CN217167116U

CN217167116U - Tramcar turnout automatic welding device

Info

Publication number: CN217167116U
Application number: CN202220951091.7U
Authority: CN
Inventors: 刘红霞; 王永利; 刘开源; 李自帅; 王红利
Original assignee: Ruzhou Zhengtie Sanjia Turnout Co ltd
Current assignee: Ruzhou Zhengtie Sanjia Turnout Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-12
Anticipated expiration: 2032-04-24

Abstract

The utility model provides a tram switch automatic welder, include: a conveying mechanism; the limiting mechanisms are arranged along the length direction of the conveying mechanism and are positioned on two sides of the conveying mechanism so as to prevent the steel rails on the conveying mechanism from deviating; the clamping and fixing mechanisms are arranged on two sides of the conveying mechanism and used for clamping and fixing the steel rail; the base plate grabbing mechanism is used for grabbing the base plate arranged on one side of the conveying mechanism and placing the base plate on the corresponding position of the steel rail; the welding mechanism is used for welding the base plate on the steel rail; and the control system controls the starting and stopping of the conveying mechanism so that the base plate grabbing mechanism places the base plate at the corresponding position of the steel rail. The utility model discloses a conveying mechanism, stop gear, press from both sides tight fixed establishment, backing plate and snatch the cooperation between mechanism and the welding mechanism, can realize the purpose of automatic weld rail, save the labour, reduce artifical intensity of labour, guarantee welding quality.

Description

Tramcar turnout automatic welding device

Technical Field

The utility model relates to a tram switch track processing equipment, in particular to tram switch automatic welder.

Background

The modern tramcar is a public transportation mode which is mainly based on ground laying and is arranged between a subway and a public transport, and has the characteristics of energy conservation, environmental protection, large transportation capacity, low manufacturing cost, strong adaptability and the like. The wear-resistant alloy steel welded turnout is an important component forming a modern tramcar line, and the welding quality of a steel rail directly influences the operation of the tramcar turnout. Need during the switch welding with the backing plate welding to the rail, often weld with the help of welded platform for the convenience of welding, during the welding, adopt hoisting accessory to hang the rail to welded platform on, weld the rail by artifical handheld welder after artifical marking off location, because rail length is great, need many people to operate during the handling, extravagant labour to manual welding has the destabilizing factor, welding quality can't be guaranteed, and welding efficiency is low, and artifical intensity of labour is big.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that exists among the above-mentioned prior art and not enough, the utility model provides a tram switch automatic weld that can guarantee welding quality.

In order to achieve the above object, the utility model provides a tram switch automatic welder, include: a conveying mechanism; the limiting mechanisms are arranged along the length direction of the conveying mechanism and are positioned on two sides of the conveying mechanism so as to prevent the steel rails on the conveying mechanism from deviating; the clamping and fixing mechanisms are arranged on two sides of the conveying mechanism and used for clamping and fixing the steel rail; the base plate grabbing mechanism is used for grabbing the base plate arranged on one side of the conveying mechanism and placing the base plate on the corresponding position of the steel rail; the welding mechanism is used for welding the base plate on the steel rail; and the control system controls the starting and stopping of the conveying mechanism so that the base plate grabbing mechanism places the base plate at the corresponding position of the steel rail.

Further, the conveying mechanism includes: a frame; the conveying rollers are horizontally arranged and are arranged on the rack at intervals; and the driving assembly is used for driving the conveying roller to rotate so as to enable the steel rail on the conveying roller to advance along the rotating direction of the steel rail.

Further, stop gear includes: the two oppositely arranged limiting wheel sets are mounted on the rack, a steel rail conveying channel is formed between the two limiting wheel sets, and the limiting wheels of the limiting wheel sets are vertically arranged; wherein, spacing wheelset contains: the limiting wheels of the fixed limiting wheel set are fixedly arranged on the rack through a mounting frame; and the limiting wheel of the movable limiting wheel set is arranged on the rack in a sliding mode through the mounting frame and is positioned on one side, opposite to the fixed limiting wheel set, of the rack.

