Trolley for guardrail construction
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to platform truck is used in guardrail construction.
Background
With the rapid development of national economy, the traffic system of China is continuously improved, wherein the construction of guardrails in a bridge system is indispensable. In order to improve the engineering quality of a bridge in the construction process of the bridge guardrail, a bridge guardrail template needs to be installed, and the bridge guardrail template hoisting tool needs to be used for assisting the installation of constructors on the guardrail in the engineering. Because of receiving bridge railing construction technology restriction in the construction of the present engineering, the live time of crane is longer, cause the expense of renting the crane more expensive, and the speed of crane installation is slower, construction quality is low, among the prior art, in the bridge anticollision barrier work progress, especially anticollision barrier template construction adopts methods such as setting up scaffold platform, loader flat lifting or artifical suspension to be under construction usually, the formwork erection demolishs the difficulty, the efficiency of construction is low, with high costs, constructor is in eminence and faces the limit operation, the construction risk is high, still influences the construction quality of bridge anticollision barrier simultaneously.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the trolley for guardrail construction is provided.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a trolley for guardrail construction, including moving platform, moving platform's bottom is provided with the wheel, moving platform's top surface four corners department is provided with the stand, the stand top is connected with two crossbeams, be provided with the driving girder that links to each other with the crossbeam between the crossbeam, driving girder bottom cooperation is provided with electric block; one end of each cross beam is connected with a vertical rod in a sliding mode, each vertical rod is provided with a sliding groove in the vertical direction, and the bottom of each vertical rod is connected with a hanging basket; a guide rail is connected between the two cross beams and is inserted in the sliding groove and moves relative to the sliding groove; each crossbeam is further connected with two limiting blocks, the limiting blocks are respectively arranged on two sides of the guide rail, a sliding cavity is formed between the two limiting blocks on the same crossbeam, and the vertical rod is connected in the sliding cavity in a sliding manner; a connecting rod is connected between the two vertical rods, a steel wire rope is connected to the connecting rod, the other end of the steel wire rope is connected with a winch, and the winch is arranged on the mobile platform; the other end of the beam is provided with a balance weight.
Preferably, the top surface of the traveling crane girder is further provided with a first pulley and a second pulley, and the steel wire rope is wound on the first pulley and the second pulley.
Preferably, the vehicle wheel driving device further comprises a driving mechanism, the driving mechanism comprises a rotating shaft, two ends of the rotating shaft are connected with shafts of the wheels, a driven bevel gear is fixedly connected to the rotating shaft, a driving bevel gear is meshed with the driven bevel gear, the driving bevel gear is connected with a vertical shaft, and the vertical shaft penetrates through the moving platform and is connected with a motor.
Preferably, the top of the vertical rod is also provided with a baffle.
Preferably, the baffle is connected with the vertical rod through a fastening bolt.
Preferably, two sides of the traveling crane girder are respectively connected with two short rods, and the other ends of the short rods are connected to the cross beam.
Preferably, the connecting rod is provided with a through hole, a screw rod penetrates through the through hole, the top of the screw rod is connected with an anti-falling hook, the screw rod is in threaded connection with a nut, and the steel wire rope is connected with the anti-falling hook.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the device is convenient to construct and operate, stable and reliable, high in safety coefficient, capable of reducing construction cost and labor intensity of constructors, very convenient to use and capable of completing lifting of the guardrail through the electric hoist, and the movable platform can also be moved, so that continuous operation is realized, and the mounting and dismounting efficiency of guardrail construction is greatly improved; by arranging the hanging basket, constructors can continuously and stably work outside the bridge, the safety of the constructors is improved, the trolley can be effectively prevented from overturning by arranging the balance weight on the trolley, and the stability and the safety are greatly improved;
2. the vertical rods are arranged on the hanging basket, the guide rails, the limiting blocks and other structures are arranged on the cross beams, so that the vertical rods are connected with the cross beams in a sliding mode, the hoisting machine is used for pulling the steel wire rope to achieve up-and-down movement of the hanging basket, the construction position of the hanging basket is convenient to adjust, and the operation of workers is convenient;
3. the baffle plate is connected with the vertical rod through the fastening bolt, so that the disassembly is convenient, the vertical rod is further connected with the cross beam conveniently, and the installation speed is improved; after the vertical rods are installed, the baffle plates are installed to prevent the hanging basket from slipping off the ropes, so that the safety and stability are improved; in addition, the steel wire rope is connected with the hanging basket through the anti-drop hook, so that the assembly and the disassembly are convenient.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the cross beam.
Fig. 3 is a left side view of the vertical rod and the hanging basket.
Fig. 4 is an enlarged schematic view of the structure of the region a.
