, make the shock attenuation that can be abundant at removal guardrail gallows.

When the guardrail hanging bracket is used, the whole guardrail hanging bracket is moved to a position to be used through the moving wheel 5, in the moving process, when the guardrail hanging bracket meets an uneven road surface, the wheel 22 can move up and down, the moving up and down of the wheel 22 can drive the movable rod 21 to move up and down in the sleeve 20, the spring 26 in the sleeve 20 can give reverse force to the piston 24, so that the movement of the movable rod 21 fixedly connected with the piston 24 is limited, the movement of the wheel 22 on the movable rod 21 is also limited, the vibration generated due to the uneven road surface is weakened, the guardrail hanging bracket is prevented from being damaged by the vibration, after the guardrail hanging bracket is moved to the required position and fixed, the motor 8 is started, the gear 7 is driven to rotate through the output shaft 30, the rotary table 3 is driven to rotate through the gear 7 and the annular rack 4, the hanging rod 9 arranged on the rotary table 3 rotates to the position of an uninstalled guardrail along, the hoisting machine 15 is started to put down the lifting hook 14 at one end of the steel cable 13, the hoisting machine 15 is started again after the guardrail and the lifting hook 14 are fixed well, the guardrail is hoisted, the starting motor 8 rotates reversely after hoisting, the guardrail hung by the hanging rod 9 on the rotary table 3 is conveyed to a position needing to be installed through the gear 7 and the annular rack 4 again, the guardrail is put down through the hoisting machine 15, and the installation of workers is facilitated.

In conclusion, the whole guardrail hanging bracket is moved to a required position through the moving wheels 5, the position of the rotary plate 3 is adjusted through the motor 8, the guardrail is firstly hung on the lifting hook 14, the guardrail is hung up through the winch 15, the rotary plate 3 is rotated again to move the guardrail to the position needing to be installed, and the guardrail is convenient for workers to install.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a remove gallows for building bridge railing construction, includes chassis (1), its characterized in that: the top of the chassis (1) is fixedly connected with a rotating shaft (2), one side of the top of the chassis (1) is fixedly provided with a motor support (6), the bottom of the chassis (1) is fixedly provided with a moving wheel (5), the top of the motor support (6) is fixedly provided with a motor (8), the bottom of the motor (8) is fixedly provided with an output shaft (30), the bottom of the output shaft (30) is fixedly provided with a gear (7), the rotating shaft (2) is rotatably connected with a turntable (3), the side of the turntable (3) is fixedly provided with an annular rack (4), the bottom of the turntable (3) is fixedly provided with a fixed wheel carrier (28), one side of the upper surface of the turntable (3) is fixedly connected with a suspender (9), the upper surface of the turntable (3) is fixedly provided with a weight box (16) positioned at the rear side of the suspender (9), the upper surface of the turntable (3) is fixedly provided with, the middle of the upper surface of the rotary table (3) is fixedly installed with one end of a supporting rod (10), a supporting wheel frame (28) is rotatably connected with a supporting wheel (29), the other end of the supporting rod (10) is fixedly installed with the middle of a suspender (9), the top of the suspender (9) is fixedly installed with a supporting seat (11), the middle lower part of the suspender (9) is fixedly installed with a guiding support (17), the bottom of the supporting seat (11) is rotatably connected with a pulley (12), the bottom of the guiding support (17) is rotatably connected with a guiding pulley (18), a steel cable (13) is movably connected on the pulley (12), one end of the steel cable (13) is fixedly installed with a lifting hook (14), the other end of the steel cable (13) is fixedly connected with a winch (15), the top of the movable wheel (5) is provided with an installation seat (19), and the bottom of the installation seat (19) is fixedly, the bottom fixedly connected with of mount pad (19) is located the inside last spring holder (25) of sleeve (20), piston (24) have been cup jointed in sleeve (20), spring holder (27) under the middle fixedly connected with at piston (24) top, bottom fixedly connected with movable rod (21) of piston (24), it is provided with spring (26) to go up between spring holder (25) and lower spring holder (27), the bottom swing joint of movable rod (21) has wheel (22), the outside parcel of wheel (22) has wear-resisting cushion (23).

2. The mobile hanger frame for construction of a bridge guardrail of claim 1, wherein: the annular rack (4) is meshed with the gear (7), and the annular rack (4) completely surrounds the side face of the rotary disc (3).

3. The mobile hanger frame for construction of a bridge guardrail of claim 1, wherein: the number of the supporting wheels (29) is three, and the directions of the three supporting wheels (29) are the tangential directions of the positions of the supporting wheels (29) and the concentric circles of the turntable (3).

4. The mobile hanger frame for construction of a bridge guardrail of claim 1, wherein: the number of the support rods (10) is two, and the two support rods (10) are respectively arranged on two sides of the hanging rod (9).

5. The mobile hanger frame for construction of a bridge guardrail of claim 1, wherein: the hanger rod (9) is made of a seamless steel pipe with the diameter of eighty millimeters, and a circular steel plate is welded at the top end of the hanger rod (9).

6. The mobile hanger frame for construction of a bridge guardrail of claim 1, wherein: the steel cable (13) penetrates through the supporting seat (11) and the guide bracket (17) and is in contact with the guide pulley.

7. The mobile hanger frame for construction of a bridge guardrail of claim 1, wherein: the mounting seat (19) of the moving wheel (5) is fixedly connected with two sleeves (20), and the two sleeves (20) are symmetrically distributed on two sides of the wheel (22).

8. The mobile hanger frame for construction of a bridge guardrail of claim 1, wherein: the wear-resistant rubber pad (23) is made of a polyurethane elastomer.