Further, the mounting bracket of the movable limiting wheel set is fixedly arranged on the mounting plate, two linear slide rails are arranged on the bottom surface of the mounting plate, the linear slide rails are matched with linear slide rails arranged on the rack, and the linear slide rails are arranged in the linear slide rails.

Further, the clamping and fixing mechanism includes: the two clamping blocks are arranged oppositely and are respectively arranged on two sides of the steel rail conveying channel; the cylinder drives the two clamping blocks to approach/depart from the steel rail conveying channel; wherein, the end surfaces of the two clamping blocks which are close to each other are provided with rubber cushion layers.

The utility model discloses following technological effect has:

1. the utility model has the advantages that the conveying mechanism is arranged and is butted with the discharging structure of the previous process, so that the steel rail automatically enters the conveying mechanism, manual hoisting is not needed, the pulling force is saved, and the labor cost is reduced;

2. the utility model prevents the steel rail from deviating in the conveying process through the limiting mechanism, thereby influencing the subsequent welding operation and laying a foundation for improving the welding quality;

3. the utility model has the advantages that the limiting mechanism is arranged to prevent the steel rail from shifting in the advancing process, so that the positioning precision of the base plate is improved, and the welding quality of the steel rail is ensured;

4. the utility model discloses a conveying mechanism, stop gear, press from both sides tight fixed establishment, backing plate and snatch the cooperation between mechanism and the welding mechanism, can realize the purpose of automatic backing plate welding on the rail, save the labour, reduce artifical intensity of labour, guarantee welding quality.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention. In the figure:

FIG. 1 is a schematic perspective view of the tramcar turnout automatic welding device of the present invention;

FIG. 2 is a schematic perspective view of the spacing mechanism of FIG. 1;

FIG. 3 is a schematic perspective view of the clamping fixture of FIG. 1;

fig. 4 is a schematic perspective view of the tie plate grasping mechanism in fig. 1;

fig. 5 is another perspective view schematically illustrating the tie plate grasping mechanism of fig. 4;

fig. 6 is a schematic perspective view of the welding mechanism of fig. 1.

The reference numbers in the figures denote the following meanings: 100. the conveying mechanism 110, the frame 120 and the conveying roller; 200. the device comprises a limiting mechanism, 210, a limiting wheel set, 211, a limiting wheel set, 212, a movable limiting wheel set, 220, a limiting wheel, 230, a mounting frame, 240, a limiting wheel shaft and 250 limiting cylinders; 300. the clamping and fixing mechanism 310, the clamping block 320, the clamping cylinder 330 and the L-shaped mounting rack; 400. the cushion plate grabbing mechanism comprises a cushion plate grabbing mechanism 410, a sucker 420, a telescopic assembly, a 430 horizontal moving assembly, 431, an L-shaped fixed frame, 432 and a moving seat; 500. a welding mechanism 510, a welding gun 520 and a mechanical arm; 600. moving the trolley; 700. a track; 800. and (6) rotating the disc.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be embodied in many different forms and covered by the claims.

Example 1: as shown in fig. 1, a tram switch automatic welder, be used for welding the rail backing plate, this tram switch automatic welder includes conveying mechanism 100, stop gear 200, press from both sides tight fixed establishment 300, the backing plate snatchs mechanism 400, welding mechanism 500 and control system, conveying mechanism 100 sets up the discharge gate department at rail drilling equipment, rail after the drilling is delivered to conveying mechanism 100 top through its discharge gate mechanism with the rail, discharging mechanism and conveying mechanism 100 are roller conveyor, the rail that the drilling was accomplished need not the conveying mechanism 100 that hoisting device directly got into the weld zone and carries out the automatic conveying, need not artifical handling, when saving the labour, reduce the hand labor cost. The limiting mechanisms 200 are arranged along the length direction of the conveying mechanism 100 and are positioned on two sides of the conveying mechanism 100 to prevent the steel rails on the conveying mechanism from deviating and provide a foundation for positioning and welding the base plates. The clamping and fixing mechanisms 300 are arranged on two sides of the conveying mechanism 100 and used for clamping and fixing the steel rail, so that when the conveying mechanism 100 stops conveying, the steel rail still moves forwards due to inertia, and the accurate determination of the position of the base plate is further influenced. The base plate grabbing mechanism 400 is used for grabbing base plates arranged on one side of the conveying mechanism 100 and placing the base plates at corresponding positions of the steel rails; the welding mechanism 500 is used for welding the backing plate on the steel rail; and the control system controls the start and stop of the conveying mechanism 100 so that the base plate grabbing mechanism 400 can place the base plate at the corresponding position of the steel rail. The purpose of automatically welding the base plate on the steel rail can be achieved through the matching among the conveying mechanism 100, the limiting mechanism 200, the clamping and fixing mechanism 300, the base plate grabbing mechanism 400 and the welding mechanism 500.

