Efficient quick lifting device of instrument for road and bridge construction
The invention relates to the technical field of bridge construction equipment, in particular to an efficient rapid lifting device for a road and bridge construction tool.
The road and bridge generally consists of a plurality of parts such as a roadbed, a road surface, a bridge, a tunnel engineering facility, a traffic engineering facility and the like. And (3) roadbed engineering: the roadbed is a linear structure built by soil or stones. Road surface engineering: the road surface is a layered structure which is made up by using various road-building materials or mixed materials and is layered on the road bed for running of automobile. Bridge and tunnel engineering: bridge and tunnel engineering is an important component in high-grade highways. An expressway: the highway tunnel engineering is a judicious choice of mountain highways, and the lifting device is a mechanical conveying device of a fixing device.
The tool for construction is generally hung to a high place in the construction of a road and a bridge and used for high-place construction, however, the tool is lifted by manpower mainly in the conventional method for hanging the tool to the high place, the mode is time-consuming and labor-consuming and is unsafe, the tool is easy to fall off due to the looseness of the hands of workers in the lifting process, the working efficiency is influenced, the tool is easy to shake during the lifting process, the rope tension can be increased, and certain danger exists.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an efficient rapid lifting device for a road and bridge construction tool, which has the anti-falling function while realizing rapid lifting of a tool box, can protect workers under the condition of protecting the tool, can stably limit the workers and ensures the stability of the workers during working.
In order to achieve the purpose, the invention adopts the following technical scheme:
an efficient rapid lifting device for tools for road and bridge construction comprises a base and a portal frame, wherein the portal frame is fixed on the base, the opposite side walls of the portal frame are provided with limiting grooves, two limiting grooves are connected with a tool box in a sliding manner, a wire collecting roller is arranged between the portal frame, the portal frame is provided with two opposite mounting grooves which are positioned above the wire collecting roller in a penetrating manner, a mounting rod capable of moving up and down is arranged between the two mounting grooves, a fixed pulley is arranged on the mounting rod, a pull rope is fixedly connected on the tool box, the pull rope bypasses the fixed pulley and is wound with the wire collecting roller, a driving motor is fixedly connected on the base, a transmission mechanism is arranged between the driving motor and the wire collecting roller, the opposite sides of the portal frame are provided with sliding grooves, one side of the two sliding grooves opposite to each other is provided with a pull plate, and a stabilizing mechanism is arranged between the pull plate, two the equal fixedly connected with of one side that the arm-tie is relative prevents weighing down the piece a plurality of, it is equipped with a plurality of logical grooves all to run through between the spacing groove of spout and homonymy, and is a plurality of prevent weighing down the piece all run through the logical groove of homonymy and rather than sliding connection, two be equipped with pulling mechanism between the arm-tie all and the installation pole, four universal wheels of bottom fixedly connected with of base, just a plurality of supporting mechanism of side fixedly connected with of base, install the control box on the base.
Preferably, two equal fixedly connected with first telescopic link and the first spring of interior bottom of mounting groove, the upper end of first spring and first telescopic link all with the bottom fixed connection of installation pole, just first spring cover is on first telescopic link.
Preferably, the transmission mechanism comprises a transmission rod which is fixed with the take-up roller and coaxial with the take-up roller, the transmission rod penetrates through the portal frame and is in rotary connection with the portal frame, the output end of the driving motor and the transmission rod are both provided with transmission wheels, and the two transmission wheels are connected through a transmission belt.
Preferably, the stabilizing mechanism comprises a plurality of second springs and a plurality of second telescopic rods which are fixedly connected with the pulling plate, and the plurality of second springs and the plurality of second telescopic rods are fixedly connected with the inner wall of the sliding groove.
Preferably, the pulling mechanism comprises a first pulley installed in the installation groove, a second pulley and a third pulley which are installed on the portal frame and distributed up and down, a rope is fixedly connected to the installation rod, and the rope bypasses the first pulley, the second pulley and the third pulley and is fixedly connected with the pulling plate.
Preferably, the portal frame is fixedly connected with a U-shaped mounting frame, and the third pulley is mounted on the U-shaped mounting frame.
Preferably, the supporting mechanism includes rotates the cavity pole of being connected with the base, sliding connection has the rectangle pole in the cavity pole, install positioning bolt between rectangle pole and the cavity pole, the other end of rectangle pole rotates and is connected with the locating plate, run through on the locating plate and be equipped with two inserted bars.
Preferably, the positioning bolt penetrates through the hollow rod and is in threaded connection with the hollow rod, and the positioning bolt abuts against the rectangular rod.
