阅读说明：本技术 一种铁路钢轨扣件螺栓松紧装置 (Bolt tightening and loosening device for railway steel rail fastener ) 是由 任志刚 张学辉 郭宝德 李航 李倚剑 于 2019-08-29 设计创作，主要内容包括：本发明涉及一种铁路工程机械,尤其是涉及一种应用于铁路工程和设备维护领域的快速松紧铁路钢轨扣件螺栓的装置及其作业方法,该装置包括底座支架4,底座支架4与从动行走机构1和主动行走机构10连接；行走距离检测装置2与从动行走机构1连接,三合一减速机9与主动行走机构10通过锁紧盘连接；螺栓位置检测装置3与底座支架4连接,用于检测每组扣件螺栓的相对位置；在底座支架4上表面设置十字滑动导轨及伺服驱动装置7,十字滑动导轨及伺服驱动装置7上设置电动扳手6,底座支架4一侧设置柴油发电机5作为整个装置动力机构,另一侧设置控制箱及控制面板8,用于控制整个装置的进行自动松紧铁路钢轨扣件螺栓。本发明一种铁路钢轨扣件螺栓松紧装置无需人工辅助,可以全自动进行铁路钢轨扣件螺栓的松紧作业,能够代替现有人工配合机械扳手的工作方式,节省大量的人力,大幅提高工作效率,配合换轨车进行一体化施工。(The invention relates to a railway engineering machine, in particular to a device for quickly tightening and loosening a railway steel rail fastener bolt and an operation method thereof, which are applied to the field of railway engineering and equipment maintenance, wherein the device comprises a base support 4, and the base support 4 is connected with a driven travelling mechanism 1 and a driving travelling mechanism 10; the walking distance detection device 2 is connected with the driven walking mechanism 1, and the three-in-one speed reducer 9 is connected with the driving walking mechanism 10 through a locking disc; the bolt position detection device 3 is connected with the base bracket 4 and is used for detecting the relative position of each group of fastener bolts; set up cross sliding guide and servo drive device 7 at base support 4 upper surface, set up electric spanner 6 on cross sliding guide and the servo drive device 7, base support 4 one side sets up diesel generator 5 as whole device power unit, and the opposite side sets up control box and control panel 8 for the automatic elasticity railway rail fastener bolt that carries on of controlling whole device. The bolt tightening and loosening device for the railway steel rail fastener provided by the invention does not need manual assistance, can fully automatically perform tightening and loosening operation of the railway steel rail fastener bolt, can replace the existing working mode of manually matching a mechanical wrench, saves a large amount of manpower, greatly improves the working efficiency, and is matched with a rail replacing vehicle to perform integrated construction.)

1. A railway steel rail fastener bolt tightening and loosening device comprises a base support 4, wherein the base support 4 is connected with a driven travelling mechanism 1 and a driving travelling mechanism 10; the walking distance detection device 2 is connected with the driven walking mechanism 1, and the three-in-one speed reducer 9 is connected with the driving walking mechanism 10 through a locking disc; the bolt position detection device 3 is connected with the base bracket 4 and is used for detecting the relative position of each group of fastener bolts; set up cross sliding guide and servo drive device 7 on base support 4 upper surface, set up electric sleeve 6 on cross sliding guide and the servo drive device 7, base support 4 one side sets up diesel generator 5 as whole device power unit, and the opposite side sets up control box and control panel 8 for the automatic elasticity railway rail fastener bolt that carries on of controlling whole device.

2. A railway rail fastener bolt tensioner as claimed in claim 1, further comprising: the electric sleeve 6 is arranged on the cross sliding guide rail and the servo driving device 7, and the electric sleeve 6 can respectively move along the direction of the track 11 and the direction vertical to the track 11; the power device of the electric sleeve 6 is supplied with power by the diesel engine 5 in a unified way, the electric sleeve 6 is additionally provided with the oil cylinder driving sleeve 6.1 to move up and down, and the catch wheel devices 6.2 are arranged on two sides of the electric sleeve 6 and used for controlling the gap between the electric sleeve 6 and the track 11, so that the distance between the sleeve 6.1 and the bolt is ensured to be within the working range of the sleeve 6.1.