The conveying mechanism 100 of the present embodiment includes a frame 110, conveying rollers 120, and a driving assembly for driving the conveying rollers 120 to rotate, wherein a plurality of horizontally arranged conveying rollers 120 are arranged on the frame 110 at intervals, and the driving assembly is used for driving the conveying rollers to rotate so as to make the steel rail on the conveying rollers 120 advance along the rotation direction of the steel rail and adopt a roller conveyor.

Referring to fig. 1 and 2, the limiting mechanism 200 of the present embodiment includes a limiting wheel set 210, two oppositely disposed limiting wheel sets 210 are installed on the frame 110, a steel rail conveying channel is formed between the two limiting wheel sets 210, and the limiting wheels 220 of the limiting wheel sets 210 are vertically arranged; the limiting wheel set 210 comprises a limiting wheel set 211 and a movable limiting wheel set 212, limiting wheels 220 of the limiting wheel set 211 are fixedly arranged on the rack 110 through a mounting rack 230, and a plurality of limiting wheels 220 fixedly arranged on the rack 110 through the mounting rack 230 form the limiting wheel set; move spacing round 220 of spacing wheelset 212 and slide through mounting bracket 230 and set up in frame 110 and be located the relative one side of spacing wheelset 211, a plurality of slide set up positive spacing round 220 constitute and move spacing wheelset 212, make the rail can not take place the skew at the in-process that gos forward through the cooperation of moving spacing wheelset 212 and spacing wheelset 211, improve backing plate positioning accuracy, guarantee rail welding quality, and move the rail that spacing wheelset can be used for different models through the setting, increase the practicality.

As shown in fig. 2, the mounting frame 230 is u-shaped, the opening of the mounting frame 230 faces the rail, the bottom plate thereof is mounted on the frame, the limiting wheel 220 is vertically arranged and rotatably mounted on the mounting frame 230 through the limiting wheel shaft 240, and the height of the limiting wheel 220 is greater than the thickness of the rail bottom. The bottom plate of the mounting frame 230 of the movable limiting wheel set 212 is fixedly connected with the free end of the piston rod of the limiting cylinder 250, the limiting cylinder 250 is mounted on the rack 110, the piston rod of the limiting cylinder 250 penetrates through the longitudinal beam of the rack 110 and is fixedly connected with the bottom plate of the mounting frame 230, and under the action of the clamping cylinder 250, the limiting wheel 220 of the movable limiting wheel set 212 moves towards the direction of the fixed limiting wheel set 211, so that the two sides of the steel rail are limited, and the steel rail is prevented from deviating along the direction of the conveying mechanism 100 in the moving process. The regulating wheel 220 of the movable regulating wheel group 212 and the regulating wheel 220 of the fixed regulating wheel 211 are disposed in the gap between two adjacent conveying rollers 120 to prevent interference with the conveying rollers 120.