Compared with the prior art, the invention has the beneficial effects that:
1. make the locating plate smooth offset with ground, then insert in the soil through the inserted bar to can fix a position the locating plate, spacing through locating plate and inserted bar can carry out stable spacing to the base, stability when guaranteeing the device and using.
2. Through the cooperation of driving motor, drive belt and two drive wheels, can realize receiving the rotation of line roller, and then realize saying fast the toolbox promotion to the rolling of stay cord.
3. If the toolbox hangs in the eminence or at the unexpected fracture of in-process stay cord of lift, then the fixed pulley no longer receives decurrent pulling force, under the effect of first spring and second spring, the installation pole moves to the top, the rope is lax, then the arm-tie removes to remove in the spout, the arm-tie removes and drives and prevents weighing down the piece and remove to the spacing inslot, so when the toolbox with prevent weighing down the piece and meet, can carry out spacingly to the toolbox through preventing weighing down the piece, make it can not continue to weigh down, so realize protecting below staff, also realize the protection to toolbox and toolbox internal tool, reduce economic loss.
In conclusion, the tool box has a reasonable structure, achieves the function of preventing falling while rapidly lifting the tool box, can protect workers under the condition of protecting tools, can perform stable limiting on the workers, and ensures the stability of the workers during working.
FIG. 1 is a schematic structural diagram of a high-efficiency rapid lifting device for a road and bridge construction tool provided by the invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of a connection of a part of the structure of the efficient rapid lifting device for a road and bridge construction tool provided by the invention;
fig. 5 is a top view of a partial structure of the efficient rapid lifting device for a road and bridge construction tool provided by the invention.
In the figure: the automatic wire drawing machine comprises a base 1, a portal frame 2, a limiting groove 3, a tool box 4, a pulling rope 5, a wire drawing roller 6, a mounting rod 7, a fixed pulley 8, a transmission rod 9, a transmission wheel 10, a transmission belt 11, a driving motor 12, a control box 13, a universal wheel 14, a pulling plate 15, a third pulley 16, a rope 17, a second pulley 18, a mounting groove 19, a first pulley 20, a through groove 21, a falling-preventing block 22, a second telescopic rod 23, a second spring 24, a first spring 25, a first telescopic rod 26, a hollow rod 27, a rectangular rod 28, a positioning bolt 29, a positioning plate 30, an inserted rod 31, a sliding groove 32 and a mounting rack 33U-shaped.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-5, a high-efficient quick tool lifting device for road and bridge construction, including base 1 and portal frame 2, portal frame 2 is fixed on base 1, the relative lateral wall of portal frame 2 all is equipped with spacing groove 3, sliding connection has toolbox 4 in two spacing grooves 3, install receipts line roller 6 between the portal frame 2, portal frame 2 runs through and is equipped with and is located receipts line roller 6 top and two relative mounting grooves 19, install the installation pole 7 that can reciprocate between two mounting grooves 19, the equal first telescopic link 26 of fixedly connected with in bottom of two mounting grooves 19 and first spring 25, the upper end of first spring 25 and first telescopic link 26 all with the bottom fixed connection of installation pole 7, and first spring 25 cover is on first telescopic link 26, spacing through first telescopic link 26, can guarantee that installation pole 7 can only reciprocate.
A fixed pulley 8 is installed on the installation rod 7, a pull rope 5 is fixedly connected to the tool box 4, the pull rope 5 passes around the fixed pulley 8 and is wound together with the wire take-up roller 6, a driving motor 12 is fixedly connected to the base 1, a transmission mechanism is arranged between the driving motor 12 and the wire take-up roller 6 and comprises a transmission rod 9 which is fixed and coaxial with the wire take-up roller 6, the transmission rod 9 penetrates through the portal frame 2 and is in rotating connection with the portal frame, transmission wheels 10 are installed on the output end of the driving motor 12 and the transmission rod 9, and the two transmission wheels 10 are connected through a transmission belt 11; the drawing rope 5 can be drawn and released by the wire take-up roller 6 through the transmission belt 11 and the two transmission wheels 10.
Portal frame 2 one side that carries on the back mutually all is equipped with spout 32, one side that two spout 32 carried on the back mutually all is equipped with arm-tie 15, all be equipped with stabilizing mean between the spout 32 of arm-tie 15 and homonymy, stabilizing mean include with 15 fixed connection's of arm-tie a plurality of second springs 24 and a plurality of second telescopic links 23, a plurality of second springs 24 and a plurality of second telescopic links 23 all with spout 32's inner wall fixed connection, can realize the stable slip of arm-tie 15 through second spring 24 and second telescopic links 23.