Description of reference numerals:
1, a guardrail; 2, moving the platform; 3, vehicle wheels; 4, a rotating shaft; 5, driven bevel gear; 6 driving bevel gear; 7, a vertical shaft; 8, a motor; 9 upright posts; 10 a cross beam; 11, balancing weight; 12 a girder of the traveling crane; 13, erecting a rod; 131 sliding grooves; 14 connecting rods; 141 through holes; 15 hanging baskets; 16 electric hoist; 17 a steel wire rope; 18 a first pulley; 19 a second pulley; 20 a winch; 21 a baffle plate; 22 fastening bolts; 23 a guide rail; 24 a stop block; 25 short rods; 26 screw rods; 27 a nut; 28 anti-drop pothook.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Example one
As shown in fig. 1-4, the trolley for guardrail construction provided by this embodiment includes a moving platform 2, wheels 3 are disposed at the bottom of the moving platform 2, vertical columns 9 are disposed at four corners of the top surface of the moving platform 2, two cross beams 10 are connected to the tops of the vertical columns 9, a traveling girder 12 connected to the cross beams 10 is disposed between the cross beams 10, specifically, two short rods 25 are respectively connected to two sides of the traveling girder 12, and the other ends of the short rods 25 are connected to the cross beams 10.
The electric hoist 16 is arranged at the bottom of the traveling crane girder 12 in a matched mode, hoisting of the guardrail can be completed through the electric hoist 16, the traveling crane girder is very convenient to use, and the moving platform 2 can also move, so that continuous operation is realized, and the mounting and dismounting efficiency of guardrail construction is greatly improved.
One end of each cross beam 10 is connected with a vertical rod 13 in a sliding mode, the vertical rods 13 are provided with sliding grooves 131 in the vertical direction, the bottoms of the vertical rods 13 are connected with hanging baskets 15, and constructors can work continuously and stably outside the bridge when standing on the hanging baskets 15, so that the safety of the constructors is improved; a guide rail 23 is connected between the two cross beams 10, and the guide rail 23 is welded on the cross beams 10; the guide rail 23 is inserted in the sliding groove 131 and moves relative to the sliding groove 131; each beam 10 is further connected with two limiting blocks 24, the limiting blocks 24 are respectively arranged on two sides of the guide rail 23, a sliding cavity is formed between the two limiting blocks 24 on the same beam 10, and the vertical rod 13 is connected in the sliding cavity in a sliding mode; a connecting rod 14 is further connected between the two vertical rods 13, a steel wire rope 17 is connected to the connecting rod 14, the other end of the steel wire rope 17 is connected to a winch 20, the winch 20 is arranged on the moving platform 2, specifically, a first pulley 18 and a second pulley 19 are further arranged on the top surface of the traveling crane girder 12, and the steel wire rope 17 is hung on the first pulley 18 and the second pulley 19.
The other end of the cross beam 10 is provided with a balance weight 11, so that the trolley can be effectively prevented from overturning, and the stability and the safety are greatly improved.
The top of montant 13 still is provided with baffle 21, but baffle 21 lug weld is on montant 13 top, and baffle 21 plays limiting displacement, prevents that hanging flower basket 15 from taking off the rope and landing, improves safety and stability.
Example two
On the basis of embodiment one, still include actuating mechanism, this actuating mechanism includes pivot 4, and the both ends of pivot 4 link to each other with the axle of wheel 3, and fixedly connected with driven bevel gear 5 on the pivot 4 has drive bevel gear 6 with driven bevel gear 5 engaged with, and drive bevel gear 6 is connected with vertical axis 7, and vertical axis 7 passes moving platform 2 and is connected with motor 8, and vertical axis 7 rotates mutually through bearing and moving platform 2 and is connected.
The baffle 21 is connected with the vertical rod 13 through the fastening bolt 22, when the baffle 21 is installed, the guide rail 23 is firstly inserted into the sliding groove 131, and then the baffle 21 is installed on the vertical rod 13, so that the baffle is more convenient to disassemble and assemble.
In addition, in order to connect the wire rope 17 conveniently, a through hole 141 is formed in the connecting rod 14, a screw 26 penetrates through the through hole 141, the top of the screw 26 is connected with an anti-falling hook 28, the screw 26 is in threaded connection with a nut 27, the screw 26 and the connecting rod 14 are fixed, and the wire rope 17 is connected with the anti-falling hook 28 and is convenient to detach.
The embodiment shows that the device is convenient to construct and operate, stable and reliable, high in safety factor, capable of reducing construction cost and labor intensity of constructors, very convenient to use and capable of achieving continuous operation due to the fact that the movable platform 2 can be moved by the electric hoist 16 to finish lifting of the guardrail, and greatly improves mounting and dismounting efficiency of guardrail construction; by arranging the hanging basket 15, constructors can continuously and stably work outside the bridge, the safety of the constructors is improved, the trolley can be effectively prevented from overturning by arranging the balance weight on the trolley, and the stability and the safety are greatly improved; the vertical rods 13 are arranged on the hanging basket 15, the guide rails 23, the limiting blocks 24 and other structures are arranged on the cross beam 10, so that the vertical rods 13 are connected with the cross beam 10 in a sliding mode, the winch 20 is used for pulling the steel wire rope 17 to achieve up-down movement of the hanging basket 15, the construction position of the hanging basket 15 can be adjusted conveniently, and operation of workers is facilitated; the baffle 21 is connected with the vertical rod 13 by the fastening bolt 22, so that the disassembly is convenient, the vertical rod 13 is further connected with the cross beam 10 conveniently, and the installation speed is improved; after the vertical rod 13 is installed, the baffle 21 is installed to prevent the hanging basket 15 from slipping off the rope, so that the safety and stability are improved; in addition, the steel wire rope 17 is connected with the hanging basket 15 through an anti-drop hook 28, so that the assembly and disassembly are convenient.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.