As shown in fig. 3, in the present embodiment, the clamping and fixing mechanism 300 includes two oppositely disposed clamping blocks 310 and a clamping cylinder 320 for driving the two clamping blocks 310 to approach/depart from the rail conveying channel, the two clamping blocks 310 are respectively disposed at two sides of the rail conveying channel, the two clamping blocks 310 are respectively correspondingly mounted on the cylinder 320, the cylinder 320 is mounted on the frame 110 through an L-shaped mounting bracket 330, the clamping blocks 310 are trapezoidal blocks for adapting to the rail web of the rail, the two clamping blocks 310 clamp the rail web through the corresponding cylinders 320, and a rubber cushion layer is disposed on the end surfaces of the two clamping blocks 310 close to each other to prevent the clamping from damaging the rail web.

The backing plate grabbing mechanism 400 is arranged on one side of the rack 110, the backing plate grabbing mechanism 400 comprises a sucker 410, the sucker 410 is arranged on the rack through a lifting assembly and a horizontal moving assembly, the backing plate is grabbed through the sucker 410, and the backing plate is placed on a corresponding position on a steel rail and then welded by the welding device 500. As shown in fig. 4 and 5, the horizontal moving assembly 430 includes an L-shaped fixing frame 431, a moving base 432 disposed inside the horizontal portion of the fixing frame 431, and a moving cylinder/driving motor for driving the moving base 432 to move, wherein the driving motor is adopted to drive the moving base 432, an output shaft of the driving motor is connected with a lead screw, a sleeve fixed inside the fixing frame 431 is disposed outside the lead screw, and an internal thread adapted to the lead screw is disposed inside the sleeve. The movable base 432 is arranged on the two guide rods 433 which are arranged in parallel, the movable base 432 and the guide rods 433 form a sliding pair, two ends of the two guide rods 433 are respectively and correspondingly fixed inside the fixed frame 431, and the moving stability of the movable base 432 is improved by arranging the guide rods 433. The lifting assembly 420 adopts an air cylinder, the air cylinder is installed on the moving base 432, the free end of the piston rod of the air cylinder is fixedly connected with the suction cup 410, the suction cup 410 is a vacuum suction cup, and the vacuum suction cup 410 is driven to move along with the moving base 432 so as to adjust the position of the suction cup 410. The mount 431 of this embodiment sets up on the travelling car 600 that is located frame 110 one side, specifically do, the vertical portion bottom of mount 431 sets up on travelling car 600, travelling car 600 bottom is provided with track 700, travelling car's removal wheel 610 sets up on track 700, the motor of establishing on the travelling car 600 frame passes through the moving wheel rotation of drive mechanism drive removal wheel 610, thereby make the removal wheel rotate, travelling car 700 walks on track 700 through the drive of motor (not shown in the figure), thereby make the utility model discloses can be applicable to the switch welding of different models. Of course, the bottom end of the fixing frame 431 may be fixed on the moving trolley 600 through a bolt assembly, or may be arranged on a turntable, and the turntable may be driven by a motor arranged at the bottom of the turntable to rotate, so that the suction cup 410 of the present embodiment is located.

As shown in fig. 6, the welding mechanism 500 includes a welding gun 510 and a mechanical arm 520, one end of the mechanical arm 520 is disposed on the frame 110 or the moving trolley 600, a bottom of the mechanical arm 520 of this embodiment is disposed on the moving trolley 600, a rotating disc 800 is disposed on the moving trolley 600, a rotating shaft (not shown) is disposed at a bottom of the rotating disc 800, the rotating shaft is connected to an output shaft of a servo motor mounted on a frame of the moving trolley 600 through a coupling, and the rotating disc 800 rotates the mechanical arm 520. The control system of the embodiment comprises a controller and a sensor for detecting the moving distance of the steel rail, wherein the sensor is arranged on the rack 110 and positioned at the inlet end of the conveying mechanism 100, and the output end of the sensor is electrically connected with the input end of the controller; wherein, the output end of the controller controls and is connected with a motor switch for driving the conveying roller 120, an air inlet valve of the limit air cylinder 250 and the clamping air cylinder 320, a motor switch for driving the movable trolley 600 to move and a switch of a rotating motor for driving the rotating disc 800 to rotate. The sensor is a linear sensor, such as a displacement sensor, rail movement data measured by the linear sensor is transmitted to the controller through a cable, the controller adopts a PLC (programmable logic controller) or a 51 single chip microcomputer, the controller controls a motor for driving the conveying roller 120 to stop rotating, so that the driving roller 120 stops rotating, at the moment, the clamping cylinder acts to clamp the rail web of the steel rail, the base plate grabbing mechanism 400 grabs the base plates stacked between the rail 600 and the rack 110 and places the base plates on the steel rail, the base plates are welded by the welding mechanism 500, the gas disc 410 is loosened during welding, at the moment, the base plates are partially welded on the steel rail, displacement cannot occur, and the phenomenon that the lifting assembly 420 and the welding gun 510 interfere with each other cannot occur.