The opposite surfaces of the two pull plates 15 are fixedly connected with a plurality of anti-falling blocks 22, and the tool box 4 can be limited by the anti-falling blocks 22 and is not easy to continuously fall downwards; a plurality of through grooves 21 are formed between the sliding groove 32 and the limiting groove 3 on the same side in a penetrating mode, and a plurality of anti-falling blocks 22 are formed through the through grooves 21 on the same side in a penetrating mode and are connected with the same in a sliding mode.
A pulling mechanism is arranged between each of the two pulling plates 15 and the mounting rod 7, the pulling mechanism comprises a first pulley 20 arranged in a mounting groove 19, a second pulley 18 and a third pulley 16 which are arranged on the portal frame 2 and distributed up and down, a rope 17 is fixedly connected to the mounting rod 7, the rope 17 bypasses the first pulley 20, the second pulley 18 and the third pulley 16 and is fixedly connected with the pulling plates 15, the rope 17 can be pulled through the mounting rod 7, and therefore the pulling plates 15 can be limited, namely when the tool box 4 is in an empty box state, the anti-falling block 22 is not in the limiting groove 3; a U-shaped mounting frame 33 is fixedly connected to the portal frame 2, the third pulley 16 is mounted on the U-shaped mounting frame 33, and the driving belt 11 penetrates through the U-shaped mounting frame 33 and does not abut against the U-shaped mounting frame 33.
The bottom of the base 1 is fixedly connected with four universal wheels 14, and the base 1 can be moved through the universal wheels 14, so that the application range of the base can be enlarged; and a plurality of supporting mechanism of base 1's side fixedly connected with, supporting mechanism includes and rotates the cavity pole 27 of being connected with base 1, and sliding connection has rectangular pole 28 in cavity pole 27, installs positioning bolt 29 between rectangular pole 28 and the cavity pole 27, and the other end of rectangular pole 28 rotates and is connected with locating plate 30, runs through on the locating plate 30 and is equipped with two inserted bars 31, through inserting the inserted bar 31 in the soil layer, can realize the fixed to locating plate 30, and then realize spacing to base 1.
The base 1 is provided with a control box 13, a control panel and a power supply are arranged in the control box 13, and the control panel and the power supply are electrically connected with the driving motor 12.
When the positioning device is used, firstly, a worker rotates the hollow rod 27 and the rectangular rod 28 to enable the positioning plate 30 to flatly abut against the ground, then the positioning plate 30 is inserted into the soil through the inserting rod 31, so that the positioning plate 30 can be positioned, and the base 1 can be stably limited through the limiting of the positioning plate 30 and the inserting rod 31 to ensure the stability of the device in use; if the ground is uneven, the extension of the rectangular rod 28 can be changed by loosening the positioning bolt 29 to ensure that the positioning plate 30 can be flatly pressed against the ground, and then the positioning bolt 29 is fastened.
When tools in the tool box 4 are lifted, a worker can control the driving motor 12 to work through the control box 13, the driving motor 12 rotates to drive the driving wheel 10 to rotate, the driving wheel 10 and the driving belt 11 are matched to realize the rotation of the driving rod 9 and further realize the rotation of the wire take-up roller 6, the wire take-up roller 6 rotates to take up the pull rope 5, the pull rope 5 bypasses the fixed pulley 8, the wire take-up roller 6 can generate downward pressure on the fixed pulley 8 when taking up the wire, further the mounting rod 7 can generate downward pressure, the mounting rod 7 moves downwards to drive the rope 17 to move downwards, the pull plate 15 and the anti-falling block 22 move, the anti-falling block 22 is ensured not to extend into the limiting groove 3, and further the movement of the tool box 4 is not hindered; through the cooperation of driving motor 12, drive belt 11 and two drive wheels 10, can realize receiving the rotation of line roller 6, and then realize the rolling to stay cord 5, can say toolbox 4 promotion fast.
Because toolbox 4 slides in spacing groove 3, can carry out stable spacing to toolbox 4 through spacing groove 3, can not take place to rock when making to rise or descend, when having guaranteed toolbox 4 and stably going up and down, also can reduce the pulling force to stay cord 5, prevent that stay cord 5 from splitting.
If toolbox 4 hangs in the eminence or at the unexpected fracture of in-process stay cord 5 of lift, then fixed pulley 8 no longer receives decurrent pulling force, under first spring 25 and second spring 24's effect, installation pole 7 rebound, rope 17 relaxes, then arm-tie 15 removes to spout 32 removes, arm-tie 15 removes to drive prevents weighing down piece 22 and removes to spacing groove 3, so when toolbox 4 meets with preventing weighing down piece 22, can carry on spacingly to toolbox 4 through preventing weighing down piece 22, make it can not continue the tenesmus, so realize protecting below staff, also realize the protection to toolbox 4 and toolbox 4 interior instrument, reduce economic loss.
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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.