3. A railway rail fastener bolt tensioner as claimed in claim 1, further comprising: the walking distance detection device 2 comprises a rotary encoder 2.1 and a support 2.2, the walking distance detection device 2 is connected with a driven walking mechanism 1, the rotary encoder 2.1 is connected with a wheel axle 2.4 through a small shaft 2.3, the support 2.2 is fixedly connected with the driven walking mechanism through bolts, the rotary encoder 2.1 rotates synchronously with walking wheels, and the walking distance is calculated through the number of rotating circles.

4. A railway rail fastener bolt tensioner as claimed in claim 1, further comprising: the bolt position detection device 3 comprises a proximity switch 3.2 and a switch bracket 3.1, wherein the proximity switch 3.2 is arranged on the switch bracket 3.1, and a strip-shaped hole is formed in the switch bracket 3.1 and can be used for adjusting the proximity switch 3.2 up and down; proximity switch support 3.1 is connected with base support 4, and proximity switch 3.2 moves along track 11 along with whole device for detect every group fastener bolt position.

5. A method of operating a railway rail fastener bolt tensioner according to claim 1, the method including the steps of:

s1, when the fastener bolt is loosened and unloaded, the railway steel rail fastener bolt tightening and loosening device is conveyed to a construction site through a rail car, and then the device runs onto a rail from a rail tractor along a slide way;

s2, starting the diesel generator set, and controlling the vehicle body to move to the position of the first group of fastener bolts through the remote controller and the control panel;

s3, starting an automatic operation button through a remote controller or a control panel, enabling the vehicle to run, scanning the positions of the fastener bolts through a proximity switch of a fastener bolt position detection device, stopping the vehicle body after 8 groups of vehicle body are scanned once, and calculating the position distance of each group of fastener bolts through a rotary encoder and feeding back the fastener bolt positions to a control system so as to position the accurate positions of each group of fastener bolts;

s4, the control system transmits the accurate position information of each group of fastener bolts to the slide rail driving device and drives the slide rail to move, so that the sleeve of the electric wrench is aligned with the corresponding fastener bolt; then the electric sleeve is automatically started to loosen and disassemble the bolt of the fastener, and the work of disassembling the bolt of the fastener is completed.

Technical Field

The invention relates to railway engineering machinery, in particular to a device for quickly tightening and loosening a rail fastener bolt, which is applied to the field of railway engineering and equipment maintenance.

Background

Rails on railway lines need to be replaced due to wear after being used for a certain period of time, and rail fasteners need to be detached when the rails are replaced. The loose and tight fastener bolt is a heavy work in daily maintenance and repair of the line, and along with the continuous improvement of the running speed of the train and the continuous increase of the running density of the train, the requirement on the pressure of the line fastener is also continuously improved, the tightening is required, the torque is required to be consistent, and meanwhile, the repair time of the skylight can be provided is also shortened.

At present, the looseness and tightness of the fastener bolt are all carried out by adopting a mode of manually matching a mechanical wrench, a large amount of workers are needed, a large amount of operation time is occupied in a skylight period, the labor intensity is high, and the working efficiency is low. Meanwhile, when the residual fastener bolts of the old rail are disassembled, the workers need to perform cross operation with the rail replacing vehicle at the same time, and great potential safety hazards exist. Therefore, it is necessary to research a fastener bolt tightening and loosening device which is safe, efficient, reliable and controllable in torque.

Disclosure of Invention

The invention aims to provide a tightening device and an operation method which have high automation degree, do not need manual assistance and can quickly tighten or loosen a railway steel rail fastener bolt.

In order to achieve the purpose, the invention adopts the following technical scheme: a bolt tightening and loosening device for a railway steel rail fastener comprises a travelling mechanism, a base support, a cross slide rail, a driving servo motor, an electric sleeve, a bolt position detection device, a travelling distance detection device, a diesel generator and a control system.