In other embodiments of the present invention, a vision system is installed on the mechanical arm 520 of the welding mechanism 500, which can lead and track the welding seam trajectory, thereby performing real-time closed-loop feedback on the welding parameters.

Example 2: the structure of the present embodiment is basically the same as that of embodiment 1, and the same points are not repeated, except that: the limiting wheel set 212 of the embodiment is driven by one air cylinder, so that the equipment cost is reduced, specifically speaking. The mounting bracket 230 that moves spacing wheelset 212 is fixed to be set up on mounting panel (not shown in the figure), be provided with two linear slide rails at the mounting panel bottom surface, linear slide rail and the linear slide looks adaptation of seting up on frame 110, this linear slide rail sets up in linear slide, both form the slip pair, the mounting panel is connected with the cylinder, the removal of moving spacing wheelset 212 is realized to the drive through the cylinder, this implementation will move spacing wheelset 212 and install on the mounting panel, make all spacing wheels 220 of spacing wheelset 212 remove simultaneously through the drive mounting panel, a cylinder can drive, when energy saving and equipment cost, also be convenient for control.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tram switch automatic welder which characterized in that includes:

a conveying mechanism;

the limiting mechanisms are arranged along the length direction of the conveying mechanism and are positioned on two sides of the conveying mechanism so as to prevent the steel rails on the conveying mechanism from deviating;

the clamping and fixing mechanisms are arranged on two sides of the conveying mechanism and used for clamping and fixing the steel rail;

the base plate grabbing mechanism is used for grabbing the base plate arranged on one side of the conveying mechanism and placing the base plate on the corresponding position of the steel rail;

the welding mechanism is used for welding the base plate on the steel rail; and

and the control system controls the starting and stopping of the conveying mechanism so that the base plate grabbing mechanism places the base plate at the corresponding position of the steel rail.

2. The tram switch automatic welding device of claim 1, wherein the conveyor mechanism comprises:

a frame;

the conveying rollers are horizontally arranged and are arranged on the rack at intervals; and

and the driving assembly is used for driving the conveying roller to rotate so as to enable the steel rail on the conveying roller to advance along the rotating direction of the steel rail.

3. The automatic tram switch welding set of claim 2, wherein said stop mechanism comprises:

the two oppositely arranged limiting wheel sets are mounted on the rack, a steel rail conveying channel is formed between the two limiting wheel sets, and the limiting wheels of the limiting wheel sets are vertically arranged;

wherein, spacing wheelset contains:

the limiting wheels of the fixed limiting wheel set are fixedly arranged on the rack through a mounting frame; and

move spacing wheelset, move spacing wheel of spacing wheelset and pass through the mounting bracket slip setting and be in the frame and be located the relative one side of spacing wheelset.

4. The tram turnout automatic welding device according to claim 3, wherein the mounting frame of the movable limiting wheel set is fixedly arranged on a mounting plate, two linear slide rails are arranged on the bottom surface of the mounting plate, the linear slide rails are matched with a linear slide rail arranged on the rack, and the linear slide rails are arranged in the linear slide rail.

5. The tram switch automatic welding device of claim 4, wherein the clamp fixture mechanism comprises:

the two clamping blocks are arranged oppositely and are respectively arranged on two sides of the steel rail conveying channel; and

the cylinder drives the two clamping blocks to approach/depart from the steel rail conveying channel;

wherein, the end surfaces of the two clamping blocks which are close to each other are provided with rubber cushion layers.