In the technical scheme, the electric sleeve is arranged on the slide rail and can respectively move along the track direction and the direction vertical to the track direction; the power device of the electric sleeve is uniformly powered by a diesel engine to drive the sleeve to work up and down; the catch wheel devices are arranged on two sides of the electric sleeve and used for controlling the gap between the electric sleeve and the track, and further ensuring that the distance between the sleeve and the fastener bolt is within the working range of the sleeve.

In the technical scheme, fastener bolt position detection device contain proximity switch and switch support, proximity switch installs on the switch support, is equipped with the bar hole on the switch support, can be used to adjust proximity switch's position from top to bottom, guarantees that proximity switch corresponds with fastener bolt position, can detect the fastener bolt. The proximity switch support is connected with the base support, and the proximity switch moves along with the whole machine, and then detects fastener bolt position one by one.

In the technical scheme, the walking distance detection device comprises a rotary encoder and a support, the rotary encoder is connected with the wheel shaft through a small shaft, the support is fixed with the walking mechanism, and the rotary encoder can calculate the distance through the walking of the wheel.

As above a railway steel rail fastener bolt take-up unit which characterized in that: the driving wheel group is driven by a three-in-one speed reducer, the three-in-one speed reducer is connected with a driving wheel shaft, and is locked by a locking disc on the three-in-one speed reducer, and the other end of the driving wheel group is connected with a wheel frame through a torque arm.

As above a railway steel rail fastener bolt take-up unit which characterized in that: the running mechanism, the bolt tightening and loosening mechanism and the slide rail moving driving motor of the whole device are powered by the electric power provided by the diesel generator.

Through the technical scheme of implementing the bolt tightening and loosening device for the railway steel rail fastener provided by the invention, the technical effects are as follows:

(1) the railway rail fastener bolt tightening device can be used for positioning rail fastener bolts fully automatically, tightening the fastener bolts quickly, improving the rail replacement operation efficiency quickly, greatly reducing manpower and ensuring the operation safety;

(2) the railway rail fastener bolt tightening and loosening device adopts a self-contained power system, the power supply of the whole device is supplied by a diesel generator, and the rail fastener bolt can be automatically disassembled before the rail replacing vehicle works.

The bolt tightening and loosening device for the railway steel rail fastener is characterized by comprising the following steps:

s1, when the fastener bolt is loosened and unloaded, the railway steel rail fastener bolt tightening and loosening device is conveyed to a construction site through a rail car, and then the device runs onto a rail from a rail tractor along a slide way;

s2, starting the diesel generator set, and controlling the vehicle body to move to the position of the first group of fastener bolts through the remote controller and the control panel;

s3, starting an automatic operation button through a remote controller or a control panel, enabling the vehicle to run, scanning the positions of the fastener bolts through a proximity switch of a fastener bolt position detection device, stopping the vehicle body after 8 groups of vehicle body are scanned once, and calculating the position distance of each group of fastener bolts through a rotary encoder and feeding back the fastener bolt positions to a control system so as to position the accurate positions of each group of fastener bolts;

s4, the control system transmits the accurate position information of each group of fastener bolts to the slide rail driving device and drives the slide rail to move, so that the electric sleeve is aligned to the corresponding fastener bolt; then the electric sleeve is automatically started to loosen and disassemble the bolt of the fastener, and the work of disassembling the bolt of the fastener is completed.

Drawings

The present invention will be described in detail below with reference to the accompanying drawings and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged view of I in FIG. 2;

FIG. 4 is a schematic view of the wheel set of the main motor vehicle of the traveling mechanism and the three-in-one reducer;

FIG. 5 is a schematic view of the installation of the walking distance detecting device of the walking mechanism;

FIG. 6 is a schematic view of the installation of the walking position detecting device of the walking mechanism;

fig. 7 is a left side view of fig. 6.

Detailed Description

The embodiments of the present invention are further described below with reference to the accompanying drawings, and the technical solutions in the embodiments of the present invention are clearly and completely described below.

Referring to fig. 1 to 6, an embodiment of a bolt tightening device for a railway rail fastener according to the present invention is shown, and the present invention will be further described with reference to the drawings and the embodiment.

As shown in the attached figure 1, the railway steel rail fastener bolt tightening and loosening device comprises a base support 4, wherein the base support 4 is connected with a driven travelling mechanism 1 and a driving travelling mechanism 10; the walking distance detection device 2 is connected with the driven walking mechanism 1, and the three-in-one speed reducer 9 is connected with the driving walking mechanism 10 through a locking disc; the bolt position detection device 3 is connected with the base bracket 4 and is used for detecting the relative position of each group of fastener bolts; set up cross sliding guide and servo drive device 7 on base support 4 upper surface, set up electric sleeve 6 on cross sliding guide and the servo drive device 7, base support 4 one side sets up diesel generator 5 as whole device power unit, and the opposite side sets up control box and control panel 8 for the automatic elasticity railway rail fastener bolt that carries on of controlling whole device.

As shown in fig. 2 and 3, the electric sleeve 6 is mounted on the cross sliding guide rail and the servo driving device 7, and the electric sleeve 6 can move along the track 11 direction and perpendicular to the track 11 direction respectively; the power device of the electric sleeve 6 is uniformly supplied with power by the diesel engine 5, and the oil cylinder on the electric sleeve 6 drives the operation pressure rod so as to drive the sleeve 6.1 to move up and down; catch wheel device 6.2 is installed in 6 both sides of electronic sleeve for the clearance of control electronic sleeve 6 and track 11, and then guarantee that the distance between sleeve 6.1 and the fastener bolt is within sleeve 6.1 working range.

As shown in fig. 4, the driving traveling mechanism 10 is driven by a three-in-one speed reducer 9, the three-in-one speed reducer 9 is connected with a wheel axle of the driving traveling mechanism through a locking disc, and the other end of the three-in-one speed reducer is connected with a wheel frame through a torque arm 12.

As shown in fig. 5, the walking distance detecting device 2 includes a rotary encoder 2.1 and a bracket 2.2, the walking distance detecting device 2 is connected with the driven walking mechanism 1, the rotary encoder 2.1 is connected with the wheel axle 2.4 through a small axle 2.3, the bracket 2.2 is fixedly connected with the driven walking mechanism through a bolt, the rotary encoder 2.1 and the walking wheels rotate synchronously, and the walking distance is calculated through the number of rotating rings.

As shown in fig. 6 and 7, the bolt position detecting device 3 includes a proximity switch 3.2 and a switch bracket 3.1, the proximity switch 3.2 is mounted on the switch bracket 3.1, and the switch bracket 3.1 is provided with a strip-shaped hole for up-and-down adjustment of the proximity switch 3.2; proximity switch support 3.1 is connected with base support 4, and proximity switch 3.2 moves along track 11 along with whole device for detect every group fastener bolt position.

As shown in fig. 1, the operation method of the bolt tightening and loosening device for the railway steel rail fastener comprises the following steps:

s1, when the fastener bolt is loosened and unloaded, the railway steel rail fastener bolt tightening and loosening device is conveyed to a construction site through a rail car, and then the device runs onto a rail from a rail tractor along a slide way;

s2, starting the diesel generator set, and controlling the vehicle body to move to the position of the first group of fastener bolts through the remote controller and the control panel;

s3, starting an automatic operation button through a remote controller or a control panel, enabling the vehicle to run, scanning the positions of the fastener bolts through a proximity switch of a fastener bolt position detection device, stopping the vehicle body after 8 groups of vehicle body are scanned once, and calculating the position distance of each group of fastener bolts through a rotary encoder and feeding back the fastener bolt positions to a control system so as to position the accurate positions of each group of fastener bolts;

s4, the control system transmits the accurate position information of each group of fastener bolts to the slide rail driving device and drives the slide rail to move, so that the electric sleeve is aligned to the corresponding fastener bolt; then the electric sleeve is automatically started to loosen and disassemble the bolt of the fastener, and the work of disassembling the bolt of the fastener is completed.

Details not described in this specification are within the skill of those in the art.

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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention.